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 "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::signal;
  55 #endif
  56
  57 extern void LoadLyXFile(string const &);
  58 extern void QuitLyX();
  59
  60 string system_lyxdir;
  61 string build_lyxdir;
  62 string system_tempdir;
  63 string user_lyxdir;     // Default $HOME/.lyx
  64
  65 // Should this be kept global? Asger says Yes.
  66 DebugStream lyxerr;
  67
  68 boost::scoped_ptr<LastFiles> lastfiles;
  69
  70 // This is the global bufferlist object
  71 BufferList bufferlist;
  72
  73 LyXServer * lyxserver = 0;
  74 // this should be static, but I need it in buffer.C
  75 bool finished = false;  // flag, that we are quitting the program
  76
  77 // convenient to have it here.
  78 boost::scoped_ptr<kb_keymap> toplevel_keymap;
  79
  80
  81 LyX::LyX(int * argc, char * argv[])
  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.reset(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()->verboseDispatch(batch_command, false);
 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 }
 184
 185
 186 extern "C" {
 187
 188 static
 189 void error_handler(int err_sig)
 190 {
 191         switch (err_sig) {
 192         case SIGHUP:
 193                 lyxerr << "\nlyx: SIGHUP signal caught" << endl;
 194                 break;
 195         case SIGINT:
 196                 // no comments
 197                 break;
 198         case SIGFPE:
 199                 lyxerr << "\nlyx: SIGFPE signal caught" << endl;
 200                 break;
 201         case SIGSEGV:
 202                 lyxerr << "\nlyx: SIGSEGV signal caught" << endl;
 203                 lyxerr <<
 204                         "Sorry, you have found a bug in LyX. "
 205                         "Please read the bug-reporting instructions "
 206                         "in Help->Introduction and send us a bug report, "
 207                         "if necessary. Thanks !" << endl;
 208                 break;
 209         case SIGTERM:
 210                 // no comments
 211                 break;
 212         }
 213
 214         // Deinstall the signal handlers
 215         signal(SIGHUP, SIG_DFL);
 216         signal(SIGINT, SIG_DFL);
 217         signal(SIGFPE, SIG_DFL);
 218         signal(SIGSEGV, SIG_DFL);
 219         signal(SIGTERM, SIG_DFL);
 220
 221         LyX::emergencyCleanup();
 222
 223         lyxerr << "Bye." << endl;
 224         if (err_sig!= SIGHUP &&
 225            (!GetEnv("LYXDEBUG").empty() || err_sig == SIGSEGV))
 226                 lyx::abort();
 227         exit(0);
 228 }
 229
 230 }
 231
 232
 233 void LyX::init(bool gui)
 234 {
 235         // Install the signal handlers
 236         signal(SIGHUP, error_handler);
 237         signal(SIGFPE, error_handler);
 238         signal(SIGSEGV, error_handler);
 239         signal(SIGINT, error_handler);
 240         signal(SIGTERM, error_handler);
 241
 242         //
 243         // Determine path of binary
 244         //
 245
 246         string binpath = os::binpath();
 247         string binname = os::binname();
 248         string fullbinname = MakeAbsPath(binname, binpath);
 249
 250         if (binpath.empty()) {
 251                 lyxerr << _("Warning: could not determine path of binary.")
 252                        << "\n"
 253                        << _("If you have problems, try starting LyX with an absolute path.")
 254                        << endl;
 255         }
 256         lyxerr[Debug::INIT] << "Name of binary: " << binname << endl;
 257         lyxerr[Debug::INIT] << "Path of binary: " << binpath << endl;
 258
 259         //
 260         // Determine system directory.
 261         //
 262
 263         // Directories are searched in this order:
 264         // 1) -sysdir command line parameter
 265         // 2) LYX_DIR_11x environment variable
 266         // 3) Maybe <path of binary>/TOP_SRCDIR/lib
 267         // 4) <path of binary>/../share/<name of binary>/
 268         // 4a) repeat 4 after following the Symlink if <path of
 269         //     binary> is a symbolic link.
 270         // 5) hardcoded lyx_dir
 271         // The directory is checked for the presence of the file
 272         // "chkconfig.ltx", and if that is present, the directory
 273         // is accepted as the system directory.
 274         // If no chkconfig.ltx file is found, a warning is given,
 275         // and the hardcoded lyx_dir is used.
 276
 277         // If we had a command line switch, system_lyxdir is already set
 278         string searchpath;
 279         if (!system_lyxdir.empty())
 280                 searchpath= MakeAbsPath(system_lyxdir) + ';';
 281
 282         // LYX_DIR_11x environment variable
 283         string const lyxdir = GetEnvPath("LYX_DIR_11x");
 284
 285         if (!lyxdir.empty()) {
 286                 lyxerr[Debug::INIT] << "LYX_DIR_11x: " << lyxdir << endl;
 287                 searchpath += lyxdir + ';';
 288         }
 289
 290         string fullbinpath = binpath;
 291         FileInfo file(fullbinname, true);
 292         if (file.isLink()) {
 293                 lyxerr[Debug::INIT] << "binary is a link" << endl;
 294                 string link;
 295                 if (LyXReadLink(fullbinname, link)) {
 296                         // Path of binary/../share/name of binary/
 297                         searchpath += NormalizePath(AddPath(binpath,
 298                                                             "../share/")
 299                                                     + OnlyFilename(binname));
 300                         searchpath += ';';
 301                         fullbinpath = link;
 302                         binpath = MakeAbsPath(OnlyPath(fullbinpath));
 303                 }
 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                         lyxerr << " directory " << fullbinpath
 317                                << " is a link" << endl;
 318                         string link;
 319                         if (LyXReadLink(fullbinpath, link)) {
 320                                 fullbinpath = link;
 321                                 binpath = MakeAbsPath(OnlyPath(fullbinpath));
 322                         }
 323                         else {
 324                                 followlink = false;
 325                         }
 326                 }
 327         } while (followlink);
 328
 329         // <path of binary>/TOP_SRCDIR/lib
 330         build_lyxdir = MakeAbsPath("../lib", binpath);
 331         if (!FileSearch(build_lyxdir, "lyxrc.defaults").empty()) {
 332                 searchpath += MakeAbsPath(AddPath(TOP_SRCDIR, "lib"),
 333                                           binpath) + ';';
 334                 lyxerr[Debug::INIT] << "Checking whether LyX is run in "
 335                         "place... yes" << endl;
 336         } else {
 337                 lyxerr[Debug::INIT]
 338                         << "Checking whether LyX is run in place... no"
 339                         << endl;
 340                 build_lyxdir.erase();
 341         }
 342
 343         // Hardcoded dir
 344         searchpath += LYX_DIR;
 345
 346         // If debugging, show complete search path
 347         lyxerr[Debug::INIT] << "System directory search path: "
 348                             << searchpath << endl;
 349
 350         string const filename = "chkconfig.ltx";
 351         string const temp = FileOpenSearch(searchpath, filename, string());
 352         system_lyxdir = OnlyPath(temp);
 353
 354         // Reduce "path/../path" stuff out of system directory
 355         system_lyxdir = NormalizePath(system_lyxdir);
 356
 357         bool path_shown = false;
 358
 359         // Warn if environment variable is set, but unusable
 360         if (!lyxdir.empty()) {
 361                 if (system_lyxdir != NormalizePath(lyxdir)) {
 362                         lyxerr <<_("LYX_DIR_11x environment variable no good.")
 363                                << '\n'
 364                                << _("System directory set to: ")
 365                                << system_lyxdir << endl;
 366                         path_shown = true;
 367                 }
 368         }
 369
 370         // Warn the user if we couldn't find "chkconfig.ltx"
 371         if (system_lyxdir == "./") {
 372                 lyxerr <<_("LyX Warning! Couldn't determine system directory. ")
 373                        <<_("Try the '-sysdir' command line parameter or ")
 374                        <<_("set the environment variable LYX_DIR_11x to the "
 375                            "LyX system directory ")
 376                        << _("containing the file `chkconfig.ltx'.") << endl;
 377                 if (!path_shown) {
 378                         FileInfo fi(LYX_DIR);
 379                         if (!fi.exist()) {
 380                                 lyxerr << "Couldn't even find the default LYX_DIR." << endl
 381                                         << "Giving up." << endl;
 382                                 exit(1);
 383                         }
 384                         lyxerr << _("Using built-in default ")
 385                                << LYX_DIR << _(" but expect problems.")
 386                                << endl;
 387                 } else {
 388                         lyxerr << _("Expect problems.") << endl;
 389                 }
 390                 system_lyxdir = LYX_DIR;
 391                 path_shown = true;
 392         }
 393         // Report the system directory if debugging is on
 394         if (!path_shown)
 395                 lyxerr[Debug::INIT] << "System directory: '"
 396                                     << system_lyxdir << '\'' << endl;
 397
 398         //
 399         // Determine user lyx-dir
 400         //
 401
 402         // Directories are searched in this order:
 403         // 1) -userdir command line parameter
 404         // 2) LYX_USERDIR_11x environment variable
 405         // 3) $HOME/.<name of binary>
 406
 407         // If we had a command line switch, user_lyxdir is already set
 408         bool explicit_userdir = true;
 409         if (user_lyxdir.empty()) {
 410
 411                 // LYX_USERDIR_11x environment variable
 412                 user_lyxdir = GetEnvPath("LYX_USERDIR_11x");
 413
 414                 // default behaviour
 415                 if (user_lyxdir.empty())
 416                         user_lyxdir = AddPath(GetEnvPath("HOME"),
 417                                                         string(".") + PACKAGE);
 418                         explicit_userdir = false;
 419         }
 420
 421         lyxerr[Debug::INIT] << "User LyX directory: '"
 422                             <<  user_lyxdir << '\'' << endl;
 423
 424         // Check that user LyX directory is ok. We don't do that if
 425         // running in batch mode.
 426         if (gui) {
 427                 queryUserLyXDir(explicit_userdir);
 428         } else {
 429                 first_start = false;
 430         }
 431
 432         //
 433         // Shine up lyxrc defaults
 434         //
 435
 436         // Default template path: system_dir/templates
 437         if (lyxrc.template_path.empty()) {
 438                 lyxrc.template_path = AddPath(system_lyxdir, "templates");
 439         }
 440
 441         // Default lastfiles file: $HOME/.lyx/lastfiles
 442         if (lyxrc.lastfiles.empty()) {
 443                 lyxrc.lastfiles = AddName(user_lyxdir, "lastfiles");
 444         }
 445
 446         // Disable gui when either lyxrc or easyparse says so
 447         if (!gui)
 448                 lyxrc.use_gui = false;
 449
 450         // Calculate screen dpi as average of x-DPI and y-DPI:
 451         if (lyxrc.use_gui) {
 452                 lyxrc.dpi = GUIRunTime::getScreenDPI();
 453                 lyxerr[Debug::INIT] << "DPI setting detected to be "
 454                                                 << lyxrc.dpi + 0.5 << endl;
 455         } else {
 456                 lyxrc.dpi = 1; // I hope this is safe
 457         }
 458
 459         //
 460         // Read configuration files
 461         //
 462
 463         readRcFile("lyxrc.defaults");
 464         system_lyxrc = lyxrc;
 465         system_formats = formats;
 466         system_converters = converters;
 467         system_lcolor = lcolor;
 468
 469         // If there is a preferences file we read that instead
 470         // of the old lyxrc file.
 471         if (!readRcFile("preferences"))
 472             readRcFile("lyxrc");
 473
 474         // Read encodings
 475         readEncodingsFile("encodings");
 476         // Read languages
 477         readLanguagesFile("languages");
 478
 479         // Load the layouts
 480         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 481         LyXSetStyle();
 482
 483         // Ensure that we have really read a bind file, so that LyX is
 484         // usable.
 485         lyxrc.readBindFileIfNeeded();
 486
 487         // Read menus
 488         readUIFile(lyxrc.ui_file);
 489
 490         // Bind the X dead keys to the corresponding LyX functions if
 491         // necessary.
 492         if (lyxrc.override_x_deadkeys)
 493                 deadKeyBindings(toplevel_keymap.get());
 494
 495         if (lyxerr.debugging(Debug::LYXRC)) {
 496                 lyxrc.print();
 497         }
 498
 499         // Create temp directory
 500         os::setTmpDir(CreateLyXTmpDir(lyxrc.tempdir_path));
 501         system_tempdir = os::getTmpDir();
 502         if (lyxerr.debugging(Debug::INIT)) {
 503                 lyxerr << "LyX tmp dir: `" << system_tempdir << '\'' << endl;
 504         }
 505
 506         // load the lastfiles mini-database
 507         lyxerr[Debug::INIT] << "Reading lastfiles `"
 508                             << lyxrc.lastfiles << "'..." << endl;
 509         lastfiles.reset(new LastFiles(lyxrc.lastfiles,
 510                                       lyxrc.check_lastfiles,
 511                                       lyxrc.num_lastfiles));
 512
 513         // start up the lyxserver. (is this a bit early?) (Lgb)
 514         // 0.12 this will be way to early, we need the GUI to be initialized
 515         // first, so move it for now.
 516         // lyxserver = new LyXServer;
 517 }
 518
 519
 520 // These are the default bindings known to LyX
 521 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 522 {
 523         kbmap->bind("Right", LFUN_RIGHT);
 524         kbmap->bind("Left", LFUN_LEFT);
 525         kbmap->bind("Up", LFUN_UP);
 526         kbmap->bind("Down", LFUN_DOWN);
 527
 528         kbmap->bind("Tab", LFUN_TAB);
 529         kbmap->bind("ISO_Left_Tab", LFUN_TAB); // jbl 2001-23-02
 530
 531         kbmap->bind("Home", LFUN_HOME);
 532         kbmap->bind("End", LFUN_END);
 533         kbmap->bind("Prior", LFUN_PRIOR);
 534         kbmap->bind("Next", LFUN_NEXT);
 535
 536         kbmap->bind("Return", LFUN_BREAKPARAGRAPH);
 537         //kbmap->bind("~C-~S-~M-nobreakspace", LFUN_PROTECTEDSPACE);
 538
 539         kbmap->bind("Delete", LFUN_DELETE);
 540         kbmap->bind("BackSpace", LFUN_BACKSPACE);
 541
 542         // sub- and superscript -MV
 543         kbmap->bind("~S-underscore", LFUN_SUBSCRIPT);
 544         kbmap->bind("~S-asciicircum", LFUN_SUPERSCRIPT);
 545
 546         // kbmap->bindings to enable the use of the numeric keypad
 547         // e.g. Num Lock set
 548         //kbmap->bind("KP_0", LFUN_SELFINSERT);
 549         //kbmap->bind("KP_Decimal", LFUN_SELFINSERT);
 550         kbmap->bind("KP_Enter", LFUN_BREAKPARAGRAPH);
 551         //kbmap->bind("KP_1", LFUN_SELFINSERT);
 552         //kbmap->bind("KP_2", LFUN_SELFINSERT);
 553         //kbmap->bind("KP_3", LFUN_SELFINSERT);
 554         //kbmap->bind("KP_4", LFUN_SELFINSERT);
 555         //kbmap->bind("KP_5", LFUN_SELFINSERT);
 556         //kbmap->bind("KP_6", LFUN_SELFINSERT);
 557         //kbmap->bind("KP_Add", LFUN_SELFINSERT);
 558         //kbmap->bind("KP_7", LFUN_SELFINSERT);
 559         //kbmap->bind("KP_8", LFUN_SELFINSERT);
 560         //kbmap->bind("KP_9", LFUN_SELFINSERT);
 561         //kbmap->bind("KP_Divide", LFUN_SELFINSERT);
 562         //kbmap->bind("KP_Multiply", LFUN_SELFINSERT);
 563         //kbmap->bind("KP_Subtract", LFUN_SELFINSERT);
 564         kbmap->bind("KP_Right", LFUN_RIGHT);
 565         kbmap->bind("KP_Left", LFUN_LEFT);
 566         kbmap->bind("KP_Up", LFUN_UP);
 567         kbmap->bind("KP_Down", LFUN_DOWN);
 568         kbmap->bind("KP_Home", LFUN_HOME);
 569         kbmap->bind("KP_End", LFUN_END);
 570         kbmap->bind("KP_Prior", LFUN_PRIOR);
 571         kbmap->bind("KP_Next", LFUN_NEXT);
 572
 573         kbmap->bind("C-Tab", LFUN_TABINSERT);  // ale970515
 574         kbmap->bind("S-Tab", LFUN_SHIFT_TAB);  // jug20000522
 575         kbmap->bind("S-ISO_Left_Tab", LFUN_SHIFT_TAB); // jbl 2001-23-02
 576 }
 577
 578
 579 void LyX::emergencyCleanup()
 580 {
 581         // what to do about tmpfiles is non-obvious. we would
 582         // like to delete any we find, but our lyxdir might
 583         // contain documents etc. which might be helpful on
 584         // a crash
 585
 586         bufferlist.emergencyWriteAll();
 587         if (lyxserver)
 588                 lyxserver->emergencyCleanup();
 589 }
 590
 591
 592 // LyX can optionally take over the handling of deadkeys
 593 void LyX::deadKeyBindings(kb_keymap * kbmap)
 594 {
 595         // bindKeyings for transparent handling of deadkeys
 596         // The keysyms are gotten from XFree86 X11R6
 597         kbmap->bind("~C-~S-~M-dead_acute", LFUN_ACUTE);
 598         kbmap->bind("~C-~S-~M-dead_breve", LFUN_BREVE);
 599         kbmap->bind("~C-~S-~M-dead_caron", LFUN_CARON);
 600         kbmap->bind("~C-~S-~M-dead_cedilla", LFUN_CEDILLA);
 601         kbmap->bind("~C-~S-~M-dead_abovering", LFUN_CIRCLE);
 602         kbmap->bind("~C-~S-~M-dead_circumflex", LFUN_CIRCUMFLEX);
 603         kbmap->bind("~C-~S-~M-dead_abovedot", LFUN_DOT);
 604         kbmap->bind("~C-~S-~M-dead_grave", LFUN_GRAVE);
 605         kbmap->bind("~C-~S-~M-dead_doubleacute", LFUN_HUNG_UMLAUT);
 606         kbmap->bind("~C-~S-~M-dead_macron", LFUN_MACRON);
 607         // nothing with this name
 608         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_SPECIAL_CARON);
 609         kbmap->bind("~C-~S-~M-dead_tilde", LFUN_TILDE);
 610         kbmap->bind("~C-~S-~M-dead_diaeresis", LFUN_UMLAUT);
 611         // nothing with this name either...
 612         //kbmap->bind("~C-~S-~M-dead_underbar", LFUN_UNDERBAR);
 613         kbmap->bind("~C-~S-~M-dead_belowdot", LFUN_UNDERDOT);
 614         kbmap->bind("~C-~S-~M-dead_tie", LFUN_TIE);
 615         kbmap->bind("~C-~S-~M-dead_ogonek", LFUN_OGONEK);
 616 }
 617
 618
 619 // This one is not allowed to use anything on the main form, since that
 620 // one does not exist yet. (Asger)
 621 void LyX::queryUserLyXDir(bool explicit_userdir)
 622 {
 623         // Does user directory exist?
 624         FileInfo fileInfo(user_lyxdir);
 625         if (fileInfo.isOK() && fileInfo.isDir()) {
 626                 first_start = false;
 627                 return;
 628         } else {
 629                 first_start = !explicit_userdir;
 630         }
 631
 632         // If the user specified explicitely a directory, ask whether
 633         // to create it (otherwise, always create it)
 634         if (explicit_userdir &&
 635             !Alert::askQuestion(_("You have specified an invalid LyX directory."),
 636                          _("It is needed to keep your own configuration."),
 637                          _("Should I try to set it up for you (recommended)?"))) {
 638                 lyxerr << _("Running without personal LyX directory.") << endl;
 639                 // No, let's use $HOME instead.
 640                 user_lyxdir = GetEnvPath("HOME");
 641                 return;
 642         }
 643
 644         // Tell the user what is going on
 645         lyxerr << _("LyX: Creating directory ") << user_lyxdir
 646                << _(" and running configure...") << endl;
 647
 648         // Create directory structure
 649         if (!createDirectory(user_lyxdir, 0755)) {
 650                 // Failed, let's use $HOME instead.
 651                 user_lyxdir = GetEnvPath("HOME");
 652                 lyxerr << _("Failed. Will use ") << user_lyxdir
 653                        << _(" instead.") << endl;
 654                 return;
 655         }
 656
 657         // Run configure in user lyx directory
 658         Path p(user_lyxdir);
 659         ::system(AddName(system_lyxdir, "configure").c_str());
 660         lyxerr << "LyX: " << _("Done!") << endl;
 661 }
 662
 663
 664 // Read the rc file `name'
 665 bool LyX::readRcFile(string const & name)
 666 {
 667         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 668
 669         string const lyxrc_path = LibFileSearch(string(), name);
 670         if (!lyxrc_path.empty()) {
 671                 lyxerr[Debug::INIT] << "Found " << name
 672                                     << " in " << lyxrc_path << endl;
 673                 if (lyxrc.read(lyxrc_path) < 0) {
 674                         Alert::alert(_("LyX Warning!"),
 675                                    _("Error while reading ") + lyxrc_path + ".",
 676                                    _("Using built-in defaults."));
 677                         return false;
 678                 }
 679                 return true;
 680         } else {
 681                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 682         }
 683
 684         return false;
 685 }
 686
 687
 688 // Read the ui file `name'
 689 void LyX::readUIFile(string const & name)
 690 {
 691         enum Uitags {
 692                 ui_menuset = 1,
 693                 ui_toolbar,
 694                 ui_last
 695         };
 696
 697         struct keyword_item uitags[ui_last-1] = {
 698                 { "menuset", ui_menuset },
 699                 { "toolbar", ui_toolbar }
 700         };
 701
 702         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 703
 704         string const ui_path = LibFileSearch("ui", name, "ui");
 705
 706         if (ui_path.empty()) {
 707                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 708                 menubackend.defaults();
 709                 return;
 710         }
 711
 712         lyxerr[Debug::INIT] << "Found " << name
 713                             << " in " << ui_path << endl;
 714         LyXLex lex(uitags, ui_last - 1);
 715         lex.setFile(ui_path);
 716         if (!lex.isOK()) {
 717                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 718                        << endl;
 719         }
 720
 721         if (lyxerr.debugging(Debug::PARSER))
 722                 lex.printTable(lyxerr);
 723
 724         while (lex.isOK()) {
 725                 switch (lex.lex()) {
 726                 case ui_menuset:
 727                         menubackend.read(lex);
 728                         break;
 729
 730                 case ui_toolbar:
 731                         toolbardefaults.read(lex);
 732                         break;
 733
 734                 default:
 735                         if (!strip(lex.getString()).empty())
 736                                 lex.printError("LyX::ReadUIFile: "
 737                                                "Unknown menu tag: `$$Token'");
 738                         break;
 739                 }
 740         }
 741 }
 742
 743
 744 // Read the languages file `name'
 745 void LyX::readLanguagesFile(string const & name)
 746 {
 747         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 748
 749         string const lang_path = LibFileSearch(string(), name);
 750         if (lang_path.empty()) {
 751                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 752                 languages.setDefaults();
 753                 return;
 754         }
 755         languages.read(lang_path);
 756 }
 757
 758
 759 // Read the encodings file `name'
 760 void LyX::readEncodingsFile(string const & name)
 761 {
 762         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 763
 764         string const enc_path = LibFileSearch(string(), name);
 765         if (enc_path.empty()) {
 766                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 767                 return;
 768         }
 769         encodings.read(enc_path);
 770 }
 771
 772
 773 namespace {
 774
 775 // Set debugging level and report result to user
 776 void setDebuggingLevel(string const & dbgLevel)
 777 {
 778         lyxerr << _("Setting debug level to ") <<  dbgLevel << endl;
 779         lyxerr.level(Debug::value(dbgLevel));
 780         Debug::showLevel(lyxerr, lyxerr.level());
 781 }
 782
 783
 784 // Give command line help
 785 void commandLineHelp()
 786 {
 787         lyxerr <<
 788                 _("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 789                   "Command line switches (case sensitive):\n"
 790                   "\t-help              summarize LyX usage\n"
 791                   "\t-userdir dir       try to set user directory to dir\n"
 792                   "\t-sysdir dir        try to set system directory to dir\n"
 793                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 794                   "\t-dbg feature[,feature]...\n"
 795                   "                  select the features to debug.\n"
 796                   "                  Type `lyx -dbg' to see the list of features\n"
 797                   "\t-x [--execute] command\n"
 798                   "                  where command is a lyx command.\n"
 799                   "\t-e [--export] fmt\n"
 800                   "                  where fmt is the export format of choice.\n"
 801                   "\t-i [--import] fmt file.xxx\n"
 802                   "                  where fmt is the import format of choice\n"
 803                   "                  and file.xxx is the file to be imported.\n"
 804                   "\t-version        summarize version and build info\n"
 805                   "Check the LyX man page for more details.") << endl;
 806 }
 807
 808 // Give command line version information
 809 void commandLineVersionInfo()
 810 {
 811         lyxerr << "LyX " << lyx_version
 812                << " of " << lyx_release_date << endl;
 813         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 814
 815         lyxerr << lyx_version_info << endl;
 816 }
 817
 818
 819 } // namespace anon
 820
 821
 822 bool LyX::easyParse(int * argc, char * argv[])
 823 {
 824         bool gui = true;
 825         int removeargs = 0; // used when options are read
 826         for (int i = 1; i < *argc; ++i) {
 827                 string arg = argv[i];
 828
 829                 // Check for -dbg int
 830                 if (arg == "-dbg") {
 831                         if (i + 1 < *argc) {
 832                                 setDebuggingLevel(argv[i + 1]);
 833                                 removeargs = 2;
 834                         } else {
 835                                 lyxerr << _("List of supported debug flags:")
 836                                        << endl;
 837                                 Debug::showTags(lyxerr);
 838                                 exit(0);
 839                         }
 840                 }
 841                 // Check for "-sysdir"
 842                 else if (arg == "-sysdir") {
 843                         if (i + 1 < *argc) {
 844                                 system_lyxdir = argv[i + 1];
 845                                 removeargs = 2;
 846                         } else {
 847                                 lyxerr << _("Missing directory for -sysdir switch!")
 848                                        << endl;
 849                                 exit(0);
 850                         }
 851                 }
 852                 // Check for "-userdir"
 853                 else if (arg == "-userdir") {
 854                         if (i + 1 < *argc) {
 855                                 user_lyxdir = argv[i + 1];
 856                                 removeargs = 2;
 857                         } else {
 858                                 lyxerr << _("Missing directory for -userdir switch!")
 859                                        << endl;
 860                                 exit(0);
 861                         }
 862                 }
 863                 // Check for --help or -help
 864                 else if (arg == "--help" || arg == "-help") {
 865                         commandLineHelp();
 866                         exit(0);
 867                 }
 868                 // Check for --version or -version
 869                 else if (arg == "--version" || arg == "-version") {
 870                         commandLineVersionInfo();
 871                         exit(0);
 872                 }
 873                 // Check for "-nw": No XWindows as for emacs this should
 874                 // give a LyX that could be used in a terminal window.
 875                 //else if (arg == "-nw") {
 876                 //      gui = false;
 877                 //}
 878
 879                 // Check for "-x": Execute commands
 880                 else if (arg == "-x" || arg == "--execute") {
 881                         if (i + 1 < *argc) {
 882                                 batch_command = string(argv[i + 1]);
 883                                 removeargs = 2;
 884                         }
 885                         else
 886                                 lyxerr << _("Missing command string after  -x switch!") << endl;
 887
 888                         // Argh. Setting gui to false segfaults..
 889                         //gui = false;
 890                 }
 891
 892                 else if (arg == "-e" || arg == "--export") {
 893                         if (i + 1 < *argc) {
 894                                 string type(argv[i+1]);
 895                                 removeargs = 2;
 896                                 batch_command = "buffer-export " + type;
 897                                 gui = false;
 898                         } else
 899                                 lyxerr << _("Missing file type [eg latex, "
 900                                             "ps...] after ")
 901                                        << arg << _(" switch!") << endl;
 902                 }
 903                 else if (arg == "-i" || arg == "--import") {
 904                         if (i + 1 < *argc) {
 905                                 string const type(argv[i+1]);
 906                                 string const file(argv[i+2]);
 907                                 removeargs = 3;
 908
 909                                 batch_command = "buffer-import " + type + " " + file;
 910                                 lyxerr << "batch_command: "
 911                                        << batch_command << endl;
 912
 913                         } else
 914                                 lyxerr << _("Missing type [eg latex, "
 915                                             "ps...] after ")
 916                                        << arg << _(" switch!") << endl;
 917                 }
 918
 919                 if (removeargs > 0) {
 920                         // Now, remove used arguments by shifting
 921                         // the following ones removeargs places down.
 922                         (*argc) -= removeargs;
 923                         for (int j = i; j < (*argc); ++j)
 924                                 argv[j] = argv[j + removeargs];
 925                         --i; // After shift, check this number again.
 926                         removeargs = 0;
 927                 }
 928
 929         }
 930
 931         return gui;
 932 }