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         Update::flags updateFlags = Update::FitCursor;
 733
 734         FuncStatus const flag = getStatus(cmd);
 735         if (!flag.enabled()) {
 736                 // We cannot use this function here
 737                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 738                        << lyxaction.getActionName(action)
 739                        << " [" << action << "] is disabled at this location"
 740                        << endl;
 741                 setErrorMessage(flag.message());
 742         } else {
 743                 switch (action) {
 744
 745                 case LFUN_WORD_FIND_FORWARD:
 746                 case LFUN_WORD_FIND_BACKWARD: {
 747                         static string last_search;
 748                         string searched_string;
 749
 750                         if (!argument.empty()) {
 751                                 last_search = argument;
 752                                 searched_string = argument;
 753                         } else {
 754                                 searched_string = last_search;
 755                         }
 756
 757                         if (searched_string.empty())
 758                                 break;
 759
 760                         bool const fw = action == LFUN_WORD_FIND_FORWARD;
 761                         string const data =
 762                                 find2string(searched_string, true, false, fw);
 763                         find(view(), FuncRequest(LFUN_WORD_FIND, data));
 764                         break;
 765                 }
 766
 767                 case LFUN_COMMAND_PREFIX:
 768                         lyx_view_->message(from_utf8(keyseq->printOptions()));
 769                         break;
 770
 771                 case LFUN_COMMAND_EXECUTE:
 772                         lyx_view_->getToolbars().display("minibuffer", true);
 773                         lyx_view_->focus_command_buffer();
 774                         break;
 775
 776                 case LFUN_CANCEL:
 777                         keyseq->reset();
 778                         meta_fake_bit = key_modifier::none;
 779                         if (view()->buffer())
 780                                 // cancel any selection
 781                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 782                         setMessage(_("Cancel"));
 783                         break;
 784
 785                 case LFUN_META_PREFIX:
 786                         meta_fake_bit = key_modifier::alt;
 787                         setMessage(from_utf8(keyseq->print()));
 788                         break;
 789
 790                 case LFUN_BUFFER_TOGGLE_READ_ONLY:
 791                         if (lyx_view_->buffer()->lyxvc().inUse())
 792                                 lyx_view_->buffer()->lyxvc().toggleReadOnly();
 793                         else
 794                                 lyx_view_->buffer()->setReadonly(
 795                                         !lyx_view_->buffer()->isReadonly());
 796                         break;
 797
 798                 // --- Menus -----------------------------------------------
 799                 case LFUN_BUFFER_NEW:
 800                         menuNew(argument, false);
 801                         break;
 802
 803                 case LFUN_BUFFER_NEW_TEMPLATE:
 804                         menuNew(argument, true);
 805                         break;
 806
 807                 case LFUN_BUFFER_CLOSE:
 808                         closeBuffer();
 809                         break;
 810
 811                 case LFUN_BUFFER_WRITE:
 812                         if (!lyx_view_->buffer()->isUnnamed()) {
 813                                 docstring const str = bformat(_("Saving document %1$s..."),
 814                                          makeDisplayPath(lyx_view_->buffer()->fileName()));
 815                                 lyx_view_->message(str);
 816                                 menuWrite(lyx_view_->buffer());
 817                                 lyx_view_->message(str + _(" done."));
 818                         } else
 819                                 writeAs(lyx_view_->buffer());
 820                         updateFlags = Update::None;
 821                         break;
 822
 823                 case LFUN_BUFFER_WRITE_AS:
 824                         writeAs(lyx_view_->buffer(), argument);
 825                         updateFlags = Update::None;
 826                         break;
 827
 828                 case LFUN_BUFFER_RELOAD: {
 829                         docstring const file = makeDisplayPath(view()->buffer()->fileName(), 20);
 830                         docstring text = bformat(_("Any changes will be lost. Are you sure "
 831                                                              "you want to revert to the saved version of the document %1$s?"), file);
 832                         int const ret = Alert::prompt(_("Revert to saved document?"),
 833                                 text, 0, 1, _("&Revert"), _("&Cancel"));
 834
 835                         if (ret == 0)
 836                                 view()->reload();
 837                         break;
 838                 }
 839
 840                 case LFUN_BUFFER_UPDATE:
 841                         Exporter::Export(lyx_view_->buffer(), argument, true);
 842                         break;
 843
 844                 case LFUN_BUFFER_VIEW:
 845                         Exporter::preview(lyx_view_->buffer(), argument);
 846                         break;
 847
 848                 case LFUN_BUILD_PROGRAM:
 849                         Exporter::Export(lyx_view_->buffer(), "program", true);
 850                         break;
 851
 852                 case LFUN_BUFFER_CHKTEX:
 853                         lyx_view_->buffer()->runChktex();
 854                         break;
 855
 856                 case LFUN_BUFFER_EXPORT:
 857                         if (argument == "custom")
 858                                 lyx_view_->getDialogs().show("sendto");
 859                         else {
 860                                 Exporter::Export(lyx_view_->buffer(), argument, false);
 861                         }
 862                         break;
 863
 864                 case LFUN_BUFFER_EXPORT_CUSTOM: {
 865                         string format_name;
 866                         string command = split(argument, format_name, ' ');
 867                         Format const * format = formats.getFormat(format_name);
 868                         if (!format) {
 869                                 lyxerr << "Format \"" << format_name
 870                                        << "\" not recognized!"
 871                                        << std::endl;
 872                                 break;
 873                         }
 874
 875                         Buffer * buffer = lyx_view_->buffer();
 876
 877                         // The name of the file created by the conversion process
 878                         string filename;
 879
 880                         // Output to filename
 881                         if (format->name() == "lyx") {
 882                                 string const latexname =
 883                                         buffer->getLatexName(false);
 884                                 filename = changeExtension(latexname,
 885                                                            format->extension());
 886                                 filename = addName(buffer->temppath(), filename);
 887
 888                                 if (!buffer->writeFile(filename))
 889                                         break;
 890
 891                         } else {
 892                                 Exporter::Export(buffer, format_name, true, filename);
 893                         }
 894
 895                         // Substitute $$FName for filename
 896                         if (!contains(command, "$$FName"))
 897                                 command = "( " + command + " ) < $$FName";
 898                         command = subst(command, "$$FName", filename);
 899
 900                         // Execute the command in the background
 901                         Systemcall call;
 902                         call.startscript(Systemcall::DontWait, command);
 903                         break;
 904                 }
 905
 906                 case LFUN_BUFFER_PRINT: {
 907                         string target;
 908                         string target_name;
 909                         string command = split(split(argument, target, ' '),
 910                                                target_name, ' ');
 911
 912                         if (target.empty()
 913                             || target_name.empty()
 914                             || command.empty()) {
 915                                 lyxerr << "Unable to parse \""
 916                                        << argument << '"' << std::endl;
 917                                 break;
 918                         }
 919                         if (target != "printer" && target != "file") {
 920                                 lyxerr << "Unrecognized target \""
 921                                        << target << '"' << std::endl;
 922                                 break;
 923                         }
 924
 925                         Buffer * buffer = lyx_view_->buffer();
 926
 927                         if (!Exporter::Export(buffer, "dvi", true)) {
 928                                 showPrintError(buffer->fileName());
 929                                 break;
 930                         }
 931
 932                         // Push directory path.
 933                         string const path = buffer->temppath();
 934                         support::Path p(path);
 935
 936                         // there are three cases here:
 937                         // 1. we print to a file
 938                         // 2. we print directly to a printer
 939                         // 3. we print using a spool command (print to file first)
 940                         Systemcall one;
 941                         int res = 0;
 942                         string const dviname =
 943                                 changeExtension(buffer->getLatexName(true),
 944                                                 "dvi");
 945
 946                         if (target == "printer") {
 947                                 if (!lyxrc.print_spool_command.empty()) {
 948                                         // case 3: print using a spool
 949                                         string const psname =
 950                                                 changeExtension(dviname,".ps");
 951                                         command += lyxrc.print_to_file
 952                                                 + quoteName(psname)
 953                                                 + ' '
 954                                                 + quoteName(dviname);
 955
 956                                         string command2 =
 957                                                 lyxrc.print_spool_command +' ';
 958                                         if (target_name != "default") {
 959                                                 command2 += lyxrc.print_spool_printerprefix
 960                                                         + target_name
 961                                                         + ' ';
 962                                         }
 963                                         command2 += quoteName(psname);
 964                                         // First run dvips.
 965                                         // If successful, then spool command
 966                                         res = one.startscript(
 967                                                 Systemcall::Wait,
 968                                                 command);
 969
 970                                         if (res == 0)
 971                                                 res = one.startscript(
 972                                                         Systemcall::DontWait,
 973                                                         command2);
 974                                 } else {
 975                                         // case 2: print directly to a printer
 976                                         res = one.startscript(
 977                                                 Systemcall::DontWait,
 978                                                 command + quoteName(dviname));
 979                                 }
 980
 981                         } else {
 982                                 // case 1: print to a file
 983                                 command += lyxrc.print_to_file
 984                                         + quoteName(makeAbsPath(target_name,
 985                                                                 path))
 986                                         + ' '
 987                                         + quoteName(dviname);
 988                                 res = one.startscript(Systemcall::DontWait,
 989                                                       command);
 990                         }
 991
 992                         if (res != 0)
 993                                 showPrintError(buffer->fileName());
 994                         break;
 995                 }
 996
 997                 case LFUN_BUFFER_IMPORT:
 998                         doImport(argument);
 999                         break;
1000
1001                 case LFUN_LYX_QUIT:
1002                         if (view()->buffer()) {
1003                                 // save cursor Position for opened files to .lyx/session
1004                                 LyX::ref().session().saveFilePosition(lyx_view_->buffer()->fileName(),
1005                                         boost::tie(view()->cursor().pit(), view()->cursor().pos()) );
1006                                 // save bookmarks to .lyx/session
1007                                 view()->saveSavedPositions();
1008                         }
1009                         LyX::ref().quit(argument == "force");
1010                         break;
1011
1012                 case LFUN_TOC_VIEW: {
1013                         InsetCommandParams p("tableofcontents");
1014                         string const data = InsetCommandMailer::params2string("toc", p);
1015                         lyx_view_->getDialogs().show("toc", data, 0);
1016                         break;
1017                 }
1018
1019                 case LFUN_BUFFER_AUTO_SAVE:
1020                         autoSave(view());
1021                         break;
1022
1023                 case LFUN_RECONFIGURE:
1024                         reconfigure(view());
1025                         break;
1026
1027                 case LFUN_HELP_OPEN: {
1028                         string const arg = argument;
1029                         if (arg.empty()) {
1030                                 setErrorMessage(_("Missing argument"));
1031                                 break;
1032                         }
1033                         string const fname = i18nLibFileSearch("doc", arg, "lyx");
1034                         if (fname.empty()) {
1035                                 lyxerr << "LyX: unable to find documentation file `"
1036                                                          << arg << "'. Bad installation?" << endl;
1037                                 break;
1038                         }
1039                         lyx_view_->message(bformat(_("Opening help file %1$s..."),
1040                                 makeDisplayPath(fname)));
1041                         lyx_view_->loadLyXFile(fname, false);
1042                         break;
1043                 }
1044
1045                 // --- version control -------------------------------
1046                 case LFUN_VC_REGISTER:
1047                         if (!ensureBufferClean(view()))
1048                                 break;
1049                         if (!lyx_view_->buffer()->lyxvc().inUse()) {
1050                                 lyx_view_->buffer()->lyxvc().registrer();
1051                                 view()->reload();
1052                         }
1053                         break;
1054
1055                 case LFUN_VC_CHECK_IN:
1056                         if (!ensureBufferClean(view()))
1057                                 break;
1058                         if (lyx_view_->buffer()->lyxvc().inUse()
1059                                         && !lyx_view_->buffer()->isReadonly()) {
1060                                 lyx_view_->buffer()->lyxvc().checkIn();
1061                                 view()->reload();
1062                         }
1063                         break;
1064
1065                 case LFUN_VC_CHECK_OUT:
1066                         if (!ensureBufferClean(view()))
1067                                 break;
1068                         if (lyx_view_->buffer()->lyxvc().inUse()
1069                                         && lyx_view_->buffer()->isReadonly()) {
1070                                 lyx_view_->buffer()->lyxvc().checkOut();
1071                                 view()->reload();
1072                         }
1073                         break;
1074
1075                 case LFUN_VC_REVERT:
1076                         lyx_view_->buffer()->lyxvc().revert();
1077                         view()->reload();
1078                         break;
1079
1080                 case LFUN_VC_UNDO_LAST:
1081                         lyx_view_->buffer()->lyxvc().undoLast();
1082                         view()->reload();
1083                         break;
1084
1085                 // --- buffers ----------------------------------------
1086                 case LFUN_BUFFER_SWITCH:
1087                         lyx_view_->setBuffer(theBufferList().getBuffer(argument));
1088                         break;
1089
1090                 case LFUN_BUFFER_NEXT:
1091                         lyx_view_->setBuffer(theBufferList().next(view()->buffer()));
1092                         break;
1093
1094                 case LFUN_BUFFER_PREVIOUS:
1095                         lyx_view_->setBuffer(theBufferList().previous(view()->buffer()));
1096                         break;
1097
1098                 case LFUN_FILE_NEW:
1099                         newFile(view(), argument);
1100                         break;
1101
1102                 case LFUN_FILE_OPEN:
1103                         open(argument);
1104                         break;
1105
1106                 case LFUN_DROP_LAYOUTS_CHOICE:
1107                         lyx_view_->getToolbars().openLayoutList();
1108                         break;
1109
1110                 case LFUN_MENU_OPEN:
1111                         lyx_view_->getMenubar().openByName(from_utf8(argument));
1112                         break;
1113
1114                 // --- lyxserver commands ----------------------------
1115                 case LFUN_SERVER_GET_NAME:
1116                         setMessage(from_utf8(lyx_view_->buffer()->fileName()));
1117                         lyxerr[Debug::INFO] << "FNAME["
1118                                                          << lyx_view_->buffer()->fileName()
1119                                                          << "] " << endl;
1120                         break;
1121
1122                 case LFUN_SERVER_NOTIFY:
1123                         dispatch_buffer = from_utf8(keyseq->print());
1124                         theLyXServer().notifyClient(to_utf8(dispatch_buffer));
1125                         break;
1126
1127                 case LFUN_SERVER_GOTO_FILE_ROW: {
1128                         string file_name;
1129                         int row;
1130                         istringstream is(argument);
1131                         is >> file_name >> row;
1132                         if (prefixIs(file_name, package().temp_dir())) {
1133                                 // Needed by inverse dvi search. If it is a file
1134                                 // in tmpdir, call the apropriated function
1135                                 lyx_view_->setBuffer(theBufferList().getBufferFromTmp(file_name));
1136                         } else {
1137                                 // Must replace extension of the file to be .lyx
1138                                 // and get full path
1139                                 string const s = changeExtension(file_name, ".lyx");
1140                                 // Either change buffer or load the file
1141                                 if (theBufferList().exists(s)) {
1142                                         lyx_view_->setBuffer(theBufferList().getBuffer(s));
1143                                 } else {
1144                                         lyx_view_->loadLyXFile(s);
1145                                 }
1146                         }
1147
1148                         view()->setCursorFromRow(row);
1149
1150                         view()->center();
1151                         // see BufferView::center()
1152                         break;
1153                 }
1154
1155                 case LFUN_DIALOG_SHOW: {
1156                         string const name = cmd.getArg(0);
1157                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1158
1159                         if (name == "character") {
1160                                 data = freefont2string();
1161                                 if (!data.empty())
1162                                         lyx_view_->getDialogs().show("character", data);
1163                         } else if (name == "latexlog") {
1164                                 pair<Buffer::LogType, string> const logfile =
1165                                         lyx_view_->buffer()->getLogName();
1166                                 switch (logfile.first) {
1167                                 case Buffer::latexlog:
1168                                         data = "latex ";
1169                                         break;
1170                                 case Buffer::buildlog:
1171                                         data = "literate ";
1172                                         break;
1173                                 }
1174                                 data += LyXLex::quoteString(logfile.second);
1175                                 lyx_view_->getDialogs().show("log", data);
1176                         } else if (name == "vclog") {
1177                                 string const data = "vc " +
1178                                         LyXLex::quoteString(lyx_view_->buffer()->lyxvc().getLogFile());
1179                                 lyx_view_->getDialogs().show("log", data);
1180                         } else
1181                                 lyx_view_->getDialogs().show(name, data);
1182                         break;
1183                 }
1184
1185                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1186                         string const name = cmd.getArg(0);
1187                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1188                         if (name == "bibitem" ||
1189                             name == "bibtex" ||
1190                             name == "index" ||
1191                             name == "label" ||
1192                             name == "ref" ||
1193                             name == "toc" ||
1194                             name == "url") {
1195                                 InsetCommandParams p(name);
1196                                 data = InsetCommandMailer::params2string(name, p);
1197                         } else if (name == "include") {
1198                                 InsetCommandParams p(data);
1199                                 data = InsetIncludeMailer::params2string(p);
1200                         } else if (name == "box") {
1201                                 // \c data == "Boxed" || "Frameless" etc
1202                                 InsetBoxParams p(data);
1203                                 data = InsetBoxMailer::params2string(p);
1204                         } else if (name == "branch") {
1205                                 InsetBranchParams p;
1206                                 data = InsetBranchMailer::params2string(p);
1207                         } else if (name == "citation") {
1208                                 InsetCommandParams p("cite");
1209                                 data = InsetCommandMailer::params2string(name, p);
1210                         } else if (name == "ert") {
1211                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1212                         } else if (name == "external") {
1213                                 InsetExternalParams p;
1214                                 Buffer const & buffer = *lyx_view_->buffer();
1215                                 data = InsetExternalMailer::params2string(p, buffer);
1216                         } else if (name == "float") {
1217                                 InsetFloatParams p;
1218                                 data = InsetFloatMailer::params2string(p);
1219                         } else if (name == "graphics") {
1220                                 InsetGraphicsParams p;
1221                                 Buffer const & buffer = *lyx_view_->buffer();
1222                                 data = InsetGraphicsMailer::params2string(p, buffer);
1223                         } else if (name == "note") {
1224                                 InsetNoteParams p;
1225                                 data = InsetNoteMailer::params2string(p);
1226                         } else if (name == "vspace") {
1227                                 VSpace space;
1228                                 data = InsetVSpaceMailer::params2string(space);
1229                         } else if (name == "wrap") {
1230                                 InsetWrapParams p;
1231                                 data = InsetWrapMailer::params2string(p);
1232                         }
1233                         lyx_view_->getDialogs().show(name, data, 0);
1234                         break;
1235                 }
1236
1237                 case LFUN_DIALOG_UPDATE: {
1238                         string const & name = argument;
1239                         // Can only update a dialog connected to an existing inset
1240                         InsetBase * inset = lyx_view_->getDialogs().getOpenInset(name);
1241                         if (inset) {
1242                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument());
1243                                 inset->dispatch(view()->cursor(), fr);
1244                         } else if (name == "paragraph") {
1245                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1246                         } else if (name == "prefs") {
1247                                 lyx_view_->getDialogs().update(name, string());
1248                         }
1249                         break;
1250                 }
1251
1252                 case LFUN_DIALOG_HIDE:
1253                         Dialogs::hide(argument, 0);
1254                         break;
1255
1256                 case LFUN_DIALOG_DISCONNECT_INSET:
1257                         lyx_view_->getDialogs().disconnect(argument);
1258                         break;
1259
1260
1261                 case LFUN_CITATION_INSERT: {
1262                         if (!argument.empty()) {
1263                                 // we can have one optional argument, delimited by '|'
1264                                 // citation-insert <key>|<text_before>
1265                                 // this should be enhanced to also support text_after
1266                                 // and citation style
1267                                 string arg = argument;
1268                                 string opt1;
1269                                 if (contains(argument, "|")) {
1270                                         arg = token(argument, '|', 0);
1271                                         opt1 = '[' + token(argument, '|', 1) + ']';
1272                                 }
1273                                 std::ostringstream os;
1274                                 os << "citation LatexCommand\n"
1275                                    << "\\cite" << opt1 << "{" << arg << "}\n"
1276                                    << "\\end_inset";
1277                                 FuncRequest fr(LFUN_INSET_INSERT, os.str());
1278                                 dispatch(fr);
1279                         } else
1280                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "citation"));
1281                         break;
1282                 }
1283
1284                 case LFUN_BUFFER_CHILD_OPEN: {
1285                         string const filename =
1286                                 makeAbsPath(argument, lyx_view_->buffer()->filePath());
1287                         // FIXME Should use bformat
1288                         setMessage(_("Opening child document ") +
1289                                          makeDisplayPath(filename) + "...");
1290                         view()->savePosition(0);
1291                         string const parentfilename = lyx_view_->buffer()->fileName();
1292                         if (theBufferList().exists(filename))
1293                                 lyx_view_->setBuffer(theBufferList().getBuffer(filename));
1294                         else
1295                                 lyx_view_->loadLyXFile(filename);
1296                         // Set the parent name of the child document.
1297                         // This makes insertion of citations and references in the child work,
1298                         // when the target is in the parent or another child document.
1299                         lyx_view_->buffer()->setParentName(parentfilename);
1300                         break;
1301                 }
1302
1303                 case LFUN_TOGGLE_CURSOR_FOLLOWS_SCROLLBAR:
1304                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1305                         break;
1306
1307                 case LFUN_KEYMAP_OFF:
1308                         lyx_view_->view()->getIntl().keyMapOn(false);
1309                         break;
1310
1311                 case LFUN_KEYMAP_PRIMARY:
1312                         lyx_view_->view()->getIntl().keyMapPrim();
1313                         break;
1314
1315                 case LFUN_KEYMAP_SECONDARY:
1316                         lyx_view_->view()->getIntl().keyMapSec();
1317                         break;
1318
1319                 case LFUN_KEYMAP_TOGGLE:
1320                         lyx_view_->view()->getIntl().toggleKeyMap();
1321                         break;
1322
1323                 case LFUN_REPEAT: {
1324                         // repeat command
1325                         string countstr;
1326                         string rest = split(argument, countstr, ' ');
1327                         istringstream is(countstr);
1328                         int count = 0;
1329                         is >> count;
1330                         lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1331                         for (int i = 0; i < count; ++i)
1332                                 dispatch(lyxaction.lookupFunc(rest));
1333                         break;
1334                 }
1335
1336                 case LFUN_COMMAND_SEQUENCE: {
1337                         // argument contains ';'-terminated commands
1338                         string arg = argument;
1339                         while (!arg.empty()) {
1340                                 string first;
1341                                 arg = split(arg, first, ';');
1342                                 FuncRequest func(lyxaction.lookupFunc(first));
1343                                 func.origin = cmd.origin;
1344                                 dispatch(func);
1345                         }
1346                         break;
1347                 }
1348
1349                 case LFUN_PREFERENCES_SAVE: {
1350                         support::Path p(package().user_support());
1351                         lyxrc.write("preferences", false);
1352                         break;
1353                 }
1354
1355                 case LFUN_SCREEN_FONT_UPDATE:
1356                         // handle the screen font changes.
1357                         lyxrc.set_font_norm_type();
1358                         theFontLoader().update();
1359                         // All visible buffers will need resize
1360                         view()->resize();
1361                         break;
1362
1363                 case LFUN_SET_COLOR: {
1364                         string lyx_name;
1365                         string const x11_name = split(argument, lyx_name, ' ');
1366                         if (lyx_name.empty() || x11_name.empty()) {
1367                                 setErrorMessage(_("Syntax: set-color <lyx_name>"
1368                                                         " <x11_name>"));
1369                                 break;
1370                         }
1371
1372                         bool const graphicsbg_changed =
1373                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1374                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1375
1376                         if (!lcolor.setColor(lyx_name, x11_name)) {
1377                                 setErrorMessage(
1378                                                 bformat(_("Set-color \"%1$s\" failed "
1379                                                                        "- color is undefined or "
1380                                                                        "may not be redefined"),
1381                                                                            from_utf8(lyx_name)));
1382                                 break;
1383                         }
1384
1385                         theApp->updateColor(lcolor.getFromLyXName(lyx_name));
1386
1387                         if (graphicsbg_changed) {
1388 #ifdef WITH_WARNINGS
1389 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1390 #endif
1391 #if 0
1392                                 graphics::GCache::get().changeDisplay(true);
1393 #endif
1394                         }
1395                         break;
1396                 }
1397
1398                 case LFUN_MESSAGE:
1399                         lyx_view_->message(from_utf8(argument));
1400                         break;
1401
1402                 case LFUN_EXTERNAL_EDIT: {
1403                         FuncRequest fr(action, argument);
1404                         InsetExternal().dispatch(view()->cursor(), fr);
1405                         break;
1406                 }
1407
1408                 case LFUN_GRAPHICS_EDIT: {
1409                         FuncRequest fr(action, argument);
1410                         InsetGraphics().dispatch(view()->cursor(), fr);
1411                         break;
1412                 }
1413
1414                 case LFUN_INSET_APPLY: {
1415                         string const name = cmd.getArg(0);
1416                         InsetBase * inset = lyx_view_->getDialogs().getOpenInset(name);
1417                         if (inset) {
1418                                 FuncRequest fr(LFUN_INSET_MODIFY, argument);
1419                                 inset->dispatch(view()->cursor(), fr);
1420                         } else {
1421                                 FuncRequest fr(LFUN_INSET_INSERT, argument);
1422                                 dispatch(fr);
1423                         }
1424                         // ideally, the update flag should be set by the insets,
1425                         // but this is not possible currently
1426                         updateFlags = Update::Force | Update::FitCursor;
1427                         break;
1428                 }
1429
1430                 case LFUN_ALL_INSETS_TOGGLE: {
1431                         string action;
1432                         string const name = split(argument, action, ' ');
1433                         InsetBase::Code const inset_code =
1434                                 InsetBase::translate(name);
1435
1436                         LCursor & cur = view()->cursor();
1437                         FuncRequest fr(LFUN_INSET_TOGGLE, action);
1438
1439                         InsetBase & inset = lyx_view_->buffer()->inset();
1440                         InsetIterator it  = inset_iterator_begin(inset);
1441                         InsetIterator const end = inset_iterator_end(inset);
1442                         for (; it != end; ++it) {
1443                                 if (inset_code == InsetBase::NO_CODE
1444                                     || inset_code == it->lyxCode()) {
1445                                         LCursor tmpcur = cur;
1446                                         tmpcur.pushLeft(*it);
1447                                         it->dispatch(tmpcur, fr);
1448                                 }
1449                         }
1450                         updateFlags = Update::Force | Update::FitCursor;
1451                         break;
1452                 }
1453
1454                 case LFUN_BUFFER_LANGUAGE: {
1455                         Buffer & buffer = *lyx_view_->buffer();
1456                         Language const * oldL = buffer.params().language;
1457                         Language const * newL = languages.getLanguage(argument);
1458                         if (!newL || oldL == newL)
1459                                 break;
1460
1461                         if (oldL->rightToLeft() == newL->rightToLeft()
1462                             && !buffer.isMultiLingual())
1463                                 buffer.changeLanguage(oldL, newL);
1464                         else
1465                                 buffer.updateDocLang(newL);
1466                         break;
1467                 }
1468
1469                 case LFUN_BUFFER_SAVE_AS_DEFAULT: {
1470                         string const fname =
1471                                 addName(addPath(package().user_support(), "templates/"),
1472                                         "defaults.lyx");
1473                         Buffer defaults(fname);
1474
1475                         istringstream ss(argument);
1476                         LyXLex lex(0,0);
1477                         lex.setStream(ss);
1478                         int const unknown_tokens = defaults.readHeader(lex);
1479
1480                         if (unknown_tokens != 0) {
1481                                 lyxerr << "Warning in LFUN_BUFFER_SAVE_AS_DEFAULT!\n"
1482                                        << unknown_tokens << " unknown token"
1483                                        << (unknown_tokens == 1 ? "" : "s")
1484                                        << endl;
1485                         }
1486
1487                         if (defaults.writeFile(defaults.fileName()))
1488                                 // FIXME Should use bformat
1489                                 setMessage(_("Document defaults saved in ")
1490                                            + makeDisplayPath(fname));
1491                         else
1492                                 setErrorMessage(_("Unable to save document defaults"));
1493                         break;
1494                 }
1495
1496                 case LFUN_BUFFER_PARAMS_APPLY: {
1497                         biblio::CiteEngine const engine =
1498                                 lyx_view_->buffer()->params().cite_engine;
1499
1500                         istringstream ss(argument);
1501                         LyXLex lex(0,0);
1502                         lex.setStream(ss);
1503                         int const unknown_tokens =
1504                                 lyx_view_->buffer()->readHeader(lex);
1505
1506                         if (unknown_tokens != 0) {
1507                                 lyxerr << "Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1508                                        << unknown_tokens << " unknown token"
1509                                        << (unknown_tokens == 1 ? "" : "s")
1510                                        << endl;
1511                         }
1512                         if (engine == lyx_view_->buffer()->params().cite_engine)
1513                                 break;
1514
1515                         LCursor & cur = view()->cursor();
1516                         FuncRequest fr(LFUN_INSET_REFRESH);
1517
1518                         InsetBase & inset = lyx_view_->buffer()->inset();
1519                         InsetIterator it  = inset_iterator_begin(inset);
1520                         InsetIterator const end = inset_iterator_end(inset);
1521                         for (; it != end; ++it)
1522                                 if (it->lyxCode() == InsetBase::CITE_CODE)
1523                                         it->dispatch(cur, fr);
1524                         break;
1525                 }
1526
1527                 case LFUN_TEXTCLASS_APPLY: {
1528                         Buffer * buffer = lyx_view_->buffer();
1529
1530                         textclass_type const old_class =
1531                                 buffer->params().textclass;
1532
1533                         loadTextclass(argument);
1534
1535                         std::pair<bool, textclass_type> const tc_pair =
1536                                 textclasslist.numberOfClass(argument);
1537
1538                         if (!tc_pair.first)
1539                                 break;
1540
1541                         textclass_type const new_class = tc_pair.second;
1542                         if (old_class == new_class)
1543                                 // nothing to do
1544                                 break;
1545
1546                         lyx_view_->message(_("Converting document to new document class..."));
1547                         recordUndoFullDocument(view());
1548                         buffer->params().textclass = new_class;
1549                         StableDocIterator backcur(view()->cursor());
1550                         ErrorList & el = buffer->errorList("Class Switch");
1551                         cap::switchBetweenClasses(
1552                                 old_class, new_class,
1553                                 static_cast<InsetText &>(buffer->inset()), el);
1554
1555                         view()->setCursor(backcur.asDocIterator(&(buffer->inset())));
1556
1557                         buffer->errors("Class Switch");
1558                         updateLabels(*buffer);
1559                         updateFlags = Update::Force | Update::FitCursor;
1560                         break;
1561                 }
1562
1563                 case LFUN_TEXTCLASS_LOAD:
1564                         loadTextclass(argument);
1565                         break;
1566
1567                 case LFUN_LYXRC_APPLY: {
1568                         LyXRC const lyxrc_orig = lyxrc;
1569
1570                         istringstream ss(argument);
1571                         bool const success = lyxrc.read(ss) == 0;
1572
1573                         if (!success) {
1574                                 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1575                                        << "Unable to read lyxrc data"
1576                                        << endl;
1577                                 break;
1578                         }
1579
1580                         actOnUpdatedPrefs(lyxrc_orig, lyxrc);
1581                         break;
1582                 }
1583
1584                 case LFUN_WINDOW_NEW:
1585                         BOOST_ASSERT(theApp);
1586                         LyX::ref().newLyXView();
1587
1588                 default: {
1589                         view()->cursor().dispatch(cmd);
1590                         updateFlags = view()->cursor().result().update();
1591                         if (!view()->cursor().result().dispatched())
1592                                 if (view()->dispatch(cmd))
1593                                         updateFlags = Update::Force | Update::FitCursor;
1594                         break;
1595                 }
1596                 }
1597
1598                 if (view()->buffer()) {
1599                         // Redraw screen unless explicitly told otherwise.
1600                         // This also initializes the position cache for all insets
1601                         // in (at least partially) visible top-level paragraphs.
1602                         bool needSecondUpdate = false;
1603                         if (updateFlags != Update::None)
1604                                 view()->update(updateFlags);
1605                         else
1606                                 needSecondUpdate = view()->fitCursor();
1607
1608                         if (needSecondUpdate || updateFlags != Update::None) {
1609                                 view()->buffer()->changed();
1610                         }
1611                         lyx_view_->updateStatusBar();
1612
1613                         // if we executed a mutating lfun, mark the buffer as dirty
1614                         if (flag.enabled()
1615                             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)
1616                             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly))
1617                                 view()->buffer()->markDirty();
1618
1619                         if (view()->cursor().inTexted()) {
1620                                 lyx_view_->updateLayoutChoice();
1621                         }
1622                 }
1623         }
1624         if (!quitting)
1625                 // FIXME UNICODE: _() does not support anything but ascii.
1626                 // Do we need a to_ascii() method?
1627                 sendDispatchMessage(getMessage(), cmd);
1628 }
1629
1630
1631 void LyXFunc::sendDispatchMessage(docstring const & msg, FuncRequest const & cmd)
1632 {
1633         /* When an action did not originate from the UI/kbd, it makes
1634          * sense to avoid updating the GUI. It turns out that this
1635          * fixes bug 1941, for reasons that are described here:
1636          * http://bugzilla.lyx.org/show_bug.cgi?id=1941#c4
1637          */
1638         if (cmd.origin != FuncRequest::INTERNAL) {
1639                 lyx_view_->updateMenubar();
1640                 lyx_view_->updateToolbars();
1641         }
1642
1643         const bool verbose = (cmd.origin == FuncRequest::UI
1644                               || cmd.origin == FuncRequest::COMMANDBUFFER);
1645
1646         if (cmd.action == LFUN_SELF_INSERT || !verbose) {
1647                 lyxerr[Debug::ACTION] << "dispatch msg is " << to_utf8(msg) << endl;
1648                 if (!msg.empty())
1649                         lyx_view_->message(msg);
1650                 return;
1651         }
1652
1653         docstring dispatch_msg = msg;
1654         if (!dispatch_msg.empty())
1655                 dispatch_msg += ' ';
1656
1657         string comname = lyxaction.getActionName(cmd.action);
1658
1659         bool argsadded = false;
1660
1661         if (!cmd.argument().empty()) {
1662                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1663                         comname += ' ' + to_utf8(cmd.argument());
1664                         argsadded = true;
1665                 }
1666         }
1667
1668         string const shortcuts = theTopLevelKeymap().printbindings(cmd);
1669
1670         if (!shortcuts.empty())
1671                 comname += ": " + shortcuts;
1672         else if (!argsadded && !cmd.argument().empty())
1673                 comname += ' ' + to_utf8(cmd.argument());
1674
1675         if (!comname.empty()) {
1676                 comname = rtrim(comname);
1677                 dispatch_msg += from_utf8('(' + rtrim(comname) + ')');
1678         }
1679
1680         lyxerr[Debug::ACTION] << "verbose dispatch msg "
1681                 << to_utf8(dispatch_msg) << endl;
1682         if (!dispatch_msg.empty())
1683                 lyx_view_->message(dispatch_msg);
1684 }
1685
1686
1687 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1688 {
1689         string initpath = lyxrc.document_path;
1690         string filename(name);
1691
1692         if (view()->buffer()) {
1693                 string const trypath = lyx_view_->buffer()->filePath();
1694                 // If directory is writeable, use this as default.
1695                 if (isDirWriteable(trypath))
1696                         initpath = trypath;
1697         }
1698
1699         static int newfile_number;
1700
1701         if (filename.empty()) {
1702                 filename = addName(lyxrc.document_path,
1703                             "newfile" + convert<string>(++newfile_number) + ".lyx");
1704                 while (theBufferList().exists(filename) || fs::is_readable(filename)) {
1705                         ++newfile_number;
1706                         filename = addName(lyxrc.document_path,
1707                                            "newfile" +  convert<string>(newfile_number) +
1708                                     ".lyx");
1709                 }
1710         }
1711
1712         // The template stuff
1713         string templname;
1714         if (fromTemplate) {
1715                 FileDialog fileDlg(_("Select template file"),
1716                         LFUN_SELECT_FILE_SYNC,
1717                         make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
1718                         make_pair(_("Templates|#T#t"), from_utf8(lyxrc.template_path)));
1719
1720                 FileDialog::Result result =
1721                         fileDlg.open(from_utf8(lyxrc.template_path),
1722                                      FileFilterList(_("LyX Documents (*.lyx)")),
1723                                      docstring());
1724
1725                 if (result.first == FileDialog::Later)
1726                         return;
1727                 if (result.second.empty())
1728                         return;
1729                 templname = to_utf8(result.second);
1730         }
1731
1732         Buffer * const b = newFile(filename, templname, !name.empty());
1733         if (b)
1734                 lyx_view_->setBuffer(b);
1735 }
1736
1737
1738 void LyXFunc::open(string const & fname)
1739 {
1740         string initpath = lyxrc.document_path;
1741
1742         if (view()->buffer()) {
1743                 string const trypath = lyx_view_->buffer()->filePath();
1744                 // If directory is writeable, use this as default.
1745                 if (isDirWriteable(trypath))
1746                         initpath = trypath;
1747         }
1748
1749         string filename;
1750
1751         if (fname.empty()) {
1752                 FileDialog fileDlg(_("Select document to open"),
1753                         LFUN_FILE_OPEN,
1754                         make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
1755                         make_pair(_("Examples|#E#e"), from_utf8(addPath(package().system_support(), "examples"))));
1756
1757                 FileDialog::Result result =
1758                         fileDlg.open(from_utf8(initpath),
1759                                      FileFilterList(_("LyX Documents (*.lyx)")),
1760                                      docstring());
1761
1762                 if (result.first == FileDialog::Later)
1763                         return;
1764
1765                 filename = to_utf8(result.second);
1766
1767                 // check selected filename
1768                 if (filename.empty()) {
1769                         lyx_view_->message(_("Canceled."));
1770                         return;
1771                 }
1772         } else
1773                 filename = fname;
1774
1775         // get absolute path of file and add ".lyx" to the filename if
1776         // necessary
1777         string const fullpath = fileSearch(string(), filename, "lyx");
1778         if (!fullpath.empty()) {
1779                 filename = fullpath;
1780         }
1781
1782         docstring const disp_fn = makeDisplayPath(filename);
1783
1784         // if the file doesn't exist, let the user create one
1785         if (!fs::exists(filename)) {
1786                 // the user specifically chose this name. Believe him.
1787                 Buffer * const b = newFile(filename, string(), true);
1788                 if (b)
1789                         lyx_view_->setBuffer(b);
1790                 return;
1791         }
1792
1793         lyx_view_->message(bformat(_("Opening document %1$s..."), disp_fn));
1794
1795         docstring str2;
1796         if (lyx_view_->loadLyXFile(filename)) {
1797                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1798         } else {
1799                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1800         }
1801         lyx_view_->message(str2);
1802 }
1803
1804
1805 void LyXFunc::doImport(string const & argument)
1806 {
1807         string format;
1808         string filename = split(argument, format, ' ');
1809
1810         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1811                             << " file: " << filename << endl;
1812
1813         // need user interaction
1814         if (filename.empty()) {
1815                 string initpath = lyxrc.document_path;
1816
1817                 if (view()->buffer()) {
1818                         string const trypath = lyx_view_->buffer()->filePath();
1819                         // If directory is writeable, use this as default.
1820                         if (isDirWriteable(trypath))
1821                                 initpath = trypath;
1822                 }
1823
1824                 docstring const text = bformat(_("Select %1$s file to import"),
1825                         formats.prettyName(format));
1826
1827                 FileDialog fileDlg(text,
1828                         LFUN_BUFFER_IMPORT,
1829                         make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
1830                         make_pair(_("Examples|#E#e"),
1831                                   from_utf8(addPath(package().system_support(), "examples"))));
1832
1833                 docstring filter = formats.prettyName(format);
1834                 filter += " (*.";
1835                 // FIXME UNICODE
1836                 filter += from_utf8(formats.extension(format));
1837                 filter += ')';
1838
1839                 FileDialog::Result result =
1840                         fileDlg.open(from_utf8(initpath),
1841                                      FileFilterList(filter),
1842                                      docstring());
1843
1844                 if (result.first == FileDialog::Later)
1845                         return;
1846
1847                 filename = to_utf8(result.second);
1848
1849                 // check selected filename
1850                 if (filename.empty())
1851                         lyx_view_->message(_("Canceled."));
1852         }
1853
1854         if (filename.empty())
1855                 return;
1856
1857         // get absolute path of file
1858         filename = makeAbsPath(filename);
1859
1860         string const lyxfile = changeExtension(filename, ".lyx");
1861
1862         // Check if the document already is open
1863         if (use_gui && theBufferList().exists(lyxfile)) {
1864                 if (!theBufferList().close(theBufferList().getBuffer(lyxfile), true)) {
1865                         lyx_view_->message(_("Canceled."));
1866                         return;
1867                 }
1868         }
1869
1870         // if the file exists already, and we didn't do
1871         // -i lyx thefile.lyx, warn
1872         if (fs::exists(lyxfile) && filename != lyxfile) {
1873                 docstring const file = makeDisplayPath(lyxfile, 30);
1874
1875                 docstring text = bformat(_("The document %1$s already exists.\n\n"
1876                                                      "Do you want to over-write that document?"), file);
1877                 int const ret = Alert::prompt(_("Over-write document?"),
1878                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1879
1880                 if (ret == 1) {
1881                         lyx_view_->message(_("Canceled."));
1882                         return;
1883                 }
1884         }
1885
1886         ErrorList errorList;
1887         Importer::Import(lyx_view_, filename, format, errorList);
1888         // FIXME (Abdel 12/08/06): Is there a need to display the error list here?
1889 }
1890
1891
1892 void LyXFunc::closeBuffer()
1893 {
1894         // save current cursor position
1895         LyX::ref().session().saveFilePosition(lyx_view_->buffer()->fileName(),
1896                 boost::tie(view()->cursor().pit(), view()->cursor().pos()) );
1897         if (theBufferList().close(lyx_view_->buffer(), true) && !quitting) {
1898                 if (theBufferList().empty()) {
1899                         // need this otherwise SEGV may occur while
1900                         // trying to set variables that don't exist
1901                         // since there's no current buffer
1902                         lyx_view_->getDialogs().hideBufferDependent();
1903                 } else {
1904                         lyx_view_->setBuffer(theBufferList().first());
1905                 }
1906         }
1907 }
1908
1909
1910 // Each "lyx_view_" should have it's own message method. lyxview and
1911 // the minibuffer would use the minibuffer, but lyxserver would
1912 // send an ERROR signal to its client.  Alejandro 970603
1913 // This function is bit problematic when it comes to NLS, to make the
1914 // lyx servers client be language indepenent we must not translate
1915 // strings sent to this func.
1916 void LyXFunc::setErrorMessage(docstring const & m) const
1917 {
1918         dispatch_buffer = m;
1919         errorstat = true;
1920 }
1921
1922
1923 void LyXFunc::setMessage(docstring const & m) const
1924 {
1925         dispatch_buffer = m;
1926 }
1927
1928
1929 string const LyXFunc::viewStatusMessage()
1930 {
1931         // When meta-fake key is pressed, show the key sequence so far + "M-".
1932         if (wasMetaKey())
1933                 return keyseq->print() + "M-";
1934
1935         // Else, when a non-complete key sequence is pressed,
1936         // show the available options.
1937         if (keyseq->length() > 0 && !keyseq->deleted())
1938                 return keyseq->printOptions();
1939
1940         if (!view()->buffer())
1941                 return to_utf8(_("Welcome to LyX!"));
1942
1943         return view()->cursor().currentState();
1944 }
1945
1946
1947 BufferView * LyXFunc::view() const
1948 {
1949         BOOST_ASSERT(lyx_view_);
1950         return lyx_view_->view();
1951 }
1952
1953
1954 bool LyXFunc::wasMetaKey() const
1955 {
1956         return (meta_fake_bit != key_modifier::none);
1957 }
1958
1959
1960 namespace {
1961
1962 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
1963 {
1964         // Why the switch you might ask. It is a trick to ensure that all
1965         // the elements in the LyXRCTags enum is handled. As you can see
1966         // there are no breaks at all. So it is just a huge fall-through.
1967         // The nice thing is that we will get a warning from the compiler
1968         // if we forget an element.
1969         LyXRC::LyXRCTags tag = LyXRC::RC_LAST;
1970         switch (tag) {
1971         case LyXRC::RC_ACCEPT_COMPOUND:
1972         case LyXRC::RC_ALT_LANG:
1973         case LyXRC::RC_ASCIIROFF_COMMAND:
1974         case LyXRC::RC_ASCII_LINELEN:
1975         case LyXRC::RC_AUTOREGIONDELETE:
1976         case LyXRC::RC_AUTORESET_OPTIONS:
1977         case LyXRC::RC_AUTOSAVE:
1978         case LyXRC::RC_AUTO_NUMBER:
1979         case LyXRC::RC_BACKUPDIR_PATH:
1980         case LyXRC::RC_BIBTEX_COMMAND:
1981         case LyXRC::RC_BINDFILE:
1982         case LyXRC::RC_CHECKLASTFILES:
1983         case LyXRC::RC_USELASTFILEPOS:
1984         case LyXRC::RC_LOADSESSION:
1985         case LyXRC::RC_CHKTEX_COMMAND:
1986         case LyXRC::RC_CONVERTER:
1987         case LyXRC::RC_COPIER:
1988         case LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR:
1989         case LyXRC::RC_CUSTOM_EXPORT_COMMAND:
1990         case LyXRC::RC_CUSTOM_EXPORT_FORMAT:
1991         case LyXRC::RC_DATE_INSERT_FORMAT:
1992         case LyXRC::RC_DEFAULT_LANGUAGE:
1993         case LyXRC::RC_DEFAULT_PAPERSIZE:
1994         case LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN:
1995         case LyXRC::RC_DISPLAY_GRAPHICS:
1996         case LyXRC::RC_DOCUMENTPATH:
1997                 if (lyxrc_orig.document_path != lyxrc_new.document_path) {
1998                         if (fs::exists(lyxrc_new.document_path) &&
1999                             fs::is_directory(lyxrc_new.document_path)) {
2000                                 support::package().document_dir() = lyxrc.document_path;
2001                         }
2002                 }
2003         case LyXRC::RC_ESC_CHARS:
2004         case LyXRC::RC_FONT_ENCODING:
2005         case LyXRC::RC_FORMAT:
2006         case LyXRC::RC_INDEX_COMMAND:
2007         case LyXRC::RC_INPUT:
2008         case LyXRC::RC_KBMAP:
2009         case LyXRC::RC_KBMAP_PRIMARY:
2010         case LyXRC::RC_KBMAP_SECONDARY:
2011         case LyXRC::RC_LABEL_INIT_LENGTH:
2012         case LyXRC::RC_LANGUAGE_AUTO_BEGIN:
2013         case LyXRC::RC_LANGUAGE_AUTO_END:
2014         case LyXRC::RC_LANGUAGE_COMMAND_BEGIN:
2015         case LyXRC::RC_LANGUAGE_COMMAND_END:
2016         case LyXRC::RC_LANGUAGE_COMMAND_LOCAL:
2017         case LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS:
2018         case LyXRC::RC_LANGUAGE_PACKAGE:
2019         case LyXRC::RC_LANGUAGE_USE_BABEL:
2020         case LyXRC::RC_MAKE_BACKUP:
2021         case LyXRC::RC_MARK_FOREIGN_LANGUAGE:
2022         case LyXRC::RC_NUMLASTFILES:
2023         case LyXRC::RC_PATH_PREFIX:
2024                 if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
2025                         support::prependEnvPath("PATH", lyxrc.path_prefix);
2026                 }
2027         case LyXRC::RC_PERS_DICT:
2028         case LyXRC::RC_POPUP_BOLD_FONT:
2029         case LyXRC::RC_POPUP_FONT_ENCODING:
2030         case LyXRC::RC_POPUP_NORMAL_FONT:
2031         case LyXRC::RC_PREVIEW:
2032         case LyXRC::RC_PREVIEW_HASHED_LABELS:
2033         case LyXRC::RC_PREVIEW_SCALE_FACTOR:
2034         case LyXRC::RC_PRINTCOLLCOPIESFLAG:
2035         case LyXRC::RC_PRINTCOPIESFLAG:
2036         case LyXRC::RC_PRINTER:
2037         case LyXRC::RC_PRINTEVENPAGEFLAG:
2038         case LyXRC::RC_PRINTEXSTRAOPTIONS:
2039         case LyXRC::RC_PRINTFILEEXTENSION:
2040         case LyXRC::RC_PRINTLANDSCAPEFLAG:
2041         case LyXRC::RC_PRINTODDPAGEFLAG:
2042         case LyXRC::RC_PRINTPAGERANGEFLAG:
2043         case LyXRC::RC_PRINTPAPERDIMENSIONFLAG:
2044         case LyXRC::RC_PRINTPAPERFLAG:
2045         case LyXRC::RC_PRINTREVERSEFLAG:
2046         case LyXRC::RC_PRINTSPOOL_COMMAND:
2047         case LyXRC::RC_PRINTSPOOL_PRINTERPREFIX:
2048         case LyXRC::RC_PRINTTOFILE:
2049         case LyXRC::RC_PRINTTOPRINTER:
2050         case LyXRC::RC_PRINT_ADAPTOUTPUT:
2051         case LyXRC::RC_PRINT_COMMAND:
2052         case LyXRC::RC_RTL_SUPPORT:
2053         case LyXRC::RC_SCREEN_DPI:
2054         case LyXRC::RC_SCREEN_FONT_ENCODING:
2055         case LyXRC::RC_SCREEN_FONT_ROMAN:
2056         case LyXRC::RC_SCREEN_FONT_ROMAN_FOUNDRY:
2057         case LyXRC::RC_SCREEN_FONT_SANS:
2058         case LyXRC::RC_SCREEN_FONT_SANS_FOUNDRY:
2059         case LyXRC::RC_SCREEN_FONT_SCALABLE:
2060         case LyXRC::RC_SCREEN_FONT_SIZES:
2061         case LyXRC::RC_SCREEN_FONT_TYPEWRITER:
2062         case LyXRC::RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
2063         case LyXRC::RC_SCREEN_GEOMETRY_HEIGHT:
2064         case LyXRC::RC_SCREEN_GEOMETRY_WIDTH:
2065         case LyXRC::RC_SCREEN_GEOMETRY_XYSAVED:
2066         case LyXRC::RC_SCREEN_ZOOM:
2067         case LyXRC::RC_SERVERPIPE:
2068         case LyXRC::RC_SET_COLOR:
2069         case LyXRC::RC_SHOW_BANNER:
2070         case LyXRC::RC_SPELL_COMMAND:
2071         case LyXRC::RC_TEMPDIRPATH:
2072         case LyXRC::RC_TEMPLATEPATH:
2073         case LyXRC::RC_TEX_ALLOWS_SPACES:
2074         case LyXRC::RC_TEX_EXPECTS_WINDOWS_PATHS:
2075                 if (lyxrc_orig.windows_style_tex_paths != lyxrc_new.windows_style_tex_paths) {
2076                         support::os::windows_style_tex_paths(lyxrc_new.windows_style_tex_paths);
2077                 }
2078         case LyXRC::RC_UIFILE:
2079         case LyXRC::RC_USER_EMAIL:
2080         case LyXRC::RC_USER_NAME:
2081         case LyXRC::RC_USETEMPDIR:
2082         case LyXRC::RC_USE_ALT_LANG:
2083         case LyXRC::RC_USE_ESC_CHARS:
2084         case LyXRC::RC_USE_INP_ENC:
2085         case LyXRC::RC_USE_PERS_DICT:
2086         case LyXRC::RC_USE_SPELL_LIB:
2087         case LyXRC::RC_VIEWDVI_PAPEROPTION:
2088         case LyXRC::RC_VIEWER:
2089         case LyXRC::RC_LAST:
2090                 break;
2091         }
2092 }
2093
2094 } // namespace anon
2095
2096
2097 } // namespace lyx