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Refactor Ui::next_auto_id_source

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This commit is contained in:
Emil Ernerfeldt 2021-04-21 22:19:51 +02:00
parent a59c8ac2c3
commit 07da54ad08
1 changed files with 12 additions and 15 deletions
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27
egui/src/ui.rs
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@ -38,7 +38,7 @@ pub struct Ui {
/// and the value is increment with each added child widget.
/// This works as an Id source only as long as new widgets aren't added or removed.
/// They are therefore only good for Id:s that has no state.
next_auto_id: u64,
next_auto_id_source: u64,
/// Specifies paint layer, clip rectangle and a reference to `Context`.
painter: Painter,
@ -64,7 +64,7 @@ impl Ui {
let style = ctx.style();
Ui {
id,
next_auto_id: id.with("auto").value(),
next_auto_id_source: id.with("auto").value(),
painter: Painter::new(ctx, layer_id, clip_rect),
style,
placer: Placer::new(max_rect, Layout::default()),
@ -74,11 +74,12 @@ impl Ui {
pub fn child_ui(&mut self, max_rect: Rect, layout: Layout) -> Self {
debug_assert!(!max_rect.any_nan());
self.next_auto_id = self.next_auto_id.wrapping_add(1);
let next_auto_id_source = Id::new(self.next_auto_id_source).with("child").value();
self.next_auto_id_source = self.next_auto_id_source.wrapping_add(1);
Ui {
id: self.id.with("child"),
next_auto_id: Id::new(self.next_auto_id).with("child").value(),
next_auto_id_source,
painter: self.painter.clone(),
style: self.style.clone(),
placer: Placer::new(max_rect, layout),
@ -457,20 +458,15 @@ impl Ui {
self.id.with(&id_source)
}
#[deprecated = "This id now returned from ui.allocate_space"]
pub fn make_position_id(&self) -> Id {
Id::new(self.next_auto_id)
}
pub(crate) fn next_auto_id(&self) -> Id {
Id::new(self.next_auto_id.wrapping_add(1))
Id::new(self.next_auto_id_source)
}
pub(crate) fn auto_id_with<IdSource>(&self, id_source: IdSource) -> Id
where
IdSource: Hash + std::fmt::Debug,
{
Id::new(self.next_auto_id).with(id_source)
Id::new(self.next_auto_id_source).with(id_source)
}
}
@ -633,8 +629,8 @@ impl Ui {
}
}
self.next_auto_id = self.next_auto_id.wrapping_add(1);
let id = Id::new(self.next_auto_id);
let id = Id::new(self.next_auto_id_source);
self.next_auto_id_source = self.next_auto_id_source.wrapping_add(1);
(id, rect)
}
@ -671,8 +667,9 @@ impl Ui {
self.placer.debug_paint_cursor(&painter);
}
self.next_auto_id = self.next_auto_id.wrapping_add(1);
Id::new(self.next_auto_id)
let id = Id::new(self.next_auto_id_source);
self.next_auto_id_source = self.next_auto_id_source.wrapping_add(1);
id
}
pub(crate) fn placer(&self) -> &Placer {