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Improve the UI for changing the egui theme (#4257)

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I added a new demo - a `Frame` editor:

![frame-editor](https://github.com/emilk/egui/assets/1148717/d0bec169-c211-45a3-9f53-5059fb8fc224)

This whole menu is now just a a bit nicer to use:
<img width="406" alt="Screenshot 2024-03-28 at 09 49 16"
src="https://github.com/emilk/egui/assets/1148717/32d12067-7cf0-4312-aa12-42909a5ed5ac">
This commit is contained in:
Emil Ernerfeldt
2024-03-28 10:09:28 +01:00
committed by GitHub
parent e183655aac
commit 3dba73e63e
23 changed files with 635 additions and 334 deletions
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2
crates/egui_demo_app/src/apps/fractal_clock.rs
View File

@@ -79,7 +79,7 @@ impl FractalClock {
ui.add(Slider::new(&mut self.luminance_factor, 0.0..=1.0).text("luminance factor"));
ui.add(Slider::new(&mut self.width_factor, 0.0..=1.0).text("width factor"));
egui::reset_button(ui, self);
egui::reset_button(ui, self, "Reset");
ui.hyperlink_to(
"Inspired by a screensaver by Rob Mayoff",

8
crates/egui_demo_app/src/wrap_app.rs
View File

@@ -245,7 +245,13 @@ impl eframe::App for WrapApp {
}
fn clear_color(&self, visuals: &egui::Visuals) -> [f32; 4] {
visuals.panel_fill.to_normalized_gamma_f32()
// Give the area behind the floating windows a different color, because it looks better:
let color = egui::lerp(
egui::Rgba::from(visuals.panel_fill)..=egui::Rgba::from(visuals.extreme_bg_color),
0.5,
);
let color = egui::Color32::from(color);
color.to_normalized_gamma_f32()
}
fn update(&mut self, ctx: &egui::Context, frame: &mut eframe::Frame) {