]> Dogcows Code - chaz/openbox/blob - openbox/openbox.c
generalize the window managing process into window_manage, which handles dock apps...
[chaz/openbox] / openbox / openbox.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3 openbox.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "debug.h"
21 #include "openbox.h"
22 #include "session.h"
23 #include "dock.h"
24 #include "event.h"
25 #include "menu.h"
26 #include "client.h"
27 #include "screen.h"
28 #include "actions.h"
29 #include "startupnotify.h"
30 #include "focus.h"
31 #include "focus_cycle.h"
32 #include "focus_cycle_indicator.h"
33 #include "focus_cycle_popup.h"
34 #include "moveresize.h"
35 #include "frame.h"
36 #include "framerender.h"
37 #include "keyboard.h"
38 #include "mouse.h"
39 #include "menuframe.h"
40 #include "grab.h"
41 #include "group.h"
42 #include "config.h"
43 #include "ping.h"
44 #include "gettext.h"
45 #include "render/render.h"
46 #include "render/theme.h"
47 #include "obt/display.h"
48 #include "obt/prop.h"
49 #include "obt/keyboard.h"
50 #include "obt/parse.h"
51
52 #ifdef HAVE_FCNTL_H
53 # include <fcntl.h>
54 #endif
55 #ifdef HAVE_SIGNAL_H
56 # include <signal.h>
57 #endif
58 #ifdef HAVE_STDLIB_H
59 # include <stdlib.h>
60 #endif
61 #ifdef HAVE_LOCALE_H
62 # include <locale.h>
63 #endif
64 #ifdef HAVE_SYS_STAT_H
65 # include <sys/stat.h>
66 # include <sys/types.h>
67 #endif
68 #ifdef HAVE_SYS_WAIT_H
69 # include <sys/types.h>
70 # include <sys/wait.h>
71 #endif
72 #ifdef HAVE_UNISTD_H
73 # include <unistd.h>
74 #endif
75 #include <errno.h>
76
77 #include <X11/cursorfont.h>
78 #if USE_XCURSOR
79 #include <X11/Xcursor/Xcursor.h>
80 #endif
81
82 #include <X11/Xlib.h>
83 #include <X11/keysym.h>
84
85 RrInstance *ob_rr_inst;
86 RrTheme *ob_rr_theme;
87 ObtMainLoop *ob_main_loop;
88 gint ob_screen;
89 gboolean ob_replace_wm = FALSE;
90 gboolean ob_sm_use = TRUE;
91 gchar *ob_sm_id = NULL;
92 gchar *ob_sm_save_file = NULL;
93 gboolean ob_sm_restore = TRUE;
94 gboolean ob_debug_xinerama = FALSE;
95
96 static ObState state;
97 static gboolean xsync = FALSE;
98 static gboolean reconfigure = FALSE;
99 static gboolean restart = FALSE;
100 static gchar *restart_path = NULL;
101 static Cursor cursors[OB_NUM_CURSORS];
102 static KeyCode keys[OB_NUM_KEYS];
103 static gint exitcode = 0;
104 static guint remote_control = 0;
105 static gboolean being_replaced = FALSE;
106
107 static void signal_handler(gint signal, gpointer data);
108 static void remove_args(gint *argc, gchar **argv, gint index, gint num);
109 static void parse_env();
110 static void parse_args(gint *argc, gchar **argv);
111 static Cursor load_cursor(const gchar *name, guint fontval);
112
113 gint main(gint argc, gchar **argv)
114 {
115 gchar *program_name;
116
117 state = OB_STATE_STARTING;
118
119 ob_debug_startup();
120
121 /* initialize the locale */
122 if (!setlocale(LC_ALL, ""))
123 g_message("Couldn't set locale from environment.");
124 bindtextdomain(PACKAGE_NAME, LOCALEDIR);
125 bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
126 textdomain(PACKAGE_NAME);
127
128 /* parse the command line args, which can change the argv[0] */
129 parse_args(&argc, argv);
130 /* parse the environment variables */
131 parse_env();
132
133 program_name = g_path_get_basename(argv[0]);
134 g_set_prgname(program_name);
135
136 if (!remote_control)
137 session_startup(argc, argv);
138
139 if (!obt_display_open(NULL))
140 ob_exit_with_error(_("Failed to open the display from the DISPLAY environment variable."));
141
142 if (remote_control) {
143 /* Send client message telling the OB process to:
144 * remote_control = 1 -> reconfigure
145 * remote_control = 2 -> restart */
146 OBT_PROP_MSG(ob_screen, obt_root(ob_screen),
147 OB_CONTROL, remote_control, 0, 0, 0, 0);
148 obt_display_close(obt_display);
149 exit(EXIT_SUCCESS);
150 }
151
152 ob_main_loop = obt_main_loop_new();
153
154 /* set up signal handler */
155 obt_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL,NULL);
156 obt_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL,NULL);
157 obt_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL,NULL);
158 obt_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL,NULL);
159 obt_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL,NULL);
160 obt_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL,NULL);
161 obt_main_loop_signal_add(ob_main_loop, SIGCHLD, signal_handler, NULL,NULL);
162
163 ob_screen = DefaultScreen(obt_display);
164
165 ob_rr_inst = RrInstanceNew(obt_display, ob_screen);
166 if (ob_rr_inst == NULL)
167 ob_exit_with_error(_("Failed to initialize the obrender library."));
168
169 XSynchronize(obt_display, xsync);
170
171 /* check for locale support */
172 if (!XSupportsLocale())
173 g_message(_("X server does not support locale."));
174 if (!XSetLocaleModifiers(""))
175 g_message(_("Cannot set locale modifiers for the X server."));
176
177 /* set the DISPLAY environment variable for any lauched children, to the
178 display we're using, so they open in the right place. */
179 setenv("DISPLAY", DisplayString(obt_display), TRUE);
180
181 /* create available cursors */
182 cursors[OB_CURSOR_NONE] = None;
183 cursors[OB_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
184 cursors[OB_CURSOR_BUSYPOINTER] = load_cursor("left_ptr_watch",XC_left_ptr);
185 cursors[OB_CURSOR_BUSY] = load_cursor("watch", XC_watch);
186 cursors[OB_CURSOR_MOVE] = load_cursor("fleur", XC_fleur);
187 cursors[OB_CURSOR_NORTH] = load_cursor("top_side", XC_top_side);
188 cursors[OB_CURSOR_NORTHEAST] = load_cursor("top_right_corner",
189 XC_top_right_corner);
190 cursors[OB_CURSOR_EAST] = load_cursor("right_side", XC_right_side);
191 cursors[OB_CURSOR_SOUTHEAST] = load_cursor("bottom_right_corner",
192 XC_bottom_right_corner);
193 cursors[OB_CURSOR_SOUTH] = load_cursor("bottom_side", XC_bottom_side);
194 cursors[OB_CURSOR_SOUTHWEST] = load_cursor("bottom_left_corner",
195 XC_bottom_left_corner);
196 cursors[OB_CURSOR_WEST] = load_cursor("left_side", XC_left_side);
197 cursors[OB_CURSOR_NORTHWEST] = load_cursor("top_left_corner",
198 XC_top_left_corner);
199
200 if (screen_annex()) { /* it will be ours! */
201 do {
202 if (reconfigure) obt_keyboard_reload();
203
204 /* get the keycodes for keys we use */
205 keys[OB_KEY_RETURN] = obt_keyboard_keysym_to_keycode(XK_Return);
206 keys[OB_KEY_ESCAPE] = obt_keyboard_keysym_to_keycode(XK_Escape);
207 keys[OB_KEY_LEFT] = obt_keyboard_keysym_to_keycode(XK_Left);
208 keys[OB_KEY_RIGHT] = obt_keyboard_keysym_to_keycode(XK_Right);
209 keys[OB_KEY_UP] = obt_keyboard_keysym_to_keycode(XK_Up);
210 keys[OB_KEY_DOWN] = obt_keyboard_keysym_to_keycode(XK_Down);
211
212 {
213 ObtParseInst *i;
214
215 /* startup the parsing so everything can register sections
216 of the rc */
217 i = obt_parse_instance_new();
218
219 /* register all the available actions */
220 actions_startup(reconfigure);
221 /* start up config which sets up with the parser */
222 config_startup(i);
223
224 /* parse/load user options */
225 if (obt_parse_load_config_file(i, "openbox", "rc.xml",
226 "openbox_config"))
227 {
228 obt_parse_tree_from_root(i);
229 obt_parse_close(i);
230 } else
231 g_message(_("Unable to find a valid config file, using some simple defaults"));
232
233 /*
234 if (config_type != NULL)
235 PROP_SETS(obt_root(ob_screen), ob_config, config_type);
236 */
237
238 /* we're done with parsing now, kill it */
239 obt_parse_instance_unref(i);
240 }
241
242 /* load the theme specified in the rc file */
243 {
244 RrTheme *theme;
245 if ((theme = RrThemeNew(ob_rr_inst, config_theme, TRUE,
246 config_font_activewindow,
247 config_font_inactivewindow,
248 config_font_menutitle,
249 config_font_menuitem,
250 config_font_osd)))
251 {
252 RrThemeFree(ob_rr_theme);
253 ob_rr_theme = theme;
254 }
255 if (ob_rr_theme == NULL)
256 ob_exit_with_error(_("Unable to load a theme."));
257
258 OBT_PROP_SETS(obt_root(ob_screen),
259 OB_THEME, utf8, ob_rr_theme->name);
260 }
261
262 if (reconfigure) {
263 GList *it;
264
265 /* update all existing windows for the new theme */
266 for (it = client_list; it; it = g_list_next(it)) {
267 ObClient *c = it->data;
268 frame_adjust_theme(c->frame);
269 }
270 }
271 event_startup(reconfigure);
272 /* focus_backup is used for stacking, so this needs to come before
273 anything that calls stacking_add */
274 sn_startup(reconfigure);
275 window_startup(reconfigure);
276 focus_startup(reconfigure);
277 focus_cycle_startup(reconfigure);
278 focus_cycle_indicator_startup(reconfigure);
279 focus_cycle_popup_startup(reconfigure);
280 screen_startup(reconfigure);
281 grab_startup(reconfigure);
282 group_startup(reconfigure);
283 ping_startup(reconfigure);
284 client_startup(reconfigure);
285 dock_startup(reconfigure);
286 moveresize_startup(reconfigure);
287 keyboard_startup(reconfigure);
288 mouse_startup(reconfigure);
289 menu_frame_startup(reconfigure);
290 menu_startup(reconfigure);
291
292 if (!reconfigure) {
293 guint32 xid;
294 ObWindow *w;
295
296 /* get all the existing windows */
297 window_manage_all();
298 focus_nothing();
299
300 /* focus what was focused if a wm was already running */
301 if (OBT_PROP_GET32(obt_root(ob_screen),
302 NET_ACTIVE_WINDOW, WINDOW, &xid) &&
303 (w = window_find(xid)) && WINDOW_IS_CLIENT(w))
304 {
305 client_focus(WINDOW_AS_CLIENT(w));
306 }
307 } else {
308 GList *it;
309
310 /* redecorate all existing windows */
311 for (it = client_list; it; it = g_list_next(it)) {
312 ObClient *c = it->data;
313
314 /* the new config can change the window's decorations */
315 client_setup_decor_and_functions(c, FALSE);
316 /* redraw the frames */
317 frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
318 /* the decor sizes may have changed, so the windows may
319 end up in new positions */
320 client_reconfigure(c, FALSE);
321 }
322 }
323
324 reconfigure = FALSE;
325
326 state = OB_STATE_RUNNING;
327 obt_main_loop_run(ob_main_loop);
328 state = OB_STATE_EXITING;
329
330 if (!reconfigure)
331 window_unmanage_all();
332
333 menu_shutdown(reconfigure);
334 menu_frame_shutdown(reconfigure);
335 mouse_shutdown(reconfigure);
336 keyboard_shutdown(reconfigure);
337 moveresize_shutdown(reconfigure);
338 dock_shutdown(reconfigure);
339 client_shutdown(reconfigure);
340 ping_shutdown(reconfigure);
341 group_shutdown(reconfigure);
342 grab_shutdown(reconfigure);
343 screen_shutdown(reconfigure);
344 focus_cycle_popup_shutdown(reconfigure);
345 focus_cycle_indicator_shutdown(reconfigure);
346 focus_cycle_shutdown(reconfigure);
347 focus_shutdown(reconfigure);
348 window_shutdown(reconfigure);
349 sn_shutdown(reconfigure);
350 event_shutdown(reconfigure);
351 config_shutdown();
352 actions_shutdown(reconfigure);
353 } while (reconfigure);
354 }
355
356 XSync(obt_display, FALSE);
357
358 RrThemeFree(ob_rr_theme);
359 RrInstanceFree(ob_rr_inst);
360
361 session_shutdown(being_replaced);
362
363 obt_display_close(obt_display);
364
365 if (restart) {
366 if (restart_path != NULL) {
367 gint argcp;
368 gchar **argvp;
369 GError *err = NULL;
370
371 /* run other window manager */
372 if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
373 execvp(argvp[0], argvp);
374 g_strfreev(argvp);
375 } else {
376 g_message(
377 _("Restart failed to execute new executable '%s': %s"),
378 restart_path, err->message);
379 g_error_free(err);
380 }
381 }
382
383 /* we remove the session arguments from argv, so put them back,
384 also don't restore the session on restart */
385 if (ob_sm_save_file != NULL || ob_sm_id != NULL) {
386 gchar **nargv;
387 gint i, l;
388
389 l = argc + 1 +
390 (ob_sm_save_file != NULL ? 2 : 0) +
391 (ob_sm_id != NULL ? 2 : 0);
392 nargv = g_new0(gchar*, l+1);
393 for (i = 0; i < argc; ++i)
394 nargv[i] = argv[i];
395
396 if (ob_sm_save_file != NULL) {
397 nargv[i++] = g_strdup("--sm-save-file");
398 nargv[i++] = ob_sm_save_file;
399 }
400 if (ob_sm_id != NULL) {
401 nargv[i++] = g_strdup("--sm-client-id");
402 nargv[i++] = ob_sm_id;
403 }
404 nargv[i++] = g_strdup("--sm-no-load");
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(program_name);
418
419 ob_debug_shutdown();
420
421 return exitcode;
422 }
423
424 static void signal_handler(gint signal, gpointer data)
425 {
426 switch (signal) {
427 case SIGUSR1:
428 ob_debug("Caught signal %d. Restarting.", signal);
429 ob_restart();
430 break;
431 case SIGUSR2:
432 ob_debug("Caught signal %d. Reconfiguring.", signal);
433 ob_reconfigure();
434 break;
435 case SIGCHLD:
436 /* reap children */
437 while (waitpid(-1, NULL, WNOHANG) > 0);
438 break;
439 default:
440 ob_debug("Caught signal %d. Exiting.", signal);
441 /* TERM and INT return a 0 code */
442 ob_exit(!(signal == SIGTERM || signal == SIGINT));
443 }
444 }
445
446 static void print_version()
447 {
448 g_print("Openbox %s\n", PACKAGE_VERSION);
449 g_print(_("Copyright (c)"));
450 g_print(" 2008 Mikael Magnusson\n");
451 g_print(_("Copyright (c)"));
452 g_print(" 2003-2006 Dana Jansens\n\n");
453 g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
454 g_print("This is free software, and you are welcome to redistribute it\n");
455 g_print("under certain conditions. See the file COPYING for details.\n\n");
456 }
457
458 static void print_help()
459 {
460 g_print(_("Syntax: openbox [options]\n"));
461 g_print(_("\nOptions:\n"));
462 g_print(_(" --help Display this help and exit\n"));
463 g_print(_(" --version Display the version and exit\n"));
464 g_print(_(" --replace Replace the currently running window manager\n"));
465 g_print(_(" --sm-disable Disable connection to the session manager\n"));
466 g_print(_("\nPassing messages to a running Openbox instance:\n"));
467 g_print(_(" --reconfigure Reload Openbox's configuration\n"));
468 g_print(_(" --restart Restart Openbox\n"));
469 g_print(_(" --exit Exit Openbox\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(_(" --debug-session Display debugging output for session managment\n"));
475 g_print(_(" --debug-xinerama Split the display into fake xinerama screens\n"));
476 g_print(_("\nPlease report bugs at %s\n"), PACKAGE_BUGREPORT);
477 }
478
479 static void remove_args(gint *argc, gchar **argv, gint index, gint num)
480 {
481 gint i;
482
483 for (i = index; i < *argc - num; ++i)
484 argv[i] = argv[i+num];
485 for (; i < *argc; ++i)
486 argv[i] = NULL;
487 *argc -= num;
488 }
489
490 static void parse_env()
491 {
492 /* unset this so we don't pass it on unknowingly */
493 unsetenv("DESKTOP_STARTUP_ID");
494 }
495
496 static void parse_args(gint *argc, gchar **argv)
497 {
498 gint i;
499
500 for (i = 1; i < *argc; ++i) {
501 if (!strcmp(argv[i], "--version")) {
502 print_version();
503 exit(0);
504 }
505 else if (!strcmp(argv[i], "--help")) {
506 print_help();
507 exit(0);
508 }
509 else if (!strcmp(argv[i], "--g-fatal-warnings")) {
510 g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
511 }
512 else if (!strcmp(argv[i], "--replace")) {
513 ob_replace_wm = TRUE;
514 remove_args(argc, argv, i, 1);
515 --i; /* this arg was removed so go back */
516 }
517 else if (!strcmp(argv[i], "--sync")) {
518 xsync = TRUE;
519 }
520 else if (!strcmp(argv[i], "--debug")) {
521 ob_debug_enable(OB_DEBUG_NORMAL, TRUE);
522 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
523 }
524 else if (!strcmp(argv[i], "--debug-focus")) {
525 ob_debug_enable(OB_DEBUG_NORMAL, TRUE);
526 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
527 ob_debug_enable(OB_DEBUG_FOCUS, TRUE);
528 }
529 else if (!strcmp(argv[i], "--debug-session")) {
530 ob_debug_enable(OB_DEBUG_NORMAL, TRUE);
531 ob_debug_enable(OB_DEBUG_APP_BUGS, TRUE);
532 ob_debug_enable(OB_DEBUG_SM, TRUE);
533 }
534 else if (!strcmp(argv[i], "--debug-xinerama")) {
535 ob_debug_xinerama = TRUE;
536 }
537 else if (!strcmp(argv[i], "--reconfigure")) {
538 remote_control = 1;
539 }
540 else if (!strcmp(argv[i], "--restart")) {
541 remote_control = 2;
542 }
543 else if (!strcmp(argv[i], "--exit")) {
544 remote_control = 3;
545 }
546 else if (!strcmp(argv[i], "--sm-save-file")) {
547 if (i == *argc - 1) /* no args left */
548 /* not translated cuz it's sekret */
549 g_printerr("--sm-save-file requires an argument\n");
550 else {
551 ob_sm_save_file = g_strdup(argv[i+1]);
552 remove_args(argc, argv, i, 2);
553 --i; /* this arg was removed so go back */
554 ob_debug_type(OB_DEBUG_SM, "--sm-save-file %s",
555 ob_sm_save_file);
556 }
557 }
558 else if (!strcmp(argv[i], "--sm-client-id")) {
559 if (i == *argc - 1) /* no args left */
560 /* not translated cuz it's sekret */
561 g_printerr("--sm-client-id requires an argument\n");
562 else {
563 ob_sm_id = g_strdup(argv[i+1]);
564 remove_args(argc, argv, i, 2);
565 --i; /* this arg was removed so go back */
566 ob_debug_type(OB_DEBUG_SM, "--sm-client-id %s", ob_sm_id);
567 }
568 }
569 else if (!strcmp(argv[i], "--sm-disable")) {
570 ob_sm_use = FALSE;
571 }
572 else if (!strcmp(argv[i], "--sm-no-load")) {
573 ob_sm_restore = FALSE;
574 remove_args(argc, argv, i, 1);
575 --i; /* this arg was removed so go back */
576 }
577 else {
578 /* this is a memleak.. oh well.. heh */
579 gchar *err = g_strdup_printf
580 (_("Invalid command line argument '%s'\n"), argv[i]);
581 ob_exit_with_error(err);
582 }
583 }
584 }
585
586 static Cursor load_cursor(const gchar *name, guint fontval)
587 {
588 Cursor c = None;
589
590 #if USE_XCURSOR
591 c = XcursorLibraryLoadCursor(obt_display, name);
592 #endif
593 if (c == None)
594 c = XCreateFontCursor(obt_display, fontval);
595 return c;
596 }
597
598 void ob_exit_with_error(const gchar *msg)
599 {
600 g_message(msg);
601 session_shutdown(TRUE);
602 exit(EXIT_FAILURE);
603 }
604
605 void ob_restart_other(const gchar *path)
606 {
607 restart_path = g_strdup(path);
608 ob_restart();
609 }
610
611 void ob_restart()
612 {
613 restart = TRUE;
614 ob_exit(0);
615 }
616
617 void ob_reconfigure()
618 {
619 reconfigure = TRUE;
620 ob_exit(0);
621 }
622
623 void ob_exit(gint code)
624 {
625 exitcode = code;
626 obt_main_loop_exit(ob_main_loop);
627 }
628
629 void ob_exit_replace()
630 {
631 exitcode = 0;
632 being_replaced = TRUE;
633 obt_main_loop_exit(ob_main_loop);
634 }
635
636 Cursor ob_cursor(ObCursor cursor)
637 {
638 g_assert(cursor < OB_NUM_CURSORS);
639 return cursors[cursor];
640 }
641
642 KeyCode ob_keycode(ObKey key)
643 {
644 g_assert(key < OB_NUM_KEYS);
645 return keys[key];
646 }
647
648 ObState ob_state()
649 {
650 return state;
651 }
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