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