This overrides the [property@Gtk.Settings:gtk-decoration-layout]
setting.
The format of the string is button names, separated by commas.
A colon separates the buttons that should appear on the left
from those on the right. Recognized button names are minimize,
maximize, close and icon (the window icon).
For example, “icon:minimize,maximize,close” specifies a icon
on the left, and minimize, maximize and close buttons on the right.
If [property@Gtk.WindowControls:side] value is @GTK_PACK_START, @self
will display the part before the colon, otherwise after that.
Sets the decoration layout for the title buttons.
This overrides the [property@Gtk.Settings:gtk-decoration-layout] setting.
The format of the string is button names, separated by commas. A colon separates the buttons that should appear on the left from those on the right. Recognized button names are minimize, maximize, close and icon (the window icon).
For example, “icon:minimize,maximize,close” specifies a icon on the left, and minimize, maximize and close buttons on the right.
If [property@Gtk.WindowControls:side] value is @GTK_PACK_START, @self will display the part before the colon, otherwise after that.