src/lyxfunc.C

   1 /**
   2  * \file lyxfunc.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 Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  * \author Allan Rae
  13  * \author Dekel Tsur
  14  * \author Martin Vermeer
  15  * \author Jürgen Vigna
  16  *
  17  * Full author contact details are available in file CREDITS.
  18  */
  19
  20 #include <config.h>
  21
  22 #include "lyxfunc.h"
  23
  24 #include "BranchList.h"
  25 #include "buffer.h"
  26 #include "buffer_funcs.h"
  27 #include "bufferlist.h"
  28 #include "bufferparams.h"
  29 #include "BufferView.h"
  30 #include "cursor.h"
  31 #include "CutAndPaste.h"
  32 #include "debug.h"
  33 #include "dispatchresult.h"
  34 #include "encoding.h"
  35 #include "errorlist.h"
  36 #include "exporter.h"
  37 #include "format.h"
  38 #include "funcrequest.h"
  39 #include "FuncStatus.h"
  40 #include "gettext.h"
  41 #include "importer.h"
  42 #include "insetiterator.h"
  43 #include "intl.h"
  44 #include "kbmap.h"
  45 #include "language.h"
  46 #include "LColor.h"
  47 #include "session.h"
  48 #include "lyx_main.h"
  49 #include "lyx_cb.h"
  50 #include "LyXAction.h"
  51 #include "lyxfind.h"
  52 #include "lyxlex.h"
  53 #include "lyxrc.h"
  54 #include "lyxrow.h"
  55 #include "lyxserver.h"
  56 #include "lyxtextclasslist.h"
  57 #include "lyxvc.h"
  58 #include "paragraph.h"
  59 #include "pariterator.h"
  60 #include "ParagraphParameters.h"
  61 #include "undo.h"
  62
  63 #include "insets/insetbox.h"
  64 #include "insets/insetbranch.h"
  65 #include "insets/insetcommand.h"
  66 #include "insets/insetert.h"
  67 #include "insets/insetexternal.h"
  68 #include "insets/insetfloat.h"
  69 #include "insets/insetgraphics.h"
  70 #include "insets/insetinclude.h"
  71 #include "insets/insetnote.h"
  72 #include "insets/insettabular.h"
  73 #include "insets/insetvspace.h"
  74 #include "insets/insetwrap.h"
  75
  76 #include "frontends/Application.h"
  77 #include "frontends/Alert.h"
  78 #include "frontends/Dialogs.h"
  79 #include "frontends/FileDialog.h"
  80 #include "frontends/FontLoader.h"
  81 #include "frontends/LyXKeySym.h"
  82 #include "frontends/LyXView.h"
  83 #include "frontends/Menubar.h"
  84 #include "frontends/Toolbars.h"
  85
  86 #include "support/environment.h"
  87 #include "support/filefilterlist.h"
  88 #include "support/filetools.h"
  89 #include "support/forkedcontr.h"
  90 #include "support/fs_extras.h"
  91 #include "support/lstrings.h"
  92 #include "support/path.h"
  93 #include "support/package.h"
  94 #include "support/systemcall.h"
  95 #include "support/convert.h"
  96 #include "support/os.h"
  97
  98 #include <boost/current_function.hpp>
  99 #include <boost/filesystem/operations.hpp>
 100
 101 #include <sstream>
 102
 103
 104 namespace lyx {
 105
 106 using bv_funcs::freefont2string;
 107
 108 using support::absolutePath;
 109 using support::addName;
 110 using support::addPath;
 111 using support::bformat;
 112 using support::changeExtension;
 113 using support::contains;
 114 using support::FileFilterList;
 115 using support::fileSearch;
 116 using support::ForkedcallsController;
 117 using support::i18nLibFileSearch;
 118 using support::isDirWriteable;
 119 using support::isFileReadable;
 120 using support::isStrInt;
 121 using support::makeAbsPath;
 122 using support::makeDisplayPath;
 123 using support::package;
 124 using support::quoteName;
 125 using support::rtrim;
 126 using support::split;
 127 using support::subst;
 128 using support::Systemcall;
 129 using support::token;
 130 using support::trim;
 131 using support::prefixIs;
 132
 133 using std::endl;
 134 using std::make_pair;
 135 using std::pair;
 136 using std::string;
 137 using std::istringstream;
 138 using std::ostringstream;
 139
 140 namespace Alert = frontend::Alert;
 141 namespace fs = boost::filesystem;
 142
 143
 144 // (alkis)
 145 extern tex_accent_struct get_accent(kb_action action);
 146
 147
 148 namespace {
 149
 150 bool getLocalStatus(LCursor cursor,
 151                FuncRequest const & cmd, FuncStatus & status)
 152 {
 153         // Try to fix cursor in case it is broken.
 154         cursor.fixIfBroken();
 155
 156         // This is, of course, a mess. Better create a new doc iterator and use
 157         // this in Inset::getStatus. This might require an additional
 158         // BufferView * arg, though (which should be avoided)
 159         //LCursor safe = *this;
 160         bool res = false;
 161         for ( ; cursor.depth(); cursor.pop()) {
 162                 //lyxerr << "\nLCursor::getStatus: cmd: " << cmd << endl << *this << endl;
 163                 BOOST_ASSERT(cursor.idx() <= cursor.lastidx());
 164                 BOOST_ASSERT(cursor.pit() <= cursor.lastpit());
 165                 BOOST_ASSERT(cursor.pos() <= cursor.lastpos());
 166
 167                 // The inset's getStatus() will return 'true' if it made
 168                 // a definitive decision on whether it want to handle the
 169                 // request or not. The result of this decision is put into
 170                 // the 'status' parameter.
 171                 if (cursor.inset().getStatus(cursor, cmd, status)) {
 172                         res = true;
 173                         break;
 174                 }
 175         }
 176         return res;
 177 }
 178
 179
 180 /** Return the change status at cursor position, taking in account the
 181  * status at each level of the document iterator (a table in a deleted
 182  * footnote is deleted).
 183  * When \param outer is true, the top slice is not looked at.
 184  */
 185 Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
 186 {
 187         size_t const depth = dit.depth() - (outer ? 1 : 0);
 188
 189         for (size_t i = 0 ; i < depth ; ++i) {
 190                 CursorSlice const & slice = dit[i];
 191                 if (!slice.inset().inMathed()
 192                     && slice.pos() < slice.paragraph().size()) {
 193                         Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
 194                         if (ch != Change::UNCHANGED)
 195                                 return ch;
 196                 }
 197         }
 198         return Change::UNCHANGED;
 199 }
 200
 201 }
 202
 203 LyXFunc::LyXFunc()
 204         : lyx_view_(0),
 205         encoded_last_key(0),
 206         meta_fake_bit(key_modifier::none)
 207 {
 208 }
 209
 210
 211 void LyXFunc::initKeySequences(kb_keymap * kb)
 212 {
 213         keyseq.reset(new kb_sequence(kb, kb));
 214         cancel_meta_seq.reset(new kb_sequence(kb, kb));
 215 }
 216
 217
 218 void LyXFunc::setLyXView(LyXView * lv)
 219 {
 220         lyx_view_ = lv;
 221 }
 222
 223
 224 void LyXFunc::handleKeyFunc(kb_action action)
 225 {
 226         char_type c = encoded_last_key;
 227
 228         if (keyseq->length())
 229                 c = 0;
 230
 231         lyx_view_->view()->getIntl().getTransManager()
 232                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 233         // Need to clear, in case the minibuffer calls these
 234         // actions
 235         keyseq->clear();
 236         // copied verbatim from do_accent_char
 237         view()->cursor().resetAnchor();
 238         view()->update();
 239 }
 240
 241
 242 void LyXFunc::processKeySym(LyXKeySymPtr keysym, key_modifier::state state)
 243 {
 244         lyxerr[Debug::KEY] << "KeySym is " << keysym->getSymbolName() << endl;
 245
 246         // Do nothing if we have nothing (JMarc)
 247         if (!keysym->isOK()) {
 248                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 249                                    << endl;
 250                 return;
 251         }
 252
 253         if (keysym->isModifier()) {
 254                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 255                 return;
 256         }
 257
 258         //Encoding const * encoding = view()->cursor().getEncoding();
 259         //encoded_last_key = keysym->getISOEncoded(encoding ? encoding->name() : "");
 260         size_t encoded_last_key = keysym->getUCSEncoded();
 261
 262         // Do a one-deep top-level lookup for
 263         // cancel and meta-fake keys. RVDK_PATCH_5
 264         cancel_meta_seq->reset();
 265
 266         FuncRequest func = cancel_meta_seq->addkey(keysym, state);
 267         lyxerr[Debug::KEY] << BOOST_CURRENT_FUNCTION
 268                            << " action first set to [" << func.action << ']'
 269                            << endl;
 270
 271         // When not cancel or meta-fake, do the normal lookup.
 272         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 273         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 274         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_PREFIX)) {
 275                 // remove Caps Lock and Mod2 as a modifiers
 276                 func = keyseq->addkey(keysym, (state | meta_fake_bit));
 277                 lyxerr[Debug::KEY] << BOOST_CURRENT_FUNCTION
 278                                    << "action now set to ["
 279                                    << func.action << ']' << endl;
 280         }
 281
 282         // Dont remove this unless you know what you are doing.
 283         meta_fake_bit = key_modifier::none;
 284
 285         // Can this happen now ?
 286         if (func.action == LFUN_NOACTION) {
 287                 func = FuncRequest(LFUN_COMMAND_PREFIX);
 288         }
 289
 290         if (lyxerr.debugging(Debug::KEY)) {
 291                 lyxerr << BOOST_CURRENT_FUNCTION
 292                        << " Key [action="
 293                        << func.action << "]["
 294                        << keyseq->print() << ']'
 295                        << endl;
 296         }
 297
 298         // already here we know if it any point in going further
 299         // why not return already here if action == -1 and
 300         // num_bytes == 0? (Lgb)
 301
 302         if (keyseq->length() > 1) {
 303                 lyx_view_->message(from_utf8(keyseq->print()));
 304         }
 305
 306
 307         // Maybe user can only reach the key via holding down shift.
 308         // Let's see. But only if shift is the only modifier
 309         if (func.action == LFUN_UNKNOWN_ACTION &&
 310             state == key_modifier::shift) {
 311                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 312                 func = keyseq->addkey(keysym, key_modifier::none);
 313                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 314         }
 315
 316         if (func.action == LFUN_UNKNOWN_ACTION) {
 317                 // Hmm, we didn't match any of the keysequences. See
 318                 // if it's normal insertable text not already covered
 319                 // by a binding
 320                 if (keysym->isText() && keyseq->length() == 1) {
 321                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 322                         func = FuncRequest(LFUN_SELF_INSERT,
 323                                            FuncRequest::KEYBOARD);
 324                 } else {
 325                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 326                         lyx_view_->message(_("Unknown function."));
 327                         return;
 328                 }
 329         }
 330
 331         if (func.action == LFUN_SELF_INSERT) {
 332                 if (encoded_last_key != 0) {
 333                         docstring const arg(1, encoded_last_key);
 334                         dispatch(FuncRequest(LFUN_SELF_INSERT, arg,
 335                                              FuncRequest::KEYBOARD));
 336                         lyxerr[Debug::KEY]
 337                                 << "SelfInsert arg[`" << to_utf8(arg) << "']" << endl;
 338                 }
 339         } else {
 340                 dispatch(func);
 341         }
 342 }
 343
 344
 345 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 346 {
 347         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
 348         FuncStatus flag;
 349         LCursor & cur = view()->cursor();
 350
 351         /* In LyX/Mac, when a dialog is open, the menus of the
 352            application can still be accessed without giving focus to
 353            the main window. In this case, we want to disable the menu
 354            entries that are buffer-related.
 355
 356            Note that this code is not perfect, as bug 1941 attests:
 357            http://bugzilla.lyx.org/show_bug.cgi?id=1941#c4
 358         */
 359         Buffer * buf;
 360         if (cmd.origin == FuncRequest::UI && !lyx_view_->hasFocus())
 361                 buf = 0;
 362         else
 363                 buf = lyx_view_->buffer();
 364
 365         if (cmd.action == LFUN_NOACTION) {
 366                 flag.message(from_utf8(N_("Nothing to do")));
 367                 flag.enabled(false);
 368                 return flag;
 369         }
 370
 371         switch (cmd.action) {
 372         case LFUN_UNKNOWN_ACTION:
 373 #ifndef HAVE_LIBAIKSAURUS
 374         case LFUN_THESAURUS_ENTRY:
 375 #endif
 376                 flag.unknown(true);
 377                 flag.enabled(false);
 378                 break;
 379
 380         default:
 381                 break;
 382         }
 383
 384         if (flag.unknown()) {
 385                 flag.message(from_utf8(N_("Unknown action")));
 386                 return flag;
 387         }
 388
 389         if (!flag.enabled()) {
 390                 if (flag.message().empty())
 391                         flag.message(from_utf8(N_("Command disabled")));
 392                 return flag;
 393         }
 394
 395         // Check whether we need a buffer
 396         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 397                 // no, exit directly
 398                 flag.message(from_utf8(N_("Command not allowed with"
 399                                     "out any document open")));
 400                 flag.enabled(false);
 401                 return flag;
 402         }
 403
 404         // I would really like to avoid having this switch and rather try to
 405         // encode this in the function itself.
 406         // -- And I'd rather let an inset decide which LFUNs it is willing
 407         // to handle (Andre')
 408         bool enable = true;
 409         switch (cmd.action) {
 410         case LFUN_BUFFER_TOGGLE_READ_ONLY:
 411                 flag.setOnOff(buf->isReadonly());
 412                 break;
 413
 414         case LFUN_BUFFER_SWITCH:
 415                 // toggle on the current buffer, but do not toggle off
 416                 // the other ones (is that a good idea?)
 417                 if (to_utf8(cmd.argument()) == buf->fileName())
 418                         flag.setOnOff(true);
 419                 break;
 420
 421         case LFUN_BUFFER_EXPORT:
 422                 enable = cmd.argument() == "custom"
 423                         || Exporter::isExportable(*buf, to_utf8(cmd.argument()));
 424                 break;
 425
 426         case LFUN_BUFFER_CHKTEX:
 427                 enable = buf->isLatex() && !lyxrc.chktex_command.empty();
 428                 break;
 429
 430         case LFUN_BUILD_PROGRAM:
 431                 enable = Exporter::isExportable(*buf, "program");
 432                 break;
 433
 434         case LFUN_LAYOUT_TABULAR:
 435                 enable = cur.innerInsetOfType(InsetBase::TABULAR_CODE);
 436                 break;
 437
 438         case LFUN_LAYOUT:
 439         case LFUN_LAYOUT_PARAGRAPH:
 440                 enable = !cur.inset().forceDefaultParagraphs(cur.idx());
 441                 break;
 442
 443         case LFUN_VC_REGISTER:
 444                 enable = !buf->lyxvc().inUse();
 445                 break;
 446         case LFUN_VC_CHECK_IN:
 447                 enable = buf->lyxvc().inUse() && !buf->isReadonly();
 448                 break;
 449         case LFUN_VC_CHECK_OUT:
 450                 enable = buf->lyxvc().inUse() && buf->isReadonly();
 451                 break;
 452         case LFUN_VC_REVERT:
 453         case LFUN_VC_UNDO_LAST:
 454                 enable = buf->lyxvc().inUse();
 455                 break;
 456         case LFUN_BUFFER_RELOAD:
 457                 enable = !buf->isUnnamed() && !buf->isClean();
 458                 break;
 459
 460         case LFUN_INSET_SETTINGS: {
 461                 enable = false;
 462                 if (!cur)
 463                         break;
 464                 InsetBase::Code code = cur.inset().lyxCode();
 465                 switch (code) {
 466                         case InsetBase::TABULAR_CODE:
 467                                 enable = cmd.argument() == "tabular";
 468                                 break;
 469                         case InsetBase::ERT_CODE:
 470                                 enable = cmd.argument() == "ert";
 471                                 break;
 472                         case InsetBase::FLOAT_CODE:
 473                                 enable = cmd.argument() == "float";
 474                                 break;
 475                         case InsetBase::WRAP_CODE:
 476                                 enable = cmd.argument() == "wrap";
 477                                 break;
 478                         case InsetBase::NOTE_CODE:
 479                                 enable = cmd.argument() == "note";
 480                                 break;
 481                         case InsetBase::BRANCH_CODE:
 482                                 enable = cmd.argument() == "branch";
 483                                 break;
 484                         case InsetBase::BOX_CODE:
 485                                 enable = cmd.argument() == "box";
 486                                 break;
 487                         default:
 488                                 break;
 489                 }
 490                 break;
 491         }
 492
 493         case LFUN_INSET_APPLY: {
 494                 string const name = cmd.getArg(0);
 495                 InsetBase * inset = lyx_view_->getDialogs().getOpenInset(name);
 496                 if (inset) {
 497                         FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
 498                         FuncStatus fs;
 499                         bool const success = inset->getStatus(cur, fr, fs);
 500                         // Every inset is supposed to handle this
 501                         BOOST_ASSERT(success);
 502                         flag |= fs;
 503                 } else {
 504                         FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
 505                         flag |= getStatus(fr);
 506                 }
 507                 enable = flag.enabled();
 508                 break;
 509         }
 510
 511         case LFUN_DIALOG_SHOW: {
 512                 string const name = cmd.getArg(0);
 513                 if (!buf)
 514                         enable = name == "aboutlyx"
 515                                 || name == "file"
 516                                 || name == "forks"
 517                                 || name == "prefs"
 518                                 || name == "texinfo";
 519                 else if (name == "print")
 520                         enable = Exporter::isExportable(*buf, "dvi")
 521                                 && lyxrc.print_command != "none";
 522                 else if (name == "character" || name == "mathpanel")
 523                         enable = cur.inset().lyxCode() != InsetBase::ERT_CODE;
 524                 else if (name == "latexlog")
 525                         enable = isFileReadable(buf->getLogName().second);
 526 #if !defined (USE_ASPELL) && !defined (USE_ISPELL) && !defined (USE_PSPELL)
 527                 else if (name == "spellchecker")
 528                         enable = false;
 529 #endif
 530                 else if (name == "vclog")
 531                         enable = buf->lyxvc().inUse();
 532                 else if (name == "view-source")
 533                         enable = buf;
 534                 break;
 535         }
 536
 537         case LFUN_DIALOG_SHOW_NEW_INSET:
 538                 enable = cur.inset().lyxCode() != InsetBase::ERT_CODE;
 539                 break;
 540
 541         case LFUN_DIALOG_UPDATE: {
 542                 string const name = cmd.getArg(0);
 543                 if (!buf)
 544                         enable = name == "prefs";
 545                 break;
 546         }
 547
 548         case LFUN_CITATION_INSERT: {
 549                 FuncRequest fr(LFUN_INSET_INSERT, "citation");
 550                 enable = getStatus(fr).enabled();
 551                 break;
 552         }
 553
 554         case LFUN_BUFFER_WRITE: {
 555                 enable = view()->buffer()->isUnnamed()
 556                         || !view()->buffer()->isClean();
 557                 break;
 558         }
 559
 560         // this one is difficult to get right. As a half-baked
 561         // solution, we consider only the first action of the sequence
 562         case LFUN_COMMAND_SEQUENCE: {
 563                 // argument contains ';'-terminated commands
 564                 string const firstcmd = token(to_utf8(cmd.argument()), ';', 0);
 565                 FuncRequest func(lyxaction.lookupFunc(firstcmd));
 566                 func.origin = cmd.origin;
 567                 flag = getStatus(func);
 568         }
 569
 570         case LFUN_BUFFER_NEW:
 571         case LFUN_BUFFER_NEW_TEMPLATE:
 572         case LFUN_WORD_FIND_FORWARD:
 573         case LFUN_WORD_FIND_BACKWARD:
 574         case LFUN_COMMAND_PREFIX:
 575         case LFUN_COMMAND_EXECUTE:
 576         case LFUN_CANCEL:
 577         case LFUN_META_PREFIX:
 578         case LFUN_BUFFER_CLOSE:
 579         case LFUN_BUFFER_WRITE_AS:
 580         case LFUN_BUFFER_UPDATE:
 581         case LFUN_BUFFER_VIEW:
 582         case LFUN_BUFFER_IMPORT:
 583         case LFUN_LYX_QUIT:
 584         case LFUN_TOC_VIEW:
 585         case LFUN_BUFFER_AUTO_SAVE:
 586         case LFUN_RECONFIGURE:
 587         case LFUN_HELP_OPEN:
 588         case LFUN_FILE_NEW:
 589         case LFUN_FILE_OPEN:
 590         case LFUN_DROP_LAYOUTS_CHOICE:
 591         case LFUN_MENU_OPEN:
 592         case LFUN_SERVER_GET_NAME:
 593         case LFUN_SERVER_NOTIFY:
 594         case LFUN_SERVER_GOTO_FILE_ROW:
 595         case LFUN_DIALOG_HIDE:
 596         case LFUN_DIALOG_DISCONNECT_INSET:
 597         case LFUN_BUFFER_CHILD_OPEN:
 598         case LFUN_TOGGLE_CURSOR_FOLLOWS_SCROLLBAR:
 599         case LFUN_KEYMAP_OFF:
 600         case LFUN_KEYMAP_PRIMARY:
 601         case LFUN_KEYMAP_SECONDARY:
 602         case LFUN_KEYMAP_TOGGLE:
 603         case LFUN_REPEAT:
 604         case LFUN_BUFFER_EXPORT_CUSTOM:
 605         case LFUN_BUFFER_PRINT:
 606         case LFUN_PREFERENCES_SAVE:
 607         case LFUN_SCREEN_FONT_UPDATE:
 608         case LFUN_SET_COLOR:
 609         case LFUN_MESSAGE:
 610         case LFUN_EXTERNAL_EDIT:
 611         case LFUN_GRAPHICS_EDIT:
 612         case LFUN_ALL_INSETS_TOGGLE:
 613         case LFUN_BUFFER_LANGUAGE:
 614         case LFUN_TEXTCLASS_APPLY:
 615         case LFUN_TEXTCLASS_LOAD:
 616         case LFUN_BUFFER_SAVE_AS_DEFAULT:
 617         case LFUN_BUFFER_PARAMS_APPLY:
 618         case LFUN_LYXRC_APPLY:
 619         case LFUN_BUFFER_NEXT:
 620         case LFUN_BUFFER_PREVIOUS:
 621         case LFUN_WINDOW_NEW:
 622                 // these are handled in our dispatch()
 623                 break;
 624
 625         default:
 626                 if (!getLocalStatus(cur, cmd, flag))
 627                         flag = view()->getStatus(cmd);
 628         }
 629
 630         if (!enable)
 631                 flag.enabled(false);
 632
 633         // Can we use a readonly buffer?
 634         if (buf && buf->isReadonly()
 635             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 636             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 637                 flag.message(from_utf8(N_("Document is read-only")));
 638                 flag.enabled(false);
 639         }
 640
 641         // Are we in a DELETED change-tracking region?
 642         if (buf && lookupChangeType(cur, true) == Change::DELETED
 643             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 644             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 645                 flag.message(from_utf8(N_("This portion of the document is deleted.")));
 646                 flag.enabled(false);
 647         }
 648
 649         // the default error message if we disable the command
 650         if (!flag.enabled() && flag.message().empty())
 651                 flag.message(from_utf8(N_("Command disabled")));
 652
 653         return flag;
 654 }
 655
 656
 657 bool LyXFunc::ensureBufferClean(BufferView * bv)
 658 {
 659         Buffer & buf = *bv->buffer();
 660         if (buf.isClean())
 661                 return true;
 662
 663         docstring const file = makeDisplayPath(buf.fileName(), 30);
 664         docstring text = bformat(_("The document %1$s has unsaved "
 665                                              "changes.\n\nDo you want to save "
 666                                              "the document?"), file);
 667         int const ret = Alert::prompt(_("Save changed document?"),
 668                                       text, 0, 1, _("&Save"),
 669                                       _("&Cancel"));
 670
 671         if (ret == 0)
 672                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
 673
 674         return buf.isClean();
 675 }
 676
 677
 678 namespace {
 679
 680 void showPrintError(string const & name)
 681 {
 682         docstring str = bformat(_("Could not print the document %1$s.\n"
 683                                             "Check that your printer is set up correctly."),
 684                              makeDisplayPath(name, 50));
 685         Alert::error(_("Print document failed"), str);
 686 }
 687
 688
 689 void loadTextclass(string const & name)
 690 {
 691         std::pair<bool, textclass_type> const tc_pair =
 692                 textclasslist.numberOfClass(name);
 693
 694         if (!tc_pair.first) {
 695                 lyxerr << "Document class \"" << name
 696                        << "\" does not exist."
 697                        << std::endl;
 698                 return;
 699         }
 700
 701         textclass_type const tc = tc_pair.second;
 702
 703         if (!textclasslist[tc].load()) {
 704                 docstring s = bformat(_("The document could not be converted\n"
 705                                                   "into the document class %1$s."),
 706                                    from_utf8(textclasslist[tc].name()));
 707                 Alert::error(_("Could not change class"), s);
 708         }
 709 }
 710
 711
 712 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new);
 713
 714 } //namespace anon
 715
 716
 717 void LyXFunc::dispatch(FuncRequest const & cmd)
 718 {
 719         BOOST_ASSERT(view());
 720         string const argument = to_utf8(cmd.argument());
 721         kb_action const action = cmd.action;
 722
 723         lyxerr[Debug::ACTION] << endl << "LyXFunc::dispatch: cmd: " << cmd << endl;
 724         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 725
 726         // we have not done anything wrong yet.
 727         errorstat = false;
 728         dispatch_buffer.erase();
 729
 730         // redraw the screen at the end (first of the two drawing steps).
 731         //This is done unless explicitely requested otherwise
 732         bool update = true;
 733         // also do the second redrawing step. Only done if requested.
 734         bool updateforce = false;
 735
 736         FuncStatus const flag = getStatus(cmd);
 737         if (!flag.enabled()) {
 738                 // We cannot use this function here
 739                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 740                        << lyxaction.getActionName(action)
 741                        << " [" << action << "] is disabled at this location"
 742                        << endl;
 743                 setErrorMessage(flag.message());
 744         } else {
 745                 switch (action) {
 746
 747                 case LFUN_WORD_FIND_FORWARD:
 748                 case LFUN_WORD_FIND_BACKWARD: {
 749                         static string last_search;
 750                         string searched_string;
 751
 752                         if (!argument.empty()) {
 753                                 last_search = argument;
 754                                 searched_string = argument;
 755                         } else {
 756                                 searched_string = last_search;
 757                         }
 758
 759                         if (searched_string.empty())
 760                                 break;
 761
 762                         bool const fw = action == LFUN_WORD_FIND_FORWARD;
 763                         string const data =
 764                                 find2string(searched_string, true, false, fw);
 765                         find(view(), FuncRequest(LFUN_WORD_FIND, data));
 766                         break;
 767                 }
 768
 769                 case LFUN_COMMAND_PREFIX:
 770                         lyx_view_->message(from_utf8(keyseq->printOptions()));
 771                         break;
 772
 773                 case LFUN_COMMAND_EXECUTE:
 774                         lyx_view_->getToolbars().display("minibuffer", true);
 775                         lyx_view_->focus_command_buffer();
 776                         break;
 777
 778                 case LFUN_CANCEL:
 779                         keyseq->reset();
 780                         meta_fake_bit = key_modifier::none;
 781                         if (view()->buffer())
 782                                 // cancel any selection
 783                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 784                         setMessage(_("Cancel"));
 785                         break;
 786
 787                 case LFUN_META_PREFIX:
 788                         meta_fake_bit = key_modifier::alt;
 789                         setMessage(from_utf8(keyseq->print()));
 790                         break;
 791
 792                 case LFUN_BUFFER_TOGGLE_READ_ONLY:
 793                         if (lyx_view_->buffer()->lyxvc().inUse())
 794                                 lyx_view_->buffer()->lyxvc().toggleReadOnly();
 795                         else
 796                                 lyx_view_->buffer()->setReadonly(
 797                                         !lyx_view_->buffer()->isReadonly());
 798                         break;
 799
 800                 // --- Menus -----------------------------------------------
 801                 case LFUN_BUFFER_NEW:
 802                         menuNew(argument, false);
 803                         break;
 804
 805                 case LFUN_BUFFER_NEW_TEMPLATE:
 806                         menuNew(argument, true);
 807                         break;
 808
 809                 case LFUN_BUFFER_CLOSE:
 810                         closeBuffer();
 811                         break;
 812
 813                 case LFUN_BUFFER_WRITE:
 814                         if (!lyx_view_->buffer()->isUnnamed()) {
 815                                 docstring const str = bformat(_("Saving document %1$s..."),
 816                                          makeDisplayPath(lyx_view_->buffer()->fileName()));
 817                                 lyx_view_->message(str);
 818                                 menuWrite(lyx_view_->buffer());
 819                                 lyx_view_->message(str + _(" done."));
 820                         } else
 821                                 writeAs(lyx_view_->buffer());
 822                         update = false;
 823                         break;
 824
 825                 case LFUN_BUFFER_WRITE_AS:
 826                         writeAs(lyx_view_->buffer(), argument);
 827                         update = false;
 828                         break;
 829
 830                 case LFUN_BUFFER_RELOAD: {
 831                         docstring const file = makeDisplayPath(view()->buffer()->fileName(), 20);
 832                         docstring text = bformat(_("Any changes will be lost. Are you sure "
 833                                                              "you want to revert to the saved version of the document %1$s?"), file);
 834                         int const ret = Alert::prompt(_("Revert to saved document?"),
 835                                 text, 0, 1, _("&Revert"), _("&Cancel"));
 836
 837                         if (ret == 0)
 838                                 view()->reload();
 839                         break;
 840                 }
 841
 842                 case LFUN_BUFFER_UPDATE:
 843                         Exporter::Export(lyx_view_->buffer(), argument, true);
 844                         break;
 845
 846                 case LFUN_BUFFER_VIEW:
 847                         Exporter::preview(lyx_view_->buffer(), argument);
 848                         break;
 849
 850                 case LFUN_BUILD_PROGRAM:
 851                         Exporter::Export(lyx_view_->buffer(), "program", true);
 852                         break;
 853
 854                 case LFUN_BUFFER_CHKTEX:
 855                         lyx_view_->buffer()->runChktex();
 856                         break;
 857
 858                 case LFUN_BUFFER_EXPORT:
 859                         if (argument == "custom")
 860                                 lyx_view_->getDialogs().show("sendto");
 861                         else {
 862                                 Exporter::Export(lyx_view_->buffer(), argument, false);
 863                         }
 864                         break;
 865
 866                 case LFUN_BUFFER_EXPORT_CUSTOM: {
 867                         string format_name;
 868                         string command = split(argument, format_name, ' ');
 869                         Format const * format = formats.getFormat(format_name);
 870                         if (!format) {
 871                                 lyxerr << "Format \"" << format_name
 872                                        << "\" not recognized!"
 873                                        << std::endl;
 874                                 break;
 875                         }
 876
 877                         Buffer * buffer = lyx_view_->buffer();
 878
 879                         // The name of the file created by the conversion process
 880                         string filename;
 881
 882                         // Output to filename
 883                         if (format->name() == "lyx") {
 884                                 string const latexname =
 885                                         buffer->getLatexName(false);
 886                                 filename = changeExtension(latexname,
 887                                                            format->extension());
 888                                 filename = addName(buffer->temppath(), filename);
 889
 890                                 if (!buffer->writeFile(filename))
 891                                         break;
 892
 893                         } else {
 894                                 Exporter::Export(buffer, format_name, true, filename);
 895                         }
 896
 897                         // Substitute $$FName for filename
 898                         if (!contains(command, "$$FName"))
 899                                 command = "( " + command + " ) < $$FName";
 900                         command = subst(command, "$$FName", filename);
 901
 902                         // Execute the command in the background
 903                         Systemcall call;
 904                         call.startscript(Systemcall::DontWait, command);
 905                         break;
 906                 }
 907
 908                 case LFUN_BUFFER_PRINT: {
 909                         string target;
 910                         string target_name;
 911                         string command = split(split(argument, target, ' '),
 912                                                target_name, ' ');
 913
 914                         if (target.empty()
 915                             || target_name.empty()
 916                             || command.empty()) {
 917                                 lyxerr << "Unable to parse \""
 918                                        << argument << '"' << std::endl;
 919                                 break;
 920                         }
 921                         if (target != "printer" && target != "file") {
 922                                 lyxerr << "Unrecognized target \""
 923                                        << target << '"' << std::endl;
 924                                 break;
 925                         }
 926
 927                         Buffer * buffer = lyx_view_->buffer();
 928
 929                         if (!Exporter::Export(buffer, "dvi", true)) {
 930                                 showPrintError(buffer->fileName());
 931                                 break;
 932                         }
 933
 934                         // Push directory path.
 935                         string const path = buffer->temppath();
 936                         support::Path p(path);
 937
 938                         // there are three cases here:
 939                         // 1. we print to a file
 940                         // 2. we print directly to a printer
 941                         // 3. we print using a spool command (print to file first)
 942                         Systemcall one;
 943                         int res = 0;
 944                         string const dviname =
 945                                 changeExtension(buffer->getLatexName(true),
 946                                                 "dvi");
 947
 948                         if (target == "printer") {
 949                                 if (!lyxrc.print_spool_command.empty()) {
 950                                         // case 3: print using a spool
 951                                         string const psname =
 952                                                 changeExtension(dviname,".ps");
 953                                         command += lyxrc.print_to_file
 954                                                 + quoteName(psname)
 955                                                 + ' '
 956                                                 + quoteName(dviname);
 957
 958                                         string command2 =
 959                                                 lyxrc.print_spool_command +' ';
 960                                         if (target_name != "default") {
 961                                                 command2 += lyxrc.print_spool_printerprefix
 962                                                         + target_name
 963                                                         + ' ';
 964                                         }
 965                                         command2 += quoteName(psname);
 966                                         // First run dvips.
 967                                         // If successful, then spool command
 968                                         res = one.startscript(
 969                                                 Systemcall::Wait,
 970                                                 command);
 971
 972                                         if (res == 0)
 973                                                 res = one.startscript(
 974                                                         Systemcall::DontWait,
 975                                                         command2);
 976                                 } else {
 977                                         // case 2: print directly to a printer
 978                                         res = one.startscript(
 979                                                 Systemcall::DontWait,
 980                                                 command + quoteName(dviname));
 981                                 }
 982
 983                         } else {
 984                                 // case 1: print to a file
 985                                 command += lyxrc.print_to_file
 986                                         + quoteName(makeAbsPath(target_name,
 987                                                                 path))
 988                                         + ' '
 989                                         + quoteName(dviname);
 990                                 res = one.startscript(Systemcall::DontWait,
 991                                                       command);
 992                         }
 993
 994                         if (res != 0)
 995                                 showPrintError(buffer->fileName());
 996                         break;
 997                 }
 998
 999                 case LFUN_BUFFER_IMPORT:
1000                         doImport(argument);
1001                         break;
1002
1003                 case LFUN_LYX_QUIT:
1004                         if (view()->buffer()) {
1005                                 // save cursor Position for opened files to .lyx/session
1006                                 LyX::ref().session().saveFilePosition(lyx_view_->buffer()->fileName(),
1007                                         boost::tie(view()->cursor().pit(), view()->cursor().pos()) );
1008                                 // save bookmarks to .lyx/session
1009                                 view()->saveSavedPositions();
1010                         }
1011                         LyX::ref().quit(argument == "force");
1012                         break;
1013
1014                 case LFUN_TOC_VIEW: {
1015                         InsetCommandParams p("tableofcontents");
1016                         string const data = InsetCommandMailer::params2string("toc", p);
1017                         lyx_view_->getDialogs().show("toc", data, 0);
1018                         break;
1019                 }
1020
1021                 case LFUN_BUFFER_AUTO_SAVE:
1022                         autoSave(view());
1023                         break;
1024
1025                 case LFUN_RECONFIGURE:
1026                         reconfigure(view());
1027                         break;
1028
1029                 case LFUN_HELP_OPEN: {
1030                         string const arg = argument;
1031                         if (arg.empty()) {
1032                                 setErrorMessage(_("Missing argument"));
1033                                 break;
1034                         }
1035                         string const fname = i18nLibFileSearch("doc", arg, "lyx");
1036                         if (fname.empty()) {
1037                                 lyxerr << "LyX: unable to find documentation file `"
1038                                                          << arg << "'. Bad installation?" << endl;
1039                                 break;
1040                         }
1041                         lyx_view_->message(bformat(_("Opening help file %1$s..."),
1042                                 makeDisplayPath(fname)));
1043                         lyx_view_->loadLyXFile(fname, false);
1044                         break;
1045                 }
1046
1047                 // --- version control -------------------------------
1048                 case LFUN_VC_REGISTER:
1049                         if (!ensureBufferClean(view()))
1050                                 break;
1051                         if (!lyx_view_->buffer()->lyxvc().inUse()) {
1052                                 lyx_view_->buffer()->lyxvc().registrer();
1053                                 view()->reload();
1054                         }
1055                         break;
1056
1057                 case LFUN_VC_CHECK_IN:
1058                         if (!ensureBufferClean(view()))
1059                                 break;
1060                         if (lyx_view_->buffer()->lyxvc().inUse()
1061                                         && !lyx_view_->buffer()->isReadonly()) {
1062                                 lyx_view_->buffer()->lyxvc().checkIn();
1063                                 view()->reload();
1064                         }
1065                         break;
1066
1067                 case LFUN_VC_CHECK_OUT:
1068                         if (!ensureBufferClean(view()))
1069                                 break;
1070                         if (lyx_view_->buffer()->lyxvc().inUse()
1071                                         && lyx_view_->buffer()->isReadonly()) {
1072                                 lyx_view_->buffer()->lyxvc().checkOut();
1073                                 view()->reload();
1074                         }
1075                         break;
1076
1077                 case LFUN_VC_REVERT:
1078                         lyx_view_->buffer()->lyxvc().revert();
1079                         view()->reload();
1080                         break;
1081
1082                 case LFUN_VC_UNDO_LAST:
1083                         lyx_view_->buffer()->lyxvc().undoLast();
1084                         view()->reload();
1085                         break;
1086
1087                 // --- buffers ----------------------------------------
1088                 case LFUN_BUFFER_SWITCH:
1089                         lyx_view_->setBuffer(theBufferList().getBuffer(argument));
1090                         break;
1091
1092                 case LFUN_BUFFER_NEXT:
1093                         lyx_view_->setBuffer(theBufferList().next(view()->buffer()));
1094                         break;
1095
1096                 case LFUN_BUFFER_PREVIOUS:
1097                         lyx_view_->setBuffer(theBufferList().previous(view()->buffer()));
1098                         break;
1099
1100                 case LFUN_FILE_NEW:
1101                         newFile(view(), argument);
1102                         break;
1103
1104                 case LFUN_FILE_OPEN:
1105                         open(argument);
1106                         break;
1107
1108                 case LFUN_DROP_LAYOUTS_CHOICE:
1109                         lyx_view_->getToolbars().openLayoutList();
1110                         break;
1111
1112                 case LFUN_MENU_OPEN:
1113                         lyx_view_->getMenubar().openByName(from_utf8(argument));
1114                         break;
1115
1116                 // --- lyxserver commands ----------------------------
1117                 case LFUN_SERVER_GET_NAME:
1118                         setMessage(from_utf8(lyx_view_->buffer()->fileName()));
1119                         lyxerr[Debug::INFO] << "FNAME["
1120                                                          << lyx_view_->buffer()->fileName()
1121                                                          << "] " << endl;
1122                         break;
1123
1124                 case LFUN_SERVER_NOTIFY:
1125                         dispatch_buffer = from_utf8(keyseq->print());
1126                         theLyXServer().notifyClient(to_utf8(dispatch_buffer));
1127                         break;
1128
1129                 case LFUN_SERVER_GOTO_FILE_ROW: {
1130                         string file_name;
1131                         int row;
1132                         istringstream is(argument);
1133                         is >> file_name >> row;
1134                         if (prefixIs(file_name, package().temp_dir())) {
1135                                 // Needed by inverse dvi search. If it is a file
1136                                 // in tmpdir, call the apropriated function
1137                                 lyx_view_->setBuffer(theBufferList().getBufferFromTmp(file_name));
1138                         } else {
1139                                 // Must replace extension of the file to be .lyx
1140                                 // and get full path
1141                                 string const s = changeExtension(file_name, ".lyx");
1142                                 // Either change buffer or load the file
1143                                 if (theBufferList().exists(s)) {
1144                                         lyx_view_->setBuffer(theBufferList().getBuffer(s));
1145                                 } else {
1146                                         lyx_view_->loadLyXFile(s);
1147                                 }
1148                         }
1149
1150                         view()->setCursorFromRow(row);
1151
1152                         view()->center();
1153                         // see BufferView::center()
1154                         break;
1155                 }
1156
1157                 case LFUN_DIALOG_SHOW: {
1158                         string const name = cmd.getArg(0);
1159                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1160
1161                         if (name == "character") {
1162                                 data = freefont2string();
1163                                 if (!data.empty())
1164                                         lyx_view_->getDialogs().show("character", data);
1165                         } else if (name == "latexlog") {
1166                                 pair<Buffer::LogType, string> const logfile =
1167                                         lyx_view_->buffer()->getLogName();
1168                                 switch (logfile.first) {
1169                                 case Buffer::latexlog:
1170                                         data = "latex ";
1171                                         break;
1172                                 case Buffer::buildlog:
1173                                         data = "literate ";
1174                                         break;
1175                                 }
1176                                 data += LyXLex::quoteString(logfile.second);
1177                                 lyx_view_->getDialogs().show("log", data);
1178                         } else if (name == "vclog") {
1179                                 string const data = "vc " +
1180                                         LyXLex::quoteString(lyx_view_->buffer()->lyxvc().getLogFile());
1181                                 lyx_view_->getDialogs().show("log", data);
1182                         } else
1183                                 lyx_view_->getDialogs().show(name, data);
1184                         break;
1185                 }
1186
1187                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1188                         string const name = cmd.getArg(0);
1189                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1190                         if (name == "bibitem" ||
1191                             name == "bibtex" ||
1192                             name == "index" ||
1193                             name == "label" ||
1194                             name == "ref" ||
1195                             name == "toc" ||
1196                             name == "url") {
1197                                 InsetCommandParams p(name);
1198                                 data = InsetCommandMailer::params2string(name, p);
1199                         } else if (name == "include") {
1200                                 InsetCommandParams p(data);
1201                                 data = InsetIncludeMailer::params2string(p);
1202                         } else if (name == "box") {
1203                                 // \c data == "Boxed" || "Frameless" etc
1204                                 InsetBoxParams p(data);
1205                                 data = InsetBoxMailer::params2string(p);
1206                         } else if (name == "branch") {
1207                                 InsetBranchParams p;
1208                                 data = InsetBranchMailer::params2string(p);
1209                         } else if (name == "citation") {
1210                                 InsetCommandParams p("cite");
1211                                 data = InsetCommandMailer::params2string(name, p);
1212                         } else if (name == "ert") {
1213                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1214                         } else if (name == "external") {
1215                                 InsetExternalParams p;
1216                                 Buffer const & buffer = *lyx_view_->buffer();
1217                                 data = InsetExternalMailer::params2string(p, buffer);
1218                         } else if (name == "float") {
1219                                 InsetFloatParams p;
1220                                 data = InsetFloatMailer::params2string(p);
1221                         } else if (name == "graphics") {
1222                                 InsetGraphicsParams p;
1223                                 Buffer const & buffer = *lyx_view_->buffer();
1224                                 data = InsetGraphicsMailer::params2string(p, buffer);
1225                         } else if (name == "note") {
1226                                 InsetNoteParams p;
1227                                 data = InsetNoteMailer::params2string(p);
1228                         } else if (name == "vspace") {
1229                                 VSpace space;
1230                                 data = InsetVSpaceMailer::params2string(space);
1231                         } else if (name == "wrap") {
1232                                 InsetWrapParams p;
1233                                 data = InsetWrapMailer::params2string(p);
1234                         }
1235                         lyx_view_->getDialogs().show(name, data, 0);
1236                         break;
1237                 }
1238
1239                 case LFUN_DIALOG_UPDATE: {
1240                         string const & name = argument;
1241                         // Can only update a dialog connected to an existing inset
1242                         InsetBase * inset = lyx_view_->getDialogs().getOpenInset(name);
1243                         if (inset) {
1244                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
1245                                 inset->dispatch(view()->cursor(), fr);
1246                         } else if (name == "paragraph") {
1247                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1248                         } else if (name == "prefs") {
1249                                 lyx_view_->getDialogs().update(name, string());
1250                         }
1251                         break;
1252                 }
1253
1254                 case LFUN_DIALOG_HIDE:
1255                         Dialogs::hide(argument, 0);
1256                         break;
1257
1258                 case LFUN_DIALOG_DISCONNECT_INSET:
1259                         lyx_view_->getDialogs().disconnect(argument);
1260                         break;
1261
1262
1263                 case LFUN_CITATION_INSERT: {
1264                         if (!argument.empty()) {
1265                                 // we can have one optional argument, delimited by '|'
1266                                 // citation-insert <key>|<text_before>
1267                                 // this should be enhanced to also support text_after
1268                                 // and citation style
1269                                 string arg = argument;
1270                                 string opt1;
1271                                 if (contains(argument, "|")) {
1272                                         arg = token(argument, '|', 0);
1273                                         opt1 = '[' + token(argument, '|', 1) + ']';
1274                                 }
1275                                 std::ostringstream os;
1276                                 os << "citation LatexCommand\n"
1277                                    << "\\cite" << opt1 << "{" << arg << "}\n"
1278                                    << "\\end_inset";
1279                                 FuncRequest fr(LFUN_INSET_INSERT, os.str());
1280                                 dispatch(fr);
1281                         } else
1282                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "citation"));
1283                         break;
1284                 }
1285
1286                 case LFUN_BUFFER_CHILD_OPEN: {
1287                         string const filename =
1288                                 makeAbsPath(argument, lyx_view_->buffer()->filePath());
1289                         // FIXME Should use bformat
1290                         setMessage(_("Opening child document ") +
1291                                          makeDisplayPath(filename) + "...");
1292                         view()->savePosition(0);
1293                         string const parentfilename = lyx_view_->buffer()->fileName();
1294                         if (theBufferList().exists(filename))
1295                                 lyx_view_->setBuffer(theBufferList().getBuffer(filename));
1296                         else
1297                                 lyx_view_->loadLyXFile(filename);
1298                         // Set the parent name of the child document.
1299                         // This makes insertion of citations and references in the child work,
1300                         // when the target is in the parent or another child document.
1301                         lyx_view_->buffer()->setParentName(parentfilename);
1302                         break;
1303                 }
1304
1305                 case LFUN_TOGGLE_CURSOR_FOLLOWS_SCROLLBAR:
1306                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1307                         break;
1308
1309                 case LFUN_KEYMAP_OFF:
1310                         lyx_view_->view()->getIntl().keyMapOn(false);
1311                         break;
1312
1313                 case LFUN_KEYMAP_PRIMARY:
1314                         lyx_view_->view()->getIntl().keyMapPrim();
1315                         break;
1316
1317                 case LFUN_KEYMAP_SECONDARY:
1318                         lyx_view_->view()->getIntl().keyMapSec();
1319                         break;
1320
1321                 case LFUN_KEYMAP_TOGGLE:
1322                         lyx_view_->view()->getIntl().toggleKeyMap();
1323                         break;
1324
1325                 case LFUN_REPEAT: {
1326                         // repeat command
1327                         string countstr;
1328                         string rest = split(argument, countstr, ' ');
1329                         istringstream is(countstr);
1330                         int count = 0;
1331                         is >> count;
1332                         lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1333                         for (int i = 0; i < count; ++i)
1334                                 dispatch(lyxaction.lookupFunc(rest));
1335                         break;
1336                 }
1337
1338                 case LFUN_COMMAND_SEQUENCE: {
1339                         // argument contains ';'-terminated commands
1340                         string arg = argument;
1341                         while (!arg.empty()) {
1342                                 string first;
1343                                 arg = split(arg, first, ';');
1344                                 FuncRequest func(lyxaction.lookupFunc(first));
1345                                 func.origin = cmd.origin;
1346                                 dispatch(func);
1347                         }
1348                         break;
1349                 }
1350
1351                 case LFUN_PREFERENCES_SAVE: {
1352                         support::Path p(package().user_support());
1353                         lyxrc.write("preferences", false);
1354                         break;
1355                 }
1356
1357                 case LFUN_SCREEN_FONT_UPDATE:
1358                         // handle the screen font changes.
1359                         lyxrc.set_font_norm_type();
1360                         theFontLoader().update();
1361                         // All visible buffers will need resize
1362                         view()->resize();
1363                         break;
1364
1365                 case LFUN_SET_COLOR: {
1366                         string lyx_name;
1367                         string const x11_name = split(argument, lyx_name, ' ');
1368                         if (lyx_name.empty() || x11_name.empty()) {
1369                                 setErrorMessage(_("Syntax: set-color <lyx_name>"
1370                                                         " <x11_name>"));
1371                                 break;
1372                         }
1373
1374                         bool const graphicsbg_changed =
1375                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1376                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1377
1378                         if (!lcolor.setColor(lyx_name, x11_name)) {
1379                                 setErrorMessage(
1380                                                 bformat(_("Set-color \"%1$s\" failed "
1381                                                                        "- color is undefined or "
1382                                                                        "may not be redefined"),
1383                                                                            from_utf8(lyx_name)));
1384                                 break;
1385                         }
1386
1387                         theApp->updateColor(lcolor.getFromLyXName(lyx_name));
1388
1389                         if (graphicsbg_changed) {
1390 #ifdef WITH_WARNINGS
1391 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1392 #endif
1393 #if 0
1394                                 graphics::GCache::get().changeDisplay(true);
1395 #endif
1396                         }
1397                         break;
1398                 }
1399
1400                 case LFUN_MESSAGE:
1401                         lyx_view_->message(from_utf8(argument));
1402                         break;
1403
1404                 case LFUN_EXTERNAL_EDIT: {
1405                         FuncRequest fr(action, argument);
1406                         InsetExternal().dispatch(view()->cursor(), fr);
1407                         break;
1408                 }
1409
1410                 case LFUN_GRAPHICS_EDIT: {
1411                         FuncRequest fr(action, argument);
1412                         InsetGraphics().dispatch(view()->cursor(), fr);
1413                         break;
1414                 }
1415
1416                 case LFUN_INSET_APPLY: {
1417                         string const name = cmd.getArg(0);
1418                         InsetBase * inset = lyx_view_->getDialogs().getOpenInset(name);
1419                         if (inset) {
1420                                 FuncRequest fr(LFUN_INSET_MODIFY, argument);
1421                                 inset->dispatch(view()->cursor(), fr);
1422                         } else {
1423                                 FuncRequest fr(LFUN_INSET_INSERT, argument);
1424                                 dispatch(fr);
1425                         }
1426                         // ideally, the update flag should be set by the insets,
1427                         // but this is not possible currently
1428                         updateforce = true;
1429                         break;
1430                 }
1431
1432                 case LFUN_ALL_INSETS_TOGGLE: {
1433                         string action;
1434                         string const name = split(argument, action, ' ');
1435                         InsetBase::Code const inset_code =
1436                                 InsetBase::translate(name);
1437
1438                         LCursor & cur = view()->cursor();
1439                         FuncRequest fr(LFUN_INSET_TOGGLE, action);
1440
1441                         InsetBase & inset = lyx_view_->buffer()->inset();
1442                         InsetIterator it  = inset_iterator_begin(inset);
1443                         InsetIterator const end = inset_iterator_end(inset);
1444                         for (; it != end; ++it) {
1445                                 if (inset_code == InsetBase::NO_CODE
1446                                     || inset_code == it->lyxCode()) {
1447                                         LCursor tmpcur = cur;
1448                                         tmpcur.pushLeft(*it);
1449                                         it->dispatch(tmpcur, fr);
1450                                 }
1451                         }
1452                         updateforce = true;
1453                         break;
1454                 }
1455
1456                 case LFUN_BUFFER_LANGUAGE: {
1457                         Buffer & buffer = *lyx_view_->buffer();
1458                         Language const * oldL = buffer.params().language;
1459                         Language const * newL = languages.getLanguage(argument);
1460                         if (!newL || oldL == newL)
1461                                 break;
1462
1463                         if (oldL->rightToLeft() == newL->rightToLeft()
1464                             && !buffer.isMultiLingual())
1465                                 buffer.changeLanguage(oldL, newL);
1466                         else
1467                                 buffer.updateDocLang(newL);
1468                         break;
1469                 }
1470
1471                 case LFUN_BUFFER_SAVE_AS_DEFAULT: {
1472                         string const fname =
1473                                 addName(addPath(package().user_support(), "templates/"),
1474                                         "defaults.lyx");
1475                         Buffer defaults(fname);
1476
1477                         istringstream ss(argument);
1478                         LyXLex lex(0,0);
1479                         lex.setStream(ss);
1480                         int const unknown_tokens = defaults.readHeader(lex);
1481
1482                         if (unknown_tokens != 0) {
1483                                 lyxerr << "Warning in LFUN_BUFFER_SAVE_AS_DEFAULT!\n"
1484                                        << unknown_tokens << " unknown token"
1485                                        << (unknown_tokens == 1 ? "" : "s")
1486                                        << endl;
1487                         }
1488
1489                         if (defaults.writeFile(defaults.fileName()))
1490                                 // FIXME Should use bformat
1491                                 setMessage(_("Document defaults saved in ")
1492                                            + makeDisplayPath(fname));
1493                         else
1494                                 setErrorMessage(_("Unable to save document defaults"));
1495                         break;
1496                 }
1497
1498                 case LFUN_BUFFER_PARAMS_APPLY: {
1499                         biblio::CiteEngine const engine =
1500                                 lyx_view_->buffer()->params().cite_engine;
1501
1502                         istringstream ss(argument);
1503                         LyXLex lex(0,0);
1504                         lex.setStream(ss);
1505                         int const unknown_tokens =
1506                                 lyx_view_->buffer()->readHeader(lex);
1507
1508                         if (unknown_tokens != 0) {
1509                                 lyxerr << "Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1510                                        << unknown_tokens << " unknown token"
1511                                        << (unknown_tokens == 1 ? "" : "s")
1512                                        << endl;
1513                         }
1514                         if (engine == lyx_view_->buffer()->params().cite_engine)
1515                                 break;
1516
1517                         LCursor & cur = view()->cursor();
1518                         FuncRequest fr(LFUN_INSET_REFRESH);
1519
1520                         InsetBase & inset = lyx_view_->buffer()->inset();
1521                         InsetIterator it  = inset_iterator_begin(inset);
1522                         InsetIterator const end = inset_iterator_end(inset);
1523                         for (; it != end; ++it)
1524                                 if (it->lyxCode() == InsetBase::CITE_CODE)
1525                                         it->dispatch(cur, fr);
1526                         break;
1527                 }
1528
1529                 case LFUN_TEXTCLASS_APPLY: {
1530                         Buffer * buffer = lyx_view_->buffer();
1531
1532                         textclass_type const old_class =
1533                                 buffer->params().textclass;
1534
1535                         loadTextclass(argument);
1536
1537                         std::pair<bool, textclass_type> const tc_pair =
1538                                 textclasslist.numberOfClass(argument);
1539
1540                         if (!tc_pair.first)
1541                                 break;
1542
1543                         textclass_type const new_class = tc_pair.second;
1544                         if (old_class == new_class)
1545                                 // nothing to do
1546                                 break;
1547
1548                         lyx_view_->message(_("Converting document to new document class..."));
1549                         recordUndoFullDocument(view());
1550                         buffer->params().textclass = new_class;
1551                         StableDocIterator backcur(view()->cursor());
1552                         ErrorList & el = buffer->errorList("Class Switch");
1553                         cap::switchBetweenClasses(
1554                                 old_class, new_class,
1555                                 static_cast<InsetText &>(buffer->inset()), el);
1556
1557                         view()->setCursor(backcur.asDocIterator(&(buffer->inset())));
1558
1559                         buffer->errors("Class Switch");
1560                         updateLabels(*buffer);
1561                         updateforce = true;
1562                         break;
1563                 }
1564
1565                 case LFUN_TEXTCLASS_LOAD:
1566                         loadTextclass(argument);
1567                         break;
1568
1569                 case LFUN_LYXRC_APPLY: {
1570                         LyXRC const lyxrc_orig = lyxrc;
1571
1572                         istringstream ss(argument);
1573                         bool const success = lyxrc.read(ss) == 0;
1574
1575                         if (!success) {
1576                                 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1577                                        << "Unable to read lyxrc data"
1578                                        << endl;
1579                                 break;
1580                         }
1581
1582                         actOnUpdatedPrefs(lyxrc_orig, lyxrc);
1583                         break;
1584                 }
1585
1586                 case LFUN_WINDOW_NEW:
1587                         BOOST_ASSERT(theApp);
1588                         LyX::ref().newLyXView();
1589
1590                 default: {
1591                         view()->cursor().dispatch(cmd);
1592                         update = false;
1593                         updateforce |= view()->cursor().result().update();
1594                         if (!view()->cursor().result().dispatched())
1595                                 updateforce |= view()->dispatch(cmd);
1596                         break;
1597                 }
1598                 }
1599
1600                 if (view()->buffer()) {
1601                         // Redraw screen unless explicitly told otherwise.
1602                         // This also initializes the position cache for all insets
1603                         // in (at least partially) visible top-level paragraphs.
1604                         if (updateforce)
1605                                 view()->update(Update::FitCursor | Update::Force);
1606                         else if (update)
1607                                 view()->update(Update::FitCursor);
1608
1609                         lyx_view_->redrawWorkArea();
1610
1611                         // if we executed a mutating lfun, mark the buffer as dirty
1612                         if (flag.enabled()
1613                             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)
1614                             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly))
1615                                 view()->buffer()->markDirty();
1616
1617                         if (view()->cursor().inTexted()) {
1618                                 lyx_view_->updateLayoutChoice();
1619                         }
1620                 }
1621         }
1622         if (!quitting)
1623                 // FIXME UNICODE: _() does not support anything but ascii.
1624                 // Do we need a to_ascii() method?
1625                 sendDispatchMessage(getMessage(), cmd);
1626 }
1627
1628
1629 void LyXFunc::sendDispatchMessage(docstring const & msg, FuncRequest const & cmd)
1630 {
1631         /* When an action did not originate from the UI/kbd, it makes
1632          * sense to avoid updating the GUI. It turns out that this
1633          * fixes bug 1941, for reasons that are described here:
1634          * http://bugzilla.lyx.org/show_bug.cgi?id=1941#c4
1635          */
1636         if (cmd.origin != FuncRequest::INTERNAL) {
1637                 lyx_view_->updateMenubar();
1638                 lyx_view_->updateToolbars();
1639         }
1640
1641         const bool verbose = (cmd.origin == FuncRequest::UI
1642                               || cmd.origin == FuncRequest::COMMANDBUFFER);
1643
1644         if (cmd.action == LFUN_SELF_INSERT || !verbose) {
1645                 lyxerr[Debug::ACTION] << "dispatch msg is " << to_utf8(msg) << endl;
1646                 if (!msg.empty())
1647                         lyx_view_->message(msg);
1648                 return;
1649         }
1650
1651         docstring dispatch_msg = msg;
1652         if (!dispatch_msg.empty())
1653                 dispatch_msg += ' ';
1654
1655         string comname = lyxaction.getActionName(cmd.action);
1656
1657         bool argsadded = false;
1658
1659         if (!cmd.argument().empty()) {
1660                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1661                         comname += ' ' + to_utf8(cmd.argument());
1662                         argsadded = true;
1663                 }
1664         }
1665
1666         string const shortcuts = theTopLevelKeymap().printbindings(cmd);
1667
1668         if (!shortcuts.empty())
1669                 comname += ": " + shortcuts;
1670         else if (!argsadded && !cmd.argument().empty())
1671                 comname += ' ' + to_utf8(cmd.argument());
1672
1673         if (!comname.empty()) {
1674                 comname = rtrim(comname);
1675                 dispatch_msg += from_utf8('(' + rtrim(comname) + ')');
1676         }
1677
1678         lyxerr[Debug::ACTION] << "verbose dispatch msg "
1679                 << to_utf8(dispatch_msg) << endl;
1680         if (!dispatch_msg.empty())
1681                 lyx_view_->message(dispatch_msg);
1682 }
1683
1684
1685 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1686 {
1687         string initpath = lyxrc.document_path;
1688         string filename(name);
1689
1690         if (view()->buffer()) {
1691                 string const trypath = lyx_view_->buffer()->filePath();
1692                 // If directory is writeable, use this as default.
1693                 if (isDirWriteable(trypath))
1694                         initpath = trypath;
1695         }
1696
1697         static int newfile_number;
1698
1699         if (filename.empty()) {
1700                 filename = addName(lyxrc.document_path,
1701                             "newfile" + convert<string>(++newfile_number) + ".lyx");
1702                 while (theBufferList().exists(filename) || fs::is_readable(filename)) {
1703                         ++newfile_number;
1704                         filename = addName(lyxrc.document_path,
1705                                            "newfile" +  convert<string>(newfile_number) +
1706                                     ".lyx");
1707                 }
1708         }
1709
1710         // The template stuff
1711         string templname;
1712         if (fromTemplate) {
1713                 FileDialog fileDlg(_("Select template file"),
1714                         LFUN_SELECT_FILE_SYNC,
1715                         make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
1716                         make_pair(_("Templates|#T#t"), from_utf8(lyxrc.template_path)));
1717
1718                 FileDialog::Result result =
1719                         fileDlg.open(from_utf8(lyxrc.template_path),
1720                                      FileFilterList(_("LyX Documents (*.lyx)")),
1721                                      docstring());
1722
1723                 if (result.first == FileDialog::Later)
1724                         return;
1725                 if (result.second.empty())
1726                         return;
1727                 templname = to_utf8(result.second);
1728         }
1729
1730         Buffer * const b = newFile(filename, templname, !name.empty());
1731         if (b)
1732                 lyx_view_->setBuffer(b);
1733 }
1734
1735
1736 void LyXFunc::open(string const & fname)
1737 {
1738         string initpath = lyxrc.document_path;
1739
1740         if (view()->buffer()) {
1741                 string const trypath = lyx_view_->buffer()->filePath();
1742                 // If directory is writeable, use this as default.
1743                 if (isDirWriteable(trypath))
1744                         initpath = trypath;
1745         }
1746
1747         string filename;
1748
1749         if (fname.empty()) {
1750                 FileDialog fileDlg(_("Select document to open"),
1751                         LFUN_FILE_OPEN,
1752                         make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
1753                         make_pair(_("Examples|#E#e"), from_utf8(addPath(package().system_support(), "examples"))));
1754
1755                 FileDialog::Result result =
1756                         fileDlg.open(from_utf8(initpath),
1757                                      FileFilterList(_("LyX Documents (*.lyx)")),
1758                                      docstring());
1759
1760                 if (result.first == FileDialog::Later)
1761                         return;
1762
1763                 filename = to_utf8(result.second);
1764
1765                 // check selected filename
1766                 if (filename.empty()) {
1767                         lyx_view_->message(_("Canceled."));
1768                         return;
1769                 }
1770         } else
1771                 filename = fname;
1772
1773         // get absolute path of file and add ".lyx" to the filename if
1774         // necessary
1775         string const fullpath = fileSearch(string(), filename, "lyx");
1776         if (!fullpath.empty()) {
1777                 filename = fullpath;
1778         }
1779
1780         docstring const disp_fn = makeDisplayPath(filename);
1781
1782         // if the file doesn't exist, let the user create one
1783         if (!fs::exists(filename)) {
1784                 // the user specifically chose this name. Believe him.
1785                 Buffer * const b = newFile(filename, string(), true);
1786                 if (b)
1787                         lyx_view_->setBuffer(b);
1788                 return;
1789         }
1790
1791         lyx_view_->message(bformat(_("Opening document %1$s..."), disp_fn));
1792
1793         docstring str2;
1794         if (lyx_view_->loadLyXFile(filename)) {
1795                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1796         } else {
1797                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1798         }
1799         lyx_view_->message(str2);
1800 }
1801
1802
1803 void LyXFunc::doImport(string const & argument)
1804 {
1805         string format;
1806         string filename = split(argument, format, ' ');
1807
1808         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1809                             << " file: " << filename << endl;
1810
1811         // need user interaction
1812         if (filename.empty()) {
1813                 string initpath = lyxrc.document_path;
1814
1815                 if (view()->buffer()) {
1816                         string const trypath = lyx_view_->buffer()->filePath();
1817                         // If directory is writeable, use this as default.
1818                         if (isDirWriteable(trypath))
1819                                 initpath = trypath;
1820                 }
1821
1822                 docstring const text = bformat(_("Select %1$s file to import"),
1823                         formats.prettyName(format));
1824
1825                 FileDialog fileDlg(text,
1826                         LFUN_BUFFER_IMPORT,
1827                         make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
1828                         make_pair(_("Examples|#E#e"),
1829                                   from_utf8(addPath(package().system_support(), "examples"))));
1830
1831                 docstring filter = formats.prettyName(format);
1832                 filter += " (*.";
1833                 // FIXME UNICODE
1834                 filter += from_utf8(formats.extension(format));
1835                 filter += ')';
1836
1837                 FileDialog::Result result =
1838                         fileDlg.open(from_utf8(initpath),
1839                                      FileFilterList(filter),
1840                                      docstring());
1841
1842                 if (result.first == FileDialog::Later)
1843                         return;
1844
1845                 filename = to_utf8(result.second);
1846
1847                 // check selected filename
1848                 if (filename.empty())
1849                         lyx_view_->message(_("Canceled."));
1850         }
1851
1852         if (filename.empty())
1853                 return;
1854
1855         // get absolute path of file
1856         filename = makeAbsPath(filename);
1857
1858         string const lyxfile = changeExtension(filename, ".lyx");
1859
1860         // Check if the document already is open
1861         if (use_gui && theBufferList().exists(lyxfile)) {
1862                 if (!theBufferList().close(theBufferList().getBuffer(lyxfile), true)) {
1863                         lyx_view_->message(_("Canceled."));
1864                         return;
1865                 }
1866         }
1867
1868         // if the file exists already, and we didn't do
1869         // -i lyx thefile.lyx, warn
1870         if (fs::exists(lyxfile) && filename != lyxfile) {
1871                 docstring const file = makeDisplayPath(lyxfile, 30);
1872
1873                 docstring text = bformat(_("The document %1$s already exists.\n\n"
1874                                                      "Do you want to over-write that document?"), file);
1875                 int const ret = Alert::prompt(_("Over-write document?"),
1876                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1877
1878                 if (ret == 1) {
1879                         lyx_view_->message(_("Canceled."));
1880                         return;
1881                 }
1882         }
1883
1884         ErrorList errorList;
1885         Importer::Import(lyx_view_, filename, format, errorList);
1886         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
1887 }
1888
1889
1890 void LyXFunc::closeBuffer()
1891 {
1892         // save current cursor position
1893         LyX::ref().session().saveFilePosition(lyx_view_->buffer()->fileName(),
1894                 boost::tie(view()->cursor().pit(), view()->cursor().pos()) );
1895         if (theBufferList().close(lyx_view_->buffer(), true) && !quitting) {
1896                 if (theBufferList().empty()) {
1897                         // need this otherwise SEGV may occur while
1898                         // trying to set variables that don't exist
1899                         // since there's no current buffer
1900                         lyx_view_->getDialogs().hideBufferDependent();
1901                 } else {
1902                         lyx_view_->setBuffer(theBufferList().first());
1903                 }
1904         }
1905 }
1906
1907
1908 // Each "lyx_view_" should have it's own message method. lyxview and
1909 // the minibuffer would use the minibuffer, but lyxserver would
1910 // send an ERROR signal to its client.  Alejandro 970603
1911 // This function is bit problematic when it comes to NLS, to make the
1912 // lyx servers client be language indepenent we must not translate
1913 // strings sent to this func.
1914 void LyXFunc::setErrorMessage(docstring const & m) const
1915 {
1916         dispatch_buffer = m;
1917         errorstat = true;
1918 }
1919
1920
1921 void LyXFunc::setMessage(docstring const & m) const
1922 {
1923         dispatch_buffer = m;
1924 }
1925
1926
1927 string const LyXFunc::viewStatusMessage()
1928 {
1929         // When meta-fake key is pressed, show the key sequence so far + "M-".
1930         if (wasMetaKey())
1931                 return keyseq->print() + "M-";
1932
1933         // Else, when a non-complete key sequence is pressed,
1934         // show the available options.
1935         if (keyseq->length() > 0 && !keyseq->deleted())
1936                 return keyseq->printOptions();
1937
1938         if (!view()->buffer())
1939                 return to_utf8(_("Welcome to LyX!"));
1940
1941         return view()->cursor().currentState();
1942 }
1943
1944
1945 BufferView * LyXFunc::view() const
1946 {
1947         BOOST_ASSERT(lyx_view_);
1948         return lyx_view_->view();
1949 }
1950
1951
1952 bool LyXFunc::wasMetaKey() const
1953 {
1954         return (meta_fake_bit != key_modifier::none);
1955 }
1956
1957
1958 namespace {
1959
1960 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
1961 {
1962         // Why the switch you might ask. It is a trick to ensure that all
1963         // the elements in the LyXRCTags enum is handled. As you can see
1964         // there are no breaks at all. So it is just a huge fall-through.
1965         // The nice thing is that we will get a warning from the compiler
1966         // if we forget an element.
1967         LyXRC::LyXRCTags tag = LyXRC::RC_LAST;
1968         switch (tag) {
1969         case LyXRC::RC_ACCEPT_COMPOUND:
1970         case LyXRC::RC_ALT_LANG:
1971         case LyXRC::RC_ASCIIROFF_COMMAND:
1972         case LyXRC::RC_ASCII_LINELEN:
1973         case LyXRC::RC_AUTOREGIONDELETE:
1974         case LyXRC::RC_AUTORESET_OPTIONS:
1975         case LyXRC::RC_AUTOSAVE:
1976         case LyXRC::RC_AUTO_NUMBER:
1977         case LyXRC::RC_BACKUPDIR_PATH:
1978         case LyXRC::RC_BIBTEX_COMMAND:
1979         case LyXRC::RC_BINDFILE:
1980         case LyXRC::RC_CHECKLASTFILES:
1981         case LyXRC::RC_USELASTFILEPOS:
1982         case LyXRC::RC_LOADSESSION:
1983         case LyXRC::RC_CHKTEX_COMMAND:
1984         case LyXRC::RC_CONVERTER:
1985         case LyXRC::RC_COPIER:
1986         case LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR:
1987         case LyXRC::RC_CUSTOM_EXPORT_COMMAND:
1988         case LyXRC::RC_CUSTOM_EXPORT_FORMAT:
1989         case LyXRC::RC_DATE_INSERT_FORMAT:
1990         case LyXRC::RC_DEFAULT_LANGUAGE:
1991         case LyXRC::RC_DEFAULT_PAPERSIZE:
1992         case LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN:
1993         case LyXRC::RC_DISPLAY_GRAPHICS:
1994         case LyXRC::RC_DOCUMENTPATH:
1995                 if (lyxrc_orig.document_path != lyxrc_new.document_path) {
1996                         if (fs::exists(lyxrc_new.document_path) &&
1997                             fs::is_directory(lyxrc_new.document_path)) {
1998                                 support::package().document_dir() = lyxrc.document_path;
1999                         }
2000                 }
2001         case LyXRC::RC_ESC_CHARS:
2002         case LyXRC::RC_FONT_ENCODING:
2003         case LyXRC::RC_FORMAT:
2004         case LyXRC::RC_INDEX_COMMAND:
2005         case LyXRC::RC_INPUT:
2006         case LyXRC::RC_KBMAP:
2007         case LyXRC::RC_KBMAP_PRIMARY:
2008         case LyXRC::RC_KBMAP_SECONDARY:
2009         case LyXRC::RC_LABEL_INIT_LENGTH:
2010         case LyXRC::RC_LANGUAGE_AUTO_BEGIN:
2011         case LyXRC::RC_LANGUAGE_AUTO_END:
2012         case LyXRC::RC_LANGUAGE_COMMAND_BEGIN:
2013         case LyXRC::RC_LANGUAGE_COMMAND_END:
2014         case LyXRC::RC_LANGUAGE_COMMAND_LOCAL:
2015         case LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS:
2016         case LyXRC::RC_LANGUAGE_PACKAGE:
2017         case LyXRC::RC_LANGUAGE_USE_BABEL:
2018         case LyXRC::RC_MAKE_BACKUP:
2019         case LyXRC::RC_MARK_FOREIGN_LANGUAGE:
2020         case LyXRC::RC_NUMLASTFILES:
2021         case LyXRC::RC_PATH_PREFIX:
2022                 if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
2023                         support::prependEnvPath("PATH", lyxrc.path_prefix);
2024                 }
2025         case LyXRC::RC_PERS_DICT:
2026         case LyXRC::RC_POPUP_BOLD_FONT:
2027         case LyXRC::RC_POPUP_FONT_ENCODING:
2028         case LyXRC::RC_POPUP_NORMAL_FONT:
2029         case LyXRC::RC_PREVIEW:
2030         case LyXRC::RC_PREVIEW_HASHED_LABELS:
2031         case LyXRC::RC_PREVIEW_SCALE_FACTOR:
2032         case LyXRC::RC_PRINTCOLLCOPIESFLAG:
2033         case LyXRC::RC_PRINTCOPIESFLAG:
2034         case LyXRC::RC_PRINTER:
2035         case LyXRC::RC_PRINTEVENPAGEFLAG:
2036         case LyXRC::RC_PRINTEXSTRAOPTIONS:
2037         case LyXRC::RC_PRINTFILEEXTENSION:
2038         case LyXRC::RC_PRINTLANDSCAPEFLAG:
2039         case LyXRC::RC_PRINTODDPAGEFLAG:
2040         case LyXRC::RC_PRINTPAGERANGEFLAG:
2041         case LyXRC::RC_PRINTPAPERDIMENSIONFLAG:
2042         case LyXRC::RC_PRINTPAPERFLAG:
2043         case LyXRC::RC_PRINTREVERSEFLAG:
2044         case LyXRC::RC_PRINTSPOOL_COMMAND:
2045         case LyXRC::RC_PRINTSPOOL_PRINTERPREFIX:
2046         case LyXRC::RC_PRINTTOFILE:
2047         case LyXRC::RC_PRINTTOPRINTER:
2048         case LyXRC::RC_PRINT_ADAPTOUTPUT:
2049         case LyXRC::RC_PRINT_COMMAND:
2050         case LyXRC::RC_RTL_SUPPORT:
2051         case LyXRC::RC_SCREEN_DPI:
2052         case LyXRC::RC_SCREEN_FONT_ENCODING:
2053         case LyXRC::RC_SCREEN_FONT_ROMAN:
2054         case LyXRC::RC_SCREEN_FONT_ROMAN_FOUNDRY:
2055         case LyXRC::RC_SCREEN_FONT_SANS:
2056         case LyXRC::RC_SCREEN_FONT_SANS_FOUNDRY:
2057         case LyXRC::RC_SCREEN_FONT_SCALABLE:
2058         case LyXRC::RC_SCREEN_FONT_SIZES:
2059         case LyXRC::RC_SCREEN_FONT_TYPEWRITER:
2060         case LyXRC::RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
2061         case LyXRC::RC_SCREEN_GEOMETRY_HEIGHT:
2062         case LyXRC::RC_SCREEN_GEOMETRY_WIDTH:
2063         case LyXRC::RC_SCREEN_GEOMETRY_XYSAVED:
2064         case LyXRC::RC_SCREEN_ZOOM:
2065         case LyXRC::RC_SERVERPIPE:
2066         case LyXRC::RC_SET_COLOR:
2067         case LyXRC::RC_SHOW_BANNER:
2068         case LyXRC::RC_SPELL_COMMAND:
2069         case LyXRC::RC_TEMPDIRPATH:
2070         case LyXRC::RC_TEMPLATEPATH:
2071         case LyXRC::RC_TEX_ALLOWS_SPACES:
2072         case LyXRC::RC_TEX_EXPECTS_WINDOWS_PATHS:
2073                 if (lyxrc_orig.windows_style_tex_paths != lyxrc_new.windows_style_tex_paths) {
2074                         support::os::windows_style_tex_paths(lyxrc_new.windows_style_tex_paths);
2075                 }
2076         case LyXRC::RC_UIFILE:
2077         case LyXRC::RC_USER_EMAIL:
2078         case LyXRC::RC_USER_NAME:
2079         case LyXRC::RC_USETEMPDIR:
2080         case LyXRC::RC_USE_ALT_LANG:
2081         case LyXRC::RC_USE_ESC_CHARS:
2082         case LyXRC::RC_USE_INP_ENC:
2083         case LyXRC::RC_USE_PERS_DICT:
2084         case LyXRC::RC_USE_SPELL_LIB:
2085         case LyXRC::RC_VIEWDVI_PAPEROPTION:
2086         case LyXRC::RC_VIEWER:
2087         case LyXRC::RC_LAST:
2088                 break;
2089         }
2090 }
2091
2092 } // namespace anon
2093
2094
2095 } // namespace lyx