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 "event.h"
  25 #include "menu.h"
  26 #include "client.h"
  27 #include "screen.h"
  28 #include "actions.h"
  29 #include "startupnotify.h"
  30 #include "focus.h"
  31 #include "focus_cycle.h"
  32 #include "focus_cycle_indicator.h"
  33 #include "focus_cycle_popup.h"
  34 #include "moveresize.h"
  35 #include "frame.h"
  36 #include "framerender.h"
  37 #include "keyboard.h"
  38 #include "stacking.h"
  39 #include "mouse.h"
  40 #include "menuframe.h"
  41 #include "grab.h"
  42 #include "group.h"
  43 #include "config.h"
  44 #include "ping.h"
  45 #include "prompt.h"
  46 #include "composite.h"
  47 #include "gettext.h"
  48 #include "obrender/render.h"
  49 #include "obrender/theme.h"
  50 #include "obt/display.h"
  51 #include "obt/xqueue.h"
  52 #include "obt/prop.h"
  53 #include "obt/keyboard.h"
  54 #include "obt/xml.h"
  55
  56 #ifdef HAVE_FCNTL_H
  57 #  include <fcntl.h>
  58 #endif
  59 #ifdef HAVE_SIGNAL_H
  60 #  include <signal.h>
  61 #endif
  62 #ifdef HAVE_STDLIB_H
  63 #  include <stdlib.h>
  64 #endif
  65 #ifdef HAVE_LOCALE_H
  66 #  include <locale.h>
  67 #endif
  68 #ifdef HAVE_SYS_STAT_H
  69 #  include <sys/stat.h>
  70 #  include <sys/types.h>
  71 #endif
  72 #ifdef HAVE_SYS_WAIT_H
  73 #  include <sys/types.h>
  74 #  include <sys/wait.h>
  75 #endif
  76 #ifdef HAVE_UNISTD_H
  77 #  include <unistd.h>
  78 #endif
  79 #include <errno.h>
  80
  81 #include <X11/cursorfont.h>
  82 #if USE_XCURSOR
  83 #include <X11/Xcursor/Xcursor.h>
  84 #endif
  85
  86 RrInstance   *ob_rr_inst;
  87 RrImageCache *ob_rr_icons;
  88 RrTheme      *ob_rr_theme;
  89 GMainLoop    *ob_main_loop;
  90 gint          ob_screen;
  91 gboolean      ob_replace_wm = FALSE;
  92 gboolean      ob_sm_use = TRUE;
  93 gchar        *ob_sm_id = NULL;
  94 gchar        *ob_sm_save_file = NULL;
  95 gboolean      ob_sm_restore = TRUE;
  96 gboolean      ob_debug_xinerama = FALSE;
  97 gboolean      ob_comp_indirect = FALSE;
  98 const gchar  *ob_locale_msg = NULL;
  99
 100 static ObState   state;
 101 static gboolean  xsync = FALSE;
 102 static gboolean  reconfigure = FALSE;
 103 static gboolean  restart = FALSE;
 104 static gchar    *restart_path = NULL;
 105 static Cursor    cursors[OB_NUM_CURSORS];
 106 static gint      exitcode = 0;
 107 static guint     remote_control = 0;
 108 static gboolean  being_replaced = FALSE;
 109 static gchar    *config_file = NULL;
 110 static gchar    *startup_cmd = NULL;
 111
 112 static void signal_handler(gint signal, gpointer data);
 113 static void remove_args(gint *argc, gchar **argv, gint index, gint num);
 114 static void parse_env();
 115 static void parse_args(gint *argc, gchar **argv);
 116 static Cursor load_cursor(const gchar *name, guint fontval);
 117 static void run_startup_cmd(void);
 118
 119 gint main(gint argc, gchar **argv)
 120 {
 121     gchar *program_name;
 122
 123     ob_set_state(OB_STATE_STARTING);
 124
 125     ob_debug_startup();
 126     ob_debug_enable(OB_DEBUG_CM, TRUE); /* composite debug enabled by default
 127                                            for now */
 128
 129     /* initialize the locale */
 130     if (!(ob_locale_msg = setlocale(LC_MESSAGES, "")))
 131         g_message("Couldn't set messages locale category from environment.");
 132     if (!setlocale(LC_ALL, ""))
 133         g_message("Couldn't set locale from environment.");
 134     bindtextdomain(PACKAGE_NAME, LOCALEDIR);
 135     bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
 136     textdomain(PACKAGE_NAME);
 137
 138     if (chdir(g_get_home_dir()) == -1)
 139         g_message(_("Unable to change to home directory \"%s\": %s"),
 140                   g_get_home_dir(), g_strerror(errno));
 141
 142     /* parse the command line args, which can change the argv[0] */
 143     parse_args(&argc, argv);
 144     /* parse the environment variables */
 145     parse_env();
 146
 147     program_name = g_path_get_basename(argv[0]);
 148     g_set_prgname(program_name);
 149
 150     if (!remote_control)
 151         session_startup(argc, argv);
 152
 153     if (!obt_display_open(NULL))
 154         ob_exit_with_error(_("Failed to open the display from the DISPLAY environment variable."));
 155
 156     if (remote_control) {
 157         /* Send client message telling the OB process to:
 158          * remote_control = 1 -> reconfigure
 159          * remote_control = 2 -> restart */
 160         OBT_PROP_MSG(ob_screen, obt_root(ob_screen),
 161                      OB_CONTROL, remote_control, 0, 0, 0, 0);
 162         obt_display_close();
 163         exit(EXIT_SUCCESS);
 164     }
 165
 166     ob_main_loop = g_main_loop_new(NULL, FALSE);
 167
 168     /* set up signal handler */
 169 //  obt_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL,NULL);
 170 //  obt_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL,NULL);
 171 //  obt_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL,NULL);
 172 //  obt_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler,  NULL,NULL);
 173 //  obt_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler,  NULL,NULL);
 174 //  obt_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL,NULL);
 175 //  obt_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL,NULL);
 176 //  obt_main_loop_signal_add(ob_main_loop, SIGTTIN, signal_handler, NULL,NULL);
 177 //  obt_main_loop_signal_add(ob_main_loop, SIGTTOU, signal_handler, NULL,NULL);
 178
 179     ob_screen = DefaultScreen(obt_display);
 180
 181     ob_rr_inst = RrInstanceNew(obt_display, ob_screen);
 182     if (ob_rr_inst == NULL)
 183         ob_exit_with_error(_("Failed to initialize the obrender library."));
 184     /* Saving 3 resizes of an RrImage makes a lot of sense for icons, as there
 185        are generally 3 icon sizes needed: the titlebar icon, the menu icon,
 186        and the alt-tab icon
 187     */
 188     ob_rr_icons = RrImageCacheNew(3);
 189
 190     XSynchronize(obt_display, xsync);
 191
 192     /* check for locale support */
 193     if (!XSupportsLocale())
 194         g_message(_("X server does not support locale."));
 195     if (!XSetLocaleModifiers(""))
 196         g_message(_("Cannot set locale modifiers for the X server."));
 197
 198     /* set the DISPLAY environment variable for any lauched children, to the
 199        display we're using, so they open in the right place. */
 200     setenv("DISPLAY", DisplayString(obt_display), TRUE);
 201
 202     /* create available cursors */
 203     cursors[OB_CURSOR_NONE] = None;
 204     cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
 205     cursors[OB_CURSOR_BUSYPOINTER] = load_cursor("left_ptr_watch",XC_left_ptr);
 206     cursors[OB_CURSOR_BUSY] = load_cursor("watch", XC_watch);
 207     cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur);
 208     cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side);
 209     cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner",
 210                                                XC_top_right_corner);
 211     cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side);
 212     cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner",
 213                                                XC_bottom_right_corner);
 214     cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side);
 215     cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner",
 216                                                XC_bottom_left_corner);
 217     cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side);
 218     cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner",
 219                                                XC_top_left_corner);
 220
 221     if (screen_annex()) { /* it will be ours! */
 222
 223         /* get a timestamp from after taking over as the WM.  if we use the
 224            old timestamp to set focus it can fail when replacing another WM. */
 225         event_reset_time();
 226
 227         do {
 228             ObPrompt *xmlprompt = NULL;
 229
 230             if (reconfigure) obt_keyboard_reload();
 231
 232             {
 233                 ObtXmlInst *i;
 234
 235                 /* startup the parsing so everything can register sections
 236                    of the rc */
 237                 i = obt_xml_instance_new();
 238
 239                 /* register all the available actions */
 240                 actions_startup(reconfigure);
 241                 /* start up config which sets up with the parser */
 242                 config_startup(i);
 243
 244                 /* parse/load user options */
 245                 if ((config_file &&
 246                      obt_xml_load_file(i, config_file, "openbox_config")) ||
 247                     obt_xml_load_config_file(i, "openbox", "rc.xml",
 248                                              "openbox_config"))
 249                 {
 250                     obt_xml_tree_from_root(i);
 251                     obt_xml_close(i);
 252                 }
 253                 else {
 254                     g_message(_("Unable to find a valid config file, using some simple defaults"));
 255                     config_file = NULL;
 256                 }
 257
 258                 if (config_file) {
 259                     gchar *p = g_filename_to_utf8(config_file, -1,
 260                                                   NULL, NULL, NULL);
 261                     if (p)
 262                         OBT_PROP_SETS(obt_root(ob_screen), OB_CONFIG_FILE,
 263                                       utf8, p);
 264                     g_free(p);
 265                 }
 266                 else
 267                     OBT_PROP_ERASE(obt_root(ob_screen), OB_CONFIG_FILE);
 268
 269                 /* we're done with parsing now, kill it */
 270                 obt_xml_instance_unref(i);
 271             }
 272
 273             /* load the theme specified in the rc file */
 274             {
 275                 RrTheme *theme;
 276                 if ((theme = RrThemeNew(ob_rr_inst, config_theme, TRUE,
 277                                         config_font_activewindow,
 278                                         config_font_inactivewindow,
 279                                         config_font_menutitle,
 280                                         config_font_menuitem,
 281                                         config_font_activeosd,
 282                                         config_font_inactiveosd)))
 283                 {
 284                     RrThemeFree(ob_rr_theme);
 285                     ob_rr_theme = theme;
 286                 }
 287                 if (ob_rr_theme == NULL)
 288                     ob_exit_with_error(_("Unable to load a theme."));
 289
 290                 OBT_PROP_SETS(obt_root(ob_screen),
 291                               OB_THEME, utf8, ob_rr_theme->name);
 292             }
 293
 294             if (reconfigure) {
 295                 GList *it;
 296
 297                 /* update all existing windows for the new theme */
 298                 for (it = client_list; it; it = g_list_next(it)) {
 299                     ObClient *c = it->data;
 300                     frame_adjust_theme(c->frame);
 301                 }
 302             }
 303             event_startup(reconfigure);
 304             /* focus_backup is used for stacking, so this needs to come before
 305                anything that calls stacking_add */
 306             sn_startup(reconfigure);
 307             stacking_startup(reconfigure);
 308             window_startup(reconfigure);
 309             composite_startup(reconfigure);
 310             focus_startup(reconfigure);
 311             screen_startup(reconfigure);
 312             focus_cycle_startup(reconfigure);
 313             focus_cycle_indicator_startup(reconfigure);
 314             focus_cycle_popup_startup(reconfigure);
 315             grab_startup(reconfigure);
 316             group_startup(reconfigure);
 317             ping_startup(reconfigure);
 318             client_startup(reconfigure);
 319             dock_startup(reconfigure);
 320             moveresize_startup(reconfigure);
 321             keyboard_startup(reconfigure);
 322             mouse_startup(reconfigure);
 323             menu_frame_startup(reconfigure);
 324             menu_startup(reconfigure);
 325             prompt_startup(reconfigure);
 326
 327             /* turn compositing on/off */
 328             if (!config_comp)
 329                 composite_disable();
 330             else
 331                 config_comp = composite_enable();
 332
 333             /* do this after everything is started so no events will get
 334                missed */
 335             xqueue_listen();
 336
 337             if (!reconfigure) {
 338                 guint32 xid;
 339                 ObWindow *w;
 340
 341                 /* get all the existing windows */
 342                 window_manage_all();
 343
 344                 /* focus what was focused if a wm was already running */
 345                 if (OBT_PROP_GET32(obt_root(ob_screen),
 346                                    NET_ACTIVE_WINDOW, WINDOW, &xid) &&
 347                     (w = window_find(xid)) && 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             ob_set_state(OB_STATE_RUNNING);
 371
 372             if (startup_cmd) run_startup_cmd();
 373
 374             /* look for parsing errors */
 375             {
 376                 xmlErrorPtr e = xmlGetLastError();
 377                 if (e) {
 378                     gchar *m;
 379
 380                     m = g_strdup_printf(_("One or more XML syntax errors were found while parsing the Openbox configuration files.  See stdout for more information.  The last error seen was in file \"%s\" line %d, with message: %s"), e->file, e->line, e->message);
 381                     xmlprompt =
 382                         prompt_show_message(m, _("Openbox Syntax Error"), _("Close"));
 383                     g_free(m);
 384                     xmlResetError(e);
 385                 }
 386             }
 387
 388             g_main_loop_run(ob_main_loop);
 389             ob_set_state(reconfigure ?
 390                          OB_STATE_RECONFIGURING : OB_STATE_EXITING);
 391
 392             if (xmlprompt) {
 393                 prompt_unref(xmlprompt);
 394                 xmlprompt = NULL;
 395             }
 396
 397             if (!reconfigure)
 398                 window_unmanage_all();
 399
 400             prompt_shutdown(reconfigure);
 401             menu_shutdown(reconfigure);
 402             menu_frame_shutdown(reconfigure);
 403             mouse_shutdown(reconfigure);
 404             keyboard_shutdown(reconfigure);
 405             moveresize_shutdown(reconfigure);
 406             dock_shutdown(reconfigure);
 407             client_shutdown(reconfigure);
 408             ping_shutdown(reconfigure);
 409             group_shutdown(reconfigure);
 410             grab_shutdown(reconfigure);
 411             focus_cycle_popup_shutdown(reconfigure);
 412             focus_cycle_indicator_shutdown(reconfigure);
 413             focus_cycle_shutdown(reconfigure);
 414             screen_shutdown(reconfigure);
 415             focus_shutdown(reconfigure);
 416             composite_shutdown(reconfigure);
 417             window_shutdown(reconfigure);
 418             stacking_shutdown(reconfigure);
 419             sn_shutdown(reconfigure);
 420             event_shutdown(reconfigure);
 421             config_shutdown();
 422             actions_shutdown(reconfigure);
 423         } while (reconfigure);
 424     }
 425
 426     XSync(obt_display, FALSE);
 427
 428     RrThemeFree(ob_rr_theme);
 429     RrImageCacheUnref(ob_rr_icons);
 430     RrInstanceFree(ob_rr_inst);
 431
 432     session_shutdown(being_replaced);
 433
 434     obt_display_close();
 435
 436     if (restart) {
 437         ob_debug_shutdown();
 438         if (restart_path != NULL) {
 439             gint argcp;
 440             gchar **argvp;
 441             GError *err = NULL;
 442
 443             /* run other window manager */
 444             if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
 445                 execvp(argvp[0], argvp);
 446                 g_strfreev(argvp);
 447             } else {
 448                 g_message(
 449                     _("Restart failed to execute new executable \"%s\": %s"),
 450                     restart_path, err->message);
 451                 g_error_free(err);
 452             }
 453         }
 454
 455         /* we remove the session arguments from argv, so put them back,
 456            also don't restore the session on restart */
 457         if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
 458             gchar **nargv;
 459             gint i, l;
 460
 461             l = argc + 1 +
 462                 (ob_sm_save_file != NULL ? 2 : 0) +
 463                 (ob_sm_id != NULL ? 2 : 0);
 464             nargv = g_new0(gchar*, l+1);
 465             for (i = 0; i < argc; ++i)
 466                 nargv[i] = argv[i];
 467
 468             if (ob_sm_save_file != NULL) {
 469                 nargv[i++] = g_strdup("--sm-save-file");
 470                 nargv[i++] = ob_sm_save_file;
 471             }
 472             if (ob_sm_id != NULL) {
 473                 nargv[i++] = g_strdup("--sm-client-id");
 474                 nargv[i++] = ob_sm_id;
 475             }
 476             nargv[i++] = g_strdup("--sm-no-load");
 477             g_assert(i == l);
 478             argv = nargv;
 479         }
 480
 481         /* re-run me */
 482         execvp(argv[0], argv); /* try how we were run */
 483         execlp(argv[0], program_name, (gchar*)NULL); /* last resort */
 484     }
 485
 486     /* free stuff passed in from the command line or environment */
 487     g_free(ob_sm_save_file);
 488     g_free(ob_sm_id);
 489     g_free(program_name);
 490
 491     if (!restart)
 492         ob_debug_shutdown();
 493
 494     return exitcode;
 495 }
 496
 497 static void signal_handler(gint signal, gpointer data)
 498 {
 499     switch (signal) {
 500     case SIGUSR1:
 501         ob_debug("Caught signal %d. Restarting.", signal);
 502         ob_restart();
 503         break;
 504     case SIGUSR2:
 505         ob_debug("Caught signal %d. Reconfiguring.", signal);
 506         ob_reconfigure();
 507         break;
 508     case SIGCHLD:
 509         /* reap children */
 510         while (waitpid(-1, NULL, WNOHANG) > 0);
 511         break;
 512     case SIGTTIN:
 513     case SIGTTOU:
 514         ob_debug("Caught signal %d. Ignoring.", signal);
 515         break;
 516     default:
 517         ob_debug("Caught signal %d. Exiting.", signal);
 518         /* TERM and INT return a 0 code */
 519         ob_exit(!(signal == SIGTERM || signal == SIGINT));
 520     }
 521 }
 522
 523 static void print_version(void)
 524 {
 525     g_print("Openbox %s\n", PACKAGE_VERSION);
 526     g_print(_("Copyright (c)"));
 527     g_print(" 2008        Mikael Magnusson\n");
 528     g_print(_("Copyright (c)"));
 529     g_print(" 2003-2006   Dana Jansens\n\n");
 530     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
 531     g_print("This is free software, and you are welcome to redistribute it\n");
 532     g_print("under certain conditions. See the file COPYING for details.\n\n");
 533 }
 534
 535 static void print_help(void)
 536 {
 537     g_print(_("Syntax: openbox [options]\n"));
 538     g_print(_("\nOptions:\n"));
 539     g_print(_("  --help              Display this help and exit\n"));
 540     g_print(_("  --version           Display the version and exit\n"));
 541     g_print(_("  --replace           Replace the currently running window manager\n"));
 542     /* TRANSLATORS: if you translate "FILE" here, make sure to keep the "Specify..."
 543        aligned still, if you have to, make a new line with \n and 22 spaces. It's
 544        fine to leave it as FILE though. */
 545     g_print(_("  --config-file FILE  Specify the path to the config file to use\n"));
 546     g_print(_("  --sm-disable        Disable connection to the session manager\n"));
 547     g_print(_("  --indirect          Use indirect rendering for composite\n"));
 548     g_print(_("\nPassing messages to a running Openbox instance:\n"));
 549     g_print(_("  --reconfigure       Reload Openbox's configuration\n"));
 550     g_print(_("  --restart           Restart Openbox\n"));
 551     g_print(_("  --exit              Exit Openbox\n"));
 552     g_print(_("\nDebugging options:\n"));
 553     g_print(_("  --sync              Run in synchronous mode\n"));
 554     g_print(_("  --startup CMD       Run CMD after starting\n"));
 555     g_print(_("  --debug             Display debugging output\n"));
 556     g_print(_("  --debug-focus       Display debugging output for focus handling\n"));
 557     g_print(_("  --debug-session     Display debugging output for session management\n"));
 558     g_print(_("  --debug-xinerama    Split the display into fake xinerama screens\n"));
 559     g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
 560 }
 561
 562 static void remove_args(gint *argc, gchar **argv, gint index, gint num)
 563 {
 564     gint i;
 565
 566     for (i = index; i < *argc - num; ++i)
 567         argv[i] = argv[i+num];
 568     for (; i < *argc; ++i)
 569         argv[i] = NULL;
 570     *argc -= num;
 571 }
 572
 573 static void run_startup_cmd(void)
 574 {
 575     gchar **argv = NULL;
 576     GError *e = NULL;
 577     gboolean ok;
 578
 579     if (!g_shell_parse_argv(startup_cmd, NULL, &argv, &e)) {
 580         g_message("Error parsing startup command: %s",
 581                   e->message);
 582         g_error_free(e);
 583         e = NULL;
 584     }
 585     ok = g_spawn_async(NULL, argv, NULL,
 586                        G_SPAWN_SEARCH_PATH |
 587                        G_SPAWN_DO_NOT_REAP_CHILD,
 588                        NULL, NULL, NULL, &e);
 589     if (!g_shell_parse_argv(startup_cmd, NULL, &argv, &e)) {
 590         g_message("Error launching startup command: %s",
 591                   e->message);
 592         g_error_free(e);
 593         e = NULL;
 594     }
 595 }
 596
 597 static void parse_env(void)
 598 {
 599     const gchar *id;
 600
 601     /* unset this so we don't pass it on unknowingly */
 602     unsetenv("DESKTOP_STARTUP_ID");
 603
 604     /* this is how gnome-session passes in a session client id */
 605     id = g_getenv("DESKTOP_AUTOSTART_ID");
 606     if (id) {
 607         unsetenv("DESKTOP_AUTOSTART_ID");
 608         if (ob_sm_id) g_free(ob_sm_id);
 609         ob_sm_id = g_strdup(id);
 610         ob_debug_type(OB_DEBUG_SM,
 611                       "DESKTOP_AUTOSTART_ID %s supercedes --sm-client-id\n",
 612                       ob_sm_id);
 613     }
 614 }
 615
 616 static void parse_args(gint *argc, gchar **argv)
 617 {
 618     gint i;
 619
 620     for (i = 1; i < *argc; ++i) {
 621         if (!strcmp(argv[i], "--version")) {
 622             print_version();
 623             exit(0);
 624         }
 625         else if (!strcmp(argv[i], "--help")) {
 626             print_help();
 627             exit(0);
 628         }
 629         else if (!strcmp(argv[i], "--g-fatal-warnings")) {
 630             g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
 631         }
 632         else if (!strcmp(argv[i], "--replace")) {
 633             ob_replace_wm = TRUE;
 634             remove_args(argc, argv, i, 1);
 635             --i; /* this arg was removed so go back */
 636         }
 637         else if (!strcmp(argv[i], "--sync")) {
 638             xsync = TRUE;
 639         }
 640         else if (!strcmp(argv[i], "--startup")) {
 641             if (i == *argc - 1) /* no args left */
 642                 g_printerr(_("--startup requires an argument\n"));
 643             else {
 644                 /* this will be in the current locale encoding, which is
 645                    what we want */
 646                 startup_cmd = argv[i+1];
 647                 remove_args(argc, argv, i, 2);
 648                 --i; /* this arg was removed so go back */
 649                 ob_debug("--startup %s", startup_cmd);
 650             }
 651         }
 652         else if (!strcmp(argv[i], "--debug")) {
 653             ob_debug_enable(OB_DEBUG_NORMAL, TRUE);
 654             ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
 655         }
 656         else if (!strcmp(argv[i], "--debug-focus")) {
 657             ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
 658         }
 659         else if (!strcmp(argv[i], "--debug-session")) {
 660             ob_debug_enable(OB_DEBUG_SM, TRUE);
 661         }
 662         else if (!strcmp(argv[i], "--debug-xinerama")) {
 663             ob_debug_xinerama = TRUE;
 664         }
 665         else if (!strcmp(argv[i], "--indirect")) {
 666             ob_comp_indirect = TRUE;
 667         }
 668         else if (!strcmp(argv[i], "--reconfigure")) {
 669             remote_control = 1;
 670         }
 671         else if (!strcmp(argv[i], "--restart")) {
 672             remote_control = 2;
 673         }
 674         else if (!strcmp(argv[i], "--exit")) {
 675             remote_control = 3;
 676         }
 677         else if (!strcmp(argv[i], "--config-file")) {
 678             if (i == *argc - 1) /* no args left */
 679                 g_printerr(_("--config-file requires an argument\n"));
 680             else {
 681                 /* this will be in the current locale encoding, which is
 682                    what we want */
 683                 config_file = argv[i+1];
 684                 ++i; /* skip the argument */
 685                 ob_debug("--config-file %s", config_file);
 686             }
 687         }
 688         else if (!strcmp(argv[i], "--sm-save-file")) {
 689             if (i == *argc - 1) /* no args left */
 690                 /* not translated cuz it's sekret */
 691                 g_printerr("--sm-save-file requires an argument\n");
 692             else {
 693                 ob_sm_save_file = g_strdup(argv[i+1]);
 694                 remove_args(argc, argv, i, 2);
 695                 --i; /* this arg was removed so go back */
 696                 ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s",
 697                               ob_sm_save_file);
 698             }
 699         }
 700         else if (!strcmp(argv[i], "--sm-client-id")) {
 701             if (i == *argc - 1) /* no args left */
 702                 /* not translated cuz it's sekret */
 703                 g_printerr("--sm-client-id requires an argument\n");
 704             else {
 705                 ob_sm_id = g_strdup(argv[i+1]);
 706                 remove_args(argc, argv, i, 2);
 707                 --i; /* this arg was removed so go back */
 708                 ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s", ob_sm_id);
 709             }
 710         }
 711         else if (!strcmp(argv[i], "--sm-disable")) {
 712             ob_sm_use = FALSE;
 713         }
 714         else if (!strcmp(argv[i], "--sm-no-load")) {
 715             ob_sm_restore = FALSE;
 716             remove_args(argc, argv, i, 1);
 717             --i; /* this arg was removed so go back */
 718         }
 719         else {
 720             /* this is a memleak.. oh well.. heh */
 721             gchar *err = g_strdup_printf
 722                 (_("Invalid command line argument \"%s\"\n"), argv[i]);
 723             ob_exit_with_error(err);
 724         }
 725     }
 726 }
 727
 728 static Cursor load_cursor(const gchar *name, guint fontval)
 729 {
 730     Cursor c = None;
 731
 732 #if USE_XCURSOR
 733     c = XcursorLibraryLoadCursor(obt_display, name);
 734 #endif
 735     if (c == None)
 736         c = XCreateFontCursor(obt_display, fontval);
 737     return c;
 738 }
 739
 740 void ob_exit_with_error(const gchar *msg)
 741 {
 742     g_message("%s", msg);
 743     session_shutdown(TRUE);
 744     exit(EXIT_FAILURE);
 745 }
 746
 747 void ob_restart_other(const gchar *path)
 748 {
 749     restart_path = g_strdup(path);
 750     ob_restart();
 751 }
 752
 753 void ob_restart(void)
 754 {
 755     restart = TRUE;
 756     ob_exit(0);
 757 }
 758
 759 void ob_reconfigure(void)
 760 {
 761     reconfigure = TRUE;
 762     ob_exit(0);
 763 }
 764
 765 void ob_exit(gint code)
 766 {
 767     exitcode = code;
 768     g_main_loop_quit(ob_main_loop);
 769 }
 770
 771 void ob_exit_replace(void)
 772 {
 773     exitcode = 0;
 774     being_replaced = TRUE;
 775     g_main_loop_quit(ob_main_loop);
 776 }
 777
 778 Cursor ob_cursor(ObCursor cursor)
 779 {
 780     g_assert(cursor < OB_NUM_CURSORS);
 781     return cursors[cursor];
 782 }
 783
 784 ObState ob_state(void)
 785 {
 786     return state;
 787 }
 788
 789 void ob_set_state(ObState s)
 790 {
 791     state = s;
 792 }