src/LyXFunc.cpp

   1 /**
   2  * \file LyXFunc.cpp
   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 "LayoutFile.h"
  25 #include "BranchList.h"
  26 #include "buffer_funcs.h"
  27 #include "Buffer.h"
  28 #include "BufferList.h"
  29 #include "BufferParams.h"
  30 #include "BufferView.h"
  31 #include "CmdDef.h"
  32 #include "Color.h"
  33 #include "Converter.h"
  34 #include "Cursor.h"
  35 #include "CutAndPaste.h"
  36 #include "DispatchResult.h"
  37 #include "Encoding.h"
  38 #include "ErrorList.h"
  39 #include "Format.h"
  40 #include "FuncRequest.h"
  41 #include "FuncStatus.h"
  42 #include "InsetIterator.h"
  43 #include "Intl.h"
  44 #include "KeyMap.h"
  45 #include "Language.h"
  46 #include "Lexer.h"
  47 #include "LyXAction.h"
  48 #include "lyxfind.h"
  49 #include "LyX.h"
  50 #include "LyXRC.h"
  51 #include "LyXVC.h"
  52 #include "Paragraph.h"
  53 #include "ParagraphParameters.h"
  54 #include "ParIterator.h"
  55 #include "Row.h"
  56 #include "Server.h"
  57 #include "Session.h"
  58
  59 #include "insets/InsetBox.h"
  60 #include "insets/InsetBranch.h"
  61 #include "insets/InsetCommand.h"
  62 #include "insets/InsetERT.h"
  63 #include "insets/InsetExternal.h"
  64 #include "insets/InsetFloat.h"
  65 #include "insets/InsetListings.h"
  66 #include "insets/InsetGraphics.h"
  67 #include "insets/InsetInclude.h"
  68 #include "insets/InsetSpace.h"
  69 #include "insets/InsetTabular.h"
  70 #include "insets/InsetVSpace.h"
  71 #include "insets/InsetWrap.h"
  72
  73 #include "frontends/alert.h"
  74 #include "frontends/Application.h"
  75 #include "frontends/KeySymbol.h"
  76 #include "frontends/LyXView.h"
  77 #include "frontends/Selection.h"
  78
  79 #include "support/debug.h"
  80 #include "support/environment.h"
  81 #include "support/FileName.h"
  82 #include "support/filetools.h"
  83 #include "support/gettext.h"
  84 #include "support/lstrings.h"
  85 #include "support/Path.h"
  86 #include "support/Package.h"
  87 #include "support/Systemcall.h"
  88 #include "support/convert.h"
  89 #include "support/os.h"
  90
  91 #include <sstream>
  92 #include <vector>
  93
  94 using namespace std;
  95 using namespace lyx::support;
  96
  97 namespace lyx {
  98
  99 using frontend::LyXView;
 100
 101 namespace Alert = frontend::Alert;
 102
 103 namespace {
 104
 105
 106 // This function runs "configure" and then rereads lyx.defaults to
 107 // reconfigure the automatic settings.
 108 void reconfigure(LyXView * lv, string const & option)
 109 {
 110         // emit message signal.
 111         if (lv)
 112                 lv->message(_("Running configure..."));
 113
 114         // Run configure in user lyx directory
 115         PathChanger p(package().user_support());
 116         string configure_command = package().configure_command();
 117         configure_command += option;
 118         Systemcall one;
 119         int ret = one.startscript(Systemcall::Wait, configure_command);
 120         p.pop();
 121         // emit message signal.
 122         if (lv)
 123                 lv->message(_("Reloading configuration..."));
 124         lyxrc.read(libFileSearch(string(), "lyxrc.defaults"));
 125         // Re-read packages.lst
 126         LaTeXFeatures::getAvailable();
 127
 128         if (ret)
 129                 Alert::information(_("System reconfiguration failed"),
 130                            _("The system reconfiguration has failed.\n"
 131                                   "Default textclass is used but LyX may "
 132                                   "not be able to work properly.\n"
 133                                   "Please reconfigure again if needed."));
 134         else
 135
 136                 Alert::information(_("System reconfigured"),
 137                            _("The system has been reconfigured.\n"
 138                              "You need to restart LyX to make use of any\n"
 139                              "updated document class specifications."));
 140 }
 141
 142
 143 bool getLocalStatus(Cursor cursor, FuncRequest const & cmd, FuncStatus & status)
 144 {
 145         // Try to fix cursor in case it is broken.
 146         cursor.fixIfBroken();
 147
 148         // This is, of course, a mess. Better create a new doc iterator and use
 149         // this in Inset::getStatus. This might require an additional
 150         // BufferView * arg, though (which should be avoided)
 151         //Cursor safe = *this;
 152         bool res = false;
 153         for ( ; cursor.depth(); cursor.pop()) {
 154                 //lyxerr << "\nCursor::getStatus: cmd: " << cmd << endl << *this << endl;
 155                 LASSERT(cursor.idx() <= cursor.lastidx(), /**/);
 156                 LASSERT(cursor.pit() <= cursor.lastpit(), /**/);
 157                 LASSERT(cursor.pos() <= cursor.lastpos(), /**/);
 158
 159                 // The inset's getStatus() will return 'true' if it made
 160                 // a definitive decision on whether it want to handle the
 161                 // request or not. The result of this decision is put into
 162                 // the 'status' parameter.
 163                 if (cursor.inset().getStatus(cursor, cmd, status)) {
 164                         res = true;
 165                         break;
 166                 }
 167         }
 168         return res;
 169 }
 170
 171
 172 /** Return the change status at cursor position, taking in account the
 173  * status at each level of the document iterator (a table in a deleted
 174  * footnote is deleted).
 175  * When \param outer is true, the top slice is not looked at.
 176  */
 177 Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
 178 {
 179         size_t const depth = dit.depth() - (outer ? 1 : 0);
 180
 181         for (size_t i = 0 ; i < depth ; ++i) {
 182                 CursorSlice const & slice = dit[i];
 183                 if (!slice.inset().inMathed()
 184                     && slice.pos() < slice.paragraph().size()) {
 185                         Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
 186                         if (ch != Change::UNCHANGED)
 187                                 return ch;
 188                 }
 189         }
 190         return Change::UNCHANGED;
 191 }
 192
 193 }
 194
 195
 196 LyXFunc::LyXFunc()
 197         : lyx_view_(0), encoded_last_key(0), meta_fake_bit(NoModifier)
 198 {
 199 }
 200
 201
 202 void LyXFunc::initKeySequences(KeyMap * kb)
 203 {
 204         keyseq = KeySequence(kb, kb);
 205         cancel_meta_seq = KeySequence(kb, kb);
 206 }
 207
 208
 209 void LyXFunc::setLyXView(LyXView * lv)
 210 {
 211         if (lyx_view_ && lyx_view_->view() && lyx_view_ != lv)
 212                 // save current selection to the selection buffer to allow
 213                 // middle-button paste in another window
 214                 cap::saveSelection(lyx_view_->view()->cursor());
 215         lyx_view_ = lv;
 216 }
 217
 218
 219 void LyXFunc::handleKeyFunc(FuncCode action)
 220 {
 221         char_type c = encoded_last_key;
 222
 223         if (keyseq.length())
 224                 c = 0;
 225
 226         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 227         lyx_view_->view()->getIntl().getTransManager().deadkey(
 228                 c, get_accent(action).accent, view()->cursor().innerText(), view()->cursor());
 229         // Need to clear, in case the minibuffer calls these
 230         // actions
 231         keyseq.clear();
 232         // copied verbatim from do_accent_char
 233         view()->cursor().resetAnchor();
 234         view()->processUpdateFlags(Update::FitCursor);
 235 }
 236
 237 //FIXME: bookmark handling is a frontend issue. This code should be transferred
 238 // to GuiView and be GuiView and be window dependent.
 239 void LyXFunc::gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer)
 240 {
 241         LASSERT(lyx_view_, /**/);
 242         if (!LyX::ref().session().bookmarks().isValid(idx))
 243                 return;
 244         BookmarksSection::Bookmark const & bm = LyX::ref().session().bookmarks().bookmark(idx);
 245         LASSERT(!bm.filename.empty(), /**/);
 246         string const file = bm.filename.absFilename();
 247         // if the file is not opened, open it.
 248         if (!theBufferList().exists(file)) {
 249                 if (openFile)
 250                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
 251                 else
 252                         return;
 253         }
 254         // open may fail, so we need to test it again
 255         if (!theBufferList().exists(file))
 256                 return;
 257
 258         // if the current buffer is not that one, switch to it.
 259         if (lyx_view_->buffer()->absFileName() != file) {
 260                 if (!switchToBuffer)
 261                         return;
 262                 dispatch(FuncRequest(LFUN_BUFFER_SWITCH, file));
 263         }
 264         // moveToPosition try paragraph id first and then paragraph (pit, pos).
 265         if (!view()->moveToPosition(bm.bottom_pit, bm.bottom_pos,
 266                 bm.top_id, bm.top_pos))
 267                 return;
 268
 269         // Cursor jump succeeded!
 270         Cursor const & cur = view()->cursor();
 271         pit_type new_pit = cur.pit();
 272         pos_type new_pos = cur.pos();
 273         int new_id = cur.paragraph().id();
 274
 275         // if bottom_pit, bottom_pos or top_id has been changed, update bookmark
 276         // see http://bugzilla.lyx.org/show_bug.cgi?id=3092
 277         if (bm.bottom_pit != new_pit || bm.bottom_pos != new_pos
 278                 || bm.top_id != new_id) {
 279                 const_cast<BookmarksSection::Bookmark &>(bm).updatePos(
 280                         new_pit, new_pos, new_id);
 281         }
 282 }
 283
 284
 285 void LyXFunc::processKeySym(KeySymbol const & keysym, KeyModifier state)
 286 {
 287         LYXERR(Debug::KEY, "KeySym is " << keysym.getSymbolName());
 288
 289         // Do nothing if we have nothing (JMarc)
 290         if (!keysym.isOK()) {
 291                 LYXERR(Debug::KEY, "Empty kbd action (probably composing)");
 292                 lyx_view_->restartCursor();
 293                 return;
 294         }
 295
 296         if (keysym.isModifier()) {
 297                 LYXERR(Debug::KEY, "isModifier true");
 298                 if (lyx_view_)
 299                         lyx_view_->restartCursor();
 300                 return;
 301         }
 302
 303         //Encoding const * encoding = view()->cursor().getEncoding();
 304         //encoded_last_key = keysym.getISOEncoded(encoding ? encoding->name() : "");
 305         // FIXME: encoded_last_key shadows the member variable of the same
 306         // name. Is that intended?
 307         char_type encoded_last_key = keysym.getUCSEncoded();
 308
 309         // Do a one-deep top-level lookup for
 310         // cancel and meta-fake keys. RVDK_PATCH_5
 311         cancel_meta_seq.reset();
 312
 313         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 314         LYXERR(Debug::KEY, "action first set to [" << func.action << ']');
 315
 316         // When not cancel or meta-fake, do the normal lookup.
 317         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 318         // Mostly, meta_fake_bit = NoModifier. RVDK_PATCH_5.
 319         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_PREFIX)) {
 320                 // remove Caps Lock and Mod2 as a modifiers
 321                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 322                 LYXERR(Debug::KEY, "action now set to [" << func.action << ']');
 323         }
 324
 325         // Dont remove this unless you know what you are doing.
 326         meta_fake_bit = NoModifier;
 327
 328         // Can this happen now ?
 329         if (func.action == LFUN_NOACTION)
 330                 func = FuncRequest(LFUN_COMMAND_PREFIX);
 331
 332         LYXERR(Debug::KEY, " Key [action=" << func.action << "]["
 333                 << keyseq.print(KeySequence::Portable) << ']');
 334
 335         // already here we know if it any point in going further
 336         // why not return already here if action == -1 and
 337         // num_bytes == 0? (Lgb)
 338
 339         if (keyseq.length() > 1)
 340                 lyx_view_->message(keyseq.print(KeySequence::ForGui));
 341
 342
 343         // Maybe user can only reach the key via holding down shift.
 344         // Let's see. But only if shift is the only modifier
 345         if (func.action == LFUN_UNKNOWN_ACTION && state == ShiftModifier) {
 346                 LYXERR(Debug::KEY, "Trying without shift");
 347                 func = keyseq.addkey(keysym, NoModifier);
 348                 LYXERR(Debug::KEY, "Action now " << func.action);
 349         }
 350
 351         if (func.action == LFUN_UNKNOWN_ACTION) {
 352                 // Hmm, we didn't match any of the keysequences. See
 353                 // if it's normal insertable text not already covered
 354                 // by a binding
 355                 if (keysym.isText() && keyseq.length() == 1) {
 356                         LYXERR(Debug::KEY, "isText() is true, inserting.");
 357                         func = FuncRequest(LFUN_SELF_INSERT,
 358                                            FuncRequest::KEYBOARD);
 359                 } else {
 360                         LYXERR(Debug::KEY, "Unknown, !isText() - giving up");
 361                         lyx_view_->message(_("Unknown function."));
 362                         lyx_view_->restartCursor();
 363                         return;
 364                 }
 365         }
 366
 367         if (func.action == LFUN_SELF_INSERT) {
 368                 if (encoded_last_key != 0) {
 369                         docstring const arg(1, encoded_last_key);
 370                         dispatch(FuncRequest(LFUN_SELF_INSERT, arg,
 371                                              FuncRequest::KEYBOARD));
 372                         LYXERR(Debug::KEY, "SelfInsert arg[`" << to_utf8(arg) << "']");
 373                 }
 374         } else {
 375                 dispatch(func);
 376                 if (!lyx_view_)
 377                         return;
 378         }
 379 }
 380
 381
 382 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 383 {
 384         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
 385         FuncStatus flag;
 386
 387         Buffer * buf = lyx_view_ ? lyx_view_->buffer() : 0;
 388
 389         if (cmd.action == LFUN_NOACTION) {
 390                 flag.message(from_utf8(N_("Nothing to do")));
 391                 flag.setEnabled(false);
 392                 return flag;
 393         }
 394
 395         switch (cmd.action) {
 396         case LFUN_UNKNOWN_ACTION:
 397 #ifndef HAVE_LIBAIKSAURUS
 398         case LFUN_THESAURUS_ENTRY:
 399 #endif
 400                 flag.unknown(true);
 401                 flag.setEnabled(false);
 402                 break;
 403
 404         default:
 405                 break;
 406         }
 407
 408         if (flag.unknown()) {
 409                 flag.message(from_utf8(N_("Unknown action")));
 410                 return flag;
 411         }
 412
 413         if (!flag.enabled()) {
 414                 if (flag.message().empty())
 415                         flag.message(from_utf8(N_("Command disabled")));
 416                 return flag;
 417         }
 418
 419         // Check whether we need a buffer
 420         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 421                 // no, exit directly
 422                 flag.message(from_utf8(N_("Command not allowed with"
 423                                     "out any document open")));
 424                 flag.setEnabled(false);
 425                 return flag;
 426         }
 427
 428         // I would really like to avoid having this switch and rather try to
 429         // encode this in the function itself.
 430         // -- And I'd rather let an inset decide which LFUNs it is willing
 431         // to handle (Andre')
 432         bool enable = true;
 433         switch (cmd.action) {
 434
 435         case LFUN_BUFFER_TOGGLE_READ_ONLY:
 436                 flag.setOnOff(buf->isReadonly());
 437                 break;
 438
 439         case LFUN_BUFFER_SWITCH:
 440                 // toggle on the current buffer, but do not toggle off
 441                 // the other ones (is that a good idea?)
 442                 if (buf && to_utf8(cmd.argument()) == buf->absFileName())
 443                         flag.setOnOff(true);
 444                 break;
 445
 446         case LFUN_BUFFER_EXPORT:
 447                 enable = cmd.argument() == "custom"
 448                         || buf->isExportable(to_utf8(cmd.argument()));
 449                 break;
 450
 451         case LFUN_BUFFER_CHKTEX:
 452                 enable = buf->isLatex() && !lyxrc.chktex_command.empty();
 453                 break;
 454
 455         case LFUN_BUILD_PROGRAM:
 456                 enable = buf->isExportable("program");
 457                 break;
 458
 459         case LFUN_VC_REGISTER:
 460                 enable = !buf->lyxvc().inUse();
 461                 break;
 462         case LFUN_VC_CHECK_IN:
 463                 enable = buf->lyxvc().inUse() && !buf->isReadonly();
 464                 break;
 465         case LFUN_VC_CHECK_OUT:
 466                 enable = buf->lyxvc().inUse() && buf->isReadonly();
 467                 break;
 468         case LFUN_VC_REVERT:
 469         case LFUN_VC_UNDO_LAST:
 470                 enable = buf->lyxvc().inUse();
 471                 break;
 472         case LFUN_BUFFER_RELOAD:
 473                 enable = !buf->isUnnamed() && buf->fileName().exists()
 474                         && (!buf->isClean() || buf->isExternallyModified(Buffer::timestamp_method));
 475                 break;
 476
 477         case LFUN_CITATION_INSERT: {
 478                 FuncRequest fr(LFUN_INSET_INSERT, "citation");
 479                 enable = getStatus(fr).enabled();
 480                 break;
 481         }
 482
 483         // This could be used for the no-GUI version. The GUI version is handled in
 484         // LyXView::getStatus(). See above.
 485         /*
 486         case LFUN_BUFFER_WRITE:
 487         case LFUN_BUFFER_WRITE_AS: {
 488                 Buffer * b = theBufferList().getBuffer(cmd.getArg(0));
 489                 enable = b && (b->isUnnamed() || !b->isClean());
 490                 break;
 491         }
 492         */
 493
 494         case LFUN_BUFFER_WRITE_ALL: {
 495                 // We enable the command only if there are some modified buffers
 496                 Buffer * first = theBufferList().first();
 497                 enable = false;
 498                 if (!first)
 499                         break;
 500                 Buffer * b = first;
 501                 // We cannot use a for loop as the buffer list is a cycle.
 502                 do {
 503                         if (!b->isClean()) {
 504                                 enable = true;
 505                                 break;
 506                         }
 507                         b = theBufferList().next(b);
 508                 } while (b != first);
 509                 break;
 510         }
 511
 512         case LFUN_BOOKMARK_GOTO: {
 513                 const unsigned int num = convert<unsigned int>(to_utf8(cmd.argument()));
 514                 enable = LyX::ref().session().bookmarks().isValid(num);
 515                 break;
 516         }
 517
 518         case LFUN_BOOKMARK_CLEAR:
 519                 enable = LyX::ref().session().bookmarks().size() > 0;
 520                 break;
 521
 522         // this one is difficult to get right. As a half-baked
 523         // solution, we consider only the first action of the sequence
 524         case LFUN_COMMAND_SEQUENCE: {
 525                 // argument contains ';'-terminated commands
 526                 string const firstcmd = token(to_utf8(cmd.argument()), ';', 0);
 527                 FuncRequest func(lyxaction.lookupFunc(firstcmd));
 528                 func.origin = cmd.origin;
 529                 flag = getStatus(func);
 530                 break;
 531         }
 532
 533         case LFUN_CALL: {
 534                 FuncRequest func;
 535                 string name = to_utf8(cmd.argument());
 536                 if (LyX::ref().topLevelCmdDef().lock(name, func)) {
 537                         func.origin = cmd.origin;
 538                         flag = getStatus(func);
 539                         LyX::ref().topLevelCmdDef().release(name);
 540                 } else {
 541                         // catch recursion or unknown command definiton
 542                         // all operations until the recursion or unknown command
 543                         // definiton occures are performed, so set the state to enabled
 544                         enable = true;
 545                 }
 546                 break;
 547         }
 548
 549         case LFUN_WORD_FIND_FORWARD:
 550         case LFUN_WORD_FIND_BACKWARD:
 551         case LFUN_COMMAND_PREFIX:
 552         case LFUN_COMMAND_EXECUTE:
 553         case LFUN_CANCEL:
 554         case LFUN_META_PREFIX:
 555         case LFUN_BUFFER_CLOSE:
 556         case LFUN_BUFFER_UPDATE:
 557         case LFUN_BUFFER_VIEW:
 558         case LFUN_MASTER_BUFFER_UPDATE:
 559         case LFUN_MASTER_BUFFER_VIEW:
 560         case LFUN_BUFFER_IMPORT:
 561         case LFUN_BUFFER_AUTO_SAVE:
 562         case LFUN_RECONFIGURE:
 563         case LFUN_HELP_OPEN:
 564         case LFUN_DROP_LAYOUTS_CHOICE:
 565         case LFUN_MENU_OPEN:
 566         case LFUN_SERVER_GET_NAME:
 567         case LFUN_SERVER_NOTIFY:
 568         case LFUN_SERVER_GOTO_FILE_ROW:
 569         case LFUN_DIALOG_HIDE:
 570         case LFUN_DIALOG_DISCONNECT_INSET:
 571         case LFUN_BUFFER_CHILD_OPEN:
 572         case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
 573         case LFUN_KEYMAP_OFF:
 574         case LFUN_KEYMAP_PRIMARY:
 575         case LFUN_KEYMAP_SECONDARY:
 576         case LFUN_KEYMAP_TOGGLE:
 577         case LFUN_REPEAT:
 578         case LFUN_BUFFER_EXPORT_CUSTOM:
 579         case LFUN_BUFFER_PRINT:
 580         case LFUN_PREFERENCES_SAVE:
 581         case LFUN_MESSAGE:
 582         case LFUN_INSET_EDIT:
 583         case LFUN_ALL_INSETS_TOGGLE:
 584         case LFUN_GRAPHICS_GROUPS_UNIFY:
 585         case LFUN_BUFFER_LANGUAGE:
 586         case LFUN_TEXTCLASS_APPLY:
 587         case LFUN_TEXTCLASS_LOAD:
 588         case LFUN_BUFFER_SAVE_AS_DEFAULT:
 589         case LFUN_BUFFER_PARAMS_APPLY:
 590         case LFUN_LAYOUT_MODULES_CLEAR:
 591         case LFUN_LAYOUT_MODULE_ADD:
 592         case LFUN_LAYOUT_RELOAD:
 593         case LFUN_LYXRC_APPLY:
 594         case LFUN_BUFFER_NEXT:
 595         case LFUN_BUFFER_PREVIOUS:
 596                 // these are handled in our dispatch()
 597                 break;
 598
 599         default:
 600                 if (!theApp()) {
 601                         enable = false;
 602                         break;
 603                 }
 604                 if (theApp()->getStatus(cmd, flag))
 605                         break;
 606
 607                 // Does the view know something?
 608                 if (!lyx_view_) {
 609                         enable = false;
 610                         break;
 611                 }
 612                 if (lyx_view_->getStatus(cmd, flag))
 613                         break;
 614
 615                 // If we have a BufferView, try cursor position and
 616                 // then the BufferView.
 617                 if (!view()) {
 618                         enable = false;
 619                         break;
 620                 }
 621                 if (!getLocalStatus(view()->cursor(), cmd, flag))
 622                         flag = view()->getStatus(cmd);
 623         }
 624
 625         if (!enable)
 626                 flag.setEnabled(false);
 627
 628         // Can we use a readonly buffer?
 629         if (buf && buf->isReadonly()
 630             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 631             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 632                 flag.message(from_utf8(N_("Document is read-only")));
 633                 flag.setEnabled(false);
 634         }
 635
 636         // Are we in a DELETED change-tracking region?
 637         if (buf && view()
 638                 && lookupChangeType(view()->cursor(), true) == Change::DELETED
 639             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 640             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 641                 flag.message(from_utf8(N_("This portion of the document is deleted.")));
 642                 flag.setEnabled(false);
 643         }
 644
 645         // the default error message if we disable the command
 646         if (!flag.enabled() && flag.message().empty())
 647                 flag.message(from_utf8(N_("Command disabled")));
 648
 649         return flag;
 650 }
 651
 652
 653 bool LyXFunc::ensureBufferClean(BufferView * bv)
 654 {
 655         Buffer & buf = bv->buffer();
 656         if (buf.isClean())
 657                 return true;
 658
 659         docstring const file = buf.fileName().displayName(30);
 660         docstring text = bformat(_("The document %1$s has unsaved "
 661                                              "changes.\n\nDo you want to save "
 662                                              "the document?"), file);
 663         int const ret = Alert::prompt(_("Save changed document?"),
 664                                       text, 0, 1, _("&Save"),
 665                                       _("&Cancel"));
 666
 667         if (ret == 0)
 668                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
 669
 670         return buf.isClean();
 671 }
 672
 673
 674 namespace {
 675
 676 void showPrintError(string const & name)
 677 {
 678         docstring str = bformat(_("Could not print the document %1$s.\n"
 679                                             "Check that your printer is set up correctly."),
 680                              makeDisplayPath(name, 50));
 681         Alert::error(_("Print document failed"), str);
 682 }
 683
 684
 685 bool loadLayoutFile(string const & name, string const & buf_path)
 686 {
 687         if (!LayoutFileList::get().haveClass(name)) {
 688                 lyxerr << "Document class \"" << name
 689                        << "\" does not exist."
 690                        << endl;
 691                 return false;
 692         }
 693
 694         LayoutFile & tc = LayoutFileList::get()[name];
 695         if (!tc.load(buf_path)) {
 696                 docstring s = bformat(_("The document class %1$s "
 697                                    "could not be loaded."), from_utf8(name));
 698                 Alert::error(_("Could not load class"), s);
 699                 return false;
 700         }
 701         return true;
 702 }
 703
 704
 705 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new);
 706
 707 } //namespace anon
 708
 709
 710 void LyXFunc::dispatch(FuncRequest const & cmd)
 711 {
 712         string const argument = to_utf8(cmd.argument());
 713         FuncCode const action = cmd.action;
 714
 715         LYXERR(Debug::ACTION, "\nLyXFunc::dispatch: cmd: " << cmd);
 716         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 717
 718         // we have not done anything wrong yet.
 719         errorstat = false;
 720         dispatch_buffer.erase();
 721
 722         // redraw the screen at the end (first of the two drawing steps).
 723         //This is done unless explicitely requested otherwise
 724         Update::flags updateFlags = Update::FitCursor;
 725
 726         FuncStatus const flag = getStatus(cmd);
 727         if (!flag.enabled()) {
 728                 // We cannot use this function here
 729                 LYXERR(Debug::ACTION, "LyXFunc::dispatch: "
 730                        << lyxaction.getActionName(action)
 731                        << " [" << action << "] is disabled at this location");
 732                 setErrorMessage(flag.message());
 733         } else {
 734                 switch (action) {
 735
 736                 case LFUN_WORD_FIND_FORWARD:
 737                 case LFUN_WORD_FIND_BACKWARD: {
 738                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 739                         static docstring last_search;
 740                         docstring searched_string;
 741
 742                         if (!cmd.argument().empty()) {
 743                                 last_search = cmd.argument();
 744                                 searched_string = cmd.argument();
 745                         } else {
 746                                 searched_string = last_search;
 747                         }
 748
 749                         if (searched_string.empty())
 750                                 break;
 751
 752                         bool const fw = action == LFUN_WORD_FIND_FORWARD;
 753                         docstring const data =
 754                                 find2string(searched_string, true, false, fw);
 755                         find(view(), FuncRequest(LFUN_WORD_FIND, data));
 756                         break;
 757                 }
 758
 759                 case LFUN_COMMAND_PREFIX:
 760                         LASSERT(lyx_view_, /**/);
 761                         lyx_view_->message(keyseq.printOptions(true));
 762                         break;
 763
 764                 case LFUN_CANCEL:
 765                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 766                         keyseq.reset();
 767                         meta_fake_bit = NoModifier;
 768                         if (lyx_view_->buffer())
 769                                 // cancel any selection
 770                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 771                         setMessage(from_ascii(N_("Cancel")));
 772                         break;
 773
 774                 case LFUN_META_PREFIX:
 775                         meta_fake_bit = AltModifier;
 776                         setMessage(keyseq.print(KeySequence::ForGui));
 777                         break;
 778
 779                 case LFUN_BUFFER_TOGGLE_READ_ONLY: {
 780                         LASSERT(lyx_view_ && lyx_view_->view() && lyx_view_->buffer(), /**/);
 781                         Buffer * buf = lyx_view_->buffer();
 782                         if (buf->lyxvc().inUse())
 783                                 buf->lyxvc().toggleReadOnly();
 784                         else
 785                                 buf->setReadonly(!lyx_view_->buffer()->isReadonly());
 786                         break;
 787                 }
 788
 789                 // --- Menus -----------------------------------------------
 790                 case LFUN_BUFFER_CLOSE:
 791                         lyx_view_->closeBuffer();
 792                         updateFlags = Update::None;
 793                         break;
 794
 795                 case LFUN_BUFFER_RELOAD: {
 796                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
 797                         docstring const file = makeDisplayPath(lyx_view_->buffer()->absFileName(), 20);
 798                         docstring text = bformat(_("Any changes will be lost. Are you sure "
 799                                                              "you want to revert to the saved version of the document %1$s?"), file);
 800                         int const ret = Alert::prompt(_("Revert to saved document?"),
 801                                 text, 1, 1, _("&Revert"), _("&Cancel"));
 802
 803                         if (ret == 0)
 804                                 reloadBuffer();
 805                         break;
 806                 }
 807
 808                 case LFUN_BUFFER_UPDATE:
 809                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
 810                         lyx_view_->buffer()->doExport(argument, true);
 811                         break;
 812
 813                 case LFUN_BUFFER_VIEW:
 814                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
 815                         lyx_view_->buffer()->preview(argument);
 816                         break;
 817
 818                 case LFUN_MASTER_BUFFER_UPDATE:
 819                         LASSERT(lyx_view_ && lyx_view_->buffer() && lyx_view_->buffer()->masterBuffer(), /**/);
 820                         lyx_view_->buffer()->masterBuffer()->doExport(argument, true);
 821                         break;
 822
 823                 case LFUN_MASTER_BUFFER_VIEW:
 824                         LASSERT(lyx_view_ && lyx_view_->buffer() && lyx_view_->buffer()->masterBuffer(), /**/);
 825                         lyx_view_->buffer()->masterBuffer()->preview(argument);
 826                         break;
 827
 828                 case LFUN_BUILD_PROGRAM:
 829                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
 830                         lyx_view_->buffer()->doExport("program", true);
 831                         break;
 832
 833                 case LFUN_BUFFER_CHKTEX:
 834                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
 835                         lyx_view_->buffer()->runChktex();
 836                         break;
 837
 838                 case LFUN_BUFFER_EXPORT:
 839                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
 840                         if (argument == "custom")
 841                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"));
 842                         else
 843                                 lyx_view_->buffer()->doExport(argument, false);
 844                         break;
 845
 846                 case LFUN_BUFFER_EXPORT_CUSTOM: {
 847                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
 848                         string format_name;
 849                         string command = split(argument, format_name, ' ');
 850                         Format const * format = formats.getFormat(format_name);
 851                         if (!format) {
 852                                 lyxerr << "Format \"" << format_name
 853                                        << "\" not recognized!"
 854                                        << endl;
 855                                 break;
 856                         }
 857
 858                         Buffer * buffer = lyx_view_->buffer();
 859
 860                         // The name of the file created by the conversion process
 861                         string filename;
 862
 863                         // Output to filename
 864                         if (format->name() == "lyx") {
 865                                 string const latexname = buffer->latexName(false);
 866                                 filename = changeExtension(latexname,
 867                                                            format->extension());
 868                                 filename = addName(buffer->temppath(), filename);
 869
 870                                 if (!buffer->writeFile(FileName(filename)))
 871                                         break;
 872
 873                         } else {
 874                                 buffer->doExport(format_name, true, filename);
 875                         }
 876
 877                         // Substitute $$FName for filename
 878                         if (!contains(command, "$$FName"))
 879                                 command = "( " + command + " ) < $$FName";
 880                         command = subst(command, "$$FName", filename);
 881
 882                         // Execute the command in the background
 883                         Systemcall call;
 884                         call.startscript(Systemcall::DontWait, command);
 885                         break;
 886                 }
 887
 888                 case LFUN_BUFFER_PRINT: {
 889                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
 890                         // FIXME: cmd.getArg() might fail if one of the arguments
 891                         // contains double quotes
 892                         string target = cmd.getArg(0);
 893                         string target_name = cmd.getArg(1);
 894                         string command = cmd.getArg(2);
 895
 896                         if (target.empty()
 897                             || target_name.empty()
 898                             || command.empty()) {
 899                                 lyxerr << "Unable to parse \""
 900                                        << argument << '"' << endl;
 901                                 break;
 902                         }
 903                         if (target != "printer" && target != "file") {
 904                                 lyxerr << "Unrecognized target \""
 905                                        << target << '"' << endl;
 906                                 break;
 907                         }
 908
 909                         Buffer * buffer = lyx_view_->buffer();
 910
 911                         if (!buffer->doExport("dvi", true)) {
 912                                 showPrintError(buffer->absFileName());
 913                                 break;
 914                         }
 915
 916                         // Push directory path.
 917                         string const path = buffer->temppath();
 918                         // Prevent the compiler from optimizing away p
 919                         FileName pp(path);
 920                         PathChanger p(pp);
 921
 922                         // there are three cases here:
 923                         // 1. we print to a file
 924                         // 2. we print directly to a printer
 925                         // 3. we print using a spool command (print to file first)
 926                         Systemcall one;
 927                         int res = 0;
 928                         string const dviname =
 929                                 changeExtension(buffer->latexName(true), "dvi");
 930
 931                         if (target == "printer") {
 932                                 if (!lyxrc.print_spool_command.empty()) {
 933                                         // case 3: print using a spool
 934                                         string const psname =
 935                                                 changeExtension(dviname,".ps");
 936                                         command += ' ' + lyxrc.print_to_file
 937                                                 + quoteName(psname)
 938                                                 + ' '
 939                                                 + quoteName(dviname);
 940
 941                                         string command2 =
 942                                                 lyxrc.print_spool_command + ' ';
 943                                         if (target_name != "default") {
 944                                                 command2 += lyxrc.print_spool_printerprefix
 945                                                         + target_name
 946                                                         + ' ';
 947                                         }
 948                                         command2 += quoteName(psname);
 949                                         // First run dvips.
 950                                         // If successful, then spool command
 951                                         res = one.startscript(
 952                                                 Systemcall::Wait,
 953                                                 command);
 954
 955                                         if (res == 0)
 956                                                 res = one.startscript(
 957                                                         Systemcall::DontWait,
 958                                                         command2);
 959                                 } else {
 960                                         // case 2: print directly to a printer
 961                                         if (target_name != "default")
 962                                                 command += ' ' + lyxrc.print_to_printer + target_name + ' ';
 963                                         res = one.startscript(
 964                                                 Systemcall::DontWait,
 965                                                 command + quoteName(dviname));
 966                                 }
 967
 968                         } else {
 969                                 // case 1: print to a file
 970                                 FileName const filename(makeAbsPath(target_name,
 971                                                         lyx_view_->buffer()->filePath()));
 972                                 FileName const dvifile(makeAbsPath(dviname, path));
 973                                 if (filename.exists()) {
 974                                         docstring text = bformat(
 975                                                 _("The file %1$s already exists.\n\n"
 976                                                   "Do you want to overwrite that file?"),
 977                                                 makeDisplayPath(filename.absFilename()));
 978                                         if (Alert::prompt(_("Overwrite file?"),
 979                                             text, 0, 1, _("&Overwrite"), _("&Cancel")) != 0)
 980                                                 break;
 981                                 }
 982                                 command += ' ' + lyxrc.print_to_file
 983                                         + quoteName(filename.toFilesystemEncoding())
 984                                         + ' '
 985                                         + quoteName(dvifile.toFilesystemEncoding());
 986                                 res = one.startscript(Systemcall::DontWait,
 987                                                       command);
 988                         }
 989
 990                         if (res != 0)
 991                                 showPrintError(buffer->absFileName());
 992                         break;
 993                 }
 994
 995                 // FIXME: There is need for a command-line import.
 996                 /*
 997                 case LFUN_BUFFER_IMPORT:
 998                         doImport(argument);
 999                         break;
1000                 */
1001
1002                 case LFUN_BUFFER_AUTO_SAVE:
1003                         lyx_view_->buffer()->autoSave();
1004                         break;
1005
1006                 case LFUN_RECONFIGURE:
1007                         // argument is any additional parameter to the configure.py command
1008                         reconfigure(lyx_view_, argument);
1009                         break;
1010
1011                 case LFUN_HELP_OPEN: {
1012                         LASSERT(lyx_view_, /**/);
1013                         string const arg = argument;
1014                         if (arg.empty()) {
1015                                 setErrorMessage(from_ascii(N_("Missing argument")));
1016                                 break;
1017                         }
1018                         FileName const fname = i18nLibFileSearch("doc", arg, "lyx");
1019                         if (fname.empty()) {
1020                                 lyxerr << "LyX: unable to find documentation file `"
1021                                                          << arg << "'. Bad installation?" << endl;
1022                                 break;
1023                         }
1024                         lyx_view_->message(bformat(_("Opening help file %1$s..."),
1025                                 makeDisplayPath(fname.absFilename())));
1026                         Buffer * buf = lyx_view_->loadDocument(fname, false);
1027                         if (buf) {
1028                                 updateLabels(*buf);
1029                                 lyx_view_->setBuffer(buf);
1030                                 buf->errors("Parse");
1031                         }
1032                         updateFlags = Update::None;
1033                         break;
1034                 }
1035
1036                 // --- version control -------------------------------
1037                 case LFUN_VC_REGISTER:
1038                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1039                         if (!ensureBufferClean(view()))
1040                                 break;
1041                         if (!lyx_view_->buffer()->lyxvc().inUse()) {
1042                                 lyx_view_->buffer()->lyxvc().registrer();
1043                                 reloadBuffer();
1044                         }
1045                         updateFlags = Update::Force;
1046                         break;
1047
1048                 case LFUN_VC_CHECK_IN:
1049                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1050                         if (!ensureBufferClean(view()))
1051                                 break;
1052                         if (lyx_view_->buffer()->lyxvc().inUse()
1053                                         && !lyx_view_->buffer()->isReadonly()) {
1054                                 lyx_view_->buffer()->lyxvc().checkIn();
1055                                 reloadBuffer();
1056                         }
1057                         break;
1058
1059                 case LFUN_VC_CHECK_OUT:
1060                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1061                         if (!ensureBufferClean(view()))
1062                                 break;
1063                         if (lyx_view_->buffer()->lyxvc().inUse()
1064                                         && lyx_view_->buffer()->isReadonly()) {
1065                                 lyx_view_->buffer()->lyxvc().checkOut();
1066                                 reloadBuffer();
1067                         }
1068                         break;
1069
1070                 case LFUN_VC_REVERT:
1071                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1072                         lyx_view_->buffer()->lyxvc().revert();
1073                         reloadBuffer();
1074                         break;
1075
1076                 case LFUN_VC_UNDO_LAST:
1077                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1078                         lyx_view_->buffer()->lyxvc().undoLast();
1079                         reloadBuffer();
1080                         break;
1081
1082                 // --- lyxserver commands ----------------------------
1083                 case LFUN_SERVER_GET_NAME:
1084                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1085                         setMessage(from_utf8(lyx_view_->buffer()->absFileName()));
1086                         LYXERR(Debug::INFO, "FNAME["
1087                                 << lyx_view_->buffer()->absFileName() << ']');
1088                         break;
1089
1090                 case LFUN_SERVER_NOTIFY:
1091                         dispatch_buffer = keyseq.print(KeySequence::Portable);
1092                         theServer().notifyClient(to_utf8(dispatch_buffer));
1093                         break;
1094
1095                 case LFUN_SERVER_GOTO_FILE_ROW: {
1096                         LASSERT(lyx_view_, /**/);
1097                         string file_name;
1098                         int row;
1099                         istringstream is(argument);
1100                         is >> file_name >> row;
1101                         Buffer * buf = 0;
1102                         bool loaded = false;
1103                         if (prefixIs(file_name, package().temp_dir().absFilename()))
1104                                 // Needed by inverse dvi search. If it is a file
1105                                 // in tmpdir, call the apropriated function
1106                                 buf = theBufferList().getBufferFromTmp(file_name);
1107                         else {
1108                                 // Must replace extension of the file to be .lyx
1109                                 // and get full path
1110                                 FileName const s = fileSearch(string(), changeExtension(file_name, ".lyx"), "lyx");
1111                                 // Either change buffer or load the file
1112                                 if (theBufferList().exists(s.absFilename()))
1113                                         buf = theBufferList().getBuffer(s.absFilename());
1114                                 else {
1115                                         buf = lyx_view_->loadDocument(s);
1116                                         loaded = true;
1117                                 }
1118                         }
1119
1120                         if (!buf) {
1121                                 updateFlags = Update::None;
1122                                 break;
1123                         }
1124
1125                         updateLabels(*buf);
1126                         lyx_view_->setBuffer(buf);
1127                         view()->setCursorFromRow(row);
1128                         if (loaded)
1129                                 buf->errors("Parse");
1130                         updateFlags = Update::FitCursor;
1131                         break;
1132                 }
1133
1134
1135                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1136                         LASSERT(lyx_view_, /**/);
1137                         string const name = cmd.getArg(0);
1138                         InsetCode code = insetCode(name);
1139                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1140                         bool insetCodeOK = true;
1141                         switch (code) {
1142                         case BIBITEM_CODE:
1143                         case BIBTEX_CODE:
1144                         case INDEX_CODE:
1145                         case LABEL_CODE:
1146                         case NOMENCL_CODE:
1147                         case REF_CODE:
1148                         case TOC_CODE:
1149                         case HYPERLINK_CODE: {
1150                                 InsetCommandParams p(code);
1151                                 data = InsetCommand::params2string(name, p);
1152                                 break;
1153                         }
1154                         case INCLUDE_CODE: {
1155                                 // data is the include type: one of "include",
1156                                 // "input", "verbatiminput" or "verbatiminput*"
1157                                 if (data.empty())
1158                                         // default type is requested
1159                                         data = "include";
1160                                 InsetCommandParams p(INCLUDE_CODE, data);
1161                                 data = InsetCommand::params2string("include", p);
1162                                 break;
1163                         }
1164                         case BOX_CODE: {
1165                                 // \c data == "Boxed" || "Frameless" etc
1166                                 InsetBoxParams p(data);
1167                                 data = InsetBox::params2string(p);
1168                                 break;
1169                         }
1170                         case BRANCH_CODE: {
1171                                 InsetBranchParams p;
1172                                 data = InsetBranch::params2string(p);
1173                                 break;
1174                         }
1175                         case CITE_CODE: {
1176                                 InsetCommandParams p(CITE_CODE);
1177                                 data = InsetCommand::params2string(name, p);
1178                                 break;
1179                         }
1180                         case ERT_CODE: {
1181                                 data = InsetERT::params2string(InsetCollapsable::Open);
1182                                 break;
1183                         }
1184                         case EXTERNAL_CODE: {
1185                                 InsetExternalParams p;
1186                                 Buffer const & buffer = *lyx_view_->buffer();
1187                                 data = InsetExternal::params2string(p, buffer);
1188                                 break;
1189                         }
1190                         case FLOAT_CODE:  {
1191                                 InsetFloatParams p;
1192                                 data = InsetFloat::params2string(p);
1193                                 break;
1194                         }
1195                         case LISTINGS_CODE: {
1196                                 InsetListingsParams p;
1197                                 data = InsetListings::params2string(p);
1198                                 break;
1199                         }
1200                         case GRAPHICS_CODE: {
1201                                 InsetGraphicsParams p;
1202                                 Buffer const & buffer = *lyx_view_->buffer();
1203                                 data = InsetGraphics::params2string(p, buffer);
1204                                 break;
1205                         }
1206                         case NOTE_CODE: {
1207                                 InsetNoteParams p;
1208                                 data = InsetNote::params2string(p);
1209                                 break;
1210                         }
1211                         case SPACE_CODE: {
1212                                 InsetSpaceParams p;
1213                                 data = InsetSpace::params2string(p);
1214                                 break;
1215                         }
1216                         case VSPACE_CODE: {
1217                                 VSpace space;
1218                                 data = InsetVSpace::params2string(space);
1219                                 break;
1220                         }
1221                         case WRAP_CODE: {
1222                                 InsetWrapParams p;
1223                                 data = InsetWrap::params2string(p);
1224                                 break;
1225                         }
1226                         default:
1227                                 lyxerr << "Inset type '" << name <<
1228                                         "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" <<  endl;
1229                                 insetCodeOK = false;
1230                                 break;
1231                         } // end switch(code)
1232                         if (insetCodeOK)
1233                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
1234                         break;
1235                 }
1236
1237                 case LFUN_CITATION_INSERT: {
1238                         LASSERT(lyx_view_, /**/);
1239                         if (!argument.empty()) {
1240                                 // we can have one optional argument, delimited by '|'
1241                                 // citation-insert <key>|<text_before>
1242                                 // this should be enhanced to also support text_after
1243                                 // and citation style
1244                                 string arg = argument;
1245                                 string opt1;
1246                                 if (contains(argument, "|")) {
1247                                         arg = token(argument, '|', 0);
1248                                         opt1 = token(argument, '|', 1);
1249                                 }
1250                                 InsetCommandParams icp(CITE_CODE);
1251                                 icp["key"] = from_utf8(arg);
1252                                 if (!opt1.empty())
1253                                         icp["before"] = from_utf8(opt1);
1254                                 string icstr = InsetCommand::params2string("citation", icp);
1255                                 FuncRequest fr(LFUN_INSET_INSERT, icstr);
1256                                 dispatch(fr);
1257                         } else
1258                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
1259                         break;
1260                 }
1261
1262                 case LFUN_BUFFER_CHILD_OPEN: {
1263                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1264                         Buffer * parent = lyx_view_->buffer();
1265                         FileName filename = makeAbsPath(argument, parent->filePath());
1266                         view()->saveBookmark(false);
1267                         Buffer * child = 0;
1268                         bool parsed = false;
1269                         if (theBufferList().exists(filename.absFilename())) {
1270                                 child = theBufferList().getBuffer(filename.absFilename());
1271                         } else {
1272                                 setMessage(bformat(_("Opening child document %1$s..."),
1273                                         makeDisplayPath(filename.absFilename())));
1274                                 child = lyx_view_->loadDocument(filename, false);
1275                                 parsed = true;
1276                         }
1277                         if (child) {
1278                                 // Set the parent name of the child document.
1279                                 // This makes insertion of citations and references in the child work,
1280                                 // when the target is in the parent or another child document.
1281                                 child->setParent(parent);
1282                                 updateLabels(*child->masterBuffer());
1283                                 lyx_view_->setBuffer(child);
1284                                 if (parsed)
1285                                         child->errors("Parse");
1286                         }
1287
1288                         // If a screen update is required (in case where auto_open is false),
1289                         // setBuffer() would have taken care of it already. Otherwise we shall
1290                         // reset the update flag because it can cause a circular problem.
1291                         // See bug 3970.
1292                         updateFlags = Update::None;
1293                         break;
1294                 }
1295
1296                 case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
1297                         LASSERT(lyx_view_, /**/);
1298                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1299                         break;
1300
1301                 case LFUN_KEYMAP_OFF:
1302                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1303                         lyx_view_->view()->getIntl().keyMapOn(false);
1304                         break;
1305
1306                 case LFUN_KEYMAP_PRIMARY:
1307                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1308                         lyx_view_->view()->getIntl().keyMapPrim();
1309                         break;
1310
1311                 case LFUN_KEYMAP_SECONDARY:
1312                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1313                         lyx_view_->view()->getIntl().keyMapSec();
1314                         break;
1315
1316                 case LFUN_KEYMAP_TOGGLE:
1317                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1318                         lyx_view_->view()->getIntl().toggleKeyMap();
1319                         break;
1320
1321                 case LFUN_REPEAT: {
1322                         // repeat command
1323                         string countstr;
1324                         string rest = split(argument, countstr, ' ');
1325                         istringstream is(countstr);
1326                         int count = 0;
1327                         is >> count;
1328                         lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1329                         for (int i = 0; i < count; ++i)
1330                                 dispatch(lyxaction.lookupFunc(rest));
1331                         break;
1332                 }
1333
1334                 case LFUN_COMMAND_SEQUENCE: {
1335                         // argument contains ';'-terminated commands
1336                         string arg = argument;
1337                         while (!arg.empty()) {
1338                                 string first;
1339                                 arg = split(arg, first, ';');
1340                                 FuncRequest func(lyxaction.lookupFunc(first));
1341                                 func.origin = cmd.origin;
1342                                 dispatch(func);
1343                         }
1344                         break;
1345                 }
1346
1347                 case LFUN_CALL: {
1348                         FuncRequest func;
1349                         if (LyX::ref().topLevelCmdDef().lock(argument, func)) {
1350                                 func.origin = cmd.origin;
1351                                 dispatch(func);
1352                                 LyX::ref().topLevelCmdDef().release(argument);
1353                         } else {
1354                                 if (func.action == LFUN_UNKNOWN_ACTION) {
1355                                         // unknown command definition
1356                                         lyxerr << "Warning: unknown command definition `"
1357                                                    << argument << "'"
1358                                                    << endl;
1359                                 } else {
1360                                         // recursion detected
1361                                         lyxerr << "Warning: Recursion in the command definition `"
1362                                                    << argument << "' detected"
1363                                                    << endl;
1364                                 }
1365                         }
1366                         break;
1367                 }
1368
1369                 case LFUN_PREFERENCES_SAVE: {
1370                         lyxrc.write(makeAbsPath("preferences",
1371                                                 package().user_support().absFilename()),
1372                                     false);
1373                         break;
1374                 }
1375
1376                 case LFUN_MESSAGE:
1377                         LASSERT(lyx_view_, /**/);
1378                         lyx_view_->message(from_utf8(argument));
1379                         break;
1380
1381
1382                 case LFUN_ALL_INSETS_TOGGLE: {
1383                         LASSERT(lyx_view_, /**/);
1384                         string action;
1385                         string const name = split(argument, action, ' ');
1386                         InsetCode const inset_code = insetCode(name);
1387
1388                         Cursor & cur = view()->cursor();
1389                         FuncRequest fr(LFUN_INSET_TOGGLE, action);
1390
1391                         Inset & inset = lyx_view_->buffer()->inset();
1392                         InsetIterator it  = inset_iterator_begin(inset);
1393                         InsetIterator const end = inset_iterator_end(inset);
1394                         for (; it != end; ++it) {
1395                                 if (!it->asInsetMath()
1396                                     && (inset_code == NO_CODE
1397                                     || inset_code == it->lyxCode())) {
1398                                         Cursor tmpcur = cur;
1399                                         tmpcur.pushBackward(*it);
1400                                         it->dispatch(tmpcur, fr);
1401                                 }
1402                         }
1403                         updateFlags = Update::Force | Update::FitCursor;
1404                         break;
1405                 }
1406
1407                 case LFUN_GRAPHICS_GROUPS_UNIFY: {
1408                         LASSERT(lyx_view_, /**/);
1409                         if (argument.empty())
1410                                 break;
1411                         //view()->cursor().recordUndoFullDocument(); let inset-apply do that job
1412                         graphics::unifyGraphicsGroups(*lyx_view_->buffer(), argument);
1413                         updateFlags = Update::Force | Update::FitCursor;
1414                         break;
1415                 }
1416
1417                 case LFUN_BUFFER_LANGUAGE: {
1418                         LASSERT(lyx_view_, /**/);
1419                         Buffer & buffer = *lyx_view_->buffer();
1420                         Language const * oldL = buffer.params().language;
1421                         Language const * newL = languages.getLanguage(argument);
1422                         if (!newL || oldL == newL)
1423                                 break;
1424
1425                         if (oldL->rightToLeft() == newL->rightToLeft()
1426                             && !buffer.isMultiLingual())
1427                                 buffer.changeLanguage(oldL, newL);
1428                         break;
1429                 }
1430
1431                 case LFUN_BUFFER_SAVE_AS_DEFAULT: {
1432                         string const fname =
1433                                 addName(addPath(package().user_support().absFilename(), "templates/"),
1434                                         "defaults.lyx");
1435                         Buffer defaults(fname);
1436
1437                         istringstream ss(argument);
1438                         Lexer lex;
1439                         lex.setStream(ss);
1440                         int const unknown_tokens = defaults.readHeader(lex);
1441
1442                         if (unknown_tokens != 0) {
1443                                 lyxerr << "Warning in LFUN_BUFFER_SAVE_AS_DEFAULT!\n"
1444                                        << unknown_tokens << " unknown token"
1445                                        << (unknown_tokens == 1 ? "" : "s")
1446                                        << endl;
1447                         }
1448
1449                         if (defaults.writeFile(FileName(defaults.absFileName())))
1450                                 setMessage(bformat(_("Document defaults saved in %1$s"),
1451                                                    makeDisplayPath(fname)));
1452                         else
1453                                 setErrorMessage(from_ascii(N_("Unable to save document defaults")));
1454                         break;
1455                 }
1456
1457                 case LFUN_BUFFER_PARAMS_APPLY: {
1458                         LASSERT(lyx_view_, /**/);
1459
1460                         Buffer * buffer = lyx_view_->buffer();
1461                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1462                         Cursor & cur = view()->cursor();
1463                         cur.recordUndoFullDocument();
1464
1465                         istringstream ss(argument);
1466                         Lexer lex;
1467                         lex.setStream(ss);
1468                         int const unknown_tokens = buffer->readHeader(lex);
1469
1470                         if (unknown_tokens != 0) {
1471                                 lyxerr << "Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1472                                                 << unknown_tokens << " unknown token"
1473                                                 << (unknown_tokens == 1 ? "" : "s")
1474                                                 << endl;
1475                         }
1476
1477                         updateLayout(oldClass, buffer);
1478
1479                         updateFlags = Update::Force | Update::FitCursor;
1480                         // We are most certainly here because of a change in the document
1481                         // It is then better to make sure that all dialogs are in sync with
1482                         // current document settings. LyXView::restartCursor() achieve this.
1483                         lyx_view_->restartCursor();
1484                         break;
1485                 }
1486
1487                 case LFUN_LAYOUT_MODULES_CLEAR: {
1488                         LASSERT(lyx_view_, /**/);
1489                         Buffer * buffer = lyx_view_->buffer();
1490                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1491                         view()->cursor().recordUndoFullDocument();
1492                         buffer->params().clearLayoutModules();
1493                         buffer->params().makeDocumentClass();
1494                         updateLayout(oldClass, buffer);
1495                         updateFlags = Update::Force | Update::FitCursor;
1496                         break;
1497                 }
1498
1499                 case LFUN_LAYOUT_MODULE_ADD: {
1500                         LASSERT(lyx_view_, /**/);
1501                         Buffer * buffer = lyx_view_->buffer();
1502                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1503                         view()->cursor().recordUndoFullDocument();
1504                         buffer->params().addLayoutModule(argument);
1505                         buffer->params().makeDocumentClass();
1506                         updateLayout(oldClass, buffer);
1507                         updateFlags = Update::Force | Update::FitCursor;
1508                         break;
1509                 }
1510
1511                 case LFUN_TEXTCLASS_APPLY: {
1512                         LASSERT(lyx_view_, /**/);
1513                         Buffer * buffer = lyx_view_->buffer();
1514
1515                         if (!loadLayoutFile(argument, buffer->temppath()) &&
1516                                 !loadLayoutFile(argument, buffer->filePath()))
1517                                 break;
1518
1519                         LayoutFile const * old_layout = buffer->params().baseClass();
1520                         LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1521
1522                         if (old_layout == new_layout)
1523                                 // nothing to do
1524                                 break;
1525
1526                         //Save the old, possibly modular, layout for use in conversion.
1527                         DocumentClass const * const oldDocClass = buffer->params().documentClassPtr();
1528                         view()->cursor().recordUndoFullDocument();
1529                         buffer->params().setBaseClass(argument);
1530                         buffer->params().makeDocumentClass();
1531                         updateLayout(oldDocClass, buffer);
1532                         updateFlags = Update::Force | Update::FitCursor;
1533                         break;
1534                 }
1535
1536                 case LFUN_LAYOUT_RELOAD: {
1537                         LASSERT(lyx_view_, /**/);
1538                         Buffer * buffer = lyx_view_->buffer();
1539                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1540                         LayoutFileIndex bc = buffer->params().baseClassID();
1541                         LayoutFileList::get().reset(bc);
1542                         buffer->params().setBaseClass(bc);
1543                         buffer->params().makeDocumentClass();
1544                         updateLayout(oldClass, buffer);
1545                         updateFlags = Update::Force | Update::FitCursor;
1546                         break;
1547                 }
1548
1549                 case LFUN_TEXTCLASS_LOAD:
1550                         loadLayoutFile(argument, lyx_view_->buffer()->temppath()) ||
1551                         loadLayoutFile(argument, lyx_view_->buffer()->filePath());
1552                         break;
1553
1554                 case LFUN_LYXRC_APPLY: {
1555                         LyXRC const lyxrc_orig = lyxrc;
1556
1557                         istringstream ss(argument);
1558                         bool const success = lyxrc.read(ss) == 0;
1559
1560                         if (!success) {
1561                                 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1562                                        << "Unable to read lyxrc data"
1563                                        << endl;
1564                                 break;
1565                         }
1566
1567                         actOnUpdatedPrefs(lyxrc_orig, lyxrc);
1568
1569                         theApp()->resetGui();
1570
1571                         /// We force the redraw in any case because there might be
1572                         /// some screen font changes.
1573                         /// FIXME: only the current view will be updated. the Gui
1574                         /// class is able to furnish the list of views.
1575                         updateFlags = Update::Force;
1576                         break;
1577                 }
1578
1579                 case LFUN_BOOKMARK_GOTO:
1580                         // go to bookmark, open unopened file and switch to buffer if necessary
1581                         gotoBookmark(convert<unsigned int>(to_utf8(cmd.argument())), true, true);
1582                         updateFlags = Update::FitCursor;
1583                         break;
1584
1585                 case LFUN_BOOKMARK_CLEAR:
1586                         LyX::ref().session().bookmarks().clear();
1587                         break;
1588
1589                 default:
1590                         LASSERT(theApp(), /**/);
1591                         // Let the frontend dispatch its own actions.
1592                         if (theApp()->dispatch(cmd))
1593                                 // Nothing more to do.
1594                                 return;
1595
1596                         // Everything below is only for active lyx_view_
1597                         if (lyx_view_ == 0)
1598                                 break;
1599
1600                         // Let the current LyXView dispatch its own actions.
1601                         if (lyx_view_->dispatch(cmd)) {
1602                                 if (lyx_view_->view())
1603                                         updateFlags = lyx_view_->view()->cursor().result().update();
1604                                 break;
1605                         }
1606
1607                         LASSERT(lyx_view_->view(), /**/);
1608                         // Let the current BufferView dispatch its own actions.
1609                         if (view()->dispatch(cmd)) {
1610                                 // The BufferView took care of its own updates if needed.
1611                                 updateFlags = Update::None;
1612                                 break;
1613                         }
1614
1615                         // Let the current Cursor dispatch its own actions.
1616                         Cursor old = view()->cursor();
1617                         view()->cursor().getPos(cursorPosBeforeDispatchX_,
1618                                                 cursorPosBeforeDispatchY_);
1619                         view()->cursor().dispatch(cmd);
1620
1621                         // notify insets we just left
1622                         if (view()->cursor() != old) {
1623                                 old.fixIfBroken();
1624                                 bool badcursor = notifyCursorLeaves(old, view()->cursor());
1625                                 if (badcursor)
1626                                         view()->cursor().fixIfBroken();
1627                         }
1628
1629                         // update completion. We do it here and not in
1630                         // processKeySym to avoid another redraw just for a
1631                         // changed inline completion
1632                         if (cmd.origin == FuncRequest::KEYBOARD) {
1633                                 if (cmd.action == LFUN_SELF_INSERT)
1634                                         lyx_view_->updateCompletion(view()->cursor(), true, true);
1635                                 else if (cmd.action == LFUN_CHAR_DELETE_BACKWARD)
1636                                         lyx_view_->updateCompletion(view()->cursor(), false, true);
1637                                 else
1638                                         lyx_view_->updateCompletion(view()->cursor(), false, false);
1639                         }
1640
1641                         updateFlags = view()->cursor().result().update();
1642                 }
1643
1644                 if (lyx_view_ && lyx_view_->buffer()) {
1645                         // BufferView::update() updates the ViewMetricsInfo and
1646                         // also initializes the position cache for all insets in
1647                         // (at least partially) visible top-level paragraphs.
1648                         // We will redraw the screen only if needed.
1649                         view()->processUpdateFlags(updateFlags);
1650
1651                         // if we executed a mutating lfun, mark the buffer as dirty
1652                         if (flag.enabled()
1653                             && !lyxaction.funcHasFlag(action, LyXAction::NoBuffer)
1654                             && !lyxaction.funcHasFlag(action, LyXAction::ReadOnly))
1655                                 lyx_view_->buffer()->markDirty();
1656
1657                         // Do we have a selection?
1658                         theSelection().haveSelection(view()->cursor().selection());
1659
1660                         // update gui
1661                         lyx_view_->restartCursor();
1662                 }
1663         }
1664         if (lyx_view_) {
1665                 // Some messages may already be translated, so we cannot use _()
1666                 sendDispatchMessage(translateIfPossible(getMessage()), cmd);
1667         }
1668 }
1669
1670
1671 void LyXFunc::sendDispatchMessage(docstring const & msg, FuncRequest const & cmd)
1672 {
1673         const bool verbose = (cmd.origin == FuncRequest::MENU
1674                               || cmd.origin == FuncRequest::TOOLBAR
1675                               || cmd.origin == FuncRequest::COMMANDBUFFER);
1676
1677         if (cmd.action == LFUN_SELF_INSERT || !verbose) {
1678                 LYXERR(Debug::ACTION, "dispatch msg is " << to_utf8(msg));
1679                 if (!msg.empty())
1680                         lyx_view_->message(msg);
1681                 return;
1682         }
1683
1684         docstring dispatch_msg = msg;
1685         if (!dispatch_msg.empty())
1686                 dispatch_msg += ' ';
1687
1688         docstring comname = from_utf8(lyxaction.getActionName(cmd.action));
1689
1690         bool argsadded = false;
1691
1692         if (!cmd.argument().empty()) {
1693                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1694                         comname += ' ' + cmd.argument();
1695                         argsadded = true;
1696                 }
1697         }
1698
1699         docstring const shortcuts = theTopLevelKeymap().printBindings(cmd);
1700
1701         if (!shortcuts.empty())
1702                 comname += ": " + shortcuts;
1703         else if (!argsadded && !cmd.argument().empty())
1704                 comname += ' ' + cmd.argument();
1705
1706         if (!comname.empty()) {
1707                 comname = rtrim(comname);
1708                 dispatch_msg += '(' + rtrim(comname) + ')';
1709         }
1710
1711         LYXERR(Debug::ACTION, "verbose dispatch msg " << to_utf8(dispatch_msg));
1712         if (!dispatch_msg.empty())
1713                 lyx_view_->message(dispatch_msg);
1714 }
1715
1716
1717 void LyXFunc::reloadBuffer()
1718 {
1719         FileName filename = lyx_view_->buffer()->fileName();
1720         // The user has already confirmed that the changes, if any, should
1721         // be discarded. So we just release the Buffer and don't call closeBuffer();
1722         theBufferList().release(lyx_view_->buffer());
1723         Buffer * buf = lyx_view_->loadDocument(filename);
1724         docstring const disp_fn = makeDisplayPath(filename.absFilename());
1725         docstring str;
1726         if (buf) {
1727                 updateLabels(*buf);
1728                 lyx_view_->setBuffer(buf);
1729                 buf->errors("Parse");
1730                 str = bformat(_("Document %1$s reloaded."), disp_fn);
1731         } else {
1732                 str = bformat(_("Could not reload document %1$s"), disp_fn);
1733         }
1734         lyx_view_->message(str);
1735 }
1736
1737 // Each "lyx_view_" should have it's own message method. lyxview and
1738 // the minibuffer would use the minibuffer, but lyxserver would
1739 // send an ERROR signal to its client.  Alejandro 970603
1740 // This function is bit problematic when it comes to NLS, to make the
1741 // lyx servers client be language indepenent we must not translate
1742 // strings sent to this func.
1743 void LyXFunc::setErrorMessage(docstring const & m) const
1744 {
1745         dispatch_buffer = m;
1746         errorstat = true;
1747 }
1748
1749
1750 void LyXFunc::setMessage(docstring const & m) const
1751 {
1752         dispatch_buffer = m;
1753 }
1754
1755
1756 docstring LyXFunc::viewStatusMessage()
1757 {
1758         // When meta-fake key is pressed, show the key sequence so far + "M-".
1759         if (wasMetaKey())
1760                 return keyseq.print(KeySequence::ForGui) + "M-";
1761
1762         // Else, when a non-complete key sequence is pressed,
1763         // show the available options.
1764         if (keyseq.length() > 0 && !keyseq.deleted())
1765                 return keyseq.printOptions(true);
1766
1767         LASSERT(lyx_view_, /**/);
1768         if (!lyx_view_->buffer())
1769                 return _("Welcome to LyX!");
1770
1771         return view()->cursor().currentState();
1772 }
1773
1774
1775 BufferView * LyXFunc::view() const
1776 {
1777         LASSERT(lyx_view_, /**/);
1778         return lyx_view_->view();
1779 }
1780
1781
1782 bool LyXFunc::wasMetaKey() const
1783 {
1784         return (meta_fake_bit != NoModifier);
1785 }
1786
1787
1788 void LyXFunc::updateLayout(DocumentClass const * const oldlayout, Buffer * buffer)
1789 {
1790         lyx_view_->message(_("Converting document to new document class..."));
1791
1792         StableDocIterator backcur(view()->cursor());
1793         ErrorList & el = buffer->errorList("Class Switch");
1794         cap::switchBetweenClasses(
1795                         oldlayout, buffer->params().documentClassPtr(),
1796                         static_cast<InsetText &>(buffer->inset()), el);
1797
1798         view()->setCursor(backcur.asDocIterator(&(buffer->inset())));
1799
1800         buffer->errors("Class Switch");
1801         updateLabels(*buffer);
1802 }
1803
1804
1805 namespace {
1806
1807 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
1808 {
1809         // Why the switch you might ask. It is a trick to ensure that all
1810         // the elements in the LyXRCTags enum is handled. As you can see
1811         // there are no breaks at all. So it is just a huge fall-through.
1812         // The nice thing is that we will get a warning from the compiler
1813         // if we forget an element.
1814         LyXRC::LyXRCTags tag = LyXRC::RC_LAST;
1815         switch (tag) {
1816         case LyXRC::RC_ACCEPT_COMPOUND:
1817         case LyXRC::RC_ALT_LANG:
1818         case LyXRC::RC_PLAINTEXT_ROFF_COMMAND:
1819         case LyXRC::RC_PLAINTEXT_LINELEN:
1820         case LyXRC::RC_AUTOREGIONDELETE:
1821         case LyXRC::RC_AUTORESET_OPTIONS:
1822         case LyXRC::RC_AUTOSAVE:
1823         case LyXRC::RC_AUTO_NUMBER:
1824         case LyXRC::RC_BACKUPDIR_PATH:
1825         case LyXRC::RC_BIBTEX_COMMAND:
1826         case LyXRC::RC_BINDFILE:
1827         case LyXRC::RC_CHECKLASTFILES:
1828         case LyXRC::RC_COMPLETION_CURSOR_TEXT:
1829         case LyXRC::RC_COMPLETION_INLINE_DELAY:
1830         case LyXRC::RC_COMPLETION_INLINE_DOTS:
1831         case LyXRC::RC_COMPLETION_INLINE_MATH:
1832         case LyXRC::RC_COMPLETION_INLINE_TEXT:
1833         case LyXRC::RC_COMPLETION_POPUP_AFTER_COMPLETE:
1834         case LyXRC::RC_COMPLETION_POPUP_DELAY:
1835         case LyXRC::RC_COMPLETION_POPUP_MATH:
1836         case LyXRC::RC_COMPLETION_POPUP_TEXT:
1837         case LyXRC::RC_USELASTFILEPOS:
1838         case LyXRC::RC_LOADSESSION:
1839         case LyXRC::RC_CHKTEX_COMMAND:
1840         case LyXRC::RC_CONVERTER:
1841         case LyXRC::RC_CONVERTER_CACHE_MAXAGE:
1842         case LyXRC::RC_COPIER:
1843         case LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR:
1844         case LyXRC::RC_CUSTOM_EXPORT_COMMAND:
1845         case LyXRC::RC_CUSTOM_EXPORT_FORMAT:
1846         case LyXRC::RC_DATE_INSERT_FORMAT:
1847         case LyXRC::RC_DEFAULT_LANGUAGE:
1848         case LyXRC::RC_DEFAULT_PAPERSIZE:
1849         case LyXRC::RC_DEFFILE:
1850         case LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN:
1851         case LyXRC::RC_DISPLAY_GRAPHICS:
1852         case LyXRC::RC_DOCUMENTPATH:
1853                 if (lyxrc_orig.document_path != lyxrc_new.document_path) {
1854                         FileName path(lyxrc_new.document_path);
1855                         if (path.exists() && path.isDirectory())
1856                                 package().document_dir() = FileName(lyxrc.document_path);
1857                 }
1858         case LyXRC::RC_ESC_CHARS:
1859         case LyXRC::RC_EXAMPLEPATH:
1860         case LyXRC::RC_FONT_ENCODING:
1861         case LyXRC::RC_FORMAT:
1862         case LyXRC::RC_GROUP_LAYOUTS:
1863         case LyXRC::RC_INDEX_COMMAND:
1864         case LyXRC::RC_INPUT:
1865         case LyXRC::RC_KBMAP:
1866         case LyXRC::RC_KBMAP_PRIMARY:
1867         case LyXRC::RC_KBMAP_SECONDARY:
1868         case LyXRC::RC_LABEL_INIT_LENGTH:
1869         case LyXRC::RC_LANGUAGE_AUTO_BEGIN:
1870         case LyXRC::RC_LANGUAGE_AUTO_END:
1871         case LyXRC::RC_LANGUAGE_COMMAND_BEGIN:
1872         case LyXRC::RC_LANGUAGE_COMMAND_END:
1873         case LyXRC::RC_LANGUAGE_COMMAND_LOCAL:
1874         case LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS:
1875         case LyXRC::RC_LANGUAGE_PACKAGE:
1876         case LyXRC::RC_LANGUAGE_USE_BABEL:
1877         case LyXRC::RC_MACRO_EDIT_STYLE:
1878         case LyXRC::RC_MAKE_BACKUP:
1879         case LyXRC::RC_MARK_FOREIGN_LANGUAGE:
1880         case LyXRC::RC_MOUSE_WHEEL_SPEED:
1881         case LyXRC::RC_NUMLASTFILES:
1882         case LyXRC::RC_PATH_PREFIX:
1883                 if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
1884                         prependEnvPath("PATH", lyxrc.path_prefix);
1885                 }
1886         case LyXRC::RC_PERS_DICT:
1887         case LyXRC::RC_PREVIEW:
1888         case LyXRC::RC_PREVIEW_HASHED_LABELS:
1889         case LyXRC::RC_PREVIEW_SCALE_FACTOR:
1890         case LyXRC::RC_PRINTCOLLCOPIESFLAG:
1891         case LyXRC::RC_PRINTCOPIESFLAG:
1892         case LyXRC::RC_PRINTER:
1893         case LyXRC::RC_PRINTEVENPAGEFLAG:
1894         case LyXRC::RC_PRINTEXSTRAOPTIONS:
1895         case LyXRC::RC_PRINTFILEEXTENSION:
1896         case LyXRC::RC_PRINTLANDSCAPEFLAG:
1897         case LyXRC::RC_PRINTODDPAGEFLAG:
1898         case LyXRC::RC_PRINTPAGERANGEFLAG:
1899         case LyXRC::RC_PRINTPAPERDIMENSIONFLAG:
1900         case LyXRC::RC_PRINTPAPERFLAG:
1901         case LyXRC::RC_PRINTREVERSEFLAG:
1902         case LyXRC::RC_PRINTSPOOL_COMMAND:
1903         case LyXRC::RC_PRINTSPOOL_PRINTERPREFIX:
1904         case LyXRC::RC_PRINTTOFILE:
1905         case LyXRC::RC_PRINTTOPRINTER:
1906         case LyXRC::RC_PRINT_ADAPTOUTPUT:
1907         case LyXRC::RC_PRINT_COMMAND:
1908         case LyXRC::RC_RTL_SUPPORT:
1909         case LyXRC::RC_SCREEN_DPI:
1910         case LyXRC::RC_SCREEN_FONT_ROMAN:
1911         case LyXRC::RC_SCREEN_FONT_ROMAN_FOUNDRY:
1912         case LyXRC::RC_SCREEN_FONT_SANS:
1913         case LyXRC::RC_SCREEN_FONT_SANS_FOUNDRY:
1914         case LyXRC::RC_SCREEN_FONT_SCALABLE:
1915         case LyXRC::RC_SCREEN_FONT_SIZES:
1916         case LyXRC::RC_SCREEN_FONT_TYPEWRITER:
1917         case LyXRC::RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
1918         case LyXRC::RC_GEOMETRY_SESSION:
1919         case LyXRC::RC_SCREEN_ZOOM:
1920         case LyXRC::RC_SERVERPIPE:
1921         case LyXRC::RC_SET_COLOR:
1922         case LyXRC::RC_SHOW_BANNER:
1923         case LyXRC::RC_OPEN_BUFFERS_IN_TABS:
1924         case LyXRC::RC_SPELL_COMMAND:
1925         case LyXRC::RC_TEMPDIRPATH:
1926         case LyXRC::RC_TEMPLATEPATH:
1927         case LyXRC::RC_TEX_ALLOWS_SPACES:
1928         case LyXRC::RC_TEX_EXPECTS_WINDOWS_PATHS:
1929                 if (lyxrc_orig.windows_style_tex_paths != lyxrc_new.windows_style_tex_paths) {
1930                         os::windows_style_tex_paths(lyxrc_new.windows_style_tex_paths);
1931                 }
1932         case LyXRC::RC_UIFILE:
1933         case LyXRC::RC_USER_EMAIL:
1934         case LyXRC::RC_USER_NAME:
1935         case LyXRC::RC_USETEMPDIR:
1936         case LyXRC::RC_USE_ALT_LANG:
1937         case LyXRC::RC_USE_CONVERTER_CACHE:
1938         case LyXRC::RC_USE_ESC_CHARS:
1939         case LyXRC::RC_USE_INP_ENC:
1940         case LyXRC::RC_USE_PERS_DICT:
1941         case LyXRC::RC_USE_TOOLTIP:
1942         case LyXRC::RC_USE_PIXMAP_CACHE:
1943         case LyXRC::RC_USE_SPELL_LIB:
1944         case LyXRC::RC_VIEWDVI_PAPEROPTION:
1945         case LyXRC::RC_SORT_LAYOUTS:
1946         case LyXRC::RC_FULL_SCREEN_LIMIT:
1947         case LyXRC::RC_FULL_SCREEN_SCROLLBAR:
1948         case LyXRC::RC_FULL_SCREEN_TABBAR:
1949         case LyXRC::RC_FULL_SCREEN_TOOLBARS:
1950         case LyXRC::RC_FULL_SCREEN_WIDTH:
1951         case LyXRC::RC_VISUAL_CURSOR:
1952         case LyXRC::RC_VIEWER:
1953         case LyXRC::RC_LAST:
1954                 break;
1955         }
1956 }
1957
1958 } // namespace anon
1959
1960
1961 } // namespace lyx