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/InsetPhantom.h"
  70 #include "insets/InsetSpace.h"
  71 #include "insets/InsetTabular.h"
  72 #include "insets/InsetVSpace.h"
  73 #include "insets/InsetWrap.h"
  74
  75 #include "frontends/alert.h"
  76 #include "frontends/Application.h"
  77 #include "frontends/KeySymbol.h"
  78 #include "frontends/LyXView.h"
  79 #include "frontends/Selection.h"
  80
  81 #include "support/debug.h"
  82 #include "support/environment.h"
  83 #include "support/FileName.h"
  84 #include "support/filetools.h"
  85 #include "support/gettext.h"
  86 #include "support/lstrings.h"
  87 #include "support/Path.h"
  88 #include "support/Package.h"
  89 #include "support/Systemcall.h"
  90 #include "support/convert.h"
  91 #include "support/os.h"
  92
  93 #include <sstream>
  94 #include <vector>
  95
  96 using namespace std;
  97 using namespace lyx::support;
  98
  99 namespace lyx {
 100
 101 using frontend::LyXView;
 102
 103 namespace Alert = frontend::Alert;
 104
 105 namespace {
 106
 107
 108 // This function runs "configure" and then rereads lyx.defaults to
 109 // reconfigure the automatic settings.
 110 void reconfigure(LyXView * lv, string const & option)
 111 {
 112         // emit message signal.
 113         if (lv)
 114                 lv->message(_("Running configure..."));
 115
 116         // Run configure in user lyx directory
 117         PathChanger p(package().user_support());
 118         string configure_command = package().configure_command();
 119         configure_command += option;
 120         Systemcall one;
 121         int ret = one.startscript(Systemcall::Wait, configure_command);
 122         p.pop();
 123         // emit message signal.
 124         if (lv)
 125                 lv->message(_("Reloading configuration..."));
 126         lyxrc.read(libFileSearch(string(), "lyxrc.defaults"));
 127         // Re-read packages.lst
 128         LaTeXFeatures::getAvailable();
 129
 130         if (ret)
 131                 Alert::information(_("System reconfiguration failed"),
 132                            _("The system reconfiguration has failed.\n"
 133                                   "Default textclass is used but LyX may "
 134                                   "not be able to work properly.\n"
 135                                   "Please reconfigure again if needed."));
 136         else
 137
 138                 Alert::information(_("System reconfigured"),
 139                            _("The system has been reconfigured.\n"
 140                              "You need to restart LyX to make use of any\n"
 141                              "updated document class specifications."));
 142 }
 143
 144
 145 bool getLocalStatus(Cursor cursor, FuncRequest const & cmd, FuncStatus & status)
 146 {
 147         // Try to fix cursor in case it is broken.
 148         cursor.fixIfBroken();
 149
 150         // This is, of course, a mess. Better create a new doc iterator and use
 151         // this in Inset::getStatus. This might require an additional
 152         // BufferView * arg, though (which should be avoided)
 153         //Cursor safe = *this;
 154         bool res = false;
 155         for ( ; cursor.depth(); cursor.pop()) {
 156                 //lyxerr << "\nCursor::getStatus: cmd: " << cmd << endl << *this << endl;
 157                 LASSERT(cursor.idx() <= cursor.lastidx(), /**/);
 158                 LASSERT(cursor.pit() <= cursor.lastpit(), /**/);
 159                 LASSERT(cursor.pos() <= cursor.lastpos(), /**/);
 160
 161                 // The inset's getStatus() will return 'true' if it made
 162                 // a definitive decision on whether it want to handle the
 163                 // request or not. The result of this decision is put into
 164                 // the 'status' parameter.
 165                 if (cursor.inset().getStatus(cursor, cmd, status)) {
 166                         res = true;
 167                         break;
 168                 }
 169         }
 170         return res;
 171 }
 172
 173
 174 /** Return the change status at cursor position, taking in account the
 175  * status at each level of the document iterator (a table in a deleted
 176  * footnote is deleted).
 177  * When \param outer is true, the top slice is not looked at.
 178  */
 179 Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
 180 {
 181         size_t const depth = dit.depth() - (outer ? 1 : 0);
 182
 183         for (size_t i = 0 ; i < depth ; ++i) {
 184                 CursorSlice const & slice = dit[i];
 185                 if (!slice.inset().inMathed()
 186                     && slice.pos() < slice.paragraph().size()) {
 187                         Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
 188                         if (ch != Change::UNCHANGED)
 189                                 return ch;
 190                 }
 191         }
 192         return Change::UNCHANGED;
 193 }
 194
 195 }
 196
 197
 198 LyXFunc::LyXFunc()
 199         : lyx_view_(0), encoded_last_key(0), meta_fake_bit(NoModifier)
 200 {
 201 }
 202
 203
 204 void LyXFunc::initKeySequences(KeyMap * kb)
 205 {
 206         keyseq = KeySequence(kb, kb);
 207         cancel_meta_seq = KeySequence(kb, kb);
 208 }
 209
 210
 211 void LyXFunc::setLyXView(LyXView * lv)
 212 {
 213         if (lyx_view_ && lyx_view_->view() && lyx_view_ != lv)
 214                 // save current selection to the selection buffer to allow
 215                 // middle-button paste in another window
 216                 cap::saveSelection(lyx_view_->view()->cursor());
 217         lyx_view_ = lv;
 218 }
 219
 220
 221 void LyXFunc::handleKeyFunc(FuncCode action)
 222 {
 223         char_type c = encoded_last_key;
 224
 225         if (keyseq.length())
 226                 c = 0;
 227
 228         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 229         lyx_view_->view()->getIntl().getTransManager().deadkey(
 230                 c, get_accent(action).accent, view()->cursor().innerText(), view()->cursor());
 231         // Need to clear, in case the minibuffer calls these
 232         // actions
 233         keyseq.clear();
 234         // copied verbatim from do_accent_char
 235         view()->cursor().resetAnchor();
 236         view()->processUpdateFlags(Update::FitCursor);
 237 }
 238
 239 //FIXME: bookmark handling is a frontend issue. This code should be transferred
 240 // to GuiView and be GuiView and be window dependent.
 241 void LyXFunc::gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer)
 242 {
 243         LASSERT(lyx_view_, /**/);
 244         if (!theSession().bookmarks().isValid(idx))
 245                 return;
 246         BookmarksSection::Bookmark const & bm = theSession().bookmarks().bookmark(idx);
 247         LASSERT(!bm.filename.empty(), /**/);
 248         string const file = bm.filename.absFilename();
 249         // if the file is not opened, open it.
 250         if (!theBufferList().exists(bm.filename)) {
 251                 if (openFile)
 252                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
 253                 else
 254                         return;
 255         }
 256         // open may fail, so we need to test it again
 257         if (!theBufferList().exists(bm.filename))
 258                 return;
 259
 260         // bm can be changed when saving
 261         BookmarksSection::Bookmark tmp = bm;
 262
 263         // Special case idx == 0 used for back-from-back jump navigation
 264         if (idx == 0)
 265                 dispatch(FuncRequest(LFUN_BOOKMARK_SAVE, "0"));
 266
 267         // if the current buffer is not that one, switch to it.
 268         if (lyx_view_->buffer()->fileName() != tmp.filename) {
 269                 if (!switchToBuffer)
 270                         return;
 271                 dispatch(FuncRequest(LFUN_BUFFER_SWITCH, file));
 272         }
 273
 274         // moveToPosition try paragraph id first and then paragraph (pit, pos).
 275         if (!view()->moveToPosition(tmp.bottom_pit, tmp.bottom_pos,
 276                 tmp.top_id, tmp.top_pos))
 277                 return;
 278
 279         // bm changed
 280         if (idx == 0)
 281                 return;
 282
 283         // Cursor jump succeeded!
 284         Cursor const & cur = view()->cursor();
 285         pit_type new_pit = cur.pit();
 286         pos_type new_pos = cur.pos();
 287         int new_id = cur.paragraph().id();
 288
 289         // if bottom_pit, bottom_pos or top_id has been changed, update bookmark
 290         // see http://bugzilla.lyx.org/show_bug.cgi?id=3092
 291         if (bm.bottom_pit != new_pit || bm.bottom_pos != new_pos
 292                 || bm.top_id != new_id) {
 293                 const_cast<BookmarksSection::Bookmark &>(bm).updatePos(
 294                         new_pit, new_pos, new_id);
 295         }
 296 }
 297
 298
 299 void LyXFunc::processKeySym(KeySymbol const & keysym, KeyModifier state)
 300 {
 301         LYXERR(Debug::KEY, "KeySym is " << keysym.getSymbolName());
 302
 303         // Do nothing if we have nothing (JMarc)
 304         if (!keysym.isOK()) {
 305                 LYXERR(Debug::KEY, "Empty kbd action (probably composing)");
 306                 lyx_view_->restartCursor();
 307                 return;
 308         }
 309
 310         if (keysym.isModifier()) {
 311                 LYXERR(Debug::KEY, "isModifier true");
 312                 if (lyx_view_)
 313                         lyx_view_->restartCursor();
 314                 return;
 315         }
 316
 317         //Encoding const * encoding = view()->cursor().getEncoding();
 318         //encoded_last_key = keysym.getISOEncoded(encoding ? encoding->name() : "");
 319         // FIXME: encoded_last_key shadows the member variable of the same
 320         // name. Is that intended?
 321         char_type encoded_last_key = keysym.getUCSEncoded();
 322
 323         // Do a one-deep top-level lookup for
 324         // cancel and meta-fake keys. RVDK_PATCH_5
 325         cancel_meta_seq.reset();
 326
 327         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 328         LYXERR(Debug::KEY, "action first set to [" << func.action << ']');
 329
 330         // When not cancel or meta-fake, do the normal lookup.
 331         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 332         // Mostly, meta_fake_bit = NoModifier. RVDK_PATCH_5.
 333         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_PREFIX)) {
 334                 // remove Caps Lock and Mod2 as a modifiers
 335                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 336                 LYXERR(Debug::KEY, "action now set to [" << func.action << ']');
 337         }
 338
 339         // Dont remove this unless you know what you are doing.
 340         meta_fake_bit = NoModifier;
 341
 342         // Can this happen now ?
 343         if (func.action == LFUN_NOACTION)
 344                 func = FuncRequest(LFUN_COMMAND_PREFIX);
 345
 346         LYXERR(Debug::KEY, " Key [action=" << func.action << "]["
 347                 << keyseq.print(KeySequence::Portable) << ']');
 348
 349         // already here we know if it any point in going further
 350         // why not return already here if action == -1 and
 351         // num_bytes == 0? (Lgb)
 352
 353         if (keyseq.length() > 1)
 354                 lyx_view_->message(keyseq.print(KeySequence::ForGui));
 355
 356
 357         // Maybe user can only reach the key via holding down shift.
 358         // Let's see. But only if shift is the only modifier
 359         if (func.action == LFUN_UNKNOWN_ACTION && state == ShiftModifier) {
 360                 LYXERR(Debug::KEY, "Trying without shift");
 361                 func = keyseq.addkey(keysym, NoModifier);
 362                 LYXERR(Debug::KEY, "Action now " << func.action);
 363         }
 364
 365         if (func.action == LFUN_UNKNOWN_ACTION) {
 366                 // Hmm, we didn't match any of the keysequences. See
 367                 // if it's normal insertable text not already covered
 368                 // by a binding
 369                 if (keysym.isText() && keyseq.length() == 1) {
 370                         LYXERR(Debug::KEY, "isText() is true, inserting.");
 371                         func = FuncRequest(LFUN_SELF_INSERT,
 372                                            FuncRequest::KEYBOARD);
 373                 } else {
 374                         LYXERR(Debug::KEY, "Unknown, !isText() - giving up");
 375                         lyx_view_->message(_("Unknown function."));
 376                         lyx_view_->restartCursor();
 377                         return;
 378                 }
 379         }
 380
 381         if (func.action == LFUN_SELF_INSERT) {
 382                 if (encoded_last_key != 0) {
 383                         docstring const arg(1, encoded_last_key);
 384                         dispatch(FuncRequest(LFUN_SELF_INSERT, arg,
 385                                              FuncRequest::KEYBOARD));
 386                         LYXERR(Debug::KEY, "SelfInsert arg[`" << to_utf8(arg) << "']");
 387                 }
 388         } else {
 389                 dispatch(func);
 390                 if (!lyx_view_)
 391                         return;
 392         }
 393 }
 394
 395
 396 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 397 {
 398         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
 399         FuncStatus flag;
 400
 401         Buffer * buf = lyx_view_ ? lyx_view_->buffer() : 0;
 402
 403         if (cmd.action == LFUN_NOACTION) {
 404                 flag.message(from_utf8(N_("Nothing to do")));
 405                 flag.setEnabled(false);
 406                 return flag;
 407         }
 408
 409         switch (cmd.action) {
 410         case LFUN_UNKNOWN_ACTION:
 411 #if !defined(HAVE_LIBMYTHES) && !defined(HAVE_LIBAIKSAURUS)
 412         case LFUN_THESAURUS_ENTRY:
 413 #endif
 414                 flag.unknown(true);
 415                 flag.setEnabled(false);
 416                 break;
 417
 418         default:
 419                 break;
 420         }
 421
 422         if (flag.unknown()) {
 423                 flag.message(from_utf8(N_("Unknown action")));
 424                 return flag;
 425         }
 426
 427         if (!flag.enabled()) {
 428                 if (flag.message().empty())
 429                         flag.message(from_utf8(N_("Command disabled")));
 430                 return flag;
 431         }
 432
 433         // Check whether we need a buffer
 434         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 435                 // no, exit directly
 436                 flag.message(from_utf8(N_("Command not allowed with"
 437                                     "out any document open")));
 438                 flag.setEnabled(false);
 439                 return flag;
 440         }
 441
 442         // I would really like to avoid having this switch and rather try to
 443         // encode this in the function itself.
 444         // -- And I'd rather let an inset decide which LFUNs it is willing
 445         // to handle (Andre')
 446         bool enable = true;
 447         switch (cmd.action) {
 448
 449         case LFUN_BUFFER_TOGGLE_READ_ONLY:
 450                 flag.setOnOff(buf->isReadonly());
 451                 break;
 452
 453         case LFUN_BUFFER_SWITCH:
 454                 // toggle on the current buffer, but do not toggle off
 455                 // the other ones (is that a good idea?)
 456                 if (buf && to_utf8(cmd.argument()) == buf->absFileName())
 457                         flag.setOnOff(true);
 458                 break;
 459
 460         case LFUN_BUFFER_EXPORT:
 461                 enable = cmd.argument() == "custom"
 462                         || buf->isExportable(to_utf8(cmd.argument()));
 463                 break;
 464
 465         case LFUN_BUFFER_CHKTEX:
 466                 enable = buf->isLatex() && !lyxrc.chktex_command.empty();
 467                 break;
 468
 469         case LFUN_BUILD_PROGRAM:
 470                 enable = buf->isExportable("program");
 471                 break;
 472
 473         case LFUN_VC_REGISTER:
 474                 enable = !buf->lyxvc().inUse();
 475                 break;
 476         case LFUN_VC_CHECK_IN:
 477                 enable = buf->lyxvc().checkInEnabled();
 478                 break;
 479         case LFUN_VC_CHECK_OUT:
 480                 enable = buf->lyxvc().checkOutEnabled();
 481                 break;
 482         case LFUN_VC_REVERT:
 483                 enable = buf->lyxvc().inUse();
 484                 break;
 485         case LFUN_VC_UNDO_LAST:
 486                 enable = buf->lyxvc().undoLastEnabled();
 487                 break;
 488         case LFUN_BUFFER_RELOAD:
 489                 enable = !buf->isUnnamed() && buf->fileName().exists()
 490                         && (!buf->isClean() || buf->isExternallyModified(Buffer::timestamp_method));
 491                 break;
 492
 493         case LFUN_CITATION_INSERT: {
 494                 FuncRequest fr(LFUN_INSET_INSERT, "citation");
 495                 enable = getStatus(fr).enabled();
 496                 break;
 497         }
 498
 499         // This could be used for the no-GUI version. The GUI version is handled in
 500         // LyXView::getStatus(). See above.
 501         /*
 502         case LFUN_BUFFER_WRITE:
 503         case LFUN_BUFFER_WRITE_AS: {
 504                 Buffer * b = theBufferList().getBuffer(FileName(cmd.getArg(0)));
 505                 enable = b && (b->isUnnamed() || !b->isClean());
 506                 break;
 507         }
 508         */
 509
 510         case LFUN_BUFFER_WRITE_ALL: {
 511                 // We enable the command only if there are some modified buffers
 512                 Buffer * first = theBufferList().first();
 513                 enable = false;
 514                 if (!first)
 515                         break;
 516                 Buffer * b = first;
 517                 // We cannot use a for loop as the buffer list is a cycle.
 518                 do {
 519                         if (!b->isClean()) {
 520                                 enable = true;
 521                                 break;
 522                         }
 523                         b = theBufferList().next(b);
 524                 } while (b != first);
 525                 break;
 526         }
 527
 528         case LFUN_BOOKMARK_GOTO: {
 529                 const unsigned int num = convert<unsigned int>(to_utf8(cmd.argument()));
 530                 enable = theSession().bookmarks().isValid(num);
 531                 break;
 532         }
 533
 534         case LFUN_BOOKMARK_CLEAR:
 535                 enable = theSession().bookmarks().hasValid();
 536                 break;
 537
 538         // this one is difficult to get right. As a half-baked
 539         // solution, we consider only the first action of the sequence
 540         case LFUN_COMMAND_SEQUENCE: {
 541                 // argument contains ';'-terminated commands
 542                 string const firstcmd = token(to_utf8(cmd.argument()), ';', 0);
 543                 FuncRequest func(lyxaction.lookupFunc(firstcmd));
 544                 func.origin = cmd.origin;
 545                 flag = getStatus(func);
 546                 break;
 547         }
 548
 549         // we want to check if at least one of these is enabled
 550         case LFUN_COMMAND_ALTERNATIVES: {
 551                 // argument contains ';'-terminated commands
 552                 string arg = to_utf8(cmd.argument());
 553                 while (!arg.empty()) {
 554                         string first;
 555                         arg = split(arg, first, ';');
 556                         FuncRequest func(lyxaction.lookupFunc(first));
 557                         func.origin = cmd.origin;
 558                         flag = getStatus(func);
 559                         // if this one is enabled, the whole thing is
 560                         if (flag.enabled())
 561                                 break;
 562                 }
 563                 break;
 564         }
 565
 566         case LFUN_CALL: {
 567                 FuncRequest func;
 568                 string name = to_utf8(cmd.argument());
 569                 if (theTopLevelCmdDef().lock(name, func)) {
 570                         func.origin = cmd.origin;
 571                         flag = getStatus(func);
 572                         theTopLevelCmdDef().release(name);
 573                 } else {
 574                         // catch recursion or unknown command definiton
 575                         // all operations until the recursion or unknown command
 576                         // definiton occures are performed, so set the state to enabled
 577                         enable = true;
 578                 }
 579                 break;
 580         }
 581
 582         case LFUN_VC_COMMAND: {
 583                 if (cmd.argument().empty())
 584                         enable = false;
 585
 586                 if (!buf && contains(cmd.getArg(0), 'D'))
 587                         enable = false;
 588                 break;
 589         }
 590
 591         case LFUN_WORD_FIND_FORWARD:
 592         case LFUN_WORD_FIND_BACKWARD:
 593         case LFUN_WORD_FINDADV:
 594         case LFUN_COMMAND_PREFIX:
 595         case LFUN_COMMAND_EXECUTE:
 596         case LFUN_CANCEL:
 597         case LFUN_META_PREFIX:
 598         case LFUN_BUFFER_CLOSE:
 599         case LFUN_BUFFER_UPDATE:
 600         case LFUN_BUFFER_VIEW:
 601         case LFUN_MASTER_BUFFER_UPDATE:
 602         case LFUN_MASTER_BUFFER_VIEW:
 603         case LFUN_BUFFER_IMPORT:
 604         case LFUN_BUFFER_AUTO_SAVE:
 605         case LFUN_RECONFIGURE:
 606         case LFUN_HELP_OPEN:
 607         case LFUN_DROP_LAYOUTS_CHOICE:
 608         case LFUN_MENU_OPEN:
 609         case LFUN_SERVER_GET_FILENAME:
 610         case LFUN_SERVER_NOTIFY:
 611         case LFUN_SERVER_GOTO_FILE_ROW:
 612         case LFUN_DIALOG_HIDE:
 613         case LFUN_DIALOG_DISCONNECT_INSET:
 614         case LFUN_BUFFER_CHILD_OPEN:
 615         case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
 616         case LFUN_KEYMAP_OFF:
 617         case LFUN_KEYMAP_PRIMARY:
 618         case LFUN_KEYMAP_SECONDARY:
 619         case LFUN_KEYMAP_TOGGLE:
 620         case LFUN_REPEAT:
 621         case LFUN_BUFFER_EXPORT_CUSTOM:
 622         case LFUN_BUFFER_PRINT:
 623         case LFUN_PREFERENCES_SAVE:
 624         case LFUN_MESSAGE:
 625         case LFUN_INSET_EDIT:
 626         case LFUN_BUFFER_LANGUAGE:
 627         case LFUN_TEXTCLASS_APPLY:
 628         case LFUN_TEXTCLASS_LOAD:
 629         case LFUN_BUFFER_SAVE_AS_DEFAULT:
 630         case LFUN_BUFFER_PARAMS_APPLY:
 631         case LFUN_LAYOUT_MODULES_CLEAR:
 632         case LFUN_LAYOUT_MODULE_ADD:
 633         case LFUN_LAYOUT_RELOAD:
 634         case LFUN_LYXRC_APPLY:
 635         case LFUN_BUFFER_NEXT:
 636         case LFUN_BUFFER_PREVIOUS:
 637                 // these are handled in our dispatch()
 638                 break;
 639
 640         default:
 641                 if (!theApp()) {
 642                         enable = false;
 643                         break;
 644                 }
 645                 if (theApp()->getStatus(cmd, flag))
 646                         break;
 647
 648                 // Does the view know something?
 649                 if (!lyx_view_) {
 650                         enable = false;
 651                         break;
 652                 }
 653                 if (lyx_view_->getStatus(cmd, flag))
 654                         break;
 655
 656                 // If we have a BufferView, try cursor position and
 657                 // then the BufferView.
 658                 if (!view()) {
 659                         enable = false;
 660                         break;
 661                 }
 662                 if (!getLocalStatus(view()->cursor(), cmd, flag))
 663                         flag = view()->getStatus(cmd);
 664         }
 665
 666         if (!enable)
 667                 flag.setEnabled(false);
 668
 669         // Can we use a readonly buffer?
 670         if (buf && buf->isReadonly()
 671             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 672             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 673                 flag.message(from_utf8(N_("Document is read-only")));
 674                 flag.setEnabled(false);
 675         }
 676
 677         // Are we in a DELETED change-tracking region?
 678         if (buf && view()
 679                 && lookupChangeType(view()->cursor(), true) == Change::DELETED
 680             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 681             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 682                 flag.message(from_utf8(N_("This portion of the document is deleted.")));
 683                 flag.setEnabled(false);
 684         }
 685
 686         // the default error message if we disable the command
 687         if (!flag.enabled() && flag.message().empty())
 688                 flag.message(from_utf8(N_("Command disabled")));
 689
 690         return flag;
 691 }
 692
 693
 694 bool LyXFunc::ensureBufferClean(BufferView * bv)
 695 {
 696         Buffer & buf = bv->buffer();
 697         if (buf.isClean() && !buf.isUnnamed())
 698                 return true;
 699
 700         docstring const file = buf.fileName().displayName(30);
 701         docstring title;
 702         docstring text;
 703         if (!buf.isUnnamed()) {
 704                 text = bformat(_("The document %1$s has unsaved "
 705                                              "changes.\n\nDo you want to save "
 706                                              "the document?"), file);
 707                 title = _("Save changed document?");
 708
 709         } else {
 710                 text = bformat(_("The document %1$s has not been "
 711                                              "saved yet.\n\nDo you want to save "
 712                                              "the document?"), file);
 713                 title = _("Save new document?");
 714         }
 715         int const ret = Alert::prompt(title, text, 0, 1, _("&Save"), _("&Cancel"));
 716
 717         if (ret == 0)
 718                 lyx_view_->dispatch(FuncRequest(LFUN_BUFFER_WRITE));
 719
 720         return buf.isClean() && !buf.isUnnamed();
 721 }
 722
 723
 724 namespace {
 725
 726 void showPrintError(string const & name)
 727 {
 728         docstring str = bformat(_("Could not print the document %1$s.\n"
 729                                             "Check that your printer is set up correctly."),
 730                              makeDisplayPath(name, 50));
 731         Alert::error(_("Print document failed"), str);
 732 }
 733
 734
 735 bool loadLayoutFile(string const & name, string const & buf_path)
 736 {
 737         if (!LayoutFileList::get().haveClass(name)) {
 738                 lyxerr << "Document class \"" << name
 739                        << "\" does not exist."
 740                        << endl;
 741                 return false;
 742         }
 743
 744         LayoutFile & tc = LayoutFileList::get()[name];
 745         if (!tc.load(buf_path)) {
 746                 docstring s = bformat(_("The document class %1$s "
 747                                    "could not be loaded."), from_utf8(name));
 748                 Alert::error(_("Could not load class"), s);
 749                 return false;
 750         }
 751         return true;
 752 }
 753
 754
 755 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new);
 756
 757 } //namespace anon
 758
 759
 760 void LyXFunc::dispatch(FuncRequest const & cmd)
 761 {
 762         string const argument = to_utf8(cmd.argument());
 763         FuncCode const action = cmd.action;
 764
 765         LYXERR(Debug::ACTION, "\nLyXFunc::dispatch: cmd: " << cmd);
 766         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 767
 768         // we have not done anything wrong yet.
 769         errorstat = false;
 770         dispatch_buffer.erase();
 771
 772         // redraw the screen at the end (first of the two drawing steps).
 773         //This is done unless explicitely requested otherwise
 774         Update::flags updateFlags = Update::FitCursor;
 775
 776         FuncStatus const flag = getStatus(cmd);
 777         if (!flag.enabled()) {
 778                 // We cannot use this function here
 779                 LYXERR(Debug::ACTION, "LyXFunc::dispatch: "
 780                        << lyxaction.getActionName(action)
 781                        << " [" << action << "] is disabled at this location");
 782                 setErrorMessage(flag.message());
 783                 if (lyx_view_)
 784                         lyx_view_->restartCursor();
 785         } else {
 786                 Buffer * buffer = lyx_view_ ? lyx_view_->buffer() : 0;
 787                 switch (action) {
 788
 789                 case LFUN_WORD_FIND_FORWARD:
 790                 case LFUN_WORD_FIND_BACKWARD: {
 791                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 792                         static docstring last_search;
 793                         docstring searched_string;
 794
 795                         if (!cmd.argument().empty()) {
 796                                 last_search = cmd.argument();
 797                                 searched_string = cmd.argument();
 798                         } else {
 799                                 searched_string = last_search;
 800                         }
 801
 802                         if (searched_string.empty())
 803                                 break;
 804
 805                         bool const fw = action == LFUN_WORD_FIND_FORWARD;
 806                         docstring const data =
 807                                 find2string(searched_string, true, false, fw);
 808                         find(view(), FuncRequest(LFUN_WORD_FIND, data));
 809                         break;
 810                 }
 811
 812                 case LFUN_COMMAND_PREFIX:
 813                         LASSERT(lyx_view_, /**/);
 814                         lyx_view_->message(keyseq.printOptions(true));
 815                         break;
 816
 817                 case LFUN_CANCEL:
 818                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 819                         keyseq.reset();
 820                         meta_fake_bit = NoModifier;
 821                         if (buffer)
 822                                 // cancel any selection
 823                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 824                         setMessage(from_ascii(N_("Cancel")));
 825                         break;
 826
 827                 case LFUN_META_PREFIX:
 828                         meta_fake_bit = AltModifier;
 829                         setMessage(keyseq.print(KeySequence::ForGui));
 830                         break;
 831
 832                 case LFUN_BUFFER_TOGGLE_READ_ONLY: {
 833                         LASSERT(lyx_view_ && lyx_view_->view() && buffer, /**/);
 834                         if (buffer->lyxvc().inUse())
 835                                 buffer->lyxvc().toggleReadOnly();
 836                         else
 837                                 buffer->setReadonly(!buffer->isReadonly());
 838                         break;
 839                 }
 840
 841                 // --- Menus -----------------------------------------------
 842                 case LFUN_BUFFER_CLOSE:
 843                         lyx_view_->closeBuffer();
 844                         buffer = 0;
 845                         updateFlags = Update::None;
 846                         break;
 847
 848                 case LFUN_BUFFER_RELOAD: {
 849                         LASSERT(lyx_view_ && buffer, /**/);
 850                         docstring const file = makeDisplayPath(buffer->absFileName(), 20);
 851                         docstring text = bformat(_("Any changes will be lost. Are you sure "
 852                                                              "you want to revert to the saved version of the document %1$s?"), file);
 853                         int const ret = Alert::prompt(_("Revert to saved document?"),
 854                                 text, 1, 1, _("&Revert"), _("&Cancel"));
 855
 856                         if (ret == 0)
 857                                 reloadBuffer();
 858                         break;
 859                 }
 860
 861                 case LFUN_BUFFER_UPDATE:
 862                         LASSERT(lyx_view_ && buffer, /**/);
 863                         buffer->doExport(argument, true);
 864                         break;
 865
 866                 case LFUN_BUFFER_VIEW:
 867                         LASSERT(lyx_view_ && buffer, /**/);
 868                         buffer->preview(argument);
 869                         break;
 870
 871                 case LFUN_MASTER_BUFFER_UPDATE:
 872                         LASSERT(lyx_view_ && buffer && buffer->masterBuffer(), /**/);
 873                         buffer->masterBuffer()->doExport(argument, true);
 874                         break;
 875
 876                 case LFUN_MASTER_BUFFER_VIEW:
 877                         LASSERT(lyx_view_ && buffer && buffer->masterBuffer(), /**/);
 878                         buffer->masterBuffer()->preview(argument);
 879                         break;
 880
 881                 case LFUN_BUILD_PROGRAM:
 882                         LASSERT(lyx_view_ && buffer, /**/);
 883                         buffer->doExport("program", true);
 884                         break;
 885
 886                 case LFUN_BUFFER_CHKTEX:
 887                         LASSERT(lyx_view_ && buffer, /**/);
 888                         buffer->runChktex();
 889                         break;
 890
 891                 case LFUN_BUFFER_EXPORT:
 892                         LASSERT(lyx_view_ && buffer, /**/);
 893                         if (argument == "custom")
 894                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"));
 895                         else
 896                                 buffer->doExport(argument, false);
 897                         break;
 898
 899                 case LFUN_BUFFER_EXPORT_CUSTOM: {
 900                         LASSERT(lyx_view_ && buffer, /**/);
 901                         string format_name;
 902                         string command = split(argument, format_name, ' ');
 903                         Format const * format = formats.getFormat(format_name);
 904                         if (!format) {
 905                                 lyxerr << "Format \"" << format_name
 906                                        << "\" not recognized!"
 907                                        << endl;
 908                                 break;
 909                         }
 910
 911                         // The name of the file created by the conversion process
 912                         string filename;
 913
 914                         // Output to filename
 915                         if (format->name() == "lyx") {
 916                                 string const latexname = buffer->latexName(false);
 917                                 filename = changeExtension(latexname,
 918                                                            format->extension());
 919                                 filename = addName(buffer->temppath(), filename);
 920
 921                                 if (!buffer->writeFile(FileName(filename)))
 922                                         break;
 923
 924                         } else {
 925                                 buffer->doExport(format_name, true, filename);
 926                         }
 927
 928                         // Substitute $$FName for filename
 929                         if (!contains(command, "$$FName"))
 930                                 command = "( " + command + " ) < $$FName";
 931                         command = subst(command, "$$FName", filename);
 932
 933                         // Execute the command in the background
 934                         Systemcall call;
 935                         call.startscript(Systemcall::DontWait, command);
 936                         break;
 937                 }
 938
 939                 case LFUN_BUFFER_PRINT: {
 940                         LASSERT(lyx_view_ && buffer, /**/);
 941                         // FIXME: cmd.getArg() might fail if one of the arguments
 942                         // contains double quotes
 943                         string target = cmd.getArg(0);
 944                         string target_name = cmd.getArg(1);
 945                         string command = cmd.getArg(2);
 946
 947                         if (target.empty()
 948                             || target_name.empty()
 949                             || command.empty()) {
 950                                 lyxerr << "Unable to parse \""
 951                                        << argument << '"' << endl;
 952                                 break;
 953                         }
 954                         if (target != "printer" && target != "file") {
 955                                 lyxerr << "Unrecognized target \""
 956                                        << target << '"' << endl;
 957                                 break;
 958                         }
 959
 960                         if (!buffer->doExport("dvi", true)) {
 961                                 showPrintError(buffer->absFileName());
 962                                 break;
 963                         }
 964
 965                         // Push directory path.
 966                         string const path = buffer->temppath();
 967                         // Prevent the compiler from optimizing away p
 968                         FileName pp(path);
 969                         PathChanger p(pp);
 970
 971                         // there are three cases here:
 972                         // 1. we print to a file
 973                         // 2. we print directly to a printer
 974                         // 3. we print using a spool command (print to file first)
 975                         Systemcall one;
 976                         int res = 0;
 977                         string const dviname =
 978                                 changeExtension(buffer->latexName(true), "dvi");
 979
 980                         if (target == "printer") {
 981                                 if (!lyxrc.print_spool_command.empty()) {
 982                                         // case 3: print using a spool
 983                                         string const psname =
 984                                                 changeExtension(dviname,".ps");
 985                                         command += ' ' + lyxrc.print_to_file
 986                                                 + quoteName(psname)
 987                                                 + ' '
 988                                                 + quoteName(dviname);
 989
 990                                         string command2 =
 991                                                 lyxrc.print_spool_command + ' ';
 992                                         if (target_name != "default") {
 993                                                 command2 += lyxrc.print_spool_printerprefix
 994                                                         + target_name
 995                                                         + ' ';
 996                                         }
 997                                         command2 += quoteName(psname);
 998                                         // First run dvips.
 999                                         // If successful, then spool command
1000                                         res = one.startscript(
1001                                                 Systemcall::Wait,
1002                                                 command);
1003
1004                                         if (res == 0)
1005                                                 res = one.startscript(
1006                                                         Systemcall::DontWait,
1007                                                         command2);
1008                                 } else {
1009                                         // case 2: print directly to a printer
1010                                         if (target_name != "default")
1011                                                 command += ' ' + lyxrc.print_to_printer + target_name + ' ';
1012                                         res = one.startscript(
1013                                                 Systemcall::DontWait,
1014                                                 command + quoteName(dviname));
1015                                 }
1016
1017                         } else {
1018                                 // case 1: print to a file
1019                                 FileName const filename(makeAbsPath(target_name,
1020                                                         buffer->filePath()));
1021                                 FileName const dvifile(makeAbsPath(dviname, path));
1022                                 if (filename.exists()) {
1023                                         docstring text = bformat(
1024                                                 _("The file %1$s already exists.\n\n"
1025                                                   "Do you want to overwrite that file?"),
1026                                                 makeDisplayPath(filename.absFilename()));
1027                                         if (Alert::prompt(_("Overwrite file?"),
1028                                             text, 0, 1, _("&Overwrite"), _("&Cancel")) != 0)
1029                                                 break;
1030                                 }
1031                                 command += ' ' + lyxrc.print_to_file
1032                                         + quoteName(filename.toFilesystemEncoding())
1033                                         + ' '
1034                                         + quoteName(dvifile.toFilesystemEncoding());
1035                                 res = one.startscript(Systemcall::DontWait,
1036                                                       command);
1037                         }
1038
1039                         if (res != 0)
1040                                 showPrintError(buffer->absFileName());
1041                         break;
1042                 }
1043
1044                 // FIXME: There is need for a command-line import.
1045                 /*
1046                 case LFUN_BUFFER_IMPORT:
1047                         doImport(argument);
1048                         break;
1049                 */
1050
1051                 case LFUN_BUFFER_AUTO_SAVE:
1052                         buffer->autoSave();
1053                         break;
1054
1055                 case LFUN_RECONFIGURE:
1056                         // argument is any additional parameter to the configure.py command
1057                         reconfigure(lyx_view_, argument);
1058                         break;
1059
1060                 case LFUN_HELP_OPEN: {
1061                         if (lyx_view_ == 0)
1062                                 theApp()->dispatch(FuncRequest(LFUN_WINDOW_NEW));
1063                         string const arg = argument;
1064                         if (arg.empty()) {
1065                                 setErrorMessage(from_utf8(N_("Missing argument")));
1066                                 break;
1067                         }
1068                         FileName fname = i18nLibFileSearch("doc", arg, "lyx");
1069                         if (fname.empty())
1070                                 fname = i18nLibFileSearch("examples", arg, "lyx");
1071
1072                         if (fname.empty()) {
1073                                 lyxerr << "LyX: unable to find documentation file `"
1074                                                          << arg << "'. Bad installation?" << endl;
1075                                 break;
1076                         }
1077                         lyx_view_->message(bformat(_("Opening help file %1$s..."),
1078                                 makeDisplayPath(fname.absFilename())));
1079                         Buffer * buf = lyx_view_->loadDocument(fname, false);
1080                         if (buf) {
1081                                 buf->updateLabels();
1082                                 lyx_view_->setBuffer(buf);
1083                                 buf->errors("Parse");
1084                         }
1085                         updateFlags = Update::None;
1086                         break;
1087                 }
1088
1089                 // --- version control -------------------------------
1090                 case LFUN_VC_REGISTER:
1091                         LASSERT(lyx_view_ && buffer, /**/);
1092                         if (!ensureBufferClean(view()))
1093                                 break;
1094                         if (!buffer->lyxvc().inUse()) {
1095                                 if (buffer->lyxvc().registrer())
1096                                         reloadBuffer();
1097                         }
1098                         updateFlags = Update::Force;
1099                         break;
1100
1101                 case LFUN_VC_CHECK_IN:
1102                         LASSERT(lyx_view_ && buffer, /**/);
1103                         if (!ensureBufferClean(view()))
1104                                 break;
1105                         if (buffer->lyxvc().inUse()
1106                                         && !buffer->isReadonly()) {
1107                                 setMessage(from_utf8(buffer->lyxvc().checkIn()));
1108                                 reloadBuffer();
1109                         }
1110                         break;
1111
1112                 case LFUN_VC_CHECK_OUT:
1113                         LASSERT(lyx_view_ && buffer, /**/);
1114                         if (!ensureBufferClean(view()))
1115                                 break;
1116                         if (buffer->lyxvc().inUse()) {
1117                                 setMessage(from_utf8(buffer->lyxvc().checkOut()));
1118                                 reloadBuffer();
1119                         }
1120                         break;
1121
1122                 case LFUN_VC_REVERT:
1123                         LASSERT(lyx_view_ && buffer, /**/);
1124                         buffer->lyxvc().revert();
1125                         reloadBuffer();
1126                         break;
1127
1128                 case LFUN_VC_UNDO_LAST:
1129                         LASSERT(lyx_view_ && buffer, /**/);
1130                         buffer->lyxvc().undoLast();
1131                         reloadBuffer();
1132                         break;
1133
1134                 // --- lyxserver commands ----------------------------
1135                 case LFUN_SERVER_GET_FILENAME:
1136                         LASSERT(lyx_view_ && buffer, /**/);
1137                         setMessage(from_utf8(buffer->absFileName()));
1138                         LYXERR(Debug::INFO, "FNAME["
1139                                 << buffer->absFileName() << ']');
1140                         break;
1141
1142                 case LFUN_SERVER_NOTIFY:
1143                         dispatch_buffer = keyseq.print(KeySequence::Portable);
1144                         theServer().notifyClient(to_utf8(dispatch_buffer));
1145                         break;
1146
1147                 case LFUN_SERVER_GOTO_FILE_ROW: {
1148                         LASSERT(lyx_view_, /**/);
1149                         string file_name;
1150                         int row;
1151                         istringstream is(argument);
1152                         is >> file_name >> row;
1153                         Buffer * buf = 0;
1154                         bool loaded = false;
1155                         if (prefixIs(file_name, package().temp_dir().absFilename()))
1156                                 // Needed by inverse dvi search. If it is a file
1157                                 // in tmpdir, call the apropriated function
1158                                 buf = theBufferList().getBufferFromTmp(file_name);
1159                         else {
1160                                 // Must replace extension of the file to be .lyx
1161                                 // and get full path
1162                                 FileName const s = fileSearch(string(), changeExtension(file_name, ".lyx"), "lyx");
1163                                 // Either change buffer or load the file
1164                                 if (theBufferList().exists(s))
1165                                         buf = theBufferList().getBuffer(s);
1166                                 else {
1167                                         buf = lyx_view_->loadDocument(s);
1168                                         loaded = true;
1169                                 }
1170                         }
1171
1172                         if (!buf) {
1173                                 updateFlags = Update::None;
1174                                 break;
1175                         }
1176
1177                         buf->updateLabels();
1178                         lyx_view_->setBuffer(buf);
1179                         view()->setCursorFromRow(row);
1180                         if (loaded)
1181                                 buf->errors("Parse");
1182                         updateFlags = Update::FitCursor;
1183                         break;
1184                 }
1185
1186
1187                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1188                         LASSERT(lyx_view_, /**/);
1189                         string const name = cmd.getArg(0);
1190                         InsetCode code = insetCode(name);
1191                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1192                         bool insetCodeOK = true;
1193                         switch (code) {
1194                         case BIBITEM_CODE:
1195                         case BIBTEX_CODE:
1196                         case INDEX_CODE:
1197                         case LABEL_CODE:
1198                         case NOMENCL_CODE:
1199                         case REF_CODE:
1200                         case TOC_CODE:
1201                         case HYPERLINK_CODE: {
1202                                 InsetCommandParams p(code);
1203                                 data = InsetCommand::params2string(name, p);
1204                                 break;
1205                         }
1206                         case INCLUDE_CODE: {
1207                                 // data is the include type: one of "include",
1208                                 // "input", "verbatiminput" or "verbatiminput*"
1209                                 if (data.empty())
1210                                         // default type is requested
1211                                         data = "include";
1212                                 InsetCommandParams p(INCLUDE_CODE, data);
1213                                 data = InsetCommand::params2string("include", p);
1214                                 break;
1215                         }
1216                         case BOX_CODE: {
1217                                 // \c data == "Boxed" || "Frameless" etc
1218                                 InsetBoxParams p(data);
1219                                 data = InsetBox::params2string(p);
1220                                 break;
1221                         }
1222                         case BRANCH_CODE: {
1223                                 InsetBranchParams p;
1224                                 data = InsetBranch::params2string(p);
1225                                 break;
1226                         }
1227                         case CITE_CODE: {
1228                                 InsetCommandParams p(CITE_CODE);
1229                                 data = InsetCommand::params2string(name, p);
1230                                 break;
1231                         }
1232                         case ERT_CODE: {
1233                                 data = InsetERT::params2string(InsetCollapsable::Open);
1234                                 break;
1235                         }
1236                         case EXTERNAL_CODE: {
1237                                 InsetExternalParams p;
1238                                 data = InsetExternal::params2string(p, *buffer);
1239                                 break;
1240                         }
1241                         case FLOAT_CODE:  {
1242                                 InsetFloatParams p;
1243                                 data = InsetFloat::params2string(p);
1244                                 break;
1245                         }
1246                         case LISTINGS_CODE: {
1247                                 InsetListingsParams p;
1248                                 data = InsetListings::params2string(p);
1249                                 break;
1250                         }
1251                         case GRAPHICS_CODE: {
1252                                 InsetGraphicsParams p;
1253                                 data = InsetGraphics::params2string(p, *buffer);
1254                                 break;
1255                         }
1256                         case NOTE_CODE: {
1257                                 InsetNoteParams p;
1258                                 data = InsetNote::params2string(p);
1259                                 break;
1260                         }
1261                         case PHANTOM_CODE: {
1262                                 InsetPhantomParams p;
1263                                 data = InsetPhantom::params2string(p);
1264                                 break;
1265                         }
1266                         case SPACE_CODE: {
1267                                 InsetSpaceParams p;
1268                                 data = InsetSpace::params2string(p);
1269                                 break;
1270                         }
1271                         case VSPACE_CODE: {
1272                                 VSpace space;
1273                                 data = InsetVSpace::params2string(space);
1274                                 break;
1275                         }
1276                         case WRAP_CODE: {
1277                                 InsetWrapParams p;
1278                                 data = InsetWrap::params2string(p);
1279                                 break;
1280                         }
1281                         default:
1282                                 lyxerr << "Inset type '" << name <<
1283                                         "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" <<  endl;
1284                                 insetCodeOK = false;
1285                                 break;
1286                         } // end switch(code)
1287                         if (insetCodeOK)
1288                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
1289                         break;
1290                 }
1291
1292                 case LFUN_CITATION_INSERT: {
1293                         LASSERT(lyx_view_, /**/);
1294                         if (!argument.empty()) {
1295                                 // we can have one optional argument, delimited by '|'
1296                                 // citation-insert <key>|<text_before>
1297                                 // this should be enhanced to also support text_after
1298                                 // and citation style
1299                                 string arg = argument;
1300                                 string opt1;
1301                                 if (contains(argument, "|")) {
1302                                         arg = token(argument, '|', 0);
1303                                         opt1 = token(argument, '|', 1);
1304                                 }
1305                                 InsetCommandParams icp(CITE_CODE);
1306                                 icp["key"] = from_utf8(arg);
1307                                 if (!opt1.empty())
1308                                         icp["before"] = from_utf8(opt1);
1309                                 string icstr = InsetCommand::params2string("citation", icp);
1310                                 FuncRequest fr(LFUN_INSET_INSERT, icstr);
1311                                 dispatch(fr);
1312                         } else
1313                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
1314                         break;
1315                 }
1316
1317                 case LFUN_BUFFER_CHILD_OPEN: {
1318                         LASSERT(lyx_view_ && buffer, /**/);
1319                         FileName filename = makeAbsPath(argument, buffer->filePath());
1320                         view()->saveBookmark(false);
1321                         Buffer * child = 0;
1322                         bool parsed = false;
1323                         if (theBufferList().exists(filename)) {
1324                                 child = theBufferList().getBuffer(filename);
1325                         } else {
1326                                 setMessage(bformat(_("Opening child document %1$s..."),
1327                                         makeDisplayPath(filename.absFilename())));
1328                                 child = lyx_view_->loadDocument(filename, false);
1329                                 parsed = true;
1330                         }
1331                         if (child) {
1332                                 // Set the parent name of the child document.
1333                                 // This makes insertion of citations and references in the child work,
1334                                 // when the target is in the parent or another child document.
1335                                 child->setParent(buffer);
1336                                 child->masterBuffer()->updateLabels();
1337                                 lyx_view_->setBuffer(child);
1338                                 if (parsed)
1339                                         child->errors("Parse");
1340                         }
1341
1342                         // If a screen update is required (in case where auto_open is false),
1343                         // setBuffer() would have taken care of it already. Otherwise we shall
1344                         // reset the update flag because it can cause a circular problem.
1345                         // See bug 3970.
1346                         updateFlags = Update::None;
1347                         break;
1348                 }
1349
1350                 case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
1351                         LASSERT(lyx_view_, /**/);
1352                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1353                         break;
1354
1355                 case LFUN_KEYMAP_OFF:
1356                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1357                         lyx_view_->view()->getIntl().keyMapOn(false);
1358                         break;
1359
1360                 case LFUN_KEYMAP_PRIMARY:
1361                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1362                         lyx_view_->view()->getIntl().keyMapPrim();
1363                         break;
1364
1365                 case LFUN_KEYMAP_SECONDARY:
1366                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1367                         lyx_view_->view()->getIntl().keyMapSec();
1368                         break;
1369
1370                 case LFUN_KEYMAP_TOGGLE:
1371                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1372                         lyx_view_->view()->getIntl().toggleKeyMap();
1373                         break;
1374
1375                 case LFUN_REPEAT: {
1376                         // repeat command
1377                         string countstr;
1378                         string rest = split(argument, countstr, ' ');
1379                         istringstream is(countstr);
1380                         int count = 0;
1381                         is >> count;
1382                         //lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1383                         for (int i = 0; i < count; ++i)
1384                                 dispatch(lyxaction.lookupFunc(rest));
1385                         break;
1386                 }
1387
1388                 case LFUN_COMMAND_SEQUENCE: {
1389                         // argument contains ';'-terminated commands
1390                         string arg = argument;
1391                         if (theBufferList().isLoaded(buffer))
1392                                 buffer->undo().beginUndoGroup();
1393                         while (!arg.empty()) {
1394                                 string first;
1395                                 arg = split(arg, first, ';');
1396                                 FuncRequest func(lyxaction.lookupFunc(first));
1397                                 func.origin = cmd.origin;
1398                                 dispatch(func);
1399                         }
1400                         if (theBufferList().isLoaded(buffer))
1401                                 buffer->undo().endUndoGroup();
1402                         break;
1403                 }
1404
1405                 case LFUN_COMMAND_ALTERNATIVES: {
1406                         // argument contains ';'-terminated commands
1407                         string arg = argument;
1408                         while (!arg.empty()) {
1409                                 string first;
1410                                 arg = split(arg, first, ';');
1411                                 FuncRequest func(lyxaction.lookupFunc(first));
1412                                 func.origin = cmd.origin;
1413                                 FuncStatus stat = getStatus(func);
1414                                 if (stat.enabled()) {
1415                                         dispatch(func);
1416                                         break;
1417                                 }
1418                         }
1419                         break;
1420                 }
1421
1422                 case LFUN_CALL: {
1423                         FuncRequest func;
1424                         if (theTopLevelCmdDef().lock(argument, func)) {
1425                                 func.origin = cmd.origin;
1426                                 dispatch(func);
1427                                 theTopLevelCmdDef().release(argument);
1428                         } else {
1429                                 if (func.action == LFUN_UNKNOWN_ACTION) {
1430                                         // unknown command definition
1431                                         lyxerr << "Warning: unknown command definition `"
1432                                                    << argument << "'"
1433                                                    << endl;
1434                                 } else {
1435                                         // recursion detected
1436                                         lyxerr << "Warning: Recursion in the command definition `"
1437                                                    << argument << "' detected"
1438                                                    << endl;
1439                                 }
1440                         }
1441                         break;
1442                 }
1443
1444                 case LFUN_PREFERENCES_SAVE: {
1445                         lyxrc.write(makeAbsPath("preferences",
1446                                                 package().user_support().absFilename()),
1447                                     false);
1448                         break;
1449                 }
1450
1451                 case LFUN_MESSAGE:
1452                         LASSERT(lyx_view_, /**/);
1453                         lyx_view_->message(from_utf8(argument));
1454                         break;
1455
1456                 case LFUN_BUFFER_LANGUAGE: {
1457                         LASSERT(lyx_view_, /**/);
1458                         Language const * oldL = buffer->params().language;
1459                         Language const * newL = languages.getLanguage(argument);
1460                         if (!newL || oldL == newL)
1461                                 break;
1462
1463                         if (oldL->rightToLeft() == newL->rightToLeft()
1464                             && !buffer->isMultiLingual())
1465                                 buffer->changeLanguage(oldL, newL);
1466                         break;
1467                 }
1468
1469                 case LFUN_BUFFER_SAVE_AS_DEFAULT: {
1470                         string const fname =
1471                                 addName(addPath(package().user_support().absFilename(), "templates/"),
1472                                         "defaults.lyx");
1473                         Buffer defaults(fname);
1474
1475                         istringstream ss(argument);
1476                         Lexer lex;
1477                         lex.setStream(ss);
1478                         int const unknown_tokens = defaults.readHeader(lex);
1479
1480                         if (unknown_tokens != 0) {
1481                                 lyxerr << "Warning in LFUN_BUFFER_SAVE_AS_DEFAULT!\n"
1482                                        << unknown_tokens << " unknown token"
1483                                        << (unknown_tokens == 1 ? "" : "s")
1484                                        << endl;
1485                         }
1486
1487                         if (defaults.writeFile(FileName(defaults.absFileName())))
1488                                 setMessage(bformat(_("Document defaults saved in %1$s"),
1489                                                    makeDisplayPath(fname)));
1490                         else
1491                                 setErrorMessage(from_ascii(N_("Unable to save document defaults")));
1492                         break;
1493                 }
1494
1495                 case LFUN_BUFFER_PARAMS_APPLY: {
1496                         LASSERT(lyx_view_, /**/);
1497
1498                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1499                         Cursor & cur = view()->cursor();
1500                         cur.recordUndoFullDocument();
1501
1502                         istringstream ss(argument);
1503                         Lexer lex;
1504                         lex.setStream(ss);
1505                         int const unknown_tokens = buffer->readHeader(lex);
1506
1507                         if (unknown_tokens != 0) {
1508                                 lyxerr << "Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1509                                                 << unknown_tokens << " unknown token"
1510                                                 << (unknown_tokens == 1 ? "" : "s")
1511                                                 << endl;
1512                         }
1513
1514                         updateLayout(oldClass, buffer);
1515
1516                         updateFlags = Update::Force | Update::FitCursor;
1517                         // We are most certainly here because of a change in the document
1518                         // It is then better to make sure that all dialogs are in sync with
1519                         // current document settings. LyXView::restartCursor() achieve this.
1520                         lyx_view_->restartCursor();
1521                         break;
1522                 }
1523
1524                 case LFUN_LAYOUT_MODULES_CLEAR: {
1525                         LASSERT(lyx_view_, /**/);
1526                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1527                         view()->cursor().recordUndoFullDocument();
1528                         buffer->params().clearLayoutModules();
1529                         buffer->params().makeDocumentClass();
1530                         updateLayout(oldClass, buffer);
1531                         updateFlags = Update::Force | Update::FitCursor;
1532                         break;
1533                 }
1534
1535                 case LFUN_LAYOUT_MODULE_ADD: {
1536                         LASSERT(lyx_view_, /**/);
1537                         BufferParams const & params = buffer->params();
1538                         if (!params.moduleCanBeAdded(argument)) {
1539                                 LYXERR0("Module `" << argument <<
1540                                                 "' cannot be added due to failed requirements or "
1541                                                 "conflicts with installed modules.");
1542                                 break;
1543                         }
1544                         DocumentClass const * const oldClass = params.documentClassPtr();
1545                         view()->cursor().recordUndoFullDocument();
1546                         buffer->params().addLayoutModule(argument);
1547                         buffer->params().makeDocumentClass();
1548                         updateLayout(oldClass, buffer);
1549                         updateFlags = Update::Force | Update::FitCursor;
1550                         break;
1551                 }
1552
1553                 case LFUN_TEXTCLASS_APPLY: {
1554                         LASSERT(lyx_view_, /**/);
1555
1556                         if (!loadLayoutFile(argument, buffer->temppath()) &&
1557                                 !loadLayoutFile(argument, buffer->filePath()))
1558                                 break;
1559
1560                         LayoutFile const * old_layout = buffer->params().baseClass();
1561                         LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1562
1563                         if (old_layout == new_layout)
1564                                 // nothing to do
1565                                 break;
1566
1567                         //Save the old, possibly modular, layout for use in conversion.
1568                         DocumentClass const * const oldDocClass = buffer->params().documentClassPtr();
1569                         view()->cursor().recordUndoFullDocument();
1570                         buffer->params().setBaseClass(argument);
1571                         buffer->params().makeDocumentClass();
1572                         updateLayout(oldDocClass, buffer);
1573                         updateFlags = Update::Force | Update::FitCursor;
1574                         break;
1575                 }
1576
1577                 case LFUN_LAYOUT_RELOAD: {
1578                         LASSERT(lyx_view_, /**/);
1579                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1580                         LayoutFileIndex bc = buffer->params().baseClassID();
1581                         LayoutFileList::get().reset(bc);
1582                         buffer->params().setBaseClass(bc);
1583                         buffer->params().makeDocumentClass();
1584                         updateLayout(oldClass, buffer);
1585                         updateFlags = Update::Force | Update::FitCursor;
1586                         break;
1587                 }
1588
1589                 case LFUN_TEXTCLASS_LOAD:
1590                         loadLayoutFile(argument, buffer->temppath()) ||
1591                         loadLayoutFile(argument, buffer->filePath());
1592                         break;
1593
1594                 case LFUN_LYXRC_APPLY: {
1595                         LyXRC const lyxrc_orig = lyxrc;
1596
1597                         istringstream ss(argument);
1598                         bool const success = lyxrc.read(ss) == 0;
1599
1600                         if (!success) {
1601                                 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1602                                        << "Unable to read lyxrc data"
1603                                        << endl;
1604                                 break;
1605                         }
1606
1607                         actOnUpdatedPrefs(lyxrc_orig, lyxrc);
1608
1609                         theApp()->resetGui();
1610
1611                         /// We force the redraw in any case because there might be
1612                         /// some screen font changes.
1613                         /// FIXME: only the current view will be updated. the Gui
1614                         /// class is able to furnish the list of views.
1615                         updateFlags = Update::Force;
1616                         break;
1617                 }
1618
1619                 case LFUN_BOOKMARK_GOTO:
1620                         // go to bookmark, open unopened file and switch to buffer if necessary
1621                         gotoBookmark(convert<unsigned int>(to_utf8(cmd.argument())), true, true);
1622                         updateFlags = Update::FitCursor;
1623                         break;
1624
1625                 case LFUN_BOOKMARK_CLEAR:
1626                         theSession().bookmarks().clear();
1627                         break;
1628
1629                 case LFUN_VC_COMMAND: {
1630                         string flag = cmd.getArg(0);
1631                         if (buffer && contains(flag, 'R') && !ensureBufferClean(view()))
1632                                 break;
1633                         docstring message;
1634                         if (contains(flag, 'M'))
1635                                 if (!Alert::askForText(message, _("LyX VC: Log Message")))
1636                                         break;
1637
1638                         string path = cmd.getArg(1);
1639                         if (contains(path, "$$p") && buffer)
1640                                 path = subst(path, "$$p", buffer->filePath());
1641                         LYXERR(Debug::LYXVC, "Directory: " << path);
1642                         FileName pp(path);
1643                         if (!pp.isReadableDirectory()) {
1644                                 lyxerr << _("Directory is not accessible.") << endl;
1645                                 break;
1646                         }
1647                         support::PathChanger p(pp);
1648
1649                         string command = cmd.getArg(2);
1650                         if (command.empty())
1651                                 break;
1652                         if (buffer) {
1653                                 command = subst(command, "$$i", buffer->absFileName());
1654                                 command = subst(command, "$$p", buffer->filePath());
1655                         }
1656                         command = subst(command, "$$m", to_utf8(message));
1657                         LYXERR(Debug::LYXVC, "Command: " << command);
1658                         Systemcall one;
1659                         one.startscript(Systemcall::Wait, command);
1660
1661                         if (!buffer)
1662                                 break;
1663                         if (contains(flag, 'I'))
1664                                 buffer->markDirty();
1665                         if (contains(flag, 'R'))
1666                                 reloadBuffer();
1667
1668                         break;
1669                 }
1670
1671                 default:
1672                         LASSERT(theApp(), /**/);
1673                         // Let the frontend dispatch its own actions.
1674                         if (theApp()->dispatch(cmd))
1675                                 // Nothing more to do.
1676                                 return;
1677
1678                         // Everything below is only for active lyx_view_
1679                         if (lyx_view_ == 0)
1680                                 break;
1681
1682                         // Start an undo group. This may be needed for
1683                         // some stuff like inset-apply on labels.
1684                         if (theBufferList().isLoaded(buffer))
1685                                 buffer->undo().beginUndoGroup();
1686
1687                         // Let the current LyXView dispatch its own actions.
1688                         if (lyx_view_->dispatch(cmd)) {
1689                                 if (lyx_view_->view()) {
1690                                         updateFlags = lyx_view_->view()->cursor().result().update();
1691                                         if (theBufferList().isLoaded(buffer))
1692                                                 buffer->undo().endUndoGroup();
1693                                 }
1694                                 break;
1695                         }
1696
1697                         LASSERT(lyx_view_->view(), /**/);
1698
1699                         // Let the current BufferView dispatch its own actions.
1700                         if (view()->dispatch(cmd)) {
1701                                 // The BufferView took care of its own updates if needed.
1702                                 updateFlags = Update::None;
1703                                 if (theBufferList().isLoaded(buffer))
1704                                         buffer->undo().endUndoGroup();
1705                                 break;
1706                         }
1707
1708                         // Let the current Cursor dispatch its own actions.
1709                         Cursor old = view()->cursor();
1710                         view()->cursor().getPos(cursorPosBeforeDispatchX_,
1711                                                 cursorPosBeforeDispatchY_);
1712                         view()->cursor().dispatch(cmd);
1713
1714                         // notify insets we just left
1715                         if (view()->cursor() != old) {
1716                                 old.fixIfBroken();
1717                                 bool badcursor = notifyCursorLeavesOrEnters(old, view()->cursor());
1718                                 if (badcursor)
1719                                         view()->cursor().fixIfBroken();
1720                         }
1721
1722                         if (theBufferList().isLoaded(buffer))
1723                                 buffer->undo().endUndoGroup();
1724
1725                         // update completion. We do it here and not in
1726                         // processKeySym to avoid another redraw just for a
1727                         // changed inline completion
1728                         if (cmd.origin == FuncRequest::KEYBOARD) {
1729                                 if (cmd.action == LFUN_SELF_INSERT)
1730                                         lyx_view_->updateCompletion(view()->cursor(), true, true);
1731                                 else if (cmd.action == LFUN_CHAR_DELETE_BACKWARD)
1732                                         lyx_view_->updateCompletion(view()->cursor(), false, true);
1733                                 else
1734                                         lyx_view_->updateCompletion(view()->cursor(), false, false);
1735                         }
1736
1737                         updateFlags = view()->cursor().result().update();
1738                 }
1739
1740                 // if we executed a mutating lfun, mark the buffer as dirty
1741                 if (theBufferList().isLoaded(buffer) && flag.enabled()
1742                     && !lyxaction.funcHasFlag(action, LyXAction::NoBuffer)
1743                     && !lyxaction.funcHasFlag(action, LyXAction::ReadOnly))
1744                         buffer->markDirty();
1745
1746                 if (lyx_view_ && lyx_view_->buffer()) {
1747                         // BufferView::update() updates the ViewMetricsInfo and
1748                         // also initializes the position cache for all insets in
1749                         // (at least partially) visible top-level paragraphs.
1750                         // We will redraw the screen only if needed.
1751                         view()->processUpdateFlags(updateFlags);
1752
1753                         // Do we have a selection?
1754                         theSelection().haveSelection(view()->cursor().selection());
1755
1756                         // update gui
1757                         lyx_view_->restartCursor();
1758                 }
1759         }
1760         if (lyx_view_) {
1761                 // Some messages may already be translated, so we cannot use _()
1762                 sendDispatchMessage(translateIfPossible(getMessage()), cmd);
1763         }
1764 }
1765
1766
1767 void LyXFunc::sendDispatchMessage(docstring const & msg, FuncRequest const & cmd)
1768 {
1769         const bool verbose = (cmd.origin == FuncRequest::MENU
1770                               || cmd.origin == FuncRequest::TOOLBAR
1771                               || cmd.origin == FuncRequest::COMMANDBUFFER);
1772
1773         if (cmd.action == LFUN_SELF_INSERT || !verbose) {
1774                 LYXERR(Debug::ACTION, "dispatch msg is " << to_utf8(msg));
1775                 if (!msg.empty())
1776                         lyx_view_->message(msg);
1777                 return;
1778         }
1779
1780         docstring dispatch_msg = msg;
1781         if (!dispatch_msg.empty())
1782                 dispatch_msg += ' ';
1783
1784         docstring comname = from_utf8(lyxaction.getActionName(cmd.action));
1785
1786         bool argsadded = false;
1787
1788         if (!cmd.argument().empty()) {
1789                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1790                         comname += ' ' + cmd.argument();
1791                         argsadded = true;
1792                 }
1793         }
1794
1795         docstring const shortcuts = theTopLevelKeymap().printBindings(cmd, KeySequence::ForGui);
1796
1797         if (!shortcuts.empty())
1798                 comname += ": " + shortcuts;
1799         else if (!argsadded && !cmd.argument().empty())
1800                 comname += ' ' + cmd.argument();
1801
1802         if (!comname.empty()) {
1803                 comname = rtrim(comname);
1804                 dispatch_msg += '(' + rtrim(comname) + ')';
1805         }
1806
1807         LYXERR(Debug::ACTION, "verbose dispatch msg " << to_utf8(dispatch_msg));
1808         if (!dispatch_msg.empty())
1809                 lyx_view_->message(dispatch_msg);
1810 }
1811
1812
1813 void LyXFunc::reloadBuffer()
1814 {
1815         FileName filename = lyx_view_->buffer()->fileName();
1816         // The user has already confirmed that the changes, if any, should
1817         // be discarded. So we just release the Buffer and don't call closeBuffer();
1818         theBufferList().release(lyx_view_->buffer());
1819         // if the lyx_view_ has been destroyed, create a new one
1820         if (!lyx_view_)
1821                 theApp()->dispatch(FuncRequest(LFUN_WINDOW_NEW));
1822         Buffer * buf = lyx_view_->loadDocument(filename);
1823         docstring const disp_fn = makeDisplayPath(filename.absFilename());
1824         docstring str;
1825         if (buf) {
1826                 buf->updateLabels();
1827                 lyx_view_->setBuffer(buf);
1828                 buf->errors("Parse");
1829                 str = bformat(_("Document %1$s reloaded."), disp_fn);
1830         } else {
1831                 str = bformat(_("Could not reload document %1$s"), disp_fn);
1832         }
1833         lyx_view_->message(str);
1834 }
1835
1836 // Each "lyx_view_" should have it's own message method. lyxview and
1837 // the minibuffer would use the minibuffer, but lyxserver would
1838 // send an ERROR signal to its client.  Alejandro 970603
1839 // This function is bit problematic when it comes to NLS, to make the
1840 // lyx servers client be language indepenent we must not translate
1841 // strings sent to this func.
1842 void LyXFunc::setErrorMessage(docstring const & m) const
1843 {
1844         dispatch_buffer = m;
1845         errorstat = true;
1846 }
1847
1848
1849 void LyXFunc::setMessage(docstring const & m) const
1850 {
1851         dispatch_buffer = m;
1852 }
1853
1854
1855 docstring LyXFunc::viewStatusMessage()
1856 {
1857         // When meta-fake key is pressed, show the key sequence so far + "M-".
1858         if (wasMetaKey())
1859                 return keyseq.print(KeySequence::ForGui) + "M-";
1860
1861         // Else, when a non-complete key sequence is pressed,
1862         // show the available options.
1863         if (keyseq.length() > 0 && !keyseq.deleted())
1864                 return keyseq.printOptions(true);
1865
1866         LASSERT(lyx_view_, /**/);
1867         if (!lyx_view_->buffer())
1868                 return _("Welcome to LyX!");
1869
1870         return view()->cursor().currentState();
1871 }
1872
1873
1874 BufferView * LyXFunc::view() const
1875 {
1876         LASSERT(lyx_view_, /**/);
1877         return lyx_view_->view();
1878 }
1879
1880
1881 bool LyXFunc::wasMetaKey() const
1882 {
1883         return (meta_fake_bit != NoModifier);
1884 }
1885
1886
1887 void LyXFunc::updateLayout(DocumentClass const * const oldlayout, Buffer * buf)
1888 {
1889         lyx_view_->message(_("Converting document to new document class..."));
1890
1891         StableDocIterator backcur(view()->cursor());
1892         ErrorList & el = buf->errorList("Class Switch");
1893         cap::switchBetweenClasses(
1894                         oldlayout, buf->params().documentClassPtr(),
1895                         static_cast<InsetText &>(buf->inset()), el);
1896
1897         view()->setCursor(backcur.asDocIterator(buf));
1898
1899         buf->errors("Class Switch");
1900         buf->updateLabels();
1901 }
1902
1903
1904 namespace {
1905
1906 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
1907 {
1908         // Why the switch you might ask. It is a trick to ensure that all
1909         // the elements in the LyXRCTags enum is handled. As you can see
1910         // there are no breaks at all. So it is just a huge fall-through.
1911         // The nice thing is that we will get a warning from the compiler
1912         // if we forget an element.
1913         LyXRC::LyXRCTags tag = LyXRC::RC_LAST;
1914         switch (tag) {
1915         case LyXRC::RC_ACCEPT_COMPOUND:
1916         case LyXRC::RC_ALT_LANG:
1917         case LyXRC::RC_PLAINTEXT_LINELEN:
1918         case LyXRC::RC_PLAINTEXT_ROFF_COMMAND:
1919         case LyXRC::RC_AUTOCORRECTION_MATH:
1920         case LyXRC::RC_AUTOREGIONDELETE:
1921         case LyXRC::RC_AUTORESET_OPTIONS:
1922         case LyXRC::RC_AUTOSAVE:
1923         case LyXRC::RC_AUTO_NUMBER:
1924         case LyXRC::RC_BACKUPDIR_PATH:
1925         case LyXRC::RC_BIBTEX_COMMAND:
1926         case LyXRC::RC_BINDFILE:
1927         case LyXRC::RC_CHECKLASTFILES:
1928         case LyXRC::RC_COMPLETION_CURSOR_TEXT:
1929         case LyXRC::RC_COMPLETION_INLINE_DELAY:
1930         case LyXRC::RC_COMPLETION_INLINE_DOTS:
1931         case LyXRC::RC_COMPLETION_INLINE_MATH:
1932         case LyXRC::RC_COMPLETION_INLINE_TEXT:
1933         case LyXRC::RC_COMPLETION_POPUP_AFTER_COMPLETE:
1934         case LyXRC::RC_COMPLETION_POPUP_DELAY:
1935         case LyXRC::RC_COMPLETION_POPUP_MATH:
1936         case LyXRC::RC_COMPLETION_POPUP_TEXT:
1937         case LyXRC::RC_USELASTFILEPOS:
1938         case LyXRC::RC_LOADSESSION:
1939         case LyXRC::RC_CHKTEX_COMMAND:
1940         case LyXRC::RC_CONVERTER:
1941         case LyXRC::RC_CONVERTER_CACHE_MAXAGE:
1942         case LyXRC::RC_COPIER:
1943         case LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR:
1944         case LyXRC::RC_CUSTOM_EXPORT_COMMAND:
1945         case LyXRC::RC_CUSTOM_EXPORT_FORMAT:
1946         case LyXRC::RC_DATE_INSERT_FORMAT:
1947         case LyXRC::RC_DEFAULT_LANGUAGE:
1948         case LyXRC::RC_GUI_LANGUAGE:
1949         case LyXRC::RC_DEFAULT_PAPERSIZE:
1950         case LyXRC::RC_DEFFILE:
1951         case LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN:
1952         case LyXRC::RC_DISPLAY_GRAPHICS:
1953         case LyXRC::RC_DOCUMENTPATH:
1954                 if (lyxrc_orig.document_path != lyxrc_new.document_path) {
1955                         FileName path(lyxrc_new.document_path);
1956                         if (path.exists() && path.isDirectory())
1957                                 package().document_dir() = FileName(lyxrc.document_path);
1958                 }
1959         case LyXRC::RC_ESC_CHARS:
1960         case LyXRC::RC_EXAMPLEPATH:
1961         case LyXRC::RC_FONT_ENCODING:
1962         case LyXRC::RC_FORMAT:
1963         case LyXRC::RC_GROUP_LAYOUTS:
1964         case LyXRC::RC_INDEX_COMMAND:
1965         case LyXRC::RC_NOMENCL_COMMAND:
1966         case LyXRC::RC_INPUT:
1967         case LyXRC::RC_KBMAP:
1968         case LyXRC::RC_KBMAP_PRIMARY:
1969         case LyXRC::RC_KBMAP_SECONDARY:
1970         case LyXRC::RC_LABEL_INIT_LENGTH:
1971         case LyXRC::RC_LANGUAGE_AUTO_BEGIN:
1972         case LyXRC::RC_LANGUAGE_AUTO_END:
1973         case LyXRC::RC_LANGUAGE_COMMAND_BEGIN:
1974         case LyXRC::RC_LANGUAGE_COMMAND_END:
1975         case LyXRC::RC_LANGUAGE_COMMAND_LOCAL:
1976         case LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS:
1977         case LyXRC::RC_LANGUAGE_PACKAGE:
1978         case LyXRC::RC_LANGUAGE_USE_BABEL:
1979         case LyXRC::RC_MAC_LIKE_WORD_MOVEMENT:
1980         case LyXRC::RC_MACRO_EDIT_STYLE:
1981         case LyXRC::RC_MAKE_BACKUP:
1982         case LyXRC::RC_MARK_FOREIGN_LANGUAGE:
1983         case LyXRC::RC_MOUSE_WHEEL_SPEED:
1984         case LyXRC::RC_NUMLASTFILES:
1985         case LyXRC::RC_PATH_PREFIX:
1986                 if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
1987                         prependEnvPath("PATH", lyxrc.path_prefix);
1988                 }
1989         case LyXRC::RC_PERS_DICT:
1990         case LyXRC::RC_PREVIEW:
1991         case LyXRC::RC_PREVIEW_HASHED_LABELS:
1992         case LyXRC::RC_PREVIEW_SCALE_FACTOR:
1993         case LyXRC::RC_PRINTCOLLCOPIESFLAG:
1994         case LyXRC::RC_PRINTCOPIESFLAG:
1995         case LyXRC::RC_PRINTER:
1996         case LyXRC::RC_PRINTEVENPAGEFLAG:
1997         case LyXRC::RC_PRINTEXSTRAOPTIONS:
1998         case LyXRC::RC_PRINTFILEEXTENSION:
1999         case LyXRC::RC_PRINTLANDSCAPEFLAG:
2000         case LyXRC::RC_PRINTODDPAGEFLAG:
2001         case LyXRC::RC_PRINTPAGERANGEFLAG:
2002         case LyXRC::RC_PRINTPAPERDIMENSIONFLAG:
2003         case LyXRC::RC_PRINTPAPERFLAG:
2004         case LyXRC::RC_PRINTREVERSEFLAG:
2005         case LyXRC::RC_PRINTSPOOL_COMMAND:
2006         case LyXRC::RC_PRINTSPOOL_PRINTERPREFIX:
2007         case LyXRC::RC_PRINTTOFILE:
2008         case LyXRC::RC_PRINTTOPRINTER:
2009         case LyXRC::RC_PRINT_ADAPTOUTPUT:
2010         case LyXRC::RC_PRINT_COMMAND:
2011         case LyXRC::RC_RTL_SUPPORT:
2012         case LyXRC::RC_SCREEN_DPI:
2013         case LyXRC::RC_SCREEN_FONT_ROMAN:
2014         case LyXRC::RC_SCREEN_FONT_ROMAN_FOUNDRY:
2015         case LyXRC::RC_SCREEN_FONT_SANS:
2016         case LyXRC::RC_SCREEN_FONT_SANS_FOUNDRY:
2017         case LyXRC::RC_SCREEN_FONT_SCALABLE:
2018         case LyXRC::RC_SCREEN_FONT_SIZES:
2019         case LyXRC::RC_SCREEN_FONT_TYPEWRITER:
2020         case LyXRC::RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
2021         case LyXRC::RC_GEOMETRY_SESSION:
2022         case LyXRC::RC_SCREEN_ZOOM:
2023         case LyXRC::RC_SERVERPIPE:
2024         case LyXRC::RC_SET_COLOR:
2025         case LyXRC::RC_SHOW_BANNER:
2026         case LyXRC::RC_OPEN_BUFFERS_IN_TABS:
2027         case LyXRC::RC_SPELL_COMMAND:
2028         case LyXRC::RC_TEMPDIRPATH:
2029         case LyXRC::RC_TEMPLATEPATH:
2030         case LyXRC::RC_TEX_ALLOWS_SPACES:
2031         case LyXRC::RC_TEX_EXPECTS_WINDOWS_PATHS:
2032                 if (lyxrc_orig.windows_style_tex_paths != lyxrc_new.windows_style_tex_paths) {
2033                         os::windows_style_tex_paths(lyxrc_new.windows_style_tex_paths);
2034                 }
2035         case LyXRC::RC_THESAURUSDIRPATH:
2036         case LyXRC::RC_UIFILE:
2037         case LyXRC::RC_USER_EMAIL:
2038         case LyXRC::RC_USER_NAME:
2039         case LyXRC::RC_USETEMPDIR:
2040         case LyXRC::RC_USE_ALT_LANG:
2041         case LyXRC::RC_USE_CONVERTER_CACHE:
2042         case LyXRC::RC_USE_ESC_CHARS:
2043         case LyXRC::RC_USE_INP_ENC:
2044         case LyXRC::RC_USE_PERS_DICT:
2045         case LyXRC::RC_USE_TOOLTIP:
2046         case LyXRC::RC_USE_PIXMAP_CACHE:
2047         case LyXRC::RC_USE_SPELL_LIB:
2048         case LyXRC::RC_VIEWDVI_PAPEROPTION:
2049         case LyXRC::RC_SORT_LAYOUTS:
2050         case LyXRC::RC_FULL_SCREEN_LIMIT:
2051         case LyXRC::RC_FULL_SCREEN_SCROLLBAR:
2052         case LyXRC::RC_FULL_SCREEN_TABBAR:
2053         case LyXRC::RC_FULL_SCREEN_TOOLBARS:
2054         case LyXRC::RC_FULL_SCREEN_WIDTH:
2055         case LyXRC::RC_VISUAL_CURSOR:
2056         case LyXRC::RC_VIEWER:
2057         case LyXRC::RC_LAST:
2058                 break;
2059         }
2060 }
2061
2062 } // namespace anon
2063 } // namespace lyx