Sets the decoration layout for this header bar, overriding
the #GtkSettings:gtk-decoration-layout setting.
There can be valid reasons for overriding the setting, such
as a header bar design that does not allow for buttons to take
room on the right, or only offers room for a single close button.
Split header bars are another example for overriding the
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, icon (the window icon) and menu (a menu button
for the fallback app menu).
For example, “menu:minimize,maximize,close” specifies a menu
on the left, and minimize, maximize and close buttons on the right.
Sets the decoration layout for this header bar, overriding the #GtkSettings:gtk-decoration-layout setting.
There can be valid reasons for overriding the setting, such as a header bar design that does not allow for buttons to take room on the right, or only offers room for a single close button. Split header bars are another example for overriding the 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, icon (the window icon) and menu (a menu button for the fallback app menu).
For example, “menu:minimize,maximize,close” specifies a menu on the left, and minimize, maximize and close buttons on the right.