Dogcows Code - chaz/openbox/blob - openbox/openbox.c

   1 #include "openbox.h"
   2 #include "dock.h"
   3 #include "event.h"
   4 #include "menu.h"
   5 #include "client.h"
   6 #include "dispatch.h"
   7 #include "xerror.h"
   8 #include "prop.h"
   9 #include "startup.h"
  10 #include "screen.h"
  11 #include "focus.h"
  12 #include "moveresize.h"
  13 #include "frame.h"
  14 #include "extensions.h"
  15 #include "grab.h"
  16 #include "plugin.h"
  17 #include "timer.h"
  18 #include "group.h"
  19 #include "config.h"
  20 #include "gettext.h"
  21 #include "parser/parse.h"
  22 #include "render/render.h"
  23 #include "render/font.h"
  24 #include "render/theme.h"
  25
  26 #ifdef HAVE_FCNTL_H
  27 #  include <fcntl.h>
  28 #endif
  29 #ifdef HAVE_SIGNAL_H
  30 #  include <signal.h>
  31 #endif
  32 #ifdef HAVE_STDLIB_H
  33 #  include <stdlib.h>
  34 #endif
  35 #ifdef HAVE_LOCALE_H
  36 #  include <locale.h>
  37 #endif
  38 #ifdef HAVE_UNISTD_H
  39 #  include <unistd.h>
  40 #endif
  41 #ifdef HAVE_SYS_STAT_H
  42 #  include <sys/stat.h>
  43 #  include <sys/types.h>
  44 #endif
  45
  46 #include <X11/cursorfont.h>
  47
  48 Display *ob_display  = NULL;
  49 int      ob_screen;
  50 Window   ob_root;
  51 State    ob_state;
  52 gboolean ob_shutdown = FALSE;
  53 gboolean ob_restart  = FALSE;
  54 char    *ob_restart_path = NULL;
  55 gboolean ob_remote   = TRUE;
  56 gboolean ob_sync     = FALSE;
  57 Cursors  ob_cursors;
  58 char    *ob_rc_path  = NULL;
  59
  60 void signal_handler(const ObEvent *e, void *data);
  61 void parse_args(int argc, char **argv);
  62
  63 int main(int argc, char **argv)
  64 {
  65     struct sigaction action;
  66     sigset_t sigset;
  67     char *path;
  68     char *theme;
  69     xmlDocPtr doc;
  70     xmlNodePtr node;
  71
  72     ob_state = State_Starting;
  73
  74     /* initialize the locale */
  75     if (!setlocale(LC_ALL, ""))
  76         g_warning("Couldn't set locale from environment.\n");
  77     bindtextdomain(PACKAGE_NAME, LOCALEDIR);
  78     bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
  79     textdomain(PACKAGE_NAME);
  80
  81     /* start our event dispatcher and register for signals */
  82     dispatch_startup();
  83     dispatch_register(Event_Signal, signal_handler, NULL);
  84
  85     /* set up signal handler */
  86     sigemptyset(&sigset);
  87     action.sa_handler = dispatch_signal;
  88     action.sa_mask = sigset;
  89     action.sa_flags = SA_NOCLDSTOP;
  90     sigaction(SIGUSR1, &action, (struct sigaction *) NULL);
  91     sigaction(SIGPIPE, &action, (struct sigaction *) NULL);
  92     sigaction(SIGSEGV, &action, (struct sigaction *) NULL);
  93     sigaction(SIGFPE, &action, (struct sigaction *) NULL);
  94     sigaction(SIGTERM, &action, (struct sigaction *) NULL);
  95     sigaction(SIGINT, &action, (struct sigaction *) NULL);
  96     sigaction(SIGHUP, &action, (struct sigaction *) NULL);
  97
  98     /* create the ~/.openbox dir */
  99     path = g_build_filename(g_get_home_dir(), ".openbox", NULL);
 100     mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP |
 101                  S_IROTH | S_IWOTH | S_IXOTH));
 102     g_free(path);
 103     /* create the ~/.openbox/themes dir */
 104     path = g_build_filename(g_get_home_dir(), ".openbox", "themes", NULL);
 105     mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP |
 106                  S_IROTH | S_IWOTH | S_IXOTH));
 107     g_free(path);
 108
 109     /* parse out command line args */
 110     parse_args(argc, argv);
 111
 112     ob_display = XOpenDisplay(NULL);
 113     if (ob_display == NULL) {
 114         /* print a message and exit */
 115         g_critical("Failed to open the display.");
 116         exit(1);
 117     }
 118     if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1) {
 119         /* print a message and exit */
 120         g_critical("Failed to set display as close-on-exec.");
 121         exit(1);
 122     }
 123
 124 #ifdef USE_LIBSN
 125     ob_sn_display = sn_display_new(ob_display, NULL, NULL);
 126 #endif
 127
 128     ob_screen = DefaultScreen(ob_display);
 129     ob_root = RootWindow(ob_display, ob_screen);
 130
 131     /* XXX fork self onto other screens */
 132
 133     XSynchronize(ob_display, ob_sync);
 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     ob_cursors.ptr = XCreateFontCursor(ob_display, XC_left_ptr);
 149     ob_cursors.busy = XCreateFontCursor(ob_display, XC_watch);
 150     ob_cursors.move = XCreateFontCursor(ob_display, XC_fleur);
 151     ob_cursors.tl = XCreateFontCursor(ob_display, XC_top_left_corner);
 152     ob_cursors.tr = XCreateFontCursor(ob_display, XC_top_right_corner);
 153     ob_cursors.bl = XCreateFontCursor(ob_display, XC_bottom_left_corner);
 154     ob_cursors.br = XCreateFontCursor(ob_display, XC_bottom_right_corner);
 155     ob_cursors.t = XCreateFontCursor(ob_display, XC_top_side);
 156     ob_cursors.r = XCreateFontCursor(ob_display, XC_right_side);
 157     ob_cursors.b = XCreateFontCursor(ob_display, XC_bottom_side);
 158     ob_cursors.l = XCreateFontCursor(ob_display, XC_left_side);
 159
 160     prop_startup(); /* get atoms values for the display */
 161     extensions_query_all(); /* find which extensions are present */
 162
 163     /* save stuff that we can use to restore state */
 164     startup_save();
 165
 166     if (screen_annex()) { /* it will be ours! */
 167         /* startup the parsing so everything can register sections of the rc */
 168         parse_startup();
 169
 170         /* anything that is going to read data from the rc file needs to be
 171            in this group */
 172         timer_startup();
 173         render_startup();
 174         font_startup();
 175         theme_startup();
 176         event_startup();
 177         grab_startup();
 178         plugin_startup();
 179         /* load the plugins specified in the pluginrc */
 180         plugin_loadall();
 181
 182         /* set up the kernel config shit */
 183         config_startup();
 184         /* parse/load user options */
 185         if (parse_load_rc(&doc, &node))
 186             parse_tree(doc, node->xmlChildrenNode, NULL);
 187         /* we're done with parsing now, kill it */
 188         parse_shutdown();
 189
 190         /* load the theme specified in the rc file */
 191         theme = theme_load(config_theme);
 192         g_free(theme);
 193         if (!theme) return 1;
 194
 195         window_startup();
 196         menu_startup();
 197         frame_startup();
 198         moveresize_startup();
 199         focus_startup();
 200         screen_startup();
 201         group_startup();
 202         client_startup();
 203         dock_startup();
 204
 205         /* call startup for all the plugins */
 206         plugin_startall();
 207
 208         /* get all the existing windows */
 209         client_manage_all();
 210
 211         ob_state = State_Running;
 212         while (!ob_shutdown)
 213             event_loop();
 214         ob_state = State_Exiting;
 215
 216         dock_remove_all();
 217         client_unmanage_all();
 218
 219         plugin_shutdown(); /* calls all the plugins' shutdown functions */
 220         dock_shutdown();
 221         client_shutdown();
 222         group_shutdown();
 223         screen_shutdown();
 224         focus_shutdown();
 225         moveresize_shutdown();
 226         frame_shutdown();
 227         menu_shutdown();
 228         window_shutdown();
 229         grab_shutdown();
 230         event_shutdown();
 231         theme_shutdown();
 232         render_shutdown();
 233         timer_shutdown();
 234         config_shutdown();
 235     }
 236
 237     dispatch_shutdown();
 238
 239     XCloseDisplay(ob_display);
 240
 241     if (ob_restart) {
 242         if (ob_restart_path != NULL) {
 243             int argcp;
 244             char **argvp;
 245             GError *err = NULL;
 246
 247             /* run other shit */
 248             if (g_shell_parse_argv(ob_restart_path, &argcp, &argvp, &err)) {
 249                 execvp(argvp[0], argvp);
 250                 g_strfreev(argvp);
 251             } else {
 252                 g_warning("failed to execute '%s': %s", ob_restart_path,
 253                           err->message);
 254             }
 255         }
 256
 257         /* re-run me */
 258         execvp(argv[0], argv); /* try how we were run */
 259         execlp(BINARY, BINARY, NULL); /* try this as a last resort */
 260     }
 261
 262     return 0;
 263 }
 264
 265 void signal_handler(const ObEvent *e, void *data)
 266 {
 267     int s;
 268
 269     s = e->data.s.signal;
 270     switch (s) {
 271     case SIGUSR1:
 272         g_message("Caught SIGUSR1 signal. Restarting.");
 273         ob_shutdown = ob_restart = TRUE;
 274         break;
 275
 276     case SIGHUP:
 277     case SIGINT:
 278     case SIGTERM:
 279     case SIGPIPE:
 280         g_message("Caught signal %d. Exiting.", s);
 281         ob_shutdown = TRUE;
 282         break;
 283
 284     case SIGFPE:
 285     case SIGSEGV:
 286         g_message("Caught signal %d. Aborting and dumping core.", s);
 287         abort();
 288     }
 289 }
 290
 291 void print_version()
 292 {
 293     g_print("Openbox %s\n\n", PACKAGE_VERSION);
 294     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
 295     g_print("This is free software, and you are welcome to redistribute it\n");
 296     g_print("under certain conditions. See the file COPYING for details.\n\n");
 297 }
 298
 299 void print_help()
 300 {
 301     print_version();
 302     g_print("Syntax: %s [options]\n\n", BINARY);
 303     g_print("Options:\n\n");
 304     g_print("  -rc PATH     Specify the path to the rc file to use\n");
 305     g_print("  -help        Display this help and exit\n");
 306     g_print("  -version     Display the version and exit\n");
 307     g_print("  -sync        Run in synchronous mode (this is slow and meant\n"
 308             "               for debugging X routines)\n");
 309     g_print("\nPlease report bugs at %s\n", PACKAGE_BUGREPORT);
 310 }
 311
 312 void parse_args(int argc, char **argv)
 313 {
 314     int i;
 315
 316     for (i = 1; i < argc; ++i) {
 317         if (!strcmp(argv[i], "-version")) {
 318             print_version();
 319             exit(0);
 320         } else if (!strcmp(argv[i], "-help")) {
 321             print_help();
 322             exit(0);
 323         } else if (!strcmp(argv[i], "-sync")) {
 324             ob_sync = TRUE;
 325         } else if (!strcmp(argv[i], "-rc")) {
 326             if (i == argc - 1) /* no args left */
 327                 g_printerr("-rc requires an argument\n");
 328             else
 329                 ob_rc_path = argv[++i];
 330         } else {
 331             g_printerr("Invalid option: '%s'\n\n", argv[i]);
 332             print_help();
 333             exit(1);
 334         }
 335     }
 336 }
 337
 338 gboolean ob_pointer_pos(int *x, int *y)
 339 {
 340     Window w;
 341     int i;
 342     guint u;
 343
 344     return !!XQueryPointer(ob_display, ob_root, &w, &w, x, y, &i, &i, &u);
 345 }