https://bugs.kde.org/show_bug.cgi?id=440166
Bug ID: 440166
Summary: Dragging GTK4 Windows by HeaderBar or WindowHandle
causes weird behavior
Product: kwin
Version: git master
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: decorations
Assignee: kwin-bugs-n...@kde.org
Reporter: mufeed.666...@gmail.com
Target Milestone: ---
Created attachment 140265
--> https://bugs.kde.org/attachment.cgi?id=140265&action=edit
video showing bug
SUMMARY
After dragging a GTK4 window by GtkHeaderBar or GtkWindowHandle, the window
remains in a non-interactive state where only dragging is possible until after
the first click. i.e. the first click on any other widget is ignored.
STEPS TO REPRODUCE
1. Open gtk4-demo
2. Begin dragging the window by the HeaderBar.
3. Then, try to click anywhere outside the HeaderBar in the window.
OBSERVED RESULT
The first click anywhere outside the HeaderBar is ignored. This also allows the
user to drag the window from anywhere on the window until after the first click
(by clicking, not dragging, anywhere else first).
EXPECTED RESULT
The first click outside the HeaderBar should activate the widget that the
cursor was hovered over.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora 34 KDE
(available in About System)
KDE Plasma Version: 5.22.80
KDE Frameworks Version: 5.85.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
The bug isn't present on Wayland, isn't present on GNOME X11 and is also
present with KWin 5.22.3.
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