Blame tests/testxinerama.c

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/* testmultidisplay.c
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 * Copyright (C) 2001 Sun Microsystems Inc.
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 * Author: Erwann Chenede <erwann.chenede@sun.com>
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Library General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Library General Public License for more details.
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 *
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 * You should have received a copy of the GNU Library General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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#include "config.h"
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#include <stdlib.h>
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#include <gtk/gtk.h>
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static gint num_monitors;
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static gint primary_monitor;
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static void
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request (GtkWidget      *widget,
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	 gpointer        user_data)
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{
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  gchar *str;
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  GdkScreen *screen = gtk_widget_get_screen (widget);
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  gint i = gdk_screen_get_monitor_at_window (screen,
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					     widget->window);
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  if (i < 0)
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    str = g_strdup ("<big>Not on a monitor </big>");
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  else
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    {
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      GdkRectangle monitor;
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      gdk_screen_get_monitor_geometry (screen,
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                                       i, &monitor);
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      primary_monitor = gdk_screen_get_primary_monitor (screen);
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      str = g_strdup_printf ("<big>"
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			     "Monitor %d of %d</big>\n"
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			     "Width - Height       : (%d,%d)\n"
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			     "Top left coordinate : (%d,%d)\n"
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                             "Primary monitor: %d",
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                             i + 1, num_monitors,
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			     monitor.width, monitor.height,
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                             monitor.x, monitor.y,
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                             primary_monitor);
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    }
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  gtk_label_set_markup (GTK_LABEL (user_data), str);
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  g_free (str);
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}
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static void
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monitors_changed_cb (GdkScreen *screen,
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                     gpointer   data)
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{
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  GtkWidget *label = (GtkWidget *)data;
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  request (label, label);
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}
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int
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main (int argc, char *argv[])
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{
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  GtkWidget *window, *label, *vbox, *button;
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  GdkScreen *screen;
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  gint i;
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  gtk_init (&argc, &argv);
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  screen = gdk_screen_get_default ();
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  num_monitors = gdk_screen_get_n_monitors (screen);
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  if (num_monitors == 1)
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    g_warning ("The default screen of the current display only has one monitor.");
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  primary_monitor = gdk_screen_get_primary_monitor (screen);
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  for (i = 0; i < num_monitors; i++)
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    {
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      GdkRectangle monitor; 
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      gchar *str;
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      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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      gdk_screen_get_monitor_geometry (screen, i, &monitor);
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      gtk_window_set_default_size (GTK_WINDOW (window), 200, 200);
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      gtk_window_move (GTK_WINDOW (window), (monitor.width - 200) / 2 + monitor.x,
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		       (monitor.height - 200) / 2 + monitor.y);
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      label = gtk_label_new (NULL);
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      str = g_strdup_printf ("<big>"
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			     "Monitor %d of %d</big>\n"
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			     "Width - Height       : (%d,%d)\n"
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			     "Top left coordinate : (%d,%d)\n"
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                             "Primary monitor: %d",
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                             i + 1, num_monitors,
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			     monitor.width, monitor.height,
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                             monitor.x, monitor.y,
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                             primary_monitor);
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      gtk_label_set_markup (GTK_LABEL (label), str);
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      g_free (str);
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      vbox = gtk_vbox_new (TRUE, 1);
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      gtk_container_add (GTK_CONTAINER (window), vbox);
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      gtk_container_add (GTK_CONTAINER (vbox), label);
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      button = gtk_button_new_with_label ("Query current monitor");
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      g_signal_connect (button, "clicked", G_CALLBACK (request), label);
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      gtk_container_add (GTK_CONTAINER (vbox), button);
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      button = gtk_button_new_with_label ("Close");
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      g_signal_connect (button, "clicked", G_CALLBACK (gtk_main_quit), NULL);
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      gtk_container_add (GTK_CONTAINER (vbox), button);
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      gtk_widget_show_all (window);
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      g_signal_connect (screen, "monitors-changed",
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                        G_CALLBACK (monitors_changed_cb), label);
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    }
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  gtk_main ();
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  return 0;
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}