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script/compositor: Send mouseleave events when cursor moves between <iframe>s (#38539)

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Properly send `mouseleave` events when the cursor moves between
`<iframe>`s. This allows a better handling of cursor changes and status
text updates. Specifically, we do not need to continuously update the
cursor and the value can be cached in the `Document`. In addition,
status updates can now be sent properly when moving focus between
`<iframe>`s.

Note that style updates for `:hover` values are still broken, but less
so than before. Now the hover state on the `Node` is updated, but for
some
reason the restyle isn't taking place properly. This maintains the
status quo as far as behavior goes when hover moves between `<iframe>`s.

This change also adds a helper data structure to `Document` which will
eventually be responsible for event handling.

Testing: Cursor and status change are currently very hard to test as
the API test harness makes this difficult at the moment.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Oriol Brufau <obrufau@igalia.com>
This commit is contained in:
Martin Robinson 2025-08-11 14:31:54 +02:00 • committed by GitHub
parent 82ca2b92cd
commit b75c3feb97
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11 changed files with 307 additions and 210 deletions
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12
components/shared/embedder/input_events.rs
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@ -43,7 +43,7 @@ impl InputEvent {
InputEvent::Keyboard(..) => None,
InputEvent::MouseButton(event) => Some(event.point),
InputEvent::MouseMove(event) => Some(event.point),
InputEvent::MouseLeave(event) => Some(event.point),
InputEvent::MouseLeave(_) => None,
InputEvent::Touch(event) => Some(event.point),
InputEvent::Wheel(event) => Some(event.point),
InputEvent::Scroll(..) => None,
@ -218,15 +218,9 @@ impl MouseMoveEvent {
}
}
#[derive(Clone, Copy, Debug, Deserialize, Serialize)]
#[derive(Clone, Copy, Debug, Default, Deserialize, Serialize)]
pub struct MouseLeaveEvent {
pub point: DevicePoint,
}
impl MouseLeaveEvent {
pub fn new(point: DevicePoint) -> Self {
Self { point }
}
pub focus_moving_to_another_iframe: bool,
}
/// The type of input represented by a multi-touch event.