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wgui: StyleSetRequest

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This commit is contained in:
Aleksander
2025-11-26 22:49:50 +01:00
parent 85eab33c94
commit 9696d6730d
6 changed files with 88 additions and 72 deletions
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wgui/src/layout.rs
+24 -11
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@@ -721,20 +721,33 @@ impl Layout {
}
}
for (widget_id, new_style) in alterables.style_set_requests {
if let Some(node_id) = self.state.nodes.get(widget_id) {
let old_style = self.state.tree.style(*node_id).unwrap() /* always safe */;
for (widget_id, style_request) in alterables.style_set_requests {
let Some(node_id) = self.state.nodes.get(widget_id) else {
continue;
};
// refresh the component in case if visibility/display mode has changed
if old_style.display != new_style.display
&& let Some(component) = self.registered_components_to_refresh.get(node_id)
{
self.components_to_refresh_once.insert(component.clone());
}
// taffy requires us to copy this whole 536-byte style struct.
// we can't get `&mut Style` directly from taffy unfortunately
let mut cur_style = self.state.tree.style(*node_id).unwrap().clone() /* always safe */;
if let Err(e) = self.state.tree.set_style(*node_id, new_style) {
log::error!("failed to set style for taffy widget ID {node_id:?}: {e:?}");
match style_request {
event::StyleSetRequest::Display(display) => {
// refresh the component in case if visibility/display mode has changed
if cur_style.display != display
&& let Some(component) = self.registered_components_to_refresh.get(node_id)
{
self.components_to_refresh_once.insert(component.clone());
}
cur_style.display = display;
}
event::StyleSetRequest::Margin(margin) => {
cur_style.margin = margin;
}
}
if let Err(e) = self.state.tree.set_style(*node_id, cur_style) {
log::error!("failed to set style for taffy widget ID {node_id:?}: {e:?}");
}
}