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move widgets on draw if region size is same

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shadow cat
2025-09-27 16:11:30 -04:00
parent 5f2dffc189
commit 95f049acb4
13 changed files with 204 additions and 176 deletions
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20
src/layout/widgets.rs
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@@ -24,22 +24,22 @@ impl Widgets {
}
}
pub fn get_dyn(&self, id: &Id) -> Option<&dyn Widget> {
Some(self.map.get(id)?.widget.as_ref())
pub fn get_dyn(&self, id: Id) -> Option<&dyn Widget> {
Some(self.map.get(&id)?.widget.as_ref())
}
pub fn get_dyn_mut(&mut self, id: &Id) -> Option<&mut dyn Widget> {
Some(self.map.get_mut(id)?.widget.as_mut())
pub fn get_dyn_mut(&mut self, id: Id) -> Option<&mut dyn Widget> {
Some(self.map.get_mut(&id)?.widget.as_mut())
}
/// get_dyn but dynamic borrow checking of widgets
/// lets you do recursive (tree) operations, like the painter does
pub fn get_dyn_dynamic(&self, id: &Id) -> WidgetWrapper<'_> {
pub fn get_dyn_dynamic(&self, id: Id) -> WidgetWrapper<'_> {
// SAFETY: must guarantee no other mutable references to this widget exist
// done through the borrow variable
#[allow(mutable_transmutes)]
let data = unsafe {
std::mem::transmute::<&WidgetData, &mut WidgetData>(self.map.get(id).unwrap())
std::mem::transmute::<&WidgetData, &mut WidgetData>(self.map.get(&id).unwrap())
};
if data.borrowed {
panic!("tried to mutably borrow the same widget twice");
@@ -48,19 +48,19 @@ impl Widgets {
}
pub fn get_static<W: Widget>(&self, id: &StaticWidgetId<W>) -> Option<&W> {
self.get_dyn(&id.id.id())?.as_any().downcast_ref()
self.get_dyn(id.id)?.as_any().downcast_ref()
}
pub fn get_static_mut<W: Widget>(&mut self, id: &StaticWidgetId<W>) -> Option<&mut W> {
self.get_dyn_mut(&id.id.id())?.as_any_mut().downcast_mut()
self.get_dyn_mut(id.id)?.as_any_mut().downcast_mut()
}
pub fn get<W: Widget>(&self, id: &WidgetId<W>) -> Option<&W> {
self.get_dyn(&id.id)?.as_any().downcast_ref()
self.get_dyn(id.id)?.as_any().downcast_ref()
}
pub fn get_mut<W: Widget>(&mut self, id: &WidgetId<W>) -> Option<&mut W> {
self.get_dyn_mut(&id.id)?.as_any_mut().downcast_mut()
self.get_dyn_mut(id.id)?.as_any_mut().downcast_mut()
}
pub fn insert<W: Widget>(&mut self, id: Id, widget: W) {