gtk/tests/testmenus.c

/* Menus
 *
 * This program dynamically adds and removes items to a menu to test that
 * scroll arrows operate correctly.
 *
 * Written by Owen Taylor <otaylor@redhat.com>
 */

#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>

#include <stdio.h>

static GtkWidget *
create_menu (gint     depth,
	     gboolean tearoff)
{
  GtkWidget *menu;
  GtkWidget *menuitem;
  GSList *group;
  char buf[32];
  int i, j;

  if (depth < 1)
    return NULL;

  menu = gtk_menu_new ();
  group = NULL;

  if (tearoff)
    {
      menuitem = gtk_tearoff_menu_item_new ();
      gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
      gtk_widget_show (menuitem);
    }

  for (i = 0, j = 1; i < 5; i++, j++)
    {
      sprintf (buf, "item %2d - %d", depth, j);
      menuitem = gtk_radio_menu_item_new_with_label (group, buf);
      group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (menuitem));

      gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
      gtk_widget_show (menuitem);
      if (i == 3)
	gtk_widget_set_sensitive (menuitem, FALSE);

      gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), create_menu (depth - 1, TRUE));
    }

  return menu;
}

static gboolean
change_item (gpointer user_data)
{
  GtkWidget *widget;
  GtkMenuShell *shell = GTK_MENU_SHELL (user_data);
  static gint step = 0;

  if (((step++ / 40) % 2) == 0)
    {
      g_message ("Idle add");

      widget = gtk_menu_item_new_with_label ("Foo");
      gtk_widget_show (widget);
  
      gtk_menu_shell_append (shell, widget);
    }
  else
    {
      GList *children = gtk_container_get_children (GTK_CONTAINER (shell));

      g_message ("Idle remove");
      
      gtk_widget_destroy (g_list_last (children)->data);

      g_list_free (children);
    }
  
  return TRUE;
}
 
int 
main (int argc, char **argv)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *button;
  GtkWidget *optionmenu;
  GtkWidget *separator;

  gtk_init (&argc, &argv);
  
  if (!window)
    {
      GtkWidget *menubar;
      GtkWidget *menu;
      GtkWidget *submenu;
      GtkWidget *menuitem;
      GtkAccelGroup *accel_group;
      
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      
      g_signal_connect (window, "destroy",
			G_CALLBACK(gtk_main_quit), NULL);
      g_signal_connect (window, "delete-event",
			G_CALLBACK (gtk_true), NULL);
      
      accel_group = gtk_accel_group_new ();
      gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);

      gtk_window_set_title (GTK_WINDOW (window), "menus");
      gtk_container_set_border_width (GTK_CONTAINER (window), 0);
      
      
      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);
      gtk_widget_show (box1);
      
      menubar = gtk_menu_bar_new ();
      gtk_box_pack_start (GTK_BOX (box1), menubar, FALSE, TRUE, 0);
      gtk_widget_show (menubar);
      
      menu = create_menu (2, TRUE);
      
      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);
      gtk_widget_show (menuitem);

      
      menuitem = gtk_menu_item_new_with_label ("dynamic");
      submenu = create_menu (3, TRUE);
      gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), submenu);
      gtk_menu_shell_append (GTK_MENU_SHELL (menubar), menuitem);
      gtk_widget_show (menuitem);
      
      g_timeout_add (250, change_item, submenu);

      menuitem = gtk_menu_item_new_with_label ("bar");
      gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), create_menu (4, TRUE));
      gtk_menu_item_set_right_justified (GTK_MENU_ITEM (menuitem), TRUE);
      gtk_menu_shell_append (GTK_MENU_SHELL (menubar), menuitem);
      gtk_widget_show (menuitem);
      
      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
      gtk_widget_show (box2);
      
      menu = create_menu (1, FALSE);
      gtk_menu_set_accel_group (GTK_MENU (menu), accel_group);
      
      menuitem = gtk_separator_menu_item_new ();
      gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
      gtk_widget_show (menuitem);
      
      menuitem = gtk_check_menu_item_new_with_label ("Accelerate Me");
      gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
      gtk_widget_show (menuitem);
      gtk_widget_add_accelerator (menuitem,
				  "activate",
				  accel_group,
				  GDK_F1,
				  0,
				  GTK_ACCEL_VISIBLE);
      menuitem = gtk_check_menu_item_new_with_label ("Accelerator Locked");
      gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
      gtk_widget_show (menuitem);
      gtk_widget_add_accelerator (menuitem,
				  "activate",
				  accel_group,
				  GDK_F2,
				  0,
				  GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED);
      menuitem = gtk_check_menu_item_new_with_label ("Accelerators Frozen");
      gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
      gtk_widget_show (menuitem);
      gtk_widget_add_accelerator (menuitem,
				  "activate",
				  accel_group,
				  GDK_F2,
				  0,
				  GTK_ACCEL_VISIBLE);
      gtk_widget_add_accelerator (menuitem,
				  "activate",
				  accel_group,
				  GDK_F3,
				  0,
				  GTK_ACCEL_VISIBLE);
      
      optionmenu = gtk_option_menu_new ();
      gtk_option_menu_set_menu (GTK_OPTION_MENU (optionmenu), menu);
      gtk_option_menu_set_history (GTK_OPTION_MENU (optionmenu), 3);
      gtk_box_pack_start (GTK_BOX (box2), optionmenu, TRUE, TRUE, 0);
      gtk_widget_show (optionmenu);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
      gtk_widget_show (separator);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
      gtk_widget_show (box2);

      button = gtk_button_new_with_label ("close");
      g_signal_connect_swapped (button, "clicked",
				G_CALLBACK(gtk_widget_destroy), window);
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
      gtk_widget_show (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    {
      gtk_widget_show (window);
    }
  else
    {
      gtk_widget_destroy (window);
      window = NULL;
    }

  gtk_main ();

  return 0;
}