https://bugs.kde.org/show_bug.cgi?id=464193
Bug ID: 464193
Summary: KWin_x11 shows redundant minimize and maximize button
for Qt::Dialog type window
Classification: Plasma
Product: kwin
Version: 5.26.4
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: decorations
Assignee: kwin-bugs-n...@kde.org
Reporter: wzc782970...@gmail.com
Target Milestone: ---
SUMMARY
KWin_x11 shows redundant minimize and maximize button for Qt::Dialog type
window, close button was not shown.
According to Qt documentation, Qt::Dialog...
> Indicates that the widget is a window that should be decorated as a dialog
> (i.e., typically no maximize or minimize buttons in the title bar).
> This is the default type for QDialog.
In KWin it's completely the opposite behavior, which shows a maximize and a
minimize button, but not show the close button.
According to https://bugs.kde.org/show_bug.cgi?id=463063, the missing close
button bug is an upstream issue, so this bug report only related to the
redundant minimize and maximize button.
STEPS TO REPRODUCE
1. Go to
https://invent.kde.org/network/neochat/-/merge_requests/707#note_580407 and
save the sample code to test.qml
2. use qml executable to show the saved qml file
3. see the result
OBSERVED RESULT
Under Plasma desktop, the dialog will have redundant maximize and minimize
button.
EXPECTED RESULT
Maximize and minimize button shouldn't be there and the close button should be
shown.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux (rolling), KDE Plasma desktop environment
KDE Plasma Version: 5.6.24
KDE Frameworks Version: 5.101.0
Qt Version: 5.15.7
ADDITIONAL INFORMATION
This issue is originally reported as a part of
https://bugs.kde.org/show_bug.cgi?id=463063. That one was marked as resolved
but it only addressed the missing close button issue, the redundant maximize
and minimize button issue is still there.
Please also see
https://invent.kde.org/network/neochat/-/merge_requests/707#note_580407 for
detailed information.
Let me know if you need any additional information.
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