WIP version 3 of edges thinger
[mikachu/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 "edges.h"
25 #include "event.h"
26 #include "menu.h"
27 #include "client.h"
28 #include "screen.h"
29 #include "actions.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             gchar *xml_error_string = NULL;
229             ObPrompt *xmlprompt = NULL;
230
231             if (reconfigure) obt_keyboard_reload();
232
233             {
234                 ObtXmlInst *i;
235
236                 /* startup the parsing so everything can register sections
237                    of the rc */
238                 i = obt_xml_instance_new();
239
240                 /* register all the available actions */
241                 actions_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.xml",
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                 if (obt_xml_last_error(i)) {
270                     xml_error_string = g_strdup_printf(
271                         _("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"),
272                         obt_xml_last_error_file(i),
273                         obt_xml_last_error_line(i),
274                         obt_xml_last_error_message(i));
275                 }
276
277                 /* we're done with parsing now, kill it */
278                 obt_xml_instance_unref(i);
279             }
280
281             /* load the theme specified in the rc file */
282             {
283                 RrTheme *theme;
284                 if ((theme = RrThemeNew(ob_rr_inst, config_theme, TRUE,
285                                         config_font_activewindow,
286                                         config_font_inactivewindow,
287                                         config_font_menutitle,
288                                         config_font_menuitem,
289                                         config_font_activeosd,
290                                         config_font_inactiveosd)))
291                 {
292                     RrThemeFree(ob_rr_theme);
293                     ob_rr_theme = theme;
294                 }
295                 if (ob_rr_theme == NULL)
296                     ob_exit_with_error(_("Unable to load a theme."));
297
298                 OBT_PROP_SETS(obt_root(ob_screen), OB_THEME,
299                               ob_rr_theme->name);
300             }
301
302             if (reconfigure) {
303                 GList *it;
304
305                 /* update all existing windows for the new theme */
306                 for (it = client_list; it; it = g_list_next(it)) {
307                     ObClient *c = it->data;
308                     frame_adjust_theme(c->frame);
309                 }
310             }
311             event_startup(reconfigure);
312             /* focus_backup is used for stacking, so this needs to come before
313                anything that calls stacking_add */
314             sn_startup(reconfigure);
315             window_startup(reconfigure);
316             focus_startup(reconfigure);
317             focus_cycle_startup(reconfigure);
318             focus_cycle_indicator_startup(reconfigure);
319             focus_cycle_popup_startup(reconfigure);
320             screen_startup(reconfigure);
321             grab_startup(reconfigure);
322             group_startup(reconfigure);
323             ping_startup(reconfigure);
324             client_startup(reconfigure);
325             dock_startup(reconfigure);
326             moveresize_startup(reconfigure);
327             keyboard_startup(reconfigure);
328             mouse_startup(reconfigure);
329             menu_frame_startup(reconfigure);
330             menu_startup(reconfigure);
331             edges_startup(reconfigure);
332             prompt_startup(reconfigure);
333
334             /* do this after everything is started so no events will get
335                missed */
336             xqueue_listen();
337
338             if (!reconfigure) {
339                 guint32 xid;
340                 ObWindow *w;
341
342                 /* get all the existing windows */
343                 window_manage_all();
344
345                 /* focus what was focused if a wm was already running */
346                 if (OBT_PROP_GET32(obt_root(ob_screen),
347                                    NET_ACTIVE_WINDOW, WINDOW, &xid) &&
348                     (w = window_find(xid)) && WINDOW_IS_CLIENT(w))
349                 {
350                     client_focus(WINDOW_AS_CLIENT(w));
351                 }
352             } else {
353                 GList *it;
354
355                 /* redecorate all existing windows */
356                 for (it = client_list; it; it = g_list_next(it)) {
357                     ObClient *c = it->data;
358
359                     /* the new config can change the window's decorations */
360                     client_setup_decor_and_functions(c, FALSE);
361                     /* redraw the frames */
362                     frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
363                     /* the decor sizes may have changed, so the windows may
364                        end up in new positions */
365                     client_reconfigure(c, FALSE);
366                 }
367             }
368
369             ob_set_state(OB_STATE_RUNNING);
370
371             if (!reconfigure && startup_cmd) run_startup_cmd();
372
373             reconfigure = FALSE;
374
375             /* look for parsing errors */
376             if (xml_error_string) {
377                 xmlprompt = prompt_show_message(xml_error_string,
378                                                 _("Openbox Syntax Error"),
379                                                 _("Close"));
380                 g_free(xml_error_string);
381                 xml_error_string = NULL;
382             }
383
384             g_main_loop_run(ob_main_loop);
385             ob_set_state(reconfigure ?
386                          OB_STATE_RECONFIGURING : OB_STATE_EXITING);
387
388             if (xmlprompt) {
389                 prompt_unref(xmlprompt);
390                 xmlprompt = NULL;
391             }
392
393             if (!reconfigure)
394                 window_unmanage_all();
395
396             prompt_shutdown(reconfigure);
397             edges_shutdown(reconfigure);
398             menu_shutdown(reconfigure);
399             menu_frame_shutdown(reconfigure);
400             mouse_shutdown(reconfigure);
401             keyboard_shutdown(reconfigure);
402             moveresize_shutdown(reconfigure);
403             dock_shutdown(reconfigure);
404             client_shutdown(reconfigure);
405             ping_shutdown(reconfigure);
406             group_shutdown(reconfigure);
407             grab_shutdown(reconfigure);
408             screen_shutdown(reconfigure);
409             focus_cycle_popup_shutdown(reconfigure);
410             focus_cycle_indicator_shutdown(reconfigure);
411             focus_cycle_shutdown(reconfigure);
412             focus_shutdown(reconfigure);
413             window_shutdown(reconfigure);
414             sn_shutdown(reconfigure);
415             event_shutdown(reconfigure);
416             config_shutdown();
417             actions_shutdown(reconfigure);
418         } while (reconfigure);
419     }
420
421     XSync(obt_display, FALSE);
422
423     RrThemeFree(ob_rr_theme);
424     RrImageCacheUnref(ob_rr_icons);
425     RrInstanceFree(ob_rr_inst);
426
427     session_shutdown(being_replaced);
428
429     obt_display_close();
430
431     if (restart) {
432         ob_debug_shutdown();
433         obt_signal_stop();
434         if (restart_path != NULL) {
435             gint argcp;
436             gchar **argvp;
437             GError *err = NULL;
438
439             /* run other window manager */
440             if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
441                 execvp(argvp[0], argvp);
442                 g_strfreev(argvp);
443             } else {
444                 g_message(
445                     _("Restart failed to execute new executable \"%s\": %s"),
446                     restart_path, err->message);
447                 g_error_free(err);
448             }
449         }
450
451         /* we remove the session arguments from argv, so put them back,
452            also don't restore the session on restart */
453         if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
454             gchar **nargv;
455             gint i, l;
456
457             l = argc + 1 +
458                 (ob_sm_save_file != NULL ? 2 : 0) +
459                 (ob_sm_id != NULL ? 2 : 0);
460             nargv = g_new0(gchar*, l+1);
461             for (i = 0; i < argc; ++i)
462                 nargv[i] = argv[i];
463
464             if (ob_sm_save_file != NULL) {
465                 nargv[i++] = g_strdup("--sm-save-file");
466                 nargv[i++] = ob_sm_save_file;
467             }
468             if (ob_sm_id != NULL) {
469                 nargv[i++] = g_strdup("--sm-client-id");
470                 nargv[i++] = ob_sm_id;
471             }
472             nargv[i++] = g_strdup("--sm-no-load");
473             g_assert(i == l);
474             argv = nargv;
475         }
476
477         /* re-run me */
478         execvp(argv[0], argv); /* try how we were run */
479         execlp(argv[0], program_name, (gchar*)NULL); /* last resort */
480     }
481
482     /* free stuff passed in from the command line or environment */
483     g_free(ob_sm_save_file);
484     g_free(ob_sm_id);
485     g_free(program_name);
486
487     if (!restart) {
488         ob_debug_shutdown();
489         obt_signal_stop();
490     }
491
492     return exitcode;
493 }
494
495 static void signal_handler(gint signal, gpointer data)
496 {
497     switch (signal) {
498     case SIGUSR1:
499         ob_debug("Caught signal %d. Restarting.", signal);
500         ob_restart();
501         break;
502     case SIGUSR2:
503         ob_debug("Caught signal %d. Reconfiguring.", signal);
504         ob_reconfigure();
505         break;
506     case SIGCHLD:
507         /* reap children */
508         while (waitpid(-1, NULL, WNOHANG) > 0);
509         break;
510     case SIGTTIN:
511     case SIGTTOU:
512         ob_debug("Caught signal %d. Ignoring.", signal);
513         break;
514     default:
515         ob_debug("Caught signal %d. Exiting.", signal);
516         /* TERM and INT return a 0 code */
517         ob_exit(!(signal == SIGTERM || signal == SIGINT));
518     }
519 }
520
521 static void print_version(void)
522 {
523     g_print("Openbox %s\n", PACKAGE_VERSION);
524     g_print(_("Copyright (c)"));
525     g_print(" 2004   Mikael Magnusson\n");
526     g_print(_("Copyright (c)"));
527     g_print(" 2002   Dana Jansens\n\n");
528     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
529     g_print("This is free software, and you are welcome to redistribute it\n");
530     g_print("under certain conditions. See the file COPYING for details.\n\n");
531 }
532
533 static void print_help(void)
534 {
535     g_print(_("Syntax: openbox [options]\n"));
536     g_print(_("\nOptions:\n"));
537     g_print(_("  --help              Display this help and exit\n"));
538     g_print(_("  --version           Display the version and exit\n"));
539     g_print(_("  --replace           Replace the currently running window manager\n"));
540     /* TRANSLATORS: if you translate "FILE" here, make sure to keep the "Specify..."
541        aligned still, if you have to, make a new line with \n and 22 spaces. It's
542        fine to leave it as FILE though. */
543     g_print(_("  --config-file FILE  Specify the path to the config file to use\n"));
544     g_print(_("  --sm-disable        Disable connection to the session manager\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 (!ok) {
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     g_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         g_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(_("%s requires an argument\n"), "--startup");
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], "--reconfigure")) {
663             remote_control = 1;
664         }
665         else if (!strcmp(argv[i], "--restart")) {
666             remote_control = 2;
667         }
668         else if (!strcmp(argv[i], "--exit")) {
669             remote_control = 3;
670         }
671         else if (!strcmp(argv[i], "--config-file")) {
672             if (i == *argc - 1) /* no args left */
673                 g_printerr(_("%s requires an argument\n"), "--config-file");
674             else {
675                 /* this will be in the current locale encoding, which is
676                    what we want */
677                 config_file = argv[i+1];
678                 ++i; /* skip the argument */
679                 ob_debug("--config-file %s", config_file);
680             }
681         }
682         else if (!strcmp(argv[i], "--sm-save-file")) {
683             if (i == *argc - 1) /* no args left */
684                 /* not translated cuz it's sekret */
685                 g_printerr("--sm-save-file requires an argument\n");
686             else {
687                 ob_sm_save_file = g_strdup(argv[i+1]);
688                 remove_args(argc, argv, i, 2);
689                 --i; /* this arg was removed so go back */
690                 ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s",
691                               ob_sm_save_file);
692             }
693         }
694         else if (!strcmp(argv[i], "--sm-client-id")) {
695             if (i == *argc - 1) /* no args left */
696                 /* not translated cuz it's sekret */
697                 g_printerr("--sm-client-id requires an argument\n");
698             else {
699                 ob_sm_id = g_strdup(argv[i+1]);
700                 remove_args(argc, argv, i, 2);
701                 --i; /* this arg was removed so go back */
702                 ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s", ob_sm_id);
703             }
704         }
705         else if (!strcmp(argv[i], "--sm-disable")) {
706             ob_sm_use = FALSE;
707         }
708         else if (!strcmp(argv[i], "--sm-no-load")) {
709             ob_sm_restore = FALSE;
710             remove_args(argc, argv, i, 1);
711             --i; /* this arg was removed so go back */
712         }
713         else {
714             /* this is a memleak.. oh well.. heh */
715             gchar *err = g_strdup_printf
716                 (_("Invalid command line argument \"%s\"\n"), argv[i]);
717             ob_exit_with_error(err);
718         }
719     }
720 }
721
722 static Cursor load_cursor(const gchar *name, guint fontval)
723 {
724     Cursor c = None;
725
726 #if USE_XCURSOR
727     c = XcursorLibraryLoadCursor(obt_display, name);
728 #endif
729     if (c == None)
730         c = XCreateFontCursor(obt_display, fontval);
731     return c;
732 }
733
734 void ob_exit_with_error(const gchar *msg)
735 {
736     g_message("%s", msg);
737     session_shutdown(TRUE);
738     exit(EXIT_FAILURE);
739 }
740
741 void ob_restart_other(const gchar *path)
742 {
743     restart_path = g_strdup(path);
744     ob_restart();
745 }
746
747 void ob_restart(void)
748 {
749     restart = TRUE;
750     ob_exit(0);
751 }
752
753 void ob_reconfigure(void)
754 {
755     reconfigure = TRUE;
756     ob_exit(0);
757 }
758
759 void ob_exit(gint code)
760 {
761     exitcode = code;
762     g_main_loop_quit(ob_main_loop);
763 }
764
765 void ob_exit_replace(void)
766 {
767     exitcode = 0;
768     being_replaced = TRUE;
769     g_main_loop_quit(ob_main_loop);
770 }
771
772 Cursor ob_cursor(ObCursor cursor)
773 {
774     g_assert(cursor < OB_NUM_CURSORS);
775     return cursors[cursor];
776 }
777
778 ObState ob_state(void)
779 {
780     return state;
781 }
782
783 void ob_set_state(ObState s)
784 {
785     state = s;
786 }