https://bugs.kde.org/show_bug.cgi?id=362636
Bug ID: 362636
Summary: konsole, kwrite and konversation windows often
disappear when disconnecting monitor
Product: kwin
Version: 5.6.3
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: major
Priority: NOR
Component: tabbox
Assignee: kwin-bugs-n...@kde.org
Reporter: j...@vandenoever.info
Created attachment 98761
--> https://bugs.kde.org/attachment.cgi?id=98761&action=edit
picture of tabbox with empty entries for konsole windows (artist impression)
Connecting / disconnecting a monitor confuses kwin_x11. The applications
konsole 16.04.0, kwrite (16.04.0) and konversation (1.6) with (kf 5.21.0) can
get lost when disconnecting an external monitor from a laptop.
Both screens are 1920x1080. The applications still occupy a space in the
tabbox, but that space is empty: not icon and no title. The windows also
disappear from the task manager. The applications are still running.
This is pretty weird. It gets weirder.
It is possible to make KWin find the windows again.
The applications are still running and can be controlled with dbus/qdbusviewer.
By setting the QMainWindow widget to minimized and then putting it back to
normal, the windows show up in kwin_x11 tabbox and the task manager again:
dbus-send --session --dest=org.kde.konsole --type=method_call --print-reply
/konsole/MainWindow_1 org.qtproject.Qt.QWidget.showMinimized
dbus-send --session --dest=org.kde.konsole --type=method_call --print-reply
/konsole/MainWindow_1 org.qtproject.Qt.QWidget.showNormal
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