+++ /dev/null
-/* Menus
- *
- * There are several widgets involved in displaying menus. The
- * GtkMenuBar widget is a menu bar, which normally appears horizontally
- * at the top of an application, but can also be layed out vertically.
- * 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.
- */
-
-#include <gtk/gtk.h>
-#include <gdk/gdkkeysyms.h>
-
-#include <stdio.h>
-
-static GtkWidget *
-create_menu (gint depth)
-{
- GtkWidget *menu;
- GtkRadioMenuItem *last_item;
- char buf[32];
- int i, j;
-
- if (depth < 1)
- return NULL;
-
- menu = gtk_menu_new ();
- last_item = NULL;
-
- for (i = 0, j = 1; i < 5; i++, j++)
- {
- GtkWidget *menu_item;
-
- sprintf (buf, "item %2d - %d", depth, j);
-
- menu_item = gtk_radio_menu_item_new_with_label_from_widget (NULL, buf);
- gtk_radio_menu_item_join_group (GTK_RADIO_MENU_ITEM (menu_item), last_item);
- last_item = GTK_RADIO_MENU_ITEM (menu_item);
-
- gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
- gtk_widget_show (menu_item);
- if (i == 3)
- gtk_widget_set_sensitive (menu_item, FALSE);
-
- gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), create_menu (depth - 1));
- }
-
- return menu;
-}
-
-static void
-change_orientation (GtkWidget *button,
- GtkWidget *menubar)
-{
- GtkWidget *parent;
- GtkOrientation orientation;
-
- parent = gtk_widget_get_parent (menubar);
- orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (parent));
- gtk_orientable_set_orientation (GTK_ORIENTABLE (parent), 1 - orientation);
-}
-
-static GtkWidget *window = NULL;
-
-GtkWidget *
-do_menus (GtkWidget *do_widget)
-{
- GtkWidget *box;
- GtkWidget *box1;
- GtkWidget *box2;
- GtkWidget *button;
-
- if (!window)
- {
- GtkWidget *menubar;
- GtkWidget *menu;
- GtkWidget *menuitem;
- GtkAccelGroup *accel_group;
-
- window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
- gtk_window_set_display (GTK_WINDOW (window),
- gtk_widget_get_display (do_widget));
- gtk_window_set_title (GTK_WINDOW (window), "Menus");
- g_signal_connect (window, "destroy",
- G_CALLBACK(gtk_widget_destroyed), &window);
-
- accel_group = gtk_accel_group_new ();
- gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);
-
- box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
- gtk_container_add (GTK_CONTAINER (window), box);
-
- box1 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
- gtk_container_add (GTK_CONTAINER (box), box1);
-
- menubar = gtk_menu_bar_new ();
- gtk_widget_set_hexpand (menubar, TRUE);
- gtk_container_add (GTK_CONTAINER (box1), menubar);
-
- menu = create_menu (2);
-
- menuitem = gtk_menu_item_new_with_label ("test\nline2");
- gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), menu);
- gtk_menu_shell_append (GTK_MENU_SHELL (menubar), menuitem);
-
- menuitem = gtk_menu_item_new_with_label ("foo");
- gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), create_menu (3));
- gtk_menu_shell_append (GTK_MENU_SHELL (menubar), menuitem);
-
- menuitem = gtk_menu_item_new_with_label ("bar");
- gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), create_menu (4));
- gtk_menu_shell_append (GTK_MENU_SHELL (menubar), menuitem);
-
- box2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
- gtk_container_add (GTK_CONTAINER (box1), box2);
-
- button = gtk_button_new_with_label ("Flip");
- g_signal_connect (button, "clicked",
- G_CALLBACK (change_orientation), menubar);
- gtk_container_add (GTK_CONTAINER (box2), button);
-
- button = gtk_button_new_with_label ("Close");
- g_signal_connect_swapped (button, "clicked",
- G_CALLBACK(gtk_widget_destroy), window);
- gtk_container_add (GTK_CONTAINER (box2), button);
- gtk_window_set_default_widget (GTK_WINDOW (window), button);
- }
-
- if (!gtk_widget_get_visible (window))
- gtk_widget_show (window);
- else
- gtk_widget_destroy (window);
-
- return window;
-}