https://bugs.kde.org/show_bug.cgi?id=489046
Bug ID: 489046
Summary: Cannot resize window height to less than 150px on
Wayland
Classification: Plasma
Product: kwin
Version: 6.1.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: benjarobin+...@gmail.com
Target Milestone: ---
SUMMARY
Cannot resize Qt window height to less than 150px on Wayland even if the
content of the Window is smaller.
STEPS TO REPRODUCE
1. Build a very basic Qt application
```
#include <QApplication>
#include <QWidget>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QWidget w;
w.resize(300, 50);
w.setMinimumSize(300, 50);
w.show();
return a.exec();
}
```
2. Launch it.
3. Resize the window to increase height, then try to reduce height to original
size
OBSERVED RESULT
The application when initially launched as the proper size (300x50).
Then when trying to increase height a bit, the application size jump to
300x150.
The application can be resized to something bigger than 300x150, but it cannot
be resize back to an height of 50.
It's as if the minimum window height was hard coded at 150.
EXPECTED RESULT
Declared minimum size in application code should be respected. The user should
be able to reduce height up to the minimum declared size (in this case 50).
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.1.0
KDE Frameworks Version: 6.3.0
Qt Version: 6.7.1
Kernel Version: 6.9.5-arch1-1 (64-bit)
Graphics Platform: Wayland
Graphics Processor: Mesa Intel® UHD Graphics
Scaling: 100% ; Screen resolution: 1920x1080
ADDITIONAL INFORMATION
If the application is launched under Weston, it can be resized correctly. But
for the record, the minimum size is not respected (as if the minimum size were
0).
If the application is run under Xorg, it can be resized correctly, and the
minimum size is properly enforced.
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