/* testmultidisplay.c

 * Copyright (C) 2001 Sun Microsystems Inc.

 * Author: Erwann Chenede <erwann.chenede@sun.com>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#include "config.h"

#include <gtk/gtk.h>

static GtkWidget **images;

static GtkWidget **vbox;

static void

hello (GtkWidget * button, char *label)

{

  g_print ("Click from %s\n", label);

}

static void

show_hide (GtkWidget * button, gpointer data)

{

  gint num_screen = GPOINTER_TO_INT (data);

  static gboolean visible = TRUE;

  if (visible)

    {

      gtk_widget_hide (images[num_screen]);

      gtk_button_set_label (GTK_BUTTON (button), "Show Icon");

      visible = FALSE;

    }

  else

    {

      gtk_widget_show (images[num_screen]);

      gtk_button_set_label (GTK_BUTTON (button), "Hide Icon");

      visible = TRUE;

    }

}

static void

move (GtkWidget *button, GtkVBox *vbox)

{

  GdkScreen *screen = gtk_widget_get_screen (button);

  GtkWidget *toplevel = gtk_widget_get_toplevel (button);

  GtkWidget *new_toplevel;  

  GdkDisplay *display = gdk_screen_get_display (screen);

  gint number_of_screens = gdk_display_get_n_screens (display);

  gint screen_num = gdk_screen_get_number (screen);

  g_print ("This button is on screen %d\n", gdk_screen_get_number (screen));

  new_toplevel = gtk_window_new (GTK_WINDOW_TOPLEVEL);

  if ((screen_num +1) < number_of_screens)

    gtk_window_set_screen (GTK_WINDOW (new_toplevel), 

			   gdk_display_get_screen (display,

						   screen_num + 1));

  else

    gtk_window_set_screen (GTK_WINDOW (new_toplevel), 

			   gdk_display_get_screen (display, 0));

  gtk_widget_reparent (GTK_WIDGET (vbox), new_toplevel);

  gtk_widget_destroy (toplevel);

  gtk_widget_show_all (new_toplevel);

}

int

main (int argc, char *argv[])

{

  GtkWidget **window;

  GtkWidget *moving_window, *moving_button, *moving_vbox, *moving_image;

  gint num_screen = 0;

  gchar *displayname = NULL;

  gint i;

  GdkScreen **screen_list;

  GdkDisplay *dpy;

  GSList *ids;

  gtk_init (&argc, &argv);

  dpy = gdk_display_get_default ();

  num_screen = gdk_display_get_n_screens (dpy);

  displayname = g_strdup (gdk_display_get_name (dpy));

  g_print ("This X Server (%s) manages %d screen(s).\n",

	   displayname, num_screen);

  screen_list = g_new (GdkScreen *, num_screen);

  window = g_new (GtkWidget *, num_screen);

  images = g_new (GtkWidget *, num_screen);

  vbox = g_new (GtkWidget *, num_screen);

  ids = gtk_stock_list_ids ();

  for (i = 0; i < num_screen; i++)

    {

      char *label = g_strdup_printf ("Screen %d", i);

      GtkWidget *button;

      screen_list[i] = gdk_display_get_screen (dpy, i);

      window[i] = g_object_new (GTK_TYPE_WINDOW,

				  "screen", screen_list[i],

				  "user_data", NULL,

				  "type", GTK_WINDOW_TOPLEVEL,

				  "title", label,

				  "allow_grow", FALSE,

				  "allow_shrink", FALSE,

				  "border_width", 10, NULL,

				  NULL);

      g_signal_connect (window[i], "destroy",

			G_CALLBACK (gtk_main_quit), NULL);

      vbox[i] = gtk_vbox_new (TRUE, 0);

      gtk_container_add (GTK_CONTAINER (window[i]), vbox[i]);

      button = g_object_new (GTK_TYPE_BUTTON,

			       "label", label,

			       "parent", vbox[i],

			       "visible", TRUE, NULL,

			       NULL);

      g_signal_connect (button, "clicked",

			G_CALLBACK (hello), label);

      images[i] = gtk_image_new_from_stock (g_slist_nth (ids, i+1)->data,

					     GTK_ICON_SIZE_BUTTON);

      gtk_container_add (GTK_CONTAINER (vbox[i]), images[i]);

      button = g_object_new (GTK_TYPE_BUTTON,

			       "label", "Hide Icon",

			       "parent", vbox[i],

			       "visible", TRUE, NULL,

			       NULL);

      g_signal_connect (button, "clicked",

			G_CALLBACK (show_hide), GINT_TO_POINTER (i));

    }

  for (i = 0; i < num_screen; i++)

    gtk_widget_show_all (window[i]);

  moving_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

  moving_vbox = gtk_vbox_new (TRUE, 0);

  gtk_container_add (GTK_CONTAINER (moving_window), moving_vbox);

  moving_button = g_object_new (GTK_TYPE_BUTTON,

				  "label", "Move to Next Screen",

				  "visible", TRUE,

				  NULL);

  g_signal_connect (moving_button, "clicked", 

		    G_CALLBACK (move), moving_vbox);

  gtk_container_add (GTK_CONTAINER (moving_vbox), moving_button);

  moving_image = gtk_image_new_from_stock (g_slist_nth (ids, num_screen + 2)->data,

					   GTK_ICON_SIZE_BUTTON);

  gtk_container_add (GTK_CONTAINER (moving_vbox), moving_image);

  gtk_widget_show_all (moving_window);

  gtk_main ();

  return 0;

}