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/insetminipage.h"
  62 #include "insets/insetnote.h"
  63 #include "insets/insettabular.h"
  64 #include "insets/insetvspace.h"
  65 #include "insets/insetwrap.h"
  66
  67 #include "mathed/math_cursor.h"
  68
  69 #include "frontends/Alert.h"
  70 #include "frontends/Dialogs.h"
  71 #include "frontends/FileDialog.h"
  72 #include "frontends/lyx_gui.h"
  73 #include "frontends/LyXKeySym.h"
  74 #include "frontends/LyXView.h"
  75 #include "frontends/Menubar.h"
  76 #include "frontends/Toolbar.h"
  77
  78 #include "support/FileInfo.h"
  79 #include "support/filetools.h"
  80 #include "support/forkedcontr.h"
  81 #include "support/path.h"
  82 #include "support/path_defines.h"
  83 #include "support/tostr.h"
  84 #include "support/std_sstream.h"
  85 #include "support/os.h"
  86
  87 using bv_funcs::changeDepth;
  88 using bv_funcs::currentState;
  89 using bv_funcs::DEC_DEPTH;
  90 using bv_funcs::freefont2string;
  91 using bv_funcs::INC_DEPTH;
  92
  93 using lyx::support::AddName;
  94 using lyx::support::AddPath;
  95 using lyx::support::bformat;
  96 using lyx::support::ChangeExtension;
  97 using lyx::support::FileInfo;
  98 using lyx::support::FileSearch;
  99 using lyx::support::ForkedcallsController;
 100 using lyx::support::i18nLibFileSearch;
 101 using lyx::support::IsDirWriteable;
 102 using lyx::support::IsFileReadable;
 103 using lyx::support::isStrInt;
 104 using lyx::support::MakeAbsPath;
 105 using lyx::support::MakeDisplayPath;
 106 using lyx::support::Path;
 107 using lyx::support::rtrim;
 108 using lyx::support::split;
 109 using lyx::support::strToInt;
 110 using lyx::support::strToUnsignedInt;
 111 using lyx::support::system_lyxdir;
 112 using lyx::support::token;
 113 using lyx::support::trim;
 114 using lyx::support::user_lyxdir;
 115 using lyx::support::prefixIs;
 116 using lyx::support::os::getTmpDir;
 117
 118 using std::endl;
 119 using std::make_pair;
 120 using std::pair;
 121 using std::string;
 122 using std::istringstream;
 123
 124
 125 extern BufferList bufferlist;
 126 extern LyXServer * lyxserver;
 127 extern bool selection_possible;
 128
 129 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 130
 131 // (alkis)
 132 extern tex_accent_struct get_accent(kb_action action);
 133
 134
 135 LyXFunc::LyXFunc(LyXView * lv)
 136         : owner(lv),
 137         encoded_last_key(0),
 138         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 139         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 140         meta_fake_bit(key_modifier::none)
 141 {
 142 }
 143
 144
 145 void LyXFunc::handleKeyFunc(kb_action action)
 146 {
 147         char c = encoded_last_key;
 148
 149         if (keyseq.length()) {
 150                 c = 0;
 151         }
 152
 153         owner->getIntl().getTransManager()
 154                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 155         // Need to clear, in case the minibuffer calls these
 156         // actions
 157         keyseq.clear();
 158         // copied verbatim from do_accent_char
 159         view()->update();
 160         view()->getLyXText()->selection.cursor = view()->getLyXText()->cursor;
 161 }
 162
 163
 164 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 165                             key_modifier::state state)
 166 {
 167         string argument;
 168
 169         if (lyxerr.debugging(Debug::KEY)) {
 170                 lyxerr << "KeySym is "
 171                        << keysym->getSymbolName()
 172                        << endl;
 173         }
 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()->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;
 258                         arg += encoded_last_key;
 259
 260                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 261
 262                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 263                                    << argument << "']" << endl;
 264                 }
 265         } else {
 266                 dispatch(func);
 267         }
 268 }
 269
 270
 271 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 272 {
 273         FuncStatus flag;
 274         Buffer * buf = owner->buffer();
 275
 276         if (ev.action == LFUN_NOACTION) {
 277                 setStatusMessage(N_("Nothing to do"));
 278                 flag.disabled(true);
 279                 return flag;
 280         }
 281
 282         switch (ev.action) {
 283         case LFUN_UNKNOWN_ACTION:
 284 #ifndef HAVE_LIBAIKSAURUS
 285         case LFUN_THESAURUS_ENTRY:
 286 #endif
 287                 flag.unknown(true);
 288                 flag.disabled(true);
 289                 break;
 290         default:
 291                 flag |= lyx_gui::getStatus(ev);
 292         }
 293
 294         if (flag.unknown()) {
 295                 setStatusMessage(N_("Unknown action"));
 296                 return flag;
 297         }
 298
 299         // the default error message if we disable the command
 300         setStatusMessage(N_("Command disabled"));
 301
 302         // Check whether we need a buffer
 303         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 304                 // Yes we need a buffer, do we have one?
 305                 if (buf) {
 306                         // yes
 307                         // Can we use a readonly buffer?
 308                         if (buf->isReadonly() &&
 309                             !lyxaction.funcHasFlag(ev.action,
 310                                                    LyXAction::ReadOnly)) {
 311                                 // no
 312                                 setStatusMessage(N_("Document is read-only"));
 313                                 flag.disabled(true);
 314                         }
 315                 } else {
 316                         // no
 317                         setStatusMessage(N_("Command not allowed with"
 318                                             "out any document open"));
 319                         flag.disabled(true);
 320                         return flag;
 321                 }
 322         }
 323
 324         UpdatableInset * tli = view()->cursor().innerInset();
 325         InsetTabular * tab = view()->cursor().innerInsetTabular();
 326
 327         // I would really like to avoid having this switch and rather try to
 328         // encode this in the function itself.
 329         bool disable = false;
 330         switch (ev.action) {
 331         case LFUN_EXPORT:
 332                 disable = ev.argument != "custom"
 333                         && !Exporter::IsExportable(*buf, ev.argument);
 334                 break;
 335         case LFUN_UNDO:
 336                 disable = buf->undostack().empty();
 337                 break;
 338         case LFUN_REDO:
 339                 disable = buf->redostack().empty();
 340                 break;
 341         case LFUN_CUT:
 342         case LFUN_COPY:
 343                 if (tab && tab->hasSelection())
 344                         disable = false;
 345                 else
 346                         disable = !mathcursor && !view()->getLyXText()->selection.set();
 347                 break;
 348
 349         case LFUN_RUNCHKTEX:
 350                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 351                 break;
 352
 353         case LFUN_BUILDPROG:
 354                 disable = !Exporter::IsExportable(*buf, "program");
 355                 break;
 356
 357         case LFUN_LAYOUT_TABULAR:
 358                 disable = !view()->cursor().innerInsetTabular();
 359                 break;
 360
 361         case LFUN_DEPTH_MIN:
 362                 disable = !changeDepthAllowed(view(), view()->getLyXText(), DEC_DEPTH);
 363                 break;
 364
 365         case LFUN_DEPTH_PLUS:
 366                 disable = !changeDepthAllowed(view(), view()->getLyXText(), INC_DEPTH);
 367                 break;
 368
 369         case LFUN_LAYOUT:
 370         case LFUN_LAYOUT_PARAGRAPH: {
 371                 InsetOld * inset = view()->getLyXText()->cursorPar()->inInset();
 372                 disable = inset && inset->forceDefaultParagraphs(inset);
 373                 break;
 374         }
 375
 376         case LFUN_INSET_OPTARG:
 377                 disable = (view()->getLyXText()->cursorPar()->layout()->optionalargs == 0);
 378                 break;
 379
 380         case LFUN_TABULAR_FEATURE:
 381 #if 0
 382                 if (mathcursor) {
 383                         // FIXME: check temporarily disabled
 384                         // valign code
 385                         char align = mathcursor->valign();
 386                         if (align == '\0') {
 387                                 disable = true;
 388                                 break;
 389                         }
 390                         if (ev.argument.empty()) {
 391                                 flag.clear();
 392                                 break;
 393                         }
 394                         if (!contains("tcb", ev.argument[0])) {
 395                                 disable = true;
 396                                 break;
 397                         }
 398                         flag.setOnOff(ev.argument[0] == align);
 399                 } else {
 400                         disable = true;
 401
 402                         char align = mathcursor->halign();
 403                         if (align == '\0') {
 404                                 disable = true;
 405                                 break;
 406                         }
 407                         if (ev.argument.empty()) {
 408                                 flag.clear();
 409                                 break;
 410                         }
 411                         if (!contains("lcr", ev.argument[0])) {
 412                                 disable = true;
 413                                 break;
 414                         }
 415                         flag.setOnOff(ev.argument[0] == align);
 416
 417                         disable = !mathcursor->halign();
 418                         break;
 419                 }
 420
 421                 if (tli) {
 422                         FuncStatus ret;
 423                         //ret.disabled(true);
 424                         InsetTabular * tab = view()->cursor().innerInsetTabular();
 425                         if (tab) {
 426                                 ret = tab->getStatus(ev.argument);
 427                                 flag |= ret;
 428                                 disable = false;
 429                         } else {
 430                                 disable = true;
 431                         }
 432                 } else {
 433                         static InsetTabular inset(*buf, 1, 1);
 434                         disable = true;
 435                         FuncStatus ret = inset.getStatus(ev.argument);
 436                         if (ret.onoff(true) || ret.onoff(false))
 437                                 flag.setOnOff(false);
 438                 }
 439 #endif
 440                 break;
 441
 442         case LFUN_VC_REGISTER:
 443                 disable = buf->lyxvc().inUse();
 444                 break;
 445         case LFUN_VC_CHECKIN:
 446                 disable = !buf->lyxvc().inUse() || buf->isReadonly();
 447                 break;
 448         case LFUN_VC_CHECKOUT:
 449                 disable = !buf->lyxvc().inUse() || !buf->isReadonly();
 450                 break;
 451         case LFUN_VC_REVERT:
 452         case LFUN_VC_UNDO:
 453                 disable = !buf->lyxvc().inUse();
 454                 break;
 455         case LFUN_MENURELOAD:
 456                 disable = buf->isUnnamed() || buf->isClean();
 457                 break;
 458         case LFUN_BOOKMARK_GOTO:
 459                 disable = !view()->
 460                         isSavedPosition(strToUnsignedInt(ev.argument));
 461                 break;
 462
 463         case LFUN_MERGE_CHANGES:
 464         case LFUN_ACCEPT_CHANGE:
 465         case LFUN_REJECT_CHANGE:
 466         case LFUN_ACCEPT_ALL_CHANGES:
 467         case LFUN_REJECT_ALL_CHANGES:
 468                 disable = !buf->params().tracking_changes;
 469                 break;
 470
 471         case LFUN_INSET_SETTINGS: {
 472                 disable = true;
 473                 UpdatableInset * inset = view()->cursor().innerInset();
 474
 475                 if (!inset)
 476                         break;
 477
 478                 // jump back to owner if an InsetText, so
 479                 // we get back to the InsetTabular or whatever
 480                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 481                         inset = inset->owner();
 482
 483                 InsetOld::Code code = inset->lyxCode();
 484                 switch (code) {
 485                         case InsetOld::TABULAR_CODE:
 486                                 disable = ev.argument != "tabular";
 487                                 break;
 488                         case InsetOld::ERT_CODE:
 489                                 disable = ev.argument != "ert";
 490                                 break;
 491                         case InsetOld::FLOAT_CODE:
 492                                 disable = ev.argument != "float";
 493                                 break;
 494                         case InsetOld::MINIPAGE_CODE:
 495                                 disable = ev.argument != "minipage";
 496                                 break;
 497                         case InsetOld::WRAP_CODE:
 498                                 disable = ev.argument != "wrap";
 499                                 break;
 500                         case InsetOld::NOTE_CODE:
 501                                 disable = ev.argument != "note";
 502                                 break;
 503                         case InsetOld::BRANCH_CODE:
 504                                 disable = ev.argument != "branch";
 505                                 break;
 506                         case InsetOld::BOX_CODE:
 507                                 disable = ev.argument != "box";
 508                                 break;
 509                         default:
 510                                 break;
 511                 }
 512                 break;
 513         }
 514
 515         case LFUN_MATH_MUTATE:
 516                 if (mathcursor)
 517                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 518                         flag.setOnOff(false);
 519                 else
 520                         disable = true;
 521                 break;
 522
 523         // we just need to be in math mode to enable that
 524         case LFUN_MATH_SIZE:
 525         case LFUN_MATH_SPACE:
 526         case LFUN_MATH_LIMITS:
 527         case LFUN_MATH_NONUMBER:
 528         case LFUN_MATH_NUMBER:
 529         case LFUN_MATH_EXTERN:
 530                 disable = !mathcursor;
 531                 break;
 532
 533         case LFUN_DIALOG_SHOW: {
 534                 string const name = ev.getArg(0);
 535                 if (!buf) {
 536                         disable = !(name == "aboutlyx" ||
 537                                     name == "file" ||
 538                                     name == "forks" ||
 539                                     name == "preferences" ||
 540                                     name == "texinfo");
 541                         break;
 542                 }
 543
 544                 if (name == "print") {
 545                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 546                                 lyxrc.print_command == "none";
 547                 } else if (name == "character") {
 548                         UpdatableInset * tli = view()->cursor().innerInset();
 549                         disable = tli && tli->lyxCode() == InsetOld::ERT_CODE;
 550                 } else if (name == "vclog") {
 551                         disable = !buf->lyxvc().inUse();
 552                 } else if (name == "latexlog") {
 553                         disable = !IsFileReadable(buf->getLogName().second);
 554                 }
 555                 break;
 556         }
 557
 558         default:
 559                 break;
 560         }
 561
 562         // the functions which insert insets
 563         InsetOld::Code code = InsetOld::NO_CODE;
 564         switch (ev.action) {
 565         case LFUN_DIALOG_SHOW_NEW_INSET:
 566                 if (ev.argument == "bibitem")
 567                         code = InsetOld::BIBITEM_CODE;
 568                 else if (ev.argument == "bibtex")
 569                         code = InsetOld::BIBTEX_CODE;
 570                 else if (ev.argument == "box")
 571                         code = InsetOld::BOX_CODE;
 572                 else if (ev.argument == "branch")
 573                         code = InsetOld::BRANCH_CODE;
 574                 else if (ev.argument == "citation")
 575                         code = InsetOld::CITE_CODE;
 576                 else if (ev.argument == "ert")
 577                         code = InsetOld::ERT_CODE;
 578                 else if (ev.argument == "external")
 579                         code = InsetOld::EXTERNAL_CODE;
 580                 else if (ev.argument == "float")
 581                         code = InsetOld::FLOAT_CODE;
 582                 else if (ev.argument == "graphics")
 583                         code = InsetOld::GRAPHICS_CODE;
 584                 else if (ev.argument == "include")
 585                         code = InsetOld::INCLUDE_CODE;
 586                 else if (ev.argument == "index")
 587                         code = InsetOld::INDEX_CODE;
 588                 else if (ev.argument == "label")
 589                         code = InsetOld::LABEL_CODE;
 590                 else if (ev.argument == "minipage")
 591                         code = InsetOld::MINIPAGE_CODE;
 592                 else if (ev.argument == "note")
 593                         code = InsetOld::NOTE_CODE;
 594                 else if (ev.argument == "ref")
 595                         code = InsetOld::REF_CODE;
 596                 else if (ev.argument == "toc")
 597                         code = InsetOld::TOC_CODE;
 598                 else if (ev.argument == "url")
 599                         code = InsetOld::URL_CODE;
 600                 else if (ev.argument == "vspace")
 601                         code = InsetOld::VSPACE_CODE;
 602                 else if (ev.argument == "wrap")
 603                         code = InsetOld::WRAP_CODE;
 604                 break;
 605
 606         case LFUN_INSET_ERT:
 607                 code = InsetOld::ERT_CODE;
 608                 break;
 609         case LFUN_INSET_FOOTNOTE:
 610                 code = InsetOld::FOOT_CODE;
 611                 break;
 612         case LFUN_TABULAR_INSERT:
 613                 code = InsetOld::TABULAR_CODE;
 614                 break;
 615         case LFUN_INSET_MARGINAL:
 616                 code = InsetOld::MARGIN_CODE;
 617                 break;
 618         case LFUN_INSET_MINIPAGE:
 619                 code = InsetOld::MINIPAGE_CODE;
 620                 break;
 621         case LFUN_INSET_FLOAT:
 622         case LFUN_INSET_WIDE_FLOAT:
 623                 code = InsetOld::FLOAT_CODE;
 624                 break;
 625         case LFUN_INSET_WRAP:
 626                 code = InsetOld::WRAP_CODE;
 627                 break;
 628         case LFUN_FLOAT_LIST:
 629                 code = InsetOld::FLOAT_LIST_CODE;
 630                 break;
 631 #if 0
 632         case LFUN_INSET_LIST:
 633                 code = InsetOld::LIST_CODE;
 634                 break;
 635         case LFUN_INSET_THEOREM:
 636                 code = InsetOld::THEOREM_CODE;
 637                 break;
 638 #endif
 639         case LFUN_INSET_CAPTION:
 640                 code = InsetOld::CAPTION_CODE;
 641                 break;
 642         case LFUN_INSERT_NOTE:
 643                 code = InsetOld::NOTE_CODE;
 644                 break;
 645         case LFUN_INSERT_CHARSTYLE:
 646                 code = InsetOld::CHARSTYLE_CODE;
 647                 if (buf->params().getLyXTextClass().charstyles().empty())
 648                         disable = true;
 649                 break;
 650         case LFUN_INSERT_BOX:
 651                 code = InsetOld::BOX_CODE;
 652                 break;
 653         case LFUN_INSERT_BRANCH:
 654                 code = InsetOld::BRANCH_CODE;
 655                 if (buf->params().branchlist().empty())
 656                         disable = true;
 657                 break;
 658         case LFUN_INSERT_LABEL:
 659                 code = InsetOld::LABEL_CODE;
 660                 break;
 661         case LFUN_INSET_OPTARG:
 662                 code = InsetOld::OPTARG_CODE;
 663                 break;
 664         case LFUN_ENVIRONMENT_INSERT:
 665                 code = InsetOld::MINIPAGE_CODE;
 666                 break;
 667         case LFUN_INDEX_INSERT:
 668                 code = InsetOld::INDEX_CODE;
 669                 break;
 670         case LFUN_INDEX_PRINT:
 671                 code = InsetOld::INDEX_PRINT_CODE;
 672                 break;
 673         case LFUN_TOC_INSERT:
 674                 code = InsetOld::TOC_CODE;
 675                 break;
 676         case LFUN_HTMLURL:
 677         case LFUN_URL:
 678                 code = InsetOld::URL_CODE;
 679                 break;
 680         case LFUN_QUOTE:
 681                 // always allow this, since we will inset a raw quote
 682                 // if an inset is not allowed.
 683                 break;
 684         case LFUN_HYPHENATION:
 685         case LFUN_LIGATURE_BREAK:
 686         case LFUN_HFILL:
 687         case LFUN_MENU_SEPARATOR:
 688         case LFUN_LDOTS:
 689         case LFUN_END_OF_SENTENCE:
 690                 code = InsetOld::SPECIALCHAR_CODE;
 691                 break;
 692         case LFUN_SPACE_INSERT:
 693                 // slight hack: we know this is allowed in math mode
 694                 if (!mathcursor)
 695                         code = InsetOld::SPACE_CODE;
 696                 break;
 697         case LFUN_INSET_DIALOG_SHOW: {
 698                 InsetOld * inset = view()->getLyXText()->getInset();
 699                 disable = !inset;
 700                 if (!disable) {
 701                         code = inset->lyxCode();
 702                         if (!(code == InsetOld::INCLUDE_CODE
 703                                 || code == InsetOld::BIBTEX_CODE
 704                                 || code == InsetOld::FLOAT_LIST_CODE
 705                                 || code == InsetOld::TOC_CODE))
 706                                 disable = true;
 707                 }
 708                 break;
 709         }
 710         default:
 711                 break;
 712         }
 713         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 714                 disable = true;
 715
 716         if (disable)
 717                 flag.disabled(true);
 718
 719         // A few general toggles
 720         switch (ev.action) {
 721         case LFUN_TOOLTIPS_TOGGLE:
 722                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 723                 break;
 724
 725         case LFUN_READ_ONLY_TOGGLE:
 726                 flag.setOnOff(buf->isReadonly());
 727                 break;
 728         case LFUN_APPENDIX:
 729                 flag.setOnOff(view()->getLyXText()->cursorPar()->params().startOfAppendix());
 730                 break;
 731         case LFUN_SWITCHBUFFER:
 732                 // toggle on the current buffer, but do not toggle off
 733                 // the other ones (is that a good idea?)
 734                 if (ev.argument == buf->fileName())
 735                         flag.setOnOff(true);
 736                 break;
 737         case LFUN_TRACK_CHANGES:
 738                 flag.setOnOff(buf->params().tracking_changes);
 739                 break;
 740         default:
 741                 break;
 742         }
 743
 744 #ifdef LOCK
 745         // the font related toggles
 746         if (!mathcursor) {
 747                 LyXFont const & font = view()->getLyXText()->real_current_font;
 748                 switch (ev.action) {
 749                 case LFUN_EMPH:
 750                         flag.setOnOff(font.emph() == LyXFont::ON);
 751                         break;
 752                 case LFUN_NOUN:
 753                         flag.setOnOff(font.noun() == LyXFont::ON);
 754                         break;
 755                 case LFUN_BOLD:
 756                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 757                         break;
 758                 case LFUN_SANS:
 759                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 760                         break;
 761                 case LFUN_ROMAN:
 762                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 763                         break;
 764                 case LFUN_CODE:
 765                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 766                         break;
 767                 default:
 768                         break;
 769                 }
 770         } else {
 771                 string tc = mathcursor->getLastCode();
 772                 switch (ev.action) {
 773                 case LFUN_BOLD:
 774                         flag.setOnOff(tc == "mathbf");
 775                         break;
 776                 case LFUN_SANS:
 777                         flag.setOnOff(tc == "mathsf");
 778                         break;
 779                 case LFUN_EMPH:
 780                         flag.setOnOff(tc == "mathcal");
 781                         break;
 782                 case LFUN_ROMAN:
 783                         flag.setOnOff(tc == "mathrm");
 784                         break;
 785                 case LFUN_CODE:
 786                         flag.setOnOff(tc == "mathtt");
 787                         break;
 788                 case LFUN_NOUN:
 789                         flag.setOnOff(tc == "mathbb");
 790                         break;
 791                 case LFUN_DEFAULT:
 792                         flag.setOnOff(tc == "mathnormal");
 793                         break;
 794                 default:
 795                         break;
 796                 }
 797         }
 798 #endif
 799
 800         // this one is difficult to get right. As a half-baked
 801         // solution, we consider only the first action of the sequence
 802         if (ev.action == LFUN_SEQUENCE) {
 803                 // argument contains ';'-terminated commands
 804 #warning LyXAction arguments not handled here.
 805                 flag = getStatus(FuncRequest(lyxaction.lookupFunc(token(ev.argument, ';', 0))));
 806         }
 807
 808         return flag;
 809 }
 810
 811
 812 namespace {
 813
 814 bool ensureBufferClean(BufferView * bv)
 815 {
 816         Buffer & buf = *bv->buffer();
 817         if (buf.isClean())
 818                 return true;
 819
 820         string const file = MakeDisplayPath(buf.fileName(), 30);
 821         string text = bformat(_("The document %1$s has unsaved "
 822                                 "changes.\n\nDo you want to save "
 823                                 "the document?"), file);
 824         int const ret = Alert::prompt(_("Save changed document?"),
 825                                       text, 0, 1, _("&Save"),
 826                                       _("&Cancel"));
 827
 828         if (ret == 0)
 829                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 830
 831         return buf.isClean();
 832 }
 833
 834 } //namespace anon
 835
 836
 837 void LyXFunc::dispatch(FuncRequest const & func, bool verbose)
 838 {
 839         string argument = func.argument;
 840         kb_action action = func.action;
 841
 842         //lyxerr[Debug::ACTION] << "LyXFunc::dispatch: cmd: " << func << endl;
 843         lyxerr << "LyXFunc::dispatch: cmd: " << func << endl;
 844
 845         // we have not done anything wrong yet.
 846         errorstat = false;
 847         dispatch_buffer.erase();
 848
 849 #ifdef NEW_DISPATCHER
 850         // We try do call the most specific dispatcher first:
 851         //  1. the lockinginset's dispatch
 852         //  2. the bufferview's dispatch
 853         //  3. the lyxview's dispatch
 854 #endif
 855
 856         selection_possible = false;
 857
 858         // We cannot use this function here
 859         if (getStatus(func).disabled()) {
 860                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 861                        << lyxaction.getActionName(action)
 862                        << " [" << action << "] is disabled at this location"
 863                        << endl;
 864                 setErrorMessage(getStatusMessage());
 865
 866         } else {
 867
 868                 if (view()->available())
 869                         view()->hideCursor();
 870
 871                 switch (action) {
 872
 873                 case LFUN_ESCAPE: {
 874                         if (!view()->available())
 875                                 break;
 876                         view()->cursor().pop();
 877                         // Tell the paragraph dialog that we changed paragraph
 878                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 879                         break;
 880                 }
 881
 882                 case LFUN_WORDFINDFORWARD:
 883                 case LFUN_WORDFINDBACKWARD: {
 884                         static string last_search;
 885                         string searched_string;
 886
 887                         if (!argument.empty()) {
 888                                 last_search = argument;
 889                                 searched_string = argument;
 890                         } else {
 891                                 searched_string = last_search;
 892                         }
 893                         bool fw = (action == LFUN_WORDFINDFORWARD);
 894                         if (!searched_string.empty())
 895                                 lyx::find::find(view(), searched_string,
 896                                                 true, false, fw);
 897                         break;
 898                 }
 899
 900                 case LFUN_PREFIX:
 901                         owner->message(keyseq.printOptions());
 902                         break;
 903
 904                 case LFUN_EXEC_COMMAND:
 905                         owner->focus_command_buffer();
 906                         break;
 907
 908                 case LFUN_CANCEL:
 909                         keyseq.reset();
 910                         meta_fake_bit = key_modifier::none;
 911                         if (view()->available())
 912                                 // cancel any selection
 913                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 914                         setMessage(N_("Cancel"));
 915                         break;
 916
 917                 case LFUN_META_FAKE:
 918                         meta_fake_bit = key_modifier::alt;
 919                         setMessage(keyseq.print());
 920                         break;
 921
 922                 case LFUN_READ_ONLY_TOGGLE:
 923                         if (owner->buffer()->lyxvc().inUse())
 924                                 owner->buffer()->lyxvc().toggleReadOnly();
 925                         else
 926                                 owner->buffer()->setReadonly(
 927                                         !owner->buffer()->isReadonly());
 928                         break;
 929
 930                 case LFUN_CENTER: // this is center and redraw.
 931                         view()->center();
 932                         break;
 933
 934                 // --- Menus -----------------------------------------------
 935                 case LFUN_MENUNEW:
 936                         menuNew(argument, false);
 937                         break;
 938
 939                 case LFUN_MENUNEWTMPLT:
 940                         menuNew(argument, true);
 941                         break;
 942
 943                 case LFUN_CLOSEBUFFER:
 944                         closeBuffer();
 945                         break;
 946
 947                 case LFUN_MENUWRITE:
 948                         if (!owner->buffer()->isUnnamed()) {
 949                                 string const str = bformat(_("Saving document %1$s..."),
 950                                          MakeDisplayPath(owner->buffer()->fileName()));
 951                                 owner->message(str);
 952                                 MenuWrite(owner->buffer());
 953                                 owner->message(str + _(" done."));
 954                         } else
 955                                 WriteAs(owner->buffer());
 956                         break;
 957
 958                 case LFUN_WRITEAS:
 959                         WriteAs(owner->buffer(), argument);
 960                         break;
 961
 962                 case LFUN_MENURELOAD: {
 963                         string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
 964                         string text = bformat(_("Any changes will be lost. Are you sure "
 965                                 "you want to revert to the saved version of the document %1$s?"), file);
 966                         int const ret = Alert::prompt(_("Revert to saved document?"),
 967                                 text, 0, 1, _("&Revert"), _("&Cancel"));
 968
 969                         if (ret == 0)
 970                                 view()->reload();
 971                         break;
 972                 }
 973
 974                 case LFUN_UPDATE:
 975                         Exporter::Export(owner->buffer(), argument, true);
 976                         view()->showErrorList(BufferFormat(*owner->buffer()));
 977                         break;
 978
 979                 case LFUN_PREVIEW:
 980                         Exporter::Preview(owner->buffer(), argument);
 981                         view()->showErrorList(BufferFormat(*owner->buffer()));
 982                         break;
 983
 984                 case LFUN_BUILDPROG:
 985                         Exporter::Export(owner->buffer(), "program", true);
 986                         view()->showErrorList(_("Build"));
 987                         break;
 988
 989                 case LFUN_RUNCHKTEX:
 990                         owner->buffer()->runChktex();
 991                         view()->showErrorList(_("ChkTeX"));
 992                         break;
 993
 994                 case LFUN_EXPORT:
 995                         if (argument == "custom")
 996                                 owner->getDialogs().showSendto();
 997                         else {
 998                                 Exporter::Export(owner->buffer(), argument, false);
 999                                 view()->showErrorList(BufferFormat(*owner->buffer()));
1000                         }
1001                         break;
1002
1003                 case LFUN_IMPORT:
1004                         doImport(argument);
1005                         break;
1006
1007                 case LFUN_QUIT:
1008                         QuitLyX();
1009                         break;
1010
1011                 case LFUN_TOCVIEW: {
1012                         InsetCommandParams p("tableofcontents");
1013                         string const data = InsetCommandMailer::params2string("toc", p);
1014                         owner->getDialogs().show("toc", data, 0);
1015                         break;
1016                 }
1017
1018                 case LFUN_AUTOSAVE:
1019                         AutoSave(view());
1020                         break;
1021
1022                 case LFUN_UNDO:
1023                         view()->undo();
1024                         break;
1025
1026                 case LFUN_REDO:
1027                         view()->redo();
1028                         break;
1029
1030                 case LFUN_RECONFIGURE:
1031                         Reconfigure(view());
1032                         break;
1033
1034                 case LFUN_HELP_OPEN: {
1035                         string const arg = argument;
1036                         if (arg.empty()) {
1037                                 setErrorMessage(N_("Missing argument"));
1038                                 break;
1039                         }
1040                         string const fname = i18nLibFileSearch("doc", arg, "lyx");
1041                         if (fname.empty()) {
1042                                 lyxerr << "LyX: unable to find documentation file `"
1043                                                          << arg << "'. Bad installation?" << endl;
1044                                 break;
1045                         }
1046                         owner->message(bformat(_("Opening help file %1$s..."),
1047                                 MakeDisplayPath(fname)));
1048                         view()->loadLyXFile(fname, false);
1049                         break;
1050                 }
1051
1052                 // --- version control -------------------------------
1053                 case LFUN_VC_REGISTER:
1054                         if (!ensureBufferClean(view()))
1055                                 break;
1056                         if (!owner->buffer()->lyxvc().inUse()) {
1057                                 owner->buffer()->lyxvc().registrer();
1058                                 view()->reload();
1059                         }
1060                         break;
1061
1062                 case LFUN_VC_CHECKIN:
1063                         if (!ensureBufferClean(view()))
1064                                 break;
1065                         if (owner->buffer()->lyxvc().inUse()
1066                                         && !owner->buffer()->isReadonly()) {
1067                                 owner->buffer()->lyxvc().checkIn();
1068                                 view()->reload();
1069                         }
1070                         break;
1071
1072                 case LFUN_VC_CHECKOUT:
1073                         if (!ensureBufferClean(view()))
1074                                 break;
1075                         if (owner->buffer()->lyxvc().inUse()
1076                                         && owner->buffer()->isReadonly()) {
1077                                 owner->buffer()->lyxvc().checkOut();
1078                                 view()->reload();
1079                         }
1080                         break;
1081
1082                 case LFUN_VC_REVERT:
1083                         owner->buffer()->lyxvc().revert();
1084                         view()->reload();
1085                         break;
1086
1087                 case LFUN_VC_UNDO:
1088                         owner->buffer()->lyxvc().undoLast();
1089                         view()->reload();
1090                         break;
1091
1092                 // --- buffers ----------------------------------------
1093                 case LFUN_SWITCHBUFFER:
1094                         view()->buffer(bufferlist.getBuffer(argument));
1095                         break;
1096
1097                 case LFUN_FILE_NEW:
1098                         NewFile(view(), argument);
1099                         break;
1100
1101                 case LFUN_FILE_OPEN:
1102                         open(argument);
1103                         break;
1104
1105                 case LFUN_LAYOUT_TABULAR:
1106                         if (InsetTabular * tab = view()->cursor().innerInsetTabular())
1107                                 tab->openLayoutDialog(view());
1108                         break;
1109
1110                 case LFUN_DROP_LAYOUTS_CHOICE:
1111                         owner->getToolbar().openLayoutList();
1112                         break;
1113
1114                 case LFUN_MENU_OPEN_BY_NAME:
1115                         owner->getMenubar().openByName(argument);
1116                         break;
1117
1118                 // --- lyxserver commands ----------------------------
1119                 case LFUN_GETNAME:
1120                         setMessage(owner->buffer()->fileName());
1121                         lyxerr[Debug::INFO] << "FNAME["
1122                                                          << owner->buffer()->fileName()
1123                                                          << "] " << endl;
1124                         break;
1125
1126                 case LFUN_NOTIFY:
1127                         dispatch_buffer = keyseq.print();
1128                         lyxserver->notifyClient(dispatch_buffer);
1129                         break;
1130
1131                 case LFUN_GOTOFILEROW: {
1132                         string file_name;
1133                         int row;
1134                         istringstream is(argument);
1135                         is >> file_name >> row;
1136                         if (prefixIs(file_name, getTmpDir())) {
1137                                 // Needed by inverse dvi search. If it is a file
1138                                 // in tmpdir, call the apropriated function
1139                                 view()->buffer(bufferlist.getBufferFromTmp(file_name));
1140                         } else {
1141                                 // Must replace extension of the file to be .lyx
1142                                 // and get full path
1143                                 string const s = ChangeExtension(file_name, ".lyx");
1144                                 // Either change buffer or load the file
1145                                 if (bufferlist.exists(s)) {
1146                                         view()->buffer(bufferlist.getBuffer(s));
1147                                 } else {
1148                                         view()->loadLyXFile(s);
1149                                 }
1150                         }
1151
1152                         view()->setCursorFromRow(row);
1153
1154                         view()->center();
1155                         // see BufferView_pimpl::center()
1156                         view()->updateScrollbar();
1157                         break;
1158                 }
1159
1160                 case LFUN_GOTO_PARAGRAPH: {
1161                         istringstream is(argument);
1162                         int id;
1163                         is >> id;
1164                         ParIterator par = owner->buffer()->getParFromID(id);
1165                         if (par == owner->buffer()->par_iterator_end()) {
1166                                 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1167                                                                 << id << ']' << endl;
1168                                 break;
1169                         } else {
1170                                 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1171                                                                 << " found." << endl;
1172                         }
1173
1174                         par.lockPath(view());
1175                         LyXText * lt = par.text(*view()->buffer());
1176
1177                         // Set the cursor
1178                         lt->setCursor(par.pit(), 0);
1179                         view()->switchKeyMap();
1180                         owner->view_state_changed();
1181
1182                         view()->center();
1183                         // see BufferView_pimpl::center()
1184                         view()->updateScrollbar();
1185                         break;
1186                 }
1187
1188                 // ---  Mathed stuff. If we are here, there is no locked inset yet.
1189                 case LFUN_MATH_EXTERN:
1190                 case LFUN_MATH_NUMBER:
1191                 case LFUN_MATH_NONUMBER:
1192                 case LFUN_MATH_LIMITS:
1193                         setErrorMessage(N_("This is only allowed in math mode!"));
1194                         break;
1195
1196                 case LFUN_DIALOG_SHOW: {
1197                         string const name = func.getArg(0);
1198                         string data = trim(func.argument.substr(name.size()));
1199
1200                         if (name == "character") {
1201                                 data = freefont2string();
1202                                 if (!data.empty())
1203                                         owner->getDialogs().show("character", data);
1204                         }
1205                         else if (name == "document")
1206                                 owner->getDialogs().showDocument();
1207                         else if (name == "findreplace")
1208                                 owner->getDialogs().showSearch();
1209                         else if (name == "forks")
1210                                 owner->getDialogs().showForks();
1211                         else if (name == "preamble")
1212                                 owner->getDialogs().showPreamble();
1213                         else if (name == "preferences")
1214                                 owner->getDialogs().showPreferences();
1215                         else if (name == "print")
1216                                 owner->getDialogs().showPrint();
1217                         else if (name == "spellchecker")
1218                                 owner->getDialogs().showSpellchecker();
1219
1220                         else if (name == "latexlog") {
1221                                 pair<Buffer::LogType, string> const logfile =
1222                                         owner->buffer()->getLogName();
1223                                 switch (logfile.first) {
1224                                 case Buffer::latexlog:
1225                                         data = "latex ";
1226                                         break;
1227                                 case Buffer::buildlog:
1228                                         data = "literate ";
1229                                         break;
1230                                 }
1231                                 data += logfile.second;
1232                                 owner->getDialogs().show("log", data);
1233                         }
1234                         else if (name == "vclog") {
1235                                 string const data = "vc " +
1236                                         owner->buffer()->lyxvc().getLogFile();
1237                                 owner->getDialogs().show("log", data);
1238                         }
1239                         else
1240                                 owner->getDialogs().show(name, data);
1241                         break;
1242                 }
1243
1244                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1245                         string const name = func.getArg(0);
1246                         string data = trim(func.argument.substr(name.size()));
1247                         if (name == "bibitem" ||
1248                             name == "bibtex" ||
1249                             name == "include" ||
1250                             name == "index" ||
1251                             name == "label" ||
1252                             name == "ref" ||
1253                             name == "toc" ||
1254                             name == "url") {
1255                                 InsetCommandParams p(name);
1256                                 data = InsetCommandMailer::params2string(name, p);
1257                         } else if (name == "box") {
1258                                 // \c data == "Boxed" || "Frameless" etc
1259                                 InsetBoxParams p(data);
1260                                 data = InsetBoxMailer::params2string(p);
1261                         } else if (name == "branch") {
1262                                 InsetBranchParams p;
1263                                 data = InsetBranchMailer::params2string(p);
1264                         } else if (name == "citation") {
1265                                 InsetCommandParams p("cite");
1266                                 data = InsetCommandMailer::params2string(name, p);
1267                         } else if (name == "ert") {
1268                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1269                         } else if (name == "external") {
1270                                 InsetExternalParams p;
1271                                 Buffer const & buffer = *owner->buffer();
1272                                 data = InsetExternalMailer::params2string(p, buffer);
1273                         } else if (name == "float") {
1274                                 InsetFloatParams p;
1275                                 data = InsetFloatMailer::params2string(p);
1276                         } else if (name == "graphics") {
1277                                 InsetGraphicsParams p;
1278                                 Buffer const & buffer = *owner->buffer();
1279                                 data = InsetGraphicsMailer::params2string(p, buffer);
1280                         } else if (name == "minipage") {
1281                                 InsetMinipage::Params p;
1282                                 data = InsetMinipageMailer::params2string(p);
1283                         } else if (name == "note") {
1284                                 InsetNoteParams p;
1285                                 data = InsetNoteMailer::params2string(p);
1286                         } else if (name == "vspace") {
1287                                 VSpace space;
1288                                 data = InsetVSpaceMailer::params2string(space);
1289                         } else if (name == "wrap") {
1290                                 InsetWrapParams p;
1291                                 data = InsetWrapMailer::params2string(p);
1292                         }
1293                         owner->getDialogs().show(name, data, 0);
1294                         break;
1295                 }
1296
1297                 case LFUN_DIALOG_SHOW_NEXT_INSET:
1298                         break;
1299
1300                 case LFUN_INSET_DIALOG_SHOW: {
1301                         InsetOld * inset = view()->getLyXText()->getInset();
1302                         if (inset)
1303                                 inset->dispatch(FuncRequest(view(), LFUN_INSET_DIALOG_SHOW));
1304                         break;
1305                 }
1306
1307                 case LFUN_DIALOG_UPDATE: {
1308                         string const & name = argument;
1309                         // Can only update a dialog connected to an existing inset
1310                         InsetBase * inset = owner->getDialogs().getOpenInset(name);
1311                         if (inset) {
1312                                 FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1313                                                                  func.argument);
1314                                 inset->dispatch(fr);
1315                         } else if (name == "paragraph") {
1316                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1317                         }
1318                         break;
1319                 }
1320
1321                 case LFUN_DIALOG_HIDE:
1322                         Dialogs::hide(argument, 0);
1323                         break;
1324
1325                 case LFUN_DIALOG_DISCONNECT_INSET:
1326                         owner->getDialogs().disconnect(argument);
1327                         break;
1328
1329                 case LFUN_CHILDOPEN: {
1330                         string const filename =
1331                                 MakeAbsPath(argument, owner->buffer()->filePath());
1332                         setMessage(N_("Opening child document ") +
1333                                          MakeDisplayPath(filename) + "...");
1334                         view()->savePosition(0);
1335                         string const parentfilename = owner->buffer()->fileName();
1336                         if (bufferlist.exists(filename))
1337                                 view()->buffer(bufferlist.getBuffer(filename));
1338                         else
1339                                 view()->loadLyXFile(filename);
1340                         // Set the parent name of the child document.
1341                         // This makes insertion of citations and references in the child work,
1342                         // when the target is in the parent or another child document.
1343                         owner->buffer()->setParentName(parentfilename);
1344                         break;
1345                 }
1346
1347                 case LFUN_TOGGLECURSORFOLLOW:
1348                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1349                         break;
1350
1351                 case LFUN_KMAP_OFF:
1352                         owner->getIntl().KeyMapOn(false);
1353                         break;
1354
1355                 case LFUN_KMAP_PRIM:
1356                         owner->getIntl().KeyMapPrim();
1357                         break;
1358
1359                 case LFUN_KMAP_SEC:
1360                         owner->getIntl().KeyMapSec();
1361                         break;
1362
1363                 case LFUN_KMAP_TOGGLE:
1364                         owner->getIntl().ToggleKeyMap();
1365                         break;
1366
1367                 case LFUN_REPEAT: {
1368                         // repeat command
1369                         string countstr;
1370                         argument = split(argument, countstr, ' ');
1371                         istringstream is(countstr);
1372                         int count = 0;
1373                         is >> count;
1374                         lyxerr << "repeat: count: " << count << " cmd: " << argument << endl;
1375                         for (int i = 0; i < count; ++i)
1376                                 dispatch(lyxaction.lookupFunc(argument));
1377                         break;
1378                 }
1379
1380                 case LFUN_SEQUENCE:
1381                         // argument contains ';'-terminated commands
1382                         while (!argument.empty()) {
1383                                 string first;
1384                                 argument = split(argument, first, ';');
1385                                 dispatch(lyxaction.lookupFunc(first));
1386                         }
1387                         break;
1388
1389                 case LFUN_SAVEPREFERENCES: {
1390                         Path p(user_lyxdir());
1391                         lyxrc.write("preferences");
1392                         break;
1393                 }
1394
1395                 case LFUN_SCREEN_FONT_UPDATE:
1396                         // handle the screen font changes.
1397                         lyxrc.set_font_norm_type();
1398                         lyx_gui::update_fonts();
1399                         // All visible buffers will need resize
1400                         view()->resize();
1401                         break;
1402
1403                 case LFUN_SET_COLOR: {
1404                         string lyx_name;
1405                         string const x11_name = split(argument, lyx_name, ' ');
1406                         if (lyx_name.empty() || x11_name.empty()) {
1407                                 setErrorMessage(N_("Syntax: set-color <lyx_name>"
1408                                                         " <x11_name>"));
1409                                 break;
1410                         }
1411
1412                         bool const graphicsbg_changed =
1413                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1414                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1415
1416                         if (!lcolor.setColor(lyx_name, x11_name)) {
1417                                 setErrorMessage(
1418                                         bformat(_("Set-color \"%1$s\" failed "
1419                                                                 "- color is undefined or "
1420                                                                 "may not be redefined"), lyx_name));
1421                                 break;
1422                         }
1423
1424                         lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1425
1426                         if (graphicsbg_changed) {
1427 #ifdef WITH_WARNINGS
1428 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1429 #endif
1430 #if 0
1431                                 lyx::graphics::GCache::get().changeDisplay(true);
1432 #endif
1433                         }
1434                         break;
1435                 }
1436
1437                 case LFUN_MESSAGE:
1438                         owner->message(argument);
1439                         break;
1440
1441                 case LFUN_FORKS_KILL:
1442                         if (isStrInt(argument))
1443                                 ForkedcallsController::get().kill(strToInt(argument));
1444                         break;
1445
1446                 case LFUN_TOOLTIPS_TOGGLE:
1447                         owner->getDialogs().toggleTooltips();
1448                         break;
1449
1450                 case LFUN_EXTERNAL_EDIT:
1451                         InsetExternal().dispatch(FuncRequest(view(), action, argument));
1452                         break;
1453
1454                 default: {
1455                                 DispatchResult result =
1456                                         view()->cursor().dispatch(FuncRequest(func, view()));
1457                                 if (result.dispatched())
1458                                         lyxerr << "dispatched by Cursor::dispatch()" << endl;
1459                                 else
1460                                         lyxerr << "### NOT DISPATCHED BY Cursor::dispatch() ###" << endl;
1461                                 break;
1462                         }
1463                 }
1464         }
1465
1466         view()->owner()->updateLayoutChoice();
1467
1468         if (view()->available()) {
1469                 view()->fitCursor();
1470                 view()->update();
1471                 view()->cursor().updatePos();
1472                 // if we executed a mutating lfun, mark the buffer as dirty
1473                 if (!getStatus(func).disabled()
1474                     && !lyxaction.funcHasFlag(func.action, LyXAction::NoBuffer)
1475                     && !lyxaction.funcHasFlag(func.action, LyXAction::ReadOnly))
1476                         view()->buffer()->markDirty();
1477         }
1478
1479         sendDispatchMessage(getMessage(), func, verbose);
1480 }
1481
1482
1483 void LyXFunc::sendDispatchMessage(string const & msg,
1484                                   FuncRequest const & func, bool verbose)
1485 {
1486         owner->updateMenubar();
1487         owner->updateToolbar();
1488
1489         if (func.action == LFUN_SELFINSERT || !verbose) {
1490                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1491                 if (!msg.empty())
1492                         owner->message(msg);
1493                 return;
1494         }
1495
1496         string dispatch_msg = msg;
1497         if (!dispatch_msg.empty())
1498                 dispatch_msg += ' ';
1499
1500         string comname = lyxaction.getActionName(func.action);
1501
1502         bool argsadded = false;
1503
1504         if (!func.argument.empty()) {
1505                 if (func.action != LFUN_UNKNOWN_ACTION) {
1506                         comname += ' ' + func.argument;
1507                         argsadded = true;
1508                 }
1509         }
1510
1511         string const shortcuts = toplevel_keymap->findbinding(func);
1512
1513         if (!shortcuts.empty()) {
1514                 comname += ": " + shortcuts;
1515         } else if (!argsadded && !func.argument.empty()) {
1516                 comname += ' ' + func.argument;
1517         }
1518
1519         if (!comname.empty()) {
1520                 comname = rtrim(comname);
1521                 dispatch_msg += '(' + comname + ')';
1522         }
1523
1524         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1525         if (!dispatch_msg.empty())
1526                 owner->message(dispatch_msg);
1527 }
1528
1529
1530 void LyXFunc::setupLocalKeymap()
1531 {
1532         keyseq.stdmap = toplevel_keymap.get();
1533         keyseq.curmap = toplevel_keymap.get();
1534         cancel_meta_seq.stdmap = toplevel_keymap.get();
1535         cancel_meta_seq.curmap = toplevel_keymap.get();
1536 }
1537
1538
1539 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1540 {
1541         string initpath = lyxrc.document_path;
1542         string filename(name);
1543
1544         if (view()->available()) {
1545                 string const trypath = owner->buffer()->filePath();
1546                 // If directory is writeable, use this as default.
1547                 if (IsDirWriteable(trypath))
1548                         initpath = trypath;
1549         }
1550
1551         static int newfile_number;
1552
1553         if (filename.empty()) {
1554                 filename = AddName(lyxrc.document_path,
1555                             "newfile" + tostr(++newfile_number) + ".lyx");
1556                 FileInfo fi(filename);
1557                 while (bufferlist.exists(filename) || fi.readable()) {
1558                         ++newfile_number;
1559                         filename = AddName(lyxrc.document_path,
1560                                     "newfile" + tostr(newfile_number) +
1561                                     ".lyx");
1562                         fi.newFile(filename);
1563                 }
1564         }
1565
1566         // The template stuff
1567         string templname;
1568         if (fromTemplate) {
1569                 FileDialog fileDlg(_("Select template file"),
1570                         LFUN_SELECT_FILE_SYNC,
1571                         make_pair(string(_("Documents|#o#O")),
1572                                   string(lyxrc.document_path)),
1573                         make_pair(string(_("Templates|#T#t")),
1574                                   string(lyxrc.template_path)));
1575
1576                 FileDialog::Result result =
1577                         fileDlg.open(lyxrc.template_path,
1578                                        _("*.lyx| LyX Documents (*.lyx)"));
1579
1580                 if (result.first == FileDialog::Later)
1581                         return;
1582                 if (result.second.empty())
1583                         return;
1584                 templname = result.second;
1585         }
1586
1587         view()->newFile(filename, templname, !name.empty());
1588 }
1589
1590
1591 void LyXFunc::open(string const & fname)
1592 {
1593         string initpath = lyxrc.document_path;
1594
1595         if (view()->available()) {
1596                 string const trypath = owner->buffer()->filePath();
1597                 // If directory is writeable, use this as default.
1598                 if (IsDirWriteable(trypath))
1599                         initpath = trypath;
1600         }
1601
1602         string filename;
1603
1604         if (fname.empty()) {
1605                 FileDialog fileDlg(_("Select document to open"),
1606                         LFUN_FILE_OPEN,
1607                         make_pair(string(_("Documents|#o#O")),
1608                                   string(lyxrc.document_path)),
1609                         make_pair(string(_("Examples|#E#e")),
1610                                   string(AddPath(system_lyxdir(), "examples"))));
1611
1612                 FileDialog::Result result =
1613                         fileDlg.open(initpath,
1614                                        _("*.lyx| LyX Documents (*.lyx)"));
1615
1616                 if (result.first == FileDialog::Later)
1617                         return;
1618
1619                 filename = result.second;
1620
1621                 // check selected filename
1622                 if (filename.empty()) {
1623                         owner->message(_("Canceled."));
1624                         return;
1625                 }
1626         } else
1627                 filename = fname;
1628
1629         // get absolute path of file and add ".lyx" to the filename if
1630         // necessary
1631         string const fullpath = FileSearch(string(), filename, "lyx");
1632         if (!fullpath.empty()) {
1633                 filename = fullpath;
1634         }
1635
1636         string const disp_fn(MakeDisplayPath(filename));
1637
1638         // if the file doesn't exist, let the user create one
1639         FileInfo const f(filename, true);
1640         if (!f.exist()) {
1641                 // the user specifically chose this name. Believe them.
1642                 view()->newFile(filename, "", true);
1643                 return;
1644         }
1645
1646         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1647
1648         string str2;
1649         if (view()->loadLyXFile(filename)) {
1650                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1651         } else {
1652                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1653         }
1654         owner->message(str2);
1655 }
1656
1657
1658 void LyXFunc::doImport(string const & argument)
1659 {
1660         string format;
1661         string filename = split(argument, format, ' ');
1662
1663         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1664                             << " file: " << filename << endl;
1665
1666         // need user interaction
1667         if (filename.empty()) {
1668                 string initpath = lyxrc.document_path;
1669
1670                 if (view()->available()) {
1671                         string const trypath = owner->buffer()->filePath();
1672                         // If directory is writeable, use this as default.
1673                         if (IsDirWriteable(trypath))
1674                                 initpath = trypath;
1675                 }
1676
1677                 string const text = bformat(_("Select %1$s file to import"),
1678                         formats.prettyName(format));
1679
1680                 FileDialog fileDlg(text,
1681                         LFUN_IMPORT,
1682                         make_pair(string(_("Documents|#o#O")),
1683                                   string(lyxrc.document_path)),
1684                         make_pair(string(_("Examples|#E#e")),
1685                                   string(AddPath(system_lyxdir(), "examples"))));
1686
1687                 string const extension = "*." + formats.extension(format)
1688                         + "| " + formats.prettyName(format)
1689                         + " (*." + formats.extension(format) + ')';
1690
1691                 FileDialog::Result result = fileDlg.open(initpath,
1692                                                            extension);
1693
1694                 if (result.first == FileDialog::Later)
1695                         return;
1696
1697                 filename = result.second;
1698
1699                 // check selected filename
1700                 if (filename.empty())
1701                         owner->message(_("Canceled."));
1702         }
1703
1704         if (filename.empty())
1705                 return;
1706
1707         // get absolute path of file
1708         filename = MakeAbsPath(filename);
1709
1710         string const lyxfile = ChangeExtension(filename, ".lyx");
1711
1712         // Check if the document already is open
1713         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1714                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1715                         owner->message(_("Canceled."));
1716                         return;
1717                 }
1718         }
1719
1720         // if the file exists already, and we didn't do
1721         // -i lyx thefile.lyx, warn
1722         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1723                 string const file = MakeDisplayPath(lyxfile, 30);
1724
1725                 string text = bformat(_("The document %1$s already exists.\n\n"
1726                         "Do you want to over-write that document?"), file);
1727                 int const ret = Alert::prompt(_("Over-write document?"),
1728                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1729
1730                 if (ret == 1) {
1731                         owner->message(_("Canceled."));
1732                         return;
1733                 }
1734         }
1735
1736         Importer::Import(owner, filename, format);
1737 }
1738
1739
1740 void LyXFunc::closeBuffer()
1741 {
1742         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1743                 if (bufferlist.empty()) {
1744                         // need this otherwise SEGV may occur while
1745                         // trying to set variables that don't exist
1746                         // since there's no current buffer
1747                         owner->getDialogs().hideBufferDependent();
1748                 } else {
1749                         view()->buffer(bufferlist.first());
1750                 }
1751         }
1752 }
1753
1754
1755 // Each "owner" should have it's own message method. lyxview and
1756 // the minibuffer would use the minibuffer, but lyxserver would
1757 // send an ERROR signal to its client.  Alejandro 970603
1758 // This func is bit problematic when it comes to NLS, to make the
1759 // lyx servers client be language indepenent we must not translate
1760 // strings sent to this func.
1761 void LyXFunc::setErrorMessage(string const & m) const
1762 {
1763         dispatch_buffer = m;
1764         errorstat = true;
1765 }
1766
1767
1768 void LyXFunc::setMessage(string const & m) const
1769 {
1770         dispatch_buffer = m;
1771 }
1772
1773
1774 void LyXFunc::setStatusMessage(string const & m) const
1775 {
1776         status_buffer = m;
1777 }
1778
1779
1780 string const LyXFunc::view_status_message()
1781 {
1782         // When meta-fake key is pressed, show the key sequence so far + "M-".
1783         if (wasMetaKey()) {
1784                 return keyseq.print() + "M-";
1785         }
1786
1787         // Else, when a non-complete key sequence is pressed,
1788         // show the available options.
1789         if (keyseq.length() > 0 && !keyseq.deleted()) {
1790                 return keyseq.printOptions();
1791         }
1792
1793         if (!view()->available())
1794                 return _("Welcome to LyX!");
1795
1796         return currentState(view());
1797 }
1798
1799
1800 BufferView * LyXFunc::view() const
1801 {
1802         BOOST_ASSERT(owner);
1803         return owner->view().get();
1804 }
1805
1806
1807 bool LyXFunc::wasMetaKey() const
1808 {
1809         return (meta_fake_bit != key_modifier::none);
1810 }