src/main.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997, 1998 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
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <unistd.h>
  27 #include <string.h>
  28 #include <sys/stat.h>
  29 #include <sys/types.h>
  30 #include <fcntl.h>
  31
  32 #include <X11/Xlib.h>
  33 #include <X11/Xutil.h>
  34
  35
  36 /* Xlocale.h and locale.h are the same if X_LOCALE is undefind in wconfig.h,
  37  * and if X_LOCALE is defined, X's locale emulating functions will be used.
  38  * See Xlocale.h for more information.
  39  */
  40 #include <X11/Xlocale.h>
  41
  42 #define MAINFILE
  43
  44 #include "WindowMaker.h"
  45 #include "window.h"
  46 #include "funcs.h"
  47 #include "menu.h"
  48 #include "keybind.h"
  49 #include "xmodifier.h"
  50 #include "defaults.h"
  51 #include "session.h"
  52 #include "dialog.h"
  53
  54 #include <proplist.h>
  55
  56 /****** Global Variables ******/
  57
  58 /* general info */
  59
  60 Display *dpy;
  61
  62 char *ProgName;
  63
  64 unsigned int ValidModMask = 0xff;
  65
  66 /* locale to use. NULL==POSIX or C */
  67 char *Locale=NULL;
  68
  69 int wScreenCount=0;
  70
  71 WPreferences wPreferences;
  72
  73
  74 proplist_t wDomainName;
  75 proplist_t wAttributeDomainName;
  76
  77 WShortKey wKeyBindings[WKBD_LAST];
  78
  79 /* defaults domains */
  80 WDDomain *WDWindowMaker = NULL;
  81 WDDomain *WDRootMenu = NULL;
  82 WDDomain *WDWindowAttributes = NULL;
  83
  84
  85 /* XContexts */
  86 XContext wWinContext;
  87 XContext wAppWinContext;
  88 XContext wStackContext;
  89
  90 /* Atoms */
  91 Atom _XA_WM_STATE;
  92 Atom _XA_WM_CHANGE_STATE;
  93 Atom _XA_WM_PROTOCOLS;
  94 Atom _XA_WM_TAKE_FOCUS;
  95 Atom _XA_WM_DELETE_WINDOW;
  96 Atom _XA_WM_SAVE_YOURSELF;
  97 Atom _XA_WM_CLIENT_LEADER;
  98 Atom _XA_WM_COLORMAP_WINDOWS;
  99 Atom _XA_WM_COLORMAP_NOTIFY;
 100
 101 Atom _XA_GNUSTEP_WM_ATTR;
 102 Atom _XA_GNUSTEP_WM_MINIATURIZE_WINDOW;
 103 Atom _XA_GNUSTEP_WM_RESIZEBAR;
 104 Atom _XA_GNUSTEP_TITLEBAR_STATE;
 105
 106 Atom _XA_WINDOWMAKER_MENU;
 107 Atom _XA_WINDOWMAKER_WM_PROTOCOLS;
 108 Atom _XA_WINDOWMAKER_STATE;
 109
 110 Atom _XA_WINDOWMAKER_WM_FUNCTION;
 111 Atom _XA_WINDOWMAKER_NOTICEBOARD;
 112 Atom _XA_WINDOWMAKER_COMMAND;
 113
 114 Atom _XA_WINDOWMAKER_ICON_SIZE;
 115 Atom _XA_WINDOWMAKER_ICON_TILE;
 116
 117
 118 #ifdef OFFIX_DND
 119 Atom _XA_DND_PROTOCOL;
 120 Atom _XA_DND_SELECTION;
 121 #endif
 122
 123 /* cursors */
 124 Cursor wCursor[WCUR_LAST];
 125
 126 /* last event timestamp for XSetInputFocus */
 127 Time LastTimestamp;
 128 /* timestamp on the last time we did XSetInputFocus() */
 129 Time LastFocusChange;
 130
 131 #ifdef SHAPE
 132 Bool wShapeSupported;
 133 int wShapeEventBase;
 134 #endif
 135
 136 #ifdef KEEP_XKB_LOCK_STATUS
 137 Bool wXkbSupported;
 138 int wXkbEventBase;
 139 #endif
 140
 141 /* special flags */
 142 char WProgramState = WSTATE_NORMAL;
 143 char WDelayedActionSet = 0;
 144
 145 /* temporary stuff */
 146 int wVisualID = -1;
 147
 148
 149 /******** End Global Variables *****/
 150
 151 static char *DisplayName = NULL;
 152
 153 static char **Arguments;
 154
 155 static int ArgCount;
 156
 157 extern void EventLoop();
 158 extern void StartUp();
 159
 160 static Bool multiHead = True;
 161
 162 /* stdi/o for log shell */
 163 static int LogStdIn = -1, LogStdOut = -1, LogStdErr = -1;
 164
 165
 166 void
 167 Exit(int status)
 168 {
 169 #ifdef XSMP_ENABLED
 170     wSessionDisconnectManager();
 171 #endif
 172     if (dpy)
 173         XCloseDisplay(dpy);
 174
 175     exit(status);
 176 }
 177
 178
 179 void
 180 Restart(char *manager, Bool abortOnFailure)
 181 {
 182     char *prog=NULL;
 183     char *argv[MAX_RESTART_ARGS];
 184     int i;
 185
 186     if (manager && manager[0]!=0) {
 187         prog = argv[0] = strtok(manager, " ");
 188         for (i=1; i<MAX_RESTART_ARGS; i++) {
 189             argv[i]=strtok(NULL, " ");
 190             if (argv[i]==NULL) {
 191                 break;
 192             }
 193         }
 194     }
 195     if (dpy) {
 196 #ifdef XSMP_ENABLED
 197         wSessionDisconnectManager();
 198 #endif
 199         XCloseDisplay(dpy);
 200         dpy = NULL;
 201     }
 202     if (!prog) {
 203         execvp(Arguments[0], Arguments);
 204         wfatal(_("failed to restart Window Maker."));
 205     } else {
 206         execvp(prog, argv);
 207         wsyserror(_("could not exec %s"), prog);
 208     }
 209     if (abortOnFailure)
 210         exit(-1);
 211 }
 212
 213
 214
 215 void
 216 SetupEnvironment(WScreen *scr)
 217 {
 218     char *tmp, *ptr;
 219     char buf[16];
 220
 221     if (multiHead) {
 222         tmp = wmalloc(strlen(DisplayName)+64);
 223         sprintf(tmp, "DISPLAY=%s", XDisplayName(DisplayName));
 224         ptr = strchr(strchr(tmp, ':'), '.');
 225         if (ptr)
 226             *ptr = 0;
 227         sprintf(buf, ".%i", scr->screen);
 228         strcat(tmp, buf);
 229         putenv(tmp);
 230     }
 231     tmp = wmalloc(60);
 232     sprintf(tmp, "WRASTER_COLOR_RESOLUTION%i=%i", scr->screen,
 233                 scr->rcontext->attribs->colors_per_channel);
 234     putenv(tmp);
 235 }
 236
 237
 238
 239
 240 typedef struct {
 241     WScreen *scr;
 242     char *command;
 243 } _tuple;
 244
 245
 246 static void
 247 shellCommandHandler(pid_t pid, unsigned char status, _tuple *data)
 248 {
 249     if (status == 127) {
 250         char *buffer;
 251
 252         buffer = wstrappend(_("Could not execute command: "), data->command);
 253
 254         wMessageDialog(data->scr, _("Error"), buffer, _("OK"), NULL, NULL);
 255         free(buffer);
 256     } else if (status != 127) {
 257         /*
 258         printf("%s: %i\n", data->command, status);
 259          */
 260     }
 261
 262     free(data->command);
 263     free(data);
 264 }
 265
 266
 267 void
 268 ExecuteShellCommand(WScreen *scr, char *command)
 269 {
 270     static char *shell = NULL;
 271     pid_t pid;
 272
 273     /*
 274      * This have a problem: if the shell is tcsh (not sure about others)
 275      * and ~/.tcshrc have /bin/stty erase ^H somewhere on it, the shell
 276      * will block and the command will not be executed.
 277     if (!shell) {
 278         shell = getenv("SHELL");
 279         if (!shell)
 280             shell = "/bin/sh";
 281     }
 282      */
 283     shell = "/bin/sh";
 284
 285     pid = fork();
 286
 287     if (pid==0) {
 288
 289         SetupEnvironment(scr);
 290
 291 #ifdef HAVE_SETPGID
 292         setpgid(0, 0);
 293 #endif
 294         execl(shell, shell, "-c", command, NULL);
 295         wsyserror("could not execute %s -c %s", shell, command);
 296         Exit(-1);
 297     } else if (pid < 0) {
 298         wsyserror("cannot fork a new process");
 299     } else {
 300         _tuple *data = wmalloc(sizeof(_tuple));
 301
 302         data->scr = scr;
 303         data->command = wstrdup(command);
 304
 305         wAddDeathHandler(pid, (WDeathHandler*)shellCommandHandler, data);
 306     }
 307 }
 308
 309
 310 /*
 311  *---------------------------------------------------------------------------
 312  * StartLogShell
 313  *      Start a shell that will receive all stdin and stdout from processes
 314  * forked by wmaker.
 315  *---------------------------------------------------------------------------
 316  */
 317 void
 318 StartLogShell(WScreen *scr)
 319 {
 320     int in_fd[2];
 321     int out_fd[2];
 322     int err_fd[2];
 323     pid_t pid;
 324
 325     SetupEnvironment(scr);
 326
 327     if (pipe(in_fd) < 0) {
 328         wsyserror("could not create pipe for log shell\n");
 329         return;
 330     }
 331     if (pipe(out_fd) < 0) {
 332         wsyserror("could not create pipe for log shell\n");
 333         close(in_fd[0]);
 334         close(in_fd[1]);
 335         return;
 336     }
 337     if (pipe(err_fd) < 0) {
 338         wsyserror("could not create pipe for log shell\n");
 339         close(out_fd[0]);
 340         close(out_fd[1]);
 341         close(in_fd[0]);
 342         close(in_fd[1]);
 343         return;
 344     }
 345
 346     pid = fork();
 347     if (pid < 0) {
 348         wsyserror("could not fork a new process for log shell\n");
 349         return;
 350     } else if (pid == 0) {
 351         close(in_fd[0]);
 352         close(out_fd[1]);
 353         close(err_fd[1]);
 354
 355         close(0);
 356         close(1);
 357         close(2);
 358
 359         if (dup2(in_fd[1], 0) < 0) {
 360             wsyserror("could not redirect stdin for log shell\n");
 361             exit(1);
 362         }
 363         if (dup2(out_fd[1], 1) < 0) {
 364             wsyserror("could not redirect stdout for log shell\n");
 365             exit(1);
 366         }
 367         if (dup2(err_fd[1], 2) < 0) {
 368             wsyserror("could not redirect stderr for log shell\n");
 369             exit(1);
 370         }
 371
 372         close(in_fd[1]);
 373         close(out_fd[1]);
 374         close(err_fd[1]);
 375
 376         execl("/bin/sh", "/bin/sh", "-c", wPreferences.logger_shell, NULL);
 377         wsyserror("could not execute %s\n", wPreferences.logger_shell);
 378         exit(1);
 379     } else {
 380         close(in_fd[1]);
 381         close(out_fd[0]);
 382         close(err_fd[0]);
 383
 384         LogStdIn = in_fd[1];
 385         LogStdOut = out_fd[0];
 386         LogStdErr = err_fd[0];
 387     }
 388 }
 389
 390
 391 /*
 392  *---------------------------------------------------------------------
 393  * wAbort--
 394  *      Do a major cleanup and exit the program
 395  *
 396  *----------------------------------------------------------------------
 397  */
 398 void
 399 wAbort(Bool dumpCore)
 400 {
 401     int i;
 402     WScreen *scr;
 403
 404     for (i=0; i<wScreenCount; 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
 417 void
 418 print_help()
 419 {
 420     printf(_("Usage: %s [options]\n"), ProgName);
 421     puts(_("The Window Maker window manager for the X window system"));
 422     puts("");
 423     puts(_(" -display host:dpy  display to use"));
 424 #ifdef USECPP
 425     puts(_(" --no-cpp           disable preprocessing of configuration files"));
 426 #endif
 427     puts(_(" --no-dock          do not open the application Dock"));
 428     puts(_(" --no-clip          do not open the workspace Clip"));
 429     puts(_(" --no-autolaunch    do not autolaunch applications"));
 430
 431     puts(_(" --locale locale            locale to use"));
 432
 433     puts(_(" --visual-id visualid       visual id of visual to use"));
 434     puts(_(" --static           do not update or save configurations"));
 435 #ifdef DEBUG
 436     puts(_(" --synchronous              turn on synchronous display mode"));
 437 #endif
 438     puts(_(" --version          print version and exit"));
 439     puts(_(" --help                     show this message"));
 440 }
 441
 442
 443
 444 void
 445 check_defaults()
 446 {
 447     char *path;
 448
 449     path = wdefaultspathfordomain("");
 450     if (access(path, R_OK)!=0) {
 451         wfatal(_("could not find user GNUstep directory (%s).\n"
 452                  "Make sure you have installed Window Maker correctly and run wmaker.inst"),
 453                path);
 454         exit(1);
 455     }
 456
 457     free(path);
 458 }
 459
 460
 461 static void
 462 execInitScript()
 463 {
 464     char *file;
 465     char *paths = wstrappend(wusergnusteppath(), ":"DEF_CONFIG_PATHS);
 466
 467     file = wfindfile(paths, DEF_INIT_SCRIPT);
 468     free(paths);
 469
 470     if (file) {
 471         if (system(file) != 0) {
 472             wsyserror(_("%s:could not execute initialization script"), file);
 473         }
 474 #if 0
 475         if (fork()==0) {
 476             execl("/bin/sh", "/bin/sh", "-c", file, NULL);
 477             wsyserror(_("%s:could not execute initialization script"), file);
 478             exit(1);
 479         }
 480 #endif
 481         free(file);
 482     }
 483 }
 484
 485
 486 void
 487 ExecExitScript()
 488 {
 489     char *file;
 490     char *paths = wstrappend(wusergnusteppath(), ":"DEF_CONFIG_PATHS);
 491
 492     file = wfindfile(paths, DEF_EXIT_SCRIPT);
 493     free(paths);
 494
 495     if (file) {
 496         if (system(file) != 0) {
 497             wsyserror(_("%s:could not execute exit script"), file);
 498         }
 499 #if 0
 500         if (fork()==0) {
 501             execl("/bin/sh", "/bin/sh", "-c", file, NULL);
 502             wsyserror(_("%s:could not execute exit script"), file);
 503             exit(1);
 504         }
 505 #endif
 506         free(file);
 507     }
 508 }
 509
 510 #if 0
 511 char*
 512 getFullPath(char *path)
 513 {
 514     char buffer[1024];
 515     char *tmp;
 516     char *basep = (char*)buffer;
 517
 518     if (*path != '/' && getcwd(buffer, 1023)) {
 519
 520         for (;;) {
 521             if (strncmp(path, "../", 3)==0) {
 522                 path += 3;
 523                 basep = strchr(basep, '/');
 524                 if (!basep || *path==0)
 525                     break;
 526             }
 527         }
 528         if (*path == '/' || strncmp(path, "./",2)==0) {
 529             tmp =
 530         }
 531
 532         /*
 533          * path
 534          * ./path
 535          * ../path
 536          * ../../path
 537          */
 538
 539
 540     } else {
 541         return wstrappend(path);
 542     }
 543
 544     return tmp;
 545 }
 546 #endif
 547
 548 int
 549 main(int argc, char **argv)
 550 {
 551     int i, restart=0;
 552     char *str;
 553     int d, s;
 554 #ifdef DEBUG
 555     Bool doSync = False;
 556 #endif
 557     setlocale(LC_ALL, "");
 558
 559     wsetabort(wAbort);
 560
 561     /* for telling WPrefs what's the name of the wmaker binary being ran */
 562
 563     str = wstrappend("WMAKER_BIN_NAME=", argv[0]);
 564     putenv(str);
 565
 566     ArgCount = argc;
 567     Arguments = argv;
 568
 569     WMInitializeApplication("WindowMaker", &argc, argv);
 570
 571
 572     ProgName = strrchr(argv[0],'/');
 573     if (!ProgName)
 574       ProgName = argv[0];
 575     else
 576       ProgName++;
 577
 578
 579     restart = 0;
 580
 581     memset(&wPreferences, 0, sizeof(WPreferences));
 582
 583     if (argc>1) {
 584         for (i=1; i<argc; i++) {
 585 #ifdef USECPP
 586             if (strcmp(argv[i], "-nocpp")==0
 587                 || strcmp(argv[i], "--no-cpp")==0) {
 588                 wPreferences.flags.nocpp=1;
 589             } else
 590 #endif
 591             if (strcmp(argv[i], "-no-autolaunch")==0
 592                 || strcmp(argv[i], "--no-autolaunch")==0) {
 593                         wPreferences.flags.noautolaunch = 1;
 594             } else if (strcmp(argv[i], "-nodock")==0
 595                 || strcmp(argv[i], "--no-dock")==0) {
 596                 wPreferences.flags.nodock=1;
 597             } else if (strcmp(argv[i], "-noclip")==0
 598                        || strcmp(argv[i], "--no-clip")==0) {
 599                 wPreferences.flags.noclip=1;
 600             } else if (strcmp(argv[i], "-version")==0
 601                        || strcmp(argv[i], "--version")==0) {
 602                 printf("Window Maker %s\n", VERSION);
 603                 exit(0);
 604             } else if (strcmp(argv[i], "--global_defaults_path")==0) {
 605                 printf("%s/WindowMaker\n", SYSCONFDIR);
 606                 exit(0);
 607 #ifdef DEBUG
 608             } else if (strcmp(argv[i], "--synchronous")==0) {
 609                 doSync = 1;
 610 #endif
 611             } else if (strcmp(argv[i], "-locale")==0
 612                        || strcmp(argv[i], "--locale")==0) {
 613                 i++;
 614                 if (i>=argc) {
 615                     wwarning(_("too few arguments for %s"), argv[i-1]);
 616                     exit(0);
 617                 }
 618                 Locale = argv[i];
 619             } else if (strcmp(argv[i], "-display")==0) {
 620                 i++;
 621                 if (i>=argc) {
 622                     wwarning(_("too few arguments for %s"), argv[i-1]);
 623                     exit(0);
 624                 }
 625                 DisplayName = argv[i];
 626             } else if (strcmp(argv[i], "-visualid")==0
 627                        || strcmp(argv[i], "--visual-id")==0) {
 628                 i++;
 629                 if (i>=argc) {
 630                     wwarning(_("too few arguments for %s"), argv[i-1]);
 631                     exit(0);
 632                 }
 633                 if (sscanf(argv[i], "%i", &wVisualID)!=1) {
 634                     wwarning(_("bad value for visualid: \"%s\""), argv[i]);
 635                     exit(0);
 636                 }
 637             } else if (strcmp(argv[i], "-static")==0
 638                        || strcmp(argv[i], "--static")==0) {
 639
 640                 wPreferences.flags.noupdates = 1;
 641 #ifdef XSMP_ENABLED
 642             } else if (strcmp(argv[i], "-clientid")==0
 643                        || strcmp(argv[i], "-restore")==0) {
 644                 i++;
 645                 if (i>=argc) {
 646                     wwarning(_("too few arguments for %s"), argv[i-1]);
 647                     exit(0);
 648                 }
 649 #endif
 650             } else if (strcmp(argv[i], "--help")==0) {
 651                 print_help();
 652                 exit(0);
 653             } else {
 654                 printf(_("%s: invalid argument '%s'\n"), argv[0], argv[i]);
 655                 printf(_("Try '%s --help' for more information\n"), argv[0]);
 656                 exit(1);
 657             }
 658         }
 659     }
 660
 661     if (!wPreferences.flags.noupdates) {
 662         /* check existence of Defaults DB directory */
 663         check_defaults();
 664     }
 665
 666
 667     if (!Locale) {
 668         Locale = getenv("LC_ALL");
 669     }
 670     if (!Locale) {
 671         Locale = getenv("LANG");
 672     }
 673
 674     setlocale(LC_ALL, "");
 675
 676     if (!Locale || strcmp(Locale, "C")==0 || strcmp(Locale, "POSIX")==0)
 677       Locale = NULL;
 678 #ifdef I18N
 679     if (getenv("NLSPATH"))
 680       bindtextdomain("WindowMaker", getenv("NLSPATH"));
 681     else
 682       bindtextdomain("WindowMaker", LOCALEDIR);
 683     textdomain("WindowMaker");
 684
 685     if (!XSupportsLocale()) {
 686         wwarning(_("X server does not support locale"));
 687     }
 688
 689     if (XSetLocaleModifiers("") == NULL) {
 690         wwarning(_("cannot set locale modifiers"));
 691     }
 692 #endif
 693
 694     if (Locale) {
 695         char *ptr;
 696
 697         Locale = wstrdup(Locale);
 698         ptr = strchr(Locale, '.');
 699         if (ptr)
 700             *ptr = 0;
 701     }
 702
 703     /* open display */
 704     dpy = XOpenDisplay(DisplayName);
 705     if (dpy == NULL) {
 706         wfatal(_("could not open display \"%s\""), XDisplayName(DisplayName));
 707         exit(1);
 708     }
 709
 710     if (fcntl(ConnectionNumber(dpy), F_SETFD, FD_CLOEXEC) < 0) {
 711         wsyserror("error setting close-on-exec flag for X connection");
 712         exit(1);
 713     }
 714
 715     /* check if the user specified a complete display name (with screen).
 716      * If so, only manage the specified screen */
 717     if (DisplayName)
 718         str = strchr(DisplayName, ':');
 719     else
 720         str = NULL;
 721
 722     if (str && sscanf(str, "%i.%i", &d, &s)==2)
 723         multiHead = False;
 724
 725     DisplayName = XDisplayName(DisplayName);
 726     str = wmalloc(strlen(DisplayName)+64);
 727     sprintf(str, "DISPLAY=%s", DisplayName);
 728     putenv(str);
 729
 730 #ifdef DEBUG
 731     if (doSync)
 732         XSynchronize(dpy, True);
 733 #endif
 734
 735     wXModifierInitialize();
 736
 737 #ifdef XSMP_ENABLED
 738     wSessionConnectManager(argv, argc);
 739 #endif
 740
 741     StartUp(!multiHead);
 742
 743     if (wScreenCount==1)
 744         multiHead = False;
 745
 746     execInitScript();
 747
 748     EventLoop();
 749     return -1;
 750 }