The three methods for showing a `Panel` are now:
* `panel.show`: always show the panel.
* `panel.show_collapsible`: show or hide the panel, with a slide
animation in between.
* `Panel::show_switched`: animate between two different panels: a
thin/collapsed one and a thick/expanded one.
* Part of https://github.com/emilk/egui/issues/5113
* Part of https://github.com/emilk/egui/issues/3524
## What
This deprecates `eframe::App::update` and replaces it with two new
functions:
```rs
pub trait App {
/// Called just before `ui`, and in the future this will
/// also be called for background apps when needed.
fn logic(&mut self, ctx: &egui::Context, frame: &mut Frame) { }
/// Show your user interface to the user.
fn ui(&mut self, ui: &mut egui::Ui, frame: &mut Frame);
…
}
```
Similarly, `Context::run` is deprecated in favor of `Context::run_ui`.
`Plugin`s are now handed a `Ui` instead of just a `Context` in
`on_begin/end_frame`.
## TODO
…either in this PR or a later one
* [x] Deprecate `App::update`
* [x] Deprecate `Context::run`
* [x] Change plugins to get a `Ui`
* [x] Update kittest
* [x] Change viewports to get UI:s (`show_viewport_immediate` etc)
- https://github.com/emilk/egui/pull/7779
## Later PRs
* [ ] Deprecate `Panel::show`
* [ ] Deprecate `CentralPanel::show`
* [ ] Deprecate `CentralPanel` ?
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I removed (I hope so) all wildcard imports I found.
For me on my pc this improved the build time:
- for egui -5s
- for eframe -12s
* [x] I have followed the instructions in the PR template
The closure passed to `eframe::run_native` now returns a `Result`,
allowing you to return an error during app creation, which will be
returned to the caller of `run_native`.
This means you need to wrap your `Box::new(MyApp::new(…))` in an
`Ok(…)`.
* Closes https://github.com/emilk/egui/issues/4474
Thanks to `impl From<bool> for Vec2b` one can now shorten some builder
calls, like:
Previous:
```rust
egui::ScrollArea::vertical()
.auto_shrink([false; 2])
```
New:
```rust
egui::ScrollArea::vertical()
.auto_shrink(false)
```
* Replace tracing crate with log
It's just so much simpler to use
* Add `bacon wasm` job
* eframe: add a WebLogger for piping log events to the web console
* eframe::run_native: return errors instead of crashing
* Detect and handle glutin errors
* egui_demo_app: silence wgpu log spam
* Add trace logs for why eframe is shutting down
* Fix: only save App state once on Mac
* Handle Winit failure
* Log where we load app state from
* Don't panic on zero-sized window
* Clamp loaded window size to not be too tiny to see
* Simplify code: more shared code in window_builder
* Improve code readability
* Fix wasm32 build
* fix android
* Update changelog
* Fix key press event
* Add example with key presses
* Changelog line for key_press fix
* PR review improvements
* Add PR link in changelog
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
