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Fix possible crash in media viewer hide workaround.

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This commit is contained in:
John Preston 2021-08-24 19:25:31 +03:00
parent a6fb0e372e
commit 401529e7d1
1 changed files with 12 additions and 9 deletions
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21
Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
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@ -4517,17 +4517,20 @@ void OverlayWidget::applyHideWindowWorkaround() {
// So on next paint we force full backing store repaint.
if (_opengl && !isHidden() && !_hideWorkaround) {
_hideWorkaround = std::make_unique<Ui::RpWidget>(_widget);
_hideWorkaround->setGeometry(_widget->rect());
_hideWorkaround->show();
_hideWorkaround->paintRequest(
const auto raw = _hideWorkaround.get();
raw->setGeometry(_widget->rect());
raw->show();
raw->paintRequest(
) | rpl::start_with_next([=] {
const auto workaround = _hideWorkaround.release();
QPainter(workaround).fillRect(workaround->rect(), QColor(0, 1, 0, 1));
crl::on_main(workaround, [=] {
delete workaround;
if (_hideWorkaround.get() == raw) {
_hideWorkaround.release();
}
QPainter(raw).fillRect(raw->rect(), QColor(0, 1, 0, 1));
crl::on_main(raw, [=] {
delete raw;
});
}, _hideWorkaround->lifetime());
_hideWorkaround->update();
}, raw->lifetime());
raw->update();
if (Platform::IsWindows()) {
Ui::Platform::UpdateOverlayed(_widget);