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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 void
label_set_text_for_monitor (GtkLabel *label,
GdkMonitor *monitor)
{
GdkRectangle monitor_geom;
gchar *str;
gdk_monitor_get_geometry (monitor, &monitor_geom);
str = g_strdup_printf ("<big><span foreground='white' background='black'>"
"%s %s</span></big>\n"
"<i>Width - Height </i>: (%d,%d)\n"
"<i>Top left coordinate </i>: (%d,%d)\n"
"<i>Primary monitor</i>: %s",
gdk_monitor_get_manufacturer (monitor),
gdk_monitor_get_model (monitor),
monitor_geom.width, monitor_geom.height,
monitor_geom.x, monitor_geom.y,
gdk_monitor_is_primary (monitor) ? "YES" : "no");
gtk_label_set_markup (label, str);
g_free (str);
}
static void
request (GtkWidget *widget,
gpointer user_data)
{
GdkDisplay *display = gtk_widget_get_display (widget);
GdkMonitor *monitor = gdk_display_get_monitor_at_surface (display,
gtk_widget_get_surface (widget));
if (monitor == NULL)
gtk_label_set_markup (GTK_LABEL (user_data),
"<big><span foreground='white' background='black'>Not on a monitor </span></big>");
else
label_set_text_for_monitor (GTK_LABEL (user_data), monitor);
}
static void
monitor_changed_cb (GdkMonitor *monitor,
GParamSpec *pspec,
GtkWidget *label)
{
request (label, label);
}
static void
monitor_added (GdkDisplay *display,
GdkMonitor *monitor,
gpointer unused)
{
GtkWidget *window, *label, *vbox, *button;
GdkRectangle monitor_geom;
gdk_monitor_get_geometry (monitor, &monitor_geom);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 200, 200);
gtk_window_move (GTK_WINDOW (window), (monitor_geom.width - 200) / 2 + monitor_geom.x,
(monitor_geom.height - 200) / 2 + monitor_geom.y);
label = gtk_label_new (NULL);
label_set_text_for_monitor (GTK_LABEL (label), monitor);
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 (window);
g_signal_connect (monitor, "notify",
G_CALLBACK (monitor_changed_cb), label);
g_signal_connect_swapped (monitor, "invalidate",
G_CALLBACK (gtk_widget_destroy), window);
}
int
main (int argc, char *argv[])
{
GdkDisplay *display;
gint i, num_monitors;
gtk_init ();
display = gdk_display_get_default ();
g_signal_connect (display, "monitor-added", G_CALLBACK (monitor_added), NULL);
num_monitors = gdk_display_get_n_monitors (display);
if (num_monitors == 1)
g_warning ("The current display only has one monitor.");
for (i = 0; i < num_monitors; i++)
{
GdkMonitor *monitor;
monitor = gdk_display_get_monitor (display, i);
monitor_added (display, monitor, NULL);
}
gtk_main ();
return 0;
}
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