Pileus Git - ~andy/gtk/blob - tests/testclientmessage.c

   1 /* testclientmessage.c
   2  * Copyright (C) 2008  Novell, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include <gtk/gtk.h>
  21
  22 static GdkAtom my_type;
  23 static GdkAtom random_type;
  24
  25 static void
  26 send_known (void)
  27 {
  28   GdkEvent *event = gdk_event_new (GDK_CLIENT_EVENT);
  29   static int counter = 42;
  30   int i;
  31
  32   event->client.window = NULL;
  33   event->client.message_type = my_type;
  34   event->client.data_format = 32;
  35   event->client.data.l[0] = counter++;
  36   for (i = 1; i < 5; i++)
  37     event->client.data.l[i] = 0;
  38
  39   gdk_screen_broadcast_client_message (gdk_display_get_default_screen (gdk_display_get_default ()), event);
  40
  41   gdk_event_free (event);
  42 }
  43
  44 void
  45 send_random (void)
  46 {
  47   GdkEvent *event = gdk_event_new (GDK_CLIENT_EVENT);
  48   static int counter = 1;
  49   int i;
  50
  51   event->client.window = NULL;
  52   event->client.message_type = random_type;
  53   event->client.data_format = 32;
  54   event->client.data.l[0] = counter++;
  55   for (i = 1; i < 5; i++)
  56     event->client.data.l[i] = 0;
  57
  58   gdk_screen_broadcast_client_message (gdk_display_get_default_screen (gdk_display_get_default ()), event);
  59
  60   gdk_event_free (event);
  61 }
  62
  63 static GdkFilterReturn
  64 filter_func (GdkXEvent *xevent,
  65              GdkEvent  *event,
  66              gpointer   data)
  67 {
  68   g_print ("Got matching client message!\n");
  69   return GDK_FILTER_REMOVE;
  70 }
  71
  72 int
  73 main (int argc, char **argv)
  74 {
  75   GtkWidget *window;
  76   GtkWidget *vbox;
  77   GtkWidget *button;
  78
  79   gtk_init (&argc, &argv);
  80
  81   my_type = gdk_atom_intern ("GtkTestClientMessage", FALSE);
  82   random_type = gdk_atom_intern (g_strdup_printf ("GtkTestClientMessage-%d",
  83                                                   g_rand_int_range (g_rand_new (), 1, 99)),
  84                                  FALSE);
  85
  86   g_print ("using random client message type %s\n", gdk_atom_name (random_type));
  87
  88   window = g_object_connect (g_object_new (gtk_window_get_type (),
  89                                            "type", GTK_WINDOW_TOPLEVEL,
  90                                            "title", "testclientmessage",
  91                                            "border_width", 10,
  92                                            NULL),
  93                              "signal::destroy", gtk_main_quit, NULL,
  94                              NULL);
  95   vbox = g_object_new (gtk_vbox_get_type (),
  96                        "GtkWidget::parent", window,
  97                        "GtkWidget::visible", TRUE,
  98                        NULL);
  99   button = g_object_connect (g_object_new (gtk_button_get_type (),
 100                                            "GtkButton::label", "send known client message",
 101                                            "GtkWidget::parent", vbox,
 102                                            "GtkWidget::visible", TRUE,
 103                                            NULL),
 104                              "signal::clicked", send_known, NULL,
 105                              NULL);
 106   button = g_object_connect (g_object_new (gtk_button_get_type (),
 107                                            "GtkButton::label", "send random client message",
 108                                            "GtkWidget::parent", vbox,
 109                                            "GtkWidget::visible", TRUE,
 110                                            NULL),
 111                              "signal::clicked", send_random, NULL,
 112                              NULL);
 113   gdk_display_add_client_message_filter (gdk_display_get_default (),
 114                                          my_type,
 115                                          filter_func,
 116                                          NULL);
 117   gtk_widget_show (window);
 118
 119   gtk_main ();
 120
 121   return 0;
 122 }