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 #include "support/std_sstream.h"
  76
  77 using bv_funcs::apply_freefont;
  78 using bv_funcs::changeDepth;
  79 using bv_funcs::currentState;
  80 using bv_funcs::DEC_DEPTH;
  81 using bv_funcs::freefont2string;
  82 using bv_funcs::INC_DEPTH;
  83 using bv_funcs::update_and_apply_freefont;
  84
  85 using lyx::support::AddName;
  86 using lyx::support::AddPath;
  87 using lyx::support::bformat;
  88 using lyx::support::ChangeExtension;
  89 using lyx::support::FileInfo;
  90 using lyx::support::FileSearch;
  91 using lyx::support::ForkedcallsController;
  92 using lyx::support::i18nLibFileSearch;
  93 using lyx::support::IsDirWriteable;
  94 using lyx::support::IsFileReadable;
  95 using lyx::support::isStrInt;
  96 using lyx::support::MakeAbsPath;
  97 using lyx::support::MakeDisplayPath;
  98 using lyx::support::Path;
  99 using lyx::support::rtrim;
 100 using lyx::support::split;
 101 using lyx::support::strToInt;
 102 using lyx::support::strToUnsignedInt;
 103 using lyx::support::system_lyxdir;
 104 using lyx::support::token;
 105 using lyx::support::trim;
 106 using lyx::support::user_lyxdir;
 107
 108 using std::endl;
 109 using std::make_pair;
 110 using std::string;
 111 using std::istringstream;
 112
 113
 114 extern BufferList bufferlist;
 115 extern LyXServer * lyxserver;
 116 extern bool selection_possible;
 117
 118 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 119
 120 // (alkis)
 121 extern tex_accent_struct get_accent(kb_action action);
 122
 123 extern void ShowLatexLog();
 124
 125
 126 LyXFunc::LyXFunc(LyXView * o)
 127         : owner(o),
 128         encoded_last_key(0),
 129         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 130         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 131         meta_fake_bit(key_modifier::none)
 132 {
 133 }
 134
 135
 136 void LyXFunc::moveCursorUpdate()
 137 {
 138         LyXText * lt = view()->text;
 139         if (lt->selection.mark())
 140                 lt->setSelection();
 141         view()->update();
 142         view()->switchKeyMap();
 143 }
 144
 145
 146 void LyXFunc::handleKeyFunc(kb_action action)
 147 {
 148         char c = encoded_last_key;
 149
 150         if (keyseq.length()) {
 151                 c = 0;
 152         }
 153
 154         owner->getIntl().getTransManager()
 155                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 156         // Need to clear, in case the minibuffer calls these
 157         // actions
 158         keyseq.clear();
 159         // copied verbatim from do_accent_char
 160         view()->update();
 161         view()->getLyXText()->selection.cursor = view()->getLyXText()->cursor;
 162 }
 163
 164
 165 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 166                             key_modifier::state state)
 167 {
 168         string argument;
 169
 170         if (lyxerr.debugging(Debug::KEY)) {
 171                 lyxerr << "KeySym is "
 172                        << keysym->getSymbolName()
 173                        << endl;
 174         }
 175
 176         // Do nothing if we have nothing (JMarc)
 177         if (!keysym->isOK()) {
 178                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 179                                    << endl;
 180                 return;
 181         }
 182
 183         if (keysym->isModifier()) {
 184                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 185                 return;
 186         }
 187
 188         Encoding const * encoding = view()->getEncoding();
 189
 190         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 191
 192         // Do a one-deep top-level lookup for
 193         // cancel and meta-fake keys. RVDK_PATCH_5
 194         cancel_meta_seq.reset();
 195
 196         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 197         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 198
 199         // When not cancel or meta-fake, do the normal lookup.
 200         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 201         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 202         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 203                 // remove Caps Lock and Mod2 as a modifiers
 204                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 205                 lyxerr[Debug::KEY] << "action now set to ["
 206                         << func.action << ']' << endl;
 207         }
 208
 209         // Dont remove this unless you know what you are doing.
 210         meta_fake_bit = key_modifier::none;
 211
 212         // can this happen now ?
 213         if (func.action == LFUN_NOACTION) {
 214                 func = FuncRequest(LFUN_PREFIX);
 215         }
 216
 217         if (lyxerr.debugging(Debug::KEY)) {
 218                 lyxerr << "Key [action="
 219                        << func.action << "]["
 220                        << keyseq.print() << ']'
 221                        << endl;
 222         }
 223
 224         // already here we know if it any point in going further
 225         // why not return already here if action == -1 and
 226         // num_bytes == 0? (Lgb)
 227
 228         if (keyseq.length() > 1) {
 229                 owner->message(keyseq.print());
 230         }
 231
 232
 233         // Maybe user can only reach the key via holding down shift.
 234         // Let's see. But only if shift is the only modifier
 235         if (func.action == LFUN_UNKNOWN_ACTION &&
 236             state == key_modifier::shift) {
 237                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 238                 func = keyseq.addkey(keysym, key_modifier::none);
 239                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 240         }
 241
 242         if (func.action == LFUN_UNKNOWN_ACTION) {
 243                 // Hmm, we didn't match any of the keysequences. See
 244                 // if it's normal insertable text not already covered
 245                 // by a binding
 246                 if (keysym->isText() && keyseq.length() == 1) {
 247                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 248                         func = FuncRequest(LFUN_SELFINSERT);
 249                 } else {
 250                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 251                         owner->message(_("Unknown function."));
 252                         return;
 253                 }
 254         }
 255
 256         if (func.action == LFUN_SELFINSERT) {
 257                 if (encoded_last_key != 0) {
 258                         string arg;
 259                         arg += encoded_last_key;
 260
 261                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 262
 263                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 264                                    << argument << "']" << endl;
 265                 }
 266         } else {
 267                 dispatch(func);
 268         }
 269 }
 270
 271
 272 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 273 {
 274         FuncStatus flag;
 275         Buffer * buf = owner->buffer();
 276
 277         if (ev.action == LFUN_NOACTION) {
 278                 setStatusMessage(N_("Nothing to do"));
 279                 return flag.disabled(true);
 280         }
 281
 282         switch (ev.action) {
 283         case LFUN_UNKNOWN_ACTION:
 284 #ifndef HAVE_LIBAIKSAURUS
 285         case LFUN_THESAURUS_ENTRY:
 286 #endif
 287                 flag.unknown(true);
 288                 break;
 289         default:
 290                 flag |= lyx_gui::getStatus(ev);
 291         }
 292
 293         if (flag.unknown()) {
 294                 setStatusMessage(N_("Unknown action"));
 295                 return flag;
 296         }
 297
 298         // the default error message if we disable the command
 299         setStatusMessage(N_("Command disabled"));
 300
 301         // Check whether we need a buffer
 302         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 303                 // Yes we need a buffer, do we have one?
 304                 if (buf) {
 305                         // yes
 306                         // Can we use a readonly buffer?
 307                         if (buf->isReadonly() &&
 308                             !lyxaction.funcHasFlag(ev.action,
 309                                                    LyXAction::ReadOnly)) {
 310                                 // no
 311                                 setStatusMessage(N_("Document is read-only"));
 312                                 flag.disabled(true);
 313                         }
 314                 } else {
 315                         // no
 316                         setStatusMessage(N_("Command not allowed with"
 317                                            "out any document open"));
 318                         return flag.disabled(true);
 319                 }
 320         }
 321
 322         UpdatableInset * tli = view()->theLockingInset();
 323
 324         // I would really like to avoid having this switch and rather try to
 325         // encode this in the function itself.
 326         bool disable = false;
 327         switch (ev.action) {
 328         case LFUN_EXPORT:
 329                 disable = ev.argument != "custom"
 330                         && !Exporter::IsExportable(*buf, ev.argument);
 331                 break;
 332         case LFUN_UNDO:
 333                 disable = buf->undostack().empty();
 334                 break;
 335         case LFUN_REDO:
 336                 disable = buf->redostack().empty();
 337                 break;
 338         case LFUN_CUT:
 339         case LFUN_COPY:
 340                 if (tli) {
 341                         UpdatableInset * in = tli;
 342                         if (in->lyxCode() != InsetOld::TABULAR_CODE) {
 343                                 in = tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE);
 344                         }
 345                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 346                                 disable = false;
 347                                 break;
 348                         }
 349                 }
 350                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 351                 break;
 352         case LFUN_RUNCHKTEX:
 353                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 354                 break;
 355         case LFUN_BUILDPROG:
 356                 disable = !Exporter::IsExportable(*buf, "program");
 357                 break;
 358
 359         case LFUN_LAYOUT_TABULAR:
 360                 disable = !tli
 361                         || (tli->lyxCode() != InsetOld::TABULAR_CODE
 362                             && !tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
 363                 break;
 364
 365         case LFUN_DEPTH_MIN:
 366                 disable = !changeDepth(view(), view()->getLyXText(), DEC_DEPTH, true);
 367                 break;
 368
 369         case LFUN_DEPTH_PLUS:
 370                 disable = !changeDepth(view(), view()->getLyXText(), INC_DEPTH, true);
 371                 break;
 372
 373         case LFUN_LAYOUT:
 374         case LFUN_LAYOUT_PARAGRAPH: {
 375                 InsetOld * inset = view()->getLyXText()->cursorPar()->inInset();
 376                 disable = inset && inset->forceDefaultParagraphs(inset);
 377                 break;
 378         }
 379
 380         case LFUN_INSET_OPTARG:
 381                 disable = (view()->getLyXText()->cursorPar()->layout()->optionalargs == 0);
 382                 break;
 383
 384         case LFUN_TABULAR_FEATURE:
 385                 if (mathcursor) {
 386 #if 0
 387                         // FIXME: check temporarily disabled
 388                         // valign code
 389                         char align = mathcursor->valign();
 390                         if (align == '\0') {
 391                                 disable = true;
 392                                 break;
 393                         }
 394                         if (ev.argument.empty()) {
 395                                 flag.clear();
 396                                 break;
 397                         }
 398                         if (!contains("tcb", ev.argument[0])) {
 399                                 disable = true;
 400                                 break;
 401                         }
 402                         flag.setOnOff(ev.argument[0] == align);
 403                 } else {
 404                         disable = true;
 405
 406                         char align = mathcursor->halign();
 407                         if (align == '\0') {
 408                                 disable = true;
 409                                 break;
 410                         }
 411                         if (ev.argument.empty()) {
 412                                 flag.clear();
 413                                 break;
 414                         }
 415                         if (!contains("lcr", ev.argument[0])) {
 416                                 disable = true;
 417                                 break;
 418                         }
 419                         flag.setOnOff(ev.argument[0] == align);
 420 #endif
 421
 422                         disable = !mathcursor->halign();
 423                         break;
 424                 }
 425
 426                 if (tli) {
 427                         FuncStatus ret;
 428                         //ret.disabled(true);
 429                         if (tli->lyxCode() == InsetOld::TABULAR_CODE) {
 430                                 ret = static_cast<InsetTabular *>(tli)
 431                                         ->getStatus(ev.argument);
 432                                 flag |= ret;
 433                                 disable = false;
 434                         } else if (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)) {
 435                                 ret = static_cast<InsetTabular *>
 436                                         (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE))
 437                                         ->getStatus(ev.argument);
 438                                 flag |= ret;
 439                                 disable = false;
 440                         } else {
 441                                 disable = true;
 442                         }
 443                 } else {
 444                         static InsetTabular inset(*owner->buffer(), 1, 1);
 445                         FuncStatus ret;
 446
 447                         disable = true;
 448                         ret = inset.getStatus(ev.argument);
 449                         if (ret.onoff(true) || ret.onoff(false))
 450                                 flag.setOnOff(false);
 451                 }
 452                 break;
 453
 454         case LFUN_VC_REGISTER:
 455                 disable = buf->lyxvc().inUse();
 456                 break;
 457         case LFUN_VC_CHECKIN:
 458                 disable = !buf->lyxvc().inUse() || buf->isReadonly();
 459                 break;
 460         case LFUN_VC_CHECKOUT:
 461                 disable = !buf->lyxvc().inUse() || !buf->isReadonly();
 462                 break;
 463         case LFUN_VC_REVERT:
 464         case LFUN_VC_UNDO:
 465                 disable = !buf->lyxvc().inUse();
 466                 break;
 467         case LFUN_MENURELOAD:
 468                 disable = buf->isUnnamed() || buf->isClean();
 469                 break;
 470         case LFUN_BOOKMARK_GOTO:
 471                 disable =  !view()->
 472                         isSavedPosition(strToUnsignedInt(ev.argument));
 473                 break;
 474         case LFUN_MERGE_CHANGES:
 475         case LFUN_ACCEPT_CHANGE:
 476         case LFUN_REJECT_CHANGE:
 477         case LFUN_ACCEPT_ALL_CHANGES:
 478         case LFUN_REJECT_ALL_CHANGES:
 479                 disable = !buf->params().tracking_changes;
 480                 break;
 481         case LFUN_INSET_TOGGLE: {
 482                 LyXText * lt = view()->getLyXText();
 483                 disable = !(isEditableInset(lt->getInset())
 484                             || (lt->inset_owner
 485                                 && lt->inset_owner->owner()
 486                                 && lt->inset_owner->owner()->isOpen()));
 487                 break;
 488         }
 489
 490         case LFUN_INSET_SETTINGS: {
 491                 disable = true;
 492                 UpdatableInset * inset = view()->theLockingInset();
 493
 494                 if (!inset)
 495                         break;
 496
 497                 // get the innermost inset
 498                 inset = inset->getLockingInset();
 499
 500                 // jump back to owner if an InsetText, so
 501                 // we get back to the InsetTabular or whatever
 502                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 503                         inset = inset->owner();
 504
 505                 InsetOld::Code code = inset->lyxCode();
 506                 switch (code) {
 507                         case InsetOld::TABULAR_CODE:
 508                                 disable = ev.argument != "tabular";
 509                                 break;
 510                         case InsetOld::ERT_CODE:
 511                                 disable = ev.argument != "ert";
 512                                 break;
 513                         case InsetOld::FLOAT_CODE:
 514                                 disable = ev.argument != "float";
 515                                 break;
 516                         case InsetOld::MINIPAGE_CODE:
 517                                 disable = ev.argument != "minipage";
 518                                 break;
 519                         case InsetOld::WRAP_CODE:
 520                                 disable = ev.argument != "wrap";
 521                                 break;
 522                         case InsetOld::NOTE_CODE:
 523                                 disable = ev.argument != "note";
 524                                 break;
 525                         case InsetOld::BRANCH_CODE:
 526                                 disable = ev.argument != "branch";
 527                                 break;
 528                         case InsetOld::BOX_CODE:
 529                                 disable = ev.argument != "box";
 530                                 break;
 531                         default:
 532                                 break;
 533                 }
 534                 break;
 535         }
 536
 537         case LFUN_MATH_MUTATE:
 538                 if (mathcursor)
 539                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 540                         flag.setOnOff(false);
 541                 else
 542                         disable = true;
 543                 break;
 544
 545         // we just need to be in math mode to enable that
 546         case LFUN_MATH_SIZE:
 547         case LFUN_MATH_SPACE:
 548         case LFUN_MATH_LIMITS:
 549         case LFUN_MATH_NONUMBER:
 550         case LFUN_MATH_NUMBER:
 551         case LFUN_MATH_EXTERN:
 552                 disable = !mathcursor;
 553                 break;
 554
 555         case LFUN_DIALOG_SHOW: {
 556                 string const name = ev.getArg(0);
 557                 if (!buf) {
 558                         disable = !(name == "aboutlyx" ||
 559                                     name == "file" ||
 560                                     name == "forks" ||
 561                                     name == "preferences" ||
 562                                     name == "texinfo");
 563                         break;
 564                 }
 565
 566                 if (name == "print") {
 567                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 568                                 lyxrc.print_command == "none";
 569                 } else if (name == "character") {
 570                         UpdatableInset * tli = view()->theLockingInset();
 571                         disable = tli && tli->lyxCode() == InsetOld::ERT_CODE;
 572                 } else if (name == "vclog") {
 573                         disable = !buf->lyxvc().inUse();
 574                 } else if (name == "latexlog") {
 575                         disable = !IsFileReadable(buf->getLogName().second);
 576                 }
 577                 break;
 578         }
 579
 580         default:
 581                 break;
 582         }
 583
 584         // the functions which insert insets
 585         InsetOld::Code code = InsetOld::NO_CODE;
 586         switch (ev.action) {
 587         case LFUN_DIALOG_SHOW_NEW_INSET:
 588                 if (ev.argument == "bibitem")
 589                         code = InsetOld::BIBITEM_CODE;
 590                 else if (ev.argument == "bibtex")
 591                         code = InsetOld::BIBTEX_CODE;
 592                 else if (ev.argument == "citation")
 593                         code = InsetOld::CITE_CODE;
 594                 else if (ev.argument == "ert")
 595                         code = InsetOld::ERT_CODE;
 596                 else if (ev.argument == "external")
 597                         code = InsetOld::EXTERNAL_CODE;
 598                 else if (ev.argument == "float")
 599                         code = InsetOld::FLOAT_CODE;
 600                 else if (ev.argument == "graphics")
 601                         code = InsetOld::GRAPHICS_CODE;
 602                 else if (ev.argument == "include")
 603                         code = InsetOld::INCLUDE_CODE;
 604                 else if (ev.argument == "index")
 605                         code = InsetOld::INDEX_CODE;
 606                 else if (ev.argument == "label")
 607                         code = InsetOld::LABEL_CODE;
 608                 else if (ev.argument == "minipage")
 609                         code = InsetOld::MINIPAGE_CODE;
 610                 else if (ev.argument == "ref")
 611                         code = InsetOld::REF_CODE;
 612                 else if (ev.argument == "toc")
 613                         code = InsetOld::TOC_CODE;
 614                 else if (ev.argument == "url")
 615                         code = InsetOld::URL_CODE;
 616                 else if (ev.argument == "wrap")
 617                         code = InsetOld::WRAP_CODE;
 618                 break;
 619
 620         case LFUN_INSET_ERT:
 621                 code = InsetOld::ERT_CODE;
 622                 break;
 623         case LFUN_INSET_FOOTNOTE:
 624                 code = InsetOld::FOOT_CODE;
 625                 break;
 626         case LFUN_TABULAR_INSERT:
 627                 code = InsetOld::TABULAR_CODE;
 628                 break;
 629         case LFUN_INSET_MARGINAL:
 630                 code = InsetOld::MARGIN_CODE;
 631                 break;
 632         case LFUN_INSET_MINIPAGE:
 633                 code = InsetOld::MINIPAGE_CODE;
 634                 break;
 635         case LFUN_INSET_FLOAT:
 636         case LFUN_INSET_WIDE_FLOAT:
 637                 code = InsetOld::FLOAT_CODE;
 638                 break;
 639         case LFUN_INSET_WRAP:
 640                 code = InsetOld::WRAP_CODE;
 641                 break;
 642         case LFUN_FLOAT_LIST:
 643                 code = InsetOld::FLOAT_LIST_CODE;
 644                 break;
 645 #if 0
 646         case LFUN_INSET_LIST:
 647                 code = InsetOld::LIST_CODE;
 648                 break;
 649         case LFUN_INSET_THEOREM:
 650                 code = InsetOld::THEOREM_CODE;
 651                 break;
 652 #endif
 653         case LFUN_INSET_CAPTION:
 654                 code = InsetOld::CAPTION_CODE;
 655                 break;
 656         case LFUN_INSERT_NOTE:
 657                 code = InsetOld::NOTE_CODE;
 658                 break;
 659         case LFUN_INSERT_BOX:
 660                 code = InsetOld::BOX_CODE;
 661                 break;
 662         case LFUN_INSERT_BRANCH:
 663                 code = InsetOld::BRANCH_CODE;
 664                 if (buf->params().branchlist().empty())
 665                         disable = true;
 666                 break;
 667         case LFUN_INSERT_LABEL:
 668                 code = InsetOld::LABEL_CODE;
 669                 break;
 670         case LFUN_INSET_OPTARG:
 671                 code = InsetOld::OPTARG_CODE;
 672                 break;
 673         case LFUN_ENVIRONMENT_INSERT:
 674                 code = InsetOld::MINIPAGE_CODE;
 675                 break;
 676         case LFUN_INDEX_INSERT:
 677                 code = InsetOld::INDEX_CODE;
 678                 break;
 679         case LFUN_INDEX_PRINT:
 680                 code = InsetOld::INDEX_PRINT_CODE;
 681                 break;
 682         case LFUN_TOC_INSERT:
 683                 code = InsetOld::TOC_CODE;
 684                 break;
 685         case LFUN_HTMLURL:
 686         case LFUN_URL:
 687                 code = InsetOld::URL_CODE;
 688                 break;
 689         case LFUN_QUOTE:
 690                 // always allow this, since we will inset a raw quote
 691                 // if an inset is not allowed.
 692                 break;
 693         case LFUN_HYPHENATION:
 694         case LFUN_LIGATURE_BREAK:
 695         case LFUN_HFILL:
 696         case LFUN_MENU_SEPARATOR:
 697         case LFUN_LDOTS:
 698         case LFUN_END_OF_SENTENCE:
 699                 code = InsetOld::SPECIALCHAR_CODE;
 700                 break;
 701         case LFUN_SPACE_INSERT:
 702                 // slight hack: we know this is allowed in math mode
 703                 if (!mathcursor)
 704                         code = InsetOld::SPACE_CODE;
 705                 break;
 706         case LFUN_INSET_DIALOG_SHOW: {
 707                         LyXText * lt = view()->getLyXText();
 708                         InsetOld * inset = lt->getInset();
 709                         disable = !inset;
 710                         if (!disable) {
 711                                 code = inset->lyxCode();
 712                                 if (!(code == InsetOld::INCLUDE_CODE
 713                                         || code == InsetOld::BIBTEX_CODE
 714                                         || code == InsetOld::FLOAT_LIST_CODE
 715                                         || code == InsetOld::TOC_CODE))
 716                                         disable = true;
 717                         }
 718                 }
 719                 break;
 720         default:
 721                 break;
 722         }
 723         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 724                 disable = true;
 725
 726         if (disable)
 727                 flag.disabled(true);
 728
 729         // A few general toggles
 730         switch (ev.action) {
 731         case LFUN_TOOLTIPS_TOGGLE:
 732                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 733                 break;
 734
 735         case LFUN_READ_ONLY_TOGGLE:
 736                 flag.setOnOff(buf->isReadonly());
 737                 break;
 738         case LFUN_APPENDIX:
 739                 flag.setOnOff(view()->getLyXText()->cursorPar()->params().startOfAppendix());
 740                 break;
 741         case LFUN_SWITCHBUFFER:
 742                 // toggle on the current buffer, but do not toggle off
 743                 // the other ones (is that a good idea?)
 744                 if (ev.argument == buf->fileName())
 745                         flag.setOnOff(true);
 746                 break;
 747         case LFUN_TRACK_CHANGES:
 748                 flag.setOnOff(buf->params().tracking_changes);
 749                 break;
 750         default:
 751                 break;
 752         }
 753
 754         // the font related toggles
 755         if (!mathcursor) {
 756                 LyXFont const & font = view()->getLyXText()->real_current_font;
 757                 switch (ev.action) {
 758                 case LFUN_EMPH:
 759                         flag.setOnOff(font.emph() == LyXFont::ON);
 760                         break;
 761                 case LFUN_NOUN:
 762                         flag.setOnOff(font.noun() == LyXFont::ON);
 763                         break;
 764                 case LFUN_BOLD:
 765                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 766                         break;
 767                 case LFUN_SANS:
 768                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 769                         break;
 770                 case LFUN_ROMAN:
 771                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 772                         break;
 773                 case LFUN_CODE:
 774                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 775                         break;
 776                 default:
 777                         break;
 778                 }
 779         } else {
 780                 string tc = mathcursor->getLastCode();
 781                 switch (ev.action) {
 782                 case LFUN_BOLD:
 783                         flag.setOnOff(tc == "mathbf");
 784                         break;
 785                 case LFUN_SANS:
 786                         flag.setOnOff(tc == "mathsf");
 787                         break;
 788                 case LFUN_EMPH:
 789                         flag.setOnOff(tc == "mathcal");
 790                         break;
 791                 case LFUN_ROMAN:
 792                         flag.setOnOff(tc == "mathrm");
 793                         break;
 794                 case LFUN_CODE:
 795                         flag.setOnOff(tc == "mathtt");
 796                         break;
 797                 case LFUN_NOUN:
 798                         flag.setOnOff(tc == "mathbb");
 799                         break;
 800                 case LFUN_DEFAULT:
 801                         flag.setOnOff(tc == "mathnormal");
 802                         break;
 803                 default:
 804                         break;
 805                 }
 806         }
 807
 808         // this one is difficult to get right. As a half-baked
 809         // solution, we consider only the first action of the sequence
 810         if (ev.action == LFUN_SEQUENCE) {
 811                 // argument contains ';'-terminated commands
 812 #warning LyXAction arguements not handled here.
 813                 flag = getStatus(FuncRequest(lyxaction.lookupFunc(token(ev.argument, ';', 0))));
 814         }
 815
 816         return flag;
 817 }
 818
 819
 820 namespace {
 821
 822 bool ensureBufferClean(BufferView * bv)
 823 {
 824         Buffer & buf = *bv->buffer();
 825         if (buf.isClean())
 826                 return true;
 827
 828         string const file = MakeDisplayPath(buf.fileName(), 30);
 829         string text = bformat(_("The document %1$s has unsaved "
 830                                 "changes.\n\nDo you want to save "
 831                                 "the document?"), file);
 832         int const ret = Alert::prompt(_("Save changed document?"),
 833                                       text, 0, 1, _("&Save"),
 834                                       _("&Cancel"));
 835
 836         if (ret == 0)
 837                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 838
 839         return buf.isClean();
 840 }
 841
 842 } //namespace anon
 843
 844
 845 void LyXFunc::dispatch(FuncRequest const & func, bool verbose)
 846 {
 847         string argument = func.argument;
 848         kb_action action = func.action;
 849
 850         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << action
 851                               <<"] arg[" << argument << ']' << endl;
 852
 853         // we have not done anything wrong yet.
 854         errorstat = false;
 855         dispatch_buffer.erase();
 856
 857 #ifdef NEW_DISPATCHER
 858         // We try do call the most specific dispatcher first:
 859         //  1. the lockinginset's dispatch
 860         //  2. the bufferview's dispatch
 861         //  3. the lyxview's dispatch
 862 #endif
 863
 864         selection_possible = false;
 865
 866         // We cannot use this function here
 867         if (getStatus(func).disabled()) {
 868                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 869                        << lyxaction.getActionName(action)
 870                        << " [" << action << "] is disabled at this location"
 871                        << endl;
 872                 setErrorMessage(getStatusMessage());
 873                 goto exit_with_message;
 874         }
 875
 876         if (view()->available())
 877                 view()->hideCursor();
 878
 879 #if 0
 880         {
 881                 Cursor cursor;
 882                 buildCursor(cursor, *view());
 883                 if (cursor.dispatch(FuncRequest(func, view())) == DISPATCHED) {
 884                         lyxerr << "dispatched by Cursor::dispatch()\n";
 885                         goto exit_with_message;
 886                 }
 887         }
 888 #endif
 889
 890
 891         if (view()->available() && view()->theLockingInset()) {
 892                 dispatch_result result;
 893                 if (action > 1 || (action == LFUN_UNKNOWN_ACTION &&
 894                                      !keyseq.deleted()))
 895                 {
 896                         UpdatableInset * inset = view()->theLockingInset();
 897 #if 1
 898                         int inset_x;
 899                         int dummy_y;
 900                         inset->getCursorPos(view(), inset_x, dummy_y);
 901 #endif
 902                         if (action == LFUN_UNKNOWN_ACTION
 903                             && argument.empty()) {
 904                                 argument = encoded_last_key;
 905                         }
 906
 907                         // the insets can't try to handle this,
 908                         // a table cell in the dummy position will
 909                         // lock its insettext, the insettext will
 910                         // pass it the bufferview, and succeed,
 911                         // so it will stay not locked. Not good
 912                         // if we've just done LFUN_ESCAPE (which
 913                         // injects an LFUN_PARAGRAPH_UPDATE)
 914                         if (action == LFUN_PARAGRAPH_UPDATE) {
 915                                 view()->dispatch(func);
 916                                 goto exit_with_message;
 917                         }
 918
 919                         // Undo/Redo is a bit tricky for insets.
 920                         if (action == LFUN_UNDO) {
 921                                 view()->undo();
 922                                 goto exit_with_message;
 923                         }
 924
 925                         if (action == LFUN_REDO) {
 926                                 view()->redo();
 927                                 goto exit_with_message;
 928                         }
 929
 930                         // Hand-over to inset's own dispatch:
 931                         result = inset->localDispatch(FuncRequest(view(), action, argument));
 932                         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE) {
 933                                 goto exit_with_message;
 934                         }
 935
 936                         // If UNDISPATCHED, just soldier on
 937                         if (result == FINISHED) {
 938                                 owner->clearMessage();
 939                                 goto exit_with_message;
 940                                 // We do not need special RTL handling here:
 941                                 // FINISHED means that the cursor should be
 942                                 // one position after the inset.
 943                         }
 944
 945                         if (result == FINISHED_RIGHT) {
 946                                 view()->text->cursorRight(view());
 947                                 moveCursorUpdate();
 948                                 owner->clearMessage();
 949                                 goto exit_with_message;
 950                         }
 951
 952                         if (result == FINISHED_UP) {
 953                                 RowList::iterator const irow = view()->text->cursorIRow();
 954                                 if (irow != view()->text->firstRow()) {
 955 #if 1
 956                                         view()->text->setCursorFromCoordinates(
 957                                                 view()->text->cursor.x() + inset_x,
 958                                                 view()->text->cursor.y() -
 959                                                 irow->baseline() - 1);
 960                                         view()->text->cursor.x_fix(view()->text->cursor.x());
 961 #else
 962                                         view()->text->cursorUp(view());
 963 #endif
 964                                         moveCursorUpdate();
 965                                 } else {
 966                                         view()->update();
 967                                 }
 968                                 owner->clearMessage();
 969                                 goto exit_with_message;
 970                         }
 971
 972                         if (result == FINISHED_DOWN) {
 973                                 RowList::iterator const irow = view()->text->cursorIRow();
 974                                 if (irow != view()->text->lastRow()) {
 975 #if 1
 976                                         view()->text->setCursorFromCoordinates(
 977                                                 view()->text->cursor.x() + inset_x,
 978                                                 view()->text->cursor.y() -
 979                                                 irow->baseline() +
 980                                                 irow->height() + 1);
 981                                         view()->text->cursor.x_fix(view()->text->cursor.x());
 982 #else
 983                                         view()->text->cursorDown(view());
 984 #endif
 985                                 } else {
 986                                         view()->text->cursorRight(view());
 987                                 }
 988                                 moveCursorUpdate();
 989                                 owner->clearMessage();
 990                                 goto exit_with_message;
 991                         }
 992
 993 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 994                         // result == UNDISPATCHED
 995                         //setMessage(N_("Text mode"));
 996                         switch (action) {
 997                         case LFUN_UNKNOWN_ACTION:
 998                         case LFUN_BREAKPARAGRAPH:
 999                         case LFUN_BREAKLINE:
1000                                 view()->text->cursorRight(view());
1001                                 view()->switchKeyMap();
1002                                 owner->view_state_changed();
1003                                 break;
1004                         case LFUN_RIGHT:
1005                                 if (!view()->text->cursorPar()->isRightToLeftPar(owner->buffer()->params())) {
1006                                         view()->text->cursorRight(view());
1007                                         moveCursorUpdate();
1008                                         owner->view_state_changed();
1009                                 }
1010                                 goto exit_with_message;
1011                         case LFUN_LEFT:
1012                                 if (view()->text->cursorPar()->isRightToLeftPar(owner->buffer()->params())) {
1013                                         view()->text->cursorRight(view());
1014                                         moveCursorUpdate();
1015                                         owner->view_state_changed();
1016                                 }
1017                                 goto exit_with_message;
1018                         case LFUN_DOWN:
1019                                 if (view()->text->cursorRow() != view()->text->lastRow())
1020                                         view()->text->cursorDown(view());
1021                                 else
1022                                         view()->text->cursorRight(view());
1023                                 moveCursorUpdate();
1024                                 owner->view_state_changed();
1025                                 goto exit_with_message;
1026                         default:
1027                                 break;
1028                         }
1029                 }
1030         }
1031
1032         switch (action) {
1033
1034         case LFUN_ESCAPE: {
1035                 if (!view()->available())
1036                         break;
1037                 // this function should be used always [asierra060396]
1038                 UpdatableInset * tli = view()->theLockingInset();
1039                 if (tli) {
1040                         UpdatableInset * lock = tli->getLockingInset();
1041
1042                         if (tli == lock) {
1043                                 view()->unlockInset(tli);
1044                                 view()->text->cursorRight(view());
1045                                 moveCursorUpdate();
1046                                 owner->view_state_changed();
1047                         } else {
1048                                 tli->unlockInsetInInset(view(), lock, true);
1049                         }
1050                         finishUndo();
1051                         // Tell the paragraph dialog that we changed paragraph
1052                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1053                 }
1054                 break;
1055         }
1056
1057         case LFUN_WORDFINDFORWARD:
1058         case LFUN_WORDFINDBACKWARD: {
1059                 static string last_search;
1060                 string searched_string;
1061
1062                 if (!argument.empty()) {
1063                         last_search = argument;
1064                         searched_string = argument;
1065                 } else {
1066                         searched_string = last_search;
1067                 }
1068                 bool fw = (action == LFUN_WORDFINDFORWARD);
1069                 if (!searched_string.empty())
1070                         lyx::find::find(view(), searched_string, fw);
1071                 break;
1072         }
1073
1074         case LFUN_PREFIX:
1075                 if (view()->available() && !view()->theLockingInset())
1076                         view()->update();
1077                 owner->message(keyseq.printOptions());
1078                 break;
1079
1080         // --- Misc -------------------------------------------
1081         case LFUN_EXEC_COMMAND:
1082                 owner->focus_command_buffer();
1083                 break;
1084
1085         case LFUN_CANCEL:
1086                 keyseq.reset();
1087                 meta_fake_bit = key_modifier::none;
1088                 if (view()->available())
1089                         // cancel any selection
1090                         dispatch(FuncRequest(LFUN_MARK_OFF));
1091                 setMessage(N_("Cancel"));
1092                 break;
1093
1094         case LFUN_META_FAKE:
1095                 meta_fake_bit = key_modifier::alt;
1096                 setMessage(keyseq.print());
1097                 break;
1098
1099         case LFUN_READ_ONLY_TOGGLE:
1100                 if (owner->buffer()->lyxvc().inUse())
1101                         owner->buffer()->lyxvc().toggleReadOnly();
1102                 else
1103                         owner->buffer()->setReadonly(
1104                                 !owner->buffer()->isReadonly());
1105                 break;
1106
1107         case LFUN_CENTER: // this is center and redraw.
1108                 view()->center();
1109                 break;
1110
1111                 // --- Menus -----------------------------------------------
1112         case LFUN_MENUNEW:
1113                 menuNew(argument, false);
1114                 break;
1115
1116         case LFUN_MENUNEWTMPLT:
1117                 menuNew(argument, true);
1118                 break;
1119
1120         case LFUN_CLOSEBUFFER:
1121                 closeBuffer();
1122                 break;
1123
1124         case LFUN_MENUWRITE:
1125                 if (!owner->buffer()->isUnnamed()) {
1126                         string const str = bformat(_("Saving document %1$s..."),
1127                            MakeDisplayPath(owner->buffer()->fileName()));
1128                         owner->message(str);
1129                         MenuWrite(owner->buffer());
1130                         owner->message(str + _(" done."));
1131                 } else
1132                         WriteAs(owner->buffer());
1133                 break;
1134
1135         case LFUN_WRITEAS:
1136                 WriteAs(owner->buffer(), argument);
1137                 break;
1138
1139         case LFUN_MENURELOAD: {
1140                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1141                 string text = bformat(_("Any changes will be lost. Are you sure "
1142                         "you want to revert to the saved version of the document %1$s?"), file);
1143                 int const ret = Alert::prompt(_("Revert to saved document?"),
1144                         text, 0, 1, _("&Revert"), _("&Cancel"));
1145
1146                 if (ret == 0)
1147                         view()->reload();
1148                 break;
1149         }
1150
1151         case LFUN_UPDATE:
1152                 Exporter::Export(owner->buffer(), argument, true);
1153                 view()->showErrorList(BufferFormat(*owner->buffer()));
1154                 break;
1155
1156         case LFUN_PREVIEW:
1157                 Exporter::Preview(owner->buffer(), argument);
1158                 view()->showErrorList(BufferFormat(*owner->buffer()));
1159                 break;
1160
1161         case LFUN_BUILDPROG:
1162                 Exporter::Export(owner->buffer(), "program", true);
1163                 view()->showErrorList(_("Build"));
1164                 break;
1165
1166         case LFUN_RUNCHKTEX:
1167                 owner->buffer()->runChktex();
1168                 view()->showErrorList(_("ChkTeX"));
1169                 break;
1170
1171         case LFUN_EXPORT:
1172                 if (argument == "custom")
1173                         owner->getDialogs().showSendto();
1174                 else {
1175                         Exporter::Export(owner->buffer(), argument, false);
1176                         view()->showErrorList(BufferFormat(*owner->buffer()));
1177                 }
1178                 break;
1179
1180         case LFUN_IMPORT:
1181                 doImport(argument);
1182                 break;
1183
1184         case LFUN_QUIT:
1185                 QuitLyX();
1186                 break;
1187
1188         case LFUN_TOCVIEW:
1189         {
1190                 InsetCommandParams p("tableofcontents");
1191                 string const data = InsetCommandMailer::params2string("toc", p);
1192                 owner->getDialogs().show("toc", data, 0);
1193                 break;
1194         }
1195
1196         case LFUN_AUTOSAVE:
1197                 AutoSave(view());
1198                 break;
1199
1200         case LFUN_UNDO:
1201                 view()->undo();
1202                 break;
1203
1204         case LFUN_REDO:
1205                 view()->redo();
1206                 break;
1207
1208         case LFUN_FREEFONT_APPLY:
1209                 apply_freefont(view());
1210                 break;
1211
1212         case LFUN_FREEFONT_UPDATE:
1213                 update_and_apply_freefont(view(), argument);
1214                 break;
1215
1216         case LFUN_RECONFIGURE:
1217                 Reconfigure(view());
1218                 break;
1219
1220 #if 0
1221         case LFUN_FLOATSOPERATE:
1222                 if (argument == "openfoot")
1223                         view()->allFloats(1,0);
1224                 else if (argument == "closefoot")
1225                         view()->allFloats(0,0);
1226                 else if (argument == "openfig")
1227                         view()->allFloats(1,1);
1228                 else if (argument == "closefig")
1229                         view()->allFloats(0,1);
1230                 break;
1231 #else
1232 #ifdef WITH_WARNINGS
1233 //#warning Find another implementation here (or another lyxfunc)!
1234 #endif
1235 #endif
1236         case LFUN_HELP_OPEN:
1237         {
1238                 string const arg = argument;
1239                 if (arg.empty()) {
1240                         setErrorMessage(N_("Missing argument"));
1241                         break;
1242                 }
1243                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1244                 if (fname.empty()) {
1245                         lyxerr << "LyX: unable to find documentation file `"
1246                                << arg << "'. Bad installation?" << endl;
1247                         break;
1248                 }
1249                 owner->message(bformat(_("Opening help file %1$s..."),
1250                         MakeDisplayPath(fname)));
1251                 view()->loadLyXFile(fname, false);
1252                 break;
1253         }
1254
1255                 // --- version control -------------------------------
1256         case LFUN_VC_REGISTER:
1257         {
1258                 if (!ensureBufferClean(view()))
1259                         break;
1260                 if (!owner->buffer()->lyxvc().inUse()) {
1261                         owner->buffer()->lyxvc().registrer();
1262                         view()->reload();
1263                 }
1264         }
1265         break;
1266
1267         case LFUN_VC_CHECKIN:
1268         {
1269                 if (!ensureBufferClean(view()))
1270                         break;
1271                 if (owner->buffer()->lyxvc().inUse()
1272                     && !owner->buffer()->isReadonly()) {
1273                         owner->buffer()->lyxvc().checkIn();
1274                         view()->reload();
1275                 }
1276         }
1277         break;
1278
1279         case LFUN_VC_CHECKOUT:
1280         {
1281                 if (!ensureBufferClean(view()))
1282                         break;
1283                 if (owner->buffer()->lyxvc().inUse()
1284                     && owner->buffer()->isReadonly()) {
1285                         owner->buffer()->lyxvc().checkOut();
1286                         view()->reload();
1287                 }
1288         }
1289         break;
1290
1291         case LFUN_VC_REVERT:
1292         {
1293                 owner->buffer()->lyxvc().revert();
1294                 view()->reload();
1295         }
1296         break;
1297
1298         case LFUN_VC_UNDO:
1299         {
1300                 owner->buffer()->lyxvc().undoLast();
1301                 view()->reload();
1302         }
1303         break;
1304
1305         // --- buffers ----------------------------------------
1306
1307         case LFUN_SWITCHBUFFER:
1308                 view()->buffer(bufferlist.getBuffer(argument));
1309                 break;
1310
1311         case LFUN_FILE_NEW:
1312                 NewFile(view(), argument);
1313                 break;
1314
1315         case LFUN_FILE_OPEN:
1316                 open(argument);
1317                 break;
1318
1319         case LFUN_LAYOUT_TABULAR:
1320             if (view()->theLockingInset()) {
1321                 if (view()->theLockingInset()->lyxCode()== InsetOld::TABULAR_CODE) {
1322                     InsetTabular * inset = static_cast<InsetTabular *>
1323                         (view()->theLockingInset());
1324                     inset->openLayoutDialog(view());
1325                 } else if (view()->theLockingInset()->
1326                            getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)!=0) {
1327                     InsetTabular * inset = static_cast<InsetTabular *>(
1328                         view()->theLockingInset()->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
1329                     inset->openLayoutDialog(view());
1330                 }
1331             }
1332             break;
1333
1334         case LFUN_DROP_LAYOUTS_CHOICE:
1335                 owner->getToolbar().openLayoutList();
1336                 break;
1337
1338         case LFUN_MENU_OPEN_BY_NAME:
1339                 owner->getMenubar().openByName(argument);
1340                 break; // RVDK_PATCH_5
1341
1342         // --- lyxserver commands ----------------------------
1343
1344
1345         case LFUN_GETNAME:
1346                 setMessage(owner->buffer()->fileName());
1347                 lyxerr[Debug::INFO] << "FNAME["
1348                                << owner->buffer()->fileName()
1349                                << "] " << endl;
1350                 break;
1351
1352         case LFUN_NOTIFY:
1353         {
1354                 dispatch_buffer = keyseq.print();
1355                 lyxserver->notifyClient(dispatch_buffer);
1356         }
1357         break;
1358
1359         case LFUN_GOTOFILEROW:
1360         {
1361                 string file_name;
1362                 int row;
1363                 istringstream istr(argument.c_str());
1364                 istr >> file_name >> row;
1365                 // Must replace extension of the file to be .lyx and get full path
1366                 string const s(ChangeExtension(file_name, ".lyx"));
1367
1368                 // Either change buffer or load the file
1369                 if (bufferlist.exists(s)) {
1370                         view()->buffer(bufferlist.getBuffer(s));
1371                 } else {
1372                         view()->loadLyXFile(s);
1373                 }
1374
1375                 view()->setCursorFromRow(row);
1376
1377                 view()->center();
1378                 // see BufferView_pimpl::center()
1379                 view()->updateScrollbar();
1380         }
1381         break;
1382
1383         case LFUN_GOTO_PARAGRAPH:
1384         {
1385                 istringstream istr(argument.c_str());
1386
1387                 int id;
1388                 istr >> id;
1389                 ParIterator par = owner->buffer()->getParFromID(id);
1390                 if (par == owner->buffer()->par_iterator_end()) {
1391                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1392                                             << id << ']' << endl;
1393                         break;
1394                 } else {
1395                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1396                                             << " found." << endl;
1397                 }
1398
1399                 if (view()->theLockingInset())
1400                         view()->unlockInset(view()->theLockingInset());
1401                 if (par->inInset()) {
1402                         FuncRequest cmd(view(), LFUN_INSET_EDIT, "left");
1403                         par->inInset()->localDispatch(cmd);
1404                 }
1405                 // Set the cursor
1406                 view()->getLyXText()->setCursor(par.pit(), 0);
1407                 view()->switchKeyMap();
1408                 owner->view_state_changed();
1409
1410                 view()->center();
1411                 // see BufferView_pimpl::center()
1412                 view()->updateScrollbar();
1413         }
1414         break;
1415
1416         // --- insert characters ----------------------------------------
1417
1418         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1419         case LFUN_MATH_EXTERN:
1420         case LFUN_MATH_NUMBER:
1421         case LFUN_MATH_NONUMBER:
1422         case LFUN_MATH_LIMITS:
1423         {
1424                 setErrorMessage(N_("This is only allowed in math mode!"));
1425         }
1426         break;
1427
1428         // passthrough hat and underscore outside mathed:
1429         case LFUN_SUBSCRIPT:
1430                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1431                 break;
1432         case LFUN_SUPERSCRIPT:
1433                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1434                 break;
1435
1436         case LFUN_DIALOG_SHOW: {
1437                 string const name = func.getArg(0);
1438                 string data = trim(func.argument.substr(name.size()));
1439
1440                 if (name == "character") {
1441                         data = freefont2string();
1442                         if (!data.empty())
1443                                 owner->getDialogs().show("character", data);
1444                 } else if (name == "document")
1445                         owner->getDialogs().showDocument();
1446                 else if (name == "findreplace")
1447                         owner->getDialogs().showSearch();
1448                 else if (name == "forks")
1449                         owner->getDialogs().showForks();
1450                 else if (name == "preamble")
1451                         owner->getDialogs().showPreamble();
1452                 else if (name == "preferences")
1453                         owner->getDialogs().showPreferences();
1454                 else if (name == "print")
1455                         owner->getDialogs().showPrint();
1456                 else if (name == "spellchecker")
1457                         owner->getDialogs().showSpellchecker();
1458                 else
1459                         owner->getDialogs().show(name, data);
1460                 break;
1461         }
1462
1463         case LFUN_DIALOG_SHOW_NEW_INSET: {
1464                 string const & name = argument;
1465                 string data;
1466                 if (name == "bibitem" ||
1467                     name == "bibtex" ||
1468                     name == "include" ||
1469                     name == "index" ||
1470                     name == "ref" ||
1471                     name == "toc" ||
1472                     name == "url") {
1473                         InsetCommandParams p(name);
1474                         data = InsetCommandMailer::params2string(name, p);
1475                 } else if (name == "citation") {
1476                         InsetCommandParams p("cite");
1477                         data = InsetCommandMailer::params2string(name, p);
1478                 }
1479                 owner->getDialogs().show(name, data, 0);
1480         }
1481         break;
1482
1483         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1484         }
1485         break;
1486
1487         case LFUN_INSET_DIALOG_SHOW: {
1488                 LyXText * lt = view()->getLyXText();
1489                 InsetOld * inset = lt->getInset();
1490                 if (inset) {
1491                         FuncRequest cmd(view(), LFUN_INSET_DIALOG_SHOW);
1492                         inset->localDispatch(cmd);
1493                 }
1494         }
1495         break;
1496
1497         case LFUN_DIALOG_UPDATE: {
1498                 string const & name = argument;
1499                 // Can only update a dialog connected to an existing inset
1500                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1501                 if (inset) {
1502                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1503                                        func.argument);
1504                         inset->localDispatch(fr);
1505                 } else if (name == "paragraph") {
1506                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1507                 }
1508         }
1509         break;
1510
1511         case LFUN_DIALOG_HIDE:
1512                 Dialogs::hide(argument, 0);
1513                 break;
1514
1515         case LFUN_DIALOG_DISCONNECT_INSET:
1516                 owner->getDialogs().disconnect(argument);
1517                 break;
1518
1519         case LFUN_CHILDOPEN:
1520         {
1521                 string const filename =
1522                         MakeAbsPath(argument, owner->buffer()->filePath());
1523                 setMessage(N_("Opening child document ") +
1524                            MakeDisplayPath(filename) + "...");
1525                 view()->savePosition(0);
1526                 if (bufferlist.exists(filename))
1527                         view()->buffer(bufferlist.getBuffer(filename));
1528                 else
1529                         view()->loadLyXFile(filename);
1530         }
1531         break;
1532
1533         case LFUN_TOGGLECURSORFOLLOW:
1534                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1535                 break;
1536
1537         case LFUN_KMAP_OFF:
1538                 owner->getIntl().KeyMapOn(false);
1539                 break;
1540
1541         case LFUN_KMAP_PRIM:
1542                 owner->getIntl().KeyMapPrim();
1543                 break;
1544
1545         case LFUN_KMAP_SEC:
1546                 owner->getIntl().KeyMapSec();
1547                 break;
1548
1549         case LFUN_KMAP_TOGGLE:
1550                 owner->getIntl().ToggleKeyMap();
1551                 break;
1552
1553         case LFUN_SEQUENCE:
1554         {
1555                 // argument contains ';'-terminated commands
1556                 while (!argument.empty()) {
1557                         string first;
1558                         argument = split(argument, first, ';');
1559                         dispatch(lyxaction.lookupFunc(first));
1560                 }
1561         }
1562         break;
1563
1564         case LFUN_SAVEPREFERENCES:
1565         {
1566                 Path p(user_lyxdir());
1567                 lyxrc.write("preferences");
1568         }
1569         break;
1570
1571         case LFUN_SCREEN_FONT_UPDATE:
1572         {
1573                 // handle the screen font changes.
1574                 lyxrc.set_font_norm_type();
1575                 lyx_gui::update_fonts();
1576                 // We also need to empty the textcache so that
1577                 // the buffer will be formatted correctly after
1578                 // a zoom change.
1579                 textcache.clear();
1580                 // Of course we should only do the resize and the textcache.clear
1581                 // if values really changed...but not very important right now. (Lgb)
1582                 // All visible buffers will need resize
1583                 view()->resize();
1584                 view()->update();
1585         }
1586         break;
1587
1588         case LFUN_SET_COLOR:
1589         {
1590                 string lyx_name;
1591                 string const x11_name = split(argument, lyx_name, ' ');
1592                 if (lyx_name.empty() || x11_name.empty()) {
1593                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1594                                                 " <x11_name>"));
1595                         break;
1596                         }
1597
1598                 bool const graphicsbg_changed =
1599                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1600                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1601
1602                 if (!lcolor.setColor(lyx_name, x11_name)) {
1603                         setErrorMessage(
1604                                 bformat(_("Set-color \"%1$s\" failed "
1605                                                   "- color is undefined or "
1606                                                   "may not be redefined"), lyx_name));
1607                         break;
1608                 }
1609
1610                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1611
1612                 if (graphicsbg_changed) {
1613 #ifdef WITH_WARNINGS
1614 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1615 #endif
1616 #if 0
1617                         lyx::graphics::GCache & gc =
1618                                 lyx::graphics::GCache::get();
1619                         gc.changeDisplay(true);
1620 #endif
1621                 }
1622
1623                 view()->update();
1624                 break;
1625         }
1626
1627         case LFUN_MESSAGE:
1628                 owner->message(argument);
1629                 break;
1630
1631         case LFUN_FORKS_KILL:
1632         {
1633                 if (!isStrInt(argument))
1634                         break;
1635
1636                 pid_t const pid = strToInt(argument);
1637                 ForkedcallsController & fcc = ForkedcallsController::get();
1638                 fcc.kill(pid);
1639                 break;
1640         }
1641
1642         case LFUN_TOOLTIPS_TOGGLE:
1643                 owner->getDialogs().toggleTooltips();
1644                 break;
1645
1646         case LFUN_EXTERNAL_EDIT: {
1647                 InsetExternal().localDispatch(FuncRequest(view(), action, argument));
1648                 break;
1649         }
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 }