src/LyXFunc.cpp

   1 /**
   2  * \file LyXFunc.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  * \author Allan Rae
  13  * \author Dekel Tsur
  14  * \author Martin Vermeer
  15  * \author Jürgen Vigna
  16  *
  17  * Full author contact details are available in file CREDITS.
  18  */
  19
  20 #include <config.h>
  21
  22 #include "LyXFunc.h"
  23
  24 #include "LayoutFile.h"
  25 #include "BranchList.h"
  26 #include "buffer_funcs.h"
  27 #include "Buffer.h"
  28 #include "BufferList.h"
  29 #include "BufferParams.h"
  30 #include "BufferView.h"
  31 #include "CmdDef.h"
  32 #include "Color.h"
  33 #include "Converter.h"
  34 #include "Cursor.h"
  35 #include "CutAndPaste.h"
  36 #include "DispatchResult.h"
  37 #include "Encoding.h"
  38 #include "ErrorList.h"
  39 #include "Format.h"
  40 #include "FuncRequest.h"
  41 #include "FuncStatus.h"
  42 #include "InsetIterator.h"
  43 #include "Intl.h"
  44 #include "KeyMap.h"
  45 #include "Language.h"
  46 #include "Lexer.h"
  47 #include "LyXAction.h"
  48 #include "lyxfind.h"
  49 #include "LyX.h"
  50 #include "LyXRC.h"
  51 #include "LyXVC.h"
  52 #include "Paragraph.h"
  53 #include "ParagraphParameters.h"
  54 #include "ParIterator.h"
  55 #include "Row.h"
  56 #include "Server.h"
  57 #include "Session.h"
  58
  59 #include "insets/InsetBox.h"
  60 #include "insets/InsetBranch.h"
  61 #include "insets/InsetCommand.h"
  62 #include "insets/InsetERT.h"
  63 #include "insets/InsetExternal.h"
  64 #include "insets/InsetFloat.h"
  65 #include "insets/InsetListings.h"
  66 #include "insets/InsetGraphics.h"
  67 #include "insets/InsetInclude.h"
  68 #include "insets/InsetNote.h"
  69 #include "insets/InsetTabular.h"
  70 #include "insets/InsetVSpace.h"
  71 #include "insets/InsetWrap.h"
  72
  73 #include "frontends/alert.h"
  74 #include "frontends/Application.h"
  75 #include "frontends/KeySymbol.h"
  76 #include "frontends/LyXView.h"
  77 #include "frontends/Selection.h"
  78
  79 #include "support/debug.h"
  80 #include "support/environment.h"
  81 #include "support/FileName.h"
  82 #include "support/filetools.h"
  83 #include "support/gettext.h"
  84 #include "support/lstrings.h"
  85 #include "support/Path.h"
  86 #include "support/Package.h"
  87 #include "support/Systemcall.h"
  88 #include "support/convert.h"
  89 #include "support/os.h"
  90
  91 #include <sstream>
  92 #include <vector>
  93
  94 using namespace std;
  95 using namespace lyx::support;
  96
  97 namespace lyx {
  98
  99 using frontend::LyXView;
 100
 101 namespace Alert = frontend::Alert;
 102
 103 namespace {
 104
 105
 106 // This function runs "configure" and then rereads lyx.defaults to
 107 // reconfigure the automatic settings.
 108 void reconfigure(LyXView * lv, string const & option)
 109 {
 110         // emit message signal.
 111         if (lv)
 112                 lv->message(_("Running configure..."));
 113
 114         // Run configure in user lyx directory
 115         PathChanger p(package().user_support());
 116         string configure_command = package().configure_command();
 117         configure_command += option;
 118         Systemcall one;
 119         int ret = one.startscript(Systemcall::Wait, configure_command);
 120         p.pop();
 121         // emit message signal.
 122         if (lv)
 123                 lv->message(_("Reloading configuration..."));
 124         lyxrc.read(libFileSearch(string(), "lyxrc.defaults"));
 125         // Re-read packages.lst
 126         LaTeXFeatures::getAvailable();
 127
 128         if (ret)
 129                 Alert::information(_("System reconfiguration failed"),
 130                            _("The system reconfiguration has failed.\n"
 131                                   "Default textclass is used but LyX may "
 132                                   "not be able to work properly.\n"
 133                                   "Please reconfigure again if needed."));
 134         else
 135
 136                 Alert::information(_("System reconfigured"),
 137                            _("The system has been reconfigured.\n"
 138                              "You need to restart LyX to make use of any\n"
 139                              "updated document class specifications."));
 140 }
 141
 142
 143 bool getLocalStatus(Cursor cursor, FuncRequest const & cmd, FuncStatus & status)
 144 {
 145         // Try to fix cursor in case it is broken.
 146         cursor.fixIfBroken();
 147
 148         // This is, of course, a mess. Better create a new doc iterator and use
 149         // this in Inset::getStatus. This might require an additional
 150         // BufferView * arg, though (which should be avoided)
 151         //Cursor safe = *this;
 152         bool res = false;
 153         for ( ; cursor.depth(); cursor.pop()) {
 154                 //lyxerr << "\nCursor::getStatus: cmd: " << cmd << endl << *this << endl;
 155                 BOOST_ASSERT(cursor.idx() <= cursor.lastidx());
 156                 BOOST_ASSERT(cursor.pit() <= cursor.lastpit());
 157                 BOOST_ASSERT(cursor.pos() <= cursor.lastpos());
 158
 159                 // The inset's getStatus() will return 'true' if it made
 160                 // a definitive decision on whether it want to handle the
 161                 // request or not. The result of this decision is put into
 162                 // the 'status' parameter.
 163                 if (cursor.inset().getStatus(cursor, cmd, status)) {
 164                         res = true;
 165                         break;
 166                 }
 167         }
 168         return res;
 169 }
 170
 171
 172 /** Return the change status at cursor position, taking in account the
 173  * status at each level of the document iterator (a table in a deleted
 174  * footnote is deleted).
 175  * When \param outer is true, the top slice is not looked at.
 176  */
 177 Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
 178 {
 179         size_t const depth = dit.depth() - (outer ? 1 : 0);
 180
 181         for (size_t i = 0 ; i < depth ; ++i) {
 182                 CursorSlice const & slice = dit[i];
 183                 if (!slice.inset().inMathed()
 184                     && slice.pos() < slice.paragraph().size()) {
 185                         Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
 186                         if (ch != Change::UNCHANGED)
 187                                 return ch;
 188                 }
 189         }
 190         return Change::UNCHANGED;
 191 }
 192
 193 }
 194
 195
 196 LyXFunc::LyXFunc()
 197         : lyx_view_(0), encoded_last_key(0), meta_fake_bit(NoModifier)
 198 {
 199 }
 200
 201
 202 void LyXFunc::initKeySequences(KeyMap * kb)
 203 {
 204         keyseq = KeySequence(kb, kb);
 205         cancel_meta_seq = KeySequence(kb, kb);
 206 }
 207
 208
 209 void LyXFunc::setLyXView(LyXView * lv)
 210 {
 211         if (lyx_view_ && lyx_view_->view() && lyx_view_ != lv)
 212                 // save current selection to the selection buffer to allow
 213                 // middle-button paste in another window
 214                 cap::saveSelection(lyx_view_->view()->cursor());
 215         lyx_view_ = lv;
 216 }
 217
 218
 219 void LyXFunc::handleKeyFunc(kb_action action)
 220 {
 221         char_type c = encoded_last_key;
 222
 223         if (keyseq.length())
 224                 c = 0;
 225
 226         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
 227         lyx_view_->view()->getIntl().getTransManager().deadkey(
 228                 c, get_accent(action).accent, view()->cursor().innerText(), view()->cursor());
 229         // Need to clear, in case the minibuffer calls these
 230         // actions
 231         keyseq.clear();
 232         // copied verbatim from do_accent_char
 233         view()->cursor().resetAnchor();
 234         view()->processUpdateFlags(Update::FitCursor);
 235 }
 236
 237 //FIXME: bookmark handling is a frontend issue. This code should be transferred
 238 // to GuiView and be GuiView and be window dependent.
 239 void LyXFunc::gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer)
 240 {
 241         BOOST_ASSERT(lyx_view_);
 242         if (!LyX::ref().session().bookmarks().isValid(idx))
 243                 return;
 244         BookmarksSection::Bookmark const & bm = LyX::ref().session().bookmarks().bookmark(idx);
 245         BOOST_ASSERT(!bm.filename.empty());
 246         string const file = bm.filename.absFilename();
 247         // if the file is not opened, open it.
 248         if (!theBufferList().exists(file)) {
 249                 if (openFile)
 250                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
 251                 else
 252                         return;
 253         }
 254         // open may fail, so we need to test it again
 255         if (!theBufferList().exists(file))
 256                 return;
 257
 258         // if the current buffer is not that one, switch to it.
 259         if (lyx_view_->buffer()->absFileName() != file) {
 260                 if (!switchToBuffer)
 261                         return;
 262                 dispatch(FuncRequest(LFUN_BUFFER_SWITCH, file));
 263         }
 264         // moveToPosition try paragraph id first and then paragraph (pit, pos).
 265         if (!view()->moveToPosition(bm.bottom_pit, bm.bottom_pos,
 266                 bm.top_id, bm.top_pos))
 267                 return;
 268
 269         // Cursor jump succeeded!
 270         Cursor const & cur = view()->cursor();
 271         pit_type new_pit = cur.pit();
 272         pos_type new_pos = cur.pos();
 273         int new_id = cur.paragraph().id();
 274
 275         // if bottom_pit, bottom_pos or top_id has been changed, update bookmark
 276         // see http://bugzilla.lyx.org/show_bug.cgi?id=3092
 277         if (bm.bottom_pit != new_pit || bm.bottom_pos != new_pos
 278                 || bm.top_id != new_id) {
 279                 const_cast<BookmarksSection::Bookmark &>(bm).updatePos(
 280                         new_pit, new_pos, new_id);
 281         }
 282 }
 283
 284
 285 void LyXFunc::processKeySym(KeySymbol const & keysym, KeyModifier state)
 286 {
 287         LYXERR(Debug::KEY, "KeySym is " << keysym.getSymbolName());
 288
 289         // Do nothing if we have nothing (JMarc)
 290         if (!keysym.isOK()) {
 291                 LYXERR(Debug::KEY, "Empty kbd action (probably composing)");
 292                 lyx_view_->restartCursor();
 293                 return;
 294         }
 295
 296         if (keysym.isModifier()) {
 297                 LYXERR(Debug::KEY, "isModifier true");
 298                 if (lyx_view_)
 299                         lyx_view_->restartCursor();
 300                 return;
 301         }
 302
 303         //Encoding const * encoding = view()->cursor().getEncoding();
 304         //encoded_last_key = keysym.getISOEncoded(encoding ? encoding->name() : "");
 305         // FIXME: encoded_last_key shadows the member variable of the same
 306         // name. Is that intended?
 307         char_type encoded_last_key = keysym.getUCSEncoded();
 308
 309         // Do a one-deep top-level lookup for
 310         // cancel and meta-fake keys. RVDK_PATCH_5
 311         cancel_meta_seq.reset();
 312
 313         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 314         LYXERR(Debug::KEY, "action first set to [" << func.action << ']');
 315
 316         // When not cancel or meta-fake, do the normal lookup.
 317         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 318         // Mostly, meta_fake_bit = NoModifier. RVDK_PATCH_5.
 319         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_PREFIX)) {
 320                 // remove Caps Lock and Mod2 as a modifiers
 321                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 322                 LYXERR(Debug::KEY, "action now set to [" << func.action << ']');
 323         }
 324
 325         // Dont remove this unless you know what you are doing.
 326         meta_fake_bit = NoModifier;
 327
 328         // Can this happen now ?
 329         if (func.action == LFUN_NOACTION)
 330                 func = FuncRequest(LFUN_COMMAND_PREFIX);
 331
 332         LYXERR(Debug::KEY, " Key [action=" << func.action << "]["
 333                 << keyseq.print(KeySequence::Portable) << ']');
 334
 335         // already here we know if it any point in going further
 336         // why not return already here if action == -1 and
 337         // num_bytes == 0? (Lgb)
 338
 339         if (keyseq.length() > 1)
 340                 lyx_view_->message(keyseq.print(KeySequence::ForGui));
 341
 342
 343         // Maybe user can only reach the key via holding down shift.
 344         // Let's see. But only if shift is the only modifier
 345         if (func.action == LFUN_UNKNOWN_ACTION && state == ShiftModifier) {
 346                 LYXERR(Debug::KEY, "Trying without shift");
 347                 func = keyseq.addkey(keysym, NoModifier);
 348                 LYXERR(Debug::KEY, "Action now " << func.action);
 349         }
 350
 351         if (func.action == LFUN_UNKNOWN_ACTION) {
 352                 // Hmm, we didn't match any of the keysequences. See
 353                 // if it's normal insertable text not already covered
 354                 // by a binding
 355                 if (keysym.isText() && keyseq.length() == 1) {
 356                         LYXERR(Debug::KEY, "isText() is true, inserting.");
 357                         func = FuncRequest(LFUN_SELF_INSERT,
 358                                            FuncRequest::KEYBOARD);
 359                 } else {
 360                         LYXERR(Debug::KEY, "Unknown, !isText() - giving up");
 361                         lyx_view_->message(_("Unknown function."));
 362                         lyx_view_->restartCursor();
 363                         return;
 364                 }
 365         }
 366
 367         if (func.action == LFUN_SELF_INSERT) {
 368                 if (encoded_last_key != 0) {
 369                         docstring const arg(1, encoded_last_key);
 370                         dispatch(FuncRequest(LFUN_SELF_INSERT, arg,
 371                                              FuncRequest::KEYBOARD));
 372                         LYXERR(Debug::KEY, "SelfInsert arg[`" << to_utf8(arg) << "']");
 373                 }
 374         } else {
 375                 dispatch(func);
 376                 if (!lyx_view_)
 377                         return;
 378         }
 379
 380         if (lyx_view_)
 381                 lyx_view_->restartCursor();
 382 }
 383
 384
 385 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 386 {
 387         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
 388         FuncStatus flag;
 389
 390         Buffer * buf = lyx_view_ ? lyx_view_->buffer() : 0;
 391
 392         if (cmd.action == LFUN_NOACTION) {
 393                 flag.message(from_utf8(N_("Nothing to do")));
 394                 flag.enabled(false);
 395                 return flag;
 396         }
 397
 398         switch (cmd.action) {
 399         case LFUN_UNKNOWN_ACTION:
 400 #ifndef HAVE_LIBAIKSAURUS
 401         case LFUN_THESAURUS_ENTRY:
 402 #endif
 403                 flag.unknown(true);
 404                 flag.enabled(false);
 405                 break;
 406
 407         default:
 408                 break;
 409         }
 410
 411         if (flag.unknown()) {
 412                 flag.message(from_utf8(N_("Unknown action")));
 413                 return flag;
 414         }
 415
 416         if (!flag.enabled()) {
 417                 if (flag.message().empty())
 418                         flag.message(from_utf8(N_("Command disabled")));
 419                 return flag;
 420         }
 421
 422         // Check whether we need a buffer
 423         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 424                 // no, exit directly
 425                 flag.message(from_utf8(N_("Command not allowed with"
 426                                     "out any document open")));
 427                 flag.enabled(false);
 428                 return flag;
 429         }
 430
 431         // I would really like to avoid having this switch and rather try to
 432         // encode this in the function itself.
 433         // -- And I'd rather let an inset decide which LFUNs it is willing
 434         // to handle (Andre')
 435         bool enable = true;
 436         switch (cmd.action) {
 437
 438         // FIXME: these cases should be hidden in GuiApplication::getStatus().
 439         case LFUN_WINDOW_CLOSE:
 440                 if (theApp())
 441                         return theApp()->getStatus(cmd);
 442                 enable = false;
 443                 break;
 444
 445         // FIXME: these cases should be hidden in GuiView::getStatus().
 446         case LFUN_DIALOG_TOGGLE:
 447         case LFUN_DIALOG_SHOW:
 448         case LFUN_DIALOG_UPDATE:
 449                 if (cmd.argument() == "prefs"
 450                     || cmd.argument() == "aboutlyx")
 451                         enable = true;
 452                 else if (lyx_view_)
 453                         return lyx_view_->getStatus(cmd);
 454                 else
 455                         enable = false;
 456                 break;
 457
 458         case LFUN_TOOLBAR_TOGGLE:
 459         case LFUN_INSET_APPLY:
 460         case LFUN_BUFFER_WRITE:
 461         case LFUN_BUFFER_WRITE_AS:
 462         case LFUN_SPLIT_VIEW:
 463         case LFUN_CLOSE_TAB_GROUP:
 464         case LFUN_COMPLETION_POPUP:
 465         case LFUN_COMPLETION_INLINE:
 466         case LFUN_COMPLETION_COMPLETE:
 467                 if (lyx_view_)
 468                         return lyx_view_->getStatus(cmd);
 469                 enable = false;
 470                 break;
 471
 472         case LFUN_BUFFER_TOGGLE_READ_ONLY:
 473                 flag.setOnOff(buf->isReadonly());
 474                 break;
 475
 476         case LFUN_BUFFER_SWITCH:
 477                 // toggle on the current buffer, but do not toggle off
 478                 // the other ones (is that a good idea?)
 479                 if (buf && to_utf8(cmd.argument()) == buf->absFileName())
 480                         flag.setOnOff(true);
 481                 break;
 482
 483         case LFUN_BUFFER_EXPORT:
 484                 enable = cmd.argument() == "custom"
 485                         || buf->isExportable(to_utf8(cmd.argument()));
 486                 break;
 487
 488         case LFUN_BUFFER_CHKTEX:
 489                 enable = buf->isLatex() && !lyxrc.chktex_command.empty();
 490                 break;
 491
 492         case LFUN_BUILD_PROGRAM:
 493                 enable = buf->isExportable("program");
 494                 break;
 495
 496         case LFUN_VC_REGISTER:
 497                 enable = !buf->lyxvc().inUse();
 498                 break;
 499         case LFUN_VC_CHECK_IN:
 500                 enable = buf->lyxvc().inUse() && !buf->isReadonly();
 501                 break;
 502         case LFUN_VC_CHECK_OUT:
 503                 enable = buf->lyxvc().inUse() && buf->isReadonly();
 504                 break;
 505         case LFUN_VC_REVERT:
 506         case LFUN_VC_UNDO_LAST:
 507                 enable = buf->lyxvc().inUse();
 508                 break;
 509         case LFUN_BUFFER_RELOAD:
 510                 enable = !buf->isUnnamed() && buf->fileName().exists()
 511                         && (!buf->isClean() || buf->isExternallyModified(Buffer::timestamp_method));
 512                 break;
 513
 514         case LFUN_CITATION_INSERT: {
 515                 FuncRequest fr(LFUN_INSET_INSERT, "citation");
 516                 enable = getStatus(fr).enabled();
 517                 break;
 518         }
 519
 520         // This could be used for the no-GUI version. The GUI version is handled in
 521         // LyXView::getStatus(). See above.
 522         /*
 523         case LFUN_BUFFER_WRITE:
 524         case LFUN_BUFFER_WRITE_AS: {
 525                 Buffer * b = theBufferList().getBuffer(cmd.getArg(0));
 526                 enable = b && (b->isUnnamed() || !b->isClean());
 527                 break;
 528         }
 529         */
 530
 531         case LFUN_BUFFER_WRITE_ALL: {
 532                 // We enable the command only if there are some modified buffers
 533                 Buffer * first = theBufferList().first();
 534                 enable = false;
 535                 if (!first)
 536                         break;
 537                 Buffer * b = first;
 538                 // We cannot use a for loop as the buffer list is a cycle.
 539                 do {
 540                         if (!b->isClean()) {
 541                                 enable = true;
 542                                 break;
 543                         }
 544                         b = theBufferList().next(b);
 545                 } while (b != first);
 546                 break;
 547         }
 548
 549         case LFUN_BOOKMARK_GOTO: {
 550                 const unsigned int num = convert<unsigned int>(to_utf8(cmd.argument()));
 551                 enable = LyX::ref().session().bookmarks().isValid(num);
 552                 break;
 553         }
 554
 555         case LFUN_BOOKMARK_CLEAR:
 556                 enable = LyX::ref().session().bookmarks().size() > 0;
 557                 break;
 558
 559         // this one is difficult to get right. As a half-baked
 560         // solution, we consider only the first action of the sequence
 561         case LFUN_COMMAND_SEQUENCE: {
 562                 // argument contains ';'-terminated commands
 563                 string const firstcmd = token(to_utf8(cmd.argument()), ';', 0);
 564                 FuncRequest func(lyxaction.lookupFunc(firstcmd));
 565                 func.origin = cmd.origin;
 566                 flag = getStatus(func);
 567                 break;
 568         }
 569
 570         case LFUN_CALL: {
 571                 FuncRequest func;
 572                 string name = to_utf8(cmd.argument());
 573                 if (LyX::ref().topLevelCmdDef().lock(name, func)) {
 574                         func.origin = cmd.origin;
 575                         flag = getStatus(func);
 576                         LyX::ref().topLevelCmdDef().release(name);
 577                 } else {
 578                         // catch recursion or unknown command definiton
 579                         // all operations until the recursion or unknown command
 580                         // definiton occures are performed, so set the state to enabled
 581                         enable = true;
 582                 }
 583                 break;
 584         }
 585
 586         case LFUN_BUFFER_NEW:
 587         case LFUN_BUFFER_NEW_TEMPLATE:
 588         case LFUN_WORD_FIND_FORWARD:
 589         case LFUN_WORD_FIND_BACKWARD:
 590         case LFUN_COMMAND_PREFIX:
 591         case LFUN_COMMAND_EXECUTE:
 592         case LFUN_CANCEL:
 593         case LFUN_META_PREFIX:
 594         case LFUN_BUFFER_CLOSE:
 595         case LFUN_BUFFER_UPDATE:
 596         case LFUN_BUFFER_VIEW:
 597         case LFUN_MASTER_BUFFER_UPDATE:
 598         case LFUN_MASTER_BUFFER_VIEW:
 599         case LFUN_BUFFER_IMPORT:
 600         case LFUN_BUFFER_AUTO_SAVE:
 601         case LFUN_RECONFIGURE:
 602         case LFUN_HELP_OPEN:
 603         case LFUN_FILE_OPEN:
 604         case LFUN_DROP_LAYOUTS_CHOICE:
 605         case LFUN_MENU_OPEN:
 606         case LFUN_SERVER_GET_NAME:
 607         case LFUN_SERVER_NOTIFY:
 608         case LFUN_SERVER_GOTO_FILE_ROW:
 609         case LFUN_DIALOG_HIDE:
 610         case LFUN_DIALOG_DISCONNECT_INSET:
 611         case LFUN_BUFFER_CHILD_OPEN:
 612         case LFUN_UI_TOGGLE:
 613         case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
 614         case LFUN_KEYMAP_OFF:
 615         case LFUN_KEYMAP_PRIMARY:
 616         case LFUN_KEYMAP_SECONDARY:
 617         case LFUN_KEYMAP_TOGGLE:
 618         case LFUN_REPEAT:
 619         case LFUN_BUFFER_EXPORT_CUSTOM:
 620         case LFUN_BUFFER_PRINT:
 621         case LFUN_PREFERENCES_SAVE:
 622         case LFUN_SCREEN_FONT_UPDATE:
 623         case LFUN_SET_COLOR:
 624         case LFUN_MESSAGE:
 625         case LFUN_EXTERNAL_EDIT:
 626         case LFUN_GRAPHICS_EDIT:
 627         case LFUN_ALL_INSETS_TOGGLE:
 628         case LFUN_BUFFER_LANGUAGE:
 629         case LFUN_TEXTCLASS_APPLY:
 630         case LFUN_TEXTCLASS_LOAD:
 631         case LFUN_BUFFER_SAVE_AS_DEFAULT:
 632         case LFUN_BUFFER_PARAMS_APPLY:
 633         case LFUN_LAYOUT_MODULES_CLEAR:
 634         case LFUN_LAYOUT_MODULE_ADD:
 635         case LFUN_LAYOUT_RELOAD:
 636         case LFUN_LYXRC_APPLY:
 637         case LFUN_BUFFER_NEXT:
 638         case LFUN_BUFFER_PREVIOUS:
 639         case LFUN_WINDOW_NEW:
 640         case LFUN_LYX_QUIT:
 641                 // these are handled in our dispatch()
 642                 break;
 643
 644         default:
 645                 if (!view()) {
 646                         enable = false;
 647                         break;
 648                 }
 649                 if (!getLocalStatus(view()->cursor(), cmd, flag))
 650                         flag = view()->getStatus(cmd);
 651         }
 652
 653         if (!enable)
 654                 flag.enabled(false);
 655
 656         // Can we use a readonly buffer?
 657         if (buf && buf->isReadonly()
 658             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 659             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 660                 flag.message(from_utf8(N_("Document is read-only")));
 661                 flag.enabled(false);
 662         }
 663
 664         // Are we in a DELETED change-tracking region?
 665         if (buf && view()
 666                 && lookupChangeType(view()->cursor(), true) == Change::DELETED
 667             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 668             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 669                 flag.message(from_utf8(N_("This portion of the document is deleted.")));
 670                 flag.enabled(false);
 671         }
 672
 673         // the default error message if we disable the command
 674         if (!flag.enabled() && flag.message().empty())
 675                 flag.message(from_utf8(N_("Command disabled")));
 676
 677         return flag;
 678 }
 679
 680
 681 bool LyXFunc::ensureBufferClean(BufferView * bv)
 682 {
 683         Buffer & buf = bv->buffer();
 684         if (buf.isClean())
 685                 return true;
 686
 687         docstring const file = buf.fileName().displayName(30);
 688         docstring text = bformat(_("The document %1$s has unsaved "
 689                                              "changes.\n\nDo you want to save "
 690                                              "the document?"), file);
 691         int const ret = Alert::prompt(_("Save changed document?"),
 692                                       text, 0, 1, _("&Save"),
 693                                       _("&Cancel"));
 694
 695         if (ret == 0)
 696                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
 697
 698         return buf.isClean();
 699 }
 700
 701
 702 namespace {
 703
 704 void showPrintError(string const & name)
 705 {
 706         docstring str = bformat(_("Could not print the document %1$s.\n"
 707                                             "Check that your printer is set up correctly."),
 708                              makeDisplayPath(name, 50));
 709         Alert::error(_("Print document failed"), str);
 710 }
 711
 712
 713 bool loadLayoutFile(string const & name, string const & buf_path)
 714 {
 715         if (!LayoutFileList::get().haveClass(name)) {
 716                 lyxerr << "Document class \"" << name
 717                        << "\" does not exist."
 718                        << endl;
 719                 return false;
 720         }
 721
 722         LayoutFile & tc = LayoutFileList::get()[name];
 723         if (!tc.load(buf_path)) {
 724                 docstring s = bformat(_("The document class %1$s."
 725                                    "could not be loaded."), from_utf8(name));
 726                 Alert::error(_("Could not load class"), s);
 727                 return false;
 728         }
 729         return true;
 730 }
 731
 732
 733 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new);
 734
 735 } //namespace anon
 736
 737
 738 void LyXFunc::dispatch(FuncRequest const & cmd)
 739 {
 740         string const argument = to_utf8(cmd.argument());
 741         kb_action const action = cmd.action;
 742
 743         LYXERR(Debug::ACTION, "\nLyXFunc::dispatch: cmd: " << cmd);
 744         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 745
 746         // we have not done anything wrong yet.
 747         errorstat = false;
 748         dispatch_buffer.erase();
 749
 750         // redraw the screen at the end (first of the two drawing steps).
 751         //This is done unless explicitely requested otherwise
 752         Update::flags updateFlags = Update::FitCursor;
 753
 754         FuncStatus const flag = getStatus(cmd);
 755         if (!flag.enabled()) {
 756                 // We cannot use this function here
 757                 LYXERR(Debug::ACTION, "LyXFunc::dispatch: "
 758                        << lyxaction.getActionName(action)
 759                        << " [" << action << "] is disabled at this location");
 760                 setErrorMessage(flag.message());
 761         } else {
 762                 switch (action) {
 763
 764                 case LFUN_WORD_FIND_FORWARD:
 765                 case LFUN_WORD_FIND_BACKWARD: {
 766                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
 767                         static docstring last_search;
 768                         docstring searched_string;
 769
 770                         if (!cmd.argument().empty()) {
 771                                 last_search = cmd.argument();
 772                                 searched_string = cmd.argument();
 773                         } else {
 774                                 searched_string = last_search;
 775                         }
 776
 777                         if (searched_string.empty())
 778                                 break;
 779
 780                         bool const fw = action == LFUN_WORD_FIND_FORWARD;
 781                         docstring const data =
 782                                 find2string(searched_string, true, false, fw);
 783                         find(view(), FuncRequest(LFUN_WORD_FIND, data));
 784                         break;
 785                 }
 786
 787                 case LFUN_COMMAND_PREFIX:
 788                         BOOST_ASSERT(lyx_view_);
 789                         lyx_view_->message(keyseq.printOptions(true));
 790                         break;
 791
 792                 case LFUN_CANCEL:
 793                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
 794                         keyseq.reset();
 795                         meta_fake_bit = NoModifier;
 796                         if (lyx_view_->buffer())
 797                                 // cancel any selection
 798                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 799                         setMessage(from_ascii(N_("Cancel")));
 800                         break;
 801
 802                 case LFUN_META_PREFIX:
 803                         meta_fake_bit = AltModifier;
 804                         setMessage(keyseq.print(KeySequence::ForGui));
 805                         break;
 806
 807                 case LFUN_BUFFER_TOGGLE_READ_ONLY: {
 808                         BOOST_ASSERT(lyx_view_ && lyx_view_->view() && lyx_view_->buffer());
 809                         Buffer * buf = lyx_view_->buffer();
 810                         if (buf->lyxvc().inUse())
 811                                 buf->lyxvc().toggleReadOnly();
 812                         else
 813                                 buf->setReadonly(!lyx_view_->buffer()->isReadonly());
 814                         break;
 815                 }
 816
 817                 // --- Menus -----------------------------------------------
 818                 case LFUN_BUFFER_CLOSE:
 819                         lyx_view_->closeBuffer();
 820                         updateFlags = Update::None;
 821                         break;
 822
 823                 case LFUN_BUFFER_RELOAD: {
 824                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 825                         docstring const file = makeDisplayPath(lyx_view_->buffer()->absFileName(), 20);
 826                         docstring text = bformat(_("Any changes will be lost. Are you sure "
 827                                                              "you want to revert to the saved version of the document %1$s?"), file);
 828                         int const ret = Alert::prompt(_("Revert to saved document?"),
 829                                 text, 1, 1, _("&Revert"), _("&Cancel"));
 830
 831                         if (ret == 0)
 832                                 reloadBuffer();
 833                         break;
 834                 }
 835
 836                 case LFUN_BUFFER_UPDATE:
 837                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 838                         lyx_view_->buffer()->doExport(argument, true);
 839                         break;
 840
 841                 case LFUN_BUFFER_VIEW:
 842                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 843                         lyx_view_->buffer()->preview(argument);
 844                         break;
 845
 846                 case LFUN_MASTER_BUFFER_UPDATE:
 847                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer() && lyx_view_->buffer()->masterBuffer());
 848                         lyx_view_->buffer()->masterBuffer()->doExport(argument, true);
 849                         break;
 850
 851                 case LFUN_MASTER_BUFFER_VIEW:
 852                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer() && lyx_view_->buffer()->masterBuffer());
 853                         lyx_view_->buffer()->masterBuffer()->preview(argument);
 854                         break;
 855
 856                 case LFUN_BUILD_PROGRAM:
 857                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 858                         lyx_view_->buffer()->doExport("program", true);
 859                         break;
 860
 861                 case LFUN_BUFFER_CHKTEX:
 862                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 863                         lyx_view_->buffer()->runChktex();
 864                         break;
 865
 866                 case LFUN_BUFFER_EXPORT:
 867                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 868                         if (argument == "custom")
 869                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"));
 870                         else
 871                                 lyx_view_->buffer()->doExport(argument, false);
 872                         break;
 873
 874                 case LFUN_BUFFER_EXPORT_CUSTOM: {
 875                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 876                         string format_name;
 877                         string command = split(argument, format_name, ' ');
 878                         Format const * format = formats.getFormat(format_name);
 879                         if (!format) {
 880                                 lyxerr << "Format \"" << format_name
 881                                        << "\" not recognized!"
 882                                        << endl;
 883                                 break;
 884                         }
 885
 886                         Buffer * buffer = lyx_view_->buffer();
 887
 888                         // The name of the file created by the conversion process
 889                         string filename;
 890
 891                         // Output to filename
 892                         if (format->name() == "lyx") {
 893                                 string const latexname = buffer->latexName(false);
 894                                 filename = changeExtension(latexname,
 895                                                            format->extension());
 896                                 filename = addName(buffer->temppath(), filename);
 897
 898                                 if (!buffer->writeFile(FileName(filename)))
 899                                         break;
 900
 901                         } else {
 902                                 buffer->doExport(format_name, true, filename);
 903                         }
 904
 905                         // Substitute $$FName for filename
 906                         if (!contains(command, "$$FName"))
 907                                 command = "( " + command + " ) < $$FName";
 908                         command = subst(command, "$$FName", filename);
 909
 910                         // Execute the command in the background
 911                         Systemcall call;
 912                         call.startscript(Systemcall::DontWait, command);
 913                         break;
 914                 }
 915
 916                 case LFUN_BUFFER_PRINT: {
 917                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 918                         // FIXME: cmd.getArg() might fail if one of the arguments
 919                         // contains double quotes
 920                         string target = cmd.getArg(0);
 921                         string target_name = cmd.getArg(1);
 922                         string command = cmd.getArg(2);
 923
 924                         if (target.empty()
 925                             || target_name.empty()
 926                             || command.empty()) {
 927                                 lyxerr << "Unable to parse \""
 928                                        << argument << '"' << endl;
 929                                 break;
 930                         }
 931                         if (target != "printer" && target != "file") {
 932                                 lyxerr << "Unrecognized target \""
 933                                        << target << '"' << endl;
 934                                 break;
 935                         }
 936
 937                         Buffer * buffer = lyx_view_->buffer();
 938
 939                         if (!buffer->doExport("dvi", true)) {
 940                                 showPrintError(buffer->absFileName());
 941                                 break;
 942                         }
 943
 944                         // Push directory path.
 945                         string const path = buffer->temppath();
 946                         // Prevent the compiler from optimizing away p
 947                         FileName pp(path);
 948                         PathChanger p(pp);
 949
 950                         // there are three cases here:
 951                         // 1. we print to a file
 952                         // 2. we print directly to a printer
 953                         // 3. we print using a spool command (print to file first)
 954                         Systemcall one;
 955                         int res = 0;
 956                         string const dviname =
 957                                 changeExtension(buffer->latexName(true), "dvi");
 958
 959                         if (target == "printer") {
 960                                 if (!lyxrc.print_spool_command.empty()) {
 961                                         // case 3: print using a spool
 962                                         string const psname =
 963                                                 changeExtension(dviname,".ps");
 964                                         command += ' ' + lyxrc.print_to_file
 965                                                 + quoteName(psname)
 966                                                 + ' '
 967                                                 + quoteName(dviname);
 968
 969                                         string command2 =
 970                                                 lyxrc.print_spool_command + ' ';
 971                                         if (target_name != "default") {
 972                                                 command2 += lyxrc.print_spool_printerprefix
 973                                                         + target_name
 974                                                         + ' ';
 975                                         }
 976                                         command2 += quoteName(psname);
 977                                         // First run dvips.
 978                                         // If successful, then spool command
 979                                         res = one.startscript(
 980                                                 Systemcall::Wait,
 981                                                 command);
 982
 983                                         if (res == 0)
 984                                                 res = one.startscript(
 985                                                         Systemcall::DontWait,
 986                                                         command2);
 987                                 } else {
 988                                         // case 2: print directly to a printer
 989                                         if (target_name != "default")
 990                                                 command += ' ' + lyxrc.print_to_printer + target_name + ' ';
 991                                         res = one.startscript(
 992                                                 Systemcall::DontWait,
 993                                                 command + quoteName(dviname));
 994                                 }
 995
 996                         } else {
 997                                 // case 1: print to a file
 998                                 FileName const filename(makeAbsPath(target_name,
 999                                                         lyx_view_->buffer()->filePath()));
1000                                 FileName const dvifile(makeAbsPath(dviname, path));
1001                                 if (filename.exists()) {
1002                                         docstring text = bformat(
1003                                                 _("The file %1$s already exists.\n\n"
1004                                                   "Do you want to overwrite that file?"),
1005                                                 makeDisplayPath(filename.absFilename()));
1006                                         if (Alert::prompt(_("Overwrite file?"),
1007                                             text, 0, 1, _("&Overwrite"), _("&Cancel")) != 0)
1008                                                 break;
1009                                 }
1010                                 command += ' ' + lyxrc.print_to_file
1011                                         + quoteName(filename.toFilesystemEncoding())
1012                                         + ' '
1013                                         + quoteName(dvifile.toFilesystemEncoding());
1014                                 res = one.startscript(Systemcall::DontWait,
1015                                                       command);
1016                         }
1017
1018                         if (res != 0)
1019                                 showPrintError(buffer->absFileName());
1020                         break;
1021                 }
1022
1023                 // FIXME: There is need for a command-line import.
1024                 /*
1025                 case LFUN_BUFFER_IMPORT:
1026                         doImport(argument);
1027                         break;
1028                 */
1029
1030                 case LFUN_BUFFER_AUTO_SAVE:
1031                         lyx_view_->buffer()->autoSave();
1032                         break;
1033
1034                 case LFUN_RECONFIGURE:
1035                         // argument is any additional parameter to the configure.py command
1036                         reconfigure(lyx_view_, argument);
1037                         break;
1038
1039                 case LFUN_HELP_OPEN: {
1040                         BOOST_ASSERT(lyx_view_);
1041                         string const arg = argument;
1042                         if (arg.empty()) {
1043                                 setErrorMessage(from_ascii(N_("Missing argument")));
1044                                 break;
1045                         }
1046                         FileName const fname = i18nLibFileSearch("doc", arg, "lyx");
1047                         if (fname.empty()) {
1048                                 lyxerr << "LyX: unable to find documentation file `"
1049                                                          << arg << "'. Bad installation?" << endl;
1050                                 break;
1051                         }
1052                         lyx_view_->message(bformat(_("Opening help file %1$s..."),
1053                                 makeDisplayPath(fname.absFilename())));
1054                         Buffer * buf = lyx_view_->loadDocument(fname, false);
1055                         if (buf) {
1056                                 updateLabels(*buf);
1057                                 lyx_view_->setBuffer(buf);
1058                                 buf->errors("Parse");
1059                         }
1060                         updateFlags = Update::None;
1061                         break;
1062                 }
1063
1064                 // --- version control -------------------------------
1065                 case LFUN_VC_REGISTER:
1066                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1067                         if (!ensureBufferClean(view()))
1068                                 break;
1069                         if (!lyx_view_->buffer()->lyxvc().inUse()) {
1070                                 lyx_view_->buffer()->lyxvc().registrer();
1071                                 reloadBuffer();
1072                         }
1073                         updateFlags = Update::Force;
1074                         break;
1075
1076                 case LFUN_VC_CHECK_IN:
1077                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1078                         if (!ensureBufferClean(view()))
1079                                 break;
1080                         if (lyx_view_->buffer()->lyxvc().inUse()
1081                                         && !lyx_view_->buffer()->isReadonly()) {
1082                                 lyx_view_->buffer()->lyxvc().checkIn();
1083                                 reloadBuffer();
1084                         }
1085                         break;
1086
1087                 case LFUN_VC_CHECK_OUT:
1088                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1089                         if (!ensureBufferClean(view()))
1090                                 break;
1091                         if (lyx_view_->buffer()->lyxvc().inUse()
1092                                         && lyx_view_->buffer()->isReadonly()) {
1093                                 lyx_view_->buffer()->lyxvc().checkOut();
1094                                 reloadBuffer();
1095                         }
1096                         break;
1097
1098                 case LFUN_VC_REVERT:
1099                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1100                         lyx_view_->buffer()->lyxvc().revert();
1101                         reloadBuffer();
1102                         break;
1103
1104                 case LFUN_VC_UNDO_LAST:
1105                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1106                         lyx_view_->buffer()->lyxvc().undoLast();
1107                         reloadBuffer();
1108                         break;
1109
1110                 // --- lyxserver commands ----------------------------
1111                 case LFUN_SERVER_GET_NAME:
1112                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1113                         setMessage(from_utf8(lyx_view_->buffer()->absFileName()));
1114                         LYXERR(Debug::INFO, "FNAME["
1115                                 << lyx_view_->buffer()->absFileName() << ']');
1116                         break;
1117
1118                 case LFUN_SERVER_NOTIFY:
1119                         dispatch_buffer = keyseq.print(KeySequence::Portable);
1120                         theServer().notifyClient(to_utf8(dispatch_buffer));
1121                         break;
1122
1123                 case LFUN_SERVER_GOTO_FILE_ROW: {
1124                         BOOST_ASSERT(lyx_view_);
1125                         string file_name;
1126                         int row;
1127                         istringstream is(argument);
1128                         is >> file_name >> row;
1129                         Buffer * buf = 0;
1130                         bool loaded = false;
1131                         if (prefixIs(file_name, package().temp_dir().absFilename()))
1132                                 // Needed by inverse dvi search. If it is a file
1133                                 // in tmpdir, call the apropriated function
1134                                 buf = theBufferList().getBufferFromTmp(file_name);
1135                         else {
1136                                 // Must replace extension of the file to be .lyx
1137                                 // and get full path
1138                                 FileName const s = fileSearch(string(), changeExtension(file_name, ".lyx"), "lyx");
1139                                 // Either change buffer or load the file
1140                                 if (theBufferList().exists(s.absFilename()))
1141                                         buf = theBufferList().getBuffer(s.absFilename());
1142                                 else {
1143                                         buf = lyx_view_->loadDocument(s);
1144                                         loaded = true;
1145                                 }
1146                         }
1147
1148                         if (!buf) {
1149                                 updateFlags = Update::None;
1150                                 break;
1151                         }
1152
1153                         updateLabels(*buf);
1154                         lyx_view_->setBuffer(buf);
1155                         view()->setCursorFromRow(row);
1156                         if (loaded)
1157                                 buf->errors("Parse");
1158                         updateFlags = Update::FitCursor;
1159                         break;
1160                 }
1161
1162
1163                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1164                         BOOST_ASSERT(lyx_view_);
1165                         string const name = cmd.getArg(0);
1166                         InsetCode code = insetCode(name);
1167                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1168                         bool insetCodeOK = true;
1169                         switch (code) {
1170                         case BIBITEM_CODE:
1171                         case BIBTEX_CODE:
1172                         case INDEX_CODE:
1173                         case LABEL_CODE:
1174                         case NOMENCL_CODE:
1175                         case REF_CODE:
1176                         case TOC_CODE:
1177                         case HYPERLINK_CODE: {
1178                                 InsetCommandParams p(code);
1179                                 data = InsetCommandMailer::params2string(name, p);
1180                                 break;
1181                         }
1182                         case INCLUDE_CODE: {
1183                                 // data is the include type: one of "include",
1184                                 // "input", "verbatiminput" or "verbatiminput*"
1185                                 if (data.empty())
1186                                         // default type is requested
1187                                         data = "include";
1188                                 InsetCommandParams p(INCLUDE_CODE, data);
1189                                 data = InsetCommandMailer::params2string("include", p);
1190                                 break;
1191                         }
1192                         case BOX_CODE: {
1193                                 // \c data == "Boxed" || "Frameless" etc
1194                                 InsetBoxParams p(data);
1195                                 data = InsetBoxMailer::params2string(p);
1196                                 break;
1197                         }
1198                         case BRANCH_CODE: {
1199                                 InsetBranchParams p;
1200                                 data = InsetBranchMailer::params2string(p);
1201                                 break;
1202                         }
1203                         case CITE_CODE: {
1204                                 InsetCommandParams p(CITE_CODE);
1205                                 data = InsetCommandMailer::params2string(name, p);
1206                                 break;
1207                         }
1208                         case ERT_CODE: {
1209                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1210                                 break;
1211                         }
1212                         case EXTERNAL_CODE: {
1213                                 InsetExternalParams p;
1214                                 Buffer const & buffer = *lyx_view_->buffer();
1215                                 data = InsetExternalMailer::params2string(p, buffer);
1216                                 break;
1217                         }
1218                         case FLOAT_CODE:  {
1219                                 InsetFloatParams p;
1220                                 data = InsetFloatMailer::params2string(p);
1221                                 break;
1222                         }
1223                         case LISTINGS_CODE: {
1224                                 InsetListingsParams p;
1225                                 data = InsetListingsMailer::params2string(p);
1226                                 break;
1227                         }
1228                         case GRAPHICS_CODE: {
1229                                 InsetGraphicsParams p;
1230                                 Buffer const & buffer = *lyx_view_->buffer();
1231                                 data = InsetGraphicsMailer::params2string(p, buffer);
1232                                 break;
1233                         }
1234                         case NOTE_CODE: {
1235                                 InsetNoteParams p;
1236                                 data = InsetNoteMailer::params2string(p);
1237                                 break;
1238                         }
1239                         case VSPACE_CODE: {
1240                                 VSpace space;
1241                                 data = InsetVSpaceMailer::params2string(space);
1242                                 break;
1243                         }
1244                         case WRAP_CODE: {
1245                                 InsetWrapParams p;
1246                                 data = InsetWrapMailer::params2string(p);
1247                                 break;
1248                         }
1249                         default:
1250                                 lyxerr << "Inset type '" << name <<
1251                                         "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" <<  endl;
1252                                 insetCodeOK = false;
1253                                 break;
1254                         } // end switch(code)
1255                         if (insetCodeOK)
1256                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
1257                         break;
1258                 }
1259
1260                 case LFUN_CITATION_INSERT: {
1261                         BOOST_ASSERT(lyx_view_);
1262                         if (!argument.empty()) {
1263                                 // we can have one optional argument, delimited by '|'
1264                                 // citation-insert <key>|<text_before>
1265                                 // this should be enhanced to also support text_after
1266                                 // and citation style
1267                                 string arg = argument;
1268                                 string opt1;
1269                                 if (contains(argument, "|")) {
1270                                         arg = token(argument, '|', 0);
1271                                         opt1 = token(argument, '|', 1);
1272                                 }
1273                                 InsetCommandParams icp(CITE_CODE);
1274                                 icp["key"] = from_utf8(arg);
1275                                 if (!opt1.empty())
1276                                         icp["before"] = from_utf8(opt1);
1277                                 string icstr = InsetCommandMailer::params2string("citation", icp);
1278                                 FuncRequest fr(LFUN_INSET_INSERT, icstr);
1279                                 dispatch(fr);
1280                         } else
1281                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
1282                         break;
1283                 }
1284
1285                 case LFUN_BUFFER_CHILD_OPEN: {
1286                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1287                         Buffer * parent = lyx_view_->buffer();
1288                         FileName filename = makeAbsPath(argument, parent->filePath());
1289                         view()->saveBookmark(false);
1290                         Buffer * child = 0;
1291                         bool parsed = false;
1292                         if (theBufferList().exists(filename.absFilename())) {
1293                                 child = theBufferList().getBuffer(filename.absFilename());
1294                         } else {
1295                                 setMessage(bformat(_("Opening child document %1$s..."),
1296                                         makeDisplayPath(filename.absFilename())));
1297                                 child = lyx_view_->loadDocument(filename, false);
1298                                 parsed = true;
1299                         }
1300                         if (child) {
1301                                 // Set the parent name of the child document.
1302                                 // This makes insertion of citations and references in the child work,
1303                                 // when the target is in the parent or another child document.
1304                                 child->setParent(parent);
1305                                 updateLabels(*child->masterBuffer());
1306                                 lyx_view_->setBuffer(child);
1307                                 if (parsed)
1308                                         child->errors("Parse");
1309                         }
1310
1311                         // If a screen update is required (in case where auto_open is false),
1312                         // setBuffer() would have taken care of it already. Otherwise we shall
1313                         // reset the update flag because it can cause a circular problem.
1314                         // See bug 3970.
1315                         updateFlags = Update::None;
1316                         break;
1317                 }
1318
1319                 case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
1320                         BOOST_ASSERT(lyx_view_);
1321                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1322                         break;
1323
1324                 case LFUN_KEYMAP_OFF:
1325                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1326                         lyx_view_->view()->getIntl().keyMapOn(false);
1327                         break;
1328
1329                 case LFUN_KEYMAP_PRIMARY:
1330                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1331                         lyx_view_->view()->getIntl().keyMapPrim();
1332                         break;
1333
1334                 case LFUN_KEYMAP_SECONDARY:
1335                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1336                         lyx_view_->view()->getIntl().keyMapSec();
1337                         break;
1338
1339                 case LFUN_KEYMAP_TOGGLE:
1340                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1341                         lyx_view_->view()->getIntl().toggleKeyMap();
1342                         break;
1343
1344                 case LFUN_REPEAT: {
1345                         // repeat command
1346                         string countstr;
1347                         string rest = split(argument, countstr, ' ');
1348                         istringstream is(countstr);
1349                         int count = 0;
1350                         is >> count;
1351                         lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1352                         for (int i = 0; i < count; ++i)
1353                                 dispatch(lyxaction.lookupFunc(rest));
1354                         break;
1355                 }
1356
1357                 case LFUN_COMMAND_SEQUENCE: {
1358                         // argument contains ';'-terminated commands
1359                         string arg = argument;
1360                         while (!arg.empty()) {
1361                                 string first;
1362                                 arg = split(arg, first, ';');
1363                                 FuncRequest func(lyxaction.lookupFunc(first));
1364                                 func.origin = cmd.origin;
1365                                 dispatch(func);
1366                         }
1367                         break;
1368                 }
1369
1370                 case LFUN_CALL: {
1371                         FuncRequest func;
1372                         if (LyX::ref().topLevelCmdDef().lock(argument, func)) {
1373                                 func.origin = cmd.origin;
1374                                 dispatch(func);
1375                                 LyX::ref().topLevelCmdDef().release(argument);
1376                         } else {
1377                                 if (func.action == LFUN_UNKNOWN_ACTION) {
1378                                         // unknown command definition
1379                                         lyxerr << "Warning: unknown command definition `"
1380                                                    << argument << "'"
1381                                                    << endl;
1382                                 } else {
1383                                         // recursion detected
1384                                         lyxerr << "Warning: Recursion in the command definition `"
1385                                                    << argument << "' detected"
1386                                                    << endl;
1387                                 }
1388                         }
1389                         break;
1390                 }
1391
1392                 case LFUN_PREFERENCES_SAVE: {
1393                         lyxrc.write(makeAbsPath("preferences",
1394                                                 package().user_support().absFilename()),
1395                                     false);
1396                         break;
1397                 }
1398
1399                 case LFUN_SET_COLOR: {
1400                         string lyx_name;
1401                         string const x11_name = split(argument, lyx_name, ' ');
1402                         if (lyx_name.empty() || x11_name.empty()) {
1403                                 setErrorMessage(from_ascii(N_(
1404                                                 "Syntax: set-color <lyx_name>"
1405                                                 " <x11_name>")));
1406                                 break;
1407                         }
1408
1409                         bool const graphicsbg_changed =
1410                                 (lyx_name == lcolor.getLyXName(Color_graphicsbg) &&
1411                                  x11_name != lcolor.getX11Name(Color_graphicsbg));
1412
1413                         if (!lcolor.setColor(lyx_name, x11_name)) {
1414                                 setErrorMessage(
1415                                                 bformat(_("Set-color \"%1$s\" failed "
1416                                                                        "- color is undefined or "
1417                                                                        "may not be redefined"),
1418                                                                            from_utf8(lyx_name)));
1419                                 break;
1420                         }
1421
1422                         theApp()->updateColor(lcolor.getFromLyXName(lyx_name));
1423
1424                         if (graphicsbg_changed) {
1425                                 // FIXME: The graphics cache no longer has a changeDisplay method.
1426 #if 0
1427                                 graphics::GCache::get().changeDisplay(true);
1428 #endif
1429                         }
1430                         break;
1431                 }
1432
1433                 case LFUN_MESSAGE:
1434                         BOOST_ASSERT(lyx_view_);
1435                         lyx_view_->message(from_utf8(argument));
1436                         break;
1437
1438                 case LFUN_EXTERNAL_EDIT: {
1439                         BOOST_ASSERT(lyx_view_);
1440                         FuncRequest fr(action, argument);
1441                         InsetExternal().dispatch(view()->cursor(), fr);
1442                         break;
1443                 }
1444
1445                 case LFUN_GRAPHICS_EDIT: {
1446                         FuncRequest fr(action, argument);
1447                         InsetGraphics().dispatch(view()->cursor(), fr);
1448                         break;
1449                 }
1450
1451                 case LFUN_ALL_INSETS_TOGGLE: {
1452                         BOOST_ASSERT(lyx_view_);
1453                         string action;
1454                         string const name = split(argument, action, ' ');
1455                         InsetCode const inset_code = insetCode(name);
1456
1457                         Cursor & cur = view()->cursor();
1458                         FuncRequest fr(LFUN_INSET_TOGGLE, action);
1459
1460                         Inset & inset = lyx_view_->buffer()->inset();
1461                         InsetIterator it  = inset_iterator_begin(inset);
1462                         InsetIterator const end = inset_iterator_end(inset);
1463                         for (; it != end; ++it) {
1464                                 if (!it->asInsetMath()
1465                                     && (inset_code == NO_CODE
1466                                     || inset_code == it->lyxCode())) {
1467                                         Cursor tmpcur = cur;
1468                                         tmpcur.pushBackward(*it);
1469                                         it->dispatch(tmpcur, fr);
1470                                 }
1471                         }
1472                         updateFlags = Update::Force | Update::FitCursor;
1473                         break;
1474                 }
1475
1476                 case LFUN_BUFFER_LANGUAGE: {
1477                         BOOST_ASSERT(lyx_view_);
1478                         Buffer & buffer = *lyx_view_->buffer();
1479                         Language const * oldL = buffer.params().language;
1480                         Language const * newL = languages.getLanguage(argument);
1481                         if (!newL || oldL == newL)
1482                                 break;
1483
1484                         if (oldL->rightToLeft() == newL->rightToLeft()
1485                             && !buffer.isMultiLingual())
1486                                 buffer.changeLanguage(oldL, newL);
1487                         break;
1488                 }
1489
1490                 case LFUN_BUFFER_SAVE_AS_DEFAULT: {
1491                         string const fname =
1492                                 addName(addPath(package().user_support().absFilename(), "templates/"),
1493                                         "defaults.lyx");
1494                         Buffer defaults(fname);
1495
1496                         istringstream ss(argument);
1497                         Lexer lex(0,0);
1498                         lex.setStream(ss);
1499                         int const unknown_tokens = defaults.readHeader(lex);
1500
1501                         if (unknown_tokens != 0) {
1502                                 lyxerr << "Warning in LFUN_BUFFER_SAVE_AS_DEFAULT!\n"
1503                                        << unknown_tokens << " unknown token"
1504                                        << (unknown_tokens == 1 ? "" : "s")
1505                                        << endl;
1506                         }
1507
1508                         if (defaults.writeFile(FileName(defaults.absFileName())))
1509                                 setMessage(bformat(_("Document defaults saved in %1$s"),
1510                                                    makeDisplayPath(fname)));
1511                         else
1512                                 setErrorMessage(from_ascii(N_("Unable to save document defaults")));
1513                         break;
1514                 }
1515
1516                 case LFUN_BUFFER_PARAMS_APPLY: {
1517                         BOOST_ASSERT(lyx_view_);
1518
1519                         Buffer * buffer = lyx_view_->buffer();
1520                         DocumentClass * oldClass = buffer->params().documentClassPtr();
1521                         Cursor & cur = view()->cursor();
1522                         cur.recordUndoFullDocument();
1523
1524                         istringstream ss(argument);
1525                         Lexer lex(0,0);
1526                         lex.setStream(ss);
1527                         int const unknown_tokens = buffer->readHeader(lex);
1528
1529                         if (unknown_tokens != 0) {
1530                                 lyxerr << "Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1531                                                 << unknown_tokens << " unknown token"
1532                                                 << (unknown_tokens == 1 ? "" : "s")
1533                                                 << endl;
1534                         }
1535
1536                         updateLayout(oldClass, buffer);
1537
1538                         updateFlags = Update::Force | Update::FitCursor;
1539                         // We are most certainly here because of a change in the document
1540                         // It is then better to make sure that all dialogs are in sync with
1541                         // current document settings. LyXView::restartCursor() achieve this.
1542                         lyx_view_->restartCursor();
1543                         break;
1544                 }
1545
1546                 case LFUN_LAYOUT_MODULES_CLEAR: {
1547                         BOOST_ASSERT(lyx_view_);
1548                         Buffer * buffer = lyx_view_->buffer();
1549                         DocumentClass * oldClass = buffer->params().documentClassPtr();
1550                         view()->cursor().recordUndoFullDocument();
1551                         buffer->params().clearLayoutModules();
1552                         buffer->params().makeDocumentClass();
1553                         updateLayout(oldClass, buffer);
1554                         updateFlags = Update::Force | Update::FitCursor;
1555                         break;
1556                 }
1557
1558                 case LFUN_LAYOUT_MODULE_ADD: {
1559                         BOOST_ASSERT(lyx_view_);
1560                         Buffer * buffer = lyx_view_->buffer();
1561                         DocumentClass * oldClass = buffer->params().documentClassPtr();
1562                         view()->cursor().recordUndoFullDocument();
1563                         buffer->params().addLayoutModule(argument);
1564                         buffer->params().makeDocumentClass();
1565                         updateLayout(oldClass, buffer);
1566                         updateFlags = Update::Force | Update::FitCursor;
1567                         break;
1568                 }
1569
1570                 case LFUN_TEXTCLASS_APPLY: {
1571                         BOOST_ASSERT(lyx_view_);
1572                         Buffer * buffer = lyx_view_->buffer();
1573
1574                         if (!loadLayoutFile(argument, buffer->temppath()) &&
1575                                 !loadLayoutFile(argument, buffer->filePath()))
1576                                 break;
1577
1578                         LayoutFile const * old_layout = buffer->params().baseClass();
1579                         LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1580
1581                         if (old_layout == new_layout)
1582                                 // nothing to do
1583                                 break;
1584
1585                         //Save the old, possibly modular, layout for use in conversion.
1586                         DocumentClass * oldDocClass = buffer->params().documentClassPtr();
1587                         view()->cursor().recordUndoFullDocument();
1588                         buffer->params().setBaseClass(argument);
1589                         buffer->params().makeDocumentClass();
1590                         updateLayout(oldDocClass, buffer);
1591                         updateFlags = Update::Force | Update::FitCursor;
1592                         break;
1593                 }
1594
1595                 case LFUN_LAYOUT_RELOAD: {
1596                         BOOST_ASSERT(lyx_view_);
1597                         Buffer * buffer = lyx_view_->buffer();
1598                         DocumentClass * oldClass = buffer->params().documentClassPtr();
1599                         LayoutFileIndex bc = buffer->params().baseClassID();
1600                         LayoutFileList::get().reset(bc);
1601                         buffer->params().makeDocumentClass();
1602                         updateLayout(oldClass, buffer);
1603                         updateFlags = Update::Force | Update::FitCursor;
1604                         break;
1605                 }
1606
1607                 case LFUN_TEXTCLASS_LOAD:
1608                         loadLayoutFile(argument, lyx_view_->buffer()->temppath()) ||
1609                         loadLayoutFile(argument, lyx_view_->buffer()->filePath());
1610                         break;
1611
1612                 case LFUN_LYXRC_APPLY: {
1613                         LyXRC const lyxrc_orig = lyxrc;
1614
1615                         istringstream ss(argument);
1616                         bool const success = lyxrc.read(ss) == 0;
1617
1618                         if (!success) {
1619                                 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1620                                        << "Unable to read lyxrc data"
1621                                        << endl;
1622                                 break;
1623                         }
1624
1625                         actOnUpdatedPrefs(lyxrc_orig, lyxrc);
1626
1627                         theApp()->resetGui();
1628
1629                         /// We force the redraw in any case because there might be
1630                         /// some screen font changes.
1631                         /// FIXME: only the current view will be updated. the Gui
1632                         /// class is able to furnish the list of views.
1633                         updateFlags = Update::Force;
1634                         break;
1635                 }
1636
1637                 case LFUN_BOOKMARK_GOTO:
1638                         // go to bookmark, open unopened file and switch to buffer if necessary
1639                         gotoBookmark(convert<unsigned int>(to_utf8(cmd.argument())), true, true);
1640                         updateFlags = Update::FitCursor;
1641                         break;
1642
1643                 case LFUN_BOOKMARK_CLEAR:
1644                         LyX::ref().session().bookmarks().clear();
1645                         break;
1646
1647                 default:
1648                         BOOST_ASSERT(theApp());
1649                         // Let the frontend dispatch its own actions.
1650                         if (theApp()->dispatch(cmd))
1651                                 // Nothing more to do.
1652                                 return;
1653
1654                         // Everything below is only for active lyx_view_
1655                         if (lyx_view_ == 0)
1656                                 break;
1657
1658                         // Let the current LyXView dispatch its own actions.
1659                         if (lyx_view_->dispatch(cmd)) {
1660                                 if (lyx_view_->view())
1661                                         updateFlags = lyx_view_->view()->cursor().result().update();
1662                                 break;
1663                         }
1664
1665                         BOOST_ASSERT(lyx_view_->view());
1666                         // Let the current BufferView dispatch its own actions.
1667                         if (view()->dispatch(cmd)) {
1668                                 // The BufferView took care of its own updates if needed.
1669                                 updateFlags = Update::None;
1670                                 break;
1671                         }
1672
1673                         // Let the current Cursor dispatch its own actions.
1674                         Cursor old = view()->cursor();
1675                         view()->cursor().getPos(cursorPosBeforeDispatchX_,
1676                                                 cursorPosBeforeDispatchY_);
1677                         view()->cursor().dispatch(cmd);
1678
1679                         // notify insets we just left
1680                         if (view()->cursor() != old) {
1681                                 old.fixIfBroken();
1682                                 bool badcursor = notifyCursorLeaves(old, view()->cursor());
1683                                 if (badcursor)
1684                                         view()->cursor().fixIfBroken();
1685                         }
1686
1687                         // update completion. We do it here and not in
1688                         // processKeySym to avoid another redraw just for a
1689                         // changed inline completion
1690                         if (cmd.origin == FuncRequest::KEYBOARD) {
1691                                 if (cmd.action == LFUN_SELF_INSERT)
1692                                         lyx_view_->updateCompletion(view()->cursor(), true, true);
1693                                 else if (cmd.action == LFUN_CHAR_DELETE_BACKWARD)
1694                                         lyx_view_->updateCompletion(view()->cursor(), false, true);
1695                                 else
1696                                         lyx_view_->updateCompletion(view()->cursor(), false, false);
1697                         }
1698
1699                         updateFlags = view()->cursor().result().update();
1700                 }
1701
1702                 if (lyx_view_ && lyx_view_->buffer()) {
1703                         // BufferView::update() updates the ViewMetricsInfo and
1704                         // also initializes the position cache for all insets in
1705                         // (at least partially) visible top-level paragraphs.
1706                         // We will redraw the screen only if needed.
1707                         view()->processUpdateFlags(updateFlags);
1708
1709                         // if we executed a mutating lfun, mark the buffer as dirty
1710                         if (flag.enabled()
1711                             && !lyxaction.funcHasFlag(action, LyXAction::NoBuffer)
1712                             && !lyxaction.funcHasFlag(action, LyXAction::ReadOnly))
1713                                 lyx_view_->buffer()->markDirty();
1714
1715                         // Do we have a selection?
1716                         theSelection().haveSelection(view()->cursor().selection());
1717
1718                         // update gui
1719                         lyx_view_->restartCursor();
1720                 }
1721         }
1722         if (lyx_view_) {
1723                 // Some messages may already be translated, so we cannot use _()
1724                 sendDispatchMessage(translateIfPossible(getMessage()), cmd);
1725         }
1726 }
1727
1728
1729 void LyXFunc::sendDispatchMessage(docstring const & msg, FuncRequest const & cmd)
1730 {
1731         const bool verbose = (cmd.origin == FuncRequest::MENU
1732                               || cmd.origin == FuncRequest::TOOLBAR
1733                               || cmd.origin == FuncRequest::COMMANDBUFFER);
1734
1735         if (cmd.action == LFUN_SELF_INSERT || !verbose) {
1736                 LYXERR(Debug::ACTION, "dispatch msg is " << to_utf8(msg));
1737                 if (!msg.empty())
1738                         lyx_view_->message(msg);
1739                 return;
1740         }
1741
1742         docstring dispatch_msg = msg;
1743         if (!dispatch_msg.empty())
1744                 dispatch_msg += ' ';
1745
1746         docstring comname = from_utf8(lyxaction.getActionName(cmd.action));
1747
1748         bool argsadded = false;
1749
1750         if (!cmd.argument().empty()) {
1751                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1752                         comname += ' ' + cmd.argument();
1753                         argsadded = true;
1754                 }
1755         }
1756
1757         docstring const shortcuts = theTopLevelKeymap().printBindings(cmd);
1758
1759         if (!shortcuts.empty())
1760                 comname += ": " + shortcuts;
1761         else if (!argsadded && !cmd.argument().empty())
1762                 comname += ' ' + cmd.argument();
1763
1764         if (!comname.empty()) {
1765                 comname = rtrim(comname);
1766                 dispatch_msg += '(' + rtrim(comname) + ')';
1767         }
1768
1769         LYXERR(Debug::ACTION, "verbose dispatch msg " << to_utf8(dispatch_msg));
1770         if (!dispatch_msg.empty())
1771                 lyx_view_->message(dispatch_msg);
1772 }
1773
1774
1775 void LyXFunc::reloadBuffer()
1776 {
1777         FileName filename = lyx_view_->buffer()->fileName();
1778         // The user has already confirmed that the changes, if any, should
1779         // be discarded. So we just release the Buffer and don't call closeBuffer();
1780         theBufferList().release(lyx_view_->buffer());
1781         Buffer * buf = lyx_view_->loadDocument(filename);
1782         docstring const disp_fn = makeDisplayPath(filename.absFilename());
1783         docstring str;
1784         if (buf) {
1785                 updateLabels(*buf);
1786                 lyx_view_->setBuffer(buf);
1787                 buf->errors("Parse");
1788                 str = bformat(_("Document %1$s reloaded."), disp_fn);
1789         } else {
1790                 str = bformat(_("Could not reload document %1$s"), disp_fn);
1791         }
1792         lyx_view_->message(str);
1793 }
1794
1795 // Each "lyx_view_" should have it's own message method. lyxview and
1796 // the minibuffer would use the minibuffer, but lyxserver would
1797 // send an ERROR signal to its client.  Alejandro 970603
1798 // This function is bit problematic when it comes to NLS, to make the
1799 // lyx servers client be language indepenent we must not translate
1800 // strings sent to this func.
1801 void LyXFunc::setErrorMessage(docstring const & m) const
1802 {
1803         dispatch_buffer = m;
1804         errorstat = true;
1805 }
1806
1807
1808 void LyXFunc::setMessage(docstring const & m) const
1809 {
1810         dispatch_buffer = m;
1811 }
1812
1813
1814 docstring const LyXFunc::viewStatusMessage()
1815 {
1816         // When meta-fake key is pressed, show the key sequence so far + "M-".
1817         if (wasMetaKey())
1818                 return keyseq.print(KeySequence::ForGui) + "M-";
1819
1820         // Else, when a non-complete key sequence is pressed,
1821         // show the available options.
1822         if (keyseq.length() > 0 && !keyseq.deleted())
1823                 return keyseq.printOptions(true);
1824
1825         BOOST_ASSERT(lyx_view_);
1826         if (!lyx_view_->buffer())
1827                 return _("Welcome to LyX!");
1828
1829         return view()->cursor().currentState();
1830 }
1831
1832
1833 BufferView * LyXFunc::view() const
1834 {
1835         BOOST_ASSERT(lyx_view_);
1836         return lyx_view_->view();
1837 }
1838
1839
1840 bool LyXFunc::wasMetaKey() const
1841 {
1842         return (meta_fake_bit != NoModifier);
1843 }
1844
1845
1846 void LyXFunc::updateLayout(DocumentClass * oldlayout,Buffer * buffer)
1847 {
1848         lyx_view_->message(_("Converting document to new document class..."));
1849
1850         StableDocIterator backcur(view()->cursor());
1851         ErrorList & el = buffer->errorList("Class Switch");
1852         cap::switchBetweenClasses(
1853                         oldlayout, buffer->params().documentClassPtr(),
1854                         static_cast<InsetText &>(buffer->inset()), el);
1855
1856         view()->setCursor(backcur.asDocIterator(&(buffer->inset())));
1857
1858         buffer->errors("Class Switch");
1859         updateLabels(*buffer);
1860 }
1861
1862
1863 namespace {
1864
1865 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
1866 {
1867         // Why the switch you might ask. It is a trick to ensure that all
1868         // the elements in the LyXRCTags enum is handled. As you can see
1869         // there are no breaks at all. So it is just a huge fall-through.
1870         // The nice thing is that we will get a warning from the compiler
1871         // if we forget an element.
1872         LyXRC::LyXRCTags tag = LyXRC::RC_LAST;
1873         switch (tag) {
1874         case LyXRC::RC_ACCEPT_COMPOUND:
1875         case LyXRC::RC_ALT_LANG:
1876         case LyXRC::RC_PLAINTEXT_ROFF_COMMAND:
1877         case LyXRC::RC_PLAINTEXT_LINELEN:
1878         case LyXRC::RC_AUTOREGIONDELETE:
1879         case LyXRC::RC_AUTORESET_OPTIONS:
1880         case LyXRC::RC_AUTOSAVE:
1881         case LyXRC::RC_AUTO_NUMBER:
1882         case LyXRC::RC_BACKUPDIR_PATH:
1883         case LyXRC::RC_BIBTEX_COMMAND:
1884         case LyXRC::RC_BINDFILE:
1885         case LyXRC::RC_CHECKLASTFILES:
1886         case LyXRC::RC_COMPLETION_INLINE_DELAY:
1887         case LyXRC::RC_COMPLETION_INLINE_DOTS:
1888         case LyXRC::RC_COMPLETION_INLINE_MATH:
1889         case LyXRC::RC_COMPLETION_INLINE_TEXT:
1890         case LyXRC::RC_COMPLETION_POPUP_AFTER_COMPLETE:
1891         case LyXRC::RC_COMPLETION_POPUP_DELAY:
1892         case LyXRC::RC_COMPLETION_POPUP_MATH:
1893         case LyXRC::RC_COMPLETION_POPUP_TEXT:
1894         case LyXRC::RC_USELASTFILEPOS:
1895         case LyXRC::RC_LOADSESSION:
1896         case LyXRC::RC_CHKTEX_COMMAND:
1897         case LyXRC::RC_CONVERTER:
1898         case LyXRC::RC_CONVERTER_CACHE_MAXAGE:
1899         case LyXRC::RC_COPIER:
1900         case LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR:
1901         case LyXRC::RC_CUSTOM_EXPORT_COMMAND:
1902         case LyXRC::RC_CUSTOM_EXPORT_FORMAT:
1903         case LyXRC::RC_DATE_INSERT_FORMAT:
1904         case LyXRC::RC_DEFAULT_LANGUAGE:
1905         case LyXRC::RC_DEFAULT_PAPERSIZE:
1906         case LyXRC::RC_DEFFILE:
1907         case LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN:
1908         case LyXRC::RC_DISPLAY_GRAPHICS:
1909         case LyXRC::RC_DOCUMENTPATH:
1910                 if (lyxrc_orig.document_path != lyxrc_new.document_path) {
1911                         FileName path(lyxrc_new.document_path);
1912                         if (path.exists() && path.isDirectory())
1913                                 package().document_dir() = FileName(lyxrc.document_path);
1914                 }
1915         case LyXRC::RC_ESC_CHARS:
1916         case LyXRC::RC_EXAMPLEPATH:
1917         case LyXRC::RC_FONT_ENCODING:
1918         case LyXRC::RC_FORMAT:
1919         case LyXRC::RC_GROUP_LAYOUTS:
1920         case LyXRC::RC_INDEX_COMMAND:
1921         case LyXRC::RC_INPUT:
1922         case LyXRC::RC_KBMAP:
1923         case LyXRC::RC_KBMAP_PRIMARY:
1924         case LyXRC::RC_KBMAP_SECONDARY:
1925         case LyXRC::RC_LABEL_INIT_LENGTH:
1926         case LyXRC::RC_LANGUAGE_AUTO_BEGIN:
1927         case LyXRC::RC_LANGUAGE_AUTO_END:
1928         case LyXRC::RC_LANGUAGE_COMMAND_BEGIN:
1929         case LyXRC::RC_LANGUAGE_COMMAND_END:
1930         case LyXRC::RC_LANGUAGE_COMMAND_LOCAL:
1931         case LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS:
1932         case LyXRC::RC_LANGUAGE_PACKAGE:
1933         case LyXRC::RC_LANGUAGE_USE_BABEL:
1934         case LyXRC::RC_MACRO_EDIT_STYLE:
1935         case LyXRC::RC_MAKE_BACKUP:
1936         case LyXRC::RC_MARK_FOREIGN_LANGUAGE:
1937         case LyXRC::RC_MOUSE_WHEEL_SPEED:
1938         case LyXRC::RC_NUMLASTFILES:
1939         case LyXRC::RC_PATH_PREFIX:
1940                 if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
1941                         prependEnvPath("PATH", lyxrc.path_prefix);
1942                 }
1943         case LyXRC::RC_PERS_DICT:
1944         case LyXRC::RC_PREVIEW:
1945         case LyXRC::RC_PREVIEW_HASHED_LABELS:
1946         case LyXRC::RC_PREVIEW_SCALE_FACTOR:
1947         case LyXRC::RC_PRINTCOLLCOPIESFLAG:
1948         case LyXRC::RC_PRINTCOPIESFLAG:
1949         case LyXRC::RC_PRINTER:
1950         case LyXRC::RC_PRINTEVENPAGEFLAG:
1951         case LyXRC::RC_PRINTEXSTRAOPTIONS:
1952         case LyXRC::RC_PRINTFILEEXTENSION:
1953         case LyXRC::RC_PRINTLANDSCAPEFLAG:
1954         case LyXRC::RC_PRINTODDPAGEFLAG:
1955         case LyXRC::RC_PRINTPAGERANGEFLAG:
1956         case LyXRC::RC_PRINTPAPERDIMENSIONFLAG:
1957         case LyXRC::RC_PRINTPAPERFLAG:
1958         case LyXRC::RC_PRINTREVERSEFLAG:
1959         case LyXRC::RC_PRINTSPOOL_COMMAND:
1960         case LyXRC::RC_PRINTSPOOL_PRINTERPREFIX:
1961         case LyXRC::RC_PRINTTOFILE:
1962         case LyXRC::RC_PRINTTOPRINTER:
1963         case LyXRC::RC_PRINT_ADAPTOUTPUT:
1964         case LyXRC::RC_PRINT_COMMAND:
1965         case LyXRC::RC_RTL_SUPPORT:
1966         case LyXRC::RC_SCREEN_DPI:
1967         case LyXRC::RC_SCREEN_FONT_ROMAN:
1968         case LyXRC::RC_SCREEN_FONT_ROMAN_FOUNDRY:
1969         case LyXRC::RC_SCREEN_FONT_SANS:
1970         case LyXRC::RC_SCREEN_FONT_SANS_FOUNDRY:
1971         case LyXRC::RC_SCREEN_FONT_SCALABLE:
1972         case LyXRC::RC_SCREEN_FONT_SIZES:
1973         case LyXRC::RC_SCREEN_FONT_TYPEWRITER:
1974         case LyXRC::RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
1975         case LyXRC::RC_GEOMETRY_SESSION:
1976         case LyXRC::RC_SCREEN_ZOOM:
1977         case LyXRC::RC_SERVERPIPE:
1978         case LyXRC::RC_SET_COLOR:
1979         case LyXRC::RC_SHOW_BANNER:
1980         case LyXRC::RC_SINGLE_WINDOW:
1981         case LyXRC::RC_SPELL_COMMAND:
1982         case LyXRC::RC_TEMPDIRPATH:
1983         case LyXRC::RC_TEMPLATEPATH:
1984         case LyXRC::RC_TEX_ALLOWS_SPACES:
1985         case LyXRC::RC_TEX_EXPECTS_WINDOWS_PATHS:
1986                 if (lyxrc_orig.windows_style_tex_paths != lyxrc_new.windows_style_tex_paths) {
1987                         os::windows_style_tex_paths(lyxrc_new.windows_style_tex_paths);
1988                 }
1989         case LyXRC::RC_UIFILE:
1990         case LyXRC::RC_USER_EMAIL:
1991         case LyXRC::RC_USER_NAME:
1992         case LyXRC::RC_USETEMPDIR:
1993         case LyXRC::RC_USE_ALT_LANG:
1994         case LyXRC::RC_USE_CONVERTER_CACHE:
1995         case LyXRC::RC_USE_ESC_CHARS:
1996         case LyXRC::RC_USE_INP_ENC:
1997         case LyXRC::RC_USE_PERS_DICT:
1998         case LyXRC::RC_USE_TOOLTIP:
1999         case LyXRC::RC_USE_PIXMAP_CACHE:
2000         case LyXRC::RC_USE_SPELL_LIB:
2001         case LyXRC::RC_VIEWDVI_PAPEROPTION:
2002         case LyXRC::RC_SORT_LAYOUTS:
2003         case LyXRC::RC_FULL_SCREEN_LIMIT:
2004         case LyXRC::RC_FULL_SCREEN_SCROLLBAR:
2005         case LyXRC::RC_FULL_SCREEN_TABBAR:
2006         case LyXRC::RC_FULL_SCREEN_TOOLBARS:
2007         case LyXRC::RC_FULL_SCREEN_WIDTH:
2008         case LyXRC::RC_VISUAL_CURSOR:
2009         case LyXRC::RC_VIEWER:
2010         case LyXRC::RC_LAST:
2011                 break;
2012         }
2013 }
2014
2015 } // namespace anon
2016
2017
2018 } // namespace lyx