https://bugs.kde.org/show_bug.cgi?id=516994
Bug ID: 516994
Summary: kmail on cosmic compositor is terminated when trying
to open a context menu
Classification: Applications
Product: kmail2
Version First 6.6.2
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 190285
--> https://bugs.kde.org/attachment.cgi?id=190285&action=edit
Log file generated with `WAYLAND_DEBUG=1 kmail &> kmail.log`
SUMMARY
When running kmail on the COSMIC desktop environment, trying to open a context
menu by right-clicking on a message causes kmail to terminate immediately.
Unfortunately, this makes kmail quite unusable under the COSMIC desktop
environment.
STEPS TO REPRODUCE
1. Start the COSMIC desktop environment.
2. Open kmail.
3. In an inbox, select an email message.
4. Right-click on the email message.
5. Watch kmail to be terminated immediately.
OBSERVED RESULT
kmail terminates immediately.
EXPECTED RESULT
kmail should open a context menu.
SOFTWARE/OS VERSIONS
COSMIC desktop environment version: 1.0.8
kmail version: 6.6.2
Qt Version: 6.10.2
ADDITIONAL INFORMATION
Originally, this started as a bug report for the cosmic-comp compositor,
because back then the right-click on the message in kmail caused the whole
compositor to crash:
https://github.com/pop-os/cosmic-comp/issues/2007#issuecomment-3801886570
Further investigation showed that the error occurred in the wayland backend,
thus I opened a ticket there: https://github.com/Smithay/wayland-rs/issues/865
However, the analysis showed that the bug that had caused the crash had already
been fixed. But kmail was still terminated immediately. Further investigation
showed that kmail exports a popup as toplevel, which violates the wayland
protocol, see
https://github.com/Smithay/wayland-rs/issues/865#issuecomment-3899765954
I have tried to find out more about where the wayland protocol violation is
triggered, but unfortunately I am too unfamiliar with both the kmail code and
the underlying qt code.
I will attach the log file that was created with `WAYLAND_DEBUG=1 kmail &>
kmail.log`. If there is anything else that I can provide, please give me the
corresponding instructions.
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