src/lyx_main.C

   1 /**
   2  * \file lyx_main.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  * \author John Levon
  10  * \author André Pönitz
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16 #include <version.h>
  17
  18 #include "lyx_main.h"
  19
  20 #include "buffer.h"
  21 #include "buffer_funcs.h"
  22 #include "bufferlist.h"
  23 #include "converter.h"
  24 #include "debug.h"
  25 #include "encoding.h"
  26 #include "errorlist.h"
  27 #include "format.h"
  28 #include "gettext.h"
  29 #include "kbmap.h"
  30 #include "language.h"
  31 #include "session.h"
  32 #include "LColor.h"
  33 #include "lyx_cb.h"
  34 #include "lyxfunc.h"
  35 #include "lyxlex.h"
  36 #include "lyxrc.h"
  37 #include "lyxserver.h"
  38 #include "lyxtextclasslist.h"
  39 #include "MenuBackend.h"
  40 #include "mover.h"
  41 #include "ToolbarBackend.h"
  42
  43 #include "frontends/Alert.h"
  44 #include "frontends/Application.h"
  45 #include "frontends/LyXView.h"
  46
  47 #include "support/environment.h"
  48 #include "support/filetools.h"
  49 #include "support/fontutils.h"
  50 #include "support/lyxlib.h"
  51 #include "support/convert.h"
  52 #include "support/os.h"
  53 #include "support/package.h"
  54 #include "support/path.h"
  55 #include "support/systemcall.h"
  56
  57 #include <boost/bind.hpp>
  58 #include <boost/filesystem/operations.hpp>
  59
  60 #include <iostream>
  61 #include <csignal>
  62
  63 using lyx::support::addName;
  64 using lyx::support::addPath;
  65 using lyx::support::bformat;
  66 using lyx::support::createDirectory;
  67 using lyx::support::createLyXTmpDir;
  68 using lyx::support::fileSearch;
  69 using lyx::support::getEnv;
  70 using lyx::support::i18nLibFileSearch;
  71 using lyx::support::libFileSearch;
  72 using lyx::support::package;
  73 using lyx::support::prependEnvPath;
  74 using lyx::support::rtrim;
  75 using lyx::support::Systemcall;
  76
  77 using lyx::docstring;
  78
  79 namespace Alert = lyx::frontend::Alert;
  80 namespace os = lyx::support::os;
  81 namespace fs = boost::filesystem;
  82
  83 using std::endl;
  84 using std::string;
  85 using std::vector;
  86 using std::for_each;
  87
  88 #ifndef CXX_GLOBAL_CSTD
  89 using std::exit;
  90 using std::signal;
  91 using std::system;
  92 #endif
  93
  94
  95 /// convenient to have it here.
  96 boost::scoped_ptr<kb_keymap> toplevel_keymap;
  97
  98 ///
  99 lyx::frontend::Application * theApp;
 100
 101 namespace lyx {
 102
 103 /// are we using the GUI at all?
 104 /**
 105 * We default to true and this is changed to false when the export feature is used.
 106 */
 107 bool use_gui = true;
 108
 109 }
 110
 111 namespace {
 112
 113 // Filled with the command line arguments "foo" of "-sysdir foo" or
 114 // "-userdir foo".
 115 string cl_system_support;
 116 string cl_user_support;
 117
 118
 119 void lyx_exit(int status)
 120 {
 121         // FIXME: We should not directly call exit(), since it only
 122         // guarantees a return to the system, no application cleanup.
 123         // This may cause troubles with not executed destructors.
 124         if (lyx::use_gui) {
 125                 theApp->exit(status);
 126                 // Restore original font resources after Application is destroyed.
 127                 lyx::support::restoreFontResources();
 128         }
 129
 130         exit(status);
 131 }
 132
 133
 134 void showFileError(string const & error)
 135 {
 136         Alert::warning(_("Could not read configuration file"),
 137                        bformat(_("Error while reading the configuration file\n%1$s.\n"
 138                            "Please check your installation."), lyx::from_utf8(error)));
 139 }
 140
 141
 142 void reconfigureUserLyXDir()
 143 {
 144         string const configure_command = package().configure_command();
 145
 146         lyxerr << lyx::to_utf8(_("LyX: reconfiguring user directory")) << endl;
 147         lyx::support::Path p(package().user_support());
 148         Systemcall one;
 149         one.startscript(Systemcall::Wait, configure_command);
 150         lyxerr << "LyX: " << lyx::to_utf8(_("Done!")) << endl;
 151 }
 152
 153 } // namespace anon
 154
 155
 156 boost::scoped_ptr<LyX> LyX::singleton_;
 157
 158 int LyX::exec(int & argc, char * argv[])
 159 {
 160         BOOST_ASSERT(!singleton_.get());
 161         // We must return from this before launching the gui so that
 162         // other parts of the code can access singleton_ through
 163         // LyX::ref and LyX::cref.
 164         singleton_.reset(new LyX);
 165         // Start the real execution loop.
 166         return singleton_->priv_exec(argc, argv);
 167 }
 168
 169
 170 LyX & LyX::ref()
 171 {
 172         BOOST_ASSERT(singleton_.get());
 173         return *singleton_.get();
 174 }
 175
 176
 177 LyX const & LyX::cref()
 178 {
 179         BOOST_ASSERT(singleton_.get());
 180         return *singleton_.get();
 181 }
 182
 183
 184 BufferList & theBufferList()
 185 {
 186         return LyX::ref().bufferList();
 187 }
 188
 189
 190 LyX::LyX()
 191         : first_start(false), geometryOption_(false)
 192 {
 193         buffer_list_.reset(new BufferList);
 194 }
 195
 196
 197 BufferList & LyX::bufferList()
 198 {
 199         return *buffer_list_.get();
 200 }
 201
 202
 203 BufferList const & LyX::bufferList() const
 204 {
 205         return *buffer_list_.get();
 206 }
 207
 208
 209 lyx::Session & LyX::session()
 210 {
 211         BOOST_ASSERT(session_.get());
 212         return *session_.get();
 213 }
 214
 215
 216 lyx::Session const & LyX::session() const
 217 {
 218         BOOST_ASSERT(session_.get());
 219         return *session_.get();
 220 }
 221
 222
 223 void LyX::addLyXView(LyXView * lyxview)
 224 {
 225         views_.push_back(lyxview);
 226 }
 227
 228
 229 Buffer const * const LyX::updateInset(InsetBase const * inset) const
 230 {
 231         if (!inset)
 232                 return 0;
 233
 234         Buffer const * buffer_ptr = 0;
 235         ViewList::const_iterator it = views_.begin();
 236         ViewList::const_iterator const end = views_.end();
 237         for (; it != end; ++it) {
 238                 Buffer const * ptr = (*it)->updateInset(inset);
 239                 if (ptr)
 240                         buffer_ptr = ptr;
 241         }
 242         return buffer_ptr;
 243 }
 244
 245
 246 int LyX::priv_exec(int & argc, char * argv[])
 247 {
 248         // Here we need to parse the command line. At least
 249         // we need to parse for "-dbg" and "-help"
 250         easyParse(argc, argv);
 251
 252         lyx::support::init_package(argv[0], cl_system_support, cl_user_support,
 253                                    lyx::support::top_build_dir_is_one_level_up);
 254
 255         // Start the real execution loop.
 256         if (lyx::use_gui) {
 257                 // Force adding of font path _before_ Application is initialized
 258                 lyx::support::addFontResources();
 259                 application_.reset(lyx::createApplication(argc, argv));
 260                 theApp = application_.get();
 261         }
 262         else {
 263                 // FIXME: create a ConsoleApplication
 264                 theApp = 0;
 265         }
 266
 267         int exit_status = exec2(argc, argv);
 268
 269         if (lyx::use_gui)
 270                 application_.reset();
 271
 272         return exit_status;
 273 }
 274
 275
 276 int LyX::exec2(int & argc, char * argv[])
 277 {
 278         // check for any spurious extra arguments
 279         // other than documents
 280         for (int argi = 1; argi < argc ; ++argi) {
 281                 if (argv[argi][0] == '-') {
 282                         lyxerr << lyx::to_utf8(
 283                                 bformat(_("Wrong command line option `%1$s'. Exiting."),
 284                                 lyx::from_utf8(argv[argi]))) << endl;
 285                         return EXIT_FAILURE;
 286                 }
 287         }
 288
 289         // Initialization of LyX (reads lyxrc and more)
 290         lyxerr[Debug::INIT] << "Initializing LyX::init..." << endl;
 291         bool const success = init();
 292         lyxerr[Debug::INIT] << "Initializing LyX::init...done" << endl;
 293         if (!success)
 294                 return EXIT_FAILURE;
 295
 296         vector<string> files;
 297
 298         for (int argi = argc - 1; argi >= 1; --argi)
 299                 files.push_back(os::internal_path(argv[argi]));
 300
 301         if (first_start)
 302                 files.push_back(i18nLibFileSearch("examples", "splash.lyx"));
 303
 304         // Execute batch commands if available
 305         if (!batch_command.empty()) {
 306
 307                 lyxerr[Debug::INIT] << "About to handle -x '"
 308                        << batch_command << '\'' << endl;
 309
 310                 Buffer * last_loaded = 0;
 311
 312                 vector<string>::const_iterator it = files.begin();
 313                 vector<string>::const_iterator end = files.end();
 314
 315                 for (; it != end; ++it) {
 316                         // get absolute path of file and add ".lyx" to
 317                         // the filename if necessary
 318                         string s = fileSearch(string(), *it, "lyx");
 319                         if (s.empty()) {
 320                                 Buffer * const b = newFile(*it, string(), true);
 321                                 if (b)
 322                                         last_loaded = b;
 323                         } else {
 324                                 Buffer * buf = theBufferList().newBuffer(s, false);
 325                                 if (loadLyXFile(buf, s)) {
 326                                         last_loaded = buf;
 327                                         ErrorList const & el = buf->errorList("Parse");
 328                                         if (!el.empty())
 329                                                 for_each(el.begin(), el.end(),
 330                                                         boost::bind(&LyX::printError, this, _1));
 331                                 }
 332                                 else
 333                                         theBufferList().release(buf);
 334                         }
 335                 }
 336
 337                 // try to dispatch to last loaded buffer first
 338                 if (last_loaded) {
 339                         bool success = false;
 340                         if (last_loaded->dispatch(batch_command, &success)) {
 341                                 quitLyX(false);
 342                                 return !success;
 343                         }
 344                 }
 345                 files.clear(); // the files are already loaded
 346         }
 347
 348         if (lyx::use_gui) {
 349                 // determine windows size and position, from lyxrc and/or session
 350                 // initial geometry
 351                 unsigned int width = 690;
 352                 unsigned int height = 510;
 353                 bool maximize = false;
 354                 // first try lyxrc
 355                 if (lyxrc.geometry_width != 0 && lyxrc.geometry_height != 0 ) {
 356                         width = lyxrc.geometry_width;
 357                         height = lyxrc.geometry_height;
 358                 }
 359                 // if lyxrc returns (0,0), then use session info
 360                 else {
 361                         string val = session().loadSessionInfo("WindowWidth");
 362                         if (!val.empty())
 363                                 width = convert<unsigned int>(val);
 364                         val = session().loadSessionInfo("WindowHeight");
 365                         if (!val.empty())
 366                                 height = convert<unsigned int>(val);
 367                         if (session().loadSessionInfo("WindowIsMaximized") == "yes")
 368                                 maximize = true;
 369                 }
 370                 // if user wants to restore window position
 371                 int posx = -1;
 372                 int posy = -1;
 373                 if (lyxrc.geometry_xysaved) {
 374                         string val = session().loadSessionInfo("WindowPosX");
 375                         if (!val.empty())
 376                                 posx = convert<int>(val);
 377                         val = session().loadSessionInfo("WindowPosY");
 378                         if (!val.empty())
 379                                 posy = convert<int>(val);
 380                 }
 381
 382                 if (geometryOption_) {
 383                         width = 0;
 384                         height = 0;
 385                 }
 386                 // create the main window
 387                 LyXView * view = &application_->createView(width, height, posx, posy, maximize);
 388                 ref().addLyXView(view);
 389
 390                 // load files
 391                 for_each(files.begin(), files.end(),
 392                         bind(&LyXView::loadLyXFile, view, _1, true));
 393
 394                 // if a file is specified, I assume that user wants to edit *that* file
 395                 if (files.empty() && lyxrc.load_session) {
 396                         vector<string> const & lastopened = session_->lastOpenedFiles();
 397                         // do not add to the lastfile list since these files are restored from
 398                         // last seesion, and should be already there (regular files), or should
 399                         // not be added at all (help files).
 400                         for_each(lastopened.begin(), lastopened.end(),
 401                                 bind(&LyXView::loadLyXFile, view, _1, false));
 402                 }
 403                 // clear this list to save a few bytes of RAM
 404                 session_->clearLastOpenedFiles();
 405
 406                 return application_->start(batch_command);
 407         } else {
 408                 // Something went wrong above
 409                 quitLyX(false);
 410                 return EXIT_FAILURE;
 411         }
 412 }
 413
 414
 415 /*
 416 Signals and Windows
 417 ===================
 418 The SIGHUP signal does not exist on Windows and does not need to be handled.
 419
 420 Windows handles SIGFPE and SIGSEGV signals as expected.
 421
 422 Cntl+C interrupts (mapped to SIGINT by Windows' POSIX compatability layer)
 423 cause a new thread to be spawned. This may well result in unexpected
 424 behaviour by the single-threaded LyX.
 425
 426 SIGTERM signals will come only from another process actually sending
 427 that signal using 'raise' in Windows' POSIX compatability layer. It will
 428 not come from the general "terminate process" methods that everyone
 429 actually uses (and which can't be trapped). Killing an app 'politely' on
 430 Windows involves first sending a WM_CLOSE message, something that is
 431 caught already by the Qt frontend.
 432
 433 For more information see:
 434
 435 http://aspn.activestate.com/ASPN/Mail/Message/ActiveTcl/2034055
 436 ...signals are mostly useless on Windows for a variety of reasons that are
 437 Windows specific...
 438
 439 'UNIX Application Migration Guide, Chapter 9'
 440 http://msdn.microsoft.com/library/en-us/dnucmg/html/UCMGch09.asp
 441
 442 'How To Terminate an Application "Cleanly" in Win32'
 443 http://support.microsoft.com/default.aspx?scid=kb;en-us;178893
 444 */
 445 extern "C" {
 446
 447 static void error_handler(int err_sig)
 448 {
 449         // Throw away any signals other than the first one received.
 450         static sig_atomic_t handling_error = false;
 451         if (handling_error)
 452                 return;
 453         handling_error = true;
 454
 455         // We have received a signal indicating a fatal error, so
 456         // try and save the data ASAP.
 457         LyX::cref().emergencyCleanup();
 458
 459         // These lyxerr calls may or may not work:
 460
 461         // Signals are asynchronous, so the main program may be in a very
 462         // fragile state when a signal is processed and thus while a signal
 463         // handler function executes.
 464         // In general, therefore, we should avoid performing any
 465         // I/O operations or calling most library and system functions from
 466         // signal handlers.
 467
 468         // This shouldn't matter here, however, as we've already invoked
 469         // emergencyCleanup.
 470         switch (err_sig) {
 471 #ifdef SIGHUP
 472         case SIGHUP:
 473                 lyxerr << "\nlyx: SIGHUP signal caught\nBye." << endl;
 474                 break;
 475 #endif
 476         case SIGFPE:
 477                 lyxerr << "\nlyx: SIGFPE signal caught\nBye." << endl;
 478                 break;
 479         case SIGSEGV:
 480                 lyxerr << "\nlyx: SIGSEGV signal caught\n"
 481                           "Sorry, you have found a bug in LyX. "
 482                           "Please read the bug-reporting instructions "
 483                           "in Help->Introduction and send us a bug report, "
 484                           "if necessary. Thanks !\nBye." << endl;
 485                 break;
 486         case SIGINT:
 487         case SIGTERM:
 488                 // no comments
 489                 break;
 490         }
 491
 492         // Deinstall the signal handlers
 493 #ifdef SIGHUP
 494         signal(SIGHUP, SIG_DFL);
 495 #endif
 496         signal(SIGINT, SIG_DFL);
 497         signal(SIGFPE, SIG_DFL);
 498         signal(SIGSEGV, SIG_DFL);
 499         signal(SIGTERM, SIG_DFL);
 500
 501 #ifdef SIGHUP
 502         if (err_sig == SIGSEGV ||
 503             (err_sig != SIGHUP && !getEnv("LYXDEBUG").empty()))
 504 #else
 505         if (err_sig == SIGSEGV || !getEnv("LYXDEBUG").empty())
 506 #endif
 507                 lyx::support::abort();
 508         exit(0);
 509 }
 510
 511 }
 512
 513
 514 void LyX::printError(ErrorItem const & ei)
 515 {
 516         docstring tmp = _("LyX: ") + ei.error + lyx::char_type(':')
 517                 + ei.description;
 518         std::cerr << lyx::to_utf8(tmp) << std::endl;
 519 }
 520
 521
 522 bool LyX::init()
 523 {
 524 #ifdef SIGHUP
 525         signal(SIGHUP, error_handler);
 526 #endif
 527         signal(SIGFPE, error_handler);
 528         signal(SIGSEGV, error_handler);
 529         signal(SIGINT, error_handler);
 530         signal(SIGTERM, error_handler);
 531         // SIGPIPE can be safely ignored.
 532
 533         lyxrc.tempdir_path = package().temp_dir();
 534         lyxrc.document_path = package().document_dir();
 535
 536         if (lyxrc.template_path.empty()) {
 537                 lyxrc.template_path = addPath(package().system_support(),
 538                                               "templates");
 539         }
 540
 541         if (lyxrc.roman_font_name.empty())
 542                 lyxrc.roman_font_name =
 543                         lyx::use_gui? application_->romanFontName(): "serif";
 544
 545         if (lyxrc.sans_font_name.empty())
 546                 lyxrc.sans_font_name =
 547                         lyx::use_gui? application_->sansFontName(): "sans";
 548
 549         if (lyxrc.typewriter_font_name.empty())
 550                 lyxrc.typewriter_font_name =
 551                         lyx::use_gui? application_->typewriterFontName(): "monospace";
 552
 553         //
 554         // Read configuration files
 555         //
 556
 557         // This one may have been distributed along with LyX.
 558         if (!readRcFile("lyxrc.dist"))
 559                 return false;
 560
 561         // Set the PATH correctly.
 562 #if !defined (USE_POSIX_PACKAGING)
 563         // Add the directory containing the LyX executable to the path
 564         // so that LyX can find things like tex2lyx.
 565         if (package().build_support().empty())
 566                 prependEnvPath("PATH", package().binary_dir());
 567 #endif
 568         if (!lyxrc.path_prefix.empty())
 569                 prependEnvPath("PATH", lyxrc.path_prefix);
 570
 571         // Check that user LyX directory is ok.
 572         if (queryUserLyXDir(package().explicit_user_support()))
 573                 reconfigureUserLyXDir();
 574
 575         // no need for a splash when there is no GUI
 576         if (!lyx::use_gui) {
 577                 first_start = false;
 578         }
 579
 580         // This one is generated in user_support directory by lib/configure.py.
 581         if (!readRcFile("lyxrc.defaults"))
 582                 return false;
 583
 584         // Query the OS to know what formats are viewed natively
 585         formats.setAutoOpen();
 586
 587         system_lyxrc = lyxrc;
 588         system_formats = formats;
 589         system_converters = converters;
 590         system_movers = movers;
 591         system_lcolor = lcolor;
 592
 593         // This one is edited through the preferences dialog.
 594         if (!readRcFile("preferences"))
 595                 return false;
 596
 597         if (!readEncodingsFile("encodings"))
 598                 return false;
 599         if (!readLanguagesFile("languages"))
 600                 return false;
 601
 602         // Load the layouts
 603         lyxerr[Debug::INIT] << "Reading layouts..." << endl;
 604         if (!LyXSetStyle())
 605                 return false;
 606
 607         if (lyx::use_gui) {
 608                 // Set up bindings
 609                 toplevel_keymap.reset(new kb_keymap);
 610                 defaultKeyBindings(toplevel_keymap.get());
 611                 toplevel_keymap->read(lyxrc.bind_file);
 612
 613                 // Read menus
 614                 if (!readUIFile(lyxrc.ui_file))
 615                         return false;
 616         }
 617
 618         if (lyxerr.debugging(Debug::LYXRC))
 619                 lyxrc.print();
 620
 621         os::windows_style_tex_paths(lyxrc.windows_style_tex_paths);
 622         if (!lyxrc.path_prefix.empty())
 623                 prependEnvPath("PATH", lyxrc.path_prefix);
 624
 625         if (fs::exists(lyxrc.document_path) &&
 626             fs::is_directory(lyxrc.document_path))
 627                 package().document_dir() = lyxrc.document_path;
 628
 629         package().temp_dir() = createLyXTmpDir(lyxrc.tempdir_path);
 630         if (package().temp_dir().empty()) {
 631                 Alert::error(_("Could not create temporary directory"),
 632                              bformat(_("Could not create a temporary directory in\n"
 633                                                     "%1$s. Make sure that this\n"
 634                                                     "path exists and is writable and try again."),
 635                                      lyx::from_utf8(lyxrc.tempdir_path)));
 636                 // createLyXTmpDir() tries sufficiently hard to create a
 637                 // usable temp dir, so the probability to come here is
 638                 // close to zero. We therefore don't try to overcome this
 639                 // problem with e.g. asking the user for a new path and
 640                 // trying again but simply exit.
 641                 return false;
 642         }
 643
 644         if (lyxerr.debugging(Debug::INIT)) {
 645                 lyxerr << "LyX tmp dir: `" << package().temp_dir() << '\'' << endl;
 646         }
 647
 648         lyxerr[Debug::INIT] << "Reading session information '.lyx/session'..." << endl;
 649         session_.reset(new lyx::Session(lyxrc.num_lastfiles));
 650         return true;
 651 }
 652
 653
 654 void LyX::defaultKeyBindings(kb_keymap  * kbmap)
 655 {
 656         kbmap->bind("Right", FuncRequest(LFUN_CHAR_FORWARD));
 657         kbmap->bind("Left", FuncRequest(LFUN_CHAR_BACKWARD));
 658         kbmap->bind("Up", FuncRequest(LFUN_UP));
 659         kbmap->bind("Down", FuncRequest(LFUN_DOWN));
 660
 661         kbmap->bind("Tab", FuncRequest(LFUN_CELL_FORWARD));
 662         kbmap->bind("C-Tab", FuncRequest(LFUN_CELL_SPLIT));
 663         kbmap->bind("~S-ISO_Left_Tab", FuncRequest(LFUN_CELL_BACKWARD));
 664         kbmap->bind("~S-BackTab", FuncRequest(LFUN_CELL_BACKWARD));
 665
 666         kbmap->bind("Home", FuncRequest(LFUN_LINE_BEGIN));
 667         kbmap->bind("End", FuncRequest(LFUN_LINE_END));
 668         kbmap->bind("Prior", FuncRequest(LFUN_SCREEN_UP));
 669         kbmap->bind("Next", FuncRequest(LFUN_SCREEN_DOWN));
 670
 671         kbmap->bind("Return", FuncRequest(LFUN_BREAK_PARAGRAPH));
 672         //kbmap->bind("~C-~S-~M-nobreakspace", FuncRequest(LFUN_PROTECTEDSPACE));
 673
 674         kbmap->bind("Delete", FuncRequest(LFUN_CHAR_DELETE_FORWARD));
 675         kbmap->bind("BackSpace", FuncRequest(LFUN_CHAR_DELETE_BACKWARD));
 676
 677         // kbmap->bindings to enable the use of the numeric keypad
 678         // e.g. Num Lock set
 679         //kbmap->bind("KP_0", FuncRequest(LFUN_SELF_INSERT));
 680         //kbmap->bind("KP_Decimal", FuncRequest(LFUN_SELF_INSERT));
 681         kbmap->bind("KP_Enter", FuncRequest(LFUN_BREAK_PARAGRAPH));
 682         //kbmap->bind("KP_1", FuncRequest(LFUN_SELF_INSERT));
 683         //kbmap->bind("KP_2", FuncRequest(LFUN_SELF_INSERT));
 684         //kbmap->bind("KP_3", FuncRequest(LFUN_SELF_INSERT));
 685         //kbmap->bind("KP_4", FuncRequest(LFUN_SELF_INSERT));
 686         //kbmap->bind("KP_5", FuncRequest(LFUN_SELF_INSERT));
 687         //kbmap->bind("KP_6", FuncRequest(LFUN_SELF_INSERT));
 688         //kbmap->bind("KP_Add", FuncRequest(LFUN_SELF_INSERT));
 689         //kbmap->bind("KP_7", FuncRequest(LFUN_SELF_INSERT));
 690         //kbmap->bind("KP_8", FuncRequest(LFUN_SELF_INSERT));
 691         //kbmap->bind("KP_9", FuncRequest(LFUN_SELF_INSERT));
 692         //kbmap->bind("KP_Divide", FuncRequest(LFUN_SELF_INSERT));
 693         //kbmap->bind("KP_Multiply", FuncRequest(LFUN_SELF_INSERT));
 694         //kbmap->bind("KP_Subtract", FuncRequest(LFUN_SELF_INSERT));
 695         kbmap->bind("KP_Right", FuncRequest(LFUN_CHAR_FORWARD));
 696         kbmap->bind("KP_Left", FuncRequest(LFUN_CHAR_BACKWARD));
 697         kbmap->bind("KP_Up", FuncRequest(LFUN_UP));
 698         kbmap->bind("KP_Down", FuncRequest(LFUN_DOWN));
 699         kbmap->bind("KP_Home", FuncRequest(LFUN_LINE_BEGIN));
 700         kbmap->bind("KP_End", FuncRequest(LFUN_LINE_END));
 701         kbmap->bind("KP_Prior", FuncRequest(LFUN_SCREEN_UP));
 702         kbmap->bind("KP_Next", FuncRequest(LFUN_SCREEN_DOWN));
 703 }
 704
 705
 706 void LyX::emergencyCleanup() const
 707 {
 708         // what to do about tmpfiles is non-obvious. we would
 709         // like to delete any we find, but our lyxdir might
 710         // contain documents etc. which might be helpful on
 711         // a crash
 712
 713         theBufferList().emergencyWriteAll();
 714         application_->server().emergencyCleanup();
 715 }
 716
 717
 718 void LyX::deadKeyBindings(kb_keymap * kbmap)
 719 {
 720         // bindKeyings for transparent handling of deadkeys
 721         // The keysyms are gotten from XFree86 X11R6
 722         kbmap->bind("~C-~S-~M-dead_acute", FuncRequest(LFUN_ACCENT_ACUTE));
 723         kbmap->bind("~C-~S-~M-dead_breve", FuncRequest(LFUN_ACCENT_BREVE));
 724         kbmap->bind("~C-~S-~M-dead_caron", FuncRequest(LFUN_ACCENT_CARON));
 725         kbmap->bind("~C-~S-~M-dead_cedilla", FuncRequest(LFUN_ACCENT_CEDILLA));
 726         kbmap->bind("~C-~S-~M-dead_abovering", FuncRequest(LFUN_ACCENT_CIRCLE));
 727         kbmap->bind("~C-~S-~M-dead_circumflex", FuncRequest(LFUN_ACCENT_CIRCUMFLEX));
 728         kbmap->bind("~C-~S-~M-dead_abovedot", FuncRequest(LFUN_ACCENT_DOT));
 729         kbmap->bind("~C-~S-~M-dead_grave", FuncRequest(LFUN_ACCENT_GRAVE));
 730         kbmap->bind("~C-~S-~M-dead_doubleacute", FuncRequest(LFUN_ACCENT_HUNGARIAN_UMLAUT));
 731         kbmap->bind("~C-~S-~M-dead_macron", FuncRequest(LFUN_ACCENT_MACRON));
 732         // nothing with this name
 733         // kbmap->bind("~C-~S-~M-dead_special_caron", LFUN_ACCENT_SPECIAL_CARON);
 734         kbmap->bind("~C-~S-~M-dead_tilde", FuncRequest(LFUN_ACCENT_TILDE));
 735         kbmap->bind("~C-~S-~M-dead_diaeresis", FuncRequest(LFUN_ACCENT_UMLAUT));
 736         // nothing with this name either...
 737         //kbmap->bind("~C-~S-~M-dead_underbar", FuncRequest(LFUN_ACCENT_UNDERBAR));
 738         kbmap->bind("~C-~S-~M-dead_belowdot", FuncRequest(LFUN_ACCENT_UNDERDOT));
 739         kbmap->bind("~C-~S-~M-dead_tie", FuncRequest(LFUN_ACCENT_TIE));
 740         kbmap->bind("~C-~S-~M-dead_ogonek",FuncRequest(LFUN_ACCENT_OGONEK));
 741 }
 742
 743
 744 namespace {
 745
 746 // return true if file does not exist or is older than configure.py.
 747 bool needsUpdate(string const & file)
 748 {
 749         static string const configure_script =
 750                 addName(package().system_support(), "configure.py");
 751         string const absfile =
 752                 addName(package().user_support(), file);
 753
 754         return (! fs::exists(absfile))
 755                 || (fs::last_write_time(configure_script)
 756                     > fs::last_write_time(absfile));
 757 }
 758
 759 }
 760
 761
 762 bool LyX::queryUserLyXDir(bool explicit_userdir)
 763 {
 764         // Does user directory exist?
 765         if (fs::exists(package().user_support()) &&
 766             fs::is_directory(package().user_support())) {
 767                 first_start = false;
 768
 769                 return needsUpdate("lyxrc.defaults")
 770                         || needsUpdate("textclass.lst")
 771                         || needsUpdate("packages.lst");
 772         }
 773
 774         first_start = !explicit_userdir;
 775
 776         // If the user specified explicitly a directory, ask whether
 777         // to create it. If the user says "no", then exit.
 778         if (explicit_userdir &&
 779             Alert::prompt(
 780                     _("Missing user LyX directory"),
 781                     bformat(_("You have specified a non-existent user "
 782                                            "LyX directory, %1$s.\n"
 783                                            "It is needed to keep your own configuration."),
 784                             lyx::from_utf8(package().user_support())),
 785                     1, 0,
 786                     _("&Create directory"),
 787                     _("&Exit LyX"))) {
 788                 lyxerr << lyx::to_utf8(_("No user LyX directory. Exiting.")) << endl;
 789                 lyx_exit(EXIT_FAILURE);
 790         }
 791
 792         lyxerr << lyx::to_utf8(bformat(_("LyX: Creating directory %1$s"),
 793                           lyx::from_utf8(package().user_support())))
 794                << endl;
 795
 796         if (!createDirectory(package().user_support(), 0755)) {
 797                 // Failed, so let's exit.
 798                 lyxerr << lyx::to_utf8(_("Failed to create directory. Exiting."))
 799                        << endl;
 800                 lyx_exit(EXIT_FAILURE);
 801         }
 802
 803         return true;
 804 }
 805
 806
 807 bool LyX::readRcFile(string const & name)
 808 {
 809         lyxerr[Debug::INIT] << "About to read " << name << "... ";
 810
 811         string const lyxrc_path = libFileSearch(string(), name);
 812         if (!lyxrc_path.empty()) {
 813
 814                 lyxerr[Debug::INIT] << "Found in " << lyxrc_path << endl;
 815
 816                 if (lyxrc.read(lyxrc_path) < 0) {
 817                         showFileError(name);
 818                         return false;
 819                 }
 820         } else
 821                 lyxerr[Debug::INIT] << "Not found." << lyxrc_path << endl;
 822         return true;
 823
 824 }
 825
 826
 827 // Read the ui file `name'
 828 bool LyX::readUIFile(string const & name)
 829 {
 830         enum Uitags {
 831                 ui_menuset = 1,
 832                 ui_toolbar,
 833                 ui_toolbars,
 834                 ui_include,
 835                 ui_last
 836         };
 837
 838         struct keyword_item uitags[ui_last - 1] = {
 839                 { "include", ui_include },
 840                 { "menuset", ui_menuset },
 841                 { "toolbar", ui_toolbar },
 842                 { "toolbars", ui_toolbars }
 843         };
 844
 845         // Ensure that a file is read only once (prevents include loops)
 846         static std::list<string> uifiles;
 847         std::list<string>::const_iterator it  = uifiles.begin();
 848         std::list<string>::const_iterator end = uifiles.end();
 849         it = std::find(it, end, name);
 850         if (it != end) {
 851                 lyxerr[Debug::INIT] << "UI file '" << name
 852                                     << "' has been read already. "
 853                                     << "Is this an include loop?"
 854                                     << endl;
 855                 return false;
 856         }
 857
 858         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 859
 860         string const ui_path = libFileSearch("ui", name, "ui");
 861
 862         if (ui_path.empty()) {
 863                 lyxerr[Debug::INIT] << "Could not find " << name << endl;
 864                 showFileError(name);
 865                 return false;
 866         }
 867         uifiles.push_back(name);
 868
 869         lyxerr[Debug::INIT] << "Found " << name
 870                             << " in " << ui_path << endl;
 871         LyXLex lex(uitags, ui_last - 1);
 872         lex.setFile(ui_path);
 873         if (!lex.isOK()) {
 874                 lyxerr << "Unable to set LyXLeX for ui file: " << ui_path
 875                        << endl;
 876         }
 877
 878         if (lyxerr.debugging(Debug::PARSER))
 879                 lex.printTable(lyxerr);
 880
 881         while (lex.isOK()) {
 882                 switch (lex.lex()) {
 883                 case ui_include: {
 884                         lex.next(true);
 885                         string const file = lex.getString();
 886                         if (!readUIFile(file))
 887                                 return false;
 888                         break;
 889                 }
 890                 case ui_menuset:
 891                         menubackend.read(lex);
 892                         break;
 893
 894                 case ui_toolbar:
 895                         toolbarbackend.read(lex);
 896                         break;
 897
 898                 case ui_toolbars:
 899                         toolbarbackend.readToolbars(lex);
 900                         break;
 901
 902                 default:
 903                         if (!rtrim(lex.getString()).empty())
 904                                 lex.printError("LyX::ReadUIFile: "
 905                                                "Unknown menu tag: `$$Token'");
 906                         break;
 907                 }
 908         }
 909         return true;
 910 }
 911
 912
 913 // Read the languages file `name'
 914 bool LyX::readLanguagesFile(string const & name)
 915 {
 916         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 917
 918         string const lang_path = libFileSearch(string(), name);
 919         if (lang_path.empty()) {
 920                 showFileError(name);
 921                 return false;
 922         }
 923         languages.read(lang_path);
 924         return true;
 925 }
 926
 927
 928 // Read the encodings file `name'
 929 bool LyX::readEncodingsFile(string const & name)
 930 {
 931         lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 932
 933         string const enc_path = libFileSearch(string(), name);
 934         if (enc_path.empty()) {
 935                 showFileError(name);
 936                 return false;
 937         }
 938         encodings.read(enc_path);
 939         return true;
 940 }
 941
 942
 943 namespace {
 944
 945 string batch;
 946
 947 /// return the the number of arguments consumed
 948 typedef boost::function<int(string const &, string const &)> cmd_helper;
 949
 950 int parse_dbg(string const & arg, string const &)
 951 {
 952         if (arg.empty()) {
 953                 lyxerr << lyx::to_utf8(_("List of supported debug flags:")) << endl;
 954                 Debug::showTags(lyxerr);
 955                 exit(0);
 956         }
 957         lyxerr << lyx::to_utf8(bformat(_("Setting debug level to %1$s"), lyx::from_utf8(arg))) << endl;
 958
 959         lyxerr.level(Debug::value(arg));
 960         Debug::showLevel(lyxerr, lyxerr.level());
 961         return 1;
 962 }
 963
 964
 965 int parse_help(string const &, string const &)
 966 {
 967         lyxerr <<
 968                 lyx::to_utf8(_("Usage: lyx [ command line switches ] [ name.lyx ... ]\n"
 969                   "Command line switches (case sensitive):\n"
 970                   "\t-help              summarize LyX usage\n"
 971                   "\t-userdir dir       set user directory to dir\n"
 972                   "\t-sysdir dir        set system directory to dir\n"
 973                   "\t-geometry WxH+X+Y  set geometry of the main window\n"
 974                   "\t-dbg feature[,feature]...\n"
 975                   "                  select the features to debug.\n"
 976                   "                  Type `lyx -dbg' to see the list of features\n"
 977                   "\t-x [--execute] command\n"
 978                   "                  where command is a lyx command.\n"
 979                   "\t-e [--export] fmt\n"
 980                   "                  where fmt is the export format of choice.\n"
 981                   "\t-i [--import] fmt file.xxx\n"
 982                   "                  where fmt is the import format of choice\n"
 983                   "                  and file.xxx is the file to be imported.\n"
 984                   "\t-version        summarize version and build info\n"
 985                                "Check the LyX man page for more details.")) << endl;
 986         exit(0);
 987         return 0;
 988 }
 989
 990 int parse_version(string const &, string const &)
 991 {
 992         lyxerr << "LyX " << lyx_version
 993                << " (" << lyx_release_date << ")" << endl;
 994         lyxerr << "Built on " << __DATE__ << ", " << __TIME__ << endl;
 995
 996         lyxerr << lyx_version_info << endl;
 997         exit(0);
 998         return 0;
 999 }
1000
1001 int parse_sysdir(string const & arg, string const &)
1002 {
1003         if (arg.empty()) {
1004                 lyxerr << lyx::to_utf8(_("Missing directory for -sysdir switch")) << endl;
1005                 exit(1);
1006         }
1007         cl_system_support = arg;
1008         return 1;
1009 }
1010
1011 int parse_userdir(string const & arg, string const &)
1012 {
1013         if (arg.empty()) {
1014                 lyxerr << lyx::to_utf8(_("Missing directory for -userdir switch")) << endl;
1015                 exit(1);
1016         }
1017         cl_user_support = arg;
1018         return 1;
1019 }
1020
1021 int parse_execute(string const & arg, string const &)
1022 {
1023         if (arg.empty()) {
1024                 lyxerr << lyx::to_utf8(_("Missing command string after --execute switch")) << endl;
1025                 exit(1);
1026         }
1027         batch = arg;
1028         return 1;
1029 }
1030
1031 int parse_export(string const & type, string const &)
1032 {
1033         if (type.empty()) {
1034                 lyxerr << lyx::to_utf8(_("Missing file type [eg latex, ps...] after "
1035                                          "--export switch")) << endl;
1036                 exit(1);
1037         }
1038         batch = "buffer-export " + type;
1039         lyx::use_gui = true;
1040         return 1;
1041 }
1042
1043 int parse_import(string const & type, string const & file)
1044 {
1045         if (type.empty()) {
1046                 lyxerr << lyx::to_utf8(_("Missing file type [eg latex, ps...] after "
1047                                          "--import switch")) << endl;
1048                 exit(1);
1049         }
1050         if (file.empty()) {
1051                 lyxerr << lyx::to_utf8(_("Missing filename for --import")) << endl;
1052                 exit(1);
1053         }
1054
1055         batch = "buffer-import " + type + ' ' + file;
1056         return 2;
1057 }
1058
1059 } // namespace anon
1060
1061
1062 void LyX::easyParse(int & argc, char * argv[])
1063 {
1064         std::map<string, cmd_helper> cmdmap;
1065
1066         cmdmap["-dbg"] = parse_dbg;
1067         cmdmap["-help"] = parse_help;
1068         cmdmap["--help"] = parse_help;
1069         cmdmap["-version"] = parse_version;
1070         cmdmap["--version"] = parse_version;
1071         cmdmap["-sysdir"] = parse_sysdir;
1072         cmdmap["-userdir"] = parse_userdir;
1073         cmdmap["-x"] = parse_execute;
1074         cmdmap["--execute"] = parse_execute;
1075         cmdmap["-e"] = parse_export;
1076         cmdmap["--export"] = parse_export;
1077         cmdmap["-i"] = parse_import;
1078         cmdmap["--import"] = parse_import;
1079
1080         for (int i = 1; i < argc; ++i) {
1081                 std::map<string, cmd_helper>::const_iterator it
1082                         = cmdmap.find(argv[i]);
1083
1084                 // check for X11 -geometry option
1085                 if (lyx::support::compare(argv[i], "-geometry") == 0)
1086                         geometryOption_ = true;
1087
1088                 // don't complain if not found - may be parsed later
1089                 if (it == cmdmap.end())
1090                         continue;
1091
1092                 string arg((i + 1 < argc) ? argv[i + 1] : "");
1093                 string arg2((i + 2 < argc) ? argv[i + 2] : "");
1094
1095                 int const remove = 1 + it->second(arg, arg2);
1096
1097                 // Now, remove used arguments by shifting
1098                 // the following ones remove places down.
1099                 argc -= remove;
1100                 for (int j = i; j < argc; ++j)
1101                         argv[j] = argv[j + remove];
1102                 --i;
1103         }
1104
1105         batch_command = batch;
1106 }