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