Pileus Git - ~andy/gtk/blob - demos/gtk-demo/item_factory.c

   1 /* Item Factory
   2  *
   3  * The GtkItemFactory object allows the easy creation of menus
   4  * from an array of descriptions of menu items.
   5  */
   6
   7 #include <gtk/gtk.h>
   8
   9 static void
  10 gtk_ifactory_cb (gpointer   callback_data,
  11                  guint      callback_action,
  12                  GtkWidget *widget)
  13 {
  14   g_message ("ItemFactory: activated \"%s\"",
  15              gtk_item_factory_path_from_widget (widget));
  16 }
  17
  18 static GtkItemFactoryEntry menu_items[] =
  19 {
  20   { "/_File",            NULL,         0,                     0, "<Branch>" },
  21   { "/File/tearoff1",    NULL,         gtk_ifactory_cb,       0, "<Tearoff>" },
  22   { "/File/_New",        "<control>N", gtk_ifactory_cb,       0 },
  23   { "/File/_Open",       "<control>O", gtk_ifactory_cb,       0 },
  24   { "/File/_Save",       "<control>S", gtk_ifactory_cb,       0 },
  25   { "/File/Save _As...", NULL,         gtk_ifactory_cb,       0 },
  26   { "/File/sep1",        NULL,         gtk_ifactory_cb,       0, "<Separator>" },
  27   { "/File/_Quit",       "<control>Q", gtk_ifactory_cb,       0 },
  28
  29   { "/_Preferences",                    NULL, 0,               0, "<Branch>" },
  30   { "/_Preferences/_Color",             NULL, 0,               0, "<Branch>" },
  31   { "/_Preferences/Color/_Red",         NULL, gtk_ifactory_cb, 0, "<RadioItem>" },
  32   { "/_Preferences/Color/_Green",       NULL, gtk_ifactory_cb, 0, "/Preferences/Color/Red" },
  33   { "/_Preferences/Color/_Blue",        NULL, gtk_ifactory_cb, 0, "/Preferences/Color/Red" },
  34   { "/_Preferences/_Shape",             NULL, 0,               0, "<Branch>" },
  35   { "/_Preferences/Shape/_Square",      NULL, gtk_ifactory_cb, 0, "<RadioItem>" },
  36   { "/_Preferences/Shape/_Rectangle",   NULL, gtk_ifactory_cb, 0, "/Preferences/Shape/Square" },
  37   { "/_Preferences/Shape/_Oval",        NULL, gtk_ifactory_cb, 0, "/Preferences/Shape/Rectangle" },
  38
  39   { "/_Help",            NULL,         0,                     0, "<LastBranch>" },
  40   { "/Help/_About",      NULL,         gtk_ifactory_cb,       0 },
  41 };
  42
  43 static int nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);
  44
  45 GtkWidget *
  46 do_item_factory (void)
  47 {
  48   static GtkWidget *window = NULL;
  49
  50   if (!window)
  51     {
  52       GtkWidget *box1;
  53       GtkWidget *box2;
  54       GtkWidget *separator;
  55       GtkWidget *label;
  56       GtkWidget *button;
  57       GtkAccelGroup *accel_group;
  58       GtkItemFactory *item_factory;
  59
  60       window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  61
  62       g_signal_connect (window, "destroy",
  63                         G_CALLBACK (gtk_widget_destroyed), &window);
  64       g_signal_connect (window, "delete-event",
  65                         G_CALLBACK (gtk_true), NULL);
  66
  67       accel_group = gtk_accel_group_new ();
  68       item_factory = gtk_item_factory_new (GTK_TYPE_MENU_BAR, "<main>", accel_group);
  69       g_object_set_data_full (G_OBJECT (window), "<main>",
  70                               item_factory, (GDestroyNotify) g_object_unref);
  71       gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);
  72       gtk_window_set_title (GTK_WINDOW (window), "Item Factory");
  73       gtk_container_set_border_width (GTK_CONTAINER (window), 0);
  74       gtk_item_factory_create_items (item_factory, nmenu_items, menu_items, NULL);
  75
  76       /* preselect /Preferences/Shape/Oval over the other radios
  77        */
  78       gtk_check_menu_item_set_active
  79         (GTK_CHECK_MENU_ITEM (gtk_item_factory_get_item (item_factory,
  80                                                          "/Preferences/Shape/Oval")),
  81          TRUE);
  82
  83       box1 = gtk_vbox_new (FALSE, 0);
  84       gtk_container_add (GTK_CONTAINER (window), box1);
  85
  86       gtk_box_pack_start (GTK_BOX (box1),
  87                           gtk_item_factory_get_widget (item_factory, "<main>"),
  88                           FALSE, FALSE, 0);
  89
  90       label = gtk_label_new ("Type\n<alt>\nto start");
  91       gtk_widget_set_size_request (label, 200, 200);
  92       gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
  93       gtk_box_pack_start (GTK_BOX (box1), label, TRUE, TRUE, 0);
  94
  95
  96       separator = gtk_hseparator_new ();
  97       gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
  98
  99
 100       box2 = gtk_vbox_new (FALSE, 10);
 101       gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
 102       gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
 103
 104       button = gtk_button_new_with_label ("close");
 105       g_signal_connect_swapped (button, "clicked",
 106                                 G_CALLBACK (gtk_widget_destroy), window);
 107       gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
 108       GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
 109       gtk_widget_grab_default (button);
 110
 111       gtk_widget_show_all (window);
 112     }
 113   else
 114     {
 115       gtk_widget_destroy (window);
 116       window = NULL;
 117     }
 118
 119   return window;
 120 }