diff options
Diffstat (limited to 'demos/gtk-demo/menus.c')
| -rw-r--r-- | demos/gtk-demo/menus.c | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/demos/gtk-demo/menus.c b/demos/gtk-demo/menus.c index ac8a7e2c53..4788edd861 100644 --- a/demos/gtk-demo/menus.c +++ b/demos/gtk-demo/menus.c @@ -1,10 +1,31 @@ /* Menus * - * GTK+ includes a number of widgets for menus of actions. - * GtkMenu is a drop-down menu, GtkMenuBar a horizontal menu bar. - * Each of these widgets can hold various types of menuitem. - * As well as the base type, GtkMenuItem, there are GtkCheckMenuItem, - * GtkRadioMenuItem and GtkTearoffMenuItem. + * There are several widgets involved in displaying menus. The + * GtkMenuBar widget is a horizontal menu bar, which normally appears + * at the top of an application. The GtkMenu widget is the actual menu + * that pops up. Both GtkMenuBar and GtkMenu are subclasses of + * GtkMenuShell; a GtkMenuShell contains menu items + * (GtkMenuItem). Each menu item contains text and/or images and can + * be selected by the user. + * + * There are several kinds of menu item, including plain GtkMenuItem, + * GtkCheckMenuItem which can be checked/unchecked, GtkRadioMenuItem + * which is a check menu item that's in a mutually exclusive group, + * GtkSeparatorMenuItem which is a separator bar, GtkTearoffMenuItem + * which allows a GtkMenu to be torn off, and GtkImageMenuItem which + * can place a GtkImage or other widget next to the menu text. + * + * A GtkMenuItem can have a submenu, which is simply a GtkMenu to pop + * up when the menu item is selected. Typically, all menu items in a menu bar + * have submenus. + * + * The GtkOptionMenu widget is a button that pops up a GtkMenu when clicked. + * It's used inside dialogs and such. + * + * GtkItemFactory provides a higher-level interface for creating menu bars + * and menus; while you can construct menus manually, most people don't + * do that. There's a separate demo for GtkItemFactory. + * */ #include <stdio.h> @@ -39,8 +60,7 @@ create_menu (gint depth, gboolean tearoff) sprintf (buf, "item %2d - %d", depth, j); menuitem = gtk_radio_menu_item_new_with_label (group, buf); group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (menuitem)); - if (depth % 2) - gtk_check_menu_item_set_show_toggle (GTK_CHECK_MENU_ITEM (menuitem), TRUE); + gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem); gtk_widget_show (menuitem); if (i == 3) |