Advanced Menu Stuff

The GNOME Panel Libraries
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Advanced Menu Stuff

It is also possible to have submenus, remove menus and use gnome-stock icons on the menus.

Submenus

To do submenus, you have to first call applet_widget_register_callback_dir, which only takes the callback name and the menu text. The callback name should end with '/'. The callback name works as a "path" for the submenus.

So to add a submenu "Foo" and in item "Bar" (into the submenu "Foo") you would do:

Example 5. Adding a Submenu

applet_widget_register_callback_dir (APPLET_WIDGET (applet),
                                     "foo",
                                     _("Foo"));
applet_widget_register_callback (APPLET_WIDGET (applet),
                                 "foo/bar",
                                 _("Bar"),
                                 bar_callback,
                                 NULL);

Deleting

To delete a menu item, just call applet_widget_unregister_callback or applet_widget_unregister_callback_dir, with the proper callback name.

Stock Icons

You use the _stock derivatives of the callback functions and pass an extra argument with the GNOME_STOCK_MENU_* type. For example to add an about menu item:

Example 6. Adding Items with Stock Pixmaps

applet_widget_register_stock_callback(APPLET_WIDGET(applet),
                                      "about",
                                      GNOME_STOCK_MENU_ABOUT,
                                      _("About..."),
                                      about_cb,
                                      NULL);

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