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$s has unsaved "
 542                                 "changes.\n\nDo you want to save "
 543                                 "the document?"), file);
 544         int const ret = Alert::prompt(_("Save changed document?"),
 545                                       text, 0, 1, _("&Save"),
 546                                       _("&Cancel"));
 547
 548         if (ret == 0)
 549                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 550
 551         return buf.isClean();
 552 }
 553
 554 void showPrintError(string const & name)
 555 {
 556                 string str = bformat(_("Could not print the document %1$s.\n"
 557                         "Check that your printer is set up correctly."),
 558                         MakeDisplayPath(name, 50));
 559                 Alert::error(_("Print document failed"), str);
 560 }
 561
 562 } //namespace anon
 563
 564
 565 void LyXFunc::dispatch(FuncRequest const & cmd, bool verbose)
 566 {
 567         string const argument = cmd.argument;
 568         kb_action const action = cmd.action;
 569
 570         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: cmd: " << cmd << endl;
 571         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 572
 573         // we have not done anything wrong yet.
 574         errorstat = false;
 575         dispatch_buffer.erase();
 576         selection_possible = false;
 577
 578         // We cannot use this function here
 579         if (!getStatus(cmd).enabled()) {
 580                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 581                        << lyxaction.getActionName(action)
 582                        << " [" << action << "] is disabled at this location"
 583                        << endl;
 584                 setErrorMessage(getStatusMessage());
 585
 586         } else {
 587
 588                 if (view()->available())
 589                         view()->hideCursor();
 590
 591                 switch (action) {
 592
 593                 case LFUN_WORDFINDFORWARD:
 594                 case LFUN_WORDFINDBACKWARD: {
 595                         static string last_search;
 596                         string searched_string;
 597
 598                         if (!argument.empty()) {
 599                                 last_search = argument;
 600                                 searched_string = argument;
 601                         } else {
 602                                 searched_string = last_search;
 603                         }
 604
 605                         if (searched_string.empty())
 606                                 break;
 607
 608                         bool const fw = action == LFUN_WORDFINDFORWARD;
 609                         string const data =
 610                                 lyx::find::find2string(searched_string, true, false, fw);
 611                         lyx::find::find(view(), FuncRequest(LFUN_WORD_FIND, data));
 612                         break;
 613                 }
 614
 615                 case LFUN_PREFIX:
 616                         owner->message(keyseq.printOptions());
 617                         break;
 618
 619                 case LFUN_EXEC_COMMAND:
 620                         owner->focus_command_buffer();
 621                         break;
 622
 623                 case LFUN_CANCEL:
 624                         keyseq.reset();
 625                         meta_fake_bit = key_modifier::none;
 626                         if (view()->available())
 627                                 // cancel any selection
 628                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 629                         setMessage(N_("Cancel"));
 630                         break;
 631
 632                 case LFUN_META_FAKE:
 633                         meta_fake_bit = key_modifier::alt;
 634                         setMessage(keyseq.print());
 635                         break;
 636
 637                 case LFUN_READ_ONLY_TOGGLE:
 638                         if (owner->buffer()->lyxvc().inUse())
 639                                 owner->buffer()->lyxvc().toggleReadOnly();
 640                         else
 641                                 owner->buffer()->setReadonly(
 642                                         !owner->buffer()->isReadonly());
 643                         break;
 644
 645                 // --- Menus -----------------------------------------------
 646                 case LFUN_MENUNEW:
 647                         menuNew(argument, false);
 648                         break;
 649
 650                 case LFUN_MENUNEWTMPLT:
 651                         menuNew(argument, true);
 652                         break;
 653
 654                 case LFUN_CLOSEBUFFER:
 655                         closeBuffer();
 656                         break;
 657
 658                 case LFUN_MENUWRITE:
 659                         if (!owner->buffer()->isUnnamed()) {
 660                                 string const str = bformat(_("Saving document %1$s..."),
 661                                          MakeDisplayPath(owner->buffer()->fileName()));
 662                                 owner->message(str);
 663                                 MenuWrite(owner->buffer());
 664                                 owner->message(str + _(" done."));
 665                         } else
 666                                 WriteAs(owner->buffer());
 667                         break;
 668
 669                 case LFUN_WRITEAS:
 670                         WriteAs(owner->buffer(), argument);
 671                         break;
 672
 673                 case LFUN_MENURELOAD: {
 674                         string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
 675                         string text = bformat(_("Any changes will be lost. Are you sure "
 676                                 "you want to revert to the saved version of the document %1$s?"), file);
 677                         int const ret = Alert::prompt(_("Revert to saved document?"),
 678                                 text, 0, 1, _("&Revert"), _("&Cancel"));
 679
 680                         if (ret == 0)
 681                                 view()->reload();
 682                         break;
 683                 }
 684
 685                 case LFUN_UPDATE:
 686                         Exporter::Export(owner->buffer(), argument, true);
 687                         view()->showErrorList(BufferFormat(*owner->buffer()));
 688                         break;
 689
 690                 case LFUN_PREVIEW:
 691                         Exporter::Preview(owner->buffer(), argument);
 692                         view()->showErrorList(BufferFormat(*owner->buffer()));
 693                         break;
 694
 695                 case LFUN_BUILDPROG:
 696                         Exporter::Export(owner->buffer(), "program", true);
 697                         view()->showErrorList(_("Build"));
 698                         break;
 699
 700                 case LFUN_RUNCHKTEX:
 701                         owner->buffer()->runChktex();
 702                         view()->showErrorList(_("ChkTeX"));
 703                         break;
 704
 705                 case LFUN_EXPORT:
 706                         if (argument == "custom")
 707                                 owner->getDialogs().show("sendto");
 708                         else {
 709                                 Exporter::Export(owner->buffer(), argument, false);
 710                                 view()->showErrorList(BufferFormat(*owner->buffer()));
 711                         }
 712                         break;
 713
 714                 case LFUN_EXPORT_CUSTOM: {
 715                         string format_name;
 716                         string command = split(argument, format_name, ' ');
 717                         Format const * format = formats.getFormat(format_name);
 718                         if (!format) {
 719                                 lyxerr << "Format \"" << format_name
 720                                        << "\" not recognized!"
 721                                        << std::endl;
 722                                 break;
 723                         }
 724
 725                         Buffer * buffer = owner->buffer();
 726
 727                         // The name of the file created by the conversion process
 728                         string filename;
 729
 730                         // Output to filename
 731                         if (format->name() == "lyx") {
 732                                 string const latexname =
 733                                         buffer->getLatexName(false);
 734                                 filename = ChangeExtension(latexname,
 735                                                            format->extension());
 736                                 filename = AddName(buffer->temppath(), filename);
 737
 738                                 if (!buffer->writeFile(filename))
 739                                         break;
 740
 741                         } else {
 742                                 Exporter::Export(buffer, format_name, true,
 743                                                  filename);
 744                         }
 745
 746                         // Substitute $$FName for filename
 747                         if (!contains(command, "$$FName"))
 748                                 command = "( " + command + " ) < $$FName";
 749                         command = subst(command, "$$FName", filename);
 750
 751                         // Execute the command in the background
 752                         Systemcall call;
 753                         call.startscript(Systemcall::DontWait, command);
 754                         break;
 755                 }
 756
 757                 case LFUN_PRINT: {
 758                         string target;
 759                         string target_name;
 760                         string command = split(split(argument, target, ' '),
 761                                                target_name, ' ');
 762
 763                         if (target.empty()
 764                             || target_name.empty()
 765                             || command.empty()) {
 766                                 lyxerr << "Unable to parse \""
 767                                        << argument << '"' << std::endl;
 768                                 break;
 769                         }
 770                         if (target != "printer" && target != "file") {
 771                                 lyxerr << "Unrecognized target \""
 772                                        << target << '"' << std::endl;
 773                                 break;
 774                         }
 775
 776                         Buffer * buffer = owner->buffer();
 777
 778                         if (!Exporter::Export(buffer, "dvi", true)) {
 779                                 showPrintError(buffer->fileName());
 780                                 break;
 781                         }
 782
 783                         // Push directory path.
 784                         string const path = buffer->temppath();
 785                         Path p(path);
 786
 787                         // there are three cases here:
 788                         // 1. we print to a file
 789                         // 2. we print directly to a printer
 790                         // 3. we print using a spool command (print to file first)
 791                         Systemcall one;
 792                         int res = 0;
 793                         string const dviname =
 794                                 ChangeExtension(buffer->getLatexName(true),
 795                                                 "dvi");
 796
 797                         if (target == "printer") {
 798                                 if (!lyxrc.print_spool_command.empty()) {
 799                                         // case 3: print using a spool
 800                                         string const psname =
 801                                                 ChangeExtension(dviname,".ps");
 802                                         command += lyxrc.print_to_file
 803                                                 + QuoteName(psname)
 804                                                 + ' '
 805                                                 + QuoteName(dviname);
 806
 807                                         string command2 =
 808                                                 lyxrc.print_spool_command +' ';
 809                                         if (target_name != "default") {
 810                                                 command2 += lyxrc.print_spool_printerprefix
 811                                                         + target_name
 812                                                         + ' ';
 813                                         }
 814                                         command2 += QuoteName(psname);
 815                                         // First run dvips.
 816                                         // If successful, then spool command
 817                                         res = one.startscript(
 818                                                 Systemcall::Wait,
 819                                                 command);
 820
 821                                         if (res == 0)
 822                                                 res = one.startscript(
 823                                                         Systemcall::DontWait,
 824                                                         command2);
 825                                 } else {
 826                                         // case 2: print directly to a printer
 827                                         res = one.startscript(
 828                                                 Systemcall::DontWait,
 829                                                 command + QuoteName(dviname));
 830                                 }
 831
 832                         } else {
 833                                 // case 1: print to a file
 834                                 command += lyxrc.print_to_file
 835                                         + QuoteName(MakeAbsPath(target_name,
 836                                                                 path))
 837                                         + ' '
 838                                         + QuoteName(dviname);
 839                                 res = one.startscript(Systemcall::DontWait,
 840                                                       command);
 841                         }
 842
 843                         if (res != 0)
 844                                 showPrintError(buffer->fileName());
 845                         break;
 846                 }
 847
 848                 case LFUN_IMPORT:
 849                         doImport(argument);
 850                         break;
 851
 852                 case LFUN_QUIT:
 853                         QuitLyX();
 854                         break;
 855
 856                 case LFUN_TOCVIEW: {
 857                         InsetCommandParams p("tableofcontents");
 858                         string const data = InsetCommandMailer::params2string("toc", p);
 859                         owner->getDialogs().show("toc", data, 0);
 860                         break;
 861                 }
 862
 863                 case LFUN_AUTOSAVE:
 864                         AutoSave(view());
 865                         break;
 866
 867                 case LFUN_RECONFIGURE:
 868                         Reconfigure(view());
 869                         break;
 870
 871                 case LFUN_HELP_OPEN: {
 872                         string const arg = argument;
 873                         if (arg.empty()) {
 874                                 setErrorMessage(N_("Missing argument"));
 875                                 break;
 876                         }
 877                         string const fname = i18nLibFileSearch("doc", arg, "lyx");
 878                         if (fname.empty()) {
 879                                 lyxerr << "LyX: unable to find documentation file `"
 880                                                          << arg << "'. Bad installation?" << endl;
 881                                 break;
 882                         }
 883                         owner->message(bformat(_("Opening help file %1$s..."),
 884                                 MakeDisplayPath(fname)));
 885                         view()->loadLyXFile(fname, false);
 886                         break;
 887                 }
 888
 889                 // --- version control -------------------------------
 890                 case LFUN_VC_REGISTER:
 891                         if (!ensureBufferClean(view()))
 892                                 break;
 893                         if (!owner->buffer()->lyxvc().inUse()) {
 894                                 owner->buffer()->lyxvc().registrer();
 895                                 view()->reload();
 896                         }
 897                         break;
 898
 899                 case LFUN_VC_CHECKIN:
 900                         if (!ensureBufferClean(view()))
 901                                 break;
 902                         if (owner->buffer()->lyxvc().inUse()
 903                                         && !owner->buffer()->isReadonly()) {
 904                                 owner->buffer()->lyxvc().checkIn();
 905                                 view()->reload();
 906                         }
 907                         break;
 908
 909                 case LFUN_VC_CHECKOUT:
 910                         if (!ensureBufferClean(view()))
 911                                 break;
 912                         if (owner->buffer()->lyxvc().inUse()
 913                                         && owner->buffer()->isReadonly()) {
 914                                 owner->buffer()->lyxvc().checkOut();
 915                                 view()->reload();
 916                         }
 917                         break;
 918
 919                 case LFUN_VC_REVERT:
 920                         owner->buffer()->lyxvc().revert();
 921                         view()->reload();
 922                         break;
 923
 924                 case LFUN_VC_UNDO:
 925                         owner->buffer()->lyxvc().undoLast();
 926                         view()->reload();
 927                         break;
 928
 929                 // --- buffers ----------------------------------------
 930                 case LFUN_SWITCHBUFFER:
 931                         view()->setBuffer(bufferlist.getBuffer(argument));
 932                         break;
 933
 934                 case LFUN_FILE_NEW:
 935                         NewFile(view(), argument);
 936                         break;
 937
 938                 case LFUN_FILE_OPEN:
 939                         open(argument);
 940                         break;
 941
 942                 case LFUN_DROP_LAYOUTS_CHOICE:
 943                         owner->getToolbar().openLayoutList();
 944                         break;
 945
 946                 case LFUN_MENU_OPEN_BY_NAME:
 947                         owner->getMenubar().openByName(argument);
 948                         break;
 949
 950                 // --- lyxserver commands ----------------------------
 951                 case LFUN_GETNAME:
 952                         setMessage(owner->buffer()->fileName());
 953                         lyxerr[Debug::INFO] << "FNAME["
 954                                                          << owner->buffer()->fileName()
 955                                                          << "] " << endl;
 956                         break;
 957
 958                 case LFUN_NOTIFY:
 959                         dispatch_buffer = keyseq.print();
 960                         lyxserver->notifyClient(dispatch_buffer);
 961                         break;
 962
 963                 case LFUN_GOTOFILEROW: {
 964                         string file_name;
 965                         int row;
 966                         istringstream is(argument);
 967                         is >> file_name >> row;
 968                         if (prefixIs(file_name, getTmpDir())) {
 969                                 // Needed by inverse dvi search. If it is a file
 970                                 // in tmpdir, call the apropriated function
 971                                 view()->setBuffer(bufferlist.getBufferFromTmp(file_name));
 972                         } else {
 973                                 // Must replace extension of the file to be .lyx
 974                                 // and get full path
 975                                 string const s = ChangeExtension(file_name, ".lyx");
 976                                 // Either change buffer or load the file
 977                                 if (bufferlist.exists(s)) {
 978                                         view()->setBuffer(bufferlist.getBuffer(s));
 979                                 } else {
 980                                         view()->loadLyXFile(s);
 981                                 }
 982                         }
 983
 984                         view()->setCursorFromRow(row);
 985
 986                         view()->center();
 987                         // see BufferView_pimpl::center()
 988                         view()->updateScrollbar();
 989                         break;
 990                 }
 991
 992                 case LFUN_GOTO_PARAGRAPH: {
 993                         istringstream is(argument);
 994                         int id;
 995                         is >> id;
 996                         ParIterator par = owner->buffer()->getParFromID(id);
 997                         if (par == owner->buffer()->par_iterator_end()) {
 998                                 lyxerr[Debug::INFO] << "No matching paragraph found! ["
 999                                                                 << id << ']' << endl;
1000                                 break;
1001                         } else {
1002                                 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1003                                                                 << " found." << endl;
1004                         }
1005
1006                         // Set the cursor
1007                         view()->setCursor(par, 0);
1008
1009                         view()->switchKeyMap();
1010                         owner->view_state_changed();
1011
1012                         view()->center();
1013                         // see BufferView_pimpl::center()
1014                         view()->updateScrollbar();
1015                         break;
1016                 }
1017
1018                 case LFUN_DIALOG_SHOW: {
1019                         string const name = cmd.getArg(0);
1020                         string data = trim(cmd.argument.substr(name.size()));
1021
1022                         if (name == "character") {
1023                                 data = freefont2string();
1024                                 if (!data.empty())
1025                                         owner->getDialogs().show("character", data);
1026                         }
1027                         else if (name == "document")
1028                                 owner->getDialogs().showDocument();
1029                         else if (name == "preamble")
1030                                 owner->getDialogs().showPreamble();
1031                         else if (name == "preferences")
1032                                 owner->getDialogs().showPreferences();
1033                         else if (name == "spellchecker")
1034                                 owner->getDialogs().showSpellchecker();
1035
1036                         else if (name == "latexlog") {
1037                                 pair<Buffer::LogType, string> const logfile =
1038                                         owner->buffer()->getLogName();
1039                                 switch (logfile.first) {
1040                                 case Buffer::latexlog:
1041                                         data = "latex ";
1042                                         break;
1043                                 case Buffer::buildlog:
1044                                         data = "literate ";
1045                                         break;
1046                                 }
1047                                 data += logfile.second;
1048                                 owner->getDialogs().show("log", data);
1049                         }
1050                         else if (name == "vclog") {
1051                                 string const data = "vc " +
1052                                         owner->buffer()->lyxvc().getLogFile();
1053                                 owner->getDialogs().show("log", data);
1054                         }
1055                         else
1056                                 owner->getDialogs().show(name, data);
1057                         break;
1058                 }
1059
1060                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1061                         string const name = cmd.getArg(0);
1062                         string data = trim(cmd.argument.substr(name.size()));
1063                         if (name == "bibitem" ||
1064                             name == "bibtex" ||
1065                             name == "include" ||
1066                             name == "index" ||
1067                             name == "label" ||
1068                             name == "ref" ||
1069                             name == "toc" ||
1070                             name == "url") {
1071                                 InsetCommandParams p(name);
1072                                 data = InsetCommandMailer::params2string(name, p);
1073                         } else if (name == "box") {
1074                                 // \c data == "Boxed" || "Frameless" etc
1075                                 InsetBoxParams p(data);
1076                                 data = InsetBoxMailer::params2string(p);
1077                         } else if (name == "branch") {
1078                                 InsetBranchParams p;
1079                                 data = InsetBranchMailer::params2string(p);
1080                         } else if (name == "citation") {
1081                                 InsetCommandParams p("cite");
1082                                 data = InsetCommandMailer::params2string(name, p);
1083                         } else if (name == "ert") {
1084                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1085                         } else if (name == "external") {
1086                                 InsetExternalParams p;
1087                                 Buffer const & buffer = *owner->buffer();
1088                                 data = InsetExternalMailer::params2string(p, buffer);
1089                         } else if (name == "float") {
1090                                 InsetFloatParams p;
1091                                 data = InsetFloatMailer::params2string(p);
1092                         } else if (name == "graphics") {
1093                                 InsetGraphicsParams p;
1094                                 Buffer const & buffer = *owner->buffer();
1095                                 data = InsetGraphicsMailer::params2string(p, buffer);
1096                         } else if (name == "note") {
1097                                 InsetNoteParams p;
1098                                 data = InsetNoteMailer::params2string(p);
1099                         } else if (name == "vspace") {
1100                                 VSpace space;
1101                                 data = InsetVSpaceMailer::params2string(space);
1102                         } else if (name == "wrap") {
1103                                 InsetWrapParams p;
1104                                 data = InsetWrapMailer::params2string(p);
1105                         }
1106                         owner->getDialogs().show(name, data, 0);
1107                         break;
1108                 }
1109
1110                 case LFUN_DIALOG_SHOW_NEXT_INSET:
1111                         break;
1112
1113                 case LFUN_DIALOG_UPDATE: {
1114                         string const & name = argument;
1115                         // Can only update a dialog connected to an existing inset
1116                         InsetBase * inset = owner->getDialogs().getOpenInset(name);
1117                         if (inset) {
1118                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument);
1119                                 inset->dispatch(view()->cursor(), fr);
1120                         } else if (name == "paragraph") {
1121                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1122                         }
1123                         break;
1124                 }
1125
1126                 case LFUN_DIALOG_HIDE:
1127                         Dialogs::hide(argument, 0);
1128                         break;
1129
1130                 case LFUN_DIALOG_DISCONNECT_INSET:
1131                         owner->getDialogs().disconnect(argument);
1132                         break;
1133
1134                 case LFUN_CHILDOPEN: {
1135                         string const filename =
1136                                 MakeAbsPath(argument, owner->buffer()->filePath());
1137                         setMessage(N_("Opening child document ") +
1138                                          MakeDisplayPath(filename) + "...");
1139                         view()->savePosition(0);
1140                         string const parentfilename = owner->buffer()->fileName();
1141                         if (bufferlist.exists(filename))
1142                                 view()->setBuffer(bufferlist.getBuffer(filename));
1143                         else
1144                                 view()->loadLyXFile(filename);
1145                         // Set the parent name of the child document.
1146                         // This makes insertion of citations and references in the child work,
1147                         // when the target is in the parent or another child document.
1148                         owner->buffer()->setParentName(parentfilename);
1149                         break;
1150                 }
1151
1152                 case LFUN_TOGGLECURSORFOLLOW:
1153                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1154                         break;
1155
1156                 case LFUN_KMAP_OFF:
1157                         owner->getIntl().KeyMapOn(false);
1158                         break;
1159
1160                 case LFUN_KMAP_PRIM:
1161                         owner->getIntl().KeyMapPrim();
1162                         break;
1163
1164                 case LFUN_KMAP_SEC:
1165                         owner->getIntl().KeyMapSec();
1166                         break;
1167
1168                 case LFUN_KMAP_TOGGLE:
1169                         owner->getIntl().ToggleKeyMap();
1170                         break;
1171
1172                 case LFUN_REPEAT: {
1173                         // repeat command
1174                         string countstr;
1175                         string rest = split(argument, countstr, ' ');
1176                         istringstream is(countstr);
1177                         int count = 0;
1178                         is >> count;
1179                         lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1180                         for (int i = 0; i < count; ++i)
1181                                 dispatch(lyxaction.lookupFunc(rest));
1182                         break;
1183                 }
1184
1185                 case LFUN_SEQUENCE:
1186                         // argument contains ';'-terminated commands
1187                         while (!argument.empty()) {
1188                                 string first;
1189                                 string rest = split(argument, first, ';');
1190                                 dispatch(lyxaction.lookupFunc(rest));
1191                         }
1192                         break;
1193
1194                 case LFUN_SAVEPREFERENCES: {
1195                         Path p(user_lyxdir());
1196                         lyxrc.write("preferences");
1197                         break;
1198                 }
1199
1200                 case LFUN_SCREEN_FONT_UPDATE:
1201                         // handle the screen font changes.
1202                         lyxrc.set_font_norm_type();
1203                         lyx_gui::update_fonts();
1204                         // All visible buffers will need resize
1205                         view()->resize();
1206                         break;
1207
1208                 case LFUN_SET_COLOR: {
1209                         string lyx_name;
1210                         string const x11_name = split(argument, lyx_name, ' ');
1211                         if (lyx_name.empty() || x11_name.empty()) {
1212                                 setErrorMessage(N_("Syntax: set-color <lyx_name>"
1213                                                         " <x11_name>"));
1214                                 break;
1215                         }
1216
1217                         bool const graphicsbg_changed =
1218                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1219                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1220
1221                         if (!lcolor.setColor(lyx_name, x11_name)) {
1222                                 setErrorMessage(
1223                                         bformat(_("Set-color \"%1$s\" failed "
1224                                                                 "- color is undefined or "
1225                                                                 "may not be redefined"), lyx_name));
1226                                 break;
1227                         }
1228
1229                         lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1230
1231                         if (graphicsbg_changed) {
1232 #ifdef WITH_WARNINGS
1233 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1234 #endif
1235 #if 0
1236                                 lyx::graphics::GCache::get().changeDisplay(true);
1237 #endif
1238                         }
1239                         break;
1240                 }
1241
1242                 case LFUN_MESSAGE:
1243                         owner->message(argument);
1244                         break;
1245
1246                 case LFUN_TOOLTIPS_TOGGLE:
1247                         owner->getDialogs().toggleTooltips();
1248                         break;
1249
1250                 case LFUN_EXTERNAL_EDIT: {
1251                         FuncRequest fr(action, argument);
1252                         InsetExternal().dispatch(view()->cursor(), fr);
1253                         break;
1254                 }
1255
1256                 case LFUN_BREAKLINE: {
1257 #warning swallow 'Return' if the minibuffer is focused. But how?
1258                         break;
1259                 }
1260
1261                 case LFUN_ALL_INSETS_TOGGLE: {
1262                         string action;
1263                         string const name = split(argument, action, ' ');
1264                         InsetBase::Code const inset_code =
1265                                 InsetBase::translate(name);
1266
1267                         LCursor & cur = view()->cursor();
1268                         FuncRequest fr(LFUN_INSET_TOGGLE, action);
1269
1270                         InsetBase & inset = owner->buffer()->inset();
1271                         InsetIterator it  = inset_iterator_begin(inset);
1272                         InsetIterator const end = inset_iterator_end(inset);
1273                         for (; it != end; ++it) {
1274                                 if (inset_code == InsetBase::NO_CODE
1275                                     || inset_code == it->lyxCode()) {
1276                                         it->dispatch(cur, fr);
1277                                         if (&cur.inset() == &*it
1278                                             && cur.disp_.dispatched())
1279                                                 cur.pop();
1280                                 }
1281                         }
1282                         break;
1283                 }
1284
1285                 case LFUN_LANGUAGE_BUFFER: {
1286                         Buffer & buffer = *owner->buffer();
1287                         Language const * oldL = buffer.params().language;
1288                         Language const * newL = languages.getLanguage(argument);
1289                         if (!newL || oldL == newL)
1290                                 break;
1291
1292                         if (oldL->RightToLeft() == newL->RightToLeft()
1293                             && !buffer.isMultiLingual())
1294                                 buffer.changeLanguage(oldL, newL);
1295                         else
1296                                 buffer.updateDocLang(newL);
1297                         break;
1298                 }
1299
1300                 case LFUN_BUFFERPARAMS_APPLY: {
1301                         istringstream ss(argument);
1302                         LyXLex lex(0,0);
1303                         lex.setStream(ss);
1304                         int const unknown_tokens =
1305                                 owner->buffer()->readHeader(lex);
1306
1307                         if (unknown_tokens != 0) {
1308                                 lyxerr << "Warning in LFUN_BUFFERPARAMS_APPLY!\n"
1309                                        << unknown_tokens << " unknown token"
1310                                        << (unknown_tokens == 1 ? "" : "s")
1311                                        << endl;
1312                         }
1313                         break;
1314                 }
1315
1316                 case LFUN_TEXTCLASS_APPLY: {
1317                         Buffer * buffer = owner->buffer();
1318
1319                         lyx::textclass_type const old_class =
1320                                 buffer->params().textclass;
1321
1322                         dispatch(FuncRequest(LFUN_TEXTCLASS_LOAD, argument));
1323
1324                         std::pair<bool, lyx::textclass_type> const tc_pair =
1325                                 textclasslist.NumberOfClass(argument);
1326
1327                         if (!tc_pair.first)
1328                                 break;
1329
1330                         lyx::textclass_type const new_class = tc_pair.second;
1331                         if (old_class == new_class)
1332                                 // nothing to do
1333                                 break;
1334
1335                         owner->message(
1336                                 _("Converting document to new document class..."));
1337
1338                         ErrorList el;
1339                         lyx::cap::SwitchLayoutsBetweenClasses(
1340                                 old_class, new_class,
1341                                 buffer->paragraphs(), el);
1342
1343                         bufferErrors(*buffer, el);
1344                         view()->showErrorList(_("Class switch"));
1345                         break;
1346                 }
1347
1348                 case LFUN_TEXTCLASS_LOAD: {
1349                         std::pair<bool, lyx::textclass_type> const tc_pair =
1350                                 textclasslist.NumberOfClass(argument);
1351
1352                         if (!tc_pair.first) {
1353                                 lyxerr << "Document class \"" << argument
1354                                        << "\" does not exist."
1355                                        << std::endl;
1356                                 break;
1357                         }
1358
1359                         lyx::textclass_type const tc = tc_pair.second;
1360
1361                         bool const success = textclasslist[tc].load();
1362                         if (success)
1363                                 break;
1364
1365                         string s = bformat(_("The document could not be converted\n"
1366                                              "into the document class %1$s."),
1367                                            textclasslist[tc].name());
1368                         Alert::error(_("Could not change class"), s);
1369
1370                         break;
1371                 }
1372
1373                 default: {
1374                         DispatchResult res = view()->cursor().dispatch(cmd);
1375                         if (!res.dispatched());
1376                                 view()->dispatch(cmd);
1377                         break;
1378                 }
1379                 }
1380
1381                 if (view()->available()) {
1382                         view()->fitCursor();
1383                         view()->update();
1384                         view()->cursor().updatePos();
1385                         // if we executed a mutating lfun, mark the buffer as dirty
1386                         if (getStatus(cmd).enabled()
1387                                         && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)
1388                                         && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly))
1389                                 view()->buffer()->markDirty();
1390                 }
1391
1392                 if (view()->cursor().inTexted()) {
1393                         view()->owner()->updateLayoutChoice();
1394                         sendDispatchMessage(getMessage(), cmd, verbose);
1395                 }
1396         }
1397 }
1398
1399
1400 void LyXFunc::sendDispatchMessage(string const & msg,
1401                                   FuncRequest const & cmd, bool verbose)
1402 {
1403         owner->updateMenubar();
1404         owner->updateToolbar();
1405
1406         if (cmd.action == LFUN_SELFINSERT || !verbose) {
1407                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1408                 if (!msg.empty())
1409                         owner->message(msg);
1410                 return;
1411         }
1412
1413         string dispatch_msg = msg;
1414         if (!dispatch_msg.empty())
1415                 dispatch_msg += ' ';
1416
1417         string comname = lyxaction.getActionName(cmd.action);
1418
1419         bool argsadded = false;
1420
1421         if (!cmd.argument.empty()) {
1422                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1423                         comname += ' ' + cmd.argument;
1424                         argsadded = true;
1425                 }
1426         }
1427
1428         string const shortcuts = toplevel_keymap->findbinding(cmd);
1429
1430         if (!shortcuts.empty()) {
1431                 comname += ": " + shortcuts;
1432         } else if (!argsadded && !cmd.argument.empty()) {
1433                 comname += ' ' + cmd.argument;
1434         }
1435
1436         if (!comname.empty()) {
1437                 comname = rtrim(comname);
1438                 dispatch_msg += '(' + comname + ')';
1439         }
1440
1441         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1442         if (!dispatch_msg.empty())
1443                 owner->message(dispatch_msg);
1444 }
1445
1446
1447 void LyXFunc::setupLocalKeymap()
1448 {
1449         keyseq.stdmap = toplevel_keymap.get();
1450         keyseq.curmap = toplevel_keymap.get();
1451         cancel_meta_seq.stdmap = toplevel_keymap.get();
1452         cancel_meta_seq.curmap = toplevel_keymap.get();
1453 }
1454
1455
1456 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1457 {
1458         string initpath = lyxrc.document_path;
1459         string filename(name);
1460
1461         if (view()->available()) {
1462                 string const trypath = owner->buffer()->filePath();
1463                 // If directory is writeable, use this as default.
1464                 if (IsDirWriteable(trypath))
1465                         initpath = trypath;
1466         }
1467
1468         static int newfile_number;
1469
1470         if (filename.empty()) {
1471                 filename = AddName(lyxrc.document_path,
1472                             "newfile" + tostr(++newfile_number) + ".lyx");
1473                 FileInfo fi(filename);
1474                 while (bufferlist.exists(filename) || fi.readable()) {
1475                         ++newfile_number;
1476                         filename = AddName(lyxrc.document_path,
1477                                     "newfile" + tostr(newfile_number) +
1478                                     ".lyx");
1479                         fi.newFile(filename);
1480                 }
1481         }
1482
1483         // The template stuff
1484         string templname;
1485         if (fromTemplate) {
1486                 FileDialog fileDlg(_("Select template file"),
1487                         LFUN_SELECT_FILE_SYNC,
1488                         make_pair(string(_("Documents|#o#O")),
1489                                   string(lyxrc.document_path)),
1490                         make_pair(string(_("Templates|#T#t")),
1491                                   string(lyxrc.template_path)));
1492
1493                 FileDialog::Result result =
1494                         fileDlg.open(lyxrc.template_path,
1495                                      FileFilterList(_("LyX Documents (*.lyx)")),
1496                                      string());
1497
1498                 if (result.first == FileDialog::Later)
1499                         return;
1500                 if (result.second.empty())
1501                         return;
1502                 templname = result.second;
1503         }
1504
1505         view()->newFile(filename, templname, !name.empty());
1506 }
1507
1508
1509 void LyXFunc::open(string const & fname)
1510 {
1511         string initpath = lyxrc.document_path;
1512
1513         if (view()->available()) {
1514                 string const trypath = owner->buffer()->filePath();
1515                 // If directory is writeable, use this as default.
1516                 if (IsDirWriteable(trypath))
1517                         initpath = trypath;
1518         }
1519
1520         string filename;
1521
1522         if (fname.empty()) {
1523                 FileDialog fileDlg(_("Select document to open"),
1524                         LFUN_FILE_OPEN,
1525                         make_pair(string(_("Documents|#o#O")),
1526                                   string(lyxrc.document_path)),
1527                         make_pair(string(_("Examples|#E#e")),
1528                                   string(AddPath(system_lyxdir(), "examples"))));
1529
1530                 FileDialog::Result result =
1531                         fileDlg.open(initpath,
1532                                      FileFilterList(_("LyX Documents (*.lyx)")),
1533                                      string());
1534
1535                 if (result.first == FileDialog::Later)
1536                         return;
1537
1538                 filename = result.second;
1539
1540                 // check selected filename
1541                 if (filename.empty()) {
1542                         owner->message(_("Canceled."));
1543                         return;
1544                 }
1545         } else
1546                 filename = fname;
1547
1548         // get absolute path of file and add ".lyx" to the filename if
1549         // necessary
1550         string const fullpath = FileSearch(string(), filename, "lyx");
1551         if (!fullpath.empty()) {
1552                 filename = fullpath;
1553         }
1554
1555         string const disp_fn(MakeDisplayPath(filename));
1556
1557         // if the file doesn't exist, let the user create one
1558         FileInfo const f(filename, true);
1559         if (!f.exist()) {
1560                 // the user specifically chose this name. Believe them.
1561                 view()->newFile(filename, "", true);
1562                 return;
1563         }
1564
1565         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1566
1567         string str2;
1568         if (view()->loadLyXFile(filename)) {
1569                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1570         } else {
1571                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1572         }
1573         owner->message(str2);
1574 }
1575
1576
1577 void LyXFunc::doImport(string const & argument)
1578 {
1579         string format;
1580         string filename = split(argument, format, ' ');
1581
1582         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1583                             << " file: " << filename << endl;
1584
1585         // need user interaction
1586         if (filename.empty()) {
1587                 string initpath = lyxrc.document_path;
1588
1589                 if (view()->available()) {
1590                         string const trypath = owner->buffer()->filePath();
1591                         // If directory is writeable, use this as default.
1592                         if (IsDirWriteable(trypath))
1593                                 initpath = trypath;
1594                 }
1595
1596                 string const text = bformat(_("Select %1$s file to import"),
1597                         formats.prettyName(format));
1598
1599                 FileDialog fileDlg(text,
1600                         LFUN_IMPORT,
1601                         make_pair(string(_("Documents|#o#O")),
1602                                   string(lyxrc.document_path)),
1603                         make_pair(string(_("Examples|#E#e")),
1604                                   string(AddPath(system_lyxdir(), "examples"))));
1605
1606                 string const filter = formats.prettyName(format)
1607                         + " (*." + formats.extension(format) + ')';
1608
1609                 FileDialog::Result result =
1610                         fileDlg.open(initpath,
1611                                      FileFilterList(filter),
1612                                      string());
1613
1614                 if (result.first == FileDialog::Later)
1615                         return;
1616
1617                 filename = result.second;
1618
1619                 // check selected filename
1620                 if (filename.empty())
1621                         owner->message(_("Canceled."));
1622         }
1623
1624         if (filename.empty())
1625                 return;
1626
1627         // get absolute path of file
1628         filename = MakeAbsPath(filename);
1629
1630         string const lyxfile = ChangeExtension(filename, ".lyx");
1631
1632         // Check if the document already is open
1633         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1634                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1635                         owner->message(_("Canceled."));
1636                         return;
1637                 }
1638         }
1639
1640         // if the file exists already, and we didn't do
1641         // -i lyx thefile.lyx, warn
1642         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1643                 string const file = MakeDisplayPath(lyxfile, 30);
1644
1645                 string text = bformat(_("The document %1$s already exists.\n\n"
1646                         "Do you want to over-write that document?"), file);
1647                 int const ret = Alert::prompt(_("Over-write document?"),
1648                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1649
1650                 if (ret == 1) {
1651                         owner->message(_("Canceled."));
1652                         return;
1653                 }
1654         }
1655
1656         Importer::Import(owner, filename, format);
1657 }
1658
1659
1660 void LyXFunc::closeBuffer()
1661 {
1662         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1663                 if (bufferlist.empty()) {
1664                         // need this otherwise SEGV may occur while
1665                         // trying to set variables that don't exist
1666                         // since there's no current buffer
1667                         owner->getDialogs().hideBufferDependent();
1668                 } else {
1669                         view()->setBuffer(bufferlist.first());
1670                 }
1671         }
1672 }
1673
1674
1675 // Each "owner" should have it's own message method. lyxview and
1676 // the minibuffer would use the minibuffer, but lyxserver would
1677 // send an ERROR signal to its client.  Alejandro 970603
1678 // This function is bit problematic when it comes to NLS, to make the
1679 // lyx servers client be language indepenent we must not translate
1680 // strings sent to this func.
1681 void LyXFunc::setErrorMessage(string const & m) const
1682 {
1683         dispatch_buffer = m;
1684         errorstat = true;
1685 }
1686
1687
1688 void LyXFunc::setMessage(string const & m) const
1689 {
1690         dispatch_buffer = m;
1691 }
1692
1693
1694 void LyXFunc::setStatusMessage(string const & m) const
1695 {
1696         status_buffer = m;
1697 }
1698
1699
1700 string const LyXFunc::viewStatusMessage()
1701 {
1702         // When meta-fake key is pressed, show the key sequence so far + "M-".
1703         if (wasMetaKey())
1704                 return keyseq.print() + "M-";
1705
1706         // Else, when a non-complete key sequence is pressed,
1707         // show the available options.
1708         if (keyseq.length() > 0 && !keyseq.deleted())
1709                 return keyseq.printOptions();
1710
1711         if (!view()->available())
1712                 return _("Welcome to LyX!");
1713
1714         return view()->cursor().currentState();
1715 }
1716
1717
1718 BufferView * LyXFunc::view() const
1719 {
1720         BOOST_ASSERT(owner);
1721         return owner->view().get();
1722 }
1723
1724
1725 bool LyXFunc::wasMetaKey() const
1726 {
1727         return (meta_fake_bit != key_modifier::none);
1728 }