mate-submodules: use git submodule for libegg

1 files changed, 0 insertions, 1372 deletions

diff --git a/libegg/eggsmclient-xsmp.c b/libegg/eggsmclient-xsmp.c
deleted file mode 100644
index b95dc518..00000000
--- a/libegg/eggsmclient-xsmp.c
+++ /dev/null
@@ -1,1372 +0,0 @@
-/*
- * Copyright (C) 2007 Novell, Inc.
- *
- * Inspired by various other pieces of code including GsmClient (C)
- * 2001 Havoc Pennington, MateClient (C) 1998 Carsten Schaar, and twm
- * session code (C) 1998 The Open Group.
- *
- * 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, write to the
- * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-
-#include "eggsmclient.h"
-#include "eggsmclient-private.h"
-
-#include "eggdesktopfile.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <X11/SM/SMlib.h>
-
-#include <gtk/gtk.h>
-#include <gdk/gdk.h>
-#include <gdk/gdkx.h>
-
-#define EGG_TYPE_SM_CLIENT_XSMP            (egg_sm_client_xsmp_get_type ())
-#define EGG_SM_CLIENT_XSMP(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), EGG_TYPE_SM_CLIENT_XSMP, EggSMClientXSMP))
-#define EGG_SM_CLIENT_XSMP_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), EGG_TYPE_SM_CLIENT_XSMP, EggSMClientXSMPClass))
-#define EGG_IS_SM_CLIENT_XSMP(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EGG_TYPE_SM_CLIENT_XSMP))
-#define EGG_IS_SM_CLIENT_XSMP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EGG_TYPE_SM_CLIENT_XSMP))
-#define EGG_SM_CLIENT_XSMP_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), EGG_TYPE_SM_CLIENT_XSMP, EggSMClientXSMPClass))
-
-typedef struct _EggSMClientXSMP        EggSMClientXSMP;
-typedef struct _EggSMClientXSMPClass   EggSMClientXSMPClass;
-
-/* These mostly correspond to the similarly-named states in section
- * 9.1 of the XSMP spec. Some of the states there aren't represented
- * here, because we don't need them. SHUTDOWN_CANCELLED is slightly
- * different from the spec; we use it when the client is IDLE after a
- * ShutdownCancelled message, but the application is still interacting
- * and doesn't know the shutdown has been cancelled yet.
- */
-typedef enum
-{
-    XSMP_STATE_IDLE,
-    XSMP_STATE_SAVE_YOURSELF,
-    XSMP_STATE_INTERACT_REQUEST,
-    XSMP_STATE_INTERACT,
-    XSMP_STATE_SAVE_YOURSELF_DONE,
-    XSMP_STATE_SHUTDOWN_CANCELLED,
-    XSMP_STATE_CONNECTION_CLOSED
-} EggSMClientXSMPState;
-
-static const char *state_names[] =
-{
-    "idle",
-    "save-yourself",
-    "interact-request",
-    "interact",
-    "save-yourself-done",
-    "shutdown-cancelled",
-    "connection-closed"
-};
-
-#define EGG_SM_CLIENT_XSMP_STATE(xsmp) (state_names[(xsmp)->state])
-
-struct _EggSMClientXSMP
-{
-    EggSMClient parent;
-
-    SmcConn connection;
-    char *client_id;
-
-    EggSMClientXSMPState state;
-    char **restart_command;
-    gboolean set_restart_command;
-    int restart_style;
-
-    guint idle;
-
-    /* Current SaveYourself state */
-    guint expecting_initial_save_yourself : 1;
-    guint need_save_state : 1;
-    guint need_quit_requested : 1;
-    guint interact_errors : 1;
-    guint shutting_down : 1;
-
-    /* Todo list */
-    guint waiting_to_set_initial_properties : 1;
-    guint waiting_to_emit_quit : 1;
-    guint waiting_to_emit_quit_cancelled : 1;
-    guint waiting_to_save_myself : 1;
-
-};
-
-struct _EggSMClientXSMPClass
-{
-    EggSMClientClass parent_class;
-
-};
-
-static void     sm_client_xsmp_startup (EggSMClient *client,
-                                        const char  *client_id);
-static void     sm_client_xsmp_set_restart_command (EggSMClient  *client,
-        int           argc,
-        const char  **argv);
-static void     sm_client_xsmp_will_quit (EggSMClient *client,
-        gboolean     will_quit);
-static gboolean sm_client_xsmp_end_session (EggSMClient         *client,
-        EggSMClientEndStyle  style,
-        gboolean  request_confirmation);
-
-static void xsmp_save_yourself      (SmcConn   smc_conn,
-                                     SmPointer client_data,
-                                     int       save_style,
-                                     Bool      shutdown,
-                                     int       interact_style,
-                                     Bool      fast);
-static void xsmp_die                (SmcConn   smc_conn,
-                                     SmPointer client_data);
-static void xsmp_save_complete      (SmcConn   smc_conn,
-                                     SmPointer client_data);
-static void xsmp_shutdown_cancelled (SmcConn   smc_conn,
-                                     SmPointer client_data);
-static void xsmp_interact           (SmcConn   smc_conn,
-                                     SmPointer client_data);
-
-static SmProp *array_prop        (const char    *name,
-                                  ...);
-static SmProp *ptrarray_prop     (const char    *name,
-                                  GPtrArray     *values);
-static SmProp *string_prop       (const char    *name,
-                                  const char    *value);
-static SmProp *card8_prop        (const char    *name,
-                                  unsigned char  value);
-
-static void set_properties         (EggSMClientXSMP *xsmp, ...);
-static void delete_properties      (EggSMClientXSMP *xsmp, ...);
-
-static GPtrArray *generate_command (char       **restart_command,
-                                    const char  *client_id,
-                                    const char  *state_file);
-
-static void save_state            (EggSMClientXSMP *xsmp);
-static void do_save_yourself      (EggSMClientXSMP *xsmp);
-static void update_pending_events (EggSMClientXSMP *xsmp);
-
-static void     ice_init             (void);
-static gboolean process_ice_messages (IceConn       ice_conn);
-static void     smc_error_handler    (SmcConn       smc_conn,
-                                      Bool          swap,
-                                      int           offending_minor_opcode,
-                                      unsigned long offending_sequence,
-                                      int           error_class,
-                                      int           severity,
-                                      SmPointer     values);
-
-G_DEFINE_TYPE (EggSMClientXSMP, egg_sm_client_xsmp, EGG_TYPE_SM_CLIENT)
-
-static void
-egg_sm_client_xsmp_init (EggSMClientXSMP *xsmp)
-{
-    xsmp->state = XSMP_STATE_CONNECTION_CLOSED;
-    xsmp->connection = NULL;
-    xsmp->restart_style = SmRestartIfRunning;
-}
-
-static void
-egg_sm_client_xsmp_class_init (EggSMClientXSMPClass *klass)
-{
-    EggSMClientClass *sm_client_class = EGG_SM_CLIENT_CLASS (klass);
-
-    sm_client_class->startup             = sm_client_xsmp_startup;
-    sm_client_class->set_restart_command = sm_client_xsmp_set_restart_command;
-    sm_client_class->will_quit           = sm_client_xsmp_will_quit;
-    sm_client_class->end_session         = sm_client_xsmp_end_session;
-}
-
-EggSMClient *
-egg_sm_client_xsmp_new (void)
-{
-    if (!g_getenv ("SESSION_MANAGER"))
-        return NULL;
-
-    return g_object_new (EGG_TYPE_SM_CLIENT_XSMP, NULL);
-}
-
-static gboolean
-sm_client_xsmp_set_initial_properties (gpointer user_data)
-{
-    EggSMClientXSMP *xsmp = user_data;
-    EggDesktopFile *desktop_file;
-    GPtrArray *clone, *restart;
-    char pid_str[64];
-
-    if (xsmp->idle)
-    {
-        g_source_remove (xsmp->idle);
-        xsmp->idle = 0;
-    }
-    xsmp->waiting_to_set_initial_properties = FALSE;
-
-    if (egg_sm_client_get_mode () == EGG_SM_CLIENT_MODE_NO_RESTART)
-        xsmp->restart_style = SmRestartNever;
-
-    /* Parse info out of desktop file */
-    desktop_file = egg_get_desktop_file ();
-    if (desktop_file)
-    {
-        GError *err = NULL;
-        char **argv;
-        int argc;
-
-        if (xsmp->restart_style == SmRestartIfRunning)
-        {
-            if (egg_desktop_file_get_boolean (desktop_file,
-                                              "X-MATE-AutoRestart", NULL))
-                xsmp->restart_style = SmRestartImmediately;
-        }
-
-        if (!xsmp->set_restart_command)
-        {
-            char *cmdline;
-
-            cmdline = egg_desktop_file_parse_exec (desktop_file, NULL, &err);
-            if (cmdline && g_shell_parse_argv (cmdline, &argc, &argv, &err))
-            {
-                egg_sm_client_set_restart_command (EGG_SM_CLIENT (xsmp),
-                                                   argc, (const char **)argv);
-                g_strfreev (argv);
-            }
-            else
-            {
-                g_warning ("Could not parse Exec line in desktop file: %s",
-                           err->message);
-                g_error_free (err);
-            }
-            g_free (cmdline);
-        }
-    }
-
-    if (!xsmp->set_restart_command)
-        xsmp->restart_command = g_strsplit (g_get_prgname (), " ", -1);
-
-    clone = generate_command (xsmp->restart_command, NULL, NULL);
-    restart = generate_command (xsmp->restart_command, xsmp->client_id, NULL);
-
-    g_debug ("Setting initial properties");
-
-    /* Program, CloneCommand, RestartCommand, and UserID are required.
-     * ProcessID isn't required, but the SM may be able to do something
-     * useful with it.
-     */
-    g_snprintf (pid_str, sizeof (pid_str), "%lu", (gulong) getpid ());
-    set_properties (xsmp,
-                    string_prop   (SmProgram, g_get_prgname ()),
-                    ptrarray_prop (SmCloneCommand, clone),
-                    ptrarray_prop (SmRestartCommand, restart),
-                    string_prop   (SmUserID, g_get_user_name ()),
-                    string_prop   (SmProcessID, pid_str),
-                    card8_prop    (SmRestartStyleHint, xsmp->restart_style),
-                    NULL);
-    g_ptr_array_free (clone, TRUE);
-    g_ptr_array_free (restart, TRUE);
-
-    if (desktop_file)
-    {
-        set_properties (xsmp,
-                        string_prop ("_GSM_DesktopFile", egg_desktop_file_get_source (desktop_file)),
-                        NULL);
-    }
-
-    update_pending_events (xsmp);
-    return FALSE;
-}
-
-/* This gets called from two different places: xsmp_die() (when the
- * server asks us to disconnect) and process_ice_messages() (when the
- * server disconnects unexpectedly).
- */
-static void
-sm_client_xsmp_disconnect (EggSMClientXSMP *xsmp)
-{
-    SmcConn connection;
-
-    if (!xsmp->connection)
-        return;
-
-    g_debug ("Disconnecting");
-
-    connection = xsmp->connection;
-    xsmp->connection = NULL;
-    SmcCloseConnection (connection, 0, NULL);
-    xsmp->state = XSMP_STATE_CONNECTION_CLOSED;
-
-    xsmp->waiting_to_save_myself = FALSE;
-    update_pending_events (xsmp);
-}
-
-static void
-sm_client_xsmp_startup (EggSMClient *client,
-                        const char  *client_id)
-{
-    EggSMClientXSMP *xsmp = (EggSMClientXSMP *)client;
-    SmcCallbacks callbacks;
-    char *ret_client_id;
-    char error_string_ret[256];
-
-    xsmp->client_id = g_strdup (client_id);
-
-    ice_init ();
-    SmcSetErrorHandler (smc_error_handler);
-
-    callbacks.save_yourself.callback      = xsmp_save_yourself;
-    callbacks.die.callback                = xsmp_die;
-    callbacks.save_complete.callback      = xsmp_save_complete;
-    callbacks.shutdown_cancelled.callback = xsmp_shutdown_cancelled;
-
-    callbacks.save_yourself.client_data      = xsmp;
-    callbacks.die.client_data                = xsmp;
-    callbacks.save_complete.client_data      = xsmp;
-    callbacks.shutdown_cancelled.client_data = xsmp;
-
-    client_id = NULL;
-    error_string_ret[0] = '\0';
-    xsmp->connection =
-        SmcOpenConnection (NULL, xsmp, SmProtoMajor, SmProtoMinor,
-                           SmcSaveYourselfProcMask | SmcDieProcMask |
-                           SmcSaveCompleteProcMask |
-                           SmcShutdownCancelledProcMask,
-                           &callbacks,
-                           xsmp->client_id, &ret_client_id,
-                           sizeof (error_string_ret), error_string_ret);
-
-    if (!xsmp->connection)
-    {
-        g_warning ("Failed to connect to the session manager: %s\n",
-                   error_string_ret[0] ?
-                   error_string_ret : "no error message given");
-        xsmp->state = XSMP_STATE_CONNECTION_CLOSED;
-        return;
-    }
-
-    /* We expect a pointless initial SaveYourself if either (a) we
-     * didn't have an initial client ID, or (b) we DID have an initial
-     * client ID, but the server rejected it and gave us a new one.
-     */
-    if (!xsmp->client_id ||
-            (ret_client_id && strcmp (xsmp->client_id, ret_client_id) != 0))
-        xsmp->expecting_initial_save_yourself = TRUE;
-
-    if (ret_client_id)
-    {
-        g_free (xsmp->client_id);
-        xsmp->client_id = g_strdup (ret_client_id);
-        free (ret_client_id);
-
-        gdk_x11_set_sm_client_id (xsmp->client_id);
-
-        g_debug ("Got client ID \"%s\"", xsmp->client_id);
-    }
-
-    xsmp->state = XSMP_STATE_IDLE;
-
-    /* Do not set the initial properties until we reach the main loop,
-     * so that the application has a chance to call
-     * egg_set_desktop_file(). (This may also help the session manager
-     * have a better idea of when the application is fully up and
-     * running.)
-     */
-    xsmp->waiting_to_set_initial_properties = TRUE;
-    xsmp->idle = g_idle_add (sm_client_xsmp_set_initial_properties, client);
-}
-
-static void
-sm_client_xsmp_set_restart_command (EggSMClient  *client,
-                                    int           argc,
-                                    const char  **argv)
-{
-    EggSMClientXSMP *xsmp = (EggSMClientXSMP *)client;
-    int i;
-
-    g_strfreev (xsmp->restart_command);
-
-    xsmp->restart_command = g_new (char *, argc + 1);
-    for (i = 0; i < argc; i++)
-        xsmp->restart_command[i] = g_strdup (argv[i]);
-    xsmp->restart_command[i] = NULL;
-
-    xsmp->set_restart_command = TRUE;
-}
-
-static void
-sm_client_xsmp_will_quit (EggSMClient *client,
-                          gboolean     will_quit)
-{
-    EggSMClientXSMP *xsmp = (EggSMClientXSMP *)client;
-
-    if (xsmp->state == XSMP_STATE_CONNECTION_CLOSED)
-    {
-        /* The session manager has already exited! Schedule a quit
-         * signal.
-         */
-        xsmp->waiting_to_emit_quit = TRUE;
-        update_pending_events (xsmp);
-        return;
-    }
-    else if (xsmp->state == XSMP_STATE_SHUTDOWN_CANCELLED)
-    {
-        /* We received a ShutdownCancelled message while the application
-         * was interacting; Schedule a quit_cancelled signal.
-         */
-        xsmp->waiting_to_emit_quit_cancelled = TRUE;
-        update_pending_events (xsmp);
-        return;
-    }
-
-    g_return_if_fail (xsmp->state == XSMP_STATE_INTERACT);
-
-    g_debug ("Sending InteractDone(%s)", will_quit ? "False" : "True");
-    SmcInteractDone (xsmp->connection, !will_quit);
-
-    if (will_quit && xsmp->need_save_state)
-        save_state (xsmp);
-
-    g_debug ("Sending SaveYourselfDone(%s)", will_quit ? "True" : "False");
-    SmcSaveYourselfDone (xsmp->connection, will_quit);
-    xsmp->state = XSMP_STATE_SAVE_YOURSELF_DONE;
-}
-
-static gboolean
-sm_client_xsmp_end_session (EggSMClient         *client,
-                            EggSMClientEndStyle  style,
-                            gboolean             request_confirmation)
-{
-    EggSMClientXSMP *xsmp = (EggSMClientXSMP *)client;
-    int save_type;
-
-    /* To end the session via XSMP, we have to send a
-     * SaveYourselfRequest. We aren't allowed to do that if anything
-     * else is going on, but we don't want to expose this fact to the
-     * application. So we do our best to patch things up here...
-     *
-     * In the worst case, this method might block for some length of
-     * time in process_ice_messages, but the only time that code path is
-     * honestly likely to get hit is if the application tries to end the
-     * session as the very first thing it does, in which case it
-     * probably won't actually block anyway. It's not worth gunking up
-     * the API to try to deal nicely with the other 0.01% of cases where
-     * this happens.
-     */
-
-    while (xsmp->state != XSMP_STATE_IDLE ||
-            xsmp->expecting_initial_save_yourself)
-    {
-        /* If we're already shutting down, we don't need to do anything. */
-        if (xsmp->shutting_down)
-            return TRUE;
-
-        switch (xsmp->state)
-        {
-        case XSMP_STATE_CONNECTION_CLOSED:
-            return FALSE;
-
-        case XSMP_STATE_SAVE_YOURSELF:
-            /* Trying to log out from the save_state callback? Whatever.
-             * Abort the save_state.
-             */
-            SmcSaveYourselfDone (xsmp->connection, FALSE);
-            xsmp->state = XSMP_STATE_SAVE_YOURSELF_DONE;
-            break;
-
-        case XSMP_STATE_INTERACT_REQUEST:
-        case XSMP_STATE_INTERACT:
-        case XSMP_STATE_SHUTDOWN_CANCELLED:
-            /* Already in a shutdown-related state, just ignore
-             * the new shutdown request...
-             */
-            return TRUE;
-
-        case XSMP_STATE_IDLE:
-            if (xsmp->waiting_to_set_initial_properties)
-                sm_client_xsmp_set_initial_properties (xsmp);
-
-            if (!xsmp->expecting_initial_save_yourself)
-                break;
-            /* else fall through */
-
-        case XSMP_STATE_SAVE_YOURSELF_DONE:
-            /* We need to wait for some response from the server.*/
-            process_ice_messages (SmcGetIceConnection (xsmp->connection));
-            break;
-
-        default:
-            /* Hm... shouldn't happen */
-            return FALSE;
-        }
-    }
-
-    /* xfce4-session will do the wrong thing if we pass SmSaveGlobal and
-     * the user chooses to save the session. But mate-session will do
-     * the wrong thing if we pass SmSaveBoth and the user chooses NOT to
-     * save the session... Sigh.
-     */
-    if (!strcmp (SmcVendor (xsmp->connection), "xfce4-session"))
-        save_type = SmSaveBoth;
-    else
-        save_type = SmSaveGlobal;
-
-    g_debug ("Sending SaveYourselfRequest(SmSaveGlobal, Shutdown, SmInteractStyleAny, %sFast)", request_confirmation ? "!" : "");
-    SmcRequestSaveYourself (xsmp->connection,
-                            save_type,
-                            True, /* shutdown */
-                            SmInteractStyleAny,
-                            !request_confirmation, /* fast */
-                            True /* global */);
-    return TRUE;
-}
-
-static gboolean
-idle_do_pending_events (gpointer data)
-{
-    EggSMClientXSMP *xsmp = data;
-    EggSMClient *client = data;
-
-    xsmp->idle = 0;
-
-    if (xsmp->waiting_to_emit_quit)
-    {
-        xsmp->waiting_to_emit_quit = FALSE;
-        egg_sm_client_quit (client);
-        goto out;
-    }
-
-    if (xsmp->waiting_to_emit_quit_cancelled)
-    {
-        xsmp->waiting_to_emit_quit_cancelled = FALSE;
-        egg_sm_client_quit_cancelled (client);
-        xsmp->state = XSMP_STATE_IDLE;
-    }
-
-    if (xsmp->waiting_to_save_myself)
-    {
-        xsmp->waiting_to_save_myself = FALSE;
-        do_save_yourself (xsmp);
-    }
-
-out:
-    return FALSE;
-}
-
-static void
-update_pending_events (EggSMClientXSMP *xsmp)
-{
-    gboolean want_idle =
-        xsmp->waiting_to_emit_quit ||
-        xsmp->waiting_to_emit_quit_cancelled ||
-        xsmp->waiting_to_save_myself;
-
-    if (want_idle)
-    {
-        if (xsmp->idle == 0)
-            xsmp->idle = g_idle_add (idle_do_pending_events, xsmp);
-    }
-    else
-    {
-        if (xsmp->idle != 0)
-            g_source_remove (xsmp->idle);
-        xsmp->idle = 0;
-    }
-}
-
-static void
-fix_broken_state (EggSMClientXSMP *xsmp, const char *message,
-                  gboolean send_interact_done,
-                  gboolean send_save_yourself_done)
-{
-    g_warning ("Received XSMP %s message in state %s: client or server error",
-               message, EGG_SM_CLIENT_XSMP_STATE (xsmp));
-
-    /* Forget any pending SaveYourself plans we had */
-    xsmp->waiting_to_save_myself = FALSE;
-    update_pending_events (xsmp);
-
-    if (send_interact_done)
-        SmcInteractDone (xsmp->connection, False);
-    if (send_save_yourself_done)
-        SmcSaveYourselfDone (xsmp->connection, True);
-
-    xsmp->state = send_save_yourself_done ? XSMP_STATE_SAVE_YOURSELF_DONE : XSMP_STATE_IDLE;
-}
-
-/* SM callbacks */
-
-static void
-xsmp_save_yourself (SmcConn   smc_conn,
-                    SmPointer client_data,
-                    int       save_type,
-                    Bool      shutdown,
-                    int       interact_style,
-                    Bool      fast)
-{
-    EggSMClientXSMP *xsmp = client_data;
-    gboolean wants_quit_requested;
-
-    g_debug ("Received SaveYourself(%s, %s, %s, %s) in state %s",
-             save_type == SmSaveLocal ? "SmSaveLocal" :
-             save_type == SmSaveGlobal ? "SmSaveGlobal" : "SmSaveBoth",
-             shutdown ? "Shutdown" : "!Shutdown",
-             interact_style == SmInteractStyleAny ? "SmInteractStyleAny" :
-             interact_style == SmInteractStyleErrors ? "SmInteractStyleErrors" :
-             "SmInteractStyleNone", fast ? "Fast" : "!Fast",
-             EGG_SM_CLIENT_XSMP_STATE (xsmp));
-
-    if (xsmp->state != XSMP_STATE_IDLE &&
-            xsmp->state != XSMP_STATE_SHUTDOWN_CANCELLED)
-    {
-        fix_broken_state (xsmp, "SaveYourself", FALSE, TRUE);
-        return;
-    }
-
-    if (xsmp->waiting_to_set_initial_properties)
-        sm_client_xsmp_set_initial_properties (xsmp);
-
-    /* If this is the initial SaveYourself, ignore it; we've already set
-     * properties and there's no reason to actually save state too.
-     */
-    if (xsmp->expecting_initial_save_yourself)
-    {
-        xsmp->expecting_initial_save_yourself = FALSE;
-
-        if (save_type == SmSaveLocal &&
-                interact_style == SmInteractStyleNone &&
-                !shutdown && !fast)
-        {
-            g_debug ("Sending SaveYourselfDone(True) for initial SaveYourself");
-            SmcSaveYourselfDone (xsmp->connection, True);
-            /* As explained in the comment at the end of
-             * do_save_yourself(), SAVE_YOURSELF_DONE is the correct
-             * state here, not IDLE.
-             */
-            xsmp->state = XSMP_STATE_SAVE_YOURSELF_DONE;
-            return;
-        }
-        else
-            g_warning ("First SaveYourself was not the expected one!");
-    }
-
-    /* Even ignoring the "fast" flag completely, there are still 18
-     * different combinations of save_type, shutdown and interact_style.
-     * We interpret them as follows:
-     *
-     *   Type  Shutdown  Interact	 Interpretation
-     *     G      F       A/E/N  	 do nothing (1)
-     *     G      T         N    	 do nothing (1)*
-     *     G      T        A/E   	 quit_requested (2)
-     *    L/B     F       A/E/N  	 save_state (3)
-     *    L/B     T         N    	 save_state (3)*
-     *    L/B     T        A/E   	 quit_requested, then save_state (4)
-     *
-     *   1. Do nothing, because the SM asked us to do something
-     *      uninteresting (save open files, but then don't quit
-     *      afterward) or rude (save open files without asking the user
-     *      for confirmation).
-     *
-     *   2. Request interaction and then emit ::quit_requested. This
-     *      perhaps isn't quite correct for the SmInteractStyleErrors
-     *      case, but we don't care.
-     *
-     *   3. Emit ::save_state. The SmSaveBoth SaveYourselfs in these
-     *      rows essentially get demoted to SmSaveLocal, because their
-     *      Global halves correspond to "do nothing".
-     *
-     *   4. Request interaction, emit ::quit_requested, and then emit
-     *      ::save_state after interacting. This is the SmSaveBoth
-     *      equivalent of #2, but we also promote SmSaveLocal shutdown
-     *      SaveYourselfs to SmSaveBoth here, because we want to give
-     *      the user a chance to save open files before quitting.
-     *
-     * (* It would be nice if we could do something useful when the
-     * session manager sends a SaveYourself with shutdown True and
-     * SmInteractStyleNone. But we can't, so we just pretend it didn't
-     * even tell us it was shutting down. The docs for ::quit mention
-     * that it might not always be preceded by ::quit_requested.)
-     */
-
-    /* As an optimization, we don't actually request interaction and
-     * emit ::quit_requested if the application isn't listening to the
-     * signal.
-     */
-    wants_quit_requested = g_signal_has_handler_pending (xsmp, g_signal_lookup ("quit_requested", EGG_TYPE_SM_CLIENT), 0, FALSE);
-
-    xsmp->need_save_state     = (save_type != SmSaveGlobal);
-    xsmp->need_quit_requested = (shutdown && wants_quit_requested &&
-                                 interact_style != SmInteractStyleNone);
-    xsmp->interact_errors     = (interact_style == SmInteractStyleErrors);
-
-    xsmp->shutting_down       = shutdown;
-
-    do_save_yourself (xsmp);
-}
-
-static void
-do_save_yourself (EggSMClientXSMP *xsmp)
-{
-    if (xsmp->state == XSMP_STATE_SHUTDOWN_CANCELLED)
-    {
-        /* The SM cancelled a previous SaveYourself, but we haven't yet
-         * had a chance to tell the application, so we can't start
-         * processing this SaveYourself yet.
-         */
-        xsmp->waiting_to_save_myself = TRUE;
-        update_pending_events (xsmp);
-        return;
-    }
-
-    if (xsmp->need_quit_requested)
-    {
-        xsmp->state = XSMP_STATE_INTERACT_REQUEST;
-
-        g_debug ("Sending InteractRequest(%s)",
-                 xsmp->interact_errors ? "Error" : "Normal");
-        SmcInteractRequest (xsmp->connection,
-                            xsmp->interact_errors ? SmDialogError : SmDialogNormal,
-                            xsmp_interact,
-                            xsmp);
-        return;
-    }
-
-    if (xsmp->need_save_state)
-    {
-        save_state (xsmp);
-
-        /* Though unlikely, the client could have been disconnected
-         * while the application was saving its state.
-         */
-        if (!xsmp->connection)
-            return;
-    }
-
-    g_debug ("Sending SaveYourselfDone(True)");
-    SmcSaveYourselfDone (xsmp->connection, True);
-
-    /* The client state diagram in the XSMP spec says that after a
-     * non-shutdown SaveYourself, we go directly back to "idle". But
-     * everything else in both the XSMP spec and the libSM docs
-     * disagrees.
-     */
-    xsmp->state = XSMP_STATE_SAVE_YOURSELF_DONE;
-}
-
-static void
-save_state (EggSMClientXSMP *xsmp)
-{
-    GKeyFile *state_file;
-    char *state_file_path, *data;
-    EggDesktopFile *desktop_file;
-    GPtrArray *restart;
-    int offset;
-
-    /* We set xsmp->state before emitting save_state, but our caller is
-     * responsible for setting it back afterward.
-     */
-    xsmp->state = XSMP_STATE_SAVE_YOURSELF;
-
-    state_file = egg_sm_client_save_state ((EggSMClient *)xsmp);
-    if (!state_file)
-    {
-        restart = generate_command (xsmp->restart_command, xsmp->client_id, NULL);
-        set_properties (xsmp,
-                        ptrarray_prop (SmRestartCommand, restart),
-                        NULL);
-        g_ptr_array_free (restart, TRUE);
-        delete_properties (xsmp, SmDiscardCommand, NULL);
-        return;
-    }
-
-    desktop_file = egg_get_desktop_file ();
-    if (desktop_file)
-    {
-        GKeyFile *merged_file;
-        char *desktop_file_path;
-
-        merged_file = g_key_file_new ();
-        desktop_file_path =
-            g_filename_from_uri (egg_desktop_file_get_source (desktop_file),
-                                 NULL, NULL);
-        if (desktop_file_path &&
-                g_key_file_load_from_file (merged_file, desktop_file_path,
-                                           G_KEY_FILE_KEEP_COMMENTS |
-                                           G_KEY_FILE_KEEP_TRANSLATIONS, NULL))
-        {
-            guint g, k, i;
-            char **groups, *value, *exec;
-
-            groups = g_key_file_get_groups (state_file, NULL);
-            for (g = 0; groups[g]; g++)
-            {
-                char **keys;
-
-                keys = g_key_file_get_keys (state_file, groups[g], NULL, NULL);
-                for (k = 0; keys[k]; k++)
-                {
-                    value = g_key_file_get_value (state_file, groups[g],
-                                                  keys[k], NULL);
-                    if (value)
-                    {
-                        g_key_file_set_value (merged_file, groups[g],
-                                              keys[k], value);
-                        g_free (value);
-                    }
-                }
-                g_strfreev (keys);
-            }
-            g_strfreev (groups);
-
-            g_key_file_free (state_file);
-            state_file = merged_file;
-
-            /* Update Exec key using "--sm-client-state-file %k" */
-            restart = generate_command (xsmp->restart_command,
-                                        NULL, "%k");
-            for (i = 0; i < restart->len; i++)
-                restart->pdata[i] = g_shell_quote (restart->pdata[i]);
-            g_ptr_array_add (restart, NULL);
-            exec = g_strjoinv (" ", (char **)restart->pdata);
-            g_strfreev ((char **)restart->pdata);
-            g_ptr_array_free (restart, FALSE);
-
-            g_key_file_set_string (state_file, EGG_DESKTOP_FILE_GROUP,
-                                   EGG_DESKTOP_FILE_KEY_EXEC,
-                                   exec);
-            g_free (exec);
-        }
-        else
-            desktop_file = NULL;
-
-        g_free (desktop_file_path);
-    }
-
-    /* Now write state_file to disk. (We can't use mktemp(), because
-     * that requires the filename to end with "XXXXXX", and we want
-     * it to end with ".desktop".)
-     */
-
-    data = g_key_file_to_data (state_file, NULL, NULL);
-    g_key_file_free (state_file);
-
-    offset = 0;
-    while (1)
-    {
-        int fd;
-
-        state_file_path = g_strdup_printf ("%s%csession-state%c%s-%ld.%s",
-                                           g_get_user_config_dir (),
-                                           G_DIR_SEPARATOR, G_DIR_SEPARATOR,
-                                           g_get_prgname (),
-                                           (long)time (NULL) + offset,
-                                           desktop_file ? "desktop" : "state");
-
-        fd = open (state_file_path, O_WRONLY | O_CREAT | O_EXCL, 0644);
-        if (fd == -1)
-        {
-            if (errno == EEXIST)
-            {
-                offset++;
-                g_free (state_file_path);
-                continue;
-            }
-            else if (errno == ENOTDIR || errno == ENOENT)
-            {
-                char *sep = strrchr (state_file_path, G_DIR_SEPARATOR);
-
-                *sep = '\0';
-                if (g_mkdir_with_parents (state_file_path, 0755) != 0)
-                {
-                    g_warning ("Could not create directory '%s'",
-                               state_file_path);
-                    g_free (state_file_path);
-                    state_file_path = NULL;
-                    break;
-                }
-
-                continue;
-            }
-
-            g_warning ("Could not create file '%s': %s",
-                       state_file_path, g_strerror (errno));
-            g_free (state_file_path);
-            state_file_path = NULL;
-            break;
-        }
-
-        close (fd);
-        g_file_set_contents (state_file_path, data, -1, NULL);
-        break;
-    }
-    g_free (data);
-
-    restart = generate_command (xsmp->restart_command, xsmp->client_id,
-                                state_file_path);
-    set_properties (xsmp,
-                    ptrarray_prop (SmRestartCommand, restart),
-                    NULL);
-    g_ptr_array_free (restart, TRUE);
-
-    if (state_file_path)
-    {
-        set_properties (xsmp,
-                        array_prop (SmDiscardCommand,
-                                    "/bin/rm", "-rf", state_file_path,
-                                    NULL),
-                        NULL);
-        g_free (state_file_path);
-    }
-}
-
-static void
-xsmp_interact (SmcConn   smc_conn,
-               SmPointer client_data)
-{
-    EggSMClientXSMP *xsmp = client_data;
-    EggSMClient *client = client_data;
-
-    g_debug ("Received Interact message in state %s",
-             EGG_SM_CLIENT_XSMP_STATE (xsmp));
-
-    if (xsmp->state != XSMP_STATE_INTERACT_REQUEST)
-    {
-        fix_broken_state (xsmp, "Interact", TRUE, TRUE);
-        return;
-    }
-
-    xsmp->state = XSMP_STATE_INTERACT;
-    egg_sm_client_quit_requested (client);
-}
-
-static void
-xsmp_die (SmcConn   smc_conn,
-          SmPointer client_data)
-{
-    EggSMClientXSMP *xsmp = client_data;
-    EggSMClient *client = client_data;
-
-    g_debug ("Received Die message in state %s",
-             EGG_SM_CLIENT_XSMP_STATE (xsmp));
-
-    sm_client_xsmp_disconnect (xsmp);
-    egg_sm_client_quit (client);
-}
-
-static void
-xsmp_save_complete (SmcConn   smc_conn,
-                    SmPointer client_data)
-{
-    EggSMClientXSMP *xsmp = client_data;
-
-    g_debug ("Received SaveComplete message in state %s",
-             EGG_SM_CLIENT_XSMP_STATE (xsmp));
-
-    if (xsmp->state == XSMP_STATE_SAVE_YOURSELF_DONE)
-        xsmp->state = XSMP_STATE_IDLE;
-    else
-        fix_broken_state (xsmp, "SaveComplete", FALSE, FALSE);
-}
-
-static void
-xsmp_shutdown_cancelled (SmcConn   smc_conn,
-                         SmPointer client_data)
-{
-    EggSMClientXSMP *xsmp = client_data;
-    EggSMClient *client = client_data;
-
-    g_debug ("Received ShutdownCancelled message in state %s",
-             EGG_SM_CLIENT_XSMP_STATE (xsmp));
-
-    xsmp->shutting_down = FALSE;
-
-    if (xsmp->state == XSMP_STATE_SAVE_YOURSELF_DONE)
-    {
-        /* We've finished interacting and now the SM has agreed to
-         * cancel the shutdown.
-         */
-        xsmp->state = XSMP_STATE_IDLE;
-        egg_sm_client_quit_cancelled (client);
-    }
-    else if (xsmp->state == XSMP_STATE_SHUTDOWN_CANCELLED)
-    {
-        /* Hm... ok, so we got a shutdown SaveYourself, which got
-         * cancelled, but the application was still interacting, so we
-         * didn't tell it yet, and then *another* SaveYourself arrived,
-         * which we must still be waiting to tell the app about, except
-         * that now that SaveYourself has been cancelled too! Dizzy yet?
-         */
-        xsmp->waiting_to_save_myself = FALSE;
-        update_pending_events (xsmp);
-    }
-    else
-    {
-        g_debug ("Sending SaveYourselfDone(False)");
-        SmcSaveYourselfDone (xsmp->connection, False);
-
-        if (xsmp->state == XSMP_STATE_INTERACT)
-        {
-            /* The application is currently interacting, so we can't
-             * tell it about the cancellation yet; we will wait until
-             * after it calls egg_sm_client_will_quit().
-             */
-            xsmp->state = XSMP_STATE_SHUTDOWN_CANCELLED;
-        }
-        else
-        {
-            /* The shutdown was cancelled before the application got a
-             * chance to interact.
-             */
-            xsmp->state = XSMP_STATE_IDLE;
-        }
-    }
-}
-
-/* Utilities */
-
-/* Create a restart/clone/Exec command based on @restart_command.
- * If @client_id is non-%NULL, add "--sm-client-id @client_id".
- * If @state_file is non-%NULL, add "--sm-client-state-file @state_file".
- *
- * None of the input strings are g_strdup()ed; the caller must keep
- * them around until it is done with the returned GPtrArray, and must
- * then free the array, but not its contents.
- */
-static GPtrArray *
-generate_command (char **restart_command, const char *client_id,
-                  const char *state_file)
-{
-    GPtrArray *cmd;
-    int i;
-
-    cmd = g_ptr_array_new ();
-    g_ptr_array_add (cmd, restart_command[0]);
-
-    if (client_id)
-    {
-        g_ptr_array_add (cmd, "--sm-client-id");
-        g_ptr_array_add (cmd, (char *)client_id);
-    }
-
-    if (state_file)
-    {
-        g_ptr_array_add (cmd, "--sm-client-state-file");
-        g_ptr_array_add (cmd, (char *)state_file);
-    }
-
-    for (i = 1; restart_command[i]; i++)
-        g_ptr_array_add (cmd, restart_command[i]);
-
-    return cmd;
-}
-
-/* Takes a NULL-terminated list of SmProp * values, created by
- * array_prop, ptrarray_prop, string_prop, card8_prop, sets them, and
- * frees them.
- */
-static void
-set_properties (EggSMClientXSMP *xsmp, ...)
-{
-    GPtrArray *props;
-    SmProp *prop;
-    va_list ap;
-    guint i;
-
-    props = g_ptr_array_new ();
-
-    va_start (ap, xsmp);
-    while ((prop = va_arg (ap, SmProp *)))
-        g_ptr_array_add (props, prop);
-    va_end (ap);
-
-    if (xsmp->connection)
-    {
-        SmcSetProperties (xsmp->connection, props->len,
-                          (SmProp **)props->pdata);
-    }
-
-    for (i = 0; i < props->len; i++)
-    {
-        prop = props->pdata[i];
-        g_free (prop->vals);
-        g_free (prop);
-    }
-    g_ptr_array_free (props, TRUE);
-}
-
-/* Takes a NULL-terminated list of property names and deletes them. */
-static void
-delete_properties (EggSMClientXSMP *xsmp, ...)
-{
-    GPtrArray *props;
-    char *prop;
-    va_list ap;
-
-    if (!xsmp->connection)
-        return;
-
-    props = g_ptr_array_new ();
-
-    va_start (ap, xsmp);
-    while ((prop = va_arg (ap, char *)))
-        g_ptr_array_add (props, prop);
-    va_end (ap);
-
-    SmcDeleteProperties (xsmp->connection, props->len,
-                         (char **)props->pdata);
-
-    g_ptr_array_free (props, TRUE);
-}
-
-/* Takes an array of strings and creates a LISTofARRAY8 property. The
- * strings are neither dupped nor freed; they need to remain valid
- * until you're done with the SmProp.
- */
-static SmProp *
-array_prop (const char *name, ...)
-{
-    SmProp *prop;
-    SmPropValue pv;
-    GArray *vals;
-    char *value;
-    va_list ap;
-
-    prop = g_new (SmProp, 1);
-    prop->name = (char *)name;
-    prop->type = SmLISTofARRAY8;
-
-    vals = g_array_new (FALSE, FALSE, sizeof (SmPropValue));
-
-    va_start (ap, name);
-    while ((value = va_arg (ap, char *)))
-    {
-        pv.length = strlen (value);
-        pv.value = value;
-        g_array_append_val (vals, pv);
-    }
-    va_end (ap);
-
-    prop->num_vals = vals->len;
-    prop->vals = (SmPropValue *) (gpointer) vals->data;
-
-    g_array_free (vals, FALSE);
-
-    return prop;
-}
-
-/* Takes a GPtrArray of strings and creates a LISTofARRAY8 property.
- * The array contents are neither dupped nor freed; they need to
- * remain valid until you're done with the SmProp.
- */
-static SmProp *
-ptrarray_prop (const char *name, GPtrArray *values)
-{
-    SmProp *prop;
-    SmPropValue pv;
-    GArray *vals;
-    guint i;
-
-    prop = g_new (SmProp, 1);
-    prop->name = (char *)name;
-    prop->type = SmLISTofARRAY8;
-
-    vals = g_array_new (FALSE, FALSE, sizeof (SmPropValue));
-
-    for (i = 0; i < values->len; i++)
-    {
-        pv.length = strlen (values->pdata[i]);
-        pv.value = values->pdata[i];
-        g_array_append_val (vals, pv);
-    }
-
-    prop->num_vals = vals->len;
-    prop->vals = (SmPropValue *) (gpointer) vals->data;
-
-    g_array_free (vals, FALSE);
-
-    return prop;
-}
-
-/* Takes a string and creates an ARRAY8 property. The string is
- * neither dupped nor freed; it needs to remain valid until you're
- * done with the SmProp.
- */
-static SmProp *
-string_prop (const char *name, const char *value)
-{
-    SmProp *prop;
-
-    prop = g_new (SmProp, 1);
-    prop->name = (char *)name;
-    prop->type = SmARRAY8;
-
-    prop->num_vals = 1;
-    prop->vals = g_new (SmPropValue, 1);
-
-    prop->vals[0].length = strlen (value);
-    prop->vals[0].value = (char *)value;
-
-    return prop;
-}
-
-/* Takes a char and creates a CARD8 property. */
-static SmProp *
-card8_prop (const char *name, unsigned char value)
-{
-    SmProp *prop;
-    char *card8val;
-
-    /* To avoid having to allocate and free prop->vals[0], we cheat and
-     * make vals a 2-element-long array and then use the second element
-     * to store value.
-     */
-
-    prop = g_new (SmProp, 1);
-    prop->name = (char *)name;
-    prop->type = SmCARD8;
-
-    prop->num_vals = 1;
-    prop->vals = g_new (SmPropValue, 2);
-    card8val = (char *)(&prop->vals[1]);
-    card8val[0] = value;
-
-    prop->vals[0].length = 1;
-    prop->vals[0].value = card8val;
-
-    return prop;
-}
-
-/* ICE code. This makes no effort to play nice with anyone else trying
- * to use libICE. Fortunately, no one uses libICE for anything other
- * than SM. (DCOP uses ICE, but it has its own private copy of
- * libICE.)
- *
- * When this moves to gtk, it will need to be cleverer, to avoid
- * tripping over old apps that use MateClient or that use libSM
- * directly.
- */
-
-#include <X11/ICE/ICElib.h>
-#include <fcntl.h>
-
-static void        ice_error_handler    (IceConn        ice_conn,
-        Bool           swap,
-        int            offending_minor_opcode,
-        unsigned long  offending_sequence,
-        int            error_class,
-        int            severity,
-        IcePointer     values);
-static void        ice_io_error_handler (IceConn        ice_conn);
-static void        ice_connection_watch (IceConn        ice_conn,
-        IcePointer     client_data,
-        Bool           opening,
-        IcePointer    *watch_data);
-
-static void
-ice_init (void)
-{
-    IceSetIOErrorHandler (ice_io_error_handler);
-    IceSetErrorHandler (ice_error_handler);
-    IceAddConnectionWatch (ice_connection_watch, NULL);
-}
-
-static gboolean
-process_ice_messages (IceConn ice_conn)
-{
-    IceProcessMessagesStatus status;
-    status = IceProcessMessages (ice_conn, NULL, NULL);
-
-    switch (status)
-    {
-    case IceProcessMessagesSuccess:
-        return TRUE;
-
-    case IceProcessMessagesIOError:
-        sm_client_xsmp_disconnect (IceGetConnectionContext (ice_conn));
-        return FALSE;
-
-    case IceProcessMessagesConnectionClosed:
-        return FALSE;
-
-    default:
-        g_assert_not_reached ();
-    }
-}
-
-static gboolean
-ice_iochannel_watch (GIOChannel   *channel,
-                     GIOCondition  condition,
-                     gpointer      client_data)
-{
-    return process_ice_messages (client_data);
-}
-
-static void
-ice_connection_watch (IceConn     ice_conn,
-                      IcePointer  client_data,
-                      Bool        opening,
-                      IcePointer *watch_data)
-{
-    guint watch_id;
-
-    if (opening)
-    {
-        GIOChannel *channel;
-        int fd = IceConnectionNumber (ice_conn);
-
-        fcntl (fd, F_SETFD, fcntl (fd, F_GETFD, 0) | FD_CLOEXEC);
-        channel = g_io_channel_unix_new (fd);
-        watch_id = g_io_add_watch (channel, G_IO_IN | G_IO_ERR,
-                                   ice_iochannel_watch, ice_conn);
-        g_io_channel_unref (channel);
-
-        *watch_data = GUINT_TO_POINTER (watch_id);
-    }
-    else
-    {
-        watch_id = GPOINTER_TO_UINT (*watch_data);
-        g_source_remove (watch_id);
-    }
-}
-
-static void
-ice_error_handler (IceConn       ice_conn,
-                   Bool          swap,
-                   int           offending_minor_opcode,
-                   unsigned long offending_sequence,
-                   int           error_class,
-                   int           severity,
-                   IcePointer    values)
-{
-    /* Do nothing */
-}
-
-static void
-ice_io_error_handler (IceConn ice_conn)
-{
-    /* Do nothing */
-}
-
-static void
-smc_error_handler (SmcConn       smc_conn,
-                   Bool          swap,
-                   int           offending_minor_opcode,
-                   unsigned long offending_sequence,
-                   int           error_class,
-                   int           severity,
-                   SmPointer     values)
-{
-    /* Do nothing */
-}