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app: [Windows] avoid deadlock when changing window configuration

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Some window configurations lead to WM_SIZE messages when changed, which
leads to deadlock because our window proc is not re-entrant. Avoid the
issues by ignoring redundant messages.

Fixes gio#262

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2021-09-03 12:11:55 +02:00
parent a5625031a4
commit d03f618660
1 changed files with 4 additions and 2 deletions
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app/os_windows.go
+2
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@@ -444,9 +444,11 @@ func (w *window) Wakeup() {
} }
func (w *window) setStage(s system.Stage) { func (w *window) setStage(s system.Stage) {
if s != w.stage {
w.stage = s w.stage = s
w.w.Event(system.StageEvent{Stage: s}) w.w.Event(system.StageEvent{Stage: s})
} }
}
func (w *window) draw(sync bool) { func (w *window) draw(sync bool) {
var r windows.Rect var r windows.Rect