[KPhotoAlbum] Crash with Thumbnail Settings button

[Robert Krawitz]

If I click the Thumbnail Settings button at the bottom right of the
thumbnail display, I reliably get the following crash (Qt 5.14, KDE
framework 5.66):

#0  0x00007fffe8d777a0 in QListWidgetItem::listModel() const () at /usr/lib64/libQt5Widgets.so.5
#1  0x00007fffe8d77835 in QListWidgetItem::setSelected(bool) () at /usr/lib64/libQt5Widgets.so.5
#2  0x000000000049754f in Settings::CategoryPage::resetInterface() ()
#3  0x000000000049a04e in Settings::CategoryPage::CategoryPage(QWidget*) ()
#4  0x0000000000494be9 in Settings::SettingsDialog::SettingsDialog(QWidget*) ()
#5  0x00000000005590e0 in MainWindow::Window::slotOptions() ()
#6  0x00000000005592a6 in QtPrivate::QFunctorSlotObject<MainWindow::Window::setupStatusBar()::{lambda()#1}, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) ()
#7  0x00007fffe7c0d9e7 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fffe7c0d9e7 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fffe8bc3b12 in QAbstractButton::clicked(bool) () at /usr/lib64/libQt5Widgets.so.5
#10 0x00007fffe8bc3d2a in  () at /usr/lib64/libQt5Widgets.so.5
#11 0x00007fffe8bc510a in  () at /usr/lib64/libQt5Widgets.so.5
#12 0x00007fffe8bc52fd in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
    at /usr/lib64/libQt5Widgets.so.5
#13 0x00007fffe8cb6c5a in QToolButton::mouseReleaseEvent(QMouseEvent*) ()
    at /usr/lib64/libQt5Widgets.so.5
#14 0x00007fffe8b18dd8 in QWidget::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#15 0x00007fffe8cb6cf4 in QToolButton::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#16 0x00007fffe8ad7bac in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
    at /usr/lib64/libQt5Widgets.so.5
#17 0x00007fffe8adffc8 in QApplication::notify(QObject*, QEvent*) ()
    at /usr/lib64/libQt5Widgets.so.5
#18 0x00007fffe7bd27b8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) ()
    at /usr/lib64/libQt5Core.so.5
#19 0x00007fffe8ade64f in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () at /usr/lib64/libQt5Widgets.so.5
#20 0x00007fffe8b333e1 in  () at /usr/lib64/libQt5Widgets.so.5
#21 0x00007fffe8b3624a in  () at /usr/lib64/libQt5Widgets.so.5
#22 0x00007fffe8ad7bac in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
    at /usr/lib64/libQt5Widgets.so.5
#23 0x00007fffe8adf180 in QApplication::notify(QObject*, QEvent*) ()
    at /usr/lib64/libQt5Widgets.so.5
#24 0x00007fffe7bd27b8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) ()
    at /usr/lib64/libQt5Core.so.5
#25 0x00007fffe81d2315 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib64/libQt5Gui.so.5
#26 0x00007fffe81d3445 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5
#27 0x00007fffe81ac69b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Gui.so.5
#28 0x00007fffc8abefaa in  () at /usr/lib64/libQt5XcbQpa.so.5
#29 0x00007fffdbeb1e87 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#30 0x00007fffdbeb2230 in  () at /usr/lib64/libglib-2.0.so.0
#31 0x00007fffdbeb22bc in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#32 0x00007fffe7c31a1c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#33 0x00007fffe7bd103a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
    at /usr/lib64/libQt5Core.so.5
#34 0x00007fffe7bda7b0 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#35 0x0000000000463e3d in main ()


-- 
Robert Krawitz                                     <rlk at alum.mit.edu>

***  MIT Engineers   A Proud Tradition   http://mitathletics.com  ***
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