openbox/openbox.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    openbox.c for the Openbox window manager
   4    Copyright (c) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "debug.h"
  21 #include "openbox.h"
  22 #include "session.h"
  23 #include "dock.h"
  24 #include "modkeys.h"
  25 #include "event.h"
  26 #include "menu.h"
  27 #include "client.h"
  28 #include "xerror.h"
  29 #include "prop.h"
  30 #include "screen.h"
  31 #include "actions.h"
  32 #include "startupnotify.h"
  33 #include "focus.h"
  34 #include "focus_cycle.h"
  35 #include "focus_cycle_indicator.h"
  36 #include "focus_cycle_popup.h"
  37 #include "moveresize.h"
  38 #include "frame.h"
  39 #include "framerender.h"
  40 #include "keyboard.h"
  41 #include "mouse.h"
  42 #include "extensions.h"
  43 #include "menuframe.h"
  44 #include "grab.h"
  45 #include "group.h"
  46 #include "config.h"
  47 #include "ping.h"
  48 #include "mainloop.h"
  49 #include "prompt.h"
  50 #include "gettext.h"
  51 #include "parser/parse.h"
  52 #include "render/render.h"
  53 #include "render/theme.h"
  54
  55 #ifdef HAVE_FCNTL_H
  56 #  include <fcntl.h>
  57 #endif
  58 #ifdef HAVE_SIGNAL_H
  59 #  include <signal.h>
  60 #endif
  61 #ifdef HAVE_STDLIB_H
  62 #  include <stdlib.h>
  63 #endif
  64 #ifdef HAVE_LOCALE_H
  65 #  include <locale.h>
  66 #endif
  67 #ifdef HAVE_SYS_STAT_H
  68 #  include <sys/stat.h>
  69 #  include <sys/types.h>
  70 #endif
  71 #ifdef HAVE_SYS_WAIT_H
  72 #  include <sys/types.h>
  73 #  include <sys/wait.h>
  74 #endif
  75 #ifdef HAVE_UNISTD_H
  76 #  include <unistd.h>
  77 #endif
  78 #include <errno.h>
  79
  80 #include <X11/cursorfont.h>
  81 #if USE_XCURSOR
  82 #include <X11/Xcursor/Xcursor.h>
  83 #endif
  84
  85 #include <X11/Xlib.h>
  86 #include <X11/keysym.h>
  87
  88
  89 RrInstance   *ob_rr_inst;
  90 RrImageCache *ob_rr_icons;
  91 RrTheme      *ob_rr_theme;
  92 ObMainLoop   *ob_main_loop;
  93 Display      *ob_display;
  94 gint          ob_screen;
  95 gboolean      ob_replace_wm = FALSE;
  96 gboolean      ob_sm_use = TRUE;
  97 gchar        *ob_sm_id = NULL;
  98 gchar        *ob_sm_save_file = NULL;
  99 gboolean      ob_sm_restore = TRUE;
 100 gboolean      ob_debug_xinerama = FALSE;
 101
 102 static ObState   state;
 103 static gboolean  xsync = FALSE;
 104 static gboolean  reconfigure = FALSE;
 105 static gboolean  restart = FALSE;
 106 static gchar    *restart_path = NULL;
 107 static Cursor    cursors[OB_NUM_CURSORS];
 108 static KeyCode   keys[OB_NUM_KEYS];
 109 static gint      exitcode = 0;
 110 static guint     remote_control = 0;
 111 static gboolean  being_replaced = FALSE;
 112 static gchar    *config_file = NULL;
 113
 114 static void signal_handler(gint signal, gpointer data);
 115 static void remove_args(gint *argc, gchar **argv, gint index, gint num);
 116 static void parse_env();
 117 static void parse_args(gint *argc, gchar **argv);
 118 static Cursor load_cursor(const gchar *name, guint fontval);
 119
 120 gint main(gint argc, gchar **argv)
 121 {
 122     gchar *program_name;
 123
 124     state = OB_STATE_STARTING;
 125
 126     /* initialize the locale */
 127     if (!setlocale(LC_ALL, ""))
 128         g_message("Couldn't set locale from environment.");
 129     bindtextdomain(PACKAGE_NAME, LOCALEDIR);
 130     bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
 131     textdomain(PACKAGE_NAME);
 132
 133     if (chdir(g_get_home_dir()) == -1)
 134         g_message(_("Unable to change to home directory \"%s\": %s"),
 135                   g_get_home_dir(), g_strerror(errno));
 136
 137     /* parse the command line args, which can change the argv[0] */
 138     parse_args(&argc, argv);
 139     /* parse the environment variables */
 140     parse_env();
 141
 142     program_name = g_path_get_basename(argv[0]);
 143     g_set_prgname(program_name);
 144
 145     if (!remote_control) {
 146         parse_paths_startup();
 147
 148         session_startup(argc, argv);
 149     }
 150
 151
 152     ob_display = XOpenDisplay(NULL);
 153     if (ob_display == NULL)
 154         ob_exit_with_error(_("Failed to open the display from the DISPLAY environment variable."));
 155     if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
 156         ob_exit_with_error("Failed to set display as close-on-exec");
 157
 158     if (remote_control) {
 159         prop_startup();
 160
 161         /* Send client message telling the OB process to:
 162          * remote_control = 1 -> reconfigure
 163          * remote_control = 2 -> restart */
 164         PROP_MSG(RootWindow(ob_display, ob_screen),
 165                  ob_control, remote_control, 0, 0, 0);
 166         XCloseDisplay(ob_display);
 167         exit(EXIT_SUCCESS);
 168     }
 169
 170     ob_main_loop = ob_main_loop_new(ob_display);
 171
 172     /* set up signal handler */
 173     ob_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL, NULL);
 174     ob_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL, NULL);
 175     ob_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL, NULL);
 176     ob_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL, NULL);
 177     ob_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL, NULL);
 178     ob_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL, NULL);
 179     ob_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL, NULL);
 180
 181     ob_screen = DefaultScreen(ob_display);
 182
 183     ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
 184     if (ob_rr_inst == NULL)
 185         ob_exit_with_error(_("Failed to initialize the obrender library."));
 186     /* Saving 3 resizes of an RrImage makes a lot of sense for icons, as there
 187        are generally 3 icon sizes needed: the titlebar icon, the menu icon,
 188        and the alt-tab icon
 189     */
 190     ob_rr_icons = RrImageCacheNew(3);
 191
 192     XSynchronize(ob_display, xsync);
 193
 194     /* check for locale support */
 195     if (!XSupportsLocale())
 196         g_message(_("X server does not support locale."));
 197     if (!XSetLocaleModifiers(""))
 198         g_message(_("Cannot set locale modifiers for the X server."));
 199
 200     /* set our error handler */
 201     XSetErrorHandler(xerror_handler);
 202
 203     /* set the DISPLAY environment variable for any lauched children, to the
 204        display we're using, so they open in the right place. */
 205     setenv("DISPLAY", DisplayString(ob_display), TRUE);
 206
 207     /* create available cursors */
 208     cursors[OB_CURSOR_NONE] = None;
 209     cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
 210     cursors[OB_CURSOR_BUSYPOINTER] = load_cursor("left_ptr_watch",XC_left_ptr);
 211     cursors[OB_CURSOR_BUSY] = load_cursor("watch", XC_watch);
 212     cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur);
 213     cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side);
 214     cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner",
 215                                                XC_top_right_corner);
 216     cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side);
 217     cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner",
 218                                                XC_bottom_right_corner);
 219     cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side);
 220     cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner",
 221                                                XC_bottom_left_corner);
 222     cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side);
 223     cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner",
 224                                                XC_top_left_corner);
 225
 226
 227     prop_startup(); /* get atoms values for the display */
 228     extensions_query_all(); /* find which extensions are present */
 229
 230     if (screen_annex()) { /* it will be ours! */
 231         do {
 232             modkeys_startup(reconfigure);
 233
 234             /* get the keycodes for keys we use */
 235             keys[OB_KEY_RETURN] = modkeys_sym_to_code(XK_Return);
 236             keys[OB_KEY_ESCAPE] = modkeys_sym_to_code(XK_Escape);
 237             keys[OB_KEY_LEFT] = modkeys_sym_to_code(XK_Left);
 238             keys[OB_KEY_RIGHT] = modkeys_sym_to_code(XK_Right);
 239             keys[OB_KEY_UP] = modkeys_sym_to_code(XK_Up);
 240             keys[OB_KEY_DOWN] = modkeys_sym_to_code(XK_Down);
 241             keys[OB_KEY_TAB] = modkeys_sym_to_code(XK_Tab);
 242             keys[OB_KEY_SPACE] = modkeys_sym_to_code(XK_space);
 243
 244             {
 245                 ObParseInst *i;
 246                 xmlDocPtr doc;
 247                 xmlNodePtr node;
 248
 249                 /* startup the parsing so everything can register sections
 250                    of the rc */
 251                 i = parse_startup();
 252
 253                 /* register all the available actions */
 254                 actions_startup(reconfigure);
 255                 /* start up config which sets up with the parser */
 256                 config_startup(i);
 257
 258                 /* parse/load user options */
 259                 if (parse_load_rc(config_file, &doc, &node)) {
 260                     parse_tree(i, doc, node->xmlChildrenNode);
 261                     parse_close(doc);
 262                 }
 263                 else {
 264                     g_message(_("Unable to find a valid config file, using some simple defaults"));
 265                     config_file = NULL;
 266                 }
 267
 268                 if (config_file) {
 269                     gchar *p = g_filename_to_utf8(config_file, -1,
 270                                                   NULL, NULL, NULL);
 271                     if (p)
 272                         PROP_SETS(RootWindow(ob_display, ob_screen),
 273                                   ob_config_file, p);
 274                     g_free(p);
 275                 }
 276                 else
 277                     PROP_ERASE(RootWindow(ob_display, ob_screen),
 278                                ob_config_file);
 279
 280                 /* we're done with parsing now, kill it */
 281                 parse_shutdown(i);
 282             }
 283
 284             /* load the theme specified in the rc file */
 285             {
 286                 RrTheme *theme;
 287                 if ((theme = RrThemeNew(ob_rr_inst, config_theme, TRUE,
 288                                         config_font_activewindow,
 289                                         config_font_inactivewindow,
 290                                         config_font_menutitle,
 291                                         config_font_menuitem,
 292                                         config_font_osd)))
 293                 {
 294                     RrThemeFree(ob_rr_theme);
 295                     ob_rr_theme = theme;
 296                 }
 297                 if (ob_rr_theme == NULL)
 298                     ob_exit_with_error(_("Unable to load a theme."));
 299
 300                 PROP_SETS(RootWindow(ob_display, ob_screen),
 301                           ob_theme, ob_rr_theme->name);
 302             }
 303
 304             if (reconfigure) {
 305                 GList *it;
 306
 307                 /* update all existing windows for the new theme */
 308                 for (it = client_list; it; it = g_list_next(it)) {
 309                     ObClient *c = it->data;
 310                     frame_adjust_theme(c->frame);
 311                 }
 312             }
 313             event_startup(reconfigure);
 314             /* focus_backup is used for stacking, so this needs to come before
 315                anything that calls stacking_add */
 316             sn_startup(reconfigure);
 317             window_startup(reconfigure);
 318             focus_startup(reconfigure);
 319             focus_cycle_startup(reconfigure);
 320             focus_cycle_indicator_startup(reconfigure);
 321             focus_cycle_popup_startup(reconfigure);
 322             screen_startup(reconfigure);
 323             grab_startup(reconfigure);
 324             group_startup(reconfigure);
 325             ping_startup(reconfigure);
 326             prompt_startup(reconfigure);
 327             client_startup(reconfigure);
 328             dock_startup(reconfigure);
 329             moveresize_startup(reconfigure);
 330             keyboard_startup(reconfigure);
 331             mouse_startup(reconfigure);
 332             menu_frame_startup(reconfigure);
 333             menu_startup(reconfigure);
 334
 335             if (!reconfigure) {
 336                 guint32 xid;
 337                 ObWindow *w;
 338
 339                 /* get all the existing windows */
 340                 client_manage_all();
 341                 focus_nothing();
 342
 343                 /* focus what was focused if a wm was already running */
 344                 if (PROP_GET32(RootWindow(ob_display, ob_screen),
 345                                net_active_window, window, &xid) &&
 346                     (w = g_hash_table_lookup(window_map, &xid)) &&
 347                     WINDOW_IS_CLIENT(w))
 348                 {
 349                     client_focus(WINDOW_AS_CLIENT(w));
 350                 }
 351             } else {
 352                 GList *it;
 353
 354                 /* redecorate all existing windows */
 355                 for (it = client_list; it; it = g_list_next(it)) {
 356                     ObClient *c = it->data;
 357
 358                     /* the new config can change the window's decorations */
 359                     client_setup_decor_and_functions(c, FALSE);
 360                     /* redraw the frames */
 361                     frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
 362                     /* the decor sizes may have changed, so the windows may
 363                        end up in new positions */
 364                     client_reconfigure(c, FALSE);
 365                 }
 366             }
 367
 368             reconfigure = FALSE;
 369
 370             state = OB_STATE_RUNNING;
 371             ob_main_loop_run(ob_main_loop);
 372             state = OB_STATE_EXITING;
 373
 374             if (!reconfigure) {
 375                 dock_remove_all();
 376                 client_unmanage_all();
 377             }
 378
 379             menu_shutdown(reconfigure);
 380             menu_frame_shutdown(reconfigure);
 381             mouse_shutdown(reconfigure);
 382             keyboard_shutdown(reconfigure);
 383             moveresize_shutdown(reconfigure);
 384             dock_shutdown(reconfigure);
 385             client_shutdown(reconfigure);
 386             prompt_shutdown(reconfigure);
 387             ping_shutdown(reconfigure);
 388             group_shutdown(reconfigure);
 389             grab_shutdown(reconfigure);
 390             screen_shutdown(reconfigure);
 391             focus_cycle_popup_shutdown(reconfigure);
 392             focus_cycle_indicator_shutdown(reconfigure);
 393             focus_cycle_shutdown(reconfigure);
 394             focus_shutdown(reconfigure);
 395             window_shutdown(reconfigure);
 396             sn_shutdown(reconfigure);
 397             event_shutdown(reconfigure);
 398             config_shutdown();
 399             actions_shutdown(reconfigure);
 400             modkeys_shutdown(reconfigure);
 401         } while (reconfigure);
 402     }
 403
 404     XSync(ob_display, FALSE);
 405
 406     RrThemeFree(ob_rr_theme);
 407     RrImageCacheUnref(ob_rr_icons);
 408     RrInstanceFree(ob_rr_inst);
 409
 410     session_shutdown(being_replaced);
 411
 412     XCloseDisplay(ob_display);
 413
 414     parse_paths_shutdown();
 415
 416     if (restart) {
 417         if (restart_path != NULL) {
 418             gint argcp;
 419             gchar **argvp;
 420             GError *err = NULL;
 421
 422             /* run other window manager */
 423             if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
 424                 execvp(argvp[0], argvp);
 425                 g_strfreev(argvp);
 426             } else {
 427                 g_message(
 428                     _("Restart failed to execute new executable \"%s\": %s"),
 429                     restart_path, err->message);
 430                 g_error_free(err);
 431             }
 432         }
 433
 434         /* we remove the session arguments from argv, so put them back,
 435            also don't restore the session on restart */
 436         if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
 437             gchar **nargv;
 438             gint i, l;
 439
 440             l = argc + 1 +
 441                 (ob_sm_save_file != NULL ? 2 : 0) +
 442                 (ob_sm_id != NULL ? 2 : 0);
 443             nargv = g_new0(gchar*, l+1);
 444             for (i = 0; i < argc; ++i)
 445                 nargv[i] = argv[i];
 446
 447             if (ob_sm_save_file != NULL) {
 448                 nargv[i++] = g_strdup("--sm-save-file");
 449                 nargv[i++] = ob_sm_save_file;
 450             }
 451             if (ob_sm_id != NULL) {
 452                 nargv[i++] = g_strdup("--sm-client-id");
 453                 nargv[i++] = ob_sm_id;
 454             }
 455             nargv[i++] = g_strdup("--sm-no-load");
 456             g_assert(i == l);
 457             argv = nargv;
 458         }
 459
 460         /* re-run me */
 461         execvp(argv[0], argv); /* try how we were run */
 462         execlp(argv[0], program_name, (gchar*)NULL); /* last resort */
 463     }
 464
 465     /* free stuff passed in from the command line or environment */
 466     g_free(ob_sm_save_file);
 467     g_free(ob_sm_id);
 468     g_free(program_name);
 469
 470     return exitcode;
 471 }
 472
 473 static void signal_handler(gint signal, gpointer data)
 474 {
 475     switch (signal) {
 476     case SIGUSR1:
 477         ob_debug("Caught signal %d. Restarting.\n", signal);
 478         ob_restart();
 479         break;
 480     case SIGUSR2:
 481         ob_debug("Caught signal %d. Reconfiguring.\n", signal);
 482         ob_reconfigure();
 483         break;
 484     case SIGCHLD:
 485         /* reap children */
 486         while (waitpid(-1, NULL, WNOHANG) > 0);
 487         break;
 488     default:
 489         ob_debug("Caught signal %d. Exiting.\n", signal);
 490         /* TERM and INT return a 0 code */
 491         ob_exit(!(signal == SIGTERM || signal == SIGINT));
 492     }
 493 }
 494
 495 static void print_version()
 496 {
 497     g_print("Openbox %s\n", PACKAGE_VERSION);
 498     g_print(_("Copyright (c)"));
 499     g_print(" 2008        Mikael Magnusson\n");
 500     g_print(_("Copyright (c)"));
 501     g_print(" 2003-2006   Dana Jansens\n\n");
 502     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
 503     g_print("This is free software, and you are welcome to redistribute it\n");
 504     g_print("under certain conditions. See the file COPYING for details.\n\n");
 505 }
 506
 507 static void print_help()
 508 {
 509     g_print(_("Syntax: openbox [options]\n"));
 510     g_print(_("\nOptions:\n"));
 511     g_print(_("  --help              Display this help and exit\n"));
 512     g_print(_("  --version           Display the version and exit\n"));
 513     g_print(_("  --replace           Replace the currently running window manager\n"));
 514     g_print(_("  --config-file FILE  Specify the path to the config file to use\n"));
 515     g_print(_("  --sm-disable        Disable connection to the session manager\n"));
 516     g_print(_("\nPassing messages to a running Openbox instance:\n"));
 517     g_print(_("  --reconfigure       Reload Openbox's configuration\n"));
 518     g_print(_("  --restart           Restart Openbox\n"));
 519     g_print(_("  --exit              Exit Openbox\n"));
 520     g_print(_("\nDebugging options:\n"));
 521     g_print(_("  --sync              Run in synchronous mode\n"));
 522     g_print(_("  --debug             Display debugging output\n"));
 523     g_print(_("  --debug-focus       Display debugging output for focus handling\n"));
 524     g_print(_("  --debug-xinerama    Split the display into fake xinerama screens\n"));
 525     g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
 526 }
 527
 528 static void remove_args(gint *argc, gchar **argv, gint index, gint num)
 529 {
 530     gint i;
 531
 532     for (i = index; i < *argc - num; ++i)
 533         argv[i] = argv[i+num];
 534     for (; i < *argc; ++i)
 535         argv[i] = NULL;
 536     *argc -= num;
 537 }
 538
 539 static void parse_env()
 540 {
 541     /* unset this so we don't pass it on unknowingly */
 542     unsetenv("DESKTOP_STARTUP_ID");
 543 }
 544
 545 static void parse_args(gint *argc, gchar **argv)
 546 {
 547     gint i;
 548
 549     for (i = 1; i < *argc; ++i) {
 550         if (!strcmp(argv[i], "--version")) {
 551             print_version();
 552             exit(0);
 553         }
 554         else if (!strcmp(argv[i], "--help")) {
 555             print_help();
 556             exit(0);
 557         }
 558         else if (!strcmp(argv[i], "--g-fatal-warnings")) {
 559             g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
 560         }
 561         else if (!strcmp(argv[i], "--replace")) {
 562             ob_replace_wm = TRUE;
 563             remove_args(argc, argv, i, 1);
 564             --i; /* this arg was removed so go back */
 565         }
 566         else if (!strcmp(argv[i], "--sync")) {
 567             xsync = TRUE;
 568         }
 569         else if (!strcmp(argv[i], "--debug")) {
 570             ob_debug_show_output(TRUE);
 571             ob_debug_enable(OB_DEBUG_SM, TRUE);
 572             ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
 573         }
 574         else if (!strcmp(argv[i], "--debug-focus")) {
 575             ob_debug_show_output(TRUE);
 576             ob_debug_enable(OB_DEBUG_SM, TRUE);
 577             ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
 578             ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
 579         }
 580         else if (!strcmp(argv[i], "--debug-xinerama")) {
 581             ob_debug_xinerama = TRUE;
 582         }
 583         else if (!strcmp(argv[i], "--reconfigure")) {
 584             remote_control = 1;
 585         }
 586         else if (!strcmp(argv[i], "--restart")) {
 587             remote_control = 2;
 588         }
 589         else if (!strcmp(argv[i], "--exit")) {
 590             remote_control = 3;
 591         }
 592         else if (!strcmp(argv[i], "--config-file")) {
 593             if (i == *argc - 1) /* no args left */
 594                 g_printerr(_("--config-file requires an argument\n"));
 595             else {
 596                 /* this will be in the current locale encoding, which is
 597                    what we want */
 598                 config_file = argv[i+1];
 599                 ++i; /* skip the argument */
 600                 ob_debug("--config-file %s\n", config_file);
 601             }
 602         }
 603         else if (!strcmp(argv[i], "--sm-save-file")) {
 604             if (i == *argc - 1) /* no args left */
 605                 /* not translated cuz it's sekret */
 606                 g_printerr("--sm-save-file requires an argument\n");
 607             else {
 608                 ob_sm_save_file = g_strdup(argv[i+1]);
 609                 remove_args(argc, argv, i, 2);
 610                 --i; /* this arg was removed so go back */
 611                 ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s\n",
 612                               ob_sm_save_file);
 613             }
 614         }
 615         else if (!strcmp(argv[i], "--sm-client-id")) {
 616             if (i == *argc - 1) /* no args left */
 617                 /* not translated cuz it's sekret */
 618                 g_printerr("--sm-client-id requires an argument\n");
 619             else {
 620                 ob_sm_id = g_strdup(argv[i+1]);
 621                 remove_args(argc, argv, i, 2);
 622                 --i; /* this arg was removed so go back */
 623                 ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s\n", ob_sm_id);
 624             }
 625         }
 626         else if (!strcmp(argv[i], "--sm-disable")) {
 627             ob_sm_use = FALSE;
 628         }
 629         else if (!strcmp(argv[i], "--sm-no-load")) {
 630             ob_sm_restore = FALSE;
 631             remove_args(argc, argv, i, 1);
 632             --i; /* this arg was removed so go back */
 633         }
 634         else {
 635             /* this is a memleak.. oh well.. heh */
 636             gchar *err = g_strdup_printf
 637                 (_("Invalid command line argument \"%s\"\n"), argv[i]);
 638             ob_exit_with_error(err);
 639         }
 640     }
 641 }
 642
 643 static Cursor load_cursor(const gchar *name, guint fontval)
 644 {
 645     Cursor c = None;
 646
 647 #if USE_XCURSOR
 648     c = XcursorLibraryLoadCursor(ob_display, name);
 649 #endif
 650     if (c == None)
 651         c = XCreateFontCursor(ob_display, fontval);
 652     return c;
 653 }
 654
 655 void ob_exit_with_error(const gchar *msg)
 656 {
 657     g_message(msg);
 658     session_shutdown(TRUE);
 659     exit(EXIT_FAILURE);
 660 }
 661
 662 void ob_restart_other(const gchar *path)
 663 {
 664     restart_path = g_strdup(path);
 665     ob_restart();
 666 }
 667
 668 void ob_restart()
 669 {
 670     restart = TRUE;
 671     ob_exit(0);
 672 }
 673
 674 void ob_reconfigure()
 675 {
 676     reconfigure = TRUE;
 677     ob_exit(0);
 678 }
 679
 680 void ob_exit(gint code)
 681 {
 682     exitcode = code;
 683     ob_main_loop_exit(ob_main_loop);
 684 }
 685
 686 void ob_exit_replace()
 687 {
 688     exitcode = 0;
 689     being_replaced = TRUE;
 690     ob_main_loop_exit(ob_main_loop);
 691 }
 692
 693 Cursor ob_cursor(ObCursor cursor)
 694 {
 695     g_assert(cursor < OB_NUM_CURSORS);
 696     return cursors[cursor];
 697 }
 698
 699 KeyCode ob_keycode(ObKey key)
 700 {
 701     g_assert(key < OB_NUM_KEYS);
 702     return keys[key];
 703 }
 704
 705 ObState ob_state()
 706 {
 707     return state;
 708 }