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Fix occational flickering of pointer-tooltips (#4788) 

Affects uses of `on_hover_ui_at_pointer` and `show_tooltip_at_pointer`
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Emil Ernerfeldt 2024-07-05 11:36:26 +02:00 committed by GitHub
parent 0be4450e3d
commit 0a9e0c87a4
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1 changed files with 13 additions and 3 deletions
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16
crates/egui/src/containers/popup.rs
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@ -79,12 +79,22 @@ pub fn show_tooltip_at_pointer<R>(
add_contents: impl FnOnce(&mut Ui) -> R, add_contents: impl FnOnce(&mut Ui) -> R,
) -> Option<R> { ) -> Option<R> {
ctx.input(|i| i.pointer.hover_pos()).map(|pointer_pos| { ctx.input(|i| i.pointer.hover_pos()).map(|pointer_pos| {
show_tooltip_at( let allow_placing_below = true;
// Add a small exclusion zone around the pointer to avoid tooltips
// covering what we're hovering over.
let mut exclusion_rect = Rect::from_center_size(pointer_pos, Vec2::splat(24.0));
// Keep the left edge of the tooltip in line with the cursor:
exclusion_rect.min.x = pointer_pos.x;
show_tooltip_at_dyn(
ctx, ctx,
parent_layer, parent_layer,
widget_id, widget_id,
pointer_pos + vec2(16.0, 16.0), allow_placing_below,
add_contents, &exclusion_rect,
Box::new(add_contents),
) )
}) })
} }