migrations/egui
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[style] Slightly expand buttons when hovering and interacting

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This commit is contained in:
Emil Ernerfeldt
2021-01-12 20:50:54 +01:00
parent 1b40a5dda5
commit 6d8a766614
10 changed files with 45 additions and 20 deletions
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2
egui_demo_lib/src/apps/demo/toggle_switch.rs
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@@ -44,6 +44,7 @@ pub fn toggle(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
let on_bg_fill = egui::Rgba::from_rgb(0.0, 0.5, 0.25);
let bg_fill = egui::lerp(off_bg_fill..=on_bg_fill, how_on);
// All coordinates are in absolute screen coordinates so we use `rect` to place the elements.
let rect = rect.expand(visuals.expansion);
let radius = 0.5 * rect.height();
ui.painter().rect(rect, radius, bg_fill, visuals.bg_stroke);
// Paint the circle, animating it from left to right with `how_on`:
@@ -69,6 +70,7 @@ fn toggle_compact(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
let off_bg_fill = egui::Rgba::TRANSPARENT;
let on_bg_fill = egui::Rgba::from_rgb(0.0, 0.5, 0.25);
let bg_fill = egui::lerp(off_bg_fill..=on_bg_fill, how_on);
let rect = rect.expand(visuals.expansion);
let radius = 0.5 * rect.height();
ui.painter().rect(rect, radius, bg_fill, visuals.bg_stroke);
let circle_x = egui::lerp((rect.left() + radius)..=(rect.right() - radius), how_on);