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