MenuButton.setCreatePopupFunc
void setCreatePopupFunc(gtk.types.MenuButtonCreatePopupFunc func = null)Sets func to be called when a popup is about to be shown.
func should use one of
- [gtk.menu_button.MenuButton.setPopover]
- [gtk.menu_button.MenuButton.setMenuModel]
to set a popup for menu_button. If func is non-null, menu_button will always be sensitive.
Using this function will not reset the menu widget attached to menu_button. Instead, this can be done manually in func.
Parameters
func | function to call when a popup is about to be shown, but none has been provided via other means, or null to reset to default behavior. |