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 #include <version.h>
  13
  14 #ifdef __GNUG__
  15 #pragma implementation
  16 #endif
  17
  18 #include "lyx_main.h"
  19 #include "lyx_gui.h"
  20 #include "frontends/LyXView.h"
  21 #include "lyxfunc.h"
  22 #include "lyxrc.h"
  23 #include "buffer.h"
  24 #include "bufferlist.h"
  25 #include "debug.h"
  26 #include "lastfiles.h"
  27 #include "intl.h"
  28 #include "lyxserver.h"
  29 //#include "layout.h"
  30 #include "lyxtextclasslist.h"
  31 #include "gettext.h"
  32 #include "kbmap.h"
  33 #include "MenuBackend.h"
  34 #include "ToolbarDefaults.h"
  35 #include "lyxlex.h"
  36 #include "encoding.h"
  37 #include "converter.h"
  38 #include "language.h"
  39
  40 #include "frontends/Alert.h"
  41 #include "frontends/GUIRunTime.h"
  42
  43 #include "support/path.h"
  44 #include "support/filetools.h"
  45 #include "support/FileInfo.h"
  46 #include "support/os.h"
  47
  48 #include <cstdlib>
  49 #include <csignal>
  50
  51 using std::endl;
  52
  53 #ifndef CXX_GLOBAL_CSTD
  54 using std::exit;
  55 using std::signal;
  56 using std::system;
  57 #endif
  58
  59 extern void LoadLyXFile(string const &);
  60 extern void QuitLyX();
  61
  62 string system_lyxdir;
  63 string build_lyxdir;
  64 string system_tempdir;
  65 string user_lyxdir;     // Default $HOME/.lyx
  66
  67 // Should this be kept global? Asger says Yes.
  68 DebugStream lyxerr;
  69
  70 boost::scoped_ptr<LastFiles> lastfiles;
  71
  72 // This is the global bufferlist object
  73 BufferList bufferlist;
  74
  75 LyXServer * lyxserver = 0;
  76 // this should be static, but I need it in buffer.C
  77 bool finished = false;  // flag, that we are quitting the program
  78
  79 // convenient to have it here.
  80 boost::scoped_ptr<kb_keymap> toplevel_keymap;
  81
  82
  83 LyX::LyX(int * argc, char * argv[])
  84 {
  85         // Here we need to parse the command line. At least
  86         // we need to parse for "-dbg" and "-help"
  87         bool gui = easyParse(argc, argv);
  88
  89         // Global bindings (this must be done as early as possible.) (Lgb)
  90         toplevel_keymap.reset(new kb_keymap);
  91         defaultKeyBindings(toplevel_keymap.get());
  92
  93         // Make the GUI object, and let it take care of the
  94         // command line arguments that concerns it.
  95         lyxerr[Debug::INIT] << "Initializing LyXGUI..." << endl;
  96         lyxGUI.reset(new LyXGUI(this, argc, argv, gui));
  97         lyxerr[Debug::INIT] << "Initializing LyXGUI...done" << endl;
  98
  99         // Now the GUI and LyX have taken care of their arguments, so
 100         // the only thing left on the command line should be
 101         // filenames. Let's check anyway.
 102         for (int argi = 1; argi < *argc ; ++argi) {
 103                 if (argv[argi][0] == '-') {
 104                         lyxerr << _("Wrong command line option `")
 105                                << argv[argi]
 106                                << _("'. Exiting.") << endl;
 107                         exit(1);
 108                 }
 109         }
 110
 111         // Initialization of LyX (reads lyxrc and more)
 112         lyxerr[Debug::INIT] << "Initializing LyX::init..." << endl;
 113         init(gui);
 114         lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
 115
 116         lyxGUI->init();
 117
 118         // Load the files specified in the command line.
 119         if ((*argc) == 2)
 120                 lyxerr[Debug::INFO] << "Opening document..." << endl;
 121         else if ((*argc) > 2)
 122                 lyxerr[Debug::INFO] << "Opening documents..." << endl;
 123
 124         Buffer * last_loaded = 0;
 125
 126         for (int argi = (*argc) - 1; argi >= 1; --argi) {
 127                 Buffer * loadb = bufferlist.loadLyXFile(argv[argi]);
 128                 if (loadb != 0) {
 129                         last_loaded = loadb;
 130                 }
 131         }
 132
 133         if (first_start) {
 134                 string const splash =
 135                         i18nLibFileSearch("examples", "splash.lyx");
 136                 lyxerr[Debug::INIT] << "Opening splash document "
 137                                << splash << "..." << endl;
 138                 Buffer * loadb = bufferlist.loadLyXFile(splash);
 139                 if (loadb != 0) {
 140                         last_loaded = loadb;
 141                 }
 142         }
 143
 144         if (last_loaded != 0) {
 145                 lyxerr[Debug::INIT] << "Yes we loaded some files." << endl;
 146                 if (lyxrc.use_gui)
 147                         lyxGUI->regBuf(last_loaded);
 148         }
 149
 150         // Execute batch commands if available
 151         if (!batch_command.empty()) {
 152                 lyxerr << "About to handle -x '"
 153                        << batch_command << "'" << endl;
 154
 155                 // no buffer loaded, create one
 156                 if (!last_loaded)
 157                         last_loaded = bufferlist.newFile("tmpfile", string());
 158
 159                 bool success = false;
 160
 161                 // try to dispatch to last loaded buffer first
 162                 bool dispatched = last_loaded->dispatch(batch_command, &success);
 163
 164                 // if this was successful, return.
 165                 // Maybe we could do something more clever than aborting...
 166                 if (dispatched) {
 167                         QuitLyX();
 168                         exit(!success);
 169                 }
 170
 171                 // otherwise, let the GUI handle the batch command
 172                 lyxGUI->regBuf(last_loaded);
 173                 lyxGUI->getLyXView()->getLyXFunc()->verboseDispatch(batch_command, false);
 174
 175                 // fall through...
 176         }
 177
 178         // Let the ball begin...
 179         lyxGUI->runTime();
 180 }
 181
 182
 183 // A destructor is always necessary  (asierra-970604)
 184 LyX::~LyX()
 185 {
 186 }
 187
 188
 189 extern "C" {
 190
 191 static
 192 void error_handler(int err_sig)
 193 {
 194         switch (err_sig) {
 195         case SIGHUP:
 196                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 197                 break;
 198         case SIGINT:
 199                 // no comments
 200                 break;
 201         case SIGFPE:
 202                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 203                 break;
 204         case SIGSEGV:
 205                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 206                 lyxerr <<
 207                         "Sorry, you have found a bug in LyX. "
 208                         "Please read the bug-reporting instructions "
 209                         "in Help->Introduction and send us a bug report, "
 210                         "if necessary. Thanks !" << endl;
 211                 break;
 212         case SIGTERM:
 213                 // no comments
 214                 break;
 215         }
 216
 217         // Deinstall the signal handlers
 218         signal(SIGHUP, SIG_DFL);
 219         signal(SIGINT, SIG_DFL);
 220         signal(SIGFPE, SIG_DFL);
 221         signal(SIGSEGV, SIG_DFL);
 222         signal(SIGTERM, SIG_DFL);
 223
 224         LyX::emergencyCleanup();
 225
 226         lyxerr << "Bye." << endl;
 227         if (err_sig!= SIGHUP &&
 228            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 229                 lyx::abort();
 230         exit(0);
 231 }
 232
 233 }
 234
 235
 236 void LyX::init(bool gui)
 237 {
 238         // Install the signal handlers
 239         signal(SIGHUP, error_handler);
 240         signal(SIGFPE, error_handler);
 241         signal(SIGSEGV, error_handler);
 242         signal(SIGINT, error_handler);
 243         signal(SIGTERM, error_handler);
 244
 245         //
 246         // Determine path of binary
 247         //
 248
 249         string binpath = os::binpath();
 250         string binname = os::binname();
 251         string fullbinname = MakeAbsPath(binname, 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] << "Name of binary: " << binname << endl;
 260         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 261
 262         //
 263         // Determine system directory.
 264         //
 265
 266         // Directories are searched in this order:
 267         // 1) -sysdir command line parameter
 268         // 2) LYX_DIR_13x environment variable
 269         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 270         // 4) <path of binary>/../share/<name of binary>/
 271         // 4a) repeat 4 after following the Symlink if <path of
 272         //     binary> is a symbolic link.
 273         // 5) hardcoded lyx_dir
 274         // The directory is checked for the presence of the file
 275         // "chkconfig.ltx", and if that is present, the directory
 276         // is accepted as the system directory.
 277         // If no chkconfig.ltx file is found, a warning is given,
 278         // and the hardcoded lyx_dir is used.
 279
 280         // If we had a command line switch, system_lyxdir is already set
 281         string searchpath;
 282         if (!system_lyxdir.empty())
 283                 searchpath= MakeAbsPath(system_lyxdir) + ';';
 284
 285         // LYX_DIR_13x environment variable
 286         string const lyxdir = GetEnvPath("LYX_DIR_13x");
 287
 288         if (!lyxdir.empty()) {
 289                 lyxerr[Debug::INIT] << "LYX_DIR_13x: " << lyxdir << endl;
 290                 searchpath += lyxdir + ';';
 291         }
 292
 293         string fullbinpath = binpath;
 294         FileInfo file(fullbinname, true);
 295         if (file.isLink()) {
 296                 lyxerr[Debug::INIT] << "binary is a link" << endl;
 297                 string link;
 298                 if (LyXReadLink(fullbinname, link)) {
 299                         // Path of binary/../share/name of binary/
 300                         searchpath += NormalizePath(AddPath(binpath,
 301                                                             "../share/")
 302                                                     + OnlyFilename(binname));
 303                         searchpath += ';';
 304                         fullbinpath = link;
 305                         binpath = MakeAbsPath(OnlyPath(fullbinpath));
 306                 }
 307         }
 308
 309         bool followlink;
 310         do {
 311                 // Path of binary/../share/name of binary/
 312                 searchpath += NormalizePath(AddPath(binpath, "../share/") +
 313                       OnlyFilename(binname)) + ';';
 314
 315                 // Follow Symlinks
 316                 FileInfo file(fullbinpath, true);
 317                 followlink = file.isLink();
 318                 if (followlink) {
 319                         lyxerr << " directory " << fullbinpath
 320                                << " is a link" << endl;
 321                         string link;
 322                         if (LyXReadLink(fullbinpath, link)) {
 323                                 fullbinpath = link;
 324                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 325                         }
 326                         else {
 327                                 followlink = false;
 328                         }
 329                 }
 330         } while (followlink);
 331
 332         // <path of binary>/TOP_SRCDIR/lib
 333         build_lyxdir = MakeAbsPath("../lib", binpath);
 334         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 335                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 336                                           binpath) + ';';
 337                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 338                         "place... yes" << endl;
 339         } else {
 340                 lyxerr[Debug::INIT]
 341                         << "Checking whether LyX is run in place... no"
 342                         << endl;
 343                 build_lyxdir.erase();
 344         }
 345
 346         // Hardcoded dir
 347         searchpath += LYX_DIR;
 348
 349         // If debugging, show complete search path
 350         lyxerr[Debug::INIT] << "System directory search path: "
 351                             << searchpath << endl;
 352
 353         string const filename = "chkconfig.ltx";
 354         string const temp = FileOpenSearch(searchpath, filename, string());
 355         system_lyxdir = OnlyPath(temp);
 356
 357         // Reduce "path/../path" stuff out of system directory
 358         system_lyxdir = NormalizePath(system_lyxdir);
 359
 360         bool path_shown = false;
 361
 362         // Warn if environment variable is set, but unusable
 363         if (!lyxdir.empty()) {
 364                 if (system_lyxdir != NormalizePath(lyxdir)) {
 365                         lyxerr <<_("LYX_DIR_13x environment variable no good.")
 366                                << '\n'
 367                                << _("System directory set to: ")
 368                                << system_lyxdir << endl;
 369                         path_shown = true;
 370                 }
 371         }
 372
 373         // Warn the user if we couldn't find "chkconfig.ltx"
 374         if (system_lyxdir == "./") {
 375                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 376                        <<_("Try the '-sysdir' command line parameter or ")
 377                        <<_("set the environment variable LYX_DIR_13x to the "
 378                            "LyX system directory ")
 379                        << _("containing the file `chkconfig.ltx'.") << endl;
 380                 if (!path_shown) {
 381                         FileInfo fi(LYX_DIR);
 382                         if (!fi.exist()) {
 383                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 384                                         << "Giving up." << endl;
 385                                 exit(1);
 386                         }
 387                         lyxerr << _("Using built-in default ")
 388                                << LYX_DIR << _(" but expect problems.")
 389                                << endl;
 390                 } else {
 391                         lyxerr << _("Expect problems.") << endl;
 392                 }
 393                 system_lyxdir = LYX_DIR;
 394                 path_shown = true;
 395         }
 396         // Report the system directory if debugging is on
 397         if (!path_shown)
 398                 lyxerr[Debug::INIT] << "System directory: '"
 399                                     << system_lyxdir << '\'' << endl;
 400
 401         //
 402         // Determine user lyx-dir
 403         //
 404
 405         // Directories are searched in this order:
 406         // 1) -userdir command line parameter
 407         // 2) LYX_USERDIR_13x environment variable
 408         // 3) $HOME/.<name of binary>
 409
 410         // If we had a command line switch, user_lyxdir is already set
 411         bool explicit_userdir = true;
 412         if (user_lyxdir.empty()) {
 413
 414                 // LYX_USERDIR_13x environment variable
 415                 user_lyxdir = GetEnvPath("LYX_USERDIR_13x");
 416
 417                 // default behaviour
 418                 if (user_lyxdir.empty())
 419                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 420                                                         string(".") + PACKAGE);
 421                         explicit_userdir = false;
 422         }
 423
 424         lyxerr[Debug::INIT] << "User LyX directory: '"
 425                             <<  user_lyxdir << '\'' << endl;
 426
 427         // Check that user LyX directory is ok. We don't do that if
 428         // running in batch mode.
 429         if (gui) {
 430                 queryUserLyXDir(explicit_userdir);
 431         } else {
 432                 first_start = false;
 433         }
 434
 435         //
 436         // Shine up lyxrc defaults
 437         //
 438
 439         // Default template path: system_dir/templates
 440         if (lyxrc.template_path.empty()) {
 441                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 442         }
 443
 444         // Default lastfiles file: $HOME/.lyx/lastfiles
 445         if (lyxrc.lastfiles.empty()) {
 446                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 447         }
 448
 449         // Disable gui when either lyxrc or easyparse says so
 450         if (!gui)
 451                 lyxrc.use_gui = false;
 452
 453         // Calculate screen dpi as average of x-DPI and y-DPI:
 454         if (lyxrc.use_gui) {
 455                 lyxrc.dpi = GUIRunTime::getScreenDPI();
 456                 lyxerr[Debug::INIT] << "DPI setting detected to be "
 457                                                 << lyxrc.dpi + 0.5 << endl;
 458         } else {
 459                 lyxrc.dpi = 1; // I hope this is safe
 460         }
 461
 462         //
 463         // Read configuration files
 464         //
 465
 466         readRcFile("lyxrc.defaults");
 467         system_lyxrc = lyxrc;
 468         system_formats = formats;
 469         system_converters = converters;
 470         system_lcolor = lcolor;
 471
 472         // If there is a preferences file we read that instead
 473         // of the old lyxrc file.
 474         if (!readRcFile("preferences"))
 475             readRcFile("lyxrc");
 476
 477         // Read encodings
 478         readEncodingsFile("encodings");
 479         // Read languages
 480         readLanguagesFile("languages");
 481
 482         // Load the layouts
 483         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 484         LyXSetStyle();
 485
 486         // Ensure that we have really read a bind file, so that LyX is
 487         // usable.
 488         lyxrc.readBindFileIfNeeded();
 489
 490         // Read menus
 491         readUIFile(lyxrc.ui_file);
 492
 493         // Bind the X dead keys to the corresponding LyX functions if
 494         // necessary.
 495         if (lyxrc.override_x_deadkeys)
 496                 deadKeyBindings(toplevel_keymap.get());
 497
 498         if (lyxerr.debugging(Debug::LYXRC)) {
 499                 lyxrc.print();
 500         }
 501
 502         // Create temp directory
 503         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 504         system_tempdir = os::getTmpDir();
 505         if (lyxerr.debugging(Debug::INIT)) {
 506                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 507         }
 508
 509         // load the lastfiles mini-database
 510         lyxerr[Debug::INIT] << "Reading lastfiles `"
 511                             << lyxrc.lastfiles << "'..." << endl;
 512         lastfiles.reset(new LastFiles(lyxrc.lastfiles,
 513                                       lyxrc.check_lastfiles,
 514                                       lyxrc.num_lastfiles));
 515
 516         // start up the lyxserver. (is this a bit early?) (Lgb)
 517         // 0.12 this will be way to early, we need the GUI to be initialized
 518         // first, so move it for now.
 519         // lyxserver = new LyXServer;
 520 }
 521
 522
 523 // These are the default bindings known to LyX
 524 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 525 {
 526         kbmap->bind("Right", LFUN_RIGHT);
 527         kbmap->bind("Left", LFUN_LEFT);
 528         kbmap->bind("Up", LFUN_UP);
 529         kbmap->bind("Down", LFUN_DOWN);
 530
 531         kbmap->bind("Tab", LFUN_TAB);
 532         kbmap->bind("ISO_Left_Tab", LFUN_TAB); // jbl 2001-23-02
 533
 534         kbmap->bind("Home", LFUN_HOME);
 535         kbmap->bind("End", LFUN_END);
 536         kbmap->bind("Prior", LFUN_PRIOR);
 537         kbmap->bind("Next", LFUN_NEXT);
 538
 539         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 540         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 541
 542         kbmap->bind("Delete", LFUN_DELETE);
 543         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 544
 545         // sub- and superscript -MV
 546         kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
 547         kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
 548
 549         // kbmap->bindings to enable the use of the numeric keypad
 550         // e.g. Num Lock set
 551         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 552         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 553         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 554         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 555         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 556         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 557         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 558         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 559         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 560         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 561         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 562         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 563         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 564         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 565         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 566         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 567         kbmap->bind("KP_Right", LFUN_RIGHT);
 568         kbmap->bind("KP_Left", LFUN_LEFT);
 569         kbmap->bind("KP_Up", LFUN_UP);
 570         kbmap->bind("KP_Down", LFUN_DOWN);
 571         kbmap->bind("KP_Home", LFUN_HOME);
 572         kbmap->bind("KP_End", LFUN_END);
 573         kbmap->bind("KP_Prior", LFUN_PRIOR);
 574         kbmap->bind("KP_Next", LFUN_NEXT);
 575
 576         kbmap->bind("C-Tab", LFUN_TABINSERT);  // ale970515
 577         kbmap->bind("S-Tab", LFUN_SHIFT_TAB);  // jug20000522
 578         kbmap->bind("S-ISO_Left_Tab", LFUN_SHIFT_TAB); // jbl 2001-23-02
 579 }
 580
 581
 582 void LyX::emergencyCleanup()
 583 {
 584         // what to do about tmpfiles is non-obvious. we would
 585         // like to delete any we find, but our lyxdir might
 586         // contain documents etc. which might be helpful on
 587         // a crash
 588
 589         bufferlist.emergencyWriteAll();
 590         if (lyxserver)
 591                 lyxserver->emergencyCleanup();
 592 }
 593
 594
 595 // LyX can optionally take over the handling of deadkeys
 596 void LyX::deadKeyBindings(kb_keymap * kbmap)
 597 {
 598         // bindKeyings for transparent handling of deadkeys
 599         // The keysyms are gotten from XFree86 X11R6
 600         kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
 601         kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
 602         kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
 603         kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
 604         kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
 605         kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
 606         kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
 607         kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
 608         kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
 609         kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
 610         // nothing with this name
 611         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
 612         kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
 613         kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
 614         // nothing with this name either...
 615         //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
 616         kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
 617         kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
 618         kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
 619 }
 620
 621
 622 // This one is not allowed to use anything on the main form, since that
 623 // one does not exist yet. (Asger)
 624 void LyX::queryUserLyXDir(bool explicit_userdir)
 625 {
 626         // Does user directory exist?
 627         FileInfo fileInfo(user_lyxdir);
 628         if (fileInfo.isOK() && fileInfo.isDir()) {
 629                 first_start = false;
 630                 return;
 631         } else {
 632                 first_start = !explicit_userdir;
 633         }
 634
 635         // If the user specified explicitely a directory, ask whether
 636         // to create it (otherwise, always create it)
 637         if (explicit_userdir &&
 638             !Alert::askQuestion(_("You have specified an invalid LyX directory."),
 639                          _("It is needed to keep your own configuration."),
 640                          _("Should I try to set it up for you (recommended)?"))) {
 641                 lyxerr << _("Running without personal LyX directory.") << endl;
 642                 // No, let's use $HOME instead.
 643                 user_lyxdir = GetEnvPath("HOME");
 644                 return;
 645         }
 646
 647         // Tell the user what is going on
 648         lyxerr << _("LyX: Creating directory ") << user_lyxdir
 649                << _(" and running configure...") << endl;
 650
 651         // Create directory structure
 652         if (!createDirectory(user_lyxdir, 0755)) {
 653                 // Failed, let's use $HOME instead.
 654                 user_lyxdir = GetEnvPath("HOME");
 655                 lyxerr << _("Failed. Will use ") << user_lyxdir
 656                        << _(" instead.") << endl;
 657                 return;
 658         }
 659
 660         // Run configure in user lyx directory
 661         Path p(user_lyxdir);
 662         ::system(AddName(system_lyxdir, "configure").c_str());
 663         lyxerr << "LyX: " << _("Done!") << endl;
 664 }
 665
 666
 667 // Read the rc file `name'
 668 bool LyX::readRcFile(string const & name)
 669 {
 670         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 671
 672         string const lyxrc_path = LibFileSearch(string(), name);
 673         if (!lyxrc_path.empty()) {
 674                 lyxerr[Debug::INIT] << "Found " << name
 675                                     << " in " << lyxrc_path << endl;
 676                 if (lyxrc.read(lyxrc_path) < 0) {
 677                         Alert::alert(_("LyX Warning!"),
 678                                    _("Error while reading ") + lyxrc_path + ".",
 679                                    _("Using built-in defaults."));
 680                         return false;
 681                 }
 682                 return true;
 683         } else {
 684                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 685         }
 686
 687         return false;
 688 }
 689
 690
 691 // Read the ui file `name'
 692 void LyX::readUIFile(string const & name)
 693 {
 694         enum Uitags {
 695                 ui_menuset = 1,
 696                 ui_toolbar,
 697                 ui_last
 698         };
 699
 700         struct keyword_item uitags[ui_last-1] = {
 701                 { "menuset", ui_menuset },
 702                 { "toolbar", ui_toolbar }
 703         };
 704
 705         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 706
 707         string const ui_path = LibFileSearch("ui", name, "ui");
 708
 709         if (ui_path.empty()) {
 710                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 711                 menubackend.defaults();
 712                 return;
 713         }
 714
 715         lyxerr[Debug::INIT] << "Found " << name
 716                             << " in " << ui_path << endl;
 717         LyXLex lex(uitags, ui_last - 1);
 718         lex.setFile(ui_path);
 719         if (!lex.isOK()) {
 720                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 721                        << endl;
 722         }
 723
 724         if (lyxerr.debugging(Debug::PARSER))
 725                 lex.printTable(lyxerr);
 726
 727         while (lex.isOK()) {
 728                 switch (lex.lex()) {
 729                 case ui_menuset:
 730                         menubackend.read(lex);
 731                         break;
 732
 733                 case ui_toolbar:
 734                         toolbardefaults.read(lex);
 735                         break;
 736
 737                 default:
 738                         if (!strip(lex.getString()).empty())
 739                                 lex.printError("LyX::ReadUIFile: "
 740                                                "Unknown menu tag: `$$Token'");
 741                         break;
 742                 }
 743         }
 744 }
 745
 746
 747 // Read the languages file `name'
 748 void LyX::readLanguagesFile(string const & name)
 749 {
 750         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 751
 752         string const lang_path = LibFileSearch(string(), name);
 753         if (lang_path.empty()) {
 754                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 755                 languages.setDefaults();
 756                 return;
 757         }
 758         languages.read(lang_path);
 759 }
 760
 761
 762 // Read the encodings file `name'
 763 void LyX::readEncodingsFile(string const & name)
 764 {
 765         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 766
 767         string const enc_path = LibFileSearch(string(), name);
 768         if (enc_path.empty()) {
 769                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 770                 return;
 771         }
 772         encodings.read(enc_path);
 773 }
 774
 775
 776 namespace {
 777
 778 // Set debugging level and report result to user
 779 void setDebuggingLevel(string const & dbgLevel)
 780 {
 781         lyxerr << _("Setting debug level to ") <<  dbgLevel << endl;
 782         lyxerr.level(Debug::value(dbgLevel));
 783         Debug::showLevel(lyxerr, lyxerr.level());
 784 }
 785
 786
 787 // Give command line help
 788 void commandLineHelp()
 789 {
 790         lyxerr <<
 791                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 792                   "Command line switches (case sensitive):\n"
 793                   "\t-help              summarize LyX usage\n"
 794                   "\t-userdir dir       try to set user directory to dir\n"
 795                   "\t-sysdir dir        try to set system directory to dir\n"
 796                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 797                   "\t-dbg feature[,feature]...\n"
 798                   "                  select the features to debug.\n"
 799                   "                  Type `lyx -dbg' to see the list of features\n"
 800                   "\t-x [--execute] command\n"
 801                   "                  where command is a lyx command.\n"
 802                   "\t-e [--export] fmt\n"
 803                   "                  where fmt is the export format of choice.\n"
 804                   "\t-i [--import] fmt file.xxx\n"
 805                   "                  where fmt is the import format of choice\n"
 806                   "                  and file.xxx is the file to be imported.\n"
 807                   "\t-version        summarize version and build info\n"
 808                   "Check the LyX man page for more details.") << endl;
 809 }
 810
 811 // Give command line version information
 812 void commandLineVersionInfo()
 813 {
 814         lyxerr << "LyX " << lyx_version
 815                << " of " << lyx_release_date << endl;
 816         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 817
 818         lyxerr << lyx_version_info << endl;
 819 }
 820
 821
 822 } // namespace anon
 823
 824
 825 bool LyX::easyParse(int * argc, char * argv[])
 826 {
 827         bool gui = true;
 828         int removeargs = 0; // used when options are read
 829         for (int i = 1; i < *argc; ++i) {
 830                 string arg = argv[i];
 831
 832                 // Check for -dbg int
 833                 if (arg == "-dbg") {
 834                         if (i + 1 < *argc) {
 835                                 setDebuggingLevel(argv[i + 1]);
 836                                 removeargs = 2;
 837                         } else {
 838                                 lyxerr << _("List of supported debug flags:")
 839                                        << endl;
 840                                 Debug::showTags(lyxerr);
 841                                 exit(1);
 842                         }
 843                 }
 844                 // Check for "-sysdir"
 845                 else if (arg == "-sysdir") {
 846                         if (i + 1 < *argc) {
 847                                 system_lyxdir = argv[i + 1];
 848                                 removeargs = 2;
 849                         } else {
 850                                 lyxerr << _("Missing directory for -sysdir switch!")
 851                                        << endl;
 852                                 exit(1);
 853                         }
 854                 }
 855                 // Check for "-userdir"
 856                 else if (arg == "-userdir") {
 857                         if (i + 1 < *argc) {
 858                                 user_lyxdir = argv[i + 1];
 859                                 removeargs = 2;
 860                         } else {
 861                                 lyxerr << _("Missing directory for -userdir switch!")
 862                                        << endl;
 863                                 exit(1);
 864                         }
 865                 }
 866                 // Check for --help or -help
 867                 else if (arg == "--help" || arg == "-help") {
 868                         commandLineHelp();
 869                         exit(0);
 870                 }
 871                 // Check for --version or -version
 872                 else if (arg == "--version" || arg == "-version") {
 873                         commandLineVersionInfo();
 874                         exit(0);
 875                 }
 876                 // FIXME: why is this commented out ?
 877                 // Check for "-nw": No XWindows as for emacs this should
 878                 // give a LyX that could be used in a terminal window.
 879                 //else if (arg == "-nw") {
 880                 //      gui = false;
 881                 //}
 882
 883                 // Check for "-x": Execute commands
 884                 else if (arg == "-x" || arg == "--execute") {
 885                         if (i + 1 < *argc) {
 886                                 batch_command = string(argv[i + 1]);
 887                                 removeargs = 2;
 888                         }
 889                         else
 890                                 lyxerr << _("Missing command string after  -x switch!") << endl;
 891
 892                         // Argh. Setting gui to false segfaults..
 893                         // FIXME: when ? how ?
 894                         // gui = false;
 895                 }
 896
 897                 else if (arg == "-e" || arg == "--export") {
 898                         if (i + 1 < *argc) {
 899                                 string type(argv[i+1]);
 900                                 removeargs = 2;
 901                                 batch_command = "buffer-export " + type;
 902                                 gui = false;
 903                         } else {
 904                                 lyxerr << _("Missing file type [eg latex, "
 905                                             "ps...] after ")
 906                                        << arg << _(" switch!") << endl;
 907                                 exit(1);
 908                         }
 909                 }
 910                 else if (arg == "-i" || arg == "--import") {
 911                         if (i + 1 < *argc) {
 912                                 if (!argv[i+2]) {
 913                                         lyxerr << _("Missing filename for --import") << endl;
 914                                         exit(1);
 915                                 }
 916
 917                                 string const file(argv[i+2]);
 918                                 string const type(argv[i+1]);
 919                                 removeargs = 3;
 920
 921                                 batch_command = "buffer-import " + type + " " + file;
 922                                 lyxerr << "batch_command: "
 923                                        << batch_command << endl;
 924
 925                         } else {
 926                                 lyxerr << _("Missing type [eg latex, "
 927                                             "ps...] after ")
 928                                        << arg << _(" switch!") << endl;
 929                                 exit(1);
 930                         }
 931                 }
 932
 933                 if (removeargs > 0) {
 934                         // Now, remove used arguments by shifting
 935                         // the following ones removeargs places down.
 936                         (*argc) -= removeargs;
 937                         for (int j = i; j < (*argc); ++j)
 938                                 argv[j] = argv[j + removeargs];
 939                         --i; // After shift, check this number again.
 940                         removeargs = 0;
 941                 }
 942
 943         }
 944
 945         return gui;
 946 }