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/InsetGraphics.h"
  66 #include "insets/InsetInclude.h"
  67 #include "insets/InsetListings.h"
  68 #include "insets/InsetNote.h"
  69 #include "insets/InsetSpace.h"
  70 #include "insets/InsetTabular.h"
  71 #include "insets/InsetVSpace.h"
  72 #include "insets/InsetWrap.h"
  73
  74 #include "frontends/alert.h"
  75 #include "frontends/Application.h"
  76 #include "frontends/KeySymbol.h"
  77 #include "frontends/LyXView.h"
  78 #include "frontends/Selection.h"
  79
  80 #include "support/debug.h"
  81 #include "support/environment.h"
  82 #include "support/FileName.h"
  83 #include "support/filetools.h"
  84 #include "support/gettext.h"
  85 #include "support/lstrings.h"
  86 #include "support/Path.h"
  87 #include "support/Package.h"
  88 #include "support/Systemcall.h"
  89 #include "support/convert.h"
  90 #include "support/os.h"
  91
  92 #include <sstream>
  93 #include <vector>
  94
  95 using namespace std;
  96 using namespace lyx::support;
  97
  98 namespace lyx {
  99
 100 using frontend::LyXView;
 101
 102 namespace Alert = frontend::Alert;
 103
 104 namespace {
 105
 106
 107 // This function runs "configure" and then rereads lyx.defaults to
 108 // reconfigure the automatic settings.
 109 void reconfigure(LyXView * lv, string const & option)
 110 {
 111         // emit message signal.
 112         if (lv)
 113                 lv->message(_("Running configure..."));
 114
 115         // Run configure in user lyx directory
 116         PathChanger p(package().user_support());
 117         string configure_command = package().configure_command();
 118         configure_command += option;
 119         Systemcall one;
 120         int ret = one.startscript(Systemcall::Wait, configure_command);
 121         p.pop();
 122         // emit message signal.
 123         if (lv)
 124                 lv->message(_("Reloading configuration..."));
 125         lyxrc.read(libFileSearch(string(), "lyxrc.defaults"));
 126         // Re-read packages.lst
 127         LaTeXFeatures::getAvailable();
 128
 129         if (ret)
 130                 Alert::information(_("System reconfiguration failed"),
 131                            _("The system reconfiguration has failed.\n"
 132                                   "Default textclass is used but LyX may "
 133                                   "not be able to work properly.\n"
 134                                   "Please reconfigure again if needed."));
 135         else
 136
 137                 Alert::information(_("System reconfigured"),
 138                            _("The system has been reconfigured.\n"
 139                              "You need to restart LyX to make use of any\n"
 140                              "updated document class specifications."));
 141 }
 142
 143
 144 bool getLocalStatus(Cursor cursor, FuncRequest const & cmd, FuncStatus & status)
 145 {
 146         // Try to fix cursor in case it is broken.
 147         cursor.fixIfBroken();
 148
 149         // This is, of course, a mess. Better create a new doc iterator and use
 150         // this in Inset::getStatus. This might require an additional
 151         // BufferView * arg, though (which should be avoided)
 152         //Cursor safe = *this;
 153         bool res = false;
 154         for ( ; cursor.depth(); cursor.pop()) {
 155                 //lyxerr << "\nCursor::getStatus: cmd: " << cmd << endl << *this << endl;
 156                 LASSERT(cursor.idx() <= cursor.lastidx(), /**/);
 157                 LASSERT(cursor.pit() <= cursor.lastpit(), /**/);
 158                 LASSERT(cursor.pos() <= cursor.lastpos(), /**/);
 159
 160                 // The inset's getStatus() will return 'true' if it made
 161                 // a definitive decision on whether it want to handle the
 162                 // request or not. The result of this decision is put into
 163                 // the 'status' parameter.
 164                 if (cursor.inset().getStatus(cursor, cmd, status)) {
 165                         res = true;
 166                         break;
 167                 }
 168         }
 169         return res;
 170 }
 171
 172
 173 /** Return the change status at cursor position, taking in account the
 174  * status at each level of the document iterator (a table in a deleted
 175  * footnote is deleted).
 176  * When \param outer is true, the top slice is not looked at.
 177  */
 178 Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
 179 {
 180         size_t const depth = dit.depth() - (outer ? 1 : 0);
 181
 182         for (size_t i = 0 ; i < depth ; ++i) {
 183                 CursorSlice const & slice = dit[i];
 184                 if (!slice.inset().inMathed()
 185                     && slice.pos() < slice.paragraph().size()) {
 186                         Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
 187                         if (ch != Change::UNCHANGED)
 188                                 return ch;
 189                 }
 190         }
 191         return Change::UNCHANGED;
 192 }
 193
 194 }
 195
 196
 197 LyXFunc::LyXFunc()
 198         : lyx_view_(0), encoded_last_key(0), meta_fake_bit(NoModifier)
 199 {
 200 }
 201
 202
 203 void LyXFunc::initKeySequences(KeyMap * kb)
 204 {
 205         keyseq = KeySequence(kb, kb);
 206         cancel_meta_seq = KeySequence(kb, kb);
 207 }
 208
 209
 210 void LyXFunc::setLyXView(LyXView * lv)
 211 {
 212         if (lyx_view_ && lyx_view_->view() && lyx_view_ != lv)
 213                 // save current selection to the selection buffer to allow
 214                 // middle-button paste in another window
 215                 cap::saveSelection(lyx_view_->view()->cursor());
 216         lyx_view_ = lv;
 217 }
 218
 219
 220 void LyXFunc::handleKeyFunc(FuncCode action)
 221 {
 222         char_type c = encoded_last_key;
 223
 224         if (keyseq.length())
 225                 c = 0;
 226
 227         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 228         lyx_view_->view()->getIntl().getTransManager().deadkey(
 229                 c, get_accent(action).accent, view()->cursor().innerText(), view()->cursor());
 230         // Need to clear, in case the minibuffer calls these
 231         // actions
 232         keyseq.clear();
 233         // copied verbatim from do_accent_char
 234         view()->cursor().resetAnchor();
 235         view()->processUpdateFlags(Update::FitCursor);
 236 }
 237
 238 //FIXME: bookmark handling is a frontend issue. This code should be transferred
 239 // to GuiView and be GuiView and be window dependent.
 240 void LyXFunc::gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer)
 241 {
 242         LASSERT(lyx_view_, /**/);
 243         if (!theSession().bookmarks().isValid(idx))
 244                 return;
 245         BookmarksSection::Bookmark const & bm = theSession().bookmarks().bookmark(idx);
 246         LASSERT(!bm.filename.empty(), /**/);
 247         string const file = bm.filename.absFilename();
 248         // if the file is not opened, open it.
 249         if (!theBufferList().exists(bm.filename)) {
 250                 if (openFile)
 251                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
 252                 else
 253                         return;
 254         }
 255         // open may fail, so we need to test it again
 256         if (!theBufferList().exists(bm.filename))
 257                 return;
 258
 259         // if the current buffer is not that one, switch to it.
 260         if (lyx_view_->buffer()->fileName() != bm.filename) {
 261                 if (!switchToBuffer)
 262                         return;
 263                 dispatch(FuncRequest(LFUN_BUFFER_SWITCH, file));
 264         }
 265         // moveToPosition try paragraph id first and then paragraph (pit, pos).
 266         if (!view()->moveToPosition(bm.bottom_pit, bm.bottom_pos,
 267                 bm.top_id, bm.top_pos))
 268                 return;
 269
 270         // Cursor jump succeeded!
 271         Cursor const & cur = view()->cursor();
 272         pit_type new_pit = cur.pit();
 273         pos_type new_pos = cur.pos();
 274         int new_id = cur.paragraph().id();
 275
 276         // if bottom_pit, bottom_pos or top_id has been changed, update bookmark
 277         // see http://bugzilla.lyx.org/show_bug.cgi?id=3092
 278         if (bm.bottom_pit != new_pit || bm.bottom_pos != new_pos
 279                 || bm.top_id != new_id) {
 280                 const_cast<BookmarksSection::Bookmark &>(bm).updatePos(
 281                         new_pit, new_pos, new_id);
 282         }
 283 }
 284
 285
 286 void LyXFunc::processKeySym(KeySymbol const & keysym, KeyModifier state)
 287 {
 288         LYXERR(Debug::KEY, "KeySym is " << keysym.getSymbolName());
 289
 290         // Do nothing if we have nothing (JMarc)
 291         if (!keysym.isOK()) {
 292                 LYXERR(Debug::KEY, "Empty kbd action (probably composing)");
 293                 lyx_view_->restartCursor();
 294                 return;
 295         }
 296
 297         if (keysym.isModifier()) {
 298                 LYXERR(Debug::KEY, "isModifier true");
 299                 if (lyx_view_)
 300                         lyx_view_->restartCursor();
 301                 return;
 302         }
 303
 304         //Encoding const * encoding = view()->cursor().getEncoding();
 305         //encoded_last_key = keysym.getISOEncoded(encoding ? encoding->name() : "");
 306         // FIXME: encoded_last_key shadows the member variable of the same
 307         // name. Is that intended?
 308         char_type encoded_last_key = keysym.getUCSEncoded();
 309
 310         // Do a one-deep top-level lookup for
 311         // cancel and meta-fake keys. RVDK_PATCH_5
 312         cancel_meta_seq.reset();
 313
 314         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 315         LYXERR(Debug::KEY, "action first set to [" << func.action << ']');
 316
 317         // When not cancel or meta-fake, do the normal lookup.
 318         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 319         // Mostly, meta_fake_bit = NoModifier. RVDK_PATCH_5.
 320         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_PREFIX)) {
 321                 // remove Caps Lock and Mod2 as a modifiers
 322                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 323                 LYXERR(Debug::KEY, "action now set to [" << func.action << ']');
 324         }
 325
 326         // Dont remove this unless you know what you are doing.
 327         meta_fake_bit = NoModifier;
 328
 329         // Can this happen now ?
 330         if (func.action == LFUN_NOACTION)
 331                 func = FuncRequest(LFUN_COMMAND_PREFIX);
 332
 333         LYXERR(Debug::KEY, " Key [action=" << func.action << "]["
 334                 << keyseq.print(KeySequence::Portable) << ']');
 335
 336         // already here we know if it any point in going further
 337         // why not return already here if action == -1 and
 338         // num_bytes == 0? (Lgb)
 339
 340         if (keyseq.length() > 1)
 341                 lyx_view_->message(keyseq.print(KeySequence::ForGui));
 342
 343
 344         // Maybe user can only reach the key via holding down shift.
 345         // Let's see. But only if shift is the only modifier
 346         if (func.action == LFUN_UNKNOWN_ACTION && state == ShiftModifier) {
 347                 LYXERR(Debug::KEY, "Trying without shift");
 348                 func = keyseq.addkey(keysym, NoModifier);
 349                 LYXERR(Debug::KEY, "Action now " << func.action);
 350         }
 351
 352         if (func.action == LFUN_UNKNOWN_ACTION) {
 353                 // Hmm, we didn't match any of the keysequences. See
 354                 // if it's normal insertable text not already covered
 355                 // by a binding
 356                 if (keysym.isText() && keyseq.length() == 1) {
 357                         LYXERR(Debug::KEY, "isText() is true, inserting.");
 358                         func = FuncRequest(LFUN_SELF_INSERT,
 359                                            FuncRequest::KEYBOARD);
 360                 } else {
 361                         LYXERR(Debug::KEY, "Unknown, !isText() - giving up");
 362                         lyx_view_->message(_("Unknown function."));
 363                         lyx_view_->restartCursor();
 364                         return;
 365                 }
 366         }
 367
 368         if (func.action == LFUN_SELF_INSERT) {
 369                 if (encoded_last_key != 0) {
 370                         docstring const arg(1, encoded_last_key);
 371                         dispatch(FuncRequest(LFUN_SELF_INSERT, arg,
 372                                              FuncRequest::KEYBOARD));
 373                         LYXERR(Debug::KEY, "SelfInsert arg[`" << to_utf8(arg) << "']");
 374                 }
 375         } else {
 376                 dispatch(func);
 377                 if (!lyx_view_)
 378                         return;
 379         }
 380 }
 381
 382
 383 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 384 {
 385         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
 386         FuncStatus flag;
 387
 388         Buffer * buf = lyx_view_ ? lyx_view_->buffer() : 0;
 389
 390         if (cmd.action == LFUN_NOACTION) {
 391                 flag.message(from_utf8(N_("Nothing to do")));
 392                 flag.setEnabled(false);
 393                 return flag;
 394         }
 395
 396         switch (cmd.action) {
 397         case LFUN_UNKNOWN_ACTION:
 398 #if !defined(HAVE_LIBMYTHES) && !defined(HAVE_LIBAIKSAURUS)
 399         case LFUN_THESAURUS_ENTRY:
 400 #endif
 401                 flag.unknown(true);
 402                 flag.setEnabled(false);
 403                 break;
 404
 405         default:
 406                 break;
 407         }
 408
 409         if (flag.unknown()) {
 410                 flag.message(from_utf8(N_("Unknown action")));
 411                 return flag;
 412         }
 413
 414         if (!flag.enabled()) {
 415                 if (flag.message().empty())
 416                         flag.message(from_utf8(N_("Command disabled")));
 417                 return flag;
 418         }
 419
 420         // Check whether we need a buffer
 421         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 422                 // no, exit directly
 423                 flag.message(from_utf8(N_("Command not allowed with"
 424                                     "out any document open")));
 425                 flag.setEnabled(false);
 426                 return flag;
 427         }
 428
 429         // I would really like to avoid having this switch and rather try to
 430         // encode this in the function itself.
 431         // -- And I'd rather let an inset decide which LFUNs it is willing
 432         // to handle (Andre')
 433         bool enable = true;
 434         switch (cmd.action) {
 435
 436         case LFUN_BUFFER_TOGGLE_READ_ONLY:
 437                 flag.setOnOff(buf->isReadonly());
 438                 break;
 439
 440         case LFUN_BUFFER_SWITCH:
 441                 // toggle on the current buffer, but do not toggle off
 442                 // the other ones (is that a good idea?)
 443                 if (buf && to_utf8(cmd.argument()) == buf->absFileName())
 444                         flag.setOnOff(true);
 445                 break;
 446
 447         case LFUN_BUFFER_EXPORT:
 448                 enable = cmd.argument() == "custom"
 449                         || buf->isExportable(to_utf8(cmd.argument()));
 450                 break;
 451
 452         case LFUN_BUFFER_CHKTEX:
 453                 enable = buf->isLatex() && !lyxrc.chktex_command.empty();
 454                 break;
 455
 456         case LFUN_BUILD_PROGRAM:
 457                 enable = buf->isExportable("program");
 458                 break;
 459
 460         case LFUN_VC_REGISTER:
 461                 enable = !buf->lyxvc().inUse() && !buf->isUnnamed();
 462                 break;
 463         case LFUN_VC_CHECK_IN:
 464                 enable = buf->lyxvc().checkInEnabled();
 465                 break;
 466         case LFUN_VC_CHECK_OUT:
 467                 enable = buf->lyxvc().checkOutEnabled();
 468                 break;
 469         case LFUN_VC_REVERT:
 470                 enable = buf->lyxvc().inUse();
 471                 break;
 472         case LFUN_VC_UNDO_LAST:
 473                 enable = buf->lyxvc().undoLastEnabled();
 474                 break;
 475         case LFUN_BUFFER_RELOAD:
 476                 enable = !buf->isUnnamed() && buf->fileName().exists()
 477                         && (!buf->isClean() || buf->isExternallyModified(Buffer::timestamp_method));
 478                 break;
 479
 480         case LFUN_CITATION_INSERT: {
 481                 FuncRequest fr(LFUN_INSET_INSERT, "citation");
 482                 enable = getStatus(fr).enabled();
 483                 break;
 484         }
 485
 486         // This could be used for the no-GUI version. The GUI version is handled in
 487         // LyXView::getStatus(). See above.
 488         /*
 489         case LFUN_BUFFER_WRITE:
 490         case LFUN_BUFFER_WRITE_AS: {
 491                 Buffer * b = theBufferList().getBuffer(FileName(cmd.getArg(0)));
 492                 enable = b && (b->isUnnamed() || !b->isClean());
 493                 break;
 494         }
 495         */
 496
 497         case LFUN_BUFFER_WRITE_ALL: {
 498                 // We enable the command only if there are some modified buffers
 499                 Buffer * first = theBufferList().first();
 500                 enable = false;
 501                 if (!first)
 502                         break;
 503                 Buffer * b = first;
 504                 // We cannot use a for loop as the buffer list is a cycle.
 505                 do {
 506                         if (!b->isClean()) {
 507                                 enable = true;
 508                                 break;
 509                         }
 510                         b = theBufferList().next(b);
 511                 } while (b != first);
 512                 break;
 513         }
 514
 515         case LFUN_BOOKMARK_GOTO: {
 516                 const unsigned int num = convert<unsigned int>(to_utf8(cmd.argument()));
 517                 enable = theSession().bookmarks().isValid(num);
 518                 break;
 519         }
 520
 521         case LFUN_BOOKMARK_CLEAR:
 522                 enable = theSession().bookmarks().size() > 0;
 523                 break;
 524
 525         // this one is difficult to get right. As a half-baked
 526         // solution, we consider only the first action of the sequence
 527         case LFUN_COMMAND_SEQUENCE: {
 528                 // argument contains ';'-terminated commands
 529                 string const firstcmd = token(to_utf8(cmd.argument()), ';', 0);
 530                 FuncRequest func(lyxaction.lookupFunc(firstcmd));
 531                 func.origin = cmd.origin;
 532                 flag = getStatus(func);
 533                 break;
 534         }
 535
 536         // we want to check if at least one of these is enabled
 537         case LFUN_COMMAND_ALTERNATIVES: {
 538                 // argument contains ';'-terminated commands
 539                 string arg = to_utf8(cmd.argument());
 540                 while (!arg.empty()) {
 541                         string first;
 542                         arg = split(arg, first, ';');
 543                         FuncRequest func(lyxaction.lookupFunc(first));
 544                         func.origin = cmd.origin;
 545                         flag = getStatus(func);
 546                         // if this one is enabled, the whole thing is
 547                         if (flag.enabled())
 548                                 break;
 549                 }
 550                 break;
 551         }
 552
 553         case LFUN_CALL: {
 554                 FuncRequest func;
 555                 string name = to_utf8(cmd.argument());
 556                 if (theTopLevelCmdDef().lock(name, func)) {
 557                         func.origin = cmd.origin;
 558                         flag = getStatus(func);
 559                         theTopLevelCmdDef().release(name);
 560                 } else {
 561                         // catch recursion or unknown command definiton
 562                         // all operations until the recursion or unknown command
 563                         // definiton occures are performed, so set the state to enabled
 564                         enable = true;
 565                 }
 566                 break;
 567         }
 568
 569         case LFUN_WORD_FIND_FORWARD:
 570         case LFUN_WORD_FIND_BACKWARD:
 571         case LFUN_WORD_FINDADV:
 572         case LFUN_COMMAND_PREFIX:
 573         case LFUN_COMMAND_EXECUTE:
 574         case LFUN_CANCEL:
 575         case LFUN_META_PREFIX:
 576         case LFUN_BUFFER_CLOSE:
 577         case LFUN_BUFFER_UPDATE:
 578         case LFUN_BUFFER_VIEW:
 579         case LFUN_MASTER_BUFFER_UPDATE:
 580         case LFUN_MASTER_BUFFER_VIEW:
 581         case LFUN_BUFFER_IMPORT:
 582         case LFUN_BUFFER_AUTO_SAVE:
 583         case LFUN_RECONFIGURE:
 584         case LFUN_HELP_OPEN:
 585         case LFUN_DROP_LAYOUTS_CHOICE:
 586         case LFUN_MENU_OPEN:
 587         case LFUN_SERVER_GET_FILENAME:
 588         case LFUN_SERVER_NOTIFY:
 589         case LFUN_SERVER_GOTO_FILE_ROW:
 590         case LFUN_DIALOG_HIDE:
 591         case LFUN_DIALOG_DISCONNECT_INSET:
 592         case LFUN_BUFFER_CHILD_OPEN:
 593         case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
 594         case LFUN_KEYMAP_OFF:
 595         case LFUN_KEYMAP_PRIMARY:
 596         case LFUN_KEYMAP_SECONDARY:
 597         case LFUN_KEYMAP_TOGGLE:
 598         case LFUN_REPEAT:
 599         case LFUN_BUFFER_EXPORT_CUSTOM:
 600         case LFUN_BUFFER_PRINT:
 601         case LFUN_PREFERENCES_SAVE:
 602         case LFUN_MESSAGE:
 603         case LFUN_INSET_EDIT:
 604         case LFUN_BUFFER_LANGUAGE:
 605         case LFUN_TEXTCLASS_APPLY:
 606         case LFUN_TEXTCLASS_LOAD:
 607         case LFUN_BUFFER_SAVE_AS_DEFAULT:
 608         case LFUN_BUFFER_PARAMS_APPLY:
 609         case LFUN_LAYOUT_MODULES_CLEAR:
 610         case LFUN_LAYOUT_MODULE_ADD:
 611         case LFUN_LAYOUT_RELOAD:
 612         case LFUN_LYXRC_APPLY:
 613         case LFUN_BUFFER_NEXT:
 614         case LFUN_BUFFER_PREVIOUS:
 615                 // these are handled in our dispatch()
 616                 break;
 617
 618         default:
 619                 if (!theApp()) {
 620                         enable = false;
 621                         break;
 622                 }
 623                 if (theApp()->getStatus(cmd, flag))
 624                         break;
 625
 626                 // Does the view know something?
 627                 if (!lyx_view_) {
 628                         enable = false;
 629                         break;
 630                 }
 631                 if (lyx_view_->getStatus(cmd, flag))
 632                         break;
 633
 634                 // If we have a BufferView, try cursor position and
 635                 // then the BufferView.
 636                 if (!view()) {
 637                         enable = false;
 638                         break;
 639                 }
 640                 if (!getLocalStatus(view()->cursor(), cmd, flag))
 641                         flag = view()->getStatus(cmd);
 642         }
 643
 644         if (!enable)
 645                 flag.setEnabled(false);
 646
 647         // Can we use a readonly buffer?
 648         if (buf && buf->isReadonly()
 649             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 650             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 651                 flag.message(from_utf8(N_("Document is read-only")));
 652                 flag.setEnabled(false);
 653         }
 654
 655         // Are we in a DELETED change-tracking region?
 656         if (buf && view()
 657                 && lookupChangeType(view()->cursor(), true) == Change::DELETED
 658             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 659             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 660                 flag.message(from_utf8(N_("This portion of the document is deleted.")));
 661                 flag.setEnabled(false);
 662         }
 663
 664         // the default error message if we disable the command
 665         if (!flag.enabled() && flag.message().empty())
 666                 flag.message(from_utf8(N_("Command disabled")));
 667
 668         return flag;
 669 }
 670
 671
 672 bool LyXFunc::ensureBufferClean(BufferView * bv)
 673 {
 674         Buffer & buf = bv->buffer();
 675         if (buf.isClean())
 676                 return true;
 677
 678         docstring const file = buf.fileName().displayName(30);
 679         docstring text = bformat(_("The document %1$s has unsaved "
 680                                              "changes.\n\nDo you want to save "
 681                                              "the document?"), file);
 682         int const ret = Alert::prompt(_("Save changed document?"),
 683                                       text, 0, 1, _("&Save"),
 684                                       _("&Cancel"));
 685
 686         if (ret == 0)
 687                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
 688
 689         return buf.isClean();
 690 }
 691
 692
 693 namespace {
 694
 695 void showPrintError(string const & name)
 696 {
 697         docstring str = bformat(_("Could not print the document %1$s.\n"
 698                                             "Check that your printer is set up correctly."),
 699                              makeDisplayPath(name, 50));
 700         Alert::error(_("Print document failed"), str);
 701 }
 702
 703
 704 bool loadLayoutFile(string const & name, string const & buf_path)
 705 {
 706         if (!LayoutFileList::get().haveClass(name)) {
 707                 lyxerr << "Document class \"" << name
 708                        << "\" does not exist."
 709                        << endl;
 710                 return false;
 711         }
 712
 713         LayoutFile & tc = LayoutFileList::get()[name];
 714         if (!tc.load(buf_path)) {
 715                 docstring s = bformat(_("The document class %1$s "
 716                                    "could not be loaded."), from_utf8(name));
 717                 Alert::error(_("Could not load class"), s);
 718                 return false;
 719         }
 720         return true;
 721 }
 722
 723
 724 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new);
 725
 726 } //namespace anon
 727
 728
 729 void LyXFunc::dispatch(FuncRequest const & cmd)
 730 {
 731         string const argument = to_utf8(cmd.argument());
 732         FuncCode const action = cmd.action;
 733
 734         LYXERR(Debug::ACTION, "\nLyXFunc::dispatch: cmd: " << cmd);
 735         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 736
 737         // we have not done anything wrong yet.
 738         errorstat = false;
 739         dispatch_buffer.erase();
 740
 741         // redraw the screen at the end (first of the two drawing steps).
 742         //This is done unless explicitely requested otherwise
 743         Update::flags updateFlags = Update::FitCursor;
 744
 745         FuncStatus const flag = getStatus(cmd);
 746         if (!flag.enabled()) {
 747                 // We cannot use this function here
 748                 LYXERR(Debug::ACTION, "LyXFunc::dispatch: "
 749                        << lyxaction.getActionName(action)
 750                        << " [" << action << "] is disabled at this location");
 751                 setErrorMessage(flag.message());
 752                 if (lyx_view_)
 753                         lyx_view_->restartCursor();
 754         } else {
 755                 Buffer * buffer = lyx_view_ ? lyx_view_->buffer() : 0;
 756                 switch (action) {
 757
 758                 case LFUN_WORD_FIND_FORWARD:
 759                 case LFUN_WORD_FIND_BACKWARD: {
 760                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 761                         static docstring last_search;
 762                         docstring searched_string;
 763
 764                         if (!cmd.argument().empty()) {
 765                                 last_search = cmd.argument();
 766                                 searched_string = cmd.argument();
 767                         } else {
 768                                 searched_string = last_search;
 769                         }
 770
 771                         if (searched_string.empty())
 772                                 break;
 773
 774                         bool const fw = action == LFUN_WORD_FIND_FORWARD;
 775                         docstring const data =
 776                                 find2string(searched_string, true, false, fw);
 777                         find(view(), FuncRequest(LFUN_WORD_FIND, data));
 778                         break;
 779                 }
 780
 781                 case LFUN_COMMAND_PREFIX:
 782                         LASSERT(lyx_view_, /**/);
 783                         lyx_view_->message(keyseq.printOptions(true));
 784                         break;
 785
 786                 case LFUN_CANCEL:
 787                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 788                         keyseq.reset();
 789                         meta_fake_bit = NoModifier;
 790                         if (buffer)
 791                                 // cancel any selection
 792                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 793                         setMessage(from_ascii(N_("Cancel")));
 794                         break;
 795
 796                 case LFUN_META_PREFIX:
 797                         meta_fake_bit = AltModifier;
 798                         setMessage(keyseq.print(KeySequence::ForGui));
 799                         break;
 800
 801                 case LFUN_BUFFER_TOGGLE_READ_ONLY: {
 802                         LASSERT(lyx_view_ && lyx_view_->view() && buffer, /**/);
 803                         if (buffer->lyxvc().inUse())
 804                                 buffer->lyxvc().toggleReadOnly();
 805                         else
 806                                 buffer->setReadonly(!buffer->isReadonly());
 807                         break;
 808                 }
 809
 810                 // --- Menus -----------------------------------------------
 811                 case LFUN_BUFFER_CLOSE:
 812                         lyx_view_->closeBuffer();
 813                         buffer = 0;
 814                         updateFlags = Update::None;
 815                         break;
 816
 817                 case LFUN_BUFFER_RELOAD: {
 818                         LASSERT(lyx_view_ && buffer, /**/);
 819                         docstring const file = makeDisplayPath(buffer->absFileName(), 20);
 820                         docstring text = bformat(_("Any changes will be lost. Are you sure "
 821                                                              "you want to revert to the saved version of the document %1$s?"), file);
 822                         int const ret = Alert::prompt(_("Revert to saved document?"),
 823                                 text, 1, 1, _("&Revert"), _("&Cancel"));
 824
 825                         if (ret == 0)
 826                                 reloadBuffer();
 827                         break;
 828                 }
 829
 830                 case LFUN_BUFFER_UPDATE:
 831                         LASSERT(lyx_view_ && buffer, /**/);
 832                         buffer->doExport(argument, true);
 833                         break;
 834
 835                 case LFUN_BUFFER_VIEW:
 836                         LASSERT(lyx_view_ && buffer, /**/);
 837                         buffer->preview(argument);
 838                         break;
 839
 840                 case LFUN_MASTER_BUFFER_UPDATE:
 841                         LASSERT(lyx_view_ && buffer && buffer->masterBuffer(), /**/);
 842                         buffer->masterBuffer()->doExport(argument, true);
 843                         break;
 844
 845                 case LFUN_MASTER_BUFFER_VIEW:
 846                         LASSERT(lyx_view_ && buffer && buffer->masterBuffer(), /**/);
 847                         buffer->masterBuffer()->preview(argument);
 848                         break;
 849
 850                 case LFUN_BUILD_PROGRAM:
 851                         LASSERT(lyx_view_ && buffer, /**/);
 852                         buffer->doExport("program", true);
 853                         break;
 854
 855                 case LFUN_BUFFER_CHKTEX:
 856                         LASSERT(lyx_view_ && buffer, /**/);
 857                         buffer->runChktex();
 858                         break;
 859
 860                 case LFUN_BUFFER_EXPORT:
 861                         LASSERT(lyx_view_ && buffer, /**/);
 862                         if (argument == "custom")
 863                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"));
 864                         else
 865                                 buffer->doExport(argument, false);
 866                         break;
 867
 868                 case LFUN_BUFFER_EXPORT_CUSTOM: {
 869                         LASSERT(lyx_view_ && buffer, /**/);
 870                         string format_name;
 871                         string command = split(argument, format_name, ' ');
 872                         Format const * format = formats.getFormat(format_name);
 873                         if (!format) {
 874                                 lyxerr << "Format \"" << format_name
 875                                        << "\" not recognized!"
 876                                        << endl;
 877                                 break;
 878                         }
 879
 880                         // The name of the file created by the conversion process
 881                         string filename;
 882
 883                         // Output to filename
 884                         if (format->name() == "lyx") {
 885                                 string const latexname = buffer->latexName(false);
 886                                 filename = changeExtension(latexname,
 887                                                            format->extension());
 888                                 filename = addName(buffer->temppath(), filename);
 889
 890                                 if (!buffer->writeFile(FileName(filename)))
 891                                         break;
 892
 893                         } else {
 894                                 buffer->doExport(format_name, true, filename);
 895                         }
 896
 897                         // Substitute $$FName for filename
 898                         if (!contains(command, "$$FName"))
 899                                 command = "( " + command + " ) < $$FName";
 900                         command = subst(command, "$$FName", filename);
 901
 902                         // Execute the command in the background
 903                         Systemcall call;
 904                         call.startscript(Systemcall::DontWait, command);
 905                         break;
 906                 }
 907
 908                 case LFUN_BUFFER_PRINT: {
 909                         LASSERT(lyx_view_ && buffer, /**/);
 910                         // FIXME: cmd.getArg() might fail if one of the arguments
 911                         // contains double quotes
 912                         string target = cmd.getArg(0);
 913                         string target_name = cmd.getArg(1);
 914                         string command = cmd.getArg(2);
 915
 916                         if (target.empty()
 917                             || target_name.empty()
 918                             || command.empty()) {
 919                                 lyxerr << "Unable to parse \""
 920                                        << argument << '"' << endl;
 921                                 break;
 922                         }
 923                         if (target != "printer" && target != "file") {
 924                                 lyxerr << "Unrecognized target \""
 925                                        << target << '"' << endl;
 926                                 break;
 927                         }
 928
 929                         if (!buffer->doExport("dvi", true)) {
 930                                 showPrintError(buffer->absFileName());
 931                                 break;
 932                         }
 933
 934                         // Push directory path.
 935                         string const path = buffer->temppath();
 936                         // Prevent the compiler from optimizing away p
 937                         FileName pp(path);
 938                         PathChanger p(pp);
 939
 940                         // there are three cases here:
 941                         // 1. we print to a file
 942                         // 2. we print directly to a printer
 943                         // 3. we print using a spool command (print to file first)
 944                         Systemcall one;
 945                         int res = 0;
 946                         string const dviname =
 947                                 changeExtension(buffer->latexName(true), "dvi");
 948
 949                         if (target == "printer") {
 950                                 if (!lyxrc.print_spool_command.empty()) {
 951                                         // case 3: print using a spool
 952                                         string const psname =
 953                                                 changeExtension(dviname,".ps");
 954                                         command += ' ' + lyxrc.print_to_file
 955                                                 + quoteName(psname)
 956                                                 + ' '
 957                                                 + quoteName(dviname);
 958
 959                                         string command2 =
 960                                                 lyxrc.print_spool_command + ' ';
 961                                         if (target_name != "default") {
 962                                                 command2 += lyxrc.print_spool_printerprefix
 963                                                         + target_name
 964                                                         + ' ';
 965                                         }
 966                                         command2 += quoteName(psname);
 967                                         // First run dvips.
 968                                         // If successful, then spool command
 969                                         res = one.startscript(
 970                                                 Systemcall::Wait,
 971                                                 command);
 972
 973                                         if (res == 0)
 974                                                 res = one.startscript(
 975                                                         Systemcall::DontWait,
 976                                                         command2);
 977                                 } else {
 978                                         // case 2: print directly to a printer
 979                                         if (target_name != "default")
 980                                                 command += ' ' + lyxrc.print_to_printer + target_name + ' ';
 981                                         res = one.startscript(
 982                                                 Systemcall::DontWait,
 983                                                 command + quoteName(dviname));
 984                                 }
 985
 986                         } else {
 987                                 // case 1: print to a file
 988                                 FileName const filename(makeAbsPath(target_name,
 989                                                         buffer->filePath()));
 990                                 FileName const dvifile(makeAbsPath(dviname, path));
 991                                 if (filename.exists()) {
 992                                         docstring text = bformat(
 993                                                 _("The file %1$s already exists.\n\n"
 994                                                   "Do you want to overwrite that file?"),
 995                                                 makeDisplayPath(filename.absFilename()));
 996                                         if (Alert::prompt(_("Overwrite file?"),
 997                                             text, 0, 1, _("&Overwrite"), _("&Cancel")) != 0)
 998                                                 break;
 999                                 }
1000                                 command += ' ' + lyxrc.print_to_file
1001                                         + quoteName(filename.toFilesystemEncoding())
1002                                         + ' '
1003                                         + quoteName(dvifile.toFilesystemEncoding());
1004                                 res = one.startscript(Systemcall::DontWait,
1005                                                       command);
1006                         }
1007
1008                         if (res != 0)
1009                                 showPrintError(buffer->absFileName());
1010                         break;
1011                 }
1012
1013                 // FIXME: There is need for a command-line import.
1014                 /*
1015                 case LFUN_BUFFER_IMPORT:
1016                         doImport(argument);
1017                         break;
1018                 */
1019
1020                 case LFUN_BUFFER_AUTO_SAVE:
1021                         buffer->autoSave();
1022                         break;
1023
1024                 case LFUN_RECONFIGURE:
1025                         // argument is any additional parameter to the configure.py command
1026                         reconfigure(lyx_view_, argument);
1027                         break;
1028
1029                 case LFUN_HELP_OPEN: {
1030                         if (lyx_view_ == 0)
1031                                 theApp()->dispatch(FuncRequest(LFUN_WINDOW_NEW));
1032                         string const arg = argument;
1033                         if (arg.empty()) {
1034                                 setErrorMessage(from_utf8(N_("Missing argument")));
1035                                 break;
1036                         }
1037                         FileName fname = i18nLibFileSearch("doc", arg, "lyx");
1038                         if (fname.empty())
1039                                 fname = i18nLibFileSearch("examples", arg, "lyx");
1040
1041                         if (fname.empty()) {
1042                                 lyxerr << "LyX: unable to find documentation file `"
1043                                                          << arg << "'. Bad installation?" << endl;
1044                                 break;
1045                         }
1046                         lyx_view_->message(bformat(_("Opening help file %1$s..."),
1047                                 makeDisplayPath(fname.absFilename())));
1048                         Buffer * buf = lyx_view_->loadDocument(fname, false);
1049                         if (buf) {
1050                                 buf->updateLabels();
1051                                 lyx_view_->setBuffer(buf);
1052                                 buf->errors("Parse");
1053                         }
1054                         updateFlags = Update::None;
1055                         break;
1056                 }
1057
1058                 // --- version control -------------------------------
1059                 case LFUN_VC_REGISTER:
1060                         LASSERT(lyx_view_ && buffer, /**/);
1061                         if (!ensureBufferClean(view()) || buffer->isUnnamed())
1062                                 break;
1063                         if (!buffer->lyxvc().inUse()) {
1064                                 buffer->lyxvc().registrer();
1065                                 reloadBuffer();
1066                         }
1067                         updateFlags = Update::Force;
1068                         break;
1069
1070                 case LFUN_VC_CHECK_IN:
1071                         LASSERT(lyx_view_ && buffer, /**/);
1072                         if (!ensureBufferClean(view()))
1073                                 break;
1074                         if (buffer->lyxvc().inUse()
1075                                         && !buffer->isReadonly()) {
1076                                 setMessage(from_utf8(buffer->lyxvc().checkIn()));
1077                                 reloadBuffer();
1078                         }
1079                         break;
1080
1081                 case LFUN_VC_CHECK_OUT:
1082                         LASSERT(lyx_view_ && buffer, /**/);
1083                         if (!ensureBufferClean(view()))
1084                                 break;
1085                         if (buffer->lyxvc().inUse()) {
1086                                 setMessage(from_utf8(buffer->lyxvc().checkOut()));
1087                                 reloadBuffer();
1088                         }
1089                         break;
1090
1091                 case LFUN_VC_REVERT:
1092                         LASSERT(lyx_view_ && buffer, /**/);
1093                         buffer->lyxvc().revert();
1094                         reloadBuffer();
1095                         break;
1096
1097                 case LFUN_VC_UNDO_LAST:
1098                         LASSERT(lyx_view_ && buffer, /**/);
1099                         buffer->lyxvc().undoLast();
1100                         reloadBuffer();
1101                         break;
1102
1103                 // --- lyxserver commands ----------------------------
1104                 case LFUN_SERVER_GET_FILENAME:
1105                         LASSERT(lyx_view_ && buffer, /**/);
1106                         setMessage(from_utf8(buffer->absFileName()));
1107                         LYXERR(Debug::INFO, "FNAME["
1108                                 << buffer->absFileName() << ']');
1109                         break;
1110
1111                 case LFUN_SERVER_NOTIFY:
1112                         dispatch_buffer = keyseq.print(KeySequence::Portable);
1113                         theServer().notifyClient(to_utf8(dispatch_buffer));
1114                         break;
1115
1116                 case LFUN_SERVER_GOTO_FILE_ROW: {
1117                         LASSERT(lyx_view_, /**/);
1118                         string file_name;
1119                         int row;
1120                         istringstream is(argument);
1121                         is >> file_name >> row;
1122                         Buffer * buf = 0;
1123                         bool loaded = false;
1124                         if (prefixIs(file_name, package().temp_dir().absFilename()))
1125                                 // Needed by inverse dvi search. If it is a file
1126                                 // in tmpdir, call the apropriated function
1127                                 buf = theBufferList().getBufferFromTmp(file_name);
1128                         else {
1129                                 // Must replace extension of the file to be .lyx
1130                                 // and get full path
1131                                 FileName const s = fileSearch(string(), changeExtension(file_name, ".lyx"), "lyx");
1132                                 // Either change buffer or load the file
1133                                 if (theBufferList().exists(s))
1134                                         buf = theBufferList().getBuffer(s);
1135                                 else {
1136                                         buf = lyx_view_->loadDocument(s);
1137                                         loaded = true;
1138                                 }
1139                         }
1140
1141                         if (!buf) {
1142                                 updateFlags = Update::None;
1143                                 break;
1144                         }
1145
1146                         buf->updateLabels();
1147                         lyx_view_->setBuffer(buf);
1148                         view()->setCursorFromRow(row);
1149                         if (loaded)
1150                                 buf->errors("Parse");
1151                         updateFlags = Update::FitCursor;
1152                         break;
1153                 }
1154
1155
1156                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1157                         LASSERT(lyx_view_, /**/);
1158                         string const name = cmd.getArg(0);
1159                         InsetCode code = insetCode(name);
1160                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1161                         bool insetCodeOK = true;
1162                         switch (code) {
1163                         case BIBITEM_CODE:
1164                         case BIBTEX_CODE:
1165                         case INDEX_CODE:
1166                         case LABEL_CODE:
1167                         case NOMENCL_CODE:
1168                         case REF_CODE:
1169                         case TOC_CODE:
1170                         case HYPERLINK_CODE: {
1171                                 InsetCommandParams p(code);
1172                                 data = InsetCommand::params2string(name, p);
1173                                 break;
1174                         }
1175                         case INCLUDE_CODE: {
1176                                 // data is the include type: one of "include",
1177                                 // "input", "verbatiminput" or "verbatiminput*"
1178                                 if (data.empty())
1179                                         // default type is requested
1180                                         data = "include";
1181                                 InsetCommandParams p(INCLUDE_CODE, data);
1182                                 data = InsetCommand::params2string("include", p);
1183                                 break;
1184                         }
1185                         case BOX_CODE: {
1186                                 // \c data == "Boxed" || "Frameless" etc
1187                                 InsetBoxParams p(data);
1188                                 data = InsetBox::params2string(p);
1189                                 break;
1190                         }
1191                         case BRANCH_CODE: {
1192                                 InsetBranchParams p;
1193                                 data = InsetBranch::params2string(p);
1194                                 break;
1195                         }
1196                         case CITE_CODE: {
1197                                 InsetCommandParams p(CITE_CODE);
1198                                 data = InsetCommand::params2string(name, p);
1199                                 break;
1200                         }
1201                         case ERT_CODE: {
1202                                 data = InsetERT::params2string(InsetCollapsable::Open);
1203                                 break;
1204                         }
1205                         case EXTERNAL_CODE: {
1206                                 InsetExternalParams p;
1207                                 data = InsetExternal::params2string(p, *buffer);
1208                                 break;
1209                         }
1210                         case FLOAT_CODE:  {
1211                                 InsetFloatParams p;
1212                                 data = InsetFloat::params2string(p);
1213                                 break;
1214                         }
1215                         case LISTINGS_CODE: {
1216                                 InsetListingsParams p;
1217                                 data = InsetListings::params2string(p);
1218                                 break;
1219                         }
1220                         case GRAPHICS_CODE: {
1221                                 InsetGraphicsParams p;
1222                                 data = InsetGraphics::params2string(p, *buffer);
1223                                 break;
1224                         }
1225                         case NOTE_CODE: {
1226                                 InsetNoteParams p;
1227                                 data = InsetNote::params2string(p);
1228                                 break;
1229                         }
1230                         case SPACE_CODE: {
1231                                 InsetSpaceParams p;
1232                                 data = InsetSpace::params2string(p);
1233                                 break;
1234                         }
1235                         case VSPACE_CODE: {
1236                                 VSpace space;
1237                                 data = InsetVSpace::params2string(space);
1238                                 break;
1239                         }
1240                         case WRAP_CODE: {
1241                                 InsetWrapParams p;
1242                                 data = InsetWrap::params2string(p);
1243                                 break;
1244                         }
1245                         default:
1246                                 lyxerr << "Inset type '" << name <<
1247                                         "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" <<  endl;
1248                                 insetCodeOK = false;
1249                                 break;
1250                         } // end switch(code)
1251                         if (insetCodeOK)
1252                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
1253                         break;
1254                 }
1255
1256                 case LFUN_CITATION_INSERT: {
1257                         LASSERT(lyx_view_, /**/);
1258                         if (!argument.empty()) {
1259                                 // we can have one optional argument, delimited by '|'
1260                                 // citation-insert <key>|<text_before>
1261                                 // this should be enhanced to also support text_after
1262                                 // and citation style
1263                                 string arg = argument;
1264                                 string opt1;
1265                                 if (contains(argument, "|")) {
1266                                         arg = token(argument, '|', 0);
1267                                         opt1 = token(argument, '|', 1);
1268                                 }
1269                                 InsetCommandParams icp(CITE_CODE);
1270                                 icp["key"] = from_utf8(arg);
1271                                 if (!opt1.empty())
1272                                         icp["before"] = from_utf8(opt1);
1273                                 string icstr = InsetCommand::params2string("citation", icp);
1274                                 FuncRequest fr(LFUN_INSET_INSERT, icstr);
1275                                 dispatch(fr);
1276                         } else
1277                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
1278                         break;
1279                 }
1280
1281                 case LFUN_BUFFER_CHILD_OPEN: {
1282                         LASSERT(lyx_view_ && buffer, /**/);
1283                         FileName filename = makeAbsPath(argument, buffer->filePath());
1284                         view()->saveBookmark(false);
1285                         Buffer * child = 0;
1286                         bool parsed = false;
1287                         if (theBufferList().exists(filename)) {
1288                                 child = theBufferList().getBuffer(filename);
1289                         } else {
1290                                 setMessage(bformat(_("Opening child document %1$s..."),
1291                                         makeDisplayPath(filename.absFilename())));
1292                                 child = lyx_view_->loadDocument(filename, false);
1293                                 parsed = true;
1294                         }
1295                         if (child) {
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                                 child->setParent(buffer);
1300                                 child->masterBuffer()->updateLabels();
1301                                 lyx_view_->setBuffer(child);
1302                                 if (parsed)
1303                                         child->errors("Parse");
1304                         }
1305
1306                         // If a screen update is required (in case where auto_open is false),
1307                         // setBuffer() would have taken care of it already. Otherwise we shall
1308                         // reset the update flag because it can cause a circular problem.
1309                         // See bug 3970.
1310                         updateFlags = Update::None;
1311                         break;
1312                 }
1313
1314                 case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
1315                         LASSERT(lyx_view_, /**/);
1316                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1317                         break;
1318
1319                 case LFUN_KEYMAP_OFF:
1320                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1321                         lyx_view_->view()->getIntl().keyMapOn(false);
1322                         break;
1323
1324                 case LFUN_KEYMAP_PRIMARY:
1325                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1326                         lyx_view_->view()->getIntl().keyMapPrim();
1327                         break;
1328
1329                 case LFUN_KEYMAP_SECONDARY:
1330                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1331                         lyx_view_->view()->getIntl().keyMapSec();
1332                         break;
1333
1334                 case LFUN_KEYMAP_TOGGLE:
1335                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1336                         lyx_view_->view()->getIntl().toggleKeyMap();
1337                         break;
1338
1339                 case LFUN_REPEAT: {
1340                         // repeat command
1341                         string countstr;
1342                         string rest = split(argument, countstr, ' ');
1343                         istringstream is(countstr);
1344                         int count = 0;
1345                         is >> count;
1346                         //lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1347                         for (int i = 0; i < count; ++i)
1348                                 dispatch(lyxaction.lookupFunc(rest));
1349                         break;
1350                 }
1351
1352                 case LFUN_COMMAND_SEQUENCE: {
1353                         // argument contains ';'-terminated commands
1354                         string arg = argument;
1355                         if (theBufferList().isLoaded(buffer))
1356                                 buffer->undo().beginUndoGroup();
1357                         while (!arg.empty()) {
1358                                 string first;
1359                                 arg = split(arg, first, ';');
1360                                 FuncRequest func(lyxaction.lookupFunc(first));
1361                                 func.origin = cmd.origin;
1362                                 dispatch(func);
1363                         }
1364                         if (theBufferList().isLoaded(buffer))
1365                                 buffer->undo().endUndoGroup();
1366                         break;
1367                 }
1368
1369                 case LFUN_COMMAND_ALTERNATIVES: {
1370                         // argument contains ';'-terminated commands
1371                         string arg = argument;
1372                         while (!arg.empty()) {
1373                                 string first;
1374                                 arg = split(arg, first, ';');
1375                                 FuncRequest func(lyxaction.lookupFunc(first));
1376                                 func.origin = cmd.origin;
1377                                 FuncStatus stat = getStatus(func);
1378                                 if (stat.enabled()) {
1379                                         dispatch(func);
1380                                         break;
1381                                 }
1382                         }
1383                         break;
1384                 }
1385
1386                 case LFUN_CALL: {
1387                         FuncRequest func;
1388                         if (theTopLevelCmdDef().lock(argument, func)) {
1389                                 func.origin = cmd.origin;
1390                                 dispatch(func);
1391                                 theTopLevelCmdDef().release(argument);
1392                         } else {
1393                                 if (func.action == LFUN_UNKNOWN_ACTION) {
1394                                         // unknown command definition
1395                                         lyxerr << "Warning: unknown command definition `"
1396                                                    << argument << "'"
1397                                                    << endl;
1398                                 } else {
1399                                         // recursion detected
1400                                         lyxerr << "Warning: Recursion in the command definition `"
1401                                                    << argument << "' detected"
1402                                                    << endl;
1403                                 }
1404                         }
1405                         break;
1406                 }
1407
1408                 case LFUN_PREFERENCES_SAVE: {
1409                         lyxrc.write(makeAbsPath("preferences",
1410                                                 package().user_support().absFilename()),
1411                                     false);
1412                         break;
1413                 }
1414
1415                 case LFUN_MESSAGE:
1416                         LASSERT(lyx_view_, /**/);
1417                         lyx_view_->message(from_utf8(argument));
1418                         break;
1419
1420                 case LFUN_BUFFER_LANGUAGE: {
1421                         LASSERT(lyx_view_, /**/);
1422                         Language const * oldL = buffer->params().language;
1423                         Language const * newL = languages.getLanguage(argument);
1424                         if (!newL || oldL == newL)
1425                                 break;
1426
1427                         if (oldL->rightToLeft() == newL->rightToLeft()
1428                             && !buffer->isMultiLingual())
1429                                 buffer->changeLanguage(oldL, newL);
1430                         break;
1431                 }
1432
1433                 case LFUN_BUFFER_SAVE_AS_DEFAULT: {
1434                         string const fname =
1435                                 addName(addPath(package().user_support().absFilename(), "templates/"),
1436                                         "defaults.lyx");
1437                         Buffer defaults(fname);
1438
1439                         istringstream ss(argument);
1440                         Lexer lex;
1441                         lex.setStream(ss);
1442                         int const unknown_tokens = defaults.readHeader(lex);
1443
1444                         if (unknown_tokens != 0) {
1445                                 lyxerr << "Warning in LFUN_BUFFER_SAVE_AS_DEFAULT!\n"
1446                                        << unknown_tokens << " unknown token"
1447                                        << (unknown_tokens == 1 ? "" : "s")
1448                                        << endl;
1449                         }
1450
1451                         if (defaults.writeFile(FileName(defaults.absFileName())))
1452                                 setMessage(bformat(_("Document defaults saved in %1$s"),
1453                                                    makeDisplayPath(fname)));
1454                         else
1455                                 setErrorMessage(from_ascii(N_("Unable to save document defaults")));
1456                         break;
1457                 }
1458
1459                 case LFUN_BUFFER_PARAMS_APPLY: {
1460                         LASSERT(lyx_view_, /**/);
1461
1462                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1463                         Cursor & cur = view()->cursor();
1464                         cur.recordUndoFullDocument();
1465
1466                         istringstream ss(argument);
1467                         Lexer lex;
1468                         lex.setStream(ss);
1469                         int const unknown_tokens = buffer->readHeader(lex);
1470
1471                         if (unknown_tokens != 0) {
1472                                 lyxerr << "Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1473                                                 << unknown_tokens << " unknown token"
1474                                                 << (unknown_tokens == 1 ? "" : "s")
1475                                                 << endl;
1476                         }
1477
1478                         updateLayout(oldClass, buffer);
1479
1480                         updateFlags = Update::Force | Update::FitCursor;
1481                         // We are most certainly here because of a change in the document
1482                         // It is then better to make sure that all dialogs are in sync with
1483                         // current document settings. LyXView::restartCursor() achieve this.
1484                         lyx_view_->restartCursor();
1485                         break;
1486                 }
1487
1488                 case LFUN_LAYOUT_MODULES_CLEAR: {
1489                         LASSERT(lyx_view_, /**/);
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                         BufferParams const & params = buffer->params();
1502                         if (!params.moduleCanBeAdded(argument)) {
1503                                 LYXERR0("Module `" << argument <<
1504                                                 "' cannot be added due to failed requirements or "
1505                                                 "conflicts with installed modules.");
1506                                 break;
1507                         }
1508                         DocumentClass const * const oldClass = params.documentClassPtr();
1509                         view()->cursor().recordUndoFullDocument();
1510                         buffer->params().addLayoutModule(argument);
1511                         buffer->params().makeDocumentClass();
1512                         updateLayout(oldClass, buffer);
1513                         updateFlags = Update::Force | Update::FitCursor;
1514                         break;
1515                 }
1516
1517                 case LFUN_TEXTCLASS_APPLY: {
1518                         LASSERT(lyx_view_, /**/);
1519
1520                         if (!loadLayoutFile(argument, buffer->temppath()) &&
1521                                 !loadLayoutFile(argument, buffer->filePath()))
1522                                 break;
1523
1524                         LayoutFile const * old_layout = buffer->params().baseClass();
1525                         LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1526
1527                         if (old_layout == new_layout)
1528                                 // nothing to do
1529                                 break;
1530
1531                         //Save the old, possibly modular, layout for use in conversion.
1532                         DocumentClass const * const oldDocClass = buffer->params().documentClassPtr();
1533                         view()->cursor().recordUndoFullDocument();
1534                         buffer->params().setBaseClass(argument);
1535                         buffer->params().makeDocumentClass();
1536                         updateLayout(oldDocClass, buffer);
1537                         updateFlags = Update::Force | Update::FitCursor;
1538                         break;
1539                 }
1540
1541                 case LFUN_LAYOUT_RELOAD: {
1542                         LASSERT(lyx_view_, /**/);
1543                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1544                         LayoutFileIndex bc = buffer->params().baseClassID();
1545                         LayoutFileList::get().reset(bc);
1546                         buffer->params().setBaseClass(bc);
1547                         buffer->params().makeDocumentClass();
1548                         updateLayout(oldClass, buffer);
1549                         updateFlags = Update::Force | Update::FitCursor;
1550                         break;
1551                 }
1552
1553                 case LFUN_TEXTCLASS_LOAD:
1554                         loadLayoutFile(argument, buffer->temppath()) ||
1555                         loadLayoutFile(argument, buffer->filePath());
1556                         break;
1557
1558                 case LFUN_LYXRC_APPLY: {
1559                         LyXRC const lyxrc_orig = lyxrc;
1560
1561                         istringstream ss(argument);
1562                         bool const success = lyxrc.read(ss) == 0;
1563
1564                         if (!success) {
1565                                 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1566                                        << "Unable to read lyxrc data"
1567                                        << endl;
1568                                 break;
1569                         }
1570
1571                         actOnUpdatedPrefs(lyxrc_orig, lyxrc);
1572
1573                         theApp()->resetGui();
1574
1575                         /// We force the redraw in any case because there might be
1576                         /// some screen font changes.
1577                         /// FIXME: only the current view will be updated. the Gui
1578                         /// class is able to furnish the list of views.
1579                         updateFlags = Update::Force;
1580                         break;
1581                 }
1582
1583                 case LFUN_BOOKMARK_GOTO:
1584                         // go to bookmark, open unopened file and switch to buffer if necessary
1585                         gotoBookmark(convert<unsigned int>(to_utf8(cmd.argument())), true, true);
1586                         updateFlags = Update::FitCursor;
1587                         break;
1588
1589                 case LFUN_BOOKMARK_CLEAR:
1590                         theSession().bookmarks().clear();
1591                         break;
1592
1593                 default:
1594                         LASSERT(theApp(), /**/);
1595                         // Let the frontend dispatch its own actions.
1596                         if (theApp()->dispatch(cmd))
1597                                 // Nothing more to do.
1598                                 return;
1599
1600                         // Everything below is only for active lyx_view_
1601                         if (lyx_view_ == 0)
1602                                 break;
1603
1604                         // Start an undo group. This may be needed for
1605                         // some stuff like inset-apply on labels.
1606                         if (theBufferList().isLoaded(buffer))
1607                                 buffer->undo().beginUndoGroup();
1608
1609                         // Let the current LyXView dispatch its own actions.
1610                         if (lyx_view_->dispatch(cmd)) {
1611                                 if (lyx_view_->view()) {
1612                                         updateFlags = lyx_view_->view()->cursor().result().update();
1613                                         if (theBufferList().isLoaded(buffer))
1614                                                 buffer->undo().endUndoGroup();
1615                                 }
1616                                 break;
1617                         }
1618
1619                         LASSERT(lyx_view_->view(), /**/);
1620
1621                         // Let the current BufferView dispatch its own actions.
1622                         if (view()->dispatch(cmd)) {
1623                                 // The BufferView took care of its own updates if needed.
1624                                 updateFlags = Update::None;
1625                                 if (theBufferList().isLoaded(buffer))
1626                                         buffer->undo().endUndoGroup();
1627                                 break;
1628                         }
1629
1630                         // Let the current Cursor dispatch its own actions.
1631                         Cursor old = view()->cursor();
1632                         view()->cursor().getPos(cursorPosBeforeDispatchX_,
1633                                                 cursorPosBeforeDispatchY_);
1634                         view()->cursor().dispatch(cmd);
1635
1636                         // notify insets we just left
1637                         if (view()->cursor() != old) {
1638                                 old.fixIfBroken();
1639                                 bool badcursor = notifyCursorLeavesOrEnters(old, view()->cursor());
1640                                 if (badcursor)
1641                                         view()->cursor().fixIfBroken();
1642                         }
1643
1644                         if (theBufferList().isLoaded(buffer))
1645                                 buffer->undo().endUndoGroup();
1646
1647                         // update completion. We do it here and not in
1648                         // processKeySym to avoid another redraw just for a
1649                         // changed inline completion
1650                         if (cmd.origin == FuncRequest::KEYBOARD) {
1651                                 if (cmd.action == LFUN_SELF_INSERT)
1652                                         lyx_view_->updateCompletion(view()->cursor(), true, true);
1653                                 else if (cmd.action == LFUN_CHAR_DELETE_BACKWARD)
1654                                         lyx_view_->updateCompletion(view()->cursor(), false, true);
1655                                 else
1656                                         lyx_view_->updateCompletion(view()->cursor(), false, false);
1657                         }
1658
1659                         updateFlags = view()->cursor().result().update();
1660                 }
1661
1662                 // if we executed a mutating lfun, mark the buffer as dirty
1663                 if (theBufferList().isLoaded(buffer) && flag.enabled()
1664                     && !lyxaction.funcHasFlag(action, LyXAction::NoBuffer)
1665                     && !lyxaction.funcHasFlag(action, LyXAction::ReadOnly))
1666                         buffer->markDirty();
1667
1668                 if (lyx_view_ && lyx_view_->buffer()) {
1669                         // BufferView::update() updates the ViewMetricsInfo and
1670                         // also initializes the position cache for all insets in
1671                         // (at least partially) visible top-level paragraphs.
1672                         // We will redraw the screen only if needed.
1673                         view()->processUpdateFlags(updateFlags);
1674
1675                         // Do we have a selection?
1676                         theSelection().haveSelection(view()->cursor().selection());
1677
1678                         // update gui
1679                         lyx_view_->restartCursor();
1680                 }
1681         }
1682         if (lyx_view_) {
1683                 // Some messages may already be translated, so we cannot use _()
1684                 sendDispatchMessage(translateIfPossible(getMessage()), cmd);
1685         }
1686 }
1687
1688
1689 void LyXFunc::sendDispatchMessage(docstring const & msg, FuncRequest const & cmd)
1690 {
1691         const bool verbose = (cmd.origin == FuncRequest::MENU
1692                               || cmd.origin == FuncRequest::TOOLBAR
1693                               || cmd.origin == FuncRequest::COMMANDBUFFER);
1694
1695         if (cmd.action == LFUN_SELF_INSERT || !verbose) {
1696                 LYXERR(Debug::ACTION, "dispatch msg is " << to_utf8(msg));
1697                 if (!msg.empty())
1698                         lyx_view_->message(msg);
1699                 return;
1700         }
1701
1702         docstring dispatch_msg = msg;
1703         if (!dispatch_msg.empty())
1704                 dispatch_msg += ' ';
1705
1706         docstring comname = from_utf8(lyxaction.getActionName(cmd.action));
1707
1708         bool argsadded = false;
1709
1710         if (!cmd.argument().empty()) {
1711                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1712                         comname += ' ' + cmd.argument();
1713                         argsadded = true;
1714                 }
1715         }
1716
1717         docstring const shortcuts = theTopLevelKeymap().printBindings(cmd, KeySequence::ForGui);
1718
1719         if (!shortcuts.empty())
1720                 comname += ": " + shortcuts;
1721         else if (!argsadded && !cmd.argument().empty())
1722                 comname += ' ' + cmd.argument();
1723
1724         if (!comname.empty()) {
1725                 comname = rtrim(comname);
1726                 dispatch_msg += '(' + rtrim(comname) + ')';
1727         }
1728
1729         LYXERR(Debug::ACTION, "verbose dispatch msg " << to_utf8(dispatch_msg));
1730         if (!dispatch_msg.empty())
1731                 lyx_view_->message(dispatch_msg);
1732 }
1733
1734
1735 void LyXFunc::reloadBuffer()
1736 {
1737         FileName filename = lyx_view_->buffer()->fileName();
1738         // The user has already confirmed that the changes, if any, should
1739         // be discarded. So we just release the Buffer and don't call closeBuffer();
1740         theBufferList().release(lyx_view_->buffer());
1741         // if the lyx_view_ has been destroyed, create a new one
1742         if (!lyx_view_)
1743                 theApp()->dispatch(FuncRequest(LFUN_WINDOW_NEW));
1744         Buffer * buf = lyx_view_->loadDocument(filename);
1745         docstring const disp_fn = makeDisplayPath(filename.absFilename());
1746         docstring str;
1747         if (buf) {
1748                 buf->updateLabels();
1749                 lyx_view_->setBuffer(buf);
1750                 buf->errors("Parse");
1751                 str = bformat(_("Document %1$s reloaded."), disp_fn);
1752         } else {
1753                 str = bformat(_("Could not reload document %1$s"), disp_fn);
1754         }
1755         lyx_view_->message(str);
1756 }
1757
1758 // Each "lyx_view_" should have it's own message method. lyxview and
1759 // the minibuffer would use the minibuffer, but lyxserver would
1760 // send an ERROR signal to its client.  Alejandro 970603
1761 // This function is bit problematic when it comes to NLS, to make the
1762 // lyx servers client be language indepenent we must not translate
1763 // strings sent to this func.
1764 void LyXFunc::setErrorMessage(docstring const & m) const
1765 {
1766         dispatch_buffer = m;
1767         errorstat = true;
1768 }
1769
1770
1771 void LyXFunc::setMessage(docstring const & m) const
1772 {
1773         dispatch_buffer = m;
1774 }
1775
1776
1777 docstring LyXFunc::viewStatusMessage()
1778 {
1779         // When meta-fake key is pressed, show the key sequence so far + "M-".
1780         if (wasMetaKey())
1781                 return keyseq.print(KeySequence::ForGui) + "M-";
1782
1783         // Else, when a non-complete key sequence is pressed,
1784         // show the available options.
1785         if (keyseq.length() > 0 && !keyseq.deleted())
1786                 return keyseq.printOptions(true);
1787
1788         LASSERT(lyx_view_, /**/);
1789         if (!lyx_view_->buffer())
1790                 return _("Welcome to LyX!");
1791
1792         return view()->cursor().currentState();
1793 }
1794
1795
1796 BufferView * LyXFunc::view() const
1797 {
1798         LASSERT(lyx_view_, /**/);
1799         return lyx_view_->view();
1800 }
1801
1802
1803 bool LyXFunc::wasMetaKey() const
1804 {
1805         return (meta_fake_bit != NoModifier);
1806 }
1807
1808
1809 void LyXFunc::updateLayout(DocumentClass const * const oldlayout, Buffer * buf)
1810 {
1811         lyx_view_->message(_("Converting document to new document class..."));
1812
1813         StableDocIterator backcur(view()->cursor());
1814         ErrorList & el = buf->errorList("Class Switch");
1815         cap::switchBetweenClasses(
1816                         oldlayout, buf->params().documentClassPtr(),
1817                         static_cast<InsetText &>(buf->inset()), el);
1818
1819         view()->setCursor(backcur.asDocIterator(buf));
1820
1821         buf->errors("Class Switch");
1822         buf->updateLabels();
1823 }
1824
1825
1826 namespace {
1827
1828 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
1829 {
1830         // Why the switch you might ask. It is a trick to ensure that all
1831         // the elements in the LyXRCTags enum is handled. As you can see
1832         // there are no breaks at all. So it is just a huge fall-through.
1833         // The nice thing is that we will get a warning from the compiler
1834         // if we forget an element.
1835         LyXRC::LyXRCTags tag = LyXRC::RC_LAST;
1836         switch (tag) {
1837         case LyXRC::RC_ACCEPT_COMPOUND:
1838         case LyXRC::RC_ALT_LANG:
1839         case LyXRC::RC_PLAINTEXT_LINELEN:
1840         case LyXRC::RC_PLAINTEXT_ROFF_COMMAND:
1841         case LyXRC::RC_AUTOREGIONDELETE:
1842         case LyXRC::RC_AUTORESET_OPTIONS:
1843         case LyXRC::RC_AUTOSAVE:
1844         case LyXRC::RC_AUTO_NUMBER:
1845         case LyXRC::RC_BACKUPDIR_PATH:
1846         case LyXRC::RC_BIBTEX_COMMAND:
1847         case LyXRC::RC_BINDFILE:
1848         case LyXRC::RC_CHECKLASTFILES:
1849         case LyXRC::RC_COMPLETION_CURSOR_TEXT:
1850         case LyXRC::RC_COMPLETION_INLINE_DELAY:
1851         case LyXRC::RC_COMPLETION_INLINE_DOTS:
1852         case LyXRC::RC_COMPLETION_INLINE_MATH:
1853         case LyXRC::RC_COMPLETION_INLINE_TEXT:
1854         case LyXRC::RC_COMPLETION_POPUP_AFTER_COMPLETE:
1855         case LyXRC::RC_COMPLETION_POPUP_DELAY:
1856         case LyXRC::RC_COMPLETION_POPUP_MATH:
1857         case LyXRC::RC_COMPLETION_POPUP_TEXT:
1858         case LyXRC::RC_USELASTFILEPOS:
1859         case LyXRC::RC_LOADSESSION:
1860         case LyXRC::RC_CHKTEX_COMMAND:
1861         case LyXRC::RC_CONVERTER:
1862         case LyXRC::RC_CONVERTER_CACHE_MAXAGE:
1863         case LyXRC::RC_COPIER:
1864         case LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR:
1865         case LyXRC::RC_CUSTOM_EXPORT_COMMAND:
1866         case LyXRC::RC_CUSTOM_EXPORT_FORMAT:
1867         case LyXRC::RC_DATE_INSERT_FORMAT:
1868         case LyXRC::RC_DEFAULT_LANGUAGE:
1869         case LyXRC::RC_GUI_LANGUAGE:
1870         case LyXRC::RC_DEFAULT_PAPERSIZE:
1871         case LyXRC::RC_DEFFILE:
1872         case LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN:
1873         case LyXRC::RC_DISPLAY_GRAPHICS:
1874         case LyXRC::RC_DOCUMENTPATH:
1875                 if (lyxrc_orig.document_path != lyxrc_new.document_path) {
1876                         FileName path(lyxrc_new.document_path);
1877                         if (path.exists() && path.isDirectory())
1878                                 package().document_dir() = FileName(lyxrc.document_path);
1879                 }
1880         case LyXRC::RC_ESC_CHARS:
1881         case LyXRC::RC_EXAMPLEPATH:
1882         case LyXRC::RC_FONT_ENCODING:
1883         case LyXRC::RC_FORMAT:
1884         case LyXRC::RC_GROUP_LAYOUTS:
1885         case LyXRC::RC_INDEX_COMMAND:
1886         case LyXRC::RC_NOMENCL_COMMAND:
1887         case LyXRC::RC_INPUT:
1888         case LyXRC::RC_KBMAP:
1889         case LyXRC::RC_KBMAP_PRIMARY:
1890         case LyXRC::RC_KBMAP_SECONDARY:
1891         case LyXRC::RC_LABEL_INIT_LENGTH:
1892         case LyXRC::RC_LANGUAGE_AUTO_BEGIN:
1893         case LyXRC::RC_LANGUAGE_AUTO_END:
1894         case LyXRC::RC_LANGUAGE_COMMAND_BEGIN:
1895         case LyXRC::RC_LANGUAGE_COMMAND_END:
1896         case LyXRC::RC_LANGUAGE_COMMAND_LOCAL:
1897         case LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS:
1898         case LyXRC::RC_LANGUAGE_PACKAGE:
1899         case LyXRC::RC_LANGUAGE_USE_BABEL:
1900         case LyXRC::RC_MAC_LIKE_WORD_MOVEMENT:
1901         case LyXRC::RC_MACRO_EDIT_STYLE:
1902         case LyXRC::RC_MAKE_BACKUP:
1903         case LyXRC::RC_MARK_FOREIGN_LANGUAGE:
1904         case LyXRC::RC_MOUSE_WHEEL_SPEED:
1905         case LyXRC::RC_NUMLASTFILES:
1906         case LyXRC::RC_PATH_PREFIX:
1907                 if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
1908                         prependEnvPath("PATH", lyxrc.path_prefix);
1909                 }
1910         case LyXRC::RC_PERS_DICT:
1911         case LyXRC::RC_PREVIEW:
1912         case LyXRC::RC_PREVIEW_HASHED_LABELS:
1913         case LyXRC::RC_PREVIEW_SCALE_FACTOR:
1914         case LyXRC::RC_PRINTCOLLCOPIESFLAG:
1915         case LyXRC::RC_PRINTCOPIESFLAG:
1916         case LyXRC::RC_PRINTER:
1917         case LyXRC::RC_PRINTEVENPAGEFLAG:
1918         case LyXRC::RC_PRINTEXSTRAOPTIONS:
1919         case LyXRC::RC_PRINTFILEEXTENSION:
1920         case LyXRC::RC_PRINTLANDSCAPEFLAG:
1921         case LyXRC::RC_PRINTODDPAGEFLAG:
1922         case LyXRC::RC_PRINTPAGERANGEFLAG:
1923         case LyXRC::RC_PRINTPAPERDIMENSIONFLAG:
1924         case LyXRC::RC_PRINTPAPERFLAG:
1925         case LyXRC::RC_PRINTREVERSEFLAG:
1926         case LyXRC::RC_PRINTSPOOL_COMMAND:
1927         case LyXRC::RC_PRINTSPOOL_PRINTERPREFIX:
1928         case LyXRC::RC_PRINTTOFILE:
1929         case LyXRC::RC_PRINTTOPRINTER:
1930         case LyXRC::RC_PRINT_ADAPTOUTPUT:
1931         case LyXRC::RC_PRINT_COMMAND:
1932         case LyXRC::RC_RTL_SUPPORT:
1933         case LyXRC::RC_SCREEN_DPI:
1934         case LyXRC::RC_SCREEN_FONT_ROMAN:
1935         case LyXRC::RC_SCREEN_FONT_ROMAN_FOUNDRY:
1936         case LyXRC::RC_SCREEN_FONT_SANS:
1937         case LyXRC::RC_SCREEN_FONT_SANS_FOUNDRY:
1938         case LyXRC::RC_SCREEN_FONT_SCALABLE:
1939         case LyXRC::RC_SCREEN_FONT_SIZES:
1940         case LyXRC::RC_SCREEN_FONT_TYPEWRITER:
1941         case LyXRC::RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
1942         case LyXRC::RC_GEOMETRY_SESSION:
1943         case LyXRC::RC_SCREEN_ZOOM:
1944         case LyXRC::RC_SERVERPIPE:
1945         case LyXRC::RC_SET_COLOR:
1946         case LyXRC::RC_SHOW_BANNER:
1947         case LyXRC::RC_OPEN_BUFFERS_IN_TABS:
1948         case LyXRC::RC_SPELL_COMMAND:
1949         case LyXRC::RC_TEMPDIRPATH:
1950         case LyXRC::RC_TEMPLATEPATH:
1951         case LyXRC::RC_TEX_ALLOWS_SPACES:
1952         case LyXRC::RC_TEX_EXPECTS_WINDOWS_PATHS:
1953                 if (lyxrc_orig.windows_style_tex_paths != lyxrc_new.windows_style_tex_paths) {
1954                         os::windows_style_tex_paths(lyxrc_new.windows_style_tex_paths);
1955                 }
1956         case LyXRC::RC_THESAURUSDIRPATH:
1957         case LyXRC::RC_UIFILE:
1958         case LyXRC::RC_USER_EMAIL:
1959         case LyXRC::RC_USER_NAME:
1960         case LyXRC::RC_USETEMPDIR:
1961         case LyXRC::RC_USE_ALT_LANG:
1962         case LyXRC::RC_USE_CONVERTER_CACHE:
1963         case LyXRC::RC_USE_ESC_CHARS:
1964         case LyXRC::RC_USE_INP_ENC:
1965         case LyXRC::RC_USE_PERS_DICT:
1966         case LyXRC::RC_USE_TOOLTIP:
1967         case LyXRC::RC_USE_PIXMAP_CACHE:
1968         case LyXRC::RC_USE_SPELL_LIB:
1969         case LyXRC::RC_VIEWDVI_PAPEROPTION:
1970         case LyXRC::RC_SORT_LAYOUTS:
1971         case LyXRC::RC_FULL_SCREEN_LIMIT:
1972         case LyXRC::RC_FULL_SCREEN_SCROLLBAR:
1973         case LyXRC::RC_FULL_SCREEN_TABBAR:
1974         case LyXRC::RC_FULL_SCREEN_TOOLBARS:
1975         case LyXRC::RC_FULL_SCREEN_WIDTH:
1976         case LyXRC::RC_VISUAL_CURSOR:
1977         case LyXRC::RC_VIEWER:
1978         case LyXRC::RC_LAST:
1979                 break;
1980         }
1981 }
1982
1983 } // namespace anon
1984 } // namespace lyx