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io/input: support direct pointer leave events

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Allow platform backends to send pointer.Leave directly.
The router delivers it to entered handlers so hover state is cleared normally.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
qiannian
2026-06-16 18:12:07 +08:00
committed by Elias Naur
parent 15335a2b37
commit 06307313cd
2 changed files with 42 additions and 1 deletions
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io/input/pointer.go
+3 -1
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@@ -760,6 +760,8 @@ func (q *pointerQueue) Push(handlers map[event.Tag]*handler, state pointerState,
if p.pressed {
p, evts = q.deliverDragEvent(handlers, p, evts)
}
case pointer.Leave:
p, evts, state.cursor, _ = q.deliverEnterLeaveEvents(handlers, state.cursor, p, evts, e)
case pointer.Release:
evts = q.deliverEvent(handlers, p, evts, e)
p.pressed = false
@@ -823,7 +825,7 @@ func (q *pointerQueue) deliverEvent(handlers map[event.Tag]*handler, p pointerIn
func (q *pointerQueue) deliverEnterLeaveEvents(handlers map[event.Tag]*handler, cursor pointer.Cursor, p pointerInfo, evts []taggedEvent, e pointer.Event) (pointerInfo, []taggedEvent, pointer.Cursor, bool) {
changed := false
var hits []event.Tag
if e.Source != pointer.Mouse && !p.pressed && e.Kind != pointer.Press {
if e.Kind == pointer.Leave || e.Source != pointer.Mouse && !p.pressed && e.Kind != pointer.Press {
// Consider non-mouse pointers leaving when they're released.
} else {
var transSrc *pointerFilter