/*
 * Copyright (C) 2002, 2004 Philip Blundell <philb@gnu.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#include <time.h>
#include <gtk/gtk.h>
#include "gtksimplemenu.h"
#include "link-warning.h"

#ifdef ENABLE_NLS
#include <libintl.h>
#define _(x) dgettext(PACKAGE, x)
#else
#define _(x) (x)
#endif

/**
 * GtkSimpleMenu:
 * 
 * Menu struct containing a GtkOptionMenu (optionmenu) 
 * and a menu widget (menu). 
 */
struct _GtkSimpleMenu
{
  GtkOptionMenu optionmenu;
  GtkWidget *menu;
  guint nr;
};

/**
 * GtkSimpleMenuClass:
 * 
 * Abstract class type, don't use directly.
 */
struct _GtkSimpleMenuClass 
{
  GtkOptionMenuClass parent_class;
};

static GtkOptionMenuClass *parent_class = NULL;

static void
gtk_simple_menu_init (GtkSimpleMenu *sm)
{
  sm->menu = gtk_menu_new ();
  sm->nr = 0;

  gtk_option_menu_set_menu (GTK_OPTION_MENU (sm), sm->menu);
}

static void
gtk_simple_menu_show (GtkWidget *widget)
{
  GtkSimpleMenu *sm;

  g_return_if_fail (widget != NULL);
  g_return_if_fail (GTK_IS_SIMPLE_MENU (widget));

  GTK_WIDGET_CLASS (parent_class)->show (widget);

  sm = GTK_SIMPLE_MENU (widget);
  gtk_widget_show_all (sm->menu);
}

static void
gtk_simple_menu_class_init (GtkSimpleMenuClass * klass)
{
  GtkObjectClass *oclass;
  GtkWidgetClass *widget_class;

  parent_class = gtk_type_class (gtk_option_menu_get_type ());
  oclass = (GtkObjectClass *) klass;
  widget_class = (GtkWidgetClass *) klass;

  widget_class->show = gtk_simple_menu_show;
}

GtkType
gtk_simple_menu_get_type (void)
{
  static guint simple_menu_type = 0;

  if (! simple_menu_type)
    {
      static const GtkTypeInfo simple_menu_info =
      {
        "GtkSimpleMenu",
        sizeof (GtkSimpleMenu),
        sizeof (GtkSimpleMenuClass),
        (GtkClassInitFunc) gtk_simple_menu_class_init,
        (GtkObjectInitFunc) gtk_simple_menu_init,
        /* reserved_1 */ NULL,
        /* reserved_2 */ NULL,
        (GtkClassInitFunc) NULL,
      };
      simple_menu_type = gtk_type_unique (gtk_option_menu_get_type (), 
					  &simple_menu_info);
    }
  return simple_menu_type;
}

/**
 * gtk_simple_menu_new:
 * 
 * Create a new simple menu widget.
 * Returns: New widget.
 */
GtkWidget *
gtk_simple_menu_new (void)
{
  return GTK_WIDGET (gtk_type_new (gtk_simple_menu_get_type ()));
}

/**
 * gtk_simple_menu_append_item:
 * @sel: Menu to add an item to.
 * @item: Title for menu item.
 *
 * Adds a new menu item to a #GtkSimpleMenu.
 */
void
gtk_simple_menu_append_item (GtkSimpleMenu *sel, const gchar *item)
{
  GtkWidget *mi = gtk_menu_item_new_with_label (item);
  gtk_widget_show (mi);
  gtk_object_set_data (GTK_OBJECT (mi), "item", (gpointer)sel->nr++);
  gtk_menu_append (GTK_MENU (sel->menu), mi);
  if (sel->nr == 1)
    gtk_option_menu_set_history (GTK_OPTION_MENU (sel), 0);
}

/**
 * gtk_simple_menu_flush:
 * @sel: Menu to flush.
 *
 * Cleans up a #GtkSimpleMenu and removes all its items.
 */
void
gtk_simple_menu_flush (GtkSimpleMenu *sel)
{
  gtk_simple_menu_init (sel);
}