diff options
Diffstat (limited to 'muse2/muse/midiedit/pianoroll.cpp')
| -rw-r--r-- | muse2/muse/midiedit/pianoroll.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/muse2/muse/midiedit/pianoroll.cpp b/muse2/muse/midiedit/pianoroll.cpp index 82a75f7f..8a7356aa 100644 --- a/muse2/muse/midiedit/pianoroll.cpp +++ b/muse2/muse/midiedit/pianoroll.cpp @@ -540,6 +540,8 @@ PianoRoll::PianoRoll(MusECore::PartList* pl, QWidget* parent, const char* name, void PianoRoll::songChanged1(int bits) { + if(_isDeleting) // Ignore while while deleting to prevent crash. + return; if (bits & SC_SOLO) { @@ -815,15 +817,19 @@ void PianoRoll::removeCtrl(CtrlEdit* ctrl) //--------------------------------------------------------- // closeEvent +// Save state. +// Disconnect signals which may cause crash due to Qt deferred deletion on close. //--------------------------------------------------------- void PianoRoll::closeEvent(QCloseEvent* e) { + _isDeleting = true; // Set flag so certain signals like songChanged, which may cause crash during delete, can be ignored. + QSettings settings("MusE", "MusE-qt"); //settings.setValue("Pianoroll/geometry", saveGeometry()); settings.setValue("Pianoroll/windowState", saveState()); - emit deleted(static_cast<TopWin*>(this)); + emit isDeleting(static_cast<TopWin*>(this)); e->accept(); } |