Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-06 06:00:15 +01:00
Code Issues Projects Releases Packages Wiki Activity

Return the result from DisplayItem::hit_test().

Browse source
This commit is contained in:
Ms2ger 2016-06-28 16:58:36 +02:00
parent ae064dc7c1
commit 4e8ff4f9bc
1 changed files with 13 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

23
components/gfx/display_list/mod.rs
View file

@ -636,13 +636,17 @@ impl StackingContext {
for child in self.children.iter() {
while let Some(item) = traversal.advance(self) {
item.hit_test(point, result);
if let Some(meta) = item.hit_test(point) {
result.push(meta);
}
}
child.hit_test(traversal, &point, scroll_offsets, result);
}
while let Some(item) = traversal.advance(self) {
item.hit_test(point, result);
if let Some(meta) = item.hit_test(point) {
result.push(meta);
}
}
}
@ -1331,21 +1335,21 @@ impl DisplayItem {
println!("{}+ {:?}", indent, self);
}
fn hit_test(&self, point: Point2D<Au>, result: &mut Vec<DisplayItemMetadata>) {
fn hit_test(&self, point: Point2D<Au>) -> Option<DisplayItemMetadata> {
// TODO(pcwalton): Use a precise algorithm here. This will allow us to properly hit
// test elements with `border-radius`, for example.
let base_item = self.base();
if !base_item.clip.might_intersect_point(&point) {
// Clipped out.
return;
return None;
}
if !self.bounds().contains(&point) {
// Can't possibly hit.
return;
return None;
}
if base_item.metadata.pointing.is_none() {
// `pointer-events` is `none`. Ignore this item.
return;
return None;
}
match *self {
@ -1364,18 +1368,17 @@ impl DisplayItem {
(border.border_widths.top +
border.border_widths.bottom)));
if interior_rect.contains(&point) {
return;
return None;
}
}
DisplayItem::BoxShadowClass(_) => {
// Box shadows can never be hit.
return
return None;
}
_ => {}
}
// We found a hit!
result.push(base_item.metadata);
Some(base_item.metadata)
}
}