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