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/insetcommand.h"
  55 #include "insets/insetexternal.h"
  56 #include "insets/insettabular.h"
  57 #include "insets/insetvspace.h"
  58
  59 #include "mathed/math_cursor.h"
  60
  61 #include "frontends/Alert.h"
  62 #include "frontends/Dialogs.h"
  63 #include "frontends/FileDialog.h"
  64 #include "frontends/lyx_gui.h"
  65 #include "frontends/LyXKeySym.h"
  66 #include "frontends/LyXView.h"
  67 #include "frontends/Menubar.h"
  68 #include "frontends/Toolbar.h"
  69
  70 #include "support/FileInfo.h"
  71 #include "support/filetools.h"
  72 #include "support/forkedcontr.h"
  73 #include "support/path.h"
  74 #include "support/path_defines.h"
  75 #include "support/tostr.h"
  76 #include "support/std_sstream.h"
  77 #include "support/os.h"
  78
  79 using bv_funcs::changeDepth;
  80 using bv_funcs::currentState;
  81 using bv_funcs::DEC_DEPTH;
  82 using bv_funcs::freefont2string;
  83 using bv_funcs::INC_DEPTH;
  84
  85 using lyx::support::AddName;
  86 using lyx::support::AddPath;
  87 using lyx::support::bformat;
  88 using lyx::support::ChangeExtension;
  89 using lyx::support::FileInfo;
  90 using lyx::support::FileSearch;
  91 using lyx::support::ForkedcallsController;
  92 using lyx::support::i18nLibFileSearch;
  93 using lyx::support::IsDirWriteable;
  94 using lyx::support::IsFileReadable;
  95 using lyx::support::isStrInt;
  96 using lyx::support::MakeAbsPath;
  97 using lyx::support::MakeDisplayPath;
  98 using lyx::support::Path;
  99 using lyx::support::rtrim;
 100 using lyx::support::split;
 101 using lyx::support::strToInt;
 102 using lyx::support::strToUnsignedInt;
 103 using lyx::support::system_lyxdir;
 104 using lyx::support::token;
 105 using lyx::support::trim;
 106 using lyx::support::user_lyxdir;
 107 using lyx::support::prefixIs;
 108 using lyx::support::os::getTmpDir;
 109
 110 using std::endl;
 111 using std::make_pair;
 112 using std::pair;
 113 using std::string;
 114 using std::istringstream;
 115
 116
 117 extern BufferList bufferlist;
 118 extern LyXServer * lyxserver;
 119 extern bool selection_possible;
 120
 121 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 122
 123 // (alkis)
 124 extern tex_accent_struct get_accent(kb_action action);
 125
 126
 127 LyXFunc::LyXFunc(LyXView * lv)
 128         : owner(lv),
 129         encoded_last_key(0),
 130         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 131         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 132         meta_fake_bit(key_modifier::none)
 133 {
 134 }
 135
 136
 137 void LyXFunc::handleKeyFunc(kb_action action)
 138 {
 139         char c = encoded_last_key;
 140
 141         if (keyseq.length()) {
 142                 c = 0;
 143         }
 144
 145         owner->getIntl().getTransManager()
 146                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 147         // Need to clear, in case the minibuffer calls these
 148         // actions
 149         keyseq.clear();
 150         // copied verbatim from do_accent_char
 151         view()->update();
 152         view()->getLyXText()->selection.cursor = view()->getLyXText()->cursor;
 153 }
 154
 155
 156 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 157                             key_modifier::state state)
 158 {
 159         string argument;
 160
 161         if (lyxerr.debugging(Debug::KEY)) {
 162                 lyxerr << "KeySym is "
 163                        << keysym->getSymbolName()
 164                        << endl;
 165         }
 166
 167         // Do nothing if we have nothing (JMarc)
 168         if (!keysym->isOK()) {
 169                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 170                                    << endl;
 171                 return;
 172         }
 173
 174         if (keysym->isModifier()) {
 175                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 176                 return;
 177         }
 178
 179         Encoding const * encoding = view()->getEncoding();
 180
 181         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 182
 183         // Do a one-deep top-level lookup for
 184         // cancel and meta-fake keys. RVDK_PATCH_5
 185         cancel_meta_seq.reset();
 186
 187         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 188         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 189
 190         // When not cancel or meta-fake, do the normal lookup.
 191         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 192         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 193         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 194                 // remove Caps Lock and Mod2 as a modifiers
 195                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 196                 lyxerr[Debug::KEY] << "action now set to ["
 197                         << func.action << ']' << endl;
 198         }
 199
 200         // Dont remove this unless you know what you are doing.
 201         meta_fake_bit = key_modifier::none;
 202
 203         // can this happen now ?
 204         if (func.action == LFUN_NOACTION) {
 205                 func = FuncRequest(LFUN_PREFIX);
 206         }
 207
 208         if (lyxerr.debugging(Debug::KEY)) {
 209                 lyxerr << "Key [action="
 210                        << func.action << "]["
 211                        << keyseq.print() << ']'
 212                        << endl;
 213         }
 214
 215         // already here we know if it any point in going further
 216         // why not return already here if action == -1 and
 217         // num_bytes == 0? (Lgb)
 218
 219         if (keyseq.length() > 1) {
 220                 owner->message(keyseq.print());
 221         }
 222
 223
 224         // Maybe user can only reach the key via holding down shift.
 225         // Let's see. But only if shift is the only modifier
 226         if (func.action == LFUN_UNKNOWN_ACTION &&
 227             state == key_modifier::shift) {
 228                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 229                 func = keyseq.addkey(keysym, key_modifier::none);
 230                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 231         }
 232
 233         if (func.action == LFUN_UNKNOWN_ACTION) {
 234                 // Hmm, we didn't match any of the keysequences. See
 235                 // if it's normal insertable text not already covered
 236                 // by a binding
 237                 if (keysym->isText() && keyseq.length() == 1) {
 238                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 239                         func = FuncRequest(LFUN_SELFINSERT);
 240                 } else {
 241                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 242                         owner->message(_("Unknown function."));
 243                         return;
 244                 }
 245         }
 246
 247         if (func.action == LFUN_SELFINSERT) {
 248                 if (encoded_last_key != 0) {
 249                         string arg;
 250                         arg += encoded_last_key;
 251
 252                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 253
 254                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 255                                    << argument << "']" << endl;
 256                 }
 257         } else {
 258                 dispatch(func);
 259         }
 260 }
 261
 262
 263 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 264 {
 265         FuncStatus flag;
 266         Buffer * buf = owner->buffer();
 267
 268         if (ev.action == LFUN_NOACTION) {
 269                 setStatusMessage(N_("Nothing to do"));
 270                 flag.disabled(true);
 271                 return flag;
 272         }
 273
 274         switch (ev.action) {
 275         case LFUN_UNKNOWN_ACTION:
 276 #ifndef HAVE_LIBAIKSAURUS
 277         case LFUN_THESAURUS_ENTRY:
 278 #endif
 279                 flag.unknown(true);
 280                 flag.disabled(true);
 281                 break;
 282         default:
 283                 flag |= lyx_gui::getStatus(ev);
 284         }
 285
 286         if (flag.unknown()) {
 287                 setStatusMessage(N_("Unknown action"));
 288                 return flag;
 289         }
 290
 291         // the default error message if we disable the command
 292         setStatusMessage(N_("Command disabled"));
 293
 294         // Check whether we need a buffer
 295         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 296                 // Yes we need a buffer, do we have one?
 297                 if (buf) {
 298                         // yes
 299                         // Can we use a readonly buffer?
 300                         if (buf->isReadonly() &&
 301                             !lyxaction.funcHasFlag(ev.action,
 302                                                    LyXAction::ReadOnly)) {
 303                                 // no
 304                                 setStatusMessage(N_("Document is read-only"));
 305                                 flag.disabled(true);
 306                         }
 307                 } else {
 308                         // no
 309                         setStatusMessage(N_("Command not allowed with"
 310                                             "out any document open"));
 311                         flag.disabled(true);
 312                         return flag;
 313                 }
 314         }
 315
 316         UpdatableInset * tli = view()->cursor().innerInset();
 317         InsetTabular * tab = view()->cursor().innerInsetTabular();
 318
 319         // I would really like to avoid having this switch and rather try to
 320         // encode this in the function itself.
 321         bool disable = false;
 322         switch (ev.action) {
 323         case LFUN_EXPORT:
 324                 disable = ev.argument != "custom"
 325                         && !Exporter::IsExportable(*buf, ev.argument);
 326                 break;
 327         case LFUN_UNDO:
 328                 disable = buf->undostack().empty();
 329                 break;
 330         case LFUN_REDO:
 331                 disable = buf->redostack().empty();
 332                 break;
 333         case LFUN_CUT:
 334         case LFUN_COPY:
 335                 if (tab && tab->hasSelection())
 336                         disable = false;
 337                 else
 338                         disable = !mathcursor && !view()->getLyXText()->selection.set();
 339                 break;
 340
 341         case LFUN_RUNCHKTEX:
 342                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 343                 break;
 344
 345         case LFUN_BUILDPROG:
 346                 disable = !Exporter::IsExportable(*buf, "program");
 347                 break;
 348
 349         case LFUN_LAYOUT_TABULAR:
 350                 disable = !view()->cursor().innerInsetTabular();
 351                 break;
 352
 353         case LFUN_DEPTH_MIN:
 354                 disable = !changeDepthAllowed(view(), view()->getLyXText(), DEC_DEPTH);
 355                 break;
 356
 357         case LFUN_DEPTH_PLUS:
 358                 disable = !changeDepthAllowed(view(), view()->getLyXText(), INC_DEPTH);
 359                 break;
 360
 361         case LFUN_LAYOUT:
 362         case LFUN_LAYOUT_PARAGRAPH: {
 363                 InsetOld * inset = view()->getLyXText()->cursorPar()->inInset();
 364                 disable = inset && inset->forceDefaultParagraphs(inset);
 365                 break;
 366         }
 367
 368         case LFUN_INSET_OPTARG:
 369                 disable = (view()->getLyXText()->cursorPar()->layout()->optionalargs == 0);
 370                 break;
 371
 372         case LFUN_TABULAR_FEATURE:
 373 #if 0
 374                 if (mathcursor) {
 375                         // FIXME: check temporarily disabled
 376                         // valign code
 377                         char align = mathcursor->valign();
 378                         if (align == '\0') {
 379                                 disable = true;
 380                                 break;
 381                         }
 382                         if (ev.argument.empty()) {
 383                                 flag.clear();
 384                                 break;
 385                         }
 386                         if (!contains("tcb", ev.argument[0])) {
 387                                 disable = true;
 388                                 break;
 389                         }
 390                         flag.setOnOff(ev.argument[0] == align);
 391                 } else {
 392                         disable = true;
 393
 394                         char align = mathcursor->halign();
 395                         if (align == '\0') {
 396                                 disable = true;
 397                                 break;
 398                         }
 399                         if (ev.argument.empty()) {
 400                                 flag.clear();
 401                                 break;
 402                         }
 403                         if (!contains("lcr", ev.argument[0])) {
 404                                 disable = true;
 405                                 break;
 406                         }
 407                         flag.setOnOff(ev.argument[0] == align);
 408
 409                         disable = !mathcursor->halign();
 410                         break;
 411                 }
 412
 413                 if (tli) {
 414                         FuncStatus ret;
 415                         //ret.disabled(true);
 416                         InsetTabular * tab = view()->cursor().innerInsetTabular();
 417                         if (tab) {
 418                                 ret = tab->getStatus(ev.argument);
 419                                 flag |= ret;
 420                                 disable = false;
 421                         } else {
 422                                 disable = true;
 423                         }
 424                 } else {
 425                         static InsetTabular inset(*buf, 1, 1);
 426                         disable = true;
 427                         FuncStatus ret = inset.getStatus(ev.argument);
 428                         if (ret.onoff(true) || ret.onoff(false))
 429                                 flag.setOnOff(false);
 430                 }
 431 #endif
 432                 break;
 433
 434         case LFUN_VC_REGISTER:
 435                 disable = buf->lyxvc().inUse();
 436                 break;
 437         case LFUN_VC_CHECKIN:
 438                 disable = !buf->lyxvc().inUse() || buf->isReadonly();
 439                 break;
 440         case LFUN_VC_CHECKOUT:
 441                 disable = !buf->lyxvc().inUse() || !buf->isReadonly();
 442                 break;
 443         case LFUN_VC_REVERT:
 444         case LFUN_VC_UNDO:
 445                 disable = !buf->lyxvc().inUse();
 446                 break;
 447         case LFUN_MENURELOAD:
 448                 disable = buf->isUnnamed() || buf->isClean();
 449                 break;
 450         case LFUN_BOOKMARK_GOTO:
 451                 disable = !view()->
 452                         isSavedPosition(strToUnsignedInt(ev.argument));
 453                 break;
 454
 455         case LFUN_MERGE_CHANGES:
 456         case LFUN_ACCEPT_CHANGE:
 457         case LFUN_REJECT_CHANGE:
 458         case LFUN_ACCEPT_ALL_CHANGES:
 459         case LFUN_REJECT_ALL_CHANGES:
 460                 disable = !buf->params().tracking_changes;
 461                 break;
 462
 463         case LFUN_INSET_SETTINGS: {
 464                 disable = true;
 465                 UpdatableInset * inset = view()->cursor().innerInset();
 466
 467                 if (!inset)
 468                         break;
 469
 470                 // jump back to owner if an InsetText, so
 471                 // we get back to the InsetTabular or whatever
 472                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 473                         inset = inset->owner();
 474
 475                 InsetOld::Code code = inset->lyxCode();
 476                 switch (code) {
 477                         case InsetOld::TABULAR_CODE:
 478                                 disable = ev.argument != "tabular";
 479                                 break;
 480                         case InsetOld::ERT_CODE:
 481                                 disable = ev.argument != "ert";
 482                                 break;
 483                         case InsetOld::FLOAT_CODE:
 484                                 disable = ev.argument != "float";
 485                                 break;
 486                         case InsetOld::MINIPAGE_CODE:
 487                                 disable = ev.argument != "minipage";
 488                                 break;
 489                         case InsetOld::WRAP_CODE:
 490                                 disable = ev.argument != "wrap";
 491                                 break;
 492                         case InsetOld::NOTE_CODE:
 493                                 disable = ev.argument != "note";
 494                                 break;
 495                         case InsetOld::BRANCH_CODE:
 496                                 disable = ev.argument != "branch";
 497                                 break;
 498                         case InsetOld::BOX_CODE:
 499                                 disable = ev.argument != "box";
 500                                 break;
 501                         default:
 502                                 break;
 503                 }
 504                 break;
 505         }
 506
 507         case LFUN_MATH_MUTATE:
 508                 if (mathcursor)
 509                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 510                         flag.setOnOff(false);
 511                 else
 512                         disable = true;
 513                 break;
 514
 515         // we just need to be in math mode to enable that
 516         case LFUN_MATH_SIZE:
 517         case LFUN_MATH_SPACE:
 518         case LFUN_MATH_LIMITS:
 519         case LFUN_MATH_NONUMBER:
 520         case LFUN_MATH_NUMBER:
 521         case LFUN_MATH_EXTERN:
 522                 disable = !mathcursor;
 523                 break;
 524
 525         case LFUN_DIALOG_SHOW: {
 526                 string const name = ev.getArg(0);
 527                 if (!buf) {
 528                         disable = !(name == "aboutlyx" ||
 529                                     name == "file" ||
 530                                     name == "forks" ||
 531                                     name == "preferences" ||
 532                                     name == "texinfo");
 533                         break;
 534                 }
 535
 536                 if (name == "print") {
 537                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 538                                 lyxrc.print_command == "none";
 539                 } else if (name == "character") {
 540                         UpdatableInset * tli = view()->cursor().innerInset();
 541                         disable = tli && tli->lyxCode() == InsetOld::ERT_CODE;
 542                 } else if (name == "vclog") {
 543                         disable = !buf->lyxvc().inUse();
 544                 } else if (name == "latexlog") {
 545                         disable = !IsFileReadable(buf->getLogName().second);
 546                 }
 547                 break;
 548         }
 549
 550         default:
 551                 break;
 552         }
 553
 554         // the functions which insert insets
 555         InsetOld::Code code = InsetOld::NO_CODE;
 556         switch (ev.action) {
 557         case LFUN_DIALOG_SHOW_NEW_INSET:
 558                 if (ev.argument == "bibitem")
 559                         code = InsetOld::BIBITEM_CODE;
 560                 else if (ev.argument == "bibtex")
 561                         code = InsetOld::BIBTEX_CODE;
 562                 else if (ev.argument == "citation")
 563                         code = InsetOld::CITE_CODE;
 564                 else if (ev.argument == "ert")
 565                         code = InsetOld::ERT_CODE;
 566                 else if (ev.argument == "external")
 567                         code = InsetOld::EXTERNAL_CODE;
 568                 else if (ev.argument == "float")
 569                         code = InsetOld::FLOAT_CODE;
 570                 else if (ev.argument == "graphics")
 571                         code = InsetOld::GRAPHICS_CODE;
 572                 else if (ev.argument == "include")
 573                         code = InsetOld::INCLUDE_CODE;
 574                 else if (ev.argument == "index")
 575                         code = InsetOld::INDEX_CODE;
 576                 else if (ev.argument == "label")
 577                         code = InsetOld::LABEL_CODE;
 578                 else if (ev.argument == "minipage")
 579                         code = InsetOld::MINIPAGE_CODE;
 580                 else if (ev.argument == "ref")
 581                         code = InsetOld::REF_CODE;
 582                 else if (ev.argument == "toc")
 583                         code = InsetOld::TOC_CODE;
 584                 else if (ev.argument == "url")
 585                         code = InsetOld::URL_CODE;
 586                 else if (ev.argument == "vspace")
 587                         code = InsetOld::VSPACE_CODE;
 588                 else if (ev.argument == "wrap")
 589                         code = InsetOld::WRAP_CODE;
 590                 break;
 591
 592         case LFUN_INSET_ERT:
 593                 code = InsetOld::ERT_CODE;
 594                 break;
 595         case LFUN_INSET_FOOTNOTE:
 596                 code = InsetOld::FOOT_CODE;
 597                 break;
 598         case LFUN_TABULAR_INSERT:
 599                 code = InsetOld::TABULAR_CODE;
 600                 break;
 601         case LFUN_INSET_MARGINAL:
 602                 code = InsetOld::MARGIN_CODE;
 603                 break;
 604         case LFUN_INSET_MINIPAGE:
 605                 code = InsetOld::MINIPAGE_CODE;
 606                 break;
 607         case LFUN_INSET_FLOAT:
 608         case LFUN_INSET_WIDE_FLOAT:
 609                 code = InsetOld::FLOAT_CODE;
 610                 break;
 611         case LFUN_INSET_WRAP:
 612                 code = InsetOld::WRAP_CODE;
 613                 break;
 614         case LFUN_FLOAT_LIST:
 615                 code = InsetOld::FLOAT_LIST_CODE;
 616                 break;
 617 #if 0
 618         case LFUN_INSET_LIST:
 619                 code = InsetOld::LIST_CODE;
 620                 break;
 621         case LFUN_INSET_THEOREM:
 622                 code = InsetOld::THEOREM_CODE;
 623                 break;
 624 #endif
 625         case LFUN_INSET_CAPTION:
 626                 code = InsetOld::CAPTION_CODE;
 627                 break;
 628         case LFUN_INSERT_NOTE:
 629                 code = InsetOld::NOTE_CODE;
 630                 break;
 631         case LFUN_INSERT_CHARSTYLE:
 632                 code = InsetOld::CHARSTYLE_CODE;
 633                 if (buf->params().getLyXTextClass().charstyles().empty())
 634                         disable = true;
 635                 break;
 636         case LFUN_INSERT_BOX:
 637                 code = InsetOld::BOX_CODE;
 638                 break;
 639         case LFUN_INSERT_BRANCH:
 640                 code = InsetOld::BRANCH_CODE;
 641                 if (buf->params().branchlist().empty())
 642                         disable = true;
 643                 break;
 644         case LFUN_INSERT_LABEL:
 645                 code = InsetOld::LABEL_CODE;
 646                 break;
 647         case LFUN_INSET_OPTARG:
 648                 code = InsetOld::OPTARG_CODE;
 649                 break;
 650         case LFUN_ENVIRONMENT_INSERT:
 651                 code = InsetOld::MINIPAGE_CODE;
 652                 break;
 653         case LFUN_INDEX_INSERT:
 654                 code = InsetOld::INDEX_CODE;
 655                 break;
 656         case LFUN_INDEX_PRINT:
 657                 code = InsetOld::INDEX_PRINT_CODE;
 658                 break;
 659         case LFUN_TOC_INSERT:
 660                 code = InsetOld::TOC_CODE;
 661                 break;
 662         case LFUN_HTMLURL:
 663         case LFUN_URL:
 664                 code = InsetOld::URL_CODE;
 665                 break;
 666         case LFUN_QUOTE:
 667                 // always allow this, since we will inset a raw quote
 668                 // if an inset is not allowed.
 669                 break;
 670         case LFUN_HYPHENATION:
 671         case LFUN_LIGATURE_BREAK:
 672         case LFUN_HFILL:
 673         case LFUN_MENU_SEPARATOR:
 674         case LFUN_LDOTS:
 675         case LFUN_END_OF_SENTENCE:
 676                 code = InsetOld::SPECIALCHAR_CODE;
 677                 break;
 678         case LFUN_SPACE_INSERT:
 679                 // slight hack: we know this is allowed in math mode
 680                 if (!mathcursor)
 681                         code = InsetOld::SPACE_CODE;
 682                 break;
 683         case LFUN_INSET_DIALOG_SHOW: {
 684                 InsetOld * inset = view()->getLyXText()->getInset();
 685                 disable = !inset;
 686                 if (!disable) {
 687                         code = inset->lyxCode();
 688                         if (!(code == InsetOld::INCLUDE_CODE
 689                                 || code == InsetOld::BIBTEX_CODE
 690                                 || code == InsetOld::FLOAT_LIST_CODE
 691                                 || code == InsetOld::TOC_CODE))
 692                                 disable = true;
 693                 }
 694                 break;
 695         }
 696         default:
 697                 break;
 698         }
 699         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 700                 disable = true;
 701
 702         if (disable)
 703                 flag.disabled(true);
 704
 705         // A few general toggles
 706         switch (ev.action) {
 707         case LFUN_TOOLTIPS_TOGGLE:
 708                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 709                 break;
 710
 711         case LFUN_READ_ONLY_TOGGLE:
 712                 flag.setOnOff(buf->isReadonly());
 713                 break;
 714         case LFUN_APPENDIX:
 715                 flag.setOnOff(view()->getLyXText()->cursorPar()->params().startOfAppendix());
 716                 break;
 717         case LFUN_SWITCHBUFFER:
 718                 // toggle on the current buffer, but do not toggle off
 719                 // the other ones (is that a good idea?)
 720                 if (ev.argument == buf->fileName())
 721                         flag.setOnOff(true);
 722                 break;
 723         case LFUN_TRACK_CHANGES:
 724                 flag.setOnOff(buf->params().tracking_changes);
 725                 break;
 726         default:
 727                 break;
 728         }
 729
 730 #ifdef LOCK
 731         // the font related toggles
 732         if (!mathcursor) {
 733                 LyXFont const & font = view()->getLyXText()->real_current_font;
 734                 switch (ev.action) {
 735                 case LFUN_EMPH:
 736                         flag.setOnOff(font.emph() == LyXFont::ON);
 737                         break;
 738                 case LFUN_NOUN:
 739                         flag.setOnOff(font.noun() == LyXFont::ON);
 740                         break;
 741                 case LFUN_BOLD:
 742                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 743                         break;
 744                 case LFUN_SANS:
 745                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 746                         break;
 747                 case LFUN_ROMAN:
 748                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 749                         break;
 750                 case LFUN_CODE:
 751                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 752                         break;
 753                 default:
 754                         break;
 755                 }
 756         } else {
 757                 string tc = mathcursor->getLastCode();
 758                 switch (ev.action) {
 759                 case LFUN_BOLD:
 760                         flag.setOnOff(tc == "mathbf");
 761                         break;
 762                 case LFUN_SANS:
 763                         flag.setOnOff(tc == "mathsf");
 764                         break;
 765                 case LFUN_EMPH:
 766                         flag.setOnOff(tc == "mathcal");
 767                         break;
 768                 case LFUN_ROMAN:
 769                         flag.setOnOff(tc == "mathrm");
 770                         break;
 771                 case LFUN_CODE:
 772                         flag.setOnOff(tc == "mathtt");
 773                         break;
 774                 case LFUN_NOUN:
 775                         flag.setOnOff(tc == "mathbb");
 776                         break;
 777                 case LFUN_DEFAULT:
 778                         flag.setOnOff(tc == "mathnormal");
 779                         break;
 780                 default:
 781                         break;
 782                 }
 783         }
 784 #endif
 785
 786         // this one is difficult to get right. As a half-baked
 787         // solution, we consider only the first action of the sequence
 788         if (ev.action == LFUN_SEQUENCE) {
 789                 // argument contains ';'-terminated commands
 790 #warning LyXAction arguments not handled here.
 791                 flag = getStatus(FuncRequest(lyxaction.lookupFunc(token(ev.argument, ';', 0))));
 792         }
 793
 794         return flag;
 795 }
 796
 797
 798 namespace {
 799
 800 bool ensureBufferClean(BufferView * bv)
 801 {
 802         Buffer & buf = *bv->buffer();
 803         if (buf.isClean())
 804                 return true;
 805
 806         string const file = MakeDisplayPath(buf.fileName(), 30);
 807         string text = bformat(_("The document %1$s has unsaved "
 808                                 "changes.\n\nDo you want to save "
 809                                 "the document?"), file);
 810         int const ret = Alert::prompt(_("Save changed document?"),
 811                                       text, 0, 1, _("&Save"),
 812                                       _("&Cancel"));
 813
 814         if (ret == 0)
 815                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 816
 817         return buf.isClean();
 818 }
 819
 820 } //namespace anon
 821
 822
 823 void LyXFunc::dispatch(FuncRequest const & func, bool verbose)
 824 {
 825         string argument = func.argument;
 826         kb_action action = func.action;
 827
 828         //lyxerr[Debug::ACTION] << "LyXFunc::dispatch: cmd: " << func << endl;
 829         lyxerr << "LyXFunc::dispatch: cmd: " << func << endl;
 830
 831         // we have not done anything wrong yet.
 832         errorstat = false;
 833         dispatch_buffer.erase();
 834
 835 #ifdef NEW_DISPATCHER
 836         // We try do call the most specific dispatcher first:
 837         //  1. the lockinginset's dispatch
 838         //  2. the bufferview's dispatch
 839         //  3. the lyxview's dispatch
 840 #endif
 841
 842         selection_possible = false;
 843
 844         // We cannot use this function here
 845         if (getStatus(func).disabled()) {
 846                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 847                        << lyxaction.getActionName(action)
 848                        << " [" << action << "] is disabled at this location"
 849                        << endl;
 850                 setErrorMessage(getStatusMessage());
 851
 852         } else {
 853
 854                 if (view()->available())
 855                         view()->hideCursor();
 856
 857                 switch (action) {
 858
 859                 case LFUN_ESCAPE: {
 860                         if (!view()->available())
 861                                 break;
 862                         view()->cursor().pop();
 863                         // Tell the paragraph dialog that we changed paragraph
 864                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 865                         break;
 866                 }
 867
 868                 case LFUN_WORDFINDFORWARD:
 869                 case LFUN_WORDFINDBACKWARD: {
 870                         static string last_search;
 871                         string searched_string;
 872
 873                         if (!argument.empty()) {
 874                                 last_search = argument;
 875                                 searched_string = argument;
 876                         } else {
 877                                 searched_string = last_search;
 878                         }
 879                         bool fw = (action == LFUN_WORDFINDFORWARD);
 880                         if (!searched_string.empty())
 881                                 lyx::find::find(view(), searched_string,
 882                                                 true, false, fw);
 883                         break;
 884                 }
 885
 886                 case LFUN_PREFIX:
 887                         owner->message(keyseq.printOptions());
 888                         break;
 889
 890                 case LFUN_EXEC_COMMAND:
 891                         owner->focus_command_buffer();
 892                         break;
 893
 894                 case LFUN_CANCEL:
 895                         keyseq.reset();
 896                         meta_fake_bit = key_modifier::none;
 897                         if (view()->available())
 898                                 // cancel any selection
 899                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 900                         setMessage(N_("Cancel"));
 901                         break;
 902
 903                 case LFUN_META_FAKE:
 904                         meta_fake_bit = key_modifier::alt;
 905                         setMessage(keyseq.print());
 906                         break;
 907
 908                 case LFUN_READ_ONLY_TOGGLE:
 909                         if (owner->buffer()->lyxvc().inUse())
 910                                 owner->buffer()->lyxvc().toggleReadOnly();
 911                         else
 912                                 owner->buffer()->setReadonly(
 913                                         !owner->buffer()->isReadonly());
 914                         break;
 915
 916                 case LFUN_CENTER: // this is center and redraw.
 917                         view()->center();
 918                         break;
 919
 920                 // --- Menus -----------------------------------------------
 921                 case LFUN_MENUNEW:
 922                         menuNew(argument, false);
 923                         break;
 924
 925                 case LFUN_MENUNEWTMPLT:
 926                         menuNew(argument, true);
 927                         break;
 928
 929                 case LFUN_CLOSEBUFFER:
 930                         closeBuffer();
 931                         break;
 932
 933                 case LFUN_MENUWRITE:
 934                         if (!owner->buffer()->isUnnamed()) {
 935                                 string const str = bformat(_("Saving document %1$s..."),
 936                                          MakeDisplayPath(owner->buffer()->fileName()));
 937                                 owner->message(str);
 938                                 MenuWrite(owner->buffer());
 939                                 owner->message(str + _(" done."));
 940                         } else
 941                                 WriteAs(owner->buffer());
 942                         break;
 943
 944                 case LFUN_WRITEAS:
 945                         WriteAs(owner->buffer(), argument);
 946                         break;
 947
 948                 case LFUN_MENURELOAD: {
 949                         string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
 950                         string text = bformat(_("Any changes will be lost. Are you sure "
 951                                 "you want to revert to the saved version of the document %1$s?"), file);
 952                         int const ret = Alert::prompt(_("Revert to saved document?"),
 953                                 text, 0, 1, _("&Revert"), _("&Cancel"));
 954
 955                         if (ret == 0)
 956                                 view()->reload();
 957                         break;
 958                 }
 959
 960                 case LFUN_UPDATE:
 961                         Exporter::Export(owner->buffer(), argument, true);
 962                         view()->showErrorList(BufferFormat(*owner->buffer()));
 963                         break;
 964
 965                 case LFUN_PREVIEW:
 966                         Exporter::Preview(owner->buffer(), argument);
 967                         view()->showErrorList(BufferFormat(*owner->buffer()));
 968                         break;
 969
 970                 case LFUN_BUILDPROG:
 971                         Exporter::Export(owner->buffer(), "program", true);
 972                         view()->showErrorList(_("Build"));
 973                         break;
 974
 975                 case LFUN_RUNCHKTEX:
 976                         owner->buffer()->runChktex();
 977                         view()->showErrorList(_("ChkTeX"));
 978                         break;
 979
 980                 case LFUN_EXPORT:
 981                         if (argument == "custom")
 982                                 owner->getDialogs().showSendto();
 983                         else {
 984                                 Exporter::Export(owner->buffer(), argument, false);
 985                                 view()->showErrorList(BufferFormat(*owner->buffer()));
 986                         }
 987                         break;
 988
 989                 case LFUN_IMPORT:
 990                         doImport(argument);
 991                         break;
 992
 993                 case LFUN_QUIT:
 994                         QuitLyX();
 995                         break;
 996
 997                 case LFUN_TOCVIEW: {
 998                         InsetCommandParams p("tableofcontents");
 999                         string const data = InsetCommandMailer::params2string("toc", p);
1000                         owner->getDialogs().show("toc", data, 0);
1001                         break;
1002                 }
1003
1004                 case LFUN_AUTOSAVE:
1005                         AutoSave(view());
1006                         break;
1007
1008                 case LFUN_UNDO:
1009                         view()->undo();
1010                         break;
1011
1012                 case LFUN_REDO:
1013                         view()->redo();
1014                         break;
1015
1016                 case LFUN_RECONFIGURE:
1017                         Reconfigure(view());
1018                         break;
1019
1020                 case LFUN_HELP_OPEN: {
1021                         string const arg = argument;
1022                         if (arg.empty()) {
1023                                 setErrorMessage(N_("Missing argument"));
1024                                 break;
1025                         }
1026                         string const fname = i18nLibFileSearch("doc", arg, "lyx");
1027                         if (fname.empty()) {
1028                                 lyxerr << "LyX: unable to find documentation file `"
1029                                                          << arg << "'. Bad installation?" << endl;
1030                                 break;
1031                         }
1032                         owner->message(bformat(_("Opening help file %1$s..."),
1033                                 MakeDisplayPath(fname)));
1034                         view()->loadLyXFile(fname, false);
1035                         break;
1036                 }
1037
1038                 // --- version control -------------------------------
1039                 case LFUN_VC_REGISTER:
1040                         if (!ensureBufferClean(view()))
1041                                 break;
1042                         if (!owner->buffer()->lyxvc().inUse()) {
1043                                 owner->buffer()->lyxvc().registrer();
1044                                 view()->reload();
1045                         }
1046                         break;
1047
1048                 case LFUN_VC_CHECKIN:
1049                         if (!ensureBufferClean(view()))
1050                                 break;
1051                         if (owner->buffer()->lyxvc().inUse()
1052                                         && !owner->buffer()->isReadonly()) {
1053                                 owner->buffer()->lyxvc().checkIn();
1054                                 view()->reload();
1055                         }
1056                         break;
1057
1058                 case LFUN_VC_CHECKOUT:
1059                         if (!ensureBufferClean(view()))
1060                                 break;
1061                         if (owner->buffer()->lyxvc().inUse()
1062                                         && owner->buffer()->isReadonly()) {
1063                                 owner->buffer()->lyxvc().checkOut();
1064                                 view()->reload();
1065                         }
1066                         break;
1067
1068                 case LFUN_VC_REVERT:
1069                         owner->buffer()->lyxvc().revert();
1070                         view()->reload();
1071                         break;
1072
1073                 case LFUN_VC_UNDO:
1074                         owner->buffer()->lyxvc().undoLast();
1075                         view()->reload();
1076                         break;
1077
1078                 // --- buffers ----------------------------------------
1079                 case LFUN_SWITCHBUFFER:
1080                         view()->buffer(bufferlist.getBuffer(argument));
1081                         break;
1082
1083                 case LFUN_FILE_NEW:
1084                         NewFile(view(), argument);
1085                         break;
1086
1087                 case LFUN_FILE_OPEN:
1088                         open(argument);
1089                         break;
1090
1091                 case LFUN_LAYOUT_TABULAR:
1092                         if (InsetTabular * tab = view()->cursor().innerInsetTabular())
1093                                 tab->openLayoutDialog(view());
1094                         break;
1095
1096                 case LFUN_DROP_LAYOUTS_CHOICE:
1097                         owner->getToolbar().openLayoutList();
1098                         break;
1099
1100                 case LFUN_MENU_OPEN_BY_NAME:
1101                         owner->getMenubar().openByName(argument);
1102                         break;
1103
1104                 // --- lyxserver commands ----------------------------
1105                 case LFUN_GETNAME:
1106                         setMessage(owner->buffer()->fileName());
1107                         lyxerr[Debug::INFO] << "FNAME["
1108                                                          << owner->buffer()->fileName()
1109                                                          << "] " << endl;
1110                         break;
1111
1112                 case LFUN_NOTIFY:
1113                         dispatch_buffer = keyseq.print();
1114                         lyxserver->notifyClient(dispatch_buffer);
1115                         break;
1116
1117                 case LFUN_GOTOFILEROW: {
1118                         string file_name;
1119                         int row;
1120                         istringstream is(argument);
1121                         is >> file_name >> row;
1122                         if (prefixIs(file_name, getTmpDir())) {
1123                                 // Needed by inverse dvi search. If it is a file
1124                                 // in tmpdir, call the apropriated function
1125                                 view()->buffer(bufferlist.getBufferFromTmp(file_name));
1126                         } else {
1127                                 // Must replace extension of the file to be .lyx
1128                                 // and get full path
1129                                 string const s = ChangeExtension(file_name, ".lyx");
1130                                 // Either change buffer or load the file
1131                                 if (bufferlist.exists(s)) {
1132                                         view()->buffer(bufferlist.getBuffer(s));
1133                                 } else {
1134                                         view()->loadLyXFile(s);
1135                                 }
1136                         }
1137
1138                         view()->setCursorFromRow(row);
1139
1140                         view()->center();
1141                         // see BufferView_pimpl::center()
1142                         view()->updateScrollbar();
1143                         break;
1144                 }
1145
1146                 case LFUN_GOTO_PARAGRAPH: {
1147                         istringstream is(argument);
1148                         int id;
1149                         is >> id;
1150                         ParIterator par = owner->buffer()->getParFromID(id);
1151                         if (par == owner->buffer()->par_iterator_end()) {
1152                                 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1153                                                                 << id << ']' << endl;
1154                                 break;
1155                         } else {
1156                                 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1157                                                                 << " found." << endl;
1158                         }
1159
1160                         par.lockPath(view());
1161                         LyXText * lt = par.text(*view()->buffer());
1162
1163                         // Set the cursor
1164                         lt->setCursor(par.pit(), 0);
1165                         view()->switchKeyMap();
1166                         owner->view_state_changed();
1167
1168                         view()->center();
1169                         // see BufferView_pimpl::center()
1170                         view()->updateScrollbar();
1171                         break;
1172                 }
1173
1174                 // ---  Mathed stuff. If we are here, there is no locked inset yet.
1175                 case LFUN_MATH_EXTERN:
1176                 case LFUN_MATH_NUMBER:
1177                 case LFUN_MATH_NONUMBER:
1178                 case LFUN_MATH_LIMITS:
1179                         setErrorMessage(N_("This is only allowed in math mode!"));
1180                         break;
1181
1182                 // passthrough hat and underscore outside mathed:
1183                 case LFUN_SUBSCRIPT:
1184                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1185                         break;
1186
1187                 case LFUN_SUPERSCRIPT:
1188                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1189                         break;
1190
1191                 case LFUN_DIALOG_SHOW: {
1192                         string const name = func.getArg(0);
1193                         string data = trim(func.argument.substr(name.size()));
1194
1195                         if (name == "character") {
1196                                 data = freefont2string();
1197                                 if (!data.empty())
1198                                         owner->getDialogs().show("character", data);
1199                         }
1200                         else if (name == "document")
1201                                 owner->getDialogs().showDocument();
1202                         else if (name == "findreplace")
1203                                 owner->getDialogs().showSearch();
1204                         else if (name == "forks")
1205                                 owner->getDialogs().showForks();
1206                         else if (name == "preamble")
1207                                 owner->getDialogs().showPreamble();
1208                         else if (name == "preferences")
1209                                 owner->getDialogs().showPreferences();
1210                         else if (name == "print")
1211                                 owner->getDialogs().showPrint();
1212                         else if (name == "spellchecker")
1213                                 owner->getDialogs().showSpellchecker();
1214
1215                         else if (name == "latexlog") {
1216                                 pair<Buffer::LogType, string> const logfile =
1217                                         owner->buffer()->getLogName();
1218                                 switch (logfile.first) {
1219                                 case Buffer::latexlog:
1220                                         data = "latex ";
1221                                         break;
1222                                 case Buffer::buildlog:
1223                                         data = "literate ";
1224                                         break;
1225                                 }
1226                                 data += logfile.second;
1227                                 owner->getDialogs().show("log", data);
1228                         }
1229                         else if (name == "vclog") {
1230                                 string const data = "vc " +
1231                                         owner->buffer()->lyxvc().getLogFile();
1232                                 owner->getDialogs().show("log", data);
1233                         }
1234                         else
1235                                 owner->getDialogs().show(name, data);
1236                         break;
1237                 }
1238
1239                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1240                         string const & name = argument;
1241                         string data;
1242                         if (name == "bibitem" ||
1243                                         name == "bibtex" ||
1244                                         name == "include" ||
1245                                         name == "index" ||
1246                                         name == "ref" ||
1247                                         name == "toc" ||
1248                                         name == "url") {
1249                                 InsetCommandParams p(name);
1250                                 data = InsetCommandMailer::params2string(name, p);
1251                         } else if (name == "citation") {
1252                                 InsetCommandParams p("cite");
1253                                 data = InsetCommandMailer::params2string(name, p);
1254                         } else if (name == "vspace") {
1255                                 VSpace space;
1256                                 data = InsetVSpaceMailer::params2string(space);
1257                         }
1258                         owner->getDialogs().show(name, data, 0);
1259                         break;
1260                 }
1261
1262                 case LFUN_DIALOG_SHOW_NEXT_INSET:
1263                         break;
1264
1265                 case LFUN_INSET_DIALOG_SHOW: {
1266                         InsetOld * inset = view()->getLyXText()->getInset();
1267                         if (inset)
1268                                 inset->dispatch(FuncRequest(view(), LFUN_INSET_DIALOG_SHOW));
1269                         break;
1270                 }
1271
1272                 case LFUN_DIALOG_UPDATE: {
1273                         string const & name = argument;
1274                         // Can only update a dialog connected to an existing inset
1275                         InsetBase * inset = owner->getDialogs().getOpenInset(name);
1276                         if (inset) {
1277                                 FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1278                                                                  func.argument);
1279                                 inset->dispatch(fr);
1280                         } else if (name == "paragraph") {
1281                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1282                         }
1283                         break;
1284                 }
1285
1286                 case LFUN_DIALOG_HIDE:
1287                         Dialogs::hide(argument, 0);
1288                         break;
1289
1290                 case LFUN_DIALOG_DISCONNECT_INSET:
1291                         owner->getDialogs().disconnect(argument);
1292                         break;
1293
1294                 case LFUN_CHILDOPEN: {
1295                         string const filename =
1296                                 MakeAbsPath(argument, owner->buffer()->filePath());
1297                         setMessage(N_("Opening child document ") +
1298                                          MakeDisplayPath(filename) + "...");
1299                         view()->savePosition(0);
1300                         string const parentfilename = owner->buffer()->fileName();
1301                         if (bufferlist.exists(filename))
1302                                 view()->buffer(bufferlist.getBuffer(filename));
1303                         else
1304                                 view()->loadLyXFile(filename);
1305                         // Set the parent name of the child document.
1306                         // This makes insertion of citations and references in the child work,
1307                         // when the target is in the parent or another child document.
1308                         owner->buffer()->setParentName(parentfilename);
1309                         break;
1310                 }
1311
1312                 case LFUN_TOGGLECURSORFOLLOW:
1313                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1314                         break;
1315
1316                 case LFUN_KMAP_OFF:
1317                         owner->getIntl().KeyMapOn(false);
1318                         break;
1319
1320                 case LFUN_KMAP_PRIM:
1321                         owner->getIntl().KeyMapPrim();
1322                         break;
1323
1324                 case LFUN_KMAP_SEC:
1325                         owner->getIntl().KeyMapSec();
1326                         break;
1327
1328                 case LFUN_KMAP_TOGGLE:
1329                         owner->getIntl().ToggleKeyMap();
1330                         break;
1331
1332                 case LFUN_REPEAT: {
1333                         // repeat command
1334                         string countstr;
1335                         argument = split(argument, countstr, ' ');
1336                         istringstream is(countstr);
1337                         int count = 0;
1338                         is >> count;
1339                         lyxerr << "repeat: count: " << count << " cmd: " << argument << endl;
1340                         for (int i = 0; i < count; ++i)
1341                                 dispatch(lyxaction.lookupFunc(argument));
1342                         break;
1343                 }
1344
1345                 case LFUN_SEQUENCE:
1346                         // argument contains ';'-terminated commands
1347                         while (!argument.empty()) {
1348                                 string first;
1349                                 argument = split(argument, first, ';');
1350                                 dispatch(lyxaction.lookupFunc(first));
1351                         }
1352                         break;
1353
1354                 case LFUN_SAVEPREFERENCES: {
1355                         Path p(user_lyxdir());
1356                         lyxrc.write("preferences");
1357                         break;
1358                 }
1359
1360                 case LFUN_SCREEN_FONT_UPDATE:
1361                         // handle the screen font changes.
1362                         lyxrc.set_font_norm_type();
1363                         lyx_gui::update_fonts();
1364                         // All visible buffers will need resize
1365                         view()->resize();
1366                         break;
1367
1368                 case LFUN_SET_COLOR: {
1369                         string lyx_name;
1370                         string const x11_name = split(argument, lyx_name, ' ');
1371                         if (lyx_name.empty() || x11_name.empty()) {
1372                                 setErrorMessage(N_("Syntax: set-color <lyx_name>"
1373                                                         " <x11_name>"));
1374                                 break;
1375                         }
1376
1377                         bool const graphicsbg_changed =
1378                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1379                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1380
1381                         if (!lcolor.setColor(lyx_name, x11_name)) {
1382                                 setErrorMessage(
1383                                         bformat(_("Set-color \"%1$s\" failed "
1384                                                                 "- color is undefined or "
1385                                                                 "may not be redefined"), lyx_name));
1386                                 break;
1387                         }
1388
1389                         lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1390
1391                         if (graphicsbg_changed) {
1392 #ifdef WITH_WARNINGS
1393 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1394 #endif
1395 #if 0
1396                                 lyx::graphics::GCache::get().changeDisplay(true);
1397 #endif
1398                         }
1399                         break;
1400                 }
1401
1402                 case LFUN_MESSAGE:
1403                         owner->message(argument);
1404                         break;
1405
1406                 case LFUN_FORKS_KILL:
1407                         if (isStrInt(argument))
1408                                 ForkedcallsController::get().kill(strToInt(argument));
1409                         break;
1410
1411                 case LFUN_TOOLTIPS_TOGGLE:
1412                         owner->getDialogs().toggleTooltips();
1413                         break;
1414
1415                 case LFUN_EXTERNAL_EDIT:
1416                         InsetExternal().dispatch(FuncRequest(view(), action, argument));
1417                         break;
1418
1419                 default: {
1420                                 DispatchResult result =
1421                                         view()->cursor().dispatch(FuncRequest(func, view()));
1422                                 if (result.dispatched())
1423                                         lyxerr << "dispatched by Cursor::dispatch()" << endl;
1424                                 else
1425                                         lyxerr << "### NOT DISPATCHED BY Cursor::dispatch() ###" << endl;
1426                                 break;
1427                         }
1428                 }
1429         }
1430
1431         view()->owner()->updateLayoutChoice();
1432
1433         if (view()->available()) {
1434                 view()->fitCursor();
1435                 view()->update();
1436                 view()->cursor().updatePos();
1437                 // if we executed a mutating lfun, mark the buffer as dirty
1438                 if (!getStatus(func).disabled()
1439                     && !lyxaction.funcHasFlag(func.action, LyXAction::NoBuffer)
1440                     && !lyxaction.funcHasFlag(func.action, LyXAction::ReadOnly))
1441                         view()->buffer()->markDirty();
1442         }
1443
1444         sendDispatchMessage(getMessage(), func, verbose);
1445 }
1446
1447
1448 void LyXFunc::sendDispatchMessage(string const & msg,
1449                                   FuncRequest const & func, bool verbose)
1450 {
1451         owner->updateMenubar();
1452         owner->updateToolbar();
1453
1454         if (func.action == LFUN_SELFINSERT || !verbose) {
1455                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1456                 if (!msg.empty())
1457                         owner->message(msg);
1458                 return;
1459         }
1460
1461         string dispatch_msg = msg;
1462         if (!dispatch_msg.empty())
1463                 dispatch_msg += ' ';
1464
1465         string comname = lyxaction.getActionName(func.action);
1466
1467         bool argsadded = false;
1468
1469         if (!func.argument.empty()) {
1470                 if (func.action != LFUN_UNKNOWN_ACTION) {
1471                         comname += ' ' + func.argument;
1472                         argsadded = true;
1473                 }
1474         }
1475
1476         string const shortcuts = toplevel_keymap->findbinding(func);
1477
1478         if (!shortcuts.empty()) {
1479                 comname += ": " + shortcuts;
1480         } else if (!argsadded && !func.argument.empty()) {
1481                 comname += ' ' + func.argument;
1482         }
1483
1484         if (!comname.empty()) {
1485                 comname = rtrim(comname);
1486                 dispatch_msg += '(' + comname + ')';
1487         }
1488
1489         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1490         if (!dispatch_msg.empty())
1491                 owner->message(dispatch_msg);
1492 }
1493
1494
1495 void LyXFunc::setupLocalKeymap()
1496 {
1497         keyseq.stdmap = toplevel_keymap.get();
1498         keyseq.curmap = toplevel_keymap.get();
1499         cancel_meta_seq.stdmap = toplevel_keymap.get();
1500         cancel_meta_seq.curmap = toplevel_keymap.get();
1501 }
1502
1503
1504 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1505 {
1506         string initpath = lyxrc.document_path;
1507         string filename(name);
1508
1509         if (view()->available()) {
1510                 string const trypath = owner->buffer()->filePath();
1511                 // If directory is writeable, use this as default.
1512                 if (IsDirWriteable(trypath))
1513                         initpath = trypath;
1514         }
1515
1516         static int newfile_number;
1517
1518         if (filename.empty()) {
1519                 filename = AddName(lyxrc.document_path,
1520                             "newfile" + tostr(++newfile_number) + ".lyx");
1521                 FileInfo fi(filename);
1522                 while (bufferlist.exists(filename) || fi.readable()) {
1523                         ++newfile_number;
1524                         filename = AddName(lyxrc.document_path,
1525                                     "newfile" + tostr(newfile_number) +
1526                                     ".lyx");
1527                         fi.newFile(filename);
1528                 }
1529         }
1530
1531         // The template stuff
1532         string templname;
1533         if (fromTemplate) {
1534                 FileDialog fileDlg(_("Select template file"),
1535                         LFUN_SELECT_FILE_SYNC,
1536                         make_pair(string(_("Documents|#o#O")),
1537                                   string(lyxrc.document_path)),
1538                         make_pair(string(_("Templates|#T#t")),
1539                                   string(lyxrc.template_path)));
1540
1541                 FileDialog::Result result =
1542                         fileDlg.open(lyxrc.template_path,
1543                                        _("*.lyx| LyX Documents (*.lyx)"));
1544
1545                 if (result.first == FileDialog::Later)
1546                         return;
1547                 if (result.second.empty())
1548                         return;
1549                 templname = result.second;
1550         }
1551
1552         view()->newFile(filename, templname, !name.empty());
1553 }
1554
1555
1556 void LyXFunc::open(string const & fname)
1557 {
1558         string initpath = lyxrc.document_path;
1559
1560         if (view()->available()) {
1561                 string const trypath = owner->buffer()->filePath();
1562                 // If directory is writeable, use this as default.
1563                 if (IsDirWriteable(trypath))
1564                         initpath = trypath;
1565         }
1566
1567         string filename;
1568
1569         if (fname.empty()) {
1570                 FileDialog fileDlg(_("Select document to open"),
1571                         LFUN_FILE_OPEN,
1572                         make_pair(string(_("Documents|#o#O")),
1573                                   string(lyxrc.document_path)),
1574                         make_pair(string(_("Examples|#E#e")),
1575                                   string(AddPath(system_lyxdir(), "examples"))));
1576
1577                 FileDialog::Result result =
1578                         fileDlg.open(initpath,
1579                                        _("*.lyx| LyX Documents (*.lyx)"));
1580
1581                 if (result.first == FileDialog::Later)
1582                         return;
1583
1584                 filename = result.second;
1585
1586                 // check selected filename
1587                 if (filename.empty()) {
1588                         owner->message(_("Canceled."));
1589                         return;
1590                 }
1591         } else
1592                 filename = fname;
1593
1594         // get absolute path of file and add ".lyx" to the filename if
1595         // necessary
1596         string const fullpath = FileSearch(string(), filename, "lyx");
1597         if (!fullpath.empty()) {
1598                 filename = fullpath;
1599         }
1600
1601         string const disp_fn(MakeDisplayPath(filename));
1602
1603         // if the file doesn't exist, let the user create one
1604         FileInfo const f(filename, true);
1605         if (!f.exist()) {
1606                 // the user specifically chose this name. Believe them.
1607                 view()->newFile(filename, "", true);
1608                 return;
1609         }
1610
1611         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1612
1613         string str2;
1614         if (view()->loadLyXFile(filename)) {
1615                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1616         } else {
1617                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1618         }
1619         owner->message(str2);
1620 }
1621
1622
1623 void LyXFunc::doImport(string const & argument)
1624 {
1625         string format;
1626         string filename = split(argument, format, ' ');
1627
1628         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1629                             << " file: " << filename << endl;
1630
1631         // need user interaction
1632         if (filename.empty()) {
1633                 string initpath = lyxrc.document_path;
1634
1635                 if (view()->available()) {
1636                         string const trypath = owner->buffer()->filePath();
1637                         // If directory is writeable, use this as default.
1638                         if (IsDirWriteable(trypath))
1639                                 initpath = trypath;
1640                 }
1641
1642                 string const text = bformat(_("Select %1$s file to import"),
1643                         formats.prettyName(format));
1644
1645                 FileDialog fileDlg(text,
1646                         LFUN_IMPORT,
1647                         make_pair(string(_("Documents|#o#O")),
1648                                   string(lyxrc.document_path)),
1649                         make_pair(string(_("Examples|#E#e")),
1650                                   string(AddPath(system_lyxdir(), "examples"))));
1651
1652                 string const extension = "*." + formats.extension(format)
1653                         + "| " + formats.prettyName(format)
1654                         + " (*." + formats.extension(format) + ')';
1655
1656                 FileDialog::Result result = fileDlg.open(initpath,
1657                                                            extension);
1658
1659                 if (result.first == FileDialog::Later)
1660                         return;
1661
1662                 filename = result.second;
1663
1664                 // check selected filename
1665                 if (filename.empty())
1666                         owner->message(_("Canceled."));
1667         }
1668
1669         if (filename.empty())
1670                 return;
1671
1672         // get absolute path of file
1673         filename = MakeAbsPath(filename);
1674
1675         string const lyxfile = ChangeExtension(filename, ".lyx");
1676
1677         // Check if the document already is open
1678         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1679                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1680                         owner->message(_("Canceled."));
1681                         return;
1682                 }
1683         }
1684
1685         // if the file exists already, and we didn't do
1686         // -i lyx thefile.lyx, warn
1687         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1688                 string const file = MakeDisplayPath(lyxfile, 30);
1689
1690                 string text = bformat(_("The document %1$s already exists.\n\n"
1691                         "Do you want to over-write that document?"), file);
1692                 int const ret = Alert::prompt(_("Over-write document?"),
1693                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1694
1695                 if (ret == 1) {
1696                         owner->message(_("Canceled."));
1697                         return;
1698                 }
1699         }
1700
1701         Importer::Import(owner, filename, format);
1702 }
1703
1704
1705 void LyXFunc::closeBuffer()
1706 {
1707         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1708                 if (bufferlist.empty()) {
1709                         // need this otherwise SEGV may occur while
1710                         // trying to set variables that don't exist
1711                         // since there's no current buffer
1712                         owner->getDialogs().hideBufferDependent();
1713                 } else {
1714                         view()->buffer(bufferlist.first());
1715                 }
1716         }
1717 }
1718
1719
1720 // Each "owner" should have it's own message method. lyxview and
1721 // the minibuffer would use the minibuffer, but lyxserver would
1722 // send an ERROR signal to its client.  Alejandro 970603
1723 // This func is bit problematic when it comes to NLS, to make the
1724 // lyx servers client be language indepenent we must not translate
1725 // strings sent to this func.
1726 void LyXFunc::setErrorMessage(string const & m) const
1727 {
1728         dispatch_buffer = m;
1729         errorstat = true;
1730 }
1731
1732
1733 void LyXFunc::setMessage(string const & m) const
1734 {
1735         dispatch_buffer = m;
1736 }
1737
1738
1739 void LyXFunc::setStatusMessage(string const & m) const
1740 {
1741         status_buffer = m;
1742 }
1743
1744
1745 string const LyXFunc::view_status_message()
1746 {
1747         // When meta-fake key is pressed, show the key sequence so far + "M-".
1748         if (wasMetaKey()) {
1749                 return keyseq.print() + "M-";
1750         }
1751
1752         // Else, when a non-complete key sequence is pressed,
1753         // show the available options.
1754         if (keyseq.length() > 0 && !keyseq.deleted()) {
1755                 return keyseq.printOptions();
1756         }
1757
1758         if (!view()->available())
1759                 return _("Welcome to LyX!");
1760
1761         return currentState(view());
1762 }
1763
1764
1765 BufferView * LyXFunc::view() const
1766 {
1767         BOOST_ASSERT(owner);
1768         return owner->view().get();
1769 }
1770
1771
1772 bool LyXFunc::wasMetaKey() const
1773 {
1774         return (meta_fake_bit != key_modifier::none);
1775 }