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 void LyXFunc::dispatch(string const & s, bool verbose)
 821 {
 822         FuncRequest func = lyxaction.lookupFunc(s);
 823
 824         if (func.action == LFUN_UNKNOWN_ACTION) {
 825                 owner->message(bformat(_("Unknown function (%1$s)"), s));
 826                 return;
 827         }
 828
 829         dispatch(func, verbose);
 830 }
 831
 832
 833 namespace {
 834         bool ensureBufferClean(BufferView * bv) {
 835
 836                 Buffer & buf = *bv->buffer();
 837                 if (buf.isClean())
 838                         return true;
 839
 840                 string const file = MakeDisplayPath(buf.fileName(), 30);
 841                 string text = bformat(_("The document %1$s has unsaved "
 842                                         "changes.\n\nDo you want to save "
 843                                         "the document?"), file);
 844                 int const ret = Alert::prompt(_("Save changed document?"),
 845                                               text, 0, 1, _("&Save"),
 846                                               _("&Cancel"));
 847
 848                 if (ret == 0)
 849                         bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 850
 851                 return buf.isClean();
 852         }
 853
 854 } //namespace anon
 855
 856
 857 void LyXFunc::dispatch(FuncRequest const & func, bool verbose)
 858 {
 859         string argument = func.argument;
 860         kb_action action = func.action;
 861
 862         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << action
 863                               <<"] arg[" << argument << ']' << endl;
 864
 865         // we have not done anything wrong yet.
 866         errorstat = false;
 867         dispatch_buffer.erase();
 868
 869 #ifdef NEW_DISPATCHER
 870         // We try do call the most specific dispatcher first:
 871         //  1. the lockinginset's dispatch
 872         //  2. the bufferview's dispatch
 873         //  3. the lyxview's dispatch
 874 #endif
 875
 876         selection_possible = false;
 877
 878         // We cannot use this function here
 879         if (getStatus(func).disabled()) {
 880                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 881                        << lyxaction.getActionName(action)
 882                        << " [" << action << "] is disabled at this location"
 883                        << endl;
 884                 setErrorMessage(getStatusMessage());
 885                 goto exit_with_message;
 886         }
 887
 888         if (view()->available())
 889                 view()->hideCursor();
 890
 891 #if 1
 892         {
 893                 Cursor cursor;
 894                 buildCursor(cursor, *view());
 895                 if (cursor.dispatch(FuncRequest(func, view())) == DISPATCHED) {
 896                         lyxerr << "dispatched by Cursor::dispatch()\n";
 897                         goto exit_with_message;
 898                 }
 899         }
 900 #endif
 901
 902
 903         if (view()->available() && view()->theLockingInset()) {
 904                 InsetOld::RESULT result;
 905                 if (action > 1 || (action == LFUN_UNKNOWN_ACTION &&
 906                                      !keyseq.deleted()))
 907                 {
 908                         UpdatableInset * inset = view()->theLockingInset();
 909 #if 1
 910                         int inset_x;
 911                         int dummy_y;
 912                         inset->getCursorPos(view(), inset_x, dummy_y);
 913 #endif
 914                         if (action == LFUN_UNKNOWN_ACTION
 915                             && argument.empty()) {
 916                                 argument = encoded_last_key;
 917                         }
 918
 919                         // the insets can't try to handle this,
 920                         // a table cell in the dummy position will
 921                         // lock its insettext, the insettext will
 922                         // pass it the bufferview, and succeed,
 923                         // so it will stay not locked. Not good
 924                         // if we've just done LFUN_ESCAPE (which
 925                         // injects an LFUN_PARAGRAPH_UPDATE)
 926                         if (action == LFUN_PARAGRAPH_UPDATE) {
 927                                 view()->dispatch(func);
 928                                 goto exit_with_message;
 929                         }
 930
 931                         // Undo/Redo is a bit tricky for insets.
 932                         if (action == LFUN_UNDO) {
 933                                 view()->undo();
 934                                 goto exit_with_message;
 935                         } else if (action == LFUN_REDO) {
 936                                 view()->redo();
 937                                 goto exit_with_message;
 938                         } else if (((result=inset->
 939                                      // Hand-over to inset's own dispatch:
 940                                      localDispatch(FuncRequest(view(), action, argument))) ==
 941                                     DISPATCHED) ||
 942                                    (result == DISPATCHED_NOUPDATE))
 943                                 goto exit_with_message;
 944                                         // If UNDISPATCHED, just soldier on
 945                         else if (result == FINISHED) {
 946                                 owner->clearMessage();
 947                                 goto exit_with_message;
 948                                 // We do not need special RTL handling here:
 949                                 // FINISHED means that the cursor should be
 950                                 // one position after the inset.
 951                         } else if (result == FINISHED_RIGHT) {
 952                                 view()->text->cursorRight(view());
 953                                 moveCursorUpdate();
 954                                 owner->clearMessage();
 955                                 goto exit_with_message;
 956                         } else if (result == FINISHED_UP) {
 957                                 RowList::iterator const irow = view()->text->cursorIRow();
 958                                 if (irow != view()->text->firstRow()) {
 959 #if 1
 960                                         view()->text->setCursorFromCoordinates(
 961                                                 view()->text->cursor.x() + inset_x,
 962                                                 view()->text->cursor.y() -
 963                                                 irow->baseline() - 1);
 964                                         view()->text->cursor.x_fix(view()->text->cursor.x());
 965 #else
 966                                         view()->text->cursorUp(view());
 967 #endif
 968                                         moveCursorUpdate();
 969                                 } else {
 970                                         view()->update();
 971                                 }
 972                                 owner->clearMessage();
 973                                 goto exit_with_message;
 974                         } else if (result == FINISHED_DOWN) {
 975                                 RowList::iterator const irow = view()->text->cursorIRow();
 976                                 if (irow != view()->text->lastRow()) {
 977 #if 1
 978                                         view()->text->setCursorFromCoordinates(
 979                                                 view()->text->cursor.x() + inset_x,
 980                                                 view()->text->cursor.y() -
 981                                                 irow->baseline() +
 982                                                 irow->height() + 1);
 983                                         view()->text->cursor.x_fix(view()->text->cursor.x());
 984 #else
 985                                         view()->text->cursorDown(view());
 986 #endif
 987                                 } else {
 988                                         view()->text->cursorRight(view());
 989                                 }
 990                                 moveCursorUpdate();
 991                                 owner->clearMessage();
 992                                 goto exit_with_message;
 993                         }
 994 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 995                         else { // result == UNDISPATCHED
 996                                 //setMessage(N_("Text mode"));
 997                                 switch (action) {
 998                                 case LFUN_UNKNOWN_ACTION:
 999                                 case LFUN_BREAKPARAGRAPH:
1000                                 case LFUN_BREAKLINE:
1001                                         view()->text->cursorRight(view());
1002                                         view()->switchKeyMap();
1003                                         owner->view_state_changed();
1004                                         break;
1005                                 case LFUN_RIGHT:
1006                                         if (!view()->text->cursorPar()->isRightToLeftPar(owner->buffer()->params())) {
1007                                                 view()->text->cursorRight(view());
1008                                                 moveCursorUpdate();
1009                                                 owner->view_state_changed();
1010                                         }
1011                                         goto exit_with_message;
1012                                 case LFUN_LEFT:
1013                                         if (view()->text->cursorPar()->isRightToLeftPar(owner->buffer()->params())) {
1014                                                 view()->text->cursorRight(view());
1015                                                 moveCursorUpdate();
1016                                                 owner->view_state_changed();
1017                                         }
1018                                         goto exit_with_message;
1019                                 case LFUN_DOWN:
1020                                         if (view()->text->cursorRow() != view()->text->lastRow())
1021                                                 view()->text->cursorDown(view());
1022                                         else
1023                                                 view()->text->cursorRight(view());
1024                                         moveCursorUpdate();
1025                                         owner->view_state_changed();
1026                                         goto exit_with_message;
1027                                 default:
1028                                         break;
1029                                 }
1030                         }
1031                 }
1032         }
1033
1034         switch (action) {
1035
1036         case LFUN_ESCAPE: {
1037                 if (!view()->available())
1038                         break;
1039                 // this function should be used always [asierra060396]
1040                 UpdatableInset * tli = view()->theLockingInset();
1041                 if (tli) {
1042                         UpdatableInset * lock = tli->getLockingInset();
1043
1044                         if (tli == lock) {
1045                                 view()->unlockInset(tli);
1046                                 view()->text->cursorRight(view());
1047                                 moveCursorUpdate();
1048                                 owner->view_state_changed();
1049                         } else {
1050                                 tli->unlockInsetInInset(view(), lock, true);
1051                         }
1052                         finishUndo();
1053                         // Tell the paragraph dialog that we changed paragraph
1054                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1055                 }
1056                 break;
1057         }
1058
1059         case LFUN_WORDFINDFORWARD:
1060         case LFUN_WORDFINDBACKWARD: {
1061                 static string last_search;
1062                 string searched_string;
1063
1064                 if (!argument.empty()) {
1065                         last_search = argument;
1066                         searched_string = argument;
1067                 } else {
1068                         searched_string = last_search;
1069                 }
1070                 bool fw = (action == LFUN_WORDFINDFORWARD);
1071                 if (!searched_string.empty())
1072                         lyx::find::find(view(), searched_string, fw);
1073                 break;
1074         }
1075
1076         case LFUN_PREFIX:
1077                 if (view()->available() && !view()->theLockingInset())
1078                         view()->update();
1079                 owner->message(keyseq.printOptions());
1080                 break;
1081
1082         // --- Misc -------------------------------------------
1083         case LFUN_EXEC_COMMAND:
1084                 owner->focus_command_buffer();
1085                 break;
1086
1087         case LFUN_CANCEL:
1088                 keyseq.reset();
1089                 meta_fake_bit = key_modifier::none;
1090                 if (view()->available())
1091                         // cancel any selection
1092                         dispatch(FuncRequest(LFUN_MARK_OFF));
1093                 setMessage(N_("Cancel"));
1094                 break;
1095
1096         case LFUN_META_FAKE:
1097                 meta_fake_bit = key_modifier::alt;
1098                 setMessage(keyseq.print());
1099                 break;
1100
1101         case LFUN_READ_ONLY_TOGGLE:
1102                 if (owner->buffer()->lyxvc().inUse())
1103                         owner->buffer()->lyxvc().toggleReadOnly();
1104                 else
1105                         owner->buffer()->setReadonly(
1106                                 !owner->buffer()->isReadonly());
1107                 break;
1108
1109         case LFUN_CENTER: // this is center and redraw.
1110                 view()->center();
1111                 break;
1112
1113                 // --- Menus -----------------------------------------------
1114         case LFUN_MENUNEW:
1115                 menuNew(argument, false);
1116                 break;
1117
1118         case LFUN_MENUNEWTMPLT:
1119                 menuNew(argument, true);
1120                 break;
1121
1122         case LFUN_CLOSEBUFFER:
1123                 closeBuffer();
1124                 break;
1125
1126         case LFUN_MENUWRITE:
1127                 if (!owner->buffer()->isUnnamed()) {
1128                         string const str = bformat(_("Saving document %1$s..."),
1129                            MakeDisplayPath(owner->buffer()->fileName()));
1130                         owner->message(str);
1131                         MenuWrite(owner->buffer());
1132                         owner->message(str + _(" done."));
1133                 } else
1134                         WriteAs(owner->buffer());
1135                 break;
1136
1137         case LFUN_WRITEAS:
1138                 WriteAs(owner->buffer(), argument);
1139                 break;
1140
1141         case LFUN_MENURELOAD: {
1142                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1143                 string text = bformat(_("Any changes will be lost. Are you sure "
1144                         "you want to revert to the saved version of the document %1$s?"), file);
1145                 int const ret = Alert::prompt(_("Revert to saved document?"),
1146                         text, 0, 1, _("&Revert"), _("&Cancel"));
1147
1148                 if (ret == 0)
1149                         view()->reload();
1150                 break;
1151         }
1152
1153         case LFUN_UPDATE:
1154                 Exporter::Export(owner->buffer(), argument, true);
1155                 view()->showErrorList(BufferFormat(*owner->buffer()));
1156                 break;
1157
1158         case LFUN_PREVIEW:
1159                 Exporter::Preview(owner->buffer(), argument);
1160                 view()->showErrorList(BufferFormat(*owner->buffer()));
1161                 break;
1162
1163         case LFUN_BUILDPROG:
1164                 Exporter::Export(owner->buffer(), "program", true);
1165                 view()->showErrorList(_("Build"));
1166                 break;
1167
1168         case LFUN_RUNCHKTEX:
1169                 owner->buffer()->runChktex();
1170                 view()->showErrorList(_("ChkTeX"));
1171                 break;
1172
1173         case LFUN_EXPORT:
1174                 if (argument == "custom")
1175                         owner->getDialogs().showSendto();
1176                 else {
1177                         Exporter::Export(owner->buffer(), argument, false);
1178                         view()->showErrorList(BufferFormat(*owner->buffer()));
1179                 }
1180                 break;
1181
1182         case LFUN_IMPORT:
1183                 doImport(argument);
1184                 break;
1185
1186         case LFUN_QUIT:
1187                 QuitLyX();
1188                 break;
1189
1190         case LFUN_TOCVIEW:
1191         {
1192                 InsetCommandParams p("tableofcontents");
1193                 string const data = InsetCommandMailer::params2string("toc", p);
1194                 owner->getDialogs().show("toc", data, 0);
1195                 break;
1196         }
1197
1198         case LFUN_AUTOSAVE:
1199                 AutoSave(view());
1200                 break;
1201
1202         case LFUN_UNDO:
1203                 view()->undo();
1204                 break;
1205
1206         case LFUN_REDO:
1207                 view()->redo();
1208                 break;
1209
1210         case LFUN_FREEFONT_APPLY:
1211                 apply_freefont(view());
1212                 break;
1213
1214         case LFUN_FREEFONT_UPDATE:
1215                 update_and_apply_freefont(view(), argument);
1216                 break;
1217
1218         case LFUN_RECONFIGURE:
1219                 Reconfigure(view());
1220                 break;
1221
1222 #if 0
1223         case LFUN_FLOATSOPERATE:
1224                 if (argument == "openfoot")
1225                         view()->allFloats(1,0);
1226                 else if (argument == "closefoot")
1227                         view()->allFloats(0,0);
1228                 else if (argument == "openfig")
1229                         view()->allFloats(1,1);
1230                 else if (argument == "closefig")
1231                         view()->allFloats(0,1);
1232                 break;
1233 #else
1234 #ifdef WITH_WARNINGS
1235 //#warning Find another implementation here (or another lyxfunc)!
1236 #endif
1237 #endif
1238         case LFUN_HELP_OPEN:
1239         {
1240                 string const arg = argument;
1241                 if (arg.empty()) {
1242                         setErrorMessage(N_("Missing argument"));
1243                         break;
1244                 }
1245                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1246                 if (fname.empty()) {
1247                         lyxerr << "LyX: unable to find documentation file `"
1248                                << arg << "'. Bad installation?" << endl;
1249                         break;
1250                 }
1251                 owner->message(bformat(_("Opening help file %1$s..."),
1252                         MakeDisplayPath(fname)));
1253                 view()->loadLyXFile(fname, false);
1254                 break;
1255         }
1256
1257                 // --- version control -------------------------------
1258         case LFUN_VC_REGISTER:
1259         {
1260                 if (!ensureBufferClean(view()))
1261                         break;
1262                 if (!owner->buffer()->lyxvc().inUse()) {
1263                         owner->buffer()->lyxvc().registrer();
1264                         view()->reload();
1265                 }
1266         }
1267         break;
1268
1269         case LFUN_VC_CHECKIN:
1270         {
1271                 if (!ensureBufferClean(view()))
1272                         break;
1273                 if (owner->buffer()->lyxvc().inUse()
1274                     && !owner->buffer()->isReadonly()) {
1275                         owner->buffer()->lyxvc().checkIn();
1276                         view()->reload();
1277                 }
1278         }
1279         break;
1280
1281         case LFUN_VC_CHECKOUT:
1282         {
1283                 if (!ensureBufferClean(view()))
1284                         break;
1285                 if (owner->buffer()->lyxvc().inUse()
1286                     && owner->buffer()->isReadonly()) {
1287                         owner->buffer()->lyxvc().checkOut();
1288                         view()->reload();
1289                 }
1290         }
1291         break;
1292
1293         case LFUN_VC_REVERT:
1294         {
1295                 owner->buffer()->lyxvc().revert();
1296                 view()->reload();
1297         }
1298         break;
1299
1300         case LFUN_VC_UNDO:
1301         {
1302                 owner->buffer()->lyxvc().undoLast();
1303                 view()->reload();
1304         }
1305         break;
1306
1307         // --- buffers ----------------------------------------
1308
1309         case LFUN_SWITCHBUFFER:
1310                 view()->buffer(bufferlist.getBuffer(argument));
1311                 break;
1312
1313         case LFUN_FILE_NEW:
1314                 NewFile(view(), argument);
1315                 break;
1316
1317         case LFUN_FILE_OPEN:
1318                 open(argument);
1319                 break;
1320
1321         case LFUN_LAYOUT_TABULAR:
1322             if (view()->theLockingInset()) {
1323                 if (view()->theLockingInset()->lyxCode()== InsetOld::TABULAR_CODE) {
1324                     InsetTabular * inset = static_cast<InsetTabular *>
1325                         (view()->theLockingInset());
1326                     inset->openLayoutDialog(view());
1327                 } else if (view()->theLockingInset()->
1328                            getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)!=0) {
1329                     InsetTabular * inset = static_cast<InsetTabular *>(
1330                         view()->theLockingInset()->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
1331                     inset->openLayoutDialog(view());
1332                 }
1333             }
1334             break;
1335
1336         case LFUN_DROP_LAYOUTS_CHOICE:
1337                 owner->getToolbar().openLayoutList();
1338                 break;
1339
1340         case LFUN_MENU_OPEN_BY_NAME:
1341                 owner->getMenubar().openByName(argument);
1342                 break; // RVDK_PATCH_5
1343
1344         // --- lyxserver commands ----------------------------
1345
1346
1347         case LFUN_GETNAME:
1348                 setMessage(owner->buffer()->fileName());
1349                 lyxerr[Debug::INFO] << "FNAME["
1350                                << owner->buffer()->fileName()
1351                                << "] " << endl;
1352                 break;
1353
1354         case LFUN_NOTIFY:
1355         {
1356                 dispatch_buffer = keyseq.print();
1357                 lyxserver->notifyClient(dispatch_buffer);
1358         }
1359         break;
1360
1361         case LFUN_GOTOFILEROW:
1362         {
1363                 string file_name;
1364                 int row;
1365                 istringstream istr(argument.c_str());
1366                 istr >> file_name >> row;
1367                 // Must replace extension of the file to be .lyx and get full path
1368                 string const s(ChangeExtension(file_name, ".lyx"));
1369
1370                 // Either change buffer or load the file
1371                 if (bufferlist.exists(s)) {
1372                         view()->buffer(bufferlist.getBuffer(s));
1373                 } else {
1374                         view()->loadLyXFile(s);
1375                 }
1376
1377                 view()->setCursorFromRow(row);
1378
1379                 view()->center();
1380                 // see BufferView_pimpl::center()
1381                 view()->updateScrollbar();
1382         }
1383         break;
1384
1385         case LFUN_GOTO_PARAGRAPH:
1386         {
1387                 istringstream istr(argument.c_str());
1388
1389                 int id;
1390                 istr >> id;
1391                 ParIterator par = owner->buffer()->getParFromID(id);
1392                 if (par == owner->buffer()->par_iterator_end()) {
1393                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1394                                             << id << ']' << endl;
1395                         break;
1396                 } else {
1397                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1398                                             << " found." << endl;
1399                 }
1400
1401                 if (view()->theLockingInset())
1402                         view()->unlockInset(view()->theLockingInset());
1403                 if (par->inInset()) {
1404                         FuncRequest cmd(view(), LFUN_INSET_EDIT, "left");
1405                         par->inInset()->localDispatch(cmd);
1406                 }
1407                 // Set the cursor
1408                 view()->getLyXText()->setCursor(par.pit(), 0);
1409                 view()->switchKeyMap();
1410                 owner->view_state_changed();
1411
1412                 view()->center();
1413                 // see BufferView_pimpl::center()
1414                 view()->updateScrollbar();
1415         }
1416         break;
1417
1418         // --- insert characters ----------------------------------------
1419
1420         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1421         case LFUN_MATH_EXTERN:
1422         case LFUN_MATH_NUMBER:
1423         case LFUN_MATH_NONUMBER:
1424         case LFUN_MATH_LIMITS:
1425         {
1426                 setErrorMessage(N_("This is only allowed in math mode!"));
1427         }
1428         break;
1429
1430         // passthrough hat and underscore outside mathed:
1431         case LFUN_SUBSCRIPT:
1432                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1433                 break;
1434         case LFUN_SUPERSCRIPT:
1435                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1436                 break;
1437
1438         case LFUN_DIALOG_SHOW: {
1439                 string const name = func.getArg(0);
1440                 string data = trim(func.argument.substr(name.size()));
1441
1442                 if (name == "character") {
1443                         data = freefont2string();
1444                         if (!data.empty())
1445                                 owner->getDialogs().show("character", data);
1446                 } else if (name == "document")
1447                         owner->getDialogs().showDocument();
1448                 else if (name == "findreplace")
1449                         owner->getDialogs().showSearch();
1450                 else if (name == "forks")
1451                         owner->getDialogs().showForks();
1452                 else if (name == "preamble")
1453                         owner->getDialogs().showPreamble();
1454                 else if (name == "preferences")
1455                         owner->getDialogs().showPreferences();
1456                 else if (name == "print")
1457                         owner->getDialogs().showPrint();
1458                 else if (name == "spellchecker")
1459                         owner->getDialogs().showSpellchecker();
1460                 else
1461                         owner->getDialogs().show(name, data);
1462                 break;
1463         }
1464
1465         case LFUN_DIALOG_SHOW_NEW_INSET: {
1466                 string const & name = argument;
1467                 string data;
1468                 if (name == "bibitem" ||
1469                     name == "bibtex" ||
1470                     name == "include" ||
1471                     name == "index" ||
1472                     name == "ref" ||
1473                     name == "toc" ||
1474                     name == "url") {
1475                         InsetCommandParams p(name);
1476                         data = InsetCommandMailer::params2string(name, p);
1477                 } else if (name == "citation") {
1478                         InsetCommandParams p("cite");
1479                         data = InsetCommandMailer::params2string(name, p);
1480                 }
1481                 owner->getDialogs().show(name, data, 0);
1482         }
1483         break;
1484
1485         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1486         }
1487         break;
1488
1489         case LFUN_INSET_DIALOG_SHOW: {
1490                 LyXText * lt = view()->getLyXText();
1491                 InsetOld * inset = lt->getInset();
1492                 if (inset) {
1493                         FuncRequest cmd(view(), LFUN_INSET_DIALOG_SHOW);
1494                         inset->localDispatch(cmd);
1495                 }
1496         }
1497         break;
1498
1499         case LFUN_DIALOG_UPDATE: {
1500                 string const & name = argument;
1501                 // Can only update a dialog connected to an existing inset
1502                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1503                 if (inset) {
1504                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1505                                        func.argument);
1506                         inset->localDispatch(fr);
1507                 } else if (name == "paragraph") {
1508                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1509                 }
1510         }
1511         break;
1512
1513         case LFUN_DIALOG_HIDE:
1514                 Dialogs::hide(argument, 0);
1515                 break;
1516
1517         case LFUN_DIALOG_DISCONNECT_INSET:
1518                 owner->getDialogs().disconnect(argument);
1519                 break;
1520
1521         case LFUN_CHILDOPEN:
1522         {
1523                 string const filename =
1524                         MakeAbsPath(argument,
1525                                     owner->buffer()->filePath());
1526                 setMessage(N_("Opening child document ") +
1527                            MakeDisplayPath(filename) + "...");
1528                 view()->savePosition(0);
1529                 if (bufferlist.exists(filename))
1530                         view()->buffer(bufferlist.getBuffer(filename));
1531                 else
1532                         view()->loadLyXFile(filename);
1533         }
1534         break;
1535
1536         case LFUN_TOGGLECURSORFOLLOW:
1537                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1538                 break;
1539
1540         case LFUN_KMAP_OFF:
1541                 owner->getIntl().KeyMapOn(false);
1542                 break;
1543
1544         case LFUN_KMAP_PRIM:
1545                 owner->getIntl().KeyMapPrim();
1546                 break;
1547
1548         case LFUN_KMAP_SEC:
1549                 owner->getIntl().KeyMapSec();
1550                 break;
1551
1552         case LFUN_KMAP_TOGGLE:
1553                 owner->getIntl().ToggleKeyMap();
1554                 break;
1555
1556         case LFUN_SEQUENCE:
1557         {
1558                 // argument contains ';'-terminated commands
1559                 while (!argument.empty()) {
1560                         string first;
1561                         argument = split(argument, first, ';');
1562                         dispatch(first);
1563                 }
1564         }
1565         break;
1566
1567         case LFUN_SAVEPREFERENCES:
1568         {
1569                 Path p(user_lyxdir());
1570                 lyxrc.write("preferences");
1571         }
1572         break;
1573
1574         case LFUN_SCREEN_FONT_UPDATE:
1575         {
1576                 // handle the screen font changes.
1577                 lyxrc.set_font_norm_type();
1578                 lyx_gui::update_fonts();
1579                 // We also need to empty the textcache so that
1580                 // the buffer will be formatted correctly after
1581                 // a zoom change.
1582                 textcache.clear();
1583                 // Of course we should only do the resize and the textcache.clear
1584                 // if values really changed...but not very important right now. (Lgb)
1585                 // All visible buffers will need resize
1586                 view()->resize();
1587                 view()->update();
1588         }
1589         break;
1590
1591         case LFUN_SET_COLOR:
1592         {
1593                 string lyx_name;
1594                 string const x11_name = split(argument, lyx_name, ' ');
1595                 if (lyx_name.empty() || x11_name.empty()) {
1596                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1597                                                 " <x11_name>"));
1598                         break;
1599                         }
1600
1601                 bool const graphicsbg_changed =
1602                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1603                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1604
1605                 if (!lcolor.setColor(lyx_name, x11_name)) {
1606                         setErrorMessage(
1607                                 bformat(_("Set-color \"%1$s\" failed "
1608                                                   "- color is undefined or "
1609                                                   "may not be redefined"), lyx_name));
1610                         break;
1611                 }
1612
1613                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1614
1615                 if (graphicsbg_changed) {
1616 #ifdef WITH_WARNINGS
1617 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1618 #endif
1619 #if 0
1620                         lyx::graphics::GCache & gc =
1621                                 lyx::graphics::GCache::get();
1622                         gc.changeDisplay(true);
1623 #endif
1624                 }
1625
1626                 view()->update();
1627                 break;
1628         }
1629
1630         case LFUN_MESSAGE:
1631                 owner->message(argument);
1632                 break;
1633
1634         case LFUN_FORKS_KILL:
1635         {
1636                 if (!isStrInt(argument))
1637                         break;
1638
1639                 pid_t const pid = strToInt(argument);
1640                 ForkedcallsController & fcc = ForkedcallsController::get();
1641                 fcc.kill(pid);
1642                 break;
1643         }
1644
1645         case LFUN_TOOLTIPS_TOGGLE:
1646                 owner->getDialogs().toggleTooltips();
1647                 break;
1648
1649         case LFUN_EXTERNAL_EDIT: {
1650                 InsetExternal()
1651                         .localDispatch(FuncRequest(view(), action, argument));
1652                 break;
1653         }
1654
1655         default:
1656                 // Then if it was none of the above
1657                 // Trying the BufferView::pimpl dispatch:
1658                 if (!view()->dispatch(func))
1659                         lyxerr << "A truly unknown func ["
1660                                << lyxaction.getActionName(func.action) << "]!"
1661                                << endl;
1662                 break;
1663         } // end of switch
1664
1665 exit_with_message:
1666
1667         view()->owner()->updateLayoutChoice();
1668
1669         if (view()->available()) {
1670                 if (view()->fitCursor()) {
1671                         //lyxerr << "LyXFunc->fitCursor->update" << endl;
1672                         view()->update();
1673                 }
1674
1675                 // If we executed a mutating lfun, mark the buffer as dirty
1676                 if (!getStatus(func).disabled()
1677                     && !lyxaction.funcHasFlag(func.action, LyXAction::NoBuffer)
1678                     && !lyxaction.funcHasFlag(func.action, LyXAction::ReadOnly))
1679                         view()->buffer()->markDirty();
1680         }
1681
1682         sendDispatchMessage(getMessage(), func, verbose);
1683 }
1684
1685
1686 void LyXFunc::sendDispatchMessage(string const & msg,
1687                                   FuncRequest const & func, bool verbose)
1688 {
1689         owner->updateMenubar();
1690         owner->updateToolbar();
1691
1692         if (func.action == LFUN_SELFINSERT || !verbose) {
1693                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1694                 if (!msg.empty())
1695                         owner->message(msg);
1696                 return;
1697         }
1698
1699         string dispatch_msg = msg;
1700         if (!dispatch_msg.empty())
1701                 dispatch_msg += ' ';
1702
1703         string comname = lyxaction.getActionName(func.action);
1704
1705         bool argsadded = false;
1706
1707         if (!func.argument.empty()) {
1708                 if (func.action != LFUN_UNKNOWN_ACTION) {
1709                         comname += ' ' + func.argument;
1710                         argsadded = true;
1711                 }
1712         }
1713
1714         string const shortcuts = toplevel_keymap->findbinding(func);
1715
1716         if (!shortcuts.empty()) {
1717                 comname += ": " + shortcuts;
1718         } else if (!argsadded && !func.argument.empty()) {
1719                 comname += ' ' + func.argument;
1720         }
1721
1722         if (!comname.empty()) {
1723                 comname = rtrim(comname);
1724                 dispatch_msg += '(' + comname + ')';
1725         }
1726
1727         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1728         if (!dispatch_msg.empty())
1729                 owner->message(dispatch_msg);
1730 }
1731
1732
1733 void LyXFunc::setupLocalKeymap()
1734 {
1735         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1736         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1737 }
1738
1739
1740 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1741 {
1742         string initpath = lyxrc.document_path;
1743         string filename(name);
1744
1745         if (view()->available()) {
1746                 string const trypath = owner->buffer()->filePath();
1747                 // If directory is writeable, use this as default.
1748                 if (IsDirWriteable(trypath))
1749                         initpath = trypath;
1750         }
1751
1752         static int newfile_number;
1753
1754         if (filename.empty()) {
1755                 filename = AddName(lyxrc.document_path,
1756                             "newfile" + tostr(++newfile_number) + ".lyx");
1757                 FileInfo fi(filename);
1758                 while (bufferlist.exists(filename) || fi.readable()) {
1759                         ++newfile_number;
1760                         filename = AddName(lyxrc.document_path,
1761                                     "newfile" + tostr(newfile_number) +
1762                                     ".lyx");
1763                         fi.newFile(filename);
1764                 }
1765         }
1766
1767         // The template stuff
1768         string templname;
1769         if (fromTemplate) {
1770                 FileDialog fileDlg(_("Select template file"),
1771                         LFUN_SELECT_FILE_SYNC,
1772                         make_pair(string(_("Documents|#o#O")),
1773                                   string(lyxrc.document_path)),
1774                         make_pair(string(_("Templates|#T#t")),
1775                                   string(lyxrc.template_path)));
1776
1777                 FileDialog::Result result =
1778                         fileDlg.open(lyxrc.template_path,
1779                                        _("*.lyx| LyX Documents (*.lyx)"));
1780
1781                 if (result.first == FileDialog::Later)
1782                         return;
1783
1784                 string const fname = result.second;
1785
1786                 if (fname.empty())
1787                         return;
1788                 templname = fname;
1789         }
1790
1791         view()->newFile(filename, templname, !name.empty());
1792 }
1793
1794
1795 void LyXFunc::open(string const & fname)
1796 {
1797         string initpath = lyxrc.document_path;
1798
1799         if (view()->available()) {
1800                 string const trypath = owner->buffer()->filePath();
1801                 // If directory is writeable, use this as default.
1802                 if (IsDirWriteable(trypath))
1803                         initpath = trypath;
1804         }
1805
1806         string filename;
1807
1808         if (fname.empty()) {
1809                 FileDialog fileDlg(_("Select document to open"),
1810                         LFUN_FILE_OPEN,
1811                         make_pair(string(_("Documents|#o#O")),
1812                                   string(lyxrc.document_path)),
1813                         make_pair(string(_("Examples|#E#e")),
1814                                   string(AddPath(system_lyxdir(), "examples"))));
1815
1816                 FileDialog::Result result =
1817                         fileDlg.open(initpath,
1818                                        _("*.lyx| LyX Documents (*.lyx)"));
1819
1820                 if (result.first == FileDialog::Later)
1821                         return;
1822
1823                 filename = result.second;
1824
1825                 // check selected filename
1826                 if (filename.empty()) {
1827                         owner->message(_("Canceled."));
1828                         return;
1829                 }
1830         } else
1831                 filename = fname;
1832
1833         // get absolute path of file and add ".lyx" to the filename if
1834         // necessary
1835         string const fullpath = FileSearch(string(), filename, "lyx");
1836         if (!fullpath.empty()) {
1837                 filename = fullpath;
1838         }
1839
1840         string const disp_fn(MakeDisplayPath(filename));
1841
1842         // if the file doesn't exist, let the user create one
1843         FileInfo const f(filename, true);
1844         if (!f.exist()) {
1845                 // the user specifically chose this name. Believe them.
1846                 view()->newFile(filename, "", true);
1847                 return;
1848         }
1849
1850         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1851
1852         string str2;
1853         if (view()->loadLyXFile(filename)) {
1854                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1855         } else {
1856                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1857         }
1858         owner->message(str2);
1859 }
1860
1861
1862 void LyXFunc::doImport(string const & argument)
1863 {
1864         string format;
1865         string filename = split(argument, format, ' ');
1866
1867         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1868                             << " file: " << filename << endl;
1869
1870         // need user interaction
1871         if (filename.empty()) {
1872                 string initpath = lyxrc.document_path;
1873
1874                 if (view()->available()) {
1875                         string const trypath = owner->buffer()->filePath();
1876                         // If directory is writeable, use this as default.
1877                         if (IsDirWriteable(trypath))
1878                                 initpath = trypath;
1879                 }
1880
1881                 string const text = bformat(_("Select %1$s file to import"),
1882                         formats.prettyName(format));
1883
1884                 FileDialog fileDlg(text,
1885                         LFUN_IMPORT,
1886                         make_pair(string(_("Documents|#o#O")),
1887                                   string(lyxrc.document_path)),
1888                         make_pair(string(_("Examples|#E#e")),
1889                                   string(AddPath(system_lyxdir(), "examples"))));
1890
1891                 string const extension = "*." + formats.extension(format)
1892                         + "| " + formats.prettyName(format)
1893                         + " (*." + formats.extension(format) + ')';
1894
1895                 FileDialog::Result result = fileDlg.open(initpath,
1896                                                            extension);
1897
1898                 if (result.first == FileDialog::Later)
1899                         return;
1900
1901                 filename = result.second;
1902
1903                 // check selected filename
1904                 if (filename.empty())
1905                         owner->message(_("Canceled."));
1906         }
1907
1908         if (filename.empty())
1909                 return;
1910
1911         // get absolute path of file
1912         filename = MakeAbsPath(filename);
1913
1914         string const lyxfile = ChangeExtension(filename, ".lyx");
1915
1916         // Check if the document already is open
1917         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1918                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1919                         owner->message(_("Canceled."));
1920                         return;
1921                 }
1922         }
1923
1924         // if the file exists already, and we didn't do
1925         // -i lyx thefile.lyx, warn
1926         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1927                 string const file = MakeDisplayPath(lyxfile, 30);
1928
1929                 string text = bformat(_("The document %1$s already exists.\n\n"
1930                         "Do you want to over-write that document?"), file);
1931                 int const ret = Alert::prompt(_("Over-write document?"),
1932                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1933
1934                 if (ret == 1) {
1935                         owner->message(_("Canceled."));
1936                         return;
1937                 }
1938         }
1939
1940         Importer::Import(owner, filename, format);
1941 }
1942
1943
1944 void LyXFunc::closeBuffer()
1945 {
1946         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1947                 if (bufferlist.empty()) {
1948                         // need this otherwise SEGV may occur while
1949                         // trying to set variables that don't exist
1950                         // since there's no current buffer
1951                         owner->getDialogs().hideBufferDependent();
1952                 } else {
1953                         view()->buffer(bufferlist.first());
1954                 }
1955         }
1956 }
1957
1958
1959 // Each "owner" should have it's own message method. lyxview and
1960 // the minibuffer would use the minibuffer, but lyxserver would
1961 // send an ERROR signal to its client.  Alejandro 970603
1962 // This func is bit problematic when it comes to NLS, to make the
1963 // lyx servers client be language indepenent we must not translate
1964 // strings sent to this func.
1965 void LyXFunc::setErrorMessage(string const & m) const
1966 {
1967         dispatch_buffer = m;
1968         errorstat = true;
1969 }
1970
1971
1972 void LyXFunc::setMessage(string const & m) const
1973 {
1974         dispatch_buffer = m;
1975 }
1976
1977
1978 void LyXFunc::setStatusMessage(string const & m) const
1979 {
1980         status_buffer = m;
1981 }
1982
1983
1984 string const LyXFunc::view_status_message()
1985 {
1986         // When meta-fake key is pressed, show the key sequence so far + "M-".
1987         if (wasMetaKey()) {
1988                 return keyseq.print() + "M-";
1989         }
1990
1991         // Else, when a non-complete key sequence is pressed,
1992         // show the available options.
1993         if (keyseq.length() > 0 && !keyseq.deleted()) {
1994                 return keyseq.printOptions();
1995         }
1996
1997         if (!view()->available())
1998                 return _("Welcome to LyX!");
1999
2000         return currentState(view());
2001 }
2002
2003
2004 BufferView * LyXFunc::view() const
2005 {
2006         BOOST_ASSERT(owner);
2007         return owner->view().get();
2008 }
2009
2010
2011 bool LyXFunc::wasMetaKey() const
2012 {
2013         return (meta_fake_bit != key_modifier::none);
2014 }