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