The ::show-menu signal is emitted before the menu is shown.
It can be used to populate the menu on demand, using
gtk_menu_tool_button_get_menu().
Note that even if you populate the menu dynamically in this way,
you must set an empty menu on the GtkMenuToolButton beforehand,
since the arrow is made insensitive if the menu is not set.
See Also
GtkToolbar, GtkToolButton
The toolbar widget
The parent class of GtkMenuToolButton. The properties
"label_widget", "label", "icon_widget", and "stock_id" on
GtkToolButton determine the label and icon used on
GtkMenuToolButtons.
The ::show-menu signal is emitted before the menu is shown. It can be used to populate the menu on demand, using gtk_menu_tool_button_get_menu(). Note that even if you populate the menu dynamically in this way, you must set an empty menu on the GtkMenuToolButton beforehand, since the arrow is made insensitive if the menu is not set. See Also
GtkToolbar, GtkToolButton The toolbar widget The parent class of GtkMenuToolButton. The properties "label_widget", "label", "icon_widget", and "stock_id" on GtkToolButton determine the label and icon used on GtkMenuToolButtons.