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Fix on_hover_text_at_pointer for transformed layers (#5429)

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This commit is contained in:
Emil Ernerfeldt
2024-12-04 14:23:05 +01:00
committed by GitHub
parent cd0f5859b2
commit c5ac7d301a
3 changed files with 25 additions and 10 deletions
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12
crates/egui/src/containers/popup.rs
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@@ -87,17 +87,22 @@ pub fn show_tooltip_at_pointer<R>(
// 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));
let mut pointer_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;
pointer_rect.min.x = pointer_pos.x;
// Transform global coords to layer coords:
if let Some(transform) = ctx.memory(|m| m.layer_transforms.get(&parent_layer).copied()) {
pointer_rect = transform.inverse() * pointer_rect;
}
show_tooltip_at_dyn(
ctx,
parent_layer,
widget_id,
allow_placing_below,
&exclusion_rect,
&pointer_rect,
Box::new(add_contents),
)
})
@@ -155,6 +160,7 @@ fn show_tooltip_at_dyn<'c, R>(
widget_rect: &Rect,
add_contents: Box<dyn FnOnce(&mut Ui) -> R + 'c>,
) -> R {
// Transform layer coords to global coords:
let mut widget_rect = *widget_rect;
if let Some(transform) = ctx.memory(|m| m.layer_transforms.get(&parent_layer).copied()) {
widget_rect = transform * widget_rect;