/* testclientmessage.c

 * Copyright (C) 2008  Novell, Inc.

 *

 * 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 <gtk/gtk.h>

static GdkAtom my_type;

static GdkAtom random_type;

static void

send_known (void)

{

  GdkEvent *event = gdk_event_new (GDK_CLIENT_EVENT);

  static int counter = 42;

  int i;

  event->client.window = NULL;

  event->client.message_type = my_type;

  event->client.data_format = 32;

  event->client.data.l[0] = counter++;

  for (i = 1; i < 5; i++)

    event->client.data.l[i] = 0;

  gdk_screen_broadcast_client_message (gdk_display_get_default_screen (gdk_display_get_default ()), event);

  gdk_event_free (event);

}

void

send_random (void)

{

  GdkEvent *event = gdk_event_new (GDK_CLIENT_EVENT);

  static int counter = 1;

  int i;

  event->client.window = NULL;

  event->client.message_type = random_type;

  event->client.data_format = 32;

  event->client.data.l[0] = counter++;

  for (i = 1; i < 5; i++)

    event->client.data.l[i] = 0;

  gdk_screen_broadcast_client_message (gdk_display_get_default_screen (gdk_display_get_default ()), event);

  gdk_event_free (event);

}

static GdkFilterReturn

filter_func (GdkXEvent *xevent,

	     GdkEvent  *event,

	     gpointer   data)

{

  g_print ("Got matching client message!\n");

  return GDK_FILTER_REMOVE;

}

int

main (int argc, char **argv)

{

  GtkWidget *window;

  GtkWidget *vbox;

  GtkWidget *button;

  gtk_init (&argc, &argv);

  my_type = gdk_atom_intern ("GtkTestClientMessage", FALSE);

  random_type = gdk_atom_intern (g_strdup_printf ("GtkTestClientMessage-%d",

						  g_rand_int_range (g_rand_new (), 1, 99)),

				 FALSE);

  g_print ("using random client message type %s\n", gdk_atom_name (random_type));

  window = g_object_connect (g_object_new (gtk_window_get_type (),

					   "type", GTK_WINDOW_TOPLEVEL,

					   "title", "testclientmessage",

					   "border_width", 10,

					   NULL),

			     "signal::destroy", gtk_main_quit, NULL,

			     NULL);

  vbox = g_object_new (gtk_vbox_get_type (),

		       "GtkWidget::parent", window,

		       "GtkWidget::visible", TRUE,

		       NULL);

  button = g_object_connect (g_object_new (gtk_button_get_type (),

					   "GtkButton::label", "send known client message",

					   "GtkWidget::parent", vbox,

					   "GtkWidget::visible", TRUE,

					   NULL),

			     "signal::clicked", send_known, NULL,

			     NULL);

  button = g_object_connect (g_object_new (gtk_button_get_type (),

					   "GtkButton::label", "send random client message",

					   "GtkWidget::parent", vbox,

					   "GtkWidget::visible", TRUE,

					   NULL),

			     "signal::clicked", send_random, NULL,

			     NULL);

  gdk_display_add_client_message_filter (gdk_display_get_default (),

					 my_type,

					 filter_func,

					 NULL);

  gtk_widget_show (window);

  gtk_main ();

  return 0;

}