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Rename expand_in_place

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This commit is contained in:
Lucas Meurer
2026-08-31 17:03:48 +02:00
parent 059f3879c4
commit 52a6532232
2 changed files with 16 additions and 7 deletions
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17
crates/egui/src/containers/frame.rs
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@@ -298,15 +298,22 @@ impl Frame {
self
}
/// Expand the frame without affecting layout.
/// Handle `stroke` and `expansion` without affecting layout.
///
/// This handles `expansion` by subtracting it from the outer margin and adding it to the
/// inner margin. It also corrects for a stroke changing on hover, by subtracting the stroke
/// width from `inner_margin`.
/// inner margin. It also corrects for `stroke`, by subtracting the stroke width from `inner_margin`.
///
/// Use this when stroke or expansion might change on hover, and you don't want it to cause
/// layout shifts.
#[inline]
pub fn expand_in_place(mut self, expansion: f32) -> Self {
pub fn apply_stroke_and_expansion_without_layout_shift(
mut self,
stroke: Stroke,
expansion: f32,
) -> Self {
self.outer_margin = self.outer_margin - Margin::from(expansion);
self.inner_margin = self.inner_margin + Margin::from(expansion - self.stroke.width);
self.inner_margin = self.inner_margin + Margin::from(expansion - stroke.width);
self.stroke = stroke;
self
}

6
crates/egui/src/theme/default_style.rs
View File

@@ -55,13 +55,15 @@ impl StyleProvider<ButtonStyle> for DefaultStyle {
let painted_frame = Frame {
fill: widget_visuals.weak_bg_fill,
stroke: widget_visuals.bg_stroke,
corner_radius: widget_visuals.corner_radius,
inner_margin,
..Default::default()
}
// Ensure changing expansion and stroke don't affect layout:
.expand_in_place(widget_visuals.expansion);
.apply_stroke_and_expansion_without_layout_shift(
widget_visuals.bg_stroke,
widget_visuals.expansion,
);
let has_frame = classes.has_class(&Button::CLASS_FRAME)
|| (!classes.has_class(&Button::CLASS_NO_FRAME) && style.visuals.button_frame);