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/*
* Copyright (C) 2005 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdlib.h>
#include <locale.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <X11/Xlib.h>
#include <X11/extensions/dmxext.h>
static char *to_display = NULL;
static char *backend_display = NULL;
static char *to_authfile = NULL;
static char *backend_authfile = NULL;
static GOptionEntry options[] = {
{
"to", 0, 0, G_OPTION_ARG_STRING, &to_display,
N_("DMX display to migrate to"),
N_("DISPLAY")
},
{
"display", 0, 0, G_OPTION_ARG_STRING, &backend_display,
N_("Backend display name"),
N_("DISPLAY")
},
{
"to-authfile", 0, 0, G_OPTION_ARG_STRING, &to_authfile,
N_("Xauthority file for destination display"),
N_("AUTHFILE")
},
{
"display-authfile", 0, 0, G_OPTION_ARG_STRING, &backend_authfile,
N_("Xauthority file for backend display"),
N_("AUTHFILE")
},
{ NULL }
};
static Display *
get_dmx_display (const char *display_name,
const char *authfile)
{
Display *display;
int event_base, error_base;
const char *old_authfile;
old_authfile = getenv ("XAUTHORITY");
g_setenv ("XAUTHORITY", authfile, TRUE);
if ((display = XOpenDisplay (display_name)) == NULL)
g_printerr (_("Failed to open display \"%s\"\n"), display_name);
if (display != NULL &&
!DMXQueryExtension (display, &event_base, &error_base)) {
g_printerr (_("DMX extension not present on \"%s\"\n"), display_name);
XCloseDisplay (display);
display = NULL;
}
g_setenv ("XAUTHORITY", old_authfile, TRUE);
return display;
}
int
main (int argc, char **argv)
{
GOptionContext *options_context;
Display *display;
DMXScreenAttributes attr;
guint mask;
int screen;
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
textdomain (GETTEXT_PACKAGE);
options_context = g_option_context_new (_("- migrate a backend display from one DMX display to another"));
g_option_context_add_main_entries (options_context, options, GETTEXT_PACKAGE);
g_option_context_parse (options_context, &argc, &argv, NULL);
g_option_context_free (options_context);
if (to_display == NULL) {
g_printerr (_("You must specify a destination DMX display using %s\n"), "--to");
return 1;
}
if (backend_display == NULL) {
g_printerr (_("You must specify a backend display by using %s\n"), "--display");
return 1;
}
if ((display = get_dmx_display (to_display, to_authfile)) == NULL)
return 1;
/* Note, we have no way yet of using backend_authfile to ensure
* that the DMX server can authenticate against the backend Xserver.
* For now, we must disable access control on the backend server.
*/
mask = 0;
screen = 0;
if (!DMXAddScreen (display, backend_display, mask, &attr, &screen)) {
g_printerr (_("DMXAddScreen \"%s\" failed on \"%s\"\n"),
backend_display, to_display);
XCloseDisplay (display);
return 1;
}
XCloseDisplay (display);
return 0;
}
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