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     puts(_(" --dont-restore     do not restore saved session"));
 431
 432     puts(_(" --locale locale            locale to use"));
 433
 434     puts(_(" --create-stdcmap   create the standard colormap hint in PseudoColor visuals"));
 435     puts(_(" --visual-id visualid       visual id of visual to use"));
 436     puts(_(" --static           do not update or save configurations"));
 437 #ifdef DEBUG
 438     puts(_(" --synchronous              turn on synchronous display mode"));
 439 #endif
 440     puts(_(" --version          print version and exit"));
 441     puts(_(" --help                     show this message"));
 442 }
 443
 444
 445
 446 void
 447 check_defaults()
 448 {
 449     char *path;
 450
 451     path = wdefaultspathfordomain("");
 452     if (access(path, R_OK)!=0) {
 453         wfatal(_("could not find user GNUstep directory (%s).\n"
 454                  "Make sure you have installed Window Maker correctly and run wmaker.inst"),
 455                path);
 456         exit(1);
 457     }
 458
 459     free(path);
 460 }
 461
 462
 463 static void
 464 execInitScript()
 465 {
 466     char *file;
 467     char *paths = wstrappend(wusergnusteppath(), ":"DEF_CONFIG_PATHS);
 468
 469     file = wfindfile(paths, DEF_INIT_SCRIPT);
 470     free(paths);
 471
 472     if (file) {
 473         if (system(file) != 0) {
 474             wsyserror(_("%s:could not execute initialization script"), file);
 475         }
 476 #if 0
 477         if (fork()==0) {
 478             execl("/bin/sh", "/bin/sh", "-c", file, NULL);
 479             wsyserror(_("%s:could not execute initialization script"), file);
 480             exit(1);
 481         }
 482 #endif
 483         free(file);
 484     }
 485 }
 486
 487
 488 void
 489 ExecExitScript()
 490 {
 491     char *file;
 492     char *paths = wstrappend(wusergnusteppath(), ":"DEF_CONFIG_PATHS);
 493
 494     file = wfindfile(paths, DEF_EXIT_SCRIPT);
 495     free(paths);
 496
 497     if (file) {
 498         if (system(file) != 0) {
 499             wsyserror(_("%s:could not execute exit script"), file);
 500         }
 501 #if 0
 502         if (fork()==0) {
 503             execl("/bin/sh", "/bin/sh", "-c", file, NULL);
 504             wsyserror(_("%s:could not execute exit script"), file);
 505             exit(1);
 506         }
 507 #endif
 508         free(file);
 509     }
 510 }
 511
 512 #if 0
 513 char*
 514 getFullPath(char *path)
 515 {
 516     char buffer[1024];
 517     char *tmp;
 518     char *basep = (char*)buffer;
 519
 520     if (*path != '/' && getcwd(buffer, 1023)) {
 521
 522         for (;;) {
 523             if (strncmp(path, "../", 3)==0) {
 524                 path += 3;
 525                 basep = strchr(basep, '/');
 526                 if (!basep || *path==0)
 527                     break;
 528             }
 529         }
 530         if (*path == '/' || strncmp(path, "./",2)==0) {
 531             tmp =
 532         }
 533
 534         /*
 535          * path
 536          * ./path
 537          * ../path
 538          * ../../path
 539          */
 540
 541
 542     } else {
 543         return wstrappend(path);
 544     }
 545
 546     return tmp;
 547 }
 548 #endif
 549
 550 int
 551 main(int argc, char **argv)
 552 {
 553     int i, restart=0;
 554     char *str;
 555     int d, s;
 556 #ifdef DEBUG
 557     Bool doSync = False;
 558 #endif
 559     setlocale(LC_ALL, "");
 560
 561     wsetabort(wAbort);
 562
 563     /* for telling WPrefs what's the name of the wmaker binary being ran */
 564
 565     str = wstrappend("WMAKER_BIN_NAME=", argv[0]);
 566     putenv(str);
 567
 568     ArgCount = argc;
 569     Arguments = argv;
 570
 571     WMInitializeApplication("WindowMaker", &argc, argv);
 572
 573
 574     ProgName = strrchr(argv[0],'/');
 575     if (!ProgName)
 576       ProgName = argv[0];
 577     else
 578       ProgName++;
 579
 580
 581     restart = 0;
 582
 583     memset(&wPreferences, 0, sizeof(WPreferences));
 584
 585     if (argc>1) {
 586         for (i=1; i<argc; i++) {
 587 #ifdef USECPP
 588             if (strcmp(argv[i], "-nocpp")==0
 589                 || strcmp(argv[i], "--no-cpp")==0) {
 590                 wPreferences.flags.nocpp=1;
 591             } else
 592 #endif
 593             if (strcmp(argv[i], "-no-autolaunch")==0
 594                 || strcmp(argv[i], "--no-autolaunch")==0) {
 595                 wPreferences.flags.noautolaunch = 1;
 596             } else if (strcmp(argv[i], "-dont-restore")==0
 597                 || strcmp(argv[i], "--dont-restore")==0) {
 598                 wPreferences.flags.norestore = 1;
 599             } else if (strcmp(argv[i], "-nodock")==0
 600                 || strcmp(argv[i], "--no-dock")==0) {
 601                 wPreferences.flags.nodock=1;
 602             } else if (strcmp(argv[i], "-noclip")==0
 603                        || strcmp(argv[i], "--no-clip")==0) {
 604                 wPreferences.flags.noclip=1;
 605             } else if (strcmp(argv[i], "-version")==0
 606                        || strcmp(argv[i], "--version")==0) {
 607                 printf("Window Maker %s\n", VERSION);
 608                 exit(0);
 609             } else if (strcmp(argv[i], "--global_defaults_path")==0) {
 610                 printf("%s/WindowMaker\n", SYSCONFDIR);
 611                 exit(0);
 612 #ifdef DEBUG
 613             } else if (strcmp(argv[i], "--synchronous")==0) {
 614                 doSync = 1;
 615 #endif
 616             } else if (strcmp(argv[i], "-locale")==0
 617                        || strcmp(argv[i], "--locale")==0) {
 618                 i++;
 619                 if (i>=argc) {
 620                     wwarning(_("too few arguments for %s"), argv[i-1]);
 621                     exit(0);
 622                 }
 623                 Locale = argv[i];
 624             } else if (strcmp(argv[i], "-display")==0) {
 625                 i++;
 626                 if (i>=argc) {
 627                     wwarning(_("too few arguments for %s"), argv[i-1]);
 628                     exit(0);
 629                 }
 630                 DisplayName = argv[i];
 631             } else if (strcmp(argv[i], "-visualid")==0
 632                        || strcmp(argv[i], "--visual-id")==0) {
 633                 i++;
 634                 if (i>=argc) {
 635                     wwarning(_("too few arguments for %s"), argv[i-1]);
 636                     exit(0);
 637                 }
 638                 if (sscanf(argv[i], "%i", &wVisualID)!=1) {
 639                     wwarning(_("bad value for visualid: \"%s\""), argv[i]);
 640                     exit(0);
 641                 }
 642             } else if (strcmp(argv[i], "-static")==0
 643                        || strcmp(argv[i], "--static")==0) {
 644
 645                 wPreferences.flags.noupdates = 1;
 646 #ifdef XSMP_ENABLED
 647             } else if (strcmp(argv[i], "-clientid")==0
 648                        || strcmp(argv[i], "-restore")==0) {
 649                 i++;
 650                 if (i>=argc) {
 651                     wwarning(_("too few arguments for %s"), argv[i-1]);
 652                     exit(0);
 653                 }
 654 #endif
 655             } else if (strcmp(argv[i], "--help")==0) {
 656                 print_help();
 657                 exit(0);
 658             } else {
 659                 printf(_("%s: invalid argument '%s'\n"), argv[0], argv[i]);
 660                 printf(_("Try '%s --help' for more information\n"), argv[0]);
 661                 exit(1);
 662             }
 663         }
 664     }
 665
 666     if (!wPreferences.flags.noupdates) {
 667         /* check existence of Defaults DB directory */
 668         check_defaults();
 669     }
 670
 671
 672     if (!Locale) {
 673         Locale = getenv("LC_ALL");
 674     }
 675     if (!Locale) {
 676         Locale = getenv("LANG");
 677     }
 678
 679     setlocale(LC_ALL, "");
 680
 681     if (!Locale || strcmp(Locale, "C")==0 || strcmp(Locale, "POSIX")==0)
 682       Locale = NULL;
 683 #ifdef I18N
 684     if (getenv("NLSPATH"))
 685       bindtextdomain("WindowMaker", getenv("NLSPATH"));
 686     else
 687       bindtextdomain("WindowMaker", LOCALEDIR);
 688     textdomain("WindowMaker");
 689
 690     if (!XSupportsLocale()) {
 691         wwarning(_("X server does not support locale"));
 692     }
 693
 694     if (XSetLocaleModifiers("") == NULL) {
 695         wwarning(_("cannot set locale modifiers"));
 696     }
 697 #endif
 698
 699     if (Locale) {
 700         char *ptr;
 701
 702         Locale = wstrdup(Locale);
 703         ptr = strchr(Locale, '.');
 704         if (ptr)
 705             *ptr = 0;
 706     }
 707
 708     /* open display */
 709     dpy = XOpenDisplay(DisplayName);
 710     if (dpy == NULL) {
 711         wfatal(_("could not open display \"%s\""), XDisplayName(DisplayName));
 712         exit(1);
 713     }
 714
 715     if (fcntl(ConnectionNumber(dpy), F_SETFD, FD_CLOEXEC) < 0) {
 716         wsyserror("error setting close-on-exec flag for X connection");
 717         exit(1);
 718     }
 719
 720     /* check if the user specified a complete display name (with screen).
 721      * If so, only manage the specified screen */
 722     if (DisplayName)
 723         str = strchr(DisplayName, ':');
 724     else
 725         str = NULL;
 726
 727     if (str && sscanf(str, "%i.%i", &d, &s)==2)
 728         multiHead = False;
 729
 730     DisplayName = XDisplayName(DisplayName);
 731     str = wmalloc(strlen(DisplayName)+64);
 732     sprintf(str, "DISPLAY=%s", DisplayName);
 733     putenv(str);
 734
 735 #ifdef DEBUG
 736     if (doSync)
 737         XSynchronize(dpy, True);
 738 #endif
 739
 740     wXModifierInitialize();
 741
 742 #ifdef XSMP_ENABLED
 743     wSessionConnectManager(argv, argc);
 744 #endif
 745
 746     StartUp(!multiHead);
 747
 748     if (wScreenCount==1)
 749         multiHead = False;
 750
 751     execInitScript();
 752
 753     EventLoop();
 754     return -1;
 755 }