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/Toolbars.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 namespace biblio = lyx::biblio;
 132
 133
 134 extern BufferList bufferlist;
 135 extern LyXServer * lyxserver;
 136 extern bool selection_possible;
 137
 138 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 139
 140 // (alkis)
 141 extern tex_accent_struct get_accent(kb_action action);
 142
 143
 144 LyXFunc::LyXFunc(LyXView * lv)
 145         : owner(lv),
 146         encoded_last_key(0),
 147         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 148         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 149         meta_fake_bit(key_modifier::none)
 150 {
 151 }
 152
 153
 154 void LyXFunc::handleKeyFunc(kb_action action)
 155 {
 156         char c = encoded_last_key;
 157
 158         if (keyseq.length()) {
 159                 c = 0;
 160         }
 161
 162         owner->getIntl().getTransManager()
 163                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 164         // Need to clear, in case the minibuffer calls these
 165         // actions
 166         keyseq.clear();
 167         // copied verbatim from do_accent_char
 168         view()->cursor().resetAnchor();
 169         view()->update();
 170 }
 171
 172
 173 void LyXFunc::processKeySym(LyXKeySymPtr keysym, key_modifier::state state)
 174 {
 175         lyxerr[Debug::KEY] << "KeySym is " << keysym->getSymbolName() << endl;
 176
 177         // Do nothing if we have nothing (JMarc)
 178         if (!keysym->isOK()) {
 179                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 180                                    << endl;
 181                 return;
 182         }
 183
 184         if (keysym->isModifier()) {
 185                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 186                 return;
 187         }
 188
 189         Encoding const * encoding = view()->cursor().getEncoding();
 190
 191         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 192
 193         // Do a one-deep top-level lookup for
 194         // cancel and meta-fake keys. RVDK_PATCH_5
 195         cancel_meta_seq.reset();
 196
 197         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 198         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 199
 200         // When not cancel or meta-fake, do the normal lookup.
 201         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 202         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 203         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 204                 // remove Caps Lock and Mod2 as a modifiers
 205                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 206                 lyxerr[Debug::KEY] << "action now set to ["
 207                         << func.action << ']' << endl;
 208         }
 209
 210         // Dont remove this unless you know what you are doing.
 211         meta_fake_bit = key_modifier::none;
 212
 213         // can this happen now ?
 214         if (func.action == LFUN_NOACTION) {
 215                 func = FuncRequest(LFUN_PREFIX);
 216         }
 217
 218         if (lyxerr.debugging(Debug::KEY)) {
 219                 lyxerr << "Key [action="
 220                        << func.action << "]["
 221                        << keyseq.print() << ']'
 222                        << endl;
 223         }
 224
 225         // already here we know if it any point in going further
 226         // why not return already here if action == -1 and
 227         // num_bytes == 0? (Lgb)
 228
 229         if (keyseq.length() > 1) {
 230                 owner->message(keyseq.print());
 231         }
 232
 233
 234         // Maybe user can only reach the key via holding down shift.
 235         // Let's see. But only if shift is the only modifier
 236         if (func.action == LFUN_UNKNOWN_ACTION &&
 237             state == key_modifier::shift) {
 238                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 239                 func = keyseq.addkey(keysym, key_modifier::none);
 240                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 241         }
 242
 243         if (func.action == LFUN_UNKNOWN_ACTION) {
 244                 // Hmm, we didn't match any of the keysequences. See
 245                 // if it's normal insertable text not already covered
 246                 // by a binding
 247                 if (keysym->isText() && keyseq.length() == 1) {
 248                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 249                         func = FuncRequest(LFUN_SELFINSERT);
 250                 } else {
 251                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 252                         owner->message(_("Unknown function."));
 253                         return;
 254                 }
 255         }
 256
 257         if (func.action == LFUN_SELFINSERT) {
 258                 if (encoded_last_key != 0) {
 259                         string arg(1, encoded_last_key);
 260                         dispatch(FuncRequest(LFUN_SELFINSERT, arg));
 261                         lyxerr[Debug::KEY]
 262                                 << "SelfInsert arg[`" << arg << "']" << endl;
 263                 }
 264         } else {
 265                 dispatch(func);
 266         }
 267 }
 268
 269
 270 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 271 {
 272         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
 273         FuncStatus flag;
 274         Buffer * buf = owner->buffer();
 275         LCursor & cur = view()->cursor();
 276
 277         if (cmd.action == LFUN_NOACTION) {
 278                 setStatusMessage(N_("Nothing to do"));
 279                 flag.enabled(false);
 280                 return flag;
 281         }
 282
 283         switch (cmd.action) {
 284         case LFUN_UNKNOWN_ACTION:
 285 #ifndef HAVE_LIBAIKSAURUS
 286         case LFUN_THESAURUS_ENTRY:
 287 #endif
 288                 flag.unknown(true);
 289                 flag.enabled(false);
 290                 break;
 291         default:
 292                 flag |= lyx_gui::getStatus(cmd);
 293         }
 294
 295         if (flag.unknown()) {
 296                 setStatusMessage(N_("Unknown action"));
 297                 return flag;
 298         }
 299
 300         // the default error message if we disable the command
 301         setStatusMessage(N_("Command disabled"));
 302
 303         // Check whether we need a buffer
 304         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 305                 // no, exit directly
 306                 setStatusMessage(N_("Command not allowed with"
 307                                     "out any document open"));
 308                 flag.enabled(false);
 309                 return flag;
 310         }
 311
 312         // I would really like to avoid having this switch and rather try to
 313         // encode this in the function itself.
 314         // -- And I'd rather let an inset decide which LFUNs it is willing
 315         // to handle (Andre')
 316         bool enable = true;
 317         switch (cmd.action) {
 318         case LFUN_TOOLTIPS_TOGGLE:
 319                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 320                 break;
 321
 322         case LFUN_READ_ONLY_TOGGLE:
 323                 flag.setOnOff(buf->isReadonly());
 324                 break;
 325
 326         case LFUN_SWITCHBUFFER:
 327                 // toggle on the current buffer, but do not toggle off
 328                 // the other ones (is that a good idea?)
 329                 if (cmd.argument == buf->fileName())
 330                         flag.setOnOff(true);
 331                 break;
 332
 333         case LFUN_EXPORT:
 334                 enable = cmd.argument == "custom"
 335                         || Exporter::IsExportable(*buf, cmd.argument);
 336                 break;
 337         case LFUN_CUT:
 338         case LFUN_COPY:
 339                 enable = cur.selection();
 340                 break;
 341
 342         case LFUN_RUNCHKTEX:
 343                 enable = buf->isLatex() && lyxrc.chktex_command != "none";
 344                 break;
 345
 346         case LFUN_BUILDPROG:
 347                 enable = Exporter::IsExportable(*buf, "program");
 348                 break;
 349
 350         case LFUN_LAYOUT_TABULAR:
 351                 enable = cur.innerInsetOfType(InsetBase::TABULAR_CODE);
 352                 break;
 353
 354         case LFUN_LAYOUT:
 355         case LFUN_LAYOUT_PARAGRAPH:
 356                 enable = !cur.inset().forceDefaultParagraphs(&cur.inset());
 357                 break;
 358
 359         case LFUN_VC_REGISTER:
 360                 enable = !buf->lyxvc().inUse();
 361                 break;
 362         case LFUN_VC_CHECKIN:
 363                 enable = buf->lyxvc().inUse() && !buf->isReadonly();
 364                 break;
 365         case LFUN_VC_CHECKOUT:
 366                 enable = buf->lyxvc().inUse() && buf->isReadonly();
 367                 break;
 368         case LFUN_VC_REVERT:
 369         case LFUN_VC_UNDO:
 370                 enable = buf->lyxvc().inUse();
 371                 break;
 372         case LFUN_MENURELOAD:
 373                 enable = !buf->isUnnamed() && !buf->isClean();
 374                 break;
 375
 376
 377         case LFUN_INSET_SETTINGS: {
 378                 enable = false;
 379                 if (!cur.size())
 380                         break;
 381                 UpdatableInset * inset = cur.inset().asUpdatableInset();
 382                 lyxerr << "inset: " << inset << endl;
 383                 if (!inset)
 384                         break;
 385
 386                 InsetOld::Code code = inset->lyxCode();
 387                 switch (code) {
 388                         case InsetOld::TABULAR_CODE:
 389                                 enable = cmd.argument == "tabular";
 390                                 break;
 391                         case InsetOld::ERT_CODE:
 392                                 enable = cmd.argument == "ert";
 393                                 break;
 394                         case InsetOld::FLOAT_CODE:
 395                                 enable = cmd.argument == "float";
 396                                 break;
 397                         case InsetOld::WRAP_CODE:
 398                                 enable = cmd.argument == "wrap";
 399                                 break;
 400                         case InsetOld::NOTE_CODE:
 401                                 enable = cmd.argument == "note";
 402                                 break;
 403                         case InsetOld::BRANCH_CODE:
 404                                 enable = cmd.argument == "branch";
 405                                 break;
 406                         case InsetOld::BOX_CODE:
 407                                 enable = cmd.argument == "box";
 408                                 break;
 409                         default:
 410                                 break;
 411                 }
 412                 break;
 413         }
 414
 415         case LFUN_DIALOG_SHOW: {
 416                 string const name = cmd.getArg(0);
 417                 if (!buf)
 418                         enable = name == "aboutlyx"
 419                                 || name == "file"
 420                                 || name == "forks"
 421                                 || name == "prefs"
 422                                 || name == "texinfo";
 423                 else if (name == "print")
 424                         enable = Exporter::IsExportable(*buf, "dvi")
 425                                 && lyxrc.print_command != "none";
 426                 else if (name == "character")
 427                         enable = cur.inset().lyxCode() != InsetOld::ERT_CODE;
 428                 else if (name == "vclog")
 429                         enable = buf->lyxvc().inUse();
 430                 else if (name == "latexlog")
 431                         enable = IsFileReadable(buf->getLogName().second);
 432                 break;
 433         }
 434
 435         case LFUN_DIALOG_UPDATE: {
 436                 string const name = cmd.getArg(0);
 437                 if (!buf)
 438                         enable = name == "prefs";
 439                 break;
 440         }
 441
 442         // this one is difficult to get right. As a half-baked
 443         // solution, we consider only the first action of the sequence
 444         case LFUN_SEQUENCE: {
 445                 // argument contains ';'-terminated commands
 446                 string const firstcmd = token(cmd.argument, ';', 0);
 447                 flag = getStatus(lyxaction.lookupFunc(firstcmd));
 448         }
 449
 450         case LFUN_MENUNEW:
 451         case LFUN_MENUNEWTMPLT:
 452         case LFUN_WORDFINDFORWARD:
 453         case LFUN_WORDFINDBACKWARD:
 454         case LFUN_PREFIX:
 455         case LFUN_EXEC_COMMAND:
 456         case LFUN_CANCEL:
 457         case LFUN_META_FAKE:
 458         case LFUN_CLOSEBUFFER:
 459         case LFUN_MENUWRITE:
 460         case LFUN_WRITEAS:
 461         case LFUN_UPDATE:
 462         case LFUN_PREVIEW:
 463         case LFUN_IMPORT:
 464         case LFUN_QUIT:
 465         case LFUN_TOCVIEW:
 466         case LFUN_AUTOSAVE:
 467         case LFUN_RECONFIGURE:
 468         case LFUN_HELP_OPEN:
 469         case LFUN_FILE_NEW:
 470         case LFUN_FILE_OPEN:
 471         case LFUN_DROP_LAYOUTS_CHOICE:
 472         case LFUN_MENU_OPEN_BY_NAME:
 473         case LFUN_GETNAME:
 474         case LFUN_NOTIFY:
 475         case LFUN_GOTOFILEROW:
 476         case LFUN_GOTO_PARAGRAPH:
 477         case LFUN_DIALOG_SHOW_NEW_INSET:
 478         case LFUN_DIALOG_SHOW_NEXT_INSET:
 479         case LFUN_DIALOG_HIDE:
 480         case LFUN_DIALOG_DISCONNECT_INSET:
 481         case LFUN_CHILDOPEN:
 482         case LFUN_TOGGLECURSORFOLLOW:
 483         case LFUN_KMAP_OFF:
 484         case LFUN_KMAP_PRIM:
 485         case LFUN_KMAP_SEC:
 486         case LFUN_KMAP_TOGGLE:
 487         case LFUN_REPEAT:
 488         case LFUN_EXPORT_CUSTOM:
 489         case LFUN_PRINT:
 490         case LFUN_SAVEPREFERENCES:
 491         case LFUN_SCREEN_FONT_UPDATE:
 492         case LFUN_SET_COLOR:
 493         case LFUN_MESSAGE:
 494         case LFUN_EXTERNAL_EDIT:
 495         case LFUN_GRAPHICS_EDIT:
 496         case LFUN_ALL_INSETS_TOGGLE:
 497         case LFUN_LANGUAGE_BUFFER:
 498         case LFUN_TEXTCLASS_APPLY:
 499         case LFUN_TEXTCLASS_LOAD:
 500         case LFUN_SAVE_AS_DEFAULT:
 501         case LFUN_BUFFERPARAMS_APPLY:
 502         case LFUN_LYXRC_APPLY:
 503                 // these are handled in our dispatch()
 504                 break;
 505
 506         default:
 507
 508                 cur.getStatus(cmd, flag);
 509                 if (!flag.enabled())
 510                         flag = view()->getStatus(cmd);
 511         }
 512
 513         if (!enable)
 514                 flag.enabled(false);
 515
 516         // Can we use a readonly buffer?
 517         if (buf && buf->isReadonly()
 518             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 519             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 520                 setStatusMessage(N_("Document is read-only"));
 521                 flag.enabled(false);
 522         }
 523
 524         //lyxerr << "LyXFunc::getStatus: got: " << flag.enabled() << endl;
 525         return flag;
 526 }
 527
 528
 529 namespace {
 530
 531 bool ensureBufferClean(BufferView * bv)
 532 {
 533         Buffer & buf = *bv->buffer();
 534         if (buf.isClean())
 535                 return true;
 536
 537         string const file = MakeDisplayPath(buf.fileName(), 30);
 538         string text = bformat(_("The document %1$s has unsaved "
 539                                 "changes.\n\nDo you want to save "
 540                                 "the document?"), file);
 541         int const ret = Alert::prompt(_("Save changed document?"),
 542                                       text, 0, 1, _("&Save"),
 543                                       _("&Cancel"));
 544
 545         if (ret == 0)
 546                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 547
 548         return buf.isClean();
 549 }
 550
 551
 552 void showPrintError(string const & name)
 553 {
 554         string str = bformat(_("Could not print the document %1$s.\n"
 555                                "Check that your printer is set up correctly."),
 556                              MakeDisplayPath(name, 50));
 557         Alert::error(_("Print document failed"), str);
 558 }
 559
 560
 561 void loadTextclass(string const & name)
 562 {
 563         std::pair<bool, lyx::textclass_type> const tc_pair =
 564                 textclasslist.NumberOfClass(name);
 565
 566         if (!tc_pair.first) {
 567                 lyxerr << "Document class \"" << name
 568                        << "\" does not exist."
 569                        << std::endl;
 570                 return;
 571         }
 572
 573         lyx::textclass_type const tc = tc_pair.second;
 574
 575         if (!textclasslist[tc].load()) {
 576                 string s = bformat(_("The document could not be converted\n"
 577                                      "into the document class %1$s."),
 578                                    textclasslist[tc].name());
 579                 Alert::error(_("Could not change class"), s);
 580         }
 581 }
 582
 583 } //namespace anon
 584
 585
 586 void LyXFunc::dispatch(FuncRequest const & cmd, bool verbose)
 587 {
 588         string const argument = cmd.argument;
 589         kb_action const action = cmd.action;
 590
 591         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: cmd: " << cmd << endl;
 592         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 593
 594         // we have not done anything wrong yet.
 595         errorstat = false;
 596         dispatch_buffer.erase();
 597         selection_possible = false;
 598
 599         bool update = true;
 600
 601         // We cannot use this function here
 602         if (!getStatus(cmd).enabled()) {
 603                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 604                        << lyxaction.getActionName(action)
 605                        << " [" << action << "] is disabled at this location"
 606                        << endl;
 607                 setErrorMessage(getStatusMessage());
 608
 609         } else {
 610
 611                 if (view()->available())
 612                         view()->hideCursor();
 613
 614                 switch (action) {
 615
 616                 case LFUN_WORDFINDFORWARD:
 617                 case LFUN_WORDFINDBACKWARD: {
 618                         static string last_search;
 619                         string searched_string;
 620
 621                         if (!argument.empty()) {
 622                                 last_search = argument;
 623                                 searched_string = argument;
 624                         } else {
 625                                 searched_string = last_search;
 626                         }
 627
 628                         if (searched_string.empty())
 629                                 break;
 630
 631                         bool const fw = action == LFUN_WORDFINDFORWARD;
 632                         string const data =
 633                                 lyx::find::find2string(searched_string, true, false, fw);
 634                         lyx::find::find(view(), FuncRequest(LFUN_WORD_FIND, data));
 635                         break;
 636                 }
 637
 638                 case LFUN_PREFIX:
 639                         owner->message(keyseq.printOptions());
 640                         break;
 641
 642                 case LFUN_EXEC_COMMAND:
 643                         owner->getToolbars().display("minibuffer", true);
 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->getToolbars().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
1052                         else if (name == "latexlog") {
1053                                 pair<Buffer::LogType, string> const logfile =
1054                                         owner->buffer()->getLogName();
1055                                 switch (logfile.first) {
1056                                 case Buffer::latexlog:
1057                                         data = "latex ";
1058                                         break;
1059                                 case Buffer::buildlog:
1060                                         data = "literate ";
1061                                         break;
1062                                 }
1063                                 data += logfile.second;
1064                                 owner->getDialogs().show("log", data);
1065                         }
1066                         else if (name == "vclog") {
1067                                 string const data = "vc " +
1068                                         owner->buffer()->lyxvc().getLogFile();
1069                                 owner->getDialogs().show("log", data);
1070                         }
1071                         else
1072                                 owner->getDialogs().show(name, data);
1073                         break;
1074                 }
1075
1076                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1077                         string const name = cmd.getArg(0);
1078                         string data = trim(cmd.argument.substr(name.size()));
1079                         if (name == "bibitem" ||
1080                             name == "bibtex" ||
1081                             name == "include" ||
1082                             name == "index" ||
1083                             name == "label" ||
1084                             name == "ref" ||
1085                             name == "toc" ||
1086                             name == "url") {
1087                                 InsetCommandParams p(name);
1088                                 data = InsetCommandMailer::params2string(name, p);
1089                         } else if (name == "box") {
1090                                 // \c data == "Boxed" || "Frameless" etc
1091                                 InsetBoxParams p(data);
1092                                 data = InsetBoxMailer::params2string(p);
1093                         } else if (name == "branch") {
1094                                 InsetBranchParams p;
1095                                 data = InsetBranchMailer::params2string(p);
1096                         } else if (name == "citation") {
1097                                 InsetCommandParams p("cite");
1098                                 data = InsetCommandMailer::params2string(name, p);
1099                         } else if (name == "ert") {
1100                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1101                         } else if (name == "external") {
1102                                 InsetExternalParams p;
1103                                 Buffer const & buffer = *owner->buffer();
1104                                 data = InsetExternalMailer::params2string(p, buffer);
1105                         } else if (name == "float") {
1106                                 InsetFloatParams p;
1107                                 data = InsetFloatMailer::params2string(p);
1108                         } else if (name == "graphics") {
1109                                 InsetGraphicsParams p;
1110                                 Buffer const & buffer = *owner->buffer();
1111                                 data = InsetGraphicsMailer::params2string(p, buffer);
1112                         } else if (name == "note") {
1113                                 InsetNoteParams p;
1114                                 data = InsetNoteMailer::params2string(p);
1115                         } else if (name == "vspace") {
1116                                 VSpace space;
1117                                 data = InsetVSpaceMailer::params2string(space);
1118                         } else if (name == "wrap") {
1119                                 InsetWrapParams p;
1120                                 data = InsetWrapMailer::params2string(p);
1121                         }
1122                         owner->getDialogs().show(name, data, 0);
1123                         break;
1124                 }
1125
1126                 case LFUN_DIALOG_SHOW_NEXT_INSET:
1127                         break;
1128
1129                 case LFUN_DIALOG_UPDATE: {
1130                         string const & name = argument;
1131                         // Can only update a dialog connected to an existing inset
1132                         InsetBase * inset = owner->getDialogs().getOpenInset(name);
1133                         if (inset) {
1134                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument);
1135                                 inset->dispatch(view()->cursor(), fr);
1136                         } else if (name == "paragraph") {
1137                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1138                         } else if (name == "prefs") {
1139                                 owner->getDialogs().update(name, string());
1140                         }
1141                         break;
1142                 }
1143
1144                 case LFUN_DIALOG_HIDE:
1145                         Dialogs::hide(argument, 0);
1146                         break;
1147
1148                 case LFUN_DIALOG_DISCONNECT_INSET:
1149                         owner->getDialogs().disconnect(argument);
1150                         break;
1151
1152                 case LFUN_CHILDOPEN: {
1153                         string const filename =
1154                                 MakeAbsPath(argument, owner->buffer()->filePath());
1155                         setMessage(N_("Opening child document ") +
1156                                          MakeDisplayPath(filename) + "...");
1157                         view()->savePosition(0);
1158                         string const parentfilename = owner->buffer()->fileName();
1159                         if (bufferlist.exists(filename))
1160                                 view()->setBuffer(bufferlist.getBuffer(filename));
1161                         else
1162                                 view()->loadLyXFile(filename);
1163                         // Set the parent name of the child document.
1164                         // This makes insertion of citations and references in the child work,
1165                         // when the target is in the parent or another child document.
1166                         owner->buffer()->setParentName(parentfilename);
1167                         break;
1168                 }
1169
1170                 case LFUN_TOGGLECURSORFOLLOW:
1171                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1172                         break;
1173
1174                 case LFUN_KMAP_OFF:
1175                         owner->getIntl().KeyMapOn(false);
1176                         break;
1177
1178                 case LFUN_KMAP_PRIM:
1179                         owner->getIntl().KeyMapPrim();
1180                         break;
1181
1182                 case LFUN_KMAP_SEC:
1183                         owner->getIntl().KeyMapSec();
1184                         break;
1185
1186                 case LFUN_KMAP_TOGGLE:
1187                         owner->getIntl().ToggleKeyMap();
1188                         break;
1189
1190                 case LFUN_REPEAT: {
1191                         // repeat command
1192                         string countstr;
1193                         string rest = split(argument, countstr, ' ');
1194                         istringstream is(countstr);
1195                         int count = 0;
1196                         is >> count;
1197                         lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1198                         for (int i = 0; i < count; ++i)
1199                                 dispatch(lyxaction.lookupFunc(rest));
1200                         break;
1201                 }
1202
1203                 case LFUN_SEQUENCE: {
1204                         // argument contains ';'-terminated commands
1205                         string arg = argument;
1206                         while (!arg.empty()) {
1207                                 string first;
1208                                 arg = split(arg, first, ';');
1209                                 dispatch(lyxaction.lookupFunc(first));
1210                         }
1211                         break;
1212                 }
1213
1214                 case LFUN_SAVEPREFERENCES: {
1215                         Path p(user_lyxdir());
1216                         lyxrc.write("preferences", false);
1217                         break;
1218                 }
1219
1220                 case LFUN_SCREEN_FONT_UPDATE:
1221                         // handle the screen font changes.
1222                         lyxrc.set_font_norm_type();
1223                         lyx_gui::update_fonts();
1224                         // All visible buffers will need resize
1225                         view()->resize();
1226                         break;
1227
1228                 case LFUN_SET_COLOR: {
1229                         string lyx_name;
1230                         string const x11_name = split(argument, lyx_name, ' ');
1231                         if (lyx_name.empty() || x11_name.empty()) {
1232                                 setErrorMessage(N_("Syntax: set-color <lyx_name>"
1233                                                         " <x11_name>"));
1234                                 break;
1235                         }
1236
1237                         bool const graphicsbg_changed =
1238                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1239                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1240
1241                         if (!lcolor.setColor(lyx_name, x11_name)) {
1242                                 setErrorMessage(
1243                                         bformat(_("Set-color \"%1$s\" failed "
1244                                                                 "- color is undefined or "
1245                                                                 "may not be redefined"), lyx_name));
1246                                 break;
1247                         }
1248
1249                         lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1250
1251                         if (graphicsbg_changed) {
1252 #ifdef WITH_WARNINGS
1253 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1254 #endif
1255 #if 0
1256                                 lyx::graphics::GCache::get().changeDisplay(true);
1257 #endif
1258                         }
1259                         break;
1260                 }
1261
1262                 case LFUN_MESSAGE:
1263                         owner->message(argument);
1264                         break;
1265
1266                 case LFUN_TOOLTIPS_TOGGLE:
1267                         owner->getDialogs().toggleTooltips();
1268                         break;
1269
1270                 case LFUN_EXTERNAL_EDIT: {
1271                         FuncRequest fr(action, argument);
1272                         InsetExternal().dispatch(view()->cursor(), fr);
1273                         break;
1274                 }
1275
1276                 case LFUN_GRAPHICS_EDIT: {
1277                         FuncRequest fr(action, argument);
1278                         InsetGraphics().dispatch(view()->cursor(), fr);
1279                         break;
1280                 }
1281
1282                 case LFUN_ALL_INSETS_TOGGLE: {
1283                         string action;
1284                         string const name = split(argument, action, ' ');
1285                         InsetBase::Code const inset_code =
1286                                 InsetBase::translate(name);
1287
1288                         LCursor & cur = view()->cursor();
1289                         FuncRequest fr(LFUN_INSET_TOGGLE, action);
1290
1291                         InsetBase & inset = owner->buffer()->inset();
1292                         InsetIterator it  = inset_iterator_begin(inset);
1293                         InsetIterator const end = inset_iterator_end(inset);
1294                         for (; it != end; ++it) {
1295                                 if (inset_code == InsetBase::NO_CODE
1296                                     || inset_code == it->lyxCode())
1297                                         it->dispatch(cur, fr);
1298                         }
1299                         break;
1300                 }
1301
1302                 case LFUN_LANGUAGE_BUFFER: {
1303                         Buffer & buffer = *owner->buffer();
1304                         Language const * oldL = buffer.params().language;
1305                         Language const * newL = languages.getLanguage(argument);
1306                         if (!newL || oldL == newL)
1307                                 break;
1308
1309                         if (oldL->RightToLeft() == newL->RightToLeft()
1310                             && !buffer.isMultiLingual())
1311                                 buffer.changeLanguage(oldL, newL);
1312                         else
1313                                 buffer.updateDocLang(newL);
1314                         break;
1315                 }
1316
1317                 case LFUN_BUFFERPARAMS_APPLY: {
1318                         biblio::CiteEngine const engine =
1319                                 owner->buffer()->params().cite_engine;
1320
1321                         istringstream ss(argument);
1322                         LyXLex lex(0,0);
1323                         lex.setStream(ss);
1324                         int const unknown_tokens =
1325                                 owner->buffer()->readHeader(lex);
1326
1327                         if (unknown_tokens != 0) {
1328                                 lyxerr << "Warning in LFUN_BUFFERPARAMS_APPLY!\n"
1329                                        << unknown_tokens << " unknown token"
1330                                        << (unknown_tokens == 1 ? "" : "s")
1331                                        << endl;
1332                         }
1333                         if (engine == owner->buffer()->params().cite_engine)
1334                                 break;
1335
1336                         LCursor & cur = view()->cursor();
1337                         FuncRequest fr(LFUN_INSET_REFRESH);
1338
1339                         InsetBase & inset = owner->buffer()->inset();
1340                         InsetIterator it  = inset_iterator_begin(inset);
1341                         InsetIterator const end = inset_iterator_end(inset);
1342                         for (; it != end; ++it)
1343                                 if (it->lyxCode() == InsetBase::CITE_CODE)
1344                                         it->dispatch(cur, fr);
1345                         break;
1346                 }
1347
1348                 case LFUN_TEXTCLASS_APPLY: {
1349                         Buffer * buffer = owner->buffer();
1350
1351                         lyx::textclass_type const old_class =
1352                                 buffer->params().textclass;
1353
1354                         loadTextclass(argument);
1355
1356                         std::pair<bool, lyx::textclass_type> const tc_pair =
1357                                 textclasslist.NumberOfClass(argument);
1358
1359                         if (!tc_pair.first)
1360                                 break;
1361
1362                         lyx::textclass_type const new_class = tc_pair.second;
1363                         if (old_class == new_class)
1364                                 // nothing to do
1365                                 break;
1366
1367                         owner->message(_("Converting document to new document class..."));
1368                         ErrorList el;
1369                         lyx::cap::SwitchLayoutsBetweenClasses(
1370                                 old_class, new_class,
1371                                 buffer->paragraphs(), el);
1372
1373                         bufferErrors(*buffer, el);
1374                         view()->showErrorList(_("Class switch"));
1375                         break;
1376                 }
1377
1378                 case LFUN_TEXTCLASS_LOAD:
1379                         loadTextclass(argument);
1380                         break;
1381
1382                 case LFUN_LYXRC_APPLY: {
1383                         istringstream ss(argument);
1384                         bool const success = lyxrc.read(ss) == 0;
1385
1386                         if (!success) {
1387                                 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1388                                        << "Unable to read lyxrc data"
1389                                        << endl;
1390                         }
1391                         break;
1392                 }
1393
1394                 default: {
1395                         update = false;
1396                         DispatchResult res = view()->cursor().dispatch(cmd);
1397                         if (res.dispatched())
1398                                 update |= res.update();
1399                         else
1400                                 update |= view()->dispatch(cmd);
1401
1402                         break;
1403                 }
1404                 }
1405
1406                 if (view()->available()) {
1407                         if (view()->fitCursor() || update)
1408                                 view()->update();
1409                         // if we executed a mutating lfun, mark the buffer as dirty
1410                         if (getStatus(cmd).enabled()
1411                                         && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)
1412                                         && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly))
1413                                 view()->buffer()->markDirty();
1414                 }
1415
1416                 if (view()->cursor().inTexted()) {
1417                         view()->owner()->updateLayoutChoice();
1418                         sendDispatchMessage(getMessage(), cmd, verbose);
1419                 }
1420         }
1421 }
1422
1423
1424 void LyXFunc::sendDispatchMessage(string const & msg,
1425                                   FuncRequest const & cmd, bool verbose)
1426 {
1427         owner->updateMenubar();
1428         owner->updateToolbars();
1429
1430         if (cmd.action == LFUN_SELFINSERT || !verbose) {
1431                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1432                 if (!msg.empty())
1433                         owner->message(msg);
1434                 return;
1435         }
1436
1437         string dispatch_msg = msg;
1438         if (!dispatch_msg.empty())
1439                 dispatch_msg += ' ';
1440
1441         string comname = lyxaction.getActionName(cmd.action);
1442
1443         bool argsadded = false;
1444
1445         if (!cmd.argument.empty()) {
1446                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1447                         comname += ' ' + cmd.argument;
1448                         argsadded = true;
1449                 }
1450         }
1451
1452         string const shortcuts = toplevel_keymap->findbinding(cmd);
1453
1454         if (!shortcuts.empty()) {
1455                 comname += ": " + shortcuts;
1456         } else if (!argsadded && !cmd.argument.empty()) {
1457                 comname += ' ' + cmd.argument;
1458         }
1459
1460         if (!comname.empty()) {
1461                 comname = rtrim(comname);
1462                 dispatch_msg += '(' + comname + ')';
1463         }
1464
1465         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1466         if (!dispatch_msg.empty())
1467                 owner->message(dispatch_msg);
1468 }
1469
1470
1471 void LyXFunc::setupLocalKeymap()
1472 {
1473         keyseq.stdmap = toplevel_keymap.get();
1474         keyseq.curmap = toplevel_keymap.get();
1475         cancel_meta_seq.stdmap = toplevel_keymap.get();
1476         cancel_meta_seq.curmap = toplevel_keymap.get();
1477 }
1478
1479
1480 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1481 {
1482         string initpath = lyxrc.document_path;
1483         string filename(name);
1484
1485         if (view()->available()) {
1486                 string const trypath = owner->buffer()->filePath();
1487                 // If directory is writeable, use this as default.
1488                 if (IsDirWriteable(trypath))
1489                         initpath = trypath;
1490         }
1491
1492         static int newfile_number;
1493
1494         if (filename.empty()) {
1495                 filename = AddName(lyxrc.document_path,
1496                             "newfile" + tostr(++newfile_number) + ".lyx");
1497                 FileInfo fi(filename);
1498                 while (bufferlist.exists(filename) || fi.readable()) {
1499                         ++newfile_number;
1500                         filename = AddName(lyxrc.document_path,
1501                                     "newfile" + tostr(newfile_number) +
1502                                     ".lyx");
1503                         fi.newFile(filename);
1504                 }
1505         }
1506
1507         // The template stuff
1508         string templname;
1509         if (fromTemplate) {
1510                 FileDialog fileDlg(_("Select template file"),
1511                         LFUN_SELECT_FILE_SYNC,
1512                         make_pair(string(_("Documents|#o#O")),
1513                                   string(lyxrc.document_path)),
1514                         make_pair(string(_("Templates|#T#t")),
1515                                   string(lyxrc.template_path)));
1516
1517                 FileDialog::Result result =
1518                         fileDlg.open(lyxrc.template_path,
1519                                      FileFilterList(_("LyX Documents (*.lyx)")),
1520                                      string());
1521
1522                 if (result.first == FileDialog::Later)
1523                         return;
1524                 if (result.second.empty())
1525                         return;
1526                 templname = result.second;
1527         }
1528
1529         view()->newFile(filename, templname, !name.empty());
1530 }
1531
1532
1533 void LyXFunc::open(string const & fname)
1534 {
1535         string initpath = lyxrc.document_path;
1536
1537         if (view()->available()) {
1538                 string const trypath = owner->buffer()->filePath();
1539                 // If directory is writeable, use this as default.
1540                 if (IsDirWriteable(trypath))
1541                         initpath = trypath;
1542         }
1543
1544         string filename;
1545
1546         if (fname.empty()) {
1547                 FileDialog fileDlg(_("Select document to open"),
1548                         LFUN_FILE_OPEN,
1549                         make_pair(string(_("Documents|#o#O")),
1550                                   string(lyxrc.document_path)),
1551                         make_pair(string(_("Examples|#E#e")),
1552                                   string(AddPath(system_lyxdir(), "examples"))));
1553
1554                 FileDialog::Result result =
1555                         fileDlg.open(initpath,
1556                                      FileFilterList(_("LyX Documents (*.lyx)")),
1557                                      string());
1558
1559                 if (result.first == FileDialog::Later)
1560                         return;
1561
1562                 filename = result.second;
1563
1564                 // check selected filename
1565                 if (filename.empty()) {
1566                         owner->message(_("Canceled."));
1567                         return;
1568                 }
1569         } else
1570                 filename = fname;
1571
1572         // get absolute path of file and add ".lyx" to the filename if
1573         // necessary
1574         string const fullpath = FileSearch(string(), filename, "lyx");
1575         if (!fullpath.empty()) {
1576                 filename = fullpath;
1577         }
1578
1579         string const disp_fn(MakeDisplayPath(filename));
1580
1581         // if the file doesn't exist, let the user create one
1582         FileInfo const f(filename, true);
1583         if (!f.exist()) {
1584                 // the user specifically chose this name. Believe them.
1585                 view()->newFile(filename, "", true);
1586                 return;
1587         }
1588
1589         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1590
1591         string str2;
1592         if (view()->loadLyXFile(filename)) {
1593                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1594         } else {
1595                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1596         }
1597         owner->message(str2);
1598 }
1599
1600
1601 void LyXFunc::doImport(string const & argument)
1602 {
1603         string format;
1604         string filename = split(argument, format, ' ');
1605
1606         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1607                             << " file: " << filename << endl;
1608
1609         // need user interaction
1610         if (filename.empty()) {
1611                 string initpath = lyxrc.document_path;
1612
1613                 if (view()->available()) {
1614                         string const trypath = owner->buffer()->filePath();
1615                         // If directory is writeable, use this as default.
1616                         if (IsDirWriteable(trypath))
1617                                 initpath = trypath;
1618                 }
1619
1620                 string const text = bformat(_("Select %1$s file to import"),
1621                         formats.prettyName(format));
1622
1623                 FileDialog fileDlg(text,
1624                         LFUN_IMPORT,
1625                         make_pair(string(_("Documents|#o#O")),
1626                                   string(lyxrc.document_path)),
1627                         make_pair(string(_("Examples|#E#e")),
1628                                   string(AddPath(system_lyxdir(), "examples"))));
1629
1630                 string const filter = formats.prettyName(format)
1631                         + " (*." + formats.extension(format) + ')';
1632
1633                 FileDialog::Result result =
1634                         fileDlg.open(initpath,
1635                                      FileFilterList(filter),
1636                                      string());
1637
1638                 if (result.first == FileDialog::Later)
1639                         return;
1640
1641                 filename = result.second;
1642
1643                 // check selected filename
1644                 if (filename.empty())
1645                         owner->message(_("Canceled."));
1646         }
1647
1648         if (filename.empty())
1649                 return;
1650
1651         // get absolute path of file
1652         filename = MakeAbsPath(filename);
1653
1654         string const lyxfile = ChangeExtension(filename, ".lyx");
1655
1656         // Check if the document already is open
1657         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1658                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1659                         owner->message(_("Canceled."));
1660                         return;
1661                 }
1662         }
1663
1664         // if the file exists already, and we didn't do
1665         // -i lyx thefile.lyx, warn
1666         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1667                 string const file = MakeDisplayPath(lyxfile, 30);
1668
1669                 string text = bformat(_("The document %1$s already exists.\n\n"
1670                         "Do you want to over-write that document?"), file);
1671                 int const ret = Alert::prompt(_("Over-write document?"),
1672                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1673
1674                 if (ret == 1) {
1675                         owner->message(_("Canceled."));
1676                         return;
1677                 }
1678         }
1679
1680         Importer::Import(owner, filename, format);
1681 }
1682
1683
1684 void LyXFunc::closeBuffer()
1685 {
1686         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1687                 if (bufferlist.empty()) {
1688                         // need this otherwise SEGV may occur while
1689                         // trying to set variables that don't exist
1690                         // since there's no current buffer
1691                         owner->getDialogs().hideBufferDependent();
1692                 } else {
1693                         view()->setBuffer(bufferlist.first());
1694                 }
1695         }
1696 }
1697
1698
1699 // Each "owner" should have it's own message method. lyxview and
1700 // the minibuffer would use the minibuffer, but lyxserver would
1701 // send an ERROR signal to its client.  Alejandro 970603
1702 // This function is bit problematic when it comes to NLS, to make the
1703 // lyx servers client be language indepenent we must not translate
1704 // strings sent to this func.
1705 void LyXFunc::setErrorMessage(string const & m) const
1706 {
1707         dispatch_buffer = m;
1708         errorstat = true;
1709 }
1710
1711
1712 void LyXFunc::setMessage(string const & m) const
1713 {
1714         dispatch_buffer = m;
1715 }
1716
1717
1718 void LyXFunc::setStatusMessage(string const & m) const
1719 {
1720         status_buffer = m;
1721 }
1722
1723
1724 string const LyXFunc::viewStatusMessage()
1725 {
1726         // When meta-fake key is pressed, show the key sequence so far + "M-".
1727         if (wasMetaKey())
1728                 return keyseq.print() + "M-";
1729
1730         // Else, when a non-complete key sequence is pressed,
1731         // show the available options.
1732         if (keyseq.length() > 0 && !keyseq.deleted())
1733                 return keyseq.printOptions();
1734
1735         if (!view()->available())
1736                 return _("Welcome to LyX!");
1737
1738         return view()->cursor().currentState();
1739 }
1740
1741
1742 BufferView * LyXFunc::view() const
1743 {
1744         BOOST_ASSERT(owner);
1745         return owner->view().get();
1746 }
1747
1748
1749 bool LyXFunc::wasMetaKey() const
1750 {
1751         return (meta_fake_bit != key_modifier::none);
1752 }