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Restrict multiple hovered regions to a single stacking context

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We won't hover regions from stacking contexts that are below the one being hovered.
This commit is contained in:
Nathan Sobo 2022-05-27 11:09:07 -06:00
parent 9099c40364
commit 5413a97c7e
3 changed files with 20 additions and 13 deletions
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14
crates/gpui/src/presenter.rs
View file

@ -28,7 +28,7 @@ pub struct Presenter {
pub(crate) rendered_views: HashMap<usize, ElementBox>,
parents: HashMap<usize, usize>,
cursor_regions: Vec<CursorRegion>,
mouse_regions: Vec<MouseRegion>,
mouse_regions: Vec<(MouseRegion, usize)>,
font_cache: Arc<FontCache>,
text_layout_cache: TextLayoutCache,
asset_cache: Arc<AssetCache>,
@ -230,7 +230,7 @@ impl Presenter {
match event {
Event::LeftMouseDown { position, .. } => {
for region in self.mouse_regions.iter().rev() {
for (region, _) in self.mouse_regions.iter().rev() {
if region.bounds.contains_point(position) {
invalidated_views.push(region.view_id);
mouse_down_region = Some((region.clone(), position));
@ -254,7 +254,7 @@ impl Presenter {
}
}
Event::RightMouseDown { position, .. } => {
for region in self.mouse_regions.iter().rev() {
for (region, _) in self.mouse_regions.iter().rev() {
if region.bounds.contains_point(position) {
invalidated_views.push(region.view_id);
right_mouse_down_region = Some((region.clone(), position));
@ -291,9 +291,13 @@ impl Presenter {
}
cx.platform().set_cursor_style(style_to_assign);
for region in self.mouse_regions.iter().rev() {
let mut hover_depth = None;
for (region, depth) in self.mouse_regions.iter().rev() {
let region_id = region.id();
if region.bounds.contains_point(position) {
if region.bounds.contains_point(position)
&& hover_depth.map_or(true, |hover_depth| hover_depth == *depth)
{
hover_depth = Some(*depth);
if !self.hovered_region_ids.contains(&region_id) {
invalidated_views.push(region.view_id);
hovered_regions.push(region.clone());

15
crates/gpui/src/scene.rs
View file

@ -210,11 +210,16 @@ impl Scene {
.collect()
}
pub fn mouse_regions(&self) -> Vec<MouseRegion> {
self.layers()
.flat_map(|layer| &layer.mouse_regions)
.cloned()
.collect()
pub fn mouse_regions(&self) -> Vec<(MouseRegion, usize)> {
let mut regions = Vec::new();
for (stacking_depth, stacking_context) in self.stacking_contexts.iter().enumerate() {
for layer in &stacking_context.layers {
for mouse_region in &layer.mouse_regions {
regions.push((mouse_region.clone(), stacking_depth));
}
}
}
regions
}
pub fn push_stacking_context(&mut self, clip_bounds: Option<RectF>) {