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16 Commits

Author SHA1 Message Date
Osspial
cd5caf6a22 Update for 0.19.1 (#823) 2019-04-08 01:08:31 -04:00
Hal Gentz
8522071c2c Add ability to get wayland display from events loop. (#829)
Signed-off-by: Hal Gentz <zegentzy@protonmail.com>
2019-04-08 01:07:47 -04:00
Osspial
dfa972eab1 Fix window icon (#831)
* Fix window icon

* Add CHANGELOG entry
2019-04-08 01:07:12 -04:00
mitchmindtree
69585fe2f2 [Rebased] [x11-backend] Retrieve DPI from Xft.dpi XResource (#824)
* [x11-backend] Retrieve DPI from Xft.dpi XResource

* Update CHANGELOG.md

* Update window.rs

* Update CHANGELOG.md
2019-04-07 12:48:21 -04:00
Christian Duerr
c0b2cad3f9 Add additional numpad key mappings (#805)
* Add additional numpad key mappings

Since some platforms have already used the existing `Add`, `Subtract`
and `Divide` codes to map numpad keys, the X11 and Wayland platform has
been updated to achieve parity between platforms. On macOS only the
`Subtract` numpad key had to be added.

Since the numpad key is different from the normal keys, an alternative
option would be to add new `NumpadAdd`, `NumpadSubtract` and
`NumpadDivide` actions, however I think in this case it should be fine
to map them to the same virtual key code.

* Add Numpad PageUp/Down, Home and End on Wayland
2019-04-07 01:25:37 -04:00
TakWolf
57680d2d17 fix command key event left and right reverse on macOS (#810)
* fix command key event left and right reverse on macOS

https://github.com/tomaka/winit/issues/808

* update changelog
2019-03-25 14:05:07 -04:00
Tobias Kortkamp
0019ff210c Fix build on FreeBSD (#815)
* Fix build on FreeBSD

error[E0432]: unresolved import `libc::__errno_location`
  --> src/platform/linux/x11/mod.rs:22:85
   |
22 | use libc::{select, fd_set, FD_SET, FD_ZERO, FD_ISSET, EINTR, EINVAL, ENOMEM, EBADF, __errno_location};
   |                                                                                     ^^^^^^^^^^^^^^^^ no `__errno_location` in the root

__errno_location is called __error on FreeBSD and __errno on Open- and NetBSD.

Signed-off-by: Tobias Kortkamp <t@tobik.me>

* Import __error / __errno on *BSD as __errno_location

Signed-off-by: Tobias Kortkamp <t@tobik.me>

* Add changelog entry

Signed-off-by: Tobias Kortkamp <t@tobik.me>
2019-03-22 10:44:00 -04:00
Hal Gentz
4a103387e5 Add contact info. (#818)
Signed-off-by: Hal Gentz <zegentzy@protonmail.com>
2019-03-19 22:20:03 -04:00
Osspial
b6ca584ecf On Windows, fix CursorMoved(0, 0) getting sent on focus (#819)
* On Windows, fix CursorMoved(0, 0) getting sent on focus

* Add changelog entry
2019-03-19 22:19:41 -04:00
Osspial
e0340d52b0 Update winit to 0.19.0 (#798)
* Update winit to 0.19.0

* Update date for 0.19
2019-03-06 21:50:13 -05:00
Hal Gentz
f928a4b917 Use XRRGetScreenResourcesCurrent when avail. (#801)
* Use `XRRGetScreenResourcesCurrent` when avail.

Signed-off-by: Hal Gentz <zegentzy@protonmail.com>

* Changelog

Signed-off-by: Hal Gentz <zegentzy@protonmail.com>
2019-03-05 20:58:14 -05:00
Osspial
c5d22fda2b Ignore the AltGr key when populating ModifersState (#763)
* When building ModifiersState, ignore AltGr on Windows

* Add CHANGELOG entry

* Also filter out Control when pressing AltGr
2019-03-05 17:55:01 -05:00
Riku Salminen
9ea2810b46 x11: thread safe replacement for XNextEvent (#782)
XNextEvent will block for input while holding the global Xlib mutex.

This will cause a deadlock in even the most trivial multi-threaded
application because OpenGL functions will need to hold the Xlib mutex
too.

Add EventsLoop::poll_one_event and EventsLoop::wait_for_input to provide
thread-safe functions to poll and wait events from the X11 event queue
using unix select(2) and XCheckIfEvent.

This is a somewhat ugly workaround to an ugly problem.

Fixes #779
2019-02-24 18:02:55 -05:00
Michael Palmos
9a23ec3c37 Fix incorrect keycodes when using a non-US keyboard layout. (#755)
* Fix incorrect keycodes when using a non-US keyboard layout.

This commit fixes the issue described in #752, and uses the advised
method to fix it.

* Style fixes

Co-Authored-By: Toqozz <toqoz@hotmail.com>

* Refactoring of macOS `virtualkeycode` fix (#752)

* Applies requested changes as per pull request discussion (#755).
2019-02-23 15:41:55 -05:00
Torkel Danielsson
84c812e568 Handle horizontal wheel input (Windows) (#792)
* add handler for horizontal wheel input

* add changlelog message re now handling horiz scroll on windows
2019-02-22 09:31:16 -05:00
trimental
f0ce5b0c8d On wayland, fix with_title() not setting the windows title (#770) 2019-02-22 09:30:59 -05:00
317 changed files with 22481 additions and 61724 deletions

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@@ -1,6 +0,0 @@
# Allow rust-analyzer and local `cargo doc` invocations to pick up unreleased changelog entries
#
# Note that these flags are (intentionally) not included when building from the downloaded crate.
[build]
rustflags = ["--cfg=unreleased_changelogs"]
rustdocflags = ["--cfg=unreleased_changelogs"]

56
.circleci/config.yml Normal file
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@@ -0,0 +1,56 @@
version: 2
jobs:
android-test:
working_directory: ~/winit
docker:
- image: tomaka/cargo-apk
steps:
- run: apt-get -qq update && apt-get install -y git
- checkout
- restore_cache:
key: android-test-cache-{{ checksum "Cargo.toml" }}
- run: cargo apk build --example window
- save_cache:
key: android-test-cache-{{ checksum "Cargo.toml" }}
paths:
- target
asmjs-test:
working_directory: ~/winit
docker:
- image: tomaka/rustc-emscripten
steps:
- run: apt-get -qq update && apt-get install -y git
- checkout
- restore_cache:
key: asmjs-test-cache-{{ checksum "Cargo.toml" }}
- run: cargo build --example window --target asmjs-unknown-emscripten
- save_cache:
key: asmjs-test-cache-{{ checksum "Cargo.toml" }}
paths:
- target
wasm-test:
working_directory: ~/winit
docker:
- image: tomaka/rustc-emscripten
steps:
- run: apt-get -qq update && apt-get install -y git
- checkout
- restore_cache:
key: wasm-test-cache-{{ checksum "Cargo.toml" }}
- run: cargo build --example window --target wasm32-unknown-emscripten
- save_cache:
key: wasm-test-cache-{{ checksum "Cargo.toml" }}
paths:
- target
workflows:
version: 2
build-test-and-deploy:
jobs:
- android-test
- asmjs-test
- wasm-test

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@@ -1,4 +0,0 @@
# $ git config blame.ignoreRevsFile .git-blame-ignore-revs
# chore(rustfmt): use nightly
7b0c7b6cb2c62767ca0c73c857b299883f55a883

34
.github/CODEOWNERS vendored
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@@ -1,34 +0,0 @@
# Android
/src/platform/android.rs @MarijnS95
/src/platform_impl/android @MarijnS95
# iOS
/src/platform/ios.rs @madsmtm
/src/platform_impl/ios @madsmtm
# Unix
/src/platform_impl/linux/mod.rs @kchibisov
# Wayland
/src/platform/wayland.rs @kchibisov
/src/platform_impl/linux/wayland @kchibisov
# X11
/src/platform/x11.rs @kchibisov @notgull
/src/platform_impl/linux/x11 @kchibisov @notgull
# macOS
/src/platform/macos.rs @madsmtm
/src/platform_impl/macos @madsmtm
# Web
/src/platform/web.rs @daxpedda
/src/platform_impl/web @daxpedda
# Windows
/src/platform/windows.rs @notgull
/src/platform_impl/windows @notgull
# Orbital (Redox OS)
/src/platform/orbital.rs @jackpot51
/src/platform_impl/orbital @jackpot51

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@@ -1,4 +0,0 @@
---
name: Blank Issue
about: Create a blank issue.
---

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@@ -1,36 +0,0 @@
name: Android bug
description: Create an Android-specific bug report
labels:
- B - bug
- DS - android
body:
- type: markdown
attributes:
value: |
Thanks for taking the time to fill out this bug report!
- type: textarea
id: description
attributes:
label: Description
description: Description of the problem you're having
validations:
required: true
- type: textarea
id: device
attributes:
label: Device and Android version
description: Which devices and Android versions are you seeing the problem on?
placeholder: |
Samsung Galaxy Z running Android Pie (API level 28),
Samsung Galaxy Z running Android 14 (API level 34),
Pixel 8 running Android 14 (API level 34)
validations:
required: true
- type: textarea
id: winit-version
attributes:
label: Winit version
description: What version of Winit are you using?
placeholder: 0.29.11
validations:
required: true

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@@ -1,37 +0,0 @@
name: iOS bug
description: Create an iOS-specific bug report
labels:
- B - bug
- DS - ios
body:
- type: markdown
attributes:
value: |
Thanks for taking the time to fill out this bug report!
- type: textarea
id: description
attributes:
label: Description
description: Description of the problem you're having
validations:
required: true
- type: textarea
id: device
attributes:
label: Device and iOS version
description: Which devices and iOS versions are you seeing the problem on?
placeholder: |
iPhone 15 running iOS 14.0,
iPhone 15 running iOS 17.0,
MacBook Pro M2 Mac Catalyst running macOS 14.2,
iPhone simulator running iOS 17.0
validations:
required: true
- type: textarea
id: winit-version
attributes:
label: Winit version
description: What version of Winit are you using?
placeholder: 0.29.11
validations:
required: true

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@@ -1,37 +0,0 @@
name: MacOS bug
description: Create a macOS-specific bug report
labels:
- B - bug
- DS - macos
body:
- type: markdown
attributes:
value: |
Thanks for taking the time to fill out this bug report!
- type: textarea
id: description
attributes:
label: Description
description: Description of the problem you're having
validations:
required: true
- type: textarea
id: os-version
attributes:
label: macOS version
description: What version of macOS are you using? Please paste in the output of `sw_vers`.
placeholder: |
ProductName: macOS
ProductVersion: 14.2.1
BuildVersion: 23C71
render: shell
validations:
required: true
- type: textarea
id: winit-version
attributes:
label: Winit version
description: What version of Winit are you using?
placeholder: 0.29.11
validations:
required: true

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@@ -1,41 +0,0 @@
name: Wayland bug
description: Create a Wayland-specific bug report
labels:
- B - bug
- DS - wayland
body:
- type: markdown
attributes:
value: |
Thanks for taking the time to fill out this bug report!
- type: textarea
id: description
attributes:
label: Description
description: Description of the problem you're having
validations:
required: true
- type: textarea
id: debug
attributes:
label: Debugging output
description: Output of a binary run with `WAYLAND_DEBUG=1`
placeholder: |
[1234.5678] -> wl_display@1.get_registry(new id wl_registry@2)
[1234.5678] -> wl_display@1.sync(new id wl_callback@3)
...
render: shell
- type: checkboxes
attributes:
label: Window isn't shown unless you draw
options:
- label: I understand that windows aren't shown on Wayland unless I draw and present to them.
required: true
- type: textarea
id: winit-version
attributes:
label: Winit version
description: What version of Winit are you using?
placeholder: 0.29.11
validations:
required: true

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@@ -1,51 +0,0 @@
name: Web bug
description: Create a web-specific bug report
labels:
- B - bug
- DS - web
body:
- type: markdown
attributes:
value: |
Thanks for taking the time to fill out this bug report!
- type: textarea
id: description
attributes:
label: Description
description: Description of the problem you're having
validations:
required: true
- type: dropdown
id: browsers
attributes:
label: Tested browsers
description: What browsers are you seeing the problem on?
options:
- Firefox
- Chrome
- Microsoft Edge
- Safari 13
- Safari 14
- Safari 15
- Safari 16
- Safari 17
- Safari (newer than listed)
multiple: true
validations:
required: true
- type: textarea
id: device
attributes:
label: Tested devices
description: Which device(s) are you using?
placeholder: 'iPhone 15, Lenovo ThinkPad X1, MacBook Pro M2, Samsung Galaxy Z, ...'
validations:
required: true
- type: textarea
id: winit-version
attributes:
label: Winit version
description: What version of Winit are you using?
placeholder: 0.29.11
validations:
required: true

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@@ -1,35 +0,0 @@
name: Windows bug
description: Create a Windows-specific bug report
labels:
- B - bug
- DS - windows
body:
- type: markdown
attributes:
value: |
Thanks for taking the time to fill out this bug report!
- type: textarea
id: description
attributes:
label: Description
description: Description of the problem you're having
validations:
required: true
- type: textarea
id: os-version
attributes:
label: Windows version
description: What version of Windows are you using? Please paste in the output of the `ver` command.
placeholder: |
Microsoft Windows [Version 10.0.19042.2251]
render: shell
validations:
required: true
- type: textarea
id: winit-version
attributes:
label: Winit version
description: What version of Winit are you using?
placeholder: 0.29.11
validations:
required: true

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@@ -1,32 +0,0 @@
name: X11 bug
description: Create a X11-specific bug report
labels:
- B - bug
- DS - x11
body:
- type: markdown
attributes:
value: |
Thanks for taking the time to fill out this bug report!
- type: textarea
id: description
attributes:
label: Description
description: Description of the problem you're having
validations:
required: true
- type: textarea
id: os-info
attributes:
label: OS and window mananger
description: Which operating system and window manager are you using?
validations:
required: true
- type: textarea
id: winit-version
attributes:
label: Winit version
description: What version of Winit are you using?
placeholder: 0.29.11
validations:
required: true

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@@ -1,5 +0,0 @@
blank_issues_enabled: true
contact_links:
- name: Question
url: https://matrix.to/#/#rust-windowing:matrix.org
about: Please ask questions on the Matrix channel.

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@@ -1,26 +0,0 @@
name: Feature request
description: Propose a new feature
labels:
- S - enhancement
body:
- type: textarea
id: description
attributes:
label: Description
description: Description of the problem does this solve or what need does it fill? Please be mindful of the [scope](https://github.com/rust-windowing/winit/blob/master/FEATURES.md) of Winit.
validations:
required: true
- type: dropdown
id: platforms
attributes:
label: Relevant platforms
description: On which platforms is this feature relevant?
options:
- Windows
- macOS
- Wayland
- X11
- Web
- iOS
- Android
multiple: true

View File

@@ -1,5 +1,4 @@
- [ ] Tested on all platforms changed
- [ ] Added an entry to the `changelog` module if knowledge of this change could be valuable to users
- [ ] Added an entry to `CHANGELOG.md` if knowledge of this change could be valuable to users
- [ ] Updated documentation to reflect any user-facing changes, including notes of platform-specific behavior
- [ ] Created or updated an example program if it would help users understand this functionality
- [ ] Updated [feature matrix](https://github.com/rust-windowing/winit/blob/master/FEATURES.md), if new features were added or implemented
- [ ] Created an example program if it would help users understand this functionality

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@@ -1,243 +0,0 @@
name: CI
on:
pull_request:
push:
branches: [master]
jobs:
fmt:
name: Check formatting
runs-on: ubuntu-latest
steps:
- uses: taiki-e/checkout-action@v1
- uses: dtolnay/rust-toolchain@nightly
with:
components: rustfmt
- name: Check Formatting
run: cargo fmt -- --check
typos:
name: Check for typos
runs-on: ubuntu-latest
timeout-minutes: 30
steps:
- uses: taiki-e/checkout-action@v1
- uses: taiki-e/install-action@v2
with:
tool: typos-cli
- name: run typos
run: typos
- name: Typos info
if: failure()
run: |
echo 'To fix typos, please run `typos -w`'
echo 'To check for a diff, run `typos`'
echo 'You can find typos here: https://crates.io/crates/typos'
tests:
name: Test ${{ matrix.toolchain }} ${{ matrix.platform.name }}
runs-on: ${{ matrix.platform.os }}
strategy:
fail-fast: false
matrix:
toolchain: [stable, nightly, '1.70.0']
platform:
# Note: Make sure that we test all the `docs.rs` targets defined in Cargo.toml!
- { name: 'Windows 64bit MSVC', target: x86_64-pc-windows-msvc, os: windows-latest, }
- { name: 'Windows 32bit MSVC', target: i686-pc-windows-msvc, os: windows-latest, }
- { name: 'Windows 64bit GNU', target: x86_64-pc-windows-gnu, os: windows-latest, host: -x86_64-pc-windows-gnu }
- { name: 'Windows 32bit GNU', target: i686-pc-windows-gnu, os: windows-latest, host: -i686-pc-windows-gnu }
- { name: 'Linux 32bit', target: i686-unknown-linux-gnu, os: ubuntu-latest, }
- { name: 'Linux 64bit', target: x86_64-unknown-linux-gnu, os: ubuntu-latest, }
- { name: 'X11', target: x86_64-unknown-linux-gnu, os: ubuntu-latest, options: '--no-default-features --features=x11' }
- { name: 'Wayland', target: x86_64-unknown-linux-gnu, os: ubuntu-latest, options: '--no-default-features --features=wayland,wayland-dlopen' }
- { name: 'Android', target: aarch64-linux-android, os: ubuntu-latest, options: '--package=winit --features=android-native-activity', cmd: 'apk --' }
- { name: 'Redox OS', target: x86_64-unknown-redox, os: ubuntu-latest, }
- { name: 'macOS', target: x86_64-apple-darwin, os: macos-latest, }
- { name: 'iOS x86_64', target: x86_64-apple-ios, os: macos-latest, }
- { name: 'iOS Aarch64', target: aarch64-apple-ios, os: macos-latest, }
- { name: 'web', target: wasm32-unknown-unknown, os: ubuntu-latest, }
exclude:
# Android is tested on stable-3
- toolchain: '1.70.0'
platform: { name: 'Android', target: aarch64-linux-android, os: ubuntu-latest, options: '--package=winit --features=android-native-activity', cmd: 'apk --' }
include:
- toolchain: '1.70.0'
platform: { name: 'Android', target: aarch64-linux-android, os: ubuntu-latest, options: '--package=winit --features=android-native-activity', cmd: 'apk --' }
- toolchain: 'nightly'
platform: {
name: 'web Atomic',
target: wasm32-unknown-unknown,
os: ubuntu-latest,
options: '-Zbuild-std=panic_abort,std',
rustflags: '-Ctarget-feature=+atomics,+bulk-memory',
components: rust-src,
}
env:
# Set more verbose terminal output
CARGO_TERM_VERBOSE: true
RUST_BACKTRACE: 1
# Faster compilation and error on warnings
RUSTFLAGS: '--codegen=debuginfo=0 --deny=warnings ${{ matrix.platform.rustflags }}'
OPTIONS: --target=${{ matrix.platform.target }} ${{ matrix.platform.options }}
CMD: ${{ matrix.platform.cmd }}
steps:
- uses: taiki-e/checkout-action@v1
- name: Restore cache of cargo folder
# We use `restore` and later `save`, so that we can create the key after
# the cache has been downloaded.
#
# This could be avoided if we added Cargo.lock to the repository.
uses: actions/cache/restore@v3
with:
# https://doc.rust-lang.org/cargo/guide/cargo-home.html#caching-the-cargo-home-in-ci
path: |
~/.cargo/registry/index/
~/.cargo/registry/cache/
~/.cargo/git/db/
key: cargo-${{ matrix.toolchain }}-${{ matrix.platform.name }}-never-intended-to-be-found
restore-keys: cargo-${{ matrix.toolchain }}-${{ matrix.platform.name }}
- name: Generate lockfile
# Also updates the crates.io index
run: cargo generate-lockfile && cargo update -p ahash --precise 0.8.7 && cargo update -p bumpalo --precise 3.14.0
- name: Install GCC Multilib
if: (matrix.platform.os == 'ubuntu-latest') && contains(matrix.platform.target, 'i686')
run: sudo apt-get update && sudo apt-get install gcc-multilib
- name: Cache cargo-apk
if: contains(matrix.platform.target, 'android')
id: cargo-apk-cache
uses: actions/cache@v3
with:
path: ~/.cargo/bin/cargo-apk
# Change this key if we update the required cargo-apk version
key: cargo-apk-v0-9-7
- uses: dtolnay/rust-toolchain@master
if: contains(matrix.platform.target, 'android') && (steps.cargo-apk-cache.outputs.cache-hit != 'true')
with:
toolchain: stable
- name: Install cargo-apk
if: contains(matrix.platform.target, 'android') && (steps.cargo-apk-cache.outputs.cache-hit != 'true')
run: cargo install cargo-apk --version=^0.9.7 --locked
- uses: dtolnay/rust-toolchain@master
with:
toolchain: ${{ matrix.toolchain }}${{ matrix.platform.host }}
targets: ${{ matrix.platform.target }}
components: clippy, ${{ matrix.platform.components }}
- name: Check documentation
run: cargo doc --no-deps $OPTIONS --document-private-items
env:
RUSTDOCFLAGS: '--deny=warnings ${{ matrix.platform.rustflags }}'
- name: Build crate
run: cargo $CMD build $OPTIONS
# Test only on Linux x86_64, so we avoid spending unnecessary CI hours.
- name: Test dpi crate
if: >
contains(matrix.platform.name, 'Linux 64bit') &&
matrix.toolchain != '1.70.0'
run: cargo test -p dpi
- name: Build tests
if: >
!contains(matrix.platform.target, 'redox') &&
matrix.toolchain != '1.70.0'
run: cargo $CMD test --no-run $OPTIONS
- name: Run tests
if: >
!contains(matrix.platform.target, 'android') &&
!contains(matrix.platform.target, 'ios') &&
!contains(matrix.platform.target, 'wasm32') &&
!contains(matrix.platform.target, 'redox') &&
matrix.toolchain != '1.70.0'
run: cargo $CMD test $OPTIONS
- name: Lint with clippy
if: (matrix.toolchain == 'stable') && !contains(matrix.platform.options, '--no-default-features')
run: cargo clippy --all-targets $OPTIONS -- -Dwarnings
- name: Build tests with serde enabled
if: >
!contains(matrix.platform.target, 'redox') &&
matrix.toolchain != '1.70.0'
run: cargo $CMD test --no-run $OPTIONS --features serde
- name: Run tests with serde enabled
if: >
!contains(matrix.platform.target, 'android') &&
!contains(matrix.platform.target, 'ios') &&
!contains(matrix.platform.target, 'wasm32') &&
!contains(matrix.platform.target, 'redox') &&
matrix.toolchain != '1.70.0'
run: cargo $CMD test $OPTIONS --features serde
- name: Check docs.rs documentation
if: matrix.toolchain == 'nightly'
run: cargo doc --no-deps $OPTIONS --features=rwh_04,rwh_05,rwh_06,serde,mint,android-native-activity
env:
RUSTDOCFLAGS: '--deny=warnings ${{ matrix.platform.rustflags }} --cfg=docsrs --cfg=unreleased_changelogs'
# See restore step above
- name: Save cache of cargo folder
uses: actions/cache/save@v3
with:
path: |
~/.cargo/registry/index/
~/.cargo/registry/cache/
~/.cargo/git/db/
key: cargo-${{ matrix.toolchain }}-${{ matrix.platform.name }}-${{ hashFiles('Cargo.lock') }}
cargo-deny:
name: Run cargo-deny on ${{ matrix.platform.name }}
runs-on: ubuntu-latest
# TODO: remove this matrix when https://github.com/EmbarkStudios/cargo-deny/issues/324 is resolved
strategy:
fail-fast: false
matrix:
platform:
- { name: 'Android', target: aarch64-linux-android }
- { name: 'iOS', target: aarch64-apple-ios }
- { name: 'Linux', target: x86_64-unknown-linux-gnu }
- { name: 'macOS', target: x86_64-apple-darwin }
- { name: 'Redox OS', target: x86_64-unknown-redox }
- { name: 'web', target: wasm32-unknown-unknown }
- { name: 'Windows', target: x86_64-pc-windows-gnu }
steps:
- uses: taiki-e/checkout-action@v1
- uses: EmbarkStudios/cargo-deny-action@v1
with:
command: check
log-level: error
arguments: --all-features --target ${{ matrix.platform.target }}
swc:
name: Minimize JavaScript
runs-on: ubuntu-latest
steps:
- uses: taiki-e/checkout-action@v1
- name: Install SWC
run: sudo npm i -g @swc/cli
- name: Run SWC
run: |
swc src/platform_impl/web/web_sys/worker.js -o src/platform_impl/web/web_sys/worker.min.js
- name: Check for diff
run: |
[[ -z $(git status -s) ]]

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@@ -1,50 +0,0 @@
name: Docs
on:
push:
branches: [master]
jobs:
docs:
name: Documentation
environment:
name: github-pages
url: ${{ steps.deployment.outputs.page_url }}winit
runs-on: ubuntu-latest
permissions:
contents: read
pages: write
id-token: write
steps:
- uses: actions/checkout@v4
- uses: dtolnay/rust-toolchain@master
with:
toolchain: nightly
- name: Run Rustdoc
env:
RUSTDOCFLAGS: --crate-version master --cfg=docsrs --cfg=unreleased_changelogs
run: |
cargo doc --no-deps -Z rustdoc-map -Z rustdoc-scrape-examples --features=rwh_04,rwh_05,rwh_06,serde,mint,android-native-activity
- name: Setup Pages
uses: actions/configure-pages@v4
- name: Fix permissions
run: |
chmod -c -R +rX "target/doc" | while read line; do
echo "::warning title=Invalid file permissions automatically fixed::$line"
done
- name: Upload artifact
uses: actions/upload-pages-artifact@v3
with:
path: target/doc
- name: Deploy to GitHub Pages
id: deployment
uses: actions/deploy-pages@v4

1
.gitignore vendored
View File

@@ -4,4 +4,3 @@ rls/
.vscode/
*~
#*#
.DS_Store

3
.gitmodules vendored Normal file
View File

@@ -0,0 +1,3 @@
[submodule "deps/apk-builder"]
path = deps/apk-builder
url = https://github.com/tomaka/android-rs-glue

12
.swcrc
View File

@@ -1,12 +0,0 @@
{
"minify": true,
"jsc": {
"target": "es2022",
"minify": {
"compress": {
"unused": true
},
"mangle": true
}
}
}

64
.travis.yml Normal file
View File

@@ -0,0 +1,64 @@
language: rust
cache: cargo
matrix:
include:
# Linux 32bit
- env: TARGET=i686-unknown-linux-gnu
os: linux
rust: nightly
addons:
apt:
# Cross compiler and cross compiled C libraries
packages: &i686_packages
- gcc-multilib
- env: TARGET=i686-unknown-linux-gnu
os: linux
rust: stable
addons:
apt:
packages: *i686_packages
# Linux 64bit
- env: TARGET=x86_64-unknown-linux-gnu
os: linux
rust: nightly
- env: TARGET=x86_64-unknown-linux-gnu
os: linux
rust: stable
# macOS
- env: TARGET=x86_64-apple-darwin
os: osx
rust: nightly
- env: TARGET=x86_64-apple-darwin
os: osx
rust: stable
# iOS
- env: TARGET=x86_64-apple-ios
os: osx
rust: nightly
- env: TARGET=x86_64-apple-ios
os: osx
rust: stable
install:
- rustup self update
- rustup target add $TARGET; true
script:
- cargo build --target $TARGET --verbose
- cargo build --target $TARGET --features serde --verbose
- cargo build --target $TARGET --features icon_loading --verbose
# Running iOS apps on OSX requires the simulator so we skip that for now
- if [ "$TARGET" != "x86_64-apple-ios" ]; then cargo test --target $TARGET --verbose; fi
- if [ "$TARGET" != "x86_64-apple-ios" ]; then cargo test --target $TARGET --features serde --verbose; fi
- if [ "$TARGET" != "x86_64-apple-ios" ]; then cargo test --target $TARGET --features icon_loading --verbose; fi
after_success:
- |
[ $TRAVIS_BRANCH = master ] &&
[ $TRAVIS_PULL_REQUEST = false ] &&
cargo publish --token ${CRATESIO_TOKEN}

View File

@@ -1,8 +1,333 @@
Changelog entries should be put in the [`changelog::unreleased`].
# Unreleased
The changelog can also be viewed [on docs.rs][docs_rs] or [on the current
master docs][master_docs].
# Version 0.19.1 (2019-04-08)
[`changelog::unreleased`]: src/changelog/unreleased.md
[docs_rs]: https://docs.rs/winit/latest/winit/changelog/index.html
[master_docs]: https://rust-windowing.github.io/winit/winit/changelog/index.html
- On Wayland, added a `get_wayland_display` function to `EventsLoopExt`.
- On Windows, fix `CursorMoved(0, 0)` getting dispatched on window focus.
- On macOS, fix command key event left and right reverse.
- On FreeBSD, NetBSD, and OpenBSD, fix build of X11 backend.
- On Windows, fix icon not showing up in corner of window.
- On X11, change DPI scaling factor behavior. First, winit tries to read it from "Xft.dpi" XResource, and uses DPI calculation from xrandr dimensions as fallback behavior.
# Version 0.19.0 (2019-03-06)
- On X11, we will use the faster `XRRGetScreenResourcesCurrent` function instead of `XRRGetScreenResources` when available.
- On macOS, fix keycodes being incorrect when using a non-US keyboard layout.
- On Wayland, fix `with_title()` not setting the windows title
- On Wayland, add `set_wayland_theme()` to control client decoration color theme
- Added serde serialization to `os::unix::XWindowType`.
- **Breaking:** `image` crate upgraded to 0.21. This is exposed as part of the `icon_loading` API.
- On X11, make event loop thread safe by replacing XNextEvent with select(2) and XCheckIfEvent
- On Windows, fix malformed function pointer typecast that could invoke undefined behavior.
- Refactored Windows state/flag-setting code.
- On Windows, hiding the cursor no longer hides the cursor for all Winit windows - just the one `hide_cursor` was called on.
- On Windows, cursor grabs used to get perpetually canceled when the grabbing window lost focus. Now, cursor grabs automatically get re-initialized when the window regains focus and the mouse moves over the client area.
- On Windows, only vertical mouse wheel events were handled. Now, horizontal mouse wheel events are also handled.
- On Windows, ignore the AltGr key when populating the `ModifersState` type.
- On Linux, the numpad's add, subtract and divide keys are now mapped to the `Add`, `Subtract` and `Divide` virtual key codes
- On macOS, the numpad's subtract key has been added to the `Subtract` mapping
- On Wayland, the numpad's home, end, page up and page down keys are now mapped to the `Home`, `End`, `PageUp` and `PageDown` virtual key codes
# Version 0.18.1 (2018-12-30)
- On macOS, fix `Yen` (JIS) so applications receive the event.
- On X11 with a tiling WM, fixed high CPU usage when moving windows across monitors.
- On X11, fixed panic caused by dropping the window before running the event loop.
- on macOS, added `WindowExt::set_simple_fullscreen` which does not require a separate space
- Introduce `WindowBuilderExt::with_app_id` to allow setting the application ID on Wayland.
- On Windows, catch panics in event loop child thread and forward them to the parent thread. This prevents an invocation of undefined behavior due to unwinding into foreign code.
- On Windows, fix issue where resizing or moving window combined with grabbing the cursor would freeze program.
- On Windows, fix issue where resizing or moving window would eat `Awakened` events.
- On Windows, exiting fullscreen after entering fullscreen with disabled decorations no longer shrinks window.
- On X11, fixed a segfault when using virtual monitors with XRandR.
- Derive `Ord` and `PartialOrd` for `VirtualKeyCode` enum.
- On Windows, fix issue where hovering or dropping a non file item would create a panic.
- On Wayland, fix resizing and DPI calculation when a `wl_output` is removed without sending a `leave` event to the `wl_surface`, such as disconnecting a monitor from a laptop.
- On Wayland, DPI calculation is handled by smithay-client-toolkit.
- On X11, `WindowBuilder::with_min_dimensions` and `WindowBuilder::with_max_dimensions` now correctly account for DPI.
- Added support for generating dummy `DeviceId`s and `WindowId`s to better support unit testing.
- On macOS, fixed unsoundness in drag-and-drop that could result in drops being rejected.
- On macOS, implemented `WindowEvent::Refresh`.
- On macOS, all `MouseCursor` variants are now implemented and the cursor will no longer reset after unfocusing.
- Removed minimum supported Rust version guarantee.
# Version 0.18.0 (2018-11-07)
- **Breaking:** `image` crate upgraded to 0.20. This is exposed as part of the `icon_loading` API.
- On Wayland, pointer events will now provide the current modifiers state.
- On Wayland, titles will now be displayed in the window header decoration.
- On Wayland, key repetition is now ended when keyboard loses focus.
- On Wayland, windows will now use more stylish and modern client side decorations.
- On Wayland, windows will use server-side decorations when available.
- **Breaking:** Added support for F16-F24 keys (variants were added to the `VirtualKeyCode` enum).
- Fixed graphical glitches when resizing on Wayland.
- On Windows, fix freezes when performing certain actions after a window resize has been triggered. Reintroduces some visual artifacts when resizing.
- Updated window manager hints under X11 to v1.5 of [Extended Window Manager Hints](https://specifications.freedesktop.org/wm-spec/wm-spec-1.5.html#idm140200472629520).
- Added `WindowBuilderExt::with_gtk_theme_variant` to X11-specific `WindowBuilder` functions.
- Fixed UTF8 handling bug in X11 `set_title` function.
- On Windows, `Window::set_cursor` now applies immediately instead of requiring specific events to occur first.
- On Windows, the `HoveredFile` and `HoveredFileCancelled` events are now implemented.
- On Windows, fix `Window::set_maximized`.
- On Windows 10, fix transparency (#260).
- On macOS, fix modifiers during key repeat.
- Implemented the `Debug` trait for `Window`, `EventsLoop`, `EventsLoopProxy` and `WindowBuilder`.
- On X11, now a `Resized` event will always be generated after a DPI change to ensure the window's logical size is consistent with the new DPI.
- Added further clarifications to the DPI docs.
- On Linux, if neither X11 nor Wayland manage to initialize, the corresponding panic now consists of a single line only.
- Add optional `serde` feature with implementations of `Serialize`/`Deserialize` for DPI types and various event types.
- Add `PartialEq`, `Eq`, and `Hash` implementations on public types that could have them but were missing them.
- On X11, drag-and-drop receiving an unsupported drop type can no longer cause the WM to freeze.
- Fix issue whereby the OpenGL context would not appear at startup on macOS Mojave (#1069).
- **Breaking:** Removed `From<NSApplicationActivationPolicy>` impl from `ActivationPolicy` on macOS.
- On macOS, the application can request the user's attention with `WindowExt::request_user_attention`.
# Version 0.17.2 (2018-08-19)
- On macOS, fix `<C-Tab>` so applications receive the event.
- On macOS, fix `<Cmd-{key}>` so applications receive the event.
- On Wayland, key press events will now be repeated.
# Version 0.17.1 (2018-08-05)
- On X11, prevent a compilation failure in release mode for versions of Rust greater than or equal to 1.30.
- Fixed deadlock that broke fullscreen mode on Windows.
# Version 0.17.0 (2018-08-02)
- Cocoa and core-graphics updates.
- Fixed thread-safety issues in several `Window` functions on Windows.
- On MacOS, the key state for modifiers key events is now properly set.
- On iOS, the view is now set correctly. This makes it possible to render things (instead of being stuck on a black screen), and touch events work again.
- Added NetBSD support.
- **Breaking:** On iOS, `UIView` is now the default root view. `WindowBuilderExt::with_root_view_class` can be used to set the root view objective-c class to `GLKView` (OpenGLES) or `MTKView` (Metal/MoltenVK).
- On iOS, the `UIApplication` is not started until `Window::new` is called.
- Fixed thread unsafety with cursor hiding on macOS.
- On iOS, fixed the size of the `JmpBuf` type used for `setjmp`/`longjmp` calls. Previously this was a buffer overflow on most architectures.
- On Windows, use cached window DPI instead of repeatedly querying the system. This fixes sporadic crashes on Windows 7.
# Version 0.16.2 (2018-07-07)
- On Windows, non-resizable windows now have the maximization button disabled. This is consistent with behavior on macOS and popular X11 WMs.
- Corrected incorrect `unreachable!` usage when guessing the DPI factor with no detected monitors.
# Version 0.16.1 (2018-07-02)
- Added logging through `log`. Logging will become more extensive over time.
- On X11 and Windows, the window's DPI factor is guessed before creating the window. This *greatly* cuts back on unsightly auto-resizing that would occur immediately after window creation.
- Fixed X11 backend compilation for environments where `c_char` is unsigned.
# Version 0.16.0 (2018-06-25)
- Windows additionally has `WindowBuilderExt::with_no_redirection_bitmap`.
- **Breaking:** Removed `VirtualKeyCode::LMenu` and `VirtualKeyCode::RMenu`; Windows now generates `VirtualKeyCode::LAlt` and `VirtualKeyCode::RAlt` instead.
- On X11, exiting fullscreen no longer leaves the window in the monitor's top left corner.
- **Breaking:** `Window::hidpi_factor` has been renamed to `Window::get_hidpi_factor` for better consistency. `WindowEvent::HiDPIFactorChanged` has been renamed to `WindowEvent::HiDpiFactorChanged`. DPI factors are always represented as `f64` instead of `f32` now.
- The Windows backend is now DPI aware. `WindowEvent::HiDpiFactorChanged` is implemented, and `MonitorId::get_hidpi_factor` and `Window::hidpi_factor` return accurate values.
- Implemented `WindowEvent::HiDpiFactorChanged` on X11.
- On macOS, `Window::set_cursor_position` is now relative to the client area.
- On macOS, setting the maximum and minimum dimensions now applies to the client area dimensions rather than to the window dimensions.
- On iOS, `MonitorId::get_dimensions` has been implemented and both `MonitorId::get_hidpi_factor` and `Window::get_hidpi_factor` return accurate values.
- On Emscripten, `MonitorId::get_hidpi_factor` now returns the same value as `Window::get_hidpi_factor` (it previously would always return 1.0).
- **Breaking:** The entire API for sizes, positions, etc. has changed. In the majority of cases, winit produces and consumes positions and sizes as `LogicalPosition` and `LogicalSize`, respectively. The notable exception is `MonitorId` methods, which deal in `PhysicalPosition` and `PhysicalSize`. See the documentation for specifics and explanations of the types. Additionally, winit automatically conserves logical size when the DPI factor changes.
- **Breaking:** All deprecated methods have been removed. For `Window::platform_display` and `Window::platform_window`, switch to the appropriate platform-specific `WindowExt` methods. For `Window::get_inner_size_points` and `Window::get_inner_size_pixels`, use the `LogicalSize` returned by `Window::get_inner_size` and convert as needed.
- HiDPI support for Wayland.
- `EventsLoop::get_available_monitors` and `EventsLoop::get_primary_monitor` now have identical counterparts on `Window`, so this information can be acquired without an `EventsLoop` borrow.
- `AvailableMonitorsIter` now implements `Debug`.
- Fixed quirk on macOS where certain keys would generate characters at twice the normal rate when held down.
- On X11, all event loops now share the same `XConnection`.
- **Breaking:** `Window::set_cursor_state` and `CursorState` enum removed in favor of the more composable `Window::grab_cursor` and `Window::hide_cursor`. As a result, grabbing the cursor no longer automatically hides it; you must call both methods to retain the old behavior on Windows and macOS. `Cursor::NoneCursor` has been removed, as it's no longer useful.
- **Breaking:** `Window::set_cursor_position` now returns `Result<(), String>`, thus allowing for `Box<Error>` conversion via `?`.
# Version 0.15.1 (2018-06-13)
- On X11, the `Moved` event is no longer sent when the window is resized without changing position.
- `MouseCursor` and `CursorState` now implement `Default`.
- `WindowBuilder::with_resizable` implemented for Windows, X11, Wayland, and macOS.
- `Window::set_resizable` implemented for Windows, X11, Wayland, and macOS.
- On X11, if the monitor's width or height in millimeters is reported as 0, the DPI is now 1.0 instead of +inf.
- On X11, the environment variable `WINIT_HIDPI_FACTOR` has been added for overriding DPI factor.
- On X11, enabling transparency no longer causes the window contents to flicker when resizing.
- On X11, `with_override_redirect` now actually enables override redirect.
- macOS now generates `VirtualKeyCode::LAlt` and `VirtualKeyCode::RAlt` instead of `None` for both.
- On macOS, `VirtualKeyCode::RWin` and `VirtualKeyCode::LWin` are no longer switched.
- On macOS, windows without decorations can once again be resized.
- Fixed race conditions when creating an `EventsLoop` on X11, most commonly manifesting as "[xcb] Unknown sequence number while processing queue".
- On macOS, `CursorMoved` and `MouseInput` events are only generated if they occurs within the window's client area.
- On macOS, resizing the window no longer generates a spurious `MouseInput` event.
# Version 0.15.0 (2018-05-22)
- `Icon::to_cardinals` is no longer public, since it was never supposed to be.
- Wayland: improve diagnostics if initialization fails
- Fix some system event key doesn't work when focused, do not block keyevent forward to system on macOS
- On X11, the scroll wheel position is now correctly reset on i3 and other WMs that have the same quirk.
- On X11, `Window::get_current_monitor` now reliably returns the correct monitor.
- On X11, `Window::hidpi_factor` returns values from XRandR rather than the inaccurate values previously queried from the core protocol.
- On X11, the primary monitor is detected correctly even when using versions of XRandR less than 1.5.
- `MonitorId` now implements `Debug`.
- Fixed bug on macOS where using `with_decorations(false)` would cause `set_decorations(true)` to produce a transparent titlebar with no title.
- Implemented `MonitorId::get_position` on macOS.
- On macOS, `Window::get_current_monitor` now returns accurate values.
- Added `WindowBuilderExt::with_resize_increments` to macOS.
- **Breaking:** On X11, `WindowBuilderExt::with_resize_increments` and `WindowBuilderExt::with_base_size` now take `u32` values rather than `i32`.
- macOS keyboard handling has been overhauled, allowing for the use of dead keys, IME, etc. Right modifier keys are also no longer reported as being left.
- Added the `Window::set_ime_spot(x: i32, y: i32)` method, which is implemented on X11 and macOS.
- **Breaking**: `os::unix::WindowExt::send_xim_spot(x: i16, y: i16)` no longer exists. Switch to the new `Window::set_ime_spot(x: i32, y: i32)`, which has equivalent functionality.
- Fixed detection of `Pause` and `Scroll` keys on Windows.
- On Windows, alt-tabbing while the cursor is grabbed no longer makes it impossible to re-grab the cursor.
- On Windows, using `CursorState::Hide` when the cursor is grabbed now ungrabs the cursor first.
- Implemented `MouseCursor::NoneCursor` on Windows.
- Added `WindowBuilder::with_always_on_top` and `Window::set_always_on_top`. Implemented on Windows, macOS, and X11.
- On X11, `WindowBuilderExt` now has `with_class`, `with_override_redirect`, and `with_x11_window_type` to allow for more control over window creation. `WindowExt` additionally has `set_urgent`.
- More hints are set by default on X11, including `_NET_WM_PID` and `WM_CLIENT_MACHINE`. Note that prior to this, the `WM_CLASS` hint was automatically set to whatever value was passed to `with_title`. It's now set to the executable name to better conform to expectations and the specification; if this is undesirable, you must explicitly use `WindowBuilderExt::with_class`.
# Version 0.14.0 (2018-05-09)
- Created the `Copy`, `Paste` and `Cut` `VirtualKeyCode`s and added support for them on X11 and Wayland
- Fix `.with_decorations(false)` in macOS
- On Mac, `NSWindow` and supporting objects might be alive long after they were `closed` which resulted in apps consuming more heap then needed. Mainly it was affecting multi window applications. Not expecting any user visible change of behaviour after the fix.
- Fix regression of Window platform extensions for macOS where `NSFullSizeContentViewWindowMask` was not being correctly applied to `.fullsize_content_view`.
- Corrected `get_position` on Windows to be relative to the screen rather than to the taskbar.
- Corrected `Moved` event on Windows to use position values equivalent to those returned by `get_position`. It previously supplied client area positions instead of window positions, and would additionally interpret negative values as being very large (around `u16::MAX`).
- Implemented `Moved` event on macOS.
- On X11, the `Moved` event correctly use window positions rather than client area positions. Additionally, a stray `Moved` that unconditionally accompanied `Resized` with the client area position relative to the parent has been eliminated; `Moved` is still received alongside `Resized`, but now only once and always correctly.
- On Windows, implemented all variants of `DeviceEvent` other than `Text`. Mouse `DeviceEvent`s are now received even if the window isn't in the foreground.
- `DeviceId` on Windows is no longer a unit struct, and now contains a `u32`. For `WindowEvent`s, this will always be 0, but on `DeviceEvent`s it will be the handle to that device. `DeviceIdExt::get_persistent_identifier` can be used to acquire a unique identifier for that device that persists across replugs/reboots/etc.
- Corrected `run_forever` on X11 to stop discarding `Awakened` events.
- Various safety and correctness improvements to the X11 backend internals.
- Fixed memory leak on X11 every time the mouse entered the window.
- On X11, drag and drop now works reliably in release mode.
- Added `WindowBuilderExt::with_resize_increments` and `WindowBuilderExt::with_base_size` to X11, allowing for more optional hints to be set.
- Rework of the wayland backend, migrating it to use [Smithay's Client Toolkit](https://github.com/Smithay/client-toolkit).
- Added `WindowBuilder::with_window_icon` and `Window::set_window_icon`, finally making it possible to set the window icon on Windows and X11. The `icon_loading` feature can be enabled to allow for icons to be easily loaded; see example program `window_icon.rs` for usage.
- Windows additionally has `WindowBuilderExt::with_taskbar_icon` and `WindowExt::set_taskbar_icon`.
- On Windows, fix panic when trying to call `set_fullscreen(None)` on a window that has not been fullscreened prior.
# Version 0.13.1 (2018-04-26)
- Ensure necessary `x11-dl` version is used.
# Version 0.13.0 (2018-04-25)
- Implement `WindowBuilder::with_maximized`, `Window::set_fullscreen`, `Window::set_maximized` and `Window::set_decorations` for MacOS.
- Implement `WindowBuilder::with_maximized`, `Window::set_fullscreen`, `Window::set_maximized` and `Window::set_decorations` for Windows.
- On Windows, `WindowBuilder::with_fullscreen` no longer changing monitor display resolution.
- Overhauled X11 window geometry calculations. `get_position` and `set_position` are more universally accurate across different window managers, and `get_outer_size` actually works now.
- Fixed SIGSEGV/SIGILL crashes on macOS caused by stabilization of the `!` (never) type.
- Implement `WindowEvent::HiDPIFactorChanged` for macOS
- On X11, input methods now work completely out of the box, no longer requiring application developers to manually call `setlocale`. Additionally, when input methods are started, stopped, or restarted on the server end, it's correctly handled.
- Implemented `Refresh` event on Windows.
- Properly calculate the minimum and maximum window size on Windows, including window decorations.
- Map more `MouseCursor` variants to cursor icons on Windows.
- Corrected `get_position` on macOS to return outer frame position, not content area position.
- Corrected `set_position` on macOS to set outer frame position, not content area position.
- Added `get_inner_position` method to `Window`, which gets the position of the window's client area. This is implemented on all applicable platforms (all desktop platforms other than Wayland, where this isn't possible).
- **Breaking:** the `Closed` event has been replaced by `CloseRequested` and `Destroyed`. To migrate, you typically just need to replace all usages of `Closed` with `CloseRequested`; see example programs for more info. The exception is iOS, where `Closed` must be replaced by `Destroyed`.
# Version 0.12.0 (2018-04-06)
- Added subclass to macos windows so they can be made resizable even with no decorations.
- Dead keys now work properly on X11, no longer resulting in a panic.
- On X11, input method creation first tries to use the value from the user's `XMODIFIERS` environment variable, so application developers should no longer need to manually call `XSetLocaleModifiers`. If that fails, fallbacks are tried, which should prevent input method initialization from ever outright failing.
- Fixed thread safety issues with input methods on X11.
- Add support for `Touch` for win32 backend.
- Fixed `Window::get_inner_size` and friends to return the size in pixels instead of points when using HIDPI displays on OSX.
# Version 0.11.3 (2018-03-28)
- Added `set_min_dimensions` and `set_max_dimensions` methods to `Window`, and implemented on Windows, X11, Wayland, and OSX.
- On X11, dropping a `Window` actually closes it now, and clicking the window's × button (or otherwise having the WM signal to close it) will result in the window closing.
- Added `WindowBuilderExt` methods for macos: `with_titlebar_transparent`,
`with_title_hidden`, `with_titlebar_buttons_hidden`,
`with_fullsize_content_view`.
- Mapped X11 numpad keycodes (arrows, Home, End, PageUp, PageDown, Insert and Delete) to corresponding virtual keycodes
# Version 0.11.2 (2018-03-06)
- Impl `Hash`, `PartialEq`, and `Eq` for `events::ModifiersState`.
- Implement `MonitorId::get_hidpi_factor` for MacOS.
- Added method `os::macos::MonitorIdExt::get_nsscreen() -> *mut c_void` that gets a `NSScreen` object matching the monitor ID.
- Send `Awakened` event on Android when event loop is woken up.
# Version 0.11.1 (2018-02-19)
- Fixed windows not receiving mouse events when click-dragging the mouse outside the client area of a window, on Windows platforms.
- Added method `os::android::EventsLoopExt:set_suspend_callback(Option<Box<Fn(bool) -> ()>>)` that allows glutin to register a callback when a suspend event happens
# Version 0.11.0 (2018-02-09)
- Implement `MonitorId::get_dimensions` for Android.
- Added method `os::macos::WindowBuilderExt::with_movable_by_window_background(bool)` that allows to move a window without a titlebar - `with_decorations(false)`
- Implement `Window::set_fullscreen`, `Window::set_maximized` and `Window::set_decorations` for Wayland.
- Added `Caret` as VirtualKeyCode and support OSX ^-Key with german input.
# Version 0.10.1 (2018-02-05)
*Yanked*
# Version 0.10.0 (2017-12-27)
- Add support for `Touch` for emscripten backend.
- Added support for `DroppedFile`, `HoveredFile`, and `HoveredFileCancelled` to X11 backend.
- **Breaking:** `unix::WindowExt` no longer returns pointers for things that aren't actually pointers; `get_xlib_window` now returns `Option<std::os::raw::c_ulong>` and `get_xlib_screen_id` returns `Option<std::os::raw::c_int>`. Additionally, methods that previously returned `libc::c_void` have been changed to return `std::os::raw::c_void`, which are not interchangeable types, so users wanting the former will need to explicitly cast.
- Added `set_decorations` method to `Window` to allow decorations to be toggled after the window is built. Presently only implemented on X11.
- Raised the minimum supported version of Rust to 1.20 on MacOS due to usage of associated constants in new versions of cocoa and core-graphics.
- Added `modifiers` field to `MouseInput`, `MouseWheel`, and `CursorMoved` events to track the modifiers state (`ModifiersState`).
- Fixed the emscripten backend to return the size of the canvas instead of the size of the window.
# Version 0.9.0 (2017-12-01)
- Added event `WindowEvent::HiDPIFactorChanged`.
- Added method `MonitorId::get_hidpi_factor`.
- Deprecated `get_inner_size_pixels` and `get_inner_size_points` methods of `Window` in favor of
`get_inner_size`.
- **Breaking:** `EventsLoop` is `!Send` and `!Sync` because of platform-dependant constraints,
but `Window`, `WindowId`, `DeviceId` and `MonitorId` guaranteed to be `Send`.
- `MonitorId::get_position` now returns `(i32, i32)` instead of `(u32, u32)`.
- Rewrite of the wayland backend to use wayland-client-0.11
- Support for dead keys on wayland for keyboard utf8 input
- Monitor enumeration on Windows is now implemented using `EnumDisplayMonitors` instead of
`EnumDisplayDevices`. This changes the value returned by `MonitorId::get_name()`.
- On Windows added `MonitorIdExt::hmonitor` method
- Impl `Clone` for `EventsLoopProxy`
- `EventsLoop::get_primary_monitor()` on X11 will fallback to any available monitor if no primary is found
- Support for touch event on wayland
- `WindowEvent`s `MouseMoved`, `MouseEntered`, and `MouseLeft` have been renamed to
`CursorMoved`, `CursorEntered`, and `CursorLeft`.
- New `DeviceEvent`s added, `MouseMotion` and `MouseWheel`.
- Send `CursorMoved` event after `CursorEntered` and `Focused` events.
- Add support for `ModifiersState`, `MouseMove`, `MouseInput`, `MouseMotion` for emscripten backend.
# Version 0.8.3 (2017-10-11)
- Fixed issue of calls to `set_inner_size` blocking on Windows.
- Mapped `ISO_Left_Tab` to `VirtualKeyCode::Tab` to make the key work with modifiers
- Fixed the X11 backed on 32bit targets
# Version 0.8.2 (2017-09-28)
- Uniformize keyboard scancode values accross Wayland and X11 (#297).
- Internal rework of the wayland event loop
- Added method `os::linux::WindowExt::is_ready`
# Version 0.8.1 (2017-09-22)
- Added various methods to `os::linux::EventsLoopExt`, plus some hidden items necessary to make
glutin work.
# Version 0.8.0 (2017-09-21)
- Added `Window::set_maximized`, `WindowAttributes::maximized` and `WindowBuilder::with_maximized`.
- Added `Window::set_fullscreen`.
- Changed `with_fullscreen` to take a `Option<MonitorId>` instead of a `MonitorId`.
- Removed `MonitorId::get_native_identifer()` in favor of platform-specific traits in the `os`
module.
- Changed `get_available_monitors()` and `get_primary_monitor()` to be methods of `EventsLoop`
instead of stand-alone methods.
- Changed `EventsLoop` to be tied to a specific X11 or Wayland connection.
- Added a `os::linux::EventsLoopExt` trait that makes it possible to configure the connection.
- Fixed the emscripten code, which now compiles.
- Changed the X11 fullscreen code to use `xrandr` instead of `xxf86vm`.
- Fixed the Wayland backend to produce `Refresh` event after window creation.
- Changed the `Suspended` event to be outside of `WindowEvent`.
- Fixed the X11 backend sometimes reporting the wrong virtual key (#273).

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@@ -1,6 +0,0 @@
# Code of Conduct
The `rust-windowing` project adheres to the [Rust Code of Conduct]. This
describes the minimum behavior expected from all contributors.
[Rust Code of Conduct]: https://www.rust-lang.org/policies/code-of-conduct

View File

@@ -1,145 +1,70 @@
# Contribution Guidelines
# Winit Contributing Guidelines
This document contains guidelines for contributing code to winit. It has to be
followed in order for your patch to be approved and applied.
## Scope
## Contributing
Winit aims to provide a generic platform abstracting the main graphic platforms (Windows, macOS, X11,
Wayland, Android, iOS and the web platform via Emscripten).
Anyone can contribute to winit, however given that it's a cross platform
windowing toolkit getting certain changes incorporated could be challenging.
Most platforms expose capabilities that cannot be meaningfully transposed to the others. Winit does not
aim to support every single functionality of every platform, but rather to abstract the set of
capabilities that is common to all platforms. In this context, APIs exposed in winit can be split into
different "support levels":
To save your time it's wise to check already opened [pull requests][prs] and
[issues][issues]. In general, bug fixes and missing implementations are always
accepted, however larger new API proposals should go into the issue first. When
in doubt contact us on [Matrix][matrix] or via opening an issue.
- Tier 1: features which are in the main scope of winit. They are part of the common API of winit, and
are taken care of by the maintainers. Any part of these features that is not working correctly is
considered a bug in winit.
- Tier 2: some platform-specific features can be sufficiently fundamental to the platform that winit can
integrate support for them in the platform-specific part of the API. These features are not considered
directly handled by the maintainers of winit. If you have a strong incentive to have such a feature
integrated in winit, consider implementing it and proposing yourself to maintain it in the future.
- Tier 3: these features are not directly exposed by winit, but rather can be implemented using the
raw handles to the underlying platform that winit exposes. If your feature of interest is rather
niche, this is probably where it belongs.
### Submitting your work and handling review
The exact list of supported Tier 1 features is tracked in this issue:
[#252](https://github.com/tomaka/winit/issues/252).
All patches have to be sent on Github as [pull requests][prs]. To simplify your
life during review it's recommended to check the "give contributors write access
to the branch" checkbox.
## Reporting an issue
#### Handling review
When reporting an issue, in order to help the maintainers understand what the problem is, please make
your description of the issue as detailed as possible:
During the review process certain events could require an action from your side,
common patterns and reactions are described below.
- if it is a bug, please provide clear explanation of what happens, what should happen, and how to
reproduce the issue, ideally by providing a minimal program exhibiting the problem
- if it is a feature request, please provide a clear argumentation about why you believe this feature
should be supported by winit
_Event:_ The CI fails to build, but it looks like it is not your fault. Not
communicating so could result in maintainers not looking into your patch,
since they may assume that you're still working on it.\
_Desired behaviour:_ Write a message saying roughly the following "The CI
failure is unrelated", so that the maintainers will fix it for you.
## Making a pull request
_Event:_ Maintainer requested changes to your PR.\
_Desired behavior:_ Once you address the request, you should re-request a review
with GitHub's UI. If you don't agree with what maintainer suggested, you
should state your objections and re-request the review. That will indicate that
the ball is on maintainer's side.
When making a code contribution to winit, before opening your pull request, please make sure that:
_Event:_ You've opened a PR, but maintainer shortly after commented that they
want to work on that themselves.\
_Desired behavior:_ Discuss with the maintainer regarding their plans if they
were not outlined in the initial response, because such response means that they
are not interested in reviewing your code. Such thing could happen when
underestimating complexity of the task you're solving or when your patch
mandate certain downstream designs. In general, the maintainer will likely
close your PR in order to prevent work being done on it.
- you tested your modifications on all the platforms impacted, or if not possible detail which platforms
were not tested, and what should be tested, so that a maintainer or another contributor can test them
- you updated any relevant documentation in winit
- you left comments in your code explaining any part that is not straightforward, so that the
maintainers and future contributors don't have to try to guess what your code is supposed to do
- your PR adds an entry to the changelog file if the introduced change is relevant to winit users
[prs]: https://github.com/rust-windowing/winit/pulls
[issues]: https://github.com/rust-windowing/winit/issues
[matrix]: https://matrix.to/#/#rust-windowing:matrix.org
Once your PR is open, you can ask for review by a maintainer of your platform. Winit's merging policy
is that a PR must be approved by at least two maintainers of winit before being merged, including
at least a maintainer of the platform (a maintainer making a PR themselves counts as approving it).
## Maintainers
## Maintainers & Testers
Winit has plenty of maintainers with different backgrounds, different time
available to work on Winit, and reasons to be winit maintainer in the first
place. To ensure that Winit's code quality does not decrease over time and to
make it easier to teach new maintainers the "winit way of doing things" the
common policies and routines are defined in this section.
Winit is managed by several people, each with their specialities, and each maintaining a subset of the
backends of winit. As such, depending on your platform of interest, your contacts will be different.
The current maintainers for each platform are listed in [this file][CODEOWNERS].
This table summarizes who can be contacted in which case, with the following legend:
### Contributions handling
- `M`: is a main maintainer for this platform
- `R`: can review code for this platform
- `T`: has the ability of testing the platform
- ` `: knows nothing of this platform
The maintainers must ensure that the external contributions meet Winit's
quality standards. If it's not, it **is the maintainer's responsibility** to
bring it on par, which includes:
- Ensure that formatting is consistent and `CHANGELOG` messages are clear
for the end users.
- Improve the commit message, so it'll be easier for other maintainers to
understand the motivation without going through all the discussions on the
particular patch/PR.
- Ensure that the proposed patch doesn't break platform parity. If the
breakage is desired by contributor, an issue should be opened to discuss
with other maintainers before merging.
- Always fix CI issues before merging if they don't originate from the
submitted work.
However, maintainers should give some leeway for external contributors, so they
don't feel discouraged contributing, for example:
- Suggest a patch to resolve style issues, if it's the only issue with the
submitted work. Keep in mind that pushing the resolution yourself is not
desired, because the contributor might not agree with what you did.
- Be more explicit on how things should be done if you don't like the
approach.
- Suggest to finish the PR for them if they're absent for a while and you need
the proposed changes to move forward with something. In such cases the
maintainer must preserve attribution with `Co-authored-by`, `Suggested-by`,
or keep the original committer.
- Rebase their work for them when massive changes to the Winit codebase were
introduced.
When reviewing code of other maintainers all of the above is on the maintainer
who submitted the patch. Interested maintainers could help push the work over
the finish line, but teaching other maintainers should be preferred.
For a _regular_ contributor to winit, the maintainer should slowly start
requiring contributor to match *maintainer* quality standards when writing
patches and commit messages.
### Contributing
When submitting a patch, the maintainer should follow the general contributing
guidelines, however greater attention to detail is expected in this case.
To make life simpler for other maintainers it's suggested to create your branch
under the project repository instead of your own fork. The naming scheme is
`github_user_name/branch_name`. Doing so will make your work easier to rebase
for other maintainers when you're absent.
### Administrative Actions
Some things (such as changing required CI steps, adding contributors, ...)
require administrative permissions. If you don't have those, ask about the
change in an issue. If you have the permissions, discuss it with at least one
other admin before making the change.
### Release process
Given that winit is a widely used library, we should be able to make a patch
releases at any time we want without blocking the development of new features.
To achieve these goals, a new branch is created for every new release. Releases
and later patch releases are committed and tagged in this branch.
The exact steps for an exemplary `0.2.0` release might look like this:
1. Initially, the version on the latest master is `0.1.0`
2. A new `v0.2.x` branch is created for the release
3. Update released `cfg_attr` in `src/changelog/mod.rs` to `v0.2.md`
4. Move entries from `src/changelog/unreleased.md` into
`src/changelog/v0.2.md`
5. In the branch, the version is bumped to `v0.2.0`
6. The new commit in the branch is tagged `v0.2.0`
7. The version is pushed to crates.io
8. A GitHub release is created for the `v0.2.0` tag
9. On master, the version is bumped to `0.2.0`, and the changelog is updated
When doing a patch release, the process is similar:
1. Initially, the version of the latest release is `0.2.0`
2. Checkout the `v0.2.x` branch
3. Cherry-pick the required non-breaking changes into the `v0.2.x`
4. Follow steps 4-9 of the regular release example
[CODEOWNERS]: .github/CODEOWNERS
| Platform | Windows | macOS | X11 | Wayland | Android | iOS | Emscripten |
| :--- | :---: | :---: | :---: | :---: | :---: | :---: | :---: |
| @francesca64 | R | M | M | | M | R | |
| @mitchmindtree | T | | T | T | | | |
| @Osspial | M | | T | T | T | | T |
| @vberger | | | T | M | | | |
| @mtak- | | T | | | T | M | |

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@@ -1,360 +1,70 @@
[package]
name = "winit"
version = "0.30.5"
authors = [
"The winit contributors",
"Pierre Krieger <pierre.krieger1708@gmail.com>",
]
version = "0.19.1"
authors = ["The winit contributors", "Pierre Krieger <pierre.krieger1708@gmail.com>"]
description = "Cross-platform window creation library."
keywords = ["windowing"]
license = "Apache-2.0"
readme = "README.md"
repository = "https://github.com/tomaka/winit"
documentation = "https://docs.rs/winit"
categories = ["gui"]
rust-version.workspace = true
repository.workspace = true
license.workspace = true
edition.workspace = true
exclude = ["/.cargo"]
[package.metadata.docs.rs]
features = [
"rwh_04",
"rwh_05",
"rwh_06",
"serde",
"mint",
# Enabled to get docs to compile
"android-native-activity",
]
# These are all tested in CI
targets = [
# Windows
"i686-pc-windows-msvc",
"x86_64-pc-windows-msvc",
# macOS
"x86_64-apple-darwin",
# Unix (X11 & Wayland)
"i686-unknown-linux-gnu",
"x86_64-unknown-linux-gnu",
# iOS
"x86_64-apple-ios",
# Android
"aarch64-linux-android",
# Web
"wasm32-unknown-unknown",
]
rustdoc-args = ["--cfg", "docsrs"]
features = ["icon_loading", "serde"]
# Features are documented in either `lib.rs` or under `winit::platform`.
[features]
default = ["rwh_06", "x11", "wayland", "wayland-dlopen", "wayland-csd-adwaita"]
x11 = ["x11-dl", "bytemuck", "percent-encoding", "xkbcommon-dl/x11", "x11rb"]
wayland = [
"wayland-client",
"wayland-backend",
"wayland-protocols",
"wayland-protocols-plasma",
"sctk",
"ahash",
"memmap2",
]
wayland-dlopen = ["wayland-backend/dlopen"]
wayland-csd-adwaita = ["sctk-adwaita", "sctk-adwaita/ab_glyph"]
wayland-csd-adwaita-crossfont = ["sctk-adwaita", "sctk-adwaita/crossfont"]
wayland-csd-adwaita-notitle = ["sctk-adwaita"]
android-native-activity = ["android-activity/native-activity"]
android-game-activity = ["android-activity/game-activity"]
serde = ["dep:serde", "cursor-icon/serde", "smol_str/serde", "dpi/serde"]
mint = ["dpi/mint"]
rwh_04 = ["dep:rwh_04", "ndk/rwh_04"]
rwh_05 = ["dep:rwh_05", "ndk/rwh_05"]
rwh_06 = ["dep:rwh_06", "ndk/rwh_06"]
[build-dependencies]
cfg_aliases = "0.2.1"
icon_loading = ["image"]
[dependencies]
bitflags = "2"
cursor-icon = "1.1.0"
dpi = { version = "0.1.1", path = "dpi" }
rwh_04 = { package = "raw-window-handle", version = "0.4", optional = true }
rwh_05 = { package = "raw-window-handle", version = "0.5.2", features = [
"std",
], optional = true }
rwh_06 = { package = "raw-window-handle", version = "0.6", features = [
"std",
], optional = true }
serde = { workspace = true, optional = true }
smol_str = "0.2.0"
tracing = { version = "0.1.40", default-features = false }
lazy_static = "1"
libc = "0.2"
log = "0.4"
image = { version = "0.21", optional = true }
serde = { version = "1", optional = true, features = ["serde_derive"] }
[dev-dependencies]
image = { version = "0.25.0", default-features = false, features = ["png"] }
tracing = { version = "0.1.40", default-features = false, features = ["log"] }
tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
winit = { path = ".", features = ["rwh_05"] }
[target.'cfg(target_os = "android")'.dependencies.android_glue]
version = "0.2"
[target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dev-dependencies]
softbuffer = { version = "0.4.0", default-features = false, features = [
"x11",
"x11-dlopen",
"wayland",
"wayland-dlopen",
] }
[target.'cfg(target_os = "android")'.dependencies]
android-activity = "0.6.0"
ndk = { version = "0.9.0", default-features = false }
[target.'cfg(any(target_os = "ios", target_os = "macos"))'.dependencies]
core-foundation = "0.9.3"
objc2 = "0.5.2"
[target.'cfg(target_os = "ios")'.dependencies]
objc = "0.2.3"
[target.'cfg(target_os = "macos")'.dependencies]
core-graphics = "0.23.1"
block2 = "0.5.1"
[target.'cfg(target_os = "macos")'.dependencies.objc2-foundation]
version = "0.2.2"
features = [
"block2",
"dispatch",
"NSArray",
"NSAttributedString",
"NSData",
"NSDictionary",
"NSDistributedNotificationCenter",
"NSEnumerator",
"NSKeyValueObserving",
"NSNotification",
"NSObjCRuntime",
"NSPathUtilities",
"NSProcessInfo",
"NSRunLoop",
"NSString",
"NSThread",
"NSValue",
]
[target.'cfg(target_os = "macos")'.dependencies.objc2-app-kit]
version = "0.2.2"
features = [
"NSAppearance",
"NSApplication",
"NSBitmapImageRep",
"NSButton",
"NSColor",
"NSControl",
"NSCursor",
"NSDragging",
"NSEvent",
"NSGraphics",
"NSGraphicsContext",
"NSImage",
"NSImageRep",
"NSMenu",
"NSMenuItem",
"NSOpenGLView",
"NSPasteboard",
"NSResponder",
"NSRunningApplication",
"NSScreen",
"NSTextInputClient",
"NSTextInputContext",
"NSView",
"NSWindow",
"NSWindowScripting",
"NSWindowTabGroup",
]
[target.'cfg(target_os = "ios")'.dependencies.objc2-foundation]
version = "0.2.2"
features = [
"dispatch",
"NSArray",
"NSEnumerator",
"NSGeometry",
"NSObjCRuntime",
"NSString",
"NSProcessInfo",
"NSThread",
"NSSet",
]
[target.'cfg(target_os = "ios")'.dependencies.objc2-ui-kit]
version = "0.2.2"
features = [
"UIApplication",
"UIDevice",
"UIEvent",
"UIGeometry",
"UIGestureRecognizer",
"UIOrientation",
"UIPanGestureRecognizer",
"UIPinchGestureRecognizer",
"UIResponder",
"UIRotationGestureRecognizer",
"UIScreen",
"UIScreenMode",
"UITapGestureRecognizer",
"UITouch",
"UITraitCollection",
"UIView",
"UIViewController",
"UIWindow",
]
objc = "0.2.3"
cocoa = "0.18.4"
core-foundation = "0.6"
core-graphics = "0.17.3"
[target.'cfg(target_os = "windows")'.dependencies]
unicode-segmentation = "1.7.1"
backtrace = "0.3"
bitflags = "1"
[target.'cfg(target_os = "windows")'.dependencies.windows-sys]
version = "0.52.0"
[target.'cfg(target_os = "windows")'.dependencies.winapi]
version = "0.3.6"
features = [
"Win32_Devices_HumanInterfaceDevice",
"Win32_Foundation",
"Win32_Globalization",
"Win32_Graphics_Dwm",
"Win32_Graphics_Gdi",
"Win32_Media",
"Win32_System_Com_StructuredStorage",
"Win32_System_Com",
"Win32_System_LibraryLoader",
"Win32_System_Ole",
"Win32_System_SystemInformation",
"Win32_System_SystemServices",
"Win32_System_Threading",
"Win32_System_WindowsProgramming",
"Win32_UI_Accessibility",
"Win32_UI_Controls",
"Win32_UI_HiDpi",
"Win32_UI_Input_Ime",
"Win32_UI_Input_KeyboardAndMouse",
"Win32_UI_Input_Pointer",
"Win32_UI_Input_Touch",
"Win32_UI_Shell",
"Win32_UI_TextServices",
"Win32_UI_WindowsAndMessaging",
"combaseapi",
"dwmapi",
"errhandlingapi",
"hidusage",
"libloaderapi",
"objbase",
"ole2",
"processthreadsapi",
"shellapi",
"shellscalingapi",
"shobjidl_core",
"unknwnbase",
"winbase",
"windowsx",
"winerror",
"wingdi",
"winnt",
"winuser",
]
[target.'cfg(all(unix, not(any(target_os = "redox", target_family = "wasm", target_os = "android", target_os = "ios", target_os = "macos"))))'.dependencies]
ahash = { version = "0.8.7", features = ["no-rng"], optional = true }
bytemuck = { version = "1.13.1", default-features = false, optional = true }
calloop = "0.13.0"
libc = "0.2.64"
memmap2 = { version = "0.9.0", optional = true }
percent-encoding = { version = "2.0", optional = true }
rustix = { version = "0.38.4", default-features = false, features = [
"std",
"system",
"thread",
"process",
] }
sctk = { package = "smithay-client-toolkit", version = "0.19.2", default-features = false, features = [
"calloop",
], optional = true }
sctk-adwaita = { version = "0.10.1", default-features = false, optional = true }
wayland-backend = { version = "0.3.5", default-features = false, features = [
"client_system",
], optional = true }
wayland-client = { version = "0.31.4", optional = true }
wayland-protocols = { version = "0.32.2", features = [
"staging",
], optional = true }
wayland-protocols-plasma = { version = "0.3.2", features = [
"client",
], optional = true }
x11-dl = { version = "2.19.1", optional = true }
x11rb = { version = "0.13.0", default-features = false, features = [
"allow-unsafe-code",
"dl-libxcb",
"randr",
"resource_manager",
"xinput",
"xkb",
], optional = true }
xkbcommon-dl = "0.4.2"
[target.'cfg(target_os = "redox")'.dependencies]
orbclient = { version = "0.3.47", default-features = false }
redox_syscall = "0.4.1"
[target.'cfg(target_family = "wasm")'.dependencies.web_sys]
package = "web-sys"
version = "0.3.64"
features = [
'AbortController',
'AbortSignal',
'Blob',
'BlobPropertyBag',
'console',
'CssStyleDeclaration',
'Document',
'DomException',
'DomRect',
'DomRectReadOnly',
'Element',
'Event',
'EventTarget',
'FocusEvent',
'HtmlCanvasElement',
'HtmlElement',
'HtmlImageElement',
'ImageBitmap',
'ImageBitmapOptions',
'ImageBitmapRenderingContext',
'ImageData',
'IntersectionObserver',
'IntersectionObserverEntry',
'KeyboardEvent',
'MediaQueryList',
'MessageChannel',
'MessagePort',
'Navigator',
'Node',
'PageTransitionEvent',
'PointerEvent',
'PremultiplyAlpha',
'ResizeObserver',
'ResizeObserverBoxOptions',
'ResizeObserverEntry',
'ResizeObserverOptions',
'ResizeObserverSize',
'VisibilityState',
'Window',
'WheelEvent',
'Worker',
'Url',
]
[target.'cfg(target_family = "wasm")'.dependencies]
js-sys = "0.3.64"
pin-project = "1"
wasm-bindgen = "0.2"
wasm-bindgen-futures = "0.4"
web-time = "1"
[target.'cfg(all(target_family = "wasm", target_feature = "atomics"))'.dependencies]
atomic-waker = "1"
concurrent-queue = { version = "2", default-features = false }
[target.'cfg(target_family = "wasm")'.dev-dependencies]
console_error_panic_hook = "0.1"
tracing-web = "0.1"
[[example]]
doc-scrape-examples = true
name = "window"
[workspace]
resolver = "2"
members = ["dpi"]
[workspace.package]
rust-version = "1.70.0"
repository = "https://github.com/rust-windowing/winit"
license = "Apache-2.0"
edition = "2021"
[workspace.dependencies]
serde = { version = "1", features = ["serde_derive"] }
mint = "0.5.6"
[target.'cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "openbsd", target_os = "netbsd"))'.dependencies]
wayland-client = { version = "0.21", features = [ "dlopen", "egl", "cursor"] }
smithay-client-toolkit = "0.4.3"
x11-dl = "2.18.3"
parking_lot = "0.7"
percent-encoding = "1.0"

View File

@@ -1,248 +0,0 @@
# Winit Scope
Winit aims to expose an interface that abstracts over window creation and input handling and can
be used to create both games and applications. It supports the following main graphical platforms:
- Desktop
- Windows
- macOS
- Unix
- via X11
- via Wayland
- Redox OS, via Orbital
- Mobile
- iOS
- Android
- Web
Most platforms expose capabilities that cannot be meaningfully transposed onto others. Winit does not
aim to support every single feature of every platform, but rather to abstract over the common features
available everywhere. In this context, APIs exposed in winit can be split into different "support tiers":
- **Core:** Features that are essential to providing a well-formed abstraction over each platform's
windowing and input APIs.
- **Platform:** Platform-specific features that can't be meaningfully exposed through a common API and
cannot be implemented outside of Winit without exposing a significant amount of Winit's internals
or interfering with Winit's abstractions.
- **Usability:** Features that are not strictly essential to Winit's functionality, but provide meaningful
usability improvements and cannot be reasonably implemented in an external crate. These are
generally optional and exposed through Cargo features.
Core features are taken care of by the core Winit maintainers. Platform features are not.
When a platform feature is submitted, the submitter is considered the expert in the
feature and may be asked to support the feature should it break in the future.
Winit ***does not*** directly expose functionality for drawing inside windows or creating native
menus, but ***does*** commit to providing APIs that higher-level crates can use to implement that
functionality.
## `1.0` and stability
When all core features are implemented to the satisfaction of the Winit maintainers, Winit 1.0 will
be released and the library will enter maintenance mode. For the most part, new core features will not
be added past this point. New platform features may be accepted and exposed through point releases.
### Tier upgrades
Some platform features could, in theory, be exposed across multiple platforms, but have not gone
through the implementation work necessary to function on all platforms. When one of these features
gets implemented across all platforms, a PR can be opened to upgrade the feature to a core feature.
If that gets accepted, the platform-specific functions get deprecated and become permanently
exposed through the core, cross-platform API.
# Features
## Extending this section
If your PR makes notable changes to Winit's features, please update this section as follows:
- If your PR adds a new feature, add a brief description to the relevant section. If the feature is a core
feature, add a row to the feature matrix and describe what platforms the feature has been implemented on.
- If your PR begins a new API rework, add a row to the `Pending API Reworks` table. If the PR implements the
API rework on all relevant platforms, please move it to the `Completed API Reworks` table.
- If your PR implements an already-existing feature on a new platform, either mark the feature as *completed*,
or mark it as *mostly completed* and link to an issue describing the problems with the implementation.
## Core
### Windowing
- **Window initialization**: Winit allows the creation of a window
- **Providing pointer to init OpenGL**: Winit provides the necessary pointers to initialize a working opengl context
- **Providing pointer to init Vulkan**: Same as OpenGL but for Vulkan
- **Window decorations**: The windows created by winit are properly decorated, and the decorations can
be deactivated
- **Window decorations toggle**: Decorations can be turned on or off after window creation
- **Window resizing**: The windows created by winit can be resized and generate the appropriate events
when they are. The application can precisely control its window size if desired.
- **Window resize increments**: When the window gets resized, the application can choose to snap the window's
size to specific values.
- **Window transparency**: Winit allows the creation of windows with a transparent background.
- **Window maximization**: The windows created by winit can be maximized upon creation.
- **Window maximization toggle**: The windows created by winit can be maximized and unmaximized after
creation.
- **Window minimization**: The windows created by winit can be minimized after creation.
- **Fullscreen**: The windows created by winit can be put into fullscreen mode.
- **Fullscreen toggle**: The windows created by winit can be switched to and from fullscreen after
creation.
- **Exclusive fullscreen**: Winit allows changing the video mode of the monitor
for fullscreen windows and, if applicable, captures the monitor for exclusive
use by this application.
- **HiDPI support**: Winit assists developers in appropriately scaling HiDPI content.
- **Popup / modal windows**: Windows can be created relative to the client area of other windows, and parent
windows can be disabled in favor of popup windows. This feature also guarantees that popup windows
get drawn above their owner.
### System Information
- **Monitor list**: Retrieve the list of monitors and their metadata, including which one is primary.
- **Video mode query**: Monitors can be queried for their supported fullscreen video modes (consisting of resolution, refresh rate, and bit depth).
### Input Handling
- **Mouse events**: Generating mouse events associated with pointer motion, click, and scrolling events.
- **Mouse set location**: Forcibly changing the location of the pointer.
- **Cursor locking**: Locking the cursor inside the window so it cannot move.
- **Cursor confining**: Confining the cursor to the window bounds so it cannot leave them.
- **Cursor icon**: Changing the cursor icon or hiding the cursor.
- **Cursor image**: Changing the cursor to your own image.
- **Cursor hittest**: Handle or ignore mouse events for a window.
- **Touch events**: Single-touch events.
- **Touch pressure**: Touch events contain information about the amount of force being applied.
- **Multitouch**: Multi-touch events, including cancellation of a gesture.
- **Keyboard events**: Properly processing keyboard events using the user-specified keymap and
translating keypresses into UTF-8 characters, handling dead keys and IMEs.
- **Drag & Drop**: Dragging content into winit, detecting when content enters, drops, or if the drop is cancelled.
- **Raw Device Events**: Capturing input from input devices without any OS filtering.
- **Gamepad/Joystick events**: Capturing input from gamepads and joysticks.
- **Device movement events**: Capturing input from the device gyroscope and accelerometer.
## Platform
### Windows
* Setting the name of the internal window class
* Setting the taskbar icon
* Setting the parent window
* Setting a menu bar
* `WS_EX_NOREDIRECTIONBITMAP` support
* Theme the title bar according to Windows 10 Dark Mode setting or set a preferred theme
* Changing a system-drawn backdrop
* Setting the window border color
* Setting the title bar background color
* Setting the title color
* Setting the corner rounding preference
### macOS
* Window activation policy
* Window movable by background
* Transparent titlebar
* Hidden titlebar
* Hidden titlebar buttons
* Full-size content view
* Accepts first mouse
* Set a preferred theme and get current theme.
### Unix
* Window urgency
* X11 Window Class
* X11 Override Redirect Flag
* GTK Theme Variant
* Base window size
* Setting the X11 parent window
### iOS
* Get the `UIScreen` object pointer
* Setting the `UIView` hidpi factor
* Valid orientations
* Home indicator visibility
* Status bar visibility and style
* Deferring system gestures
* Getting the device idiom
* Getting the preferred video mode
### Web
* Get if the systems preferred color scheme is "dark"
## Compatibility Matrix
Legend:
- ✔️: Works as intended
- ▢: Mostly works, but some bugs are known
- ❌: Missing feature or large bugs making it unusable
- **N/A**: Not applicable for this platform
- ❓: Unknown status
### Windowing
|Feature |Windows|MacOS |Linux x11 |Linux Wayland |Android|iOS |Web |Redox OS|
|-------------------------------- | ----- | ---- | ------- | ----------- | ----- | ----- | -------- | ------ |
|Window initialization |✔️ |✔️ |▢[#5] |✔️ |▢[#33]|▢[#33] |✔️ |✔️ |
|Providing pointer to init OpenGL |✔️ |✔️ |✔️ |✔️ |✔️ |✔️ |**N/A**|✔️ |
|Providing pointer to init Vulkan |✔️ |✔️ |✔️ |✔️ |✔️ |❓ |**N/A**|**N/A** |
|Window decorations |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|**N/A**|✔️ |
|Window decorations toggle |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|**N/A**|**N/A** |
|Window resizing |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|✔️ |✔️ |
|Window resize increments |✔️ |✔️ |✔️ |❌ |**N/A**|**N/A**|**N/A**|**N/A** |
|Window transparency |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|N/A |✔️ |
|Window blur |❌ |❌ |❌ |✔️ |**N/A**|**N/A**|N/A |❌ |
|Window maximization |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|**N/A**|**N/A** |
|Window maximization toggle |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|**N/A**|**N/A** |
|Window minimization |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|**N/A**|**N/A** |
|Fullscreen |✔️ |✔️ |✔️ |✔️ |**N/A**|✔️ |✔️ |**N/A** |
|Fullscreen toggle |✔️ |✔️ |✔️ |✔️ |**N/A**|✔️ |✔️ |**N/A** |
|Exclusive fullscreen |✔️ |✔️ |✔️ |**N/A** |❌ |✔️ |**N/A**|**N/A** |
|HiDPI support |✔️ |✔️ |✔️ |✔️ |✔️ |✔️ |✔️ |❌ |
|Popup windows |❌ |❌ |❌ |❌ |❌ |❌ |**N/A**|**N/A** |
### System information
|Feature |Windows|MacOS |Linux x11|Linux Wayland|Android|iOS |Web |Redox OS|
|---------------- | ----- | ---- | ------- | ----------- | ----- | ------- | -------- | ------ |
|Monitor list |✔️ |✔️ |✔️ |✔️ |✔️ |✔️ |**N/A**|❌ |
|Video mode query |✔️ |✔️ |✔️ |✔️ |✔️ |✔️ |**N/A**|❌ |
### Input handling
|Feature |Windows |MacOS |Linux x11|Linux Wayland|Android|iOS |Web |Redox OS|
|----------------------- | ----- | ---- | ------- | ----------- | ----- | ----- | -------- | ------ |
|Mouse events |✔️ |▢[#63] |✔️ |✔️ |**N/A**|**N/A**|✔️ |✔️ |
|Mouse set location |✔️ |✔️ |✔️ |✔️(when locked) |**N/A**|**N/A**|**N/A**|**N/A** |
|Cursor locking |❌ |✔️ |❌ |✔️ |**N/A**|**N/A**|✔️ |❌ |
|Cursor confining |✔️ |❌ |✔️ |✔️ |**N/A**|**N/A**|❌ |❌ |
|Cursor icon |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|✔️ |**N/A** |
|Cursor image |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|✔️ |**N/A** |
|Cursor hittest |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|❌ |❌ |
|Touch events |✔️ |❌ |✔️ |✔️ |✔️ |✔️ |✔️ |**N/A** |
|Touch pressure |✔️ |❌ |❌ |❌ |❌ |✔️ |✔️ |**N/A** |
|Multitouch |✔️ |❌ |✔️ |✔️ |✔️ |✔️ |❌ |**N/A** |
|Keyboard events |✔️ |✔️ |✔️ |✔️ |✔️ |❌ |✔️ |✔️ |
|Drag & Drop |▢[#720] |▢[#720] |▢[#720] |▢[#720] |**N/A**|**N/A**|❓ |**N/A** |
|Raw Device Events |▢[#750] |▢[#750] |▢[#750] |❌ |❌ |❌ |❓ |**N/A** |
|Gamepad/Joystick events |❌[#804] |❌ |❌ |❌ |❌ |❌ |❓ |**N/A** |
|Device movement events |❓ |❓ |❓ |❓ |❌ |❌ |❓ |**N/A** |
|Drag window with cursor |✔️ |✔️ |✔️ |✔️ |**N/A**|**N/A**|**N/A** |**N/A** |
|Resize with cursor |✔️ |❌ |✔️ |✔️ |**N/A**|**N/A**|**N/A** |**N/A** |
### Pending API Reworks
Changes in the API that have been agreed upon but aren't implemented across all platforms.
|Feature |Windows|MacOS |Linux x11|Linux Wayland|Android|iOS |Web |Redox OS|
|------------------------------ | ----- | ---- | ------- | ----------- | ----- | ----- | -------- | ------ |
|New API for HiDPI ([#315] [#319]) |✔️ |✔️ |✔️ |✔️ |✔️ |✔️ |❓ |❓ |
|Event Loop 2.0 ([#459]) |✔️ |✔️ |✔️ |✔️ |✔️ |✔️ |❓ |✔️ |
|Keyboard Input 2.0 ([#753]) |✔️ |✔️ |✔️ |✔️ |✔️ |❌ |✔️ |✔️ |
### Completed API Reworks
|Feature |Windows|MacOS |Linux x11|Linux Wayland|Android|iOS |Web |Redox OS|
|------------------------------ | ----- | ---- | ------- | ----------- | ----- | ----- | -------- | ------ |
[#165]: https://github.com/rust-windowing/winit/issues/165
[#219]: https://github.com/rust-windowing/winit/issues/219
[#242]: https://github.com/rust-windowing/winit/issues/242
[#306]: https://github.com/rust-windowing/winit/issues/306
[#315]: https://github.com/rust-windowing/winit/issues/315
[#319]: https://github.com/rust-windowing/winit/issues/319
[#33]: https://github.com/rust-windowing/winit/issues/33
[#459]: https://github.com/rust-windowing/winit/issues/459
[#5]: https://github.com/rust-windowing/winit/issues/5
[#63]: https://github.com/rust-windowing/winit/issues/63
[#720]: https://github.com/rust-windowing/winit/issues/720
[#721]: https://github.com/rust-windowing/winit/issues/721
[#750]: https://github.com/rust-windowing/winit/issues/750
[#753]: https://github.com/rust-windowing/winit/issues/753
[#804]: https://github.com/rust-windowing/winit/issues/804

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# Hall of Champions
The winit maintainers would like to recognize the following former winit
contributors, without whom winit would not exist in its current form. We thank
them deeply for their time and efforts and wish them the best of luck in their
future endeavors:
* [@tomaka]: For creating the winit project and guiding it through its early
years of existence.
* [@vberger]: For diligently creating the Wayland backend and being its
extremely helpful and benevolent maintainer for years.
* [@francesca64]: For taking over the responsibility of maintaining almost every
winit backend and standardizing HiDPI support across all of them.
* [@Osspial]: For heroically landing EventLoop 2.0 and valiantly ushering in a
vastly more sustainable era of winit.
* [@goddessfreya]: For selflessly taking over maintainership of glutin and her
stellar dedication to improving both winit and glutin.
* [@ArturKovacs]: For consistently maintaining the macOS backend and for his immense involvement in designing and implementing the new keyboard API.
[@tomaka]: https://github.com/tomaka
[@vberger]: https://github.com/vberger
[@francesca64]: https://github.com/francesca64
[@Osspial]: https://github.com/Osspial
[@goddessfreya]: https://github.com/goddessfreya
[@ArturKovacs]: https://github.com/ArturKovacs

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# winit - Cross-platform window creation and management in Rust
[![Crates.io](https://img.shields.io/crates/v/winit.svg)](https://crates.io/crates/winit)
[![](http://meritbadge.herokuapp.com/winit)](https://crates.io/crates/winit)
[![Docs.rs](https://docs.rs/winit/badge.svg)](https://docs.rs/winit)
[![Master Docs](https://img.shields.io/github/actions/workflow/status/rust-windowing/winit/docs.yml?branch=master&label=master%20docs
)](https://rust-windowing.github.io/winit/winit/index.html)
[![CI Status](https://github.com/rust-windowing/winit/workflows/CI/badge.svg)](https://github.com/rust-windowing/winit/actions)
[![Build Status](https://travis-ci.org/tomaka/winit.svg?branch=master)](https://travis-ci.org/tomaka/winit)
[![Build status](https://ci.appveyor.com/api/projects/status/5h87hj0g4q2xe3j9/branch/master?svg=true)](https://ci.appveyor.com/project/tomaka/winit/branch/master)
```toml
[dependencies]
winit = "0.30.5"
winit = "0.19.1"
```
## [Documentation](https://docs.rs/winit)
For features _within_ the scope of winit, see [FEATURES.md](FEATURES.md).
For features _outside_ the scope of winit, see [Are we GUI Yet?](https://areweguiyet.com/) and [Are we game yet?](https://arewegameyet.rs/), depending on what kind of project you're looking to do.
## Contact Us
Join us in our [![Matrix](https://img.shields.io/badge/Matrix-%23rust--windowing%3Amatrix.org-blueviolet.svg)](https://matrix.to/#/#rust-windowing:matrix.org) room.
Join us in any of these:
The maintainers have a meeting every friday at UTC 15. The meeting notes can be found [here](https://hackmd.io/@winit-meetings).
[![Freenode](https://img.shields.io/badge/freenode.net-%23glutin-red.svg)](http://webchat.freenode.net?channels=%23glutin&uio=MTY9dHJ1ZSYyPXRydWUmND10cnVlJjExPTE4NSYxMj10cnVlJjE1PXRydWU7a)
[![Matrix](https://img.shields.io/badge/Matrix-%23Glutin%3Amatrix.org-blueviolet.svg)](https://matrix.to/#/#Glutin:matrix.org)
[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/tomaka/glutin?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
## Usage
Winit is a window creation and management library. It can create windows and lets you handle
events (for example: the window being resized, a key being pressed, a mouse movement, etc.)
produced by the window.
produced by window.
Winit is designed to be a low-level brick in a hierarchy of libraries. Consequently, in order to
show something on the window you need to use the platform-specific getters provided by winit, or
another library.
## MSRV Policy
```rust
extern crate winit;
This crate's Minimum Supported Rust Version (MSRV) is **1.70**. Changes to
the MSRV will be accompanied by a minor version bump.
fn main() {
let mut events_loop = winit::EventsLoop::new();
let window = winit::Window::new(&events_loop).unwrap();
As a **tentative** policy, the upper bound of the MSRV is given by the following
formula:
```
min(sid, stable - 3)
events_loop.run_forever(|event| {
match event {
winit::Event::WindowEvent {
event: winit::WindowEvent::CloseRequested,
..
} => winit::ControlFlow::Break,
_ => winit::ControlFlow::Continue,
}
});
}
```
Where `sid` is the current version of `rustc` provided by [Debian Sid], and
`stable` is the latest stable version of Rust. This bound may be broken in case of a major ecosystem shift or a security vulnerability.
Winit is only officially supported on the latest stable version of the Rust compiler.
[Debian Sid]: https://packages.debian.org/sid/rustc
### Cargo Features
The exception is for the Android platform, where a higher Rust version
must be used for certain Android features. In this case, the MSRV will be
capped at the latest stable version of Rust minus three. This inconsistency is
not reflected in Cargo metadata, as it is not powerful enough to expose this
restriction.
All crates in the [`rust-windowing`] organizations have the
same MSRV policy.
[`rust-windowing`]: https://github.com/rust-windowing
Winit provides the following features, which can be enabled in your `Cargo.toml` file:
* `icon_loading`: Enables loading window icons directly from files. Depends on the [`image` crate](https://crates.io/crates/image).
* `serde`: Enables serialization/deserialization of certain types with [Serde](https://crates.io/crates/serde).
### Platform-specific usage
Check out the [`winit::platform`](https://rust-windowing.github.io/winit/winit/platform/index.html) module for platform-specific usage.
#### Emscripten and WebAssembly
Building a binary will yield a `.js` file. In order to use it in an HTML file, you need to:
- Put a `<canvas id="my_id"></canvas>` element somewhere. A canvas corresponds to a winit "window".
- Write a Javascript code that creates a global variable named `Module`. Set `Module.canvas` to
the element of the `<canvas>` element (in the example you would retrieve it via `document.getElementById("my_id")`).
More information [here](https://kripken.github.io/emscripten-site/docs/api_reference/module.html).
- Make sure that you insert the `.js` file generated by Rust after the `Module` variable is created.

24
appveyor.yml Normal file
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environment:
matrix:
- TARGET: x86_64-pc-windows-msvc
CHANNEL: nightly
- TARGET: x86_64-pc-windows-msvc
CHANNEL: stable
- TARGET: i686-pc-windows-msvc
CHANNEL: nightly
- TARGET: i686-pc-windows-gnu
CHANNEL: nightly
install:
- appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
- rustup-init -yv --default-toolchain %CHANNEL% --default-host %TARGET%
- SET PATH=%PATH%;%USERPROFILE%\.cargo\bin
- SET PATH=%PATH%;C:\MinGW\bin
- rustc -V
- cargo -V
build: false
test_script:
- cargo test --verbose
- cargo test --features serde --verbose
- cargo test --features icon_loading --verbose

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use cfg_aliases::cfg_aliases;
fn main() {
// The script doesn't depend on our code.
println!("cargo:rerun-if-changed=build.rs");
// Setup cfg aliases.
cfg_aliases! {
// Systems.
android_platform: { target_os = "android" },
web_platform: { all(target_family = "wasm", target_os = "unknown") },
macos_platform: { target_os = "macos" },
ios_platform: { target_os = "ios" },
windows_platform: { target_os = "windows" },
apple: { any(target_os = "ios", target_os = "macos") },
free_unix: { all(unix, not(apple), not(android_platform), not(target_os = "emscripten")) },
redox: { target_os = "redox" },
// Native displays.
x11_platform: { all(feature = "x11", free_unix, not(redox)) },
wayland_platform: { all(feature = "wayland", free_unix, not(redox)) },
orbital_platform: { redox },
}
// Winit defined cfgs.
println!("cargo:rustc-check-cfg=cfg(unreleased_changelogs)");
}

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disallowed-methods = [
{ path = "web_sys::window", reason = "is not available in every context" },
{ path = "web_sys::HtmlCanvasElement::width", reason = "Winit shouldn't touch the internal canvas size" },
{ path = "web_sys::HtmlCanvasElement::height", reason = "Winit shouldn't touch the internal canvas size" },
{ path = "web_sys::HtmlCanvasElement::set_width", reason = "Winit shouldn't touch the internal canvas size" },
{ path = "web_sys::HtmlCanvasElement::set_height", reason = "Winit shouldn't touch the internal canvas size" },
{ path = "web_sys::Window::document", reason = "cache this to reduce calls to JS" },
{ path = "web_sys::Window::get_computed_style", reason = "cache this to reduce calls to JS" },
{ path = "web_sys::HtmlElement::style", reason = "cache this to reduce calls to JS" },
{ path = "web_sys::Element::request_fullscreen", reason = "Doesn't account for compatibility with Safari" },
{ path = "web_sys::Document::exit_fullscreen", reason = "Doesn't account for compatibility with Safari" },
{ path = "web_sys::Document::fullscreen_element", reason = "Doesn't account for compatibility with Safari" },
{ path = "objc2_app_kit::NSView::visibleRect", reason = "We expose a render target to the user, and visibility is not really relevant to that (and can break if you don't use the rectangle position as well). Use `frame` instead." },
{ path = "objc2_app_kit::NSWindow::setFrameTopLeftPoint", reason = "Not sufficient when working with Winit's coordinate system, use `flip_window_screen_coordinates` instead" },
]

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# https://embarkstudios.github.io/cargo-deny/
# cargo install cargo-deny
# cargo update && cargo deny --all-features --log-level error --target aarch64-apple-ios check
# Note: running just `cargo deny check` without a `--target` will result in
# false positives due to https://github.com/EmbarkStudios/cargo-deny/issues/324
targets = [
{ triple = "aarch64-apple-ios" },
{ triple = "aarch64-linux-android" },
{ triple = "i686-pc-windows-gnu" },
{ triple = "i686-pc-windows-msvc" },
{ triple = "i686-unknown-linux-gnu" },
{ triple = "wasm32-unknown-unknown" },
{ triple = "x86_64-apple-darwin" },
{ triple = "x86_64-apple-ios" },
{ triple = "x86_64-pc-windows-gnu" },
{ triple = "x86_64-pc-windows-msvc" },
{ triple = "x86_64-unknown-linux-gnu" },
{ triple = "x86_64-unknown-redox" },
]
[advisories]
vulnerability = "deny"
unmaintained = "warn"
yanked = "deny"
ignore = []
[bans]
multiple-versions = "deny"
wildcards = "allow" # at least until https://github.com/EmbarkStudios/cargo-deny/issues/241 is fixed
deny = []
skip = [
{ name = "raw-window-handle" }, # we intentionally have multiple versions of this
{ name = "bitflags" }, # the ecosystem is in the process of migrating.
]
skip-tree = []
[licenses]
private = { ignore = true }
unlicensed = "deny"
allow-osi-fsf-free = "neither"
confidence-threshold = 0.92 # We want really high confidence when inferring licenses from text
copyleft = "deny"
allow = [
"Apache-2.0 WITH LLVM-exception", # https://spdx.org/licenses/LLVM-exception.html
"Apache-2.0", # https://tldrlegal.com/license/apache-license-2.0-(apache-2.0)
"BSD-2-Clause", # https://tldrlegal.com/license/bsd-2-clause-license-(freebsd)
"BSD-3-Clause", # https://tldrlegal.com/license/bsd-3-clause-license-(revised)
"BSL-1.0", # https://tldrlegal.com/license/boost-software-license-1.0-explained
"CC0-1.0", # https://creativecommons.org/publicdomain/zero/1.0/
"ISC", # https://tldrlegal.com/license/-isc-license
"LicenseRef-UFL-1.0", # https://tldrlegal.com/license/ubuntu-font-license,-1.0 - no official SPDX, see https://github.com/emilk/egui/issues/2321
"MIT-0", # https://choosealicense.com/licenses/mit-0/
"MIT", # https://tldrlegal.com/license/mit-license
"MPL-2.0", # https://www.mozilla.org/en-US/MPL/2.0/FAQ/ - see Q11. Used by webpki-roots on Linux.
"OFL-1.1", # https://spdx.org/licenses/OFL-1.1.html
"OpenSSL", # https://www.openssl.org/source/license.html - used on Linux
"Unicode-DFS-2016", # https://spdx.org/licenses/Unicode-DFS-2016.html
"Zlib", # https://tldrlegal.com/license/zlib-libpng-license-(zlib)
]

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# Image Attribution
These images are used in the documentation of `winit`.
## keyboard_*.svg
These files are a modified version of "[ANSI US QWERTY (Windows)](https://commons.wikimedia.org/wiki/File:ANSI_US_QWERTY_(Windows).svg)"
by [Tomiĉo] (https://commons.wikimedia.org/wiki/User:Tomi%C4%89o). It was
originally released under the [CC-BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/deed.en)
License. Minor modifications have been made by [John Nunley](https://github.com/notgull),
which have been released under the same license as a derivative work.

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# Changelog
All notable changes to this project will be documented in this file.
Please keep one empty line before and after all headers. (This is required for
`git` to produce a conflict when a release is made while a PR is open and the
PR's changelog entry would go into the wrong section).
And please only add new entries to the top of this list, right below the `#
Unreleased` header.
## Unreleased
## 0.1.1
- Derive `Debug`, `Copy`, `Clone`, `PartialEq`, `Serialize`, `Deserialize` traits for `PixelUnit`.
## 0.1.0
- Add `LogicalUnit`, `PhysicalUnit` and `PixelUnit` types and related functions.

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[package]
name = "dpi"
version = "0.1.1"
description = "Types for handling UI scaling"
keywords = ["DPI", "HiDPI", "scale-factor"]
categories = ["gui"]
rust-version.workspace = true
repository.workspace = true
license.workspace = true
edition.workspace = true
[features]
serde = ["dep:serde"]
mint = ["dep:mint"]
[dependencies]
serde = { workspace = true, optional = true }
mint = { workspace = true, optional = true }
[package.metadata.docs.rs]
features = ["serde", "mint"]
# These are all tested in CI
targets = [
# Windows
"i686-pc-windows-msvc",
"x86_64-pc-windows-msvc",
# macOS
"x86_64-apple-darwin",
# Unix (X11 & Wayland)
"i686-unknown-linux-gnu",
"x86_64-unknown-linux-gnu",
# iOS
"x86_64-apple-ios",
# Android
"aarch64-linux-android",
# Web
"wasm32-unknown-unknown",
]
rustdoc-args = ["--cfg", "docsrs"]

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../LICENSE

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#[cfg(all(feature = "rwh_06", any(x11_platform, macos_platform, windows_platform)))]
#[allow(deprecated)]
fn main() -> Result<(), impl std::error::Error> {
use std::collections::HashMap;
use winit::dpi::{LogicalPosition, LogicalSize, Position};
use winit::event::{ElementState, Event, KeyEvent, WindowEvent};
use winit::event_loop::{ActiveEventLoop, EventLoop};
use winit::raw_window_handle::HasRawWindowHandle;
use winit::window::Window;
#[path = "util/fill.rs"]
mod fill;
fn spawn_child_window(parent: &Window, event_loop: &ActiveEventLoop) -> Window {
let parent = parent.raw_window_handle().unwrap();
let mut window_attributes = Window::default_attributes()
.with_title("child window")
.with_inner_size(LogicalSize::new(200.0f32, 200.0f32))
.with_position(Position::Logical(LogicalPosition::new(0.0, 0.0)))
.with_visible(true);
// `with_parent_window` is unsafe. Parent window must be a valid window.
window_attributes = unsafe { window_attributes.with_parent_window(Some(parent)) };
event_loop.create_window(window_attributes).unwrap()
}
let mut windows = HashMap::new();
let event_loop: EventLoop<()> = EventLoop::new().unwrap();
let mut parent_window_id = None;
event_loop.run(move |event: Event<()>, event_loop| {
match event {
Event::Resumed => {
let attributes = Window::default_attributes()
.with_title("parent window")
.with_position(Position::Logical(LogicalPosition::new(0.0, 0.0)))
.with_inner_size(LogicalSize::new(640.0f32, 480.0f32));
let window = event_loop.create_window(attributes).unwrap();
parent_window_id = Some(window.id());
println!("Parent window id: {parent_window_id:?})");
windows.insert(window.id(), window);
},
Event::WindowEvent { window_id, event } => match event {
WindowEvent::CloseRequested => {
windows.clear();
event_loop.exit();
},
WindowEvent::CursorEntered { device_id: _ } => {
// On x11, println when the cursor entered in a window even if the child window
// is created by some key inputs.
// the child windows are always placed at (0, 0) with size (200, 200) in the
// parent window, so we also can see this log when we move
// the cursor around (200, 200) in parent window.
println!("cursor entered in the window {window_id:?}");
},
WindowEvent::KeyboardInput {
event: KeyEvent { state: ElementState::Pressed, .. },
..
} => {
let parent_window = windows.get(&parent_window_id.unwrap()).unwrap();
let child_window = spawn_child_window(parent_window, event_loop);
let child_id = child_window.id();
println!("Child window created with id: {child_id:?}");
windows.insert(child_id, child_window);
},
WindowEvent::RedrawRequested => {
if let Some(window) = windows.get(&window_id) {
fill::fill_window(window);
}
},
_ => (),
},
_ => (),
}
})
}
#[cfg(all(feature = "rwh_06", not(any(x11_platform, macos_platform, windows_platform))))]
fn main() {
panic!(
"This example is supported only on x11, macOS, and Windows, with the `rwh_06` feature \
enabled."
);
}

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#![allow(clippy::single_match)]
use std::thread;
#[cfg(not(web_platform))]
use std::time;
use ::tracing::{info, warn};
#[cfg(web_platform)]
use web_time as time;
use winit::application::ApplicationHandler;
use winit::event::{ElementState, KeyEvent, StartCause, WindowEvent};
use winit::event_loop::{ActiveEventLoop, ControlFlow, EventLoop};
use winit::keyboard::{Key, NamedKey};
use winit::window::{Window, WindowId};
#[path = "util/fill.rs"]
mod fill;
#[path = "util/tracing.rs"]
mod tracing;
const WAIT_TIME: time::Duration = time::Duration::from_millis(100);
const POLL_SLEEP_TIME: time::Duration = time::Duration::from_millis(100);
#[derive(Default, Debug, Clone, Copy, PartialEq, Eq)]
enum Mode {
#[default]
Wait,
WaitUntil,
Poll,
}
fn main() -> Result<(), impl std::error::Error> {
#[cfg(web_platform)]
console_error_panic_hook::set_once();
tracing::init();
info!("Press '1' to switch to Wait mode.");
info!("Press '2' to switch to WaitUntil mode.");
info!("Press '3' to switch to Poll mode.");
info!("Press 'R' to toggle request_redraw() calls.");
info!("Press 'Esc' to close the window.");
let event_loop = EventLoop::new().unwrap();
let mut app = ControlFlowDemo::default();
event_loop.run_app(&mut app)
}
#[derive(Default)]
struct ControlFlowDemo {
mode: Mode,
request_redraw: bool,
wait_cancelled: bool,
close_requested: bool,
window: Option<Window>,
}
impl ApplicationHandler for ControlFlowDemo {
fn new_events(&mut self, _event_loop: &ActiveEventLoop, cause: StartCause) {
info!("new_events: {cause:?}");
self.wait_cancelled = match cause {
StartCause::WaitCancelled { .. } => self.mode == Mode::WaitUntil,
_ => false,
}
}
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
let window_attributes = Window::default_attributes().with_title(
"Press 1, 2, 3 to change control flow mode. Press R to toggle redraw requests.",
);
self.window = Some(event_loop.create_window(window_attributes).unwrap());
}
fn window_event(
&mut self,
_event_loop: &ActiveEventLoop,
_window_id: WindowId,
event: WindowEvent,
) {
info!("{event:?}");
match event {
WindowEvent::CloseRequested => {
self.close_requested = true;
},
WindowEvent::KeyboardInput {
event: KeyEvent { logical_key: key, state: ElementState::Pressed, .. },
..
} => match key.as_ref() {
// WARNING: Consider using `key_without_modifiers()` if available on your platform.
// See the `key_binding` example
Key::Character("1") => {
self.mode = Mode::Wait;
warn!("mode: {:?}", self.mode);
},
Key::Character("2") => {
self.mode = Mode::WaitUntil;
warn!("mode: {:?}", self.mode);
},
Key::Character("3") => {
self.mode = Mode::Poll;
warn!("mode: {:?}", self.mode);
},
Key::Character("r") => {
self.request_redraw = !self.request_redraw;
warn!("request_redraw: {}", self.request_redraw);
},
Key::Named(NamedKey::Escape) => {
self.close_requested = true;
},
_ => (),
},
WindowEvent::RedrawRequested => {
let window = self.window.as_ref().unwrap();
window.pre_present_notify();
fill::fill_window(window);
},
_ => (),
}
}
fn about_to_wait(&mut self, event_loop: &ActiveEventLoop) {
if self.request_redraw && !self.wait_cancelled && !self.close_requested {
self.window.as_ref().unwrap().request_redraw();
}
match self.mode {
Mode::Wait => event_loop.set_control_flow(ControlFlow::Wait),
Mode::WaitUntil => {
if !self.wait_cancelled {
event_loop
.set_control_flow(ControlFlow::WaitUntil(time::Instant::now() + WAIT_TIME));
}
},
Mode::Poll => {
thread::sleep(POLL_SLEEP_TIME);
event_loop.set_control_flow(ControlFlow::Poll);
},
};
if self.close_requested {
event_loop.exit();
}
}
}

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examples/cursor.rs Normal file
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extern crate winit;
use winit::{Event, ElementState, MouseCursor, WindowEvent, KeyboardInput, ControlFlow};
fn main() {
let mut events_loop = winit::EventsLoop::new();
let window = winit::WindowBuilder::new().build(&events_loop).unwrap();
window.set_title("A fantastic window!");
let cursors = [MouseCursor::Default, MouseCursor::Crosshair, MouseCursor::Hand, MouseCursor::Arrow, MouseCursor::Move, MouseCursor::Text, MouseCursor::Wait, MouseCursor::Help, MouseCursor::Progress, MouseCursor::NotAllowed, MouseCursor::ContextMenu, MouseCursor::Cell, MouseCursor::VerticalText, MouseCursor::Alias, MouseCursor::Copy, MouseCursor::NoDrop, MouseCursor::Grab, MouseCursor::Grabbing, MouseCursor::AllScroll, MouseCursor::ZoomIn, MouseCursor::ZoomOut, MouseCursor::EResize, MouseCursor::NResize, MouseCursor::NeResize, MouseCursor::NwResize, MouseCursor::SResize, MouseCursor::SeResize, MouseCursor::SwResize, MouseCursor::WResize, MouseCursor::EwResize, MouseCursor::NsResize, MouseCursor::NeswResize, MouseCursor::NwseResize, MouseCursor::ColResize, MouseCursor::RowResize];
let mut cursor_idx = 0;
events_loop.run_forever(|event| {
match event {
Event::WindowEvent { event: WindowEvent::KeyboardInput { input: KeyboardInput { state: ElementState::Pressed, .. }, .. }, .. } => {
println!("Setting cursor to \"{:?}\"", cursors[cursor_idx]);
window.set_cursor(cursors[cursor_idx]);
if cursor_idx < cursors.len() - 1 {
cursor_idx += 1;
} else {
cursor_idx = 0;
}
},
Event::WindowEvent { event: WindowEvent::CloseRequested, .. } => {
return ControlFlow::Break;
},
_ => ()
}
ControlFlow::Continue
});
}

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examples/cursor_grab.rs Normal file
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extern crate winit;
fn main() {
let mut events_loop = winit::EventsLoop::new();
let window = winit::WindowBuilder::new()
.with_title("Super Cursor Grab'n'Hide Simulator 9000")
.build(&events_loop)
.unwrap();
events_loop.run_forever(|event| {
if let winit::Event::WindowEvent { event, .. } = event {
use winit::WindowEvent::*;
match event {
CloseRequested => return winit::ControlFlow::Break,
KeyboardInput {
input: winit::KeyboardInput {
state: winit::ElementState::Released,
virtual_keycode: Some(key),
modifiers,
..
},
..
} => {
use winit::VirtualKeyCode::*;
match key {
Escape => return winit::ControlFlow::Break,
G => window.grab_cursor(!modifiers.shift).unwrap(),
H => window.hide_cursor(!modifiers.shift),
_ => (),
}
}
_ => (),
}
}
winit::ControlFlow::Continue
});
}

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examples/fullscreen.rs Normal file
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extern crate winit;
use std::io::{self, Write};
use winit::{ControlFlow, Event, WindowEvent};
fn main() {
let mut events_loop = winit::EventsLoop::new();
#[cfg(target_os = "macos")]
let mut macos_use_simple_fullscreen = false;
let monitor = {
// On macOS there are two fullscreen modes "native" and "simple"
#[cfg(target_os = "macos")]
{
print!("Please choose the fullscreen mode: (1) native, (2) simple: ");
io::stdout().flush().unwrap();
let mut num = String::new();
io::stdin().read_line(&mut num).unwrap();
let num = num.trim().parse().ok().expect("Please enter a number");
match num {
2 => macos_use_simple_fullscreen = true,
_ => {}
}
// Prompt for monitor when using native fullscreen
if !macos_use_simple_fullscreen {
Some(prompt_for_monitor(&events_loop))
} else {
None
}
}
#[cfg(not(target_os = "macos"))]
Some(prompt_for_monitor(&events_loop))
};
let mut is_fullscreen = monitor.is_some();
let mut is_maximized = false;
let mut decorations = true;
let window = winit::WindowBuilder::new()
.with_title("Hello world!")
.with_fullscreen(monitor)
.build(&events_loop)
.unwrap();
events_loop.run_forever(|event| {
println!("{:?}", event);
match event {
Event::WindowEvent { event, .. } => match event {
WindowEvent::CloseRequested => return ControlFlow::Break,
WindowEvent::KeyboardInput {
input:
winit::KeyboardInput {
virtual_keycode: Some(virtual_code),
state,
..
},
..
} => match (virtual_code, state) {
(winit::VirtualKeyCode::Escape, _) => return ControlFlow::Break,
(winit::VirtualKeyCode::F, winit::ElementState::Pressed) => {
#[cfg(target_os = "macos")]
{
if macos_use_simple_fullscreen {
use winit::os::macos::WindowExt;
if WindowExt::set_simple_fullscreen(&window, !is_fullscreen) {
is_fullscreen = !is_fullscreen;
}
return ControlFlow::Continue;
}
}
is_fullscreen = !is_fullscreen;
if !is_fullscreen {
window.set_fullscreen(None);
} else {
window.set_fullscreen(Some(window.get_current_monitor()));
}
}
(winit::VirtualKeyCode::M, winit::ElementState::Pressed) => {
is_maximized = !is_maximized;
window.set_maximized(is_maximized);
}
(winit::VirtualKeyCode::D, winit::ElementState::Pressed) => {
decorations = !decorations;
window.set_decorations(decorations);
}
_ => (),
},
_ => (),
},
_ => {}
}
ControlFlow::Continue
});
}
// Enumerate monitors and prompt user to choose one
fn prompt_for_monitor(events_loop: &winit::EventsLoop) -> winit::MonitorId {
for (num, monitor) in events_loop.get_available_monitors().enumerate() {
println!("Monitor #{}: {:?}", num, monitor.get_name());
}
print!("Please write the number of the monitor to use: ");
io::stdout().flush().unwrap();
let mut num = String::new();
io::stdin().read_line(&mut num).unwrap();
let num = num.trim().parse().ok().expect("Please enter a number");
let monitor = events_loop.get_available_monitors().nth(num).expect("Please enter a valid ID");
println!("Using {:?}", monitor.get_name());
monitor
}

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extern crate winit;
fn main() {
let mut events_loop = winit::EventsLoop::new();
let _window = winit::WindowBuilder::new()
.with_title("Your faithful window")
.build(&events_loop)
.unwrap();
let mut close_requested = false;
events_loop.run_forever(|event| {
use winit::WindowEvent::*;
use winit::ElementState::Released;
use winit::VirtualKeyCode::{N, Y};
match event {
winit::Event::WindowEvent { event, .. } => match event {
CloseRequested => {
// `CloseRequested` is sent when the close button on the window is pressed (or
// through whatever other mechanisms the window manager provides for closing a
// window). If you don't handle this event, the close button won't actually do
// anything.
// A common thing to do here is prompt the user if they have unsaved work.
// Creating a proper dialog box for that is far beyond the scope of this
// example, so here we'll just respond to the Y and N keys.
println!("Are you ready to bid your window farewell? [Y/N]");
close_requested = true;
// In applications where you can safely close the window without further
// action from the user, this is generally where you'd handle cleanup before
// closing the window. How to close the window is detailed in the handler for
// the Y key.
}
KeyboardInput {
input:
winit::KeyboardInput {
virtual_keycode: Some(virtual_code),
state: Released,
..
},
..
} => match virtual_code {
Y => {
if close_requested {
// This is where you'll want to do any cleanup you need.
println!("Buh-bye!");
// For a single-window application like this, you'd normally just
// break out of the event loop here. If you wanted to keep running the
// event loop (i.e. if it's a multi-window application), you need to
// drop the window. That closes it, and results in `Destroyed` being
// sent.
return winit::ControlFlow::Break;
}
}
N => {
if close_requested {
println!("Your window will continue to stay by your side.");
close_requested = false;
}
}
_ => (),
},
_ => (),
},
_ => (),
}
winit::ControlFlow::Continue
});
}

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23
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extern crate winit;
use winit::dpi::LogicalSize;
fn main() {
let mut events_loop = winit::EventsLoop::new();
let window = winit::WindowBuilder::new()
.build(&events_loop)
.unwrap();
window.set_min_dimensions(Some(LogicalSize::new(400.0, 200.0)));
window.set_max_dimensions(Some(LogicalSize::new(800.0, 400.0)));
events_loop.run_forever(|event| {
println!("{:?}", event);
match event {
winit::Event::WindowEvent { event: winit::WindowEvent::CloseRequested, .. } => winit::ControlFlow::Break,
_ => winit::ControlFlow::Continue,
}
});
}

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extern crate winit;
fn main() {
let event_loop = winit::EventsLoop::new();
let window = winit::WindowBuilder::new().build(&event_loop).unwrap();
println!("{:#?}\nPrimary: {:#?}", window.get_available_monitors(), window.get_primary_monitor());
}

33
examples/multiwindow.rs Normal file
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extern crate winit;
use std::collections::HashMap;
fn main() {
let mut events_loop = winit::EventsLoop::new();
let mut windows = HashMap::new();
for _ in 0..3 {
let window = winit::Window::new(&events_loop).unwrap();
windows.insert(window.id(), window);
}
events_loop.run_forever(|event| {
match event {
winit::Event::WindowEvent {
event: winit::WindowEvent::CloseRequested,
window_id,
} => {
println!("Window {:?} has received the signal to close", window_id);
// This drops the window, causing it to close.
windows.remove(&window_id);
if windows.is_empty() {
return winit::ControlFlow::Break;
}
}
_ => (),
}
winit::ControlFlow::Continue
})
}

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examples/proxy.rs Normal file
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extern crate winit;
fn main() {
let mut events_loop = winit::EventsLoop::new();
let _window = winit::WindowBuilder::new()
.with_title("A fantastic window!")
.build(&events_loop)
.unwrap();
let proxy = events_loop.create_proxy();
std::thread::spawn(move || {
// Wake up the `events_loop` once every second.
loop {
std::thread::sleep(std::time::Duration::from_secs(1));
proxy.wakeup().unwrap();
}
});
events_loop.run_forever(|event| {
println!("{:?}", event);
match event {
winit::Event::WindowEvent { event: winit::WindowEvent::CloseRequested, .. } =>
winit::ControlFlow::Break,
_ => winit::ControlFlow::Continue,
}
});
}

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#![allow(clippy::single_match)]
// Limit this example to only compatible platforms.
#[cfg(any(windows_platform, macos_platform, x11_platform, wayland_platform, android_platform,))]
fn main() -> std::process::ExitCode {
use std::process::ExitCode;
use std::thread::sleep;
use std::time::Duration;
use winit::application::ApplicationHandler;
use winit::event::WindowEvent;
use winit::event_loop::{ActiveEventLoop, EventLoop};
use winit::platform::pump_events::{EventLoopExtPumpEvents, PumpStatus};
use winit::window::{Window, WindowId};
#[path = "util/fill.rs"]
mod fill;
#[derive(Default)]
struct PumpDemo {
window: Option<Window>,
}
impl ApplicationHandler for PumpDemo {
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
let window_attributes = Window::default_attributes().with_title("A fantastic window!");
self.window = Some(event_loop.create_window(window_attributes).unwrap());
}
fn window_event(
&mut self,
event_loop: &ActiveEventLoop,
_window_id: WindowId,
event: WindowEvent,
) {
println!("{event:?}");
let window = match self.window.as_ref() {
Some(window) => window,
None => return,
};
match event {
WindowEvent::CloseRequested => event_loop.exit(),
WindowEvent::RedrawRequested => {
fill::fill_window(window);
window.request_redraw();
},
_ => (),
}
}
}
let mut event_loop = EventLoop::new().unwrap();
tracing_subscriber::fmt::init();
let mut app = PumpDemo::default();
loop {
let timeout = Some(Duration::ZERO);
let status = event_loop.pump_app_events(timeout, &mut app);
if let PumpStatus::Exit(exit_code) = status {
break ExitCode::from(exit_code as u8);
}
// Sleep for 1/60 second to simulate application work
//
// Since `pump_events` doesn't block it will be important to
// throttle the loop in the app somehow.
println!("Update()");
sleep(Duration::from_millis(16));
}
}
#[cfg(any(ios_platform, web_platform, orbital_platform))]
fn main() {
println!("This platform doesn't support pump_events.");
}

38
examples/resizable.rs Normal file
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@@ -0,0 +1,38 @@
extern crate winit;
fn main() {
let mut events_loop = winit::EventsLoop::new();
let mut resizable = false;
let window = winit::WindowBuilder::new()
.with_title("Hit space to toggle resizability.")
.with_dimensions((400, 200).into())
.with_resizable(resizable)
.build(&events_loop)
.unwrap();
events_loop.run_forever(|event| {
match event {
winit::Event::WindowEvent { event, .. } => match event {
winit::WindowEvent::CloseRequested => return winit::ControlFlow::Break,
winit::WindowEvent::KeyboardInput {
input:
winit::KeyboardInput {
virtual_keycode: Some(winit::VirtualKeyCode::Space),
state: winit::ElementState::Released,
..
},
..
} => {
resizable = !resizable;
println!("Resizable: {}", resizable);
window.set_resizable(resizable);
}
_ => (),
},
_ => (),
};
winit::ControlFlow::Continue
});
}

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@@ -1,99 +0,0 @@
#![allow(clippy::single_match)]
// Limit this example to only compatible platforms.
#[cfg(any(windows_platform, macos_platform, x11_platform, wayland_platform,))]
fn main() -> Result<(), Box<dyn std::error::Error>> {
use std::time::Duration;
use winit::application::ApplicationHandler;
use winit::event::WindowEvent;
use winit::event_loop::{ActiveEventLoop, EventLoop};
use winit::platform::run_on_demand::EventLoopExtRunOnDemand;
use winit::window::{Window, WindowId};
#[path = "util/fill.rs"]
mod fill;
#[derive(Default)]
struct App {
idx: usize,
window_id: Option<WindowId>,
window: Option<Window>,
}
impl ApplicationHandler for App {
fn about_to_wait(&mut self, _event_loop: &ActiveEventLoop) {
if let Some(window) = self.window.as_ref() {
window.request_redraw();
}
}
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
let window_attributes = Window::default_attributes()
.with_title("Fantastic window number one!")
.with_inner_size(winit::dpi::LogicalSize::new(128.0, 128.0));
let window = event_loop.create_window(window_attributes).unwrap();
self.window_id = Some(window.id());
self.window = Some(window);
}
fn window_event(
&mut self,
event_loop: &ActiveEventLoop,
window_id: WindowId,
event: WindowEvent,
) {
if event == WindowEvent::Destroyed && self.window_id == Some(window_id) {
println!(
"--------------------------------------------------------- Window {} Destroyed",
self.idx
);
self.window_id = None;
event_loop.exit();
return;
}
let window = match self.window.as_mut() {
Some(window) => window,
None => return,
};
match event {
WindowEvent::CloseRequested => {
println!(
"--------------------------------------------------------- Window {} \
CloseRequested",
self.idx
);
fill::cleanup_window(window);
self.window = None;
},
WindowEvent::RedrawRequested => {
fill::fill_window(window);
},
_ => (),
}
}
}
tracing_subscriber::fmt::init();
let mut event_loop = EventLoop::new().unwrap();
let mut app = App { idx: 1, ..Default::default() };
event_loop.run_app_on_demand(&mut app)?;
println!("--------------------------------------------------------- Finished first loop");
println!("--------------------------------------------------------- Waiting 5 seconds");
std::thread::sleep(Duration::from_secs(5));
app.idx += 1;
event_loop.run_app_on_demand(&mut app)?;
println!("--------------------------------------------------------- Finished second loop");
Ok(())
}
#[cfg(not(any(windows_platform, macos_platform, x11_platform, wayland_platform,)))]
fn main() {
println!("This example is not supported on this platform");
}

20
examples/transparent.rs Normal file
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@@ -0,0 +1,20 @@
extern crate winit;
fn main() {
let mut events_loop = winit::EventsLoop::new();
let window = winit::WindowBuilder::new().with_decorations(false)
.with_transparency(true)
.build(&events_loop).unwrap();
window.set_title("A fantastic window!");
events_loop.run_forever(|event| {
println!("{:?}", event);
match event {
winit::Event::WindowEvent { event: winit::WindowEvent::CloseRequested, .. } => winit::ControlFlow::Break,
_ => winit::ControlFlow::Continue,
}
});
}

View File

@@ -1,117 +0,0 @@
//! Fill the window buffer with a solid color.
//!
//! Launching a window without drawing to it has unpredictable results varying from platform to
//! platform. In order to have well-defined examples, this module provides an easy way to
//! fill the window buffer with a solid color.
//!
//! The `softbuffer` crate is used, largely because of its ease of use. `glutin` or `wgpu` could
//! also be used to fill the window buffer, but they are more complicated to use.
#[allow(unused_imports)]
pub use platform::cleanup_window;
pub use platform::fill_window;
#[cfg(all(feature = "rwh_05", not(any(target_os = "android", target_os = "ios"))))]
mod platform {
use std::cell::RefCell;
use std::collections::HashMap;
use std::mem;
use std::mem::ManuallyDrop;
use std::num::NonZeroU32;
use softbuffer::{Context, Surface};
use winit::window::{Window, WindowId};
thread_local! {
// NOTE: You should never do things like that, create context and drop it before
// you drop the event loop. We do this for brevity to not blow up examples. We use
// ManuallyDrop to prevent destructors from running.
//
// A static, thread-local map of graphics contexts to open windows.
static GC: ManuallyDrop<RefCell<Option<GraphicsContext>>> = const { ManuallyDrop::new(RefCell::new(None)) };
}
/// The graphics context used to draw to a window.
struct GraphicsContext {
/// The global softbuffer context.
context: RefCell<Context<&'static Window>>,
/// The hash map of window IDs to surfaces.
surfaces: HashMap<WindowId, Surface<&'static Window, &'static Window>>,
}
impl GraphicsContext {
fn new(w: &Window) -> Self {
Self {
context: RefCell::new(
Context::new(unsafe { mem::transmute::<&'_ Window, &'static Window>(w) })
.expect("Failed to create a softbuffer context"),
),
surfaces: HashMap::new(),
}
}
fn create_surface(
&mut self,
window: &Window,
) -> &mut Surface<&'static Window, &'static Window> {
self.surfaces.entry(window.id()).or_insert_with(|| {
Surface::new(&self.context.borrow(), unsafe {
mem::transmute::<&'_ Window, &'static Window>(window)
})
.expect("Failed to create a softbuffer surface")
})
}
fn destroy_surface(&mut self, window: &Window) {
self.surfaces.remove(&window.id());
}
}
pub fn fill_window(window: &Window) {
GC.with(|gc| {
let size = window.inner_size();
let (Some(width), Some(height)) =
(NonZeroU32::new(size.width), NonZeroU32::new(size.height))
else {
return;
};
// Either get the last context used or create a new one.
let mut gc = gc.borrow_mut();
let surface =
gc.get_or_insert_with(|| GraphicsContext::new(window)).create_surface(window);
// Fill a buffer with a solid color.
const DARK_GRAY: u32 = 0xff181818;
surface.resize(width, height).expect("Failed to resize the softbuffer surface");
let mut buffer = surface.buffer_mut().expect("Failed to get the softbuffer buffer");
buffer.fill(DARK_GRAY);
buffer.present().expect("Failed to present the softbuffer buffer");
})
}
#[allow(dead_code)]
pub fn cleanup_window(window: &Window) {
GC.with(|gc| {
let mut gc = gc.borrow_mut();
if let Some(context) = gc.as_mut() {
context.destroy_surface(window);
}
});
}
}
#[cfg(not(all(feature = "rwh_05", not(any(target_os = "android", target_os = "ios")))))]
mod platform {
pub fn fill_window(_window: &winit::window::Window) {
// No-op on mobile platforms.
}
#[allow(dead_code)]
pub fn cleanup_window(_window: &winit::window::Window) {
// No-op on mobile platforms.
}
}

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@@ -1,25 +0,0 @@
#[cfg(not(web_platform))]
pub fn init() {
use tracing_subscriber::filter::{EnvFilter, LevelFilter};
tracing_subscriber::fmt()
.with_env_filter(
EnvFilter::builder().with_default_directive(LevelFilter::INFO.into()).from_env_lossy(),
)
.init();
}
#[cfg(web_platform)]
pub fn init() {
use tracing_subscriber::layer::SubscriberExt;
use tracing_subscriber::util::SubscriberInitExt;
tracing_subscriber::registry()
.with(
tracing_subscriber::fmt::layer()
.with_ansi(false)
.without_time()
.with_writer(tracing_web::MakeWebConsoleWriter::new()),
)
.init();
}

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94
examples/window_icon.rs Normal file
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// Heads up: you need to compile this example with `--features icon_loading`.
// `Icon::from_path` won't be available otherwise, though for your own applications, you could use
// `Icon::from_rgba` if you don't want to depend on the `image` crate.
extern crate winit;
#[cfg(feature = "icon_loading")]
extern crate image;
#[cfg(feature = "icon_loading")]
fn main() {
use winit::Icon;
// You'll have to choose an icon size at your own discretion. On X11, the desired size varies
// by WM, and on Windows, you still have to account for screen scaling. Here we use 32px,
// since it seems to work well enough in most cases. Be careful about going too high, or
// you'll be bitten by the low-quality downscaling built into the WM.
let path = concat!(env!("CARGO_MANIFEST_DIR"), "/examples/icon.png");
// While `Icon::from_path` is the most straightforward, you have a few other options. If you
// want to use the `include_bytes` macro, then pass the result to `Icon::from_bytes`. See the
// docs for the full list of options (you'll have to generate the docs with the `icon_loading`
// feature enabled).
let icon = Icon::from_path(path).expect("Failed to open icon");
let mut events_loop = winit::EventsLoop::new();
let window = winit::WindowBuilder::new()
.with_title("An iconic window!")
// At present, this only does anything on Windows and X11, so if you want to save load
// time, you can put icon loading behind a function that returns `None` on other platforms.
.with_window_icon(Some(icon))
.build(&events_loop)
.unwrap();
events_loop.run_forever(|event| {
if let winit::Event::WindowEvent { event, .. } = event {
use winit::WindowEvent::*;
match event {
CloseRequested => return winit::ControlFlow::Break,
DroppedFile(path) => {
use image::GenericImageView;
let icon_image = image::open(path).expect("Failed to open window icon");
let (width, height) = icon_image.dimensions();
const DESIRED_SIZE: u32 = 32;
let (new_width, new_height) = if width == height {
(DESIRED_SIZE, DESIRED_SIZE)
} else {
// Note that this will never divide by zero, due to the previous condition.
let aspect_adjustment = DESIRED_SIZE as f64
/ std::cmp::max(width, height) as f64;
(
(width as f64 * aspect_adjustment) as u32,
(height as f64 * aspect_adjustment) as u32,
)
};
// By scaling the icon ourselves, we get higher-quality filtering and save
// some memory.
let icon = image::imageops::resize(
&icon_image,
new_width,
new_height,
image::FilterType::Lanczos3,
);
let (offset_x, offset_y) = (
(DESIRED_SIZE - new_width) / 2,
(DESIRED_SIZE - new_height) / 2,
);
let mut canvas = image::ImageBuffer::new(DESIRED_SIZE, DESIRED_SIZE);
image::imageops::replace(
&mut canvas,
&icon,
offset_x,
offset_y,
);
window.set_window_icon(Some(canvas.into()));
},
_ => (),
}
}
winit::ControlFlow::Continue
});
}
#[cfg(not(feature = "icon_loading"))]
fn main() {
print!(
r#"This example requires the `icon_loading` feature:
cargo run --example window_icon --features icon_loading
"#);
}

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@@ -1,69 +0,0 @@
//! A demonstration of embedding a winit window in an existing X11 application.
use std::error::Error;
#[cfg(x11_platform)]
fn main() -> Result<(), Box<dyn Error>> {
use winit::application::ApplicationHandler;
use winit::event::WindowEvent;
use winit::event_loop::{ActiveEventLoop, EventLoop};
use winit::platform::x11::WindowAttributesExtX11;
use winit::window::{Window, WindowId};
#[path = "util/fill.rs"]
mod fill;
pub struct XEmbedDemo {
parent_window_id: u32,
window: Option<Window>,
}
impl ApplicationHandler for XEmbedDemo {
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
let window_attributes = Window::default_attributes()
.with_title("An embedded window!")
.with_inner_size(winit::dpi::LogicalSize::new(128.0, 128.0))
.with_embed_parent_window(self.parent_window_id);
self.window = Some(event_loop.create_window(window_attributes).unwrap());
}
fn window_event(
&mut self,
event_loop: &ActiveEventLoop,
_window_id: WindowId,
event: WindowEvent,
) {
let window = self.window.as_ref().unwrap();
match event {
WindowEvent::CloseRequested => event_loop.exit(),
WindowEvent::RedrawRequested => {
window.pre_present_notify();
fill::fill_window(window);
},
_ => (),
}
}
fn about_to_wait(&mut self, _event_loop: &ActiveEventLoop) {
self.window.as_ref().unwrap().request_redraw();
}
}
// First argument should be a 32-bit X11 window ID.
let parent_window_id = std::env::args()
.nth(1)
.ok_or("Expected a 32-bit X11 window ID as the first argument.")?
.parse::<u32>()?;
tracing_subscriber::fmt::init();
let event_loop = EventLoop::new()?;
let mut app = XEmbedDemo { parent_window_id, window: None };
event_loop.run_app(&mut app).map_err(Into::into)
}
#[cfg(not(x11_platform))]
fn main() -> Result<(), Box<dyn Error>> {
println!("This example is only supported on X11 platforms.");
Ok(())
}

View File

@@ -1,19 +0,0 @@
format_code_in_doc_comments = true
match_block_trailing_comma = true
condense_wildcard_suffixes = true
use_field_init_shorthand = true
normalize_doc_attributes = true
overflow_delimited_expr = true
imports_granularity = "Module"
use_small_heuristics = "Max"
format_macro_matchers = true
error_on_unformatted = true
format_macro_bodies = true
hex_literal_case = "Lower"
normalize_comments = true
# Some macros break with this.
reorder_impl_items = false
newline_style = "Unix"
format_strings = true
wrap_comments = true
comment_width = 100

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@@ -1,339 +0,0 @@
//! End user application handling.
use crate::event::{DeviceEvent, DeviceId, StartCause, WindowEvent};
use crate::event_loop::ActiveEventLoop;
use crate::window::WindowId;
/// The handler of the application events.
pub trait ApplicationHandler<T: 'static = ()> {
/// Emitted when new events arrive from the OS to be processed.
///
/// This is a useful place to put code that should be done before you start processing
/// events, such as updating frame timing information for benchmarking or checking the
/// [`StartCause`] to see if a timer set by
/// [`ControlFlow::WaitUntil`][crate::event_loop::ControlFlow::WaitUntil] has elapsed.
fn new_events(&mut self, event_loop: &ActiveEventLoop, cause: StartCause) {
let _ = (event_loop, cause);
}
/// Emitted when the application has been resumed.
///
/// For consistency, all platforms emit a `Resumed` event even if they don't themselves have a
/// formal suspend/resume lifecycle. For systems without a formal suspend/resume lifecycle
/// the `Resumed` event is always emitted after the
/// [`NewEvents(StartCause::Init)`][StartCause::Init] event.
///
/// # Portability
///
/// It's recommended that applications should only initialize their graphics context and create
/// a window after they have received their first `Resumed` event. Some systems
/// (specifically Android) won't allow applications to create a render surface until they are
/// resumed.
///
/// Considering that the implementation of [`Suspended`] and `Resumed` events may be internally
/// driven by multiple platform-specific events, and that there may be subtle differences across
/// platforms with how these internal events are delivered, it's recommended that applications
/// be able to gracefully handle redundant (i.e. back-to-back) [`Suspended`] or `Resumed`
/// events.
///
/// Also see [`Suspended`] notes.
///
/// ## Android
///
/// On Android, the `Resumed` event is sent when a new [`SurfaceView`] has been created. This is
/// expected to closely correlate with the [`onResume`] lifecycle event but there may
/// technically be a discrepancy.
///
/// [`onResume`]: https://developer.android.com/reference/android/app/Activity#onResume()
///
/// Applications that need to run on Android must wait until they have been `Resumed`
/// before they will be able to create a render surface (such as an `EGLSurface`,
/// [`VkSurfaceKHR`] or [`wgpu::Surface`]) which depend on having a
/// [`SurfaceView`]. Applications must also assume that if they are [`Suspended`], then their
/// render surfaces are invalid and should be dropped.
///
/// Also see [`Suspended`] notes.
///
/// [`SurfaceView`]: https://developer.android.com/reference/android/view/SurfaceView
/// [Activity lifecycle]: https://developer.android.com/guide/components/activities/activity-lifecycle
/// [`VkSurfaceKHR`]: https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/VkSurfaceKHR.html
/// [`wgpu::Surface`]: https://docs.rs/wgpu/latest/wgpu/struct.Surface.html
///
/// ## iOS
///
/// On iOS, the `Resumed` event is emitted in response to an [`applicationDidBecomeActive`]
/// callback which means the application is "active" (according to the
/// [iOS application lifecycle]).
///
/// [`applicationDidBecomeActive`]: https://developer.apple.com/documentation/uikit/uiapplicationdelegate/1622956-applicationdidbecomeactive
/// [iOS application lifecycle]: https://developer.apple.com/documentation/uikit/app_and_environment/managing_your_app_s_life_cycle
///
/// ## Web
///
/// On Web, the `Resumed` event is emitted in response to a [`pageshow`] event
/// with the property [`persisted`] being true, which means that the page is being
/// restored from the [`bfcache`] (back/forward cache) - an in-memory cache that
/// stores a complete snapshot of a page (including the JavaScript heap) as the
/// user is navigating away.
///
/// [`pageshow`]: https://developer.mozilla.org/en-US/docs/Web/API/Window/pageshow_event
/// [`persisted`]: https://developer.mozilla.org/en-US/docs/Web/API/PageTransitionEvent/persisted
/// [`bfcache`]: https://web.dev/bfcache/
/// [`Suspended`]: Self::suspended
fn resumed(&mut self, event_loop: &ActiveEventLoop);
/// Emitted when an event is sent from [`EventLoopProxy::send_event`].
///
/// [`EventLoopProxy::send_event`]: crate::event_loop::EventLoopProxy::send_event
fn user_event(&mut self, event_loop: &ActiveEventLoop, event: T) {
let _ = (event_loop, event);
}
/// Emitted when the OS sends an event to a winit window.
fn window_event(
&mut self,
event_loop: &ActiveEventLoop,
window_id: WindowId,
event: WindowEvent,
);
/// Emitted when the OS sends an event to a device.
fn device_event(
&mut self,
event_loop: &ActiveEventLoop,
device_id: DeviceId,
event: DeviceEvent,
) {
let _ = (event_loop, device_id, event);
}
/// Emitted when the event loop is about to block and wait for new events.
///
/// Most applications shouldn't need to hook into this event since there is no real relationship
/// between how often the event loop needs to wake up and the dispatching of any specific
/// events.
///
/// High frequency event sources, such as input devices could potentially lead to lots of wake
/// ups and also lots of corresponding `AboutToWait` events.
///
/// This is not an ideal event to drive application rendering from and instead applications
/// should render in response to [`WindowEvent::RedrawRequested`] events.
fn about_to_wait(&mut self, event_loop: &ActiveEventLoop) {
let _ = event_loop;
}
/// Emitted when the application has been suspended.
///
/// # Portability
///
/// Not all platforms support the notion of suspending applications, and there may be no
/// technical way to guarantee being able to emit a `Suspended` event if the OS has
/// no formal application lifecycle (currently only Android, iOS, and Web do). For this reason,
/// Winit does not currently try to emit pseudo `Suspended` events before the application
/// quits on platforms without an application lifecycle.
///
/// Considering that the implementation of `Suspended` and [`Resumed`] events may be internally
/// driven by multiple platform-specific events, and that there may be subtle differences across
/// platforms with how these internal events are delivered, it's recommended that applications
/// be able to gracefully handle redundant (i.e. back-to-back) `Suspended` or [`Resumed`]
/// events.
///
/// Also see [`Resumed`] notes.
///
/// ## Android
///
/// On Android, the `Suspended` event is only sent when the application's associated
/// [`SurfaceView`] is destroyed. This is expected to closely correlate with the [`onPause`]
/// lifecycle event but there may technically be a discrepancy.
///
/// [`onPause`]: https://developer.android.com/reference/android/app/Activity#onPause()
///
/// Applications that need to run on Android should assume their [`SurfaceView`] has been
/// destroyed, which indirectly invalidates any existing render surfaces that may have been
/// created outside of Winit (such as an `EGLSurface`, [`VkSurfaceKHR`] or [`wgpu::Surface`]).
///
/// After being `Suspended` on Android applications must drop all render surfaces before
/// the event callback completes, which may be re-created when the application is next
/// [`Resumed`].
///
/// [`SurfaceView`]: https://developer.android.com/reference/android/view/SurfaceView
/// [Activity lifecycle]: https://developer.android.com/guide/components/activities/activity-lifecycle
/// [`VkSurfaceKHR`]: https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/VkSurfaceKHR.html
/// [`wgpu::Surface`]: https://docs.rs/wgpu/latest/wgpu/struct.Surface.html
///
/// ## iOS
///
/// On iOS, the `Suspended` event is currently emitted in response to an
/// [`applicationWillResignActive`] callback which means that the application is
/// about to transition from the active to inactive state (according to the
/// [iOS application lifecycle]).
///
/// [`applicationWillResignActive`]: https://developer.apple.com/documentation/uikit/uiapplicationdelegate/1622950-applicationwillresignactive
/// [iOS application lifecycle]: https://developer.apple.com/documentation/uikit/app_and_environment/managing_your_app_s_life_cycle
///
/// ## Web
///
/// On Web, the `Suspended` event is emitted in response to a [`pagehide`] event
/// with the property [`persisted`] being true, which means that the page is being
/// put in the [`bfcache`] (back/forward cache) - an in-memory cache that stores a
/// complete snapshot of a page (including the JavaScript heap) as the user is
/// navigating away.
///
/// [`pagehide`]: https://developer.mozilla.org/en-US/docs/Web/API/Window/pagehide_event
/// [`persisted`]: https://developer.mozilla.org/en-US/docs/Web/API/PageTransitionEvent/persisted
/// [`bfcache`]: https://web.dev/bfcache/
/// [`Resumed`]: Self::resumed
fn suspended(&mut self, event_loop: &ActiveEventLoop) {
let _ = event_loop;
}
/// Emitted when the event loop is being shut down.
///
/// This is irreversible - if this method is called, it is guaranteed that the event loop
/// will exit right after.
fn exiting(&mut self, event_loop: &ActiveEventLoop) {
let _ = event_loop;
}
/// Emitted when the application has received a memory warning.
///
/// ## Platform-specific
///
/// ### Android
///
/// On Android, the `MemoryWarning` event is sent when [`onLowMemory`] was called. The
/// application must [release memory] or risk being killed.
///
/// [`onLowMemory`]: https://developer.android.com/reference/android/app/Application.html#onLowMemory()
/// [release memory]: https://developer.android.com/topic/performance/memory#release
///
/// ### iOS
///
/// On iOS, the `MemoryWarning` event is emitted in response to an
/// [`applicationDidReceiveMemoryWarning`] callback. The application must free as much
/// memory as possible or risk being terminated, see [how to respond to memory warnings].
///
/// [`applicationDidReceiveMemoryWarning`]: https://developer.apple.com/documentation/uikit/uiapplicationdelegate/1623063-applicationdidreceivememorywarni
/// [how to respond to memory warnings]: https://developer.apple.com/documentation/uikit/app_and_environment/managing_your_app_s_life_cycle/responding_to_memory_warnings
///
/// ### Others
///
/// - **macOS / Orbital / Wayland / Web / Windows:** Unsupported.
fn memory_warning(&mut self, event_loop: &ActiveEventLoop) {
let _ = event_loop;
}
}
impl<A: ?Sized + ApplicationHandler<T>, T: 'static> ApplicationHandler<T> for &mut A {
#[inline]
fn new_events(&mut self, event_loop: &ActiveEventLoop, cause: StartCause) {
(**self).new_events(event_loop, cause);
}
#[inline]
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
(**self).resumed(event_loop);
}
#[inline]
fn user_event(&mut self, event_loop: &ActiveEventLoop, event: T) {
(**self).user_event(event_loop, event);
}
#[inline]
fn window_event(
&mut self,
event_loop: &ActiveEventLoop,
window_id: WindowId,
event: WindowEvent,
) {
(**self).window_event(event_loop, window_id, event);
}
#[inline]
fn device_event(
&mut self,
event_loop: &ActiveEventLoop,
device_id: DeviceId,
event: DeviceEvent,
) {
(**self).device_event(event_loop, device_id, event);
}
#[inline]
fn about_to_wait(&mut self, event_loop: &ActiveEventLoop) {
(**self).about_to_wait(event_loop);
}
#[inline]
fn suspended(&mut self, event_loop: &ActiveEventLoop) {
(**self).suspended(event_loop);
}
#[inline]
fn exiting(&mut self, event_loop: &ActiveEventLoop) {
(**self).exiting(event_loop);
}
#[inline]
fn memory_warning(&mut self, event_loop: &ActiveEventLoop) {
(**self).memory_warning(event_loop);
}
}
impl<A: ?Sized + ApplicationHandler<T>, T: 'static> ApplicationHandler<T> for Box<A> {
#[inline]
fn new_events(&mut self, event_loop: &ActiveEventLoop, cause: StartCause) {
(**self).new_events(event_loop, cause);
}
#[inline]
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
(**self).resumed(event_loop);
}
#[inline]
fn user_event(&mut self, event_loop: &ActiveEventLoop, event: T) {
(**self).user_event(event_loop, event);
}
#[inline]
fn window_event(
&mut self,
event_loop: &ActiveEventLoop,
window_id: WindowId,
event: WindowEvent,
) {
(**self).window_event(event_loop, window_id, event);
}
#[inline]
fn device_event(
&mut self,
event_loop: &ActiveEventLoop,
device_id: DeviceId,
event: DeviceEvent,
) {
(**self).device_event(event_loop, device_id, event);
}
#[inline]
fn about_to_wait(&mut self, event_loop: &ActiveEventLoop) {
(**self).about_to_wait(event_loop);
}
#[inline]
fn suspended(&mut self, event_loop: &ActiveEventLoop) {
(**self).suspended(event_loop);
}
#[inline]
fn exiting(&mut self, event_loop: &ActiveEventLoop) {
(**self).exiting(event_loop);
}
#[inline]
fn memory_warning(&mut self, event_loop: &ActiveEventLoop) {
(**self).memory_warning(event_loop);
}
}

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@@ -1,77 +0,0 @@
//! # Changelog and migrations
//!
//! All notable changes to this project will be documented in this module,
//! along with migration instructions for larger changes.
// Put the current entry at the top of this page, for discoverability.
// See `.cargo/config.toml` for details about `unreleased_changelogs`.
#![cfg_attr(unreleased_changelogs, doc = include_str!("unreleased.md"))]
#![cfg_attr(not(unreleased_changelogs), doc = include_str!("v0.30.md"))]
#[doc = include_str!("v0.30.md")]
pub mod v0_30 {}
#[doc = include_str!("v0.29.md")]
pub mod v0_29 {}
#[doc = include_str!("v0.28.md")]
pub mod v0_28 {}
#[doc = include_str!("v0.27.md")]
pub mod v0_27 {}
#[doc = include_str!("v0.26.md")]
pub mod v0_26 {}
#[doc = include_str!("v0.25.md")]
pub mod v0_25 {}
#[doc = include_str!("v0.24.md")]
pub mod v0_24 {}
#[doc = include_str!("v0.23.md")]
pub mod v0_23 {}
#[doc = include_str!("v0.22.md")]
pub mod v0_22 {}
#[doc = include_str!("v0.21.md")]
pub mod v0_21 {}
#[doc = include_str!("v0.20.md")]
pub mod v0_20 {}
#[doc = include_str!("v0.19.md")]
pub mod v0_19 {}
#[doc = include_str!("v0.18.md")]
pub mod v0_18 {}
#[doc = include_str!("v0.17.md")]
pub mod v0_17 {}
#[doc = include_str!("v0.16.md")]
pub mod v0_16 {}
#[doc = include_str!("v0.15.md")]
pub mod v0_15 {}
#[doc = include_str!("v0.14.md")]
pub mod v0_14 {}
#[doc = include_str!("v0.13.md")]
pub mod v0_13 {}
#[doc = include_str!("v0.12.md")]
pub mod v0_12 {}
#[doc = include_str!("v0.11.md")]
pub mod v0_11 {}
#[doc = include_str!("v0.10.md")]
pub mod v0_10 {}
#[doc = include_str!("v0.9.md")]
pub mod v0_9 {}
#[doc = include_str!("v0.8.md")]
pub mod v0_8 {}

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@@ -1,41 +0,0 @@
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
The sections should follow the order `Added`, `Changed`, `Deprecated`,
`Removed`, and `Fixed`.
Platform specific changed should be added to the end of the section and grouped
by platform name. Common API additions should have `, implemented` at the end
for platforms where the API was initially implemented. See the following example
on how to add them:
```md
### Added
- Add `Window::turbo()`, implemented on X11, Wayland, and Web.
- On X11, add `Window::some_rare_api`.
- On X11, add `Window::even_more_rare_api`.
- On Wayland, add `Window::common_api`.
- On Windows, add `Window::some_rare_api`.
```
When the change requires non-trivial amount of work for users to comply
with it, the migration guide should be added below the entry, like:
```md
- Deprecate `Window` creation outside of `EventLoop::run`
This was done to simply migration in the future. Consider the
following code:
// Code snippet.
To migrate it we should do X, Y, and then Z, for example:
// Code snippet.
```
The migration guide could reference other migration examples in the current
changelog entry.
## Unreleased

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@@ -1,13 +0,0 @@
## 0.10.1
_Yanked_
## 0.10.0
- Add support for `Touch` for emscripten backend.
- Added support for `DroppedFile`, `HoveredFile`, and `HoveredFileCancelled` to X11 backend.
- **Breaking:** `unix::WindowExt` no longer returns pointers for things that aren't actually pointers; `get_xlib_window` now returns `Option<std::os::raw::c_ulong>` and `get_xlib_screen_id` returns `Option<std::os::raw::c_int>`. Additionally, methods that previously returned `libc::c_void` have been changed to return `std::os::raw::c_void`, which are not interchangeable types, so users wanting the former will need to explicitly cast.
- Added `set_decorations` method to `Window` to allow decorations to be toggled after the window is built. Presently only implemented on X11.
- Raised the minimum supported version of Rust to 1.20 on MacOS due to usage of associated constants in new versions of cocoa and core-graphics.
- Added `modifiers` field to `MouseInput`, `MouseWheel`, and `CursorMoved` events to track the modifiers state (`ModifiersState`).
- Fixed the emscripten backend to return the size of the canvas instead of the size of the window.

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@@ -1,27 +0,0 @@
## 0.11.3
- Added `set_min_dimensions` and `set_max_dimensions` methods to `Window`, and implemented on Windows, X11, Wayland, and OSX.
- On X11, dropping a `Window` actually closes it now, and clicking the window's × button (or otherwise having the WM signal to close it) will result in the window closing.
- Added `WindowBuilderExt` methods for macos: `with_titlebar_transparent`,
`with_title_hidden`, `with_titlebar_buttons_hidden`,
`with_fullsize_content_view`.
- Mapped X11 numpad keycodes (arrows, Home, End, PageUp, PageDown, Insert and Delete) to corresponding virtual keycodes
## 0.11.2
- Impl `Hash`, `PartialEq`, and `Eq` for `events::ModifiersState`.
- Implement `MonitorId::get_hidpi_factor` for MacOS.
- Added method `os::macos::MonitorIdExt::get_nsscreen() -> *mut c_void` that gets a `NSScreen` object matching the monitor ID.
- Send `Awakened` event on Android when event loop is woken up.
## 0.11.1
- Fixed windows not receiving mouse events when click-dragging the mouse outside the client area of a window, on Windows platforms.
- Added method `os::android::EventsLoopExt:set_suspend_callback(Option<Box<Fn(bool) -> ()>>)` that allows glutin to register a callback when a suspend event happens
## 0.11.0
- Implement `MonitorId::get_dimensions` for Android.
- Added method `os::macos::WindowBuilderExt::with_movable_by_window_background(bool)` that allows to move a window without a titlebar - `with_decorations(false)`
- Implement `Window::set_fullscreen`, `Window::set_maximized` and `Window::set_decorations` for Wayland.
- Added `Caret` as VirtualKeyCode and support OSX ^-Key with german input.

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@@ -1,8 +0,0 @@
## 0.12.0
- Added subclass to macos windows so they can be made resizable even with no decorations.
- Dead keys now work properly on X11, no longer resulting in a panic.
- On X11, input method creation first tries to use the value from the user's `XMODIFIERS` environment variable, so application developers should no longer need to manually call `XSetLocaleModifiers`. If that fails, fallbacks are tried, which should prevent input method initialization from ever outright failing.
- Fixed thread safety issues with input methods on X11.
- Add support for `Touch` for win32 backend.
- Fixed `Window::get_inner_size` and friends to return the size in pixels instead of points when using HIDPI displays on OSX.

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@@ -1,20 +0,0 @@
## 0.13.1
- Ensure necessary `x11-dl` version is used.
## 0.13.0
- Implement `WindowBuilder::with_maximized`, `Window::set_fullscreen`, `Window::set_maximized` and `Window::set_decorations` for MacOS.
- Implement `WindowBuilder::with_maximized`, `Window::set_fullscreen`, `Window::set_maximized` and `Window::set_decorations` for Windows.
- On Windows, `WindowBuilder::with_fullscreen` no longer changing monitor display resolution.
- Overhauled X11 window geometry calculations. `get_position` and `set_position` are more universally accurate across different window managers, and `get_outer_size` actually works now.
- Fixed SIGSEGV/SIGILL crashes on macOS caused by stabilization of the `!` (never) type.
- Implement `WindowEvent::HiDPIFactorChanged` for macOS
- On X11, input methods now work completely out of the box, no longer requiring application developers to manually call `setlocale`. Additionally, when input methods are started, stopped, or restarted on the server end, it's correctly handled.
- Implemented `Refresh` event on Windows.
- Properly calculate the minimum and maximum window size on Windows, including window decorations.
- Map more `MouseCursor` variants to cursor icons on Windows.
- Corrected `get_position` on macOS to return outer frame position, not content area position.
- Corrected `set_position` on macOS to set outer frame position, not content area position.
- Added `get_inner_position` method to `Window`, which gets the position of the window's client area. This is implemented on all applicable platforms (all desktop platforms other than Wayland, where this isn't possible).
- **Breaking:** the `Closed` event has been replaced by `CloseRequested` and `Destroyed`. To migrate, you typically just need to replace all usages of `Closed` with `CloseRequested`; see example programs for more info. The exception is iOS, where `Closed` must be replaced by `Destroyed`.

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@@ -1,21 +0,0 @@
## 0.14.0
- Created the `Copy`, `Paste` and `Cut` `VirtualKeyCode`s and added support for them on X11 and Wayland
- Fix `.with_decorations(false)` in macOS
- On Mac, `NSWindow` and supporting objects might be alive long after they were `closed` which resulted in apps consuming more heap then needed. Mainly it was affecting multi window applications. Not expecting any user visible change of behaviour after the fix.
- Fix regression of Window platform extensions for macOS where `NSFullSizeContentViewWindowMask` was not being correctly applied to `.fullsize_content_view`.
- Corrected `get_position` on Windows to be relative to the screen rather than to the taskbar.
- Corrected `Moved` event on Windows to use position values equivalent to those returned by `get_position`. It previously supplied client area positions instead of window positions, and would additionally interpret negative values as being very large (around `u16::MAX`).
- Implemented `Moved` event on macOS.
- On X11, the `Moved` event correctly use window positions rather than client area positions. Additionally, a stray `Moved` that unconditionally accompanied `Resized` with the client area position relative to the parent has been eliminated; `Moved` is still received alongside `Resized`, but now only once and always correctly.
- On Windows, implemented all variants of `DeviceEvent` other than `Text`. Mouse `DeviceEvent`s are now received even if the window isn't in the foreground.
- `DeviceId` on Windows is no longer a unit struct, and now contains a `u32`. For `WindowEvent`s, this will always be 0, but on `DeviceEvent`s it will be the handle to that device. `DeviceIdExt::get_persistent_identifier` can be used to acquire a unique identifier for that device that persists across replugs/reboots/etc.
- Corrected `run_forever` on X11 to stop discarding `Awakened` events.
- Various safety and correctness improvements to the X11 backend internals.
- Fixed memory leak on X11 every time the mouse entered the window.
- On X11, drag and drop now works reliably in release mode.
- Added `WindowBuilderExt::with_resize_increments` and `WindowBuilderExt::with_base_size` to X11, allowing for more optional hints to be set.
- Rework of the wayland backend, migrating it to use [Smithay's Client Toolkit](https://github.com/Smithay/client-toolkit).
- Added `WindowBuilder::with_window_icon` and `Window::set_window_icon`, finally making it possible to set the window icon on Windows and X11. The `icon_loading` feature can be enabled to allow for icons to be easily loaded; see example program `window_icon.rs` for usage.
- Windows additionally has `WindowBuilderExt::with_taskbar_icon` and `WindowExt::set_taskbar_icon`.
- On Windows, fix panic when trying to call `set_fullscreen(None)` on a window that has not been fullscreened prior.

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@@ -1,42 +0,0 @@
## 0.15.1
- On X11, the `Moved` event is no longer sent when the window is resized without changing position.
- `MouseCursor` and `CursorState` now implement `Default`.
- `WindowBuilder::with_resizable` implemented for Windows, X11, Wayland, and macOS.
- `Window::set_resizable` implemented for Windows, X11, Wayland, and macOS.
- On X11, if the monitor's width or height in millimeters is reported as 0, the DPI is now 1.0 instead of +inf.
- On X11, the environment variable `WINIT_HIDPI_FACTOR` has been added for overriding DPI factor.
- On X11, enabling transparency no longer causes the window contents to flicker when resizing.
- On X11, `with_override_redirect` now actually enables override redirect.
- macOS now generates `VirtualKeyCode::LAlt` and `VirtualKeyCode::RAlt` instead of `None` for both.
- On macOS, `VirtualKeyCode::RWin` and `VirtualKeyCode::LWin` are no longer switched.
- On macOS, windows without decorations can once again be resized.
- Fixed race conditions when creating an `EventsLoop` on X11, most commonly manifesting as `"[xcb] Unknown sequence number while processing queue"`.
- On macOS, `CursorMoved` and `MouseInput` events are only generated if they occurs within the window's client area.
- On macOS, resizing the window no longer generates a spurious `MouseInput` event.
## 0.15.0
- `Icon::to_cardinals` is no longer public, since it was never supposed to be.
- Wayland: improve diagnostics if initialization fails
- Fix some system event key doesn't work when focused, do not block keyevent forward to system on macOS
- On X11, the scroll wheel position is now correctly reset on i3 and other WMs that have the same quirk.
- On X11, `Window::get_current_monitor` now reliably returns the correct monitor.
- On X11, `Window::hidpi_factor` returns values from XRandR rather than the inaccurate values previously queried from the core protocol.
- On X11, the primary monitor is detected correctly even when using versions of XRandR less than 1.5.
- `MonitorId` now implements `Debug`.
- Fixed bug on macOS where using `with_decorations(false)` would cause `set_decorations(true)` to produce a transparent titlebar with no title.
- Implemented `MonitorId::get_position` on macOS.
- On macOS, `Window::get_current_monitor` now returns accurate values.
- Added `WindowBuilderExt::with_resize_increments` to macOS.
- **Breaking:** On X11, `WindowBuilderExt::with_resize_increments` and `WindowBuilderExt::with_base_size` now take `u32` values rather than `i32`.
- macOS keyboard handling has been overhauled, allowing for the use of dead keys, IME, etc. Right modifier keys are also no longer reported as being left.
- Added the `Window::set_ime_spot(x: i32, y: i32)` method, which is implemented on X11 and macOS.
- **Breaking**: `os::unix::WindowExt::send_xim_spot(x: i16, y: i16)` no longer exists. Switch to the new `Window::set_ime_spot(x: i32, y: i32)`, which has equivalent functionality.
- Fixed detection of `Pause` and `Scroll` keys on Windows.
- On Windows, alt-tabbing while the cursor is grabbed no longer makes it impossible to re-grab the cursor.
- On Windows, using `CursorState::Hide` when the cursor is grabbed now ungrabs the cursor first.
- Implemented `MouseCursor::NoneCursor` on Windows.
- Added `WindowBuilder::with_always_on_top` and `Window::set_always_on_top`. Implemented on Windows, macOS, and X11.
- On X11, `WindowBuilderExt` now has `with_class`, `with_override_redirect`, and `with_x11_window_type` to allow for more control over window creation. `WindowExt` additionally has `set_urgent`.
- More hints are set by default on X11, including `_NET_WM_PID` and `WM_CLIENT_MACHINE`. Note that prior to this, the `WM_CLASS` hint was automatically set to whatever value was passed to `with_title`. It's now set to the executable name to better conform to expectations and the specification; if this is undesirable, you must explicitly use `WindowBuilderExt::with_class`.

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@@ -1,32 +0,0 @@
## 0.16.2
- On Windows, non-resizable windows now have the maximization button disabled. This is consistent with behavior on macOS and popular X11 WMs.
- Corrected incorrect `unreachable!` usage when guessing the DPI factor with no detected monitors.
## 0.16.1
- Added logging through `log`. Logging will become more extensive over time.
- On X11 and Windows, the window's DPI factor is guessed before creating the window. This _greatly_ cuts back on unsightly auto-resizing that would occur immediately after window creation.
- Fixed X11 backend compilation for environments where `c_char` is unsigned.
## 0.16.0
- Windows additionally has `WindowBuilderExt::with_no_redirection_bitmap`.
- **Breaking:** Removed `VirtualKeyCode::LMenu` and `VirtualKeyCode::RMenu`; Windows now generates `VirtualKeyCode::LAlt` and `VirtualKeyCode::RAlt` instead.
- On X11, exiting fullscreen no longer leaves the window in the monitor's top left corner.
- **Breaking:** `Window::hidpi_factor` has been renamed to `Window::get_hidpi_factor` for better consistency. `WindowEvent::HiDPIFactorChanged` has been renamed to `WindowEvent::HiDpiFactorChanged`. DPI factors are always represented as `f64` instead of `f32` now.
- The Windows backend is now DPI aware. `WindowEvent::HiDpiFactorChanged` is implemented, and `MonitorId::get_hidpi_factor` and `Window::hidpi_factor` return accurate values.
- Implemented `WindowEvent::HiDpiFactorChanged` on X11.
- On macOS, `Window::set_cursor_position` is now relative to the client area.
- On macOS, setting the maximum and minimum dimensions now applies to the client area dimensions rather than to the window dimensions.
- On iOS, `MonitorId::get_dimensions` has been implemented and both `MonitorId::get_hidpi_factor` and `Window::get_hidpi_factor` return accurate values.
- On Emscripten, `MonitorId::get_hidpi_factor` now returns the same value as `Window::get_hidpi_factor` (it previously would always return 1.0).
- **Breaking:** The entire API for sizes, positions, etc. has changed. In the majority of cases, winit produces and consumes positions and sizes as `LogicalPosition` and `LogicalSize`, respectively. The notable exception is `MonitorId` methods, which deal in `PhysicalPosition` and `PhysicalSize`. See the documentation for specifics and explanations of the types. Additionally, winit automatically conserves logical size when the DPI factor changes.
- **Breaking:** All deprecated methods have been removed. For `Window::platform_display` and `Window::platform_window`, switch to the appropriate platform-specific `WindowExt` methods. For `Window::get_inner_size_points` and `Window::get_inner_size_pixels`, use the `LogicalSize` returned by `Window::get_inner_size` and convert as needed.
- HiDPI support for Wayland.
- `EventsLoop::get_available_monitors` and `EventsLoop::get_primary_monitor` now have identical counterparts on `Window`, so this information can be acquired without an `EventsLoop` borrow.
- `AvailableMonitorsIter` now implements `Debug`.
- Fixed quirk on macOS where certain keys would generate characters at twice the normal rate when held down.
- On X11, all event loops now share the same `XConnection`.
- **Breaking:** `Window::set_cursor_state` and `CursorState` enum removed in favor of the more composable `Window::grab_cursor` and `Window::hide_cursor`. As a result, grabbing the cursor no longer automatically hides it; you must call both methods to retain the old behavior on Windows and macOS. `Cursor::NoneCursor` has been removed, as it's no longer useful.
- **Breaking:** `Window::set_cursor_position` now returns `Result<(), String>`, thus allowing for `Box<Error>` conversion via `?`.

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@@ -1,23 +0,0 @@
## 0.17.2
- On macOS, fix `<C-Tab>` so applications receive the event.
- On macOS, fix `<Cmd-{key}>` so applications receive the event.
- On Wayland, key press events will now be repeated.
## 0.17.1
- On X11, prevent a compilation failure in release mode for versions of Rust greater than or equal to 1.30.
- Fixed deadlock that broke fullscreen mode on Windows.
## 0.17.0
- Cocoa and core-graphics updates.
- Fixed thread-safety issues in several `Window` functions on Windows.
- On MacOS, the key state for modifiers key events is now properly set.
- On iOS, the view is now set correctly. This makes it possible to render things (instead of being stuck on a black screen), and touch events work again.
- Added NetBSD support.
- **Breaking:** On iOS, `UIView` is now the default root view. `WindowBuilderExt::with_root_view_class` can be used to set the root view objective-c class to `GLKView` (OpenGLES) or `MTKView` (Metal/MoltenVK).
- On iOS, the `UIApplication` is not started until `Window::new` is called.
- Fixed thread unsafety with cursor hiding on macOS.
- On iOS, fixed the size of the `JmpBuf` type used for `setjmp`/`longjmp` calls. Previously this was a buffer overflow on most architectures.
- On Windows, use cached window DPI instead of repeatedly querying the system. This fixes sporadic crashes on Windows 7.

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@@ -1,52 +0,0 @@
## 0.18.1
- On macOS, fix `Yen` (JIS) so applications receive the event.
- On X11 with a tiling WM, fixed high CPU usage when moving windows across monitors.
- On X11, fixed panic caused by dropping the window before running the event loop.
- on macOS, added `WindowExt::set_simple_fullscreen` which does not require a separate space
- Introduce `WindowBuilderExt::with_app_id` to allow setting the application ID on Wayland.
- On Windows, catch panics in event loop child thread and forward them to the parent thread. This prevents an invocation of undefined behavior due to unwinding into foreign code.
- On Windows, fix issue where resizing or moving window combined with grabbing the cursor would freeze program.
- On Windows, fix issue where resizing or moving window would eat `Awakened` events.
- On Windows, exiting fullscreen after entering fullscreen with disabled decorations no longer shrinks window.
- On X11, fixed a segfault when using virtual monitors with XRandR.
- Derive `Ord` and `PartialOrd` for `VirtualKeyCode` enum.
- On Windows, fix issue where hovering or dropping a non file item would create a panic.
- On Wayland, fix resizing and DPI calculation when a `wl_output` is removed without sending a `leave` event to the `wl_surface`, such as disconnecting a monitor from a laptop.
- On Wayland, DPI calculation is handled by smithay-client-toolkit.
- On X11, `WindowBuilder::with_min_dimensions` and `WindowBuilder::with_max_dimensions` now correctly account for DPI.
- Added support for generating dummy `DeviceId`s and `WindowId`s to better support unit testing.
- On macOS, fixed unsoundness in drag-and-drop that could result in drops being rejected.
- On macOS, implemented `WindowEvent::Refresh`.
- On macOS, all `MouseCursor` variants are now implemented and the cursor will no longer reset after unfocusing.
- Removed minimum supported Rust version guarantee.
## 0.18.0
- **Breaking:** `image` crate upgraded to 0.20. This is exposed as part of the `icon_loading` API.
- On Wayland, pointer events will now provide the current modifiers state.
- On Wayland, titles will now be displayed in the window header decoration.
- On Wayland, key repetition is now ended when keyboard loses focus.
- On Wayland, windows will now use more stylish and modern client side decorations.
- On Wayland, windows will use server-side decorations when available.
- **Breaking:** Added support for F16-F24 keys (variants were added to the `VirtualKeyCode` enum).
- Fixed graphical glitches when resizing on Wayland.
- On Windows, fix freezes when performing certain actions after a window resize has been triggered. Reintroduces some visual artifacts when resizing.
- Updated window manager hints under X11 to v1.5 of [Extended Window Manager Hints](https://specifications.freedesktop.org/wm-spec/wm-spec-1.5.html#idm140200472629520).
- Added `WindowBuilderExt::with_gtk_theme_variant` to X11-specific `WindowBuilder` functions.
- Fixed UTF8 handling bug in X11 `set_title` function.
- On Windows, `Window::set_cursor` now applies immediately instead of requiring specific events to occur first.
- On Windows, the `HoveredFile` and `HoveredFileCancelled` events are now implemented.
- On Windows, fix `Window::set_maximized`.
- On Windows 10, fix transparency (#260).
- On macOS, fix modifiers during key repeat.
- Implemented the `Debug` trait for `Window`, `EventsLoop`, `EventsLoopProxy` and `WindowBuilder`.
- On X11, now a `Resized` event will always be generated after a DPI change to ensure the window's logical size is consistent with the new DPI.
- Added further clarifications to the DPI docs.
- On Linux, if neither X11 nor Wayland manage to initialize, the corresponding panic now consists of a single line only.
- Add optional `serde` feature with implementations of `Serialize`/`Deserialize` for DPI types and various event types.
- Add `PartialEq`, `Eq`, and `Hash` implementations on public types that could have them but were missing them.
- On X11, drag-and-drop receiving an unsupported drop type can no longer cause the WM to freeze.
- Fix issue whereby the OpenGL context would not appear at startup on macOS Mojave (#1069).
- **Breaking:** Removed `From<NSApplicationActivationPolicy>` impl from `ActivationPolicy` on macOS.
- On macOS, the application can request the user's attention with `WindowExt::request_user_attention`.

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## 0.19.1
- On Wayland, added a `get_wayland_display` function to `EventsLoopExt`.
- On Windows, fix `CursorMoved(0, 0)` getting dispatched on window focus.
- On macOS, fix command key event left and right reverse.
- On FreeBSD, NetBSD, and OpenBSD, fix build of X11 backend.
- On Linux, the numpad's add, subtract and divide keys are now mapped to the `Add`, `Subtract` and `Divide` virtual key codes
- On macOS, the numpad's subtract key has been added to the `Subtract` mapping
- On Wayland, the numpad's home, end, page up and page down keys are now mapped to the `Home`, `End`, `PageUp` and `PageDown` virtual key codes
- On Windows, fix icon not showing up in corner of window.
- On X11, change DPI scaling factor behavior. First, winit tries to read it from "Xft.dpi" XResource, and uses DPI calculation from xrandr dimensions as fallback behavior.
## 0.19.0
- On X11, we will use the faster `XRRGetScreenResourcesCurrent` function instead of `XRRGetScreenResources` when available.
- On macOS, fix keycodes being incorrect when using a non-US keyboard layout.
- On Wayland, fix `with_title()` not setting the windows title
- On Wayland, add `set_wayland_theme()` to control client decoration color theme
- Added serde serialization to `os::unix::XWindowType`.
- **Breaking:** Remove the `icon_loading` feature and the associated `image` dependency.
- On X11, make event loop thread safe by replacing XNextEvent with select(2) and XCheckIfEvent
- On Windows, fix malformed function pointer typecast that could invoke undefined behavior.
- Refactored Windows state/flag-setting code.
- On Windows, hiding the cursor no longer hides the cursor for all Winit windows - just the one `hide_cursor` was called on.
- On Windows, cursor grabs used to get perpetually canceled when the grabbing window lost focus. Now, cursor grabs automatically get re-initialized when the window regains focus and the mouse moves over the client area.
- On Windows, only vertical mouse wheel events were handled. Now, horizontal mouse wheel events are also handled.
- On Windows, ignore the AltGr key when populating the `ModifiersState` type.

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## 0.20.0
- On X11, fix `ModifiersChanged` emitting incorrect modifier change events
- **Breaking**: Overhaul how Winit handles DPI:
- Window functions and events now return `PhysicalSize` instead of `LogicalSize`.
- Functions that take `Size` or `Position` types can now take either `Logical` or `Physical` types.
- `hidpi_factor` has been renamed to `scale_factor`.
- `HiDpiFactorChanged` has been renamed to `ScaleFactorChanged`, and lets you control how the OS
resizes the window in response to the change.
- On X11, deprecate `WINIT_HIDPI_FACTOR` environment variable in favor of `WINIT_X11_SCALE_FACTOR`.
- `Size` and `Position` types are now generic over their exact pixel type.
## 0.20.0-alpha6
- On macOS, fix `set_cursor_visible` hides cursor outside of window.
- On macOS, fix `CursorEntered` and `CursorLeft` events fired at old window size.
- On macOS, fix error when `set_fullscreen` is called during fullscreen transition.
- On all platforms except mobile and WASM, implement `Window::set_minimized`.
- On X11, fix `CursorEntered` event being generated for non-winit windows.
- On macOS, fix crash when starting maximized without decorations.
- On macOS, fix application not terminating on `run_return`.
- On Wayland, fix cursor icon updates on window borders when using CSD.
- On Wayland, under mutter(GNOME Wayland), fix CSD being behind the status bar, when starting window in maximized mode.
- On Windows, theme the title bar according to whether the system theme is "Light" or "Dark".
- Added `WindowEvent::ThemeChanged` variant to handle changes to the system theme. Currently only implemented on Windows.
- **Breaking**: Changes to the `RedrawRequested` event (#1041):
- `RedrawRequested` has been moved from `WindowEvent` to `Event`.
- `EventsCleared` has been renamed to `MainEventsCleared`.
- `RedrawRequested` is now issued only after `MainEventsCleared`.
- `RedrawEventsCleared` is issued after each set of `RedrawRequested` events.
- Implement synthetic window focus key events on Windows.
- **Breaking**: Change `ModifiersState` to a `bitflags` struct.
- On Windows, implement `VirtualKeyCode` translation for `LWin` and `RWin`.
- On Windows, fix closing the last opened window causing `DeviceEvent`s to stop getting emitted.
- On Windows, fix `Window::set_visible` not setting internal flags correctly. This resulted in some weird behavior.
- Add `DeviceEvent::ModifiersChanged`.
- Deprecate `modifiers` fields in other events in favor of `ModifiersChanged`.
- On X11, `WINIT_HIDPI_FACTOR` now dominates `Xft.dpi` when picking DPI factor for output.
- On X11, add special value `randr` for `WINIT_HIDPI_FACTOR` to make winit use self computed DPI factor instead of the one from `Xft.dpi`.
## 0.20.0-alpha5
- On macOS, fix application termination on `ControlFlow::Exit`
- On Windows, fix missing `ReceivedCharacter` events when Alt is held.
- On macOS, stop emitting private corporate characters in `ReceivedCharacter` events.
- On X11, fix misreporting DPI factor at startup.
- On X11, fix events not being reported when using `run_return`.
- On X11, fix key modifiers being incorrectly reported.
- On X11, fix window creation hanging when another window is fullscreen.
- On Windows, fix focusing unfocused windows when switching from fullscreen to windowed.
- On X11, fix reporting incorrect DPI factor when waking from suspend.
- Change `EventLoopClosed` to contain the original event.
- **Breaking**: Add `is_synthetic` field to `WindowEvent` variant `KeyboardInput`,
indicating that the event is generated by winit.
- On X11, generate synthetic key events for keys held when a window gains or loses focus.
- On X11, issue a `CursorMoved` event when a `Touch` event occurs,
as X11 implicitly moves the cursor for such events.
## 0.20.0-alpha4
- Add web support via the 'stdweb' or 'web-sys' features
- On Windows, implemented function to get HINSTANCE
- On macOS, implement `run_return`.
- On iOS, fix inverted parameter in `set_prefers_home_indicator_hidden`.
- On X11, performance is improved when rapidly calling `Window::set_cursor_icon`.
- On iOS, fix improper `msg_send` usage that was UB and/or would break if `!` is stabilized.
- On Windows, unset `maximized` when manually changing the window's position or size.
- On Windows, add touch pressure information for touch events.
- On macOS, differentiate between `CursorIcon::Grab` and `CursorIcon::Grabbing`.
- On Wayland, fix event processing sometimes stalling when using OpenGL with vsync.
- Officially remove the Emscripten backend.
- On Windows, fix handling of surrogate pairs when dispatching `ReceivedCharacter`.
- On macOS 10.15, fix freeze upon exiting exclusive fullscreen mode.
- On iOS, fix panic upon closing the app.
- On X11, allow setting multiple `XWindowType`s.
- On iOS, fix null window on initial `HiDpiFactorChanged` event.
- On Windows, fix fullscreen window shrinking upon getting restored to a normal window.
- On macOS, fix events not being emitted during modal loops, such as when windows are being resized
by the user.
- On Windows, fix hovering the mouse over the active window creating an endless stream of CursorMoved events.
- Always dispatch a `RedrawRequested` event after creating a new window.
- On X11, return dummy monitor data to avoid panicking when no monitors exist.
- On X11, prevent stealing input focus when creating a new window.
Only steal input focus when entering fullscreen mode.
- On Wayland, fixed DeviceEvents for relative mouse movement is not always produced
- On Wayland, add support for set_cursor_visible and set_cursor_grab.
- On Wayland, fixed DeviceEvents for relative mouse movement is not always produced.
- Removed `derivative` crate dependency.
- On Wayland, add support for set_cursor_icon.
- Use `impl Iterator<Item = MonitorHandle>` instead of `AvailableMonitorsIter` consistently.
- On macOS, fix fullscreen state being updated after entering fullscreen instead of before,
resulting in `Window::fullscreen` returning the old state in `Resized` events instead of
reflecting the new fullscreen state
- On X11, fix use-after-free during window creation
- On Windows, disable monitor change keyboard shortcut while in exclusive fullscreen.
- On Windows, ensure that changing a borderless fullscreen window's monitor via keyboard shortcuts keeps the window fullscreen on the new monitor.
- Prevent `EventLoop::new` and `EventLoop::with_user_event` from getting called outside the main thread.
- This is because some platforms cannot run the event loop outside the main thread. Preventing this
reduces the potential for cross-platform compatibility gotchyas.
- On Windows and Linux X11/Wayland, add platform-specific functions for creating an `EventLoop` outside the main thread.
- On Wayland, drop resize events identical to the current window size.
- On Windows, fix window rectangle not getting set correctly on high-DPI systems.
## 0.20.0-alpha3
- On macOS, drop the run closure on exit.
- On Windows, location of `WindowEvent::Touch` are window client coordinates instead of screen coordinates.
- On X11, fix delayed events after window redraw.
- On macOS, add `WindowBuilderExt::with_disallow_hidpi` to have the option to turn off best resolution openGL surface.
- On Windows, screen saver won't start if the window is in fullscreen mode.
- Change all occurrences of the `new_user_event` method to `with_user_event`.
- On macOS, the dock and the menu bar are now hidden in fullscreen mode.
- `Window::set_fullscreen` now takes `Option<Fullscreen>` where `Fullscreen`
consists of `Fullscreen::Exclusive(VideoMode)` and
`Fullscreen::Borderless(MonitorHandle)` variants.
- Adds support for exclusive fullscreen mode.
- On iOS, add support for hiding the home indicator.
- On iOS, add support for deferring system gestures.
- On iOS, fix a crash that occurred while acquiring a monitor's name.
- On iOS, fix armv7-apple-ios compile target.
- Removed the `T: Clone` requirement from the `Clone` impl of `EventLoopProxy<T>`.
- On iOS, disable overscan compensation for external displays (removes black
bars surrounding the image).
- On Linux, the functions `is_wayland`, `is_x11`, `xlib_xconnection` and `wayland_display` have been moved to a new `EventLoopWindowTargetExtUnix` trait.
- On iOS, add `set_prefers_status_bar_hidden` extension function instead of
hijacking `set_decorations` for this purpose.
- On macOS and iOS, corrected the auto trait impls of `EventLoopProxy`.
- On iOS, add touch pressure information for touch events.
- Implement `raw_window_handle::HasRawWindowHandle` for `Window` type on all supported platforms.
- On macOS, fix the signature of `-[NSView drawRect:]`.
- On iOS, fix the behavior of `ControlFlow::Poll`. It wasn't polling if that was the only mode ever used by the application.
- On iOS, fix DPI sent out by views on creation was `0.0` - now it gives a reasonable number.
- On iOS, RedrawRequested now works for gl/metal backed views.
- On iOS, RedrawRequested is generally ordered after EventsCleared.
## 0.20.0-alpha2
- On X11, non-resizable windows now have maximize explicitly disabled.
- On Windows, support paths longer than MAX_PATH (260 characters) in `WindowEvent::DroppedFile`
and `WindowEvent::HoveredFile`.
- On Mac, implement `DeviceEvent::Button`.
- Change `Event::Suspended(true / false)` to `Event::Suspended` and `Event::Resumed`.
- On X11, fix sanity check which checks that a monitor's reported width and height (in millimeters) are non-zero when calculating the DPI factor.
- Revert the use of invisible surfaces in Wayland, which introduced graphical glitches with OpenGL (#835)
- On X11, implement `_NET_WM_PING` to allow desktop environment to kill unresponsive programs.
- On Windows, when a window is initially invisible, it won't take focus from the existing visible windows.
- On Windows, fix multiple calls to `request_redraw` during `EventsCleared` sending multiple `RedrawRequested events.`
- On Windows, fix edge case where `RedrawRequested` could be dispatched before input events in event loop iteration.
- On Windows, fix timing issue that could cause events to be improperly dispatched after `RedrawRequested` but before `EventsCleared`.
- On macOS, drop unused Metal dependency.
- On Windows, fix the trail effect happening on transparent decorated windows. Borderless (or un-decorated) windows were not affected.
- On Windows, fix `with_maximized` not properly setting window size to entire window.
- On macOS, change `WindowExtMacOS::request_user_attention()` to take an `enum` instead of a `bool`.
## 0.20.0-alpha1
- Changes below are considered **breaking**.
- Change all occurrences of `EventsLoop` to `EventLoop`.
- Previously flat API is now exposed through `event`, `event_loop`, `monitor`, and `window` modules.
- `os` module changes:
- Renamed to `platform`.
- All traits now have platform-specific suffixes.
- Exposes new `desktop` module on Windows, Mac, and Linux.
- Changes to event loop types:
- `EventLoopProxy::wakeup` has been removed in favor of `send_event`.
- **Major:** New `run` method drives winit event loop.
- Returns `!` to ensure API behaves identically across all supported platforms.
- This allows `emscripten` implementation to work without lying about the API.
- `ControlFlow`'s variants have been replaced with `Wait`, `WaitUntil(Instant)`, `Poll`, and `Exit`.
- Is read after `EventsCleared` is processed.
- `Wait` waits until new events are available.
- `WaitUntil` waits until either new events are available or the provided time has been reached.
- `Poll` instantly resumes the event loop.
- `Exit` aborts the event loop.
- Takes a closure that implements `'static + FnMut(Event<T>, &EventLoop<T>, &mut ControlFlow)`.
- `&EventLoop<T>` is provided to allow new `Window`s to be created.
- **Major:** `platform::desktop` module exposes `EventLoopExtDesktop` trait with `run_return` method.
- Behaves identically to `run`, but returns control flow to the calling context and can take non-`'static` closures.
- `EventLoop`'s `poll_events` and `run_forever` methods have been removed in favor of `run` and `run_return`.
- Changes to events:
- Remove `Event::Awakened` in favor of `Event::UserEvent(T)`.
- Can be sent with `EventLoopProxy::send_event`.
- Rename `WindowEvent::Refresh` to `WindowEvent::RedrawRequested`.
- `RedrawRequested` can be sent by the user with the `Window::request_redraw` method.
- `EventLoop`, `EventLoopProxy`, and `Event` are now generic over `T`, for use in `UserEvent`.
- **Major:** Add `NewEvents(StartCause)`, `EventsCleared`, and `LoopDestroyed` variants to `Event`.
- `NewEvents` is emitted when new events are ready to be processed by event loop.
- `StartCause` describes why new events are available, with `ResumeTimeReached`, `Poll`, `WaitCancelled`, and `Init` (sent once at start of loop).
- `EventsCleared` is emitted when all available events have been processed.
- Can be used to perform logic that depends on all events being processed (e.g. an iteration of a game loop).
- `LoopDestroyed` is emitted when the `run` or `run_return` method is about to exit.
- Rename `MonitorId` to `MonitorHandle`.
- Removed `serde` implementations from `ControlFlow`.
- Rename several functions to improve both internal consistency and compliance with Rust API guidelines.
- Remove `WindowBuilder::multitouch` field, since it was only implemented on a few platforms. Multitouch is always enabled now.
- **Breaking:** On macOS, change `ns` identifiers to use snake_case for consistency with iOS's `ui` identifiers.
- Add `MonitorHandle::video_modes` method for retrieving supported video modes for the given monitor.
- On Wayland, the window now exists even if nothing has been drawn.
- On Windows, fix initial dimensions of a fullscreen window.
- On Windows, Fix transparent borderless windows rendering wrong.

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## 0.21.0
- On Windows, fixed "error: linking with `link.exe` failed: exit code: 1120" error on older versions of windows.
- On macOS, fix set_minimized(true) works only with decorations.
- On macOS, add `hide_application` to `EventLoopWindowTarget` via a new `EventLoopWindowTargetExtMacOS` trait. `hide_application` will hide the entire application by calling `-[NSApplication hide: nil]`.
- On macOS, fix not sending ReceivedCharacter event for specific keys combinations.
- On macOS, fix `CursorMoved` event reporting the cursor position using logical coordinates.
- On macOS, fix issue where unbundled applications would sometimes open without being focused.
- On macOS, fix `run_return` does not return unless it receives a message.
- On Windows, fix bug where `RedrawRequested` would only get emitted every other iteration of the event loop.
- On X11, fix deadlock on window state when handling certain window events.
- `WindowBuilder` now implements `Default`.
- **Breaking:** `WindowEvent::CursorMoved` changed to `f64` units, preserving high-precision data supplied by most backends
- On Wayland, fix coordinates in mouse events when scale factor isn't 1
- On Web, add the ability to provide a custom canvas
- **Breaking:** On Wayland, the `WaylandTheme` struct has been replaced with a `Theme` trait, allowing for extra configuration

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## 0.22.2
- Added Clone implementation for 'static events.
- On Windows, fix window intermittently hanging when `ControlFlow` was set to `Poll`.
- On Windows, fix `WindowBuilder::with_maximized` being ignored.
- On Android, minimal platform support.
- On iOS, touch positions are now properly converted to physical pixels.
- On macOS, updated core-* dependencies and cocoa
## 0.22.1
- On X11, fix `ResumeTimeReached` being fired too early.
- On Web, replaced zero timeout for `ControlFlow::Poll` with `requestAnimationFrame`
- On Web, fix a possible panic during event handling
- On macOS, fix `EventLoopProxy` leaking memory for every instance.
## 0.22.0
- On Windows, fix minor timing issue in wait_until_time_or_msg
- On Windows, rework handling of request_redraw() to address panics.
- On macOS, fix `set_simple_screen` to remember frame excluding title bar.
- On Wayland, fix coordinates in touch events when scale factor isn't 1.
- On Wayland, fix color from `close_button_icon_color` not applying.
- Ignore locale if unsupported by X11 backend
- On Wayland, Add HiDPI cursor support
- On Web, add the ability to query "Light" or "Dark" system theme send `ThemeChanged` on change.
- Fix `Event::to_static` returning `None` for user events.
- On Wayland, Hide CSD for fullscreen windows.
- On Windows, ignore spurious mouse move messages.
- **Breaking:** Move `ModifiersChanged` variant from `DeviceEvent` to `WindowEvent`.
- On Windows, add `IconExtWindows` trait which exposes creating an `Icon` from an external file or embedded resource
- Add `BadIcon::OsError` variant for when OS icon functionality fails
- On Windows, fix crash at startup on systems that do not properly support Windows' Dark Mode
- Revert On macOS, fix not sending ReceivedCharacter event for specific keys combinations.
- on macOS, fix incorrect ReceivedCharacter events for some key combinations.
- **Breaking:** Use `i32` instead of `u32` for position type in `WindowEvent::Moved`.
- On macOS, a mouse motion event is now generated before every mouse click.

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## 0.23.0
- On iOS, fixed support for the "Debug View Hierarchy" feature in Xcode.
- On all platforms, `available_monitors` and `primary_monitor` are now on `EventLoopWindowTarget` rather than `EventLoop` to list monitors event in the event loop.
- On Unix, X11 and Wayland are now optional features (enabled by default)
- On X11, fix deadlock when calling `set_fullscreen_inner`.
- On Web, prevent the webpage from scrolling when the user is focused on a winit canvas
- On Web, calling `window.set_cursor_icon` no longer breaks HiDPI scaling
- On Windows, drag and drop is now optional (enabled by default) and can be disabled with `WindowBuilderExtWindows::with_drag_and_drop(false)`.
- On Wayland, fix deadlock when calling to `set_inner_size` from a callback.
- On macOS, add `hide__other_applications` to `EventLoopWindowTarget` via existing `EventLoopWindowTargetExtMacOS` trait. `hide_other_applications` will hide other applications by calling `-[NSApplication hideOtherApplications: nil]`.
- On android added support for `run_return`.
- On MacOS, Fixed fullscreen and dialog support for `run_return`.
- On Windows, fix bug where we'd try to emit `MainEventsCleared` events during nested win32 event loops.
- On Web, use mouse events if pointer events aren't supported. This affects Safari.
- On Windows, `set_ime_position` is now a no-op instead of a runtime crash.
- On Android, `set_fullscreen` is now a no-op instead of a runtime crash.
- On iOS and Android, `set_inner_size` is now a no-op instead of a runtime crash.
- On Android, fix `ControlFlow::Poll` not polling the Android event queue.
- On macOS, add `NSWindow.hasShadow` support.
- On Web, fix vertical mouse wheel scrolling being inverted.
- On Web, implement mouse capturing for click-dragging out of the canvas.
- On Web, fix `ControlFlow::Exit` not properly handled.
- On Web (web-sys only), send `WindowEvent::ScaleFactorChanged` event when `window.devicePixelRatio` is changed.
- **Breaking:** On Web, `set_cursor_position` and `set_cursor_grab` will now always return an error.
- **Breaking:** `PixelDelta` scroll events now return a `PhysicalPosition`.
- On NetBSD, fixed crash due to incorrect detection of the main thread.
- **Breaking:** On X11, `-` key is mapped to the `Minus` virtual key code, instead of `Subtract`.
- On macOS, fix inverted horizontal scroll.
- **Breaking:** `current_monitor` now returns `Option<MonitorHandle>`.
- **Breaking:** `primary_monitor` now returns `Option<MonitorHandle>`.
- On macOS, updated core-* dependencies and cocoa.
- Bump `parking_lot` to 0.11
- On Android, bump `ndk`, `ndk-sys` and `ndk-glue` to 0.2. Checkout the new ndk-glue main proc attribute.
- On iOS, fixed starting the app in landscape where the view still had portrait dimensions.
- Deprecate the stdweb backend, to be removed in a future release
- **Breaking:** Prefixed virtual key codes `Add`, `Multiply`, `Divide`, `Decimal`, and `Subtract` with `Numpad`.
- Added `Asterisk` and `Plus` virtual key codes.
- On Web (web-sys only), the `Event::LoopDestroyed` event is correctly emitted when leaving the page.
- On Web, the `WindowEvent::Destroyed` event now gets emitted when a `Window` is dropped.
- On Web (web-sys only), the event listeners are now removed when a `Window` is dropped or when the event loop is destroyed.
- On Web, the event handler closure passed to `EventLoop::run` now gets dropped after the event loop is destroyed.
- **Breaking:** On Web, the canvas element associated to a `Window` is no longer removed from the DOM when the `Window` is dropped.
- On Web, `WindowEvent::Resized` is now emitted when `Window::set_inner_size` is called.
- **Breaking:** `Fullscreen` enum now uses `Borderless(Option<MonitorHandle>)` instead of `Borderless(MonitorHandle)` to allow picking the current monitor.
- On MacOS, fix `WindowEvent::Moved` ignoring the scale factor.
- On Wayland, add missing virtual keycodes.
- On Wayland, implement proper `set_cursor_grab`.
- On Wayland, the cursor will use similar icons if the requested one isn't available.
- On Wayland, right clicking on client side decorations will request application menu.
- On Wayland, fix tracking of window size after state changes.
- On Wayland, fix client side decorations not being hidden properly in fullscreen.
- On Wayland, fix incorrect size event when entering fullscreen with client side decorations.
- On Wayland, fix `resizable` attribute not being applied properly on startup.
- On Wayland, fix disabled repeat rate not being handled.
- On Wayland, fix decoration buttons not working after tty switch.
- On Wayland, fix scaling not being applied on output re-enable.
- On Wayland, fix crash when `XCURSOR_SIZE` is `0`.
- On Wayland, fix pointer getting created in some cases without pointer capability.
- On Wayland, on kwin, fix space between window and decorations on startup.
- **Breaking:** On Wayland, `Theme` trait was reworked.
- On Wayland, disable maximize button for non-resizable window.
- On Wayland, added support for `set_ime_position`.
- On Wayland, fix crash on startup since GNOME 3.37.90.
- On X11, fix incorrect modifiers state on startup.

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## 0.24.0
- On Windows, fix applications not exiting gracefully due to thread_event_target_callback accessing corrupted memory.
- On Windows, implement `Window::set_ime_position`.
- **Breaking:** On Windows, Renamed `WindowBuilderExtWindows`'s `is_dark_mode` to `theme`.
- **Breaking:** On Windows, renamed `WindowBuilderExtWindows::is_dark_mode` to `theme`.
- On Windows, add `WindowBuilderExtWindows::with_theme` to set a preferred theme.
- On Windows, fix bug causing message boxes to appear delayed.
- On Android, calling `WindowEvent::Focused` now works properly instead of always returning false.
- On Windows, fix Alt-Tab behaviour by removing borderless fullscreen "always on top" flag.
- On Windows, fix bug preventing windows with transparency enabled from having fully-opaque regions.
- **Breaking:** On Windows, include prefix byte in scancodes.
- On Wayland, fix window not being resizeable when using `WindowBuilder::with_min_inner_size`.
- On Unix, fix cross-compiling to wasm32 without enabling X11 or Wayland.
- On Windows, fix use-after-free crash during window destruction.
- On Web, fix `WindowEvent::ReceivedCharacter` never being sent on key input.
- On macOS, fix compilation when targeting aarch64.
- On X11, fix `Window::request_redraw` not waking the event loop.
- On Wayland, the keypad arrow keys are now recognized.
- **Breaking** Rename `desktop::EventLoopExtDesktop` to `run_return::EventLoopExtRunReturn`.
- Added `request_user_attention` method to `Window`.
- **Breaking:** On macOS, removed `WindowExt::request_user_attention`, use `Window::request_user_attention`.
- **Breaking:** On X11, removed `WindowExt::set_urgent`, use `Window::request_user_attention`.
- On Wayland, default font size in CSD increased from 11 to 17.
- On Windows, fix bug causing message boxes to appear delayed.
- On Android, support multi-touch.
- On Wayland, extra mouse buttons are not dropped anymore.
- **Breaking**: `MouseButton::Other` now uses `u16`.

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## 0.25.0
- **Breaking:** On macOS, replace `WindowBuilderExtMacOS::with_activation_policy` with `EventLoopExtMacOS::set_activation_policy`
- On macOS, wait with activating the application until the application has initialized.
- On macOS, fix creating new windows when the application has a main menu.
- On Windows, fix fractional deltas for mouse wheel device events.
- On macOS, fix segmentation fault after dropping the main window.
- On Android, `InputEvent::KeyEvent` is partially implemented providing the key scancode.
- Added `is_maximized` method to `Window`.
- On Windows, fix bug where clicking the decoration bar would make the cursor blink.
- On Windows, fix bug causing newly created windows to erroneously display the "wait" (spinning) cursor.
- On macOS, wake up the event loop immediately when a redraw is requested.
- On Windows, change the default window size (1024x768) to match the default on other desktop platforms (800x600).
- On Windows, fix bug causing mouse capture to not be released.
- On Windows, fix fullscreen not preserving minimized/maximized state.
- On Android, unimplemented events are marked as unhandled on the native event loop.
- On Windows, added `WindowBuilderExtWindows::with_menu` to set a custom menu at window creation time.
- On Android, bump `ndk` and `ndk-glue` to 0.3: use predefined constants for event `ident`.
- On macOS, fix objects captured by the event loop closure not being dropped on panic.
- On Windows, fixed `WindowEvent::ThemeChanged` not properly firing and fixed `Window::theme` returning the wrong theme.
- On Web, added support for `DeviceEvent::MouseMotion` to listen for relative mouse movements.
- Added `WindowBuilder::with_position` to allow setting the position of a `Window` on creation. Supported on Windows, macOS and X11.
- Added `Window::drag_window`. Implemented on Windows, macOS, X11 and Wayland.
- On X11, bump `mio` to 0.7.
- On Windows, added `WindowBuilderExtWindows::with_owner_window` to allow creating popup windows.
- On Windows, added `WindowExtWindows::set_enable` to allow creating modal popup windows.
- On macOS, emit `RedrawRequested` events immediately while the window is being resized.
- Implement `Default`, `Hash`, and `Eq` for `LogicalPosition`, `PhysicalPosition`, `LogicalSize`, and `PhysicalSize`.
- On macOS, initialize the Menu Bar with minimal defaults. (Can be prevented using `enable_default_menu_creation`)
- On macOS, change the default behavior for first click when the window was unfocused. Now the window becomes focused and then emits a `MouseInput` event on a "first mouse click".
- Implement mint (math interoperability standard types) conversions (under feature flag `mint`).

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## 0.26.1
- Fix linking to the `ColorSync` framework on macOS 10.7, and in newer Rust versions.
- On Web, implement cursor grabbing through the pointer lock API.
- On X11, add mappings for numpad comma, numpad enter, numlock and pause.
- On macOS, fix Pinyin IME input by reverting a change that intended to improve IME.
- On Windows, fix a crash with transparent windows on Windows 11.
## 0.26.0
- Update `raw-window-handle` to `v0.4`. This is _not_ a breaking change, we still implement `HasRawWindowHandle` from `v0.3`, see [rust-windowing/raw-window-handle#74](https://github.com/rust-windowing/raw-window-handle/pull/74). Note that you might have to run `cargo update -p raw-window-handle` after upgrading.
- On X11, bump `mio` to 0.8.
- On Android, fixed `WindowExtAndroid::config` initially returning an empty `Configuration`.
- On Android, fixed `Window::scale_factor` and `MonitorHandle::scale_factor` initially always returning 1.0.
- On X11, select an appropriate visual for transparency if is requested
- On Wayland and X11, fix diagonal window resize cursor orientation.
- On macOS, drop the event callback before exiting.
- On Android, implement `Window::request_redraw`
- **Breaking:** On Web, remove the `stdweb` backend.
- Added `Window::focus_window`to bring the window to the front and set input focus.
- On Wayland and X11, implement `is_maximized` method on `Window`.
- On Windows, prevent ghost window from showing up in the taskbar after either several hours of use or restarting `explorer.exe`.
- On macOS, fix issue where `ReceivedCharacter` was not being emitted during some key repeat events.
- On Wayland, load cursor icons `hand2` and `hand1` for `CursorIcon::Hand`.
- **Breaking:** On Wayland, Theme trait and its support types are dropped.
- On Wayland, bump `smithay-client-toolkit` to 0.15.1.
- On Wayland, implement `request_user_attention` with `xdg_activation_v1`.
- On X11, emit missing `WindowEvent::ScaleFactorChanged` when the only monitor gets reconnected.
- On X11, if RANDR based scale factor is higher than 20 reset it to 1
- On Wayland, add an enabled-by-default feature called `wayland-dlopen` so users can opt out of using `dlopen` to load system libraries.
- **Breaking:** On Android, bump `ndk` and `ndk-glue` to 0.5.
- On Windows, increase wait timer resolution for more accurate timing when using `WaitUntil`.
- On macOS, fix native file dialogs hanging the event loop.
- On Wayland, implement a workaround for wrong configure size when using `xdg_decoration` in `kwin_wayland`
- On macOS, fix an issue that prevented the menu bar from showing in borderless fullscreen mode.
- On X11, EINTR while polling for events no longer causes a panic. Instead it will be treated as a spurious wakeup.

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## 0.27.5
- On Wayland, fix byte offset in `Ime::Preedit` pointing to invalid bytes.
## 0.27.4
- On Windows, emit `ReceivedCharacter` events on system keybindings.
- On Windows, fixed focus event emission on minimize.
- On X11, fixed IME crashing during reload.
## 0.27.3
- On Windows, added `WindowExtWindows::set_undecorated_shadow` and `WindowBuilderExtWindows::with_undecorated_shadow` to draw the drop shadow behind a borderless window.
- On Windows, fixed default window features (ie snap, animations, shake, etc.) when decorations are disabled.
- On Windows, fixed ALT+Space shortcut to open window menu.
- On Wayland, fixed `Ime::Preedit` not being sent on IME reset.
- Fixed unbound version specified for `raw-window-handle` leading to compilation failures.
- Empty `Ime::Preedit` event will be sent before `Ime::Commit` to help clearing preedit.
- On X11, fixed IME context picking by querying for supported styles beforehand.
## 0.27.2
- On macOS, fixed touch phase reporting when scrolling.
- On X11, fix min, max and resize increment hints not persisting for resizable windows (e.g. on DPI change).
- On Windows, respect min/max inner sizes when creating the window.
- For backwards compatibility, `Window` now (additionally) implements the old version (`0.4`) of the `HasRawWindowHandle` trait
- On Windows, added support for `EventLoopWindowTarget::set_device_event_filter`.
- On Wayland, fix user requested `WindowEvent::RedrawRequested` being delayed by a frame.
## 0.27.1
- The minimum supported Rust version was lowered to `1.57.0` and now explicitly tested.
- On X11, fix crash on start due to inability to create an IME context without any preedit.
## 0.27.0
- On Windows, fix hiding a maximized window.
- On Android, `ndk-glue`'s `NativeWindow` lock is now held between `Event::Resumed` and `Event::Suspended`.
- On Web, added `EventLoopExtWebSys` with a `spawn` method to start the event loop without throwing an exception.
- Added `WindowEvent::Occluded(bool)`, currently implemented on macOS and X11.
- On X11, fix events for caps lock key not being sent
- Build docs on `docs.rs` for iOS and Android as well.
- **Breaking:** Removed the `WindowAttributes` struct, since all its functionality is accessible from `WindowBuilder`.
- Added `WindowBuilder::transparent` getter to check if the user set `transparent` attribute.
- On macOS, Fix emitting `Event::LoopDestroyed` on CMD+Q.
- On macOS, fixed an issue where having multiple windows would prevent run_return from ever returning.
- On Wayland, fix bug where the cursor wouldn't hide in GNOME.
- On macOS, Windows, and Wayland, add `set_cursor_hittest` to let the window ignore mouse events.
- On Windows, added `WindowExtWindows::set_skip_taskbar` and `WindowBuilderExtWindows::with_skip_taskbar`.
- On Windows, added `EventLoopBuilderExtWindows::with_msg_hook`.
- On Windows, remove internally unique DC per window.
- On macOS, remove the need to call `set_ime_position` after moving the window.
- Added `Window::is_visible`.
- Added `Window::is_resizable`.
- Added `Window::is_decorated`.
- On X11, fix for repeated event loop iteration when `ControlFlow` was `Wait`
- On X11, fix scale factor calculation when the only monitor is reconnected
- On Wayland, report unaccelerated mouse deltas in `DeviceEvent::MouseMotion`.
- On Web, a focused event is manually generated when a click occurs to emulate behaviour of other backends.
- **Breaking:** Bump `ndk` version to 0.6, ndk-sys to `v0.3`, `ndk-glue` to `0.6`.
- Remove no longer needed `WINIT_LINK_COLORSYNC` environment variable.
- **Breaking:** Rename the `Exit` variant of `ControlFlow` to `ExitWithCode`, which holds a value to control the exit code after running. Add an `Exit` constant which aliases to `ExitWithCode(0)` instead to avoid major breakage. This shouldn't affect most existing programs.
- Add `EventLoopBuilder`, which allows you to create and tweak the settings of an event loop before creating it.
- Deprecated `EventLoop::with_user_event`; use `EventLoopBuilder::with_user_event` instead.
- **Breaking:** Replaced `EventLoopExtMacOS` with `EventLoopBuilderExtMacOS` (which also has renamed methods).
- **Breaking:** Replaced `EventLoopExtWindows` with `EventLoopBuilderExtWindows` (which also has renamed methods).
- **Breaking:** Replaced `EventLoopExtUnix` with `EventLoopBuilderExtUnix` (which also has renamed methods).
- **Breaking:** The platform specific extensions for Windows `winit::platform::windows` have changed. All `HANDLE`-like types e.g. `HWND` and `HMENU` were converted from winapi types or `*mut c_void` to `isize`. This was done to be consistent with the type definitions in windows-sys and to not expose internal dependencies.
- The internal bindings to the [Windows API](https://docs.microsoft.com/en-us/windows/) were changed from the unofficial [winapi](https://github.com/retep998/winapi-rs) bindings to the official Microsoft [windows-sys](https://github.com/microsoft/windows-rs) bindings.
- On Wayland, fix polling during consecutive `EventLoop::run_return` invocations.
- On Windows, fix race issue creating fullscreen windows with `WindowBuilder::with_fullscreen`
- On Android, `virtual_keycode` for `KeyboardInput` events is now filled in where a suitable match is found.
- Added helper methods on `ControlFlow` to set its value.
- On Wayland, fix `TouchPhase::Ended` always reporting the location of the first touch down, unless the compositor
sent a cancel or frame event.
- On iOS, send `RedrawEventsCleared` even if there are no redraw events, consistent with other platforms.
- **Breaking:** Replaced `Window::with_app_id` and `Window::with_class` with `Window::with_name` on `WindowBuilderExtUnix`.
- On Wayland, fallback CSD was replaced with proper one:
- `WindowBuilderExtUnix::with_wayland_csd_theme` to set color theme in builder.
- `WindowExtUnix::wayland_set_csd_theme` to set color theme when creating a window.
- `WINIT_WAYLAND_CSD_THEME` env variable was added, it can be used to set "dark"/"light" theme in apps that don't expose theme setting.
- `wayland-csd-adwaita` feature that enables proper CSD with title rendering using FreeType system library.
- `wayland-csd-adwaita-notitle` feature that enables CSD but without title rendering.
- On Wayland and X11, fix window not resizing with `Window::set_inner_size` after calling `Window:set_resizable(false)`.
- On Windows, fix wrong fullscreen monitors being recognized when handling WM_WINDOWPOSCHANGING messages
- **Breaking:** Added new `WindowEvent::Ime` supported on desktop platforms.
- Added `Window::set_ime_allowed` supported on desktop platforms.
- **Breaking:** IME input on desktop platforms won't be received unless it's explicitly allowed via `Window::set_ime_allowed` and new `WindowEvent::Ime` events are handled.
- On macOS, `WindowEvent::Resized` is now emitted in `frameDidChange` instead of `windowDidResize`.
- **Breaking:** On X11, device events are now ignored for unfocused windows by default, use `EventLoopWindowTarget::set_device_event_filter` to set the filter level.
- Implemented `Default` on `EventLoop<()>`.
- Implemented `Eq` for `Fullscreen`, `Theme`, and `UserAttentionType`.
- **Breaking:** `Window::set_cursor_grab` now accepts `CursorGrabMode` to control grabbing behavior.
- On Wayland, add support for `Window::set_cursor_position`.
- Fix on macOS `WindowBuilder::with_disallow_hidpi`, setting true or false by the user no matter the SO default value.
- `EventLoopBuilder::build` will now panic when the `EventLoop` is being created more than once.
- Added `From<u64>` for `WindowId` and `From<WindowId>` for `u64`.
- Added `MonitorHandle::refresh_rate_millihertz` to get monitor's refresh rate.
- **Breaking**, Replaced `VideoMode::refresh_rate` with `VideoMode::refresh_rate_millihertz` providing better precision.
- On Web, add `with_prevent_default` and `with_focusable` to `WindowBuilderExtWebSys` to control whether events should be propagated.
- On Windows, fix focus events being sent to inactive windows.
- **Breaking**, update `raw-window-handle` to `v0.5` and implement `HasRawDisplayHandle` for `Window` and `EventLoopWindowTarget`.
- On X11, add function `register_xlib_error_hook` into `winit::platform::unix` to subscribe for errors coming from Xlib.
- On Android, upgrade `ndk` and `ndk-glue` dependencies to the recently released `0.7.0`.
- All platforms can now be relied on to emit a `Resumed` event. Applications are recommended to lazily initialize graphics state and windows on first resume for portability.
- **Breaking:**: Reverse horizontal scrolling sign in `MouseScrollDelta` to match the direction of vertical scrolling. A positive X value now means moving the content to the right. The meaning of vertical scrolling stays the same: a positive Y value means moving the content down.
- On MacOS, fix deadlock when calling `set_maximized` from event loop.

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## 0.28.7
- Fix window size sometimes being invalid when resizing on macOS 14 Sonoma.
## 0.28.6
- On macOS, fixed memory leak when getting monitor handle.
- On macOS, fix `Backspace` being emitted when clearing preedit with it.
## 0.28.5
- On macOS, fix `key_up` being ignored when `Ime` is disabled.
## 0.28.4
- On macOS, fix empty marked text blocking regular input.
- On macOS, fix potential panic when getting refresh rate.
- On macOS, fix crash when calling `Window::set_ime_position` from another thread.
## 0.28.3
- Fix macOS memory leaks.
## 0.28.2
- Implement `HasRawDisplayHandle` for `EventLoop`.
- On macOS, set resize increments only for live resizes.
- On Wayland, fix rare crash on DPI change
- Web: Added support for `Window::theme`.
- On Wayland, fix rounding issues when doing resize.
- On macOS, fix wrong focused state on startup.
- On Windows, fix crash on setting taskbar when using Visual Studio debugger.
- On macOS, resize simple fullscreen windows on windowDidChangeScreen events.
## 0.28.1
- On Wayland, fix crash when dropping a window in multi-window setup.
## 0.28.0
- On macOS, fixed `Ime::Commit` persisting for all input after interacting with `Ime`.
- On macOS, added `WindowExtMacOS::option_as_alt` and `WindowExtMacOS::set_option_as_alt`.
- On Windows, fix window size for maximized, undecorated windows.
- On Windows and macOS, add `WindowBuilder::with_active`.
- Add `Window::is_minimized`.
- On X11, fix errors handled during `register_xlib_error_hook` invocation bleeding into winit.
- Add `Window::has_focus`.
- On Windows, fix `Window::set_minimized(false)` not working for windows minimized by `Win + D` hotkey.
- **Breaking:** On Web, touch input no longer fires `WindowEvent::Cursor*`, `WindowEvent::MouseInput`, or `DeviceEvent::MouseMotion` like other platforms, but instead it fires `WindowEvent::Touch`.
- **Breaking:** Removed platform specific `WindowBuilder::with_parent` API in favor of `WindowBuilder::with_parent_window`.
- On Windows, retain `WS_MAXIMIZE` window style when un-minimizing a maximized window.
- On Windows, fix left mouse button release event not being sent after `Window::drag_window`.
- On macOS, run most actions on the main thread, which is strictly more correct, but might make multithreaded applications block slightly more.
- On macOS, fix panic when getting current monitor without any monitor attached.
- On Windows and MacOS, add API to enable/disable window buttons (close, minimize, ...etc).
- On Windows, macOS, X11 and Wayland, add `Window::set_theme`.
- **Breaking:** Remove `WindowExtWayland::wayland_set_csd_theme` and `WindowBuilderExtX11::with_gtk_theme_variant`.
- On Windows, revert window background to an empty brush to avoid white flashes when changing scaling.
- **Breaking:** Removed `Window::set_always_on_top` and related APIs in favor of `Window::set_window_level`.
- On Windows, MacOS and X11, add always on bottom APIs.
- On Windows, fix the value in `MouseButton::Other`.
- On macOS, add `WindowExtMacOS::is_document_edited` and `WindowExtMacOS::set_document_edited` APIs.
- **Breaking:** Removed `WindowBuilderExtIOS::with_root_view_class`; instead, you should use `[[view layer] addSublayer: ...]` to add an instance of the desired layer class (e.g. `CAEAGLLayer` or `CAMetalLayer`). See `vulkano-win` or `wgpu` for examples of this.
- On MacOS and Windows, add `Window::set_content_protected`.
- On MacOS, add `EventLoopBuilderExtMacOS::with_activate_ignoring_other_apps`.
- On Windows, fix icons specified on `WindowBuilder` not taking effect for windows created after the first one.
- On Windows and macOS, add `Window::title` to query the current window title.
- On Windows, fix focusing menubar when pressing `Alt`.
- On MacOS, made `accepts_first_mouse` configurable.
- Migrated `WindowBuilderExtUnix::with_resize_increments` to `WindowBuilder`.
- Added `Window::resize_increments`/`Window::set_resize_increments` to update resize increments at runtime for X11/macOS.
- macOS/iOS: Use `objc2` instead of `objc` internally.
- **Breaking:** Bump MSRV from `1.57` to `1.60`.
- **Breaking:** Split the `platform::unix` module into `platform::x11` and `platform::wayland`. The extension types are similarly renamed.
- **Breaking:**: Removed deprecated method `platform::unix::WindowExtUnix::is_ready`.
- Removed `parking_lot` dependency.
- **Breaking:** On macOS, add support for two-finger touchpad magnification and rotation gestures with new events `WindowEvent::TouchpadMagnify` and `WindowEvent::TouchpadRotate`. Also add support for touchpad smart-magnification gesture with a new event `WindowEvent::SmartMagnify`.
- **Breaking:** On web, the `WindowBuilderExtWebSys::with_prevent_default` setting (enabled by default), now additionally prevents scrolling of the webpage in mobile browsers, previously it only disabled scrolling on desktop.
- On Wayland, `wayland-csd-adwaita` now uses `ab_glyph` instead of `crossfont` to render the title for decorations.
- On Wayland, a new `wayland-csd-adwaita-crossfont` feature was added to use `crossfont` instead of `ab_glyph` for decorations.
- On Wayland, if not otherwise specified use upstream automatic CSD theme selection.
- On X11, added `WindowExtX11::with_parent` to create child windows.
- Added support for `WindowBuilder::with_theme` and `Window::theme` to support per-window dark/light/system theme configuration on macos, windows and wayland.
- On macOS, added support for `WindowEvent::ThemeChanged`.
- **Breaking:** Removed `WindowBuilderExtWindows::with_theme` and `WindowBuilderExtWayland::with_wayland_csd_theme` in favour of `WindowBuilder::with_theme`.
- **Breaking:** Removed `WindowExtWindows::theme` in favour of `Window::theme`.
- Enabled `doc_auto_cfg` when generating docs on docs.rs for feature labels.
- **Breaking:** On Android, switched to using [`android-activity`](https://github.com/rib/android-activity) crate as a glue layer instead of [`ndk-glue`](https://github.com/rust-windowing/android-ndk-rs/tree/master/ndk-glue). See [README.md#Android](https://github.com/rust-windowing/winit#Android) for more details. ([#2444](https://github.com/rust-windowing/winit/pull/2444))
- **Breaking:** Removed support for `raw-window-handle` version `0.4`
- On Wayland, `RedrawRequested` not emitted during resize.
- Add a `set_wait_timeout` function to `ControlFlow` to allow waiting for a `Duration`.
- **Breaking:** Remove the unstable `xlib_xconnection()` function from the private interface.
- Added Orbital support for Redox OS
- On X11, added `drag_resize_window` method.
- Added `Window::set_transparent` to provide a hint about transparency of the window on Wayland and macOS.
- On macOS, fix the mouse buttons other than left/right/middle being reported as middle.
- On Wayland, support fractional scaling via the wp-fractional-scale protocol.
- On web, fix removal of mouse event listeners from the global object upon window destruction.
- Add WindowAttributes getter to WindowBuilder to allow introspection of default values.
- Added `Window::set_ime_purpose` for setting the IME purpose, currently implemented on Wayland only.

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## 0.29.15
- On X11, fix crash due to xsettings query on systems with incomplete xsettings.
## 0.29.14
- On X11/Wayland, fix `text` and `text_with_all_modifiers` not being `None` during compose.
- On Wayland, don't reapply cursor grab when unchanged.
- On X11, fix a bug where some mouse events would be unexpectedly filtered out.
## 0.29.13
- On Web, fix possible crash with `ControlFlow::Wait` and `ControlFlow::WaitUntil`.
## 0.29.12
- On X11, fix use after free during xinput2 handling.
- On X11, filter close to zero values in mouse device events
## 0.29.11
- Fix compatibility with 32-bit platforms without 64-bit atomics.
- On macOS, fix incorrect IME cursor rect origin.
- On Windows, fixed a race condition when sending an event through the loop proxy.
- On X11, fix swapped instance and general class names.
- On X11, don't require XIM to run.
- On X11, fix xkb state not being updated correctly sometimes leading to wrong input.
- On X11, reload dpi on `_XSETTINGS_SETTINGS` update.
- On X11, fix deadlock when adjusting DPI and resizing at the same time.
- On Wayland, disable `Occluded` event handling.
- On Wayland, fix DeviceEvent::Motion not being sent
- On Wayland, fix `Focused(false)` being send when other seats still have window focused.
- On Wayland, fix `Window::set_{min,max}_inner_size` not always applied.
- On Wayland, fix title in CSD not updated from `AboutToWait`.
- On Windows, fix inconsistent resizing behavior with multi-monitor setups when repositioning outside the event loop.
- On Wayland, fix `WAYLAND_SOCKET` not used when detecting platform.
- On Orbital, fix `logical_key` and `text` not reported in `KeyEvent`.
- On Orbital, implement `KeyEventExtModifierSupplement`.
- On Orbital, map keys to `NamedKey` when possible.
- On Orbital, implement `set_cursor_grab`.
- On Orbital, implement `set_cursor_visible`.
- On Orbital, implement `drag_window`.
- On Orbital, implement `drag_resize_window`.
- On Orbital, implement `set_transparent`.
- On Orbital, implement `set_visible`.
- On Orbital, implement `is_visible`.
- On Orbital, implement `set_resizable`.
- On Orbital, implement `is_resizable`.
- On Orbital, implement `set_maximized`.
- On Orbital, implement `is_maximized`.
- On Orbital, implement `set_decorations`.
- On Orbital, implement `is_decorated`.
- On Orbital, implement `set_window_level`.
- On Orbital, emit `DeviceEvent::MouseMotion`.
## 0.29.10
- On Web, account for canvas being focused already before event loop starts.
- On Web, increase cursor position accuracy.
## 0.29.9
- On X11, fix `NotSupported` error not propagated when creating event loop.
- On Wayland, fix resize not issued when scale changes
- On X11 and Wayland, fix arrow up on keypad reported as `ArrowLeft`.
- On macOS, report correct logical key when Ctrl or Cmd is pressed.
## 0.29.8
- On X11, fix IME input lagging behind.
- On X11, fix `ModifiersChanged` not sent from xdotool-like input
- On X11, fix keymap not updated from xmodmap.
- On X11, reduce the amount of time spent fetching screen resources.
- On Wayland, fix `Window::request_inner_size` being overwritten by resize.
- On Wayland, fix `Window::inner_size` not using the correct rounding.
## 0.29.7
- On X11, fix `Xft.dpi` reload during runtime.
- On X11, fix window minimize.
## 0.29.6
- On Web, fix context menu not being disabled by `with_prevent_default(true)`.
- On Wayland, fix `WindowEvent::Destroyed` not being delivered after destroying window.
- Fix `EventLoopExtRunOnDemand::run_on_demand` not working for consequent invocation
## 0.29.5
- On macOS, remove spurious error logging when handling `Fn`.
- On X11, fix an issue where floating point data from the server is
misinterpreted during a drag and drop operation.
- On X11, fix a bug where focusing the window would panic.
- On macOS, fix `refresh_rate_millihertz`.
- On Wayland, disable Client Side Decorations when `wl_subcompositor` is not supported.
- On X11, fix `Xft.dpi` detection from Xresources.
- On Windows, fix consecutive calls to `window.set_fullscreen(Some(Fullscreen::Borderless(None)))` resulting in losing previous window state when eventually exiting fullscreen using `window.set_fullscreen(None)`.
- On Wayland, fix resize being sent on focus change.
- On Windows, fix `set_ime_cursor_area`.
## 0.29.4
- Fix crash when running iOS app on macOS.
- On X11, check common alternative cursor names when loading cursor.
- On X11, reload the DPI after a property change event.
- On Windows, fix so `drag_window` and `drag_resize_window` can be called from another thread.
- On Windows, fix `set_control_flow` in `AboutToWait` not being taken in account.
- On macOS, send a `Resized` event after each `ScaleFactorChanged` event.
- On Wayland, fix `wl_surface` being destroyed before associated objects.
- On macOS, fix assertion when pressing `Fn` key.
- On Windows, add `WindowBuilderExtWindows::with_clip_children` to control `WS_CLIPCHILDREN` style.
## 0.29.3
- On Wayland, apply correct scale to `PhysicalSize` passed in `WindowBuilder::with_inner_size` when possible.
- On Wayland, fix `RedrawRequested` being always sent without decorations and `sctk-adwaita` feature.
- On Wayland, ignore resize requests when the window is fully tiled.
- On Wayland, use `configure_bounds` to constrain `with_inner_size` when compositor wants users to pick size.
- On Windows, fix deadlock when accessing the state during `Cursor{Enter,Leave}`.
- On Windows, add support for `Window::set_transparent`.
- On macOS, fix deadlock when entering a nested event loop from an event handler.
- On macOS, add support for `Window::set_blur`.
## 0.29.2
- **Breaking:** Bump MSRV from `1.60` to `1.65`.
- **Breaking:** Add `Event::MemoryWarning`; implemented on iOS/Android.
- **Breaking:** Bump `ndk` version to `0.8.0`, ndk-sys to `0.5.0`, `android-activity` to `0.5.0`.
- **Breaking:** Change default `ControlFlow` from `Poll` to `Wait`.
- **Breaking:** Move `Event::RedrawRequested` to `WindowEvent::RedrawRequested`.
- **Breaking:** Moved `ControlFlow::Exit` to `EventLoopWindowTarget::exit()` and `EventLoopWindowTarget::exiting()` and removed `ControlFlow::ExitWithCode(_)` entirely.
- **Breaking:** Moved `ControlFlow` to `EventLoopWindowTarget::set_control_flow()` and `EventLoopWindowTarget::control_flow()`.
- **Breaking:** `EventLoop::new` and `EventLoopBuilder::build` now return `Result<Self, EventLoopError>`
- **Breaking:** `WINIT_UNIX_BACKEND` was removed in favor of standard `WAYLAND_DISPLAY` and `DISPLAY` variables.
- **Breaking:** on Wayland, dispatching user created Wayland queue won't wake up the loop unless winit has event to send back.
- **Breaking:** remove `DeviceEvent::Text`.
- **Breaking:** Remove lifetime parameter from `Event` and `WindowEvent`.
- **Breaking:** Rename `Window::set_inner_size` to `Window::request_inner_size` and indicate if the size was applied immediately.
- **Breaking:** `ActivationTokenDone` event which could be requested with the new `startup_notify` module, see its docs for more.
- **Breaking:** `ScaleFactorChanged` now contains a writer instead of a reference to update inner size.
- **Breaking** `run() -> !` has been replaced by `run() -> Result<(), EventLoopError>` for returning errors without calling `std::process::exit()` ([#2767](https://github.com/rust-windowing/winit/pull/2767))
- **Breaking** Removed `EventLoopExtRunReturn` / `run_return` in favor of `EventLoopExtPumpEvents` / `pump_events` and `EventLoopExtRunOnDemand` / `run_on_demand` ([#2767](https://github.com/rust-windowing/winit/pull/2767))
- `RedrawRequested` is no longer guaranteed to be emitted after `MainEventsCleared`, it is now platform-specific when the event is emitted after being requested via `redraw_request()`.
- On Windows, `RedrawRequested` is now driven by `WM_PAINT` messages which are requested via `redraw_request()`
- **Breaking** `LoopDestroyed` renamed to `LoopExiting` ([#2900](https://github.com/rust-windowing/winit/issues/2900))
- **Breaking** `RedrawEventsCleared` removed ([#2900](https://github.com/rust-windowing/winit/issues/2900))
- **Breaking** `MainEventsCleared` removed ([#2900](https://github.com/rust-windowing/winit/issues/2900))
- **Breaking:** Remove all deprecated `modifiers` fields.
- **Breaking:** Rename `DeviceEventFilter` to `DeviceEvents` reversing the behavior of variants.
- **Breaking** Add `AboutToWait` event which is emitted when the event loop is about to block and wait for new events ([#2900](https://github.com/rust-windowing/winit/issues/2900))
- **Breaking:** Rename `EventLoopWindowTarget::set_device_event_filter` to `listen_device_events`.
- **Breaking:** Rename `Window::set_ime_position` to `Window::set_ime_cursor_area` adding a way to set exclusive zone.
- **Breaking:** `with_x11_visual` now takes the visual ID instead of the bare pointer.
- **Breaking** `MouseButton` now supports `Back` and `Forward` variants, emitted from mouse events on Wayland, X11, Windows, macOS and Web.
- **Breaking:** On Web, `instant` is now replaced by `web_time`.
- **Breaking:** On Web, dropped support for Safari versions below 13.1.
- **Breaking:** On Web, the canvas output bitmap size is no longer adjusted.
- **Breaking:** On Web, the canvas size is not controlled by Winit anymore and external changes to the canvas size will be reported through `WindowEvent::Resized`.
- **Breaking:** Updated `bitflags` crate version to `2`, which changes the API on exposed types.
- **Breaking:** `CursorIcon::Arrow` was removed.
- **Breaking:** `CursorIcon::Hand` is now named `CursorIcon::Pointer`.
- **Breaking:** `CursorIcon` is now used from the `cursor-icon` crate.
- **Breaking:** `WindowExtWebSys::canvas()` now returns an `Option`.
- **Breaking:** Overhaul keyboard input handling.
- Replace `KeyboardInput` with `KeyEvent` and `RawKeyEvent`.
- Change `WindowEvent::KeyboardInput` to contain a `KeyEvent`.
- Change `Event::Key` to contain a `RawKeyEvent`.
- Remove `Event::ReceivedCharacter`. In its place, you should use
`KeyEvent.text` in combination with `WindowEvent::Ime`.
- Replace `VirtualKeyCode` with the `Key` enum.
- Replace `ScanCode` with the `KeyCode` enum.
- Rename `ModifiersState::LOGO` to `SUPER` and `ModifiersState::CTRL` to `CONTROL`.
- Add `PhysicalKey` wrapping `KeyCode` and `NativeKeyCode`.
- Add `KeyCode` to refer to keys (roughly) by their physical location.
- Add `NativeKeyCode` to represent raw `KeyCode`s which Winit doesn't
understand.
- Add `Key` to represent the keys after they've been interpreted by the
active (software) keyboard layout.
- Add `NamedKey` to represent the categorized keys.
- Add `NativeKey` to represent raw `Key`s which Winit doesn't understand.
- Add `KeyLocation` to tell apart `Key`s which usually "mean" the same thing,
but can appear simultaneously in different spots on the same keyboard
layout.
- Add `Window::reset_dead_keys` to enable application-controlled cancellation
of dead key sequences.
- Add `KeyEventExtModifierSupplement` to expose additional (and less
portable) interpretations of a given key-press.
- Add `PhysicalKeyExtScancode`, which lets you convert between scancodes and
`PhysicalKey`.
- `ModifiersChanged` now uses dedicated `Modifiers` struct.
- Removed platform-specific extensions that should be retrieved through `raw-window-handle` trait implementations instead:
- `platform::windows::HINSTANCE`.
- `WindowExtWindows::hinstance`.
- `WindowExtWindows::hwnd`.
- `WindowExtIOS::ui_window`.
- `WindowExtIOS::ui_view_controller`.
- `WindowExtIOS::ui_view`.
- `WindowExtMacOS::ns_window`.
- `WindowExtMacOS::ns_view`.
- `EventLoopWindowTargetExtWayland::wayland_display`.
- `WindowExtWayland::wayland_surface`.
- `WindowExtWayland::wayland_display`.
- `WindowExtX11::xlib_window`.
- `WindowExtX11::xlib_display`.
- `WindowExtX11::xlib_screen_id`.
- `WindowExtX11::xcb_connection`.
- Reexport `raw-window-handle` in `window` module.
- Add `ElementState::is_pressed`.
- Add `Window::pre_present_notify` to notify winit before presenting to the windowing system.
- Add `Window::set_blur` to request a blur behind the window; implemented on Wayland for now.
- Add `Window::show_window_menu` to request a titlebar/system menu; implemented on Wayland/Windows for now.
- Implement `AsFd`/`AsRawFd` for `EventLoop<T>` on X11 and Wayland.
- Implement `PartialOrd` and `Ord` for `MouseButton`.
- Implement `PartialOrd` and `Ord` on types in the `dpi` module.
- Make `WindowBuilder` `Send + Sync`.
- Make iOS `MonitorHandle` and `VideoMode` usable from other threads.
- Make iOS windows usable from other threads.
- On Android, add force data to touch events.
- On Android, added `EventLoopBuilderExtAndroid::handle_volume_keys` to indicate that the application will handle the volume keys manually.
- On Android, fix `DeviceId` to contain device id's.
- On Orbital, fix `ModifiersChanged` not being sent.
- On Wayland, `Window::outer_size` now accounts for **client side** decorations.
- On Wayland, add `Window::drag_resize_window` method.
- On Wayland, remove `WINIT_WAYLAND_CSD_THEME` variable.
- On Wayland, fix `TouchPhase::Canceled` being sent for moved events.
- On Wayland, fix forward compatibility issues.
- On Wayland, fix initial window size not restored for maximized/fullscreened on startup window.
- On Wayland, fix maximized startup not taking full size on GNOME.
- On Wayland, fix maximized window creation and window geometry handling.
- On Wayland, fix window not checking that it actually got initial configure event.
- On Wayland, make double clicking and moving the CSD frame more reliable.
- On Wayland, support `Occluded` event with xdg-shell v6
- On Wayland, use frame callbacks to throttle `RedrawRequested` events so redraws will align with compositor.
- On Web, `ControlFlow::WaitUntil` now uses the Prioritized Task Scheduling API. `setTimeout()`, with a trick to circumvent throttling to 4ms, is used as a fallback.
- On Web, `EventLoopProxy` now implements `Send`.
- On Web, `Window` now implements `Send` and `Sync`.
- On Web, account for CSS `padding`, `border`, and `margin` when getting or setting the canvas position.
- On Web, add Fullscreen API compatibility for Safari.
- On Web, add `DeviceEvent::Motion`, `DeviceEvent::MouseWheel`, `DeviceEvent::Button` and `DeviceEvent::Key` support.
- On Web, add `EventLoopWindowTargetExtWebSys` and `PollStrategy`, which allows to set different strategies for `ControlFlow::Poll`. By default the Prioritized Task Scheduling API is used, but an option to use `Window.requestIdleCallback` is available as well. Both use `setTimeout()`, with a trick to circumvent throttling to 4ms, as a fallback.
- On Web, add `WindowBuilderExtWebSys::with_append()` to append the canvas element to the web page on creation.
- On Web, allow event loops to be recreated with `spawn`.
- On Web, enable event propagation.
- On Web, fix `ControlFlow::WaitUntil` to never wake up **before** the given time.
- On Web, fix `DeviceEvent::MouseMotion` only being emitted for each canvas instead of the whole window.
- On Web, fix `Window:::set_fullscreen` doing nothing when called outside the event loop but during transient activation.
- On Web, fix pen treated as mouse input.
- On Web, fix pointer button events not being processed when a buttons is already pressed.
- On Web, fix scale factor resize suggestion always overwriting the canvas size.
- On Web, fix some `WindowBuilder` methods doing nothing.
- On Web, fix some `Window` methods using incorrect HTML attributes instead of CSS properties.
- On Web, fix the bfcache by not using the `beforeunload` event and map bfcache loading/unloading to `Suspended`/`Resumed` events.
- On Web, fix touch input not gaining or loosing focus.
- On Web, fix touch location to be as accurate as mouse position.
- On Web, handle coalesced pointer events, which increases the resolution of pointer inputs.
- On Web, implement `Window::focus_window()`.
- On Web, implement `Window::set_(min|max)_inner_size()`.
- On Web, implement `WindowEvent::Occluded`.
- On Web, never return a `MonitorHandle`.
- On Web, prevent clicks on the canvas to select text.
- On Web, remove any fullscreen requests from the queue when an external fullscreen activation was detected.
- On Web, remove unnecessary `Window::is_dark_mode()`, which was replaced with `Window::theme()`.
- On Web, respect `EventLoopWindowTarget::listen_device_events()` settings.
- On Web, scale factor and dark mode detection are now more robust.
- On Web, send mouse position on button release as well.
- On Web, take all transient activations on the canvas and window into account to queue a fullscreen request.
- On Web, use `Window.requestAnimationFrame()` to throttle `RedrawRequested` events.
- On Web, use the correct canvas size when calculating the new size during scale factor change, instead of using the output bitmap size.
- On Web: fix `Window::request_redraw` not waking the event loop when called from outside the loop.
- On Web: fix position of touch events to be relative to the canvas.
- On Windows, add `drag_resize_window` method support.
- On Windows, add horizontal MouseWheel `DeviceEvent`.
- On Windows, added `WindowBuilderExtWindows::with_class_name` to customize the internal class name.
- On Windows, fix IME APIs not working when from non event loop thread.
- On Windows, fix `CursorEnter/Left` not being sent when grabbing the mouse.
- On Windows, fix `RedrawRequested` not being delivered when calling `Window::request_redraw` from `RedrawRequested`.
- On Windows, port to `windows-sys` version 0.48.0.
- On X11, add a `with_embedded_parent_window` function to the window builder to allow embedding a window into another window.
- On X11, fix event loop not waking up on `ControlFlow::Poll` and `ControlFlow::WaitUntil`.
- On X11, fix false positive flagging of key repeats when pressing different keys with no release between presses.
- On X11, set `visual_id` in returned `raw-window-handle`.
- On iOS, add ability to change the status bar style.
- On iOS, add force data to touch events when using the Apple Pencil.
- On iOS, always wake the event loop when transitioning from `ControlFlow::Poll` to `ControlFlow::Poll`.
- On iOS, send events `WindowEvent::Occluded(false)`, `WindowEvent::Occluded(true)` when application enters/leaves foreground.
- On macOS, add tabbing APIs on `WindowExtMacOS` and `EventLoopWindowTargetExtMacOS`.
- On macOS, fix assertion when pressing `Globe` key.
- On macOS, fix crash in `window.set_minimized(false)`.
- On macOS, fix crash when dropping `Window`.

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@@ -1,299 +0,0 @@
## 0.30.5
### Added
- Add `ActiveEventLoop::system_theme()`, returning the current system theme.
- On Web, implement `Error` for `platform::web::CustomCursorError`.
- On Android, add `{Active,}EventLoopExtAndroid::android_app()` to access the app used to create the loop.
### Fixed
- On MacOS, fix building with `feature = "rwh_04"`.
- On Web, pen events are now routed through to `WindowEvent::Cursor*`.
- On macOS, fix panic when releasing not available monitor.
- On MacOS, return the system theme in `Window::theme()` if no theme override is set.
## 0.30.4
### Changed
- `DeviceId::dummy()` and `WindowId::dummy()` are no longer marked `unsafe`.
### Fixed
- On Wayland, avoid crashing when compositor is misbehaving.
- On Web, fix `WindowEvent::Resized` not using `requestAnimationFrame` when sending
`WindowEvent::RedrawRequested` and also potentially causing `WindowEvent::RedrawRequested`
to not be de-duplicated.
- Account for different browser engine implementations of pointer movement coordinate space.
## 0.30.3
### Added
- On Web, add `EventLoopExtWebSys::(set_)poll_strategy()` to allow setting
control flow strategies before starting the event loop.
- On Web, add `WaitUntilStrategy`, which allows to set different strategies for
`ControlFlow::WaitUntil`. By default the Prioritized Task Scheduling API is
used, with a fallback to `setTimeout()` with a trick to circumvent throttling
to 4ms. But an option to use a Web worker to schedule the timer is available
as well, which commonly prevents any throttling when the window is not focused.
### Changed
- On macOS, set the window theme on the `NSWindow` instead of application-wide.
### Fixed
- On X11, build on arm platforms.
- On macOS, fixed `WindowBuilder::with_theme` not having any effect on the window.
## 0.30.2
### Fixed
- On Web, fix `EventLoopProxy::send_event()` triggering event loop immediately
when not called from inside the event loop. Now queues a microtask instead.
- On Web, stop overwriting default cursor with `CursorIcon::Default`.
- On Web, prevent crash when using `InnerSizeWriter::request_inner_size()`.
- On macOS, fix not working opacity for entire window.
## 0.30.1
### Added
- Reexport `raw-window-handle` versions 0.4 and 0.5 as `raw_window_handle_04` and `raw_window_handle_05`.
- Implement `ApplicationHandler` for `&mut` references and heap allocations to something that implements `ApplicationHandler`.
### Fixed
- On macOS, fix panic on exit when dropping windows outside the event loop.
- On macOS, fix window dragging glitches when dragging across a monitor boundary with different scale factor.
- On macOS, fix the range in `Ime::Preedit`.
- On macOS, use the system's internal mechanisms for queuing events.
- On macOS, handle events directly instead of queuing when possible.
## 0.30.0
### Added
- Add `OwnedDisplayHandle` type for allowing safe display handle usage outside of
trivial cases.
- Add `ApplicationHandler<T>` trait which mimics `Event<T>`.
- Add `WindowBuilder::with_cursor` and `Window::set_cursor` which takes a
`CursorIcon` or `CustomCursor`.
- Add `Sync` implementation for `EventLoopProxy<T: Send>`.
- Add `Window::default_attributes` to get default `WindowAttributes`.
- Add `EventLoop::builder` to get `EventLoopBuilder` without export.
- Add `CustomCursor::from_rgba` to allow creating cursor images from RGBA data.
- Add `CustomCursorExtWebSys::from_url` to allow loading cursor images from URLs.
- Add `CustomCursorExtWebSys::from_animation` to allow creating animated
cursors from other `CustomCursor`s.
- Add `{Active,}EventLoop::create_custom_cursor` to load custom cursor image sources.
- Add `ActiveEventLoop::create_window` and `EventLoop::create_window`.
- Add `CustomCursor` which could be set via `Window::set_cursor`, implemented on
Windows, macOS, X11, Wayland, and Web.
- On Web, add to toggle calling `Event.preventDefault()` on `Window`.
- On iOS, add `PinchGesture`, `DoubleTapGesture`, `PanGesture` and `RotationGesture`.
- on iOS, use `UIGestureRecognizerDelegate` for fine grained control of gesture recognizers.
- On macOS, add services menu.
- On Windows, add `with_title_text_color`, and `with_corner_preference` on
`WindowAttributesExtWindows`.
- On Windows, implement resize increments.
- On Windows, add `AnyThread` API to access window handle off the main thread.
### Changed
- Bump MSRV from `1.65` to `1.70`.
- On Wayland, bump `sctk-adwaita` to `0.9.0`, which changed system library
crates. This change is a **cascading breaking change**, you must do breaking
change as well, even if you don't expose winit.
- Rename `TouchpadMagnify` to `PinchGesture`.
- Rename `SmartMagnify` to `DoubleTapGesture`.
- Rename `TouchpadRotate` to `RotationGesture`.
- Rename `EventLoopWindowTarget` to `ActiveEventLoop`.
- Rename `platform::x11::XWindowType` to `platform::x11::WindowType`.
- Rename `VideoMode` to `VideoModeHandle` to represent that it doesn't hold
static data.
- Make `Debug` formatting of `WindowId` more concise.
- Move `dpi` types to its own crate, and re-export it from the root crate.
- Replace `log` with `tracing`, use `log` feature on `tracing` to restore old
behavior.
- `EventLoop::with_user_event` now returns `EventLoopBuilder`.
- On Web, return `HandleError::Unavailable` when a window handle is not available.
- On Web, return `RawWindowHandle::WebCanvas` instead of `RawWindowHandle::Web`.
- On Web, remove queuing fullscreen request in absence of transient activation.
- On iOS, return `HandleError::Unavailable` when a window handle is not available.
- On macOS, return `HandleError::Unavailable` when a window handle is not available.
- On Windows, remove `WS_CAPTION`, `WS_BORDER`, and `WS_EX_WINDOWEDGE` styles
for child windows without decorations.
- On Android, bump `ndk` to `0.9.0` and `android-activity` to `0.6.0`,
and remove unused direct dependency on `ndk-sys`.
### Deprecated
- Deprecate `EventLoop::run`, use `EventLoop::run_app`.
- Deprecate `EventLoopExtRunOnDemand::run_on_demand`, use `EventLoop::run_app_on_demand`.
- Deprecate `EventLoopExtPumpEvents::pump_events`, use `EventLoopExtPumpEvents::pump_app_events`.
The new `app` APIs accept a newly added `ApplicationHandler<T>` instead of
`Fn`. The semantics are mostly the same, given that the capture list of the
closure is your new `State`. Consider the following code:
```rust,no_run
use winit::event::Event;
use winit::event_loop::EventLoop;
use winit::window::Window;
struct MyUserEvent;
let event_loop = EventLoop::<MyUserEvent>::with_user_event().build().unwrap();
let window = event_loop.create_window(Window::default_attributes()).unwrap();
let mut counter = 0;
let _ = event_loop.run(move |event, event_loop| {
match event {
Event::AboutToWait => {
window.request_redraw();
counter += 1;
}
Event::WindowEvent { window_id, event } => {
// Handle window event.
}
Event::UserEvent(event) => {
// Handle user event.
}
Event::DeviceEvent { device_id, event } => {
// Handle device event.
}
_ => (),
}
});
```
To migrate this code, you should move all the captured values into some
newtype `State` and implement `ApplicationHandler` for this type. Finally,
we move particular `match event` arms into methods on `ApplicationHandler`,
for example:
```rust,no_run
use winit::application::ApplicationHandler;
use winit::event::{Event, WindowEvent, DeviceEvent, DeviceId};
use winit::event_loop::{EventLoop, ActiveEventLoop};
use winit::window::{Window, WindowId};
struct MyUserEvent;
struct State {
window: Window,
counter: i32,
}
impl ApplicationHandler<MyUserEvent> for State {
fn user_event(&mut self, event_loop: &ActiveEventLoop, user_event: MyUserEvent) {
// Handle user event.
}
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
// Your application got resumed.
}
fn window_event(&mut self, event_loop: &ActiveEventLoop, window_id: WindowId, event: WindowEvent) {
// Handle window event.
}
fn device_event(&mut self, event_loop: &ActiveEventLoop, device_id: DeviceId, event: DeviceEvent) {
// Handle device event.
}
fn about_to_wait(&mut self, event_loop: &ActiveEventLoop) {
self.window.request_redraw();
self.counter += 1;
}
}
let event_loop = EventLoop::<MyUserEvent>::with_user_event().build().unwrap();
#[allow(deprecated)]
let window = event_loop.create_window(Window::default_attributes()).unwrap();
let mut state = State { window, counter: 0 };
let _ = event_loop.run_app(&mut state);
```
Please submit your feedback after migrating in [this issue](https://github.com/rust-windowing/winit/issues/3626).
- Deprecate `Window::set_cursor_icon`, use `Window::set_cursor`.
### Removed
- Remove `Window::new`, use `ActiveEventLoop::create_window` instead.
You now have to create your windows inside the actively running event loop
(usually the `new_events(cause: StartCause::Init)` or `resumed()` events),
and can no longer do it before the application has properly launched.
This change is done to fix many long-standing issues on iOS and macOS, and
will improve things on Wayland once fully implemented.
To ease migration, we provide the deprecated `EventLoop::create_window` that
will allow you to bypass this restriction in this release.
Using the migration example from above, you can change your code as follows:
```rust,no_run
use winit::application::ApplicationHandler;
use winit::event::{Event, WindowEvent, DeviceEvent, DeviceId};
use winit::event_loop::{EventLoop, ActiveEventLoop};
use winit::window::{Window, WindowId};
#[derive(Default)]
struct State {
// Use an `Option` to allow the window to not be available until the
// application is properly running.
window: Option<Window>,
counter: i32,
}
impl ApplicationHandler for State {
// This is a common indicator that you can create a window.
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
self.window = Some(event_loop.create_window(Window::default_attributes()).unwrap());
}
fn window_event(&mut self, event_loop: &ActiveEventLoop, window_id: WindowId, event: WindowEvent) {
// `unwrap` is fine, the window will always be available when
// receiving a window event.
let window = self.window.as_ref().unwrap();
// Handle window event.
}
fn device_event(&mut self, event_loop: &ActiveEventLoop, device_id: DeviceId, event: DeviceEvent) {
// Handle window event.
}
fn about_to_wait(&mut self, event_loop: &ActiveEventLoop) {
if let Some(window) = self.window.as_ref() {
window.request_redraw();
self.counter += 1;
}
}
}
let event_loop = EventLoop::new().unwrap();
let mut state = State::default();
let _ = event_loop.run_app(&mut state);
```
- Remove `Deref` implementation for `EventLoop` that gave `EventLoopWindowTarget`.
- Remove `WindowBuilder` in favor of `WindowAttributes`.
- Remove Generic parameter `T` from `ActiveEventLoop`.
- Remove `EventLoopBuilder::with_user_event`, use `EventLoop::with_user_event`.
- Remove Redundant `EventLoopError::AlreadyRunning`.
- Remove `WindowAttributes::fullscreen` and expose as field directly.
- On X11, remove `platform::x11::XNotSupported` export.
### Fixed
- On Web, fix setting cursor icon overriding cursor visibility.
- On Windows, fix cursor not confined to center of window when grabbed and hidden.
- On macOS, fix sequence of mouse events being out of order when dragging on the trackpad.
- On Wayland, fix decoration glitch on close with some compositors.
- On Android, fix a regression introduced in #2748 to allow volume key events to be received again.
- On Windows, don't return a valid window handle outside of the GUI thread.
- On macOS, don't set the background color when initializing a window with transparency.

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@@ -1,33 +0,0 @@
## 0.8.3
- Fixed issue of calls to `set_inner_size` blocking on Windows.
- Mapped `ISO_Left_Tab` to `VirtualKeyCode::Tab` to make the key work with modifiers
- Fixed the X11 backed on 32bit targets
## 0.8.2
- Uniformize keyboard scancode values across Wayland and X11 (#297).
- Internal rework of the wayland event loop
- Added method `os::linux::WindowExt::is_ready`
## 0.8.1
- Added various methods to `os::linux::EventsLoopExt`, plus some hidden items necessary to make
glutin work.
## 0.8.0
- Added `Window::set_maximized`, `WindowAttributes::maximized` and `WindowBuilder::with_maximized`.
- Added `Window::set_fullscreen`.
- Changed `with_fullscreen` to take a `Option<MonitorId>` instead of a `MonitorId`.
- Removed `MonitorId::get_native_identifier()` in favor of platform-specific traits in the `os`
module.
- Changed `get_available_monitors()` and `get_primary_monitor()` to be methods of `EventsLoop`
instead of stand-alone methods.
- Changed `EventsLoop` to be tied to a specific X11 or Wayland connection.
- Added a `os::linux::EventsLoopExt` trait that makes it possible to configure the connection.
- Fixed the emscripten code, which now compiles.
- Changed the X11 fullscreen code to use `xrandr` instead of `xxf86vm`.
- Fixed the Wayland backend to produce `Refresh` event after window creation.
- Changed the `Suspended` event to be outside of `WindowEvent`.
- Fixed the X11 backend sometimes reporting the wrong virtual key (#273).

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@@ -1,22 +0,0 @@
## 0.9.0
- Added event `WindowEvent::HiDPIFactorChanged`.
- Added method `MonitorId::get_hidpi_factor`.
- Deprecated `get_inner_size_pixels` and `get_inner_size_points` methods of `Window` in favor of
`get_inner_size`.
- **Breaking:** `EventsLoop` is `!Send` and `!Sync` because of platform-dependant constraints,
but `Window`, `WindowId`, `DeviceId` and `MonitorId` guaranteed to be `Send`.
- `MonitorId::get_position` now returns `(i32, i32)` instead of `(u32, u32)`.
- Rewrite of the wayland backend to use wayland-client-0.11
- Support for dead keys on wayland for keyboard utf8 input
- Monitor enumeration on Windows is now implemented using `EnumDisplayMonitors` instead of
`EnumDisplayDevices`. This changes the value returned by `MonitorId::get_name()`.
- On Windows added `MonitorIdExt::hmonitor` method
- Impl `Clone` for `EventsLoopProxy`
- `EventsLoop::get_primary_monitor()` on X11 will fallback to any available monitor if no primary is found
- Support for touch event on wayland
- `WindowEvent`s `MouseMoved`, `MouseEntered`, and `MouseLeft` have been renamed to
`CursorMoved`, `CursorEntered`, and `CursorLeft`.
- New `DeviceEvent`s added, `MouseMotion` and `MouseWheel`.
- Send `CursorMoved` event after `CursorEntered` and `Focused` events.
- Add support for `ModifiersState`, `MouseMove`, `MouseInput`, `MouseMotion` for emscripten backend.

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@@ -1,263 +0,0 @@
use core::fmt;
use std::error::Error;
use std::hash::{Hash, Hasher};
use std::sync::Arc;
use cursor_icon::CursorIcon;
use crate::platform_impl::{PlatformCustomCursor, PlatformCustomCursorSource};
/// The maximum width and height for a cursor when using [`CustomCursor::from_rgba`].
pub const MAX_CURSOR_SIZE: u16 = 2048;
const PIXEL_SIZE: usize = 4;
/// See [`Window::set_cursor()`][crate::window::Window::set_cursor] for more details.
#[derive(Clone, Debug, Eq, Hash, PartialEq)]
pub enum Cursor {
Icon(CursorIcon),
Custom(CustomCursor),
}
impl Default for Cursor {
fn default() -> Self {
Self::Icon(CursorIcon::default())
}
}
impl From<CursorIcon> for Cursor {
fn from(icon: CursorIcon) -> Self {
Self::Icon(icon)
}
}
impl From<CustomCursor> for Cursor {
fn from(custom: CustomCursor) -> Self {
Self::Custom(custom)
}
}
/// Use a custom image as a cursor (mouse pointer).
///
/// Is guaranteed to be cheap to clone.
///
/// ## Platform-specific
///
/// **Web**: Some browsers have limits on cursor sizes usually at 128x128.
///
/// # Example
///
/// ```no_run
/// # use winit::event_loop::ActiveEventLoop;
/// # use winit::window::Window;
/// # fn scope(event_loop: &ActiveEventLoop, window: &Window) {
/// use winit::window::CustomCursor;
///
/// let w = 10;
/// let h = 10;
/// let rgba = vec![255; (w * h * 4) as usize];
///
/// #[cfg(not(target_family = "wasm"))]
/// let source = CustomCursor::from_rgba(rgba, w, h, w / 2, h / 2).unwrap();
///
/// #[cfg(target_family = "wasm")]
/// let source = {
/// use winit::platform::web::CustomCursorExtWebSys;
/// CustomCursor::from_url(String::from("http://localhost:3000/cursor.png"), 0, 0)
/// };
///
/// let custom_cursor = event_loop.create_custom_cursor(source);
///
/// window.set_cursor(custom_cursor.clone());
/// # }
/// ```
#[derive(Clone, Debug, Eq, Hash, PartialEq)]
pub struct CustomCursor {
/// Platforms should make sure this is cheap to clone.
pub(crate) inner: PlatformCustomCursor,
}
impl CustomCursor {
/// Creates a new cursor from an rgba buffer.
///
/// The alpha channel is assumed to be **not** premultiplied.
pub fn from_rgba(
rgba: impl Into<Vec<u8>>,
width: u16,
height: u16,
hotspot_x: u16,
hotspot_y: u16,
) -> Result<CustomCursorSource, BadImage> {
let _span =
tracing::debug_span!("winit::Cursor::from_rgba", width, height, hotspot_x, hotspot_y)
.entered();
Ok(CustomCursorSource {
inner: PlatformCustomCursorSource::from_rgba(
rgba.into(),
width,
height,
hotspot_x,
hotspot_y,
)?,
})
}
}
/// Source for [`CustomCursor`].
///
/// See [`CustomCursor`] for more details.
#[derive(Debug)]
pub struct CustomCursorSource {
pub(crate) inner: PlatformCustomCursorSource,
}
/// An error produced when using [`CustomCursor::from_rgba`] with invalid arguments.
#[derive(Debug, Clone)]
pub enum BadImage {
/// Produced when the image dimensions are larger than [`MAX_CURSOR_SIZE`]. This doesn't
/// guarantee that the cursor will work, but should avoid many platform and device specific
/// limits.
TooLarge { width: u16, height: u16 },
/// Produced when the length of the `rgba` argument isn't divisible by 4, thus `rgba` can't be
/// safely interpreted as 32bpp RGBA pixels.
ByteCountNotDivisibleBy4 { byte_count: usize },
/// Produced when the number of pixels (`rgba.len() / 4`) isn't equal to `width * height`.
/// At least one of your arguments is incorrect.
DimensionsVsPixelCount { width: u16, height: u16, width_x_height: u64, pixel_count: u64 },
/// Produced when the hotspot is outside the image bounds
HotspotOutOfBounds { width: u16, height: u16, hotspot_x: u16, hotspot_y: u16 },
}
impl fmt::Display for BadImage {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
BadImage::TooLarge { width, height } => write!(
f,
"The specified dimensions ({width:?}x{height:?}) are too large. The maximum is \
{MAX_CURSOR_SIZE:?}x{MAX_CURSOR_SIZE:?}.",
),
BadImage::ByteCountNotDivisibleBy4 { byte_count } => write!(
f,
"The length of the `rgba` argument ({byte_count:?}) isn't divisible by 4, making \
it impossible to interpret as 32bpp RGBA pixels.",
),
BadImage::DimensionsVsPixelCount { width, height, width_x_height, pixel_count } => {
write!(
f,
"The specified dimensions ({width:?}x{height:?}) don't match the number of \
pixels supplied by the `rgba` argument ({pixel_count:?}). For those \
dimensions, the expected pixel count is {width_x_height:?}.",
)
},
BadImage::HotspotOutOfBounds { width, height, hotspot_x, hotspot_y } => write!(
f,
"The specified hotspot ({hotspot_x:?}, {hotspot_y:?}) is outside the image bounds \
({width:?}x{height:?}).",
),
}
}
}
impl Error for BadImage {}
/// Platforms export this directly as `PlatformCustomCursorSource` if they need to only work with
/// images.
#[allow(dead_code)]
#[derive(Debug)]
pub(crate) struct OnlyCursorImageSource(pub(crate) CursorImage);
#[allow(dead_code)]
impl OnlyCursorImageSource {
pub(crate) fn from_rgba(
rgba: Vec<u8>,
width: u16,
height: u16,
hotspot_x: u16,
hotspot_y: u16,
) -> Result<Self, BadImage> {
CursorImage::from_rgba(rgba, width, height, hotspot_x, hotspot_y).map(Self)
}
}
/// Platforms export this directly as `PlatformCustomCursor` if they don't implement caching.
#[allow(dead_code)]
#[derive(Debug, Clone)]
pub(crate) struct OnlyCursorImage(pub(crate) Arc<CursorImage>);
impl Hash for OnlyCursorImage {
fn hash<H: Hasher>(&self, state: &mut H) {
Arc::as_ptr(&self.0).hash(state);
}
}
impl PartialEq for OnlyCursorImage {
fn eq(&self, other: &Self) -> bool {
Arc::ptr_eq(&self.0, &other.0)
}
}
impl Eq for OnlyCursorImage {}
#[derive(Debug)]
#[allow(dead_code)]
pub(crate) struct CursorImage {
pub(crate) rgba: Vec<u8>,
pub(crate) width: u16,
pub(crate) height: u16,
pub(crate) hotspot_x: u16,
pub(crate) hotspot_y: u16,
}
impl CursorImage {
pub(crate) fn from_rgba(
rgba: Vec<u8>,
width: u16,
height: u16,
hotspot_x: u16,
hotspot_y: u16,
) -> Result<Self, BadImage> {
if width > MAX_CURSOR_SIZE || height > MAX_CURSOR_SIZE {
return Err(BadImage::TooLarge { width, height });
}
if rgba.len() % PIXEL_SIZE != 0 {
return Err(BadImage::ByteCountNotDivisibleBy4 { byte_count: rgba.len() });
}
let pixel_count = (rgba.len() / PIXEL_SIZE) as u64;
let width_x_height = width as u64 * height as u64;
if pixel_count != width_x_height {
return Err(BadImage::DimensionsVsPixelCount {
width,
height,
width_x_height,
pixel_count,
});
}
if hotspot_x >= width || hotspot_y >= height {
return Err(BadImage::HotspotOutOfBounds { width, height, hotspot_x, hotspot_y });
}
Ok(CursorImage { rgba, width, height, hotspot_x, hotspot_y })
}
}
// Platforms that don't support cursors will export this as `PlatformCustomCursor`.
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub(crate) struct NoCustomCursor;
#[allow(dead_code)]
impl NoCustomCursor {
pub(crate) fn from_rgba(
rgba: Vec<u8>,
width: u16,
height: u16,
hotspot_x: u16,
hotspot_y: u16,
) -> Result<Self, BadImage> {
CursorImage::from_rgba(rgba, width, height, hotspot_x, hotspot_y)?;
Ok(Self)
}
}

331
src/dpi.rs Normal file
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@@ -0,0 +1,331 @@
//! DPI is important, so read the docs for this module if you don't want to be confused.
//!
//! Originally, `winit` dealt entirely in physical pixels (excluding unintentional inconsistencies), but now all
//! window-related functions both produce and consume logical pixels. Monitor-related functions still use physical
//! pixels, as do any context-related functions in `glutin`.
//!
//! If you've never heard of these terms before, then you're not alone, and this documentation will explain the
//! concepts.
//!
//! Modern screens have a defined physical resolution, most commonly 1920x1080. Indepedent of that is the amount of
//! space the screen occupies, which is to say, the height and width in millimeters. The relationship between these two
//! measurements is the *pixel density*. Mobile screens require a high pixel density, as they're held close to the
//! eyes. Larger displays also require a higher pixel density, hence the growing presence of 1440p and 4K displays.
//!
//! So, this presents a problem. Let's say we want to render a square 100px button. It will occupy 100x100 of the
//! screen's pixels, which in many cases, seems perfectly fine. However, because this size doesn't account for the
//! screen's dimensions or pixel density, the button's size can vary quite a bit. On a 4K display, it would be unusably
//! small.
//!
//! That's a description of what happens when the button is 100x100 *physical* pixels. Instead, let's try using 100x100
//! *logical* pixels. To map logical pixels to physical pixels, we simply multiply by the DPI (dots per inch) factor.
//! On a "typical" desktop display, the DPI factor will be 1.0, so 100x100 logical pixels equates to 100x100 physical
//! pixels. However, a 1440p display may have a DPI factor of 1.25, so the button is rendered as 125x125 physical pixels.
//! Ideally, the button now has approximately the same perceived size across varying displays.
//!
//! Failure to account for the DPI factor can create a badly degraded user experience. Most notably, it can make users
//! feel like they have bad eyesight, which will potentially cause them to think about growing elderly, resulting in
//! them entering an existential panic. Once users enter that state, they will no longer be focused on your application.
//!
//! There are two ways to get the DPI factor:
//! - You can track the [`HiDpiFactorChanged`](../enum.WindowEvent.html#variant.HiDpiFactorChanged) event of your
//! windows. This event is sent any time the DPI factor changes, either because the window moved to another monitor,
//! or because the user changed the configuration of their screen.
//! - You can also retrieve the DPI factor of a monitor by calling
//! [`MonitorId::get_hidpi_factor`](../struct.MonitorId.html#method.get_hidpi_factor), or the
//! current DPI factor applied to a window by calling
//! [`Window::get_hidpi_factor`](../struct.Window.html#method.get_hidpi_factor), which is roughly equivalent
//! to `window.get_current_monitor().get_hidpi_factor()`.
//!
//! Depending on the platform, the window's actual DPI factor may only be known after
//! the event loop has started and your window has been drawn once. To properly handle these cases,
//! the most robust way is to monitor the [`HiDpiFactorChanged`](../enum.WindowEvent.html#variant.HiDpiFactorChanged)
//! event and dynamically adapt your drawing logic to follow the DPI factor.
//!
//! Here's an overview of what sort of DPI factors you can expect, and where they come from:
//! - **Windows:** On Windows 8 and 10, per-monitor scaling is readily configured by users from the display settings.
//! While users are free to select any option they want, they're only given a selection of "nice" DPI factors, i.e.
//! 1.0, 1.25, 1.5... on Windows 7, the DPI factor is global and changing it requires logging out.
//! - **macOS:** The buzzword is "retina displays", which have a DPI factor of 2.0. Otherwise, the DPI factor is 1.0.
//! Intermediate DPI factors are never used, thus 1440p displays/etc. aren't properly supported. It's possible for any
//! display to use that 2.0 DPI factor, given the use of the command line.
//! - **X11:** On X11, we calcuate the DPI factor based on the millimeter dimensions provided by XRandR. This can
//! result in a wide range of possible values, including some interesting ones like 1.0833333333333333. This can be
//! overridden using the `WINIT_HIDPI_FACTOR` environment variable, though that's not recommended.
//! - **Wayland:** On Wayland, DPI factors are set per-screen by the server, and are always integers (most often 1 or 2).
//! - **iOS:** DPI factors are both constant and device-specific on iOS.
//! - **Android:** This feature isn't yet implemented on Android, so the DPI factor will always be returned as 1.0.
//!
//! The window's logical size is conserved across DPI changes, resulting in the physical size changing instead. This
//! may be surprising on X11, but is quite standard elsewhere. Physical size changes always produce a
//! [`Resized`](../enum.WindowEvent.html#variant.Resized) event, even on platforms where no resize actually occurs,
//! such as macOS and Wayland. As a result, it's not necessary to separately handle
//! [`HiDpiFactorChanged`](../enum.WindowEvent.html#variant.HiDpiFactorChanged) if you're only listening for size.
//!
//! Your GPU has no awareness of the concept of logical pixels, and unless you like wasting pixel density, your
//! framebuffer's size should be in physical pixels.
//!
//! `winit` will send [`Resized`](../enum.WindowEvent.html#variant.Resized) events whenever a window's logical size
//! changes, and [`HiDpiFactorChanged`](../enum.WindowEvent.html#variant.HiDpiFactorChanged) events
//! whenever the DPI factor changes. Receiving either of these events means that the physical size of your window has
//! changed, and you should recompute it using the latest values you received for each. If the logical size and the
//! DPI factor change simultaneously, `winit` will send both events together; thus, it's recommended to buffer
//! these events and process them at the end of the queue.
//!
//! If you never received any [`HiDpiFactorChanged`](../enum.WindowEvent.html#variant.HiDpiFactorChanged) events,
//! then your window's DPI factor is 1.
/// Checks that the DPI factor is a normal positive `f64`.
///
/// All functions that take a DPI factor assert that this will return `true`. If you're sourcing DPI factors from
/// anywhere other than winit, it's recommended to validate them using this function before passing them to winit;
/// otherwise, you risk panics.
#[inline]
pub fn validate_hidpi_factor(dpi_factor: f64) -> bool {
dpi_factor.is_sign_positive() && dpi_factor.is_normal()
}
/// A position represented in logical pixels.
///
/// The position is stored as floats, so please be careful. Casting floats to integers truncates the fractional part,
/// which can cause noticable issues. To help with that, an `Into<(i32, i32)>` implementation is provided which
/// does the rounding for you.
#[derive(Debug, Copy, Clone, PartialEq)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct LogicalPosition {
pub x: f64,
pub y: f64,
}
impl LogicalPosition {
#[inline]
pub fn new(x: f64, y: f64) -> Self {
LogicalPosition { x, y }
}
#[inline]
pub fn from_physical<T: Into<PhysicalPosition>>(physical: T, dpi_factor: f64) -> Self {
physical.into().to_logical(dpi_factor)
}
#[inline]
pub fn to_physical(&self, dpi_factor: f64) -> PhysicalPosition {
assert!(validate_hidpi_factor(dpi_factor));
let x = self.x * dpi_factor;
let y = self.y * dpi_factor;
PhysicalPosition::new(x, y)
}
}
impl From<(f64, f64)> for LogicalPosition {
#[inline]
fn from((x, y): (f64, f64)) -> Self {
Self::new(x, y)
}
}
impl From<(i32, i32)> for LogicalPosition {
#[inline]
fn from((x, y): (i32, i32)) -> Self {
Self::new(x as f64, y as f64)
}
}
impl Into<(f64, f64)> for LogicalPosition {
#[inline]
fn into(self) -> (f64, f64) {
(self.x, self.y)
}
}
impl Into<(i32, i32)> for LogicalPosition {
/// Note that this rounds instead of truncating.
#[inline]
fn into(self) -> (i32, i32) {
(self.x.round() as _, self.y.round() as _)
}
}
/// A position represented in physical pixels.
///
/// The position is stored as floats, so please be careful. Casting floats to integers truncates the fractional part,
/// which can cause noticable issues. To help with that, an `Into<(i32, i32)>` implementation is provided which
/// does the rounding for you.
#[derive(Debug, Copy, Clone, PartialEq)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct PhysicalPosition {
pub x: f64,
pub y: f64,
}
impl PhysicalPosition {
#[inline]
pub fn new(x: f64, y: f64) -> Self {
PhysicalPosition { x, y }
}
#[inline]
pub fn from_logical<T: Into<LogicalPosition>>(logical: T, dpi_factor: f64) -> Self {
logical.into().to_physical(dpi_factor)
}
#[inline]
pub fn to_logical(&self, dpi_factor: f64) -> LogicalPosition {
assert!(validate_hidpi_factor(dpi_factor));
let x = self.x / dpi_factor;
let y = self.y / dpi_factor;
LogicalPosition::new(x, y)
}
}
impl From<(f64, f64)> for PhysicalPosition {
#[inline]
fn from((x, y): (f64, f64)) -> Self {
Self::new(x, y)
}
}
impl From<(i32, i32)> for PhysicalPosition {
#[inline]
fn from((x, y): (i32, i32)) -> Self {
Self::new(x as f64, y as f64)
}
}
impl Into<(f64, f64)> for PhysicalPosition {
#[inline]
fn into(self) -> (f64, f64) {
(self.x, self.y)
}
}
impl Into<(i32, i32)> for PhysicalPosition {
/// Note that this rounds instead of truncating.
#[inline]
fn into(self) -> (i32, i32) {
(self.x.round() as _, self.y.round() as _)
}
}
/// A size represented in logical pixels.
///
/// The size is stored as floats, so please be careful. Casting floats to integers truncates the fractional part,
/// which can cause noticable issues. To help with that, an `Into<(u32, u32)>` implementation is provided which
/// does the rounding for you.
#[derive(Debug, Copy, Clone, PartialEq)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct LogicalSize {
pub width: f64,
pub height: f64,
}
impl LogicalSize {
#[inline]
pub fn new(width: f64, height: f64) -> Self {
LogicalSize { width, height }
}
#[inline]
pub fn from_physical<T: Into<PhysicalSize>>(physical: T, dpi_factor: f64) -> Self {
physical.into().to_logical(dpi_factor)
}
#[inline]
pub fn to_physical(&self, dpi_factor: f64) -> PhysicalSize {
assert!(validate_hidpi_factor(dpi_factor));
let width = self.width * dpi_factor;
let height = self.height * dpi_factor;
PhysicalSize::new(width, height)
}
}
impl From<(f64, f64)> for LogicalSize {
#[inline]
fn from((width, height): (f64, f64)) -> Self {
Self::new(width, height)
}
}
impl From<(u32, u32)> for LogicalSize {
#[inline]
fn from((width, height): (u32, u32)) -> Self {
Self::new(width as f64, height as f64)
}
}
impl Into<(f64, f64)> for LogicalSize {
#[inline]
fn into(self) -> (f64, f64) {
(self.width, self.height)
}
}
impl Into<(u32, u32)> for LogicalSize {
/// Note that this rounds instead of truncating.
#[inline]
fn into(self) -> (u32, u32) {
(self.width.round() as _, self.height.round() as _)
}
}
/// A size represented in physical pixels.
///
/// The size is stored as floats, so please be careful. Casting floats to integers truncates the fractional part,
/// which can cause noticable issues. To help with that, an `Into<(u32, u32)>` implementation is provided which
/// does the rounding for you.
#[derive(Debug, Copy, Clone, PartialEq)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct PhysicalSize {
pub width: f64,
pub height: f64,
}
impl PhysicalSize {
#[inline]
pub fn new(width: f64, height: f64) -> Self {
PhysicalSize { width, height }
}
#[inline]
pub fn from_logical<T: Into<LogicalSize>>(logical: T, dpi_factor: f64) -> Self {
logical.into().to_physical(dpi_factor)
}
#[inline]
pub fn to_logical(&self, dpi_factor: f64) -> LogicalSize {
assert!(validate_hidpi_factor(dpi_factor));
let width = self.width / dpi_factor;
let height = self.height / dpi_factor;
LogicalSize::new(width, height)
}
}
impl From<(f64, f64)> for PhysicalSize {
#[inline]
fn from((width, height): (f64, f64)) -> Self {
Self::new(width, height)
}
}
impl From<(u32, u32)> for PhysicalSize {
#[inline]
fn from((width, height): (u32, u32)) -> Self {
Self::new(width as f64, height as f64)
}
}
impl Into<(f64, f64)> for PhysicalSize {
#[inline]
fn into(self) -> (f64, f64) {
(self.width, self.height)
}
}
impl Into<(u32, u32)> for PhysicalSize {
/// Note that this rounds instead of truncating.
#[inline]
fn into(self) -> (u32, u32) {
(self.width.round() as _, self.height.round() as _)
}
}

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@@ -1,131 +0,0 @@
use std::{error, fmt};
use crate::platform_impl;
// TODO: Rename
/// An error that may be generated when requesting Winit state
#[derive(Debug)]
pub enum ExternalError {
/// The operation is not supported by the backend.
NotSupported(NotSupportedError),
/// The operation was ignored.
Ignored,
/// The OS cannot perform the operation.
Os(OsError),
}
/// The error type for when the requested operation is not supported by the backend.
#[derive(Clone)]
pub struct NotSupportedError {
_marker: (),
}
/// The error type for when the OS cannot perform the requested operation.
#[derive(Debug)]
pub struct OsError {
line: u32,
file: &'static str,
error: platform_impl::OsError,
}
/// A general error that may occur while running the Winit event loop
#[derive(Debug)]
pub enum EventLoopError {
/// The operation is not supported by the backend.
NotSupported(NotSupportedError),
/// The OS cannot perform the operation.
Os(OsError),
/// The event loop can't be re-created.
RecreationAttempt,
/// Application has exit with an error status.
ExitFailure(i32),
}
impl From<OsError> for EventLoopError {
fn from(value: OsError) -> Self {
Self::Os(value)
}
}
impl NotSupportedError {
#[inline]
#[allow(dead_code)]
pub(crate) fn new() -> NotSupportedError {
NotSupportedError { _marker: () }
}
}
impl OsError {
#[allow(dead_code)]
pub(crate) fn new(line: u32, file: &'static str, error: platform_impl::OsError) -> OsError {
OsError { line, file, error }
}
}
#[allow(unused_macros)]
macro_rules! os_error {
($error:expr) => {{
crate::error::OsError::new(line!(), file!(), $error)
}};
}
impl fmt::Display for OsError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
f.pad(&format!("os error at {}:{}: {}", self.file, self.line, self.error))
}
}
impl fmt::Display for ExternalError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
match self {
ExternalError::NotSupported(e) => e.fmt(f),
ExternalError::Ignored => write!(f, "Operation was ignored"),
ExternalError::Os(e) => e.fmt(f),
}
}
}
impl fmt::Debug for NotSupportedError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
f.debug_struct("NotSupportedError").finish()
}
}
impl fmt::Display for NotSupportedError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
f.pad("the requested operation is not supported by Winit")
}
}
impl fmt::Display for EventLoopError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
match self {
EventLoopError::RecreationAttempt => write!(f, "EventLoop can't be recreated"),
EventLoopError::NotSupported(e) => e.fmt(f),
EventLoopError::Os(e) => e.fmt(f),
EventLoopError::ExitFailure(status) => write!(f, "Exit Failure: {status}"),
}
}
}
impl error::Error for OsError {}
impl error::Error for ExternalError {}
impl error::Error for NotSupportedError {}
impl error::Error for EventLoopError {}
#[cfg(test)]
#[allow(clippy::redundant_clone)]
mod tests {
use super::*;
// Eat attributes for testing
#[test]
fn ensure_fmt_does_not_panic() {
let _ = format!("{:?}, {}", NotSupportedError::new(), NotSupportedError::new().clone());
let _ = format!(
"{:?}, {}",
ExternalError::NotSupported(NotSupportedError::new()),
ExternalError::NotSupported(NotSupportedError::new())
);
}
}

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//! The [`EventLoop`] struct and assorted supporting types, including
//! [`ControlFlow`].
//!
//! If you want to send custom events to the event loop, use
//! [`EventLoop::create_proxy`] to acquire an [`EventLoopProxy`] and call its
//! [`send_event`][EventLoopProxy::send_event] method.
//!
//! See the root-level documentation for information on how to create and use an event loop to
//! handle events.
use std::marker::PhantomData;
#[cfg(any(x11_platform, wayland_platform))]
use std::os::unix::io::{AsFd, AsRawFd, BorrowedFd, RawFd};
use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
use std::{error, fmt};
#[cfg(not(web_platform))]
use std::time::{Duration, Instant};
#[cfg(web_platform)]
use web_time::{Duration, Instant};
use crate::application::ApplicationHandler;
use crate::error::{EventLoopError, OsError};
use crate::event::Event;
use crate::monitor::MonitorHandle;
use crate::platform_impl;
use crate::window::{CustomCursor, CustomCursorSource, Theme, Window, WindowAttributes};
/// Provides a way to retrieve events from the system and from the windows that were registered to
/// the events loop.
///
/// An `EventLoop` can be seen more or less as a "context". Calling [`EventLoop::new`]
/// initializes everything that will be required to create windows. For example on Linux creating
/// an event loop opens a connection to the X or Wayland server.
///
/// To wake up an `EventLoop` from a another thread, see the [`EventLoopProxy`] docs.
///
/// Note that this cannot be shared across threads (due to platform-dependant logic
/// forbidding it), as such it is neither [`Send`] nor [`Sync`]. If you need cross-thread access,
/// the [`Window`] created from this _can_ be sent to an other thread, and the
/// [`EventLoopProxy`] allows you to wake up an `EventLoop` from another thread.
///
/// [`Window`]: crate::window::Window
pub struct EventLoop<T: 'static> {
pub(crate) event_loop: platform_impl::EventLoop<T>,
pub(crate) _marker: PhantomData<*mut ()>, // Not Send nor Sync
}
/// Target that associates windows with an [`EventLoop`].
///
/// This type exists to allow you to create new windows while Winit executes
/// your callback.
pub struct ActiveEventLoop {
pub(crate) p: platform_impl::ActiveEventLoop,
pub(crate) _marker: PhantomData<*mut ()>, // Not Send nor Sync
}
/// Object that allows building the event loop.
///
/// This is used to make specifying options that affect the whole application
/// easier. But note that constructing multiple event loops is not supported.
///
/// This can be created using [`EventLoop::new`] or [`EventLoop::with_user_event`].
#[derive(Default)]
pub struct EventLoopBuilder<T: 'static> {
pub(crate) platform_specific: platform_impl::PlatformSpecificEventLoopAttributes,
_p: PhantomData<T>,
}
static EVENT_LOOP_CREATED: AtomicBool = AtomicBool::new(false);
impl EventLoopBuilder<()> {
/// Start building a new event loop.
#[inline]
#[deprecated = "use `EventLoop::builder` instead"]
pub fn new() -> Self {
EventLoop::builder()
}
}
impl<T> EventLoopBuilder<T> {
/// Builds a new event loop.
///
/// ***For cross-platform compatibility, the [`EventLoop`] must be created on the main thread,
/// and only once per application.***
///
/// Calling this function will result in display backend initialisation.
///
/// ## Panics
///
/// Attempting to create the event loop off the main thread will panic. This
/// restriction isn't strictly necessary on all platforms, but is imposed to
/// eliminate any nasty surprises when porting to platforms that require it.
/// `EventLoopBuilderExt::any_thread` functions are exposed in the relevant
/// [`platform`] module if the target platform supports creating an event
/// loop on any thread.
///
/// ## Platform-specific
///
/// - **Wayland/X11:** to prevent running under `Wayland` or `X11` unset `WAYLAND_DISPLAY` or
/// `DISPLAY` respectively when building the event loop.
/// - **Android:** must be configured with an `AndroidApp` from `android_main()` by calling
/// [`.with_android_app(app)`] before calling `.build()`, otherwise it'll panic.
///
/// [`platform`]: crate::platform
#[cfg_attr(
android_platform,
doc = "[`.with_android_app(app)`]: \
crate::platform::android::EventLoopBuilderExtAndroid::with_android_app"
)]
#[cfg_attr(
not(android_platform),
doc = "[`.with_android_app(app)`]: #only-available-on-android"
)]
#[inline]
pub fn build(&mut self) -> Result<EventLoop<T>, EventLoopError> {
let _span = tracing::debug_span!("winit::EventLoopBuilder::build").entered();
if EVENT_LOOP_CREATED.swap(true, Ordering::Relaxed) {
return Err(EventLoopError::RecreationAttempt);
}
// Certain platforms accept a mutable reference in their API.
#[allow(clippy::unnecessary_mut_passed)]
Ok(EventLoop {
event_loop: platform_impl::EventLoop::new(&mut self.platform_specific)?,
_marker: PhantomData,
})
}
#[cfg(web_platform)]
pub(crate) fn allow_event_loop_recreation() {
EVENT_LOOP_CREATED.store(false, Ordering::Relaxed);
}
}
impl<T> fmt::Debug for EventLoop<T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.pad("EventLoop { .. }")
}
}
impl fmt::Debug for ActiveEventLoop {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.pad("ActiveEventLoop { .. }")
}
}
/// Set through [`ActiveEventLoop::set_control_flow()`].
///
/// Indicates the desired behavior of the event loop after [`Event::AboutToWait`] is emitted.
///
/// Defaults to [`Wait`].
///
/// [`Wait`]: Self::Wait
#[derive(Copy, Clone, Debug, Default, PartialEq, Eq)]
pub enum ControlFlow {
/// When the current loop iteration finishes, immediately begin a new iteration regardless of
/// whether or not new events are available to process.
Poll,
/// When the current loop iteration finishes, suspend the thread until another event arrives.
#[default]
Wait,
/// When the current loop iteration finishes, suspend the thread until either another event
/// arrives or the given time is reached.
///
/// Useful for implementing efficient timers. Applications which want to render at the
/// display's native refresh rate should instead use [`Poll`] and the VSync functionality
/// of a graphics API to reduce odds of missed frames.
///
/// [`Poll`]: Self::Poll
WaitUntil(Instant),
}
impl ControlFlow {
/// Creates a [`ControlFlow`] that waits until a timeout has expired.
///
/// In most cases, this is set to [`WaitUntil`]. However, if the timeout overflows, it is
/// instead set to [`Wait`].
///
/// [`WaitUntil`]: Self::WaitUntil
/// [`Wait`]: Self::Wait
pub fn wait_duration(timeout: Duration) -> Self {
match Instant::now().checked_add(timeout) {
Some(instant) => Self::WaitUntil(instant),
None => Self::Wait,
}
}
}
impl EventLoop<()> {
/// Create the event loop.
///
/// This is an alias of `EventLoop::builder().build()`.
#[inline]
pub fn new() -> Result<EventLoop<()>, EventLoopError> {
Self::builder().build()
}
/// Start building a new event loop.
///
/// This returns an [`EventLoopBuilder`], to allow configuring the event loop before creation.
///
/// To get the actual event loop, call [`build`][EventLoopBuilder::build] on that.
#[inline]
pub fn builder() -> EventLoopBuilder<()> {
Self::with_user_event()
}
}
impl<T> EventLoop<T> {
/// Start building a new event loop, with the given type as the user event
/// type.
pub fn with_user_event() -> EventLoopBuilder<T> {
EventLoopBuilder { platform_specific: Default::default(), _p: PhantomData }
}
/// See [`run_app`].
///
/// [`run_app`]: Self::run_app
#[inline]
#[deprecated = "use `EventLoop::run_app` instead"]
#[cfg(not(all(web_platform, target_feature = "exception-handling")))]
pub fn run<F>(self, event_handler: F) -> Result<(), EventLoopError>
where
F: FnMut(Event<T>, &ActiveEventLoop),
{
let _span = tracing::debug_span!("winit::EventLoop::run").entered();
self.event_loop.run(event_handler)
}
/// Run the application with the event loop on the calling thread.
///
/// See the [`set_control_flow()`] docs on how to change the event loop's behavior.
///
/// ## Platform-specific
///
/// - **iOS:** Will never return to the caller and so values not passed to this function will
/// *not* be dropped before the process exits.
/// - **Web:** Will _act_ as if it never returns to the caller by throwing a Javascript
/// exception (that Rust doesn't see) that will also mean that the rest of the function is
/// never executed and any values not passed to this function will *not* be dropped.
///
/// Web applications are recommended to use
#[cfg_attr(
web_platform,
doc = "[`EventLoopExtWebSys::spawn_app()`][crate::platform::web::EventLoopExtWebSys::spawn_app()]"
)]
#[cfg_attr(not(web_platform), doc = "`EventLoopExtWebSys::spawn()`")]
/// [^1] instead of [`run_app()`] to avoid the need
/// for the Javascript exception trick, and to make it clearer that the event loop runs
/// asynchronously (via the browser's own, internal, event loop) and doesn't block the
/// current thread of execution like it does on other platforms.
///
/// This function won't be available with `target_feature = "exception-handling"`.
///
/// [`set_control_flow()`]: ActiveEventLoop::set_control_flow()
/// [`run_app()`]: Self::run_app()
/// [^1]: `EventLoopExtWebSys::spawn_app()` is only available on Web.
#[inline]
#[cfg(not(all(web_platform, target_feature = "exception-handling")))]
pub fn run_app<A: ApplicationHandler<T>>(self, app: &mut A) -> Result<(), EventLoopError> {
self.event_loop.run(|event, event_loop| dispatch_event_for_app(app, event_loop, event))
}
/// Creates an [`EventLoopProxy`] that can be used to dispatch user events
/// to the main event loop, possibly from another thread.
pub fn create_proxy(&self) -> EventLoopProxy<T> {
EventLoopProxy { event_loop_proxy: self.event_loop.create_proxy() }
}
/// Gets a persistent reference to the underlying platform display.
///
/// See the [`OwnedDisplayHandle`] type for more information.
pub fn owned_display_handle(&self) -> OwnedDisplayHandle {
OwnedDisplayHandle { platform: self.event_loop.window_target().p.owned_display_handle() }
}
/// Change if or when [`DeviceEvent`]s are captured.
///
/// See [`ActiveEventLoop::listen_device_events`] for details.
///
/// [`DeviceEvent`]: crate::event::DeviceEvent
pub fn listen_device_events(&self, allowed: DeviceEvents) {
let _span = tracing::debug_span!(
"winit::EventLoop::listen_device_events",
allowed = ?allowed
)
.entered();
self.event_loop.window_target().p.listen_device_events(allowed);
}
/// Sets the [`ControlFlow`].
pub fn set_control_flow(&self, control_flow: ControlFlow) {
self.event_loop.window_target().p.set_control_flow(control_flow)
}
/// Create a window.
///
/// Creating window without event loop running often leads to improper window creation;
/// use [`ActiveEventLoop::create_window`] instead.
#[deprecated = "use `ActiveEventLoop::create_window` instead"]
#[inline]
pub fn create_window(&self, window_attributes: WindowAttributes) -> Result<Window, OsError> {
let _span = tracing::debug_span!(
"winit::EventLoop::create_window",
window_attributes = ?window_attributes
)
.entered();
let window =
platform_impl::Window::new(&self.event_loop.window_target().p, window_attributes)?;
Ok(Window { window })
}
/// Create custom cursor.
pub fn create_custom_cursor(&self, custom_cursor: CustomCursorSource) -> CustomCursor {
self.event_loop.window_target().p.create_custom_cursor(custom_cursor)
}
}
#[cfg(feature = "rwh_06")]
impl<T> rwh_06::HasDisplayHandle for EventLoop<T> {
fn display_handle(&self) -> Result<rwh_06::DisplayHandle<'_>, rwh_06::HandleError> {
rwh_06::HasDisplayHandle::display_handle(self.event_loop.window_target())
}
}
#[cfg(feature = "rwh_05")]
unsafe impl<T> rwh_05::HasRawDisplayHandle for EventLoop<T> {
/// Returns a [`rwh_05::RawDisplayHandle`] for the event loop.
fn raw_display_handle(&self) -> rwh_05::RawDisplayHandle {
rwh_05::HasRawDisplayHandle::raw_display_handle(self.event_loop.window_target())
}
}
#[cfg(any(x11_platform, wayland_platform))]
impl<T> AsFd for EventLoop<T> {
/// Get the underlying [EventLoop]'s `fd` which you can register
/// into other event loop, like [`calloop`] or [`mio`]. When doing so, the
/// loop must be polled with the [`pump_app_events`] API.
///
/// [`calloop`]: https://crates.io/crates/calloop
/// [`mio`]: https://crates.io/crates/mio
/// [`pump_app_events`]: crate::platform::pump_events::EventLoopExtPumpEvents::pump_app_events
fn as_fd(&self) -> BorrowedFd<'_> {
self.event_loop.as_fd()
}
}
#[cfg(any(x11_platform, wayland_platform))]
impl<T> AsRawFd for EventLoop<T> {
/// Get the underlying [EventLoop]'s raw `fd` which you can register
/// into other event loop, like [`calloop`] or [`mio`]. When doing so, the
/// loop must be polled with the [`pump_app_events`] API.
///
/// [`calloop`]: https://crates.io/crates/calloop
/// [`mio`]: https://crates.io/crates/mio
/// [`pump_app_events`]: crate::platform::pump_events::EventLoopExtPumpEvents::pump_app_events
fn as_raw_fd(&self) -> RawFd {
self.event_loop.as_raw_fd()
}
}
impl ActiveEventLoop {
/// Create the window.
///
/// Possible causes of error include denied permission, incompatible system, and lack of memory.
///
/// ## Platform-specific
///
/// - **Web:** The window is created but not inserted into the web page automatically. Please
/// see the web platform module for more information.
#[inline]
pub fn create_window(&self, window_attributes: WindowAttributes) -> Result<Window, OsError> {
let _span = tracing::debug_span!(
"winit::ActiveEventLoop::create_window",
window_attributes = ?window_attributes
)
.entered();
let window = platform_impl::Window::new(&self.p, window_attributes)?;
Ok(Window { window })
}
/// Create custom cursor.
pub fn create_custom_cursor(&self, custom_cursor: CustomCursorSource) -> CustomCursor {
let _span = tracing::debug_span!("winit::ActiveEventLoop::create_custom_cursor",).entered();
self.p.create_custom_cursor(custom_cursor)
}
/// Returns the list of all the monitors available on the system.
#[inline]
pub fn available_monitors(&self) -> impl Iterator<Item = MonitorHandle> {
let _span = tracing::debug_span!("winit::ActiveEventLoop::available_monitors",).entered();
#[allow(clippy::useless_conversion)] // false positive on some platforms
self.p.available_monitors().into_iter().map(|inner| MonitorHandle { inner })
}
/// Returns the primary monitor of the system.
///
/// Returns `None` if it can't identify any monitor as a primary one.
///
/// ## Platform-specific
///
/// **Wayland / Web:** Always returns `None`.
#[inline]
pub fn primary_monitor(&self) -> Option<MonitorHandle> {
let _span = tracing::debug_span!("winit::ActiveEventLoop::primary_monitor",).entered();
self.p.primary_monitor().map(|inner| MonitorHandle { inner })
}
/// Change if or when [`DeviceEvent`]s are captured.
///
/// Since the [`DeviceEvent`] capture can lead to high CPU usage for unfocused windows, winit
/// will ignore them by default for unfocused windows on Linux/BSD. This method allows changing
/// this at runtime to explicitly capture them again.
///
/// ## Platform-specific
///
/// - **Wayland / macOS / iOS / Android / Orbital:** Unsupported.
///
/// [`DeviceEvent`]: crate::event::DeviceEvent
pub fn listen_device_events(&self, allowed: DeviceEvents) {
let _span = tracing::debug_span!(
"winit::ActiveEventLoop::listen_device_events",
allowed = ?allowed
)
.entered();
self.p.listen_device_events(allowed);
}
/// Returns the current system theme.
///
/// Returns `None` if it cannot be determined on the current platform.
///
/// ## Platform-specific
///
/// - **iOS / Android / Wayland / x11 / Orbital:** Unsupported.
pub fn system_theme(&self) -> Option<Theme> {
self.p.system_theme()
}
/// Sets the [`ControlFlow`].
pub fn set_control_flow(&self, control_flow: ControlFlow) {
self.p.set_control_flow(control_flow)
}
/// Gets the current [`ControlFlow`].
pub fn control_flow(&self) -> ControlFlow {
self.p.control_flow()
}
/// This exits the event loop.
///
/// See [`LoopExiting`][Event::LoopExiting].
pub fn exit(&self) {
let _span = tracing::debug_span!("winit::ActiveEventLoop::exit",).entered();
self.p.exit()
}
/// Returns if the [`EventLoop`] is about to stop.
///
/// See [`exit()`][Self::exit].
pub fn exiting(&self) -> bool {
self.p.exiting()
}
/// Gets a persistent reference to the underlying platform display.
///
/// See the [`OwnedDisplayHandle`] type for more information.
pub fn owned_display_handle(&self) -> OwnedDisplayHandle {
OwnedDisplayHandle { platform: self.p.owned_display_handle() }
}
}
#[cfg(feature = "rwh_06")]
impl rwh_06::HasDisplayHandle for ActiveEventLoop {
fn display_handle(&self) -> Result<rwh_06::DisplayHandle<'_>, rwh_06::HandleError> {
let raw = self.p.raw_display_handle_rwh_06()?;
// SAFETY: The display will never be deallocated while the event loop is alive.
Ok(unsafe { rwh_06::DisplayHandle::borrow_raw(raw) })
}
}
#[cfg(feature = "rwh_05")]
unsafe impl rwh_05::HasRawDisplayHandle for ActiveEventLoop {
/// Returns a [`rwh_05::RawDisplayHandle`] for the event loop.
fn raw_display_handle(&self) -> rwh_05::RawDisplayHandle {
self.p.raw_display_handle_rwh_05()
}
}
/// A proxy for the underlying display handle.
///
/// The purpose of this type is to provide a cheaply clonable handle to the underlying
/// display handle. This is often used by graphics APIs to connect to the underlying APIs.
/// It is difficult to keep a handle to the [`EventLoop`] type or the [`ActiveEventLoop`]
/// type. In contrast, this type involves no lifetimes and can be persisted for as long as
/// needed.
///
/// For all platforms, this is one of the following:
///
/// - A zero-sized type that is likely optimized out.
/// - A reference-counted pointer to the underlying type.
#[derive(Clone)]
pub struct OwnedDisplayHandle {
#[cfg_attr(not(any(feature = "rwh_05", feature = "rwh_06")), allow(dead_code))]
platform: platform_impl::OwnedDisplayHandle,
}
impl fmt::Debug for OwnedDisplayHandle {
#[inline]
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("OwnedDisplayHandle").finish_non_exhaustive()
}
}
#[cfg(feature = "rwh_06")]
impl rwh_06::HasDisplayHandle for OwnedDisplayHandle {
#[inline]
fn display_handle(&self) -> Result<rwh_06::DisplayHandle<'_>, rwh_06::HandleError> {
let raw = self.platform.raw_display_handle_rwh_06()?;
// SAFETY: The underlying display handle should be safe.
let handle = unsafe { rwh_06::DisplayHandle::borrow_raw(raw) };
Ok(handle)
}
}
#[cfg(feature = "rwh_05")]
unsafe impl rwh_05::HasRawDisplayHandle for OwnedDisplayHandle {
#[inline]
fn raw_display_handle(&self) -> rwh_05::RawDisplayHandle {
self.platform.raw_display_handle_rwh_05()
}
}
/// Used to send custom events to [`EventLoop`].
pub struct EventLoopProxy<T: 'static> {
event_loop_proxy: platform_impl::EventLoopProxy<T>,
}
impl<T: 'static> Clone for EventLoopProxy<T> {
fn clone(&self) -> Self {
Self { event_loop_proxy: self.event_loop_proxy.clone() }
}
}
impl<T: 'static> EventLoopProxy<T> {
/// Send an event to the [`EventLoop`] from which this proxy was created. This emits a
/// `UserEvent(event)` event in the event loop, where `event` is the value passed to this
/// function.
///
/// Returns an `Err` if the associated [`EventLoop`] no longer exists.
///
/// [`UserEvent(event)`]: Event::UserEvent
pub fn send_event(&self, event: T) -> Result<(), EventLoopClosed<T>> {
let _span = tracing::debug_span!("winit::EventLoopProxy::send_event",).entered();
self.event_loop_proxy.send_event(event)
}
}
impl<T: 'static> fmt::Debug for EventLoopProxy<T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.pad("EventLoopProxy { .. }")
}
}
/// The error that is returned when an [`EventLoopProxy`] attempts to wake up an [`EventLoop`] that
/// no longer exists.
///
/// Contains the original event given to [`EventLoopProxy::send_event`].
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
pub struct EventLoopClosed<T>(pub T);
impl<T> fmt::Display for EventLoopClosed<T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str("Tried to wake up a closed `EventLoop`")
}
}
impl<T: fmt::Debug> error::Error for EventLoopClosed<T> {}
/// Control when device events are captured.
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Default)]
pub enum DeviceEvents {
/// Report device events regardless of window focus.
Always,
/// Only capture device events while the window is focused.
#[default]
WhenFocused,
/// Never capture device events.
Never,
}
/// A unique identifier of the winit's async request.
///
/// This could be used to identify the async request once it's done
/// and a specific action must be taken.
///
/// One of the handling scenarios could be to maintain a working list
/// containing [`AsyncRequestSerial`] and some closure associated with it.
/// Then once event is arriving the working list is being traversed and a job
/// executed and removed from the list.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct AsyncRequestSerial {
serial: usize,
}
impl AsyncRequestSerial {
// TODO(kchibisov): Remove `cfg` when the clipboard will be added.
#[allow(dead_code)]
pub(crate) fn get() -> Self {
static CURRENT_SERIAL: AtomicUsize = AtomicUsize::new(0);
// NOTE: We rely on wrap around here, while the user may just request
// in the loop usize::MAX times that's issue is considered on them.
let serial = CURRENT_SERIAL.fetch_add(1, Ordering::Relaxed);
Self { serial }
}
}
/// Shim for various run APIs.
#[inline(always)]
pub(crate) fn dispatch_event_for_app<T: 'static, A: ApplicationHandler<T>>(
app: &mut A,
event_loop: &ActiveEventLoop,
event: Event<T>,
) {
match event {
Event::NewEvents(cause) => app.new_events(event_loop, cause),
Event::WindowEvent { window_id, event } => app.window_event(event_loop, window_id, event),
Event::DeviceEvent { device_id, event } => app.device_event(event_loop, device_id, event),
Event::UserEvent(event) => app.user_event(event_loop, event),
Event::Suspended => app.suspended(event_loop),
Event::Resumed => app.resumed(event_loop),
Event::AboutToWait => app.about_to_wait(event_loop),
Event::LoopExiting => app.exiting(event_loop),
Event::MemoryWarning => app.memory_warning(event_loop),
}
}

480
src/events.rs Normal file
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use std::path::PathBuf;
use {DeviceId, LogicalPosition, LogicalSize, WindowId};
/// Describes a generic event.
#[derive(Clone, Debug, PartialEq)]
pub enum Event {
WindowEvent {
window_id: WindowId,
event: WindowEvent,
},
DeviceEvent {
device_id: DeviceId,
event: DeviceEvent,
},
Awakened,
/// The application has been suspended or resumed.
///
/// The parameter is true if app was suspended, and false if it has been resumed.
Suspended(bool),
}
/// Describes an event from a `Window`.
#[derive(Clone, Debug, PartialEq)]
pub enum WindowEvent {
/// The size of the window has changed. Contains the client area's new dimensions.
Resized(LogicalSize),
/// The position of the window has changed. Contains the window's new position.
Moved(LogicalPosition),
/// The window has been requested to close.
CloseRequested,
/// The window has been destroyed.
Destroyed,
/// A file has been dropped into the window.
///
/// When the user drops multiple files at once, this event will be emitted for each file
/// separately.
DroppedFile(PathBuf),
/// A file is being hovered over the window.
///
/// When the user hovers multiple files at once, this event will be emitted for each file
/// separately.
HoveredFile(PathBuf),
/// A file was hovered, but has exited the window.
///
/// There will be a single `HoveredFileCancelled` event triggered even if multiple files were
/// hovered.
HoveredFileCancelled,
/// The window received a unicode character.
ReceivedCharacter(char),
/// The window gained or lost focus.
///
/// The parameter is true if the window has gained focus, and false if it has lost focus.
Focused(bool),
/// An event from the keyboard has been received.
KeyboardInput { device_id: DeviceId, input: KeyboardInput },
/// The cursor has moved on the window.
CursorMoved {
device_id: DeviceId,
/// (x,y) coords in pixels relative to the top-left corner of the window. Because the range of this data is
/// limited by the display area and it may have been transformed by the OS to implement effects such as cursor
/// acceleration, it should not be used to implement non-cursor-like interactions such as 3D camera control.
position: LogicalPosition,
modifiers: ModifiersState
},
/// The cursor has entered the window.
CursorEntered { device_id: DeviceId },
/// The cursor has left the window.
CursorLeft { device_id: DeviceId },
/// A mouse wheel movement or touchpad scroll occurred.
MouseWheel { device_id: DeviceId, delta: MouseScrollDelta, phase: TouchPhase, modifiers: ModifiersState },
/// An mouse button press has been received.
MouseInput { device_id: DeviceId, state: ElementState, button: MouseButton, modifiers: ModifiersState },
/// Touchpad pressure event.
///
/// At the moment, only supported on Apple forcetouch-capable macbooks.
/// The parameters are: pressure level (value between 0 and 1 representing how hard the touchpad
/// is being pressed) and stage (integer representing the click level).
TouchpadPressure { device_id: DeviceId, pressure: f32, stage: i64 },
/// Motion on some analog axis. May report data redundant to other, more specific events.
AxisMotion { device_id: DeviceId, axis: AxisId, value: f64 },
/// The window needs to be redrawn.
Refresh,
/// Touch event has been received
Touch(Touch),
/// The DPI factor of the window has changed.
///
/// The following user actions can cause DPI changes:
///
/// * Changing the display's resolution.
/// * Changing the display's DPI factor (e.g. in Control Panel on Windows).
/// * Moving the window to a display with a different DPI factor.
///
/// For more information about DPI in general, see the [`dpi`](dpi/index.html) module.
HiDpiFactorChanged(f64),
}
/// Represents raw hardware events that are not associated with any particular window.
///
/// Useful for interactions that diverge significantly from a conventional 2D GUI, such as 3D camera or first-person
/// game controls. Many physical actions, such as mouse movement, can produce both device and window events. Because
/// window events typically arise from virtual devices (corresponding to GUI cursors and keyboard focus) the device IDs
/// may not match.
///
/// Note that these events are delivered regardless of input focus.
#[derive(Clone, Debug, PartialEq)]
pub enum DeviceEvent {
Added,
Removed,
/// Change in physical position of a pointing device.
///
/// This represents raw, unfiltered physical motion. Not to be confused with `WindowEvent::CursorMoved`.
MouseMotion {
/// (x, y) change in position in unspecified units.
///
/// Different devices may use different units.
delta: (f64, f64),
},
/// Physical scroll event
MouseWheel {
delta: MouseScrollDelta,
},
/// Motion on some analog axis. This event will be reported for all arbitrary input devices
/// that winit supports on this platform, including mouse devices. If the device is a mouse
/// device then this will be reported alongside the MouseMotion event.
Motion { axis: AxisId, value: f64 },
Button { button: ButtonId, state: ElementState },
Key(KeyboardInput),
Text { codepoint: char },
}
/// Describes a keyboard input event.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct KeyboardInput {
/// Identifies the physical key pressed
///
/// This should not change if the user adjusts the host's keyboard map. Use when the physical location of the
/// key is more important than the key's host GUI semantics, such as for movement controls in a first-person
/// game.
pub scancode: ScanCode,
pub state: ElementState,
/// Identifies the semantic meaning of the key
///
/// Use when the semantics of the key are more important than the physical location of the key, such as when
/// implementing appropriate behavior for "page up."
pub virtual_keycode: Option<VirtualKeyCode>,
/// Modifier keys active at the time of this input.
///
/// This is tracked internally to avoid tracking errors arising from modifier key state changes when events from
/// this device are not being delivered to the application, e.g. due to keyboard focus being elsewhere.
pub modifiers: ModifiersState
}
/// Describes touch-screen input state.
#[derive(Debug, Hash, PartialEq, Eq, Clone, Copy)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub enum TouchPhase {
Started,
Moved,
Ended,
Cancelled
}
/// Represents touch event
///
/// Every time user touches screen new Start event with some finger id is generated.
/// When the finger is removed from the screen End event with same id is generated.
///
/// For every id there will be at least 2 events with phases Start and End (or Cancelled).
/// There may be 0 or more Move events.
///
///
/// Depending on platform implementation id may or may not be reused by system after End event.
///
/// Gesture regonizer using this event should assume that Start event received with same id
/// as previously received End event is a new finger and has nothing to do with an old one.
///
/// Touch may be cancelled if for example window lost focus.
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Touch {
pub device_id: DeviceId,
pub phase: TouchPhase,
pub location: LogicalPosition,
/// unique identifier of a finger.
pub id: u64
}
/// Hardware-dependent keyboard scan code.
pub type ScanCode = u32;
/// Identifier for a specific analog axis on some device.
pub type AxisId = u32;
/// Identifier for a specific button on some device.
pub type ButtonId = u32;
/// Describes the input state of a key.
#[derive(Debug, Hash, PartialEq, Eq, Clone, Copy)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub enum ElementState {
Pressed,
Released,
}
/// Describes a button of a mouse controller.
#[derive(Debug, Hash, PartialEq, Eq, Clone, Copy)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub enum MouseButton {
Left,
Right,
Middle,
Other(u8),
}
/// Describes a difference in the mouse scroll wheel state.
#[derive(Debug, Clone, Copy, PartialEq)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub enum MouseScrollDelta {
/// Amount in lines or rows to scroll in the horizontal
/// and vertical directions.
///
/// Positive values indicate movement forward
/// (away from the user) or rightwards.
LineDelta(f32, f32),
/// Amount in pixels to scroll in the horizontal and
/// vertical direction.
///
/// Scroll events are expressed as a PixelDelta if
/// supported by the device (eg. a touchpad) and
/// platform.
PixelDelta(LogicalPosition),
}
/// Symbolic name for a keyboard key.
#[derive(Debug, Hash, Ord, PartialOrd, PartialEq, Eq, Clone, Copy)]
#[repr(u32)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub enum VirtualKeyCode {
/// The '1' key over the letters.
Key1,
/// The '2' key over the letters.
Key2,
/// The '3' key over the letters.
Key3,
/// The '4' key over the letters.
Key4,
/// The '5' key over the letters.
Key5,
/// The '6' key over the letters.
Key6,
/// The '7' key over the letters.
Key7,
/// The '8' key over the letters.
Key8,
/// The '9' key over the letters.
Key9,
/// The '0' key over the 'O' and 'P' keys.
Key0,
A,
B,
C,
D,
E,
F,
G,
H,
I,
J,
K,
L,
M,
N,
O,
P,
Q,
R,
S,
T,
U,
V,
W,
X,
Y,
Z,
/// The Escape key, next to F1.
Escape,
F1,
F2,
F3,
F4,
F5,
F6,
F7,
F8,
F9,
F10,
F11,
F12,
F13,
F14,
F15,
F16,
F17,
F18,
F19,
F20,
F21,
F22,
F23,
F24,
/// Print Screen/SysRq.
Snapshot,
/// Scroll Lock.
Scroll,
/// Pause/Break key, next to Scroll lock.
Pause,
/// `Insert`, next to Backspace.
Insert,
Home,
Delete,
End,
PageDown,
PageUp,
Left,
Up,
Right,
Down,
/// The Backspace key, right over Enter.
// TODO: rename
Back,
/// The Enter key.
Return,
/// The space bar.
Space,
/// The "Compose" key on Linux.
Compose,
Caret,
Numlock,
Numpad0,
Numpad1,
Numpad2,
Numpad3,
Numpad4,
Numpad5,
Numpad6,
Numpad7,
Numpad8,
Numpad9,
AbntC1,
AbntC2,
Add,
Apostrophe,
Apps,
At,
Ax,
Backslash,
Calculator,
Capital,
Colon,
Comma,
Convert,
Decimal,
Divide,
Equals,
Grave,
Kana,
Kanji,
LAlt,
LBracket,
LControl,
LShift,
LWin,
Mail,
MediaSelect,
MediaStop,
Minus,
Multiply,
Mute,
MyComputer,
NavigateForward, // also called "Prior"
NavigateBackward, // also called "Next"
NextTrack,
NoConvert,
NumpadComma,
NumpadEnter,
NumpadEquals,
OEM102,
Period,
PlayPause,
Power,
PrevTrack,
RAlt,
RBracket,
RControl,
RShift,
RWin,
Semicolon,
Slash,
Sleep,
Stop,
Subtract,
Sysrq,
Tab,
Underline,
Unlabeled,
VolumeDown,
VolumeUp,
Wake,
WebBack,
WebFavorites,
WebForward,
WebHome,
WebRefresh,
WebSearch,
WebStop,
Yen,
Copy,
Paste,
Cut,
}
/// Represents the current state of the keyboard modifiers
///
/// Each field of this struct represents a modifier and is `true` if this modifier is active.
#[derive(Default, Debug, Hash, PartialEq, Eq, Clone, Copy)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
#[cfg_attr(feature = "serde", serde(default))]
pub struct ModifiersState {
/// The "shift" key
pub shift: bool,
/// The "control" key
pub ctrl: bool,
/// The "alt" key
pub alt: bool,
/// The "logo" key
///
/// This is the "windows" key on PC and "command" key on Mac.
pub logo: bool
}

View File

@@ -1,6 +1,12 @@
use crate::platform_impl::PlatformIcon;
use std::{fmt, mem};
use std::error::Error;
use std::{fmt, io, mem};
#[cfg(feature = "icon_loading")]
use std::io::{BufRead, Seek};
#[cfg(feature = "icon_loading")]
use std::path::Path;
#[cfg(feature = "icon_loading")]
use image;
#[repr(C)]
#[derive(Debug)]
@@ -13,105 +19,152 @@ pub(crate) struct Pixel {
pub(crate) const PIXEL_SIZE: usize = mem::size_of::<Pixel>();
#[derive(Debug)]
/// An error produced when using [`Icon::from_rgba`] with invalid arguments.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
/// An error produced when using `Icon::from_rgba` with invalid arguments.
pub enum BadIcon {
/// Produced when the length of the `rgba` argument isn't divisible by 4, thus `rgba` can't be
/// safely interpreted as 32bpp RGBA pixels.
ByteCountNotDivisibleBy4 { byte_count: usize },
ByteCountNotDivisibleBy4 {
byte_count: usize,
},
/// Produced when the number of pixels (`rgba.len() / 4`) isn't equal to `width * height`.
/// At least one of your arguments is incorrect.
DimensionsVsPixelCount { width: u32, height: u32, width_x_height: usize, pixel_count: usize },
/// Produced when underlying OS functionality failed to create the icon
OsError(io::Error),
DimensionsVsPixelCount {
width: u32,
height: u32,
width_x_height: usize,
pixel_count: usize,
},
}
impl fmt::Display for BadIcon {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
BadIcon::ByteCountNotDivisibleBy4 { byte_count } => write!(
f,
"The length of the `rgba` argument ({byte_count:?}) isn't divisible by 4, making \
it impossible to interpret as 32bpp RGBA pixels.",
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
let msg = match self {
&BadIcon::ByteCountNotDivisibleBy4 { byte_count } => format!(
"The length of the `rgba` argument ({:?}) isn't divisible by 4, making it impossible to interpret as 32bpp RGBA pixels.",
byte_count,
),
BadIcon::DimensionsVsPixelCount { width, height, width_x_height, pixel_count } => {
write!(
f,
"The specified dimensions ({width:?}x{height:?}) don't match the number of \
pixels supplied by the `rgba` argument ({pixel_count:?}). For those \
dimensions, the expected pixel count is {width_x_height:?}.",
)
},
BadIcon::OsError(e) => write!(f, "OS error when instantiating the icon: {e:?}"),
}
&BadIcon::DimensionsVsPixelCount {
width,
height,
width_x_height,
pixel_count,
} => format!(
"The specified dimensions ({:?}x{:?}) don't match the number of pixels supplied by the `rgba` argument ({:?}). For those dimensions, the expected pixel count is {:?}.",
width, height, pixel_count, width_x_height,
),
};
write!(formatter, "{}", msg)
}
}
impl Error for BadIcon {}
impl Error for BadIcon {
fn description(&self) -> &str {
"A valid icon cannot be created from these arguments"
}
fn cause(&self) -> Option<&Error> {
Some(self)
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub(crate) struct RgbaIcon {
/// An icon used for the window titlebar, taskbar, etc.
///
/// Enabling the `icon_loading` feature provides you with several convenience methods for creating
/// an `Icon` from any format supported by the [image](https://github.com/PistonDevelopers/image)
/// crate.
pub struct Icon {
pub(crate) rgba: Vec<u8>,
pub(crate) width: u32,
pub(crate) height: u32,
}
/// For platforms which don't have window icons (e.g. web)
#[derive(Debug, Clone, PartialEq, Eq)]
pub(crate) struct NoIcon;
#[allow(dead_code)] // These are not used on every platform
mod constructors {
use super::*;
impl RgbaIcon {
pub fn from_rgba(rgba: Vec<u8>, width: u32, height: u32) -> Result<Self, BadIcon> {
if rgba.len() % PIXEL_SIZE != 0 {
return Err(BadIcon::ByteCountNotDivisibleBy4 { byte_count: rgba.len() });
}
let pixel_count = rgba.len() / PIXEL_SIZE;
if pixel_count != (width * height) as usize {
Err(BadIcon::DimensionsVsPixelCount {
width,
height,
width_x_height: (width * height) as usize,
pixel_count,
})
} else {
Ok(RgbaIcon { rgba, width, height })
}
}
}
impl NoIcon {
pub fn from_rgba(rgba: Vec<u8>, width: u32, height: u32) -> Result<Self, BadIcon> {
// Create the rgba icon anyway to validate the input
let _ = RgbaIcon::from_rgba(rgba, width, height)?;
Ok(NoIcon)
}
}
}
/// An icon used for the window titlebar, taskbar, etc.
#[derive(Clone)]
pub struct Icon {
pub(crate) inner: PlatformIcon,
}
impl fmt::Debug for Icon {
fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
fmt::Debug::fmt(&self.inner, formatter)
}
}
impl Icon {
/// Creates an icon from 32bpp RGBA data.
/// Creates an `Icon` from 32bpp RGBA data.
///
/// The length of `rgba` must be divisible by 4, and `width * height` must equal
/// `rgba.len() / 4`. Otherwise, this will return a `BadIcon` error.
pub fn from_rgba(rgba: Vec<u8>, width: u32, height: u32) -> Result<Self, BadIcon> {
let _span = tracing::debug_span!("winit::Icon::from_rgba", width, height).entered();
if rgba.len() % PIXEL_SIZE != 0 {
return Err(BadIcon::ByteCountNotDivisibleBy4 { byte_count: rgba.len() });
}
let pixel_count = rgba.len() / PIXEL_SIZE;
if pixel_count != (width * height) as usize {
Err(BadIcon::DimensionsVsPixelCount {
width,
height,
width_x_height: (width * height) as usize,
pixel_count,
})
} else {
Ok(Icon { rgba, width, height })
}
}
Ok(Icon { inner: PlatformIcon::from_rgba(rgba, width, height)? })
#[cfg(feature = "icon_loading")]
/// Loads an `Icon` from the path of an image on the filesystem.
///
/// Requires the `icon_loading` feature.
pub fn from_path<P: AsRef<Path>>(path: P) -> image::ImageResult<Self> {
image::open(path).map(Into::into)
}
#[cfg(feature = "icon_loading")]
/// Loads an `Icon` from anything implementing `BufRead` and `Seek`.
///
/// Requires the `icon_loading` feature.
pub fn from_reader<R: BufRead + Seek>(
reader: R,
format: image::ImageFormat,
) -> image::ImageResult<Self> {
image::load(reader, format).map(Into::into)
}
#[cfg(feature = "icon_loading")]
/// Loads an `Icon` from the unprocessed bytes of an image file.
/// Uses heuristics to determine format.
///
/// Requires the `icon_loading` feature.
pub fn from_bytes(bytes: &[u8]) -> image::ImageResult<Self> {
image::load_from_memory(bytes).map(Into::into)
}
#[cfg(feature = "icon_loading")]
/// Loads an `Icon` from the unprocessed bytes of an image.
///
/// Requires the `icon_loading` feature.
pub fn from_bytes_with_format(
bytes: &[u8],
format: image::ImageFormat,
) -> image::ImageResult<Self> {
image::load_from_memory_with_format(bytes, format).map(Into::into)
}
}
#[cfg(feature = "icon_loading")]
/// Requires the `icon_loading` feature.
impl From<image::DynamicImage> for Icon {
fn from(image: image::DynamicImage) -> Self {
use image::{GenericImageView, Pixel};
let (width, height) = image.dimensions();
let mut rgba = Vec::with_capacity((width * height) as usize * PIXEL_SIZE);
for (_, _, pixel) in image.pixels() {
rgba.extend_from_slice(&pixel.to_rgba().data);
}
Icon { rgba, width, height }
}
}
#[cfg(feature = "icon_loading")]
/// Requires the `icon_loading` feature.
impl From<image::RgbaImage> for Icon {
fn from(buf: image::RgbaImage) -> Self {
let (width, height) = buf.dimensions();
let mut rgba = Vec::with_capacity((width * height) as usize * PIXEL_SIZE);
for (_, _, pixel) in buf.enumerate_pixels() {
rgba.extend_from_slice(&pixel.data);
}
Icon { rgba, width, height }
}
}

File diff suppressed because it is too large Load Diff

View File

@@ -1,207 +1,542 @@
//! Winit is a cross-platform window creation and event loop management library.
//! Winit allows you to build a window on as many platforms as possible.
//!
//! # Building windows
//! # Building a window
//!
//! Before you can create a [`Window`], you first need to build an [`EventLoop`]. This is done with
//! the [`EventLoop::new()`] function.
//! Before you can build a window, you first need to build an `EventsLoop`. This is done with the
//! `EventsLoop::new()` function. Example:
//!
//! ```no_run
//! use winit::event_loop::EventLoop;
//! let event_loop = EventLoop::new().unwrap();
//! use winit::EventsLoop;
//! let events_loop = EventsLoop::new();
//! ```
//!
//! Then you create a [`Window`] with [`create_window`].
//! Once this is done there are two ways to create a window:
//!
//! # Event handling
//! - Calling `Window::new(&events_loop)`.
//! - Calling `let builder = WindowBuilder::new()` then `builder.build(&events_loop)`.
//!
//! Once a [`Window`] has been created, it will generate different *events*. A [`Window`] object can
//! generate [`WindowEvent`]s when certain input events occur, such as a cursor moving over the
//! window or a key getting pressed while the window is focused. Devices can generate
//! [`DeviceEvent`]s, which contain unfiltered event data that isn't specific to a certain window.
//! Some user activity, like mouse movement, can generate both a [`WindowEvent`] *and* a
//! [`DeviceEvent`]. You can also create and handle your own custom [`Event::UserEvent`]s, if
//! desired.
//! The first way is the simplest way and will give you default values for everything.
//!
//! You can retrieve events by calling [`EventLoop::run_app()`]. This function will
//! dispatch events for every [`Window`] that was created with that particular [`EventLoop`], and
//! will run until [`exit()`] is used, at which point [`Event::LoopExiting`].
//! The second way allows you to customize the way your window will look and behave by modifying
//! the fields of the `WindowBuilder` object before you create the window.
//!
//! Winit no longer uses a `EventLoop::poll_events() -> impl Iterator<Event>`-based event loop
//! model, since that can't be implemented properly on some platforms (e.g web, iOS) and works
//! poorly on most other platforms. However, this model can be re-implemented to an extent with
#![cfg_attr(
any(windows_platform, macos_platform, android_platform, x11_platform, wayland_platform),
doc = "[`EventLoopExtPumpEvents::pump_app_events()`][platform::pump_events::EventLoopExtPumpEvents::pump_app_events()]"
)]
#![cfg_attr(
not(any(windows_platform, macos_platform, android_platform, x11_platform, wayland_platform)),
doc = "`EventLoopExtPumpEvents::pump_app_events()`"
)]
//! [^1]. See that method's documentation for more reasons about why
//! it's discouraged beyond compatibility reasons.
//! # Events handling
//!
//! Once a window has been created, it will *generate events*. For example whenever the user moves
//! the window, resizes the window, moves the mouse, etc. an event is generated.
//!
//! The events generated by a window can be retrieved from the `EventsLoop` the window was created
//! with.
//!
//! There are two ways to do so. The first is to call `events_loop.poll_events(...)`, which will
//! retrieve all the events pending on the windows and immediately return after no new event is
//! available. You usually want to use this method in application that render continuously on the
//! screen, such as video games.
//!
//! ```no_run
//! use winit::application::ApplicationHandler;
//! use winit::event::WindowEvent;
//! use winit::event_loop::{ActiveEventLoop, ControlFlow, EventLoop};
//! use winit::window::{Window, WindowId};
//! use winit::{Event, WindowEvent};
//! use winit::dpi::LogicalSize;
//! # use winit::EventsLoop;
//! # let mut events_loop = EventsLoop::new();
//!
//! #[derive(Default)]
//! struct App {
//! window: Option<Window>,
//! }
//!
//! impl ApplicationHandler for App {
//! fn resumed(&mut self, event_loop: &ActiveEventLoop) {
//! self.window = Some(event_loop.create_window(Window::default_attributes()).unwrap());
//! }
//!
//! fn window_event(&mut self, event_loop: &ActiveEventLoop, id: WindowId, event: WindowEvent) {
//! loop {
//! events_loop.poll_events(|event| {
//! match event {
//! WindowEvent::CloseRequested => {
//! println!("The close button was pressed; stopping");
//! event_loop.exit();
//! Event::WindowEvent {
//! event: WindowEvent::Resized(LogicalSize { width, height }),
//! ..
//! } => {
//! println!("The window was resized to {}x{}", width, height);
//! },
//! WindowEvent::RedrawRequested => {
//! // Redraw the application.
//! //
//! // It's preferable for applications that do not render continuously to render in
//! // this event rather than in AboutToWait, since rendering in here allows
//! // the program to gracefully handle redraws requested by the OS.
//!
//! // Draw.
//!
//! // Queue a RedrawRequested event.
//! //
//! // You only need to call this if you've determined that you need to redraw in
//! // applications which do not always need to. Applications that redraw continuously
//! // can render here instead.
//! self.window.as_ref().unwrap().request_redraw();
//! }
//! _ => (),
//! _ => ()
//! }
//! }
//! });
//! }
//!
//! let event_loop = EventLoop::new().unwrap();
//!
//! // ControlFlow::Poll continuously runs the event loop, even if the OS hasn't
//! // dispatched any events. This is ideal for games and similar applications.
//! event_loop.set_control_flow(ControlFlow::Poll);
//!
//! // ControlFlow::Wait pauses the event loop if no events are available to process.
//! // This is ideal for non-game applications that only update in response to user
//! // input, and uses significantly less power/CPU time than ControlFlow::Poll.
//! event_loop.set_control_flow(ControlFlow::Wait);
//!
//! let mut app = App::default();
//! event_loop.run_app(&mut app);
//! ```
//!
//! [`WindowEvent`] has a [`WindowId`] member. In multi-window environments, it should be
//! compared to the value returned by [`Window::id()`] to determine which [`Window`]
//! dispatched the event.
//! The second way is to call `events_loop.run_forever(...)`. As its name tells, it will run
//! forever unless it is stopped by returning `ControlFlow::Break`.
//!
//! ```no_run
//! use winit::{ControlFlow, Event, WindowEvent};
//! # use winit::EventsLoop;
//! # let mut events_loop = EventsLoop::new();
//!
//! events_loop.run_forever(|event| {
//! match event {
//! Event::WindowEvent { event: WindowEvent::CloseRequested, .. } => {
//! println!("The close button was pressed; stopping");
//! ControlFlow::Break
//! },
//! _ => ControlFlow::Continue,
//! }
//! });
//! ```
//!
//! If you use multiple windows, the `WindowEvent` event has a member named `window_id`. You can
//! compare it with the value returned by the `id()` method of `Window` in order to know which
//! window has received the event.
//!
//! # Drawing on the window
//!
//! Winit doesn't directly provide any methods for drawing on a [`Window`]. However, it allows you
//! to retrieve the raw handle of the window and display (see the [`platform`] module and/or the
//! [`raw_window_handle`] and [`raw_display_handle`] methods), which in turn allows
//! you to create an OpenGL/Vulkan/DirectX/Metal/etc. context that can be used to render graphics.
//! Winit doesn't provide any function that allows drawing on a window. However it allows you to
//! retrieve the raw handle of the window (see the `os` module for that), which in turn allows you
//! to create an OpenGL/Vulkan/DirectX/Metal/etc. context that will draw on the window.
//!
//! Note that many platforms will display garbage data in the window's client area if the
//! application doesn't render anything to the window by the time the desktop compositor is ready to
//! display the window to the user. If you notice this happening, you should create the window with
//! [`visible` set to `false`][crate::window::WindowAttributes::with_visible] and explicitly make
//! the window visible only once you're ready to render into it.
//!
//! # UI scaling
//!
//! UI scaling is important, go read the docs for the [`dpi`] crate for an
//! introduction.
//!
//! All of Winit's functions return physical types, but can take either logical or physical
//! coordinates as input, allowing you to use the most convenient coordinate system for your
//! particular application.
//!
//! Winit will dispatch a [`ScaleFactorChanged`] event whenever a window's scale factor has changed.
//! This can happen if the user drags their window from a standard-resolution monitor to a high-DPI
//! monitor or if the user changes their DPI settings. This allows you to rescale your application's
//! UI elements and adjust how the platform changes the window's size to reflect the new scale
//! factor. If a window hasn't received a [`ScaleFactorChanged`] event, its scale factor
//! can be found by calling [`window.scale_factor()`].
//!
//! [`ScaleFactorChanged`]: event::WindowEvent::ScaleFactorChanged
//! [`window.scale_factor()`]: window::Window::scale_factor
//!
//! # Cargo Features
//!
//! Winit provides the following Cargo features:
//!
//! * `x11` (enabled by default): On Unix platforms, enables the X11 backend.
//! * `wayland` (enabled by default): On Unix platforms, enables the Wayland backend.
//! * `rwh_04`: Implement `raw-window-handle v0.4` traits.
//! * `rwh_05`: Implement `raw-window-handle v0.5` traits.
//! * `rwh_06`: Implement `raw-window-handle v0.6` traits.
//! * `serde`: Enables serialization/deserialization of certain types with [Serde](https://crates.io/crates/serde).
//! * `mint`: Enables mint (math interoperability standard types) conversions.
//!
//! See the [`platform`] module for documentation on platform-specific cargo
//! features.
//!
//! [`EventLoop`]: event_loop::EventLoop
//! [`EventLoop::new()`]: event_loop::EventLoop::new
//! [`EventLoop::run_app()`]: event_loop::EventLoop::run_app
//! [`exit()`]: event_loop::ActiveEventLoop::exit
//! [`Window`]: window::Window
//! [`WindowId`]: window::WindowId
//! [`WindowAttributes`]: window::WindowAttributes
//! [window_new]: window::Window::new
//! [`create_window`]: event_loop::ActiveEventLoop::create_window
//! [`Window::id()`]: window::Window::id
//! [`WindowEvent`]: event::WindowEvent
//! [`DeviceEvent`]: event::DeviceEvent
//! [`Event::UserEvent`]: event::Event::UserEvent
//! [`Event::LoopExiting`]: event::Event::LoopExiting
//! [`raw_window_handle`]: ./window/struct.Window.html#method.raw_window_handle
//! [`raw_display_handle`]: ./window/struct.Window.html#method.raw_display_handle
//! [^1]: `EventLoopExtPumpEvents::pump_app_events()` is only available on Windows, macOS, Android, X11 and Wayland.
#![deny(rust_2018_idioms)]
#![deny(rustdoc::broken_intra_doc_links)]
#![deny(clippy::all)]
#![deny(unsafe_op_in_unsafe_fn)]
#![cfg_attr(clippy, deny(warnings))]
// Doc feature labels can be tested locally by running RUSTDOCFLAGS="--cfg=docsrs" cargo +nightly
// doc
#![cfg_attr(docsrs, feature(doc_auto_cfg, doc_cfg_hide), doc(cfg_hide(doc, docsrs)))]
#![allow(clippy::missing_safety_doc)]
#[cfg(feature = "rwh_04")]
pub use rwh_04 as raw_window_handle_04;
#[cfg(feature = "rwh_05")]
pub use rwh_05 as raw_window_handle_05;
#[cfg(feature = "rwh_06")]
pub use rwh_06 as raw_window_handle;
// Re-export DPI types so that users don't have to put it in Cargo.toml.
#[doc(inline)]
pub use dpi;
pub mod application;
#[cfg(any(doc, doctest, test))]
pub mod changelog;
#[allow(unused_imports)]
#[macro_use]
pub mod error;
mod cursor;
pub mod event;
pub mod event_loop;
mod icon;
pub mod keyboard;
pub mod monitor;
mod platform_impl;
mod utils;
pub mod window;
extern crate lazy_static;
extern crate libc;
#[macro_use]
extern crate log;
#[cfg(feature = "icon_loading")]
extern crate image;
#[cfg(feature = "serde")]
#[macro_use]
extern crate serde;
pub mod platform;
#[cfg(target_os = "windows")]
extern crate winapi;
#[cfg(target_os = "windows")]
extern crate backtrace;
#[macro_use]
#[cfg(target_os = "windows")]
extern crate bitflags;
#[cfg(any(target_os = "macos", target_os = "ios"))]
#[macro_use]
extern crate objc;
#[cfg(target_os = "macos")]
extern crate cocoa;
#[cfg(target_os = "macos")]
extern crate core_foundation;
#[cfg(target_os = "macos")]
extern crate core_graphics;
#[cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "netbsd", target_os = "openbsd"))]
extern crate x11_dl;
#[cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "netbsd", target_os = "openbsd"))]
extern crate parking_lot;
#[cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "netbsd", target_os = "openbsd"))]
extern crate percent_encoding;
#[cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "netbsd", target_os = "openbsd"))]
extern crate smithay_client_toolkit as sctk;
pub(crate) use dpi::*; // TODO: Actually change the imports throughout the codebase.
pub use events::*;
pub use window::{AvailableMonitorsIter, MonitorId};
pub use icon::*;
pub mod dpi;
mod events;
mod icon;
mod platform;
mod window;
pub mod os;
/// Represents a window.
///
/// # Example
///
/// ```no_run
/// use winit::{Event, EventsLoop, Window, WindowEvent, ControlFlow};
///
/// let mut events_loop = EventsLoop::new();
/// let window = Window::new(&events_loop).unwrap();
///
/// events_loop.run_forever(|event| {
/// match event {
/// Event::WindowEvent { event: WindowEvent::CloseRequested, .. } => {
/// ControlFlow::Break
/// },
/// _ => ControlFlow::Continue,
/// }
/// });
/// ```
pub struct Window {
window: platform::Window,
}
impl std::fmt::Debug for Window {
fn fmt(&self, fmtr: &mut std::fmt::Formatter) -> std::fmt::Result {
fmtr.pad("Window { .. }")
}
}
/// Identifier of a window. Unique for each window.
///
/// Can be obtained with `window.id()`.
///
/// Whenever you receive an event specific to a window, this event contains a `WindowId` which you
/// can then compare to the ids of your windows.
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct WindowId(platform::WindowId);
impl WindowId {
/// Returns a dummy `WindowId`, useful for unit testing. The only guarantee made about the return
/// value of this function is that it will always be equal to itself and to future values returned
/// by this function. No other guarantees are made. This may be equal to a real `WindowId`.
///
/// **Passing this into a winit function will result in undefined behavior.**
pub unsafe fn dummy() -> Self {
WindowId(platform::WindowId::dummy())
}
}
/// Identifier of an input device.
///
/// Whenever you receive an event arising from a particular input device, this event contains a `DeviceId` which
/// identifies its origin. Note that devices may be virtual (representing an on-screen cursor and keyboard focus) or
/// physical. Virtual devices typically aggregate inputs from multiple physical devices.
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct DeviceId(platform::DeviceId);
impl DeviceId {
/// Returns a dummy `DeviceId`, useful for unit testing. The only guarantee made about the return
/// value of this function is that it will always be equal to itself and to future values returned
/// by this function. No other guarantees are made. This may be equal to a real `DeviceId`.
///
/// **Passing this into a winit function will result in undefined behavior.**
pub unsafe fn dummy() -> Self {
DeviceId(platform::DeviceId::dummy())
}
}
/// Provides a way to retrieve events from the system and from the windows that were registered to
/// the events loop.
///
/// An `EventsLoop` can be seen more or less as a "context". Calling `EventsLoop::new()`
/// initializes everything that will be required to create windows. For example on Linux creating
/// an events loop opens a connection to the X or Wayland server.
///
/// To wake up an `EventsLoop` from a another thread, see the `EventsLoopProxy` docs.
///
/// Note that the `EventsLoop` cannot be shared accross threads (due to platform-dependant logic
/// forbiding it), as such it is neither `Send` nor `Sync`. If you need cross-thread access, the
/// `Window` created from this `EventsLoop` _can_ be sent to an other thread, and the
/// `EventsLoopProxy` allows you to wakeup an `EventsLoop` from an other thread.
pub struct EventsLoop {
events_loop: platform::EventsLoop,
_marker: ::std::marker::PhantomData<*mut ()> // Not Send nor Sync
}
impl std::fmt::Debug for EventsLoop {
fn fmt(&self, fmtr: &mut std::fmt::Formatter) -> std::fmt::Result {
fmtr.pad("EventsLoop { .. }")
}
}
/// Returned by the user callback given to the `EventsLoop::run_forever` method.
///
/// Indicates whether the `run_forever` method should continue or complete.
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub enum ControlFlow {
/// Continue looping and waiting for events.
Continue,
/// Break from the event loop.
Break,
}
impl EventsLoop {
/// Builds a new events loop.
///
/// Usage will result in display backend initialisation, this can be controlled on linux
/// using an environment variable `WINIT_UNIX_BACKEND`. Legal values are `x11` and `wayland`.
/// If it is not set, winit will try to connect to a wayland connection, and if it fails will
/// fallback on x11. If this variable is set with any other value, winit will panic.
pub fn new() -> EventsLoop {
EventsLoop {
events_loop: platform::EventsLoop::new(),
_marker: ::std::marker::PhantomData,
}
}
/// Returns the list of all the monitors available on the system.
///
// Note: should be replaced with `-> impl Iterator` once stable.
#[inline]
pub fn get_available_monitors(&self) -> AvailableMonitorsIter {
let data = self.events_loop.get_available_monitors();
AvailableMonitorsIter{ data: data.into_iter() }
}
/// Returns the primary monitor of the system.
#[inline]
pub fn get_primary_monitor(&self) -> MonitorId {
MonitorId { inner: self.events_loop.get_primary_monitor() }
}
/// Fetches all the events that are pending, calls the callback function for each of them,
/// and returns.
#[inline]
pub fn poll_events<F>(&mut self, callback: F)
where F: FnMut(Event)
{
self.events_loop.poll_events(callback)
}
/// Calls `callback` every time an event is received. If no event is available, sleeps the
/// current thread and waits for an event. If the callback returns `ControlFlow::Break` then
/// `run_forever` will immediately return.
///
/// # Danger!
///
/// The callback is run after *every* event, so if its execution time is non-trivial the event queue may not empty
/// at a sufficient rate. Rendering in the callback with vsync enabled **will** cause significant lag.
#[inline]
pub fn run_forever<F>(&mut self, callback: F)
where F: FnMut(Event) -> ControlFlow
{
self.events_loop.run_forever(callback)
}
/// Creates an `EventsLoopProxy` that can be used to wake up the `EventsLoop` from another
/// thread.
pub fn create_proxy(&self) -> EventsLoopProxy {
EventsLoopProxy {
events_loop_proxy: self.events_loop.create_proxy(),
}
}
}
/// Used to wake up the `EventsLoop` from another thread.
#[derive(Clone)]
pub struct EventsLoopProxy {
events_loop_proxy: platform::EventsLoopProxy,
}
impl std::fmt::Debug for EventsLoopProxy {
fn fmt(&self, fmtr: &mut std::fmt::Formatter) -> std::fmt::Result {
fmtr.pad("EventsLoopProxy { .. }")
}
}
impl EventsLoopProxy {
/// Wake up the `EventsLoop` from which this proxy was created.
///
/// This causes the `EventsLoop` to emit an `Awakened` event.
///
/// Returns an `Err` if the associated `EventsLoop` no longer exists.
pub fn wakeup(&self) -> Result<(), EventsLoopClosed> {
self.events_loop_proxy.wakeup()
}
}
/// The error that is returned when an `EventsLoopProxy` attempts to wake up an `EventsLoop` that
/// no longer exists.
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub struct EventsLoopClosed;
impl std::fmt::Display for EventsLoopClosed {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "{}", std::error::Error::description(self))
}
}
impl std::error::Error for EventsLoopClosed {
fn description(&self) -> &str {
"Tried to wake up a closed `EventsLoop`"
}
}
/// Object that allows you to build windows.
#[derive(Clone)]
pub struct WindowBuilder {
/// The attributes to use to create the window.
pub window: WindowAttributes,
// Platform-specific configuration. Private.
platform_specific: platform::PlatformSpecificWindowBuilderAttributes,
}
impl std::fmt::Debug for WindowBuilder {
fn fmt(&self, fmtr: &mut std::fmt::Formatter) -> std::fmt::Result {
fmtr.debug_struct("WindowBuilder")
.field("window", &self.window)
.finish()
}
}
/// Error that can happen while creating a window or a headless renderer.
#[derive(Debug, Clone)]
pub enum CreationError {
OsError(String),
/// TODO: remove this error
NotSupported,
}
impl CreationError {
fn to_string(&self) -> &str {
match *self {
CreationError::OsError(ref text) => &text,
CreationError::NotSupported => "Some of the requested attributes are not supported",
}
}
}
impl std::fmt::Display for CreationError {
fn fmt(&self, formatter: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
formatter.write_str(self.to_string())
}
}
impl std::error::Error for CreationError {
fn description(&self) -> &str {
self.to_string()
}
}
/// Describes the appearance of the mouse cursor.
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub enum MouseCursor {
/// The platform-dependent default cursor.
Default,
/// A simple crosshair.
Crosshair,
/// A hand (often used to indicate links in web browsers).
Hand,
/// Self explanatory.
Arrow,
/// Indicates something is to be moved.
Move,
/// Indicates text that may be selected or edited.
Text,
/// Program busy indicator.
Wait,
/// Help indicator (often rendered as a "?")
Help,
/// Progress indicator. Shows that processing is being done. But in contrast
/// with "Wait" the user may still interact with the program. Often rendered
/// as a spinning beach ball, or an arrow with a watch or hourglass.
Progress,
/// Cursor showing that something cannot be done.
NotAllowed,
ContextMenu,
Cell,
VerticalText,
Alias,
Copy,
NoDrop,
Grab,
Grabbing,
AllScroll,
ZoomIn,
ZoomOut,
/// Indicate that some edge is to be moved. For example, the 'SeResize' cursor
/// is used when the movement starts from the south-east corner of the box.
EResize,
NResize,
NeResize,
NwResize,
SResize,
SeResize,
SwResize,
WResize,
EwResize,
NsResize,
NeswResize,
NwseResize,
ColResize,
RowResize,
}
impl Default for MouseCursor {
fn default() -> Self {
MouseCursor::Default
}
}
/// Attributes to use when creating a window.
#[derive(Debug, Clone)]
pub struct WindowAttributes {
/// The dimensions of the window. If this is `None`, some platform-specific dimensions will be
/// used.
///
/// The default is `None`.
pub dimensions: Option<LogicalSize>,
/// The minimum dimensions a window can be, If this is `None`, the window will have no minimum dimensions (aside from reserved).
///
/// The default is `None`.
pub min_dimensions: Option<LogicalSize>,
/// The maximum dimensions a window can be, If this is `None`, the maximum will have no maximum or will be set to the primary monitor's dimensions by the platform.
///
/// The default is `None`.
pub max_dimensions: Option<LogicalSize>,
/// Whether the window is resizable or not.
///
/// The default is `true`.
pub resizable: bool,
/// Whether the window should be set as fullscreen upon creation.
///
/// The default is `None`.
pub fullscreen: Option<MonitorId>,
/// The title of the window in the title bar.
///
/// The default is `"winit window"`.
pub title: String,
/// Whether the window should be maximized upon creation.
///
/// The default is `false`.
pub maximized: bool,
/// Whether the window should be immediately visible upon creation.
///
/// The default is `true`.
pub visible: bool,
/// Whether the the window should be transparent. If this is true, writing colors
/// with alpha values different than `1.0` will produce a transparent window.
///
/// The default is `false`.
pub transparent: bool,
/// Whether the window should have borders and bars.
///
/// The default is `true`.
pub decorations: bool,
/// Whether the window should always be on top of other windows.
///
/// The default is `false`.
pub always_on_top: bool,
/// The window icon.
///
/// The default is `None`.
pub window_icon: Option<Icon>,
/// [iOS only] Enable multitouch,
/// see [multipleTouchEnabled](https://developer.apple.com/documentation/uikit/uiview/1622519-multipletouchenabled)
pub multitouch: bool,
}
impl Default for WindowAttributes {
#[inline]
fn default() -> WindowAttributes {
WindowAttributes {
dimensions: None,
min_dimensions: None,
max_dimensions: None,
resizable: true,
title: "winit window".to_owned(),
maximized: false,
fullscreen: None,
visible: true,
transparent: false,
decorations: true,
always_on_top: false,
window_icon: None,
multitouch: false,
}
}
}

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