src/main.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include "wconfig.h"
  22
  23 #ifdef HAVE_INOTIFY
  24 #include <sys/inotify.h>
  25 #endif
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <unistd.h>
  30 #include <string.h>
  31 #include <sys/stat.h>
  32 #include <sys/types.h>
  33 #include <fcntl.h>
  34
  35 #include <X11/Xlib.h>
  36 #include <X11/Xutil.h>
  37
  38 /* Xlocale.h and locale.h are the same if X_LOCALE is undefind in wconfig.h,
  39  * and if X_LOCALE is defined, X's locale emulating functions will be used.
  40  * See Xlocale.h for more information.
  41  */
  42 #include <X11/Xlocale.h>
  43
  44 #define MAINFILE
  45
  46 #include "WindowMaker.h"
  47 #include "window.h"
  48 #include "defaults.h"
  49 #include "event.h"
  50 #include "startup.h"
  51 #include "menu.h"
  52 #include "keybind.h"
  53 #include "xmodifier.h"
  54 #include "session.h"
  55 #include "shutdown.h"
  56 #include "dialog.h"
  57 #include "main.h"
  58 #include "monitor.h"
  59
  60 #include <WINGs/WUtil.h>
  61
  62 #ifndef GLOBAL_DEFAULTS_SUBDIR
  63 #define GLOBAL_DEFAULTS_SUBDIR "WindowMaker"
  64 #endif
  65
  66 /****** Global Variables ******/
  67 struct wmaker_global_variables w_global;
  68
  69 /* general info */
  70
  71 Display *dpy;
  72
  73 char *ProgName;
  74
  75 struct WPreferences wPreferences;
  76
  77 WShortKey wKeyBindings[WKBD_LAST];
  78
  79 /* notifications */
  80 const char WMNManaged[] = "WMNManaged";
  81 const char WMNUnmanaged[] = "WMNUnmanaged";
  82 const char WMNChangedWorkspace[] = "WMNChangedWorkspace";
  83 const char WMNChangedState[] = "WMNChangedState";
  84 const char WMNChangedFocus[] = "WMNChangedFocus";
  85 const char WMNChangedStacking[] = "WMNChangedStacking";
  86 const char WMNChangedName[] = "WMNChangedName";
  87
  88 const char WMNWorkspaceCreated[] = "WMNWorkspaceCreated";
  89 const char WMNWorkspaceDestroyed[] = "WMNWorkspaceDestroyed";
  90 const char WMNWorkspaceChanged[] = "WMNWorkspaceChanged";
  91 const char WMNWorkspaceNameChanged[] = "WMNWorkspaceNameChanged";
  92
  93 const char WMNResetStacking[] = "WMNResetStacking";
  94
  95 /******** End Global Variables *****/
  96
  97 static char *DisplayName = NULL;
  98
  99 static char **Arguments;
 100
 101 static int ArgCount;
 102
 103 static Bool multiHead = True;
 104
 105 static int *wVisualID = NULL;
 106 static int wVisualID_len = 0;
 107
 108 static int real_main(int argc, char **argv);
 109
 110 int getWVisualID(int screen)
 111 {
 112         if (wVisualID == NULL)
 113                 return -1;
 114         if (screen < 0 || screen >= wVisualID_len)
 115                 return -1;
 116
 117         return wVisualID[screen];
 118 }
 119
 120 static void setWVisualID(int screen, int val)
 121 {
 122         int i;
 123
 124         if (screen < 0)
 125                 return;
 126
 127         if (wVisualID == NULL) {
 128                 /* no array at all, alloc space for screen + 1 entries
 129                  * and init with default value */
 130                 wVisualID_len = screen + 1;
 131                 wVisualID = (int *)malloc(wVisualID_len * sizeof(int));
 132                 for (i = 0; i < wVisualID_len; i++) {
 133                         wVisualID[i] = -1;
 134                 }
 135         } else if (screen >= wVisualID_len) {
 136                 /* larger screen number than previously allocated
 137                  so enlarge array */
 138                 int oldlen = wVisualID_len;
 139
 140                 wVisualID_len = screen + 1;
 141                 wVisualID = (int *)realloc(wVisualID, wVisualID_len * sizeof(int));
 142                 for (i = oldlen; i < wVisualID_len; i++) {
 143                         wVisualID[i] = -1;
 144                 }
 145         }
 146
 147         wVisualID[screen] = val;
 148 }
 149
 150 /*
 151  * this function splits a given string at the comma into tokens
 152  * and set the wVisualID variable to each parsed number
 153  */
 154 static int initWVisualID(const char *user_str)
 155 {
 156         char *mystr = strdup(user_str);
 157         int cur_in_pos = 0;
 158         int cur_out_pos = 0;
 159         int cur_screen = 0;
 160         int error_found = 0;
 161
 162         for (;;) {
 163                 /* check for delimiter */
 164                 if (user_str[cur_in_pos] == '\0' || user_str[cur_in_pos] == ',') {
 165                         int v;
 166
 167                         mystr[cur_out_pos] = '\0';
 168
 169                         if (sscanf(mystr, "%i", &v) != 1) {
 170                                 error_found = 1;
 171                                 break;
 172                         }
 173
 174                         setWVisualID(cur_screen, v);
 175
 176                         cur_screen++;
 177                         cur_out_pos = 0;
 178                 }
 179
 180                 /* break in case last char has been consumed */
 181                 if (user_str[cur_in_pos] == '\0')
 182                         break;
 183
 184                 /* if the current char is no delimiter put it into mystr */
 185                 if (user_str[cur_in_pos] != ',') {
 186                         mystr[cur_out_pos++] = user_str[cur_in_pos];
 187                 }
 188                 cur_in_pos++;
 189         }
 190
 191         free(mystr);
 192
 193         if (cur_screen == 0||error_found != 0)
 194                 return 1;
 195
 196         return 0;
 197 }
 198
 199 noreturn void Exit(int status)
 200 {
 201         if (dpy)
 202                 XCloseDisplay(dpy);
 203
 204         exit(status);
 205 }
 206
 207 void Restart(char *manager, Bool abortOnFailure)
 208 {
 209         char *prog = NULL;
 210         char *argv[MAX_RESTART_ARGS];
 211         int i;
 212
 213         if (manager && manager[0] != 0) {
 214                 prog = argv[0] = strtok(manager, " ");
 215                 for (i = 1; i < MAX_RESTART_ARGS; i++) {
 216                         argv[i] = strtok(NULL, " ");
 217                         if (argv[i] == NULL) {
 218                                 break;
 219                         }
 220                 }
 221         }
 222         if (dpy) {
 223                 XCloseDisplay(dpy);
 224                 dpy = NULL;
 225         }
 226         if (!prog) {
 227                 execvp(Arguments[0], Arguments);
 228                 wfatal(_("failed to restart Window Maker."));
 229         } else {
 230                 execvp(prog, argv);
 231                 werror(_("could not exec %s"), prog);
 232         }
 233         if (abortOnFailure)
 234                 exit(7);
 235 }
 236
 237 void SetupEnvironment(WScreen * scr)
 238 {
 239         char *tmp, *ptr;
 240         char buf[16];
 241
 242         if (multiHead) {
 243                 int len = strlen(DisplayName) + 64;
 244                 tmp = wmalloc(len);
 245                 snprintf(tmp, len, "DISPLAY=%s", XDisplayName(DisplayName));
 246                 ptr = strchr(strchr(tmp, ':'), '.');
 247                 if (ptr)
 248                         *ptr = 0;
 249                 snprintf(buf, sizeof(buf), ".%i", scr->screen);
 250                 strcat(tmp, buf);
 251                 putenv(tmp);
 252         }
 253         tmp = wmalloc(60);
 254         snprintf(tmp, 60, "WRASTER_COLOR_RESOLUTION%i=%i", scr->screen,
 255                  scr->rcontext->attribs->colors_per_channel);
 256         putenv(tmp);
 257 }
 258
 259 typedef struct {
 260         WScreen *scr;
 261         char *command;
 262 } _tuple;
 263
 264 static void shellCommandHandler(pid_t pid, unsigned int status, void *client_data)
 265 {
 266         _tuple *data = (_tuple *) client_data;
 267
 268         /* Parameter not used, but tell the compiler that it is ok */
 269         (void) pid;
 270
 271         if (status == 127) {
 272                 char *buffer;
 273
 274                 buffer = wstrconcat(_("Could not execute command: "), data->command);
 275
 276                 wMessageDialog(data->scr, _("Error"), buffer, _("OK"), NULL, NULL);
 277                 wfree(buffer);
 278         } else if (status != 127) {
 279                 /*
 280                    printf("%s: %i\n", data->command, status);
 281                  */
 282         }
 283
 284         wfree(data->command);
 285         wfree(data);
 286 }
 287
 288 void ExecuteShellCommand(WScreen *scr, const char *command)
 289 {
 290         static char *shell = NULL;
 291         pid_t pid;
 292
 293         /*
 294          * This have a problem: if the shell is tcsh (not sure about others)
 295          * and ~/.tcshrc have /bin/stty erase ^H somewhere on it, the shell
 296          * will block and the command will not be executed.
 297          if (!shell) {
 298          shell = getenv("SHELL");
 299          if (!shell)
 300          shell = "/bin/sh";
 301          }
 302          */
 303         shell = "/bin/sh";
 304
 305         pid = fork();
 306
 307         if (pid == 0) {
 308
 309                 SetupEnvironment(scr);
 310
 311 #ifdef HAVE_SETSID
 312                 setsid();
 313 #endif
 314                 execl(shell, shell, "-c", command, NULL);
 315                 werror("could not execute %s -c %s", shell, command);
 316                 Exit(-1);
 317         } else if (pid < 0) {
 318                 werror("cannot fork a new process");
 319         } else {
 320                 _tuple *data = wmalloc(sizeof(_tuple));
 321
 322                 data->scr = scr;
 323                 data->command = wstrdup(command);
 324
 325                 wAddDeathHandler(pid, shellCommandHandler, data);
 326         }
 327 }
 328
 329 /*
 330  *---------------------------------------------------------------------
 331  * RelaunchWindow--
 332  *      Launch a new instance of the active window
 333  *
 334  *----------------------------------------------------------------------
 335  */
 336 Bool RelaunchWindow(WWindow *wwin)
 337 {
 338         if (! wwin || ! wwin->client_win) {
 339                 werror("no window to relaunch");
 340                 return False;
 341         }
 342
 343         char **argv;
 344         int argc;
 345
 346         if (! XGetCommand(dpy, wwin->client_win, &argv, &argc) || argc == 0 || argv == NULL) {
 347                 werror("cannot relaunch the application because no WM_COMMAND property is set");
 348                 return False;
 349         }
 350
 351         pid_t pid = fork();
 352
 353         if (pid == 0) {
 354                 SetupEnvironment(wwin->screen_ptr);
 355 #ifdef HAVE_SETSID
 356                 setsid();
 357 #endif
 358                 /* argv is not null-terminated */
 359                 char **a = (char **) malloc(argc + 1);
 360                 if (! a) {
 361                         werror("out of memory trying to relaunch the application");
 362                         Exit(-1);
 363                 }
 364
 365                 int i;
 366                 for (i = 0; i < argc; i++)
 367                         a[i] = argv[i];
 368                 a[i] = NULL;
 369
 370                 execvp(a[0], a);
 371                 Exit(-1);
 372         } else if (pid < 0) {
 373                 werror("cannot fork a new process");
 374
 375                 XFreeStringList(argv);
 376                 return False;
 377         } else {
 378                 _tuple *data = wmalloc(sizeof(_tuple));
 379
 380                 data->scr = wwin->screen_ptr;
 381                 data->command = wtokenjoin(argv, argc);
 382
 383                 /* not actually a shell command */
 384                 wAddDeathHandler(pid, shellCommandHandler, data);
 385
 386                 XFreeStringList(argv);
 387         }
 388
 389         return True;
 390 }
 391
 392 /*
 393  *---------------------------------------------------------------------
 394  * wAbort--
 395  *      Do a major cleanup and exit the program
 396  *
 397  *----------------------------------------------------------------------
 398  */
 399 noreturn void wAbort(Bool dumpCore)
 400 {
 401         int i;
 402         WScreen *scr;
 403
 404         for (i = 0; i < w_global.screen_count; i++) {
 405                 scr = wScreenWithNumber(i);
 406                 if (scr)
 407                         RestoreDesktop(scr);
 408         }
 409         printf(_("%s aborted.\n"), ProgName);
 410         if (dumpCore)
 411                 abort();
 412         else
 413                 exit(1);
 414 }
 415
 416 static void print_help(void)
 417 {
 418         printf(_("Usage: %s [options]\n"), ProgName);
 419         puts(_("The Window Maker window manager for the X window system"));
 420         puts("");
 421         puts(_(" -display host:dpy      display to use"));
 422         puts(_(" --no-dock              do not open the application Dock"));
 423         puts(_(" --no-clip              do not open the workspace Clip"));
 424         puts(_(" --no-autolaunch        do not autolaunch applications"));
 425         puts(_(" --dont-restore         do not restore saved session"));
 426
 427         puts(_(" --locale locale        locale to use"));
 428
 429         puts(_(" --visual-id visualid   visual id of visual to use"));
 430         puts(_(" --static               do not update or save configurations"));
 431 #ifndef HAVE_INOTIFY
 432         puts(_(" --no-polling           do not periodically check for configuration updates"));
 433 #endif
 434         puts(_(" --version              print version and exit"));
 435         puts(_(" --help                 show this message"));
 436 }
 437
 438 static void check_defaults(void)
 439 {
 440         char *path;
 441
 442         path = wdefaultspathfordomain("WindowMaker");
 443
 444         if (access(path, R_OK) != 0) {
 445                 wwarning(_("could not find user GNUstep directory (%s)."), path);
 446
 447                 if (system("wmaker.inst --batch") != 0) {
 448                         wwarning(_("There was an error while creating GNUstep directory, please "
 449                                    "make sure you have installed Window Maker correctly and run wmaker.inst"));
 450                 } else {
 451                         wwarning(_("%s directory created with default configuration."), path);
 452                 }
 453         }
 454
 455         wfree(path);
 456 }
 457
 458 #ifdef HAVE_INOTIFY
 459 /*
 460  * Add watch here, used to notify if configuration
 461  * files have changed, using linux kernel inotify mechanism
 462  */
 463
 464 static void inotifyWatchConfig(void)
 465 {
 466         char *watchPath = NULL;
 467
 468         w_global.inotify.fd_event_queue = inotify_init();       /* Initialise an inotify instance */
 469         if (w_global.inotify.fd_event_queue < 0) {
 470                 wwarning(_("could not initialise an inotify instance."
 471                            " Changes to the defaults database will require"
 472                            " a restart to take effect. Check your kernel!"));
 473         } else {
 474                 watchPath = wstrconcat(wusergnusteppath(), "/Defaults");
 475                 /* Add the watch; really we are only looking for modify events
 476                  * but we might want more in the future so check all events for now.
 477                  * The individual events are checked for in event.c.
 478                  */
 479                 w_global.inotify.wd_defaults = inotify_add_watch(w_global.inotify.fd_event_queue, watchPath, IN_ALL_EVENTS);
 480                 if (w_global.inotify.wd_defaults < 0) {
 481                         wwarning(_("could not add an inotify watch on path %s."
 482                                    "Changes to the defaults database will require"
 483                                    " a restart to take effect."), watchPath);
 484                         close(w_global.inotify.fd_event_queue);
 485                         w_global.inotify.fd_event_queue = -1;
 486                 }
 487         }
 488         wfree(watchPath);
 489 }
 490 #endif /* HAVE_INOTIFY */
 491
 492 static void execInitScript(void)
 493 {
 494         char *file, *paths;
 495
 496         paths = wstrconcat(wusergnusteppath(), "/Library/WindowMaker");
 497         paths = wstrappend(paths, ":" DEF_CONFIG_PATHS);
 498
 499         file = wfindfile(paths, DEF_INIT_SCRIPT);
 500         wfree(paths);
 501
 502         if (file) {
 503                 if (system(file) != 0)
 504                         werror(_("%s:could not execute initialization script"), file);
 505
 506                 wfree(file);
 507         }
 508 }
 509
 510 void ExecExitScript(void)
 511 {
 512         char *file, *paths;
 513
 514         paths = wstrconcat(wusergnusteppath(), "/Library/WindowMaker");
 515         paths = wstrappend(paths, ":" DEF_CONFIG_PATHS);
 516
 517         file = wfindfile(paths, DEF_EXIT_SCRIPT);
 518         wfree(paths);
 519
 520         if (file) {
 521                 if (system(file) != 0)
 522                         werror(_("%s:could not execute exit script"), file);
 523
 524                 wfree(file);
 525         }
 526 }
 527
 528 int main(int argc, char **argv)
 529 {
 530         int i_am_the_monitor, i, len;
 531         char *str, *alt;
 532
 533         memset(&w_global, 0, sizeof(w_global));
 534         w_global.program.state = WSTATE_NORMAL;
 535         w_global.program.signal_state = WSTATE_NORMAL;
 536         w_global.timestamp.last_event = CurrentTime;
 537         w_global.timestamp.focus_change = CurrentTime;
 538         w_global.workspace.ignore_change = False;
 539         w_global.shortcut.modifiers_mask = 0xff;
 540
 541         /* setup common stuff for the monitor and wmaker itself */
 542         WMInitializeApplication("WindowMaker", &argc, argv);
 543
 544         memset(&wPreferences, 0, sizeof(wPreferences));
 545
 546         wPreferences.fallbackWMs = WMCreateArray(8);
 547         alt = getenv("WINDOWMAKER_ALT_WM");
 548         if (alt != NULL)
 549                 WMAddToArray(wPreferences.fallbackWMs, wstrdup(alt));
 550
 551         WMAddToArray(wPreferences.fallbackWMs, wstrdup("blackbox"));
 552         WMAddToArray(wPreferences.fallbackWMs, wstrdup("metacity"));
 553         WMAddToArray(wPreferences.fallbackWMs, wstrdup("fvwm"));
 554         WMAddToArray(wPreferences.fallbackWMs, wstrdup("twm"));
 555         WMAddToArray(wPreferences.fallbackWMs, NULL);
 556         WMAddToArray(wPreferences.fallbackWMs, wstrdup("rxvt"));
 557         WMAddToArray(wPreferences.fallbackWMs, wstrdup("xterm"));
 558
 559         i_am_the_monitor = 1;
 560
 561         for (i = 1; i < argc; i++) {
 562                 if (strncmp(argv[i], "--for-real", strlen("--for-real")) == 0) {
 563                         i_am_the_monitor = 0;
 564                         break;
 565                 } else if (strcmp(argv[i], "-display") == 0 || strcmp(argv[i], "--display") == 0) {
 566                         i++;
 567                         if (i >= argc) {
 568                                 wwarning(_("too few arguments for %s"), argv[i - 1]);
 569                                 exit(0);
 570                         }
 571                         DisplayName = argv[i];
 572                 }
 573         }
 574
 575         DisplayName = XDisplayName(DisplayName);
 576         len = strlen(DisplayName) + 64;
 577         str = wmalloc(len);
 578         snprintf(str, len, "DISPLAY=%s", DisplayName);
 579         putenv(str);
 580
 581         if (i_am_the_monitor)
 582                 return MonitorLoop(argc, argv);
 583         else
 584                 return real_main(argc, argv);
 585 }
 586
 587 static int real_main(int argc, char **argv)
 588 {
 589         int i;
 590         char *pos;
 591         int d, s;
 592
 593         setlocale(LC_ALL, "");
 594         wsetabort(wAbort);
 595
 596         /* for telling WPrefs what's the name of the wmaker binary being ran */
 597         setenv("WMAKER_BIN_NAME", argv[0], 1);
 598
 599         ArgCount = argc;
 600         Arguments = wmalloc(sizeof(char *) * (ArgCount + 1));
 601         for (i = 0; i < argc; i++) {
 602                 Arguments[i] = argv[i];
 603         }
 604         /* add the extra option to signal that we're just restarting wmaker */
 605         Arguments[argc - 1] = "--for-real=";
 606         Arguments[argc] = NULL;
 607
 608         ProgName = strrchr(argv[0], '/');
 609         if (!ProgName)
 610                 ProgName = argv[0];
 611         else
 612                 ProgName++;
 613
 614         if (argc > 1) {
 615                 for (i = 1; i < argc; i++) {
 616                         if (strcmp(argv[i], "-nocpp") == 0 || strcmp(argv[i], "--no-cpp") == 0) {
 617                                 wwarning(_("option \"%s\" is deprecated, please remove it from your script"), argv[i]);
 618                         } else if (strcmp(argv[i], "--for-real") == 0) {
 619                                 wPreferences.flags.restarting = 0;
 620                         } else if (strcmp(argv[i], "--for-real=") == 0) {
 621                                 wPreferences.flags.restarting = 1;
 622                         } else if (strcmp(argv[i], "--for-real-") == 0) {
 623                                 wPreferences.flags.restarting = 2;
 624                         } else if (strcmp(argv[i], "-no-autolaunch") == 0
 625                                    || strcmp(argv[i], "--no-autolaunch") == 0) {
 626                                 wPreferences.flags.noautolaunch = 1;
 627                         } else if (strcmp(argv[i], "-dont-restore") == 0 || strcmp(argv[i], "--dont-restore") == 0) {
 628                                 wPreferences.flags.norestore = 1;
 629                         } else if (strcmp(argv[i], "-nodock") == 0 || strcmp(argv[i], "--no-dock") == 0) {
 630                                 wPreferences.flags.nodock = 1;
 631                                 wPreferences.flags.nodrawer = 1;
 632                         } else if (strcmp(argv[i], "-noclip") == 0 || strcmp(argv[i], "--no-clip") == 0) {
 633                                 wPreferences.flags.noclip = 1;
 634                         } else if (strcmp(argv[i], "-nodrawer") == 0 || strcmp(argv[i], "--no-drawer") == 0) {
 635                                 wPreferences.flags.nodrawer = 1;
 636                         } else if (strcmp(argv[i], "-version") == 0 || strcmp(argv[i], "--version") == 0) {
 637                                 printf("Window Maker %s\n", VERSION);
 638                                 exit(0);
 639                         } else if (strcmp(argv[i], "--global_defaults_path") == 0) {
 640                           printf("%s/%s\n", SYSCONFDIR, GLOBAL_DEFAULTS_SUBDIR);
 641                                 exit(0);
 642                         } else if (strcmp(argv[i], "-locale") == 0 || strcmp(argv[i], "--locale") == 0) {
 643                                 i++;
 644                                 if (i >= argc) {
 645                                         wwarning(_("too few arguments for %s"), argv[i - 1]);
 646                                         exit(0);
 647                                 }
 648                                 w_global.locale = argv[i];
 649                         } else if (strcmp(argv[i], "-display") == 0 || strcmp(argv[i], "--display") == 0) {
 650                                 i++;
 651                                 if (i >= argc) {
 652                                         wwarning(_("too few arguments for %s"), argv[i - 1]);
 653                                         exit(0);
 654                                 }
 655                                 DisplayName = argv[i];
 656                         } else if (strcmp(argv[i], "-visualid") == 0 || strcmp(argv[i], "--visual-id") == 0) {
 657                                 i++;
 658                                 if (i >= argc) {
 659                                         wwarning(_("too few arguments for %s"), argv[i - 1]);
 660                                         exit(0);
 661                                 }
 662                                 if (initWVisualID(argv[i]) != 0) {
 663                                         wwarning(_("bad value for visualid: \"%s\""), argv[i]);
 664                                         exit(0);
 665                                 }
 666                         } else if (strcmp(argv[i], "-static") == 0 || strcmp(argv[i], "--static") == 0
 667 #ifndef HAVE_INOTIFY
 668                                     || strcmp(argv[i], "--no-polling") == 0
 669 #endif
 670                                     ) {
 671                                 wPreferences.flags.noupdates = 1;
 672                         } else if (strcmp(argv[i], "--help") == 0) {
 673                                 print_help();
 674                                 exit(0);
 675                         } else {
 676                                 printf(_("%s: invalid argument '%s'\n"), argv[0], argv[i]);
 677                                 printf(_("Try '%s --help' for more information\n"), argv[0]);
 678                                 exit(1);
 679                         }
 680                 }
 681         }
 682
 683         if (!wPreferences.flags.noupdates) {
 684                 /* check existence of Defaults DB directory */
 685                 check_defaults();
 686         }
 687
 688         if (w_global.locale) {
 689                 setenv("LANG", w_global.locale, 1);
 690         } else {
 691                 w_global.locale = getenv("LC_ALL");
 692                 if (!w_global.locale) {
 693                         w_global.locale = getenv("LANG");
 694                 }
 695         }
 696
 697         setlocale(LC_ALL, "");
 698
 699         if (!w_global.locale || strcmp(w_global.locale, "C") == 0 || strcmp(w_global.locale, "POSIX") == 0)
 700                 w_global.locale = NULL;
 701 #ifdef I18N
 702         if (getenv("NLSPATH")) {
 703                 bindtextdomain("WindowMaker", getenv("NLSPATH"));
 704 #if defined(MENU_TEXTDOMAIN)
 705                 bindtextdomain(MENU_TEXTDOMAIN, getenv("NLSPATH"));
 706 #endif
 707         } else {
 708                 bindtextdomain("WindowMaker", LOCALEDIR);
 709 #if defined(MENU_TEXTDOMAIN)
 710                 bindtextdomain(MENU_TEXTDOMAIN, LOCALEDIR);
 711 #endif
 712         }
 713         bind_textdomain_codeset("WindowMaker", "UTF-8");
 714 #if defined(MENU_TEXTDOMAIN)
 715         bind_textdomain_codeset(MENU_TEXTDOMAIN, "UTF-8");
 716 #endif
 717         textdomain("WindowMaker");
 718
 719         if (!XSupportsLocale()) {
 720                 wwarning(_("X server does not support locale"));
 721         }
 722
 723         if (XSetLocaleModifiers("") == NULL) {
 724                 wwarning(_("cannot set locale modifiers"));
 725         }
 726 #endif
 727
 728         if (w_global.locale) {
 729                 char *ptr;
 730
 731                 w_global.locale = wstrdup(w_global.locale);
 732                 ptr = strchr(w_global.locale, '.');
 733                 if (ptr)
 734                         *ptr = 0;
 735         }
 736
 737         /* open display */
 738         dpy = XOpenDisplay(DisplayName);
 739         if (dpy == NULL) {
 740                 wfatal(_("could not open display \"%s\""), XDisplayName(DisplayName));
 741                 exit(1);
 742         }
 743
 744         if (fcntl(ConnectionNumber(dpy), F_SETFD, FD_CLOEXEC) < 0) {
 745                 werror("error setting close-on-exec flag for X connection");
 746                 exit(1);
 747         }
 748
 749
 750         if (getWVisualID(0) < 0) {
 751                 /*
 752                  *   If unspecified, use default visual instead of waiting
 753                  * for wrlib/context.c:bestContext() that may end up choosing
 754                  * the "fake" 24 bits added by the Composite extension.
 755                  *   This is required to avoid all sort of corruptions when
 756                  * composite is enabled, and at a depth other than 24.
 757                  */
 758                 setWVisualID(0, (int)DefaultVisual(dpy, DefaultScreen(dpy))->visualid);
 759         }
 760
 761         /* check if the user specified a complete display name (with screen).
 762          * If so, only manage the specified screen */
 763         if (DisplayName)
 764                 pos = strchr(DisplayName, ':');
 765         else
 766                 pos = NULL;
 767
 768         if (pos && sscanf(pos, ":%i.%i", &d, &s) == 2)
 769                 multiHead = False;
 770
 771         DisplayName = XDisplayName(DisplayName);
 772         setenv("DISPLAY", DisplayName, 1);
 773
 774         wXModifierInitialize();
 775         StartUp(!multiHead);
 776
 777         if (w_global.screen_count == 1)
 778                 multiHead = False;
 779
 780         execInitScript();
 781 #ifdef HAVE_INOTIFY
 782         inotifyWatchConfig();
 783 #endif
 784         EventLoop();
 785         return -1;
 786 }