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 "mouse.h"
  39 #include "menuframe.h"
  40 #include "grab.h"
  41 #include "group.h"
  42 #include "config.h"
  43 #include "ping.h"
  44 #include "prompt.h"
  45 #include "composite.h"
  46 #include "gettext.h"
  47 #include "obrender/render.h"
  48 #include "obrender/theme.h"
  49 #include "obt/display.h"
  50 #include "obt/xqueue.h"
  51 #include "obt/prop.h"
  52 #include "obt/keyboard.h"
  53 #include "obt/xml.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 RrInstance   *ob_rr_inst;
  86 RrImageCache *ob_rr_icons;
  87 RrTheme      *ob_rr_theme;
  88 GMainLoop    *ob_main_loop;
  89 gint          ob_screen;
  90 gboolean      ob_replace_wm = FALSE;
  91 gboolean      ob_sm_use = TRUE;
  92 gchar        *ob_sm_id = NULL;
  93 gchar        *ob_sm_save_file = NULL;
  94 gboolean      ob_sm_restore = TRUE;
  95 gboolean      ob_debug_xinerama = FALSE;
  96 gboolean      ob_comp_indirect = FALSE;
  97 const gchar  *ob_locale_msg = NULL;
  98
  99 static ObState   state;
 100 static gboolean  xsync = FALSE;
 101 static gboolean  reconfigure = FALSE;
 102 static gboolean  restart = FALSE;
 103 static gchar    *restart_path = NULL;
 104 static Cursor    cursors[OB_NUM_CURSORS];
 105 static gint      exitcode = 0;
 106 static guint     remote_control = 0;
 107 static gboolean  being_replaced = FALSE;
 108 static gchar    *config_file = NULL;
 109 static gchar    *startup_cmd = NULL;
 110
 111 static void signal_handler(gint signal, gpointer data);
 112 static void remove_args(gint *argc, gchar **argv, gint index, gint num);
 113 static void parse_env();
 114 static void parse_args(gint *argc, gchar **argv);
 115 static Cursor load_cursor(const gchar *name, guint fontval);
 116 static void run_startup_cmd(void);
 117
 118 gint main(gint argc, gchar **argv)
 119 {
 120     gchar *program_name;
 121
 122     ob_set_state(OB_STATE_STARTING);
 123
 124     ob_debug_startup();
 125     ob_debug_enable(OB_DEBUG_CM, TRUE); /* composite debug enabled by default
 126                                            for now */
 127
 128     /* initialize the locale */
 129     if (!(ob_locale_msg = setlocale(LC_MESSAGES, "")))
 130         g_message("Couldn't set messages locale category from environment.");
 131     if (!setlocale(LC_ALL, ""))
 132         g_message("Couldn't set locale from environment.");
 133     bindtextdomain(PACKAGE_NAME, LOCALEDIR);
 134     bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
 135     textdomain(PACKAGE_NAME);
 136
 137     if (chdir(g_get_home_dir()) == -1)
 138         g_message(_("Unable to change to home directory \"%s\": %s"),
 139                   g_get_home_dir(), g_strerror(errno));
 140
 141     /* parse the command line args, which can change the argv[0] */
 142     parse_args(&argc, argv);
 143     /* parse the environment variables */
 144     parse_env();
 145
 146     program_name = g_path_get_basename(argv[0]);
 147     g_set_prgname(program_name);
 148
 149     if (!remote_control)
 150         session_startup(argc, argv);
 151
 152     if (!obt_display_open(NULL))
 153         ob_exit_with_error(_("Failed to open the display from the DISPLAY environment variable."));
 154
 155     if (remote_control) {
 156         /* Send client message telling the OB process to:
 157          * remote_control = 1 -> reconfigure
 158          * remote_control = 2 -> restart */
 159         OBT_PROP_MSG(ob_screen, obt_root(ob_screen),
 160                      OB_CONTROL, remote_control, 0, 0, 0, 0);
 161         obt_display_close();
 162         exit(EXIT_SUCCESS);
 163     }
 164
 165     ob_main_loop = g_main_loop_new(NULL, FALSE);
 166
 167     /* set up signal handler */
 168 //  obt_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL,NULL);
 169 //  obt_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL,NULL);
 170 //  obt_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL,NULL);
 171 //  obt_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler,  NULL,NULL);
 172 //  obt_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler,  NULL,NULL);
 173 //  obt_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL,NULL);
 174 //  obt_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL,NULL);
 175 //  obt_main_loop_signal_add(ob_main_loop, SIGTTIN, signal_handler, NULL,NULL);
 176 //  obt_main_loop_signal_add(ob_main_loop, SIGTTOU, signal_handler, NULL,NULL);
 177
 178     ob_screen = DefaultScreen(obt_display);
 179
 180     ob_rr_inst = RrInstanceNew(obt_display, ob_screen);
 181     if (ob_rr_inst == NULL)
 182         ob_exit_with_error(_("Failed to initialize the obrender library."));
 183     /* Saving 3 resizes of an RrImage makes a lot of sense for icons, as there
 184        are generally 3 icon sizes needed: the titlebar icon, the menu icon,
 185        and the alt-tab icon
 186     */
 187     ob_rr_icons = RrImageCacheNew(3);
 188
 189     XSynchronize(obt_display, xsync);
 190
 191     /* check for locale support */
 192     if (!XSupportsLocale())
 193         g_message(_("X server does not support locale."));
 194     if (!XSetLocaleModifiers(""))
 195         g_message(_("Cannot set locale modifiers for the X server."));
 196
 197     /* set the DISPLAY environment variable for any lauched children, to the
 198        display we're using, so they open in the right place. */
 199     setenv("DISPLAY", DisplayString(obt_display), TRUE);
 200
 201     /* create available cursors */
 202     cursors[OB_CURSOR_NONE] = None;
 203     cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
 204     cursors[OB_CURSOR_BUSYPOINTER] = load_cursor("left_ptr_watch",XC_left_ptr);
 205     cursors[OB_CURSOR_BUSY] = load_cursor("watch", XC_watch);
 206     cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur);
 207     cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side);
 208     cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner",
 209                                                XC_top_right_corner);
 210     cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side);
 211     cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner",
 212                                                XC_bottom_right_corner);
 213     cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side);
 214     cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner",
 215                                                XC_bottom_left_corner);
 216     cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side);
 217     cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner",
 218                                                XC_top_left_corner);
 219
 220     if (screen_annex()) { /* it will be ours! */
 221
 222         /* get a timestamp from after taking over as the WM.  if we use the
 223            old timestamp to set focus it can fail when replacing another WM. */
 224         event_reset_time();
 225
 226         do {
 227             ObPrompt *xmlprompt = NULL;
 228
 229             if (reconfigure) obt_keyboard_reload();
 230
 231             {
 232                 ObtXmlInst *i;
 233
 234                 /* startup the parsing so everything can register sections
 235                    of the rc */
 236                 i = obt_xml_instance_new();
 237
 238                 /* register all the available actions */
 239                 actions_startup(reconfigure);
 240                 /* start up config which sets up with the parser */
 241                 config_startup(i);
 242
 243                 /* parse/load user options */
 244                 if ((config_file &&
 245                      obt_xml_load_file(i, config_file, "openbox_config")) ||
 246                     obt_xml_load_config_file(i, "openbox", "rc.xml",
 247                                              "openbox_config"))
 248                 {
 249                     obt_xml_tree_from_root(i);
 250                     obt_xml_close(i);
 251                 }
 252                 else {
 253                     g_message(_("Unable to find a valid config file, using some simple defaults"));
 254                     config_file = NULL;
 255                 }
 256
 257                 if (config_file) {
 258                     gchar *p = g_filename_to_utf8(config_file, -1,
 259                                                   NULL, NULL, NULL);
 260                     if (p)
 261                         OBT_PROP_SETS(obt_root(ob_screen), OB_CONFIG_FILE,
 262                                       utf8, p);
 263                     g_free(p);
 264                 }
 265                 else
 266                     OBT_PROP_ERASE(obt_root(ob_screen), OB_CONFIG_FILE);
 267
 268                 /* we're done with parsing now, kill it */
 269                 obt_xml_instance_unref(i);
 270             }
 271
 272             /* load the theme specified in the rc file */
 273             {
 274                 RrTheme *theme;
 275                 if ((theme = RrThemeNew(ob_rr_inst, config_theme, TRUE,
 276                                         config_font_activewindow,
 277                                         config_font_inactivewindow,
 278                                         config_font_menutitle,
 279                                         config_font_menuitem,
 280                                         config_font_activeosd,
 281                                         config_font_inactiveosd)))
 282                 {
 283                     RrThemeFree(ob_rr_theme);
 284                     ob_rr_theme = theme;
 285                 }
 286                 if (ob_rr_theme == NULL)
 287                     ob_exit_with_error(_("Unable to load a theme."));
 288
 289                 OBT_PROP_SETS(obt_root(ob_screen),
 290                               OB_THEME, utf8, ob_rr_theme->name);
 291             }
 292
 293             if (reconfigure) {
 294                 GList *it;
 295
 296                 /* update all existing windows for the new theme */
 297                 for (it = client_list; it; it = g_list_next(it)) {
 298                     ObClient *c = it->data;
 299                     frame_adjust_theme(c->frame);
 300                 }
 301             }
 302             event_startup(reconfigure);
 303             /* focus_backup is used for stacking, so this needs to come before
 304                anything that calls stacking_add */
 305             sn_startup(reconfigure);
 306             window_startup(reconfigure);
 307             composite_startup(reconfigure);
 308             focus_startup(reconfigure);
 309             screen_startup(reconfigure);
 310             focus_cycle_startup(reconfigure);
 311             focus_cycle_indicator_startup(reconfigure);
 312             focus_cycle_popup_startup(reconfigure);
 313             grab_startup(reconfigure);
 314             group_startup(reconfigure);
 315             ping_startup(reconfigure);
 316             client_startup(reconfigure);
 317             dock_startup(reconfigure);
 318             moveresize_startup(reconfigure);
 319             keyboard_startup(reconfigure);
 320             mouse_startup(reconfigure);
 321             menu_frame_startup(reconfigure);
 322             menu_startup(reconfigure);
 323             prompt_startup(reconfigure);
 324
 325             /* turn compositing on/off */
 326             if (!config_comp)
 327                 composite_disable();
 328             else
 329                 config_comp = composite_enable();
 330
 331             /* do this after everything is started so no events will get
 332                missed */
 333             xqueue_listen();
 334
 335             if (!reconfigure) {
 336                 guint32 xid;
 337                 ObWindow *w;
 338
 339                 /* get all the existing windows */
 340                 window_manage_all();
 341
 342                 /* focus what was focused if a wm was already running */
 343                 if (OBT_PROP_GET32(obt_root(ob_screen),
 344                                    NET_ACTIVE_WINDOW, WINDOW, &xid) &&
 345                     (w = window_find(xid)) && WINDOW_IS_CLIENT(w))
 346                 {
 347                     client_focus(WINDOW_AS_CLIENT(w));
 348                 }
 349             } else {
 350                 GList *it;
 351
 352                 /* redecorate all existing windows */
 353                 for (it = client_list; it; it = g_list_next(it)) {
 354                     ObClient *c = it->data;
 355
 356                     /* the new config can change the window's decorations */
 357                     client_setup_decor_and_functions(c, FALSE);
 358                     /* redraw the frames */
 359                     frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
 360                     /* the decor sizes may have changed, so the windows may
 361                        end up in new positions */
 362                     client_reconfigure(c, FALSE);
 363                 }
 364             }
 365
 366             reconfigure = FALSE;
 367
 368             ob_set_state(OB_STATE_RUNNING);
 369
 370             if (startup_cmd) run_startup_cmd();
 371
 372             /* look for parsing errors */
 373             {
 374                 xmlErrorPtr e = xmlGetLastError();
 375                 if (e) {
 376                     gchar *m;
 377
 378                     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);
 379                     xmlprompt =
 380                         prompt_show_message(m, _("Openbox Syntax Error"), _("Close"));
 381                     g_free(m);
 382                     xmlResetError(e);
 383                 }
 384             }
 385
 386             g_main_loop_run(ob_main_loop);
 387             ob_set_state(reconfigure ?
 388                          OB_STATE_RECONFIGURING : OB_STATE_EXITING);
 389
 390             if (xmlprompt) {
 391                 prompt_unref(xmlprompt);
 392                 xmlprompt = NULL;
 393             }
 394
 395             if (!reconfigure)
 396                 window_unmanage_all();
 397
 398             prompt_shutdown(reconfigure);
 399             menu_shutdown(reconfigure);
 400             menu_frame_shutdown(reconfigure);
 401             mouse_shutdown(reconfigure);
 402             keyboard_shutdown(reconfigure);
 403             moveresize_shutdown(reconfigure);
 404             dock_shutdown(reconfigure);
 405             client_shutdown(reconfigure);
 406             ping_shutdown(reconfigure);
 407             group_shutdown(reconfigure);
 408             grab_shutdown(reconfigure);
 409             focus_cycle_popup_shutdown(reconfigure);
 410             focus_cycle_indicator_shutdown(reconfigure);
 411             focus_cycle_shutdown(reconfigure);
 412             screen_shutdown(reconfigure);
 413             focus_shutdown(reconfigure);
 414             composite_shutdown(reconfigure);
 415             window_shutdown(reconfigure);
 416             sn_shutdown(reconfigure);
 417             event_shutdown(reconfigure);
 418             config_shutdown();
 419             actions_shutdown(reconfigure);
 420         } while (reconfigure);
 421     }
 422
 423     XSync(obt_display, FALSE);
 424
 425     RrThemeFree(ob_rr_theme);
 426     RrImageCacheUnref(ob_rr_icons);
 427     RrInstanceFree(ob_rr_inst);
 428
 429     session_shutdown(being_replaced);
 430
 431     obt_display_close();
 432
 433     if (restart) {
 434         ob_debug_shutdown();
 435         if (restart_path != NULL) {
 436             gint argcp;
 437             gchar **argvp;
 438             GError *err = NULL;
 439
 440             /* run other window manager */
 441             if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
 442                 execvp(argvp[0], argvp);
 443                 g_strfreev(argvp);
 444             } else {
 445                 g_message(
 446                     _("Restart failed to execute new executable \"%s\": %s"),
 447                     restart_path, err->message);
 448                 g_error_free(err);
 449             }
 450         }
 451
 452         /* we remove the session arguments from argv, so put them back,
 453            also don't restore the session on restart */
 454         if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
 455             gchar **nargv;
 456             gint i, l;
 457
 458             l = argc + 1 +
 459                 (ob_sm_save_file != NULL ? 2 : 0) +
 460                 (ob_sm_id != NULL ? 2 : 0);
 461             nargv = g_new0(gchar*, l+1);
 462             for (i = 0; i < argc; ++i)
 463                 nargv[i] = argv[i];
 464
 465             if (ob_sm_save_file != NULL) {
 466                 nargv[i++] = g_strdup("--sm-save-file");
 467                 nargv[i++] = ob_sm_save_file;
 468             }
 469             if (ob_sm_id != NULL) {
 470                 nargv[i++] = g_strdup("--sm-client-id");
 471                 nargv[i++] = ob_sm_id;
 472             }
 473             nargv[i++] = g_strdup("--sm-no-load");
 474             g_assert(i == l);
 475             argv = nargv;
 476         }
 477
 478         /* re-run me */
 479         execvp(argv[0], argv); /* try how we were run */
 480         execlp(argv[0], program_name, (gchar*)NULL); /* last resort */
 481     }
 482
 483     /* free stuff passed in from the command line or environment */
 484     g_free(ob_sm_save_file);
 485     g_free(ob_sm_id);
 486     g_free(program_name);
 487
 488     if (!restart)
 489         ob_debug_shutdown();
 490
 491     return exitcode;
 492 }
 493
 494 static void signal_handler(gint signal, gpointer data)
 495 {
 496     switch (signal) {
 497     case SIGUSR1:
 498         ob_debug("Caught signal %d. Restarting.", signal);
 499         ob_restart();
 500         break;
 501     case SIGUSR2:
 502         ob_debug("Caught signal %d. Reconfiguring.", signal);
 503         ob_reconfigure();
 504         break;
 505     case SIGCHLD:
 506         /* reap children */
 507         while (waitpid(-1, NULL, WNOHANG) > 0);
 508         break;
 509     case SIGTTIN:
 510     case SIGTTOU:
 511         ob_debug("Caught signal %d. Ignoring.", signal);
 512         break;
 513     default:
 514         ob_debug("Caught signal %d. Exiting.", signal);
 515         /* TERM and INT return a 0 code */
 516         ob_exit(!(signal == SIGTERM || signal == SIGINT));
 517     }
 518 }
 519
 520 static void print_version(void)
 521 {
 522     g_print("Openbox %s\n", PACKAGE_VERSION);
 523     g_print(_("Copyright (c)"));
 524     g_print(" 2008        Mikael Magnusson\n");
 525     g_print(_("Copyright (c)"));
 526     g_print(" 2003-2006   Dana Jansens\n\n");
 527     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
 528     g_print("This is free software, and you are welcome to redistribute it\n");
 529     g_print("under certain conditions. See the file COPYING for details.\n\n");
 530 }
 531
 532 static void print_help(void)
 533 {
 534     g_print(_("Syntax: openbox [options]\n"));
 535     g_print(_("\nOptions:\n"));
 536     g_print(_("  --help              Display this help and exit\n"));
 537     g_print(_("  --version           Display the version and exit\n"));
 538     g_print(_("  --replace           Replace the currently running window manager\n"));
 539     /* TRANSLATORS: if you translate "FILE" here, make sure to keep the "Specify..."
 540        aligned still, if you have to, make a new line with \n and 22 spaces. It's
 541        fine to leave it as FILE though. */
 542     g_print(_("  --config-file FILE  Specify the path to the config file to use\n"));
 543     g_print(_("  --sm-disable        Disable connection to the session manager\n"));
 544     g_print(_("  --indirect          Use indirect rendering for composite\n"));
 545     g_print(_("\nPassing messages to a running Openbox instance:\n"));
 546     g_print(_("  --reconfigure       Reload Openbox's configuration\n"));
 547     g_print(_("  --restart           Restart Openbox\n"));
 548     g_print(_("  --exit              Exit Openbox\n"));
 549     g_print(_("\nDebugging options:\n"));
 550     g_print(_("  --sync              Run in synchronous mode\n"));
 551     g_print(_("  --startup CMD       Run CMD after starting\n"));
 552     g_print(_("  --debug             Display debugging output\n"));
 553     g_print(_("  --debug-focus       Display debugging output for focus handling\n"));
 554     g_print(_("  --debug-session     Display debugging output for session management\n"));
 555     g_print(_("  --debug-xinerama    Split the display into fake xinerama screens\n"));
 556     g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
 557 }
 558
 559 static void remove_args(gint *argc, gchar **argv, gint index, gint num)
 560 {
 561     gint i;
 562
 563     for (i = index; i < *argc - num; ++i)
 564         argv[i] = argv[i+num];
 565     for (; i < *argc; ++i)
 566         argv[i] = NULL;
 567     *argc -= num;
 568 }
 569
 570 static void run_startup_cmd(void)
 571 {
 572     gchar **argv = NULL;
 573     GError *e = NULL;
 574     gboolean ok;
 575
 576     if (!g_shell_parse_argv(startup_cmd, NULL, &argv, &e)) {
 577         g_message("Error parsing startup command: %s",
 578                   e->message);
 579         g_error_free(e);
 580         e = NULL;
 581     }
 582     ok = g_spawn_async(NULL, argv, NULL,
 583                        G_SPAWN_SEARCH_PATH |
 584                        G_SPAWN_DO_NOT_REAP_CHILD,
 585                        NULL, NULL, NULL, &e);
 586     if (!g_shell_parse_argv(startup_cmd, NULL, &argv, &e)) {
 587         g_message("Error launching startup command: %s",
 588                   e->message);
 589         g_error_free(e);
 590         e = NULL;
 591     }
 592 }
 593
 594 static void parse_env(void)
 595 {
 596     const gchar *id;
 597
 598     /* unset this so we don't pass it on unknowingly */
 599     unsetenv("DESKTOP_STARTUP_ID");
 600
 601     /* this is how gnome-session passes in a session client id */
 602     id = g_getenv("DESKTOP_AUTOSTART_ID");
 603     if (id) {
 604         unsetenv("DESKTOP_AUTOSTART_ID");
 605         if (ob_sm_id) g_free(ob_sm_id);
 606         ob_sm_id = g_strdup(id);
 607         ob_debug_type(OB_DEBUG_SM,
 608                       "DESKTOP_AUTOSTART_ID %s supercedes --sm-client-id\n",
 609                       ob_sm_id);
 610     }
 611 }
 612
 613 static void parse_args(gint *argc, gchar **argv)
 614 {
 615     gint i;
 616
 617     for (i = 1; i < *argc; ++i) {
 618         if (!strcmp(argv[i], "--version")) {
 619             print_version();
 620             exit(0);
 621         }
 622         else if (!strcmp(argv[i], "--help")) {
 623             print_help();
 624             exit(0);
 625         }
 626         else if (!strcmp(argv[i], "--g-fatal-warnings")) {
 627             g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
 628         }
 629         else if (!strcmp(argv[i], "--replace")) {
 630             ob_replace_wm = TRUE;
 631             remove_args(argc, argv, i, 1);
 632             --i; /* this arg was removed so go back */
 633         }
 634         else if (!strcmp(argv[i], "--sync")) {
 635             xsync = TRUE;
 636         }
 637         else if (!strcmp(argv[i], "--startup")) {
 638             if (i == *argc - 1) /* no args left */
 639                 g_printerr(_("--startup requires an argument\n"));
 640             else {
 641                 /* this will be in the current locale encoding, which is
 642                    what we want */
 643                 startup_cmd = argv[i+1];
 644                 remove_args(argc, argv, i, 2);
 645                 --i; /* this arg was removed so go back */
 646                 ob_debug("--startup %s", startup_cmd);
 647             }
 648         }
 649         else if (!strcmp(argv[i], "--debug")) {
 650             ob_debug_enable(OB_DEBUG_NORMAL, TRUE);
 651             ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
 652         }
 653         else if (!strcmp(argv[i], "--debug-focus")) {
 654             ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
 655         }
 656         else if (!strcmp(argv[i], "--debug-session")) {
 657             ob_debug_enable(OB_DEBUG_SM, TRUE);
 658         }
 659         else if (!strcmp(argv[i], "--debug-xinerama")) {
 660             ob_debug_xinerama = TRUE;
 661         }
 662         else if (!strcmp(argv[i], "--indirect")) {
 663             ob_comp_indirect = TRUE;
 664         }
 665         else if (!strcmp(argv[i], "--reconfigure")) {
 666             remote_control = 1;
 667         }
 668         else if (!strcmp(argv[i], "--restart")) {
 669             remote_control = 2;
 670         }
 671         else if (!strcmp(argv[i], "--exit")) {
 672             remote_control = 3;
 673         }
 674         else if (!strcmp(argv[i], "--config-file")) {
 675             if (i == *argc - 1) /* no args left */
 676                 g_printerr(_("--config-file requires an argument\n"));
 677             else {
 678                 /* this will be in the current locale encoding, which is
 679                    what we want */
 680                 config_file = argv[i+1];
 681                 ++i; /* skip the argument */
 682                 ob_debug("--config-file %s", config_file);
 683             }
 684         }
 685         else if (!strcmp(argv[i], "--sm-save-file")) {
 686             if (i == *argc - 1) /* no args left */
 687                 /* not translated cuz it's sekret */
 688                 g_printerr("--sm-save-file requires an argument\n");
 689             else {
 690                 ob_sm_save_file = g_strdup(argv[i+1]);
 691                 remove_args(argc, argv, i, 2);
 692                 --i; /* this arg was removed so go back */
 693                 ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s",
 694                               ob_sm_save_file);
 695             }
 696         }
 697         else if (!strcmp(argv[i], "--sm-client-id")) {
 698             if (i == *argc - 1) /* no args left */
 699                 /* not translated cuz it's sekret */
 700                 g_printerr("--sm-client-id requires an argument\n");
 701             else {
 702                 ob_sm_id = g_strdup(argv[i+1]);
 703                 remove_args(argc, argv, i, 2);
 704                 --i; /* this arg was removed so go back */
 705                 ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s", ob_sm_id);
 706             }
 707         }
 708         else if (!strcmp(argv[i], "--sm-disable")) {
 709             ob_sm_use = FALSE;
 710         }
 711         else if (!strcmp(argv[i], "--sm-no-load")) {
 712             ob_sm_restore = FALSE;
 713             remove_args(argc, argv, i, 1);
 714             --i; /* this arg was removed so go back */
 715         }
 716         else {
 717             /* this is a memleak.. oh well.. heh */
 718             gchar *err = g_strdup_printf
 719                 (_("Invalid command line argument \"%s\"\n"), argv[i]);
 720             ob_exit_with_error(err);
 721         }
 722     }
 723 }
 724
 725 static Cursor load_cursor(const gchar *name, guint fontval)
 726 {
 727     Cursor c = None;
 728
 729 #if USE_XCURSOR
 730     c = XcursorLibraryLoadCursor(obt_display, name);
 731 #endif
 732     if (c == None)
 733         c = XCreateFontCursor(obt_display, fontval);
 734     return c;
 735 }
 736
 737 void ob_exit_with_error(const gchar *msg)
 738 {
 739     g_message("%s", msg);
 740     session_shutdown(TRUE);
 741     exit(EXIT_FAILURE);
 742 }
 743
 744 void ob_restart_other(const gchar *path)
 745 {
 746     restart_path = g_strdup(path);
 747     ob_restart();
 748 }
 749
 750 void ob_restart(void)
 751 {
 752     restart = TRUE;
 753     ob_exit(0);
 754 }
 755
 756 void ob_reconfigure(void)
 757 {
 758     reconfigure = TRUE;
 759     ob_exit(0);
 760 }
 761
 762 void ob_exit(gint code)
 763 {
 764     exitcode = code;
 765     g_main_loop_quit(ob_main_loop);
 766 }
 767
 768 void ob_exit_replace(void)
 769 {
 770     exitcode = 0;
 771     being_replaced = TRUE;
 772     g_main_loop_quit(ob_main_loop);
 773 }
 774
 775 Cursor ob_cursor(ObCursor cursor)
 776 {
 777     g_assert(cursor < OB_NUM_CURSORS);
 778     return cursors[cursor];
 779 }
 780
 781 ObState ob_state(void)
 782 {
 783     return state;
 784 }
 785
 786 void ob_set_state(ObState s)
 787 {
 788     state = s;
 789 }