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wip: Add config_parser.c which will provide a nice means to specify config variables...
[dana/openbox.git] / 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 "action.h"
29 #include "action_filter.h"
30 #include "startupnotify.h"
31 #include "focus.h"
32 #include "focus_cycle.h"
33 #include "focus_cycle_indicator.h"
34 #include "focus_cycle_popup.h"
35 #include "moveresize.h"
36 #include "frame.h"
37 #include "framerender.h"
38 #include "keyboard.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 "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/signal.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 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     obt_signal_listen();
123
124     ob_set_state(OB_STATE_STARTING);
125
126     ob_debug_startup();
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 handlers, they are called from the mainloop
168        in the main program's thread */
169     obt_signal_add_callback(SIGUSR1, signal_handler, NULL);
170     obt_signal_add_callback(SIGUSR2, signal_handler, NULL);
171     obt_signal_add_callback(SIGTERM, signal_handler, NULL);
172     obt_signal_add_callback(SIGINT,  signal_handler, NULL);
173     obt_signal_add_callback(SIGHUP,  signal_handler, NULL);
174     obt_signal_add_callback(SIGPIPE, signal_handler, NULL);
175     obt_signal_add_callback(SIGCHLD, signal_handler, NULL);
176     obt_signal_add_callback(SIGTTIN, signal_handler, NULL);
177     obt_signal_add_callback(SIGTTOU, signal_handler, 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     g_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 and filters */
240                 action_startup(reconfigure);
241                 action_filter_startup(reconfigure);
242                 /* start up config which sets up with the parser */
243                 config_startup(i);
244
245                 /* parse/load user options */
246                 if ((config_file &&
247                      obt_xml_load_file(i, config_file, "openbox_config")) ||
248                     obt_xml_load_config_file(i, "openbox", "rc",
249                                              "openbox_config"))
250                 {
251                     obt_xml_tree_from_root(i);
252                     obt_xml_close(i);
253                 }
254                 else {
255                     g_message(_("Unable to find a valid config file, using some simple defaults"));
256                     config_file = NULL;
257                 }
258
259                 if (config_file) {
260                     gchar *p = g_filename_to_utf8(config_file, -1,
261                                                   NULL, NULL, NULL);
262                     if (p)
263                         OBT_PROP_SETS(obt_root(ob_screen), OB_CONFIG_FILE, 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), OB_THEME,
291                               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             window_startup(reconfigure);
308             focus_startup(reconfigure);
309             focus_cycle_startup(reconfigure);
310             focus_cycle_indicator_startup(reconfigure);
311             focus_cycle_popup_startup(reconfigure);
312             screen_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             /* do this after everything is started so no events will get
326                missed */
327             xqueue_listen();
328
329             if (!reconfigure) {
330                 guint32 xid;
331                 ObWindow *w;
332
333                 /* get all the existing windows */
334                 window_manage_all();
335
336                 /* focus what was focused if a wm was already running */
337                 if (OBT_PROP_GET32(obt_root(ob_screen),
338                                    NET_ACTIVE_WINDOW, WINDOW, &xid) &&
339                     (w = window_find(xid)) && WINDOW_IS_CLIENT(w))
340                 {
341                     client_focus(WINDOW_AS_CLIENT(w));
342                 }
343             } else {
344                 GList *it;
345
346                 /* redecorate all existing windows */
347                 for (it = client_list; it; it = g_list_next(it)) {
348                     ObClient *c = it->data;
349
350                     /* the new config can change the window's decorations */
351                     client_setup_decor_and_functions(c, FALSE);
352                     /* redraw the frames */
353                     frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
354                     /* the decor sizes may have changed, so the windows may
355                        end up in new positions */
356                     client_reconfigure(c, FALSE);
357                 }
358             }
359
360             ob_set_state(OB_STATE_RUNNING);
361
362             if (!reconfigure && startup_cmd) run_startup_cmd();
363
364             reconfigure = FALSE;
365
366             /* look for parsing errors */
367             {
368                 xmlErrorPtr e = xmlGetLastError();
369                 if (e) {
370                     gchar *m;
371
372                     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);
373                     xmlprompt =
374                         prompt_show_message(m, _("Openbox Syntax Error"), _("Close"));
375                     g_free(m);
376                     xmlResetError(e);
377                 }
378             }
379
380             g_main_loop_run(ob_main_loop);
381             ob_set_state(reconfigure ?
382                          OB_STATE_RECONFIGURING : OB_STATE_EXITING);
383
384             if (xmlprompt) {
385                 prompt_unref(xmlprompt);
386                 xmlprompt = NULL;
387             }
388
389             if (!reconfigure)
390                 window_unmanage_all();
391
392             prompt_shutdown(reconfigure);
393             menu_shutdown(reconfigure);
394             menu_frame_shutdown(reconfigure);
395             mouse_shutdown(reconfigure);
396             keyboard_shutdown(reconfigure);
397             moveresize_shutdown(reconfigure);
398             dock_shutdown(reconfigure);
399             client_shutdown(reconfigure);
400             ping_shutdown(reconfigure);
401             group_shutdown(reconfigure);
402             grab_shutdown(reconfigure);
403             screen_shutdown(reconfigure);
404             focus_cycle_popup_shutdown(reconfigure);
405             focus_cycle_indicator_shutdown(reconfigure);
406             focus_cycle_shutdown(reconfigure);
407             focus_shutdown(reconfigure);
408             window_shutdown(reconfigure);
409             sn_shutdown(reconfigure);
410             event_shutdown(reconfigure);
411             config_shutdown();
412             action_filter_shutdown(reconfigure);
413             action_shutdown(reconfigure);
414         } while (reconfigure);
415     }
416
417     XSync(obt_display, FALSE);
418
419     RrThemeFree(ob_rr_theme);
420     RrImageCacheUnref(ob_rr_icons);
421     RrInstanceFree(ob_rr_inst);
422
423     session_shutdown(being_replaced);
424
425     obt_display_close();
426
427     if (restart) {
428         ob_debug_shutdown();
429         obt_signal_stop();
430         if (restart_path != NULL) {
431             gint argcp;
432             gchar **argvp;
433             GError *err = NULL;
434
435             /* run other window manager */
436             if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
437                 execvp(argvp[0], argvp);
438                 g_strfreev(argvp);
439             } else {
440                 g_message(
441                     _("Restart failed to execute new executable \"%s\": %s"),
442                     restart_path, err->message);
443                 g_error_free(err);
444             }
445         }
446
447         /* we remove the session arguments from argv, so put them back,
448            also don't restore the session on restart */
449         if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
450             gchar **nargv;
451             gint i, l;
452
453             l = argc + 1 +
454                 (ob_sm_save_file != NULL ? 2 : 0) +
455                 (ob_sm_id != NULL ? 2 : 0);
456             nargv = g_new0(gchar*, l+1);
457             for (i = 0; i < argc; ++i)
458                 nargv[i] = argv[i];
459
460             if (ob_sm_save_file != NULL) {
461                 nargv[i++] = g_strdup("--sm-save-file");
462                 nargv[i++] = ob_sm_save_file;
463             }
464             if (ob_sm_id != NULL) {
465                 nargv[i++] = g_strdup("--sm-client-id");
466                 nargv[i++] = ob_sm_id;
467             }
468             nargv[i++] = g_strdup("--sm-no-load");
469             g_assert(i == l);
470             argv = nargv;
471         }
472
473         /* re-run me */
474         execvp(argv[0], argv); /* try how we were run */
475         execlp(argv[0], program_name, (gchar*)NULL); /* last resort */
476     }
477
478     /* free stuff passed in from the command line or environment */
479     g_free(ob_sm_save_file);
480     g_free(ob_sm_id);
481     g_free(program_name);
482
483     if (!restart) {
484         ob_debug_shutdown();
485         obt_signal_stop();
486     }
487
488     return exitcode;
489 }
490
491 static void signal_handler(gint signal, gpointer data)
492 {
493     switch (signal) {
494     case SIGUSR1:
495         ob_debug("Caught signal %d. Restarting.", signal);
496         ob_restart();
497         break;
498     case SIGUSR2:
499         ob_debug("Caught signal %d. Reconfiguring.", signal);
500         ob_reconfigure();
501         break;
502     case SIGCHLD:
503         /* reap children */
504         while (waitpid(-1, NULL, WNOHANG) > 0);
505         break;
506     case SIGTTIN:
507     case SIGTTOU:
508         ob_debug("Caught signal %d. Ignoring.", signal);
509         break;
510     default:
511         ob_debug("Caught signal %d. Exiting.", signal);
512         /* TERM and INT return a 0 code */
513         ob_exit(!(signal == SIGTERM || signal == SIGINT));
514     }
515 }
516
517 static void print_version(void)
518 {
519     g_print("Openbox %s\n", PACKAGE_VERSION);
520     g_print(_("Copyright (c)"));
521     g_print(" 2008        Mikael Magnusson\n");
522     g_print(_("Copyright (c)"));
523     g_print(" 2003-2006   Dana Jansens\n\n");
524     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
525     g_print("This is free software, and you are welcome to redistribute it\n");
526     g_print("under certain conditions. See the file COPYING for details.\n\n");
527 }
528
529 static void print_help(void)
530 {
531     g_print(_("Syntax: openbox [options]\n"));
532     g_print(_("\nOptions:\n"));
533     g_print(_("  --help              Display this help and exit\n"));
534     g_print(_("  --version           Display the version and exit\n"));
535     g_print(_("  --replace           Replace the currently running window manager\n"));
536     /* TRANSLATORS: if you translate "FILE" here, make sure to keep the "Specify..."
537        aligned still, if you have to, make a new line with \n and 22 spaces. It's
538        fine to leave it as FILE though. */
539     g_print(_("  --config-file FILE  Specify the path to the config file to use\n"));
540     g_print(_("  --sm-disable        Disable connection to the session manager\n"));
541     g_print(_("\nPassing messages to a running Openbox instance:\n"));
542     g_print(_("  --reconfigure       Reload Openbox's configuration\n"));
543     g_print(_("  --restart           Restart Openbox\n"));
544     g_print(_("  --exit              Exit Openbox\n"));
545     g_print(_("\nDebugging options:\n"));
546     g_print(_("  --sync              Run in synchronous mode\n"));
547     g_print(_("  --startup CMD       Run CMD after starting\n"));
548     g_print(_("  --debug             Display debugging output\n"));
549     g_print(_("  --debug-focus       Display debugging output for focus handling\n"));
550     g_print(_("  --debug-session     Display debugging output for session management\n"));
551     g_print(_("  --debug-xinerama    Split the display into fake xinerama screens\n"));
552     g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
553 }
554
555 static void remove_args(gint *argc, gchar **argv, gint index, gint num)
556 {
557     gint i;
558
559     for (i = index; i < *argc - num; ++i)
560         argv[i] = argv[i+num];
561     for (; i < *argc; ++i)
562         argv[i] = NULL;
563     *argc -= num;
564 }
565
566 static void run_startup_cmd(void)
567 {
568     gchar **argv = NULL;
569     GError *e = NULL;
570     gboolean ok;
571
572     if (!g_shell_parse_argv(startup_cmd, NULL, &argv, &e)) {
573         g_message("Error parsing startup command: %s",
574                   e->message);
575         g_error_free(e);
576         e = NULL;
577     }
578     ok = g_spawn_async(NULL, argv, NULL,
579                        G_SPAWN_SEARCH_PATH |
580                        G_SPAWN_DO_NOT_REAP_CHILD,
581                        NULL, NULL, NULL, &e);
582     if (!g_shell_parse_argv(startup_cmd, NULL, &argv, &e)) {
583         g_message("Error launching startup command: %s",
584                   e->message);
585         g_error_free(e);
586         e = NULL;
587     }
588 }
589
590 static void parse_env(void)
591 {
592     const gchar *id;
593
594     /* unset this so we don't pass it on unknowingly */
595     g_unsetenv("DESKTOP_STARTUP_ID");
596
597     /* this is how gnome-session passes in a session client id */
598     id = g_getenv("DESKTOP_AUTOSTART_ID");
599     if (id) {
600         g_unsetenv("DESKTOP_AUTOSTART_ID");
601         if (ob_sm_id) g_free(ob_sm_id);
602         ob_sm_id = g_strdup(id);
603         ob_debug_type(OB_DEBUG_SM,
604                       "DESKTOP_AUTOSTART_ID %s supercedes --sm-client-id\n",
605                       ob_sm_id);
606     }
607 }
608
609 static void parse_args(gint *argc, gchar **argv)
610 {
611     gint i;
612
613     for (i = 1; i < *argc; ++i) {
614         if (!strcmp(argv[i], "--version")) {
615             print_version();
616             exit(0);
617         }
618         else if (!strcmp(argv[i], "--help")) {
619             print_help();
620             exit(0);
621         }
622         else if (!strcmp(argv[i], "--g-fatal-warnings")) {
623             g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
624         }
625         else if (!strcmp(argv[i], "--replace")) {
626             ob_replace_wm = TRUE;
627             remove_args(argc, argv, i, 1);
628             --i; /* this arg was removed so go back */
629         }
630         else if (!strcmp(argv[i], "--sync")) {
631             xsync = TRUE;
632         }
633         else if (!strcmp(argv[i], "--startup")) {
634             if (i == *argc - 1) /* no args left */
635                 g_printerr(_("%s requires an argument\n"), "--startup");
636             else {
637                 /* this will be in the current locale encoding, which is
638                    what we want */
639                 startup_cmd = argv[i+1];
640                 remove_args(argc, argv, i, 2);
641                 --i; /* this arg was removed so go back */
642                 ob_debug("--startup %s", startup_cmd);
643             }
644         }
645         else if (!strcmp(argv[i], "--debug")) {
646             ob_debug_enable(OB_DEBUG_NORMAL, TRUE);
647             ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
648         }
649         else if (!strcmp(argv[i], "--debug-focus")) {
650             ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
651         }
652         else if (!strcmp(argv[i], "--debug-session")) {
653             ob_debug_enable(OB_DEBUG_SM, TRUE);
654         }
655         else if (!strcmp(argv[i], "--debug-xinerama")) {
656             ob_debug_xinerama = TRUE;
657         }
658         else if (!strcmp(argv[i], "--reconfigure")) {
659             remote_control = 1;
660         }
661         else if (!strcmp(argv[i], "--restart")) {
662             remote_control = 2;
663         }
664         else if (!strcmp(argv[i], "--exit")) {
665             remote_control = 3;
666         }
667         else if (!strcmp(argv[i], "--config-file")) {
668             if (i == *argc - 1) /* no args left */
669                 g_printerr(_("%s requires an argument\n"), "--config-file");
670             else {
671                 /* this will be in the current locale encoding, which is
672                    what we want */
673                 config_file = argv[i+1];
674                 ++i; /* skip the argument */
675                 ob_debug("--config-file %s", config_file);
676             }
677         }
678         else if (!strcmp(argv[i], "--sm-save-file")) {
679             if (i == *argc - 1) /* no args left */
680                 /* not translated cuz it's sekret */
681                 g_printerr("--sm-save-file requires an argument\n");
682             else {
683                 ob_sm_save_file = g_strdup(argv[i+1]);
684                 remove_args(argc, argv, i, 2);
685                 --i; /* this arg was removed so go back */
686                 ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s",
687                               ob_sm_save_file);
688             }
689         }
690         else if (!strcmp(argv[i], "--sm-client-id")) {
691             if (i == *argc - 1) /* no args left */
692                 /* not translated cuz it's sekret */
693                 g_printerr("--sm-client-id requires an argument\n");
694             else {
695                 ob_sm_id = g_strdup(argv[i+1]);
696                 remove_args(argc, argv, i, 2);
697                 --i; /* this arg was removed so go back */
698                 ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s", ob_sm_id);
699             }
700         }
701         else if (!strcmp(argv[i], "--sm-disable")) {
702             ob_sm_use = FALSE;
703         }
704         else if (!strcmp(argv[i], "--sm-no-load")) {
705             ob_sm_restore = FALSE;
706             remove_args(argc, argv, i, 1);
707             --i; /* this arg was removed so go back */
708         }
709         else {
710             /* this is a memleak.. oh well.. heh */
711             gchar *err = g_strdup_printf
712                 (_("Invalid command line argument \"%s\"\n"), argv[i]);
713             ob_exit_with_error(err);
714         }
715     }
716 }
717
718 static Cursor load_cursor(const gchar *name, guint fontval)
719 {
720     Cursor c = None;
721
722 #if USE_XCURSOR
723     c = XcursorLibraryLoadCursor(obt_display, name);
724 #endif
725     if (c == None)
726         c = XCreateFontCursor(obt_display, fontval);
727     return c;
728 }
729
730 void ob_exit_with_error(const gchar *msg)
731 {
732     g_message("%s", msg);
733     session_shutdown(TRUE);
734     exit(EXIT_FAILURE);
735 }
736
737 void ob_restart_other(const gchar *path)
738 {
739     restart_path = g_strdup(path);
740     ob_restart();
741 }
742
743 void ob_restart(void)
744 {
745     restart = TRUE;
746     ob_exit(0);
747 }
748
749 void ob_reconfigure(void)
750 {
751     reconfigure = TRUE;
752     ob_exit(0);
753 }
754
755 void ob_exit(gint code)
756 {
757     exitcode = code;
758     g_main_loop_quit(ob_main_loop);
759 }
760
761 void ob_exit_replace(void)
762 {
763     exitcode = 0;
764     being_replaced = TRUE;
765     g_main_loop_quit(ob_main_loop);
766 }
767
768 Cursor ob_cursor(ObCursor cursor)
769 {
770     g_assert(cursor < OB_NUM_CURSORS);
771     return cursors[cursor];
772 }
773
774 ObState ob_state(void)
775 {
776     return state;
777 }
778
779 void ob_set_state(ObState s)
780 {
781     state = s;
782 }