tests/testxinerama.c

   1 /* testmultidisplay.c
   2  * Copyright (C) 2001 Sun Microsystems Inc.
   3  * Author: Erwann Chenede <erwann.chenede@sun.com>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include "config.h"
  22 #include <stdlib.h>
  23 #include <gtk/gtk.h>
  24
  25 static gint num_monitors;
  26
  27 static void
  28 request (GtkWidget      *widget,
  29          gpointer        user_data)
  30 {
  31   gchar *str;
  32   gint i = gdk_screen_get_monitor_at_window (gtk_widget_get_screen (widget),
  33                                              widget->window);
  34
  35   if (i < 0)
  36     str = g_strdup ("<big><span foreground='white' background='black'>Not on a monitor </span></big>");
  37   else
  38     {
  39       GdkRectangle monitor;
  40       gdk_screen_get_monitor_geometry (gtk_widget_get_screen (widget), i, &monitor);
  41       str = g_strdup_printf ("<big><span foreground='white' background='black'>"
  42                              "Monitor %d of %d</span></big>\n"
  43                              "<i>Width - Height       </i>: (%d,%d)\n"
  44                              "<i>Top left coordinate </i>: (%d,%d)",i+1, num_monitors,
  45                              monitor.width, monitor.height, monitor.x, monitor.y);
  46     }
  47
  48   gtk_label_set_markup (GTK_LABEL (user_data), str);
  49   g_free (str);
  50 }
  51
  52 int
  53 main (int argc, char *argv[])
  54 {
  55   GtkWidget *window, *label, *vbox, *button;
  56   GdkScreen *screen;
  57   gint i;
  58
  59   gtk_init (&argc, &argv);
  60
  61   screen = gdk_screen_get_default ();
  62
  63   num_monitors = gdk_screen_get_n_monitors (screen);
  64   if (num_monitors == 1)
  65     g_warning ("The default screen of the current display only has one monitor.");
  66
  67   for (i=0; i<num_monitors; i++)
  68     {
  69       GdkRectangle monitor;
  70       gchar *str;
  71
  72       window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  73
  74       gdk_screen_get_monitor_geometry (screen, i, &monitor);
  75       gtk_window_set_default_size (GTK_WINDOW (window), 200, 200);
  76       gtk_window_move (GTK_WINDOW (window), (monitor.width - 200) / 2 + monitor.x,
  77                        (monitor.height - 200) / 2 + monitor.y);
  78
  79       label = gtk_label_new (NULL);
  80       str = g_strdup_printf ("<big><span foreground='white' background='black'>"
  81                              "Monitor %d of %d</span></big>\n"
  82                              "<i>Width - Height       </i>: (%d,%d)\n"
  83                              "<i>Top left coordinate </i>: (%d,%d)",i+1, num_monitors,
  84                              monitor.width, monitor.height, monitor.x, monitor.y);
  85       gtk_label_set_markup (GTK_LABEL (label), str);
  86       g_free (str);
  87       vbox = gtk_vbox_new (TRUE, 1);
  88       gtk_container_add (GTK_CONTAINER (window), vbox);
  89       gtk_container_add (GTK_CONTAINER (vbox), label);
  90       button = gtk_button_new_with_label ("Query current monitor");
  91       g_signal_connect (button, "clicked", G_CALLBACK (request), label);
  92       gtk_container_add (GTK_CONTAINER (vbox), button);
  93       button = gtk_button_new_with_label ("Close");
  94       g_signal_connect (button, "clicked", G_CALLBACK (gtk_main_quit), NULL);
  95       gtk_container_add (GTK_CONTAINER (vbox), button);
  96       gtk_widget_show_all (window);
  97     }
  98
  99   gtk_main ();
 100
 101   return 0;
 102 }