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[chaz/openbox] / openbox / openbox.c
1 #include "debug.h"
2 #include "openbox.h"
3 #include "session.h"
4 #include "dock.h"
5 #include "event.h"
6 #include "menu.h"
7 #include "client.h"
8 #include "xerror.h"
9 #include "prop.h"
10 #include "screen.h"
11 #include "startupnotify.h"
12 #include "focus.h"
13 #include "moveresize.h"
14 #include "frame.h"
15 #include "keyboard.h"
16 #include "mouse.h"
17 #include "extensions.h"
18 #include "menuframe.h"
19 #include "grab.h"
20 #include "group.h"
21 #include "config.h"
22 #include "mainloop.h"
23 #include "gettext.h"
24 #include "parser/parse.h"
25 #include "render/render.h"
26 #include "render/theme.h"
27
28 #ifdef HAVE_FCNTL_H
29 # include <fcntl.h>
30 #endif
31 #ifdef HAVE_SIGNAL_H
32 #define __USE_UNIX98
33 # include <signal.h>
34 #endif
35 #ifdef HAVE_STDLIB_H
36 # include <stdlib.h>
37 #endif
38 #ifdef HAVE_LOCALE_H
39 # include <locale.h>
40 #endif
41 #ifdef HAVE_SYS_STAT_H
42 # include <sys/stat.h>
43 # include <sys/types.h>
44 #endif
45 #ifdef HAVE_UNISTD_H
46 # include <unistd.h>
47 #endif
48
49 #include <X11/cursorfont.h>
50
51 RrInstance *ob_rr_inst;
52 RrTheme *ob_rr_theme;
53 ObMainLoop *ob_main_loop;
54 Display *ob_display;
55 gint ob_screen;
56 gboolean ob_replace_wm;
57
58 static ObState state;
59 static gboolean xsync;
60 static gboolean reconfigure;
61 static gboolean restart;
62 static char *restart_path;
63 static Cursor cursors[OB_NUM_CURSORS];
64 static KeyCode keys[OB_NUM_KEYS];
65
66 static void signal_handler(int signal, gpointer data);
67 static void parse_args(int argc, char **argv);
68
69 int main(int argc, char **argv)
70 {
71 char *path;
72
73 #ifdef DEBUG
74 ob_debug_show_output(TRUE);
75 #endif
76
77 state = OB_STATE_STARTING;
78
79 /* initialize the locale */
80 if (!setlocale(LC_ALL, ""))
81 g_warning("Couldn't set locale from environment.\n");
82 bindtextdomain(PACKAGE_NAME, LOCALEDIR);
83 bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
84 textdomain(PACKAGE_NAME);
85
86 /* create the ~/.openbox dir */
87 path = g_build_filename(g_get_home_dir(), ".openbox", NULL);
88 mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP |
89 S_IROTH | S_IWOTH | S_IXOTH));
90 g_free(path);
91 /* create the ~/.openbox/themes dir */
92 path = g_build_filename(g_get_home_dir(), ".openbox", "themes", NULL);
93 mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP |
94 S_IROTH | S_IWOTH | S_IXOTH));
95 g_free(path);
96 /* create the ~/.openbox/sessions dir */
97 path = g_build_filename(g_get_home_dir(), ".openbox", "sessions", NULL);
98 mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP |
99 S_IROTH | S_IWOTH | S_IXOTH));
100 g_free(path);
101
102 g_set_prgname(argv[0]);
103
104 /* parse out command line args */
105 parse_args(argc, argv);
106
107 ob_display = XOpenDisplay(NULL);
108 if (ob_display == NULL)
109 ob_exit_with_error("Failed to open the display.");
110 if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
111 ob_exit_with_error("Failed to set display as close-on-exec.");
112
113 ob_main_loop = ob_main_loop_new(ob_display);
114
115 /* set up signal handler */
116 ob_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL, NULL);
117 ob_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL, NULL);
118 ob_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL, NULL);
119 ob_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL, NULL);
120 ob_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL, NULL);
121 ob_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL, NULL);
122
123 session_startup(&argc, &argv);
124
125 ob_screen = DefaultScreen(ob_display);
126
127 ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
128 if (ob_rr_inst == NULL)
129 ob_exit_with_error("Failed to initialize the render library.");
130
131 /* XXX fork self onto other screens */
132
133 XSynchronize(ob_display, xsync);
134
135 /* check for locale support */
136 if (!XSupportsLocale())
137 g_warning("X server does not support locale.");
138 if (!XSetLocaleModifiers(""))
139 g_warning("Cannot set locale modifiers for the X server.");
140
141 /* set our error handler */
142 XSetErrorHandler(xerror_handler);
143
144 /* set the DISPLAY environment variable for any lauched children, to the
145 display we're using, so they open in the right place. */
146 putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
147
148 /* create available cursors */
149 cursors[OB_CURSOR_NONE] = None;
150 cursors[OB_CURSOR_POINTER] =
151 XCreateFontCursor(ob_display, XC_left_ptr);
152 cursors[OB_CURSOR_BUSY] =
153 XCreateFontCursor(ob_display, XC_watch);
154 cursors[OB_CURSOR_MOVE] =
155 XCreateFontCursor(ob_display, XC_fleur);
156 cursors[OB_CURSOR_NORTH] =
157 XCreateFontCursor(ob_display, XC_top_side);
158 cursors[OB_CURSOR_NORTHEAST] =
159 XCreateFontCursor(ob_display, XC_top_right_corner);
160 cursors[OB_CURSOR_EAST] =
161 XCreateFontCursor(ob_display, XC_right_side);
162 cursors[OB_CURSOR_SOUTHEAST] =
163 XCreateFontCursor(ob_display, XC_bottom_right_corner);
164 cursors[OB_CURSOR_SOUTH] =
165 XCreateFontCursor(ob_display, XC_bottom_side);
166 cursors[OB_CURSOR_SOUTHWEST] =
167 XCreateFontCursor(ob_display, XC_bottom_left_corner);
168 cursors[OB_CURSOR_WEST] =
169 XCreateFontCursor(ob_display, XC_left_side);
170 cursors[OB_CURSOR_NORTHWEST] =
171 XCreateFontCursor(ob_display, XC_top_left_corner);
172
173 /* create available keycodes */
174 keys[OB_KEY_RETURN] =
175 XKeysymToKeycode(ob_display, XStringToKeysym("Return"));
176 keys[OB_KEY_ESCAPE] =
177 XKeysymToKeycode(ob_display, XStringToKeysym("Escape"));
178 keys[OB_KEY_LEFT] =
179 XKeysymToKeycode(ob_display, XStringToKeysym("Left"));
180 keys[OB_KEY_RIGHT] =
181 XKeysymToKeycode(ob_display, XStringToKeysym("Right"));
182 keys[OB_KEY_UP] =
183 XKeysymToKeycode(ob_display, XStringToKeysym("Up"));
184 keys[OB_KEY_DOWN] =
185 XKeysymToKeycode(ob_display, XStringToKeysym("Down"));
186
187 prop_startup(); /* get atoms values for the display */
188 extensions_query_all(); /* find which extensions are present */
189
190 if (screen_annex()) { /* it will be ours! */
191 do {
192 event_startup(reconfigure);
193 grab_startup(reconfigure);
194 /* focus_backup is used for stacking, so this needs to come before
195 anything that calls stacking_add */
196 focus_startup(reconfigure);
197 window_startup(reconfigure);
198 sn_startup(reconfigure);
199
200 {
201 ObParseInst *i;
202 xmlDocPtr doc;
203 xmlNodePtr node;
204
205 /* startup the parsing so everything can register sections
206 of the rc */
207 i = parse_startup();
208
209 config_startup(i);
210 /* parse/load user options */
211 if (parse_load_rc(&doc, &node))
212 parse_tree(i, doc, node->xmlChildrenNode);
213 /* we're done with parsing now, kill it */
214 xmlFreeDoc(doc);
215 parse_shutdown(i);
216 }
217
218 /* load the theme specified in the rc file */
219 {
220 RrTheme *theme;
221 if ((theme = RrThemeNew(ob_rr_inst, config_theme)))
222 ob_rr_theme = theme;
223 if (ob_rr_theme == NULL)
224 ob_exit_with_error("Unable to load a theme.");
225 }
226
227 moveresize_startup(reconfigure);
228 screen_startup(reconfigure);
229 group_startup(reconfigure);
230 client_startup(reconfigure);
231 dock_startup(reconfigure);
232 keyboard_startup(reconfigure);
233 mouse_startup(reconfigure);
234 menu_startup(reconfigure);
235
236 if (!reconfigure) {
237 /* get all the existing windows */
238 client_manage_all();
239 } else {
240 GList *it;
241
242 /* redecorate all existing windows */
243 for (it = client_list; it; it = g_list_next(it)) {
244 ObClient *c = it->data;
245 frame_adjust_theme(c->frame);
246 }
247 }
248
249 reconfigure = FALSE;
250
251 state = OB_STATE_RUNNING;
252 ob_main_loop_run(ob_main_loop);
253 state = OB_STATE_EXITING;
254
255 if (!reconfigure) {
256 dock_remove_all();
257 client_unmanage_all();
258 }
259
260 menu_shutdown(reconfigure);
261 mouse_shutdown(reconfigure);
262 keyboard_shutdown(reconfigure);
263 dock_shutdown(reconfigure);
264 client_shutdown(reconfigure);
265 group_shutdown(reconfigure);
266 screen_shutdown(reconfigure);
267 focus_shutdown(reconfigure);
268 moveresize_shutdown(reconfigure);
269 sn_shutdown(reconfigure);
270 window_shutdown(reconfigure);
271 grab_shutdown(reconfigure);
272 event_shutdown(reconfigure);
273 config_shutdown();
274 } while (reconfigure);
275 }
276
277 RrThemeFree(ob_rr_theme);
278 RrInstanceFree(ob_rr_inst);
279
280 session_shutdown();
281
282 XCloseDisplay(ob_display);
283
284 if (restart) {
285 if (restart_path != NULL) {
286 int argcp;
287 char **argvp;
288 GError *err = NULL;
289
290 /* run other shit */
291 if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
292 execvp(argvp[0], argvp);
293 g_strfreev(argvp);
294 } else {
295 g_warning("failed to execute '%s': %s", restart_path,
296 err->message);
297 }
298 }
299
300 /* re-run me */
301 execvp(argv[0], argv); /* try how we were run */
302 execlp(argv[0], g_path_get_basename(argv[0])); /* last resort */
303 }
304
305 return 0;
306 }
307
308 static void signal_handler(int signal, gpointer data)
309 {
310 if (signal == SIGUSR1) {
311 fprintf(stderr, "Caught signal %d. Restarting.\n", signal);
312 ob_restart();
313 } else if (signal == SIGUSR2) {
314 fprintf(stderr, "Caught signal %d. Reconfiguring.\n", signal);
315 ob_reconfigure();
316 } else {
317 fprintf(stderr, "Caught signal %d. Exiting.\n", signal);
318 ob_exit();
319 }
320 }
321
322 static void print_version()
323 {
324 g_print("Openbox %s\n\n", PACKAGE_VERSION);
325 g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
326 g_print("This is free software, and you are welcome to redistribute it\n");
327 g_print("under certain conditions. See the file COPYING for details.\n\n");
328 }
329
330 static void print_help()
331 {
332 print_version();
333 g_print("Syntax: openbox [options]\n\n");
334 g_print("Options:\n\n");
335 #ifdef USE_SM
336 g_print(" --sm-disable Disable connection to session manager\n");
337 g_print(" --sm-client-id ID Specify session management ID\n");
338 g_print(" --sm-save-file FILE Specify file to load a saved session\n"
339 " from\n");
340 #endif
341 g_print(" --replace Replace the currently running window "
342 "manager\n");
343 g_print(" --help Display this help and exit\n");
344 g_print(" --version Display the version and exit\n");
345 g_print(" --sync Run in synchronous mode (this is slow and\n"
346 " meant for debugging X routines)\n");
347 g_print(" --debug Display debugging output\n");
348 g_print("\nPlease report bugs at %s\n", PACKAGE_BUGREPORT);
349 }
350
351 static void parse_args(int argc, char **argv)
352 {
353 int i;
354
355 for (i = 1; i < argc; ++i) {
356 if (!strcmp(argv[i], "--version")) {
357 print_version();
358 exit(0);
359 } else if (!strcmp(argv[i], "--help")) {
360 print_help();
361 exit(0);
362 } else if (!strcmp(argv[i], "--g-fatal-warnings")) {
363 g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
364 } else if (!strcmp(argv[i], "--replace")) {
365 ob_replace_wm = TRUE;
366 } else if (!strcmp(argv[i], "--sync")) {
367 xsync = TRUE;
368 } else if (!strcmp(argv[i], "--debug")) {
369 ob_debug_show_output(TRUE);
370 } else {
371 g_printerr("Invalid option: '%s'\n\n", argv[i]);
372 print_help();
373 exit(1);
374 }
375 }
376 }
377
378 void ob_exit_with_error(gchar *msg)
379 {
380 g_critical(msg);
381 session_shutdown();
382 exit(EXIT_FAILURE);
383 }
384
385 void ob_restart_other(const gchar *path)
386 {
387 restart_path = g_strdup(path);
388 ob_restart();
389 }
390
391 void ob_restart()
392 {
393 restart = TRUE;
394 ob_exit();
395 }
396
397 void ob_exit()
398 {
399 ob_main_loop_exit(ob_main_loop);
400 }
401
402 Cursor ob_cursor(ObCursor cursor)
403 {
404 g_assert(cursor < OB_NUM_CURSORS);
405 return cursors[cursor];
406 }
407
408 KeyCode ob_keycode(ObKey key)
409 {
410 g_assert(key < OB_NUM_KEYS);
411 return keys[key];
412 }
413
414 ObState ob_state()
415 {
416 return state;
417 }
418
419 gchar *ob_expand_tilde(const gchar *f)
420 {
421 gchar **spl;
422 gchar *ret;
423
424 if (!f)
425 return NULL;
426 spl = g_strsplit(f, "~", 0);
427 ret = g_strjoinv(g_get_home_dir(), spl);
428 g_strfreev(spl);
429 return ret;
430 }
431
432 void ob_reconfigure()
433 {
434 reconfigure = TRUE;
435 ob_exit();
436 }
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