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Add keyboard modifiers to input event

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Making applications track modifier keys results in unnecessary work for
consumers, it's error prone, and it turns out to have unavoidable bugs.
For example, alt-tabbing with x11 results in the alt modifier state
getting stuck.

To resolve these problems, this patch adds a Mods value to the keyboard
input event.

Based on this patch: d287fa96e3
This commit is contained in:
Erik Rigtorp
2017-01-17 12:01:10 -06:00
parent 449f7d9d90
commit f3ccdb7aec
9 changed files with 40 additions and 14 deletions
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10
src/platform/macos/events_loop.rs
View File

@@ -1,6 +1,6 @@
use cocoa::{self, appkit, foundation};
use cocoa::appkit::{NSApplication, NSEvent, NSView, NSWindow};
use events::{self, ElementState, Event, MouseButton, TouchPhase, WindowEvent};
use events::{self, ElementState, Event, MouseButton, TouchPhase, WindowEvent, Modifiers};
use super::window::Window;
use std;
@@ -271,7 +271,7 @@ impl EventsLoop {
let vkey = to_virtual_key_code(NSEvent::keyCode(ns_event));
let state = ElementState::Pressed;
let code = NSEvent::keyCode(ns_event) as u8;
let window_event = WindowEvent::KeyboardInput(state, code, vkey);
let window_event = WindowEvent::KeyboardInput(state, code, vkey, ModifiersState::default());
events.push_back(into_event(window_event));
let event = events.pop_front();
self.pending_events.lock().unwrap().extend(events.into_iter());
@@ -283,7 +283,7 @@ impl EventsLoop {
let state = ElementState::Released;
let code = NSEvent::keyCode(ns_event) as u8;
let window_event = WindowEvent::KeyboardInput(state, code, vkey);
let window_event = WindowEvent::KeyboardInput(state, code, vkey, ModifiersState::default());
Some(into_event(window_event))
},
@@ -298,13 +298,13 @@ impl EventsLoop {
if !key_pressed && NSEvent::modifierFlags(event).contains(keymask) {
let state = ElementState::Pressed;
let code = NSEvent::keyCode(event) as u8;
let window_event = WindowEvent::KeyboardInput(state, code, Some(key));
let window_event = WindowEvent::KeyboardInput(state, code, Some(key), ModifiersState::default());
Some(window_event)
} else if key_pressed && !NSEvent::modifierFlags(event).contains(keymask) {
let state = ElementState::Released;
let code = NSEvent::keyCode(event) as u8;
let window_event = WindowEvent::KeyboardInput(state, code, Some(key));
let window_event = WindowEvent::KeyboardInput(state, code, Some(key), ModifiersState::default());
Some(window_event)
} else {

5
src/platform/windows/callback.rs
View File

@@ -8,6 +8,7 @@ use std::os::windows::ffi::OsStringExt;
use CursorState;
use WindowEvent as Event;
use events::ModifersState;
use super::event;
use super::WindowState;
@@ -200,7 +201,7 @@ pub unsafe extern "system" fn callback(window: winapi::HWND, msg: winapi::UINT,
user32::DefWindowProcW(window, msg, wparam, lparam)
} else {
let (scancode, vkey) = event::vkeycode_to_element(wparam, lparam);
send_event(window, KeyboardInput(Pressed, scancode, vkey));
send_event(window, KeyboardInput(Pressed, scancode, vkey, ModifersState::default()));
0
}
},
@@ -209,7 +210,7 @@ pub unsafe extern "system" fn callback(window: winapi::HWND, msg: winapi::UINT,
use events::WindowEvent::KeyboardInput;
use events::ElementState::Released;
let (scancode, vkey) = event::vkeycode_to_element(wparam, lparam);
send_event(window, KeyboardInput(Released, scancode, vkey));
send_event(window, KeyboardInput(Released, scancode, vkey, ModifersState::default()));
0
},