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