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/* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include <gtk/gtk.h>
static gint num_monitors;
static gint primary_monitor;
static void
request (GtkWidget *widget,
gpointer user_data)
{
gchar *str;
GdkScreen *screen = gtk_widget_get_screen (widget);
gint i = gdk_screen_get_monitor_at_window (screen,
gtk_widget_get_window (widget));
if (i < 0)
str = g_strdup ("<big><span foreground='white' background='black'>Not on a monitor </span></big>");
else
{
GdkRectangle monitor;
gdk_screen_get_monitor_geometry (screen,
i, &monitor);
primary_monitor = gdk_screen_get_primary_monitor (screen);
str = g_strdup_printf ("<big><span foreground='white' background='black'>"
"Monitor %d of %d</span></big>\n"
"<i>Width - Height </i>: (%d,%d)\n"
"<i>Top left coordinate </i>: (%d,%d)\n"
"<i>Primary monitor: %d</i>",
i + 1, num_monitors,
monitor.width, monitor.height,
monitor.x, monitor.y,
primary_monitor);
}
gtk_label_set_markup (GTK_LABEL (user_data), str);
g_free (str);
}
static void
monitors_changed_cb (GdkScreen *screen,
gpointer data)
{
GtkWidget *label = (GtkWidget *)data;
request (label, label);
}
int
main (int argc, char *argv[])
{
GtkWidget *window, *label, *vbox, *button;
GdkScreen *screen;
gint i;
gtk_init (&argc, &argv);
screen = gdk_screen_get_default ();
num_monitors = gdk_screen_get_n_monitors (screen);
if (num_monitors == 1)
g_warning ("The default screen of the current display only has one monitor.");
primary_monitor = gdk_screen_get_primary_monitor (screen);
for (i = 0; i < num_monitors; i++)
{
GdkRectangle monitor;
gchar *str;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gdk_screen_get_monitor_geometry (screen, i, &monitor);
gtk_window_set_default_size (GTK_WINDOW (window), 200, 200);
gtk_window_move (GTK_WINDOW (window), (monitor.width - 200) / 2 + monitor.x,
(monitor.height - 200) / 2 + monitor.y);
label = gtk_label_new (NULL);
str = g_strdup_printf ("<big><span foreground='white' background='black'>"
"Monitor %d of %d</span></big>\n"
"<i>Width - Height </i>: (%d,%d)\n"
"<i>Top left coordinate </i>: (%d,%d)\n"
"<i>Primary monitor: %d</i>",
i + 1, num_monitors,
monitor.width, monitor.height,
monitor.x, monitor.y,
primary_monitor);
gtk_label_set_markup (GTK_LABEL (label), str);
g_free (str);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 1);
gtk_box_set_homogeneous (GTK_BOX (vbox), TRUE);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_container_add (GTK_CONTAINER (vbox), label);
button = gtk_button_new_with_label ("Query current monitor");
g_signal_connect (button, "clicked", G_CALLBACK (request), label);
gtk_container_add (GTK_CONTAINER (vbox), button);
button = gtk_button_new_with_label ("Close");
g_signal_connect (button, "clicked", G_CALLBACK (gtk_main_quit), NULL);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show_all (window);
g_signal_connect (screen, "monitors-changed",
G_CALLBACK (monitors_changed_cb), label);
}
gtk_main ();
return 0;
}
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