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Windows: don't crash if double-clicking on ruler during playback

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This commit is contained in:
Paul-Licameli 2018-08-12 14:43:45 -04:00
parent 04a69f0a4c
commit 932734c89a
1 changed files with 6 additions and 0 deletions
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6
src/widgets/Ruler.cpp
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@ -3087,6 +3087,12 @@ auto AdornedRulerPanel::QPHandle::Release
(const TrackPanelMouseEvent &event, AudacityProject *pProject,
wxWindow *pParent) -> Result
{
// Keep a shared pointer to self. Otherwise *this might get deleted
// in HandleQPRelease on Windows! Because there is an event-loop yield
// stopping playback, which caused OnCaptureLost to be called, which caused
// clearing of CellularPanel targets!
auto saveMe = mParent->mQPCell->mHolder.lock();
auto result = CommonRulerHandle::Release(event, pProject, pParent);
if (!( result & RefreshCode::Cancelled )) {
if (mClicked == Button::Left) {