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
  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 #include "support/std_sstream.h"
  76 #include "support/os.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 using lyx::support::prefixIs;
 109 using lyx::support::os::getTmpDir;
 110
 111 using std::endl;
 112 using std::make_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 extern void ShowLatexLog();
 127
 128
 129 LyXFunc::LyXFunc(LyXView * o)
 130         : owner(o),
 131         encoded_last_key(0),
 132         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 133         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 134         meta_fake_bit(key_modifier::none)
 135 {
 136 }
 137
 138
 139 void LyXFunc::moveCursorUpdate()
 140 {
 141         LyXText * lt = view()->text;
 142         if (lt->selection.mark())
 143                 lt->setSelection();
 144         view()->update();
 145         view()->switchKeyMap();
 146 }
 147
 148
 149 void LyXFunc::handleKeyFunc(kb_action action)
 150 {
 151         char c = encoded_last_key;
 152
 153         if (keyseq.length()) {
 154                 c = 0;
 155         }
 156
 157         owner->getIntl().getTransManager()
 158                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 159         // Need to clear, in case the minibuffer calls these
 160         // actions
 161         keyseq.clear();
 162         // copied verbatim from do_accent_char
 163         view()->update();
 164         view()->getLyXText()->selection.cursor = view()->getLyXText()->cursor;
 165 }
 166
 167
 168 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 169                             key_modifier::state state)
 170 {
 171         string argument;
 172
 173         if (lyxerr.debugging(Debug::KEY)) {
 174                 lyxerr << "KeySym is "
 175                        << keysym->getSymbolName()
 176                        << endl;
 177         }
 178
 179         // Do nothing if we have nothing (JMarc)
 180         if (!keysym->isOK()) {
 181                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 182                                    << endl;
 183                 return;
 184         }
 185
 186         if (keysym->isModifier()) {
 187                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 188                 return;
 189         }
 190
 191         Encoding const * encoding = view()->getEncoding();
 192
 193         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 194
 195         // Do a one-deep top-level lookup for
 196         // cancel and meta-fake keys. RVDK_PATCH_5
 197         cancel_meta_seq.reset();
 198
 199         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 200         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 201
 202         // When not cancel or meta-fake, do the normal lookup.
 203         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 204         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 205         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 206                 // remove Caps Lock and Mod2 as a modifiers
 207                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 208                 lyxerr[Debug::KEY] << "action now set to ["
 209                         << func.action << ']' << endl;
 210         }
 211
 212         // Dont remove this unless you know what you are doing.
 213         meta_fake_bit = key_modifier::none;
 214
 215         // can this happen now ?
 216         if (func.action == LFUN_NOACTION) {
 217                 func = FuncRequest(LFUN_PREFIX);
 218         }
 219
 220         if (lyxerr.debugging(Debug::KEY)) {
 221                 lyxerr << "Key [action="
 222                        << func.action << "]["
 223                        << keyseq.print() << ']'
 224                        << endl;
 225         }
 226
 227         // already here we know if it any point in going further
 228         // why not return already here if action == -1 and
 229         // num_bytes == 0? (Lgb)
 230
 231         if (keyseq.length() > 1) {
 232                 owner->message(keyseq.print());
 233         }
 234
 235
 236         // Maybe user can only reach the key via holding down shift.
 237         // Let's see. But only if shift is the only modifier
 238         if (func.action == LFUN_UNKNOWN_ACTION &&
 239             state == key_modifier::shift) {
 240                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 241                 func = keyseq.addkey(keysym, key_modifier::none);
 242                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 243         }
 244
 245         if (func.action == LFUN_UNKNOWN_ACTION) {
 246                 // Hmm, we didn't match any of the keysequences. See
 247                 // if it's normal insertable text not already covered
 248                 // by a binding
 249                 if (keysym->isText() && keyseq.length() == 1) {
 250                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 251                         func = FuncRequest(LFUN_SELFINSERT);
 252                 } else {
 253                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 254                         owner->message(_("Unknown function."));
 255                         return;
 256                 }
 257         }
 258
 259         if (func.action == LFUN_SELFINSERT) {
 260                 if (encoded_last_key != 0) {
 261                         string arg;
 262                         arg += encoded_last_key;
 263
 264                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 265
 266                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 267                                    << argument << "']" << endl;
 268                 }
 269         } else {
 270                 dispatch(func);
 271         }
 272 }
 273
 274
 275 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 276 {
 277         FuncStatus flag;
 278         Buffer * buf = owner->buffer();
 279
 280         if (ev.action == LFUN_NOACTION) {
 281                 setStatusMessage(N_("Nothing to do"));
 282                 flag.disabled(true);
 283                 return flag;
 284         }
 285
 286         switch (ev.action) {
 287         case LFUN_UNKNOWN_ACTION:
 288 #ifndef HAVE_LIBAIKSAURUS
 289         case LFUN_THESAURUS_ENTRY:
 290 #endif
 291                 flag.unknown(true);
 292                 flag.disabled(true);
 293                 break;
 294         default:
 295                 flag |= lyx_gui::getStatus(ev);
 296         }
 297
 298         if (flag.unknown()) {
 299                 setStatusMessage(N_("Unknown action"));
 300                 return flag;
 301         }
 302
 303         // the default error message if we disable the command
 304         setStatusMessage(N_("Command disabled"));
 305
 306         // Check whether we need a buffer
 307         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 308                 // Yes we need a buffer, do we have one?
 309                 if (buf) {
 310                         // yes
 311                         // Can we use a readonly buffer?
 312                         if (buf->isReadonly() &&
 313                             !lyxaction.funcHasFlag(ev.action,
 314                                                    LyXAction::ReadOnly)) {
 315                                 // no
 316                                 setStatusMessage(N_("Document is read-only"));
 317                                 flag.disabled(true);
 318                         }
 319                 } else {
 320                         // no
 321                         setStatusMessage(N_("Command not allowed with"
 322                                             "out any document open"));
 323                         flag.disabled(true);
 324                         return flag;
 325                 }
 326         }
 327
 328         UpdatableInset * tli = view()->theLockingInset();
 329
 330         // I would really like to avoid having this switch and rather try to
 331         // encode this in the function itself.
 332         bool disable = false;
 333         switch (ev.action) {
 334         case LFUN_EXPORT:
 335                 disable = ev.argument != "custom"
 336                         && !Exporter::IsExportable(*buf, ev.argument);
 337                 break;
 338         case LFUN_UNDO:
 339                 disable = buf->undostack().empty();
 340                 break;
 341         case LFUN_REDO:
 342                 disable = buf->redostack().empty();
 343                 break;
 344         case LFUN_CUT:
 345         case LFUN_COPY:
 346                 if (tli) {
 347                         UpdatableInset * in = tli;
 348                         if (in->lyxCode() != InsetOld::TABULAR_CODE) {
 349                                 in = tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE);
 350                         }
 351                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 352                                 disable = false;
 353                                 break;
 354                         }
 355                 }
 356                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 357                 break;
 358         case LFUN_RUNCHKTEX:
 359                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 360                 break;
 361         case LFUN_BUILDPROG:
 362                 disable = !Exporter::IsExportable(*buf, "program");
 363                 break;
 364
 365         case LFUN_LAYOUT_TABULAR:
 366                 disable = !tli
 367                         || (tli->lyxCode() != InsetOld::TABULAR_CODE
 368                             && !tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
 369                 break;
 370
 371         case LFUN_DEPTH_MIN:
 372                 disable = !changeDepth(view(), view()->getLyXText(), DEC_DEPTH, true);
 373                 break;
 374
 375         case LFUN_DEPTH_PLUS:
 376                 disable = !changeDepth(view(), view()->getLyXText(), INC_DEPTH, true);
 377                 break;
 378
 379         case LFUN_LAYOUT:
 380         case LFUN_LAYOUT_PARAGRAPH: {
 381                 InsetOld * inset = view()->getLyXText()->cursorPar()->inInset();
 382                 disable = inset && inset->forceDefaultParagraphs(inset);
 383                 break;
 384         }
 385
 386         case LFUN_INSET_OPTARG:
 387                 disable = (view()->getLyXText()->cursorPar()->layout()->optionalargs == 0);
 388                 break;
 389
 390         case LFUN_TABULAR_FEATURE:
 391                 if (mathcursor) {
 392 #if 0
 393                         // FIXME: check temporarily disabled
 394                         // valign code
 395                         char align = mathcursor->valign();
 396                         if (align == '\0') {
 397                                 disable = true;
 398                                 break;
 399                         }
 400                         if (ev.argument.empty()) {
 401                                 flag.clear();
 402                                 break;
 403                         }
 404                         if (!contains("tcb", ev.argument[0])) {
 405                                 disable = true;
 406                                 break;
 407                         }
 408                         flag.setOnOff(ev.argument[0] == align);
 409                 } else {
 410                         disable = true;
 411
 412                         char align = mathcursor->halign();
 413                         if (align == '\0') {
 414                                 disable = true;
 415                                 break;
 416                         }
 417                         if (ev.argument.empty()) {
 418                                 flag.clear();
 419                                 break;
 420                         }
 421                         if (!contains("lcr", ev.argument[0])) {
 422                                 disable = true;
 423                                 break;
 424                         }
 425                         flag.setOnOff(ev.argument[0] == align);
 426 #endif
 427
 428                         disable = !mathcursor->halign();
 429                         break;
 430                 }
 431
 432                 if (tli) {
 433                         FuncStatus ret;
 434                         //ret.disabled(true);
 435                         if (tli->lyxCode() == InsetOld::TABULAR_CODE) {
 436                                 ret = static_cast<InsetTabular *>(tli)
 437                                         ->getStatus(ev.argument);
 438                                 flag |= ret;
 439                                 disable = false;
 440                         } else if (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)) {
 441                                 ret = static_cast<InsetTabular *>
 442                                         (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE))
 443                                         ->getStatus(ev.argument);
 444                                 flag |= ret;
 445                                 disable = false;
 446                         } else {
 447                                 disable = true;
 448                         }
 449                 } else {
 450                         static InsetTabular inset(*buf, 1, 1);
 451                         disable = true;
 452                         FuncStatus ret = inset.getStatus(ev.argument);
 453                         if (ret.onoff(true) || ret.onoff(false))
 454                                 flag.setOnOff(false);
 455                 }
 456                 break;
 457
 458         case LFUN_VC_REGISTER:
 459                 disable = buf->lyxvc().inUse();
 460                 break;
 461         case LFUN_VC_CHECKIN:
 462                 disable = !buf->lyxvc().inUse() || buf->isReadonly();
 463                 break;
 464         case LFUN_VC_CHECKOUT:
 465                 disable = !buf->lyxvc().inUse() || !buf->isReadonly();
 466                 break;
 467         case LFUN_VC_REVERT:
 468         case LFUN_VC_UNDO:
 469                 disable = !buf->lyxvc().inUse();
 470                 break;
 471         case LFUN_MENURELOAD:
 472                 disable = buf->isUnnamed() || buf->isClean();
 473                 break;
 474         case LFUN_BOOKMARK_GOTO:
 475                 disable = !view()->
 476                         isSavedPosition(strToUnsignedInt(ev.argument));
 477                 break;
 478
 479         case LFUN_MERGE_CHANGES:
 480         case LFUN_ACCEPT_CHANGE:
 481         case LFUN_REJECT_CHANGE:
 482         case LFUN_ACCEPT_ALL_CHANGES:
 483         case LFUN_REJECT_ALL_CHANGES:
 484                 disable = !buf->params().tracking_changes;
 485                 break;
 486
 487         case LFUN_INSET_TOGGLE: {
 488                 LyXText * lt = view()->getLyXText();
 489                 disable = !(isEditableInset(lt->getInset())
 490                             || (lt->inset_owner
 491                                 && lt->inset_owner->owner()
 492                                 && lt->inset_owner->owner()->isOpen()));
 493                 break;
 494         }
 495
 496         case LFUN_INSET_SETTINGS: {
 497                 disable = true;
 498                 UpdatableInset * inset = view()->theLockingInset();
 499
 500                 if (!inset)
 501                         break;
 502
 503                 // get the innermost inset
 504                 inset = inset->getLockingInset();
 505
 506                 // jump back to owner if an InsetText, so
 507                 // we get back to the InsetTabular or whatever
 508                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 509                         inset = inset->owner();
 510
 511                 InsetOld::Code code = inset->lyxCode();
 512                 switch (code) {
 513                         case InsetOld::TABULAR_CODE:
 514                                 disable = ev.argument != "tabular";
 515                                 break;
 516                         case InsetOld::ERT_CODE:
 517                                 disable = ev.argument != "ert";
 518                                 break;
 519                         case InsetOld::FLOAT_CODE:
 520                                 disable = ev.argument != "float";
 521                                 break;
 522                         case InsetOld::MINIPAGE_CODE:
 523                                 disable = ev.argument != "minipage";
 524                                 break;
 525                         case InsetOld::WRAP_CODE:
 526                                 disable = ev.argument != "wrap";
 527                                 break;
 528                         case InsetOld::NOTE_CODE:
 529                                 disable = ev.argument != "note";
 530                                 break;
 531                         case InsetOld::BRANCH_CODE:
 532                                 disable = ev.argument != "branch";
 533                                 break;
 534                         case InsetOld::BOX_CODE:
 535                                 disable = ev.argument != "box";
 536                                 break;
 537                         default:
 538                                 break;
 539                 }
 540                 break;
 541         }
 542
 543         case LFUN_MATH_MUTATE:
 544                 if (mathcursor)
 545                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 546                         flag.setOnOff(false);
 547                 else
 548                         disable = true;
 549                 break;
 550
 551         // we just need to be in math mode to enable that
 552         case LFUN_MATH_SIZE:
 553         case LFUN_MATH_SPACE:
 554         case LFUN_MATH_LIMITS:
 555         case LFUN_MATH_NONUMBER:
 556         case LFUN_MATH_NUMBER:
 557         case LFUN_MATH_EXTERN:
 558                 disable = !mathcursor;
 559                 break;
 560
 561         case LFUN_DIALOG_SHOW: {
 562                 string const name = ev.getArg(0);
 563                 if (!buf) {
 564                         disable = !(name == "aboutlyx" ||
 565                                     name == "file" ||
 566                                     name == "forks" ||
 567                                     name == "preferences" ||
 568                                     name == "texinfo");
 569                         break;
 570                 }
 571
 572                 if (name == "print") {
 573                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 574                                 lyxrc.print_command == "none";
 575                 } else if (name == "character") {
 576                         UpdatableInset * tli = view()->theLockingInset();
 577                         disable = tli && tli->lyxCode() == InsetOld::ERT_CODE;
 578                 } else if (name == "vclog") {
 579                         disable = !buf->lyxvc().inUse();
 580                 } else if (name == "latexlog") {
 581                         disable = !IsFileReadable(buf->getLogName().second);
 582                 }
 583                 break;
 584         }
 585
 586         default:
 587                 break;
 588         }
 589
 590         // the functions which insert insets
 591         InsetOld::Code code = InsetOld::NO_CODE;
 592         switch (ev.action) {
 593         case LFUN_DIALOG_SHOW_NEW_INSET:
 594                 if (ev.argument == "bibitem")
 595                         code = InsetOld::BIBITEM_CODE;
 596                 else if (ev.argument == "bibtex")
 597                         code = InsetOld::BIBTEX_CODE;
 598                 else if (ev.argument == "citation")
 599                         code = InsetOld::CITE_CODE;
 600                 else if (ev.argument == "ert")
 601                         code = InsetOld::ERT_CODE;
 602                 else if (ev.argument == "external")
 603                         code = InsetOld::EXTERNAL_CODE;
 604                 else if (ev.argument == "float")
 605                         code = InsetOld::FLOAT_CODE;
 606                 else if (ev.argument == "graphics")
 607                         code = InsetOld::GRAPHICS_CODE;
 608                 else if (ev.argument == "include")
 609                         code = InsetOld::INCLUDE_CODE;
 610                 else if (ev.argument == "index")
 611                         code = InsetOld::INDEX_CODE;
 612                 else if (ev.argument == "label")
 613                         code = InsetOld::LABEL_CODE;
 614                 else if (ev.argument == "minipage")
 615                         code = InsetOld::MINIPAGE_CODE;
 616                 else if (ev.argument == "ref")
 617                         code = InsetOld::REF_CODE;
 618                 else if (ev.argument == "toc")
 619                         code = InsetOld::TOC_CODE;
 620                 else if (ev.argument == "url")
 621                         code = InsetOld::URL_CODE;
 622                 else if (ev.argument == "wrap")
 623                         code = InsetOld::WRAP_CODE;
 624                 break;
 625
 626         case LFUN_INSET_ERT:
 627                 code = InsetOld::ERT_CODE;
 628                 break;
 629         case LFUN_INSET_FOOTNOTE:
 630                 code = InsetOld::FOOT_CODE;
 631                 break;
 632         case LFUN_TABULAR_INSERT:
 633                 code = InsetOld::TABULAR_CODE;
 634                 break;
 635         case LFUN_INSET_MARGINAL:
 636                 code = InsetOld::MARGIN_CODE;
 637                 break;
 638         case LFUN_INSET_MINIPAGE:
 639                 code = InsetOld::MINIPAGE_CODE;
 640                 break;
 641         case LFUN_INSET_FLOAT:
 642         case LFUN_INSET_WIDE_FLOAT:
 643                 code = InsetOld::FLOAT_CODE;
 644                 break;
 645         case LFUN_INSET_WRAP:
 646                 code = InsetOld::WRAP_CODE;
 647                 break;
 648         case LFUN_FLOAT_LIST:
 649                 code = InsetOld::FLOAT_LIST_CODE;
 650                 break;
 651 #if 0
 652         case LFUN_INSET_LIST:
 653                 code = InsetOld::LIST_CODE;
 654                 break;
 655         case LFUN_INSET_THEOREM:
 656                 code = InsetOld::THEOREM_CODE;
 657                 break;
 658 #endif
 659         case LFUN_INSET_CAPTION:
 660                 code = InsetOld::CAPTION_CODE;
 661                 break;
 662         case LFUN_INSERT_NOTE:
 663                 code = InsetOld::NOTE_CODE;
 664                 break;
 665         case LFUN_INSERT_BOX:
 666                 code = InsetOld::BOX_CODE;
 667                 break;
 668         case LFUN_INSERT_BRANCH:
 669                 code = InsetOld::BRANCH_CODE;
 670                 if (buf->params().branchlist().empty())
 671                         disable = true;
 672                 break;
 673         case LFUN_INSERT_LABEL:
 674                 code = InsetOld::LABEL_CODE;
 675                 break;
 676         case LFUN_INSET_OPTARG:
 677                 code = InsetOld::OPTARG_CODE;
 678                 break;
 679         case LFUN_ENVIRONMENT_INSERT:
 680                 code = InsetOld::MINIPAGE_CODE;
 681                 break;
 682         case LFUN_INDEX_INSERT:
 683                 code = InsetOld::INDEX_CODE;
 684                 break;
 685         case LFUN_INDEX_PRINT:
 686                 code = InsetOld::INDEX_PRINT_CODE;
 687                 break;
 688         case LFUN_TOC_INSERT:
 689                 code = InsetOld::TOC_CODE;
 690                 break;
 691         case LFUN_HTMLURL:
 692         case LFUN_URL:
 693                 code = InsetOld::URL_CODE;
 694                 break;
 695         case LFUN_QUOTE:
 696                 // always allow this, since we will inset a raw quote
 697                 // if an inset is not allowed.
 698                 break;
 699         case LFUN_HYPHENATION:
 700         case LFUN_LIGATURE_BREAK:
 701         case LFUN_HFILL:
 702         case LFUN_MENU_SEPARATOR:
 703         case LFUN_LDOTS:
 704         case LFUN_END_OF_SENTENCE:
 705                 code = InsetOld::SPECIALCHAR_CODE;
 706                 break;
 707         case LFUN_SPACE_INSERT:
 708                 // slight hack: we know this is allowed in math mode
 709                 if (!mathcursor)
 710                         code = InsetOld::SPACE_CODE;
 711                 break;
 712         case LFUN_INSET_DIALOG_SHOW: {
 713                 InsetOld * inset = view()->getLyXText()->getInset();
 714                 disable = !inset;
 715                 if (!disable) {
 716                         code = inset->lyxCode();
 717                         if (!(code == InsetOld::INCLUDE_CODE
 718                                 || code == InsetOld::BIBTEX_CODE
 719                                 || code == InsetOld::FLOAT_LIST_CODE
 720                                 || code == InsetOld::TOC_CODE))
 721                                 disable = true;
 722                 }
 723                 break;
 724         }
 725         default:
 726                 break;
 727         }
 728         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 729                 disable = true;
 730
 731         if (disable)
 732                 flag.disabled(true);
 733
 734         // A few general toggles
 735         switch (ev.action) {
 736         case LFUN_TOOLTIPS_TOGGLE:
 737                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 738                 break;
 739
 740         case LFUN_READ_ONLY_TOGGLE:
 741                 flag.setOnOff(buf->isReadonly());
 742                 break;
 743         case LFUN_APPENDIX:
 744                 flag.setOnOff(view()->getLyXText()->cursorPar()->params().startOfAppendix());
 745                 break;
 746         case LFUN_SWITCHBUFFER:
 747                 // toggle on the current buffer, but do not toggle off
 748                 // the other ones (is that a good idea?)
 749                 if (ev.argument == buf->fileName())
 750                         flag.setOnOff(true);
 751                 break;
 752         case LFUN_TRACK_CHANGES:
 753                 flag.setOnOff(buf->params().tracking_changes);
 754                 break;
 755         default:
 756                 break;
 757         }
 758
 759         // the font related toggles
 760         if (!mathcursor) {
 761                 LyXFont const & font = view()->getLyXText()->real_current_font;
 762                 switch (ev.action) {
 763                 case LFUN_EMPH:
 764                         flag.setOnOff(font.emph() == LyXFont::ON);
 765                         break;
 766                 case LFUN_NOUN:
 767                         flag.setOnOff(font.noun() == LyXFont::ON);
 768                         break;
 769                 case LFUN_BOLD:
 770                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 771                         break;
 772                 case LFUN_SANS:
 773                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 774                         break;
 775                 case LFUN_ROMAN:
 776                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 777                         break;
 778                 case LFUN_CODE:
 779                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 780                         break;
 781                 default:
 782                         break;
 783                 }
 784         } else {
 785                 string tc = mathcursor->getLastCode();
 786                 switch (ev.action) {
 787                 case LFUN_BOLD:
 788                         flag.setOnOff(tc == "mathbf");
 789                         break;
 790                 case LFUN_SANS:
 791                         flag.setOnOff(tc == "mathsf");
 792                         break;
 793                 case LFUN_EMPH:
 794                         flag.setOnOff(tc == "mathcal");
 795                         break;
 796                 case LFUN_ROMAN:
 797                         flag.setOnOff(tc == "mathrm");
 798                         break;
 799                 case LFUN_CODE:
 800                         flag.setOnOff(tc == "mathtt");
 801                         break;
 802                 case LFUN_NOUN:
 803                         flag.setOnOff(tc == "mathbb");
 804                         break;
 805                 case LFUN_DEFAULT:
 806                         flag.setOnOff(tc == "mathnormal");
 807                         break;
 808                 default:
 809                         break;
 810                 }
 811         }
 812
 813         // this one is difficult to get right. As a half-baked
 814         // solution, we consider only the first action of the sequence
 815         if (ev.action == LFUN_SEQUENCE) {
 816                 // argument contains ';'-terminated commands
 817 #warning LyXAction arguments not handled here.
 818                 flag = getStatus(FuncRequest(lyxaction.lookupFunc(token(ev.argument, ';', 0))));
 819         }
 820
 821         return flag;
 822 }
 823
 824
 825 namespace {
 826
 827 bool ensureBufferClean(BufferView * bv)
 828 {
 829         Buffer & buf = *bv->buffer();
 830         if (buf.isClean())
 831                 return true;
 832
 833         string const file = MakeDisplayPath(buf.fileName(), 30);
 834         string text = bformat(_("The document %1$s has unsaved "
 835                                 "changes.\n\nDo you want to save "
 836                                 "the document?"), file);
 837         int const ret = Alert::prompt(_("Save changed document?"),
 838                                       text, 0, 1, _("&Save"),
 839                                       _("&Cancel"));
 840
 841         if (ret == 0)
 842                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 843
 844         return buf.isClean();
 845 }
 846
 847 } //namespace anon
 848
 849
 850 void LyXFunc::dispatch(FuncRequest const & func, bool verbose)
 851 {
 852         string argument = func.argument;
 853         kb_action action = func.action;
 854
 855         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << action
 856                               <<"] arg[" << argument << ']' << endl;
 857
 858         // we have not done anything wrong yet.
 859         errorstat = false;
 860         dispatch_buffer.erase();
 861
 862 #ifdef NEW_DISPATCHER
 863         // We try do call the most specific dispatcher first:
 864         //  1. the lockinginset's dispatch
 865         //  2. the bufferview's dispatch
 866         //  3. the lyxview's dispatch
 867 #endif
 868
 869         selection_possible = false;
 870
 871         // We cannot use this function here
 872         if (getStatus(func).disabled()) {
 873                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 874                        << lyxaction.getActionName(action)
 875                        << " [" << action << "] is disabled at this location"
 876                        << endl;
 877                 setErrorMessage(getStatusMessage());
 878                 goto exit_with_message;
 879         }
 880
 881         if (view()->available())
 882                 view()->hideCursor();
 883
 884 #if 1
 885         if (0) {
 886                 DispatchResult result =
 887                         view()->cursor().dispatch(FuncRequest(func, view()));
 888
 889                 if (result.dispatched()) {
 890                         if (result.update()) {
 891                                 view()->update();
 892                         }
 893                         lyxerr << "dispatched by Cursor::dispatch()\n";
 894                         goto exit_with_message;
 895                 }
 896                 lyxerr << "### NOT DispatchResult(true, true) BY Cursor::dispatch() ###\n";
 897         }
 898 #endif
 899
 900
 901         if (view()->available() && view()->theLockingInset()) {
 902                 DispatchResult result;
 903                 if (action > 1 || (action == LFUN_UNKNOWN_ACTION &&
 904                                      !keyseq.deleted()))
 905                 {
 906                         UpdatableInset * inset = view()->theLockingInset();
 907 #if 1
 908                         int inset_x;
 909                         int dummy_y;
 910                         inset->getCursorPos(view(), inset_x, dummy_y);
 911 #endif
 912                         if (action == LFUN_UNKNOWN_ACTION && argument.empty())
 913                                 argument = encoded_last_key;
 914
 915                         // the insets can't try to handle this,
 916                         // a table cell in the dummy position will
 917                         // lock its insettext, the insettext will
 918                         // pass it the bufferview, and succeed,
 919                         // so it will stay not locked. Not good
 920                         // if we've just done LFUN_ESCAPE (which
 921                         // injects an LFUN_PARAGRAPH_UPDATE)
 922                         if (action == LFUN_PARAGRAPH_UPDATE) {
 923                                 view()->dispatch(func);
 924                                 goto exit_with_message;
 925                         }
 926
 927                         // Undo/Redo is a bit tricky for insets.
 928                         if (action == LFUN_UNDO) {
 929                                 view()->undo();
 930                                 goto exit_with_message;
 931                         }
 932
 933                         if (action == LFUN_REDO) {
 934                                 view()->redo();
 935                                 goto exit_with_message;
 936                         }
 937
 938                         // Hand-over to inset's own dispatch:
 939                         result = inset->dispatch(FuncRequest(view(), action, argument));
 940                         if (result.dispatched()) {
 941                                 if (result.update())
 942                                         view()->update();
 943
 944                                 goto exit_with_message;
 945                         }
 946
 947                         // If DispatchResult(false), just soldier on
 948                         if (result.val() == FINISHED) {
 949                                 owner->clearMessage();
 950                                 goto exit_with_message;
 951                                 // We do not need special RTL handling here:
 952                                 // FINISHED means that the cursor should be
 953                                 // one position after the inset.
 954                         }
 955
 956                         if (result.val() == FINISHED_RIGHT) {
 957                                 view()->text->cursorRight(view());
 958                                 moveCursorUpdate();
 959                                 owner->clearMessage();
 960                                 goto exit_with_message;
 961                         }
 962
 963                         if (result.val() == FINISHED_UP) {
 964                                 LyXText * text = view()->text;
 965                                 ParagraphList::iterator pit = text->cursorPar();
 966                                 Row const & row = *pit->getRow(text->cursor.pos());
 967                                 if (text->isFirstRow(pit, row)) {
 968 #if 1
 969                                         text->setCursorFromCoordinates(
 970                                                 text->cursor.x() + inset_x,
 971                                                 text->cursor.y() -
 972                                                 row.baseline() - 1);
 973                                         view()->x_target(text->cursor.x());
 974 #else
 975                                         text->cursorUp(view());
 976 #endif
 977                                         moveCursorUpdate();
 978                                 } else {
 979                                         view()->update();
 980                                 }
 981                                 owner->clearMessage();
 982                                 goto exit_with_message;
 983                         }
 984
 985                         if (result.val() == FINISHED_DOWN) {
 986                                 LyXText * text = view()->text;
 987                                 ParagraphList::iterator pit = text->cursorPar();
 988                                 Row const & row = *pit->getRow(text->cursor.pos());
 989                                 if (text->isLastRow(pit, row)) {
 990 #if 1
 991                                         text->setCursorFromCoordinates(
 992                                                 text->cursor.x() + inset_x,
 993                                                 text->cursor.y() -
 994                                                 row.baseline() +
 995                                                 row.height() + 1);
 996                                         view()->x_target(text->cursor.x());
 997 #else
 998                                         text->cursorDown(view());
 999 #endif
1000                                 } else {
1001                                         text->cursorRight(view());
1002                                 }
1003                                 moveCursorUpdate();
1004                                 owner->clearMessage();
1005                                 goto exit_with_message;
1006                         }
1007
1008 #warning I am not sure this is still right, please have a look! (Jug 20020417)
1009                         // result == DispatchResult()
1010                         //setMessage(N_("Text mode"));
1011                         switch (action) {
1012                         case LFUN_UNKNOWN_ACTION:
1013                         case LFUN_BREAKPARAGRAPH:
1014                         case LFUN_BREAKLINE:
1015                                 view()->text->cursorRight(view());
1016                                 view()->switchKeyMap();
1017                                 owner->view_state_changed();
1018                                 break;
1019                         case LFUN_RIGHT:
1020                                 if (!view()->text->cursorPar()->isRightToLeftPar(owner->buffer()->params())) {
1021                                         view()->text->cursorRight(view());
1022                                         moveCursorUpdate();
1023                                         owner->view_state_changed();
1024                                 }
1025                                 goto exit_with_message;
1026                         case LFUN_LEFT:
1027                                 if (view()->text->cursorPar()->isRightToLeftPar(owner->buffer()->params())) {
1028                                         view()->text->cursorRight(view());
1029                                         moveCursorUpdate();
1030                                         owner->view_state_changed();
1031                                 }
1032                                 goto exit_with_message;
1033                         case LFUN_DOWN: {
1034                                 LyXText * text = view()->text;
1035                                 ParagraphList::iterator pit = text->cursorPar();
1036                                 if (text->isLastRow(pit, *pit->getRow(text->cursor.pos())))
1037                                         view()->text->cursorDown(view());
1038                                 else
1039                                         view()->text->cursorRight(view());
1040                                 moveCursorUpdate();
1041                                 owner->view_state_changed();
1042                                 goto exit_with_message;
1043                         }
1044                         default:
1045                                 break;
1046                         }
1047                 }
1048         }
1049
1050         switch (action) {
1051
1052         case LFUN_ESCAPE: {
1053                 if (!view()->available())
1054                         break;
1055                 // this function should be used always [asierra060396]
1056                 UpdatableInset * tli = view()->theLockingInset();
1057                 if (tli) {
1058                         UpdatableInset * lock = tli->getLockingInset();
1059
1060                         if (tli == lock) {
1061                                 view()->unlockInset(tli);
1062                                 view()->text->cursorRight(view());
1063                                 moveCursorUpdate();
1064                                 owner->view_state_changed();
1065                         } else {
1066                                 tli->unlockInsetInInset(view(), lock, true);
1067                         }
1068                         finishUndo();
1069                         // Tell the paragraph dialog that we changed paragraph
1070                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1071                 }
1072                 break;
1073         }
1074
1075         case LFUN_WORDFINDFORWARD:
1076         case LFUN_WORDFINDBACKWARD: {
1077                 static string last_search;
1078                 string searched_string;
1079
1080                 if (!argument.empty()) {
1081                         last_search = argument;
1082                         searched_string = argument;
1083                 } else {
1084                         searched_string = last_search;
1085                 }
1086                 bool fw = (action == LFUN_WORDFINDFORWARD);
1087                 if (!searched_string.empty())
1088                         lyx::find::find(view(), searched_string,
1089                                         true, false, fw);
1090                 break;
1091         }
1092
1093         case LFUN_PREFIX:
1094                 if (view()->available() && !view()->theLockingInset())
1095                         view()->update();
1096                 owner->message(keyseq.printOptions());
1097                 break;
1098
1099         // --- Misc -------------------------------------------
1100         case LFUN_EXEC_COMMAND:
1101                 owner->focus_command_buffer();
1102                 break;
1103
1104         case LFUN_CANCEL:
1105                 keyseq.reset();
1106                 meta_fake_bit = key_modifier::none;
1107                 if (view()->available())
1108                         // cancel any selection
1109                         dispatch(FuncRequest(LFUN_MARK_OFF));
1110                 setMessage(N_("Cancel"));
1111                 break;
1112
1113         case LFUN_META_FAKE:
1114                 meta_fake_bit = key_modifier::alt;
1115                 setMessage(keyseq.print());
1116                 break;
1117
1118         case LFUN_READ_ONLY_TOGGLE:
1119                 if (owner->buffer()->lyxvc().inUse())
1120                         owner->buffer()->lyxvc().toggleReadOnly();
1121                 else
1122                         owner->buffer()->setReadonly(
1123                                 !owner->buffer()->isReadonly());
1124                 break;
1125
1126         case LFUN_CENTER: // this is center and redraw.
1127                 view()->center();
1128                 break;
1129
1130                 // --- Menus -----------------------------------------------
1131         case LFUN_MENUNEW:
1132                 menuNew(argument, false);
1133                 break;
1134
1135         case LFUN_MENUNEWTMPLT:
1136                 menuNew(argument, true);
1137                 break;
1138
1139         case LFUN_CLOSEBUFFER:
1140                 closeBuffer();
1141                 break;
1142
1143         case LFUN_MENUWRITE:
1144                 if (!owner->buffer()->isUnnamed()) {
1145                         string const str = bformat(_("Saving document %1$s..."),
1146                            MakeDisplayPath(owner->buffer()->fileName()));
1147                         owner->message(str);
1148                         MenuWrite(owner->buffer());
1149                         owner->message(str + _(" done."));
1150                 } else
1151                         WriteAs(owner->buffer());
1152                 break;
1153
1154         case LFUN_WRITEAS:
1155                 WriteAs(owner->buffer(), argument);
1156                 break;
1157
1158         case LFUN_MENURELOAD: {
1159                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1160                 string text = bformat(_("Any changes will be lost. Are you sure "
1161                         "you want to revert to the saved version of the document %1$s?"), file);
1162                 int const ret = Alert::prompt(_("Revert to saved document?"),
1163                         text, 0, 1, _("&Revert"), _("&Cancel"));
1164
1165                 if (ret == 0)
1166                         view()->reload();
1167                 break;
1168         }
1169
1170         case LFUN_UPDATE:
1171                 Exporter::Export(owner->buffer(), argument, true);
1172                 view()->showErrorList(BufferFormat(*owner->buffer()));
1173                 break;
1174
1175         case LFUN_PREVIEW:
1176                 Exporter::Preview(owner->buffer(), argument);
1177                 view()->showErrorList(BufferFormat(*owner->buffer()));
1178                 break;
1179
1180         case LFUN_BUILDPROG:
1181                 Exporter::Export(owner->buffer(), "program", true);
1182                 view()->showErrorList(_("Build"));
1183                 break;
1184
1185         case LFUN_RUNCHKTEX:
1186                 owner->buffer()->runChktex();
1187                 view()->showErrorList(_("ChkTeX"));
1188                 break;
1189
1190         case LFUN_EXPORT:
1191                 if (argument == "custom")
1192                         owner->getDialogs().showSendto();
1193                 else {
1194                         Exporter::Export(owner->buffer(), argument, false);
1195                         view()->showErrorList(BufferFormat(*owner->buffer()));
1196                 }
1197                 break;
1198
1199         case LFUN_IMPORT:
1200                 doImport(argument);
1201                 break;
1202
1203         case LFUN_QUIT:
1204                 QuitLyX();
1205                 break;
1206
1207         case LFUN_TOCVIEW: {
1208                 InsetCommandParams p("tableofcontents");
1209                 string const data = InsetCommandMailer::params2string("toc", p);
1210                 owner->getDialogs().show("toc", data, 0);
1211                 break;
1212         }
1213
1214         case LFUN_AUTOSAVE:
1215                 AutoSave(view());
1216                 break;
1217
1218         case LFUN_UNDO:
1219                 view()->undo();
1220                 break;
1221
1222         case LFUN_REDO:
1223                 view()->redo();
1224                 break;
1225
1226         case LFUN_FREEFONT_APPLY:
1227                 apply_freefont(view());
1228                 break;
1229
1230         case LFUN_FREEFONT_UPDATE:
1231                 update_and_apply_freefont(view(), argument);
1232                 break;
1233
1234         case LFUN_RECONFIGURE:
1235                 Reconfigure(view());
1236                 break;
1237
1238 #if 0
1239         case LFUN_FLOATSOPERATE:
1240                 if (argument == "openfoot")
1241                         view()->allFloats(1,0);
1242                 else if (argument == "closefoot")
1243                         view()->allFloats(0,0);
1244                 else if (argument == "openfig")
1245                         view()->allFloats(1,1);
1246                 else if (argument == "closefig")
1247                         view()->allFloats(0,1);
1248                 break;
1249 #else
1250 #ifdef WITH_WARNINGS
1251 //#warning Find another implementation here (or another lyxfunc)!
1252 #endif
1253 #endif
1254
1255         case LFUN_HELP_OPEN: {
1256                 string const arg = argument;
1257                 if (arg.empty()) {
1258                         setErrorMessage(N_("Missing argument"));
1259                         break;
1260                 }
1261                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1262                 if (fname.empty()) {
1263                         lyxerr << "LyX: unable to find documentation file `"
1264                                << arg << "'. Bad installation?" << endl;
1265                         break;
1266                 }
1267                 owner->message(bformat(_("Opening help file %1$s..."),
1268                         MakeDisplayPath(fname)));
1269                 view()->loadLyXFile(fname, false);
1270                 break;
1271         }
1272
1273                 // --- version control -------------------------------
1274         case LFUN_VC_REGISTER:
1275                 if (!ensureBufferClean(view()))
1276                         break;
1277                 if (!owner->buffer()->lyxvc().inUse()) {
1278                         owner->buffer()->lyxvc().registrer();
1279                         view()->reload();
1280                 }
1281                 break;
1282
1283         case LFUN_VC_CHECKIN:
1284                 if (!ensureBufferClean(view()))
1285                         break;
1286                 if (owner->buffer()->lyxvc().inUse()
1287                     && !owner->buffer()->isReadonly()) {
1288                         owner->buffer()->lyxvc().checkIn();
1289                         view()->reload();
1290                 }
1291                 break;
1292
1293         case LFUN_VC_CHECKOUT:
1294                 if (!ensureBufferClean(view()))
1295                         break;
1296                 if (owner->buffer()->lyxvc().inUse()
1297                     && owner->buffer()->isReadonly()) {
1298                         owner->buffer()->lyxvc().checkOut();
1299                         view()->reload();
1300                 }
1301                 break;
1302
1303         case LFUN_VC_REVERT:
1304                 owner->buffer()->lyxvc().revert();
1305                 view()->reload();
1306                 break;
1307
1308         case LFUN_VC_UNDO:
1309                 owner->buffer()->lyxvc().undoLast();
1310                 view()->reload();
1311                 break;
1312
1313         // --- buffers ----------------------------------------
1314
1315         case LFUN_SWITCHBUFFER:
1316                 view()->buffer(bufferlist.getBuffer(argument));
1317                 break;
1318
1319         case LFUN_FILE_NEW:
1320                 NewFile(view(), argument);
1321                 break;
1322
1323         case LFUN_FILE_OPEN:
1324                 open(argument);
1325                 break;
1326
1327         case LFUN_LAYOUT_TABULAR: {
1328                 UpdatableInset * tli = view()->theLockingInset();
1329                 if (tli) {
1330                         if (tli->lyxCode() == InsetOld::TABULAR_CODE) {
1331                                 static_cast<InsetTabular *>(tli)->openLayoutDialog(view());
1332                         } else if (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)) {
1333                                 static_cast<InsetTabular *>(
1334                                         tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE))
1335                                                 ->openLayoutDialog(view());
1336                         }
1337                 }
1338                 break;
1339         }
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                 dispatch_buffer = keyseq.print();
1361                 lyxserver->notifyClient(dispatch_buffer);
1362                 break;
1363
1364         case LFUN_GOTOFILEROW: {
1365                 string file_name;
1366                 int row;
1367                 istringstream is(argument);
1368                 is >> file_name >> row;
1369                 if (prefixIs(file_name, getTmpDir())) {
1370                         // Needed by inverse dvi search. If it is a file
1371                         // in tmpdir, call the apropriated function
1372                         view()->buffer(bufferlist.getBufferFromTmp(file_name));
1373                 } else {
1374                         // Must replace extension of the file to be .lyx
1375                         // and get full path
1376                         string const s = ChangeExtension(file_name, ".lyx");
1377                         // Either change buffer or load the file
1378                         if (bufferlist.exists(s)) {
1379                                 view()->buffer(bufferlist.getBuffer(s));
1380                         } else {
1381                                 view()->loadLyXFile(s);
1382                         }
1383                 }
1384
1385                 view()->setCursorFromRow(row);
1386
1387                 view()->center();
1388                 // see BufferView_pimpl::center()
1389                 view()->updateScrollbar();
1390                 break;
1391         }
1392
1393         case LFUN_GOTO_PARAGRAPH: {
1394                 istringstream is(argument);
1395                 int id;
1396                 is >> id;
1397                 ParIterator par = owner->buffer()->getParFromID(id);
1398                 if (par == owner->buffer()->par_iterator_end()) {
1399                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1400                                             << id << ']' << endl;
1401                         break;
1402                 } else {
1403                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1404                                             << " found." << endl;
1405                 }
1406
1407                 if (view()->theLockingInset())
1408                         view()->unlockInset(view()->theLockingInset());
1409
1410                 LyXText * lt = view()->getLyXText();
1411                 if (par->inInset()) {
1412                         par.inset()->edit(view(), true);
1413                         lt = par->inInset()->getLyXText(view());
1414                 }
1415
1416                 // Set the cursor
1417                 lt->setCursor(par.pit(), 0);
1418                 view()->switchKeyMap();
1419                 owner->view_state_changed();
1420
1421                 view()->center();
1422                 // see BufferView_pimpl::center()
1423                 view()->updateScrollbar();
1424         }
1425         break;
1426
1427         // --- insert characters ----------------------------------------
1428
1429         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1430         case LFUN_MATH_EXTERN:
1431         case LFUN_MATH_NUMBER:
1432         case LFUN_MATH_NONUMBER:
1433         case LFUN_MATH_LIMITS:
1434                 setErrorMessage(N_("This is only allowed in math mode!"));
1435                 break;
1436
1437         // passthrough hat and underscore outside mathed:
1438         case LFUN_SUBSCRIPT:
1439                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1440                 break;
1441
1442         case LFUN_SUPERSCRIPT:
1443                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1444                 break;
1445
1446         case LFUN_DIALOG_SHOW: {
1447                 string const name = func.getArg(0);
1448                 string data = trim(func.argument.substr(name.size()));
1449
1450                 if (name == "character") {
1451                         data = freefont2string();
1452                         if (!data.empty())
1453                                 owner->getDialogs().show("character", data);
1454                 } else if (name == "document")
1455                         owner->getDialogs().showDocument();
1456                 else if (name == "findreplace")
1457                         owner->getDialogs().showSearch();
1458                 else if (name == "forks")
1459                         owner->getDialogs().showForks();
1460                 else if (name == "preamble")
1461                         owner->getDialogs().showPreamble();
1462                 else if (name == "preferences")
1463                         owner->getDialogs().showPreferences();
1464                 else if (name == "print")
1465                         owner->getDialogs().showPrint();
1466                 else if (name == "spellchecker")
1467                         owner->getDialogs().showSpellchecker();
1468                 else
1469                         owner->getDialogs().show(name, data);
1470                 break;
1471         }
1472
1473         case LFUN_DIALOG_SHOW_NEW_INSET: {
1474                 string const & name = argument;
1475                 string data;
1476                 if (name == "bibitem" ||
1477                     name == "bibtex" ||
1478                     name == "include" ||
1479                     name == "index" ||
1480                     name == "ref" ||
1481                     name == "toc" ||
1482                     name == "url") {
1483                         InsetCommandParams p(name);
1484                         data = InsetCommandMailer::params2string(name, p);
1485                 } else if (name == "citation") {
1486                         InsetCommandParams p("cite");
1487                         data = InsetCommandMailer::params2string(name, p);
1488                 }
1489                 owner->getDialogs().show(name, data, 0);
1490                 break;
1491         }
1492
1493         case LFUN_DIALOG_SHOW_NEXT_INSET:
1494                 break;
1495
1496         case LFUN_INSET_DIALOG_SHOW: {
1497                 InsetOld * inset = view()->getLyXText()->getInset();
1498                 if (inset)
1499                         inset->dispatch(FuncRequest(view(), LFUN_INSET_DIALOG_SHOW));
1500                 break;
1501         }
1502
1503         case LFUN_DIALOG_UPDATE: {
1504                 string const & name = argument;
1505                 // Can only update a dialog connected to an existing inset
1506                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1507                 if (inset) {
1508                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1509                                        func.argument);
1510                         inset->dispatch(fr);
1511                 } else if (name == "paragraph") {
1512                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1513                 }
1514                 break;
1515         }
1516
1517         case LFUN_DIALOG_HIDE:
1518                 Dialogs::hide(argument, 0);
1519                 break;
1520
1521         case LFUN_DIALOG_DISCONNECT_INSET:
1522                 owner->getDialogs().disconnect(argument);
1523                 break;
1524
1525         case LFUN_CHILDOPEN: {
1526                 string const filename =
1527                         MakeAbsPath(argument, owner->buffer()->filePath());
1528                 setMessage(N_("Opening child document ") +
1529                            MakeDisplayPath(filename) + "...");
1530                 view()->savePosition(0);
1531                 if (bufferlist.exists(filename))
1532                         view()->buffer(bufferlist.getBuffer(filename));
1533                 else
1534                         view()->loadLyXFile(filename);
1535                 break;
1536         }
1537
1538         case LFUN_TOGGLECURSORFOLLOW:
1539                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1540                 break;
1541
1542         case LFUN_KMAP_OFF:
1543                 owner->getIntl().KeyMapOn(false);
1544                 break;
1545
1546         case LFUN_KMAP_PRIM:
1547                 owner->getIntl().KeyMapPrim();
1548                 break;
1549
1550         case LFUN_KMAP_SEC:
1551                 owner->getIntl().KeyMapSec();
1552                 break;
1553
1554         case LFUN_KMAP_TOGGLE:
1555                 owner->getIntl().ToggleKeyMap();
1556                 break;
1557
1558         case LFUN_REPEAT: {
1559                 // repeat command
1560                 string countstr;
1561                 argument = split(argument, countstr, ' ');
1562                 istringstream is(countstr);
1563                 int count = 0;
1564                 is >> count;
1565                 lyxerr << "repeat: count: " << count << " cmd: " << argument << endl;
1566                 for (int i = 0; i < count; ++i)
1567                         dispatch(lyxaction.lookupFunc(argument));
1568                 break;
1569         }
1570
1571         case LFUN_SEQUENCE:
1572                 // argument contains ';'-terminated commands
1573                 while (!argument.empty()) {
1574                         string first;
1575                         argument = split(argument, first, ';');
1576                         dispatch(lyxaction.lookupFunc(first));
1577                 }
1578                 break;
1579
1580         case LFUN_SAVEPREFERENCES: {
1581                 Path p(user_lyxdir());
1582                 lyxrc.write("preferences");
1583                 break;
1584         }
1585
1586         case LFUN_SCREEN_FONT_UPDATE:
1587                 // handle the screen font changes.
1588                 lyxrc.set_font_norm_type();
1589                 lyx_gui::update_fonts();
1590                 // All visible buffers will need resize
1591                 view()->resize();
1592                 view()->update();
1593                 break;
1594
1595         case LFUN_SET_COLOR: {
1596                 string lyx_name;
1597                 string const x11_name = split(argument, lyx_name, ' ');
1598                 if (lyx_name.empty() || x11_name.empty()) {
1599                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1600                                                 " <x11_name>"));
1601                         break;
1602                 }
1603
1604                 bool const graphicsbg_changed =
1605                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1606                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1607
1608                 if (!lcolor.setColor(lyx_name, x11_name)) {
1609                         setErrorMessage(
1610                                 bformat(_("Set-color \"%1$s\" failed "
1611                                                   "- color is undefined or "
1612                                                   "may not be redefined"), lyx_name));
1613                         break;
1614                 }
1615
1616                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1617
1618                 if (graphicsbg_changed) {
1619 #ifdef WITH_WARNINGS
1620 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1621 #endif
1622 #if 0
1623                         lyx::graphics::GCache::get().changeDisplay(true);
1624 #endif
1625                 }
1626
1627                 view()->update();
1628                 break;
1629         }
1630
1631         case LFUN_MESSAGE:
1632                 owner->message(argument);
1633                 break;
1634
1635         case LFUN_FORKS_KILL:
1636                 if (isStrInt(argument)) {
1637                         pid_t const pid = strToInt(argument);
1638                         ForkedcallsController & fcc = ForkedcallsController::get();
1639                         fcc.kill(pid);
1640                 }
1641                 break;
1642
1643         case LFUN_TOOLTIPS_TOGGLE:
1644                 owner->getDialogs().toggleTooltips();
1645                 break;
1646
1647         case LFUN_EXTERNAL_EDIT:
1648                 InsetExternal().dispatch(FuncRequest(view(), action, argument));
1649                 break;
1650
1651         default:
1652                 // Then if it was none of the above
1653                 // Trying the BufferView::pimpl dispatch:
1654                 if (!view()->dispatch(func))
1655                         lyxerr << "A truly unknown func ["
1656                                << lyxaction.getActionName(func.action) << "]!"
1657                                << endl;
1658                 break;
1659         } // end of switch
1660
1661 exit_with_message:
1662
1663         view()->owner()->updateLayoutChoice();
1664
1665         if (view()->available()) {
1666                 if (view()->fitCursor()) {
1667                         //lyxerr << "LyXFunc->fitCursor->update" << endl;
1668                         view()->update();
1669                 }
1670
1671                 // If we executed a mutating lfun, mark the buffer as dirty
1672                 if (!getStatus(func).disabled()
1673                     && !lyxaction.funcHasFlag(func.action, LyXAction::NoBuffer)
1674                     && !lyxaction.funcHasFlag(func.action, LyXAction::ReadOnly))
1675                         view()->buffer()->markDirty();
1676         }
1677
1678         sendDispatchMessage(getMessage(), func, verbose);
1679 }
1680
1681
1682 void LyXFunc::sendDispatchMessage(string const & msg,
1683                                   FuncRequest const & func, bool verbose)
1684 {
1685         owner->updateMenubar();
1686         owner->updateToolbar();
1687
1688         if (func.action == LFUN_SELFINSERT || !verbose) {
1689                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1690                 if (!msg.empty())
1691                         owner->message(msg);
1692                 return;
1693         }
1694
1695         string dispatch_msg = msg;
1696         if (!dispatch_msg.empty())
1697                 dispatch_msg += ' ';
1698
1699         string comname = lyxaction.getActionName(func.action);
1700
1701         bool argsadded = false;
1702
1703         if (!func.argument.empty()) {
1704                 if (func.action != LFUN_UNKNOWN_ACTION) {
1705                         comname += ' ' + func.argument;
1706                         argsadded = true;
1707                 }
1708         }
1709
1710         string const shortcuts = toplevel_keymap->findbinding(func);
1711
1712         if (!shortcuts.empty()) {
1713                 comname += ": " + shortcuts;
1714         } else if (!argsadded && !func.argument.empty()) {
1715                 comname += ' ' + func.argument;
1716         }
1717
1718         if (!comname.empty()) {
1719                 comname = rtrim(comname);
1720                 dispatch_msg += '(' + comname + ')';
1721         }
1722
1723         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1724         if (!dispatch_msg.empty())
1725                 owner->message(dispatch_msg);
1726 }
1727
1728
1729 void LyXFunc::setupLocalKeymap()
1730 {
1731         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1732         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1733 }
1734
1735
1736 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1737 {
1738         string initpath = lyxrc.document_path;
1739         string filename(name);
1740
1741         if (view()->available()) {
1742                 string const trypath = owner->buffer()->filePath();
1743                 // If directory is writeable, use this as default.
1744                 if (IsDirWriteable(trypath))
1745                         initpath = trypath;
1746         }
1747
1748         static int newfile_number;
1749
1750         if (filename.empty()) {
1751                 filename = AddName(lyxrc.document_path,
1752                             "newfile" + tostr(++newfile_number) + ".lyx");
1753                 FileInfo fi(filename);
1754                 while (bufferlist.exists(filename) || fi.readable()) {
1755                         ++newfile_number;
1756                         filename = AddName(lyxrc.document_path,
1757                                     "newfile" + tostr(newfile_number) +
1758                                     ".lyx");
1759                         fi.newFile(filename);
1760                 }
1761         }
1762
1763         // The template stuff
1764         string templname;
1765         if (fromTemplate) {
1766                 FileDialog fileDlg(_("Select template file"),
1767                         LFUN_SELECT_FILE_SYNC,
1768                         make_pair(string(_("Documents|#o#O")),
1769                                   string(lyxrc.document_path)),
1770                         make_pair(string(_("Templates|#T#t")),
1771                                   string(lyxrc.template_path)));
1772
1773                 FileDialog::Result result =
1774                         fileDlg.open(lyxrc.template_path,
1775                                        _("*.lyx| LyX Documents (*.lyx)"));
1776
1777                 if (result.first == FileDialog::Later)
1778                         return;
1779
1780                 string const fname = result.second;
1781
1782                 if (fname.empty())
1783                         return;
1784                 templname = fname;
1785         }
1786
1787         view()->newFile(filename, templname, !name.empty());
1788 }
1789
1790
1791 void LyXFunc::open(string const & fname)
1792 {
1793         string initpath = lyxrc.document_path;
1794
1795         if (view()->available()) {
1796                 string const trypath = owner->buffer()->filePath();
1797                 // If directory is writeable, use this as default.
1798                 if (IsDirWriteable(trypath))
1799                         initpath = trypath;
1800         }
1801
1802         string filename;
1803
1804         if (fname.empty()) {
1805                 FileDialog fileDlg(_("Select document to open"),
1806                         LFUN_FILE_OPEN,
1807                         make_pair(string(_("Documents|#o#O")),
1808                                   string(lyxrc.document_path)),
1809                         make_pair(string(_("Examples|#E#e")),
1810                                   string(AddPath(system_lyxdir(), "examples"))));
1811
1812                 FileDialog::Result result =
1813                         fileDlg.open(initpath,
1814                                        _("*.lyx| LyX Documents (*.lyx)"));
1815
1816                 if (result.first == FileDialog::Later)
1817                         return;
1818
1819                 filename = result.second;
1820
1821                 // check selected filename
1822                 if (filename.empty()) {
1823                         owner->message(_("Canceled."));
1824                         return;
1825                 }
1826         } else
1827                 filename = fname;
1828
1829         // get absolute path of file and add ".lyx" to the filename if
1830         // necessary
1831         string const fullpath = FileSearch(string(), filename, "lyx");
1832         if (!fullpath.empty()) {
1833                 filename = fullpath;
1834         }
1835
1836         string const disp_fn(MakeDisplayPath(filename));
1837
1838         // if the file doesn't exist, let the user create one
1839         FileInfo const f(filename, true);
1840         if (!f.exist()) {
1841                 // the user specifically chose this name. Believe them.
1842                 view()->newFile(filename, "", true);
1843                 return;
1844         }
1845
1846         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1847
1848         string str2;
1849         if (view()->loadLyXFile(filename)) {
1850                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1851         } else {
1852                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1853         }
1854         owner->message(str2);
1855 }
1856
1857
1858 void LyXFunc::doImport(string const & argument)
1859 {
1860         string format;
1861         string filename = split(argument, format, ' ');
1862
1863         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1864                             << " file: " << filename << endl;
1865
1866         // need user interaction
1867         if (filename.empty()) {
1868                 string initpath = lyxrc.document_path;
1869
1870                 if (view()->available()) {
1871                         string const trypath = owner->buffer()->filePath();
1872                         // If directory is writeable, use this as default.
1873                         if (IsDirWriteable(trypath))
1874                                 initpath = trypath;
1875                 }
1876
1877                 string const text = bformat(_("Select %1$s file to import"),
1878                         formats.prettyName(format));
1879
1880                 FileDialog fileDlg(text,
1881                         LFUN_IMPORT,
1882                         make_pair(string(_("Documents|#o#O")),
1883                                   string(lyxrc.document_path)),
1884                         make_pair(string(_("Examples|#E#e")),
1885                                   string(AddPath(system_lyxdir(), "examples"))));
1886
1887                 string const extension = "*." + formats.extension(format)
1888                         + "| " + formats.prettyName(format)
1889                         + " (*." + formats.extension(format) + ')';
1890
1891                 FileDialog::Result result = fileDlg.open(initpath,
1892                                                            extension);
1893
1894                 if (result.first == FileDialog::Later)
1895                         return;
1896
1897                 filename = result.second;
1898
1899                 // check selected filename
1900                 if (filename.empty())
1901                         owner->message(_("Canceled."));
1902         }
1903
1904         if (filename.empty())
1905                 return;
1906
1907         // get absolute path of file
1908         filename = MakeAbsPath(filename);
1909
1910         string const lyxfile = ChangeExtension(filename, ".lyx");
1911
1912         // Check if the document already is open
1913         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1914                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1915                         owner->message(_("Canceled."));
1916                         return;
1917                 }
1918         }
1919
1920         // if the file exists already, and we didn't do
1921         // -i lyx thefile.lyx, warn
1922         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1923                 string const file = MakeDisplayPath(lyxfile, 30);
1924
1925                 string text = bformat(_("The document %1$s already exists.\n\n"
1926                         "Do you want to over-write that document?"), file);
1927                 int const ret = Alert::prompt(_("Over-write document?"),
1928                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1929
1930                 if (ret == 1) {
1931                         owner->message(_("Canceled."));
1932                         return;
1933                 }
1934         }
1935
1936         Importer::Import(owner, filename, format);
1937 }
1938
1939
1940 void LyXFunc::closeBuffer()
1941 {
1942         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1943                 if (bufferlist.empty()) {
1944                         // need this otherwise SEGV may occur while
1945                         // trying to set variables that don't exist
1946                         // since there's no current buffer
1947                         owner->getDialogs().hideBufferDependent();
1948                 } else {
1949                         view()->buffer(bufferlist.first());
1950                 }
1951         }
1952 }
1953
1954
1955 // Each "owner" should have it's own message method. lyxview and
1956 // the minibuffer would use the minibuffer, but lyxserver would
1957 // send an ERROR signal to its client.  Alejandro 970603
1958 // This func is bit problematic when it comes to NLS, to make the
1959 // lyx servers client be language indepenent we must not translate
1960 // strings sent to this func.
1961 void LyXFunc::setErrorMessage(string const & m) const
1962 {
1963         dispatch_buffer = m;
1964         errorstat = true;
1965 }
1966
1967
1968 void LyXFunc::setMessage(string const & m) const
1969 {
1970         dispatch_buffer = m;
1971 }
1972
1973
1974 void LyXFunc::setStatusMessage(string const & m) const
1975 {
1976         status_buffer = m;
1977 }
1978
1979
1980 string const LyXFunc::view_status_message()
1981 {
1982         // When meta-fake key is pressed, show the key sequence so far + "M-".
1983         if (wasMetaKey()) {
1984                 return keyseq.print() + "M-";
1985         }
1986
1987         // Else, when a non-complete key sequence is pressed,
1988         // show the available options.
1989         if (keyseq.length() > 0 && !keyseq.deleted()) {
1990                 return keyseq.printOptions();
1991         }
1992
1993         if (!view()->available())
1994                 return _("Welcome to LyX!");
1995
1996         return currentState(view());
1997 }
1998
1999
2000 BufferView * LyXFunc::view() const
2001 {
2002         BOOST_ASSERT(owner);
2003         return owner->view().get();
2004 }
2005
2006
2007 bool LyXFunc::wasMetaKey() const
2008 {
2009         return (meta_fake_bit != key_modifier::none);
2010 }