I've attached some screenshots of minimal GtkHeaderBar-less GTK3 and GTK4 apps taken with different combinations of GTK_CSD and GDK_BACKEND.
- https://docs.gtk.org/gtk3/getting_started.html - https://docs.gtk.org/gtk4/getting_started.html
With explicitly created GtkHeaderBars, all those cases are fine with both GTK3 and GTK4.
I've attached some screenshots of minimal GtkHeaderBar-less GTK3 and GTK4 apps taken with different combinations of GTK_CSD and GDK_BACKEND.
- https:/ /docs.gtk. org/gtk3/ getting_ started. html /docs.gtk. org/gtk4/ getting_ started. html
- https:/
With explicitly created GtkHeaderBars, all those cases are fine with both GTK3 and GTK4.