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         InsetTabular * tab = cur.innerInsetTabular();
 314
 315         // I would really like to avoid having this switch and rather try to
 316         // encode this in the function itself.
 317         bool disable = false;
 318         switch (cmd.action) {
 319         case LFUN_EXPORT:
 320                 disable = cmd.argument != "custom"
 321                         && !Exporter::IsExportable(*buf, cmd.argument);
 322                 break;
 323         case LFUN_UNDO:
 324                 disable = buf->undostack().empty();
 325                 break;
 326         case LFUN_REDO:
 327                 disable = buf->redostack().empty();
 328                 break;
 329         case LFUN_CUT:
 330         case LFUN_COPY:
 331                 if (tab && tab->hasSelection())
 332                         disable = false;
 333                 else
 334                         disable = cur.inTexted() && !cur.selection();
 335                 break;
 336
 337         case LFUN_RUNCHKTEX:
 338                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 339                 break;
 340
 341         case LFUN_BUILDPROG:
 342                 disable = !Exporter::IsExportable(*buf, "program");
 343                 break;
 344
 345         case LFUN_LAYOUT_TABULAR:
 346                 disable = !cur.innerInsetTabular();
 347                 break;
 348
 349         case LFUN_DEPTH_MIN:
 350                 disable = !changeDepthAllowed(cur, view()->getLyXText(), DEC_DEPTH);
 351                 break;
 352
 353         case LFUN_DEPTH_PLUS:
 354                 disable = !changeDepthAllowed(cur, view()->getLyXText(), INC_DEPTH);
 355                 break;
 356
 357         case LFUN_LAYOUT:
 358         case LFUN_LAYOUT_PARAGRAPH:
 359                 disable = cur.inset()
 360                         && cur.inset()->forceDefaultParagraphs(cur.inset());
 361                 break;
 362
 363         case LFUN_INSET_OPTARG:
 364                 disable = cur.inMathed()
 365                         || cur.paragraph().layout()->optionalargs == 0;
 366                 break;
 367
 368         case LFUN_TABULAR_FEATURE:
 369 #if 0
 370                 if (cur.inMathed()) {
 371                         // FIXME: check temporarily disabled
 372                         // valign code
 373                         char align = mathcursor::valign();
 374                         if (align == '\0') {
 375                                 disable = true;
 376                                 break;
 377                         }
 378                         if (cmd.argument.empty()) {
 379                                 flag.clear();
 380                                 break;
 381                         }
 382                         if (!contains("tcb", cmd.argument[0])) {
 383                                 disable = true;
 384                                 break;
 385                         }
 386                         flag.setOnOff(cmd.argument[0] == align);
 387                 } else {
 388                         disable = true;
 389
 390                         char align = mathcursor::halign();
 391                         if (align == '\0') {
 392                                 disable = true;
 393                                 break;
 394                         }
 395                         if (cmd.argument.empty()) {
 396                                 flag.clear();
 397                                 break;
 398                         }
 399                         if (!contains("lcr", cmd.argument[0])) {
 400                                 disable = true;
 401                                 break;
 402                         }
 403                         flag.setOnOff(cmd.argument[0] == align);
 404
 405                         disable = !mathcursor::halign();
 406                         break;
 407                 }
 408
 409                 if (tli) {
 410                         FuncStatus ret;
 411                         //ret.disabled(true);
 412                         InsetTabular * tab = cur.innerInsetTabular();
 413                         if (tab) {
 414                                 ret = tab->getStatus(cmd.argument);
 415                                 flag |= ret;
 416                                 disable = false;
 417                         } else {
 418                                 disable = true;
 419                         }
 420                 } else {
 421                         static InsetTabular inset(*buf, 1, 1);
 422                         disable = true;
 423                         FuncStatus ret = inset.getStatus(cmd.argument);
 424                         if (ret.onoff(true) || ret.onoff(false))
 425                                 flag.setOnOff(false);
 426                 }
 427 #endif
 428                 break;
 429
 430         case LFUN_VC_REGISTER:
 431                 disable = buf->lyxvc().inUse();
 432                 break;
 433         case LFUN_VC_CHECKIN:
 434                 disable = !buf->lyxvc().inUse() || buf->isReadonly();
 435                 break;
 436         case LFUN_VC_CHECKOUT:
 437                 disable = !buf->lyxvc().inUse() || !buf->isReadonly();
 438                 break;
 439         case LFUN_VC_REVERT:
 440         case LFUN_VC_UNDO:
 441                 disable = !buf->lyxvc().inUse();
 442                 break;
 443         case LFUN_MENURELOAD:
 444                 disable = buf->isUnnamed() || buf->isClean();
 445                 break;
 446         case LFUN_BOOKMARK_GOTO:
 447                 disable = !view()->
 448                         isSavedPosition(strToUnsignedInt(cmd.argument));
 449                 break;
 450
 451         case LFUN_MERGE_CHANGES:
 452         case LFUN_ACCEPT_CHANGE:
 453         case LFUN_REJECT_CHANGE:
 454         case LFUN_ACCEPT_ALL_CHANGES:
 455         case LFUN_REJECT_ALL_CHANGES:
 456                 disable = !buf->params().tracking_changes;
 457                 break;
 458
 459         case LFUN_INSET_SETTINGS: {
 460                 disable = true;
 461                 if (!cur.inset())
 462                         break;
 463                 UpdatableInset * inset = cur.inset()->asUpdatableInset();
 464                 if (!inset)
 465                         break;
 466
 467                 // jump back to owner if an InsetText, so
 468                 // we get back to the InsetTabular or whatever
 469                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 470                         inset = inset->owner();
 471
 472                 InsetOld::Code code = inset->lyxCode();
 473                 switch (code) {
 474                         case InsetOld::TABULAR_CODE:
 475                                 disable = cmd.argument != "tabular";
 476                                 break;
 477                         case InsetOld::ERT_CODE:
 478                                 disable = cmd.argument != "ert";
 479                                 break;
 480                         case InsetOld::FLOAT_CODE:
 481                                 disable = cmd.argument != "float";
 482                                 break;
 483                         case InsetOld::WRAP_CODE:
 484                                 disable = cmd.argument != "wrap";
 485                                 break;
 486                         case InsetOld::NOTE_CODE:
 487                                 disable = cmd.argument != "note";
 488                                 break;
 489                         case InsetOld::BRANCH_CODE:
 490                                 disable = cmd.argument != "branch";
 491                                 break;
 492                         case InsetOld::BOX_CODE:
 493                                 disable = cmd.argument != "box";
 494                                 break;
 495                         default:
 496                                 break;
 497                 }
 498                 break;
 499         }
 500
 501         case LFUN_MATH_MUTATE:
 502                 if (cur.inMathed())
 503                         //flag.setOnOff(mathcursor::formula()->hullType() == cmd.argument);
 504                         flag.setOnOff(false);
 505                 else
 506                         disable = true;
 507                 break;
 508
 509         // we just need to be in math mode to enable that
 510         case LFUN_MATH_SIZE:
 511         case LFUN_MATH_SPACE:
 512         case LFUN_MATH_LIMITS:
 513         case LFUN_MATH_NONUMBER:
 514         case LFUN_MATH_NUMBER:
 515         case LFUN_MATH_EXTERN:
 516                 disable = cur.inTexted();
 517                 break;
 518
 519         case LFUN_DIALOG_SHOW: {
 520                 string const name = cmd.getArg(0);
 521                 if (!buf) {
 522                         disable = !(name == "aboutlyx" ||
 523                                     name == "file" ||
 524                                     name == "forks" ||
 525                                     name == "preferences" ||
 526                                     name == "texinfo");
 527                         break;
 528                 }
 529
 530                 if (name == "print") {
 531                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 532                                 lyxrc.print_command == "none";
 533                 } else if (name == "character") {
 534                         InsetBase * inset = cur.inset();
 535                         disable = inset && inset->lyxCode() == InsetOld::ERT_CODE;
 536                 } else if (name == "vclog") {
 537                         disable = !buf->lyxvc().inUse();
 538                 } else if (name == "latexlog") {
 539                         disable = !IsFileReadable(buf->getLogName().second);
 540                 }
 541                 break;
 542         }
 543
 544         default:
 545                 break;
 546         }
 547
 548         // the functions which insert insets
 549         InsetOld::Code code = InsetOld::NO_CODE;
 550         switch (cmd.action) {
 551         case LFUN_DIALOG_SHOW_NEW_INSET:
 552                 if (cmd.argument == "bibitem")
 553                         code = InsetOld::BIBITEM_CODE;
 554                 else if (cmd.argument == "bibtex")
 555                         code = InsetOld::BIBTEX_CODE;
 556                 else if (cmd.argument == "box")
 557                         code = InsetOld::BOX_CODE;
 558                 else if (cmd.argument == "branch")
 559                         code = InsetOld::BRANCH_CODE;
 560                 else if (cmd.argument == "citation")
 561                         code = InsetOld::CITE_CODE;
 562                 else if (cmd.argument == "ert")
 563                         code = InsetOld::ERT_CODE;
 564                 else if (cmd.argument == "external")
 565                         code = InsetOld::EXTERNAL_CODE;
 566                 else if (cmd.argument == "float")
 567                         code = InsetOld::FLOAT_CODE;
 568                 else if (cmd.argument == "graphics")
 569                         code = InsetOld::GRAPHICS_CODE;
 570                 else if (cmd.argument == "include")
 571                         code = InsetOld::INCLUDE_CODE;
 572                 else if (cmd.argument == "index")
 573                         code = InsetOld::INDEX_CODE;
 574                 else if (cmd.argument == "label")
 575                         code = InsetOld::LABEL_CODE;
 576                 else if (cmd.argument == "note")
 577                         code = InsetOld::NOTE_CODE;
 578                 else if (cmd.argument == "ref")
 579                         code = InsetOld::REF_CODE;
 580                 else if (cmd.argument == "toc")
 581                         code = InsetOld::TOC_CODE;
 582                 else if (cmd.argument == "url")
 583                         code = InsetOld::URL_CODE;
 584                 else if (cmd.argument == "vspace")
 585                         code = InsetOld::VSPACE_CODE;
 586                 else if (cmd.argument == "wrap")
 587                         code = InsetOld::WRAP_CODE;
 588                 break;
 589
 590         case LFUN_INSET_ERT:
 591                 code = InsetOld::ERT_CODE;
 592                 break;
 593         case LFUN_INSET_FOOTNOTE:
 594                 code = InsetOld::FOOT_CODE;
 595                 break;
 596         case LFUN_TABULAR_INSERT:
 597                 code = InsetOld::TABULAR_CODE;
 598                 break;
 599         case LFUN_INSET_MARGINAL:
 600                 code = InsetOld::MARGIN_CODE;
 601                 break;
 602         case LFUN_INSET_FLOAT:
 603         case LFUN_INSET_WIDE_FLOAT:
 604                 code = InsetOld::FLOAT_CODE;
 605                 break;
 606         case LFUN_INSET_WRAP:
 607                 code = InsetOld::WRAP_CODE;
 608                 break;
 609         case LFUN_FLOAT_LIST:
 610                 code = InsetOld::FLOAT_LIST_CODE;
 611                 break;
 612 #if 0
 613         case LFUN_INSET_LIST:
 614                 code = InsetOld::LIST_CODE;
 615                 break;
 616         case LFUN_INSET_THEOREM:
 617                 code = InsetOld::THEOREM_CODE;
 618                 break;
 619 #endif
 620         case LFUN_INSET_CAPTION:
 621                 code = InsetOld::CAPTION_CODE;
 622                 break;
 623         case LFUN_INSERT_NOTE:
 624                 code = InsetOld::NOTE_CODE;
 625                 break;
 626         case LFUN_INSERT_CHARSTYLE:
 627                 code = InsetOld::CHARSTYLE_CODE;
 628                 if (buf->params().getLyXTextClass().charstyles().empty())
 629                         disable = true;
 630                 break;
 631         case LFUN_INSERT_BOX:
 632                 code = InsetOld::BOX_CODE;
 633                 break;
 634         case LFUN_INSERT_BRANCH:
 635                 code = InsetOld::BRANCH_CODE;
 636                 if (buf->params().branchlist().empty())
 637                         disable = true;
 638                 break;
 639         case LFUN_INSERT_LABEL:
 640                 code = InsetOld::LABEL_CODE;
 641                 break;
 642         case LFUN_INSET_OPTARG:
 643                 code = InsetOld::OPTARG_CODE;
 644                 break;
 645         case LFUN_ENVIRONMENT_INSERT:
 646                 code = InsetOld::BOX_CODE;
 647                 break;
 648         case LFUN_INDEX_INSERT:
 649                 code = InsetOld::INDEX_CODE;
 650                 break;
 651         case LFUN_INDEX_PRINT:
 652                 code = InsetOld::INDEX_PRINT_CODE;
 653                 break;
 654         case LFUN_TOC_INSERT:
 655                 code = InsetOld::TOC_CODE;
 656                 break;
 657         case LFUN_HTMLURL:
 658         case LFUN_URL:
 659                 code = InsetOld::URL_CODE;
 660                 break;
 661         case LFUN_QUOTE:
 662                 // always allow this, since we will inset a raw quote
 663                 // if an inset is not allowed.
 664                 break;
 665         case LFUN_HYPHENATION:
 666         case LFUN_LIGATURE_BREAK:
 667         case LFUN_HFILL:
 668         case LFUN_MENU_SEPARATOR:
 669         case LFUN_LDOTS:
 670         case LFUN_END_OF_SENTENCE:
 671                 code = InsetOld::SPECIALCHAR_CODE;
 672                 break;
 673         case LFUN_SPACE_INSERT:
 674                 // slight hack: we know this is allowed in math mode
 675                 if (cur.inTexted())
 676                         code = InsetOld::SPACE_CODE;
 677                 break;
 678         case LFUN_INSET_DIALOG_SHOW: {
 679                 InsetBase * inset = cur.nextInset();
 680                 disable = !inset;
 681                 if (inset) {
 682                         code = inset->lyxCode();
 683                         if (!(code == InsetOld::INCLUDE_CODE
 684                                 || code == InsetOld::BIBTEX_CODE
 685                                 || code == InsetOld::FLOAT_LIST_CODE
 686                                 || code == InsetOld::TOC_CODE))
 687                                 disable = true;
 688                 }
 689                 break;
 690         }
 691         default:
 692                 break;
 693         }
 694         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 695                 disable = true;
 696
 697         if (disable)
 698                 flag.disabled(true);
 699
 700         // A few general toggles
 701         switch (cmd.action) {
 702         case LFUN_TOOLTIPS_TOGGLE:
 703                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 704                 break;
 705
 706         case LFUN_READ_ONLY_TOGGLE:
 707                 flag.setOnOff(buf->isReadonly());
 708                 break;
 709         case LFUN_APPENDIX:
 710                 flag.setOnOff(cur.inTexted()
 711                         && cur.paragraph().params().startOfAppendix());
 712                 break;
 713         case LFUN_SWITCHBUFFER:
 714                 // toggle on the current buffer, but do not toggle off
 715                 // the other ones (is that a good idea?)
 716                 if (cmd.argument == buf->fileName())
 717                         flag.setOnOff(true);
 718                 break;
 719         case LFUN_TRACK_CHANGES:
 720                 flag.setOnOff(buf->params().tracking_changes);
 721                 break;
 722         default:
 723                 break;
 724         }
 725
 726 #ifdef LOCK
 727         // the font related toggles
 728         if (cur.inTexted()) {
 729                 LyXFont const & font = cur.text()->real_current_font;
 730                 switch (cmd.action) {
 731                 case LFUN_EMPH:
 732                         flag.setOnOff(font.emph() == LyXFont::ON);
 733                         break;
 734                 case LFUN_NOUN:
 735                         flag.setOnOff(font.noun() == LyXFont::ON);
 736                         break;
 737                 case LFUN_BOLD:
 738                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 739                         break;
 740                 case LFUN_SANS:
 741                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 742                         break;
 743                 case LFUN_ROMAN:
 744                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 745                         break;
 746                 case LFUN_CODE:
 747                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 748                         break;
 749                 default:
 750                         break;
 751                 }
 752         } else {
 753                 string tc = mathcursor::getLastCode();
 754                 switch (cmd.action) {
 755                 case LFUN_BOLD:
 756                         flag.setOnOff(tc == "mathbf");
 757                         break;
 758                 case LFUN_SANS:
 759                         flag.setOnOff(tc == "mathsf");
 760                         break;
 761                 case LFUN_EMPH:
 762                         flag.setOnOff(tc == "mathcal");
 763                         break;
 764                 case LFUN_ROMAN:
 765                         flag.setOnOff(tc == "mathrm");
 766                         break;
 767                 case LFUN_CODE:
 768                         flag.setOnOff(tc == "mathtt");
 769                         break;
 770                 case LFUN_NOUN:
 771                         flag.setOnOff(tc == "mathbb");
 772                         break;
 773                 case LFUN_DEFAULT:
 774                         flag.setOnOff(tc == "mathnormal");
 775                         break;
 776                 default:
 777                         break;
 778                 }
 779         }
 780 #endif
 781
 782         // this one is difficult to get right. As a half-baked
 783         // solution, we consider only the first action of the sequence
 784         if (cmd.action == LFUN_SEQUENCE) {
 785                 // argument contains ';'-terminated commands
 786 #warning LyXAction arguments not handled here.
 787                 flag = getStatus(FuncRequest(
 788                         lyxaction.lookupFunc(token(cmd.argument, ';', 0))));
 789         }
 790
 791         return flag;
 792 }
 793
 794
 795 namespace {
 796
 797 bool ensureBufferClean(BufferView * bv)
 798 {
 799         Buffer & buf = *bv->buffer();
 800         if (buf.isClean())
 801                 return true;
 802
 803         string const file = MakeDisplayPath(buf.fileName(), 30);
 804         string text = bformat(_("The document %1$s has unsaved "
 805                                 "changes.\n\nDo you want to save "
 806                                 "the document?"), file);
 807         int const ret = Alert::prompt(_("Save changed document?"),
 808                                       text, 0, 1, _("&Save"),
 809                                       _("&Cancel"));
 810
 811         if (ret == 0)
 812                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 813
 814         return buf.isClean();
 815 }
 816
 817 } //namespace anon
 818
 819
 820 void LyXFunc::dispatch(FuncRequest const & cmd, bool verbose)
 821 {
 822         string argument = cmd.argument;
 823         kb_action action = cmd.action;
 824
 825         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: cmd: " << cmd << endl;
 826         lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 827
 828         // we have not done anything wrong yet.
 829         errorstat = false;
 830         dispatch_buffer.erase();
 831         selection_possible = false;
 832
 833         // We cannot use this function here
 834         if (getStatus(cmd).disabled()) {
 835                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 836                        << lyxaction.getActionName(action)
 837                        << " [" << action << "] is disabled at this location"
 838                        << endl;
 839                 setErrorMessage(getStatusMessage());
 840
 841         } else {
 842
 843                 if (view()->available())
 844                         view()->hideCursor();
 845
 846                 switch (action) {
 847
 848                 case LFUN_ESCAPE: {
 849                         if (!view()->available())
 850                                 break;
 851                         view()->cursor().pop();
 852                         // Tell the paragraph dialog that we changed paragraph
 853                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 854                         break;
 855                 }
 856
 857                 case LFUN_WORDFINDFORWARD:
 858                 case LFUN_WORDFINDBACKWARD: {
 859                         static string last_search;
 860                         string searched_string;
 861
 862                         if (!argument.empty()) {
 863                                 last_search = argument;
 864                                 searched_string = argument;
 865                         } else
 866                                 searched_string = last_search;
 867
 868                         if (searched_string.empty())
 869                                 break;
 870
 871                         bool const fw = action == LFUN_WORDFINDFORWARD;
 872                         string const data =
 873                                 lyx::find::find2string(searched_string, true, false, fw);
 874                         view()->dispatch(FuncRequest(LFUN_WORD_FIND, data));
 875                         break;
 876                 }
 877
 878                 case LFUN_PREFIX:
 879                         owner->message(keyseq.printOptions());
 880                         break;
 881
 882                 case LFUN_EXEC_COMMAND:
 883                         owner->focus_command_buffer();
 884                         break;
 885
 886                 case LFUN_CANCEL:
 887                         keyseq.reset();
 888                         meta_fake_bit = key_modifier::none;
 889                         if (view()->available())
 890                                 // cancel any selection
 891                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 892                         setMessage(N_("Cancel"));
 893                         break;
 894
 895                 case LFUN_META_FAKE:
 896                         meta_fake_bit = key_modifier::alt;
 897                         setMessage(keyseq.print());
 898                         break;
 899
 900                 case LFUN_READ_ONLY_TOGGLE:
 901                         if (owner->buffer()->lyxvc().inUse())
 902                                 owner->buffer()->lyxvc().toggleReadOnly();
 903                         else
 904                                 owner->buffer()->setReadonly(
 905                                         !owner->buffer()->isReadonly());
 906                         break;
 907
 908                 case LFUN_CENTER: // this is center and redraw.
 909                         view()->center();
 910                         break;
 911
 912                 // --- Menus -----------------------------------------------
 913                 case LFUN_MENUNEW:
 914                         menuNew(argument, false);
 915                         break;
 916
 917                 case LFUN_MENUNEWTMPLT:
 918                         menuNew(argument, true);
 919                         break;
 920
 921                 case LFUN_CLOSEBUFFER:
 922                         closeBuffer();
 923                         break;
 924
 925                 case LFUN_MENUWRITE:
 926                         if (!owner->buffer()->isUnnamed()) {
 927                                 string const str = bformat(_("Saving document %1$s..."),
 928                                          MakeDisplayPath(owner->buffer()->fileName()));
 929                                 owner->message(str);
 930                                 MenuWrite(owner->buffer());
 931                                 owner->message(str + _(" done."));
 932                         } else
 933                                 WriteAs(owner->buffer());
 934                         break;
 935
 936                 case LFUN_WRITEAS:
 937                         WriteAs(owner->buffer(), argument);
 938                         break;
 939
 940                 case LFUN_MENURELOAD: {
 941                         string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
 942                         string text = bformat(_("Any changes will be lost. Are you sure "
 943                                 "you want to revert to the saved version of the document %1$s?"), file);
 944                         int const ret = Alert::prompt(_("Revert to saved document?"),
 945                                 text, 0, 1, _("&Revert"), _("&Cancel"));
 946
 947                         if (ret == 0)
 948                                 view()->reload();
 949                         break;
 950                 }
 951
 952                 case LFUN_UPDATE:
 953                         Exporter::Export(owner->buffer(), argument, true);
 954                         view()->showErrorList(BufferFormat(*owner->buffer()));
 955                         break;
 956
 957                 case LFUN_PREVIEW:
 958                         Exporter::Preview(owner->buffer(), argument);
 959                         view()->showErrorList(BufferFormat(*owner->buffer()));
 960                         break;
 961
 962                 case LFUN_BUILDPROG:
 963                         Exporter::Export(owner->buffer(), "program", true);
 964                         view()->showErrorList(_("Build"));
 965                         break;
 966
 967                 case LFUN_RUNCHKTEX:
 968                         owner->buffer()->runChktex();
 969                         view()->showErrorList(_("ChkTeX"));
 970                         break;
 971
 972                 case LFUN_EXPORT:
 973                         if (argument == "custom")
 974                                 owner->getDialogs().showSendto();
 975                         else {
 976                                 Exporter::Export(owner->buffer(), argument, false);
 977                                 view()->showErrorList(BufferFormat(*owner->buffer()));
 978                         }
 979                         break;
 980
 981                 case LFUN_IMPORT:
 982                         doImport(argument);
 983                         break;
 984
 985                 case LFUN_QUIT:
 986                         QuitLyX();
 987                         break;
 988
 989                 case LFUN_TOCVIEW: {
 990                         InsetCommandParams p("tableofcontents");
 991                         string const data = InsetCommandMailer::params2string("toc", p);
 992                         owner->getDialogs().show("toc", data, 0);
 993                         break;
 994                 }
 995
 996                 case LFUN_AUTOSAVE:
 997                         AutoSave(view());
 998                         break;
 999
1000                 case LFUN_RECONFIGURE:
1001                         Reconfigure(view());
1002                         break;
1003
1004                 case LFUN_HELP_OPEN: {
1005                         string const arg = argument;
1006                         if (arg.empty()) {
1007                                 setErrorMessage(N_("Missing argument"));
1008                                 break;
1009                         }
1010                         string const fname = i18nLibFileSearch("doc", arg, "lyx");
1011                         if (fname.empty()) {
1012                                 lyxerr << "LyX: unable to find documentation file `"
1013                                                          << arg << "'. Bad installation?" << endl;
1014                                 break;
1015                         }
1016                         owner->message(bformat(_("Opening help file %1$s..."),
1017                                 MakeDisplayPath(fname)));
1018                         view()->loadLyXFile(fname, false);
1019                         break;
1020                 }
1021
1022                 // --- version control -------------------------------
1023                 case LFUN_VC_REGISTER:
1024                         if (!ensureBufferClean(view()))
1025                                 break;
1026                         if (!owner->buffer()->lyxvc().inUse()) {
1027                                 owner->buffer()->lyxvc().registrer();
1028                                 view()->reload();
1029                         }
1030                         break;
1031
1032                 case LFUN_VC_CHECKIN:
1033                         if (!ensureBufferClean(view()))
1034                                 break;
1035                         if (owner->buffer()->lyxvc().inUse()
1036                                         && !owner->buffer()->isReadonly()) {
1037                                 owner->buffer()->lyxvc().checkIn();
1038                                 view()->reload();
1039                         }
1040                         break;
1041
1042                 case LFUN_VC_CHECKOUT:
1043                         if (!ensureBufferClean(view()))
1044                                 break;
1045                         if (owner->buffer()->lyxvc().inUse()
1046                                         && owner->buffer()->isReadonly()) {
1047                                 owner->buffer()->lyxvc().checkOut();
1048                                 view()->reload();
1049                         }
1050                         break;
1051
1052                 case LFUN_VC_REVERT:
1053                         owner->buffer()->lyxvc().revert();
1054                         view()->reload();
1055                         break;
1056
1057                 case LFUN_VC_UNDO:
1058                         owner->buffer()->lyxvc().undoLast();
1059                         view()->reload();
1060                         break;
1061
1062                 // --- buffers ----------------------------------------
1063                 case LFUN_SWITCHBUFFER:
1064                         view()->buffer(bufferlist.getBuffer(argument));
1065                         break;
1066
1067                 case LFUN_FILE_NEW:
1068                         NewFile(view(), argument);
1069                         break;
1070
1071                 case LFUN_FILE_OPEN:
1072                         open(argument);
1073                         break;
1074
1075                 case LFUN_LAYOUT_TABULAR:
1076                         if (InsetTabular * tab = view()->cursor().innerInsetTabular())
1077                                 tab->openLayoutDialog(view());
1078                         break;
1079
1080                 case LFUN_DROP_LAYOUTS_CHOICE:
1081                         owner->getToolbar().openLayoutList();
1082                         break;
1083
1084                 case LFUN_MENU_OPEN_BY_NAME:
1085                         owner->getMenubar().openByName(argument);
1086                         break;
1087
1088                 // --- lyxserver commands ----------------------------
1089                 case LFUN_GETNAME:
1090                         setMessage(owner->buffer()->fileName());
1091                         lyxerr[Debug::INFO] << "FNAME["
1092                                                          << owner->buffer()->fileName()
1093                                                          << "] " << endl;
1094                         break;
1095
1096                 case LFUN_NOTIFY:
1097                         dispatch_buffer = keyseq.print();
1098                         lyxserver->notifyClient(dispatch_buffer);
1099                         break;
1100
1101                 case LFUN_GOTOFILEROW: {
1102                         string file_name;
1103                         int row;
1104                         istringstream is(argument);
1105                         is >> file_name >> row;
1106                         if (prefixIs(file_name, getTmpDir())) {
1107                                 // Needed by inverse dvi search. If it is a file
1108                                 // in tmpdir, call the apropriated function
1109                                 view()->buffer(bufferlist.getBufferFromTmp(file_name));
1110                         } else {
1111                                 // Must replace extension of the file to be .lyx
1112                                 // and get full path
1113                                 string const s = ChangeExtension(file_name, ".lyx");
1114                                 // Either change buffer or load the file
1115                                 if (bufferlist.exists(s)) {
1116                                         view()->buffer(bufferlist.getBuffer(s));
1117                                 } else {
1118                                         view()->loadLyXFile(s);
1119                                 }
1120                         }
1121
1122                         view()->setCursorFromRow(row);
1123
1124                         view()->center();
1125                         // see BufferView_pimpl::center()
1126                         view()->updateScrollbar();
1127                         break;
1128                 }
1129
1130                 case LFUN_GOTO_PARAGRAPH: {
1131                         istringstream is(argument);
1132                         int id;
1133                         is >> id;
1134                         ParIterator par = owner->buffer()->getParFromID(id);
1135                         if (par == owner->buffer()->par_iterator_end()) {
1136                                 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1137                                                                 << id << ']' << endl;
1138                                 break;
1139                         } else {
1140                                 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1141                                                                 << " found." << endl;
1142                         }
1143
1144                         // Set the cursor
1145                         view()->setCursor(par, 0);
1146
1147                         view()->switchKeyMap();
1148                         owner->view_state_changed();
1149
1150                         view()->center();
1151                         // see BufferView_pimpl::center()
1152                         view()->updateScrollbar();
1153                         break;
1154                 }
1155
1156                 case LFUN_DIALOG_SHOW: {
1157                         string const name = cmd.getArg(0);
1158                         string data = trim(cmd.argument.substr(name.size()));
1159
1160                         if (name == "character") {
1161                                 data = freefont2string();
1162                                 if (!data.empty())
1163                                         owner->getDialogs().show("character", data);
1164                         }
1165                         else if (name == "document")
1166                                 owner->getDialogs().showDocument();
1167                         else if (name == "forks")
1168                                 owner->getDialogs().showForks();
1169                         else if (name == "preamble")
1170                                 owner->getDialogs().showPreamble();
1171                         else if (name == "preferences")
1172                                 owner->getDialogs().showPreferences();
1173                         else if (name == "print")
1174                                 owner->getDialogs().showPrint();
1175                         else if (name == "spellchecker")
1176                                 owner->getDialogs().showSpellchecker();
1177
1178                         else if (name == "latexlog") {
1179                                 pair<Buffer::LogType, string> const logfile =
1180                                         owner->buffer()->getLogName();
1181                                 switch (logfile.first) {
1182                                 case Buffer::latexlog:
1183                                         data = "latex ";
1184                                         break;
1185                                 case Buffer::buildlog:
1186                                         data = "literate ";
1187                                         break;
1188                                 }
1189                                 data += logfile.second;
1190                                 owner->getDialogs().show("log", data);
1191                         }
1192                         else if (name == "vclog") {
1193                                 string const data = "vc " +
1194                                         owner->buffer()->lyxvc().getLogFile();
1195                                 owner->getDialogs().show("log", data);
1196                         }
1197                         else
1198                                 owner->getDialogs().show(name, data);
1199                         break;
1200                 }
1201
1202                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1203                         string const name = cmd.getArg(0);
1204                         string data = trim(cmd.argument.substr(name.size()));
1205                         if (name == "bibitem" ||
1206                             name == "bibtex" ||
1207                             name == "include" ||
1208                             name == "index" ||
1209                             name == "label" ||
1210                             name == "ref" ||
1211                             name == "toc" ||
1212                             name == "url") {
1213                                 InsetCommandParams p(name);
1214                                 data = InsetCommandMailer::params2string(name, p);
1215                         } else if (name == "box") {
1216                                 // \c data == "Boxed" || "Frameless" etc
1217                                 InsetBoxParams p(data);
1218                                 data = InsetBoxMailer::params2string(p);
1219                         } else if (name == "branch") {
1220                                 InsetBranchParams p;
1221                                 data = InsetBranchMailer::params2string(p);
1222                         } else if (name == "citation") {
1223                                 InsetCommandParams p("cite");
1224                                 data = InsetCommandMailer::params2string(name, p);
1225                         } else if (name == "ert") {
1226                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1227                         } else if (name == "external") {
1228                                 InsetExternalParams p;
1229                                 Buffer const & buffer = *owner->buffer();
1230                                 data = InsetExternalMailer::params2string(p, buffer);
1231                         } else if (name == "float") {
1232                                 InsetFloatParams p;
1233                                 data = InsetFloatMailer::params2string(p);
1234                         } else if (name == "graphics") {
1235                                 InsetGraphicsParams p;
1236                                 Buffer const & buffer = *owner->buffer();
1237                                 data = InsetGraphicsMailer::params2string(p, buffer);
1238                         } else if (name == "note") {
1239                                 InsetNoteParams p;
1240                                 data = InsetNoteMailer::params2string(p);
1241                         } else if (name == "vspace") {
1242                                 VSpace space;
1243                                 data = InsetVSpaceMailer::params2string(space);
1244                         } else if (name == "wrap") {
1245                                 InsetWrapParams p;
1246                                 data = InsetWrapMailer::params2string(p);
1247                         }
1248                         owner->getDialogs().show(name, data, 0);
1249                         break;
1250                 }
1251
1252                 case LFUN_DIALOG_SHOW_NEXT_INSET:
1253                         break;
1254
1255                 case LFUN_INSET_DIALOG_SHOW: {
1256                         InsetBase * inset = view()->cursor().nextInset();
1257                         if (inset)
1258                                 inset->dispatch(view()->cursor(), FuncRequest(LFUN_INSET_DIALOG_SHOW));
1259                         break;
1260                 }
1261
1262                 case LFUN_DIALOG_UPDATE: {
1263                         string const & name = argument;
1264                         // Can only update a dialog connected to an existing inset
1265                         InsetBase * inset = owner->getDialogs().getOpenInset(name);
1266                         if (inset) {
1267                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument);
1268                                 inset->dispatch(view()->cursor(), fr);
1269                         } else if (name == "paragraph") {
1270                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1271                         }
1272                         break;
1273                 }
1274
1275                 case LFUN_DIALOG_HIDE:
1276                         Dialogs::hide(argument, 0);
1277                         break;
1278
1279                 case LFUN_DIALOG_DISCONNECT_INSET:
1280                         owner->getDialogs().disconnect(argument);
1281                         break;
1282
1283                 case LFUN_CHILDOPEN: {
1284                         string const filename =
1285                                 MakeAbsPath(argument, owner->buffer()->filePath());
1286                         setMessage(N_("Opening child document ") +
1287                                          MakeDisplayPath(filename) + "...");
1288                         view()->savePosition(0);
1289                         string const parentfilename = owner->buffer()->fileName();
1290                         if (bufferlist.exists(filename))
1291                                 view()->buffer(bufferlist.getBuffer(filename));
1292                         else
1293                                 view()->loadLyXFile(filename);
1294                         // Set the parent name of the child document.
1295                         // This makes insertion of citations and references in the child work,
1296                         // when the target is in the parent or another child document.
1297                         owner->buffer()->setParentName(parentfilename);
1298                         break;
1299                 }
1300
1301                 case LFUN_TOGGLECURSORFOLLOW:
1302                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1303                         break;
1304
1305                 case LFUN_KMAP_OFF:
1306                         owner->getIntl().KeyMapOn(false);
1307                         break;
1308
1309                 case LFUN_KMAP_PRIM:
1310                         owner->getIntl().KeyMapPrim();
1311                         break;
1312
1313                 case LFUN_KMAP_SEC:
1314                         owner->getIntl().KeyMapSec();
1315                         break;
1316
1317                 case LFUN_KMAP_TOGGLE:
1318                         owner->getIntl().ToggleKeyMap();
1319                         break;
1320
1321                 case LFUN_REPEAT: {
1322                         // repeat command
1323                         string countstr;
1324                         argument = split(argument, countstr, ' ');
1325                         istringstream is(countstr);
1326                         int count = 0;
1327                         is >> count;
1328                         lyxerr << "repeat: count: " << count << " cmd: " << argument << endl;
1329                         for (int i = 0; i < count; ++i)
1330                                 dispatch(lyxaction.lookupFunc(argument));
1331                         break;
1332                 }
1333
1334                 case LFUN_SEQUENCE:
1335                         // argument contains ';'-terminated commands
1336                         while (!argument.empty()) {
1337                                 string first;
1338                                 argument = split(argument, first, ';');
1339                                 dispatch(lyxaction.lookupFunc(first));
1340                         }
1341                         break;
1342
1343                 case LFUN_SAVEPREFERENCES: {
1344                         Path p(user_lyxdir());
1345                         lyxrc.write("preferences");
1346                         break;
1347                 }
1348
1349                 case LFUN_SCREEN_FONT_UPDATE:
1350                         // handle the screen font changes.
1351                         lyxrc.set_font_norm_type();
1352                         lyx_gui::update_fonts();
1353                         // All visible buffers will need resize
1354                         view()->resize();
1355                         break;
1356
1357                 case LFUN_SET_COLOR: {
1358                         string lyx_name;
1359                         string const x11_name = split(argument, lyx_name, ' ');
1360                         if (lyx_name.empty() || x11_name.empty()) {
1361                                 setErrorMessage(N_("Syntax: set-color <lyx_name>"
1362                                                         " <x11_name>"));
1363                                 break;
1364                         }
1365
1366                         bool const graphicsbg_changed =
1367                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1368                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1369
1370                         LColor::color col = lcolor.getFromLyXName(lyx_name);
1371                         if (!lcolor.setColor(col, x11_name)) {
1372                                 setErrorMessage(
1373                                         bformat(_("Set-color \"%1$s\" failed "
1374                                                                 "- color is undefined or "
1375                                                                 "may not be redefined"), lyx_name));
1376                                 break;
1377                         }
1378
1379                         lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1380
1381                         if (graphicsbg_changed) {
1382 #ifdef WITH_WARNINGS
1383 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1384 #endif
1385 #if 0
1386                                 lyx::graphics::GCache::get().changeDisplay(true);
1387 #endif
1388                         }
1389                         break;
1390                 }
1391
1392                 case LFUN_MESSAGE:
1393                         owner->message(argument);
1394                         break;
1395
1396                 case LFUN_FORKS_KILL:
1397                         if (isStrInt(argument))
1398                                 ForkedcallsController::get().kill(strToInt(argument));
1399                         break;
1400
1401                 case LFUN_TOOLTIPS_TOGGLE:
1402                         owner->getDialogs().toggleTooltips();
1403                         break;
1404
1405                 case LFUN_EXTERNAL_EDIT:
1406                         InsetExternal().dispatch(view()->cursor(), FuncRequest(action, argument));
1407                         break;
1408
1409                 default:
1410                         DispatchResult res = view()->cursor().dispatch(cmd);
1411                         if (!res.dispatched());
1412                                 view()->dispatch(cmd);
1413                         break;
1414                 }
1415         }
1416
1417         if (view()->cursor().inTexted())
1418                 view()->owner()->updateLayoutChoice();
1419
1420         if (view()->available()) {
1421                 view()->fitCursor();
1422                 view()->update();
1423                 view()->cursor().updatePos();
1424                 // if we executed a mutating lfun, mark the buffer as dirty
1425                 if (!getStatus(cmd).disabled()
1426                     && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)
1427                     && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly))
1428                         view()->buffer()->markDirty();
1429         }
1430
1431         if (view()->cursor().inTexted())
1432                 sendDispatchMessage(getMessage(), cmd, verbose);
1433 }
1434
1435
1436 void LyXFunc::sendDispatchMessage(string const & msg,
1437                                   FuncRequest const & cmd, bool verbose)
1438 {
1439         owner->updateMenubar();
1440         owner->updateToolbar();
1441
1442         if (cmd.action == LFUN_SELFINSERT || !verbose) {
1443                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1444                 if (!msg.empty())
1445                         owner->message(msg);
1446                 return;
1447         }
1448
1449         string dispatch_msg = msg;
1450         if (!dispatch_msg.empty())
1451                 dispatch_msg += ' ';
1452
1453         string comname = lyxaction.getActionName(cmd.action);
1454
1455         bool argsadded = false;
1456
1457         if (!cmd.argument.empty()) {
1458                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1459                         comname += ' ' + cmd.argument;
1460                         argsadded = true;
1461                 }
1462         }
1463
1464         string const shortcuts = toplevel_keymap->findbinding(cmd);
1465
1466         if (!shortcuts.empty()) {
1467                 comname += ": " + shortcuts;
1468         } else if (!argsadded && !cmd.argument.empty()) {
1469                 comname += ' ' + cmd.argument;
1470         }
1471
1472         if (!comname.empty()) {
1473                 comname = rtrim(comname);
1474                 dispatch_msg += '(' + comname + ')';
1475         }
1476
1477         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1478         if (!dispatch_msg.empty())
1479                 owner->message(dispatch_msg);
1480 }
1481
1482
1483 void LyXFunc::setupLocalKeymap()
1484 {
1485         keyseq.stdmap = toplevel_keymap.get();
1486         keyseq.curmap = toplevel_keymap.get();
1487         cancel_meta_seq.stdmap = toplevel_keymap.get();
1488         cancel_meta_seq.curmap = toplevel_keymap.get();
1489 }
1490
1491
1492 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1493 {
1494         string initpath = lyxrc.document_path;
1495         string filename(name);
1496
1497         if (view()->available()) {
1498                 string const trypath = owner->buffer()->filePath();
1499                 // If directory is writeable, use this as default.
1500                 if (IsDirWriteable(trypath))
1501                         initpath = trypath;
1502         }
1503
1504         static int newfile_number;
1505
1506         if (filename.empty()) {
1507                 filename = AddName(lyxrc.document_path,
1508                             "newfile" + tostr(++newfile_number) + ".lyx");
1509                 FileInfo fi(filename);
1510                 while (bufferlist.exists(filename) || fi.readable()) {
1511                         ++newfile_number;
1512                         filename = AddName(lyxrc.document_path,
1513                                     "newfile" + tostr(newfile_number) +
1514                                     ".lyx");
1515                         fi.newFile(filename);
1516                 }
1517         }
1518
1519         // The template stuff
1520         string templname;
1521         if (fromTemplate) {
1522                 FileDialog fileDlg(_("Select template file"),
1523                         LFUN_SELECT_FILE_SYNC,
1524                         make_pair(string(_("Documents|#o#O")),
1525                                   string(lyxrc.document_path)),
1526                         make_pair(string(_("Templates|#T#t")),
1527                                   string(lyxrc.template_path)));
1528
1529                 FileDialog::Result result =
1530                         fileDlg.open(lyxrc.template_path,
1531                                      FileFilterList(_("LyX Documents (*.lyx)")),
1532                                      string());
1533
1534                 if (result.first == FileDialog::Later)
1535                         return;
1536                 if (result.second.empty())
1537                         return;
1538                 templname = result.second;
1539         }
1540
1541         view()->newFile(filename, templname, !name.empty());
1542 }
1543
1544
1545 void LyXFunc::open(string const & fname)
1546 {
1547         string initpath = lyxrc.document_path;
1548
1549         if (view()->available()) {
1550                 string const trypath = owner->buffer()->filePath();
1551                 // If directory is writeable, use this as default.
1552                 if (IsDirWriteable(trypath))
1553                         initpath = trypath;
1554         }
1555
1556         string filename;
1557
1558         if (fname.empty()) {
1559                 FileDialog fileDlg(_("Select document to open"),
1560                         LFUN_FILE_OPEN,
1561                         make_pair(string(_("Documents|#o#O")),
1562                                   string(lyxrc.document_path)),
1563                         make_pair(string(_("Examples|#E#e")),
1564                                   string(AddPath(system_lyxdir(), "examples"))));
1565
1566                 FileDialog::Result result =
1567                         fileDlg.open(initpath,
1568                                      FileFilterList(_("LyX Documents (*.lyx)")),
1569                                      string());
1570
1571                 if (result.first == FileDialog::Later)
1572                         return;
1573
1574                 filename = result.second;
1575
1576                 // check selected filename
1577                 if (filename.empty()) {
1578                         owner->message(_("Canceled."));
1579                         return;
1580                 }
1581         } else
1582                 filename = fname;
1583
1584         // get absolute path of file and add ".lyx" to the filename if
1585         // necessary
1586         string const fullpath = FileSearch(string(), filename, "lyx");
1587         if (!fullpath.empty()) {
1588                 filename = fullpath;
1589         }
1590
1591         string const disp_fn(MakeDisplayPath(filename));
1592
1593         // if the file doesn't exist, let the user create one
1594         FileInfo const f(filename, true);
1595         if (!f.exist()) {
1596                 // the user specifically chose this name. Believe them.
1597                 view()->newFile(filename, "", true);
1598                 return;
1599         }
1600
1601         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1602
1603         string str2;
1604         if (view()->loadLyXFile(filename)) {
1605                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1606         } else {
1607                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1608         }
1609         owner->message(str2);
1610 }
1611
1612
1613 void LyXFunc::doImport(string const & argument)
1614 {
1615         string format;
1616         string filename = split(argument, format, ' ');
1617
1618         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1619                             << " file: " << filename << endl;
1620
1621         // need user interaction
1622         if (filename.empty()) {
1623                 string initpath = lyxrc.document_path;
1624
1625                 if (view()->available()) {
1626                         string const trypath = owner->buffer()->filePath();
1627                         // If directory is writeable, use this as default.
1628                         if (IsDirWriteable(trypath))
1629                                 initpath = trypath;
1630                 }
1631
1632                 string const text = bformat(_("Select %1$s file to import"),
1633                         formats.prettyName(format));
1634
1635                 FileDialog fileDlg(text,
1636                         LFUN_IMPORT,
1637                         make_pair(string(_("Documents|#o#O")),
1638                                   string(lyxrc.document_path)),
1639                         make_pair(string(_("Examples|#E#e")),
1640                                   string(AddPath(system_lyxdir(), "examples"))));
1641
1642                 string const filter = formats.prettyName(format)
1643                         + " (*." + formats.extension(format) + ')';
1644
1645                 FileDialog::Result result =
1646                         fileDlg.open(initpath,
1647                                      FileFilterList(filter),
1648                                      string());
1649
1650                 if (result.first == FileDialog::Later)
1651                         return;
1652
1653                 filename = result.second;
1654
1655                 // check selected filename
1656                 if (filename.empty())
1657                         owner->message(_("Canceled."));
1658         }
1659
1660         if (filename.empty())
1661                 return;
1662
1663         // get absolute path of file
1664         filename = MakeAbsPath(filename);
1665
1666         string const lyxfile = ChangeExtension(filename, ".lyx");
1667
1668         // Check if the document already is open
1669         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1670                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1671                         owner->message(_("Canceled."));
1672                         return;
1673                 }
1674         }
1675
1676         // if the file exists already, and we didn't do
1677         // -i lyx thefile.lyx, warn
1678         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1679                 string const file = MakeDisplayPath(lyxfile, 30);
1680
1681                 string text = bformat(_("The document %1$s already exists.\n\n"
1682                         "Do you want to over-write that document?"), file);
1683                 int const ret = Alert::prompt(_("Over-write document?"),
1684                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1685
1686                 if (ret == 1) {
1687                         owner->message(_("Canceled."));
1688                         return;
1689                 }
1690         }
1691
1692         Importer::Import(owner, filename, format);
1693 }
1694
1695
1696 void LyXFunc::closeBuffer()
1697 {
1698         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1699                 if (bufferlist.empty()) {
1700                         // need this otherwise SEGV may occur while
1701                         // trying to set variables that don't exist
1702                         // since there's no current buffer
1703                         owner->getDialogs().hideBufferDependent();
1704                 } else {
1705                         view()->buffer(bufferlist.first());
1706                 }
1707         }
1708 }
1709
1710
1711 // Each "owner" should have it's own message method. lyxview and
1712 // the minibuffer would use the minibuffer, but lyxserver would
1713 // send an ERROR signal to its client.  Alejandro 970603
1714 // This function is bit problematic when it comes to NLS, to make the
1715 // lyx servers client be language indepenent we must not translate
1716 // strings sent to this func.
1717 void LyXFunc::setErrorMessage(string const & m) const
1718 {
1719         dispatch_buffer = m;
1720         errorstat = true;
1721 }
1722
1723
1724 void LyXFunc::setMessage(string const & m) const
1725 {
1726         dispatch_buffer = m;
1727 }
1728
1729
1730 void LyXFunc::setStatusMessage(string const & m) const
1731 {
1732         status_buffer = m;
1733 }
1734
1735
1736 string const LyXFunc::view_status_message()
1737 {
1738         // When meta-fake key is pressed, show the key sequence so far + "M-".
1739         if (wasMetaKey()) {
1740                 return keyseq.print() + "M-";
1741         }
1742
1743         // Else, when a non-complete key sequence is pressed,
1744         // show the available options.
1745         if (keyseq.length() > 0 && !keyseq.deleted()) {
1746                 return keyseq.printOptions();
1747         }
1748
1749         if (!view()->available())
1750                 return _("Welcome to LyX!");
1751
1752         return view()->cursor().currentState();
1753 }
1754
1755
1756 BufferView * LyXFunc::view() const
1757 {
1758         BOOST_ASSERT(owner);
1759         return owner->view().get();
1760 }
1761
1762
1763 bool LyXFunc::wasMetaKey() const
1764 {
1765         return (meta_fake_bit != key_modifier::none);
1766 }