src/lyxfunc.C

   1 /**
   2  * \file lyxfunc.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  * \author Allan Rae
  13  * \author Dekel Tsur
  14  * \author Martin Vermeer
  15  * \author Jürgen Vigna
  16  *
  17  * Full author contact details are available in file CREDITS.
  18  */
  19
  20 #include <config.h>
  21
  22 #include "lyxfunc.h"
  23
  24 #include "BranchList.h"
  25 #include "buffer.h"
  26 #include "buffer_funcs.h"
  27 #include "bufferlist.h"
  28 #include "bufferparams.h"
  29 #include "BufferView.h"
  30 #include "cursor.h"
  31 #include "debug.h"
  32 #include "dispatchresult.h"
  33 #include "encoding.h"
  34 #include "exporter.h"
  35 #include "format.h"
  36 #include "funcrequest.h"
  37 #include "gettext.h"
  38 #include "importer.h"
  39 #include "intl.h"
  40 #include "iterators.h"
  41 #include "kbmap.h"
  42 #include "LColor.h"
  43 #include "lyx_cb.h"
  44 #include "LyXAction.h"
  45 #include "lyxfind.h"
  46 #include "lyxrc.h"
  47 #include "lyxrow.h"
  48 #include "lyxserver.h"
  49 #include "lyxvc.h"
  50 #include "paragraph.h"
  51 #include "ParagraphParameters.h"
  52 #include "undo.h"
  53
  54 #include "insets/insetbox.h"
  55 #include "insets/insetbranch.h"
  56 #include "insets/insetcommand.h"
  57 #include "insets/insetert.h"
  58 #include "insets/insetexternal.h"
  59 #include "insets/insetfloat.h"
  60 #include "insets/insetgraphics.h"
  61 #include "insets/insetnote.h"
  62 #include "insets/insettabular.h"
  63 #include "insets/insetvspace.h"
  64 #include "insets/insetwrap.h"
  65
  66 #include "frontends/Alert.h"
  67 #include "frontends/Dialogs.h"
  68 #include "frontends/FileDialog.h"
  69 #include "frontends/lyx_gui.h"
  70 #include "frontends/LyXKeySym.h"
  71 #include "frontends/LyXView.h"
  72 #include "frontends/Menubar.h"
  73 #include "frontends/Toolbar.h"
  74
  75 #include "support/FileInfo.h"
  76 #include "support/filetools.h"
  77 #include "support/forkedcontr.h"
  78 #include "support/globbing.h"
  79 #include "support/path.h"
  80 #include "support/path_defines.h"
  81 #include "support/tostr.h"
  82 #include "support/std_sstream.h"
  83 #include "support/os.h"
  84
  85 using bv_funcs::DEC_DEPTH;
  86 using bv_funcs::freefont2string;
  87 using bv_funcs::INC_DEPTH;
  88
  89 using lyx::support::AddName;
  90 using lyx::support::AddPath;
  91 using lyx::support::bformat;
  92 using lyx::support::ChangeExtension;
  93 using lyx::support::FileFilterList;
  94 using lyx::support::FileInfo;
  95 using lyx::support::FileSearch;
  96 using lyx::support::ForkedcallsController;
  97 using lyx::support::i18nLibFileSearch;
  98 using lyx::support::IsDirWriteable;
  99 using lyx::support::IsFileReadable;
 100 using lyx::support::isStrInt;
 101 using lyx::support::MakeAbsPath;
 102 using lyx::support::MakeDisplayPath;
 103 using lyx::support::Path;
 104 using lyx::support::rtrim;
 105 using lyx::support::split;
 106 using lyx::support::strToInt;
 107 using lyx::support::strToUnsignedInt;
 108 using lyx::support::system_lyxdir;
 109 using lyx::support::token;
 110 using lyx::support::trim;
 111 using lyx::support::user_lyxdir;
 112 using lyx::support::prefixIs;
 113 using lyx::support::os::getTmpDir;
 114
 115 using std::endl;
 116 using std::make_pair;
 117 using std::pair;
 118 using std::string;
 119 using std::istringstream;
 120
 121
 122 extern BufferList bufferlist;
 123 extern LyXServer * lyxserver;
 124 extern bool selection_possible;
 125
 126 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 127
 128 // (alkis)
 129 extern tex_accent_struct get_accent(kb_action action);
 130
 131
 132 LyXFunc::LyXFunc(LyXView * lv)
 133         : owner(lv),
 134         encoded_last_key(0),
 135         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 136         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 137         meta_fake_bit(key_modifier::none)
 138 {
 139 }
 140
 141
 142 void LyXFunc::handleKeyFunc(kb_action action)
 143 {
 144         char c = encoded_last_key;
 145
 146         if (keyseq.length()) {
 147                 c = 0;
 148         }
 149
 150         owner->getIntl().getTransManager()
 151                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 152         // Need to clear, in case the minibuffer calls these
 153         // actions
 154         keyseq.clear();
 155         // copied verbatim from do_accent_char
 156         view()->cursor().resetAnchor();
 157         view()->update();
 158 }
 159
 160
 161 void LyXFunc::processKeySym(LyXKeySymPtr keysym, key_modifier::state state)
 162 {
 163         lyxerr[Debug::KEY] << "KeySym is " << keysym->getSymbolName() << endl;
 164
 165         // Do nothing if we have nothing (JMarc)
 166         if (!keysym->isOK()) {
 167                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 168                                    << endl;
 169                 return;
 170         }
 171
 172         if (keysym->isModifier()) {
 173                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 174                 return;
 175         }
 176
 177         Encoding const * encoding = view()->getEncoding();
 178
 179         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 180
 181         // Do a one-deep top-level lookup for
 182         // cancel and meta-fake keys. RVDK_PATCH_5
 183         cancel_meta_seq.reset();
 184
 185         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 186         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 187
 188         // When not cancel or meta-fake, do the normal lookup.
 189         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 190         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 191         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 192                 // remove Caps Lock and Mod2 as a modifiers
 193                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 194                 lyxerr[Debug::KEY] << "action now set to ["
 195                         << func.action << ']' << endl;
 196         }
 197
 198         // Dont remove this unless you know what you are doing.
 199         meta_fake_bit = key_modifier::none;
 200
 201         // can this happen now ?
 202         if (func.action == LFUN_NOACTION) {
 203                 func = FuncRequest(LFUN_PREFIX);
 204         }
 205
 206         if (lyxerr.debugging(Debug::KEY)) {
 207                 lyxerr << "Key [action="
 208                        << func.action << "]["
 209                        << keyseq.print() << ']'
 210                        << endl;
 211         }
 212
 213         // already here we know if it any point in going further
 214         // why not return already here if action == -1 and
 215         // num_bytes == 0? (Lgb)
 216
 217         if (keyseq.length() > 1) {
 218                 owner->message(keyseq.print());
 219         }
 220
 221
 222         // Maybe user can only reach the key via holding down shift.
 223         // Let's see. But only if shift is the only modifier
 224         if (func.action == LFUN_UNKNOWN_ACTION &&
 225             state == key_modifier::shift) {
 226                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 227                 func = keyseq.addkey(keysym, key_modifier::none);
 228                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 229         }
 230
 231         if (func.action == LFUN_UNKNOWN_ACTION) {
 232                 // Hmm, we didn't match any of the keysequences. See
 233                 // if it's normal insertable text not already covered
 234                 // by a binding
 235                 if (keysym->isText() && keyseq.length() == 1) {
 236                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 237                         func = FuncRequest(LFUN_SELFINSERT);
 238                 } else {
 239                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 240                         owner->message(_("Unknown function."));
 241                         return;
 242                 }
 243         }
 244
 245         if (func.action == LFUN_SELFINSERT) {
 246                 if (encoded_last_key != 0) {
 247                         string arg(1, encoded_last_key);
 248                         dispatch(FuncRequest(LFUN_SELFINSERT, arg));
 249                         lyxerr[Debug::KEY]
 250                                 << "SelfInsert arg[`" << arg << "']" << endl;
 251                 }
 252         } else {
 253                 dispatch(func);
 254         }
 255 }
 256
 257
 258 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 259 {
 260         FuncStatus flag;
 261         Buffer * buf = owner->buffer();
 262         LCursor & cur = view()->cursor();
 263
 264         if (cmd.action == LFUN_NOACTION) {
 265                 setStatusMessage(N_("Nothing to do"));
 266                 flag.disabled(true);
 267                 return flag;
 268         }
 269
 270         switch (cmd.action) {
 271         case LFUN_UNKNOWN_ACTION:
 272 #ifndef HAVE_LIBAIKSAURUS
 273         case LFUN_THESAURUS_ENTRY:
 274 #endif
 275                 flag.unknown(true);
 276                 flag.disabled(true);
 277                 break;
 278         default:
 279                 flag |= lyx_gui::getStatus(cmd);
 280         }
 281
 282         if (flag.unknown()) {
 283                 setStatusMessage(N_("Unknown action"));
 284                 return flag;
 285         }
 286
 287         // the default error message if we disable the command
 288         setStatusMessage(N_("Command disabled"));
 289
 290         // Check whether we need a buffer
 291         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 292                 // Yes we need a buffer, do we have one?
 293                 if (buf) {
 294                         // yes
 295                         // Can we use a readonly buffer?
 296                         if (buf->isReadonly() &&
 297                             !lyxaction.funcHasFlag(cmd.action,
 298                                                    LyXAction::ReadOnly)) {
 299                                 // no
 300                                 setStatusMessage(N_("Document is read-only"));
 301                                 flag.disabled(true);
 302                         }
 303                 } else {
 304                         // no
 305                         setStatusMessage(N_("Command not allowed with"
 306                                             "out any document open"));
 307                         flag.disabled(true);
 308                         return flag;
 309                 }
 310         }
 311
 312         UpdatableInset * tli = cur.inset() ? cur.inset()->asUpdatableInset() : 0;
 313
 314         // I would really like to avoid having this switch and rather try to
 315         // encode this in the function itself.
 316         bool disable = false;
 317         switch (cmd.action) {
 318         case LFUN_EXPORT:
 319                 disable = cmd.argument != "custom"
 320                         && !Exporter::IsExportable(*buf, cmd.argument);
 321                 break;
 322         case LFUN_UNDO:
 323                 disable = buf->undostack().empty();
 324                 break;
 325         case LFUN_REDO:
 326                 disable = buf->redostack().empty();
 327                 break;
 328         case LFUN_CUT:
 329         case LFUN_COPY:
 330                 disable = !cur.selection();
 331                 break;
 332
 333         case LFUN_RUNCHKTEX:
 334                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 335                 break;
 336
 337         case LFUN_BUILDPROG:
 338                 disable = !Exporter::IsExportable(*buf, "program");
 339                 break;
 340
 341         case LFUN_LAYOUT_TABULAR:
 342                 disable = !cur.innerInsetTabular();
 343                 break;
 344
 345         case LFUN_DEPTH_MIN:
 346                 disable = !changeDepthAllowed(cur, view()->getLyXText(), DEC_DEPTH);
 347                 break;
 348
 349         case LFUN_DEPTH_PLUS:
 350                 disable = !changeDepthAllowed(cur, view()->getLyXText(), INC_DEPTH);
 351                 break;
 352
 353         case LFUN_LAYOUT:
 354         case LFUN_LAYOUT_PARAGRAPH:
 355                 disable = cur.inset()
 356                         && cur.inset()->forceDefaultParagraphs(cur.inset());
 357                 break;
 358
 359         case LFUN_INSET_OPTARG:
 360                 disable = cur.inMathed()
 361                         || cur.paragraph().layout()->optionalargs == 0;
 362                 break;
 363
 364         case LFUN_TABULAR_FEATURE:
 365 #if 0
 366                 if (cur.inMathed()) {
 367                         // FIXME: check temporarily disabled
 368                         // valign code
 369                         char align = mathcursor::valign();
 370                         if (align == '\0') {
 371                                 disable = true;
 372                                 break;
 373                         }
 374                         if (cmd.argument.empty()) {
 375                                 flag.clear();
 376                                 break;
 377                         }
 378                         if (!contains("tcb", cmd.argument[0])) {
 379                                 disable = true;
 380                                 break;
 381                         }
 382                         flag.setOnOff(cmd.argument[0] == align);
 383                 } else {
 384                         disable = true;
 385
 386                         char align = mathcursor::halign();
 387                         if (align == '\0') {
 388                                 disable = true;
 389                                 break;
 390                         }
 391                         if (cmd.argument.empty()) {
 392                                 flag.clear();
 393                                 break;
 394                         }
 395                         if (!contains("lcr", cmd.argument[0])) {
 396                                 disable = true;
 397                                 break;
 398                         }
 399                         flag.setOnOff(cmd.argument[0] == align);
 400
 401                         disable = !mathcursor::halign();
 402                         break;
 403                 }
 404
 405                 if (tli) {
 406                         FuncStatus ret;
 407                         //ret.disabled(true);
 408                         InsetTabular * tab = cur.innerInsetTabular();
 409                         if (tab) {
 410                                 ret = tab->getStatus(cmd.argument);
 411                                 flag |= ret;
 412                                 disable = false;
 413                         } else {
 414                                 disable = true;
 415                         }
 416                 } else {
 417                         static InsetTabular inset(*buf, 1, 1);
 418                         disable = true;
 419                         FuncStatus ret = inset.getStatus(cmd.argument);
 420                         if (ret.onoff(true) || ret.onoff(false))
 421                                 flag.setOnOff(false);
 422                 }
 423 #endif
 424                 break;
 425
 426         case LFUN_VC_REGISTER:
 427                 disable = buf->lyxvc().inUse();
 428                 break;
 429         case LFUN_VC_CHECKIN:
 430                 disable = !buf->lyxvc().inUse() || buf->isReadonly();
 431                 break;
 432         case LFUN_VC_CHECKOUT:
 433                 disable = !buf->lyxvc().inUse() || !buf->isReadonly();
 434                 break;
 435         case LFUN_VC_REVERT:
 436         case LFUN_VC_UNDO:
 437                 disable = !buf->lyxvc().inUse();
 438                 break;
 439         case LFUN_MENURELOAD:
 440                 disable = buf->isUnnamed() || buf->isClean();
 441                 break;
 442         case LFUN_BOOKMARK_GOTO:
 443                 disable = !view()->
 444                         isSavedPosition(strToUnsignedInt(cmd.argument));
 445                 break;
 446
 447         case LFUN_MERGE_CHANGES:
 448         case LFUN_ACCEPT_CHANGE:
 449         case LFUN_REJECT_CHANGE:
 450         case LFUN_ACCEPT_ALL_CHANGES:
 451         case LFUN_REJECT_ALL_CHANGES:
 452                 disable = !buf->params().tracking_changes;
 453                 break;
 454
 455         case LFUN_INSET_SETTINGS: {
 456                 disable = true;
 457                 if (!cur.inset())
 458                         break;
 459                 UpdatableInset * inset = cur.inset()->asUpdatableInset();
 460                 if (!inset)
 461                         break;
 462
 463                 // jump back to owner if an InsetText, so
 464                 // we get back to the InsetTabular or whatever
 465                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 466                         inset = inset->owner();
 467
 468                 InsetOld::Code code = inset->lyxCode();
 469                 switch (code) {
 470                         case InsetOld::TABULAR_CODE:
 471                                 disable = cmd.argument != "tabular";
 472                                 break;
 473                         case InsetOld::ERT_CODE:
 474                                 disable = cmd.argument != "ert";
 475                                 break;
 476                         case InsetOld::FLOAT_CODE:
 477                                 disable = cmd.argument != "float";
 478                                 break;
 479                         case InsetOld::WRAP_CODE:
 480                                 disable = cmd.argument != "wrap";
 481                                 break;
 482                         case InsetOld::NOTE_CODE:
 483                                 disable = cmd.argument != "note";
 484                                 break;
 485                         case InsetOld::BRANCH_CODE:
 486                                 disable = cmd.argument != "branch";
 487                                 break;
 488                         case InsetOld::BOX_CODE:
 489                                 disable = cmd.argument != "box";
 490                                 break;
 491                         default:
 492                                 break;
 493                 }
 494                 break;
 495         }
 496
 497         case LFUN_MATH_MUTATE:
 498                 if (cur.inMathed())
 499                         //flag.setOnOff(mathcursor::formula()->hullType() == cmd.argument);
 500                         flag.setOnOff(false);
 501                 else
 502                         disable = true;
 503                 break;
 504
 505         // we just need to be in math mode to enable that
 506         case LFUN_MATH_SIZE:
 507         case LFUN_MATH_SPACE:
 508         case LFUN_MATH_LIMITS:
 509         case LFUN_MATH_NONUMBER:
 510         case LFUN_MATH_NUMBER:
 511         case LFUN_MATH_EXTERN:
 512                 disable = cur.inTexted();
 513                 break;
 514
 515         case LFUN_DIALOG_SHOW: {
 516                 string const name = cmd.getArg(0);
 517                 if (!buf) {
 518                         disable = !(name == "aboutlyx" ||
 519                                     name == "file" ||
 520                                     name == "forks" ||
 521                                     name == "preferences" ||
 522                                     name == "texinfo");
 523                         break;
 524                 }
 525
 526                 if (name == "print") {
 527                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 528                                 lyxrc.print_command == "none";
 529                 } else if (name == "character") {
 530                         InsetBase * inset = cur.inset();
 531                         disable = inset && inset->lyxCode() == InsetOld::ERT_CODE;
 532                 } else if (name == "vclog") {
 533                         disable = !buf->lyxvc().inUse();
 534                 } else if (name == "latexlog") {
 535                         disable = !IsFileReadable(buf->getLogName().second);
 536                 }
 537                 break;
 538         }
 539
 540         default:
 541                 break;
 542         }
 543
 544         // the functions which insert insets
 545         InsetOld::Code code = InsetOld::NO_CODE;
 546         switch (cmd.action) {
 547         case LFUN_DIALOG_SHOW_NEW_INSET:
 548                 if (cmd.argument == "bibitem")
 549                         code = InsetOld::BIBITEM_CODE;
 550                 else if (cmd.argument == "bibtex")
 551                         code = InsetOld::BIBTEX_CODE;
 552                 else if (cmd.argument == "box")
 553                         code = InsetOld::BOX_CODE;
 554                 else if (cmd.argument == "branch")
 555                         code = InsetOld::BRANCH_CODE;
 556                 else if (cmd.argument == "citation")
 557                         code = InsetOld::CITE_CODE;
 558                 else if (cmd.argument == "ert")
 559                         code = InsetOld::ERT_CODE;
 560                 else if (cmd.argument == "external")
 561                         code = InsetOld::EXTERNAL_CODE;
 562                 else if (cmd.argument == "float")
 563                         code = InsetOld::FLOAT_CODE;
 564                 else if (cmd.argument == "graphics")
 565                         code = InsetOld::GRAPHICS_CODE;
 566                 else if (cmd.argument == "include")
 567                         code = InsetOld::INCLUDE_CODE;
 568                 else if (cmd.argument == "index")
 569                         code = InsetOld::INDEX_CODE;
 570                 else if (cmd.argument == "label")
 571                         code = InsetOld::LABEL_CODE;
 572                 else if (cmd.argument == "note")
 573                         code = InsetOld::NOTE_CODE;
 574                 else if (cmd.argument == "ref")
 575                         code = InsetOld::REF_CODE;
 576                 else if (cmd.argument == "toc")
 577                         code = InsetOld::TOC_CODE;
 578                 else if (cmd.argument == "url")
 579                         code = InsetOld::URL_CODE;
 580                 else if (cmd.argument == "vspace")
 581                         code = InsetOld::VSPACE_CODE;
 582                 else if (cmd.argument == "wrap")
 583                         code = InsetOld::WRAP_CODE;
 584                 break;
 585
 586         case LFUN_INSET_ERT:
 587                 code = InsetOld::ERT_CODE;
 588                 break;
 589         case LFUN_INSET_FOOTNOTE:
 590                 code = InsetOld::FOOT_CODE;
 591                 break;
 592         case LFUN_TABULAR_INSERT:
 593                 code = InsetOld::TABULAR_CODE;
 594                 break;
 595         case LFUN_INSET_MARGINAL:
 596                 code = InsetOld::MARGIN_CODE;
 597                 break;
 598         case LFUN_INSET_FLOAT:
 599         case LFUN_INSET_WIDE_FLOAT:
 600                 code = InsetOld::FLOAT_CODE;
 601                 break;
 602         case LFUN_INSET_WRAP:
 603                 code = InsetOld::WRAP_CODE;
 604                 break;
 605         case LFUN_FLOAT_LIST:
 606                 code = InsetOld::FLOAT_LIST_CODE;
 607                 break;
 608 #if 0
 609         case LFUN_INSET_LIST:
 610                 code = InsetOld::LIST_CODE;
 611                 break;
 612         case LFUN_INSET_THEOREM:
 613                 code = InsetOld::THEOREM_CODE;
 614                 break;
 615 #endif
 616         case LFUN_INSET_CAPTION:
 617                 code = InsetOld::CAPTION_CODE;
 618                 break;
 619         case LFUN_INSERT_NOTE:
 620                 code = InsetOld::NOTE_CODE;
 621                 break;
 622         case LFUN_INSERT_CHARSTYLE:
 623                 code = InsetOld::CHARSTYLE_CODE;
 624                 if (buf->params().getLyXTextClass().charstyles().empty())
 625                         disable = true;
 626                 break;
 627         case LFUN_INSERT_BOX:
 628                 code = InsetOld::BOX_CODE;
 629                 break;
 630         case LFUN_INSERT_BRANCH:
 631                 code = InsetOld::BRANCH_CODE;
 632                 if (buf->params().branchlist().empty())
 633                         disable = true;
 634                 break;
 635         case LFUN_INSERT_LABEL:
 636                 code = InsetOld::LABEL_CODE;
 637                 break;
 638         case LFUN_INSET_OPTARG:
 639                 code = InsetOld::OPTARG_CODE;
 640                 break;
 641         case LFUN_ENVIRONMENT_INSERT:
 642                 code = InsetOld::BOX_CODE;
 643                 break;
 644         case LFUN_INDEX_INSERT:
 645                 code = InsetOld::INDEX_CODE;
 646                 break;
 647         case LFUN_INDEX_PRINT:
 648                 code = InsetOld::INDEX_PRINT_CODE;
 649                 break;
 650         case LFUN_TOC_INSERT:
 651                 code = InsetOld::TOC_CODE;
 652                 break;
 653         case LFUN_HTMLURL:
 654         case LFUN_URL:
 655                 code = InsetOld::URL_CODE;
 656                 break;
 657         case LFUN_QUOTE:
 658                 // always allow this, since we will inset a raw quote
 659                 // if an inset is not allowed.
 660                 break;
 661         case LFUN_HYPHENATION:
 662         case LFUN_LIGATURE_BREAK:
 663         case LFUN_HFILL:
 664         case LFUN_MENU_SEPARATOR:
 665         case LFUN_LDOTS:
 666         case LFUN_END_OF_SENTENCE:
 667                 code = InsetOld::SPECIALCHAR_CODE;
 668                 break;
 669         case LFUN_SPACE_INSERT:
 670                 // slight hack: we know this is allowed in math mode
 671                 if (cur.inTexted())
 672                         code = InsetOld::SPACE_CODE;
 673                 break;
 674         case LFUN_INSET_DIALOG_SHOW: {
 675                 InsetBase * inset = cur.nextInset();
 676                 disable = !inset;
 677                 if (inset) {
 678                         code = inset->lyxCode();
 679                         if (!(code == InsetOld::INCLUDE_CODE
 680                                 || code == InsetOld::BIBTEX_CODE
 681                                 || code == InsetOld::FLOAT_LIST_CODE
 682                                 || code == InsetOld::TOC_CODE))
 683                                 disable = true;
 684                 }
 685                 break;
 686         }
 687         default:
 688                 break;
 689         }
 690         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 691                 disable = true;
 692
 693         if (disable)
 694                 flag.disabled(true);
 695
 696         // A few general toggles
 697         switch (cmd.action) {
 698         case LFUN_TOOLTIPS_TOGGLE:
 699                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 700                 break;
 701
 702         case LFUN_READ_ONLY_TOGGLE:
 703                 flag.setOnOff(buf->isReadonly());
 704                 break;
 705         case LFUN_APPENDIX:
 706                 flag.setOnOff(cur.inTexted()
 707                         && cur.paragraph().params().startOfAppendix());
 708                 break;
 709         case LFUN_SWITCHBUFFER:
 710                 // toggle on the current buffer, but do not toggle off
 711                 // the other ones (is that a good idea?)
 712                 if (cmd.argument == buf->fileName())
 713                         flag.setOnOff(true);
 714                 break;
 715         case LFUN_TRACK_CHANGES:
 716                 flag.setOnOff(buf->params().tracking_changes);
 717                 break;
 718         default:
 719                 break;
 720         }
 721
 722 #ifdef LOCK
 723         // the font related toggles
 724         if (cur.inTexted()) {
 725                 LyXFont const & font = cur.text()->real_current_font;
 726                 switch (cmd.action) {
 727                 case LFUN_EMPH:
 728                         flag.setOnOff(font.emph() == LyXFont::ON);
 729                         break;
 730                 case LFUN_NOUN:
 731                         flag.setOnOff(font.noun() == LyXFont::ON);
 732                         break;
 733                 case LFUN_BOLD:
 734                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 735                         break;
 736                 case LFUN_SANS:
 737                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 738                         break;
 739                 case LFUN_ROMAN:
 740                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 741                         break;
 742                 case LFUN_CODE:
 743                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 744                         break;
 745                 default:
 746                         break;
 747                 }
 748         } else {
 749                 string tc = mathcursor::getLastCode();
 750                 switch (cmd.action) {
 751                 case LFUN_BOLD:
 752                         flag.setOnOff(tc == "mathbf");
 753                         break;
 754                 case LFUN_SANS:
 755                         flag.setOnOff(tc == "mathsf");
 756                         break;
 757                 case LFUN_EMPH:
 758                         flag.setOnOff(tc == "mathcal");
 759                         break;
 760                 case LFUN_ROMAN:
 761                         flag.setOnOff(tc == "mathrm");
 762                         break;
 763                 case LFUN_CODE:
 764                         flag.setOnOff(tc == "mathtt");
 765                         break;
 766                 case LFUN_NOUN:
 767                         flag.setOnOff(tc == "mathbb");
 768                         break;
 769                 case LFUN_DEFAULT:
 770                         flag.setOnOff(tc == "mathnormal");
 771                         break;
 772                 default:
 773                         break;
 774                 }
 775         }
 776 #endif
 777
 778         // this one is difficult to get right. As a half-baked
 779         // solution, we consider only the first action of the sequence
 780         if (cmd.action == LFUN_SEQUENCE) {
 781                 // argument contains ';'-terminated commands
 782 #warning LyXAction arguments not handled here.
 783                 flag = getStatus(FuncRequest(
 784                         lyxaction.lookupFunc(token(cmd.argument, ';', 0))));
 785         }
 786
 787         return flag;
 788 }
 789
 790
 791 namespace {
 792
 793 bool ensureBufferClean(BufferView * bv)
 794 {
 795         Buffer & buf = *bv->buffer();
 796         if (buf.isClean())
 797                 return true;
 798
 799         string const file = MakeDisplayPath(buf.fileName(), 30);
 800         string text = bformat(_("The document %1$s has unsaved "
 801                                 "changes.\n\nDo you want to save "
 802                                 "the document?"), file);
 803         int const ret = Alert::prompt(_("Save changed document?"),
 804                                       text, 0, 1, _("&Save"),
 805                                       _("&Cancel"));
 806
 807         if (ret == 0)
 808                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 809
 810         return buf.isClean();
 811 }
 812
 813 } //namespace anon
 814
 815
 816 void LyXFunc::dispatch(FuncRequest const & cmd, bool verbose)
 817 {
 818         string argument = cmd.argument;
 819         kb_action action = cmd.action;
 820
 821         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: cmd: " << cmd << endl;
 822         lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 823
 824         // we have not done anything wrong yet.
 825         errorstat = false;
 826         dispatch_buffer.erase();
 827         selection_possible = false;
 828
 829         // We cannot use this function here
 830         if (getStatus(cmd).disabled()) {
 831                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 832                        << lyxaction.getActionName(action)
 833                        << " [" << action << "] is disabled at this location"
 834                        << endl;
 835                 setErrorMessage(getStatusMessage());
 836
 837         } else {
 838
 839                 if (view()->available())
 840                         view()->hideCursor();
 841
 842                 switch (action) {
 843
 844                 case LFUN_ESCAPE: {
 845                         if (!view()->available())
 846                                 break;
 847                         view()->cursor().pop();
 848                         // Tell the paragraph dialog that we changed paragraph
 849                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 850                         break;
 851                 }
 852
 853                 case LFUN_WORDFINDFORWARD:
 854                 case LFUN_WORDFINDBACKWARD: {
 855                         static string last_search;
 856                         string searched_string;
 857
 858                         if (!argument.empty()) {
 859                                 last_search = argument;
 860                                 searched_string = argument;
 861                         } else
 862                                 searched_string = last_search;
 863
 864                         if (searched_string.empty())
 865                                 break;
 866
 867                         bool const fw = action == LFUN_WORDFINDFORWARD;
 868                         string const data =
 869                                 lyx::find::find2string(searched_string, true, false, fw);
 870                         view()->dispatch(FuncRequest(LFUN_WORD_FIND, data));
 871                         break;
 872                 }
 873
 874                 case LFUN_PREFIX:
 875                         owner->message(keyseq.printOptions());
 876                         break;
 877
 878                 case LFUN_EXEC_COMMAND:
 879                         owner->focus_command_buffer();
 880                         break;
 881
 882                 case LFUN_CANCEL:
 883                         keyseq.reset();
 884                         meta_fake_bit = key_modifier::none;
 885                         if (view()->available())
 886                                 // cancel any selection
 887                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 888                         setMessage(N_("Cancel"));
 889                         break;
 890
 891                 case LFUN_META_FAKE:
 892                         meta_fake_bit = key_modifier::alt;
 893                         setMessage(keyseq.print());
 894                         break;
 895
 896                 case LFUN_READ_ONLY_TOGGLE:
 897                         if (owner->buffer()->lyxvc().inUse())
 898                                 owner->buffer()->lyxvc().toggleReadOnly();
 899                         else
 900                                 owner->buffer()->setReadonly(
 901                                         !owner->buffer()->isReadonly());
 902                         break;
 903
 904                 case LFUN_CENTER: // this is center and redraw.
 905                         view()->center();
 906                         break;
 907
 908                 // --- Menus -----------------------------------------------
 909                 case LFUN_MENUNEW:
 910                         menuNew(argument, false);
 911                         break;
 912
 913                 case LFUN_MENUNEWTMPLT:
 914                         menuNew(argument, true);
 915                         break;
 916
 917                 case LFUN_CLOSEBUFFER:
 918                         closeBuffer();
 919                         break;
 920
 921                 case LFUN_MENUWRITE:
 922                         if (!owner->buffer()->isUnnamed()) {
 923                                 string const str = bformat(_("Saving document %1$s..."),
 924                                          MakeDisplayPath(owner->buffer()->fileName()));
 925                                 owner->message(str);
 926                                 MenuWrite(owner->buffer());
 927                                 owner->message(str + _(" done."));
 928                         } else
 929                                 WriteAs(owner->buffer());
 930                         break;
 931
 932                 case LFUN_WRITEAS:
 933                         WriteAs(owner->buffer(), argument);
 934                         break;
 935
 936                 case LFUN_MENURELOAD: {
 937                         string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
 938                         string text = bformat(_("Any changes will be lost. Are you sure "
 939                                 "you want to revert to the saved version of the document %1$s?"), file);
 940                         int const ret = Alert::prompt(_("Revert to saved document?"),
 941                                 text, 0, 1, _("&Revert"), _("&Cancel"));
 942
 943                         if (ret == 0)
 944                                 view()->reload();
 945                         break;
 946                 }
 947
 948                 case LFUN_UPDATE:
 949                         Exporter::Export(owner->buffer(), argument, true);
 950                         view()->showErrorList(BufferFormat(*owner->buffer()));
 951                         break;
 952
 953                 case LFUN_PREVIEW:
 954                         Exporter::Preview(owner->buffer(), argument);
 955                         view()->showErrorList(BufferFormat(*owner->buffer()));
 956                         break;
 957
 958                 case LFUN_BUILDPROG:
 959                         Exporter::Export(owner->buffer(), "program", true);
 960                         view()->showErrorList(_("Build"));
 961                         break;
 962
 963                 case LFUN_RUNCHKTEX:
 964                         owner->buffer()->runChktex();
 965                         view()->showErrorList(_("ChkTeX"));
 966                         break;
 967
 968                 case LFUN_EXPORT:
 969                         if (argument == "custom")
 970                                 owner->getDialogs().showSendto();
 971                         else {
 972                                 Exporter::Export(owner->buffer(), argument, false);
 973                                 view()->showErrorList(BufferFormat(*owner->buffer()));
 974                         }
 975                         break;
 976
 977                 case LFUN_IMPORT:
 978                         doImport(argument);
 979                         break;
 980
 981                 case LFUN_QUIT:
 982                         QuitLyX();
 983                         break;
 984
 985                 case LFUN_TOCVIEW: {
 986                         InsetCommandParams p("tableofcontents");
 987                         string const data = InsetCommandMailer::params2string("toc", p);
 988                         owner->getDialogs().show("toc", data, 0);
 989                         break;
 990                 }
 991
 992                 case LFUN_AUTOSAVE:
 993                         AutoSave(view());
 994                         break;
 995
 996                 case LFUN_RECONFIGURE:
 997                         Reconfigure(view());
 998                         break;
 999
1000                 case LFUN_HELP_OPEN: {
1001                         string const arg = argument;
1002                         if (arg.empty()) {
1003                                 setErrorMessage(N_("Missing argument"));
1004                                 break;
1005                         }
1006                         string const fname = i18nLibFileSearch("doc", arg, "lyx");
1007                         if (fname.empty()) {
1008                                 lyxerr << "LyX: unable to find documentation file `"
1009                                                          << arg << "'. Bad installation?" << endl;
1010                                 break;
1011                         }
1012                         owner->message(bformat(_("Opening help file %1$s..."),
1013                                 MakeDisplayPath(fname)));
1014                         view()->loadLyXFile(fname, false);
1015                         break;
1016                 }
1017
1018                 // --- version control -------------------------------
1019                 case LFUN_VC_REGISTER:
1020                         if (!ensureBufferClean(view()))
1021                                 break;
1022                         if (!owner->buffer()->lyxvc().inUse()) {
1023                                 owner->buffer()->lyxvc().registrer();
1024                                 view()->reload();
1025                         }
1026                         break;
1027
1028                 case LFUN_VC_CHECKIN:
1029                         if (!ensureBufferClean(view()))
1030                                 break;
1031                         if (owner->buffer()->lyxvc().inUse()
1032                                         && !owner->buffer()->isReadonly()) {
1033                                 owner->buffer()->lyxvc().checkIn();
1034                                 view()->reload();
1035                         }
1036                         break;
1037
1038                 case LFUN_VC_CHECKOUT:
1039                         if (!ensureBufferClean(view()))
1040                                 break;
1041                         if (owner->buffer()->lyxvc().inUse()
1042                                         && owner->buffer()->isReadonly()) {
1043                                 owner->buffer()->lyxvc().checkOut();
1044                                 view()->reload();
1045                         }
1046                         break;
1047
1048                 case LFUN_VC_REVERT:
1049                         owner->buffer()->lyxvc().revert();
1050                         view()->reload();
1051                         break;
1052
1053                 case LFUN_VC_UNDO:
1054                         owner->buffer()->lyxvc().undoLast();
1055                         view()->reload();
1056                         break;
1057
1058                 // --- buffers ----------------------------------------
1059                 case LFUN_SWITCHBUFFER:
1060                         view()->buffer(bufferlist.getBuffer(argument));
1061                         break;
1062
1063                 case LFUN_FILE_NEW:
1064                         NewFile(view(), argument);
1065                         break;
1066
1067                 case LFUN_FILE_OPEN:
1068                         open(argument);
1069                         break;
1070
1071                 case LFUN_LAYOUT_TABULAR:
1072                         if (InsetTabular * tab = view()->cursor().innerInsetTabular())
1073                                 tab->openLayoutDialog(view());
1074                         break;
1075
1076                 case LFUN_DROP_LAYOUTS_CHOICE:
1077                         owner->getToolbar().openLayoutList();
1078                         break;
1079
1080                 case LFUN_MENU_OPEN_BY_NAME:
1081                         owner->getMenubar().openByName(argument);
1082                         break;
1083
1084                 // --- lyxserver commands ----------------------------
1085                 case LFUN_GETNAME:
1086                         setMessage(owner->buffer()->fileName());
1087                         lyxerr[Debug::INFO] << "FNAME["
1088                                                          << owner->buffer()->fileName()
1089                                                          << "] " << endl;
1090                         break;
1091
1092                 case LFUN_NOTIFY:
1093                         dispatch_buffer = keyseq.print();
1094                         lyxserver->notifyClient(dispatch_buffer);
1095                         break;
1096
1097                 case LFUN_GOTOFILEROW: {
1098                         string file_name;
1099                         int row;
1100                         istringstream is(argument);
1101                         is >> file_name >> row;
1102                         if (prefixIs(file_name, getTmpDir())) {
1103                                 // Needed by inverse dvi search. If it is a file
1104                                 // in tmpdir, call the apropriated function
1105                                 view()->buffer(bufferlist.getBufferFromTmp(file_name));
1106                         } else {
1107                                 // Must replace extension of the file to be .lyx
1108                                 // and get full path
1109                                 string const s = ChangeExtension(file_name, ".lyx");
1110                                 // Either change buffer or load the file
1111                                 if (bufferlist.exists(s)) {
1112                                         view()->buffer(bufferlist.getBuffer(s));
1113                                 } else {
1114                                         view()->loadLyXFile(s);
1115                                 }
1116                         }
1117
1118                         view()->setCursorFromRow(row);
1119
1120                         view()->center();
1121                         // see BufferView_pimpl::center()
1122                         view()->updateScrollbar();
1123                         break;
1124                 }
1125
1126                 case LFUN_GOTO_PARAGRAPH: {
1127                         istringstream is(argument);
1128                         int id;
1129                         is >> id;
1130                         ParIterator par = owner->buffer()->getParFromID(id);
1131                         if (par == owner->buffer()->par_iterator_end()) {
1132                                 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1133                                                                 << id << ']' << endl;
1134                                 break;
1135                         } else {
1136                                 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1137                                                                 << " found." << endl;
1138                         }
1139
1140                         // Set the cursor
1141                         view()->setCursor(par, 0);
1142
1143                         view()->switchKeyMap();
1144                         owner->view_state_changed();
1145
1146                         view()->center();
1147                         // see BufferView_pimpl::center()
1148                         view()->updateScrollbar();
1149                         break;
1150                 }
1151
1152                 case LFUN_DIALOG_SHOW: {
1153                         string const name = cmd.getArg(0);
1154                         string data = trim(cmd.argument.substr(name.size()));
1155
1156                         if (name == "character") {
1157                                 data = freefont2string();
1158                                 if (!data.empty())
1159                                         owner->getDialogs().show("character", data);
1160                         }
1161                         else if (name == "document")
1162                                 owner->getDialogs().showDocument();
1163                         else if (name == "forks")
1164                                 owner->getDialogs().showForks();
1165                         else if (name == "preamble")
1166                                 owner->getDialogs().showPreamble();
1167                         else if (name == "preferences")
1168                                 owner->getDialogs().showPreferences();
1169                         else if (name == "print")
1170                                 owner->getDialogs().showPrint();
1171                         else if (name == "spellchecker")
1172                                 owner->getDialogs().showSpellchecker();
1173
1174                         else if (name == "latexlog") {
1175                                 pair<Buffer::LogType, string> const logfile =
1176                                         owner->buffer()->getLogName();
1177                                 switch (logfile.first) {
1178                                 case Buffer::latexlog:
1179                                         data = "latex ";
1180                                         break;
1181                                 case Buffer::buildlog:
1182                                         data = "literate ";
1183                                         break;
1184                                 }
1185                                 data += logfile.second;
1186                                 owner->getDialogs().show("log", data);
1187                         }
1188                         else if (name == "vclog") {
1189                                 string const data = "vc " +
1190                                         owner->buffer()->lyxvc().getLogFile();
1191                                 owner->getDialogs().show("log", data);
1192                         }
1193                         else
1194                                 owner->getDialogs().show(name, data);
1195                         break;
1196                 }
1197
1198                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1199                         string const name = cmd.getArg(0);
1200                         string data = trim(cmd.argument.substr(name.size()));
1201                         if (name == "bibitem" ||
1202                             name == "bibtex" ||
1203                             name == "include" ||
1204                             name == "index" ||
1205                             name == "label" ||
1206                             name == "ref" ||
1207                             name == "toc" ||
1208                             name == "url") {
1209                                 InsetCommandParams p(name);
1210                                 data = InsetCommandMailer::params2string(name, p);
1211                         } else if (name == "box") {
1212                                 // \c data == "Boxed" || "Frameless" etc
1213                                 InsetBoxParams p(data);
1214                                 data = InsetBoxMailer::params2string(p);
1215                         } else if (name == "branch") {
1216                                 InsetBranchParams p;
1217                                 data = InsetBranchMailer::params2string(p);
1218                         } else if (name == "citation") {
1219                                 InsetCommandParams p("cite");
1220                                 data = InsetCommandMailer::params2string(name, p);
1221                         } else if (name == "ert") {
1222                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1223                         } else if (name == "external") {
1224                                 InsetExternalParams p;
1225                                 Buffer const & buffer = *owner->buffer();
1226                                 data = InsetExternalMailer::params2string(p, buffer);
1227                         } else if (name == "float") {
1228                                 InsetFloatParams p;
1229                                 data = InsetFloatMailer::params2string(p);
1230                         } else if (name == "graphics") {
1231                                 InsetGraphicsParams p;
1232                                 Buffer const & buffer = *owner->buffer();
1233                                 data = InsetGraphicsMailer::params2string(p, buffer);
1234                         } else if (name == "note") {
1235                                 InsetNoteParams p;
1236                                 data = InsetNoteMailer::params2string(p);
1237                         } else if (name == "vspace") {
1238                                 VSpace space;
1239                                 data = InsetVSpaceMailer::params2string(space);
1240                         } else if (name == "wrap") {
1241                                 InsetWrapParams p;
1242                                 data = InsetWrapMailer::params2string(p);
1243                         }
1244                         owner->getDialogs().show(name, data, 0);
1245                         break;
1246                 }
1247
1248                 case LFUN_DIALOG_SHOW_NEXT_INSET:
1249                         break;
1250
1251                 case LFUN_INSET_DIALOG_SHOW: {
1252                         InsetBase * inset = view()->cursor().nextInset();
1253                         if (inset)
1254                                 inset->dispatch(view()->cursor(), FuncRequest(LFUN_INSET_DIALOG_SHOW));
1255                         break;
1256                 }
1257
1258                 case LFUN_DIALOG_UPDATE: {
1259                         string const & name = argument;
1260                         // Can only update a dialog connected to an existing inset
1261                         InsetBase * inset = owner->getDialogs().getOpenInset(name);
1262                         if (inset) {
1263                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument);
1264                                 inset->dispatch(view()->cursor(), fr);
1265                         } else if (name == "paragraph") {
1266                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1267                         }
1268                         break;
1269                 }
1270
1271                 case LFUN_DIALOG_HIDE:
1272                         Dialogs::hide(argument, 0);
1273                         break;
1274
1275                 case LFUN_DIALOG_DISCONNECT_INSET:
1276                         owner->getDialogs().disconnect(argument);
1277                         break;
1278
1279                 case LFUN_CHILDOPEN: {
1280                         string const filename =
1281                                 MakeAbsPath(argument, owner->buffer()->filePath());
1282                         setMessage(N_("Opening child document ") +
1283                                          MakeDisplayPath(filename) + "...");
1284                         view()->savePosition(0);
1285                         string const parentfilename = owner->buffer()->fileName();
1286                         if (bufferlist.exists(filename))
1287                                 view()->buffer(bufferlist.getBuffer(filename));
1288                         else
1289                                 view()->loadLyXFile(filename);
1290                         // Set the parent name of the child document.
1291                         // This makes insertion of citations and references in the child work,
1292                         // when the target is in the parent or another child document.
1293                         owner->buffer()->setParentName(parentfilename);
1294                         break;
1295                 }
1296
1297                 case LFUN_TOGGLECURSORFOLLOW:
1298                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1299                         break;
1300
1301                 case LFUN_KMAP_OFF:
1302                         owner->getIntl().KeyMapOn(false);
1303                         break;
1304
1305                 case LFUN_KMAP_PRIM:
1306                         owner->getIntl().KeyMapPrim();
1307                         break;
1308
1309                 case LFUN_KMAP_SEC:
1310                         owner->getIntl().KeyMapSec();
1311                         break;
1312
1313                 case LFUN_KMAP_TOGGLE:
1314                         owner->getIntl().ToggleKeyMap();
1315                         break;
1316
1317                 case LFUN_REPEAT: {
1318                         // repeat command
1319                         string countstr;
1320                         argument = split(argument, countstr, ' ');
1321                         istringstream is(countstr);
1322                         int count = 0;
1323                         is >> count;
1324                         lyxerr << "repeat: count: " << count << " cmd: " << argument << endl;
1325                         for (int i = 0; i < count; ++i)
1326                                 dispatch(lyxaction.lookupFunc(argument));
1327                         break;
1328                 }
1329
1330                 case LFUN_SEQUENCE:
1331                         // argument contains ';'-terminated commands
1332                         while (!argument.empty()) {
1333                                 string first;
1334                                 argument = split(argument, first, ';');
1335                                 dispatch(lyxaction.lookupFunc(first));
1336                         }
1337                         break;
1338
1339                 case LFUN_SAVEPREFERENCES: {
1340                         Path p(user_lyxdir());
1341                         lyxrc.write("preferences");
1342                         break;
1343                 }
1344
1345                 case LFUN_SCREEN_FONT_UPDATE:
1346                         // handle the screen font changes.
1347                         lyxrc.set_font_norm_type();
1348                         lyx_gui::update_fonts();
1349                         // All visible buffers will need resize
1350                         view()->resize();
1351                         break;
1352
1353                 case LFUN_SET_COLOR: {
1354                         string lyx_name;
1355                         string const x11_name = split(argument, lyx_name, ' ');
1356                         if (lyx_name.empty() || x11_name.empty()) {
1357                                 setErrorMessage(N_("Syntax: set-color <lyx_name>"
1358                                                         " <x11_name>"));
1359                                 break;
1360                         }
1361
1362                         bool const graphicsbg_changed =
1363                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1364                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1365
1366                         LColor::color col = lcolor.getFromLyXName(lyx_name);
1367                         if (!lcolor.setColor(col, x11_name)) {
1368                                 setErrorMessage(
1369                                         bformat(_("Set-color \"%1$s\" failed "
1370                                                                 "- color is undefined or "
1371                                                                 "may not be redefined"), lyx_name));
1372                                 break;
1373                         }
1374
1375                         lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1376
1377                         if (graphicsbg_changed) {
1378 #ifdef WITH_WARNINGS
1379 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1380 #endif
1381 #if 0
1382                                 lyx::graphics::GCache::get().changeDisplay(true);
1383 #endif
1384                         }
1385                         break;
1386                 }
1387
1388                 case LFUN_MESSAGE:
1389                         owner->message(argument);
1390                         break;
1391
1392                 case LFUN_FORKS_KILL:
1393                         if (isStrInt(argument))
1394                                 ForkedcallsController::get().kill(strToInt(argument));
1395                         break;
1396
1397                 case LFUN_TOOLTIPS_TOGGLE:
1398                         owner->getDialogs().toggleTooltips();
1399                         break;
1400
1401                 case LFUN_EXTERNAL_EDIT:
1402                         InsetExternal().dispatch(view()->cursor(), FuncRequest(action, argument));
1403                         break;
1404
1405                 default:
1406                         DispatchResult res = view()->cursor().dispatch(cmd);
1407                         if (!res.dispatched());
1408                                 view()->dispatch(cmd);
1409                         break;
1410                 }
1411         }
1412
1413         if (view()->cursor().inTexted())
1414                 view()->owner()->updateLayoutChoice();
1415
1416         if (view()->available()) {
1417                 view()->fitCursor();
1418                 view()->update();
1419                 view()->cursor().updatePos();
1420                 // if we executed a mutating lfun, mark the buffer as dirty
1421                 if (!getStatus(cmd).disabled()
1422                     && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)
1423                     && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly))
1424                         view()->buffer()->markDirty();
1425         }
1426
1427         if (view()->cursor().inTexted())
1428                 sendDispatchMessage(getMessage(), cmd, verbose);
1429 }
1430
1431
1432 void LyXFunc::sendDispatchMessage(string const & msg,
1433                                   FuncRequest const & cmd, bool verbose)
1434 {
1435         owner->updateMenubar();
1436         owner->updateToolbar();
1437
1438         if (cmd.action == LFUN_SELFINSERT || !verbose) {
1439                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1440                 if (!msg.empty())
1441                         owner->message(msg);
1442                 return;
1443         }
1444
1445         string dispatch_msg = msg;
1446         if (!dispatch_msg.empty())
1447                 dispatch_msg += ' ';
1448
1449         string comname = lyxaction.getActionName(cmd.action);
1450
1451         bool argsadded = false;
1452
1453         if (!cmd.argument.empty()) {
1454                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1455                         comname += ' ' + cmd.argument;
1456                         argsadded = true;
1457                 }
1458         }
1459
1460         string const shortcuts = toplevel_keymap->findbinding(cmd);
1461
1462         if (!shortcuts.empty()) {
1463                 comname += ": " + shortcuts;
1464         } else if (!argsadded && !cmd.argument.empty()) {
1465                 comname += ' ' + cmd.argument;
1466         }
1467
1468         if (!comname.empty()) {
1469                 comname = rtrim(comname);
1470                 dispatch_msg += '(' + comname + ')';
1471         }
1472
1473         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1474         if (!dispatch_msg.empty())
1475                 owner->message(dispatch_msg);
1476 }
1477
1478
1479 void LyXFunc::setupLocalKeymap()
1480 {
1481         keyseq.stdmap = toplevel_keymap.get();
1482         keyseq.curmap = toplevel_keymap.get();
1483         cancel_meta_seq.stdmap = toplevel_keymap.get();
1484         cancel_meta_seq.curmap = toplevel_keymap.get();
1485 }
1486
1487
1488 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1489 {
1490         string initpath = lyxrc.document_path;
1491         string filename(name);
1492
1493         if (view()->available()) {
1494                 string const trypath = owner->buffer()->filePath();
1495                 // If directory is writeable, use this as default.
1496                 if (IsDirWriteable(trypath))
1497                         initpath = trypath;
1498         }
1499
1500         static int newfile_number;
1501
1502         if (filename.empty()) {
1503                 filename = AddName(lyxrc.document_path,
1504                             "newfile" + tostr(++newfile_number) + ".lyx");
1505                 FileInfo fi(filename);
1506                 while (bufferlist.exists(filename) || fi.readable()) {
1507                         ++newfile_number;
1508                         filename = AddName(lyxrc.document_path,
1509                                     "newfile" + tostr(newfile_number) +
1510                                     ".lyx");
1511                         fi.newFile(filename);
1512                 }
1513         }
1514
1515         // The template stuff
1516         string templname;
1517         if (fromTemplate) {
1518                 FileDialog fileDlg(_("Select template file"),
1519                         LFUN_SELECT_FILE_SYNC,
1520                         make_pair(string(_("Documents|#o#O")),
1521                                   string(lyxrc.document_path)),
1522                         make_pair(string(_("Templates|#T#t")),
1523                                   string(lyxrc.template_path)));
1524
1525                 FileDialog::Result result =
1526                         fileDlg.open(lyxrc.template_path,
1527                                      FileFilterList(_("LyX Documents (*.lyx)")),
1528                                      string());
1529
1530                 if (result.first == FileDialog::Later)
1531                         return;
1532                 if (result.second.empty())
1533                         return;
1534                 templname = result.second;
1535         }
1536
1537         view()->newFile(filename, templname, !name.empty());
1538 }
1539
1540
1541 void LyXFunc::open(string const & fname)
1542 {
1543         string initpath = lyxrc.document_path;
1544
1545         if (view()->available()) {
1546                 string const trypath = owner->buffer()->filePath();
1547                 // If directory is writeable, use this as default.
1548                 if (IsDirWriteable(trypath))
1549                         initpath = trypath;
1550         }
1551
1552         string filename;
1553
1554         if (fname.empty()) {
1555                 FileDialog fileDlg(_("Select document to open"),
1556                         LFUN_FILE_OPEN,
1557                         make_pair(string(_("Documents|#o#O")),
1558                                   string(lyxrc.document_path)),
1559                         make_pair(string(_("Examples|#E#e")),
1560                                   string(AddPath(system_lyxdir(), "examples"))));
1561
1562                 FileDialog::Result result =
1563                         fileDlg.open(initpath,
1564                                      FileFilterList(_("LyX Documents (*.lyx)")),
1565                                      string());
1566
1567                 if (result.first == FileDialog::Later)
1568                         return;
1569
1570                 filename = result.second;
1571
1572                 // check selected filename
1573                 if (filename.empty()) {
1574                         owner->message(_("Canceled."));
1575                         return;
1576                 }
1577         } else
1578                 filename = fname;
1579
1580         // get absolute path of file and add ".lyx" to the filename if
1581         // necessary
1582         string const fullpath = FileSearch(string(), filename, "lyx");
1583         if (!fullpath.empty()) {
1584                 filename = fullpath;
1585         }
1586
1587         string const disp_fn(MakeDisplayPath(filename));
1588
1589         // if the file doesn't exist, let the user create one
1590         FileInfo const f(filename, true);
1591         if (!f.exist()) {
1592                 // the user specifically chose this name. Believe them.
1593                 view()->newFile(filename, "", true);
1594                 return;
1595         }
1596
1597         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1598
1599         string str2;
1600         if (view()->loadLyXFile(filename)) {
1601                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1602         } else {
1603                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1604         }
1605         owner->message(str2);
1606 }
1607
1608
1609 void LyXFunc::doImport(string const & argument)
1610 {
1611         string format;
1612         string filename = split(argument, format, ' ');
1613
1614         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1615                             << " file: " << filename << endl;
1616
1617         // need user interaction
1618         if (filename.empty()) {
1619                 string initpath = lyxrc.document_path;
1620
1621                 if (view()->available()) {
1622                         string const trypath = owner->buffer()->filePath();
1623                         // If directory is writeable, use this as default.
1624                         if (IsDirWriteable(trypath))
1625                                 initpath = trypath;
1626                 }
1627
1628                 string const text = bformat(_("Select %1$s file to import"),
1629                         formats.prettyName(format));
1630
1631                 FileDialog fileDlg(text,
1632                         LFUN_IMPORT,
1633                         make_pair(string(_("Documents|#o#O")),
1634                                   string(lyxrc.document_path)),
1635                         make_pair(string(_("Examples|#E#e")),
1636                                   string(AddPath(system_lyxdir(), "examples"))));
1637
1638                 string const filter = formats.prettyName(format)
1639                         + " (*." + formats.extension(format) + ')';
1640
1641                 FileDialog::Result result =
1642                         fileDlg.open(initpath,
1643                                      FileFilterList(filter),
1644                                      string());
1645
1646                 if (result.first == FileDialog::Later)
1647                         return;
1648
1649                 filename = result.second;
1650
1651                 // check selected filename
1652                 if (filename.empty())
1653                         owner->message(_("Canceled."));
1654         }
1655
1656         if (filename.empty())
1657                 return;
1658
1659         // get absolute path of file
1660         filename = MakeAbsPath(filename);
1661
1662         string const lyxfile = ChangeExtension(filename, ".lyx");
1663
1664         // Check if the document already is open
1665         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1666                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1667                         owner->message(_("Canceled."));
1668                         return;
1669                 }
1670         }
1671
1672         // if the file exists already, and we didn't do
1673         // -i lyx thefile.lyx, warn
1674         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1675                 string const file = MakeDisplayPath(lyxfile, 30);
1676
1677                 string text = bformat(_("The document %1$s already exists.\n\n"
1678                         "Do you want to over-write that document?"), file);
1679                 int const ret = Alert::prompt(_("Over-write document?"),
1680                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1681
1682                 if (ret == 1) {
1683                         owner->message(_("Canceled."));
1684                         return;
1685                 }
1686         }
1687
1688         Importer::Import(owner, filename, format);
1689 }
1690
1691
1692 void LyXFunc::closeBuffer()
1693 {
1694         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1695                 if (bufferlist.empty()) {
1696                         // need this otherwise SEGV may occur while
1697                         // trying to set variables that don't exist
1698                         // since there's no current buffer
1699                         owner->getDialogs().hideBufferDependent();
1700                 } else {
1701                         view()->buffer(bufferlist.first());
1702                 }
1703         }
1704 }
1705
1706
1707 // Each "owner" should have it's own message method. lyxview and
1708 // the minibuffer would use the minibuffer, but lyxserver would
1709 // send an ERROR signal to its client.  Alejandro 970603
1710 // This function is bit problematic when it comes to NLS, to make the
1711 // lyx servers client be language indepenent we must not translate
1712 // strings sent to this func.
1713 void LyXFunc::setErrorMessage(string const & m) const
1714 {
1715         dispatch_buffer = m;
1716         errorstat = true;
1717 }
1718
1719
1720 void LyXFunc::setMessage(string const & m) const
1721 {
1722         dispatch_buffer = m;
1723 }
1724
1725
1726 void LyXFunc::setStatusMessage(string const & m) const
1727 {
1728         status_buffer = m;
1729 }
1730
1731
1732 string const LyXFunc::viewStatusMessage()
1733 {
1734         // When meta-fake key is pressed, show the key sequence so far + "M-".
1735         if (wasMetaKey())
1736                 return keyseq.print() + "M-";
1737
1738         // Else, when a non-complete key sequence is pressed,
1739         // show the available options.
1740         if (keyseq.length() > 0 && !keyseq.deleted())
1741                 return keyseq.printOptions();
1742
1743         if (!view()->available())
1744                 return _("Welcome to LyX!");
1745
1746         return view()->cursor().currentState();
1747 }
1748
1749
1750 BufferView * LyXFunc::view() const
1751 {
1752         BOOST_ASSERT(owner);
1753         return owner->view().get();
1754 }
1755
1756
1757 bool LyXFunc::wasMetaKey() const
1758 {
1759         return (meta_fake_bit != key_modifier::none);
1760 }