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[button] Implement paint culling for buttons

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This commit is contained in:
Emil Ernerfeldt 2020-12-12 19:34:18 +01:00
parent 02b1e82a6e
commit 4db9b82435
1 changed files with 21 additions and 19 deletions
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40
egui/src/widgets/mod.rs
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@ -389,28 +389,30 @@ impl Widget for Button {
let id = ui.make_position_id(); let id = ui.make_position_id();
let response = ui.interact(rect, id, sense); let response = ui.interact(rect, id, sense);
let visuals = ui.style().interact(&response); if ui.clip_rect().intersects(rect) {
let text_cursor = ui let visuals = ui.style().interact(&response);
.layout() let text_cursor = ui
.align_size_within_rect(galley.size, response.rect.shrink2(button_padding)) .layout()
.min; .align_size_within_rect(galley.size, response.rect.shrink2(button_padding))
.min;
if frame { if frame {
let fill = fill.unwrap_or(visuals.bg_fill); let fill = fill.unwrap_or(visuals.bg_fill);
ui.painter().rect( ui.painter().rect(
response.rect, response.rect,
visuals.corner_radius, visuals.corner_radius,
fill, fill,
visuals.bg_stroke, visuals.bg_stroke,
); );
}
let text_color = text_color
.or(ui.style().visuals.override_text_color)
.unwrap_or_else(|| visuals.text_color());
ui.painter()
.galley(text_cursor, galley, text_style, text_color);
} }
let text_color = text_color
.or(ui.style().visuals.override_text_color)
.unwrap_or_else(|| visuals.text_color());
ui.painter()
.galley(text_cursor, galley, text_style, text_color);
response response
} }
} }