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 "BaseClassList.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         lv.message(_("Running configure..."));
 112
 113         // Run configure in user lyx directory
 114         PathChanger p(package().user_support());
 115         string configure_command = package().configure_command();
 116         configure_command += option;
 117         Systemcall one;
 118         int ret = one.startscript(Systemcall::Wait, configure_command);
 119         p.pop();
 120         // emit message signal.
 121         lv.message(_("Reloading configuration..."));
 122         lyxrc.read(libFileSearch(string(), "lyxrc.defaults"));
 123         // Re-read packages.lst
 124         LaTeXFeatures::getAvailable();
 125
 126         if (ret)
 127                 Alert::information(_("System reconfiguration failed"),
 128                            _("The system reconfiguration has failed.\n"
 129                                   "Default textclass is used but LyX may "
 130                                   "not be able to work properly.\n"
 131                                   "Please reconfigure again if needed."));
 132         else
 133
 134                 Alert::information(_("System reconfigured"),
 135                            _("The system has been reconfigured.\n"
 136                              "You need to restart LyX to make use of any\n"
 137                              "updated document class specifications."));
 138 }
 139
 140
 141 bool getLocalStatus(Cursor cursor, FuncRequest const & cmd, FuncStatus & status)
 142 {
 143         // Try to fix cursor in case it is broken.
 144         cursor.fixIfBroken();
 145
 146         // This is, of course, a mess. Better create a new doc iterator and use
 147         // this in Inset::getStatus. This might require an additional
 148         // BufferView * arg, though (which should be avoided)
 149         //Cursor safe = *this;
 150         bool res = false;
 151         for ( ; cursor.depth(); cursor.pop()) {
 152                 //lyxerr << "\nCursor::getStatus: cmd: " << cmd << endl << *this << endl;
 153                 BOOST_ASSERT(cursor.idx() <= cursor.lastidx());
 154                 BOOST_ASSERT(cursor.pit() <= cursor.lastpit());
 155                 BOOST_ASSERT(cursor.pos() <= cursor.lastpos());
 156
 157                 // The inset's getStatus() will return 'true' if it made
 158                 // a definitive decision on whether it want to handle the
 159                 // request or not. The result of this decision is put into
 160                 // the 'status' parameter.
 161                 if (cursor.inset().getStatus(cursor, cmd, status)) {
 162                         res = true;
 163                         break;
 164                 }
 165         }
 166         return res;
 167 }
 168
 169
 170 /** Return the change status at cursor position, taking in account the
 171  * status at each level of the document iterator (a table in a deleted
 172  * footnote is deleted).
 173  * When \param outer is true, the top slice is not looked at.
 174  */
 175 Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
 176 {
 177         size_t const depth = dit.depth() - (outer ? 1 : 0);
 178
 179         for (size_t i = 0 ; i < depth ; ++i) {
 180                 CursorSlice const & slice = dit[i];
 181                 if (!slice.inset().inMathed()
 182                     && slice.pos() < slice.paragraph().size()) {
 183                         Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
 184                         if (ch != Change::UNCHANGED)
 185                                 return ch;
 186                 }
 187         }
 188         return Change::UNCHANGED;
 189 }
 190
 191 }
 192
 193
 194 LyXFunc::LyXFunc()
 195         : lyx_view_(0), encoded_last_key(0), meta_fake_bit(NoModifier)
 196 {
 197 }
 198
 199
 200 void LyXFunc::initKeySequences(KeyMap * kb)
 201 {
 202         keyseq = KeySequence(kb, kb);
 203         cancel_meta_seq = KeySequence(kb, kb);
 204 }
 205
 206
 207 void LyXFunc::setLyXView(LyXView * lv)
 208 {
 209         if (!quitting && lyx_view_ && lyx_view_->view() && lyx_view_ != lv)
 210                 // save current selection to the selection buffer to allow
 211                 // middle-button paste in another window
 212                 cap::saveSelection(lyx_view_->view()->cursor());
 213         lyx_view_ = lv;
 214 }
 215
 216
 217 void LyXFunc::handleKeyFunc(kb_action action)
 218 {
 219         char_type c = encoded_last_key;
 220
 221         if (keyseq.length())
 222                 c = 0;
 223
 224         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
 225         lyx_view_->view()->getIntl().getTransManager().deadkey(
 226                 c, get_accent(action).accent, view()->cursor().innerText(), view()->cursor());
 227         // Need to clear, in case the minibuffer calls these
 228         // actions
 229         keyseq.clear();
 230         // copied verbatim from do_accent_char
 231         view()->cursor().resetAnchor();
 232         view()->processUpdateFlags(Update::FitCursor);
 233 }
 234
 235
 236 void LyXFunc::gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer)
 237 {
 238         BOOST_ASSERT(lyx_view_);
 239         if (!LyX::ref().session().bookmarks().isValid(idx))
 240                 return;
 241         BookmarksSection::Bookmark const & bm = LyX::ref().session().bookmarks().bookmark(idx);
 242         BOOST_ASSERT(!bm.filename.empty());
 243         string const file = bm.filename.absFilename();
 244         // if the file is not opened, open it.
 245         if (!theBufferList().exists(file)) {
 246                 if (openFile)
 247                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
 248                 else
 249                         return;
 250         }
 251         // open may fail, so we need to test it again
 252         if (!theBufferList().exists(file))
 253                 return;
 254
 255         // if the current buffer is not that one, switch to it.
 256         if (lyx_view_->buffer()->absFileName() != file) {
 257                 if (!switchToBuffer)
 258                         return;
 259                 dispatch(FuncRequest(LFUN_BUFFER_SWITCH, file));
 260         }
 261         // moveToPosition try paragraph id first and then paragraph (pit, pos).
 262         if (!view()->moveToPosition(bm.bottom_pit, bm.bottom_pos,
 263                 bm.top_id, bm.top_pos))
 264                 return;
 265
 266         // Cursor jump succeeded!
 267         Cursor const & cur = view()->cursor();
 268         pit_type new_pit = cur.pit();
 269         pos_type new_pos = cur.pos();
 270         int new_id = cur.paragraph().id();
 271
 272         // if bottom_pit, bottom_pos or top_id has been changed, update bookmark
 273         // see http://bugzilla.lyx.org/show_bug.cgi?id=3092
 274         if (bm.bottom_pit != new_pit || bm.bottom_pos != new_pos
 275                 || bm.top_id != new_id) {
 276                 const_cast<BookmarksSection::Bookmark &>(bm).updatePos(
 277                         new_pit, new_pos, new_id);
 278         }
 279 }
 280
 281
 282 void LyXFunc::processKeySym(KeySymbol const & keysym, KeyModifier state)
 283 {
 284         LYXERR(Debug::KEY, "KeySym is " << keysym.getSymbolName());
 285
 286         // Do nothing if we have nothing (JMarc)
 287         if (!keysym.isOK()) {
 288                 LYXERR(Debug::KEY, "Empty kbd action (probably composing)");
 289                 lyx_view_->restartCursor();
 290                 return;
 291         }
 292
 293         if (keysym.isModifier()) {
 294                 LYXERR(Debug::KEY, "isModifier true");
 295                 lyx_view_->restartCursor();
 296                 return;
 297         }
 298
 299         //Encoding const * encoding = view()->cursor().getEncoding();
 300         //encoded_last_key = keysym.getISOEncoded(encoding ? encoding->name() : "");
 301         // FIXME: encoded_last_key shadows the member variable of the same
 302         // name. Is that intended?
 303         char_type encoded_last_key = keysym.getUCSEncoded();
 304
 305         // Do a one-deep top-level lookup for
 306         // cancel and meta-fake keys. RVDK_PATCH_5
 307         cancel_meta_seq.reset();
 308
 309         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 310         LYXERR(Debug::KEY, "action first set to [" << func.action << ']');
 311
 312         // When not cancel or meta-fake, do the normal lookup.
 313         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 314         // Mostly, meta_fake_bit = NoModifier. RVDK_PATCH_5.
 315         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_PREFIX)) {
 316                 // remove Caps Lock and Mod2 as a modifiers
 317                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 318                 LYXERR(Debug::KEY, "action now set to [" << func.action << ']');
 319         }
 320
 321         // Dont remove this unless you know what you are doing.
 322         meta_fake_bit = NoModifier;
 323
 324         // Can this happen now ?
 325         if (func.action == LFUN_NOACTION)
 326                 func = FuncRequest(LFUN_COMMAND_PREFIX);
 327
 328         LYXERR(Debug::KEY, " Key [action=" << func.action << "]["
 329                 << keyseq.print(KeySequence::Portable) << ']');
 330
 331         // already here we know if it any point in going further
 332         // why not return already here if action == -1 and
 333         // num_bytes == 0? (Lgb)
 334
 335         if (keyseq.length() > 1)
 336                 lyx_view_->message(keyseq.print(KeySequence::ForGui));
 337
 338
 339         // Maybe user can only reach the key via holding down shift.
 340         // Let's see. But only if shift is the only modifier
 341         if (func.action == LFUN_UNKNOWN_ACTION && state == ShiftModifier) {
 342                 LYXERR(Debug::KEY, "Trying without shift");
 343                 func = keyseq.addkey(keysym, NoModifier);
 344                 LYXERR(Debug::KEY, "Action now " << func.action);
 345         }
 346
 347         if (func.action == LFUN_UNKNOWN_ACTION) {
 348                 // Hmm, we didn't match any of the keysequences. See
 349                 // if it's normal insertable text not already covered
 350                 // by a binding
 351                 if (keysym.isText() && keyseq.length() == 1) {
 352                         LYXERR(Debug::KEY, "isText() is true, inserting.");
 353                         func = FuncRequest(LFUN_SELF_INSERT,
 354                                            FuncRequest::KEYBOARD);
 355                 } else {
 356                         LYXERR(Debug::KEY, "Unknown, !isText() - giving up");
 357                         lyx_view_->message(_("Unknown function."));
 358                         lyx_view_->restartCursor();
 359                         return;
 360                 }
 361         }
 362
 363         if (func.action == LFUN_SELF_INSERT) {
 364                 if (encoded_last_key != 0) {
 365                         docstring const arg(1, encoded_last_key);
 366                         dispatch(FuncRequest(LFUN_SELF_INSERT, arg,
 367                                              FuncRequest::KEYBOARD));
 368                         LYXERR(Debug::KEY, "SelfInsert arg[`" << to_utf8(arg) << "']");
 369                         lyx_view_->updateCompletion(true, true);
 370                 }
 371         } else {
 372                 dispatch(func);
 373                 if (!lyx_view_)
 374                         return;
 375                 if (func.action == LFUN_CHAR_DELETE_BACKWARD)
 376                         // backspace is not a self-insertion. But it
 377                         // still should not hide the completion popup.
 378                         // FIXME: more clever way to detect those movements
 379                         lyx_view_->updateCompletion(false, true);
 380                 else
 381                         lyx_view_->updateCompletion(false, false);
 382         }
 383
 384         if (lyx_view_)
 385                 lyx_view_->restartCursor();
 386 }
 387
 388
 389 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 390 {
 391         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
 392         FuncStatus flag;
 393
 394         Buffer * buf = lyx_view_? lyx_view_->buffer() : 0;
 395
 396         if (cmd.action == LFUN_NOACTION) {
 397                 flag.message(from_utf8(N_("Nothing to do")));
 398                 flag.enabled(false);
 399                 return flag;
 400         }
 401
 402         switch (cmd.action) {
 403         case LFUN_UNKNOWN_ACTION:
 404 #ifndef HAVE_LIBAIKSAURUS
 405         case LFUN_THESAURUS_ENTRY:
 406 #endif
 407                 flag.unknown(true);
 408                 flag.enabled(false);
 409                 break;
 410
 411         default:
 412                 break;
 413         }
 414
 415         if (flag.unknown()) {
 416                 flag.message(from_utf8(N_("Unknown action")));
 417                 return flag;
 418         }
 419
 420         if (!flag.enabled()) {
 421                 if (flag.message().empty())
 422                         flag.message(from_utf8(N_("Command disabled")));
 423                 return flag;
 424         }
 425
 426         // Check whether we need a buffer
 427         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 428                 // no, exit directly
 429                 flag.message(from_utf8(N_("Command not allowed with"
 430                                     "out any document open")));
 431                 flag.enabled(false);
 432                 return flag;
 433         }
 434
 435         // I would really like to avoid having this switch and rather try to
 436         // encode this in the function itself.
 437         // -- And I'd rather let an inset decide which LFUNs it is willing
 438         // to handle (Andre')
 439         bool enable = true;
 440         switch (cmd.action) {
 441
 442         // FIXME: these cases should be hidden in GuiApplication::getStatus().
 443         case LFUN_WINDOW_CLOSE:
 444                 if (theApp())
 445                         return theApp()->getStatus(cmd);
 446                 enable = false;
 447                 break;
 448
 449         // FIXME: these cases should be hidden in GuiView::getStatus().
 450         case LFUN_DIALOG_TOGGLE:
 451         case LFUN_DIALOG_SHOW:
 452         case LFUN_DIALOG_UPDATE:
 453                 if (cmd.argument() == "prefs"
 454                     || cmd.argument() == "aboutlyx")
 455                         enable = true;
 456                 else if (lyx_view_)
 457                         return lyx_view_->getStatus(cmd);
 458                 else
 459                         enable = false;
 460                 break;
 461
 462         case LFUN_TOOLBAR_TOGGLE:
 463         case LFUN_INSET_APPLY:
 464         case LFUN_BUFFER_WRITE:
 465         case LFUN_BUFFER_WRITE_AS:
 466         case LFUN_SPLIT_VIEW:
 467         case LFUN_CLOSE_TAB_GROUP:
 468         case LFUN_COMPLETION_POPUP:
 469         case LFUN_COMPLETION_INLINE:
 470         case LFUN_COMPLETION_COMPLETE:
 471                 if (lyx_view_)
 472                         return lyx_view_->getStatus(cmd);
 473                 enable = false;
 474                 break;
 475
 476         case LFUN_BUFFER_TOGGLE_READ_ONLY:
 477                 flag.setOnOff(buf->isReadonly());
 478                 break;
 479
 480         case LFUN_BUFFER_SWITCH:
 481                 // toggle on the current buffer, but do not toggle off
 482                 // the other ones (is that a good idea?)
 483                 if (buf && to_utf8(cmd.argument()) == buf->absFileName())
 484                         flag.setOnOff(true);
 485                 break;
 486
 487         case LFUN_BUFFER_EXPORT:
 488                 enable = cmd.argument() == "custom"
 489                         || buf->isExportable(to_utf8(cmd.argument()));
 490                 break;
 491
 492         case LFUN_BUFFER_CHKTEX:
 493                 enable = buf->isLatex() && !lyxrc.chktex_command.empty();
 494                 break;
 495
 496         case LFUN_BUILD_PROGRAM:
 497                 enable = buf->isExportable("program");
 498                 break;
 499
 500         case LFUN_VC_REGISTER:
 501                 enable = !buf->lyxvc().inUse();
 502                 break;
 503         case LFUN_VC_CHECK_IN:
 504                 enable = buf->lyxvc().inUse() && !buf->isReadonly();
 505                 break;
 506         case LFUN_VC_CHECK_OUT:
 507                 enable = buf->lyxvc().inUse() && buf->isReadonly();
 508                 break;
 509         case LFUN_VC_REVERT:
 510         case LFUN_VC_UNDO_LAST:
 511                 enable = buf->lyxvc().inUse();
 512                 break;
 513         case LFUN_BUFFER_RELOAD:
 514                 enable = !buf->isUnnamed() && buf->fileName().exists()
 515                         && (!buf->isClean() || buf->isExternallyModified(Buffer::timestamp_method));
 516                 break;
 517
 518         case LFUN_CITATION_INSERT: {
 519                 FuncRequest fr(LFUN_INSET_INSERT, "citation");
 520                 enable = getStatus(fr).enabled();
 521                 break;
 522         }
 523
 524         // This could be used for the no-GUI version. The GUI version is handled in
 525         // LyXView::getStatus(). See above.
 526         /*
 527         case LFUN_BUFFER_WRITE:
 528         case LFUN_BUFFER_WRITE_AS: {
 529                 Buffer * b = theBufferList().getBuffer(cmd.getArg(0));
 530                 enable = b && (b->isUnnamed() || !b->isClean());
 531                 break;
 532         }
 533         */
 534
 535         case LFUN_BUFFER_WRITE_ALL: {
 536                 // We enable the command only if there are some modified buffers
 537                 Buffer * first = theBufferList().first();
 538                 enable = false;
 539                 if (!first)
 540                         break;
 541                 Buffer * b = first;
 542                 // We cannot use a for loop as the buffer list is a cycle.
 543                 do {
 544                         if (!b->isClean()) {
 545                                 enable = true;
 546                                 break;
 547                         }
 548                         b = theBufferList().next(b);
 549                 } while (b != first);
 550                 break;
 551         }
 552
 553         case LFUN_BOOKMARK_GOTO: {
 554                 const unsigned int num = convert<unsigned int>(to_utf8(cmd.argument()));
 555                 enable = LyX::ref().session().bookmarks().isValid(num);
 556                 break;
 557         }
 558
 559         case LFUN_BOOKMARK_CLEAR:
 560                 enable = LyX::ref().session().bookmarks().size() > 0;
 561                 break;
 562
 563         // this one is difficult to get right. As a half-baked
 564         // solution, we consider only the first action of the sequence
 565         case LFUN_COMMAND_SEQUENCE: {
 566                 // argument contains ';'-terminated commands
 567                 string const firstcmd = token(to_utf8(cmd.argument()), ';', 0);
 568                 FuncRequest func(lyxaction.lookupFunc(firstcmd));
 569                 func.origin = cmd.origin;
 570                 flag = getStatus(func);
 571                 break;
 572         }
 573
 574         case LFUN_CALL: {
 575                 FuncRequest func;
 576                 string name = to_utf8(cmd.argument());
 577                 if (LyX::ref().topLevelCmdDef().lock(name, func)) {
 578                         func.origin = cmd.origin;
 579                         flag = getStatus(func);
 580                         LyX::ref().topLevelCmdDef().release(name);
 581                 } else {
 582                         // catch recursion or unknown command definiton
 583                         // all operations until the recursion or unknown command
 584                         // definiton occures are performed, so set the state to enabled
 585                         enable = true;
 586                 }
 587                 break;
 588         }
 589
 590         case LFUN_BUFFER_NEW:
 591         case LFUN_BUFFER_NEW_TEMPLATE:
 592         case LFUN_WORD_FIND_FORWARD:
 593         case LFUN_WORD_FIND_BACKWARD:
 594         case LFUN_COMMAND_PREFIX:
 595         case LFUN_COMMAND_EXECUTE:
 596         case LFUN_CANCEL:
 597         case LFUN_META_PREFIX:
 598         case LFUN_BUFFER_CLOSE:
 599         case LFUN_BUFFER_UPDATE:
 600         case LFUN_BUFFER_VIEW:
 601         case LFUN_MASTER_BUFFER_UPDATE:
 602         case LFUN_MASTER_BUFFER_VIEW:
 603         case LFUN_BUFFER_IMPORT:
 604         case LFUN_BUFFER_AUTO_SAVE:
 605         case LFUN_RECONFIGURE:
 606         case LFUN_HELP_OPEN:
 607         case LFUN_FILE_OPEN:
 608         case LFUN_DROP_LAYOUTS_CHOICE:
 609         case LFUN_MENU_OPEN:
 610         case LFUN_SERVER_GET_NAME:
 611         case LFUN_SERVER_NOTIFY:
 612         case LFUN_SERVER_GOTO_FILE_ROW:
 613         case LFUN_DIALOG_HIDE:
 614         case LFUN_DIALOG_DISCONNECT_INSET:
 615         case LFUN_BUFFER_CHILD_OPEN:
 616         case LFUN_UI_TOGGLE:
 617         case LFUN_TOGGLE_CURSOR_FOLLOWS_SCROLLBAR:
 618         case LFUN_KEYMAP_OFF:
 619         case LFUN_KEYMAP_PRIMARY:
 620         case LFUN_KEYMAP_SECONDARY:
 621         case LFUN_KEYMAP_TOGGLE:
 622         case LFUN_REPEAT:
 623         case LFUN_BUFFER_EXPORT_CUSTOM:
 624         case LFUN_BUFFER_PRINT:
 625         case LFUN_PREFERENCES_SAVE:
 626         case LFUN_SCREEN_FONT_UPDATE:
 627         case LFUN_SET_COLOR:
 628         case LFUN_MESSAGE:
 629         case LFUN_EXTERNAL_EDIT:
 630         case LFUN_GRAPHICS_EDIT:
 631         case LFUN_ALL_INSETS_TOGGLE:
 632         case LFUN_BUFFER_LANGUAGE:
 633         case LFUN_TEXTCLASS_APPLY:
 634         case LFUN_TEXTCLASS_LOAD:
 635         case LFUN_BUFFER_SAVE_AS_DEFAULT:
 636         case LFUN_BUFFER_PARAMS_APPLY:
 637         case LFUN_LAYOUT_MODULES_CLEAR:
 638         case LFUN_LAYOUT_MODULE_ADD:
 639         case LFUN_LAYOUT_RELOAD:
 640         case LFUN_LYXRC_APPLY:
 641         case LFUN_BUFFER_NEXT:
 642         case LFUN_BUFFER_PREVIOUS:
 643         case LFUN_WINDOW_NEW:
 644         case LFUN_LYX_QUIT:
 645                 // these are handled in our dispatch()
 646                 break;
 647
 648         default:
 649                 if (!view()) {
 650                         enable = false;
 651                         break;
 652                 }
 653                 if (!getLocalStatus(view()->cursor(), cmd, flag))
 654                         flag = view()->getStatus(cmd);
 655         }
 656
 657         if (!enable)
 658                 flag.enabled(false);
 659
 660         // Can we use a readonly buffer?
 661         if (buf && buf->isReadonly()
 662             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 663             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 664                 flag.message(from_utf8(N_("Document is read-only")));
 665                 flag.enabled(false);
 666         }
 667
 668         // Are we in a DELETED change-tracking region?
 669         if (buf && view()
 670                 && lookupChangeType(view()->cursor(), true) == Change::DELETED
 671             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 672             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 673                 flag.message(from_utf8(N_("This portion of the document is deleted.")));
 674                 flag.enabled(false);
 675         }
 676
 677         // the default error message if we disable the command
 678         if (!flag.enabled() && flag.message().empty())
 679                 flag.message(from_utf8(N_("Command disabled")));
 680
 681         return flag;
 682 }
 683
 684
 685 bool LyXFunc::ensureBufferClean(BufferView * bv)
 686 {
 687         Buffer & buf = bv->buffer();
 688         if (buf.isClean())
 689                 return true;
 690
 691         docstring const file = buf.fileName().displayName(30);
 692         docstring text = bformat(_("The document %1$s has unsaved "
 693                                              "changes.\n\nDo you want to save "
 694                                              "the document?"), file);
 695         int const ret = Alert::prompt(_("Save changed document?"),
 696                                       text, 0, 1, _("&Save"),
 697                                       _("&Cancel"));
 698
 699         if (ret == 0)
 700                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
 701
 702         return buf.isClean();
 703 }
 704
 705
 706 namespace {
 707
 708 void showPrintError(string const & name)
 709 {
 710         docstring str = bformat(_("Could not print the document %1$s.\n"
 711                                             "Check that your printer is set up correctly."),
 712                              makeDisplayPath(name, 50));
 713         Alert::error(_("Print document failed"), str);
 714 }
 715
 716
 717 void loadTextClass(string const & name, string const & buf_path)
 718 {
 719         pair<bool, BaseClassIndex> const tc_pair =
 720                 baseclasslist.numberOfClass(name);
 721
 722         if (!tc_pair.first) {
 723                 lyxerr << "Document class \"" << name
 724                        << "\" does not exist."
 725                        << endl;
 726                 return;
 727         }
 728
 729         BaseClassIndex const tc = tc_pair.second;
 730
 731         if (!baseclasslist[tc].load(buf_path)) {
 732                 docstring s = bformat(_("The document class %1$s."
 733                                    "could not be loaded."),
 734                                    from_utf8(baseclasslist[tc].name()));
 735                 Alert::error(_("Could not load class"), s);
 736         }
 737 }
 738
 739
 740 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new);
 741
 742 } //namespace anon
 743
 744
 745 void LyXFunc::dispatch(FuncRequest const & cmd)
 746 {
 747         string const argument = to_utf8(cmd.argument());
 748         kb_action const action = cmd.action;
 749
 750         LYXERR(Debug::ACTION, "\nLyXFunc::dispatch: cmd: " << cmd);
 751         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 752
 753         // we have not done anything wrong yet.
 754         errorstat = false;
 755         dispatch_buffer.erase();
 756
 757         // redraw the screen at the end (first of the two drawing steps).
 758         //This is done unless explicitely requested otherwise
 759         Update::flags updateFlags = Update::FitCursor;
 760
 761         FuncStatus const flag = getStatus(cmd);
 762         if (!flag.enabled()) {
 763                 // We cannot use this function here
 764                 LYXERR(Debug::ACTION, "LyXFunc::dispatch: "
 765                        << lyxaction.getActionName(action)
 766                        << " [" << action << "] is disabled at this location");
 767                 setErrorMessage(flag.message());
 768         } else {
 769                 switch (action) {
 770
 771                 case LFUN_WORD_FIND_FORWARD:
 772                 case LFUN_WORD_FIND_BACKWARD: {
 773                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
 774                         static docstring last_search;
 775                         docstring searched_string;
 776
 777                         if (!cmd.argument().empty()) {
 778                                 last_search = cmd.argument();
 779                                 searched_string = cmd.argument();
 780                         } else {
 781                                 searched_string = last_search;
 782                         }
 783
 784                         if (searched_string.empty())
 785                                 break;
 786
 787                         bool const fw = action == LFUN_WORD_FIND_FORWARD;
 788                         docstring const data =
 789                                 find2string(searched_string, true, false, fw);
 790                         find(view(), FuncRequest(LFUN_WORD_FIND, data));
 791                         break;
 792                 }
 793
 794                 case LFUN_COMMAND_PREFIX:
 795                         BOOST_ASSERT(lyx_view_);
 796                         lyx_view_->message(keyseq.printOptions(true));
 797                         break;
 798
 799                 case LFUN_CANCEL:
 800                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
 801                         keyseq.reset();
 802                         meta_fake_bit = NoModifier;
 803                         if (lyx_view_->buffer())
 804                                 // cancel any selection
 805                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 806                         setMessage(from_ascii(N_("Cancel")));
 807                         break;
 808
 809                 case LFUN_META_PREFIX:
 810                         meta_fake_bit = AltModifier;
 811                         setMessage(keyseq.print(KeySequence::ForGui));
 812                         break;
 813
 814                 case LFUN_BUFFER_TOGGLE_READ_ONLY: {
 815                         BOOST_ASSERT(lyx_view_ && lyx_view_->view() && lyx_view_->buffer());
 816                         Buffer * buf = lyx_view_->buffer();
 817                         if (buf->lyxvc().inUse())
 818                                 buf->lyxvc().toggleReadOnly();
 819                         else
 820                                 buf->setReadonly(!lyx_view_->buffer()->isReadonly());
 821                         break;
 822                 }
 823
 824                 // --- Menus -----------------------------------------------
 825                 case LFUN_BUFFER_NEW:
 826                         lyx_view_->newDocument(argument, false);
 827                         updateFlags = Update::None;
 828                         break;
 829
 830                 case LFUN_BUFFER_NEW_TEMPLATE:
 831                         lyx_view_->newDocument(argument, true);
 832                         updateFlags = Update::None;
 833                         break;
 834
 835                 case LFUN_BUFFER_CLOSE:
 836                         closeBuffer();
 837                         updateFlags = Update::None;
 838                         break;
 839
 840                 case LFUN_BUFFER_RELOAD: {
 841                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 842                         docstring const file = makeDisplayPath(lyx_view_->buffer()->absFileName(), 20);
 843                         docstring text = bformat(_("Any changes will be lost. Are you sure "
 844                                                              "you want to revert to the saved version of the document %1$s?"), file);
 845                         int const ret = Alert::prompt(_("Revert to saved document?"),
 846                                 text, 1, 1, _("&Revert"), _("&Cancel"));
 847
 848                         if (ret == 0)
 849                                 reloadBuffer();
 850                         break;
 851                 }
 852
 853                 case LFUN_BUFFER_UPDATE:
 854                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 855                         lyx_view_->buffer()->doExport(argument, true);
 856                         break;
 857
 858                 case LFUN_BUFFER_VIEW:
 859                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 860                         lyx_view_->buffer()->preview(argument);
 861                         break;
 862
 863                 case LFUN_MASTER_BUFFER_UPDATE:
 864                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer() && lyx_view_->buffer()->masterBuffer());
 865                         lyx_view_->buffer()->masterBuffer()->doExport(argument, true);
 866                         break;
 867
 868                 case LFUN_MASTER_BUFFER_VIEW:
 869                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer() && lyx_view_->buffer()->masterBuffer());
 870                         lyx_view_->buffer()->masterBuffer()->preview(argument);
 871                         break;
 872
 873                 case LFUN_BUILD_PROGRAM:
 874                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 875                         lyx_view_->buffer()->doExport("program", true);
 876                         break;
 877
 878                 case LFUN_BUFFER_CHKTEX:
 879                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 880                         lyx_view_->buffer()->runChktex();
 881                         break;
 882
 883                 case LFUN_BUFFER_EXPORT:
 884                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 885                         if (argument == "custom")
 886                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"));
 887                         else
 888                                 lyx_view_->buffer()->doExport(argument, false);
 889                         break;
 890
 891                 case LFUN_BUFFER_EXPORT_CUSTOM: {
 892                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 893                         string format_name;
 894                         string command = split(argument, format_name, ' ');
 895                         Format const * format = formats.getFormat(format_name);
 896                         if (!format) {
 897                                 lyxerr << "Format \"" << format_name
 898                                        << "\" not recognized!"
 899                                        << endl;
 900                                 break;
 901                         }
 902
 903                         Buffer * buffer = lyx_view_->buffer();
 904
 905                         // The name of the file created by the conversion process
 906                         string filename;
 907
 908                         // Output to filename
 909                         if (format->name() == "lyx") {
 910                                 string const latexname = buffer->latexName(false);
 911                                 filename = changeExtension(latexname,
 912                                                            format->extension());
 913                                 filename = addName(buffer->temppath(), filename);
 914
 915                                 if (!buffer->writeFile(FileName(filename)))
 916                                         break;
 917
 918                         } else {
 919                                 buffer->doExport(format_name, true, filename);
 920                         }
 921
 922                         // Substitute $$FName for filename
 923                         if (!contains(command, "$$FName"))
 924                                 command = "( " + command + " ) < $$FName";
 925                         command = subst(command, "$$FName", filename);
 926
 927                         // Execute the command in the background
 928                         Systemcall call;
 929                         call.startscript(Systemcall::DontWait, command);
 930                         break;
 931                 }
 932
 933                 case LFUN_BUFFER_PRINT: {
 934                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
 935                         // FIXME: cmd.getArg() might fail if one of the arguments
 936                         // contains double quotes
 937                         string target = cmd.getArg(0);
 938                         string target_name = cmd.getArg(1);
 939                         string command = cmd.getArg(2);
 940
 941                         if (target.empty()
 942                             || target_name.empty()
 943                             || command.empty()) {
 944                                 lyxerr << "Unable to parse \""
 945                                        << argument << '"' << endl;
 946                                 break;
 947                         }
 948                         if (target != "printer" && target != "file") {
 949                                 lyxerr << "Unrecognized target \""
 950                                        << target << '"' << endl;
 951                                 break;
 952                         }
 953
 954                         Buffer * buffer = lyx_view_->buffer();
 955
 956                         if (!buffer->doExport("dvi", true)) {
 957                                 showPrintError(buffer->absFileName());
 958                                 break;
 959                         }
 960
 961                         // Push directory path.
 962                         string const path = buffer->temppath();
 963                         // Prevent the compiler from optimizing away p
 964                         FileName pp(path);
 965                         PathChanger p(pp);
 966
 967                         // there are three cases here:
 968                         // 1. we print to a file
 969                         // 2. we print directly to a printer
 970                         // 3. we print using a spool command (print to file first)
 971                         Systemcall one;
 972                         int res = 0;
 973                         string const dviname =
 974                                 changeExtension(buffer->latexName(true), "dvi");
 975
 976                         if (target == "printer") {
 977                                 if (!lyxrc.print_spool_command.empty()) {
 978                                         // case 3: print using a spool
 979                                         string const psname =
 980                                                 changeExtension(dviname,".ps");
 981                                         command += ' ' + lyxrc.print_to_file
 982                                                 + quoteName(psname)
 983                                                 + ' '
 984                                                 + quoteName(dviname);
 985
 986                                         string command2 =
 987                                                 lyxrc.print_spool_command + ' ';
 988                                         if (target_name != "default") {
 989                                                 command2 += lyxrc.print_spool_printerprefix
 990                                                         + target_name
 991                                                         + ' ';
 992                                         }
 993                                         command2 += quoteName(psname);
 994                                         // First run dvips.
 995                                         // If successful, then spool command
 996                                         res = one.startscript(
 997                                                 Systemcall::Wait,
 998                                                 command);
 999
1000                                         if (res == 0)
1001                                                 res = one.startscript(
1002                                                         Systemcall::DontWait,
1003                                                         command2);
1004                                 } else {
1005                                         // case 2: print directly to a printer
1006                                         if (target_name != "default")
1007                                                 command += ' ' + lyxrc.print_to_printer + target_name + ' ';
1008                                         res = one.startscript(
1009                                                 Systemcall::DontWait,
1010                                                 command + quoteName(dviname));
1011                                 }
1012
1013                         } else {
1014                                 // case 1: print to a file
1015                                 FileName const filename(makeAbsPath(target_name,
1016                                                         lyx_view_->buffer()->filePath()));
1017                                 FileName const dvifile(makeAbsPath(dviname, path));
1018                                 if (filename.exists()) {
1019                                         docstring text = bformat(
1020                                                 _("The file %1$s already exists.\n\n"
1021                                                   "Do you want to overwrite that file?"),
1022                                                 makeDisplayPath(filename.absFilename()));
1023                                         if (Alert::prompt(_("Overwrite file?"),
1024                                             text, 0, 1, _("&Overwrite"), _("&Cancel")) != 0)
1025                                                 break;
1026                                 }
1027                                 command += ' ' + lyxrc.print_to_file
1028                                         + quoteName(filename.toFilesystemEncoding())
1029                                         + ' '
1030                                         + quoteName(dvifile.toFilesystemEncoding());
1031                                 res = one.startscript(Systemcall::DontWait,
1032                                                       command);
1033                         }
1034
1035                         if (res != 0)
1036                                 showPrintError(buffer->absFileName());
1037                         break;
1038                 }
1039
1040                 // FIXME: There is need for a command-line import.
1041                 /*
1042                 case LFUN_BUFFER_IMPORT:
1043                         doImport(argument);
1044                         break;
1045                 */
1046
1047                 case LFUN_BUFFER_AUTO_SAVE:
1048                         lyx_view_->buffer()->autoSave();
1049                         break;
1050
1051                 case LFUN_RECONFIGURE:
1052                         BOOST_ASSERT(lyx_view_);
1053                         // argument is any additional parameter to the configure.py command
1054                         reconfigure(*lyx_view_, argument);
1055                         break;
1056
1057                 case LFUN_HELP_OPEN: {
1058                         BOOST_ASSERT(lyx_view_);
1059                         string const arg = argument;
1060                         if (arg.empty()) {
1061                                 setErrorMessage(from_ascii(N_("Missing argument")));
1062                                 break;
1063                         }
1064                         FileName const fname = i18nLibFileSearch("doc", arg, "lyx");
1065                         if (fname.empty()) {
1066                                 lyxerr << "LyX: unable to find documentation file `"
1067                                                          << arg << "'. Bad installation?" << endl;
1068                                 break;
1069                         }
1070                         lyx_view_->message(bformat(_("Opening help file %1$s..."),
1071                                 makeDisplayPath(fname.absFilename())));
1072                         Buffer * buf = lyx_view_->loadDocument(fname, false);
1073                         if (buf) {
1074                                 updateLabels(*buf);
1075                                 lyx_view_->setBuffer(buf);
1076                                 buf->errors("Parse");
1077                         }
1078                         updateFlags = Update::None;
1079                         break;
1080                 }
1081
1082                 // --- version control -------------------------------
1083                 case LFUN_VC_REGISTER:
1084                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1085                         if (!ensureBufferClean(view()))
1086                                 break;
1087                         if (!lyx_view_->buffer()->lyxvc().inUse()) {
1088                                 lyx_view_->buffer()->lyxvc().registrer();
1089                                 reloadBuffer();
1090                         }
1091                         updateFlags = Update::Force;
1092                         break;
1093
1094                 case LFUN_VC_CHECK_IN:
1095                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1096                         if (!ensureBufferClean(view()))
1097                                 break;
1098                         if (lyx_view_->buffer()->lyxvc().inUse()
1099                                         && !lyx_view_->buffer()->isReadonly()) {
1100                                 lyx_view_->buffer()->lyxvc().checkIn();
1101                                 reloadBuffer();
1102                         }
1103                         break;
1104
1105                 case LFUN_VC_CHECK_OUT:
1106                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1107                         if (!ensureBufferClean(view()))
1108                                 break;
1109                         if (lyx_view_->buffer()->lyxvc().inUse()
1110                                         && lyx_view_->buffer()->isReadonly()) {
1111                                 lyx_view_->buffer()->lyxvc().checkOut();
1112                                 reloadBuffer();
1113                         }
1114                         break;
1115
1116                 case LFUN_VC_REVERT:
1117                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1118                         lyx_view_->buffer()->lyxvc().revert();
1119                         reloadBuffer();
1120                         break;
1121
1122                 case LFUN_VC_UNDO_LAST:
1123                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1124                         lyx_view_->buffer()->lyxvc().undoLast();
1125                         reloadBuffer();
1126                         break;
1127
1128                 // --- lyxserver commands ----------------------------
1129                 case LFUN_SERVER_GET_NAME:
1130                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1131                         setMessage(from_utf8(lyx_view_->buffer()->absFileName()));
1132                         LYXERR(Debug::INFO, "FNAME["
1133                                 << lyx_view_->buffer()->absFileName() << ']');
1134                         break;
1135
1136                 case LFUN_SERVER_NOTIFY:
1137                         dispatch_buffer = keyseq.print(KeySequence::Portable);
1138                         theServer().notifyClient(to_utf8(dispatch_buffer));
1139                         break;
1140
1141                 case LFUN_SERVER_GOTO_FILE_ROW: {
1142                         BOOST_ASSERT(lyx_view_);
1143                         string file_name;
1144                         int row;
1145                         istringstream is(argument);
1146                         is >> file_name >> row;
1147                         Buffer * buf = 0;
1148                         bool loaded = false;
1149                         if (prefixIs(file_name, package().temp_dir().absFilename()))
1150                                 // Needed by inverse dvi search. If it is a file
1151                                 // in tmpdir, call the apropriated function
1152                                 buf = theBufferList().getBufferFromTmp(file_name);
1153                         else {
1154                                 // Must replace extension of the file to be .lyx
1155                                 // and get full path
1156                                 FileName const s = fileSearch(string(), changeExtension(file_name, ".lyx"), "lyx");
1157                                 // Either change buffer or load the file
1158                                 if (theBufferList().exists(s.absFilename()))
1159                                         buf = theBufferList().getBuffer(s.absFilename());
1160                                 else {
1161                                         buf = lyx_view_->loadDocument(s);
1162                                         loaded = true;
1163                                 }
1164                         }
1165
1166                         if (!buf) {
1167                                 updateFlags = Update::None;
1168                                 break;
1169                         }
1170
1171                         updateLabels(*buf);
1172                         lyx_view_->setBuffer(buf);
1173                         view()->setCursorFromRow(row);
1174                         if (loaded)
1175                                 buf->errors("Parse");
1176                         updateFlags = Update::FitCursor;
1177                         break;
1178                 }
1179
1180
1181                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1182                         BOOST_ASSERT(lyx_view_);
1183                         string const name = cmd.getArg(0);
1184                         InsetCode code = insetCode(name);
1185                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1186                         bool insetCodeOK = true;
1187                         switch (code) {
1188                         case BIBITEM_CODE:
1189                         case BIBTEX_CODE:
1190                         case INDEX_CODE:
1191                         case LABEL_CODE:
1192                         case NOMENCL_CODE:
1193                         case REF_CODE:
1194                         case TOC_CODE:
1195                         case HYPERLINK_CODE: {
1196                                 InsetCommandParams p(code);
1197                                 data = InsetCommandMailer::params2string(name, p);
1198                                 break;
1199                         }
1200                         case INCLUDE_CODE: {
1201                                 // data is the include type: one of "include",
1202                                 // "input", "verbatiminput" or "verbatiminput*"
1203                                 if (data.empty())
1204                                         // default type is requested
1205                                         data = "include";
1206                                 InsetCommandParams p(INCLUDE_CODE, data);
1207                                 data = InsetCommandMailer::params2string("include", p);
1208                                 break;
1209                         }
1210                         case BOX_CODE: {
1211                                 // \c data == "Boxed" || "Frameless" etc
1212                                 InsetBoxParams p(data);
1213                                 data = InsetBoxMailer::params2string(p);
1214                                 break;
1215                         }
1216                         case BRANCH_CODE: {
1217                                 InsetBranchParams p;
1218                                 data = InsetBranchMailer::params2string(p);
1219                                 break;
1220                         }
1221                         case CITE_CODE: {
1222                                 InsetCommandParams p(CITE_CODE);
1223                                 data = InsetCommandMailer::params2string(name, p);
1224                                 break;
1225                         }
1226                         case ERT_CODE: {
1227                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1228                                 break;
1229                         }
1230                         case EXTERNAL_CODE: {
1231                                 InsetExternalParams p;
1232                                 Buffer const & buffer = *lyx_view_->buffer();
1233                                 data = InsetExternalMailer::params2string(p, buffer);
1234                                 break;
1235                         }
1236                         case FLOAT_CODE:  {
1237                                 InsetFloatParams p;
1238                                 data = InsetFloatMailer::params2string(p);
1239                                 break;
1240                         }
1241                         case LISTINGS_CODE: {
1242                                 InsetListingsParams p;
1243                                 data = InsetListingsMailer::params2string(p);
1244                                 break;
1245                         }
1246                         case GRAPHICS_CODE: {
1247                                 InsetGraphicsParams p;
1248                                 Buffer const & buffer = *lyx_view_->buffer();
1249                                 data = InsetGraphicsMailer::params2string(p, buffer);
1250                                 break;
1251                         }
1252                         case NOTE_CODE: {
1253                                 InsetNoteParams p;
1254                                 data = InsetNoteMailer::params2string(p);
1255                                 break;
1256                         }
1257                         case VSPACE_CODE: {
1258                                 VSpace space;
1259                                 data = InsetVSpaceMailer::params2string(space);
1260                                 break;
1261                         }
1262                         case WRAP_CODE: {
1263                                 InsetWrapParams p;
1264                                 data = InsetWrapMailer::params2string(p);
1265                                 break;
1266                         }
1267                         default:
1268                                 lyxerr << "Inset type '" << name <<
1269                                         "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" <<  endl;
1270                                 insetCodeOK = false;
1271                                 break;
1272                         } // end switch(code)
1273                         if (insetCodeOK)
1274                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
1275                         break;
1276                 }
1277
1278                 case LFUN_CITATION_INSERT: {
1279                         BOOST_ASSERT(lyx_view_);
1280                         if (!argument.empty()) {
1281                                 // we can have one optional argument, delimited by '|'
1282                                 // citation-insert <key>|<text_before>
1283                                 // this should be enhanced to also support text_after
1284                                 // and citation style
1285                                 string arg = argument;
1286                                 string opt1;
1287                                 if (contains(argument, "|")) {
1288                                         arg = token(argument, '|', 0);
1289                                         opt1 = token(argument, '|', 1);
1290                                 }
1291                                 InsetCommandParams icp(CITE_CODE);
1292                                 icp["key"] = from_utf8(arg);
1293                                 if (!opt1.empty())
1294                                         icp["before"] = from_utf8(opt1);
1295                                 string icstr = InsetCommandMailer::params2string("citation", icp);
1296                                 FuncRequest fr(LFUN_INSET_INSERT, icstr);
1297                                 dispatch(fr);
1298                         } else
1299                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
1300                         break;
1301                 }
1302
1303                 case LFUN_BUFFER_CHILD_OPEN: {
1304                         BOOST_ASSERT(lyx_view_ && lyx_view_->buffer());
1305                         Buffer * parent = lyx_view_->buffer();
1306                         FileName filename = makeAbsPath(argument, parent->filePath());
1307                         view()->saveBookmark(false);
1308                         Buffer * child = 0;
1309                         bool parsed = false;
1310                         if (theBufferList().exists(filename.absFilename())) {
1311                                 child = theBufferList().getBuffer(filename.absFilename());
1312                         } else {
1313                                 setMessage(bformat(_("Opening child document %1$s..."),
1314                                         makeDisplayPath(filename.absFilename())));
1315                                 child = lyx_view_->loadDocument(filename, false);
1316                                 parsed = true;
1317                         }
1318                         if (child) {
1319                                 // Set the parent name of the child document.
1320                                 // This makes insertion of citations and references in the child work,
1321                                 // when the target is in the parent or another child document.
1322                                 child->setParent(parent);
1323                                 updateLabels(*child->masterBuffer());
1324                                 lyx_view_->setBuffer(child);
1325                                 if (parsed)
1326                                         child->errors("Parse");
1327                         }
1328
1329                         // If a screen update is required (in case where auto_open is false),
1330                         // setBuffer() would have taken care of it already. Otherwise we shall
1331                         // reset the update flag because it can cause a circular problem.
1332                         // See bug 3970.
1333                         updateFlags = Update::None;
1334                         break;
1335                 }
1336
1337                 case LFUN_TOGGLE_CURSOR_FOLLOWS_SCROLLBAR:
1338                         BOOST_ASSERT(lyx_view_);
1339                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1340                         break;
1341
1342                 case LFUN_KEYMAP_OFF:
1343                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1344                         lyx_view_->view()->getIntl().keyMapOn(false);
1345                         break;
1346
1347                 case LFUN_KEYMAP_PRIMARY:
1348                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1349                         lyx_view_->view()->getIntl().keyMapPrim();
1350                         break;
1351
1352                 case LFUN_KEYMAP_SECONDARY:
1353                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1354                         lyx_view_->view()->getIntl().keyMapSec();
1355                         break;
1356
1357                 case LFUN_KEYMAP_TOGGLE:
1358                         BOOST_ASSERT(lyx_view_ && lyx_view_->view());
1359                         lyx_view_->view()->getIntl().toggleKeyMap();
1360                         break;
1361
1362                 case LFUN_REPEAT: {
1363                         // repeat command
1364                         string countstr;
1365                         string rest = split(argument, countstr, ' ');
1366                         istringstream is(countstr);
1367                         int count = 0;
1368                         is >> count;
1369                         lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1370                         for (int i = 0; i < count; ++i)
1371                                 dispatch(lyxaction.lookupFunc(rest));
1372                         break;
1373                 }
1374
1375                 case LFUN_COMMAND_SEQUENCE: {
1376                         // argument contains ';'-terminated commands
1377                         string arg = argument;
1378                         while (!arg.empty()) {
1379                                 string first;
1380                                 arg = split(arg, first, ';');
1381                                 FuncRequest func(lyxaction.lookupFunc(first));
1382                                 func.origin = cmd.origin;
1383                                 dispatch(func);
1384                         }
1385                         break;
1386                 }
1387
1388                 case LFUN_CALL: {
1389                         FuncRequest func;
1390                         if (LyX::ref().topLevelCmdDef().lock(argument, func)) {
1391                                 func.origin = cmd.origin;
1392                                 dispatch(func);
1393                                 LyX::ref().topLevelCmdDef().release(argument);
1394                         } else {
1395                                 if (func.action == LFUN_UNKNOWN_ACTION) {
1396                                         // unknown command definition
1397                                         lyxerr << "Warning: unknown command definition `"
1398                                                    << argument << "'"
1399                                                    << endl;
1400                                 } else {
1401                                         // recursion detected
1402                                         lyxerr << "Warning: Recursion in the command definition `"
1403                                                    << argument << "' detected"
1404                                                    << endl;
1405                                 }
1406                         }
1407                         break;
1408                 }
1409
1410                 case LFUN_PREFERENCES_SAVE: {
1411                         lyxrc.write(makeAbsPath("preferences",
1412                                                 package().user_support().absFilename()),
1413                                     false);
1414                         break;
1415                 }
1416
1417                 case LFUN_SET_COLOR: {
1418                         string lyx_name;
1419                         string const x11_name = split(argument, lyx_name, ' ');
1420                         if (lyx_name.empty() || x11_name.empty()) {
1421                                 setErrorMessage(from_ascii(N_(
1422                                                 "Syntax: set-color <lyx_name>"
1423                                                 " <x11_name>")));
1424                                 break;
1425                         }
1426
1427                         bool const graphicsbg_changed =
1428                                 (lyx_name == lcolor.getLyXName(Color_graphicsbg) &&
1429                                  x11_name != lcolor.getX11Name(Color_graphicsbg));
1430
1431                         if (!lcolor.setColor(lyx_name, x11_name)) {
1432                                 setErrorMessage(
1433                                                 bformat(_("Set-color \"%1$s\" failed "
1434                                                                        "- color is undefined or "
1435                                                                        "may not be redefined"),
1436                                                                            from_utf8(lyx_name)));
1437                                 break;
1438                         }
1439
1440                         theApp()->updateColor(lcolor.getFromLyXName(lyx_name));
1441
1442                         if (graphicsbg_changed) {
1443                                 // FIXME: The graphics cache no longer has a changeDisplay method.
1444 #if 0
1445                                 graphics::GCache::get().changeDisplay(true);
1446 #endif
1447                         }
1448                         break;
1449                 }
1450
1451                 case LFUN_MESSAGE:
1452                         BOOST_ASSERT(lyx_view_);
1453                         lyx_view_->message(from_utf8(argument));
1454                         break;
1455
1456                 case LFUN_EXTERNAL_EDIT: {
1457                         BOOST_ASSERT(lyx_view_);
1458                         FuncRequest fr(action, argument);
1459                         InsetExternal().dispatch(view()->cursor(), fr);
1460                         break;
1461                 }
1462
1463                 case LFUN_GRAPHICS_EDIT: {
1464                         FuncRequest fr(action, argument);
1465                         InsetGraphics().dispatch(view()->cursor(), fr);
1466                         break;
1467                 }
1468
1469                 case LFUN_ALL_INSETS_TOGGLE: {
1470                         BOOST_ASSERT(lyx_view_);
1471                         string action;
1472                         string const name = split(argument, action, ' ');
1473                         InsetCode const inset_code = insetCode(name);
1474
1475                         Cursor & cur = view()->cursor();
1476                         FuncRequest fr(LFUN_INSET_TOGGLE, action);
1477
1478                         Inset & inset = lyx_view_->buffer()->inset();
1479                         InsetIterator it  = inset_iterator_begin(inset);
1480                         InsetIterator const end = inset_iterator_end(inset);
1481                         for (; it != end; ++it) {
1482                                 if (!it->asInsetMath()
1483                                     && (inset_code == NO_CODE
1484                                     || inset_code == it->lyxCode())) {
1485                                         Cursor tmpcur = cur;
1486                                         tmpcur.pushBackward(*it);
1487                                         it->dispatch(tmpcur, fr);
1488                                 }
1489                         }
1490                         updateFlags = Update::Force | Update::FitCursor;
1491                         break;
1492                 }
1493
1494                 case LFUN_BUFFER_LANGUAGE: {
1495                         BOOST_ASSERT(lyx_view_);
1496                         Buffer & buffer = *lyx_view_->buffer();
1497                         Language const * oldL = buffer.params().language;
1498                         Language const * newL = languages.getLanguage(argument);
1499                         if (!newL || oldL == newL)
1500                                 break;
1501
1502                         if (oldL->rightToLeft() == newL->rightToLeft()
1503                             && !buffer.isMultiLingual())
1504                                 buffer.changeLanguage(oldL, newL);
1505                         break;
1506                 }
1507
1508                 case LFUN_BUFFER_SAVE_AS_DEFAULT: {
1509                         string const fname =
1510                                 addName(addPath(package().user_support().absFilename(), "templates/"),
1511                                         "defaults.lyx");
1512                         Buffer defaults(fname);
1513
1514                         istringstream ss(argument);
1515                         Lexer lex(0,0);
1516                         lex.setStream(ss);
1517                         int const unknown_tokens = defaults.readHeader(lex);
1518
1519                         if (unknown_tokens != 0) {
1520                                 lyxerr << "Warning in LFUN_BUFFER_SAVE_AS_DEFAULT!\n"
1521                                        << unknown_tokens << " unknown token"
1522                                        << (unknown_tokens == 1 ? "" : "s")
1523                                        << endl;
1524                         }
1525
1526                         if (defaults.writeFile(FileName(defaults.absFileName())))
1527                                 setMessage(bformat(_("Document defaults saved in %1$s"),
1528                                                    makeDisplayPath(fname)));
1529                         else
1530                                 setErrorMessage(from_ascii(N_("Unable to save document defaults")));
1531                         break;
1532                 }
1533
1534                 case LFUN_BUFFER_PARAMS_APPLY: {
1535                         BOOST_ASSERT(lyx_view_);
1536                         biblio::CiteEngine const oldEngine =
1537                                         lyx_view_->buffer()->params().getEngine();
1538
1539                         Buffer * buffer = lyx_view_->buffer();
1540
1541                         TextClassPtr oldClass = buffer->params().textClassPtr();
1542
1543                         Cursor & cur = view()->cursor();
1544                         cur.recordUndoFullDocument();
1545
1546                         istringstream ss(argument);
1547                         Lexer lex(0,0);
1548                         lex.setStream(ss);
1549                         int const unknown_tokens = buffer->readHeader(lex);
1550
1551                         if (unknown_tokens != 0) {
1552                                 lyxerr << "Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1553                                                 << unknown_tokens << " unknown token"
1554                                                 << (unknown_tokens == 1 ? "" : "s")
1555                                                 << endl;
1556                         }
1557
1558                         updateLayout(oldClass, buffer);
1559
1560                         biblio::CiteEngine const newEngine =
1561                                         lyx_view_->buffer()->params().getEngine();
1562
1563                         if (oldEngine != newEngine) {
1564                                 FuncRequest fr(LFUN_INSET_REFRESH);
1565
1566                                 Inset & inset = lyx_view_->buffer()->inset();
1567                                 InsetIterator it  = inset_iterator_begin(inset);
1568                                 InsetIterator const end = inset_iterator_end(inset);
1569                                 for (; it != end; ++it)
1570                                         if (it->lyxCode() == CITE_CODE)
1571                                                 it->dispatch(cur, fr);
1572                         }
1573
1574                         updateFlags = Update::Force | Update::FitCursor;
1575                         // We are here most certainaly because of a change in the document
1576                         // It is then better to make sure that all dialogs are in sync
1577                         // with current document settings. LyXView::restartCursor() achieve this.
1578                         lyx_view_->restartCursor();
1579                         break;
1580                 }
1581
1582                 case LFUN_LAYOUT_MODULES_CLEAR: {
1583                         BOOST_ASSERT(lyx_view_);
1584                         Buffer * buffer = lyx_view_->buffer();
1585                         TextClassPtr oldClass = buffer->params().textClassPtr();
1586                         view()->cursor().recordUndoFullDocument();
1587                         buffer->params().clearLayoutModules();
1588                         buffer->params().makeTextClass();
1589                         updateLayout(oldClass, buffer);
1590                         updateFlags = Update::Force | Update::FitCursor;
1591                         break;
1592                 }
1593
1594                 case LFUN_LAYOUT_MODULE_ADD: {
1595                         BOOST_ASSERT(lyx_view_);
1596                         Buffer * buffer = lyx_view_->buffer();
1597                         TextClassPtr oldClass = buffer->params().textClassPtr();
1598                         view()->cursor().recordUndoFullDocument();
1599                         buffer->params().addLayoutModule(argument);
1600                         buffer->params().makeTextClass();
1601                         updateLayout(oldClass, buffer);
1602                         updateFlags = Update::Force | Update::FitCursor;
1603                         break;
1604                 }
1605
1606                 case LFUN_TEXTCLASS_APPLY: {
1607                         BOOST_ASSERT(lyx_view_);
1608                         Buffer * buffer = lyx_view_->buffer();
1609
1610                         loadTextClass(argument, buffer->filePath());
1611
1612                         pair<bool, BaseClassIndex> const tc_pair =
1613                                 baseclasslist.numberOfClass(argument);
1614
1615                         if (!tc_pair.first)
1616                                 break;
1617
1618                         BaseClassIndex const old_class = buffer->params().baseClass();
1619                         BaseClassIndex const new_class = tc_pair.second;
1620
1621                         if (old_class == new_class)
1622                                 // nothing to do
1623                                 break;
1624
1625                         //Save the old, possibly modular, layout for use in conversion.
1626                         TextClassPtr oldClass = buffer->params().textClassPtr();
1627                         view()->cursor().recordUndoFullDocument();
1628                         buffer->params().setBaseClass(new_class);
1629                         buffer->params().makeTextClass();
1630                         updateLayout(oldClass, buffer);
1631                         updateFlags = Update::Force | Update::FitCursor;
1632                         break;
1633                 }
1634
1635                 case LFUN_LAYOUT_RELOAD: {
1636                         BOOST_ASSERT(lyx_view_);
1637                         Buffer * buffer = lyx_view_->buffer();
1638                         TextClassPtr oldClass = buffer->params().textClassPtr();
1639                         BaseClassIndex const tc = buffer->params().baseClass();
1640                         baseclasslist.reset(tc);
1641                         buffer->params().setBaseClass(tc);
1642                         buffer->params().makeTextClass();
1643                         updateLayout(oldClass, buffer);
1644                         updateFlags = Update::Force | Update::FitCursor;
1645                         break;
1646                 }
1647
1648                 case LFUN_TEXTCLASS_LOAD:
1649                         loadTextClass(argument, lyx_view_->buffer()->filePath());
1650                         break;
1651
1652                 case LFUN_LYXRC_APPLY: {
1653                         LyXRC const lyxrc_orig = lyxrc;
1654
1655                         istringstream ss(argument);
1656                         bool const success = lyxrc.read(ss) == 0;
1657
1658                         if (!success) {
1659                                 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1660                                        << "Unable to read lyxrc data"
1661                                        << endl;
1662                                 break;
1663                         }
1664
1665                         actOnUpdatedPrefs(lyxrc_orig, lyxrc);
1666
1667                         theApp()->resetGui();
1668
1669                         /// We force the redraw in any case because there might be
1670                         /// some screen font changes.
1671                         /// FIXME: only the current view will be updated. the Gui
1672                         /// class is able to furnish the list of views.
1673                         updateFlags = Update::Force;
1674                         break;
1675                 }
1676
1677                 case LFUN_BOOKMARK_GOTO:
1678                         // go to bookmark, open unopened file and switch to buffer if necessary
1679                         gotoBookmark(convert<unsigned int>(to_utf8(cmd.argument())), true, true);
1680                         updateFlags = Update::FitCursor;
1681                         break;
1682
1683                 case LFUN_BOOKMARK_CLEAR:
1684                         LyX::ref().session().bookmarks().clear();
1685                         break;
1686
1687                 default:
1688                         BOOST_ASSERT(theApp());
1689                         // Let the frontend dispatch its own actions.
1690                         if (theApp()->dispatch(cmd))
1691                                 // Nothing more to do.
1692                                 return;
1693
1694                         // Let the current LyXView dispatch its own actions.
1695                         BOOST_ASSERT(lyx_view_);
1696                         if (lyx_view_->dispatch(cmd)) {
1697                                 if (lyx_view_->view())
1698                                         updateFlags = lyx_view_->view()->cursor().result().update();
1699                                 break;
1700                         }
1701
1702                         BOOST_ASSERT(lyx_view_->view());
1703                         // Let the current BufferView dispatch its own actions.
1704                         if (view()->dispatch(cmd)) {
1705                                 // The BufferView took care of its own updates if needed.
1706                                 updateFlags = Update::None;
1707                                 break;
1708                         }
1709
1710                         // Let the current Cursor dispatch its own actions.
1711                         Cursor old = view()->cursor();
1712                         view()->cursor().getPos(cursorPosBeforeDispatchX_,
1713                                                 cursorPosBeforeDispatchY_);
1714                         view()->cursor().dispatch(cmd);
1715
1716                         // notify insets we just left
1717                         if (view()->cursor() != old) {
1718                                 old.fixIfBroken();
1719                                 bool badcursor = notifyCursorLeaves(old, view()->cursor());
1720                                 if (badcursor)
1721                                         view()->cursor().fixIfBroken();
1722                         }
1723
1724                         updateFlags = view()->cursor().result().update();
1725                 }
1726
1727                 if (lyx_view_ && lyx_view_->buffer()) {
1728                         // BufferView::update() updates the ViewMetricsInfo and
1729                         // also initializes the position cache for all insets in
1730                         // (at least partially) visible top-level paragraphs.
1731                         // We will redraw the screen only if needed.
1732                         view()->processUpdateFlags(updateFlags);
1733
1734                         // if we executed a mutating lfun, mark the buffer as dirty
1735                         if (flag.enabled()
1736                             && !lyxaction.funcHasFlag(action, LyXAction::NoBuffer)
1737                             && !lyxaction.funcHasFlag(action, LyXAction::ReadOnly))
1738                                 lyx_view_->buffer()->markDirty();
1739
1740                         //Do we have a selection?
1741                         theSelection().haveSelection(view()->cursor().selection());
1742                 }
1743         }
1744         if (!quitting && lyx_view_) {
1745                 // Some messages may already be translated, so we cannot use _()
1746                 sendDispatchMessage(translateIfPossible(getMessage()), cmd);
1747         }
1748 }
1749
1750
1751 void LyXFunc::sendDispatchMessage(docstring const & msg, FuncRequest const & cmd)
1752 {
1753         const bool verbose = (cmd.origin == FuncRequest::MENU
1754                               || cmd.origin == FuncRequest::TOOLBAR
1755                               || cmd.origin == FuncRequest::COMMANDBUFFER);
1756
1757         if (cmd.action == LFUN_SELF_INSERT || !verbose) {
1758                 LYXERR(Debug::ACTION, "dispatch msg is " << to_utf8(msg));
1759                 if (!msg.empty())
1760                         lyx_view_->message(msg);
1761                 return;
1762         }
1763
1764         docstring dispatch_msg = msg;
1765         if (!dispatch_msg.empty())
1766                 dispatch_msg += ' ';
1767
1768         docstring comname = from_utf8(lyxaction.getActionName(cmd.action));
1769
1770         bool argsadded = false;
1771
1772         if (!cmd.argument().empty()) {
1773                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1774                         comname += ' ' + cmd.argument();
1775                         argsadded = true;
1776                 }
1777         }
1778
1779         docstring const shortcuts = theTopLevelKeymap().printBindings(cmd);
1780
1781         if (!shortcuts.empty())
1782                 comname += ": " + shortcuts;
1783         else if (!argsadded && !cmd.argument().empty())
1784                 comname += ' ' + cmd.argument();
1785
1786         if (!comname.empty()) {
1787                 comname = rtrim(comname);
1788                 dispatch_msg += '(' + rtrim(comname) + ')';
1789         }
1790
1791         LYXERR(Debug::ACTION, "verbose dispatch msg " << to_utf8(dispatch_msg));
1792         if (!dispatch_msg.empty())
1793                 lyx_view_->message(dispatch_msg);
1794 }
1795
1796
1797 void LyXFunc::closeBuffer()
1798 {
1799         // goto bookmark to update bookmark pit.
1800         for (size_t i = 0; i < LyX::ref().session().bookmarks().size(); ++i)
1801                 gotoBookmark(i+1, false, false);
1802
1803         lyx_view_->closeBuffer();
1804 }
1805
1806
1807 void LyXFunc::reloadBuffer()
1808 {
1809         FileName filename = lyx_view_->buffer()->fileName();
1810         // The user has already confirmed that the changes, if any, should
1811         // be discarded. So we just release the Buffer and don't call closeBuffer();
1812         theBufferList().release(lyx_view_->buffer());
1813         Buffer * buf = lyx_view_->loadDocument(filename);
1814         docstring const disp_fn = makeDisplayPath(filename.absFilename());
1815         docstring str;
1816         if (buf) {
1817                 updateLabels(*buf);
1818                 lyx_view_->setBuffer(buf);
1819                 buf->errors("Parse");
1820                 str = bformat(_("Document %1$s reloaded."), disp_fn);
1821         } else {
1822                 str = bformat(_("Could not reload document %1$s"), disp_fn);
1823         }
1824         lyx_view_->message(str);
1825 }
1826
1827 // Each "lyx_view_" should have it's own message method. lyxview and
1828 // the minibuffer would use the minibuffer, but lyxserver would
1829 // send an ERROR signal to its client.  Alejandro 970603
1830 // This function is bit problematic when it comes to NLS, to make the
1831 // lyx servers client be language indepenent we must not translate
1832 // strings sent to this func.
1833 void LyXFunc::setErrorMessage(docstring const & m) const
1834 {
1835         dispatch_buffer = m;
1836         errorstat = true;
1837 }
1838
1839
1840 void LyXFunc::setMessage(docstring const & m) const
1841 {
1842         dispatch_buffer = m;
1843 }
1844
1845
1846 docstring const LyXFunc::viewStatusMessage()
1847 {
1848         // When meta-fake key is pressed, show the key sequence so far + "M-".
1849         if (wasMetaKey())
1850                 return keyseq.print(KeySequence::ForGui) + "M-";
1851
1852         // Else, when a non-complete key sequence is pressed,
1853         // show the available options.
1854         if (keyseq.length() > 0 && !keyseq.deleted())
1855                 return keyseq.printOptions(true);
1856
1857         BOOST_ASSERT(lyx_view_);
1858         if (!lyx_view_->buffer())
1859                 return _("Welcome to LyX!");
1860
1861         return view()->cursor().currentState();
1862 }
1863
1864
1865 BufferView * LyXFunc::view() const
1866 {
1867         BOOST_ASSERT(lyx_view_);
1868         return lyx_view_->view();
1869 }
1870
1871
1872 bool LyXFunc::wasMetaKey() const
1873 {
1874         return (meta_fake_bit != NoModifier);
1875 }
1876
1877
1878 void LyXFunc::updateLayout(TextClassPtr oldlayout,Buffer * buffer)
1879 {
1880         lyx_view_->message(_("Converting document to new document class..."));
1881
1882         StableDocIterator backcur(view()->cursor());
1883         ErrorList & el = buffer->errorList("Class Switch");
1884         cap::switchBetweenClasses(
1885                         oldlayout, buffer->params().textClassPtr(),
1886                         static_cast<InsetText &>(buffer->inset()), el);
1887
1888         view()->setCursor(backcur.asDocIterator(&(buffer->inset())));
1889
1890         buffer->errors("Class Switch");
1891         updateLabels(*buffer);
1892 }
1893
1894
1895 namespace {
1896
1897 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
1898 {
1899         // Why the switch you might ask. It is a trick to ensure that all
1900         // the elements in the LyXRCTags enum is handled. As you can see
1901         // there are no breaks at all. So it is just a huge fall-through.
1902         // The nice thing is that we will get a warning from the compiler
1903         // if we forget an element.
1904         LyXRC::LyXRCTags tag = LyXRC::RC_LAST;
1905         switch (tag) {
1906         case LyXRC::RC_ACCEPT_COMPOUND:
1907         case LyXRC::RC_ALT_LANG:
1908         case LyXRC::RC_PLAINTEXT_ROFF_COMMAND:
1909         case LyXRC::RC_PLAINTEXT_LINELEN:
1910         case LyXRC::RC_AUTOREGIONDELETE:
1911         case LyXRC::RC_AUTORESET_OPTIONS:
1912         case LyXRC::RC_AUTOSAVE:
1913         case LyXRC::RC_AUTO_NUMBER:
1914         case LyXRC::RC_BACKUPDIR_PATH:
1915         case LyXRC::RC_BIBTEX_COMMAND:
1916         case LyXRC::RC_BINDFILE:
1917         case LyXRC::RC_CHECKLASTFILES:
1918         case LyXRC::RC_COMPLETION_INLINE_DELAY:
1919         case LyXRC::RC_COMPLETION_INLINE_DOTS:
1920         case LyXRC::RC_COMPLETION_INLINE_MATH:
1921         case LyXRC::RC_COMPLETION_INLINE_TEXT:
1922         case LyXRC::RC_COMPLETION_POPUP_AFTER_COMPLETE:
1923         case LyXRC::RC_COMPLETION_POPUP_DELAY:
1924         case LyXRC::RC_COMPLETION_POPUP_MATH:
1925         case LyXRC::RC_COMPLETION_POPUP_TEXT:
1926         case LyXRC::RC_USELASTFILEPOS:
1927         case LyXRC::RC_LOADSESSION:
1928         case LyXRC::RC_CHKTEX_COMMAND:
1929         case LyXRC::RC_CONVERTER:
1930         case LyXRC::RC_CONVERTER_CACHE_MAXAGE:
1931         case LyXRC::RC_COPIER:
1932         case LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR:
1933         case LyXRC::RC_CUSTOM_EXPORT_COMMAND:
1934         case LyXRC::RC_CUSTOM_EXPORT_FORMAT:
1935         case LyXRC::RC_DATE_INSERT_FORMAT:
1936         case LyXRC::RC_DEFAULT_LANGUAGE:
1937         case LyXRC::RC_DEFAULT_PAPERSIZE:
1938         case LyXRC::RC_DEFFILE:
1939         case LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN:
1940         case LyXRC::RC_DISPLAY_GRAPHICS:
1941         case LyXRC::RC_DOCUMENTPATH:
1942                 if (lyxrc_orig.document_path != lyxrc_new.document_path) {
1943                         FileName path(lyxrc_new.document_path);
1944                         if (path.exists() && path.isDirectory())
1945                                 package().document_dir() = FileName(lyxrc.document_path);
1946                 }
1947         case LyXRC::RC_ESC_CHARS:
1948         case LyXRC::RC_EXAMPLEPATH:
1949         case LyXRC::RC_FONT_ENCODING:
1950         case LyXRC::RC_FORMAT:
1951         case LyXRC::RC_INDEX_COMMAND:
1952         case LyXRC::RC_INPUT:
1953         case LyXRC::RC_KBMAP:
1954         case LyXRC::RC_KBMAP_PRIMARY:
1955         case LyXRC::RC_KBMAP_SECONDARY:
1956         case LyXRC::RC_LABEL_INIT_LENGTH:
1957         case LyXRC::RC_LANGUAGE_AUTO_BEGIN:
1958         case LyXRC::RC_LANGUAGE_AUTO_END:
1959         case LyXRC::RC_LANGUAGE_COMMAND_BEGIN:
1960         case LyXRC::RC_LANGUAGE_COMMAND_END:
1961         case LyXRC::RC_LANGUAGE_COMMAND_LOCAL:
1962         case LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS:
1963         case LyXRC::RC_LANGUAGE_PACKAGE:
1964         case LyXRC::RC_LANGUAGE_USE_BABEL:
1965         case LyXRC::RC_MACRO_EDIT_STYLE:
1966         case LyXRC::RC_MAKE_BACKUP:
1967         case LyXRC::RC_MARK_FOREIGN_LANGUAGE:
1968         case LyXRC::RC_MOUSE_WHEEL_SPEED:
1969         case LyXRC::RC_NUMLASTFILES:
1970         case LyXRC::RC_PATH_PREFIX:
1971                 if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
1972                         prependEnvPath("PATH", lyxrc.path_prefix);
1973                 }
1974         case LyXRC::RC_PERS_DICT:
1975         case LyXRC::RC_PREVIEW:
1976         case LyXRC::RC_PREVIEW_HASHED_LABELS:
1977         case LyXRC::RC_PREVIEW_SCALE_FACTOR:
1978         case LyXRC::RC_PRINTCOLLCOPIESFLAG:
1979         case LyXRC::RC_PRINTCOPIESFLAG:
1980         case LyXRC::RC_PRINTER:
1981         case LyXRC::RC_PRINTEVENPAGEFLAG:
1982         case LyXRC::RC_PRINTEXSTRAOPTIONS:
1983         case LyXRC::RC_PRINTFILEEXTENSION:
1984         case LyXRC::RC_PRINTLANDSCAPEFLAG:
1985         case LyXRC::RC_PRINTODDPAGEFLAG:
1986         case LyXRC::RC_PRINTPAGERANGEFLAG:
1987         case LyXRC::RC_PRINTPAPERDIMENSIONFLAG:
1988         case LyXRC::RC_PRINTPAPERFLAG:
1989         case LyXRC::RC_PRINTREVERSEFLAG:
1990         case LyXRC::RC_PRINTSPOOL_COMMAND:
1991         case LyXRC::RC_PRINTSPOOL_PRINTERPREFIX:
1992         case LyXRC::RC_PRINTTOFILE:
1993         case LyXRC::RC_PRINTTOPRINTER:
1994         case LyXRC::RC_PRINT_ADAPTOUTPUT:
1995         case LyXRC::RC_PRINT_COMMAND:
1996         case LyXRC::RC_RTL_SUPPORT:
1997         case LyXRC::RC_SCREEN_DPI:
1998         case LyXRC::RC_SCREEN_FONT_ROMAN:
1999         case LyXRC::RC_SCREEN_FONT_ROMAN_FOUNDRY:
2000         case LyXRC::RC_SCREEN_FONT_SANS:
2001         case LyXRC::RC_SCREEN_FONT_SANS_FOUNDRY:
2002         case LyXRC::RC_SCREEN_FONT_SCALABLE:
2003         case LyXRC::RC_SCREEN_FONT_SIZES:
2004         case LyXRC::RC_SCREEN_FONT_TYPEWRITER:
2005         case LyXRC::RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
2006         case LyXRC::RC_GEOMETRY_SESSION:
2007         case LyXRC::RC_SCREEN_ZOOM:
2008         case LyXRC::RC_SERVERPIPE:
2009         case LyXRC::RC_SET_COLOR:
2010         case LyXRC::RC_SHOW_BANNER:
2011         case LyXRC::RC_SPELL_COMMAND:
2012         case LyXRC::RC_TEMPDIRPATH:
2013         case LyXRC::RC_TEMPLATEPATH:
2014         case LyXRC::RC_TEX_ALLOWS_SPACES:
2015         case LyXRC::RC_TEX_EXPECTS_WINDOWS_PATHS:
2016                 if (lyxrc_orig.windows_style_tex_paths != lyxrc_new.windows_style_tex_paths) {
2017                         os::windows_style_tex_paths(lyxrc_new.windows_style_tex_paths);
2018                 }
2019         case LyXRC::RC_UIFILE:
2020         case LyXRC::RC_USER_EMAIL:
2021         case LyXRC::RC_USER_NAME:
2022         case LyXRC::RC_USETEMPDIR:
2023         case LyXRC::RC_USE_ALT_LANG:
2024         case LyXRC::RC_USE_CONVERTER_CACHE:
2025         case LyXRC::RC_USE_ESC_CHARS:
2026         case LyXRC::RC_USE_INP_ENC:
2027         case LyXRC::RC_USE_PERS_DICT:
2028         case LyXRC::RC_USE_TOOLTIP:
2029         case LyXRC::RC_USE_PIXMAP_CACHE:
2030         case LyXRC::RC_USE_SPELL_LIB:
2031         case LyXRC::RC_VIEWDVI_PAPEROPTION:
2032         case LyXRC::RC_SORT_LAYOUTS:
2033         case LyXRC::RC_FULL_SCREEN_LIMIT:
2034         case LyXRC::RC_FULL_SCREEN_SCROLLBAR:
2035         case LyXRC::RC_FULL_SCREEN_TABBAR:
2036         case LyXRC::RC_FULL_SCREEN_TOOLBARS:
2037         case LyXRC::RC_FULL_SCREEN_WIDTH:
2038         case LyXRC::RC_VISUAL_CURSOR:
2039         case LyXRC::RC_VIEWER:
2040         case LyXRC::RC_LAST:
2041                 break;
2042         }
2043 }
2044
2045 } // namespace anon
2046
2047
2048 } // namespace lyx