adjust the themes for the frames before everything else happens, cuz they store point...
[dana/openbox.git] / 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     session_startup(&argc, &argv);
105
106     /* parse out command line args */
107     parse_args(argc, argv);
108
109     ob_display = XOpenDisplay(NULL);
110     if (ob_display == NULL)
111         ob_exit_with_error("Failed to open the display.");
112     if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1)
113         ob_exit_with_error("Failed to set display as close-on-exec.");
114
115     ob_main_loop = ob_main_loop_new(ob_display);
116
117     /* set up signal handler */
118     ob_main_loop_signal_add(ob_main_loop, SIGUSR1, signal_handler, NULL, NULL);
119     ob_main_loop_signal_add(ob_main_loop, SIGUSR2, signal_handler, NULL, NULL);
120     ob_main_loop_signal_add(ob_main_loop, SIGTERM, signal_handler, NULL, NULL);
121     ob_main_loop_signal_add(ob_main_loop, SIGINT, signal_handler, NULL, NULL);
122     ob_main_loop_signal_add(ob_main_loop, SIGHUP, signal_handler, NULL, NULL);
123     ob_main_loop_signal_add(ob_main_loop, SIGPIPE, signal_handler, NULL, NULL);
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             {
193                 ObParseInst *i;
194                 xmlDocPtr doc;
195                 xmlNodePtr node;
196
197                 /* startup the parsing so everything can register sections
198                    of the rc */
199                 i = parse_startup();
200
201                 config_startup(i);
202                 /* parse/load user options */
203                 if (parse_load_rc(&doc, &node))
204                     parse_tree(i, doc, node->xmlChildrenNode);
205                 /* we're done with parsing now, kill it */
206                 xmlFreeDoc(doc);
207                 parse_shutdown(i);
208             }
209
210             /* load the theme specified in the rc file */
211             {
212                 RrTheme *theme;
213                 if ((theme = RrThemeNew(ob_rr_inst, config_theme))) {
214                     RrThemeFree(ob_rr_theme);
215                     ob_rr_theme = theme;
216                 }
217                 if (ob_rr_theme == NULL)
218                     ob_exit_with_error("Unable to load a theme.");
219             }
220
221             if (reconfigure) {
222                 GList *it;
223
224                 /* update all existing windows for the new theme */
225                 for (it = client_list; it; it = g_list_next(it)) {
226                     ObClient *c = it->data;
227                     frame_adjust_theme(c->frame);
228                 }
229             }
230             event_startup(reconfigure);
231             grab_startup(reconfigure);
232             /* focus_backup is used for stacking, so this needs to come before
233                anything that calls stacking_add */
234             focus_startup(reconfigure);
235             window_startup(reconfigure);
236             sn_startup(reconfigure);
237             screen_startup(reconfigure);
238             group_startup(reconfigure);
239             client_startup(reconfigure);
240             dock_startup(reconfigure);
241             moveresize_startup(reconfigure);
242             keyboard_startup(reconfigure);
243             mouse_startup(reconfigure);
244             menu_startup(reconfigure);
245
246             if (!reconfigure) {
247                 /* get all the existing windows */
248                 client_manage_all();
249             } else {
250                 GList *it;
251
252                 /* redecorate all existing windows */
253                 for (it = client_list; it; it = g_list_next(it)) {
254                     ObClient *c = it->data;
255                     frame_adjust_area(c->frame, TRUE, TRUE, FALSE);
256                 }
257             }
258
259             reconfigure = FALSE;
260
261             state = OB_STATE_RUNNING;
262             ob_main_loop_run(ob_main_loop);
263             state = OB_STATE_EXITING;
264
265             if (!reconfigure) {
266                 dock_remove_all();
267                 client_unmanage_all();
268             }
269
270             menu_shutdown(reconfigure);
271             mouse_shutdown(reconfigure);
272             keyboard_shutdown(reconfigure);
273             moveresize_shutdown(reconfigure);
274             dock_shutdown(reconfigure);
275             client_shutdown(reconfigure);
276             group_shutdown(reconfigure);
277             screen_shutdown(reconfigure);
278             focus_shutdown(reconfigure);
279             sn_shutdown(reconfigure);
280             window_shutdown(reconfigure);
281             grab_shutdown(reconfigure);
282             event_shutdown(reconfigure);
283             config_shutdown();
284         } while (reconfigure);
285     }
286
287     RrThemeFree(ob_rr_theme);
288     RrInstanceFree(ob_rr_inst);
289
290     session_shutdown();
291
292     XCloseDisplay(ob_display);
293
294     if (restart) {
295         if (restart_path != NULL) {
296             int argcp;
297             char **argvp;
298             GError *err = NULL;
299
300             /* run other shit */
301             if (g_shell_parse_argv(restart_path, &argcp, &argvp, &err)) {
302                 execvp(argvp[0], argvp);
303                 g_strfreev(argvp);
304             } else {
305                 g_warning("failed to execute '%s': %s", restart_path,
306                           err->message);
307             }
308         }
309
310         /* re-run me */
311         execvp(argv[0], argv); /* try how we were run */
312         execlp(argv[0], g_path_get_basename(argv[0])); /* last resort */
313     }
314      
315     return 0;
316 }
317
318 static void signal_handler(int signal, gpointer data)
319 {
320     if (signal == SIGUSR1) {
321         fprintf(stderr, "Caught signal %d. Restarting.\n", signal);
322         ob_restart();
323     } else if (signal == SIGUSR2) {
324         fprintf(stderr, "Caught signal %d. Reconfiguring.\n", signal);
325         ob_reconfigure();
326     } else {
327         fprintf(stderr, "Caught signal %d. Exiting.\n", signal);
328         ob_exit();
329     }
330 }
331
332 static void print_version()
333 {
334     g_print("Openbox %s\n\n", PACKAGE_VERSION);
335     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
336     g_print("This is free software, and you are welcome to redistribute it\n");
337     g_print("under certain conditions. See the file COPYING for details.\n\n");
338 }
339
340 static void print_help()
341 {
342     print_version();
343     g_print("Syntax: openbox [options]\n\n");
344     g_print("Options:\n\n");
345 #ifdef USE_SM
346     g_print("  --sm-disable        Disable connection to session manager\n");
347     g_print("  --sm-client-id ID   Specify session management ID\n");
348     g_print("  --sm-save-file FILE Specify file to load a saved session\n"
349             "                      from\n");
350 #endif
351     g_print("  --replace           Replace the currently running window "
352             "manager\n");
353     g_print("  --help              Display this help and exit\n");
354     g_print("  --version           Display the version and exit\n");
355     g_print("  --sync              Run in synchronous mode (this is slow and\n"
356             "                      meant for debugging X routines)\n");
357     g_print("  --debug             Display debugging output\n");
358     g_print("\nPlease report bugs at %s\n", PACKAGE_BUGREPORT);
359 }
360
361 static void parse_args(int argc, char **argv)
362 {
363     int i;
364
365     for (i = 1; i < argc; ++i) {
366         if (!strcmp(argv[i], "--version")) {
367             print_version();
368             exit(0);
369         } else if (!strcmp(argv[i], "--help")) {
370             print_help();
371             exit(0);
372         } else if (!strcmp(argv[i], "--g-fatal-warnings")) {
373             g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
374         } else if (!strcmp(argv[i], "--replace")) {
375             ob_replace_wm = TRUE;
376         } else if (!strcmp(argv[i], "--sync")) {
377             xsync = TRUE;
378         } else if (!strcmp(argv[i], "--debug")) {
379             ob_debug_show_output(TRUE);
380         } else {
381             g_printerr("Invalid option: '%s'\n\n", argv[i]);
382             print_help();
383             exit(1);
384         }
385     }
386 }
387
388 void ob_exit_with_error(gchar *msg)
389 {
390     g_critical(msg);
391     session_shutdown();
392     exit(EXIT_FAILURE);
393 }
394
395 void ob_restart_other(const gchar *path)
396 {
397     restart_path = g_strdup(path);
398     ob_restart();
399 }
400
401 void ob_restart()
402 {
403     restart = TRUE;
404     ob_exit();
405 }
406
407 void ob_exit()
408 {
409     ob_main_loop_exit(ob_main_loop);
410 }
411
412 Cursor ob_cursor(ObCursor cursor)
413 {
414     g_assert(cursor < OB_NUM_CURSORS);
415     return cursors[cursor];
416 }
417
418 KeyCode ob_keycode(ObKey key)
419 {
420     g_assert(key < OB_NUM_KEYS);
421     return keys[key];
422 }
423
424 ObState ob_state()
425 {
426     return state;
427 }
428
429 gchar *ob_expand_tilde(const gchar *f)
430 {
431     gchar **spl;
432     gchar *ret;
433
434     if (!f)
435         return NULL;
436     spl = g_strsplit(f, "~", 0);
437     ret = g_strjoinv(g_get_home_dir(), spl);
438     g_strfreev(spl);
439     return ret;
440 }
441
442 void ob_reconfigure()
443 {
444     reconfigure = TRUE;
445     ob_exit();
446 }