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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_test.go
+39
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@@ -255,6 +255,45 @@ func TestPointerMove(t *testing.T) {
assertEventPointerTypeSequence(t, events(&r, -1, filter(handler2)), pointer.Enter, pointer.Move, pointer.Leave, pointer.Cancel)
}
func TestPointerLeave(t *testing.T) {
handler := new(int)
var ops op.Ops
filter := pointer.Filter{
Target: handler,
Kinds: pointer.Move | pointer.Enter | pointer.Leave | pointer.Cancel,
}
defer clip.Rect(image.Rect(0, 0, 100, 100)).Push(&ops).Pop()
event.Op(&ops, handler)
var r Router
events(&r, -1, filter)
r.Frame(&ops)
r.Queue(
pointer.Event{
Kind: pointer.Move,
Source: pointer.Mouse,
PointerID: 1,
Position: f32.Pt(50, 50),
},
pointer.Event{
Kind: pointer.Leave,
Source: pointer.Mouse,
PointerID: 1,
Position: f32.Pt(50, 50),
},
)
assertEventPointerTypeSequence(t, events(&r, -1, filter), pointer.Enter, pointer.Move, pointer.Leave)
r.Queue(pointer.Event{
Kind: pointer.Move,
Source: pointer.Mouse,
PointerID: 1,
Position: f32.Pt(50, 50),
})
assertEventPointerTypeSequence(t, events(&r, -1, filter), pointer.Enter, pointer.Move)
}
func TestPointerTypes(t *testing.T) {
handler := new(int)
var ops op.Ops