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io/router: drop the correct handlers when a pointer grab is requested

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Fixes gio#208

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2021-03-27 13:11:36 +01:00
parent 07802569f7
commit 17ba8e28af
2 changed files with 40 additions and 4 deletions
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io/router/pointer.go
+5 -4
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@@ -239,10 +239,11 @@ func (q *pointerQueue) Frame(root *op.Ops, events *handlerEvents) {
for i, k2 := range p.handlers {
if k2 == k {
// Drop other handlers that lost their grab.
cancelHandlers(events, p.handlers[i+1:]...)
cancelHandlers(events, p.handlers[:i]...)
q.dropHandlers(events, p.handlers[i+1:]...)
q.dropHandlers(events, p.handlers[:i]...)
dropped := make([]event.Tag, 0, len(p.handlers)-1)
dropped = append(dropped, p.handlers[:i]...)
dropped = append(dropped, p.handlers[i+1:]...)
cancelHandlers(events, dropped...)
q.dropHandlers(events, dropped...)
break
}
}