...
This commit is contained in:
rhp
parent
67d9ca1d9f
commit
043b048c55
4 changed files with 586 additions and 12 deletions
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@ -9,3 +9,4 @@
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#undef GETTEXT_PACKAGE
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#undef HAVE_SHAPE_EXT
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#undef HAVE_XFT
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#undef HAVE_SM
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19
configure.in
19
configure.in
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@ -43,6 +43,25 @@ AM_GNU_GETTEXT
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## here we get the flags we'll actually use
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PKG_CHECK_MODULES(METACITY, gtk+-2.0 >= 1.3.6)
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CFLAGS="$METACITY_CFLAGS $CFLAGS"
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found_sm=false
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case "$METACITY_LIBS" in
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*-lSM*)
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found_sm=true
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;;
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*)
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AC_CHECK_LIB(SM, SmcSaveYourselfDone,
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AC_CHECK_HEADERS(X11/SM/SMlib.h,
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METACITY_LIBS="-lSM -lICE $METACITY_LIBS" found_sm=true),
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, $METACITY_LIBS)
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;;
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esac
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if test "$found_sm" = "true"; then
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AC_DEFINE(HAVE_SM)
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fi
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# Check for shaped window extension
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AC_CHECK_LIB(Xext, XShapeCombineMask, AC_DEFINE(HAVE_SHAPE_EXT),,$METACITY_LIBS)
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122
src/main.c
122
src/main.c
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@ -24,6 +24,7 @@
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#include "display.h"
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#include "errors.h"
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#include "ui.h"
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#include "session.h"
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#include <glib-object.h>
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@ -37,13 +38,24 @@
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static MetaExitCode meta_exit_code = META_EXIT_SUCCESS;
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static GMainLoop *meta_main_loop = NULL;
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static void
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usage (void)
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{
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g_print ("metacity [--disable-sm] [--sm-client-id=ID] [--display=DISPLAY]\n");
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exit (0);
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}
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int
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main (int argc, char **argv)
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{
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struct sigaction act;
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sigset_t empty_mask;
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char *display_name;
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int i;
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const char *client_id;
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gboolean disable_sm;
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const char *prev_arg;
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sigemptyset (&empty_mask);
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act.sa_handler = SIG_IGN;
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act.sa_mask = empty_mask;
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@ -52,34 +64,125 @@ main (int argc, char **argv)
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g_set_prgname (PACKAGE);
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meta_main_loop = g_main_loop_new (NULL, FALSE);
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meta_set_verbose (TRUE);
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meta_set_debugging (TRUE);
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meta_set_syncing (g_getenv ("METACITY_SYNC") != NULL);
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if (g_getenv ("METACITY_DISPLAY"))
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/* Parse options lamely */
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display_name = NULL;
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client_id = NULL;
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disable_sm = FALSE;
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prev_arg = NULL;
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i = 1;
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while (i < argc)
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{
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const char *arg = argv[i];
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if (strcmp (arg, "--help") == 0 ||
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strcmp (arg, "-h") == 0 ||
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strcmp (arg, "-?") == 0)
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usage ();
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else if (strcmp (arg, "--sm-disable") == 0)
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disable_sm = TRUE;
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else if (strstr (arg, "--display=") == arg)
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{
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const char *disp;
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if (display_name != NULL)
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meta_fatal ("Can't specify display twice\n");
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disp = strchr (arg, '=');
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++disp;
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display_name =
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g_strconcat ("DISPLAY=", disp, NULL);
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}
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else if (prev_arg &&
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strcmp (prev_arg, "--display") == 0)
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{
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if (display_name != NULL)
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meta_fatal ("Can't specify display twice\n");
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display_name = g_strconcat ("DISPLAY=", arg, NULL);
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}
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else if (strcmp (arg, "--display") == 0)
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; /* wait for next arg */
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else if (strstr (arg, "--sm-client-id=") == arg)
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{
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const char *id;
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if (client_id)
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meta_fatal ("Can't specify client ID twice\n");
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id = strchr (arg, '=');
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++id;
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client_id = g_strdup (id);
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}
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else if (prev_arg &&
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strcmp (prev_arg, "--sm-client-id") == 0)
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{
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if (client_id)
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meta_fatal ("Can't specify client ID twice\n");
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client_id = g_strdup (arg);
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}
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else if (strcmp (arg, "--sm-client-id") == 0)
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; /* wait for next arg */
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else
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usage ();
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prev_arg = arg;
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++i;
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}
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meta_main_loop = g_main_loop_new (NULL, FALSE);
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if (display_name == NULL &&
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g_getenv ("METACITY_DISPLAY"))
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{
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meta_verbose ("Using METACITY_DISPLAY %s\n",
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g_getenv ("METACITY_DISPLAY"));
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display_name =
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g_strconcat ("DISPLAY=", g_getenv ("METACITY_DISPLAY"), NULL);
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}
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if (display_name)
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{
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putenv (display_name);
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/* DO NOT FREE display_name, putenv() sucks */
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}
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/* gtk_init() below overrides this, so it can be removed */
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meta_errors_init ();
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g_type_init (0); /* grumble */
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meta_ui_init (&argc, &argv);
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if (!disable_sm)
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meta_session_init (client_id); /* client_id == NULL is fine */
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meta_ui_init (&argc, &argv);
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if (!meta_display_open (NULL))
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meta_exit (META_EXIT_ERROR);
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g_main_run (meta_main_loop);
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{
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GSList *displays;
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GSList *tmp;
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displays = meta_displays_list ();
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tmp = displays;
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while (tmp != NULL)
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{
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meta_display_close (tmp->data);
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tmp = tmp->next;
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}
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}
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return meta_exit_code;
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}
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@ -93,8 +196,9 @@ void
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meta_quit (MetaExitCode code)
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{
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meta_exit_code = code;
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g_main_quit (meta_main_loop);
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if (g_main_is_running (meta_main_loop))
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g_main_quit (meta_main_loop);
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}
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void
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456
src/session.c
456
src/session.c
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@ -1,7 +1,8 @@
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/* Metacity Session Management */
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/*
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* Copyright (C) 2001 Havoc Pennington
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* Copyright (C) 2001 Havoc Pennington (some code in here from
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* libgnomeui, (C) Tom Tromey, Carsten Schaar)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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@ -16,12 +17,461 @@
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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* 02111-1307, USA. */
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#include "session.h"
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#ifndef HAVE_SM
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void
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meta_session_init (const char *previous_id)
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{
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meta_verbose ("Compiled without session management support\n");
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}
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#else /* HAVE_SM */
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#include <X11/ICE/ICElib.h>
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#include <X11/SM/SMlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <glib.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "main.h"
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#include "util.h"
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static void ice_io_error_handler (IceConn connection);
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static void new_ice_connection (IceConn connection, IcePointer client_data,
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Bool opening, IcePointer *watch_data);
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/* This is called when data is available on an ICE connection. */
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static gboolean
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process_ice_messages (GIOChannel *channel,
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GIOCondition condition,
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gpointer client_data)
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{
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IceConn connection = (IceConn) client_data;
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IceProcessMessagesStatus status;
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status = IceProcessMessages (connection, NULL, NULL);
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if (status == IceProcessMessagesIOError)
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{
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#if 0
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IcePointer context = IceGetConnectionContext (connection);
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#endif
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/* We were disconnected */
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IceSetShutdownNegotiation (connection, False);
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IceCloseConnection (connection);
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}
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return TRUE;
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}
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/* This is called when a new ICE connection is made. It arranges for
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the ICE connection to be handled via the event loop. */
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static void
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new_ice_connection (IceConn connection, IcePointer client_data, Bool opening,
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IcePointer *watch_data)
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{
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guint input_id;
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if (opening)
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{
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/* Make sure we don't pass on these file descriptors to any
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* exec'ed children
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*/
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GIOChannel *channel;
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fcntl (IceConnectionNumber(connection),F_SETFD,
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fcntl(IceConnectionNumber(connection),F_GETFD,0) | FD_CLOEXEC);
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channel = g_io_channel_unix_new (IceConnectionNumber (connection));
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input_id = g_io_add_watch (channel,
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G_IO_IN | G_IO_ERR,
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process_ice_messages,
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connection);
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g_io_channel_unref (channel);
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*watch_data = (IcePointer) GUINT_TO_POINTER (input_id);
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}
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else
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{
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input_id = GPOINTER_TO_UINT ((gpointer) *watch_data);
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g_source_remove (input_id);
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}
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}
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static IceIOErrorHandler gnome_ice_installed_handler;
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/* We call any handler installed before (or after) gnome_ice_init but
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avoid calling the default libICE handler which does an exit() */
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static void
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ice_io_error_handler (IceConn connection)
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{
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if (gnome_ice_installed_handler)
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(*gnome_ice_installed_handler) (connection);
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}
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static void
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ice_init (void)
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{
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static gboolean ice_initted = FALSE;
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if (! ice_initted)
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{
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IceIOErrorHandler default_handler;
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gnome_ice_installed_handler = IceSetIOErrorHandler (NULL);
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default_handler = IceSetIOErrorHandler (ice_io_error_handler);
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if (gnome_ice_installed_handler == default_handler)
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gnome_ice_installed_handler = NULL;
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IceAddConnectionWatch (new_ice_connection, NULL);
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ice_initted = TRUE;
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}
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}
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typedef enum
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{
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STATE_DISCONNECTED,
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STATE_IDLE,
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STATE_SAVING_PHASE_1,
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STATE_WAITING_FOR_PHASE_2,
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STATE_SAVING_PHASE_2,
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STATE_FROZEN,
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STATE_REGISTERING
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} ClientState;
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static void save_phase_2_callback (SmcConn smc_conn,
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SmPointer client_data);
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static void interact_callback (SmcConn smc_conn,
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SmPointer client_data);
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static void shutdown_cancelled_callback (SmcConn smc_conn,
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SmPointer client_data);
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static void save_complete_callback (SmcConn smc_conn,
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SmPointer client_data);
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static void die_callback (SmcConn smc_conn,
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SmPointer client_data);
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static void save_yourself_callback (SmcConn smc_conn,
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SmPointer client_data,
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int save_style,
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Bool shutdown,
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int interact_style,
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Bool fast);
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static void set_clone_restart_commands (void);
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static gchar *client_id = NULL;
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static gpointer session_connection = NULL;
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static ClientState current_state = STATE_DISCONNECTED;
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void
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meta_session_init (const char *previous_id)
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{
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/* Some code here from twm */
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char buf[256];
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unsigned long mask;
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SmcCallbacks callbacks;
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meta_verbose ("Initializing session with session ID '%s'\n",
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previous_id ? previous_id : "(none)");
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ice_init ();
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mask = SmcSaveYourselfProcMask | SmcDieProcMask |
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SmcSaveCompleteProcMask | SmcShutdownCancelledProcMask;
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callbacks.save_yourself.callback = save_yourself_callback;
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callbacks.save_yourself.client_data = NULL;
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callbacks.die.callback = die_callback;
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callbacks.die.client_data = NULL;
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callbacks.save_complete.callback = save_complete_callback;
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callbacks.save_complete.client_data = NULL;
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callbacks.shutdown_cancelled.callback = shutdown_cancelled_callback;
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callbacks.shutdown_cancelled.client_data = NULL;
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session_connection =
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SmcOpenConnection (NULL, /* use SESSION_MANAGER env */
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NULL, /* means use existing ICE connection */
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SmProtoMajor,
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SmProtoMinor,
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mask,
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&callbacks,
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previous_id,
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&client_id,
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255, buf);
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if (session_connection == NULL)
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{
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meta_warning ("Failed to open connection to session manager: %s\n", buf);
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return;
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}
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else
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meta_verbose ("Obtained session ID '%s'\n", client_id);
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if (previous_id && strcmp (previous_id, client_id) == 0)
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current_state = STATE_IDLE;
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else
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current_state = STATE_REGISTERING;
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{
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SmProp prop1, prop2, prop3, prop4, prop5, *props[5];
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SmPropValue prop1val, prop2val, prop3val, prop4val, prop5val;
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char pid[32];
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char hint = SmRestartIfRunning;
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prop1.name = SmProgram;
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prop1.type = SmARRAY8;
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prop1.num_vals = 1;
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prop1.vals = &prop1val;
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prop1val.value = "metacity";
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prop1val.length = strlen ("metacity");
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/* twm sets getuid() for this, but the SM spec plainly
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* says pw_name, twm is on crack
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*/
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prop2.name = SmUserID;
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prop2.type = SmARRAY8;
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prop2.num_vals = 1;
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prop2.vals = &prop2val;
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prop2val.value = g_get_user_name ();
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prop2val.length = strlen (prop2val.value);
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prop3.name = SmRestartStyleHint;
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prop3.type = SmCARD8;
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prop3.num_vals = 1;
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prop3.vals = &prop3val;
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prop3val.value = &hint;
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prop3val.length = 1;
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sprintf (pid, "%d", getpid ());
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prop4.name = SmProcessID;
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prop4.type = SmARRAY8;
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prop4.num_vals = 1;
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prop4.vals = &prop4val;
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prop4val.value = pid;
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prop4val.length = strlen (prop4val.value);
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/* Always start in home directory */
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prop5.name = SmCurrentDirectory;
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prop5.type = SmARRAY8;
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prop5.num_vals = 1;
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prop5.vals = &prop5val;
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prop5val.value = g_get_home_dir ();
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prop5val.length = strlen (prop5val.value);
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props[0] = &prop1;
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props[1] = &prop2;
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props[2] = &prop3;
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props[3] = &prop4;
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props[4] = &prop5;
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SmcSetProperties (session_connection, 5, props);
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}
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set_clone_restart_commands ();
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}
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static void
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disconnect (void)
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{
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SmcCloseConnection (session_connection, 0, NULL);
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session_connection = NULL;
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current_state = STATE_DISCONNECTED;
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}
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|
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static void
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save_yourself_possibly_done (gboolean shutdown,
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gboolean successful)
|
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{
|
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if (current_state == STATE_SAVING_PHASE_1)
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{
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Status status;
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|
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status = SmcRequestSaveYourselfPhase2 (session_connection,
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save_phase_2_callback,
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GINT_TO_POINTER (shutdown));
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|
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if (status)
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current_state = STATE_WAITING_FOR_PHASE_2;
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}
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|
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if (current_state == STATE_SAVING_PHASE_1 ||
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current_state == STATE_SAVING_PHASE_2)
|
||||
{
|
||||
SmcSaveYourselfDone (session_connection,
|
||||
successful);
|
||||
|
||||
if (shutdown)
|
||||
current_state = STATE_FROZEN;
|
||||
else
|
||||
current_state = STATE_IDLE;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
save_phase_2_callback (SmcConn smc_conn, SmPointer client_data)
|
||||
{
|
||||
gboolean shutdown;
|
||||
|
||||
shutdown = GPOINTER_TO_INT (client_data);
|
||||
|
||||
current_state = STATE_SAVING_PHASE_2;
|
||||
|
||||
save_yourself_possibly_done (shutdown, TRUE);
|
||||
}
|
||||
|
||||
static void
|
||||
save_yourself_callback (SmcConn smc_conn,
|
||||
SmPointer client_data,
|
||||
int save_style,
|
||||
Bool shutdown,
|
||||
int interact_style,
|
||||
Bool fast)
|
||||
{
|
||||
gboolean successful;
|
||||
|
||||
successful = TRUE;
|
||||
|
||||
/* The first SaveYourself after registering for the first time
|
||||
* is a special case (SM specs 7.2).
|
||||
*
|
||||
* This SaveYourself seems to be included in the protocol to
|
||||
* ask the client to specify its initial SmProperties since
|
||||
* there is little point saving a copy of the initial state.
|
||||
*
|
||||
* A bug in xsm means that it does not send us a SaveComplete
|
||||
* in response to this initial SaveYourself. Therefore, we
|
||||
* must not set a grab because it would never be released.
|
||||
* Indeed, even telling the app that this SaveYourself has
|
||||
* arrived is hazardous as the app may take its own steps
|
||||
* to freeze its WM state while waiting for the SaveComplete.
|
||||
*
|
||||
* Fortunately, we have already set the SmProperties during
|
||||
* gnome_client_connect so there is little lost in simply
|
||||
* returning immediately.
|
||||
*
|
||||
* Apps which really want to save their initial states can
|
||||
* do so safely using gnome_client_save_yourself_request.
|
||||
*/
|
||||
|
||||
if (current_state == STATE_REGISTERING)
|
||||
{
|
||||
current_state = STATE_IDLE;
|
||||
|
||||
/* Double check that this is a section 7.2 SaveYourself: */
|
||||
|
||||
if (save_style == SmSaveLocal &&
|
||||
interact_style == SmInteractStyleNone &&
|
||||
!shutdown && !fast)
|
||||
{
|
||||
/* The protocol requires this even if xsm ignores it. */
|
||||
SmcSaveYourselfDone (session_connection, successful);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
current_state = STATE_SAVING_PHASE_1;
|
||||
|
||||
set_clone_restart_commands ();
|
||||
|
||||
save_yourself_possibly_done (shutdown, successful);
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
die_callback (SmcConn smc_conn, SmPointer client_data)
|
||||
{
|
||||
meta_verbose ("Exiting at request of session manager\n");
|
||||
disconnect ();
|
||||
meta_quit (META_EXIT_SUCCESS);
|
||||
}
|
||||
|
||||
static void
|
||||
save_complete_callback (SmcConn smc_conn, SmPointer client_data)
|
||||
{
|
||||
/* nothing */
|
||||
}
|
||||
|
||||
static void
|
||||
shutdown_cancelled_callback (SmcConn smc_conn, SmPointer client_data)
|
||||
{
|
||||
/* nothing */
|
||||
}
|
||||
|
||||
static void
|
||||
interact_callback (SmcConn smc_conn, SmPointer client_data)
|
||||
{
|
||||
/* nothing */
|
||||
}
|
||||
|
||||
static void
|
||||
set_clone_restart_commands (void)
|
||||
{
|
||||
char *restartv[10];
|
||||
char *clonev[10];
|
||||
int i;
|
||||
SmProp prop1, prop2, *props[2];
|
||||
|
||||
/* Restart (use same client ID) */
|
||||
|
||||
prop1.name = SmRestartCommand;
|
||||
prop1.type = SmLISTofARRAY8;
|
||||
|
||||
i = 0;
|
||||
restartv[i] = "metacity";
|
||||
++i;
|
||||
restartv[i] = "--sm-client-id";
|
||||
++i;
|
||||
restartv[i] = client_id;
|
||||
++i;
|
||||
restartv[i] = NULL;
|
||||
|
||||
prop1.vals = g_new (SmPropValue, i);
|
||||
i = 0;
|
||||
while (restartv[i])
|
||||
{
|
||||
prop1.vals[i].value = restartv[i];
|
||||
prop1.vals[i].length = strlen (restartv[i]);
|
||||
++i;
|
||||
}
|
||||
prop1.num_vals = i;
|
||||
|
||||
/* Clone (no client ID) */
|
||||
|
||||
i = 0;
|
||||
clonev[i] = "metacity";
|
||||
++i;
|
||||
clonev[i] = NULL;
|
||||
|
||||
prop2.name = SmCloneCommand;
|
||||
prop2.type = SmLISTofARRAY8;
|
||||
|
||||
prop2.vals = g_new (SmPropValue, i);
|
||||
i = 0;
|
||||
while (clonev[i])
|
||||
{
|
||||
prop2.vals[i].value = clonev[i];
|
||||
prop2.vals[i].length = strlen (clonev[i]);
|
||||
++i;
|
||||
}
|
||||
prop2.num_vals = i;
|
||||
|
||||
props[0] = &prop1;
|
||||
props[1] = &prop2;
|
||||
|
||||
SmcSetProperties (session_connection, 2, props);
|
||||
}
|
||||
|
||||
#endif /* HAVE_SM */
|
||||
|
|
|
|||
Loading…
Reference in a new issue