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 "encoding.h"
  33 #include "exporter.h"
  34 #include "format.h"
  35 #include "funcrequest.h"
  36 #include "gettext.h"
  37 #include "importer.h"
  38 #include "intl.h"
  39 #include "iterators.h"
  40 #include "kbmap.h"
  41 #include "LColor.h"
  42 #include "lyx_cb.h"
  43 #include "LyXAction.h"
  44 #include "lyxfind.h"
  45 #include "lyxrc.h"
  46 #include "lyxrow.h"
  47 #include "lyxserver.h"
  48 #include "lyxvc.h"
  49 #include "paragraph.h"
  50 #include "ParagraphParameters.h"
  51 #include "TextCache.h"
  52 #include "undo_funcs.h"
  53
  54 #include "insets/insetcommand.h"
  55 #include "insets/insetexternal.h"
  56 #include "insets/insettabular.h"
  57
  58 #include "mathed/math_cursor.h"
  59
  60 #include "frontends/Alert.h"
  61 #include "frontends/Dialogs.h"
  62 #include "frontends/FileDialog.h"
  63 #include "frontends/lyx_gui.h"
  64 #include "frontends/LyXKeySym.h"
  65 #include "frontends/LyXView.h"
  66 #include "frontends/Menubar.h"
  67 #include "frontends/Toolbar.h"
  68
  69 #include "support/FileInfo.h"
  70 #include "support/filetools.h"
  71 #include "support/forkedcontr.h"
  72 #include "support/path.h"
  73 #include "support/path_defines.h"
  74 #include "support/tostr.h"
  75
  76 #include "support/std_sstream.h"
  77
  78 using bv_funcs::apply_freefont;
  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 using bv_funcs::update_and_apply_freefont;
  85
  86 using lyx::support::AddName;
  87 using lyx::support::AddPath;
  88 using lyx::support::bformat;
  89 using lyx::support::ChangeExtension;
  90 using lyx::support::FileInfo;
  91 using lyx::support::FileSearch;
  92 using lyx::support::ForkedcallsController;
  93 using lyx::support::i18nLibFileSearch;
  94 using lyx::support::IsDirWriteable;
  95 using lyx::support::IsFileReadable;
  96 using lyx::support::isStrInt;
  97 using lyx::support::MakeAbsPath;
  98 using lyx::support::MakeDisplayPath;
  99 using lyx::support::Path;
 100 using lyx::support::rtrim;
 101 using lyx::support::split;
 102 using lyx::support::strToInt;
 103 using lyx::support::strToUnsignedInt;
 104 using lyx::support::system_lyxdir;
 105 using lyx::support::token;
 106 using lyx::support::trim;
 107 using lyx::support::user_lyxdir;
 108
 109 using std::endl;
 110 using std::make_pair;
 111
 112 using std::istringstream;
 113
 114
 115 extern BufferList bufferlist;
 116 extern LyXServer * lyxserver;
 117 extern bool selection_possible;
 118
 119 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 120
 121 // (alkis)
 122 extern tex_accent_struct get_accent(kb_action action);
 123
 124 extern void ShowLatexLog();
 125
 126
 127 LyXFunc::LyXFunc(LyXView * o)
 128         : owner(o),
 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::moveCursorUpdate()
 138 {
 139         LyXText * lt = view()->text;
 140         if (lt->selection.mark())
 141                 lt->setSelection();
 142         view()->update();
 143         view()->switchKeyMap();
 144 }
 145
 146
 147 void LyXFunc::handleKeyFunc(kb_action action)
 148 {
 149         char c = encoded_last_key;
 150
 151         if (keyseq.length()) {
 152                 c = 0;
 153         }
 154
 155         owner->getIntl().getTransManager()
 156                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 157         // Need to clear, in case the minibuffer calls these
 158         // actions
 159         keyseq.clear();
 160         // copied verbatim from do_accent_char
 161         view()->update();
 162         view()->getLyXText()->selection.cursor = view()->getLyXText()->cursor;
 163 }
 164
 165
 166 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 167                             key_modifier::state state)
 168 {
 169         string argument;
 170
 171         if (lyxerr.debugging(Debug::KEY)) {
 172                 lyxerr << "KeySym is "
 173                        << keysym->getSymbolName()
 174                        << endl;
 175         }
 176
 177         // Do nothing if we have nothing (JMarc)
 178         if (!keysym->isOK()) {
 179                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 180                                    << endl;
 181                 return;
 182         }
 183
 184         if (keysym->isModifier()) {
 185                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 186                 return;
 187         }
 188
 189         Encoding const * encoding = view()->getEncoding();
 190
 191         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 192
 193         // Do a one-deep top-level lookup for
 194         // cancel and meta-fake keys. RVDK_PATCH_5
 195         cancel_meta_seq.reset();
 196
 197         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 198         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 199
 200         // When not cancel or meta-fake, do the normal lookup.
 201         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 202         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 203         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 204                 // remove Caps Lock and Mod2 as a modifiers
 205                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 206                 lyxerr[Debug::KEY] << "action now set to ["
 207                         << func.action << ']' << endl;
 208         }
 209
 210         // Dont remove this unless you know what you are doing.
 211         meta_fake_bit = key_modifier::none;
 212
 213         // can this happen now ?
 214         if (func.action == LFUN_NOACTION) {
 215                 func = FuncRequest(LFUN_PREFIX);
 216         }
 217
 218         if (lyxerr.debugging(Debug::KEY)) {
 219                 lyxerr << "Key [action="
 220                        << func.action << "]["
 221                        << keyseq.print() << ']'
 222                        << endl;
 223         }
 224
 225         // already here we know if it any point in going further
 226         // why not return already here if action == -1 and
 227         // num_bytes == 0? (Lgb)
 228
 229         if (keyseq.length() > 1) {
 230                 owner->message(keyseq.print());
 231         }
 232
 233
 234         // Maybe user can only reach the key via holding down shift.
 235         // Let's see. But only if shift is the only modifier
 236         if (func.action == LFUN_UNKNOWN_ACTION &&
 237             state == key_modifier::shift) {
 238                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 239                 func = keyseq.addkey(keysym, key_modifier::none);
 240                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 241         }
 242
 243         if (func.action == LFUN_UNKNOWN_ACTION) {
 244                 // Hmm, we didn't match any of the keysequences. See
 245                 // if it's normal insertable text not already covered
 246                 // by a binding
 247                 if (keysym->isText() && keyseq.length() == 1) {
 248                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 249                         func = FuncRequest(LFUN_SELFINSERT);
 250                 } else {
 251                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 252                         owner->message(_("Unknown function."));
 253                         return;
 254                 }
 255         }
 256
 257         if (func.action == LFUN_SELFINSERT) {
 258                 if (encoded_last_key != 0) {
 259                         string arg;
 260                         arg += encoded_last_key;
 261
 262                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 263
 264                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 265                                    << argument << "']" << endl;
 266                 }
 267         } else {
 268                 dispatch(func);
 269         }
 270 }
 271
 272
 273 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 274 {
 275         FuncStatus flag;
 276         Buffer * buf = owner->buffer();
 277
 278         if (ev.action == LFUN_NOACTION) {
 279                 setStatusMessage(N_("Nothing to do"));
 280                 return flag.disabled(true);
 281         }
 282
 283         switch (ev.action) {
 284         case LFUN_UNKNOWN_ACTION:
 285 #ifndef HAVE_LIBAIKSAURUS
 286         case LFUN_THESAURUS_ENTRY:
 287 #endif
 288                 flag.unknown(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                         return flag.disabled(true);
 320                 }
 321         }
 322
 323         UpdatableInset * tli = view()->theLockingInset();
 324
 325         // I would really like to avoid having this switch and rather try to
 326         // encode this in the function itself.
 327         bool disable = false;
 328         switch (ev.action) {
 329         case LFUN_EXPORT:
 330                 disable = ev.argument != "custom"
 331                         && !Exporter::IsExportable(*buf, ev.argument);
 332                 break;
 333         case LFUN_UNDO:
 334                 disable = buf->undostack().empty();
 335                 break;
 336         case LFUN_REDO:
 337                 disable = buf->redostack().empty();
 338                 break;
 339         case LFUN_CUT:
 340         case LFUN_COPY:
 341                 if (tli) {
 342                         UpdatableInset * in = tli;
 343                         if (in->lyxCode() != InsetOld::TABULAR_CODE) {
 344                                 in = tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE);
 345                         }
 346                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 347                                 disable = false;
 348                                 break;
 349                         }
 350                 }
 351                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 352                 break;
 353         case LFUN_RUNCHKTEX:
 354                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 355                 break;
 356         case LFUN_BUILDPROG:
 357                 disable = !Exporter::IsExportable(*buf, "program");
 358                 break;
 359
 360         case LFUN_LAYOUT_TABULAR:
 361                 disable = !tli
 362                         || (tli->lyxCode() != InsetOld::TABULAR_CODE
 363                             && !tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
 364                 break;
 365
 366         case LFUN_DEPTH_MIN:
 367                 disable = !changeDepth(view(), view()->getLyXText(), DEC_DEPTH, true);
 368                 break;
 369
 370         case LFUN_DEPTH_PLUS:
 371                 disable = !changeDepth(view(), view()->getLyXText(), INC_DEPTH, true);
 372                 break;
 373
 374         case LFUN_LAYOUT:
 375         case LFUN_LAYOUT_PARAGRAPH: {
 376                 InsetOld * inset = view()->getLyXText()->cursor.par()->inInset();
 377                 disable = inset && inset->forceDefaultParagraphs(inset);
 378                 break;
 379         }
 380
 381         case LFUN_INSET_OPTARG:
 382                 disable = (view()->getLyXText()->cursor.par()->layout()->optionalargs == 0);
 383                 break;
 384
 385         case LFUN_TABULAR_FEATURE:
 386                 if (mathcursor) {
 387 #if 0
 388                         // FIXME: check temporarily disabled
 389                         // valign code
 390                         char align = mathcursor->valign();
 391                         if (align == '\0') {
 392                                 disable = true;
 393                                 break;
 394                         }
 395                         if (ev.argument.empty()) {
 396                                 flag.clear();
 397                                 break;
 398                         }
 399                         if (!contains("tcb", ev.argument[0])) {
 400                                 disable = true;
 401                                 break;
 402                         }
 403                         flag.setOnOff(ev.argument[0] == align);
 404                 } else
 405                         disable = true;
 406
 407                         char align = mathcursor->halign();
 408                         if (align == '\0') {
 409                                 disable = true;
 410                                 break;
 411                         }
 412                         if (ev.argument.empty()) {
 413                                 flag.clear();
 414                                 break;
 415                         }
 416                         if (!contains("lcr", ev.argument[0])) {
 417                                 disable = true;
 418                                 break;
 419                         }
 420                         flag.setOnOff(ev.argument[0] == align);
 421 #endif
 422
 423                         disable = !mathcursor->halign();
 424                         break;
 425                 }
 426
 427                 if (tli) {
 428                         FuncStatus ret;
 429                         //ret.disabled(true);
 430                         if (tli->lyxCode() == InsetOld::TABULAR_CODE) {
 431                                 ret = static_cast<InsetTabular *>(tli)
 432                                         ->getStatus(ev.argument);
 433                                 flag |= ret;
 434                                 disable = false;
 435                         } else if (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)) {
 436                                 ret = static_cast<InsetTabular *>
 437                                         (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE))
 438                                         ->getStatus(ev.argument);
 439                                 flag |= ret;
 440                                 disable = false;
 441                         } else {
 442                                 disable = true;
 443                         }
 444                 } else {
 445                         static InsetTabular inset(*owner->buffer(), 1, 1);
 446                         FuncStatus ret;
 447
 448                         disable = true;
 449                         ret = inset.getStatus(ev.argument);
 450                         if (ret.onoff(true) || ret.onoff(false))
 451                                 flag.setOnOff(false);
 452                 }
 453                 break;
 454
 455         case LFUN_VC_REGISTER:
 456                 disable = buf->lyxvc().inUse();
 457                 break;
 458         case LFUN_VC_CHECKIN:
 459                 disable = !buf->lyxvc().inUse() || buf->isReadonly();
 460                 break;
 461         case LFUN_VC_CHECKOUT:
 462                 disable = !buf->lyxvc().inUse() || !buf->isReadonly();
 463                 break;
 464         case LFUN_VC_REVERT:
 465         case LFUN_VC_UNDO:
 466                 disable = !buf->lyxvc().inUse();
 467                 break;
 468         case LFUN_MENURELOAD:
 469                 disable = buf->isUnnamed() || buf->isClean();
 470                 break;
 471         case LFUN_BOOKMARK_GOTO:
 472                 disable =  !view()->
 473                         isSavedPosition(strToUnsignedInt(ev.argument));
 474                 break;
 475         case LFUN_MERGE_CHANGES:
 476         case LFUN_ACCEPT_CHANGE:
 477         case LFUN_REJECT_CHANGE:
 478         case LFUN_ACCEPT_ALL_CHANGES:
 479         case LFUN_REJECT_ALL_CHANGES:
 480                 disable = !buf->params().tracking_changes;
 481                 break;
 482         case LFUN_INSET_TOGGLE: {
 483                 LyXText * lt = view()->getLyXText();
 484                 disable = !(isEditableInset(lt->getInset())
 485                             || (lt->inset_owner
 486                                 && lt->inset_owner->owner()
 487                                 && lt->inset_owner->owner()->isOpen()));
 488                 break;
 489         }
 490
 491         case LFUN_INSET_SETTINGS: {
 492                 disable = true;
 493                 UpdatableInset * inset = view()->theLockingInset();
 494
 495                 if (!inset)
 496                         break;
 497
 498                 // get the innermost inset
 499                 inset = inset->getLockingInset();
 500
 501                 // jump back to owner if an InsetText, so
 502                 // we get back to the InsetTabular or whatever
 503                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 504                         inset = inset->owner();
 505
 506                 InsetOld::Code code = inset->lyxCode();
 507                 switch (code) {
 508                         case InsetOld::TABULAR_CODE:
 509                                 disable = ev.argument != "tabular";
 510                                 break;
 511                         case InsetOld::ERT_CODE:
 512                                 disable = ev.argument != "ert";
 513                                 break;
 514                         case InsetOld::FLOAT_CODE:
 515                                 disable = ev.argument != "float";
 516                                 break;
 517                         case InsetOld::MINIPAGE_CODE:
 518                                 disable = ev.argument != "minipage";
 519                                 break;
 520                         case InsetOld::WRAP_CODE:
 521                                 disable = ev.argument != "wrap";
 522                                 break;
 523                         case InsetOld::NOTE_CODE:
 524                                 disable = ev.argument != "note";
 525                                 break;
 526                         case InsetOld::BRANCH_CODE:
 527                                 disable = ev.argument != "branch";
 528                                 break;
 529                         default:
 530                                 break;
 531                 }
 532                 break;
 533         }
 534
 535         case LFUN_MATH_MUTATE:
 536                 if (mathcursor)
 537                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 538                         flag.setOnOff(false);
 539                 else
 540                         disable = true;
 541                 break;
 542
 543         // we just need to be in math mode to enable that
 544         case LFUN_MATH_SIZE:
 545         case LFUN_MATH_SPACE:
 546         case LFUN_MATH_LIMITS:
 547         case LFUN_MATH_NONUMBER:
 548         case LFUN_MATH_NUMBER:
 549         case LFUN_MATH_EXTERN:
 550                 disable = !mathcursor;
 551                 break;
 552
 553         case LFUN_DIALOG_SHOW: {
 554                 string const name = ev.getArg(0);
 555                 if (!buf) {
 556                         disable = !(name == "aboutlyx" ||
 557                                     name == "file" ||
 558                                     name == "forks" ||
 559                                     name == "preferences" ||
 560                                     name == "texinfo");
 561                         break;
 562                 }
 563
 564                 if (name == "print") {
 565                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 566                                 lyxrc.print_command == "none";
 567                 } else if (name == "character") {
 568                         UpdatableInset * tli = view()->theLockingInset();
 569                         disable = tli && tli->lyxCode() == InsetOld::ERT_CODE;
 570                 } else if (name == "vclog") {
 571                         disable = !buf->lyxvc().inUse();
 572                 } else if (name == "latexlog") {
 573                         disable = !IsFileReadable(buf->getLogName().second);
 574                 }
 575                 break;
 576         }
 577
 578         default:
 579                 break;
 580         }
 581
 582         // the functions which insert insets
 583         InsetOld::Code code = InsetOld::NO_CODE;
 584         switch (ev.action) {
 585         case LFUN_DIALOG_SHOW_NEW_INSET:
 586                 if (ev.argument == "bibitem")
 587                         code = InsetOld::BIBITEM_CODE;
 588                 else if (ev.argument == "bibtex")
 589                         code = InsetOld::BIBTEX_CODE;
 590                 else if (ev.argument == "citation")
 591                         code = InsetOld::CITE_CODE;
 592                 else if (ev.argument == "ert")
 593                         code = InsetOld::ERT_CODE;
 594                 else if (ev.argument == "external")
 595                         code = InsetOld::EXTERNAL_CODE;
 596                 else if (ev.argument == "float")
 597                         code = InsetOld::FLOAT_CODE;
 598                 else if (ev.argument == "graphics")
 599                         code = InsetOld::GRAPHICS_CODE;
 600                 else if (ev.argument == "include")
 601                         code = InsetOld::INCLUDE_CODE;
 602                 else if (ev.argument == "index")
 603                         code = InsetOld::INDEX_CODE;
 604                 else if (ev.argument == "label")
 605                         code = InsetOld::LABEL_CODE;
 606                 else if (ev.argument == "minipage")
 607                         code = InsetOld::MINIPAGE_CODE;
 608                 else if (ev.argument == "ref")
 609                         code = InsetOld::REF_CODE;
 610                 else if (ev.argument == "toc")
 611                         code = InsetOld::TOC_CODE;
 612                 else if (ev.argument == "url")
 613                         code = InsetOld::URL_CODE;
 614                 else if (ev.argument == "wrap")
 615                         code = InsetOld::WRAP_CODE;
 616                 break;
 617
 618         case LFUN_INSET_ERT:
 619                 code = InsetOld::ERT_CODE;
 620                 break;
 621         case LFUN_INSET_FOOTNOTE:
 622                 code = InsetOld::FOOT_CODE;
 623                 break;
 624         case LFUN_TABULAR_INSERT:
 625                 code = InsetOld::TABULAR_CODE;
 626                 break;
 627         case LFUN_INSET_MARGINAL:
 628                 code = InsetOld::MARGIN_CODE;
 629                 break;
 630         case LFUN_INSET_MINIPAGE:
 631                 code = InsetOld::MINIPAGE_CODE;
 632                 break;
 633         case LFUN_INSET_FLOAT:
 634         case LFUN_INSET_WIDE_FLOAT:
 635                 code = InsetOld::FLOAT_CODE;
 636                 break;
 637         case LFUN_INSET_WRAP:
 638                 code = InsetOld::WRAP_CODE;
 639                 break;
 640         case LFUN_FLOAT_LIST:
 641                 code = InsetOld::FLOAT_LIST_CODE;
 642                 break;
 643 #if 0
 644         case LFUN_INSET_LIST:
 645                 code = InsetOld::LIST_CODE;
 646                 break;
 647         case LFUN_INSET_THEOREM:
 648                 code = InsetOld::THEOREM_CODE;
 649                 break;
 650 #endif
 651         case LFUN_INSET_CAPTION:
 652                 code = InsetOld::CAPTION_CODE;
 653                 break;
 654         case LFUN_INSERT_NOTE:
 655                 code = InsetOld::NOTE_CODE;
 656                 break;
 657         case LFUN_INSERT_BRANCH:
 658                 code = InsetOld::BRANCH_CODE;
 659                 if (buf->params().branchlist().empty())
 660                         disable = true;
 661                 break;
 662         case LFUN_INSERT_LABEL:
 663                 code = InsetOld::LABEL_CODE;
 664                 break;
 665         case LFUN_INSET_OPTARG:
 666                 code = InsetOld::OPTARG_CODE;
 667                 break;
 668         case LFUN_ENVIRONMENT_INSERT:
 669                 code = InsetOld::MINIPAGE_CODE;
 670                 break;
 671         case LFUN_INDEX_INSERT:
 672                 code = InsetOld::INDEX_CODE;
 673                 break;
 674         case LFUN_INDEX_PRINT:
 675                 code = InsetOld::INDEX_PRINT_CODE;
 676                 break;
 677         case LFUN_TOC_INSERT:
 678                 code = InsetOld::TOC_CODE;
 679                 break;
 680         case LFUN_HTMLURL:
 681         case LFUN_URL:
 682                 code = InsetOld::URL_CODE;
 683                 break;
 684         case LFUN_QUOTE:
 685                 // always allow this, since we will inset a raw quote
 686                 // if an inset is not allowed.
 687                 break;
 688         case LFUN_HYPHENATION:
 689         case LFUN_LIGATURE_BREAK:
 690         case LFUN_HFILL:
 691         case LFUN_MENU_SEPARATOR:
 692         case LFUN_LDOTS:
 693         case LFUN_END_OF_SENTENCE:
 694                 code = InsetOld::SPECIALCHAR_CODE;
 695                 break;
 696         case LFUN_SPACE_INSERT:
 697                 // slight hack: we know this is allowed in math mode
 698                 if (!mathcursor)
 699                         code = InsetOld::SPACE_CODE;
 700                 break;
 701         case LFUN_INSET_DIALOG_SHOW: {
 702                         LyXText * lt = view()->getLyXText();
 703                         InsetOld * inset = lt->getInset();
 704                         disable = !inset;
 705                         if (!disable) {
 706                                 code = inset->lyxCode();
 707                                 if (!(code == InsetOld::INCLUDE_CODE
 708                                         || code == InsetOld::BIBTEX_CODE
 709                                         || code == InsetOld::FLOAT_LIST_CODE
 710                                         || code == InsetOld::TOC_CODE))
 711                                         disable = true;
 712                         }
 713                 }
 714                 break;
 715         default:
 716                 break;
 717         }
 718         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 719                 disable = true;
 720
 721         if (disable)
 722                 flag.disabled(true);
 723
 724         // A few general toggles
 725         switch (ev.action) {
 726         case LFUN_TOOLTIPS_TOGGLE:
 727                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 728                 break;
 729
 730         case LFUN_READ_ONLY_TOGGLE:
 731                 flag.setOnOff(buf->isReadonly());
 732                 break;
 733         case LFUN_APPENDIX:
 734                 flag.setOnOff(view()->getLyXText()->cursor.par()->params().startOfAppendix());
 735                 break;
 736         case LFUN_SWITCHBUFFER:
 737                 // toggle on the current buffer, but do not toggle off
 738                 // the other ones (is that a good idea?)
 739                 if (ev.argument == buf->fileName())
 740                         flag.setOnOff(true);
 741                 break;
 742         case LFUN_TRACK_CHANGES:
 743                 flag.setOnOff(buf->params().tracking_changes);
 744                 break;
 745         default:
 746                 break;
 747         }
 748
 749         // the font related toggles
 750         if (!mathcursor) {
 751                 LyXFont const & font = view()->getLyXText()->real_current_font;
 752                 switch (ev.action) {
 753                 case LFUN_EMPH:
 754                         flag.setOnOff(font.emph() == LyXFont::ON);
 755                         break;
 756                 case LFUN_NOUN:
 757                         flag.setOnOff(font.noun() == LyXFont::ON);
 758                         break;
 759                 case LFUN_BOLD:
 760                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 761                         break;
 762                 case LFUN_SANS:
 763                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 764                         break;
 765                 case LFUN_ROMAN:
 766                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 767                         break;
 768                 case LFUN_CODE:
 769                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 770                         break;
 771                 default:
 772                         break;
 773                 }
 774         } else {
 775                 string tc = mathcursor->getLastCode();
 776                 switch (ev.action) {
 777                 case LFUN_BOLD:
 778                         flag.setOnOff(tc == "mathbf");
 779                         break;
 780                 case LFUN_SANS:
 781                         flag.setOnOff(tc == "mathsf");
 782                         break;
 783                 case LFUN_EMPH:
 784                         flag.setOnOff(tc == "mathcal");
 785                         break;
 786                 case LFUN_ROMAN:
 787                         flag.setOnOff(tc == "mathrm");
 788                         break;
 789                 case LFUN_CODE:
 790                         flag.setOnOff(tc == "mathtt");
 791                         break;
 792                 case LFUN_NOUN:
 793                         flag.setOnOff(tc == "mathbb");
 794                         break;
 795                 case LFUN_DEFAULT:
 796                         flag.setOnOff(tc == "mathnormal");
 797                         break;
 798                 default:
 799                         break;
 800                 }
 801         }
 802
 803         // this one is difficult to get right. As a half-baked
 804         // solution, we consider only the first action of the sequence
 805         if (ev.action == LFUN_SEQUENCE) {
 806                 // argument contains ';'-terminated commands
 807 #warning LyXAction arguements not handled here.
 808                 flag = getStatus(FuncRequest(lyxaction.lookupFunc(token(ev.argument, ';', 0))));
 809         }
 810
 811         return flag;
 812 }
 813
 814
 815 void LyXFunc::dispatch(string const & s, bool verbose)
 816 {
 817         FuncRequest func = lyxaction.lookupFunc(s);
 818
 819         if (func.action == LFUN_UNKNOWN_ACTION) {
 820                 owner->message(bformat(_("Unknown function (%1$s)"), s));
 821                 return;
 822         }
 823
 824         dispatch(func, verbose);
 825 }
 826
 827
 828 namespace {
 829         bool ensureBufferClean(BufferView * bv) {
 830
 831                 Buffer & buf = *bv->buffer();
 832                 if (buf.isClean())
 833                         return true;
 834
 835                 string const file = MakeDisplayPath(buf.fileName(), 30);
 836                 string text = bformat(_("The document %1$s has unsaved "
 837                                         "changes.\n\nDo you want to save "
 838                                         "the document?"), file);
 839                 int const ret = Alert::prompt(_("Save changed document?"),
 840                                               text, 0, 1, _("&Save"),
 841                                               _("&Cancel"));
 842
 843                 if (ret == 0)
 844                         bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 845
 846                 return buf.isClean();
 847         }
 848
 849 } //namespace anon
 850
 851
 852 void LyXFunc::dispatch(FuncRequest const & func, bool verbose)
 853 {
 854         string argument = func.argument;
 855         kb_action action = func.action;
 856
 857         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << action
 858                               <<"] arg[" << argument << ']' << endl;
 859
 860         // we have not done anything wrong yet.
 861         errorstat = false;
 862         dispatch_buffer.erase();
 863
 864 #ifdef NEW_DISPATCHER
 865         // We try do call the most specific dispatcher first:
 866         //  1. the lockinginset's dispatch
 867         //  2. the bufferview's dispatch
 868         //  3. the lyxview's dispatch
 869 #endif
 870
 871         selection_possible = false;
 872
 873         // We cannot use this function here
 874         if (getStatus(func).disabled()) {
 875                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 876                        << lyxaction.getActionName(action)
 877                        << " [" << action << "] is disabled at this location"
 878                        << endl;
 879                 setErrorMessage(getStatusMessage());
 880                 goto exit_with_message;
 881         }
 882
 883         if (view()->available())
 884                 view()->hideCursor();
 885
 886 #if 1
 887         {
 888                 Cursor cursor;
 889                 buildCursor(cursor, *view());
 890                 if (cursor.dispatch(FuncRequest(func, view())) == DISPATCHED) {
 891                         lyxerr << "dispatched by Cursor::dispatch()\n";
 892                         goto exit_with_message;
 893                 }
 894         }
 895 #endif
 896
 897
 898         if (view()->available() && view()->theLockingInset()) {
 899                 InsetOld::RESULT result;
 900                 if (action > 1 || (action == LFUN_UNKNOWN_ACTION &&
 901                                      !keyseq.deleted()))
 902                 {
 903                         UpdatableInset * inset = view()->theLockingInset();
 904 #if 1
 905                         int inset_x;
 906                         int dummy_y;
 907                         inset->getCursorPos(view(), inset_x, dummy_y);
 908 #endif
 909                         if ((action == LFUN_UNKNOWN_ACTION)
 910                             && argument.empty()) {
 911                                 argument = encoded_last_key;
 912                         }
 913
 914                         // the insets can't try to handle this,
 915                         // a table cell in the dummy position will
 916                         // lock its insettext, the insettext will
 917                         // pass it the bufferview, and succeed,
 918                         // so it will stay not locked. Not good
 919                         // if we've just done LFUN_ESCAPE (which
 920                         // injects an LFUN_PARAGRAPH_UPDATE)
 921                         if (action == LFUN_PARAGRAPH_UPDATE) {
 922                                 view()->dispatch(func);
 923                                 goto exit_with_message;
 924                         }
 925
 926                         // Undo/Redo is a bit tricky for insets.
 927                         if (action == LFUN_UNDO) {
 928                                 view()->undo();
 929                                 goto exit_with_message;
 930                         } else if (action == LFUN_REDO) {
 931                                 view()->redo();
 932                                 goto exit_with_message;
 933                         } else if (((result=inset->
 934                                      // Hand-over to inset's own dispatch:
 935                                      localDispatch(FuncRequest(view(), action, argument))) ==
 936                                     DISPATCHED) ||
 937                                    (result == DISPATCHED_NOUPDATE))
 938                                 goto exit_with_message;
 939                                         // If UNDISPATCHED, just soldier on
 940                         else if (result == FINISHED) {
 941                                 owner->clearMessage();
 942                                 goto exit_with_message;
 943                                 // We do not need special RTL handling here:
 944                                 // FINISHED means that the cursor should be
 945                                 // one position after the inset.
 946                         } else if (result == FINISHED_RIGHT) {
 947                                 view()->text->cursorRight(view());
 948                                 moveCursorUpdate();
 949                                 owner->clearMessage();
 950                                 goto exit_with_message;
 951                         } else if (result == FINISHED_UP) {
 952                                 RowList::iterator const irow = view()->text->cursorIRow();
 953                                 if (irow != view()->text->firstRow()) {
 954 #if 1
 955                                         view()->text->setCursorFromCoordinates(
 956                                                 view()->text->cursor.x() + inset_x,
 957                                                 view()->text->cursor.y() -
 958                                                 irow->baseline() - 1);
 959                                         view()->text->cursor.x_fix(view()->text->cursor.x());
 960 #else
 961                                         view()->text->cursorUp(view());
 962 #endif
 963                                         moveCursorUpdate();
 964                                 } else {
 965                                         view()->update();
 966                                 }
 967                                 owner->clearMessage();
 968                                 goto exit_with_message;
 969                         } else if (result == FINISHED_DOWN) {
 970                                 RowList::iterator const irow = view()->text->cursorIRow();
 971                                 if (irow != view()->text->lastRow()) {
 972 #if 1
 973                                         view()->text->setCursorFromCoordinates(
 974                                                 view()->text->cursor.x() + inset_x,
 975                                                 view()->text->cursor.y() -
 976                                                 irow->baseline() +
 977                                                 irow->height() + 1);
 978                                         view()->text->cursor.x_fix(view()->text->cursor.x());
 979 #else
 980                                         view()->text->cursorDown(view());
 981 #endif
 982                                 } else {
 983                                         view()->text->cursorRight(view());
 984                                 }
 985                                 moveCursorUpdate();
 986                                 owner->clearMessage();
 987                                 goto exit_with_message;
 988                         }
 989 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 990                         else { // result == UNDISPATCHED
 991                                 //setMessage(N_("Text mode"));
 992                                 switch (action) {
 993                                 case LFUN_UNKNOWN_ACTION:
 994                                 case LFUN_BREAKPARAGRAPH:
 995                                 case LFUN_BREAKLINE:
 996                                         view()->text->cursorRight(view());
 997                                         view()->switchKeyMap();
 998                                         owner->view_state_changed();
 999                                         break;
1000                                 case LFUN_RIGHT:
1001                                         if (!view()->text->cursor.par()->isRightToLeftPar(owner->buffer()->params())) {
1002                                                 view()->text->cursorRight(view());
1003                                                 moveCursorUpdate();
1004                                                 owner->view_state_changed();
1005                                         }
1006                                         goto exit_with_message;
1007                                 case LFUN_LEFT:
1008                                         if (view()->text->cursor.par()->isRightToLeftPar(owner->buffer()->params())) {
1009                                                 view()->text->cursorRight(view());
1010                                                 moveCursorUpdate();
1011                                                 owner->view_state_changed();
1012                                         }
1013                                         goto exit_with_message;
1014                                 case LFUN_DOWN:
1015                                         if (view()->text->cursorRow() != view()->text->lastRow())
1016                                                 view()->text->cursorDown(view());
1017                                         else
1018                                                 view()->text->cursorRight(view());
1019                                         moveCursorUpdate();
1020                                         owner->view_state_changed();
1021                                         goto exit_with_message;
1022                                 default:
1023                                         break;
1024                                 }
1025                         }
1026                 }
1027         }
1028
1029         switch (action) {
1030
1031         case LFUN_ESCAPE: {
1032                 if (!view()->available())
1033                         break;
1034                 // this function should be used always [asierra060396]
1035                 UpdatableInset * tli = view()->theLockingInset();
1036                 if (tli) {
1037                         UpdatableInset * lock = tli->getLockingInset();
1038
1039                         if (tli == lock) {
1040                                 view()->unlockInset(tli);
1041                                 view()->text->cursorRight(view());
1042                                 moveCursorUpdate();
1043                                 owner->view_state_changed();
1044                         } else {
1045                                 tli->unlockInsetInInset(view(), lock, true);
1046                         }
1047                         finishUndo();
1048                         // Tell the paragraph dialog that we changed paragraph
1049                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1050                 }
1051                 break;
1052         }
1053
1054         case LFUN_WORDFINDFORWARD:
1055         case LFUN_WORDFINDBACKWARD: {
1056                 static string last_search;
1057                 string searched_string;
1058
1059                 if (!argument.empty()) {
1060                         last_search = argument;
1061                         searched_string = argument;
1062                 } else {
1063                         searched_string = last_search;
1064                 }
1065                 bool fw = (action == LFUN_WORDFINDFORWARD);
1066                 if (!searched_string.empty())
1067                         lyx::find::find(view(), searched_string, fw);
1068                 break;
1069         }
1070
1071         case LFUN_PREFIX:
1072                 if (view()->available() && !view()->theLockingInset())
1073                         view()->update();
1074                 owner->message(keyseq.printOptions());
1075                 break;
1076
1077         // --- Misc -------------------------------------------
1078         case LFUN_EXEC_COMMAND:
1079                 owner->focus_command_buffer();
1080                 break;
1081
1082         case LFUN_CANCEL:
1083                 keyseq.reset();
1084                 meta_fake_bit = key_modifier::none;
1085                 if (view()->available())
1086                         // cancel any selection
1087                         dispatch(FuncRequest(LFUN_MARK_OFF));
1088                 setMessage(N_("Cancel"));
1089                 break;
1090
1091         case LFUN_META_FAKE:
1092                 meta_fake_bit = key_modifier::alt;
1093                 setMessage(keyseq.print());
1094                 break;
1095
1096         case LFUN_READ_ONLY_TOGGLE:
1097                 if (owner->buffer()->lyxvc().inUse())
1098                         owner->buffer()->lyxvc().toggleReadOnly();
1099                 else
1100                         owner->buffer()->setReadonly(
1101                                 !owner->buffer()->isReadonly());
1102                 break;
1103
1104         case LFUN_CENTER: // this is center and redraw.
1105                 view()->center();
1106                 break;
1107
1108                 // --- Menus -----------------------------------------------
1109         case LFUN_MENUNEW:
1110                 menuNew(argument, false);
1111                 break;
1112
1113         case LFUN_MENUNEWTMPLT:
1114                 menuNew(argument, true);
1115                 break;
1116
1117         case LFUN_CLOSEBUFFER:
1118                 closeBuffer();
1119                 break;
1120
1121         case LFUN_MENUWRITE:
1122                 if (!owner->buffer()->isUnnamed()) {
1123                         string const str = bformat(_("Saving document %1$s..."),
1124                            MakeDisplayPath(owner->buffer()->fileName()));
1125                         owner->message(str);
1126                         MenuWrite(owner->buffer());
1127                         owner->message(str + _(" done."));
1128                 } else
1129                         WriteAs(owner->buffer());
1130                 break;
1131
1132         case LFUN_WRITEAS:
1133                 WriteAs(owner->buffer(), argument);
1134                 break;
1135
1136         case LFUN_MENURELOAD: {
1137                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1138                 string text = bformat(_("Any changes will be lost. Are you sure "
1139                         "you want to revert to the saved version of the document %1$s?"), file);
1140                 int const ret = Alert::prompt(_("Revert to saved document?"),
1141                         text, 0, 1, _("&Revert"), _("&Cancel"));
1142
1143                 if (ret == 0)
1144                         view()->reload();
1145                 break;
1146         }
1147
1148         case LFUN_UPDATE:
1149                 Exporter::Export(owner->buffer(), argument, true);
1150                 view()->showErrorList(BufferFormat(*owner->buffer()));
1151                 break;
1152
1153         case LFUN_PREVIEW:
1154                 Exporter::Preview(owner->buffer(), argument);
1155                 view()->showErrorList(BufferFormat(*owner->buffer()));
1156                 break;
1157
1158         case LFUN_BUILDPROG:
1159                 Exporter::Export(owner->buffer(), "program", true);
1160                 view()->showErrorList(_("Build"));
1161                 break;
1162
1163         case LFUN_RUNCHKTEX:
1164                 owner->buffer()->runChktex();
1165                 view()->showErrorList(_("ChkTeX"));
1166                 break;
1167
1168         case LFUN_EXPORT:
1169                 if (argument == "custom")
1170                         owner->getDialogs().showSendto();
1171                 else {
1172                         Exporter::Export(owner->buffer(), argument, false);
1173                         view()->showErrorList(BufferFormat(*owner->buffer()));
1174                 }
1175                 break;
1176
1177         case LFUN_IMPORT:
1178                 doImport(argument);
1179                 break;
1180
1181         case LFUN_QUIT:
1182                 QuitLyX();
1183                 break;
1184
1185         case LFUN_TOCVIEW:
1186         {
1187                 InsetCommandParams p("tableofcontents");
1188                 string const data = InsetCommandMailer::params2string("toc", p);
1189                 owner->getDialogs().show("toc", data, 0);
1190                 break;
1191         }
1192
1193         case LFUN_AUTOSAVE:
1194                 AutoSave(view());
1195                 break;
1196
1197         case LFUN_UNDO:
1198                 view()->undo();
1199                 break;
1200
1201         case LFUN_REDO:
1202                 view()->redo();
1203                 break;
1204
1205         case LFUN_DEPTH_MIN:
1206                 changeDepth(view(), view()->getLyXText(), DEC_DEPTH, false);
1207                 owner->view_state_changed();
1208                 break;
1209
1210         case LFUN_DEPTH_PLUS:
1211                 changeDepth(view(), view()->getLyXText(), INC_DEPTH, false);
1212                 owner->view_state_changed();
1213                 break;
1214
1215         case LFUN_FREEFONT_APPLY:
1216                 apply_freefont(view());
1217                 break;
1218
1219         case LFUN_FREEFONT_UPDATE:
1220                 update_and_apply_freefont(view(), argument);
1221                 break;
1222
1223         case LFUN_RECONFIGURE:
1224                 Reconfigure(view());
1225                 break;
1226
1227 #if 0
1228         case LFUN_FLOATSOPERATE:
1229                 if (argument == "openfoot")
1230                         view()->allFloats(1,0);
1231                 else if (argument == "closefoot")
1232                         view()->allFloats(0,0);
1233                 else if (argument == "openfig")
1234                         view()->allFloats(1,1);
1235                 else if (argument == "closefig")
1236                         view()->allFloats(0,1);
1237                 break;
1238 #else
1239 #ifdef WITH_WARNINGS
1240 //#warning Find another implementation here (or another lyxfunc)!
1241 #endif
1242 #endif
1243         case LFUN_HELP_OPEN:
1244         {
1245                 string const arg = argument;
1246                 if (arg.empty()) {
1247                         setErrorMessage(N_("Missing argument"));
1248                         break;
1249                 }
1250                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1251                 if (fname.empty()) {
1252                         lyxerr << "LyX: unable to find documentation file `"
1253                                << arg << "'. Bad installation?" << endl;
1254                         break;
1255                 }
1256                 owner->message(bformat(_("Opening help file %1$s..."),
1257                         MakeDisplayPath(fname)));
1258                 view()->loadLyXFile(fname, false);
1259                 break;
1260         }
1261
1262                 // --- version control -------------------------------
1263         case LFUN_VC_REGISTER:
1264         {
1265                 if (!ensureBufferClean(view()))
1266                         break;
1267                 if (!owner->buffer()->lyxvc().inUse()) {
1268                         owner->buffer()->lyxvc().registrer();
1269                         view()->reload();
1270                 }
1271         }
1272         break;
1273
1274         case LFUN_VC_CHECKIN:
1275         {
1276                 if (!ensureBufferClean(view()))
1277                         break;
1278                 if (owner->buffer()->lyxvc().inUse()
1279                     && !owner->buffer()->isReadonly()) {
1280                         owner->buffer()->lyxvc().checkIn();
1281                         view()->reload();
1282                 }
1283         }
1284         break;
1285
1286         case LFUN_VC_CHECKOUT:
1287         {
1288                 if (!ensureBufferClean(view()))
1289                         break;
1290                 if (owner->buffer()->lyxvc().inUse()
1291                     && owner->buffer()->isReadonly()) {
1292                         owner->buffer()->lyxvc().checkOut();
1293                         view()->reload();
1294                 }
1295         }
1296         break;
1297
1298         case LFUN_VC_REVERT:
1299         {
1300                 owner->buffer()->lyxvc().revert();
1301                 view()->reload();
1302         }
1303         break;
1304
1305         case LFUN_VC_UNDO:
1306         {
1307                 owner->buffer()->lyxvc().undoLast();
1308                 view()->reload();
1309         }
1310         break;
1311
1312         // --- buffers ----------------------------------------
1313
1314         case LFUN_SWITCHBUFFER:
1315                 view()->buffer(bufferlist.getBuffer(argument));
1316                 break;
1317
1318         case LFUN_FILE_NEW:
1319                 NewFile(view(), argument);
1320                 break;
1321
1322         case LFUN_FILE_OPEN:
1323                 open(argument);
1324                 break;
1325
1326         case LFUN_LAYOUT_TABULAR:
1327             if (view()->theLockingInset()) {
1328                 if (view()->theLockingInset()->lyxCode()== InsetOld::TABULAR_CODE) {
1329                     InsetTabular * inset = static_cast<InsetTabular *>
1330                         (view()->theLockingInset());
1331                     inset->openLayoutDialog(view());
1332                 } else if (view()->theLockingInset()->
1333                            getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)!=0) {
1334                     InsetTabular * inset = static_cast<InsetTabular *>(
1335                         view()->theLockingInset()->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
1336                     inset->openLayoutDialog(view());
1337                 }
1338             }
1339             break;
1340
1341         case LFUN_DROP_LAYOUTS_CHOICE:
1342                 owner->getToolbar().openLayoutList();
1343                 break;
1344
1345         case LFUN_MENU_OPEN_BY_NAME:
1346                 owner->getMenubar().openByName(argument);
1347                 break; // RVDK_PATCH_5
1348
1349         // --- lyxserver commands ----------------------------
1350
1351
1352         case LFUN_GETNAME:
1353                 setMessage(owner->buffer()->fileName());
1354                 lyxerr[Debug::INFO] << "FNAME["
1355                                << owner->buffer()->fileName()
1356                                << "] " << endl;
1357                 break;
1358
1359         case LFUN_NOTIFY:
1360         {
1361                 dispatch_buffer = keyseq.print();
1362                 lyxserver->notifyClient(dispatch_buffer);
1363         }
1364         break;
1365
1366         case LFUN_GOTOFILEROW:
1367         {
1368                 string file_name;
1369                 int row;
1370                 istringstream istr(argument.c_str());
1371                 istr >> file_name >> row;
1372                 // Must replace extension of the file to be .lyx and get full path
1373                 string const s(ChangeExtension(file_name, ".lyx"));
1374
1375                 // Either change buffer or load the file
1376                 if (bufferlist.exists(s)) {
1377                         view()->buffer(bufferlist.getBuffer(s));
1378                 } else {
1379                         view()->loadLyXFile(s);
1380                 }
1381
1382                 view()->setCursorFromRow(row);
1383
1384                 view()->center();
1385                 // see BufferView_pimpl::center()
1386                 view()->updateScrollbar();
1387         }
1388         break;
1389
1390         case LFUN_GOTO_PARAGRAPH:
1391         {
1392                 istringstream istr(argument.c_str());
1393
1394                 int id;
1395                 istr >> id;
1396                 ParIterator par = owner->buffer()->getParFromID(id);
1397                 if (par == owner->buffer()->par_iterator_end()) {
1398                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1399                                             << id << ']' << endl;
1400                         break;
1401                 } else {
1402                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1403                                             << " found." << endl;
1404                 }
1405
1406                 if (view()->theLockingInset())
1407                         view()->unlockInset(view()->theLockingInset());
1408                 if (par->inInset()) {
1409                         FuncRequest cmd(view(), LFUN_INSET_EDIT, "left");
1410                         par->inInset()->localDispatch(cmd);
1411                 }
1412                 // Set the cursor
1413                 view()->getLyXText()->setCursor(par.pit(), 0);
1414                 view()->switchKeyMap();
1415                 owner->view_state_changed();
1416
1417                 view()->center();
1418                 // see BufferView_pimpl::center()
1419                 view()->updateScrollbar();
1420         }
1421         break;
1422
1423         // --- insert characters ----------------------------------------
1424
1425         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1426         case LFUN_MATH_EXTERN:
1427         case LFUN_MATH_NUMBER:
1428         case LFUN_MATH_NONUMBER:
1429         case LFUN_MATH_LIMITS:
1430         {
1431                 setErrorMessage(N_("This is only allowed in math mode!"));
1432         }
1433         break;
1434
1435         // passthrough hat and underscore outside mathed:
1436         case LFUN_SUBSCRIPT:
1437                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1438                 break;
1439         case LFUN_SUPERSCRIPT:
1440                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1441                 break;
1442
1443         case LFUN_DIALOG_SHOW: {
1444                 string const name = func.getArg(0);
1445                 string data = trim(func.argument.substr(name.size()));
1446
1447                 if (name == "character") {
1448                         data = freefont2string();
1449                         if (!data.empty())
1450                                 owner->getDialogs().show("character", data);
1451                 } else if (name == "document")
1452                         owner->getDialogs().showDocument();
1453                 else if (name == "findreplace")
1454                         owner->getDialogs().showSearch();
1455                 else if (name == "forks")
1456                         owner->getDialogs().showForks();
1457                 else if (name == "preamble")
1458                         owner->getDialogs().showPreamble();
1459                 else if (name == "preferences")
1460                         owner->getDialogs().showPreferences();
1461                 else if (name == "print")
1462                         owner->getDialogs().showPrint();
1463                 else if (name == "spellchecker")
1464                         owner->getDialogs().showSpellchecker();
1465                 else
1466                         owner->getDialogs().show(name, data);
1467                 break;
1468         }
1469
1470         case LFUN_DIALOG_SHOW_NEW_INSET: {
1471                 string const & name = argument;
1472                 string data;
1473                 if (name == "bibitem" ||
1474                     name == "bibtex" ||
1475                     name == "include" ||
1476                     name == "index" ||
1477                     name == "ref" ||
1478                     name == "toc" ||
1479                     name == "url") {
1480                         InsetCommandParams p(name);
1481                         data = InsetCommandMailer::params2string(name, p);
1482                 } else if (name == "citation") {
1483                         InsetCommandParams p("cite");
1484                         data = InsetCommandMailer::params2string(name, p);
1485                 }
1486                 owner->getDialogs().show(name, data, 0);
1487         }
1488         break;
1489
1490         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1491         }
1492         break;
1493
1494         case LFUN_INSET_DIALOG_SHOW: {
1495                 LyXText * lt = view()->getLyXText();
1496                 InsetOld * inset = lt->getInset();
1497                 if (inset) {
1498                         FuncRequest cmd(view(), LFUN_INSET_DIALOG_SHOW);
1499                         inset->localDispatch(cmd);
1500                 }
1501         }
1502         break;
1503
1504         case LFUN_DIALOG_UPDATE: {
1505                 string const & name = argument;
1506                 // Can only update a dialog connected to an existing inset
1507                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1508                 if (inset) {
1509                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1510                                        func.argument);
1511                         inset->localDispatch(fr);
1512                 } else if (name == "paragraph") {
1513                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1514                 }
1515         }
1516         break;
1517
1518         case LFUN_DIALOG_HIDE:
1519                 Dialogs::hide(argument, 0);
1520                 break;
1521
1522         case LFUN_DIALOG_DISCONNECT_INSET:
1523                 owner->getDialogs().disconnect(argument);
1524                 break;
1525
1526         case LFUN_CHILDOPEN:
1527         {
1528                 string const filename =
1529                         MakeAbsPath(argument,
1530                                     owner->buffer()->filePath());
1531                 setMessage(N_("Opening child document ") +
1532                            MakeDisplayPath(filename) + "...");
1533                 view()->savePosition(0);
1534                 if (bufferlist.exists(filename))
1535                         view()->buffer(bufferlist.getBuffer(filename));
1536                 else
1537                         view()->loadLyXFile(filename);
1538         }
1539         break;
1540
1541         case LFUN_TOGGLECURSORFOLLOW:
1542                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1543                 break;
1544
1545         case LFUN_KMAP_OFF:
1546                 owner->getIntl().KeyMapOn(false);
1547                 break;
1548
1549         case LFUN_KMAP_PRIM:
1550                 owner->getIntl().KeyMapPrim();
1551                 break;
1552
1553         case LFUN_KMAP_SEC:
1554                 owner->getIntl().KeyMapSec();
1555                 break;
1556
1557         case LFUN_KMAP_TOGGLE:
1558                 owner->getIntl().ToggleKeyMap();
1559                 break;
1560
1561         case LFUN_SEQUENCE:
1562         {
1563                 // argument contains ';'-terminated commands
1564                 while (!argument.empty()) {
1565                         string first;
1566                         argument = split(argument, first, ';');
1567                         dispatch(first);
1568                 }
1569         }
1570         break;
1571
1572         case LFUN_SAVEPREFERENCES:
1573         {
1574                 Path p(user_lyxdir());
1575                 lyxrc.write("preferences");
1576         }
1577         break;
1578
1579         case LFUN_SCREEN_FONT_UPDATE:
1580         {
1581                 // handle the screen font changes.
1582                 lyxrc.set_font_norm_type();
1583                 lyx_gui::update_fonts();
1584                 // We also need to empty the textcache so that
1585                 // the buffer will be formatted correctly after
1586                 // a zoom change.
1587                 textcache.clear();
1588                 // Of course we should only do the resize and the textcache.clear
1589                 // if values really changed...but not very important right now. (Lgb)
1590                 // All visible buffers will need resize
1591                 view()->resize();
1592                 view()->update();
1593         }
1594         break;
1595
1596         case LFUN_SET_COLOR:
1597         {
1598                 string lyx_name;
1599                 string const x11_name = split(argument, lyx_name, ' ');
1600                 if (lyx_name.empty() || x11_name.empty()) {
1601                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1602                                                 " <x11_name>"));
1603                         break;
1604                         }
1605
1606                 bool const graphicsbg_changed =
1607                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1608                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1609
1610                 if (!lcolor.setColor(lyx_name, x11_name)) {
1611                         setErrorMessage(
1612                                 bformat(_("Set-color \"%1$s\" failed "
1613                                                   "- color is undefined or "
1614                                                   "may not be redefined"), lyx_name));
1615                         break;
1616                 }
1617
1618                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1619
1620                 if (graphicsbg_changed) {
1621 #ifdef WITH_WARNINGS
1622 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1623 #endif
1624 #if 0
1625                         lyx::graphics::GCache & gc =
1626                                 lyx::graphics::GCache::get();
1627                         gc.changeDisplay(true);
1628 #endif
1629                 }
1630
1631                 view()->update();
1632                 break;
1633         }
1634
1635         case LFUN_MESSAGE:
1636                 owner->message(argument);
1637                 break;
1638
1639         case LFUN_FORKS_KILL:
1640         {
1641                 if (!isStrInt(argument))
1642                         break;
1643
1644                 pid_t const pid = strToInt(argument);
1645                 ForkedcallsController & fcc = ForkedcallsController::get();
1646                 fcc.kill(pid);
1647                 break;
1648         }
1649
1650         case LFUN_TOOLTIPS_TOGGLE:
1651                 owner->getDialogs().toggleTooltips();
1652                 break;
1653
1654         case LFUN_EXTERNAL_EDIT: {
1655                 InsetExternal()
1656                         .localDispatch(FuncRequest(view(), action, argument));
1657                 break;
1658         }
1659
1660         default:
1661                 // Then if it was none of the above
1662                 // Trying the BufferView::pimpl dispatch:
1663                 if (!view()->dispatch(func))
1664                         lyxerr << "A truly unknown func ["
1665                                << lyxaction.getActionName(func.action) << "]!"
1666                                << endl;
1667                 break;
1668         } // end of switch
1669
1670 exit_with_message:
1671
1672         view()->owner()->updateLayoutChoice();
1673
1674         if (view()->available()) {
1675                 if (view()->fitCursor()) {
1676                         //lyxerr << "LyXFunc->fitCursor->update" << endl;
1677                         view()->update();
1678                 }
1679
1680                 // If we executed a mutating lfun, mark the buffer as dirty
1681                 if (!getStatus(func).disabled()
1682                     && !lyxaction.funcHasFlag(func.action, LyXAction::NoBuffer)
1683                     && !lyxaction.funcHasFlag(func.action, LyXAction::ReadOnly))
1684                         view()->buffer()->markDirty();
1685         }
1686
1687         sendDispatchMessage(getMessage(), func, verbose);
1688 }
1689
1690
1691 void LyXFunc::sendDispatchMessage(string const & msg,
1692                                   FuncRequest const & func, bool verbose)
1693 {
1694         owner->updateMenubar();
1695         owner->updateToolbar();
1696
1697         if (func.action == LFUN_SELFINSERT || !verbose) {
1698                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1699                 if (!msg.empty())
1700                         owner->message(msg);
1701                 return;
1702         }
1703
1704         string dispatch_msg = msg;
1705         if (!dispatch_msg.empty())
1706                 dispatch_msg += ' ';
1707
1708         string comname = lyxaction.getActionName(func.action);
1709
1710         bool argsadded = false;
1711
1712         if (!func.argument.empty()) {
1713                 if (func.action != LFUN_UNKNOWN_ACTION) {
1714                         comname += ' ' + func.argument;
1715                         argsadded = true;
1716                 }
1717         }
1718
1719         string const shortcuts = toplevel_keymap->findbinding(func);
1720
1721         if (!shortcuts.empty()) {
1722                 comname += ": " + shortcuts;
1723         } else if (!argsadded && !func.argument.empty()) {
1724                 comname += ' ' + func.argument;
1725         }
1726
1727         if (!comname.empty()) {
1728                 comname = rtrim(comname);
1729                 dispatch_msg += '(' + comname + ')';
1730         }
1731
1732         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1733         if (!dispatch_msg.empty())
1734                 owner->message(dispatch_msg);
1735 }
1736
1737
1738 void LyXFunc::setupLocalKeymap()
1739 {
1740         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1741         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1742 }
1743
1744
1745 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1746 {
1747         string initpath = lyxrc.document_path;
1748         string filename(name);
1749
1750         if (view()->available()) {
1751                 string const trypath = owner->buffer()->filePath();
1752                 // If directory is writeable, use this as default.
1753                 if (IsDirWriteable(trypath))
1754                         initpath = trypath;
1755         }
1756
1757         static int newfile_number;
1758
1759         if (filename.empty()) {
1760                 filename = AddName(lyxrc.document_path,
1761                             "newfile" + tostr(++newfile_number) + ".lyx");
1762                 FileInfo fi(filename);
1763                 while (bufferlist.exists(filename) || fi.readable()) {
1764                         ++newfile_number;
1765                         filename = AddName(lyxrc.document_path,
1766                                     "newfile" + tostr(newfile_number) +
1767                                     ".lyx");
1768                         fi.newFile(filename);
1769                 }
1770         }
1771
1772         // The template stuff
1773         string templname;
1774         if (fromTemplate) {
1775                 FileDialog fileDlg(_("Select template file"),
1776                         LFUN_SELECT_FILE_SYNC,
1777                         make_pair(string(_("Documents|#o#O")),
1778                                   string(lyxrc.document_path)),
1779                         make_pair(string(_("Templates|#T#t")),
1780                                   string(lyxrc.template_path)));
1781
1782                 FileDialog::Result result =
1783                         fileDlg.open(lyxrc.template_path,
1784                                        _("*.lyx| LyX Documents (*.lyx)"));
1785
1786                 if (result.first == FileDialog::Later)
1787                         return;
1788
1789                 string const fname = result.second;
1790
1791                 if (fname.empty())
1792                         return;
1793                 templname = fname;
1794         }
1795
1796         view()->newFile(filename, templname, !name.empty());
1797 }
1798
1799
1800 void LyXFunc::open(string const & fname)
1801 {
1802         string initpath = lyxrc.document_path;
1803
1804         if (view()->available()) {
1805                 string const trypath = owner->buffer()->filePath();
1806                 // If directory is writeable, use this as default.
1807                 if (IsDirWriteable(trypath))
1808                         initpath = trypath;
1809         }
1810
1811         string filename;
1812
1813         if (fname.empty()) {
1814                 FileDialog fileDlg(_("Select document to open"),
1815                         LFUN_FILE_OPEN,
1816                         make_pair(string(_("Documents|#o#O")),
1817                                   string(lyxrc.document_path)),
1818                         make_pair(string(_("Examples|#E#e")),
1819                                   string(AddPath(system_lyxdir(), "examples"))));
1820
1821                 FileDialog::Result result =
1822                         fileDlg.open(initpath,
1823                                        _("*.lyx| LyX Documents (*.lyx)"));
1824
1825                 if (result.first == FileDialog::Later)
1826                         return;
1827
1828                 filename = result.second;
1829
1830                 // check selected filename
1831                 if (filename.empty()) {
1832                         owner->message(_("Canceled."));
1833                         return;
1834                 }
1835         } else
1836                 filename = fname;
1837
1838         // get absolute path of file and add ".lyx" to the filename if
1839         // necessary
1840         string const fullpath = FileSearch(string(), filename, "lyx");
1841         if (!fullpath.empty()) {
1842                 filename = fullpath;
1843         }
1844
1845         string const disp_fn(MakeDisplayPath(filename));
1846
1847         // if the file doesn't exist, let the user create one
1848         FileInfo const f(filename, true);
1849         if (!f.exist()) {
1850                 // the user specifically chose this name. Believe them.
1851                 view()->newFile(filename, "", true);
1852                 return;
1853         }
1854
1855         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1856
1857         string str2;
1858         if (view()->loadLyXFile(filename)) {
1859                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1860         } else {
1861                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1862         }
1863         owner->message(str2);
1864 }
1865
1866
1867 void LyXFunc::doImport(string const & argument)
1868 {
1869         string format;
1870         string filename = split(argument, format, ' ');
1871
1872         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1873                             << " file: " << filename << endl;
1874
1875         // need user interaction
1876         if (filename.empty()) {
1877                 string initpath = lyxrc.document_path;
1878
1879                 if (view()->available()) {
1880                         string const trypath = owner->buffer()->filePath();
1881                         // If directory is writeable, use this as default.
1882                         if (IsDirWriteable(trypath))
1883                                 initpath = trypath;
1884                 }
1885
1886                 string const text = bformat(_("Select %1$s file to import"),
1887                         formats.prettyName(format));
1888
1889                 FileDialog fileDlg(text,
1890                         LFUN_IMPORT,
1891                         make_pair(string(_("Documents|#o#O")),
1892                                   string(lyxrc.document_path)),
1893                         make_pair(string(_("Examples|#E#e")),
1894                                   string(AddPath(system_lyxdir(), "examples"))));
1895
1896                 string const extension = "*." + formats.extension(format)
1897                         + "| " + formats.prettyName(format)
1898                         + " (*." + formats.extension(format) + ')';
1899
1900                 FileDialog::Result result = fileDlg.open(initpath,
1901                                                            extension);
1902
1903                 if (result.first == FileDialog::Later)
1904                         return;
1905
1906                 filename = result.second;
1907
1908                 // check selected filename
1909                 if (filename.empty())
1910                         owner->message(_("Canceled."));
1911         }
1912
1913         if (filename.empty())
1914                 return;
1915
1916         // get absolute path of file
1917         filename = MakeAbsPath(filename);
1918
1919         string const lyxfile = ChangeExtension(filename, ".lyx");
1920
1921         // Check if the document already is open
1922         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1923                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1924                         owner->message(_("Canceled."));
1925                         return;
1926                 }
1927         }
1928
1929         // if the file exists already, and we didn't do
1930         // -i lyx thefile.lyx, warn
1931         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1932                 string const file = MakeDisplayPath(lyxfile, 30);
1933
1934                 string text = bformat(_("The document %1$s already exists.\n\n"
1935                         "Do you want to over-write that document?"), file);
1936                 int const ret = Alert::prompt(_("Over-write document?"),
1937                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1938
1939                 if (ret == 1) {
1940                         owner->message(_("Canceled."));
1941                         return;
1942                 }
1943         }
1944
1945         Importer::Import(owner, filename, format);
1946 }
1947
1948
1949 void LyXFunc::closeBuffer()
1950 {
1951         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1952                 if (bufferlist.empty()) {
1953                         // need this otherwise SEGV may occur while
1954                         // trying to set variables that don't exist
1955                         // since there's no current buffer
1956                         owner->getDialogs().hideBufferDependent();
1957                 } else {
1958                         view()->buffer(bufferlist.first());
1959                 }
1960         }
1961 }
1962
1963
1964 // Each "owner" should have it's own message method. lyxview and
1965 // the minibuffer would use the minibuffer, but lyxserver would
1966 // send an ERROR signal to its client.  Alejandro 970603
1967 // This func is bit problematic when it comes to NLS, to make the
1968 // lyx servers client be language indepenent we must not translate
1969 // strings sent to this func.
1970 void LyXFunc::setErrorMessage(string const & m) const
1971 {
1972         dispatch_buffer = m;
1973         errorstat = true;
1974 }
1975
1976
1977 void LyXFunc::setMessage(string const & m) const
1978 {
1979         dispatch_buffer = m;
1980 }
1981
1982
1983 void LyXFunc::setStatusMessage(string const & m) const
1984 {
1985         status_buffer = m;
1986 }
1987
1988
1989 string const LyXFunc::view_status_message()
1990 {
1991         // When meta-fake key is pressed, show the key sequence so far + "M-".
1992         if (wasMetaKey()) {
1993                 return keyseq.print() + "M-";
1994         }
1995
1996         // Else, when a non-complete key sequence is pressed,
1997         // show the available options.
1998         if (keyseq.length() > 0 && !keyseq.deleted()) {
1999                 return keyseq.printOptions();
2000         }
2001
2002         if (!view()->available())
2003                 return _("Welcome to LyX!");
2004
2005         return currentState(view());
2006 }
2007
2008
2009 BufferView * LyXFunc::view() const
2010 {
2011         BOOST_ASSERT(owner);
2012         return owner->view().get();
2013 }
2014
2015
2016 bool LyXFunc::wasMetaKey() const
2017 {
2018         return (meta_fake_bit != key_modifier::none);
2019 }