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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2008 William Jon McCann <jmccann@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; 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 <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <glib-object.h>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include "gdm-remote-login-window.h"
#include "gdm-common.h"
#define GDM_REMOTE_LOGIN_WINDOW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_REMOTE_LOGIN_WINDOW, GdmRemoteLoginWindowPrivate))
struct GdmRemoteLoginWindowPrivate
{
gboolean connected;
char *hostname;
char *display;
GPid xserver_pid;
guint xserver_watch_id;
};
enum {
PROP_0,
};
enum {
DISCONNECTED,
LAST_SIGNAL
};
static guint signals [LAST_SIGNAL] = { 0, };
static void gdm_remote_login_window_class_init (GdmRemoteLoginWindowClass *klass);
static void gdm_remote_login_window_init (GdmRemoteLoginWindow *remote_login_window);
static void gdm_remote_login_window_finalize (GObject *object);
G_DEFINE_TYPE (GdmRemoteLoginWindow, gdm_remote_login_window, GTK_TYPE_WINDOW)
static void
xserver_child_watch (GPid pid,
int status,
GdmRemoteLoginWindow *login_window)
{
g_debug ("GdmRemoteLoginWindow: **** xserver (pid:%d) done (%s:%d)",
(int) pid,
WIFEXITED (status) ? "status"
: WIFSIGNALED (status) ? "signal"
: "unknown",
WIFEXITED (status) ? WEXITSTATUS (status)
: WIFSIGNALED (status) ? WTERMSIG (status)
: -1);
g_spawn_close_pid (login_window->priv->xserver_pid);
login_window->priv->xserver_pid = -1;
login_window->priv->xserver_watch_id = 0;
gtk_widget_destroy (GTK_WIDGET (login_window));
}
static gboolean
start_xephyr (GdmRemoteLoginWindow *login_window)
{
GError *local_error;
char **argv;
gboolean res;
gboolean ret;
int flags;
char *command;
command = g_strdup_printf ("Xephyr -query %s -parent 0x%x -br -once %s",
login_window->priv->hostname,
(unsigned int)GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET (login_window))),
login_window->priv->display);
g_debug ("GdmRemoteLoginWindow: Running: %s", command);
ret = FALSE;
argv = NULL;
local_error = NULL;
res = g_shell_parse_argv (command, NULL, &argv, &local_error);
if (! res) {
g_warning ("GdmRemoteLoginWindow: Unable to parse command: %s", local_error->message);
g_error_free (local_error);
goto out;
}
flags = G_SPAWN_SEARCH_PATH
| G_SPAWN_DO_NOT_REAP_CHILD;
local_error = NULL;
res = g_spawn_async (NULL,
argv,
NULL,
flags,
NULL,
NULL,
&login_window->priv->xserver_pid,
&local_error);
g_strfreev (argv);
if (! res) {
g_warning ("GdmRemoteLoginWindow: Unable to run command %s: %s",
command,
local_error->message);
g_error_free (local_error);
goto out;
}
g_debug ("GdmRemoteLoginWindow: Started: pid=%d command='%s'",
login_window->priv->xserver_pid,
command);
login_window->priv->xserver_watch_id = g_child_watch_add (login_window->priv->xserver_pid,
(GChildWatchFunc)xserver_child_watch,
login_window);
ret = TRUE;
out:
g_free (command);
return ret;
}
static gboolean
start_xdmx (GdmRemoteLoginWindow *login_window)
{
char *cmd;
gboolean res;
GError *error;
cmd = g_strdup_printf ("Xdmx -query %s -br -once %s",
login_window->priv->hostname,
login_window->priv->display);
g_debug ("Running: %s", cmd);
error = NULL;
res = g_spawn_command_line_async (cmd, &error);
g_free (cmd);
if (! res) {
g_warning ("Could not start Xdmx X server: %s", error->message);
g_error_free (error);
return FALSE;
}
return TRUE;
}
gboolean
gdm_remote_login_window_connect (GdmRemoteLoginWindow *login_window,
const char *hostname)
{
gboolean res;
char *title;
title = g_strdup_printf (_("Remote Login (Connecting to %s…)"), hostname);
gtk_window_set_title (GTK_WINDOW (login_window), title);
login_window->priv->hostname = g_strdup (hostname);
login_window->priv->display = g_strdup (":300");
if (0) {
res = start_xdmx (login_window);
} else {
res = start_xephyr (login_window);
}
if (res) {
title = g_strdup_printf (_("Remote Login (Connected to %s)"), hostname);
gtk_window_set_title (GTK_WINDOW (login_window), title);
g_free (title);
}
return res;
}
static void
gdm_remote_login_window_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdm_remote_login_window_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GObject *
gdm_remote_login_window_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
GdmRemoteLoginWindow *login_window;
login_window = GDM_REMOTE_LOGIN_WINDOW (G_OBJECT_CLASS (gdm_remote_login_window_parent_class)->constructor (type,
n_construct_properties,
construct_properties));
return G_OBJECT (login_window);
}
static void
gdm_remote_login_window_class_init (GdmRemoteLoginWindowClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = gdm_remote_login_window_get_property;
object_class->set_property = gdm_remote_login_window_set_property;
object_class->constructor = gdm_remote_login_window_constructor;
object_class->finalize = gdm_remote_login_window_finalize;
signals [DISCONNECTED] =
g_signal_new ("disconnected",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GdmRemoteLoginWindowClass, disconnected),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
g_type_class_add_private (klass, sizeof (GdmRemoteLoginWindowPrivate));
}
static void
gdm_remote_login_window_init (GdmRemoteLoginWindow *login_window)
{
login_window->priv = GDM_REMOTE_LOGIN_WINDOW_GET_PRIVATE (login_window);
gtk_window_set_position (GTK_WINDOW (login_window), GTK_WIN_POS_CENTER_ALWAYS);
gtk_window_set_title (GTK_WINDOW (login_window), _("Remote Login"));
gtk_window_set_decorated (GTK_WINDOW (login_window), FALSE);
gtk_window_set_skip_taskbar_hint (GTK_WINDOW (login_window), TRUE);
gtk_window_set_skip_pager_hint (GTK_WINDOW (login_window), TRUE);
gtk_window_stick (GTK_WINDOW (login_window));
gtk_window_maximize (GTK_WINDOW (login_window));
gtk_window_set_icon_name (GTK_WINDOW (login_window), "computer");
}
static void
gdm_remote_login_window_finalize (GObject *object)
{
GdmRemoteLoginWindow *login_window;
g_return_if_fail (object != NULL);
g_return_if_fail (GDM_IS_REMOTE_LOGIN_WINDOW (object));
login_window = GDM_REMOTE_LOGIN_WINDOW (object);
g_return_if_fail (login_window->priv != NULL);
G_OBJECT_CLASS (gdm_remote_login_window_parent_class)->finalize (object);
}
GtkWidget *
gdm_remote_login_window_new (gboolean is_local)
{
GObject *object;
object = g_object_new (GDM_TYPE_REMOTE_LOGIN_WINDOW,
NULL);
return GTK_WIDGET (object);
}
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