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eframe: Replace Frame::update with fn logic and fn ui (#7775)

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* 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` ?
This commit is contained in:
Emil Ernerfeldt
2025-12-16 17:05:50 +01:00
committed by GitHub
parent 9487dc35ec
commit 2f6fe9c572
52 changed files with 417 additions and 321 deletions
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8
tests/test_size_pass/src/main.rs
View File

@@ -7,9 +7,9 @@ fn main() -> eframe::Result {
env_logger::init(); // Use `RUST_LOG=debug` to see logs.
let options = eframe::NativeOptions::default();
eframe::run_simple_native("My egui App", options, move |ctx, _frame| {
eframe::run_ui_native("My egui App", options, move |ui, _frame| {
// A bottom panel to force the tooltips to consider if the fit below or under the widget:
egui::Panel::bottom("bottom").show(ctx, |ui| {
egui::Panel::bottom("bottom").show_inside(ui, |ui| {
ui.horizontal(|ui| {
ui.vertical(|ui| {
ui.label("Single tooltips:");
@@ -33,10 +33,10 @@ fn main() -> eframe::Result {
});
});
egui::CentralPanel::default().show(ctx, |ui| {
egui::CentralPanel::default().show_inside(ui, |ui| {
ui.horizontal(|ui| {
if ui.button("Reset egui memory").clicked() {
ctx.memory_mut(|mem| *mem = Default::default());
ui.memory_mut(|mem| *mem = Default::default());
}
ui.with_layout(egui::Layout::right_to_left(egui::Align::BOTTOM), |ui| {