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_WORDFINDFORWARD:
 845                 case LFUN_WORDFINDBACKWARD: {
 846                         static string last_search;
 847                         string searched_string;
 848
 849                         if (!argument.empty()) {
 850                                 last_search = argument;
 851                                 searched_string = argument;
 852                         } else
 853                                 searched_string = last_search;
 854
 855                         if (searched_string.empty())
 856                                 break;
 857
 858                         bool const fw = action == LFUN_WORDFINDFORWARD;
 859                         string const data =
 860                                 lyx::find::find2string(searched_string, true, false, fw);
 861                         view()->dispatch(FuncRequest(LFUN_WORD_FIND, data));
 862                         break;
 863                 }
 864
 865                 case LFUN_PREFIX:
 866                         owner->message(keyseq.printOptions());
 867                         break;
 868
 869                 case LFUN_EXEC_COMMAND:
 870                         owner->focus_command_buffer();
 871                         break;
 872
 873                 case LFUN_CANCEL:
 874                         keyseq.reset();
 875                         meta_fake_bit = key_modifier::none;
 876                         if (view()->available())
 877                                 // cancel any selection
 878                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 879                         setMessage(N_("Cancel"));
 880                         break;
 881
 882                 case LFUN_META_FAKE:
 883                         meta_fake_bit = key_modifier::alt;
 884                         setMessage(keyseq.print());
 885                         break;
 886
 887                 case LFUN_READ_ONLY_TOGGLE:
 888                         if (owner->buffer()->lyxvc().inUse())
 889                                 owner->buffer()->lyxvc().toggleReadOnly();
 890                         else
 891                                 owner->buffer()->setReadonly(
 892                                         !owner->buffer()->isReadonly());
 893                         break;
 894
 895                 // --- Menus -----------------------------------------------
 896                 case LFUN_MENUNEW:
 897                         menuNew(argument, false);
 898                         break;
 899
 900                 case LFUN_MENUNEWTMPLT:
 901                         menuNew(argument, true);
 902                         break;
 903
 904                 case LFUN_CLOSEBUFFER:
 905                         closeBuffer();
 906                         break;
 907
 908                 case LFUN_MENUWRITE:
 909                         if (!owner->buffer()->isUnnamed()) {
 910                                 string const str = bformat(_("Saving document %1$s..."),
 911                                          MakeDisplayPath(owner->buffer()->fileName()));
 912                                 owner->message(str);
 913                                 MenuWrite(owner->buffer());
 914                                 owner->message(str + _(" done."));
 915                         } else
 916                                 WriteAs(owner->buffer());
 917                         break;
 918
 919                 case LFUN_WRITEAS:
 920                         WriteAs(owner->buffer(), argument);
 921                         break;
 922
 923                 case LFUN_MENURELOAD: {
 924                         string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
 925                         string text = bformat(_("Any changes will be lost. Are you sure "
 926                                 "you want to revert to the saved version of the document %1$s?"), file);
 927                         int const ret = Alert::prompt(_("Revert to saved document?"),
 928                                 text, 0, 1, _("&Revert"), _("&Cancel"));
 929
 930                         if (ret == 0)
 931                                 view()->reload();
 932                         break;
 933                 }
 934
 935                 case LFUN_UPDATE:
 936                         Exporter::Export(owner->buffer(), argument, true);
 937                         view()->showErrorList(BufferFormat(*owner->buffer()));
 938                         break;
 939
 940                 case LFUN_PREVIEW:
 941                         Exporter::Preview(owner->buffer(), argument);
 942                         view()->showErrorList(BufferFormat(*owner->buffer()));
 943                         break;
 944
 945                 case LFUN_BUILDPROG:
 946                         Exporter::Export(owner->buffer(), "program", true);
 947                         view()->showErrorList(_("Build"));
 948                         break;
 949
 950                 case LFUN_RUNCHKTEX:
 951                         owner->buffer()->runChktex();
 952                         view()->showErrorList(_("ChkTeX"));
 953                         break;
 954
 955                 case LFUN_EXPORT:
 956                         if (argument == "custom")
 957                                 owner->getDialogs().showSendto();
 958                         else {
 959                                 Exporter::Export(owner->buffer(), argument, false);
 960                                 view()->showErrorList(BufferFormat(*owner->buffer()));
 961                         }
 962                         break;
 963
 964                 case LFUN_IMPORT:
 965                         doImport(argument);
 966                         break;
 967
 968                 case LFUN_QUIT:
 969                         QuitLyX();
 970                         break;
 971
 972                 case LFUN_TOCVIEW: {
 973                         InsetCommandParams p("tableofcontents");
 974                         string const data = InsetCommandMailer::params2string("toc", p);
 975                         owner->getDialogs().show("toc", data, 0);
 976                         break;
 977                 }
 978
 979                 case LFUN_AUTOSAVE:
 980                         AutoSave(view());
 981                         break;
 982
 983                 case LFUN_RECONFIGURE:
 984                         Reconfigure(view());
 985                         break;
 986
 987                 case LFUN_HELP_OPEN: {
 988                         string const arg = argument;
 989                         if (arg.empty()) {
 990                                 setErrorMessage(N_("Missing argument"));
 991                                 break;
 992                         }
 993                         string const fname = i18nLibFileSearch("doc", arg, "lyx");
 994                         if (fname.empty()) {
 995                                 lyxerr << "LyX: unable to find documentation file `"
 996                                                          << arg << "'. Bad installation?" << endl;
 997                                 break;
 998                         }
 999                         owner->message(bformat(_("Opening help file %1$s..."),
1000                                 MakeDisplayPath(fname)));
1001                         view()->loadLyXFile(fname, false);
1002                         break;
1003                 }
1004
1005                 // --- version control -------------------------------
1006                 case LFUN_VC_REGISTER:
1007                         if (!ensureBufferClean(view()))
1008                                 break;
1009                         if (!owner->buffer()->lyxvc().inUse()) {
1010                                 owner->buffer()->lyxvc().registrer();
1011                                 view()->reload();
1012                         }
1013                         break;
1014
1015                 case LFUN_VC_CHECKIN:
1016                         if (!ensureBufferClean(view()))
1017                                 break;
1018                         if (owner->buffer()->lyxvc().inUse()
1019                                         && !owner->buffer()->isReadonly()) {
1020                                 owner->buffer()->lyxvc().checkIn();
1021                                 view()->reload();
1022                         }
1023                         break;
1024
1025                 case LFUN_VC_CHECKOUT:
1026                         if (!ensureBufferClean(view()))
1027                                 break;
1028                         if (owner->buffer()->lyxvc().inUse()
1029                                         && owner->buffer()->isReadonly()) {
1030                                 owner->buffer()->lyxvc().checkOut();
1031                                 view()->reload();
1032                         }
1033                         break;
1034
1035                 case LFUN_VC_REVERT:
1036                         owner->buffer()->lyxvc().revert();
1037                         view()->reload();
1038                         break;
1039
1040                 case LFUN_VC_UNDO:
1041                         owner->buffer()->lyxvc().undoLast();
1042                         view()->reload();
1043                         break;
1044
1045                 // --- buffers ----------------------------------------
1046                 case LFUN_SWITCHBUFFER:
1047                         view()->buffer(bufferlist.getBuffer(argument));
1048                         break;
1049
1050                 case LFUN_FILE_NEW:
1051                         NewFile(view(), argument);
1052                         break;
1053
1054                 case LFUN_FILE_OPEN:
1055                         open(argument);
1056                         break;
1057
1058                 case LFUN_DROP_LAYOUTS_CHOICE:
1059                         owner->getToolbar().openLayoutList();
1060                         break;
1061
1062                 case LFUN_MENU_OPEN_BY_NAME:
1063                         owner->getMenubar().openByName(argument);
1064                         break;
1065
1066                 // --- lyxserver commands ----------------------------
1067                 case LFUN_GETNAME:
1068                         setMessage(owner->buffer()->fileName());
1069                         lyxerr[Debug::INFO] << "FNAME["
1070                                                          << owner->buffer()->fileName()
1071                                                          << "] " << endl;
1072                         break;
1073
1074                 case LFUN_NOTIFY:
1075                         dispatch_buffer = keyseq.print();
1076                         lyxserver->notifyClient(dispatch_buffer);
1077                         break;
1078
1079                 case LFUN_GOTOFILEROW: {
1080                         string file_name;
1081                         int row;
1082                         istringstream is(argument);
1083                         is >> file_name >> row;
1084                         if (prefixIs(file_name, getTmpDir())) {
1085                                 // Needed by inverse dvi search. If it is a file
1086                                 // in tmpdir, call the apropriated function
1087                                 view()->buffer(bufferlist.getBufferFromTmp(file_name));
1088                         } else {
1089                                 // Must replace extension of the file to be .lyx
1090                                 // and get full path
1091                                 string const s = ChangeExtension(file_name, ".lyx");
1092                                 // Either change buffer or load the file
1093                                 if (bufferlist.exists(s)) {
1094                                         view()->buffer(bufferlist.getBuffer(s));
1095                                 } else {
1096                                         view()->loadLyXFile(s);
1097                                 }
1098                         }
1099
1100                         view()->setCursorFromRow(row);
1101
1102                         view()->center();
1103                         // see BufferView_pimpl::center()
1104                         view()->updateScrollbar();
1105                         break;
1106                 }
1107
1108                 case LFUN_GOTO_PARAGRAPH: {
1109                         istringstream is(argument);
1110                         int id;
1111                         is >> id;
1112                         ParIterator par = owner->buffer()->getParFromID(id);
1113                         if (par == owner->buffer()->par_iterator_end()) {
1114                                 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1115                                                                 << id << ']' << endl;
1116                                 break;
1117                         } else {
1118                                 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1119                                                                 << " found." << endl;
1120                         }
1121
1122                         // Set the cursor
1123                         view()->setCursor(par, 0);
1124
1125                         view()->switchKeyMap();
1126                         owner->view_state_changed();
1127
1128                         view()->center();
1129                         // see BufferView_pimpl::center()
1130                         view()->updateScrollbar();
1131                         break;
1132                 }
1133
1134                 case LFUN_DIALOG_SHOW: {
1135                         string const name = cmd.getArg(0);
1136                         string data = trim(cmd.argument.substr(name.size()));
1137
1138                         if (name == "character") {
1139                                 data = freefont2string();
1140                                 if (!data.empty())
1141                                         owner->getDialogs().show("character", data);
1142                         }
1143                         else if (name == "document")
1144                                 owner->getDialogs().showDocument();
1145                         else if (name == "forks")
1146                                 owner->getDialogs().showForks();
1147                         else if (name == "preamble")
1148                                 owner->getDialogs().showPreamble();
1149                         else if (name == "preferences")
1150                                 owner->getDialogs().showPreferences();
1151                         else if (name == "print")
1152                                 owner->getDialogs().showPrint();
1153                         else if (name == "spellchecker")
1154                                 owner->getDialogs().showSpellchecker();
1155
1156                         else if (name == "latexlog") {
1157                                 pair<Buffer::LogType, string> const logfile =
1158                                         owner->buffer()->getLogName();
1159                                 switch (logfile.first) {
1160                                 case Buffer::latexlog:
1161                                         data = "latex ";
1162                                         break;
1163                                 case Buffer::buildlog:
1164                                         data = "literate ";
1165                                         break;
1166                                 }
1167                                 data += logfile.second;
1168                                 owner->getDialogs().show("log", data);
1169                         }
1170                         else if (name == "vclog") {
1171                                 string const data = "vc " +
1172                                         owner->buffer()->lyxvc().getLogFile();
1173                                 owner->getDialogs().show("log", data);
1174                         }
1175                         else
1176                                 owner->getDialogs().show(name, data);
1177                         break;
1178                 }
1179
1180                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1181                         string const name = cmd.getArg(0);
1182                         string data = trim(cmd.argument.substr(name.size()));
1183                         if (name == "bibitem" ||
1184                             name == "bibtex" ||
1185                             name == "include" ||
1186                             name == "index" ||
1187                             name == "label" ||
1188                             name == "ref" ||
1189                             name == "toc" ||
1190                             name == "url") {
1191                                 InsetCommandParams p(name);
1192                                 data = InsetCommandMailer::params2string(name, p);
1193                         } else if (name == "box") {
1194                                 // \c data == "Boxed" || "Frameless" etc
1195                                 InsetBoxParams p(data);
1196                                 data = InsetBoxMailer::params2string(p);
1197                         } else if (name == "branch") {
1198                                 InsetBranchParams p;
1199                                 data = InsetBranchMailer::params2string(p);
1200                         } else if (name == "citation") {
1201                                 InsetCommandParams p("cite");
1202                                 data = InsetCommandMailer::params2string(name, p);
1203                         } else if (name == "ert") {
1204                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1205                         } else if (name == "external") {
1206                                 InsetExternalParams p;
1207                                 Buffer const & buffer = *owner->buffer();
1208                                 data = InsetExternalMailer::params2string(p, buffer);
1209                         } else if (name == "float") {
1210                                 InsetFloatParams p;
1211                                 data = InsetFloatMailer::params2string(p);
1212                         } else if (name == "graphics") {
1213                                 InsetGraphicsParams p;
1214                                 Buffer const & buffer = *owner->buffer();
1215                                 data = InsetGraphicsMailer::params2string(p, buffer);
1216                         } else if (name == "note") {
1217                                 InsetNoteParams p;
1218                                 data = InsetNoteMailer::params2string(p);
1219                         } else if (name == "vspace") {
1220                                 VSpace space;
1221                                 data = InsetVSpaceMailer::params2string(space);
1222                         } else if (name == "wrap") {
1223                                 InsetWrapParams p;
1224                                 data = InsetWrapMailer::params2string(p);
1225                         }
1226                         owner->getDialogs().show(name, data, 0);
1227                         break;
1228                 }
1229
1230                 case LFUN_DIALOG_SHOW_NEXT_INSET:
1231                         break;
1232
1233                 case LFUN_INSET_DIALOG_SHOW: {
1234                         InsetBase * inset = view()->cursor().nextInset();
1235                         if (inset)
1236                                 inset->dispatch(view()->cursor(), FuncRequest(LFUN_INSET_DIALOG_SHOW));
1237                         break;
1238                 }
1239
1240                 case LFUN_DIALOG_UPDATE: {
1241                         string const & name = argument;
1242                         // Can only update a dialog connected to an existing inset
1243                         InsetBase * inset = owner->getDialogs().getOpenInset(name);
1244                         if (inset) {
1245                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument);
1246                                 inset->dispatch(view()->cursor(), fr);
1247                         } else if (name == "paragraph") {
1248                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1249                         }
1250                         break;
1251                 }
1252
1253                 case LFUN_DIALOG_HIDE:
1254                         Dialogs::hide(argument, 0);
1255                         break;
1256
1257                 case LFUN_DIALOG_DISCONNECT_INSET:
1258                         owner->getDialogs().disconnect(argument);
1259                         break;
1260
1261                 case LFUN_CHILDOPEN: {
1262                         string const filename =
1263                                 MakeAbsPath(argument, owner->buffer()->filePath());
1264                         setMessage(N_("Opening child document ") +
1265                                          MakeDisplayPath(filename) + "...");
1266                         view()->savePosition(0);
1267                         string const parentfilename = owner->buffer()->fileName();
1268                         if (bufferlist.exists(filename))
1269                                 view()->buffer(bufferlist.getBuffer(filename));
1270                         else
1271                                 view()->loadLyXFile(filename);
1272                         // Set the parent name of the child document.
1273                         // This makes insertion of citations and references in the child work,
1274                         // when the target is in the parent or another child document.
1275                         owner->buffer()->setParentName(parentfilename);
1276                         break;
1277                 }
1278
1279                 case LFUN_TOGGLECURSORFOLLOW:
1280                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1281                         break;
1282
1283                 case LFUN_KMAP_OFF:
1284                         owner->getIntl().KeyMapOn(false);
1285                         break;
1286
1287                 case LFUN_KMAP_PRIM:
1288                         owner->getIntl().KeyMapPrim();
1289                         break;
1290
1291                 case LFUN_KMAP_SEC:
1292                         owner->getIntl().KeyMapSec();
1293                         break;
1294
1295                 case LFUN_KMAP_TOGGLE:
1296                         owner->getIntl().ToggleKeyMap();
1297                         break;
1298
1299                 case LFUN_REPEAT: {
1300                         // repeat command
1301                         string countstr;
1302                         argument = split(argument, countstr, ' ');
1303                         istringstream is(countstr);
1304                         int count = 0;
1305                         is >> count;
1306                         lyxerr << "repeat: count: " << count << " cmd: " << argument << endl;
1307                         for (int i = 0; i < count; ++i)
1308                                 dispatch(lyxaction.lookupFunc(argument));
1309                         break;
1310                 }
1311
1312                 case LFUN_SEQUENCE:
1313                         // argument contains ';'-terminated commands
1314                         while (!argument.empty()) {
1315                                 string first;
1316                                 argument = split(argument, first, ';');
1317                                 dispatch(lyxaction.lookupFunc(first));
1318                         }
1319                         break;
1320
1321                 case LFUN_SAVEPREFERENCES: {
1322                         Path p(user_lyxdir());
1323                         lyxrc.write("preferences");
1324                         break;
1325                 }
1326
1327                 case LFUN_SCREEN_FONT_UPDATE:
1328                         // handle the screen font changes.
1329                         lyxrc.set_font_norm_type();
1330                         lyx_gui::update_fonts();
1331                         // All visible buffers will need resize
1332                         view()->resize();
1333                         break;
1334
1335                 case LFUN_SET_COLOR: {
1336                         string lyx_name;
1337                         string const x11_name = split(argument, lyx_name, ' ');
1338                         if (lyx_name.empty() || x11_name.empty()) {
1339                                 setErrorMessage(N_("Syntax: set-color <lyx_name>"
1340                                                         " <x11_name>"));
1341                                 break;
1342                         }
1343
1344                         bool const graphicsbg_changed =
1345                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1346                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1347
1348                         LColor::color col = lcolor.getFromLyXName(lyx_name);
1349                         if (!lcolor.setColor(col, x11_name)) {
1350                                 setErrorMessage(
1351                                         bformat(_("Set-color \"%1$s\" failed "
1352                                                                 "- color is undefined or "
1353                                                                 "may not be redefined"), lyx_name));
1354                                 break;
1355                         }
1356
1357                         lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1358
1359                         if (graphicsbg_changed) {
1360 #ifdef WITH_WARNINGS
1361 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1362 #endif
1363 #if 0
1364                                 lyx::graphics::GCache::get().changeDisplay(true);
1365 #endif
1366                         }
1367                         break;
1368                 }
1369
1370                 case LFUN_MESSAGE:
1371                         owner->message(argument);
1372                         break;
1373
1374                 case LFUN_FORKS_KILL:
1375                         if (isStrInt(argument))
1376                                 ForkedcallsController::get().kill(strToInt(argument));
1377                         break;
1378
1379                 case LFUN_TOOLTIPS_TOGGLE:
1380                         owner->getDialogs().toggleTooltips();
1381                         break;
1382
1383                 case LFUN_EXTERNAL_EDIT:
1384                         InsetExternal().dispatch(view()->cursor(), FuncRequest(action, argument));
1385                         break;
1386
1387                 default:
1388                         DispatchResult res = view()->cursor().dispatch(cmd);
1389                         if (!res.dispatched());
1390                                 view()->dispatch(cmd);
1391                         break;
1392                 }
1393         }
1394
1395         if (view()->cursor().inTexted())
1396                 view()->owner()->updateLayoutChoice();
1397
1398         if (view()->available()) {
1399                 view()->fitCursor();
1400                 view()->update();
1401                 view()->cursor().updatePos();
1402                 // if we executed a mutating lfun, mark the buffer as dirty
1403                 if (!getStatus(cmd).disabled()
1404                     && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)
1405                     && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly))
1406                         view()->buffer()->markDirty();
1407         }
1408
1409         if (view()->cursor().inTexted())
1410                 sendDispatchMessage(getMessage(), cmd, verbose);
1411 }
1412
1413
1414 void LyXFunc::sendDispatchMessage(string const & msg,
1415                                   FuncRequest const & cmd, bool verbose)
1416 {
1417         owner->updateMenubar();
1418         owner->updateToolbar();
1419
1420         if (cmd.action == LFUN_SELFINSERT || !verbose) {
1421                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1422                 if (!msg.empty())
1423                         owner->message(msg);
1424                 return;
1425         }
1426
1427         string dispatch_msg = msg;
1428         if (!dispatch_msg.empty())
1429                 dispatch_msg += ' ';
1430
1431         string comname = lyxaction.getActionName(cmd.action);
1432
1433         bool argsadded = false;
1434
1435         if (!cmd.argument.empty()) {
1436                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1437                         comname += ' ' + cmd.argument;
1438                         argsadded = true;
1439                 }
1440         }
1441
1442         string const shortcuts = toplevel_keymap->findbinding(cmd);
1443
1444         if (!shortcuts.empty()) {
1445                 comname += ": " + shortcuts;
1446         } else if (!argsadded && !cmd.argument.empty()) {
1447                 comname += ' ' + cmd.argument;
1448         }
1449
1450         if (!comname.empty()) {
1451                 comname = rtrim(comname);
1452                 dispatch_msg += '(' + comname + ')';
1453         }
1454
1455         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1456         if (!dispatch_msg.empty())
1457                 owner->message(dispatch_msg);
1458 }
1459
1460
1461 void LyXFunc::setupLocalKeymap()
1462 {
1463         keyseq.stdmap = toplevel_keymap.get();
1464         keyseq.curmap = toplevel_keymap.get();
1465         cancel_meta_seq.stdmap = toplevel_keymap.get();
1466         cancel_meta_seq.curmap = toplevel_keymap.get();
1467 }
1468
1469
1470 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1471 {
1472         string initpath = lyxrc.document_path;
1473         string filename(name);
1474
1475         if (view()->available()) {
1476                 string const trypath = owner->buffer()->filePath();
1477                 // If directory is writeable, use this as default.
1478                 if (IsDirWriteable(trypath))
1479                         initpath = trypath;
1480         }
1481
1482         static int newfile_number;
1483
1484         if (filename.empty()) {
1485                 filename = AddName(lyxrc.document_path,
1486                             "newfile" + tostr(++newfile_number) + ".lyx");
1487                 FileInfo fi(filename);
1488                 while (bufferlist.exists(filename) || fi.readable()) {
1489                         ++newfile_number;
1490                         filename = AddName(lyxrc.document_path,
1491                                     "newfile" + tostr(newfile_number) +
1492                                     ".lyx");
1493                         fi.newFile(filename);
1494                 }
1495         }
1496
1497         // The template stuff
1498         string templname;
1499         if (fromTemplate) {
1500                 FileDialog fileDlg(_("Select template file"),
1501                         LFUN_SELECT_FILE_SYNC,
1502                         make_pair(string(_("Documents|#o#O")),
1503                                   string(lyxrc.document_path)),
1504                         make_pair(string(_("Templates|#T#t")),
1505                                   string(lyxrc.template_path)));
1506
1507                 FileDialog::Result result =
1508                         fileDlg.open(lyxrc.template_path,
1509                                      FileFilterList(_("LyX Documents (*.lyx)")),
1510                                      string());
1511
1512                 if (result.first == FileDialog::Later)
1513                         return;
1514                 if (result.second.empty())
1515                         return;
1516                 templname = result.second;
1517         }
1518
1519         view()->newFile(filename, templname, !name.empty());
1520 }
1521
1522
1523 void LyXFunc::open(string const & fname)
1524 {
1525         string initpath = lyxrc.document_path;
1526
1527         if (view()->available()) {
1528                 string const trypath = owner->buffer()->filePath();
1529                 // If directory is writeable, use this as default.
1530                 if (IsDirWriteable(trypath))
1531                         initpath = trypath;
1532         }
1533
1534         string filename;
1535
1536         if (fname.empty()) {
1537                 FileDialog fileDlg(_("Select document to open"),
1538                         LFUN_FILE_OPEN,
1539                         make_pair(string(_("Documents|#o#O")),
1540                                   string(lyxrc.document_path)),
1541                         make_pair(string(_("Examples|#E#e")),
1542                                   string(AddPath(system_lyxdir(), "examples"))));
1543
1544                 FileDialog::Result result =
1545                         fileDlg.open(initpath,
1546                                      FileFilterList(_("LyX Documents (*.lyx)")),
1547                                      string());
1548
1549                 if (result.first == FileDialog::Later)
1550                         return;
1551
1552                 filename = result.second;
1553
1554                 // check selected filename
1555                 if (filename.empty()) {
1556                         owner->message(_("Canceled."));
1557                         return;
1558                 }
1559         } else
1560                 filename = fname;
1561
1562         // get absolute path of file and add ".lyx" to the filename if
1563         // necessary
1564         string const fullpath = FileSearch(string(), filename, "lyx");
1565         if (!fullpath.empty()) {
1566                 filename = fullpath;
1567         }
1568
1569         string const disp_fn(MakeDisplayPath(filename));
1570
1571         // if the file doesn't exist, let the user create one
1572         FileInfo const f(filename, true);
1573         if (!f.exist()) {
1574                 // the user specifically chose this name. Believe them.
1575                 view()->newFile(filename, "", true);
1576                 return;
1577         }
1578
1579         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1580
1581         string str2;
1582         if (view()->loadLyXFile(filename)) {
1583                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1584         } else {
1585                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1586         }
1587         owner->message(str2);
1588 }
1589
1590
1591 void LyXFunc::doImport(string const & argument)
1592 {
1593         string format;
1594         string filename = split(argument, format, ' ');
1595
1596         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1597                             << " file: " << filename << endl;
1598
1599         // need user interaction
1600         if (filename.empty()) {
1601                 string initpath = lyxrc.document_path;
1602
1603                 if (view()->available()) {
1604                         string const trypath = owner->buffer()->filePath();
1605                         // If directory is writeable, use this as default.
1606                         if (IsDirWriteable(trypath))
1607                                 initpath = trypath;
1608                 }
1609
1610                 string const text = bformat(_("Select %1$s file to import"),
1611                         formats.prettyName(format));
1612
1613                 FileDialog fileDlg(text,
1614                         LFUN_IMPORT,
1615                         make_pair(string(_("Documents|#o#O")),
1616                                   string(lyxrc.document_path)),
1617                         make_pair(string(_("Examples|#E#e")),
1618                                   string(AddPath(system_lyxdir(), "examples"))));
1619
1620                 string const filter = formats.prettyName(format)
1621                         + " (*." + formats.extension(format) + ')';
1622
1623                 FileDialog::Result result =
1624                         fileDlg.open(initpath,
1625                                      FileFilterList(filter),
1626                                      string());
1627
1628                 if (result.first == FileDialog::Later)
1629                         return;
1630
1631                 filename = result.second;
1632
1633                 // check selected filename
1634                 if (filename.empty())
1635                         owner->message(_("Canceled."));
1636         }
1637
1638         if (filename.empty())
1639                 return;
1640
1641         // get absolute path of file
1642         filename = MakeAbsPath(filename);
1643
1644         string const lyxfile = ChangeExtension(filename, ".lyx");
1645
1646         // Check if the document already is open
1647         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1648                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1649                         owner->message(_("Canceled."));
1650                         return;
1651                 }
1652         }
1653
1654         // if the file exists already, and we didn't do
1655         // -i lyx thefile.lyx, warn
1656         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1657                 string const file = MakeDisplayPath(lyxfile, 30);
1658
1659                 string text = bformat(_("The document %1$s already exists.\n\n"
1660                         "Do you want to over-write that document?"), file);
1661                 int const ret = Alert::prompt(_("Over-write document?"),
1662                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1663
1664                 if (ret == 1) {
1665                         owner->message(_("Canceled."));
1666                         return;
1667                 }
1668         }
1669
1670         Importer::Import(owner, filename, format);
1671 }
1672
1673
1674 void LyXFunc::closeBuffer()
1675 {
1676         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1677                 if (bufferlist.empty()) {
1678                         // need this otherwise SEGV may occur while
1679                         // trying to set variables that don't exist
1680                         // since there's no current buffer
1681                         owner->getDialogs().hideBufferDependent();
1682                 } else {
1683                         view()->buffer(bufferlist.first());
1684                 }
1685         }
1686 }
1687
1688
1689 // Each "owner" should have it's own message method. lyxview and
1690 // the minibuffer would use the minibuffer, but lyxserver would
1691 // send an ERROR signal to its client.  Alejandro 970603
1692 // This function is bit problematic when it comes to NLS, to make the
1693 // lyx servers client be language indepenent we must not translate
1694 // strings sent to this func.
1695 void LyXFunc::setErrorMessage(string const & m) const
1696 {
1697         dispatch_buffer = m;
1698         errorstat = true;
1699 }
1700
1701
1702 void LyXFunc::setMessage(string const & m) const
1703 {
1704         dispatch_buffer = m;
1705 }
1706
1707
1708 void LyXFunc::setStatusMessage(string const & m) const
1709 {
1710         status_buffer = m;
1711 }
1712
1713
1714 string const LyXFunc::viewStatusMessage()
1715 {
1716         // When meta-fake key is pressed, show the key sequence so far + "M-".
1717         if (wasMetaKey())
1718                 return keyseq.print() + "M-";
1719
1720         // Else, when a non-complete key sequence is pressed,
1721         // show the available options.
1722         if (keyseq.length() > 0 && !keyseq.deleted())
1723                 return keyseq.printOptions();
1724
1725         if (!view()->available())
1726                 return _("Welcome to LyX!");
1727
1728         return view()->cursor().currentState();
1729 }
1730
1731
1732 BufferView * LyXFunc::view() const
1733 {
1734         BOOST_ASSERT(owner);
1735         return owner->view().get();
1736 }
1737
1738
1739 bool LyXFunc::wasMetaKey() const
1740 {
1741         return (meta_fake_bit != key_modifier::none);
1742 }