src/lyx_main.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include <cstdlib>
  14 #include <csignal>
  15
  16 #ifdef __GNUG__
  17 #pragma implementation
  18 #endif
  19
  20 #include <version.h>
  21 #include "lyx_main.h"
  22 #include "lyx_gui.h"
  23 #include "LyXView.h"
  24 #include "lyxfunc.h"
  25 #include "lyx_gui_misc.h"
  26 #include "lyxrc.h"
  27 #include "support/path.h"
  28 #include "support/filetools.h"
  29 #include "buffer.h"
  30 #include "bufferlist.h"
  31 #include "debug.h"
  32 #include "support/FileInfo.h"
  33 #include "lastfiles.h"
  34 #include "intl.h"
  35 #include "lyxserver.h"
  36 #include "layout.h"
  37 #include "gettext.h"
  38 #include "kbmap.h"
  39 #include "MenuBackend.h"
  40 #include "ToolbarDefaults.h"
  41 #include "lyxlex.h"
  42 #include "encoding.h"
  43 #include "converter.h"
  44 #include "language.h"
  45 #include "support/os.h"
  46
  47 using std::endl;
  48
  49 #ifndef CXX_GLOBAL_CSTD
  50 using std::signal;
  51 #endif
  52
  53 extern void LoadLyXFile(string const &);
  54 extern void QuitLyX();
  55
  56 string system_lyxdir;
  57 string build_lyxdir;
  58 string system_tempdir;
  59 string user_lyxdir;     // Default $HOME/.lyx
  60
  61 // Should this be kept global? Asger says Yes.
  62 DebugStream lyxerr;
  63
  64 LastFiles * lastfiles;
  65
  66 // This is the global bufferlist object
  67 BufferList bufferlist;
  68
  69 LyXServer * lyxserver = 0;
  70 // this should be static, but I need it in buffer.C
  71 bool finished = false;  // flag, that we are quitting the program
  72
  73 // convenient to have it here.
  74 boost::scoped_ptr<kb_keymap> toplevel_keymap;
  75
  76
  77 LyX::LyX(int * argc, char * argv[])
  78 {
  79         // Prevent crash with --help
  80         lyxGUI = 0;
  81         lastfiles = 0;
  82
  83         // Here we need to parse the command line. At least
  84         // we need to parse for "-dbg" and "-help"
  85         bool gui = easyParse(argc, argv);
  86
  87         // Global bindings (this must be done as early as possible.) (Lgb)
  88         toplevel_keymap.reset(new kb_keymap);
  89         defaultKeyBindings(toplevel_keymap.get());
  90
  91         // Make the GUI object, and let it take care of the
  92         // command line arguments that concerns it.
  93         lyxerr[Debug::INIT] << "Initializing LyXGUI..." << endl;
  94         lyxGUI = new LyXGUI(this, argc, argv, gui);
  95         lyxerr[Debug::INIT] << "Initializing LyXGUI...done" << endl;
  96
  97         // Now the GUI and LyX have taken care of their arguments, so
  98         // the only thing left on the command line should be
  99         // filenames. Let's check anyway.
 100         for (int argi = 1; argi < *argc ; ++argi) {
 101                 if (argv[argi][0] == '-') {
 102                         lyxerr << _("Wrong command line option `")
 103                                << argv[argi]
 104                                << _("'. Exiting.") << endl;
 105                         exit(0);
 106                 }
 107         }
 108
 109         // Initialization of LyX (reads lyxrc and more)
 110         lyxerr[Debug::INIT] << "Initializing LyX::init..." << endl;
 111         init(gui);
 112         lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
 113
 114         lyxGUI->init();
 115
 116         // Load the files specified in the command line.
 117         if ((*argc) == 2)
 118                 lyxerr[Debug::INFO] << "Opening document..." << endl;
 119         else if ((*argc) > 2)
 120                 lyxerr[Debug::INFO] << "Opening documents..." << endl;
 121
 122         Buffer * last_loaded = 0;
 123
 124         for (int argi = (*argc) - 1; argi >= 1; --argi) {
 125                 Buffer * loadb = bufferlist.loadLyXFile(argv[argi]);
 126                 if (loadb != 0) {
 127                         last_loaded = loadb;
 128                 }
 129         }
 130
 131         if (first_start) {
 132                 string const splash =
 133                         i18nLibFileSearch("examples", "splash.lyx");
 134                 lyxerr[Debug::INIT] << "Opening splash document "
 135                                << splash << "..." << endl;
 136                 Buffer * loadb = bufferlist.loadLyXFile(splash);
 137                 if (loadb != 0) {
 138                         last_loaded = loadb;
 139                 }
 140         }
 141
 142         if (last_loaded != 0) {
 143                 lyxerr[Debug::INIT] << "Yes we loaded some files." << endl;
 144                 if (lyxrc.use_gui)
 145                         lyxGUI->regBuf(last_loaded);
 146         }
 147
 148         // Execute batch commands if available
 149         if (!batch_command.empty()) {
 150                 lyxerr << "About to handle -x '"
 151                        << batch_command << "'" << endl;
 152
 153                 // no buffer loaded, create one
 154                 if (!last_loaded)
 155                         last_loaded = bufferlist.newFile("tmpfile", string());
 156
 157                 // try to dispatch to last loaded buffer first
 158                 bool dispatched = last_loaded->dispatch(batch_command);
 159
 160                 // if this was successful, return.
 161                 // Maybe we could do something more clever than aborting...
 162                 if (dispatched) {
 163                         lyxerr << "We are done!" << endl;
 164                         QuitLyX();
 165                         return;
 166                 }
 167
 168                 // otherwise, let the GUI handle the batch command
 169                 lyxGUI->regBuf(last_loaded);
 170                 lyxGUI->getLyXView()->getLyXFunc()->dispatch(batch_command);
 171
 172                 // fall through...
 173         }
 174
 175         // Let the ball begin...
 176         lyxGUI->runTime();
 177 }
 178
 179
 180 // A destructor is always necessary  (asierra-970604)
 181 LyX::~LyX()
 182 {
 183         delete lastfiles;
 184         delete lyxGUI;
 185 }
 186
 187
 188 extern "C" {
 189
 190 static
 191 void error_handler(int err_sig)
 192 {
 193         switch (err_sig) {
 194         case SIGHUP:
 195                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 196                 break;
 197         case SIGINT:
 198                 // no comments
 199                 break;
 200         case SIGFPE:
 201                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 202                 break;
 203         case SIGSEGV:
 204                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 205                 lyxerr <<
 206                         "Sorry, you have found a bug in LyX."
 207                         " If possible, please read 'Known bugs'\n"
 208                         "under the Help menu and then send us "
 209                         "a full bug report. Thanks!" << endl;
 210                 break;
 211         case SIGTERM:
 212                 // no comments
 213                 break;
 214         }
 215
 216         // Deinstall the signal handlers
 217         signal(SIGHUP, SIG_DFL);
 218         signal(SIGINT, SIG_DFL);
 219         signal(SIGFPE, SIG_DFL);
 220         signal(SIGSEGV, SIG_DFL);
 221         signal(SIGTERM, SIG_DFL);
 222
 223         bufferlist.emergencyWriteAll();
 224
 225         lyxerr << "Bye." << endl;
 226         if (err_sig!= SIGHUP &&
 227            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 228                 lyx::abort();
 229         exit(0);
 230 }
 231
 232 }
 233
 234
 235 void LyX::init(bool gui)
 236 {
 237         // Install the signal handlers
 238         signal(SIGHUP, error_handler);
 239         signal(SIGFPE, error_handler);
 240         signal(SIGSEGV, error_handler);
 241         signal(SIGINT, error_handler);
 242         signal(SIGTERM, error_handler);
 243
 244         //
 245         // Determine path of binary
 246         //
 247
 248         string fullbinpath;
 249         string binpath = os::binpath();
 250         string binname = os::binname();
 251         fullbinpath = binpath;
 252
 253         if (binpath.empty()) {
 254                 lyxerr << _("Warning: could not determine path of binary.")
 255                        << "\n"
 256                        << _("If you have problems, try starting LyX with an absolute path.")
 257                        << endl;
 258         }
 259         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 260
 261         //
 262         // Determine system directory.
 263         //
 264
 265         // Directories are searched in this order:
 266         // 1) -sysdir command line parameter
 267         // 2) LYX_DIR_11x environment variable
 268         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 269         // 4) <path of binary>/../share/<name of binary>/
 270         // 4a) repeat 4 after following the Symlink if <path of
 271         //     binary> is a symbolic link.
 272         // 5) hardcoded lyx_dir
 273         // The directory is checked for the presence of the file
 274         // "chkconfig.ltx", and if that is present, the directory
 275         // is accepted as the system directory.
 276         // If no chkconfig.ltx file is found, a warning is given,
 277         // and the hardcoded lyx_dir is used.
 278
 279         // If we had a command line switch, system_lyxdir is already set
 280         string searchpath;
 281         if (!system_lyxdir.empty())
 282                 searchpath= MakeAbsPath(system_lyxdir) + ';';
 283
 284         // LYX_DIR_11x environment variable
 285         string const lyxdir = GetEnvPath("LYX_DIR_11x");
 286
 287         if (!lyxdir.empty()) {
 288                 lyxerr[Debug::INIT] << "LYX_DIR_11x: " << lyxdir << endl;
 289                 searchpath += lyxdir + ';';
 290         }
 291
 292         // <path of binary>/TOP_SRCDIR/lib
 293         build_lyxdir = MakeAbsPath("../lib", binpath);
 294         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 295                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 296                                           binpath) + ';';
 297                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 298                         "place... yes" << endl;
 299         } else {
 300                 lyxerr[Debug::INIT]
 301                         << "Checking whether LyX is run in place... no"
 302                         << endl;
 303                 build_lyxdir.erase();
 304         }
 305
 306         bool followlink;
 307         do {
 308           // Path of binary/../share/name of binary/
 309                 searchpath += NormalizePath(AddPath(binpath, "../share/") +
 310                       OnlyFilename(binname)) + ';';
 311
 312           // Follow Symlinks
 313                 FileInfo file(fullbinpath, true);
 314                 followlink = file.isLink();
 315                 if (followlink) {
 316                         string link;
 317                         if (LyXReadLink(fullbinpath, link)) {
 318                                 fullbinpath = link;
 319                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 320                         }
 321                         else {
 322                                 followlink = false;
 323                         }
 324                 }
 325         } while (followlink);
 326
 327         // Hardcoded dir
 328         searchpath += LYX_DIR;
 329
 330         // If debugging, show complete search path
 331         lyxerr[Debug::INIT] << "System directory search path: "
 332                             << searchpath << endl;
 333
 334         string const filename = "chkconfig.ltx";
 335         string const temp = FileOpenSearch(searchpath, filename, string());
 336         system_lyxdir = OnlyPath(temp);
 337
 338         // Reduce "path/../path" stuff out of system directory
 339         system_lyxdir = NormalizePath(system_lyxdir);
 340
 341         bool path_shown = false;
 342
 343         // Warn if environment variable is set, but unusable
 344         if (!lyxdir.empty()) {
 345                 if (system_lyxdir != NormalizePath(lyxdir)) {
 346                         lyxerr <<_("LYX_DIR_11x environment variable no good.")
 347                                << '\n'
 348                                << _("System directory set to: ")
 349                                << system_lyxdir << endl;
 350                         path_shown = true;
 351                 }
 352         }
 353
 354         // Warn the user if we couldn't find "chkconfig.ltx"
 355         if (system_lyxdir == "./") {
 356                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 357                        <<_("Try the '-sysdir' command line parameter or ")
 358                        <<_("set the environment variable LYX_DIR_11x to the "
 359                            "LyX system directory ")
 360                        << _("containing the file `chkconfig.ltx'.") << endl;
 361                 if (!path_shown) {
 362                         FileInfo fi(LYX_DIR);
 363                         if (!fi.exist()) {
 364                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 365                                         << "Giving up." << endl;
 366                                 exit(1);
 367                         }
 368                         lyxerr << _("Using built-in default ")
 369                                << LYX_DIR << _(" but expect problems.")
 370                                << endl;
 371                 } else {
 372                         lyxerr << _("Expect problems.") << endl;
 373                 }
 374                 system_lyxdir = LYX_DIR;
 375                 path_shown = true;
 376         }
 377         // Report the system directory if debugging is on
 378         if (!path_shown)
 379                 lyxerr[Debug::INIT] << "System directory: '"
 380                                     << system_lyxdir << '\'' << endl;
 381
 382         //
 383         // Determine user lyx-dir
 384         //
 385
 386         // Directories are searched in this order:
 387         // 1) -userdir command line parameter
 388         // 2) LYX_USERDIR_11x environment variable
 389         // 3) $HOME/.<name of binary>
 390
 391         // If we had a command line switch, user_lyxdir is already set
 392         bool explicit_userdir = true;
 393         if (user_lyxdir.empty()) {
 394
 395                 // LYX_USERDIR_11x environment variable
 396                 user_lyxdir = GetEnvPath("LYX_USERDIR_11x");
 397
 398                 // default behaviour
 399                 if (user_lyxdir.empty())
 400                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 401                                                         string(".") + PACKAGE);
 402                         explicit_userdir = false;
 403         }
 404
 405         lyxerr[Debug::INIT] << "User LyX directory: '"
 406                             <<  user_lyxdir << '\'' << endl;
 407
 408         // Check that user LyX directory is ok. We don't do that if
 409         // running in batch mode.
 410         if (gui) {
 411                 queryUserLyXDir(explicit_userdir);
 412         } else {
 413                 first_start = false;
 414         }
 415
 416         //
 417         // Shine up lyxrc defaults
 418         //
 419
 420         // Default template path: system_dir/templates
 421         if (lyxrc.template_path.empty()){
 422                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 423         }
 424
 425         // Default lastfiles file: $HOME/.lyx/lastfiles
 426         if (lyxrc.lastfiles.empty()){
 427                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 428         }
 429
 430         // Disable gui when either lyxrc or easyparse says so
 431         if (!gui)
 432                 lyxrc.use_gui = false;
 433
 434         // Calculate screen dpi as average of x-DPI and y-DPI:
 435         if (lyxrc.use_gui) {
 436                 lyxrc.dpi = getScreenDPI();
 437                 lyxerr[Debug::INIT] << "DPI setting detected to be "
 438                                                 << lyxrc.dpi + 0.5 << endl;
 439         } else {
 440                 lyxrc.dpi = 1; // I hope this is safe
 441         }
 442
 443         //
 444         // Read configuration files
 445         //
 446
 447         readRcFile("lyxrc.defaults");
 448         system_lyxrc = lyxrc;
 449         system_formats = formats;
 450         system_converters = converters;
 451         system_lcolor = lcolor;
 452
 453         // If there is a preferences file we read that instead
 454         // of the old lyxrc file.
 455         if (!readRcFile("preferences"))
 456             readRcFile("lyxrc");
 457
 458         // Read encodings
 459         readEncodingsFile("encodings");
 460         // Read languages
 461         readLanguagesFile("languages");
 462
 463         // Load the layouts
 464         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 465         LyXSetStyle();
 466
 467         // Ensure that we have really read a bind file, so that LyX is
 468         // usable.
 469         lyxrc.readBindFileIfNeeded();
 470
 471         // Read menus
 472         readUIFile(lyxrc.ui_file);
 473
 474         // Bind the X dead keys to the corresponding LyX functions if
 475         // necessary.
 476         if (lyxrc.override_x_deadkeys)
 477                 deadKeyBindings(toplevel_keymap.get());
 478
 479         if (lyxerr.debugging(Debug::LYXRC)) {
 480                 lyxrc.print();
 481         }
 482
 483         // Create temp directory
 484         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 485         system_tempdir = os::getTmpDir();
 486         if (lyxerr.debugging(Debug::INIT)) {
 487                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 488         }
 489
 490         // load the lastfiles mini-database
 491         lyxerr[Debug::INIT] << "Reading lastfiles `"
 492                             << lyxrc.lastfiles << "'..." << endl;
 493         lastfiles = new LastFiles(lyxrc.lastfiles,
 494                                   lyxrc.check_lastfiles,
 495                                   lyxrc.num_lastfiles);
 496
 497         // start up the lyxserver. (is this a bit early?) (Lgb)
 498         // 0.12 this will be way to early, we need the GUI to be initialized
 499         // first, so move it for now.
 500         // lyxserver = new LyXServer;
 501 }
 502
 503
 504 // These are the default bindings known to LyX
 505 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 506 {
 507         kbmap->bind("Right", LFUN_RIGHT);
 508         kbmap->bind("Left", LFUN_LEFT);
 509         kbmap->bind("Up", LFUN_UP);
 510         kbmap->bind("Down", LFUN_DOWN);
 511
 512         kbmap->bind("Tab", LFUN_TAB);
 513         kbmap->bind("ISO_Left_Tab", LFUN_TAB); // jbl 2001-23-02
 514
 515         kbmap->bind("Home", LFUN_HOME);
 516         kbmap->bind("End", LFUN_END);
 517         kbmap->bind("Prior", LFUN_PRIOR);
 518         kbmap->bind("Next", LFUN_NEXT);
 519
 520         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 521         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 522
 523         kbmap->bind("Delete", LFUN_DELETE);
 524         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 525
 526         // kbmap->bindings to enable the use of the numeric keypad
 527         // e.g. Num Lock set
 528         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 529         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 530         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 531         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 532         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 533         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 534         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 535         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 536         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 537         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 538         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 539         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 540         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 541         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 542         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 543         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 544         kbmap->bind("KP_Right", LFUN_RIGHT);
 545         kbmap->bind("KP_Left", LFUN_LEFT);
 546         kbmap->bind("KP_Up", LFUN_UP);
 547         kbmap->bind("KP_Down", LFUN_DOWN);
 548         kbmap->bind("KP_Home", LFUN_HOME);
 549         kbmap->bind("KP_End", LFUN_END);
 550         kbmap->bind("KP_Prior", LFUN_PRIOR);
 551         kbmap->bind("KP_Next", LFUN_NEXT);
 552
 553         kbmap->bind("C-Tab", LFUN_TABINSERT);  // ale970515
 554         kbmap->bind("S-Tab", LFUN_SHIFT_TAB);  // jug20000522
 555         kbmap->bind("S-ISO_Left_Tab", LFUN_SHIFT_TAB); // jbl 2001-23-02
 556 }
 557
 558
 559 // LyX can optionally take over the handling of deadkeys
 560 void LyX::deadKeyBindings(kb_keymap * kbmap)
 561 {
 562         // bindKeyings for transparent handling of deadkeys
 563         // The keysyms are gotten from XFree86 X11R6
 564         kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
 565         kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
 566         kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
 567         kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
 568         kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
 569         kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
 570         kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
 571         kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
 572         kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
 573         kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
 574         // nothing with this name
 575         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
 576         kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
 577         kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
 578         // nothing with this name either...
 579         //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
 580         kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
 581         kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
 582         kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
 583 }
 584
 585
 586 // This one is not allowed to use anything on the main form, since that
 587 // one does not exist yet. (Asger)
 588 void LyX::queryUserLyXDir(bool explicit_userdir)
 589 {
 590         // Does user directory exist?
 591         FileInfo fileInfo(user_lyxdir);
 592         if (fileInfo.isOK() && fileInfo.isDir()) {
 593                 first_start = false;
 594                 return;
 595         } else {
 596                 first_start = !explicit_userdir;
 597         }
 598
 599         // If the user specified explicitely a directory, ask whether
 600         // to create it (otherwise, always create it)
 601         if (explicit_userdir &&
 602             !AskQuestion(_("You have specified an invalid LyX directory."),
 603                          _("It is needed to keep your own configuration."),
 604                          _("Should I try to set it up for you (recommended)?"))) {
 605                 lyxerr << _("Running without personal LyX directory.") << endl;
 606                 // No, let's use $HOME instead.
 607                 user_lyxdir = GetEnvPath("HOME");
 608                 return;
 609         }
 610
 611         // Tell the user what is going on
 612         lyxerr << _("LyX: Creating directory ") << user_lyxdir
 613                << _(" and running configure...") << endl;
 614
 615         // Create directory structure
 616         if (!createDirectory(user_lyxdir, 0755)) {
 617                 // Failed, let's use $HOME instead.
 618                 user_lyxdir = GetEnvPath("HOME");
 619                 lyxerr << _("Failed. Will use ") << user_lyxdir
 620                        << _(" instead.") << endl;
 621                 return;
 622         }
 623
 624         // Run configure in user lyx directory
 625         Path p(user_lyxdir);
 626         ::system(AddName(system_lyxdir, "configure").c_str());
 627         lyxerr << "LyX: " << _("Done!") << endl;
 628 }
 629
 630
 631 // Read the rc file `name'
 632 bool LyX::readRcFile(string const & name)
 633 {
 634         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 635
 636         string const lyxrc_path = LibFileSearch(string(), name);
 637         if (!lyxrc_path.empty()){
 638                 lyxerr[Debug::INIT] << "Found " << name
 639                                     << " in " << lyxrc_path << endl;
 640                 if (lyxrc.read(lyxrc_path) < 0) {
 641                         WriteAlert(_("LyX Warning!"),
 642                                    _("Error while reading ") + lyxrc_path + ".",
 643                                    _("Using built-in defaults."));
 644                         return false;
 645                 }
 646                 return true;
 647         } else {
 648                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 649         }
 650
 651         return false;
 652 }
 653
 654
 655 // Read the ui file `name'
 656 void LyX::readUIFile(string const & name)
 657 {
 658         enum Uitags {
 659                 ui_menuset = 1,
 660                 ui_toolbar,
 661                 ui_last
 662         };
 663
 664         struct keyword_item uitags[ui_last-1] = {
 665                 { "menuset", ui_menuset },
 666                 { "toolbar", ui_toolbar }
 667         };
 668
 669         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 670
 671         string const ui_path = LibFileSearch("ui", name, "ui");
 672
 673         if (ui_path.empty()) {
 674                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 675                 menubackend.defaults();
 676                 return;
 677         }
 678
 679         lyxerr[Debug::INIT] << "Found " << name
 680                             << " in " << ui_path << endl;
 681         LyXLex lex(uitags, ui_last - 1);
 682         lex.setFile(ui_path);
 683         if (!lex.isOK()) {
 684                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 685                        << endl;
 686         }
 687
 688         if (lyxerr.debugging(Debug::PARSER))
 689                 lex.printTable(lyxerr);
 690
 691         while (lex.isOK()) {
 692                 switch (lex.lex()) {
 693                 case ui_menuset:
 694                         menubackend.read(lex);
 695                         break;
 696
 697                 case ui_toolbar:
 698                         toolbardefaults.read(lex);
 699                         break;
 700
 701                 default:
 702                         if(!strip(lex.getString()).empty())
 703                                 lex.printError("LyX::ReadUIFile: "
 704                                                "Unknown menu tag: `$$Token'");
 705                         break;
 706                 }
 707         }
 708 }
 709
 710
 711 // Read the languages file `name'
 712 void LyX::readLanguagesFile(string const & name)
 713 {
 714         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 715
 716         string const lang_path = LibFileSearch(string(), name);
 717         if (lang_path.empty()) {
 718                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 719                 languages.setDefaults();
 720                 return;
 721         }
 722         languages.read(lang_path);
 723 }
 724
 725
 726 // Read the encodings file `name'
 727 void LyX::readEncodingsFile(string const & name)
 728 {
 729         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 730
 731         string const enc_path = LibFileSearch(string(), name);
 732         if (enc_path.empty()) {
 733                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 734                 return;
 735         }
 736         encodings.read(enc_path);
 737 }
 738
 739
 740 namespace {
 741
 742 // Set debugging level and report result to user
 743 void setDebuggingLevel(string const & dbgLevel)
 744 {
 745         lyxerr << _("Setting debug level to ") <<  dbgLevel << endl;
 746         lyxerr.level(Debug::value(dbgLevel));
 747         Debug::showLevel(lyxerr, lyxerr.level());
 748 }
 749
 750
 751 // Give command line help
 752 void commandLineHelp()
 753 {
 754         lyxerr <<
 755                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 756                   "Command line switches (case sensitive):\n"
 757                   "\t-help              summarize LyX usage\n"
 758                   "\t-userdir dir       try to set user directory to dir\n"
 759                   "\t-sysdir dir        try to set system directory to dir\n"
 760                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 761                   "\t-dbg feature[,feature]...\n"
 762                   "                  select the features to debug.\n"
 763                   "                  Type `lyx -dbg' to see the list of features\n"
 764                   "\t-x [--execute] command\n"
 765                   "                  where command is a lyx command.\n"
 766                   "\t-e [--export] fmt\n"
 767                   "                  where fmt is the export format of choice.\n"
 768                   "\t-i [--import] fmt file.xxx\n"
 769                   "                  where fmt is the import format of choice\n"
 770                   "                  and file.xxx is the file to be imported.\n"
 771                   "\t-version        summarize version and build info\n"
 772                   "Check the LyX man page for more details.") << endl;
 773 }
 774
 775 // Give command line version information
 776 void commandLineVersionInfo()
 777 {
 778         lyxerr << "LyX " << lyx_version
 779                << " of " << lyx_release_date << endl;
 780         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 781
 782         lyxerr << lyx_version_info << endl;
 783 }
 784
 785
 786 } // namespace anon
 787
 788
 789 bool LyX::easyParse(int * argc, char * argv[])
 790 {
 791         bool gui = true;
 792         int removeargs = 0; // used when options are read
 793         for (int i = 1; i < *argc; ++i) {
 794                 string arg = argv[i];
 795
 796                 // Check for -dbg int
 797                 if (arg == "-dbg") {
 798                         if (i + 1 < *argc) {
 799                                 setDebuggingLevel(argv[i + 1]);
 800                                 removeargs = 2;
 801                         } else {
 802                                 lyxerr << _("List of supported debug flags:")
 803                                        << endl;
 804                                 Debug::showTags(lyxerr);
 805                                 exit(0);
 806                         }
 807                 }
 808                 // Check for "-sysdir"
 809                 else if (arg == "-sysdir") {
 810                         if (i + 1 < *argc) {
 811                                 system_lyxdir = argv[i + 1];
 812                                 removeargs = 2;
 813                         } else {
 814                                 lyxerr << _("Missing directory for -sysdir switch!")
 815                                        << endl;
 816                                 exit(0);
 817                         }
 818                 }
 819                 // Check for "-userdir"
 820                 else if (arg == "-userdir") {
 821                         if (i + 1 < *argc) {
 822                                 user_lyxdir = argv[i + 1];
 823                                 removeargs = 2;
 824                         } else {
 825                                 lyxerr << _("Missing directory for -userdir switch!")
 826                                        << endl;
 827                                 exit(0);
 828                         }
 829                 }
 830                 // Check for --help or -help
 831                 else if (arg == "--help" || arg == "-help") {
 832                         commandLineHelp();
 833                         exit(0);
 834                 }
 835                 // Check for --version or -version
 836                 else if (arg == "--version" || arg == "-version") {
 837                         commandLineVersionInfo();
 838                         exit(0);
 839                 }
 840                 // Check for "-nw": No XWindows as for emacs this should
 841                 // give a LyX that could be used in a terminal window.
 842                 //else if (arg == "-nw") {
 843                 //      gui = false;
 844                 //}
 845
 846                 // Check for "-x": Execute commands
 847                 else if (arg == "-x" || arg == "--execute") {
 848                         if (i + 1 < *argc) {
 849                                 batch_command = string(argv[i + 1]);
 850                                 removeargs = 2;
 851                         }
 852                         else
 853                                 lyxerr << _("Missing command string after  -x switch!") << endl;
 854
 855                         // Argh. Setting gui to false segfaults..
 856                         //gui = false;
 857                 }
 858
 859                 else if (arg == "-e" || arg == "--export") {
 860                         if (i + 1 < *argc) {
 861                                 string type(argv[i+1]);
 862                                 removeargs = 2;
 863                                 batch_command = "buffer-export " + type;
 864                                 gui = false;
 865                         } else
 866                                 lyxerr << _("Missing file type [eg latex, "
 867                                             "ps...] after ")
 868                                        << arg << _(" switch!") << endl;
 869                 }
 870                 else if (arg == "-i" || arg == "--import") {
 871                         if (i + 1 < *argc) {
 872                                 string type(argv[i+1]);
 873                                 string file(argv[i+2]);
 874                                 removeargs = 3;
 875
 876                                 batch_command = "buffer-import " + type + " " + file;
 877                                 lyxerr << "batch_command: "
 878                                        << batch_command << endl;
 879
 880                         } else
 881                                 lyxerr << _("Missing type [eg latex, "
 882                                             "ps...] after ")
 883                                        << arg << _(" switch!") << endl;
 884                 }
 885
 886                 if (removeargs > 0) {
 887                         // Now, remove used arguments by shifting
 888                         // the following ones removeargs places down.
 889                         (*argc) -= removeargs;
 890                         for (int j = i; j < (*argc); ++j)
 891                                 argv[j] = argv[j + removeargs];
 892                         --i; // After shift, check this number again.
 893                         removeargs = 0;
 894                 }
 895
 896         }
 897
 898         return gui;
 899 }
 900
 901