[kontact] [Bug 465389] New: Zooming on your calendar is janky and sometimes crashes Korganizer/Kontact

[Ethan J]

https://bugs.kde.org/show_bug.cgi?id=465389

            Bug ID: 465389
           Summary: Zooming on your calendar is janky and sometimes
                    crashes Korganizer/Kontact
    Classification: Applications
           Product: kontact
           Version: unspecified
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: l7i20jh9d at mozmail.com
  Target Milestone: ---

Application: kontact (5.22.0 (22.12.0))

Qt Version: 5.15.7
Frameworks Version: 5.101.0
Operating System: Linux 6.1.9-100.fc36.x86_64 x86_64
Windowing System: Wayland
Distribution: Fedora Linux 36 (KDE Plasma)
DrKonqi: 5.26.4 [KCrashBackend]

-- Information about the crash:
Zooming in and out on the calendar view or Kontact and Korganizer is very
janky.  The events don't scale with alongside the calendar itself, and the user
can even zoom so far in or out the calendar events just give up and go back to
the default view.  This is caused zooming with CTRL+scroll.  Zooming can
occasionally cause the program to outright crash with SIGSEGV.

It's kind of a shame that Kontact and its suite are so buggy their current
state, because they have so much potential to mesh with the rest of KDE.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault

[KCrash Handler]
#4  0x00007fd06bf2a7de in
QtSharedPointer::ExternalRefCountData::getAndRef(QObject const*) () from
/lib64/libQt5Core.so.5
#5  0x00007fd06cdad6cb in QWeakPointer<QObject>&
QWeakPointer<QObject>::assign<QObject>(QObject*) [clone .isra.0] () from
/lib64/libQt5Widgets.so.5
#6  0x00007fd06cdb8757 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#7  0x00007fd06c0a8278 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#8  0x00007fd06ce0c75f in QWidgetWindow::handleWheelEvent(QWheelEvent*) () from
/lib64/libQt5Widgets.so.5
#9  0x00007fd06ce0e075 in QWidgetWindow::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#10 0x00007fd06cdaed12 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#11 0x00007fd06c0a8278 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#12 0x00007fd06c567206 in
QGuiApplicationPrivate::processWheelEvent(QWindowSystemInterfacePrivate::WheelEvent*)
() from /lib64/libQt5Gui.so.5
#13 0x00007fd06c54a02c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib64/libQt5Gui.so.5
#14 0x00007fd061a073f4 in userEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /lib64/libQt5WaylandClient.so.5
#15 0x00007fd062a73faf in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#16 0x00007fd062ac92c8 in g_main_context_iterate.constprop () from
/lib64/libglib-2.0.so.0
#17 0x00007fd062a71940 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#18 0x00007fd06c0f938a in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#19 0x00007fd06c0a6cca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#20 0x00007fd06c0aed92 in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#21 0x00005577302335f7 in main ()
[Inferior 1 (process 3751) detached]

Reported using DrKonqi

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