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xdg-toplevel: center fullscreen surfaces with geometry smaller than output

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This commit is contained in:
Julian Orth 2025-08-30 15:23:44 +02:00
parent 642eaffcff
commit 197b069c50
6 changed files with 81 additions and 26 deletions
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15
src/ifs/wl_surface.rs
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@ -301,6 +301,7 @@ pub struct WlSurface {
pub extents: Cell<Rect>,
pub buffer_abs_pos: Cell<Rect>,
pub need_extents_update: Cell<bool>,
need_extents_propagation: Cell<bool>,
pub buffer: CloneCell<Option<Rc<SurfaceBuffer>>>,
pub shm_staging: CloneCell<Option<Rc<dyn GfxStagingBuffer>>>,
pub shm_textures: DoubleBuffered<SurfaceShmTexture>,
@ -650,6 +651,7 @@ impl WlSurface {
extents: Default::default(),
buffer_abs_pos: Cell::new(Default::default()),
need_extents_update: Default::default(),
need_extents_propagation: Default::default(),
buffer: Default::default(),
shm_staging: Default::default(),
shm_textures: DoubleBuffered::new(DamageQueue::new().map(|damage| SurfaceShmTexture {
@ -904,7 +906,7 @@ impl WlSurface {
self.ext.set(self.client.state.none_surface_ext.clone());
}
fn calculate_extents(&self) {
fn calculate_extents(&self, propagate: bool) {
let old_extents = self.extents.get();
let mut extents = self.buffer_abs_pos.get().at_point(0, 0);
let children = self.children.borrow();
@ -925,7 +927,11 @@ impl WlSurface {
self.extents.set(extents);
self.need_extents_update.set(false);
if old_extents != extents {
self.ext.get().extents_changed()
if propagate {
self.ext.get().extents_changed()
} else {
self.need_extents_propagation.set(true);
}
}
}
@ -1398,7 +1404,7 @@ impl WlSurface {
.push(XWaylandEvent::SurfaceSerialAssigned(self.id));
}
if self.need_extents_update.get() {
self.calculate_extents();
self.calculate_extents(false);
}
if buffer_changed || transform_changed || alpha_changed {
for (_, cursor) in &self.cursors {
@ -1461,6 +1467,9 @@ impl WlSurface {
{
self.output.get().update_presentation_type();
}
if self.need_extents_propagation.take() {
self.ext.get().extents_changed();
}
self.commit_version.fetch_add(1);
Ok(())
}