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Sun, 15 September 2024 23:33

Klugier
Messages: 1100
Registered: September 2012
Location: Poland, Kraków

Senior Contributor

Hello,

I would like to announce that I am currently working on porting U++ to Wayland using our GTK backend. I did some progress in this area:
- SSD (Server Side Decoration) variant works just fine with minor issues. Please, keep in mind that SSD is not supported on many distros, currently KDE support it properly
- CSD (Client Side Decoration) variant works, but there are more problems there in comparison with SSD variant
- In general the responsiveness of the app is much higher in comparison to X11

However, there are some problems as well:
- When backing to previous window after closing dialog window, focus is not being properly restored with CSD
- Menubar positioning is not optimal for example when you spawn menu near the right ennd of the sceen it will be rendered outside of the screen instead of inside
- Second menubar on Gnome doesn't work for some reasons - CSD variant
- Drag and drop needs to be properly implemented on both CSD and SSD
- OpenGL doesn't work (This is out of scope for initial release)
- Window positioning is not optimal. However, it depends on the compositor since it is very powerful in this area for example in comparison with X11
- Probably more...

I attached screenshot from Ubuntu 24.04, where U++ is running in Wayland session and windowing is done using Wayland, not X11:
index.php?t=getfile&id=6966&private=0

If you want play with it you can try my branch klugier/gtk-wayland-initial-version in main u++ repo. Also, once running, please make sure that CtrlCore/GtkApp.cpp file has following backend initialization order:

#if GTK_CHECK_VERSION(3, 10, 0)
	gdk_set_allowed_backends("wayland,x11"); // this fixes some wayland issues
#endif

Alternatively, you can add WAYLAND compilation flag and it should force prioritizing Wayland backend over X11.

Klugier

Attachment: WaylandCSDDemo.png
(Size: 521.19KB, Downloaded 252 times)

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[Updated on: Sun, 22 September 2024 15:00]

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