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

   1 #include "openbox.h"
   2 #include "event.h"
   3 #include "menu.h"
   4 #include "client.h"
   5 #include "dispatch.h"
   6 #include "xerror.h"
   7 #include "prop.h"
   8 #include "startup.h"
   9 #include "screen.h"
  10 #include "focus.h"
  11 #include "moveresize.h"
  12 #include "frame.h"
  13 #include "extensions.h"
  14 #include "parse.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 "render/render.h"
  22 #include "render/font.h"
  23 #include "render/theme.h"
  24
  25 #ifdef HAVE_FCNTL_H
  26 #  include <fcntl.h>
  27 #endif
  28 #ifdef HAVE_SIGNAL_H
  29 #  include <signal.h>
  30 #endif
  31 #ifdef HAVE_STDLIB_H
  32 #  include <stdlib.h>
  33 #endif
  34 #ifdef HAVE_LOCALE_H
  35 #  include <locale.h>
  36 #endif
  37 #ifdef HAVE_UNISTD_H
  38 #  include <unistd.h>
  39 #endif
  40 #ifdef HAVE_SYS_STAT_H
  41 #  include <sys/stat.h>
  42 #  include <sys/types.h>
  43 #endif
  44
  45 #include <X11/cursorfont.h>
  46
  47 Display *ob_display  = NULL;
  48 int      ob_screen;
  49 Window   ob_root;
  50 State    ob_state;
  51 gboolean ob_shutdown = FALSE;
  52 gboolean ob_restart  = FALSE;
  53 char    *ob_restart_path = NULL;
  54 gboolean ob_remote   = TRUE;
  55 gboolean ob_sync     = FALSE;
  56 Cursors  ob_cursors;
  57 char    *ob_rc_path  = NULL;
  58
  59 void signal_handler(const ObEvent *e, void *data);
  60 void parse_args(int argc, char **argv);
  61
  62 int main(int argc, char **argv)
  63 {
  64     struct sigaction action;
  65     sigset_t sigset;
  66     char *path;
  67     char *theme;
  68
  69     ob_state = State_Starting;
  70
  71     /* initialize the locale */
  72     if (!setlocale(LC_ALL, ""))
  73         g_warning("Couldn't set locale from environment.\n");
  74     bindtextdomain(PACKAGE_NAME, LOCALEDIR);
  75     bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
  76     textdomain(PACKAGE_NAME);
  77
  78     /* start our event dispatcher and register for signals */
  79     dispatch_startup();
  80     dispatch_register(Event_Signal, signal_handler, NULL);
  81
  82     /* set up signal handler */
  83     sigemptyset(&sigset);
  84     action.sa_handler = dispatch_signal;
  85     action.sa_mask = sigset;
  86     action.sa_flags = SA_NOCLDSTOP;
  87     sigaction(SIGUSR1, &action, (struct sigaction *) NULL);
  88     sigaction(SIGPIPE, &action, (struct sigaction *) NULL);
  89     sigaction(SIGSEGV, &action, (struct sigaction *) NULL);
  90     sigaction(SIGFPE, &action, (struct sigaction *) NULL);
  91     sigaction(SIGTERM, &action, (struct sigaction *) NULL);
  92     sigaction(SIGINT, &action, (struct sigaction *) NULL);
  93     sigaction(SIGHUP, &action, (struct sigaction *) NULL);
  94
  95     /* create the ~/.openbox dir */
  96     path = g_build_filename(g_get_home_dir(), ".openbox", NULL);
  97     mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP |
  98                  S_IROTH | S_IWOTH | S_IXOTH));
  99     g_free(path);
 100     /* create the ~/.openbox/themes dir */
 101     path = g_build_filename(g_get_home_dir(), ".openbox", "themes", NULL);
 102     mkdir(path, (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP |
 103                  S_IROTH | S_IWOTH | S_IXOTH));
 104     g_free(path);
 105
 106     /* parse out command line args */
 107     parse_args(argc, argv);
 108
 109     ob_display = XOpenDisplay(NULL);
 110     if (ob_display == NULL) {
 111         /* print a message and exit */
 112         g_critical("Failed to open the display.");
 113         exit(1);
 114     }
 115     if (fcntl(ConnectionNumber(ob_display), F_SETFD, 1) == -1) {
 116         /* print a message and exit */
 117         g_critical("Failed to set display as close-on-exec.");
 118         exit(1);
 119     }
 120
 121     ob_screen = DefaultScreen(ob_display);
 122     ob_root = RootWindow(ob_display, ob_screen);
 123
 124     /* XXX fork self onto other screens */
 125
 126     XSynchronize(ob_display, ob_sync);
 127
 128     /* check for locale support */
 129     if (!XSupportsLocale())
 130         g_warning("X server does not support locale.");
 131     if (!XSetLocaleModifiers(""))
 132         g_warning("Cannot set locale modifiers for the X server.");
 133
 134     /* set our error handler */
 135     XSetErrorHandler(xerror_handler);
 136
 137     /* set the DISPLAY environment variable for any lauched children, to the
 138        display we're using, so they open in the right place. */
 139     putenv(g_strdup_printf("DISPLAY=%s", DisplayString(ob_display)));
 140
 141     ob_cursors.ptr = XCreateFontCursor(ob_display, XC_left_ptr);
 142     ob_cursors.move = XCreateFontCursor(ob_display, XC_fleur);
 143     ob_cursors.tl = XCreateFontCursor(ob_display, XC_top_left_corner);
 144     ob_cursors.tr = XCreateFontCursor(ob_display, XC_top_right_corner);
 145     ob_cursors.bl = XCreateFontCursor(ob_display, XC_bottom_left_corner);
 146     ob_cursors.br = XCreateFontCursor(ob_display, XC_bottom_right_corner);
 147     ob_cursors.t = XCreateFontCursor(ob_display, XC_top_side);
 148     ob_cursors.r = XCreateFontCursor(ob_display, XC_right_side);
 149     ob_cursors.b = XCreateFontCursor(ob_display, XC_bottom_side);
 150     ob_cursors.l = XCreateFontCursor(ob_display, XC_left_side);
 151
 152     prop_startup(); /* get atoms values for the display */
 153     extensions_query_all(); /* find which extensions are present */
 154
 155     /* save stuff that we can use to restore state */
 156     startup_save();
 157
 158     if (screen_annex()) { /* it will be ours! */
 159         /* startup the parsing so everything can register sections of the rc */
 160         parse_startup();
 161
 162         /* anything that is going to read data from the rc file needs to be
 163            in this group */
 164         timer_startup();
 165         render_startup();
 166         font_startup();
 167         theme_startup();
 168         event_startup();
 169         grab_startup();
 170         plugin_startup();
 171         /* load the plugins specified in the pluginrc */
 172         plugin_loadall();
 173
 174         /* set up the kernel config shit */
 175         config_startup();
 176         /* parse/load user options */
 177         parse_rc();
 178         /* we're done with parsing now, kill it */
 179         parse_shutdown();
 180
 181         /* load the theme specified in the rc file */
 182         theme = theme_load(config_theme);
 183         g_free(theme);
 184         if (!theme) return 1;
 185
 186         menu_startup();
 187         frame_startup();
 188         stacking_startup();
 189         moveresize_startup();
 190         focus_startup();
 191         screen_startup();
 192         group_startup();
 193         client_startup();
 194
 195         /* call startup for all the plugins */
 196         plugin_startall();
 197
 198         /* get all the existing windows */
 199         client_manage_all();
 200
 201         ob_state = State_Running;
 202         while (!ob_shutdown)
 203             event_loop();
 204         ob_state = State_Exiting;
 205
 206         client_unmanage_all();
 207
 208         plugin_shutdown(); /* calls all the plugins' shutdown functions */
 209         client_shutdown();
 210         group_shutdown();
 211         screen_shutdown();
 212         focus_shutdown();
 213         moveresize_shutdown();
 214         stacking_shutdown();
 215         frame_shutdown();
 216         menu_shutdown();
 217         grab_shutdown();
 218         event_shutdown();
 219         theme_shutdown();
 220         render_shutdown();
 221         timer_shutdown();
 222         config_shutdown();
 223     }
 224
 225     dispatch_shutdown();
 226
 227     XCloseDisplay(ob_display);
 228
 229     if (ob_restart) {
 230         if (ob_restart_path != NULL) {
 231             int argcp;
 232             char **argvp;
 233             GError *err = NULL;
 234
 235             /* run other shit */
 236             if (g_shell_parse_argv(ob_restart_path, &argcp, &argvp, &err)) {
 237                 execvp(argvp[0], argvp);
 238                 g_strfreev(argvp);
 239             } else {
 240                 g_warning("failed to execute '%s': %s", ob_restart_path,
 241                           err->message);
 242             }
 243         }
 244
 245         /* re-run me */
 246         execvp(argv[0], argv); /* try how we were run */
 247         execlp(BINARY, BINARY, NULL); /* try this as a last resort */
 248     }
 249
 250     return 0;
 251 }
 252
 253 void signal_handler(const ObEvent *e, void *data)
 254 {
 255     int s;
 256
 257     s = e->data.s.signal;
 258     switch (s) {
 259     case SIGUSR1:
 260         g_message("Caught SIGUSR1 signal. Restarting.");
 261         ob_shutdown = ob_restart = TRUE;
 262         break;
 263
 264     case SIGHUP:
 265     case SIGINT:
 266     case SIGTERM:
 267     case SIGPIPE:
 268         g_message("Caught signal %d. Exiting.", s);
 269         ob_shutdown = TRUE;
 270         break;
 271
 272     case SIGFPE:
 273     case SIGSEGV:
 274         g_error("Caught signal %d. Aborting and dumping core.", s);
 275     }
 276 }
 277
 278 void print_version()
 279 {
 280     g_print("Openbox %s\n\n", PACKAGE_VERSION);
 281     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
 282     g_print("This is free software, and you are welcome to redistribute it\n");
 283     g_print("under certain conditions. See the file COPYING for details.\n\n");
 284 }
 285
 286 void print_help()
 287 {
 288     print_version();
 289     g_print("Syntax: %s [options]\n\n", BINARY);
 290     g_print("Options:\n\n");
 291     g_print("  -rc PATH     Specify the path to the rc file to use\n");
 292     g_print("  -help        Display this help and exit\n");
 293     g_print("  -version     Display the version and exit\n");
 294     g_print("  -sync        Run in synchronous mode (this is slow and meant\n"
 295             "               for debugging X routines)\n");
 296     g_print("\nPlease report bugs at %s\n", PACKAGE_BUGREPORT);
 297 }
 298
 299 void parse_args(int argc, char **argv)
 300 {
 301     int i;
 302
 303     for (i = 1; i < argc; ++i) {
 304         if (!strcmp(argv[i], "-version")) {
 305             print_version();
 306             exit(0);
 307         } else if (!strcmp(argv[i], "-help")) {
 308             print_help();
 309             exit(0);
 310         } else if (!strcmp(argv[i], "-sync")) {
 311             ob_sync = TRUE;
 312         } else if (!strcmp(argv[i], "-rc")) {
 313             if (i == argc - 1) /* no args left */
 314                 g_printerr("-rc requires an argument\n");
 315             else
 316                 ob_rc_path = argv[++i];
 317         } else {
 318             g_printerr("Invalid option: '%s'\n\n", argv[i]);
 319             print_help();
 320             exit(1);
 321         }
 322     }
 323 }
 324
 325 gboolean ob_pointer_pos(int *x, int *y)
 326 {
 327     Window w;
 328     int i;
 329     guint u;
 330
 331     return !!XQueryPointer(ob_display, ob_root, &w, &w, x, y, &i, &i, &u);
 332 }