migrations/egui
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Introduce egui::FullOutput, returned from Context::run (#1292)

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* Introduce `egui::FullOutput`, returned from `Context::run`
* Rename `Output` to `PlatformOutput`
This commit is contained in:
Emil Ernerfeldt
2022-02-22 17:13:53 +01:00
committed by GitHub
parent c5a9421dbd
commit 31d324932c
17 changed files with 204 additions and 144 deletions
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19
README.md
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@@ -192,7 +192,7 @@ Missing an integration for the thing you're working on? Create one, it's easy!
### Writing your own egui integration
You need to collect [`egui::RawInput`](https://docs.rs/egui/latest/egui/struct.RawInput.html), paint [`egui::ClippedMesh`](https://docs.rs/epaint/latest/epaint/struct.ClippedMesh.html):es and handle [`egui::Output`](https://docs.rs/egui/latest/egui/struct.Output.html). The basic structure is this:
You need to collect [`egui::RawInput`](https://docs.rs/egui/latest/egui/struct.RawInput.html) and handle [`egui::FullOutput`](https://docs.rs/egui/latest/egui/struct.FullOutput.html). The basic structure is this:
``` rust
let mut egui_ctx = egui::CtxRef::default();
@@ -201,20 +201,19 @@ let mut egui_ctx = egui::CtxRef::default();
loop {
// Gather input (mouse, touches, keyboard, screen size, etc):
let raw_input: egui::RawInput = my_integration.gather_input();
let (output, shapes) = egui_ctx.run(raw_input, |egui_ctx| {
let full_output = egui_ctx.run(raw_input, |egui_ctx| {
my_app.ui(egui_ctx); // add panels, windows and widgets to `egui_ctx` here
});
let clipped_meshes = egui_ctx.tessellate(shapes); // creates triangles to paint
let clipped_meshes = egui_ctx.tessellate(full_output.shapes); // creates triangles to paint
my_integration.set_egui_textures(&output.textures_delta.set);
my_integration.paint(clipped_meshes);
my_integration.free_egui_textures(&output.textures_delta.free);
my_integration.paint(&full_output.textures_delta, clipped_meshes);
my_integration.set_cursor_icon(output.cursor_icon);
if !output.copied_text.is_empty() {
my_integration.set_clipboard_text(output.copied_text);
let platform_output = full_output.platform_output;
my_integration.set_cursor_icon(platform_output.cursor_icon);
if !platform_output.copied_text.is_empty() {
my_integration.set_clipboard_text(platform_output.copied_text);
}
// See `egui::Output` for more
// See `egui::FullOutput` and `egui::PlatformOutput` for more
}
```