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

   1 #include "openbox.h"
   2 #include "slit.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         menu_startup();
 188         frame_startup();
 189         moveresize_startup();
 190         focus_startup();
 191         screen_startup();
 192         group_startup();
 193         client_startup();
 194         slit_startup();
 195
 196         /* call startup for all the plugins */
 197         plugin_startall();
 198
 199         /* get all the existing windows */
 200         client_manage_all();
 201
 202         ob_state = State_Running;
 203         while (!ob_shutdown)
 204             event_loop();
 205         ob_state = State_Exiting;
 206
 207         slit_remove_all();
 208         client_unmanage_all();
 209
 210         plugin_shutdown(); /* calls all the plugins' shutdown functions */
 211         slit_shutdown();
 212         client_shutdown();
 213         group_shutdown();
 214         screen_shutdown();
 215         focus_shutdown();
 216         moveresize_shutdown();
 217         frame_shutdown();
 218         menu_shutdown();
 219         grab_shutdown();
 220         event_shutdown();
 221         theme_shutdown();
 222         render_shutdown();
 223         timer_shutdown();
 224         config_shutdown();
 225     }
 226
 227     dispatch_shutdown();
 228
 229     XCloseDisplay(ob_display);
 230
 231     if (ob_restart) {
 232         if (ob_restart_path != NULL) {
 233             int argcp;
 234             char **argvp;
 235             GError *err = NULL;
 236
 237             /* run other shit */
 238             if (g_shell_parse_argv(ob_restart_path, &argcp, &argvp, &err)) {
 239                 execvp(argvp[0], argvp);
 240                 g_strfreev(argvp);
 241             } else {
 242                 g_warning("failed to execute '%s': %s", ob_restart_path,
 243                           err->message);
 244             }
 245         }
 246
 247         /* re-run me */
 248         execvp(argv[0], argv); /* try how we were run */
 249         execlp(BINARY, BINARY, NULL); /* try this as a last resort */
 250     }
 251
 252     return 0;
 253 }
 254
 255 void signal_handler(const ObEvent *e, void *data)
 256 {
 257     int s;
 258
 259     s = e->data.s.signal;
 260     switch (s) {
 261     case SIGUSR1:
 262         g_message("Caught SIGUSR1 signal. Restarting.");
 263         ob_shutdown = ob_restart = TRUE;
 264         break;
 265
 266     case SIGHUP:
 267     case SIGINT:
 268     case SIGTERM:
 269     case SIGPIPE:
 270         g_message("Caught signal %d. Exiting.", s);
 271         ob_shutdown = TRUE;
 272         break;
 273
 274     case SIGFPE:
 275     case SIGSEGV:
 276         g_message("Caught signal %d. Aborting and dumping core.", s);
 277         abort();
 278     }
 279 }
 280
 281 void print_version()
 282 {
 283     g_print("Openbox %s\n\n", PACKAGE_VERSION);
 284     g_print("This program comes with ABSOLUTELY NO WARRANTY.\n");
 285     g_print("This is free software, and you are welcome to redistribute it\n");
 286     g_print("under certain conditions. See the file COPYING for details.\n\n");
 287 }
 288
 289 void print_help()
 290 {
 291     print_version();
 292     g_print("Syntax: %s [options]\n\n", BINARY);
 293     g_print("Options:\n\n");
 294     g_print("  -rc PATH     Specify the path to the rc file to use\n");
 295     g_print("  -help        Display this help and exit\n");
 296     g_print("  -version     Display the version and exit\n");
 297     g_print("  -sync        Run in synchronous mode (this is slow and meant\n"
 298             "               for debugging X routines)\n");
 299     g_print("\nPlease report bugs at %s\n", PACKAGE_BUGREPORT);
 300 }
 301
 302 void parse_args(int argc, char **argv)
 303 {
 304     int i;
 305
 306     for (i = 1; i < argc; ++i) {
 307         if (!strcmp(argv[i], "-version")) {
 308             print_version();
 309             exit(0);
 310         } else if (!strcmp(argv[i], "-help")) {
 311             print_help();
 312             exit(0);
 313         } else if (!strcmp(argv[i], "-sync")) {
 314             ob_sync = TRUE;
 315         } else if (!strcmp(argv[i], "-rc")) {
 316             if (i == argc - 1) /* no args left */
 317                 g_printerr("-rc requires an argument\n");
 318             else
 319                 ob_rc_path = argv[++i];
 320         } else {
 321             g_printerr("Invalid option: '%s'\n\n", argv[i]);
 322             print_help();
 323             exit(1);
 324         }
 325     }
 326 }
 327
 328 gboolean ob_pointer_pos(int *x, int *y)
 329 {
 330     Window w;
 331     int i;
 332     guint u;
 333
 334     return !!XQueryPointer(ob_display, ob_root, &w, &w, x, y, &i, &i, &u);
 335 }