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 "undo.h"
  52
  53 #include "insets/insetcommand.h"
  54 #include "insets/insetexternal.h"
  55 #include "insets/insettabular.h"
  56
  57 #include "mathed/math_cursor.h"
  58
  59 #include "frontends/Alert.h"
  60 #include "frontends/Dialogs.h"
  61 #include "frontends/FileDialog.h"
  62 #include "frontends/lyx_gui.h"
  63 #include "frontends/LyXKeySym.h"
  64 #include "frontends/LyXView.h"
  65 #include "frontends/Menubar.h"
  66 #include "frontends/Toolbar.h"
  67
  68 #include "support/FileInfo.h"
  69 #include "support/filetools.h"
  70 #include "support/forkedcontr.h"
  71 #include "support/path.h"
  72 #include "support/path_defines.h"
  73 #include "support/tostr.h"
  74 #include "support/std_sstream.h"
  75 #include "support/os.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 using lyx::support::prefixIs;
 108 using lyx::support::os::getTmpDir;
 109
 110 using std::endl;
 111 using std::make_pair;
 112 using std::string;
 113 using std::istringstream;
 114
 115
 116 extern BufferList bufferlist;
 117 extern LyXServer * lyxserver;
 118 extern bool selection_possible;
 119
 120 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 121
 122 // (alkis)
 123 extern tex_accent_struct get_accent(kb_action action);
 124
 125 extern void ShowLatexLog();
 126
 127
 128 LyXFunc::LyXFunc(LyXView * o)
 129         : owner(o),
 130         encoded_last_key(0),
 131         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 132         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 133         meta_fake_bit(key_modifier::none)
 134 {
 135 }
 136
 137
 138 void LyXFunc::moveCursorUpdate()
 139 {
 140         LyXText * lt = view()->text;
 141         if (lt->selection.mark())
 142                 lt->setSelection();
 143         view()->update();
 144         view()->switchKeyMap();
 145 }
 146
 147
 148 void LyXFunc::handleKeyFunc(kb_action action)
 149 {
 150         char c = encoded_last_key;
 151
 152         if (keyseq.length()) {
 153                 c = 0;
 154         }
 155
 156         owner->getIntl().getTransManager()
 157                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 158         // Need to clear, in case the minibuffer calls these
 159         // actions
 160         keyseq.clear();
 161         // copied verbatim from do_accent_char
 162         view()->update();
 163         view()->getLyXText()->selection.cursor = view()->getLyXText()->cursor;
 164 }
 165
 166
 167 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 168                             key_modifier::state state)
 169 {
 170         string argument;
 171
 172         if (lyxerr.debugging(Debug::KEY)) {
 173                 lyxerr << "KeySym is "
 174                        << keysym->getSymbolName()
 175                        << endl;
 176         }
 177
 178         // Do nothing if we have nothing (JMarc)
 179         if (!keysym->isOK()) {
 180                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 181                                    << endl;
 182                 return;
 183         }
 184
 185         if (keysym->isModifier()) {
 186                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 187                 return;
 188         }
 189
 190         Encoding const * encoding = view()->getEncoding();
 191
 192         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 193
 194         // Do a one-deep top-level lookup for
 195         // cancel and meta-fake keys. RVDK_PATCH_5
 196         cancel_meta_seq.reset();
 197
 198         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 199         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 200
 201         // When not cancel or meta-fake, do the normal lookup.
 202         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 203         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 204         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 205                 // remove Caps Lock and Mod2 as a modifiers
 206                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 207                 lyxerr[Debug::KEY] << "action now set to ["
 208                         << func.action << ']' << endl;
 209         }
 210
 211         // Dont remove this unless you know what you are doing.
 212         meta_fake_bit = key_modifier::none;
 213
 214         // can this happen now ?
 215         if (func.action == LFUN_NOACTION) {
 216                 func = FuncRequest(LFUN_PREFIX);
 217         }
 218
 219         if (lyxerr.debugging(Debug::KEY)) {
 220                 lyxerr << "Key [action="
 221                        << func.action << "]["
 222                        << keyseq.print() << ']'
 223                        << endl;
 224         }
 225
 226         // already here we know if it any point in going further
 227         // why not return already here if action == -1 and
 228         // num_bytes == 0? (Lgb)
 229
 230         if (keyseq.length() > 1) {
 231                 owner->message(keyseq.print());
 232         }
 233
 234
 235         // Maybe user can only reach the key via holding down shift.
 236         // Let's see. But only if shift is the only modifier
 237         if (func.action == LFUN_UNKNOWN_ACTION &&
 238             state == key_modifier::shift) {
 239                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 240                 func = keyseq.addkey(keysym, key_modifier::none);
 241                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 242         }
 243
 244         if (func.action == LFUN_UNKNOWN_ACTION) {
 245                 // Hmm, we didn't match any of the keysequences. See
 246                 // if it's normal insertable text not already covered
 247                 // by a binding
 248                 if (keysym->isText() && keyseq.length() == 1) {
 249                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 250                         func = FuncRequest(LFUN_SELFINSERT);
 251                 } else {
 252                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 253                         owner->message(_("Unknown function."));
 254                         return;
 255                 }
 256         }
 257
 258         if (func.action == LFUN_SELFINSERT) {
 259                 if (encoded_last_key != 0) {
 260                         string arg;
 261                         arg += encoded_last_key;
 262
 263                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 264
 265                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 266                                    << argument << "']" << endl;
 267                 }
 268         } else {
 269                 dispatch(func);
 270         }
 271 }
 272
 273
 274 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 275 {
 276         FuncStatus flag;
 277         Buffer * buf = owner->buffer();
 278
 279         if (ev.action == LFUN_NOACTION) {
 280                 setStatusMessage(N_("Nothing to do"));
 281                 flag.disabled(true);
 282                 return flag;
 283         }
 284
 285         switch (ev.action) {
 286         case LFUN_UNKNOWN_ACTION:
 287 #ifndef HAVE_LIBAIKSAURUS
 288         case LFUN_THESAURUS_ENTRY:
 289 #endif
 290                 flag.unknown(true);
 291                 flag.disabled(true);
 292                 break;
 293         default:
 294                 flag |= lyx_gui::getStatus(ev);
 295         }
 296
 297         if (flag.unknown()) {
 298                 setStatusMessage(N_("Unknown action"));
 299                 return flag;
 300         }
 301
 302         // the default error message if we disable the command
 303         setStatusMessage(N_("Command disabled"));
 304
 305         // Check whether we need a buffer
 306         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 307                 // Yes we need a buffer, do we have one?
 308                 if (buf) {
 309                         // yes
 310                         // Can we use a readonly buffer?
 311                         if (buf->isReadonly() &&
 312                             !lyxaction.funcHasFlag(ev.action,
 313                                                    LyXAction::ReadOnly)) {
 314                                 // no
 315                                 setStatusMessage(N_("Document is read-only"));
 316                                 flag.disabled(true);
 317                         }
 318                 } else {
 319                         // no
 320                         setStatusMessage(N_("Command not allowed with"
 321                                             "out any document open"));
 322                         flag.disabled(true);
 323                         return flag;
 324                 }
 325         }
 326
 327         UpdatableInset * tli = view()->theLockingInset();
 328
 329         // I would really like to avoid having this switch and rather try to
 330         // encode this in the function itself.
 331         bool disable = false;
 332         switch (ev.action) {
 333         case LFUN_EXPORT:
 334                 disable = ev.argument != "custom"
 335                         && !Exporter::IsExportable(*buf, ev.argument);
 336                 break;
 337         case LFUN_UNDO:
 338                 disable = buf->undostack().empty();
 339                 break;
 340         case LFUN_REDO:
 341                 disable = buf->redostack().empty();
 342                 break;
 343         case LFUN_CUT:
 344         case LFUN_COPY:
 345                 if (tli) {
 346                         UpdatableInset * in = tli;
 347                         if (in->lyxCode() != InsetOld::TABULAR_CODE) {
 348                                 in = tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE);
 349                         }
 350                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 351                                 disable = false;
 352                                 break;
 353                         }
 354                 }
 355                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 356                 break;
 357         case LFUN_RUNCHKTEX:
 358                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 359                 break;
 360         case LFUN_BUILDPROG:
 361                 disable = !Exporter::IsExportable(*buf, "program");
 362                 break;
 363
 364         case LFUN_LAYOUT_TABULAR:
 365                 disable = !tli
 366                         || (tli->lyxCode() != InsetOld::TABULAR_CODE
 367                             && !tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
 368                 break;
 369
 370         case LFUN_DEPTH_MIN:
 371                 disable = !changeDepth(view(), view()->getLyXText(), DEC_DEPTH, true);
 372                 break;
 373
 374         case LFUN_DEPTH_PLUS:
 375                 disable = !changeDepth(view(), view()->getLyXText(), INC_DEPTH, true);
 376                 break;
 377
 378         case LFUN_LAYOUT:
 379         case LFUN_LAYOUT_PARAGRAPH: {
 380                 InsetOld * inset = view()->getLyXText()->cursorPar()->inInset();
 381                 disable = inset && inset->forceDefaultParagraphs(inset);
 382                 break;
 383         }
 384
 385         case LFUN_INSET_OPTARG:
 386                 disable = (view()->getLyXText()->cursorPar()->layout()->optionalargs == 0);
 387                 break;
 388
 389         case LFUN_TABULAR_FEATURE:
 390                 if (mathcursor) {
 391 #if 0
 392                         // FIXME: check temporarily disabled
 393                         // valign code
 394                         char align = mathcursor->valign();
 395                         if (align == '\0') {
 396                                 disable = true;
 397                                 break;
 398                         }
 399                         if (ev.argument.empty()) {
 400                                 flag.clear();
 401                                 break;
 402                         }
 403                         if (!contains("tcb", ev.argument[0])) {
 404                                 disable = true;
 405                                 break;
 406                         }
 407                         flag.setOnOff(ev.argument[0] == align);
 408                 } else {
 409                         disable = true;
 410
 411                         char align = mathcursor->halign();
 412                         if (align == '\0') {
 413                                 disable = true;
 414                                 break;
 415                         }
 416                         if (ev.argument.empty()) {
 417                                 flag.clear();
 418                                 break;
 419                         }
 420                         if (!contains("lcr", ev.argument[0])) {
 421                                 disable = true;
 422                                 break;
 423                         }
 424                         flag.setOnOff(ev.argument[0] == align);
 425 #endif
 426
 427                         disable = !mathcursor->halign();
 428                         break;
 429                 }
 430
 431                 if (tli) {
 432                         FuncStatus ret;
 433                         //ret.disabled(true);
 434                         if (tli->lyxCode() == InsetOld::TABULAR_CODE) {
 435                                 ret = static_cast<InsetTabular *>(tli)
 436                                         ->getStatus(ev.argument);
 437                                 flag |= ret;
 438                                 disable = false;
 439                         } else if (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)) {
 440                                 ret = static_cast<InsetTabular *>
 441                                         (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE))
 442                                         ->getStatus(ev.argument);
 443                                 flag |= ret;
 444                                 disable = false;
 445                         } else {
 446                                 disable = true;
 447                         }
 448                 } else {
 449                         static InsetTabular inset(*owner->buffer(), 1, 1);
 450                         FuncStatus ret;
 451
 452                         disable = true;
 453                         ret = inset.getStatus(ev.argument);
 454                         if (ret.onoff(true) || ret.onoff(false))
 455                                 flag.setOnOff(false);
 456                 }
 457                 break;
 458
 459         case LFUN_VC_REGISTER:
 460                 disable = buf->lyxvc().inUse();
 461                 break;
 462         case LFUN_VC_CHECKIN:
 463                 disable = !buf->lyxvc().inUse() || buf->isReadonly();
 464                 break;
 465         case LFUN_VC_CHECKOUT:
 466                 disable = !buf->lyxvc().inUse() || !buf->isReadonly();
 467                 break;
 468         case LFUN_VC_REVERT:
 469         case LFUN_VC_UNDO:
 470                 disable = !buf->lyxvc().inUse();
 471                 break;
 472         case LFUN_MENURELOAD:
 473                 disable = buf->isUnnamed() || buf->isClean();
 474                 break;
 475         case LFUN_BOOKMARK_GOTO:
 476                 disable =  !view()->
 477                         isSavedPosition(strToUnsignedInt(ev.argument));
 478                 break;
 479         case LFUN_MERGE_CHANGES:
 480         case LFUN_ACCEPT_CHANGE:
 481         case LFUN_REJECT_CHANGE:
 482         case LFUN_ACCEPT_ALL_CHANGES:
 483         case LFUN_REJECT_ALL_CHANGES:
 484                 disable = !buf->params().tracking_changes;
 485                 break;
 486         case LFUN_INSET_TOGGLE: {
 487                 LyXText * lt = view()->getLyXText();
 488                 disable = !(isEditableInset(lt->getInset())
 489                             || (lt->inset_owner
 490                                 && lt->inset_owner->owner()
 491                                 && lt->inset_owner->owner()->isOpen()));
 492                 break;
 493         }
 494
 495         case LFUN_INSET_SETTINGS: {
 496                 disable = true;
 497                 UpdatableInset * inset = view()->theLockingInset();
 498
 499                 if (!inset)
 500                         break;
 501
 502                 // get the innermost inset
 503                 inset = inset->getLockingInset();
 504
 505                 // jump back to owner if an InsetText, so
 506                 // we get back to the InsetTabular or whatever
 507                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 508                         inset = inset->owner();
 509
 510                 InsetOld::Code code = inset->lyxCode();
 511                 switch (code) {
 512                         case InsetOld::TABULAR_CODE:
 513                                 disable = ev.argument != "tabular";
 514                                 break;
 515                         case InsetOld::ERT_CODE:
 516                                 disable = ev.argument != "ert";
 517                                 break;
 518                         case InsetOld::FLOAT_CODE:
 519                                 disable = ev.argument != "float";
 520                                 break;
 521                         case InsetOld::MINIPAGE_CODE:
 522                                 disable = ev.argument != "minipage";
 523                                 break;
 524                         case InsetOld::WRAP_CODE:
 525                                 disable = ev.argument != "wrap";
 526                                 break;
 527                         case InsetOld::NOTE_CODE:
 528                                 disable = ev.argument != "note";
 529                                 break;
 530                         case InsetOld::BRANCH_CODE:
 531                                 disable = ev.argument != "branch";
 532                                 break;
 533                         case InsetOld::BOX_CODE:
 534                                 disable = ev.argument != "box";
 535                                 break;
 536                         default:
 537                                 break;
 538                 }
 539                 break;
 540         }
 541
 542         case LFUN_MATH_MUTATE:
 543                 if (mathcursor)
 544                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 545                         flag.setOnOff(false);
 546                 else
 547                         disable = true;
 548                 break;
 549
 550         // we just need to be in math mode to enable that
 551         case LFUN_MATH_SIZE:
 552         case LFUN_MATH_SPACE:
 553         case LFUN_MATH_LIMITS:
 554         case LFUN_MATH_NONUMBER:
 555         case LFUN_MATH_NUMBER:
 556         case LFUN_MATH_EXTERN:
 557                 disable = !mathcursor;
 558                 break;
 559
 560         case LFUN_DIALOG_SHOW: {
 561                 string const name = ev.getArg(0);
 562                 if (!buf) {
 563                         disable = !(name == "aboutlyx" ||
 564                                     name == "file" ||
 565                                     name == "forks" ||
 566                                     name == "preferences" ||
 567                                     name == "texinfo");
 568                         break;
 569                 }
 570
 571                 if (name == "print") {
 572                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 573                                 lyxrc.print_command == "none";
 574                 } else if (name == "character") {
 575                         UpdatableInset * tli = view()->theLockingInset();
 576                         disable = tli && tli->lyxCode() == InsetOld::ERT_CODE;
 577                 } else if (name == "vclog") {
 578                         disable = !buf->lyxvc().inUse();
 579                 } else if (name == "latexlog") {
 580                         disable = !IsFileReadable(buf->getLogName().second);
 581                 }
 582                 break;
 583         }
 584
 585         default:
 586                 break;
 587         }
 588
 589         // the functions which insert insets
 590         InsetOld::Code code = InsetOld::NO_CODE;
 591         switch (ev.action) {
 592         case LFUN_DIALOG_SHOW_NEW_INSET:
 593                 if (ev.argument == "bibitem")
 594                         code = InsetOld::BIBITEM_CODE;
 595                 else if (ev.argument == "bibtex")
 596                         code = InsetOld::BIBTEX_CODE;
 597                 else if (ev.argument == "citation")
 598                         code = InsetOld::CITE_CODE;
 599                 else if (ev.argument == "ert")
 600                         code = InsetOld::ERT_CODE;
 601                 else if (ev.argument == "external")
 602                         code = InsetOld::EXTERNAL_CODE;
 603                 else if (ev.argument == "float")
 604                         code = InsetOld::FLOAT_CODE;
 605                 else if (ev.argument == "graphics")
 606                         code = InsetOld::GRAPHICS_CODE;
 607                 else if (ev.argument == "include")
 608                         code = InsetOld::INCLUDE_CODE;
 609                 else if (ev.argument == "index")
 610                         code = InsetOld::INDEX_CODE;
 611                 else if (ev.argument == "label")
 612                         code = InsetOld::LABEL_CODE;
 613                 else if (ev.argument == "minipage")
 614                         code = InsetOld::MINIPAGE_CODE;
 615                 else if (ev.argument == "ref")
 616                         code = InsetOld::REF_CODE;
 617                 else if (ev.argument == "toc")
 618                         code = InsetOld::TOC_CODE;
 619                 else if (ev.argument == "url")
 620                         code = InsetOld::URL_CODE;
 621                 else if (ev.argument == "wrap")
 622                         code = InsetOld::WRAP_CODE;
 623                 break;
 624
 625         case LFUN_INSET_ERT:
 626                 code = InsetOld::ERT_CODE;
 627                 break;
 628         case LFUN_INSET_FOOTNOTE:
 629                 code = InsetOld::FOOT_CODE;
 630                 break;
 631         case LFUN_TABULAR_INSERT:
 632                 code = InsetOld::TABULAR_CODE;
 633                 break;
 634         case LFUN_INSET_MARGINAL:
 635                 code = InsetOld::MARGIN_CODE;
 636                 break;
 637         case LFUN_INSET_MINIPAGE:
 638                 code = InsetOld::MINIPAGE_CODE;
 639                 break;
 640         case LFUN_INSET_FLOAT:
 641         case LFUN_INSET_WIDE_FLOAT:
 642                 code = InsetOld::FLOAT_CODE;
 643                 break;
 644         case LFUN_INSET_WRAP:
 645                 code = InsetOld::WRAP_CODE;
 646                 break;
 647         case LFUN_FLOAT_LIST:
 648                 code = InsetOld::FLOAT_LIST_CODE;
 649                 break;
 650 #if 0
 651         case LFUN_INSET_LIST:
 652                 code = InsetOld::LIST_CODE;
 653                 break;
 654         case LFUN_INSET_THEOREM:
 655                 code = InsetOld::THEOREM_CODE;
 656                 break;
 657 #endif
 658         case LFUN_INSET_CAPTION:
 659                 code = InsetOld::CAPTION_CODE;
 660                 break;
 661         case LFUN_INSERT_NOTE:
 662                 code = InsetOld::NOTE_CODE;
 663                 break;
 664         case LFUN_INSERT_BOX:
 665                 code = InsetOld::BOX_CODE;
 666                 break;
 667         case LFUN_INSERT_BRANCH:
 668                 code = InsetOld::BRANCH_CODE;
 669                 if (buf->params().branchlist().empty())
 670                         disable = true;
 671                 break;
 672         case LFUN_INSERT_LABEL:
 673                 code = InsetOld::LABEL_CODE;
 674                 break;
 675         case LFUN_INSET_OPTARG:
 676                 code = InsetOld::OPTARG_CODE;
 677                 break;
 678         case LFUN_ENVIRONMENT_INSERT:
 679                 code = InsetOld::MINIPAGE_CODE;
 680                 break;
 681         case LFUN_INDEX_INSERT:
 682                 code = InsetOld::INDEX_CODE;
 683                 break;
 684         case LFUN_INDEX_PRINT:
 685                 code = InsetOld::INDEX_PRINT_CODE;
 686                 break;
 687         case LFUN_TOC_INSERT:
 688                 code = InsetOld::TOC_CODE;
 689                 break;
 690         case LFUN_HTMLURL:
 691         case LFUN_URL:
 692                 code = InsetOld::URL_CODE;
 693                 break;
 694         case LFUN_QUOTE:
 695                 // always allow this, since we will inset a raw quote
 696                 // if an inset is not allowed.
 697                 break;
 698         case LFUN_HYPHENATION:
 699         case LFUN_LIGATURE_BREAK:
 700         case LFUN_HFILL:
 701         case LFUN_MENU_SEPARATOR:
 702         case LFUN_LDOTS:
 703         case LFUN_END_OF_SENTENCE:
 704                 code = InsetOld::SPECIALCHAR_CODE;
 705                 break;
 706         case LFUN_SPACE_INSERT:
 707                 // slight hack: we know this is allowed in math mode
 708                 if (!mathcursor)
 709                         code = InsetOld::SPACE_CODE;
 710                 break;
 711         case LFUN_INSET_DIALOG_SHOW: {
 712                         LyXText * lt = view()->getLyXText();
 713                         InsetOld * inset = lt->getInset();
 714                         disable = !inset;
 715                         if (!disable) {
 716                                 code = inset->lyxCode();
 717                                 if (!(code == InsetOld::INCLUDE_CODE
 718                                         || code == InsetOld::BIBTEX_CODE
 719                                         || code == InsetOld::FLOAT_LIST_CODE
 720                                         || code == InsetOld::TOC_CODE))
 721                                         disable = true;
 722                         }
 723                 }
 724                 break;
 725         default:
 726                 break;
 727         }
 728         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 729                 disable = true;
 730
 731         if (disable)
 732                 flag.disabled(true);
 733
 734         // A few general toggles
 735         switch (ev.action) {
 736         case LFUN_TOOLTIPS_TOGGLE:
 737                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 738                 break;
 739
 740         case LFUN_READ_ONLY_TOGGLE:
 741                 flag.setOnOff(buf->isReadonly());
 742                 break;
 743         case LFUN_APPENDIX:
 744                 flag.setOnOff(view()->getLyXText()->cursorPar()->params().startOfAppendix());
 745                 break;
 746         case LFUN_SWITCHBUFFER:
 747                 // toggle on the current buffer, but do not toggle off
 748                 // the other ones (is that a good idea?)
 749                 if (ev.argument == buf->fileName())
 750                         flag.setOnOff(true);
 751                 break;
 752         case LFUN_TRACK_CHANGES:
 753                 flag.setOnOff(buf->params().tracking_changes);
 754                 break;
 755         default:
 756                 break;
 757         }
 758
 759         // the font related toggles
 760         if (!mathcursor) {
 761                 LyXFont const & font = view()->getLyXText()->real_current_font;
 762                 switch (ev.action) {
 763                 case LFUN_EMPH:
 764                         flag.setOnOff(font.emph() == LyXFont::ON);
 765                         break;
 766                 case LFUN_NOUN:
 767                         flag.setOnOff(font.noun() == LyXFont::ON);
 768                         break;
 769                 case LFUN_BOLD:
 770                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 771                         break;
 772                 case LFUN_SANS:
 773                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 774                         break;
 775                 case LFUN_ROMAN:
 776                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 777                         break;
 778                 case LFUN_CODE:
 779                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 780                         break;
 781                 default:
 782                         break;
 783                 }
 784         } else {
 785                 string tc = mathcursor->getLastCode();
 786                 switch (ev.action) {
 787                 case LFUN_BOLD:
 788                         flag.setOnOff(tc == "mathbf");
 789                         break;
 790                 case LFUN_SANS:
 791                         flag.setOnOff(tc == "mathsf");
 792                         break;
 793                 case LFUN_EMPH:
 794                         flag.setOnOff(tc == "mathcal");
 795                         break;
 796                 case LFUN_ROMAN:
 797                         flag.setOnOff(tc == "mathrm");
 798                         break;
 799                 case LFUN_CODE:
 800                         flag.setOnOff(tc == "mathtt");
 801                         break;
 802                 case LFUN_NOUN:
 803                         flag.setOnOff(tc == "mathbb");
 804                         break;
 805                 case LFUN_DEFAULT:
 806                         flag.setOnOff(tc == "mathnormal");
 807                         break;
 808                 default:
 809                         break;
 810                 }
 811         }
 812
 813         // this one is difficult to get right. As a half-baked
 814         // solution, we consider only the first action of the sequence
 815         if (ev.action == LFUN_SEQUENCE) {
 816                 // argument contains ';'-terminated commands
 817 #warning LyXAction arguements not handled here.
 818                 flag = getStatus(FuncRequest(lyxaction.lookupFunc(token(ev.argument, ';', 0))));
 819         }
 820
 821         return flag;
 822 }
 823
 824
 825 namespace {
 826
 827 bool ensureBufferClean(BufferView * bv)
 828 {
 829         Buffer & buf = *bv->buffer();
 830         if (buf.isClean())
 831                 return true;
 832
 833         string const file = MakeDisplayPath(buf.fileName(), 30);
 834         string text = bformat(_("The document %1$s has unsaved "
 835                                 "changes.\n\nDo you want to save "
 836                                 "the document?"), file);
 837         int const ret = Alert::prompt(_("Save changed document?"),
 838                                       text, 0, 1, _("&Save"),
 839                                       _("&Cancel"));
 840
 841         if (ret == 0)
 842                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 843
 844         return buf.isClean();
 845 }
 846
 847 } //namespace anon
 848
 849
 850 void LyXFunc::dispatch(FuncRequest const & func, bool verbose)
 851 {
 852         string argument = func.argument;
 853         kb_action action = func.action;
 854
 855         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << action
 856                               <<"] arg[" << argument << ']' << endl;
 857
 858         // we have not done anything wrong yet.
 859         errorstat = false;
 860         dispatch_buffer.erase();
 861
 862 #ifdef NEW_DISPATCHER
 863         // We try do call the most specific dispatcher first:
 864         //  1. the lockinginset's dispatch
 865         //  2. the bufferview's dispatch
 866         //  3. the lyxview's dispatch
 867 #endif
 868
 869         selection_possible = false;
 870
 871         // We cannot use this function here
 872         if (getStatus(func).disabled()) {
 873                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 874                        << lyxaction.getActionName(action)
 875                        << " [" << action << "] is disabled at this location"
 876                        << endl;
 877                 setErrorMessage(getStatusMessage());
 878                 goto exit_with_message;
 879         }
 880
 881         if (view()->available())
 882                 view()->hideCursor();
 883
 884 #if 0
 885         {
 886                 Cursor cursor;
 887                 buildCursor(cursor, *view());
 888                 if (cursor.dispatch(FuncRequest(func, view())) == DISPATCHED) {
 889                         lyxerr << "dispatched by Cursor::dispatch()\n";
 890                         goto exit_with_message;
 891                 }
 892         }
 893 #endif
 894
 895
 896         if (view()->available() && view()->theLockingInset()) {
 897                 dispatch_result result;
 898                 if (action > 1 || (action == LFUN_UNKNOWN_ACTION &&
 899                                      !keyseq.deleted()))
 900                 {
 901                         UpdatableInset * inset = view()->theLockingInset();
 902 #if 1
 903                         int inset_x;
 904                         int dummy_y;
 905                         inset->getCursorPos(view(), inset_x, dummy_y);
 906 #endif
 907                         if (action == LFUN_UNKNOWN_ACTION
 908                             && argument.empty()) {
 909                                 argument = encoded_last_key;
 910                         }
 911
 912                         // the insets can't try to handle this,
 913                         // a table cell in the dummy position will
 914                         // lock its insettext, the insettext will
 915                         // pass it the bufferview, and succeed,
 916                         // so it will stay not locked. Not good
 917                         // if we've just done LFUN_ESCAPE (which
 918                         // injects an LFUN_PARAGRAPH_UPDATE)
 919                         if (action == LFUN_PARAGRAPH_UPDATE) {
 920                                 view()->dispatch(func);
 921                                 goto exit_with_message;
 922                         }
 923
 924                         // Undo/Redo is a bit tricky for insets.
 925                         if (action == LFUN_UNDO) {
 926                                 view()->undo();
 927                                 goto exit_with_message;
 928                         }
 929
 930                         if (action == LFUN_REDO) {
 931                                 view()->redo();
 932                                 goto exit_with_message;
 933                         }
 934
 935                         // Hand-over to inset's own dispatch:
 936                         result = inset->dispatch(FuncRequest(view(), action, argument));
 937                         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE) {
 938                                 goto exit_with_message;
 939                         }
 940
 941                         // If UNDISPATCHED, just soldier on
 942                         if (result == FINISHED) {
 943                                 owner->clearMessage();
 944                                 goto exit_with_message;
 945                                 // We do not need special RTL handling here:
 946                                 // FINISHED means that the cursor should be
 947                                 // one position after the inset.
 948                         }
 949
 950                         if (result == FINISHED_RIGHT) {
 951                                 view()->text->cursorRight(view());
 952                                 moveCursorUpdate();
 953                                 owner->clearMessage();
 954                                 goto exit_with_message;
 955                         }
 956
 957                         if (result == FINISHED_UP) {
 958                                 LyXText * text = view()->text;
 959                                 ParagraphList::iterator pit = text->cursorPar();
 960                                 Row const & row = *pit->getRow(text->cursor.pos());
 961                                 if (text->isFirstRow(pit, row)) {
 962 #if 1
 963                                         text->setCursorFromCoordinates(
 964                                                 text->cursor.x() + inset_x,
 965                                                 text->cursor.y() -
 966                                                 row.baseline() - 1);
 967                                         text->cursor.x_fix(text->cursor.x());
 968 #else
 969                                         text->cursorUp(view());
 970 #endif
 971                                         moveCursorUpdate();
 972                                 } else {
 973                                         view()->update();
 974                                 }
 975                                 owner->clearMessage();
 976                                 goto exit_with_message;
 977                         }
 978
 979                         if (result == FINISHED_DOWN) {
 980                                 LyXText * text = view()->text;
 981                                 ParagraphList::iterator pit = text->cursorPar();
 982                                 Row const & row = *pit->getRow(text->cursor.pos());
 983                                 if (text->isLastRow(pit, row)) {
 984 #if 1
 985                                         text->setCursorFromCoordinates(
 986                                                 text->cursor.x() + inset_x,
 987                                                 text->cursor.y() -
 988                                                 row.baseline() +
 989                                                 row.height() + 1);
 990                                         text->cursor.x_fix(text->cursor.x());
 991 #else
 992                                         text->cursorDown(view());
 993 #endif
 994                                 } else {
 995                                         text->cursorRight(view());
 996                                 }
 997                                 moveCursorUpdate();
 998                                 owner->clearMessage();
 999                                 goto exit_with_message;
1000                         }
1001
1002 #warning I am not sure this is still right, please have a look! (Jug 20020417)
1003                         // result == UNDISPATCHED
1004                         //setMessage(N_("Text mode"));
1005                         switch (action) {
1006                         case LFUN_UNKNOWN_ACTION:
1007                         case LFUN_BREAKPARAGRAPH:
1008                         case LFUN_BREAKLINE:
1009                                 view()->text->cursorRight(view());
1010                                 view()->switchKeyMap();
1011                                 owner->view_state_changed();
1012                                 break;
1013                         case LFUN_RIGHT:
1014                                 if (!view()->text->cursorPar()->isRightToLeftPar(owner->buffer()->params())) {
1015                                         view()->text->cursorRight(view());
1016                                         moveCursorUpdate();
1017                                         owner->view_state_changed();
1018                                 }
1019                                 goto exit_with_message;
1020                         case LFUN_LEFT:
1021                                 if (view()->text->cursorPar()->isRightToLeftPar(owner->buffer()->params())) {
1022                                         view()->text->cursorRight(view());
1023                                         moveCursorUpdate();
1024                                         owner->view_state_changed();
1025                                 }
1026                                 goto exit_with_message;
1027                         case LFUN_DOWN: {
1028                                 LyXText * text = view()->text;
1029                                 ParagraphList::iterator pit = text->cursorPar();
1030                                 if (text->isLastRow(pit, *pit->getRow(text->cursor.pos())))
1031                                         view()->text->cursorDown(view());
1032                                 else
1033                                         view()->text->cursorRight(view());
1034                                 moveCursorUpdate();
1035                                 owner->view_state_changed();
1036                                 goto exit_with_message;
1037                         }
1038                         default:
1039                                 break;
1040                         }
1041                 }
1042         }
1043
1044         switch (action) {
1045
1046         case LFUN_ESCAPE: {
1047                 if (!view()->available())
1048                         break;
1049                 // this function should be used always [asierra060396]
1050                 UpdatableInset * tli = view()->theLockingInset();
1051                 if (tli) {
1052                         UpdatableInset * lock = tli->getLockingInset();
1053
1054                         if (tli == lock) {
1055                                 view()->unlockInset(tli);
1056                                 view()->text->cursorRight(view());
1057                                 moveCursorUpdate();
1058                                 owner->view_state_changed();
1059                         } else {
1060                                 tli->unlockInsetInInset(view(), lock, true);
1061                         }
1062                         finishUndo();
1063                         // Tell the paragraph dialog that we changed paragraph
1064                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1065                 }
1066                 break;
1067         }
1068
1069         case LFUN_WORDFINDFORWARD:
1070         case LFUN_WORDFINDBACKWARD: {
1071                 static string last_search;
1072                 string searched_string;
1073
1074                 if (!argument.empty()) {
1075                         last_search = argument;
1076                         searched_string = argument;
1077                 } else {
1078                         searched_string = last_search;
1079                 }
1080                 bool fw = (action == LFUN_WORDFINDFORWARD);
1081                 if (!searched_string.empty())
1082                         lyx::find::find(view(), searched_string, fw);
1083                 break;
1084         }
1085
1086         case LFUN_PREFIX:
1087                 if (view()->available() && !view()->theLockingInset())
1088                         view()->update();
1089                 owner->message(keyseq.printOptions());
1090                 break;
1091
1092         // --- Misc -------------------------------------------
1093         case LFUN_EXEC_COMMAND:
1094                 owner->focus_command_buffer();
1095                 break;
1096
1097         case LFUN_CANCEL:
1098                 keyseq.reset();
1099                 meta_fake_bit = key_modifier::none;
1100                 if (view()->available())
1101                         // cancel any selection
1102                         dispatch(FuncRequest(LFUN_MARK_OFF));
1103                 setMessage(N_("Cancel"));
1104                 break;
1105
1106         case LFUN_META_FAKE:
1107                 meta_fake_bit = key_modifier::alt;
1108                 setMessage(keyseq.print());
1109                 break;
1110
1111         case LFUN_READ_ONLY_TOGGLE:
1112                 if (owner->buffer()->lyxvc().inUse())
1113                         owner->buffer()->lyxvc().toggleReadOnly();
1114                 else
1115                         owner->buffer()->setReadonly(
1116                                 !owner->buffer()->isReadonly());
1117                 break;
1118
1119         case LFUN_CENTER: // this is center and redraw.
1120                 view()->center();
1121                 break;
1122
1123                 // --- Menus -----------------------------------------------
1124         case LFUN_MENUNEW:
1125                 menuNew(argument, false);
1126                 break;
1127
1128         case LFUN_MENUNEWTMPLT:
1129                 menuNew(argument, true);
1130                 break;
1131
1132         case LFUN_CLOSEBUFFER:
1133                 closeBuffer();
1134                 break;
1135
1136         case LFUN_MENUWRITE:
1137                 if (!owner->buffer()->isUnnamed()) {
1138                         string const str = bformat(_("Saving document %1$s..."),
1139                            MakeDisplayPath(owner->buffer()->fileName()));
1140                         owner->message(str);
1141                         MenuWrite(owner->buffer());
1142                         owner->message(str + _(" done."));
1143                 } else
1144                         WriteAs(owner->buffer());
1145                 break;
1146
1147         case LFUN_WRITEAS:
1148                 WriteAs(owner->buffer(), argument);
1149                 break;
1150
1151         case LFUN_MENURELOAD: {
1152                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1153                 string text = bformat(_("Any changes will be lost. Are you sure "
1154                         "you want to revert to the saved version of the document %1$s?"), file);
1155                 int const ret = Alert::prompt(_("Revert to saved document?"),
1156                         text, 0, 1, _("&Revert"), _("&Cancel"));
1157
1158                 if (ret == 0)
1159                         view()->reload();
1160                 break;
1161         }
1162
1163         case LFUN_UPDATE:
1164                 Exporter::Export(owner->buffer(), argument, true);
1165                 view()->showErrorList(BufferFormat(*owner->buffer()));
1166                 break;
1167
1168         case LFUN_PREVIEW:
1169                 Exporter::Preview(owner->buffer(), argument);
1170                 view()->showErrorList(BufferFormat(*owner->buffer()));
1171                 break;
1172
1173         case LFUN_BUILDPROG:
1174                 Exporter::Export(owner->buffer(), "program", true);
1175                 view()->showErrorList(_("Build"));
1176                 break;
1177
1178         case LFUN_RUNCHKTEX:
1179                 owner->buffer()->runChktex();
1180                 view()->showErrorList(_("ChkTeX"));
1181                 break;
1182
1183         case LFUN_EXPORT:
1184                 if (argument == "custom")
1185                         owner->getDialogs().showSendto();
1186                 else {
1187                         Exporter::Export(owner->buffer(), argument, false);
1188                         view()->showErrorList(BufferFormat(*owner->buffer()));
1189                 }
1190                 break;
1191
1192         case LFUN_IMPORT:
1193                 doImport(argument);
1194                 break;
1195
1196         case LFUN_QUIT:
1197                 QuitLyX();
1198                 break;
1199
1200         case LFUN_TOCVIEW:
1201         {
1202                 InsetCommandParams p("tableofcontents");
1203                 string const data = InsetCommandMailer::params2string("toc", p);
1204                 owner->getDialogs().show("toc", data, 0);
1205                 break;
1206         }
1207
1208         case LFUN_AUTOSAVE:
1209                 AutoSave(view());
1210                 break;
1211
1212         case LFUN_UNDO:
1213                 view()->undo();
1214                 break;
1215
1216         case LFUN_REDO:
1217                 view()->redo();
1218                 break;
1219
1220         case LFUN_FREEFONT_APPLY:
1221                 apply_freefont(view());
1222                 break;
1223
1224         case LFUN_FREEFONT_UPDATE:
1225                 update_and_apply_freefont(view(), argument);
1226                 break;
1227
1228         case LFUN_RECONFIGURE:
1229                 Reconfigure(view());
1230                 break;
1231
1232 #if 0
1233         case LFUN_FLOATSOPERATE:
1234                 if (argument == "openfoot")
1235                         view()->allFloats(1,0);
1236                 else if (argument == "closefoot")
1237                         view()->allFloats(0,0);
1238                 else if (argument == "openfig")
1239                         view()->allFloats(1,1);
1240                 else if (argument == "closefig")
1241                         view()->allFloats(0,1);
1242                 break;
1243 #else
1244 #ifdef WITH_WARNINGS
1245 //#warning Find another implementation here (or another lyxfunc)!
1246 #endif
1247 #endif
1248         case LFUN_HELP_OPEN:
1249         {
1250                 string const arg = argument;
1251                 if (arg.empty()) {
1252                         setErrorMessage(N_("Missing argument"));
1253                         break;
1254                 }
1255                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1256                 if (fname.empty()) {
1257                         lyxerr << "LyX: unable to find documentation file `"
1258                                << arg << "'. Bad installation?" << endl;
1259                         break;
1260                 }
1261                 owner->message(bformat(_("Opening help file %1$s..."),
1262                         MakeDisplayPath(fname)));
1263                 view()->loadLyXFile(fname, false);
1264                 break;
1265         }
1266
1267                 // --- version control -------------------------------
1268         case LFUN_VC_REGISTER:
1269         {
1270                 if (!ensureBufferClean(view()))
1271                         break;
1272                 if (!owner->buffer()->lyxvc().inUse()) {
1273                         owner->buffer()->lyxvc().registrer();
1274                         view()->reload();
1275                 }
1276         }
1277         break;
1278
1279         case LFUN_VC_CHECKIN:
1280         {
1281                 if (!ensureBufferClean(view()))
1282                         break;
1283                 if (owner->buffer()->lyxvc().inUse()
1284                     && !owner->buffer()->isReadonly()) {
1285                         owner->buffer()->lyxvc().checkIn();
1286                         view()->reload();
1287                 }
1288         }
1289         break;
1290
1291         case LFUN_VC_CHECKOUT:
1292         {
1293                 if (!ensureBufferClean(view()))
1294                         break;
1295                 if (owner->buffer()->lyxvc().inUse()
1296                     && owner->buffer()->isReadonly()) {
1297                         owner->buffer()->lyxvc().checkOut();
1298                         view()->reload();
1299                 }
1300         }
1301         break;
1302
1303         case LFUN_VC_REVERT:
1304         {
1305                 owner->buffer()->lyxvc().revert();
1306                 view()->reload();
1307         }
1308         break;
1309
1310         case LFUN_VC_UNDO:
1311         {
1312                 owner->buffer()->lyxvc().undoLast();
1313                 view()->reload();
1314         }
1315         break;
1316
1317         // --- buffers ----------------------------------------
1318
1319         case LFUN_SWITCHBUFFER:
1320                 view()->buffer(bufferlist.getBuffer(argument));
1321                 break;
1322
1323         case LFUN_FILE_NEW:
1324                 NewFile(view(), argument);
1325                 break;
1326
1327         case LFUN_FILE_OPEN:
1328                 open(argument);
1329                 break;
1330
1331         case LFUN_LAYOUT_TABULAR:
1332             if (view()->theLockingInset()) {
1333                 if (view()->theLockingInset()->lyxCode()== InsetOld::TABULAR_CODE) {
1334                     InsetTabular * inset = static_cast<InsetTabular *>
1335                         (view()->theLockingInset());
1336                     inset->openLayoutDialog(view());
1337                 } else if (view()->theLockingInset()->
1338                            getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)!=0) {
1339                     InsetTabular * inset = static_cast<InsetTabular *>(
1340                         view()->theLockingInset()->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
1341                     inset->openLayoutDialog(view());
1342                 }
1343             }
1344             break;
1345
1346         case LFUN_DROP_LAYOUTS_CHOICE:
1347                 owner->getToolbar().openLayoutList();
1348                 break;
1349
1350         case LFUN_MENU_OPEN_BY_NAME:
1351                 owner->getMenubar().openByName(argument);
1352                 break; // RVDK_PATCH_5
1353
1354         // --- lyxserver commands ----------------------------
1355
1356
1357         case LFUN_GETNAME:
1358                 setMessage(owner->buffer()->fileName());
1359                 lyxerr[Debug::INFO] << "FNAME["
1360                                << owner->buffer()->fileName()
1361                                << "] " << endl;
1362                 break;
1363
1364         case LFUN_NOTIFY:
1365         {
1366                 dispatch_buffer = keyseq.print();
1367                 lyxserver->notifyClient(dispatch_buffer);
1368         }
1369         break;
1370
1371         case LFUN_GOTOFILEROW:
1372         {
1373                 string file_name;
1374                 int row;
1375                 istringstream istr(argument.c_str());
1376                 istr >> file_name >> row;
1377                 if (prefixIs(file_name, getTmpDir())) {
1378                         // Needed by inverse dvi search. If it is a file
1379                         // in tmpdir, call the apropriated function
1380                         view()->buffer(bufferlist.getBufferFromTmp(file_name));
1381                 } else {
1382                         // Must replace extension of the file to be .lyx
1383                         // and get full path
1384                         string const s(ChangeExtension(file_name, ".lyx"));
1385                         // Either change buffer or load the file
1386                         if (bufferlist.exists(s)) {
1387                                 view()->buffer(bufferlist.getBuffer(s));
1388                         } else {
1389                                 view()->loadLyXFile(s);
1390                         }
1391                 }
1392
1393                 view()->setCursorFromRow(row);
1394
1395                 view()->center();
1396                 // see BufferView_pimpl::center()
1397                 view()->updateScrollbar();
1398         }
1399         break;
1400
1401         case LFUN_GOTO_PARAGRAPH:
1402         {
1403                 istringstream istr(argument.c_str());
1404
1405                 int id;
1406                 istr >> id;
1407                 ParIterator par = owner->buffer()->getParFromID(id);
1408                 if (par == owner->buffer()->par_iterator_end()) {
1409                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1410                                             << id << ']' << endl;
1411                         break;
1412                 } else {
1413                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1414                                             << " found." << endl;
1415                 }
1416
1417                 if (view()->theLockingInset())
1418                         view()->unlockInset(view()->theLockingInset());
1419                 if (par->inInset()) {
1420                         FuncRequest cmd(view(), LFUN_INSET_EDIT, "left");
1421                         par->inInset()->dispatch(cmd);
1422                 }
1423                 // Set the cursor
1424                 view()->getLyXText()->setCursor(par.pit(), 0);
1425                 view()->switchKeyMap();
1426                 owner->view_state_changed();
1427
1428                 view()->center();
1429                 // see BufferView_pimpl::center()
1430                 view()->updateScrollbar();
1431         }
1432         break;
1433
1434         // --- insert characters ----------------------------------------
1435
1436         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1437         case LFUN_MATH_EXTERN:
1438         case LFUN_MATH_NUMBER:
1439         case LFUN_MATH_NONUMBER:
1440         case LFUN_MATH_LIMITS:
1441         {
1442                 setErrorMessage(N_("This is only allowed in math mode!"));
1443         }
1444         break;
1445
1446         // passthrough hat and underscore outside mathed:
1447         case LFUN_SUBSCRIPT:
1448                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1449                 break;
1450         case LFUN_SUPERSCRIPT:
1451                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1452                 break;
1453
1454         case LFUN_DIALOG_SHOW: {
1455                 string const name = func.getArg(0);
1456                 string data = trim(func.argument.substr(name.size()));
1457
1458                 if (name == "character") {
1459                         data = freefont2string();
1460                         if (!data.empty())
1461                                 owner->getDialogs().show("character", data);
1462                 } else if (name == "document")
1463                         owner->getDialogs().showDocument();
1464                 else if (name == "findreplace")
1465                         owner->getDialogs().showSearch();
1466                 else if (name == "forks")
1467                         owner->getDialogs().showForks();
1468                 else if (name == "preamble")
1469                         owner->getDialogs().showPreamble();
1470                 else if (name == "preferences")
1471                         owner->getDialogs().showPreferences();
1472                 else if (name == "print")
1473                         owner->getDialogs().showPrint();
1474                 else if (name == "spellchecker")
1475                         owner->getDialogs().showSpellchecker();
1476                 else
1477                         owner->getDialogs().show(name, data);
1478                 break;
1479         }
1480
1481         case LFUN_DIALOG_SHOW_NEW_INSET: {
1482                 string const & name = argument;
1483                 string data;
1484                 if (name == "bibitem" ||
1485                     name == "bibtex" ||
1486                     name == "include" ||
1487                     name == "index" ||
1488                     name == "ref" ||
1489                     name == "toc" ||
1490                     name == "url") {
1491                         InsetCommandParams p(name);
1492                         data = InsetCommandMailer::params2string(name, p);
1493                 } else if (name == "citation") {
1494                         InsetCommandParams p("cite");
1495                         data = InsetCommandMailer::params2string(name, p);
1496                 }
1497                 owner->getDialogs().show(name, data, 0);
1498         }
1499         break;
1500
1501         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1502         }
1503         break;
1504
1505         case LFUN_INSET_DIALOG_SHOW: {
1506                 LyXText * lt = view()->getLyXText();
1507                 InsetOld * inset = lt->getInset();
1508                 if (inset) {
1509                         FuncRequest cmd(view(), LFUN_INSET_DIALOG_SHOW);
1510                         inset->dispatch(cmd);
1511                 }
1512         }
1513         break;
1514
1515         case LFUN_DIALOG_UPDATE: {
1516                 string const & name = argument;
1517                 // Can only update a dialog connected to an existing inset
1518                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1519                 if (inset) {
1520                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1521                                        func.argument);
1522                         inset->dispatch(fr);
1523                 } else if (name == "paragraph") {
1524                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1525                 }
1526         }
1527         break;
1528
1529         case LFUN_DIALOG_HIDE:
1530                 Dialogs::hide(argument, 0);
1531                 break;
1532
1533         case LFUN_DIALOG_DISCONNECT_INSET:
1534                 owner->getDialogs().disconnect(argument);
1535                 break;
1536
1537         case LFUN_CHILDOPEN:
1538         {
1539                 string const filename =
1540                         MakeAbsPath(argument, owner->buffer()->filePath());
1541                 setMessage(N_("Opening child document ") +
1542                            MakeDisplayPath(filename) + "...");
1543                 view()->savePosition(0);
1544                 if (bufferlist.exists(filename))
1545                         view()->buffer(bufferlist.getBuffer(filename));
1546                 else
1547                         view()->loadLyXFile(filename);
1548         }
1549         break;
1550
1551         case LFUN_TOGGLECURSORFOLLOW:
1552                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1553                 break;
1554
1555         case LFUN_KMAP_OFF:
1556                 owner->getIntl().KeyMapOn(false);
1557                 break;
1558
1559         case LFUN_KMAP_PRIM:
1560                 owner->getIntl().KeyMapPrim();
1561                 break;
1562
1563         case LFUN_KMAP_SEC:
1564                 owner->getIntl().KeyMapSec();
1565                 break;
1566
1567         case LFUN_KMAP_TOGGLE:
1568                 owner->getIntl().ToggleKeyMap();
1569                 break;
1570
1571         case LFUN_SEQUENCE:
1572         {
1573                 // argument contains ';'-terminated commands
1574                 while (!argument.empty()) {
1575                         string first;
1576                         argument = split(argument, first, ';');
1577                         dispatch(lyxaction.lookupFunc(first));
1578                 }
1579         }
1580         break;
1581
1582         case LFUN_SAVEPREFERENCES:
1583         {
1584                 Path p(user_lyxdir());
1585                 lyxrc.write("preferences");
1586         }
1587         break;
1588
1589         case LFUN_SCREEN_FONT_UPDATE:
1590         {
1591                 // handle the screen font changes.
1592                 lyxrc.set_font_norm_type();
1593                 lyx_gui::update_fonts();
1594                 // All visible buffers will need resize
1595                 view()->resize();
1596                 view()->update();
1597         }
1598         break;
1599
1600         case LFUN_SET_COLOR:
1601         {
1602                 string lyx_name;
1603                 string const x11_name = split(argument, lyx_name, ' ');
1604                 if (lyx_name.empty() || x11_name.empty()) {
1605                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1606                                                 " <x11_name>"));
1607                         break;
1608                         }
1609
1610                 bool const graphicsbg_changed =
1611                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1612                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1613
1614                 if (!lcolor.setColor(lyx_name, x11_name)) {
1615                         setErrorMessage(
1616                                 bformat(_("Set-color \"%1$s\" failed "
1617                                                   "- color is undefined or "
1618                                                   "may not be redefined"), lyx_name));
1619                         break;
1620                 }
1621
1622                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1623
1624                 if (graphicsbg_changed) {
1625 #ifdef WITH_WARNINGS
1626 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1627 #endif
1628 #if 0
1629                         lyx::graphics::GCache & gc =
1630                                 lyx::graphics::GCache::get();
1631                         gc.changeDisplay(true);
1632 #endif
1633                 }
1634
1635                 view()->update();
1636                 break;
1637         }
1638
1639         case LFUN_MESSAGE:
1640                 owner->message(argument);
1641                 break;
1642
1643         case LFUN_FORKS_KILL:
1644         {
1645                 if (!isStrInt(argument))
1646                         break;
1647
1648                 pid_t const pid = strToInt(argument);
1649                 ForkedcallsController & fcc = ForkedcallsController::get();
1650                 fcc.kill(pid);
1651                 break;
1652         }
1653
1654         case LFUN_TOOLTIPS_TOGGLE:
1655                 owner->getDialogs().toggleTooltips();
1656                 break;
1657
1658         case LFUN_EXTERNAL_EDIT: {
1659                 InsetExternal().dispatch(FuncRequest(view(), action, argument));
1660                 break;
1661         }
1662
1663         default:
1664                 // Then if it was none of the above
1665                 // Trying the BufferView::pimpl dispatch:
1666                 if (!view()->dispatch(func))
1667                         lyxerr << "A truly unknown func ["
1668                                << lyxaction.getActionName(func.action) << "]!"
1669                                << endl;
1670                 break;
1671         } // end of switch
1672
1673 exit_with_message:
1674
1675         view()->owner()->updateLayoutChoice();
1676
1677         if (view()->available()) {
1678                 if (view()->fitCursor()) {
1679                         //lyxerr << "LyXFunc->fitCursor->update" << endl;
1680                         view()->update();
1681                 }
1682
1683                 // If we executed a mutating lfun, mark the buffer as dirty
1684                 if (!getStatus(func).disabled()
1685                     && !lyxaction.funcHasFlag(func.action, LyXAction::NoBuffer)
1686                     && !lyxaction.funcHasFlag(func.action, LyXAction::ReadOnly))
1687                         view()->buffer()->markDirty();
1688         }
1689
1690         sendDispatchMessage(getMessage(), func, verbose);
1691 }
1692
1693
1694 void LyXFunc::sendDispatchMessage(string const & msg,
1695                                   FuncRequest const & func, bool verbose)
1696 {
1697         owner->updateMenubar();
1698         owner->updateToolbar();
1699
1700         if (func.action == LFUN_SELFINSERT || !verbose) {
1701                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1702                 if (!msg.empty())
1703                         owner->message(msg);
1704                 return;
1705         }
1706
1707         string dispatch_msg = msg;
1708         if (!dispatch_msg.empty())
1709                 dispatch_msg += ' ';
1710
1711         string comname = lyxaction.getActionName(func.action);
1712
1713         bool argsadded = false;
1714
1715         if (!func.argument.empty()) {
1716                 if (func.action != LFUN_UNKNOWN_ACTION) {
1717                         comname += ' ' + func.argument;
1718                         argsadded = true;
1719                 }
1720         }
1721
1722         string const shortcuts = toplevel_keymap->findbinding(func);
1723
1724         if (!shortcuts.empty()) {
1725                 comname += ": " + shortcuts;
1726         } else if (!argsadded && !func.argument.empty()) {
1727                 comname += ' ' + func.argument;
1728         }
1729
1730         if (!comname.empty()) {
1731                 comname = rtrim(comname);
1732                 dispatch_msg += '(' + comname + ')';
1733         }
1734
1735         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1736         if (!dispatch_msg.empty())
1737                 owner->message(dispatch_msg);
1738 }
1739
1740
1741 void LyXFunc::setupLocalKeymap()
1742 {
1743         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1744         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1745 }
1746
1747
1748 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1749 {
1750         string initpath = lyxrc.document_path;
1751         string filename(name);
1752
1753         if (view()->available()) {
1754                 string const trypath = owner->buffer()->filePath();
1755                 // If directory is writeable, use this as default.
1756                 if (IsDirWriteable(trypath))
1757                         initpath = trypath;
1758         }
1759
1760         static int newfile_number;
1761
1762         if (filename.empty()) {
1763                 filename = AddName(lyxrc.document_path,
1764                             "newfile" + tostr(++newfile_number) + ".lyx");
1765                 FileInfo fi(filename);
1766                 while (bufferlist.exists(filename) || fi.readable()) {
1767                         ++newfile_number;
1768                         filename = AddName(lyxrc.document_path,
1769                                     "newfile" + tostr(newfile_number) +
1770                                     ".lyx");
1771                         fi.newFile(filename);
1772                 }
1773         }
1774
1775         // The template stuff
1776         string templname;
1777         if (fromTemplate) {
1778                 FileDialog fileDlg(_("Select template file"),
1779                         LFUN_SELECT_FILE_SYNC,
1780                         make_pair(string(_("Documents|#o#O")),
1781                                   string(lyxrc.document_path)),
1782                         make_pair(string(_("Templates|#T#t")),
1783                                   string(lyxrc.template_path)));
1784
1785                 FileDialog::Result result =
1786                         fileDlg.open(lyxrc.template_path,
1787                                        _("*.lyx| LyX Documents (*.lyx)"));
1788
1789                 if (result.first == FileDialog::Later)
1790                         return;
1791
1792                 string const fname = result.second;
1793
1794                 if (fname.empty())
1795                         return;
1796                 templname = fname;
1797         }
1798
1799         view()->newFile(filename, templname, !name.empty());
1800 }
1801
1802
1803 void LyXFunc::open(string const & fname)
1804 {
1805         string initpath = lyxrc.document_path;
1806
1807         if (view()->available()) {
1808                 string const trypath = owner->buffer()->filePath();
1809                 // If directory is writeable, use this as default.
1810                 if (IsDirWriteable(trypath))
1811                         initpath = trypath;
1812         }
1813
1814         string filename;
1815
1816         if (fname.empty()) {
1817                 FileDialog fileDlg(_("Select document to open"),
1818                         LFUN_FILE_OPEN,
1819                         make_pair(string(_("Documents|#o#O")),
1820                                   string(lyxrc.document_path)),
1821                         make_pair(string(_("Examples|#E#e")),
1822                                   string(AddPath(system_lyxdir(), "examples"))));
1823
1824                 FileDialog::Result result =
1825                         fileDlg.open(initpath,
1826                                        _("*.lyx| LyX Documents (*.lyx)"));
1827
1828                 if (result.first == FileDialog::Later)
1829                         return;
1830
1831                 filename = result.second;
1832
1833                 // check selected filename
1834                 if (filename.empty()) {
1835                         owner->message(_("Canceled."));
1836                         return;
1837                 }
1838         } else
1839                 filename = fname;
1840
1841         // get absolute path of file and add ".lyx" to the filename if
1842         // necessary
1843         string const fullpath = FileSearch(string(), filename, "lyx");
1844         if (!fullpath.empty()) {
1845                 filename = fullpath;
1846         }
1847
1848         string const disp_fn(MakeDisplayPath(filename));
1849
1850         // if the file doesn't exist, let the user create one
1851         FileInfo const f(filename, true);
1852         if (!f.exist()) {
1853                 // the user specifically chose this name. Believe them.
1854                 view()->newFile(filename, "", true);
1855                 return;
1856         }
1857
1858         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1859
1860         string str2;
1861         if (view()->loadLyXFile(filename)) {
1862                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1863         } else {
1864                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1865         }
1866         owner->message(str2);
1867 }
1868
1869
1870 void LyXFunc::doImport(string const & argument)
1871 {
1872         string format;
1873         string filename = split(argument, format, ' ');
1874
1875         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1876                             << " file: " << filename << endl;
1877
1878         // need user interaction
1879         if (filename.empty()) {
1880                 string initpath = lyxrc.document_path;
1881
1882                 if (view()->available()) {
1883                         string const trypath = owner->buffer()->filePath();
1884                         // If directory is writeable, use this as default.
1885                         if (IsDirWriteable(trypath))
1886                                 initpath = trypath;
1887                 }
1888
1889                 string const text = bformat(_("Select %1$s file to import"),
1890                         formats.prettyName(format));
1891
1892                 FileDialog fileDlg(text,
1893                         LFUN_IMPORT,
1894                         make_pair(string(_("Documents|#o#O")),
1895                                   string(lyxrc.document_path)),
1896                         make_pair(string(_("Examples|#E#e")),
1897                                   string(AddPath(system_lyxdir(), "examples"))));
1898
1899                 string const extension = "*." + formats.extension(format)
1900                         + "| " + formats.prettyName(format)
1901                         + " (*." + formats.extension(format) + ')';
1902
1903                 FileDialog::Result result = fileDlg.open(initpath,
1904                                                            extension);
1905
1906                 if (result.first == FileDialog::Later)
1907                         return;
1908
1909                 filename = result.second;
1910
1911                 // check selected filename
1912                 if (filename.empty())
1913                         owner->message(_("Canceled."));
1914         }
1915
1916         if (filename.empty())
1917                 return;
1918
1919         // get absolute path of file
1920         filename = MakeAbsPath(filename);
1921
1922         string const lyxfile = ChangeExtension(filename, ".lyx");
1923
1924         // Check if the document already is open
1925         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1926                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1927                         owner->message(_("Canceled."));
1928                         return;
1929                 }
1930         }
1931
1932         // if the file exists already, and we didn't do
1933         // -i lyx thefile.lyx, warn
1934         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1935                 string const file = MakeDisplayPath(lyxfile, 30);
1936
1937                 string text = bformat(_("The document %1$s already exists.\n\n"
1938                         "Do you want to over-write that document?"), file);
1939                 int const ret = Alert::prompt(_("Over-write document?"),
1940                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1941
1942                 if (ret == 1) {
1943                         owner->message(_("Canceled."));
1944                         return;
1945                 }
1946         }
1947
1948         Importer::Import(owner, filename, format);
1949 }
1950
1951
1952 void LyXFunc::closeBuffer()
1953 {
1954         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1955                 if (bufferlist.empty()) {
1956                         // need this otherwise SEGV may occur while
1957                         // trying to set variables that don't exist
1958                         // since there's no current buffer
1959                         owner->getDialogs().hideBufferDependent();
1960                 } else {
1961                         view()->buffer(bufferlist.first());
1962                 }
1963         }
1964 }
1965
1966
1967 // Each "owner" should have it's own message method. lyxview and
1968 // the minibuffer would use the minibuffer, but lyxserver would
1969 // send an ERROR signal to its client.  Alejandro 970603
1970 // This func is bit problematic when it comes to NLS, to make the
1971 // lyx servers client be language indepenent we must not translate
1972 // strings sent to this func.
1973 void LyXFunc::setErrorMessage(string const & m) const
1974 {
1975         dispatch_buffer = m;
1976         errorstat = true;
1977 }
1978
1979
1980 void LyXFunc::setMessage(string const & m) const
1981 {
1982         dispatch_buffer = m;
1983 }
1984
1985
1986 void LyXFunc::setStatusMessage(string const & m) const
1987 {
1988         status_buffer = m;
1989 }
1990
1991
1992 string const LyXFunc::view_status_message()
1993 {
1994         // When meta-fake key is pressed, show the key sequence so far + "M-".
1995         if (wasMetaKey()) {
1996                 return keyseq.print() + "M-";
1997         }
1998
1999         // Else, when a non-complete key sequence is pressed,
2000         // show the available options.
2001         if (keyseq.length() > 0 && !keyseq.deleted()) {
2002                 return keyseq.printOptions();
2003         }
2004
2005         if (!view()->available())
2006                 return _("Welcome to LyX!");
2007
2008         return currentState(view());
2009 }
2010
2011
2012 BufferView * LyXFunc::view() const
2013 {
2014         BOOST_ASSERT(owner);
2015         return owner->view().get();
2016 }
2017
2018
2019 bool LyXFunc::wasMetaKey() const
2020 {
2021         return (meta_fake_bit != key_modifier::none);
2022 }