Sets @widget as one of the action widgets.
Depending on the pack type the widget will be placed before or after the tabs. You can use a GtkBox if you need to pack more than one widget on the same side.
a #GtkWidget
pack type of the action widget
See Implementation
Sets @widget as one of the action widgets.
Depending on the pack type the widget will be placed before or after the tabs. You can use a GtkBox if you need to pack more than one widget on the same side.