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Add move_to_top and top_most_layer (#1242)

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This commit is contained in:
Friz64
2022-02-15 17:13:08 +01:00
committed by GitHub
parent 8f8eb5d4a9
commit c8c871fcd1
3 changed files with 19 additions and 1 deletions
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11
egui/src/context.rs
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@@ -889,6 +889,17 @@ impl Context {
self.memory().layer_id_at(pos, resize_grab_radius_side)
}
/// The overall top-most layer. When an area is clicked on or interacted
/// with, it is moved above all other areas.
pub fn top_most_layer(&self) -> Option<LayerId> {
self.memory().top_most_layer()
}
/// Moves the given area to the top.
pub fn move_to_top(&self, layer_id: LayerId) {
self.memory().areas.move_to_top(layer_id);
}
pub(crate) fn rect_contains_pointer(&self, layer_id: LayerId, rect: Rect) -> bool {
let pointer_pos = self.input().pointer.interact_pos();
if let Some(pointer_pos) = pointer_pos {

6
egui/src/memory.rs
View File

@@ -329,6 +329,12 @@ impl Memory {
self.areas.layer_id_at(pos, resize_interact_radius_side)
}
/// The overall top-most layer. When an area is clicked on or interacted
/// with, it is moved above all other areas.
pub fn top_most_layer(&self) -> Option<LayerId> {
self.areas.order().last().copied()
}
pub(crate) fn had_focus_last_frame(&self, id: Id) -> bool {
self.interaction.focus.id_previous_frame == Some(id)
}