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 RrInstance *ob_rr_inst = NULL;
  49 Display    *ob_display = NULL;
  50 int         ob_screen;
  51 Window      ob_root;
  52 State       ob_state;
  53 gboolean    ob_shutdown = FALSE;
  54 gboolean    ob_restart  = FALSE;
  55 char       *ob_restart_path = NULL;
  56 gboolean    ob_remote   = TRUE;
  57 gboolean    ob_sync     = FALSE;
  58 Cursors     ob_cursors;
  59 char       *ob_rc_path  = NULL;
  60
  61 void signal_handler(const ObEvent *e, void *data);
  62 void parse_args(int argc, char **argv);
  63
  64 int main(int argc, char **argv)
  65 {
  66     struct sigaction action;
  67     sigset_t sigset;
  68     char *path;
  69     char *theme;
  70     xmlDocPtr doc;
  71     xmlNodePtr node;
  72
  73     ob_state = State_Starting;
  74
  75     /* initialize the locale */
  76     if (!setlocale(LC_ALL, ""))
  77         g_warning("Couldn't set locale from environment.\n");
  78     bindtextdomain(PACKAGE_NAME, LOCALEDIR);
  79     bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
  80     textdomain(PACKAGE_NAME);
  81
  82     /* start our event dispatcher and register for signals */
  83     dispatch_startup();
  84     dispatch_register(Event_Signal, signal_handler, NULL);
  85
  86     /* set up signal handler */
  87     sigemptyset(&sigset);
  88     action.sa_handler = dispatch_signal;
  89     action.sa_mask = sigset;
  90     action.sa_flags = SA_NOCLDSTOP;
  91     sigaction(SIGUSR1, &action, (struct sigaction *) NULL);
  92     sigaction(SIGPIPE, &action, (struct sigaction *) NULL);
  93     sigaction(SIGSEGV, &action, (struct sigaction *) NULL);
  94     sigaction(SIGFPE, &action, (struct sigaction *) NULL);
  95     sigaction(SIGTERM, &action, (struct sigaction *) NULL);
  96     sigaction(SIGINT, &action, (struct sigaction *) NULL);
  97     sigaction(SIGHUP, &action, (struct sigaction *) NULL);
  98
  99     /* create the ~/.openbox dir */
 100     path = g_build_filename(g_get_home_dir(), ".openbox", NULL);
 101     mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP |
 102                  S_IROTH | S_IWOTH | S_IXOTH));
 103     g_free(path);
 104     /* create the ~/.openbox/themes dir */
 105     path = g_build_filename(g_get_home_dir(), ".openbox", "themes", NULL);
 106     mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP |
 107                  S_IROTH | S_IWOTH | S_IXOTH));
 108     g_free(path);
 109
 110     /* parse out command line args */
 111     parse_args(argc, argv);
 112
 113     ob_display = XOpenDisplay(NULL);
 114     if (ob_display == NULL) {
 115         /* print a message and exit */
 116         g_critical("Failed to open the display.");
 117         exit(1);
 118     }
 119     if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1) {
 120         /* print a message and exit */
 121         g_critical("Failed to set display as close-on-exec.");
 122         exit(1);
 123     }
 124
 125 #ifdef USE_LIBSN
 126     ob_sn_display = sn_display_new(ob_display, NULL, NULL);
 127 #endif
 128
 129     ob_screen = DefaultScreen(ob_display);
 130     ob_root = RootWindow(ob_display, ob_screen);
 131
 132     ob_rr_inst = RrInstanceNew(ob_display, ob_screen);
 133     if (ob_rr_inst == NULL) {
 134         g_critical("Failed to initialize the render library.");
 135         exit(1);
 136     }
 137
 138     /* XXX fork self onto other screens */
 139
 140     XSynchronize(ob_display, ob_sync);
 141
 142     /* check for locale support */
 143     if (!XSupportsLocale())
 144         g_warning("X server does not support locale.");
 145     if (!XSetLocaleModifiers(""))
 146         g_warning("Cannot set locale modifiers for the X server.");
 147
 148     /* set our error handler */
 149     XSetErrorHandler(xerror_handler);
 150
 151     /* set the DISPLAY environment variable for any lauched children, to the
 152        display we're using, so they open in the right place. */
 153     putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
 154
 155     ob_cursors.ptr = XCreateFontCursor(ob_display, XC_left_ptr);
 156     ob_cursors.busy = XCreateFontCursor(ob_display, XC_watch);
 157     ob_cursors.move = XCreateFontCursor(ob_display, XC_fleur);
 158     ob_cursors.tl = XCreateFontCursor(ob_display, XC_top_left_corner);
 159     ob_cursors.tr = XCreateFontCursor(ob_display, XC_top_right_corner);
 160     ob_cursors.bl = XCreateFontCursor(ob_display, XC_bottom_left_corner);
 161     ob_cursors.br = XCreateFontCursor(ob_display, XC_bottom_right_corner);
 162     ob_cursors.t = XCreateFontCursor(ob_display, XC_top_side);
 163     ob_cursors.r = XCreateFontCursor(ob_display, XC_right_side);
 164     ob_cursors.b = XCreateFontCursor(ob_display, XC_bottom_side);
 165     ob_cursors.l = XCreateFontCursor(ob_display, XC_left_side);
 166
 167     prop_startup(); /* get atoms values for the display */
 168     extensions_query_all(); /* find which extensions are present */
 169
 170     /* save stuff that we can use to restore state */
 171     startup_save();
 172
 173     if (screen_annex()) { /* it will be ours! */
 174         /* startup the parsing so everything can register sections of the rc */
 175         parse_startup();
 176
 177         /* anything that is going to read data from the rc file needs to be
 178            in this group */
 179         timer_startup();
 180         font_startup();
 181         theme_startup(ob_rr_inst);
 182         event_startup();
 183         grab_startup();
 184         plugin_startup();
 185         /* load the plugins specified in the pluginrc */
 186         plugin_loadall();
 187
 188         /* set up the kernel config shit */
 189         config_startup();
 190         /* parse/load user options */
 191         if (parse_load_rc(&doc, &node))
 192             parse_tree(doc, node->xmlChildrenNode, NULL);
 193         /* we're done with parsing now, kill it */
 194         parse_shutdown();
 195
 196         /* load the theme specified in the rc file */
 197         theme = theme_load(config_theme);
 198         g_free(theme);
 199         if (!theme) return 1;
 200
 201         window_startup();
 202         menu_startup();
 203         frame_startup();
 204         moveresize_startup();
 205         focus_startup();
 206         screen_startup();
 207         group_startup();
 208         client_startup();
 209         dock_startup();
 210
 211         /* call startup for all the plugins */
 212         plugin_startall();
 213
 214         /* get all the existing windows */
 215         client_manage_all();
 216
 217         ob_state = State_Running;
 218         while (!ob_shutdown)
 219             event_loop();
 220         ob_state = State_Exiting;
 221
 222         dock_remove_all();
 223         client_unmanage_all();
 224
 225         plugin_shutdown(); /* calls all the plugins' shutdown functions */
 226         dock_shutdown();
 227         client_shutdown();
 228         group_shutdown();
 229         screen_shutdown();
 230         focus_shutdown();
 231         moveresize_shutdown();
 232         frame_shutdown();
 233         menu_shutdown();
 234         window_shutdown();
 235         grab_shutdown();
 236         event_shutdown();
 237         theme_shutdown();
 238         timer_shutdown();
 239         config_shutdown();
 240     }
 241
 242     dispatch_shutdown();
 243
 244     RrInstanceFree(ob_rr_inst);
 245     XCloseDisplay(ob_display);
 246
 247     if (ob_restart) {
 248         if (ob_restart_path != NULL) {
 249             int argcp;
 250             char **argvp;
 251             GError *err = NULL;
 252
 253             /* run other shit */
 254             if (g_shell_parse_argv(ob_restart_path, &argcp, &argvp, &err)) {
 255                 execvp(argvp[0], argvp);
 256                 g_strfreev(argvp);
 257             } else {
 258                 g_warning("failed to execute '%s': %s", ob_restart_path,
 259                           err->message);
 260             }
 261         }
 262
 263         /* re-run me */
 264         execvp(argv[0], argv); /* try how we were run */
 265         execlp(BINARY, BINARY, NULL); /* try this as a last resort */
 266     }
 267
 268     return 0;
 269 }
 270
 271 void signal_handler(const ObEvent *e, void *data)
 272 {
 273     int s;
 274
 275     s = e->data.s.signal;
 276     switch (s) {
 277     case SIGUSR1:
 278         g_message("Caught SIGUSR1 signal. Restarting.");
 279         ob_shutdown = ob_restart = TRUE;
 280         break;
 281
 282     case SIGHUP:
 283     case SIGINT:
 284     case SIGTERM:
 285     case SIGPIPE:
 286         g_message("Caught signal %d. Exiting.", s);
 287         ob_shutdown = TRUE;
 288         break;
 289
 290     case SIGFPE:
 291     case SIGSEGV:
 292         g_message("Caught signal %d. Aborting and dumping core.", s);
 293         abort();
 294     }
 295 }
 296
 297 void print_version()
 298 {
 299     g_print("Openbox %s\n\n", PACKAGE_VERSION);
 300     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
 301     g_print("This is free software, and you are welcome to redistribute it\n");
 302     g_print("under certain conditions. See the file COPYING for details.\n\n");
 303 }
 304
 305 void print_help()
 306 {
 307     print_version();
 308     g_print("Syntax: %s [options]\n\n", BINARY);
 309     g_print("Options:\n\n");
 310     g_print("  -rc PATH     Specify the path to the rc file to use\n");
 311     g_print("  -help        Display this help and exit\n");
 312     g_print("  -version     Display the version and exit\n");
 313     g_print("  -sync        Run in synchronous mode (this is slow and meant\n"
 314             "               for debugging X routines)\n");
 315     g_print("\nPlease report bugs at %s\n", PACKAGE_BUGREPORT);
 316 }
 317
 318 void parse_args(int argc, char **argv)
 319 {
 320     int i;
 321
 322     for (i = 1; i < argc; ++i) {
 323         if (!strcmp(argv[i], "-version")) {
 324             print_version();
 325             exit(0);
 326         } else if (!strcmp(argv[i], "-help")) {
 327             print_help();
 328             exit(0);
 329         } else if (!strcmp(argv[i], "-sync")) {
 330             ob_sync = TRUE;
 331         } else if (!strcmp(argv[i], "-rc")) {
 332             if (i == argc - 1) /* no args left */
 333                 g_printerr("-rc requires an argument\n");
 334             else
 335                 ob_rc_path = argv[++i];
 336         } else {
 337             g_printerr("Invalid option: '%s'\n\n", argv[i]);
 338             print_help();
 339             exit(1);
 340         }
 341     }
 342 }
 343
 344 gboolean ob_pointer_pos(int *x, int *y)
 345 {
 346     Window w;
 347     int i;
 348     guint u;
 349
 350     return !!XQueryPointer(ob_display, ob_root, &w, &w, x, y, &i, &i, &u);
 351 }