src/lyxfunc.C

   1 /**
   2  * \file lyxfunc.C
   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.h"
  26 #include "buffer_funcs.h"
  27 #include "bufferlist.h"
  28 #include "bufferparams.h"
  29 #include "BufferView.h"
  30 #include "cursor.h"
  31 #include "CutAndPaste.h"
  32 #include "debug.h"
  33 #include "dispatchresult.h"
  34 #include "encoding.h"
  35 #include "errorlist.h"
  36 #include "exporter.h"
  37 #include "format.h"
  38 #include "funcrequest.h"
  39 #include "gettext.h"
  40 #include "importer.h"
  41 #include "insetiterator.h"
  42 #include "intl.h"
  43 #include "kbmap.h"
  44 #include "language.h"
  45 #include "LColor.h"
  46 #include "lyx_cb.h"
  47 #include "LyXAction.h"
  48 #include "lyxfind.h"
  49 #include "lyxlex.h"
  50 #include "lyxrc.h"
  51 #include "lyxrow.h"
  52 #include "lyxserver.h"
  53 #include "lyxtextclasslist.h"
  54 #include "lyxvc.h"
  55 #include "paragraph.h"
  56 #include "pariterator.h"
  57 #include "ParagraphParameters.h"
  58 #include "undo.h"
  59
  60 #include "insets/insetbox.h"
  61 #include "insets/insetbranch.h"
  62 #include "insets/insetcommand.h"
  63 #include "insets/insetert.h"
  64 #include "insets/insetexternal.h"
  65 #include "insets/insetfloat.h"
  66 #include "insets/insetgraphics.h"
  67 #include "insets/insetnote.h"
  68 #include "insets/insettabular.h"
  69 #include "insets/insetvspace.h"
  70 #include "insets/insetwrap.h"
  71
  72 #include "frontends/Alert.h"
  73 #include "frontends/Dialogs.h"
  74 #include "frontends/FileDialog.h"
  75 #include "frontends/lyx_gui.h"
  76 #include "frontends/LyXKeySym.h"
  77 #include "frontends/LyXView.h"
  78 #include "frontends/Menubar.h"
  79 #include "frontends/Toolbar.h"
  80
  81 #include "support/FileInfo.h"
  82 #include "support/filetools.h"
  83 #include "support/forkedcontr.h"
  84 #include "support/globbing.h"
  85 #include "support/lstrings.h"
  86 #include "support/path.h"
  87 #include "support/path_defines.h"
  88 #include "support/systemcall.h"
  89 #include "support/tostr.h"
  90 #include "support/std_sstream.h"
  91 #include "support/os.h"
  92
  93 using bv_funcs::freefont2string;
  94
  95 using lyx::support::AddName;
  96 using lyx::support::AddPath;
  97 using lyx::support::bformat;
  98 using lyx::support::ChangeExtension;
  99 using lyx::support::contains;
 100 using lyx::support::FileFilterList;
 101 using lyx::support::FileInfo;
 102 using lyx::support::FileSearch;
 103 using lyx::support::ForkedcallsController;
 104 using lyx::support::i18nLibFileSearch;
 105 using lyx::support::IsDirWriteable;
 106 using lyx::support::IsFileReadable;
 107 using lyx::support::isStrInt;
 108 using lyx::support::MakeAbsPath;
 109 using lyx::support::MakeDisplayPath;
 110 using lyx::support::Path;
 111 using lyx::support::QuoteName;
 112 using lyx::support::rtrim;
 113 using lyx::support::split;
 114 using lyx::support::strToInt;
 115 using lyx::support::strToUnsignedInt;
 116 using lyx::support::subst;
 117 using lyx::support::system_lyxdir;
 118 using lyx::support::Systemcall;
 119 using lyx::support::token;
 120 using lyx::support::trim;
 121 using lyx::support::user_lyxdir;
 122 using lyx::support::prefixIs;
 123 using lyx::support::os::getTmpDir;
 124
 125 using std::endl;
 126 using std::make_pair;
 127 using std::pair;
 128 using std::string;
 129 using std::istringstream;
 130
 131
 132 extern BufferList bufferlist;
 133 extern LyXServer * lyxserver;
 134 extern bool selection_possible;
 135
 136 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 137
 138 // (alkis)
 139 extern tex_accent_struct get_accent(kb_action action);
 140
 141
 142 LyXFunc::LyXFunc(LyXView * lv)
 143         : owner(lv),
 144         encoded_last_key(0),
 145         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 146         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 147         meta_fake_bit(key_modifier::none)
 148 {
 149 }
 150
 151
 152 void LyXFunc::handleKeyFunc(kb_action action)
 153 {
 154         char c = encoded_last_key;
 155
 156         if (keyseq.length()) {
 157                 c = 0;
 158         }
 159
 160         owner->getIntl().getTransManager()
 161                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 162         // Need to clear, in case the minibuffer calls these
 163         // actions
 164         keyseq.clear();
 165         // copied verbatim from do_accent_char
 166         view()->cursor().resetAnchor();
 167         view()->update();
 168 }
 169
 170
 171 void LyXFunc::processKeySym(LyXKeySymPtr keysym, key_modifier::state state)
 172 {
 173         lyxerr[Debug::KEY] << "KeySym is " << keysym->getSymbolName() << endl;
 174
 175         // Do nothing if we have nothing (JMarc)
 176         if (!keysym->isOK()) {
 177                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 178                                    << endl;
 179                 return;
 180         }
 181
 182         if (keysym->isModifier()) {
 183                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 184                 return;
 185         }
 186
 187         Encoding const * encoding = view()->cursor().getEncoding();
 188
 189         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 190
 191         // Do a one-deep top-level lookup for
 192         // cancel and meta-fake keys. RVDK_PATCH_5
 193         cancel_meta_seq.reset();
 194
 195         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 196         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 197
 198         // When not cancel or meta-fake, do the normal lookup.
 199         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 200         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 201         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 202                 // remove Caps Lock and Mod2 as a modifiers
 203                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 204                 lyxerr[Debug::KEY] << "action now set to ["
 205                         << func.action << ']' << endl;
 206         }
 207
 208         // Dont remove this unless you know what you are doing.
 209         meta_fake_bit = key_modifier::none;
 210
 211         // can this happen now ?
 212         if (func.action == LFUN_NOACTION) {
 213                 func = FuncRequest(LFUN_PREFIX);
 214         }
 215
 216         if (lyxerr.debugging(Debug::KEY)) {
 217                 lyxerr << "Key [action="
 218                        << func.action << "]["
 219                        << keyseq.print() << ']'
 220                        << endl;
 221         }
 222
 223         // already here we know if it any point in going further
 224         // why not return already here if action == -1 and
 225         // num_bytes == 0? (Lgb)
 226
 227         if (keyseq.length() > 1) {
 228                 owner->message(keyseq.print());
 229         }
 230
 231
 232         // Maybe user can only reach the key via holding down shift.
 233         // Let's see. But only if shift is the only modifier
 234         if (func.action == LFUN_UNKNOWN_ACTION &&
 235             state == key_modifier::shift) {
 236                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 237                 func = keyseq.addkey(keysym, key_modifier::none);
 238                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 239         }
 240
 241         if (func.action == LFUN_UNKNOWN_ACTION) {
 242                 // Hmm, we didn't match any of the keysequences. See
 243                 // if it's normal insertable text not already covered
 244                 // by a binding
 245                 if (keysym->isText() && keyseq.length() == 1) {
 246                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 247                         func = FuncRequest(LFUN_SELFINSERT);
 248                 } else {
 249                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 250                         owner->message(_("Unknown function."));
 251                         return;
 252                 }
 253         }
 254
 255         if (func.action == LFUN_SELFINSERT) {
 256                 if (encoded_last_key != 0) {
 257                         string arg(1, encoded_last_key);
 258                         dispatch(FuncRequest(LFUN_SELFINSERT, arg));
 259                         lyxerr[Debug::KEY]
 260                                 << "SelfInsert arg[`" << arg << "']" << endl;
 261                 }
 262         } else {
 263                 dispatch(func);
 264         }
 265 }
 266
 267
 268 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 269 {
 270         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
 271         FuncStatus flag;
 272         Buffer * buf = owner->buffer();
 273         LCursor & cur = view()->cursor();
 274
 275         if (cmd.action == LFUN_NOACTION) {
 276                 setStatusMessage(N_("Nothing to do"));
 277                 flag.enabled(false);
 278                 return flag;
 279         }
 280
 281         switch (cmd.action) {
 282         case LFUN_UNKNOWN_ACTION:
 283 #ifndef HAVE_LIBAIKSAURUS
 284         case LFUN_THESAURUS_ENTRY:
 285 #endif
 286                 flag.unknown(true);
 287                 flag.enabled(false);
 288                 break;
 289         default:
 290                 flag |= lyx_gui::getStatus(cmd);
 291         }
 292
 293         if (flag.unknown()) {
 294                 setStatusMessage(N_("Unknown action"));
 295                 return flag;
 296         }
 297
 298         // the default error message if we disable the command
 299         setStatusMessage(N_("Command disabled"));
 300
 301         // Check whether we need a buffer
 302         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 303                 // no, exit directly
 304                 setStatusMessage(N_("Command not allowed with"
 305                                     "out any document open"));
 306                 flag.enabled(false);
 307                 return flag;
 308         }
 309
 310         // I would really like to avoid having this switch and rather try to
 311         // encode this in the function itself.
 312         // -- And I'd rather let an inset decide which LFUNs it is willing
 313         // to handle (Andre')
 314         bool enable = true;
 315         switch (cmd.action) {
 316         case LFUN_TOOLTIPS_TOGGLE:
 317                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 318                 break;
 319
 320         case LFUN_READ_ONLY_TOGGLE:
 321                 flag.setOnOff(buf->isReadonly());
 322                 break;
 323
 324         case LFUN_SWITCHBUFFER:
 325                 // toggle on the current buffer, but do not toggle off
 326                 // the other ones (is that a good idea?)
 327                 if (cmd.argument == buf->fileName())
 328                         flag.setOnOff(true);
 329                 break;
 330
 331         case LFUN_TRACK_CHANGES:
 332                 flag.setOnOff(buf->params().tracking_changes);
 333                 break;
 334
 335         case LFUN_EXPORT:
 336                 enable = cmd.argument == "custom"
 337                         || Exporter::IsExportable(*buf, cmd.argument);
 338                 break;
 339         case LFUN_UNDO:
 340                 enable = !buf->undostack().empty();
 341                 break;
 342         case LFUN_REDO:
 343                 enable = !buf->redostack().empty();
 344                 break;
 345         case LFUN_CUT:
 346         case LFUN_COPY:
 347                 enable = cur.selection();
 348                 break;
 349
 350         case LFUN_RUNCHKTEX:
 351                 enable = buf->isLatex() && lyxrc.chktex_command != "none";
 352                 break;
 353
 354         case LFUN_BUILDPROG:
 355                 enable = Exporter::IsExportable(*buf, "program");
 356                 break;
 357
 358         case LFUN_LAYOUT_TABULAR:
 359                 enable = cur.innerInsetOfType(InsetBase::TABULAR_CODE);
 360                 break;
 361
 362         case LFUN_LAYOUT:
 363         case LFUN_LAYOUT_PARAGRAPH:
 364                 enable = !cur.inset().forceDefaultParagraphs(&cur.inset());
 365                 break;
 366
 367         case LFUN_VC_REGISTER:
 368                 enable = !buf->lyxvc().inUse();
 369                 break;
 370         case LFUN_VC_CHECKIN:
 371                 enable = buf->lyxvc().inUse() && !buf->isReadonly();
 372                 break;
 373         case LFUN_VC_CHECKOUT:
 374                 enable = buf->lyxvc().inUse() && buf->isReadonly();
 375                 break;
 376         case LFUN_VC_REVERT:
 377         case LFUN_VC_UNDO:
 378                 enable = buf->lyxvc().inUse();
 379                 break;
 380         case LFUN_MENURELOAD:
 381                 enable = !buf->isUnnamed() && !buf->isClean();
 382                 break;
 383         case LFUN_BOOKMARK_GOTO:
 384                 enable = view()->isSavedPosition(strToUnsignedInt(cmd.argument));
 385                 break;
 386
 387         case LFUN_MERGE_CHANGES:
 388         case LFUN_ACCEPT_CHANGE:
 389         case LFUN_REJECT_CHANGE:
 390         case LFUN_ACCEPT_ALL_CHANGES:
 391         case LFUN_REJECT_ALL_CHANGES:
 392                 enable = buf && buf->params().tracking_changes;
 393                 break;
 394
 395         case LFUN_INSET_SETTINGS: {
 396                 enable = false;
 397                 if (!cur.size())
 398                         break;
 399                 UpdatableInset * inset = cur.inset().asUpdatableInset();
 400                 lyxerr << "inset: " << inset << endl;
 401                 if (!inset)
 402                         break;
 403
 404                 InsetOld::Code code = inset->lyxCode();
 405                 switch (code) {
 406                         case InsetOld::TABULAR_CODE:
 407                                 enable = cmd.argument == "tabular";
 408                                 break;
 409                         case InsetOld::ERT_CODE:
 410                                 enable = cmd.argument == "ert";
 411                                 break;
 412                         case InsetOld::FLOAT_CODE:
 413                                 enable = cmd.argument == "float";
 414                                 break;
 415                         case InsetOld::WRAP_CODE:
 416                                 enable = cmd.argument == "wrap";
 417                                 break;
 418                         case InsetOld::NOTE_CODE:
 419                                 enable = cmd.argument == "note";
 420                                 break;
 421                         case InsetOld::BRANCH_CODE:
 422                                 enable = cmd.argument == "branch";
 423                                 break;
 424                         case InsetOld::BOX_CODE:
 425                                 enable = cmd.argument == "box";
 426                                 break;
 427                         default:
 428                                 break;
 429                 }
 430                 break;
 431         }
 432
 433         case LFUN_DIALOG_SHOW: {
 434                 string const name = cmd.getArg(0);
 435                 if (!buf)
 436                         enable = name == "aboutlyx"
 437                                 || name == "file"
 438                                 || name == "forks"
 439                                 || name == "preferences"
 440                                 || name == "texinfo";
 441                 else if (name == "print")
 442                         enable = Exporter::IsExportable(*buf, "dvi")
 443                                 && lyxrc.print_command != "none";
 444                 else if (name == "character")
 445                         enable = cur.inset().lyxCode() != InsetOld::ERT_CODE;
 446                 else if (name == "vclog")
 447                         enable = buf->lyxvc().inUse();
 448                 else if (name == "latexlog")
 449                         enable = IsFileReadable(buf->getLogName().second);
 450                 break;
 451         }
 452
 453         case LFUN_MENUNEW:
 454         case LFUN_MENUNEWTMPLT:
 455         case LFUN_WORDFINDFORWARD:
 456         case LFUN_WORDFINDBACKWARD:
 457         case LFUN_PREFIX:
 458         case LFUN_EXEC_COMMAND:
 459         case LFUN_CANCEL:
 460         case LFUN_META_FAKE:
 461         case LFUN_CLOSEBUFFER:
 462         case LFUN_MENUWRITE:
 463         case LFUN_WRITEAS:
 464         case LFUN_UPDATE:
 465         case LFUN_PREVIEW:
 466         case LFUN_IMPORT:
 467         case LFUN_QUIT:
 468         case LFUN_TOCVIEW:
 469         case LFUN_AUTOSAVE:
 470         case LFUN_RECONFIGURE:
 471         case LFUN_HELP_OPEN:
 472         case LFUN_FILE_NEW:
 473         case LFUN_FILE_OPEN:
 474         case LFUN_DROP_LAYOUTS_CHOICE:
 475         case LFUN_MENU_OPEN_BY_NAME:
 476         case LFUN_GETNAME:
 477         case LFUN_NOTIFY:
 478         case LFUN_GOTOFILEROW:
 479         case LFUN_GOTO_PARAGRAPH:
 480         case LFUN_DIALOG_SHOW_NEW_INSET:
 481         case LFUN_DIALOG_SHOW_NEXT_INSET:
 482         case LFUN_DIALOG_UPDATE:
 483         case LFUN_DIALOG_HIDE:
 484         case LFUN_DIALOG_DISCONNECT_INSET:
 485         case LFUN_CHILDOPEN:
 486         case LFUN_TOGGLECURSORFOLLOW:
 487         case LFUN_KMAP_OFF:
 488         case LFUN_KMAP_PRIM:
 489         case LFUN_KMAP_SEC:
 490         case LFUN_KMAP_TOGGLE:
 491         case LFUN_REPEAT:
 492         case LFUN_EXPORT_CUSTOM:
 493         case LFUN_PRINT:
 494         case LFUN_SEQUENCE:
 495         case LFUN_SAVEPREFERENCES:
 496         case LFUN_SCREEN_FONT_UPDATE:
 497         case LFUN_SET_COLOR:
 498         case LFUN_MESSAGE:
 499         case LFUN_EXTERNAL_EDIT:
 500         case LFUN_FILE_INSERT:
 501         case LFUN_FILE_INSERT_ASCII:
 502         case LFUN_FILE_INSERT_ASCII_PARA:
 503         case LFUN_ALL_INSETS_TOGGLE:
 504         case LFUN_LANGUAGE_BUFFER:
 505         case LFUN_TEXTCLASS_APPLY:
 506         case LFUN_TEXTCLASS_LOAD:
 507         case LFUN_SAVE_AS_DEFAULT:
 508         case LFUN_BUFFERPARAMS_APPLY:
 509
 510                 // these are handled in our dispatch()
 511                 break;
 512
 513         default:
 514                 cur.getStatus(cmd, flag);
 515         }
 516
 517         if (!enable)
 518                 flag.enabled(false);
 519
 520         // Can we use a readonly buffer?
 521         if (buf && buf->isReadonly()
 522             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 523             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 524                 setStatusMessage(N_("Document is read-only"));
 525                 flag.enabled(false);
 526         }
 527
 528         return flag;
 529 }
 530
 531
 532 namespace {
 533
 534 bool ensureBufferClean(BufferView * bv)
 535 {
 536         Buffer & buf = *bv->buffer();
 537         if (buf.isClean())
 538                 return true;
 539
 540         string const file = MakeDisplayPath(buf.fileName(), 30);
 541         string text = bformat(_("The document %1$s has unsaved "
 542                                 "changes.\n\nDo you want to save "
 543                                 "the document?"), file);
 544         int const ret = Alert::prompt(_("Save changed document?"),
 545                                       text, 0, 1, _("&Save"),
 546                                       _("&Cancel"));
 547
 548         if (ret == 0)
 549                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 550
 551         return buf.isClean();
 552 }
 553
 554
 555 void showPrintError(string const & name)
 556 {
 557         string str = bformat(_("Could not print the document %1$s.\n"
 558                                "Check that your printer is set up correctly."),
 559                              MakeDisplayPath(name, 50));
 560         Alert::error(_("Print document failed"), str);
 561 }
 562
 563
 564 void loadTextclass(string const & name)
 565 {
 566         std::pair<bool, lyx::textclass_type> const tc_pair =
 567                 textclasslist.NumberOfClass(name);
 568
 569         if (!tc_pair.first) {
 570                 lyxerr << "Document class \"" << name
 571                        << "\" does not exist."
 572                        << std::endl;
 573                 return;
 574         }
 575
 576         lyx::textclass_type const tc = tc_pair.second;
 577
 578         if (!textclasslist[tc].load()) {
 579                 string s = bformat(_("The document could not be converted\n"
 580                                      "into the document class %1$s."),
 581                                    textclasslist[tc].name());
 582                 Alert::error(_("Could not change class"), s);
 583         }
 584 }
 585
 586 } //namespace anon
 587
 588
 589 void LyXFunc::dispatch(FuncRequest const & cmd, bool verbose)
 590 {
 591         string const argument = cmd.argument;
 592         kb_action const action = cmd.action;
 593
 594         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: cmd: " << cmd << endl;
 595         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 596
 597         // we have not done anything wrong yet.
 598         errorstat = false;
 599         dispatch_buffer.erase();
 600         selection_possible = false;
 601
 602         // We cannot use this function here
 603         if (!getStatus(cmd).enabled()) {
 604                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 605                        << lyxaction.getActionName(action)
 606                        << " [" << action << "] is disabled at this location"
 607                        << endl;
 608                 setErrorMessage(getStatusMessage());
 609
 610         } else {
 611
 612                 if (view()->available())
 613                         view()->hideCursor();
 614
 615                 switch (action) {
 616
 617                 case LFUN_WORDFINDFORWARD:
 618                 case LFUN_WORDFINDBACKWARD: {
 619                         static string last_search;
 620                         string searched_string;
 621
 622                         if (!argument.empty()) {
 623                                 last_search = argument;
 624                                 searched_string = argument;
 625                         } else {
 626                                 searched_string = last_search;
 627                         }
 628
 629                         if (searched_string.empty())
 630                                 break;
 631
 632                         bool const fw = action == LFUN_WORDFINDFORWARD;
 633                         string const data =
 634                                 lyx::find::find2string(searched_string, true, false, fw);
 635                         lyx::find::find(view(), FuncRequest(LFUN_WORD_FIND, data));
 636                         break;
 637                 }
 638
 639                 case LFUN_PREFIX:
 640                         owner->message(keyseq.printOptions());
 641                         break;
 642
 643                 case LFUN_EXEC_COMMAND:
 644                         owner->focus_command_buffer();
 645                         break;
 646
 647                 case LFUN_CANCEL:
 648                         keyseq.reset();
 649                         meta_fake_bit = key_modifier::none;
 650                         if (view()->available())
 651                                 // cancel any selection
 652                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 653                         setMessage(N_("Cancel"));
 654                         break;
 655
 656                 case LFUN_META_FAKE:
 657                         meta_fake_bit = key_modifier::alt;
 658                         setMessage(keyseq.print());
 659                         break;
 660
 661                 case LFUN_READ_ONLY_TOGGLE:
 662                         if (owner->buffer()->lyxvc().inUse())
 663                                 owner->buffer()->lyxvc().toggleReadOnly();
 664                         else
 665                                 owner->buffer()->setReadonly(
 666                                         !owner->buffer()->isReadonly());
 667                         break;
 668
 669                 // --- Menus -----------------------------------------------
 670                 case LFUN_MENUNEW:
 671                         menuNew(argument, false);
 672                         break;
 673
 674                 case LFUN_MENUNEWTMPLT:
 675                         menuNew(argument, true);
 676                         break;
 677
 678                 case LFUN_CLOSEBUFFER:
 679                         closeBuffer();
 680                         break;
 681
 682                 case LFUN_MENUWRITE:
 683                         if (!owner->buffer()->isUnnamed()) {
 684                                 string const str = bformat(_("Saving document %1$s..."),
 685                                          MakeDisplayPath(owner->buffer()->fileName()));
 686                                 owner->message(str);
 687                                 MenuWrite(owner->buffer());
 688                                 owner->message(str + _(" done."));
 689                         } else
 690                                 WriteAs(owner->buffer());
 691                         break;
 692
 693                 case LFUN_WRITEAS:
 694                         WriteAs(owner->buffer(), argument);
 695                         break;
 696
 697                 case LFUN_MENURELOAD: {
 698                         string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
 699                         string text = bformat(_("Any changes will be lost. Are you sure "
 700                                 "you want to revert to the saved version of the document %1$s?"), file);
 701                         int const ret = Alert::prompt(_("Revert to saved document?"),
 702                                 text, 0, 1, _("&Revert"), _("&Cancel"));
 703
 704                         if (ret == 0)
 705                                 view()->reload();
 706                         break;
 707                 }
 708
 709                 case LFUN_UPDATE:
 710                         Exporter::Export(owner->buffer(), argument, true);
 711                         view()->showErrorList(BufferFormat(*owner->buffer()));
 712                         break;
 713
 714                 case LFUN_PREVIEW:
 715                         Exporter::Preview(owner->buffer(), argument);
 716                         view()->showErrorList(BufferFormat(*owner->buffer()));
 717                         break;
 718
 719                 case LFUN_BUILDPROG:
 720                         Exporter::Export(owner->buffer(), "program", true);
 721                         view()->showErrorList(_("Build"));
 722                         break;
 723
 724                 case LFUN_RUNCHKTEX:
 725                         owner->buffer()->runChktex();
 726                         view()->showErrorList(_("ChkTeX"));
 727                         break;
 728
 729                 case LFUN_EXPORT:
 730                         if (argument == "custom")
 731                                 owner->getDialogs().show("sendto");
 732                         else {
 733                                 Exporter::Export(owner->buffer(), argument, false);
 734                                 view()->showErrorList(BufferFormat(*owner->buffer()));
 735                         }
 736                         break;
 737
 738                 case LFUN_EXPORT_CUSTOM: {
 739                         string format_name;
 740                         string command = split(argument, format_name, ' ');
 741                         Format const * format = formats.getFormat(format_name);
 742                         if (!format) {
 743                                 lyxerr << "Format \"" << format_name
 744                                        << "\" not recognized!"
 745                                        << std::endl;
 746                                 break;
 747                         }
 748
 749                         Buffer * buffer = owner->buffer();
 750
 751                         // The name of the file created by the conversion process
 752                         string filename;
 753
 754                         // Output to filename
 755                         if (format->name() == "lyx") {
 756                                 string const latexname =
 757                                         buffer->getLatexName(false);
 758                                 filename = ChangeExtension(latexname,
 759                                                            format->extension());
 760                                 filename = AddName(buffer->temppath(), filename);
 761
 762                                 if (!buffer->writeFile(filename))
 763                                         break;
 764
 765                         } else {
 766                                 Exporter::Export(buffer, format_name, true,
 767                                                  filename);
 768                         }
 769
 770                         // Substitute $$FName for filename
 771                         if (!contains(command, "$$FName"))
 772                                 command = "( " + command + " ) < $$FName";
 773                         command = subst(command, "$$FName", filename);
 774
 775                         // Execute the command in the background
 776                         Systemcall call;
 777                         call.startscript(Systemcall::DontWait, command);
 778                         break;
 779                 }
 780
 781                 case LFUN_PRINT: {
 782                         string target;
 783                         string target_name;
 784                         string command = split(split(argument, target, ' '),
 785                                                target_name, ' ');
 786
 787                         if (target.empty()
 788                             || target_name.empty()
 789                             || command.empty()) {
 790                                 lyxerr << "Unable to parse \""
 791                                        << argument << '"' << std::endl;
 792                                 break;
 793                         }
 794                         if (target != "printer" && target != "file") {
 795                                 lyxerr << "Unrecognized target \""
 796                                        << target << '"' << std::endl;
 797                                 break;
 798                         }
 799
 800                         Buffer * buffer = owner->buffer();
 801
 802                         if (!Exporter::Export(buffer, "dvi", true)) {
 803                                 showPrintError(buffer->fileName());
 804                                 break;
 805                         }
 806
 807                         // Push directory path.
 808                         string const path = buffer->temppath();
 809                         Path p(path);
 810
 811                         // there are three cases here:
 812                         // 1. we print to a file
 813                         // 2. we print directly to a printer
 814                         // 3. we print using a spool command (print to file first)
 815                         Systemcall one;
 816                         int res = 0;
 817                         string const dviname =
 818                                 ChangeExtension(buffer->getLatexName(true),
 819                                                 "dvi");
 820
 821                         if (target == "printer") {
 822                                 if (!lyxrc.print_spool_command.empty()) {
 823                                         // case 3: print using a spool
 824                                         string const psname =
 825                                                 ChangeExtension(dviname,".ps");
 826                                         command += lyxrc.print_to_file
 827                                                 + QuoteName(psname)
 828                                                 + ' '
 829                                                 + QuoteName(dviname);
 830
 831                                         string command2 =
 832                                                 lyxrc.print_spool_command +' ';
 833                                         if (target_name != "default") {
 834                                                 command2 += lyxrc.print_spool_printerprefix
 835                                                         + target_name
 836                                                         + ' ';
 837                                         }
 838                                         command2 += QuoteName(psname);
 839                                         // First run dvips.
 840                                         // If successful, then spool command
 841                                         res = one.startscript(
 842                                                 Systemcall::Wait,
 843                                                 command);
 844
 845                                         if (res == 0)
 846                                                 res = one.startscript(
 847                                                         Systemcall::DontWait,
 848                                                         command2);
 849                                 } else {
 850                                         // case 2: print directly to a printer
 851                                         res = one.startscript(
 852                                                 Systemcall::DontWait,
 853                                                 command + QuoteName(dviname));
 854                                 }
 855
 856                         } else {
 857                                 // case 1: print to a file
 858                                 command += lyxrc.print_to_file
 859                                         + QuoteName(MakeAbsPath(target_name,
 860                                                                 path))
 861                                         + ' '
 862                                         + QuoteName(dviname);
 863                                 res = one.startscript(Systemcall::DontWait,
 864                                                       command);
 865                         }
 866
 867                         if (res != 0)
 868                                 showPrintError(buffer->fileName());
 869                         break;
 870                 }
 871
 872                 case LFUN_IMPORT:
 873                         doImport(argument);
 874                         break;
 875
 876                 case LFUN_QUIT:
 877                         QuitLyX();
 878                         break;
 879
 880                 case LFUN_TOCVIEW: {
 881                         InsetCommandParams p("tableofcontents");
 882                         string const data = InsetCommandMailer::params2string("toc", p);
 883                         owner->getDialogs().show("toc", data, 0);
 884                         break;
 885                 }
 886
 887                 case LFUN_AUTOSAVE:
 888                         AutoSave(view());
 889                         break;
 890
 891                 case LFUN_RECONFIGURE:
 892                         Reconfigure(view());
 893                         break;
 894
 895                 case LFUN_HELP_OPEN: {
 896                         string const arg = argument;
 897                         if (arg.empty()) {
 898                                 setErrorMessage(N_("Missing argument"));
 899                                 break;
 900                         }
 901                         string const fname = i18nLibFileSearch("doc", arg, "lyx");
 902                         if (fname.empty()) {
 903                                 lyxerr << "LyX: unable to find documentation file `"
 904                                                          << arg << "'. Bad installation?" << endl;
 905                                 break;
 906                         }
 907                         owner->message(bformat(_("Opening help file %1$s..."),
 908                                 MakeDisplayPath(fname)));
 909                         view()->loadLyXFile(fname, false);
 910                         break;
 911                 }
 912
 913                 // --- version control -------------------------------
 914                 case LFUN_VC_REGISTER:
 915                         if (!ensureBufferClean(view()))
 916                                 break;
 917                         if (!owner->buffer()->lyxvc().inUse()) {
 918                                 owner->buffer()->lyxvc().registrer();
 919                                 view()->reload();
 920                         }
 921                         break;
 922
 923                 case LFUN_VC_CHECKIN:
 924                         if (!ensureBufferClean(view()))
 925                                 break;
 926                         if (owner->buffer()->lyxvc().inUse()
 927                                         && !owner->buffer()->isReadonly()) {
 928                                 owner->buffer()->lyxvc().checkIn();
 929                                 view()->reload();
 930                         }
 931                         break;
 932
 933                 case LFUN_VC_CHECKOUT:
 934                         if (!ensureBufferClean(view()))
 935                                 break;
 936                         if (owner->buffer()->lyxvc().inUse()
 937                                         && owner->buffer()->isReadonly()) {
 938                                 owner->buffer()->lyxvc().checkOut();
 939                                 view()->reload();
 940                         }
 941                         break;
 942
 943                 case LFUN_VC_REVERT:
 944                         owner->buffer()->lyxvc().revert();
 945                         view()->reload();
 946                         break;
 947
 948                 case LFUN_VC_UNDO:
 949                         owner->buffer()->lyxvc().undoLast();
 950                         view()->reload();
 951                         break;
 952
 953                 // --- buffers ----------------------------------------
 954                 case LFUN_SWITCHBUFFER:
 955                         view()->setBuffer(bufferlist.getBuffer(argument));
 956                         break;
 957
 958                 case LFUN_FILE_NEW:
 959                         NewFile(view(), argument);
 960                         break;
 961
 962                 case LFUN_FILE_OPEN:
 963                         open(argument);
 964                         break;
 965
 966                 case LFUN_DROP_LAYOUTS_CHOICE:
 967                         owner->getToolbar().openLayoutList();
 968                         break;
 969
 970                 case LFUN_MENU_OPEN_BY_NAME:
 971                         owner->getMenubar().openByName(argument);
 972                         break;
 973
 974                 // --- lyxserver commands ----------------------------
 975                 case LFUN_GETNAME:
 976                         setMessage(owner->buffer()->fileName());
 977                         lyxerr[Debug::INFO] << "FNAME["
 978                                                          << owner->buffer()->fileName()
 979                                                          << "] " << endl;
 980                         break;
 981
 982                 case LFUN_NOTIFY:
 983                         dispatch_buffer = keyseq.print();
 984                         lyxserver->notifyClient(dispatch_buffer);
 985                         break;
 986
 987                 case LFUN_GOTOFILEROW: {
 988                         string file_name;
 989                         int row;
 990                         istringstream is(argument);
 991                         is >> file_name >> row;
 992                         if (prefixIs(file_name, getTmpDir())) {
 993                                 // Needed by inverse dvi search. If it is a file
 994                                 // in tmpdir, call the apropriated function
 995                                 view()->setBuffer(bufferlist.getBufferFromTmp(file_name));
 996                         } else {
 997                                 // Must replace extension of the file to be .lyx
 998                                 // and get full path
 999                                 string const s = ChangeExtension(file_name, ".lyx");
1000                                 // Either change buffer or load the file
1001                                 if (bufferlist.exists(s)) {
1002                                         view()->setBuffer(bufferlist.getBuffer(s));
1003                                 } else {
1004                                         view()->loadLyXFile(s);
1005                                 }
1006                         }
1007
1008                         view()->setCursorFromRow(row);
1009
1010                         view()->center();
1011                         // see BufferView_pimpl::center()
1012                         view()->updateScrollbar();
1013                         break;
1014                 }
1015
1016                 case LFUN_GOTO_PARAGRAPH: {
1017                         istringstream is(argument);
1018                         int id;
1019                         is >> id;
1020                         ParIterator par = owner->buffer()->getParFromID(id);
1021                         if (par == owner->buffer()->par_iterator_end()) {
1022                                 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1023                                                                 << id << ']' << endl;
1024                                 break;
1025                         } else {
1026                                 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1027                                                                 << " found." << endl;
1028                         }
1029
1030                         // Set the cursor
1031                         view()->setCursor(par, 0);
1032
1033                         view()->switchKeyMap();
1034                         owner->view_state_changed();
1035
1036                         view()->center();
1037                         // see BufferView_pimpl::center()
1038                         view()->updateScrollbar();
1039                         break;
1040                 }
1041
1042                 case LFUN_DIALOG_SHOW: {
1043                         string const name = cmd.getArg(0);
1044                         string data = trim(cmd.argument.substr(name.size()));
1045
1046                         if (name == "character") {
1047                                 data = freefont2string();
1048                                 if (!data.empty())
1049                                         owner->getDialogs().show("character", data);
1050                         }
1051                         else if (name == "preamble")
1052                                 owner->getDialogs().showPreamble();
1053                         else if (name == "preferences")
1054                                 owner->getDialogs().showPreferences();
1055                         else if (name == "spellchecker")
1056                                 owner->getDialogs().showSpellchecker();
1057
1058                         else if (name == "latexlog") {
1059                                 pair<Buffer::LogType, string> const logfile =
1060                                         owner->buffer()->getLogName();
1061                                 switch (logfile.first) {
1062                                 case Buffer::latexlog:
1063                                         data = "latex ";
1064                                         break;
1065                                 case Buffer::buildlog:
1066                                         data = "literate ";
1067                                         break;
1068                                 }
1069                                 data += logfile.second;
1070                                 owner->getDialogs().show("log", data);
1071                         }
1072                         else if (name == "vclog") {
1073                                 string const data = "vc " +
1074                                         owner->buffer()->lyxvc().getLogFile();
1075                                 owner->getDialogs().show("log", data);
1076                         }
1077                         else
1078                                 owner->getDialogs().show(name, data);
1079                         break;
1080                 }
1081
1082                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1083                         string const name = cmd.getArg(0);
1084                         string data = trim(cmd.argument.substr(name.size()));
1085                         if (name == "bibitem" ||
1086                             name == "bibtex" ||
1087                             name == "include" ||
1088                             name == "index" ||
1089                             name == "label" ||
1090                             name == "ref" ||
1091                             name == "toc" ||
1092                             name == "url") {
1093                                 InsetCommandParams p(name);
1094                                 data = InsetCommandMailer::params2string(name, p);
1095                         } else if (name == "box") {
1096                                 // \c data == "Boxed" || "Frameless" etc
1097                                 InsetBoxParams p(data);
1098                                 data = InsetBoxMailer::params2string(p);
1099                         } else if (name == "branch") {
1100                                 InsetBranchParams p;
1101                                 data = InsetBranchMailer::params2string(p);
1102                         } else if (name == "citation") {
1103                                 InsetCommandParams p("cite");
1104                                 data = InsetCommandMailer::params2string(name, p);
1105                         } else if (name == "ert") {
1106                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1107                         } else if (name == "external") {
1108                                 InsetExternalParams p;
1109                                 Buffer const & buffer = *owner->buffer();
1110                                 data = InsetExternalMailer::params2string(p, buffer);
1111                         } else if (name == "float") {
1112                                 InsetFloatParams p;
1113                                 data = InsetFloatMailer::params2string(p);
1114                         } else if (name == "graphics") {
1115                                 InsetGraphicsParams p;
1116                                 Buffer const & buffer = *owner->buffer();
1117                                 data = InsetGraphicsMailer::params2string(p, buffer);
1118                         } else if (name == "note") {
1119                                 InsetNoteParams p;
1120                                 data = InsetNoteMailer::params2string(p);
1121                         } else if (name == "vspace") {
1122                                 VSpace space;
1123                                 data = InsetVSpaceMailer::params2string(space);
1124                         } else if (name == "wrap") {
1125                                 InsetWrapParams p;
1126                                 data = InsetWrapMailer::params2string(p);
1127                         }
1128                         owner->getDialogs().show(name, data, 0);
1129                         break;
1130                 }
1131
1132                 case LFUN_DIALOG_SHOW_NEXT_INSET:
1133                         break;
1134
1135                 case LFUN_DIALOG_UPDATE: {
1136                         string const & name = argument;
1137                         // Can only update a dialog connected to an existing inset
1138                         InsetBase * inset = owner->getDialogs().getOpenInset(name);
1139                         if (inset) {
1140                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument);
1141                                 inset->dispatch(view()->cursor(), fr);
1142                         } else if (name == "paragraph") {
1143                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1144                         }
1145                         break;
1146                 }
1147
1148                 case LFUN_DIALOG_HIDE:
1149                         Dialogs::hide(argument, 0);
1150                         break;
1151
1152                 case LFUN_DIALOG_DISCONNECT_INSET:
1153                         owner->getDialogs().disconnect(argument);
1154                         break;
1155
1156                 case LFUN_CHILDOPEN: {
1157                         string const filename =
1158                                 MakeAbsPath(argument, owner->buffer()->filePath());
1159                         setMessage(N_("Opening child document ") +
1160                                          MakeDisplayPath(filename) + "...");
1161                         view()->savePosition(0);
1162                         string const parentfilename = owner->buffer()->fileName();
1163                         if (bufferlist.exists(filename))
1164                                 view()->setBuffer(bufferlist.getBuffer(filename));
1165                         else
1166                                 view()->loadLyXFile(filename);
1167                         // Set the parent name of the child document.
1168                         // This makes insertion of citations and references in the child work,
1169                         // when the target is in the parent or another child document.
1170                         owner->buffer()->setParentName(parentfilename);
1171                         break;
1172                 }
1173
1174                 case LFUN_TOGGLECURSORFOLLOW:
1175                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1176                         break;
1177
1178                 case LFUN_KMAP_OFF:
1179                         owner->getIntl().KeyMapOn(false);
1180                         break;
1181
1182                 case LFUN_KMAP_PRIM:
1183                         owner->getIntl().KeyMapPrim();
1184                         break;
1185
1186                 case LFUN_KMAP_SEC:
1187                         owner->getIntl().KeyMapSec();
1188                         break;
1189
1190                 case LFUN_KMAP_TOGGLE:
1191                         owner->getIntl().ToggleKeyMap();
1192                         break;
1193
1194                 case LFUN_REPEAT: {
1195                         // repeat command
1196                         string countstr;
1197                         string rest = split(argument, countstr, ' ');
1198                         istringstream is(countstr);
1199                         int count = 0;
1200                         is >> count;
1201                         lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1202                         for (int i = 0; i < count; ++i)
1203                                 dispatch(lyxaction.lookupFunc(rest));
1204                         break;
1205                 }
1206
1207                 case LFUN_SEQUENCE:
1208                         // argument contains ';'-terminated commands
1209                         while (!argument.empty()) {
1210                                 string first;
1211                                 string rest = split(argument, first, ';');
1212                                 dispatch(lyxaction.lookupFunc(rest));
1213                         }
1214                         break;
1215
1216                 case LFUN_SAVEPREFERENCES: {
1217                         Path p(user_lyxdir());
1218                         lyxrc.write("preferences");
1219                         break;
1220                 }
1221
1222                 case LFUN_SCREEN_FONT_UPDATE:
1223                         // handle the screen font changes.
1224                         lyxrc.set_font_norm_type();
1225                         lyx_gui::update_fonts();
1226                         // All visible buffers will need resize
1227                         view()->resize();
1228                         break;
1229
1230                 case LFUN_SET_COLOR: {
1231                         string lyx_name;
1232                         string const x11_name = split(argument, lyx_name, ' ');
1233                         if (lyx_name.empty() || x11_name.empty()) {
1234                                 setErrorMessage(N_("Syntax: set-color <lyx_name>"
1235                                                         " <x11_name>"));
1236                                 break;
1237                         }
1238
1239                         bool const graphicsbg_changed =
1240                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1241                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1242
1243                         if (!lcolor.setColor(lyx_name, x11_name)) {
1244                                 setErrorMessage(
1245                                         bformat(_("Set-color \"%1$s\" failed "
1246                                                                 "- color is undefined or "
1247                                                                 "may not be redefined"), lyx_name));
1248                                 break;
1249                         }
1250
1251                         lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1252
1253                         if (graphicsbg_changed) {
1254 #ifdef WITH_WARNINGS
1255 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1256 #endif
1257 #if 0
1258                                 lyx::graphics::GCache::get().changeDisplay(true);
1259 #endif
1260                         }
1261                         break;
1262                 }
1263
1264                 case LFUN_MESSAGE:
1265                         owner->message(argument);
1266                         break;
1267
1268                 case LFUN_TOOLTIPS_TOGGLE:
1269                         owner->getDialogs().toggleTooltips();
1270                         break;
1271
1272                 case LFUN_EXTERNAL_EDIT: {
1273                         FuncRequest fr(action, argument);
1274                         InsetExternal().dispatch(view()->cursor(), fr);
1275                         break;
1276                 }
1277
1278                 case LFUN_BREAKLINE: {
1279 #warning swallow 'Return' if the minibuffer is focused. But how?
1280                         break;
1281                 }
1282
1283                 case LFUN_ALL_INSETS_TOGGLE: {
1284                         string action;
1285                         string const name = split(argument, action, ' ');
1286                         InsetBase::Code const inset_code =
1287                                 InsetBase::translate(name);
1288
1289                         LCursor & cur = view()->cursor();
1290                         FuncRequest fr(LFUN_INSET_TOGGLE, action);
1291
1292                         InsetBase & inset = owner->buffer()->inset();
1293                         InsetIterator it  = inset_iterator_begin(inset);
1294                         InsetIterator const end = inset_iterator_end(inset);
1295                         for (; it != end; ++it) {
1296                                 if (inset_code == InsetBase::NO_CODE
1297                                     || inset_code == it->lyxCode())
1298                                         it->dispatch(cur, fr);
1299                         }
1300                         break;
1301                 }
1302
1303                 case LFUN_LANGUAGE_BUFFER: {
1304                         Buffer & buffer = *owner->buffer();
1305                         Language const * oldL = buffer.params().language;
1306                         Language const * newL = languages.getLanguage(argument);
1307                         if (!newL || oldL == newL)
1308                                 break;
1309
1310                         if (oldL->RightToLeft() == newL->RightToLeft()
1311                             && !buffer.isMultiLingual())
1312                                 buffer.changeLanguage(oldL, newL);
1313                         else
1314                                 buffer.updateDocLang(newL);
1315                         break;
1316                 }
1317
1318                 case LFUN_BUFFERPARAMS_APPLY: {
1319                         istringstream ss(argument);
1320                         LyXLex lex(0,0);
1321                         lex.setStream(ss);
1322                         int const unknown_tokens =
1323                                 owner->buffer()->readHeader(lex);
1324
1325                         if (unknown_tokens != 0) {
1326                                 lyxerr << "Warning in LFUN_BUFFERPARAMS_APPLY!\n"
1327                                        << unknown_tokens << " unknown token"
1328                                        << (unknown_tokens == 1 ? "" : "s")
1329                                        << endl;
1330                         }
1331                         break;
1332                 }
1333
1334                 case LFUN_TEXTCLASS_APPLY: {
1335                         Buffer * buffer = owner->buffer();
1336
1337                         lyx::textclass_type const old_class =
1338                                 buffer->params().textclass;
1339
1340                         loadTextclass(argument);
1341
1342                         std::pair<bool, lyx::textclass_type> const tc_pair =
1343                                 textclasslist.NumberOfClass(argument);
1344
1345                         if (!tc_pair.first)
1346                                 break;
1347
1348                         lyx::textclass_type const new_class = tc_pair.second;
1349                         if (old_class == new_class)
1350                                 // nothing to do
1351                                 break;
1352
1353                         owner->message(
1354                                 _("Converting document to new document class..."));
1355
1356                         ErrorList el;
1357                         lyx::cap::SwitchLayoutsBetweenClasses(
1358                                 old_class, new_class,
1359                                 buffer->paragraphs(), el);
1360
1361                         bufferErrors(*buffer, el);
1362                         view()->showErrorList(_("Class switch"));
1363                         break;
1364                 }
1365
1366                 case LFUN_TEXTCLASS_LOAD:
1367                         loadTextclass(argument);
1368                         break;
1369
1370                 default: {
1371                         DispatchResult res = view()->cursor().dispatch(cmd);
1372                         if (!res.dispatched());
1373                                 view()->dispatch(cmd);
1374                         break;
1375                 }
1376                 }
1377
1378                 if (view()->available()) {
1379                         view()->fitCursor();
1380                         view()->update();
1381                         view()->cursor().updatePos();
1382                         // if we executed a mutating lfun, mark the buffer as dirty
1383                         if (getStatus(cmd).enabled()
1384                                         && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)
1385                                         && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly))
1386                                 view()->buffer()->markDirty();
1387                 }
1388
1389                 if (view()->cursor().inTexted()) {
1390                         view()->owner()->updateLayoutChoice();
1391                         sendDispatchMessage(getMessage(), cmd, verbose);
1392                 }
1393         }
1394 }
1395
1396
1397 void LyXFunc::sendDispatchMessage(string const & msg,
1398                                   FuncRequest const & cmd, bool verbose)
1399 {
1400         owner->updateMenubar();
1401         owner->updateToolbar();
1402
1403         if (cmd.action == LFUN_SELFINSERT || !verbose) {
1404                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1405                 if (!msg.empty())
1406                         owner->message(msg);
1407                 return;
1408         }
1409
1410         string dispatch_msg = msg;
1411         if (!dispatch_msg.empty())
1412                 dispatch_msg += ' ';
1413
1414         string comname = lyxaction.getActionName(cmd.action);
1415
1416         bool argsadded = false;
1417
1418         if (!cmd.argument.empty()) {
1419                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1420                         comname += ' ' + cmd.argument;
1421                         argsadded = true;
1422                 }
1423         }
1424
1425         string const shortcuts = toplevel_keymap->findbinding(cmd);
1426
1427         if (!shortcuts.empty()) {
1428                 comname += ": " + shortcuts;
1429         } else if (!argsadded && !cmd.argument.empty()) {
1430                 comname += ' ' + cmd.argument;
1431         }
1432
1433         if (!comname.empty()) {
1434                 comname = rtrim(comname);
1435                 dispatch_msg += '(' + comname + ')';
1436         }
1437
1438         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1439         if (!dispatch_msg.empty())
1440                 owner->message(dispatch_msg);
1441 }
1442
1443
1444 void LyXFunc::setupLocalKeymap()
1445 {
1446         keyseq.stdmap = toplevel_keymap.get();
1447         keyseq.curmap = toplevel_keymap.get();
1448         cancel_meta_seq.stdmap = toplevel_keymap.get();
1449         cancel_meta_seq.curmap = toplevel_keymap.get();
1450 }
1451
1452
1453 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1454 {
1455         string initpath = lyxrc.document_path;
1456         string filename(name);
1457
1458         if (view()->available()) {
1459                 string const trypath = owner->buffer()->filePath();
1460                 // If directory is writeable, use this as default.
1461                 if (IsDirWriteable(trypath))
1462                         initpath = trypath;
1463         }
1464
1465         static int newfile_number;
1466
1467         if (filename.empty()) {
1468                 filename = AddName(lyxrc.document_path,
1469                             "newfile" + tostr(++newfile_number) + ".lyx");
1470                 FileInfo fi(filename);
1471                 while (bufferlist.exists(filename) || fi.readable()) {
1472                         ++newfile_number;
1473                         filename = AddName(lyxrc.document_path,
1474                                     "newfile" + tostr(newfile_number) +
1475                                     ".lyx");
1476                         fi.newFile(filename);
1477                 }
1478         }
1479
1480         // The template stuff
1481         string templname;
1482         if (fromTemplate) {
1483                 FileDialog fileDlg(_("Select template file"),
1484                         LFUN_SELECT_FILE_SYNC,
1485                         make_pair(string(_("Documents|#o#O")),
1486                                   string(lyxrc.document_path)),
1487                         make_pair(string(_("Templates|#T#t")),
1488                                   string(lyxrc.template_path)));
1489
1490                 FileDialog::Result result =
1491                         fileDlg.open(lyxrc.template_path,
1492                                      FileFilterList(_("LyX Documents (*.lyx)")),
1493                                      string());
1494
1495                 if (result.first == FileDialog::Later)
1496                         return;
1497                 if (result.second.empty())
1498                         return;
1499                 templname = result.second;
1500         }
1501
1502         view()->newFile(filename, templname, !name.empty());
1503 }
1504
1505
1506 void LyXFunc::open(string const & fname)
1507 {
1508         string initpath = lyxrc.document_path;
1509
1510         if (view()->available()) {
1511                 string const trypath = owner->buffer()->filePath();
1512                 // If directory is writeable, use this as default.
1513                 if (IsDirWriteable(trypath))
1514                         initpath = trypath;
1515         }
1516
1517         string filename;
1518
1519         if (fname.empty()) {
1520                 FileDialog fileDlg(_("Select document to open"),
1521                         LFUN_FILE_OPEN,
1522                         make_pair(string(_("Documents|#o#O")),
1523                                   string(lyxrc.document_path)),
1524                         make_pair(string(_("Examples|#E#e")),
1525                                   string(AddPath(system_lyxdir(), "examples"))));
1526
1527                 FileDialog::Result result =
1528                         fileDlg.open(initpath,
1529                                      FileFilterList(_("LyX Documents (*.lyx)")),
1530                                      string());
1531
1532                 if (result.first == FileDialog::Later)
1533                         return;
1534
1535                 filename = result.second;
1536
1537                 // check selected filename
1538                 if (filename.empty()) {
1539                         owner->message(_("Canceled."));
1540                         return;
1541                 }
1542         } else
1543                 filename = fname;
1544
1545         // get absolute path of file and add ".lyx" to the filename if
1546         // necessary
1547         string const fullpath = FileSearch(string(), filename, "lyx");
1548         if (!fullpath.empty()) {
1549                 filename = fullpath;
1550         }
1551
1552         string const disp_fn(MakeDisplayPath(filename));
1553
1554         // if the file doesn't exist, let the user create one
1555         FileInfo const f(filename, true);
1556         if (!f.exist()) {
1557                 // the user specifically chose this name. Believe them.
1558                 view()->newFile(filename, "", true);
1559                 return;
1560         }
1561
1562         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1563
1564         string str2;
1565         if (view()->loadLyXFile(filename)) {
1566                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1567         } else {
1568                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1569         }
1570         owner->message(str2);
1571 }
1572
1573
1574 void LyXFunc::doImport(string const & argument)
1575 {
1576         string format;
1577         string filename = split(argument, format, ' ');
1578
1579         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1580                             << " file: " << filename << endl;
1581
1582         // need user interaction
1583         if (filename.empty()) {
1584                 string initpath = lyxrc.document_path;
1585
1586                 if (view()->available()) {
1587                         string const trypath = owner->buffer()->filePath();
1588                         // If directory is writeable, use this as default.
1589                         if (IsDirWriteable(trypath))
1590                                 initpath = trypath;
1591                 }
1592
1593                 string const text = bformat(_("Select %1$s file to import"),
1594                         formats.prettyName(format));
1595
1596                 FileDialog fileDlg(text,
1597                         LFUN_IMPORT,
1598                         make_pair(string(_("Documents|#o#O")),
1599                                   string(lyxrc.document_path)),
1600                         make_pair(string(_("Examples|#E#e")),
1601                                   string(AddPath(system_lyxdir(), "examples"))));
1602
1603                 string const filter = formats.prettyName(format)
1604                         + " (*." + formats.extension(format) + ')';
1605
1606                 FileDialog::Result result =
1607                         fileDlg.open(initpath,
1608                                      FileFilterList(filter),
1609                                      string());
1610
1611                 if (result.first == FileDialog::Later)
1612                         return;
1613
1614                 filename = result.second;
1615
1616                 // check selected filename
1617                 if (filename.empty())
1618                         owner->message(_("Canceled."));
1619         }
1620
1621         if (filename.empty())
1622                 return;
1623
1624         // get absolute path of file
1625         filename = MakeAbsPath(filename);
1626
1627         string const lyxfile = ChangeExtension(filename, ".lyx");
1628
1629         // Check if the document already is open
1630         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1631                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1632                         owner->message(_("Canceled."));
1633                         return;
1634                 }
1635         }
1636
1637         // if the file exists already, and we didn't do
1638         // -i lyx thefile.lyx, warn
1639         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1640                 string const file = MakeDisplayPath(lyxfile, 30);
1641
1642                 string text = bformat(_("The document %1$s already exists.\n\n"
1643                         "Do you want to over-write that document?"), file);
1644                 int const ret = Alert::prompt(_("Over-write document?"),
1645                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1646
1647                 if (ret == 1) {
1648                         owner->message(_("Canceled."));
1649                         return;
1650                 }
1651         }
1652
1653         Importer::Import(owner, filename, format);
1654 }
1655
1656
1657 void LyXFunc::closeBuffer()
1658 {
1659         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1660                 if (bufferlist.empty()) {
1661                         // need this otherwise SEGV may occur while
1662                         // trying to set variables that don't exist
1663                         // since there's no current buffer
1664                         owner->getDialogs().hideBufferDependent();
1665                 } else {
1666                         view()->setBuffer(bufferlist.first());
1667                 }
1668         }
1669 }
1670
1671
1672 // Each "owner" should have it's own message method. lyxview and
1673 // the minibuffer would use the minibuffer, but lyxserver would
1674 // send an ERROR signal to its client.  Alejandro 970603
1675 // This function is bit problematic when it comes to NLS, to make the
1676 // lyx servers client be language indepenent we must not translate
1677 // strings sent to this func.
1678 void LyXFunc::setErrorMessage(string const & m) const
1679 {
1680         dispatch_buffer = m;
1681         errorstat = true;
1682 }
1683
1684
1685 void LyXFunc::setMessage(string const & m) const
1686 {
1687         dispatch_buffer = m;
1688 }
1689
1690
1691 void LyXFunc::setStatusMessage(string const & m) const
1692 {
1693         status_buffer = m;
1694 }
1695
1696
1697 string const LyXFunc::viewStatusMessage()
1698 {
1699         // When meta-fake key is pressed, show the key sequence so far + "M-".
1700         if (wasMetaKey())
1701                 return keyseq.print() + "M-";
1702
1703         // Else, when a non-complete key sequence is pressed,
1704         // show the available options.
1705         if (keyseq.length() > 0 && !keyseq.deleted())
1706                 return keyseq.printOptions();
1707
1708         if (!view()->available())
1709                 return _("Welcome to LyX!");
1710
1711         return view()->cursor().currentState();
1712 }
1713
1714
1715 BufferView * LyXFunc::view() const
1716 {
1717         BOOST_ASSERT(owner);
1718         return owner->view().get();
1719 }
1720
1721
1722 bool LyXFunc::wasMetaKey() const
1723 {
1724         return (meta_fake_bit != key_modifier::none);
1725 }