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container: defer repaints to prevent visual artifacts

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This commit is contained in:
atagen 2026-04-06 21:58:59 +10:00
parent fb85fad953
commit fdf8569952
1 changed files with 31 additions and 5 deletions
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34
src/tree/container.rs
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@ -1,5 +1,6 @@
use {
crate::{
async_engine::SpawnedFuture,
backend::ButtonState,
cursor::KnownCursor,
cursor_user::CursorUser,
@ -137,6 +138,8 @@ pub struct ContainerNode {
scroller: Scroller,
toplevel_data: ToplevelData,
attention_requests: ThresholdCounter,
pending_layout_damage: Cell<bool>,
layout_damage_timeout: Cell<Option<SpawnedFuture<()>>>,
}
impl Debug for ContainerNode {
@ -253,6 +256,8 @@ impl ContainerNode {
weak,
),
attention_requests: Default::default(),
pending_layout_damage: Cell::new(false),
layout_damage_timeout: Cell::new(None),
});
child.tl_set_parent(slf.clone());
slf.pull_child_properties(&child_node_ref);
@ -401,9 +406,21 @@ impl ContainerNode {
fn schedule_layout(self: &Rc<Self>) {
if !self.layout_scheduled.replace(true) {
self.state.pending_container_layout.push(self.clone());
if self.toplevel_data.visible.get() {
self.damage();
}
if self.toplevel_data.visible.get() {
self.pending_layout_damage.set(true);
}
}
fn schedule_layout_immediate(self: &Rc<Self>) {
self.schedule_layout();
self.flush_layout_damage();
}
fn flush_layout_damage(&self) {
if self.pending_layout_damage.replace(false) {
self.damage();
self.layout_damage_timeout.take();
}
}
@ -421,6 +438,14 @@ impl ContainerNode {
// log::info!("perform_layout");
self.schedule_render_titles();
self.schedule_compute_render_positions();
if self.pending_layout_damage.get() {
let slf = self.clone();
let timeout = self.state.eng.spawn("layout damage timeout", async move {
slf.state.wheel.timeout(16).await.ok();
slf.flush_layout_damage();
});
self.layout_damage_timeout.set(Some(timeout));
}
}
fn perform_mono_layout(self: &Rc<Self>, child: &ContainerChild) {
@ -660,7 +685,7 @@ impl ContainerNode {
op.child.factor.set(child_factor);
self.sum_factors.set(sum_factors);
// log::info!("pointer_move");
self.schedule_layout();
self.schedule_layout_immediate();
}
}
return;
@ -1734,6 +1759,7 @@ impl Node for ContainerNode {
if let Some(node) = cn.get(&child.node_id()) {
self.update_child_size(node, width, height);
}
self.flush_layout_damage();
}
fn node_child_active_changed(self: Rc<Self>, child: &dyn Node, active: bool, depth: u32) {
@ -2183,7 +2209,7 @@ impl ContainingNode for ContainerNode {
sum_factors = sum_factors - child.factor.get() + factor;
child.factor.set(factor);
self.sum_factors.set(sum_factors);
self.schedule_layout();
self.schedule_layout_immediate();
}
}
let pos = self.node_absolute_position();