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 #include "kbmap.h"
  24 #include "bufferlist.h"
  25 #include "buffer.h"
  26 #include "buffer_funcs.h"
  27 #include "BufferView.h"
  28 #include "funcrequest.h"
  29 #include "iterators.h"
  30 #include "lyxserver.h"
  31 #include "intl.h"
  32 #include "lyx_cb.h"
  33 #include "LyXAction.h"
  34 #include "debug.h"
  35 #include "gettext.h"
  36 #include "support/std_sstream.h"
  37 #include "encoding.h"
  38 #include "frontends/LyXView.h"
  39 #include "frontends/lyx_gui.h"
  40 #include "format.h"
  41 #include "exporter.h"
  42 #include "importer.h"
  43 #include "TextCache.h"
  44 #include "lyxfind.h"
  45 #include "undo_funcs.h"
  46 #include "ParagraphParameters.h"
  47
  48 #include "insets/insetcommand.h"
  49 #include "insets/insetexternal.h"
  50 #include "insets/insettabular.h"
  51
  52 #include "mathed/math_cursor.h"
  53
  54 #include "frontends/FileDialog.h"
  55 #include "frontends/Dialogs.h"
  56 #include "frontends/Toolbar.h"
  57 #include "frontends/Menubar.h"
  58 #include "frontends/Alert.h"
  59
  60
  61 #include "support/LAssert.h"
  62 #include "support/filetools.h"
  63 #include "support/FileInfo.h"
  64 #include "support/forkedcontr.h"
  65 #include "support/tostr.h"
  66 #include "support/path.h"
  67 #include "support/path_defines.h"
  68
  69
  70
  71 using namespace lyx::support;
  72
  73 using std::pair;
  74 using std::make_pair;
  75 using std::endl;
  76 using std::find_if;
  77 using std::istringstream;
  78 using std::vector;
  79 using std::transform;
  80 using std::back_inserter;
  81 using namespace bv_funcs;
  82
  83 extern BufferList bufferlist;
  84 extern LyXServer * lyxserver;
  85 extern bool selection_possible;
  86
  87 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
  88
  89 // (alkis)
  90 extern tex_accent_struct get_accent(kb_action action);
  91
  92 extern void ShowLatexLog();
  93
  94
  95 LyXFunc::LyXFunc(LyXView * o)
  96         : owner(o),
  97         encoded_last_key(0),
  98         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
  99         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 100         meta_fake_bit(key_modifier::none)
 101 {
 102 }
 103
 104
 105 void LyXFunc::moveCursorUpdate()
 106 {
 107         LyXText * lt = view()->text;
 108         if (lt->selection.mark())
 109                 lt->setSelection();
 110         view()->update();
 111         view()->switchKeyMap();
 112 }
 113
 114
 115 void LyXFunc::handleKeyFunc(kb_action action)
 116 {
 117         char c = encoded_last_key;
 118
 119         if (keyseq.length()) {
 120                 c = 0;
 121         }
 122
 123         owner->getIntl().getTransManager()
 124                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 125         // Need to clear, in case the minibuffer calls these
 126         // actions
 127         keyseq.clear();
 128         // copied verbatim from do_accent_char
 129         view()->update();
 130         view()->getLyXText()->selection.cursor = view()->getLyXText()->cursor;
 131 }
 132
 133
 134 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 135                             key_modifier::state state)
 136 {
 137         string argument;
 138
 139         if (lyxerr.debugging(Debug::KEY)) {
 140                 lyxerr << "KeySym is "
 141                        << keysym->getSymbolName()
 142                        << endl;
 143         }
 144
 145         // Do nothing if we have nothing (JMarc)
 146         if (!keysym->isOK()) {
 147                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 148                                    << endl;
 149                 return;
 150         }
 151
 152         if (keysym->isModifier()) {
 153                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 154                 return;
 155         }
 156
 157         Encoding const * encoding = view()->getEncoding();
 158
 159         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 160
 161         // Do a one-deep top-level lookup for
 162         // cancel and meta-fake keys. RVDK_PATCH_5
 163         cancel_meta_seq.reset();
 164
 165         int action = cancel_meta_seq.addkey(keysym, state);
 166         lyxerr[Debug::KEY] << "action first set to [" << action << ']' << endl;
 167
 168         // When not cancel or meta-fake, do the normal lookup.
 169         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 170         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 171         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 172                 // remove Caps Lock and Mod2 as a modifiers
 173                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 174                 lyxerr[Debug::KEY] << "action now set to ["
 175                         << action << ']' << endl;
 176         }
 177
 178         // Dont remove this unless you know what you are doing.
 179         meta_fake_bit = key_modifier::none;
 180
 181         // can this happen now ?
 182         if (action == LFUN_NOACTION) {
 183                 action = LFUN_PREFIX;
 184         }
 185
 186         if (lyxerr.debugging(Debug::KEY)) {
 187                 lyxerr << "Key [action="
 188                        << action << "]["
 189                        << keyseq.print() << ']'
 190                        << endl;
 191         }
 192
 193         // already here we know if it any point in going further
 194         // why not return already here if action == -1 and
 195         // num_bytes == 0? (Lgb)
 196
 197         if (keyseq.length() > 1) {
 198                 owner->message(keyseq.print());
 199         }
 200
 201
 202         // Maybe user can only reach the key via holding down shift.
 203         // Let's see. But only if shift is the only modifier
 204         if (action == LFUN_UNKNOWN_ACTION && state == key_modifier::shift) {
 205                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 206                 action = keyseq.addkey(keysym, key_modifier::none);
 207                 lyxerr[Debug::KEY] << "Action now " << action << endl;
 208         }
 209
 210         if (action == LFUN_UNKNOWN_ACTION) {
 211                 // Hmm, we didn't match any of the keysequences. See
 212                 // if it's normal insertable text not already covered
 213                 // by a binding
 214                 if (keysym->isText() && keyseq.length() == 1) {
 215                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 216                         action = LFUN_SELFINSERT;
 217                 } else {
 218                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 219                         owner->message(_("Unknown function."));
 220                         return;
 221                 }
 222         }
 223
 224         if (action == LFUN_SELFINSERT) {
 225                 if (encoded_last_key != 0) {
 226                         string arg;
 227                         arg += encoded_last_key;
 228
 229                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 230
 231                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 232                                    << argument << "']" << endl;
 233                 }
 234         } else {
 235                 dispatch(action);
 236         }
 237 }
 238
 239
 240 FuncStatus LyXFunc::getStatus(int ac) const
 241 {
 242         return getStatus(lyxaction.retrieveActionArg(ac));
 243 }
 244
 245
 246 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 247 {
 248         FuncStatus flag;
 249         Buffer * buf = owner->buffer();
 250
 251         if (ev.action == LFUN_NOACTION) {
 252                 setStatusMessage(N_("Nothing to do"));
 253                 return flag.disabled(true);
 254         }
 255
 256         switch (ev.action) {
 257         case LFUN_UNKNOWN_ACTION:
 258 #ifndef HAVE_LIBAIKSAURUS
 259         case LFUN_THESAURUS_ENTRY:
 260 #endif
 261                 flag.unknown(true);
 262                 break;
 263         default:
 264                 flag |= lyx_gui::getStatus(ev);
 265         }
 266
 267         if (flag.unknown()) {
 268                 setStatusMessage(N_("Unknown action"));
 269                 return flag;
 270         }
 271
 272         // the default error message if we disable the command
 273         setStatusMessage(N_("Command disabled"));
 274
 275         // Check whether we need a buffer
 276         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 277                 // Yes we need a buffer, do we have one?
 278                 if (buf) {
 279                         // yes
 280                         // Can we use a readonly buffer?
 281                         if (buf->isReadonly() &&
 282                             !lyxaction.funcHasFlag(ev.action,
 283                                                    LyXAction::ReadOnly)) {
 284                                 // no
 285                                 setStatusMessage(N_("Document is read-only"));
 286                                 flag.disabled(true);
 287                         }
 288                 } else {
 289                         // no
 290                         setStatusMessage(N_("Command not allowed with"
 291                                            "out any document open"));
 292                         return flag.disabled(true);
 293                 }
 294         }
 295
 296         UpdatableInset * tli = view()->theLockingInset();
 297
 298         // I would really like to avoid having this switch and rather try to
 299         // encode this in the function itself.
 300         bool disable = false;
 301         switch (ev.action) {
 302         case LFUN_EXPORT:
 303                 disable = ev.argument != "custom"
 304                         && !Exporter::IsExportable(*buf, ev.argument);
 305                 break;
 306         case LFUN_UNDO:
 307                 disable = buf->undostack.empty();
 308                 break;
 309         case LFUN_REDO:
 310                 disable = buf->redostack.empty();
 311                 break;
 312         case LFUN_CUT:
 313         case LFUN_COPY:
 314                 if (tli) {
 315                         UpdatableInset * in = tli;
 316                         if (in->lyxCode() != InsetOld::TABULAR_CODE) {
 317                                 in = tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE);
 318                         }
 319                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 320                                 disable = false;
 321                                 break;
 322                         }
 323                 }
 324                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 325                 break;
 326         case LFUN_RUNCHKTEX:
 327                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 328                 break;
 329         case LFUN_BUILDPROG:
 330                 disable = !Exporter::IsExportable(*buf, "program");
 331                 break;
 332
 333         case LFUN_LAYOUT_TABULAR:
 334                 disable = !tli
 335                         || (tli->lyxCode() != InsetOld::TABULAR_CODE
 336                             && !tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
 337                 break;
 338
 339         case LFUN_DEPTH_MIN:
 340                 disable = !changeDepth(view(), view()->getLyXText(), DEC_DEPTH, true);
 341                 break;
 342
 343         case LFUN_DEPTH_PLUS:
 344                 disable = !changeDepth(view(), view()->getLyXText(), INC_DEPTH, true);
 345                 break;
 346
 347         case LFUN_LAYOUT:
 348         case LFUN_LAYOUT_PARAGRAPH: {
 349                 InsetOld * inset = view()->getLyXText()->cursor.par()->inInset();
 350                 disable = inset && inset->forceDefaultParagraphs(inset);
 351                 break;
 352         }
 353
 354         case LFUN_INSET_OPTARG:
 355                 disable = (view()->getLyXText()->cursor.par()->layout()->optionalargs == 0);
 356                 break;
 357
 358         case LFUN_TABULAR_FEATURE:
 359                 if (mathcursor) {
 360 #if 0
 361                         // FIXME: check temporarily disabled
 362                         // valign code
 363                         char align = mathcursor->valign();
 364                         if (align == '\0') {
 365                                 disable = true;
 366                                 break;
 367                         }
 368                         if (ev.argument.empty()) {
 369                                 flag.clear();
 370                                 break;
 371                         }
 372                         if (!contains("tcb", ev.argument[0])) {
 373                                 disable = true;
 374                                 break;
 375                         }
 376                         flag.setOnOff(ev.argument[0] == align);
 377                 } else
 378                         disable = true;
 379
 380                         char align = mathcursor->halign();
 381                         if (align == '\0') {
 382                                 disable = true;
 383                                 break;
 384                         }
 385                         if (ev.argument.empty()) {
 386                                 flag.clear();
 387                                 break;
 388                         }
 389                         if (!contains("lcr", ev.argument[0])) {
 390                                 disable = true;
 391                                 break;
 392                         }
 393                         flag.setOnOff(ev.argument[0] == align);
 394 #endif
 395
 396                         disable = !mathcursor->halign();
 397                         break;
 398                 }
 399
 400                 if (tli) {
 401                         FuncStatus ret;
 402                         //ret.disabled(true);
 403                         if (tli->lyxCode() == InsetOld::TABULAR_CODE) {
 404                                 ret = static_cast<InsetTabular *>(tli)
 405                                         ->getStatus(ev.argument);
 406                                 flag |= ret;
 407                                 disable = false;
 408                         } else if (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)) {
 409                                 ret = static_cast<InsetTabular *>
 410                                         (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE))
 411                                         ->getStatus(ev.argument);
 412                                 flag |= ret;
 413                                 disable = false;
 414                         } else {
 415                                 disable = true;
 416                         }
 417                 } else {
 418                         static InsetTabular inset(*owner->buffer(), 1, 1);
 419                         FuncStatus ret;
 420
 421                         disable = true;
 422                         ret = inset.getStatus(ev.argument);
 423                         if (ret.onoff(true) || ret.onoff(false))
 424                                 flag.setOnOff(false);
 425                 }
 426                 break;
 427
 428         case LFUN_VC_REGISTER:
 429                 disable = buf->lyxvc.inUse();
 430                 break;
 431         case LFUN_VC_CHECKIN:
 432                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 433                 break;
 434         case LFUN_VC_CHECKOUT:
 435                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 436                 break;
 437         case LFUN_VC_REVERT:
 438         case LFUN_VC_UNDO:
 439                 disable = !buf->lyxvc.inUse();
 440                 break;
 441         case LFUN_MENURELOAD:
 442                 disable = buf->isUnnamed() || buf->isClean();
 443                 break;
 444         case LFUN_BOOKMARK_GOTO:
 445                 disable =  !view()->
 446                         isSavedPosition(strToUnsignedInt(ev.argument));
 447                 break;
 448         case LFUN_MERGE_CHANGES:
 449         case LFUN_ACCEPT_CHANGE:
 450         case LFUN_REJECT_CHANGE:
 451         case LFUN_ACCEPT_ALL_CHANGES:
 452         case LFUN_REJECT_ALL_CHANGES:
 453                 disable = !buf->params.tracking_changes;
 454                 break;
 455         case LFUN_INSET_TOGGLE: {
 456                 LyXText * lt = view()->getLyXText();
 457                 disable = !(isEditableInset(lt->getInset())
 458                             || (lt->inset_owner
 459                                 && lt->inset_owner->owner()
 460                                 && lt->inset_owner->owner()->isOpen()));
 461                 break;
 462         }
 463
 464         case LFUN_INSET_SETTINGS: {
 465                 disable = true;
 466                 UpdatableInset * inset = view()->theLockingInset();
 467
 468                 if (!inset)
 469                         break;
 470
 471                 // get the innermost inset
 472                 inset = inset->getLockingInset();
 473
 474                 // jump back to owner if an InsetText, so
 475                 // we get back to the InsetTabular or whatever
 476                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 477                         inset = inset->owner();
 478
 479                 InsetOld::Code code = inset->lyxCode();
 480                 switch (code) {
 481                         case InsetOld::TABULAR_CODE:
 482                                 disable = ev.argument != "tabular";
 483                                 break;
 484                         case InsetOld::ERT_CODE:
 485                                 disable = ev.argument != "ert";
 486                                 break;
 487                         case InsetOld::FLOAT_CODE:
 488                                 disable = ev.argument != "float";
 489                                 break;
 490                         case InsetOld::MINIPAGE_CODE:
 491                                 disable = ev.argument != "minipage";
 492                                 break;
 493                         case InsetOld::WRAP_CODE:
 494                                 disable = ev.argument != "wrap";
 495                                 break;
 496                         case InsetOld::NOTE_CODE:
 497                                 disable = ev.argument != "note";
 498                                 break;
 499                         case InsetOld::BRANCH_CODE:
 500                                 disable = ev.argument != "branch";
 501                                 break;
 502                         default:
 503                                 break;
 504                 }
 505                 break;
 506         }
 507
 508         case LFUN_MATH_MUTATE:
 509                 if (mathcursor)
 510                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 511                         flag.setOnOff(false);
 512                 else
 513                         disable = true;
 514                 break;
 515
 516         // we just need to be in math mode to enable that
 517         case LFUN_MATH_SIZE:
 518         case LFUN_MATH_SPACE:
 519         case LFUN_MATH_LIMITS:
 520         case LFUN_MATH_NONUMBER:
 521         case LFUN_MATH_NUMBER:
 522         case LFUN_MATH_EXTERN:
 523                 disable = !mathcursor;
 524                 break;
 525
 526         case LFUN_DIALOG_SHOW: {
 527                 string const name = ev.getArg(0);
 528                 if (!buf) {
 529                         disable = !(name == "aboutlyx" ||
 530                                     name == "file" ||
 531                                     name == "forks" ||
 532                                     name == "preferences" ||
 533                                     name == "texinfo");
 534                         break;
 535                 }
 536
 537                 if (name == "print") {
 538                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 539                                 lyxrc.print_command == "none";
 540                 } else if (name == "character") {
 541                         UpdatableInset * tli = view()->theLockingInset();
 542                         disable = tli && tli->lyxCode() == InsetOld::ERT_CODE;
 543                 } else if (name == "vclog") {
 544                         disable = !buf->lyxvc.inUse();
 545                 } else if (name == "latexlog") {
 546                         disable = !IsFileReadable(buf->getLogName().second);
 547                 }
 548                 break;
 549         }
 550
 551         default:
 552                 break;
 553         }
 554
 555         // the functions which insert insets
 556         InsetOld::Code code = InsetOld::NO_CODE;
 557         switch (ev.action) {
 558         case LFUN_DIALOG_SHOW_NEW_INSET:
 559                 if (ev.argument == "bibitem")
 560                         code = InsetOld::BIBITEM_CODE;
 561                 else if (ev.argument == "bibtex")
 562                         code = InsetOld::BIBTEX_CODE;
 563                 else if (ev.argument == "citation")
 564                         code = InsetOld::CITE_CODE;
 565                 else if (ev.argument == "ert")
 566                         code = InsetOld::ERT_CODE;
 567                 else if (ev.argument == "external")
 568                         code = InsetOld::EXTERNAL_CODE;
 569                 else if (ev.argument == "float")
 570                         code = InsetOld::FLOAT_CODE;
 571                 else if (ev.argument == "graphics")
 572                         code = InsetOld::GRAPHICS_CODE;
 573                 else if (ev.argument == "include")
 574                         code = InsetOld::INCLUDE_CODE;
 575                 else if (ev.argument == "index")
 576                         code = InsetOld::INDEX_CODE;
 577                 else if (ev.argument == "label")
 578                         code = InsetOld::LABEL_CODE;
 579                 else if (ev.argument == "minipage")
 580                         code = InsetOld::MINIPAGE_CODE;
 581                 else if (ev.argument == "ref")
 582                         code = InsetOld::REF_CODE;
 583                 else if (ev.argument == "toc")
 584                         code = InsetOld::TOC_CODE;
 585                 else if (ev.argument == "url")
 586                         code = InsetOld::URL_CODE;
 587                 else if (ev.argument == "wrap")
 588                         code = InsetOld::WRAP_CODE;
 589                 break;
 590
 591         case LFUN_INSET_ERT:
 592                 code = InsetOld::ERT_CODE;
 593                 break;
 594         case LFUN_INSET_FOOTNOTE:
 595                 code = InsetOld::FOOT_CODE;
 596                 break;
 597         case LFUN_TABULAR_INSERT:
 598                 code = InsetOld::TABULAR_CODE;
 599                 break;
 600         case LFUN_INSET_MARGINAL:
 601                 code = InsetOld::MARGIN_CODE;
 602                 break;
 603         case LFUN_INSET_MINIPAGE:
 604                 code = InsetOld::MINIPAGE_CODE;
 605                 break;
 606         case LFUN_INSET_FLOAT:
 607         case LFUN_INSET_WIDE_FLOAT:
 608                 code = InsetOld::FLOAT_CODE;
 609                 break;
 610         case LFUN_INSET_WRAP:
 611                 code = InsetOld::WRAP_CODE;
 612                 break;
 613         case LFUN_FLOAT_LIST:
 614                 code = InsetOld::FLOAT_LIST_CODE;
 615                 break;
 616 #if 0
 617         case LFUN_INSET_LIST:
 618                 code = InsetOld::LIST_CODE;
 619                 break;
 620         case LFUN_INSET_THEOREM:
 621                 code = InsetOld::THEOREM_CODE;
 622                 break;
 623 #endif
 624         case LFUN_INSET_CAPTION:
 625                 code = InsetOld::CAPTION_CODE;
 626                 break;
 627         case LFUN_INSERT_NOTE:
 628                 code = InsetOld::NOTE_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::MINIPAGE_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 (!mathcursor)
 672                         code = InsetOld::SPACE_CODE;
 673                 break;
 674         case LFUN_INSET_DIALOG_SHOW: {
 675                         LyXText * lt = view()->getLyXText();
 676                         InsetOld * inset = lt->getInset();
 677                         disable = !inset;
 678                         if (!disable) {
 679                                 code = inset->lyxCode();
 680                                 if (!(code == InsetOld::INCLUDE_CODE
 681                                         || code == InsetOld::BIBTEX_CODE
 682                                         || code == InsetOld::FLOAT_LIST_CODE
 683                                         || code == InsetOld::TOC_CODE))
 684                                         disable = true;
 685                         }
 686                 }
 687                 break;
 688         default:
 689                 break;
 690         }
 691         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 692                 disable = true;
 693
 694         if (disable)
 695                 flag.disabled(true);
 696
 697         // A few general toggles
 698         switch (ev.action) {
 699         case LFUN_TOOLTIPS_TOGGLE:
 700                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 701                 break;
 702
 703         case LFUN_READ_ONLY_TOGGLE:
 704                 flag.setOnOff(buf->isReadonly());
 705                 break;
 706         case LFUN_APPENDIX:
 707                 flag.setOnOff(view()->getLyXText()->cursor.par()->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 (ev.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         // the font related toggles
 723         if (!mathcursor) {
 724                 LyXFont const & font = view()->getLyXText()->real_current_font;
 725                 switch (ev.action) {
 726                 case LFUN_EMPH:
 727                         flag.setOnOff(font.emph() == LyXFont::ON);
 728                         break;
 729                 case LFUN_NOUN:
 730                         flag.setOnOff(font.noun() == LyXFont::ON);
 731                         break;
 732                 case LFUN_BOLD:
 733                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 734                         break;
 735                 case LFUN_SANS:
 736                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 737                         break;
 738                 case LFUN_ROMAN:
 739                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 740                         break;
 741                 case LFUN_CODE:
 742                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 743                         break;
 744                 default:
 745                         break;
 746                 }
 747         } else {
 748                 string tc = mathcursor->getLastCode();
 749                 switch (ev.action) {
 750                 case LFUN_BOLD:
 751                         flag.setOnOff(tc == "mathbf");
 752                         break;
 753                 case LFUN_SANS:
 754                         flag.setOnOff(tc == "mathsf");
 755                         break;
 756                 case LFUN_EMPH:
 757                         flag.setOnOff(tc == "mathcal");
 758                         break;
 759                 case LFUN_ROMAN:
 760                         flag.setOnOff(tc == "mathrm");
 761                         break;
 762                 case LFUN_CODE:
 763                         flag.setOnOff(tc == "mathtt");
 764                         break;
 765                 case LFUN_NOUN:
 766                         flag.setOnOff(tc == "mathbb");
 767                         break;
 768                 case LFUN_DEFAULT:
 769                         flag.setOnOff(tc == "mathnormal");
 770                         break;
 771                 default:
 772                         break;
 773                 }
 774         }
 775
 776         // this one is difficult to get right. As a half-baked
 777         // solution, we consider only the first action of the sequence
 778         if (ev.action == LFUN_SEQUENCE) {
 779                 // argument contains ';'-terminated commands
 780                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 781         }
 782
 783         return flag;
 784 }
 785
 786
 787 void LyXFunc::dispatch(string const & s, bool verbose)
 788 {
 789         int const action = lyxaction.LookupFunc(s);
 790
 791         if (action == LFUN_UNKNOWN_ACTION) {
 792                 owner->message(bformat(_("Unknown function (%1$s)"), s));
 793                 return;
 794         }
 795
 796         dispatch(action, verbose);
 797 }
 798
 799
 800 void LyXFunc::dispatch(int ac, bool verbose)
 801 {
 802         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 803 }
 804
 805 namespace {
 806         bool ensureBufferClean(BufferView * bv) {
 807
 808                 Buffer & buf = *bv->buffer();
 809                 if (buf.isClean())
 810                         return true;
 811
 812                 string const file = MakeDisplayPath(buf.fileName(), 30);
 813                 string text = bformat(_("The document %1$s has unsaved "
 814                                         "changes.\n\nDo you want to save "
 815                                         "the document?"), file);
 816                 int const ret = Alert::prompt(_("Save changed document?"),
 817                                               text, 0, 1, _("&Save"),
 818                                               _("&Cancel"));
 819
 820                 if (ret == 0)
 821                         bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 822
 823                 return buf.isClean();
 824         }
 825
 826 } //namespace anon
 827
 828
 829 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 830 {
 831         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 832                               <<"] arg[" << ev.argument << ']' << endl;
 833
 834         // we have not done anything wrong yet.
 835         errorstat = false;
 836         dispatch_buffer.erase();
 837
 838 #ifdef NEW_DISPATCHER
 839         // We try do call the most specific dispatcher first:
 840         //  1. the lockinginset's dispatch
 841         //  2. the bufferview's dispatch
 842         //  3. the lyxview's dispatch
 843 #endif
 844
 845         selection_possible = false;
 846
 847         string argument = ev.argument;
 848         kb_action action = ev.action;
 849
 850         // We cannot use this function here
 851         if (getStatus(ev).disabled()) {
 852                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 853                        << lyxaction.getActionName(action)
 854                        << " [" << action << "] is disabled at this location"
 855                        << endl;
 856                 setErrorMessage(getStatusMessage());
 857                 goto exit_with_message;
 858         }
 859
 860         if (view()->available())
 861                 view()->hideCursor();
 862
 863         if (view()->available() && view()->theLockingInset()) {
 864                 InsetOld::RESULT result;
 865                 if (action > 1 || (action == LFUN_UNKNOWN_ACTION &&
 866                                      !keyseq.deleted()))
 867                 {
 868                         UpdatableInset * inset = view()->theLockingInset();
 869 #if 1
 870                         int inset_x;
 871                         int dummy_y;
 872                         inset->getCursorPos(view(), inset_x, dummy_y);
 873 #endif
 874                         if ((action == LFUN_UNKNOWN_ACTION)
 875                             && argument.empty()) {
 876                                 argument = encoded_last_key;
 877                         }
 878
 879                         // the insets can't try to handle this,
 880                         // a table cell in the dummy position will
 881                         // lock its insettext, the insettext will
 882                         // pass it the bufferview, and succeed,
 883                         // so it will stay not locked. Not good
 884                         // if we've just done LFUN_ESCAPE (which
 885                         // injects an LFUN_PARAGRAPH_UPDATE)
 886                         if (action == LFUN_PARAGRAPH_UPDATE) {
 887                                 view()->dispatch(ev);
 888                                 goto exit_with_message;
 889                         }
 890
 891                         // Undo/Redo is a bit tricky for insets.
 892                         if (action == LFUN_UNDO) {
 893                                 view()->undo();
 894                                 goto exit_with_message;
 895                         } else if (action == LFUN_REDO) {
 896                                 view()->redo();
 897                                 goto exit_with_message;
 898                         } else if (((result=inset->
 899                                      // Hand-over to inset's own dispatch:
 900                                      localDispatch(FuncRequest(view(), action, argument))) ==
 901                                     DISPATCHED) ||
 902                                    (result == DISPATCHED_NOUPDATE))
 903                                 goto exit_with_message;
 904                                         // If UNDISPATCHED, just soldier on
 905                         else if (result == FINISHED) {
 906                                 owner->clearMessage();
 907                                 goto exit_with_message;
 908                                 // We do not need special RTL handling here:
 909                                 // FINISHED means that the cursor should be
 910                                 // one position after the inset.
 911                         } else if (result == FINISHED_RIGHT) {
 912                                 view()->text->cursorRight(view());
 913                                 moveCursorUpdate();
 914                                 owner->clearMessage();
 915                                 goto exit_with_message;
 916                         } else if (result == FINISHED_UP) {
 917                                 RowList::iterator const irow = view()->text->cursorIRow();
 918                                 if (irow != view()->text->firstRow()) {
 919 #if 1
 920                                         view()->text->setCursorFromCoordinates(
 921                                                 view()->text->cursor.x() + inset_x,
 922                                                 view()->text->cursor.y() -
 923                                                 irow->baseline() - 1);
 924                                         view()->text->cursor.x_fix(view()->text->cursor.x());
 925 #else
 926                                         view()->text->cursorUp(view());
 927 #endif
 928                                         moveCursorUpdate();
 929                                 } else {
 930                                         view()->update();
 931                                 }
 932                                 owner->clearMessage();
 933                                 goto exit_with_message;
 934                         } else if (result == FINISHED_DOWN) {
 935                                 RowList::iterator const irow = view()->text->cursorIRow();
 936                                 if (irow != view()->text->lastRow()) {
 937 #if 1
 938                                         view()->text->setCursorFromCoordinates(
 939                                                 view()->text->cursor.x() + inset_x,
 940                                                 view()->text->cursor.y() -
 941                                                 irow->baseline() +
 942                                                 irow->height() + 1);
 943                                         view()->text->cursor.x_fix(view()->text->cursor.x());
 944 #else
 945                                         view()->text->cursorDown(view());
 946 #endif
 947                                 } else {
 948                                         view()->text->cursorRight(view());
 949                                 }
 950                                 moveCursorUpdate();
 951                                 owner->clearMessage();
 952                                 goto exit_with_message;
 953                         }
 954 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 955                         else { // result == UNDISPATCHED
 956                                 //setMessage(N_("Text mode"));
 957                                 switch (action) {
 958                                 case LFUN_UNKNOWN_ACTION:
 959                                 case LFUN_BREAKPARAGRAPH:
 960                                 case LFUN_BREAKLINE:
 961                                         view()->text->cursorRight(view());
 962                                         view()->switchKeyMap();
 963                                         owner->view_state_changed();
 964                                         break;
 965                                 case LFUN_RIGHT:
 966                                         if (!view()->text->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 967                                                 view()->text->cursorRight(view());
 968                                                 moveCursorUpdate();
 969                                                 owner->view_state_changed();
 970                                         }
 971                                         goto exit_with_message;
 972                                 case LFUN_LEFT:
 973                                         if (view()->text->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 974                                                 view()->text->cursorRight(view());
 975                                                 moveCursorUpdate();
 976                                                 owner->view_state_changed();
 977                                         }
 978                                         goto exit_with_message;
 979                                 case LFUN_DOWN:
 980                                         if (view()->text->cursorRow() != view()->text->lastRow())
 981                                                 view()->text->cursorDown(view());
 982                                         else
 983                                                 view()->text->cursorRight(view());
 984                                         moveCursorUpdate();
 985                                         owner->view_state_changed();
 986                                         goto exit_with_message;
 987                                 default:
 988                                         break;
 989                                 }
 990                         }
 991                 }
 992         }
 993
 994         switch (action) {
 995
 996         case LFUN_ESCAPE: {
 997                 if (!view()->available())
 998                         break;
 999                 // this function should be used always [asierra060396]
1000                 UpdatableInset * tli = view()->theLockingInset();
1001                 if (tli) {
1002                         UpdatableInset * lock = tli->getLockingInset();
1003
1004                         if (tli == lock) {
1005                                 view()->unlockInset(tli);
1006                                 view()->text->cursorRight(view());
1007                                 moveCursorUpdate();
1008                                 owner->view_state_changed();
1009                         } else {
1010                                 tli->unlockInsetInInset(view(), lock, true);
1011                         }
1012                         finishUndo();
1013                         // Tell the paragraph dialog that we changed paragraph
1014                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1015                 }
1016                 break;
1017         }
1018
1019         case LFUN_WORDFINDFORWARD:
1020         case LFUN_WORDFINDBACKWARD: {
1021                 static string last_search;
1022                 string searched_string;
1023
1024                 if (!argument.empty()) {
1025                         last_search = argument;
1026                         searched_string = argument;
1027                 } else {
1028                         searched_string = last_search;
1029                 }
1030                 bool fw = (action == LFUN_WORDFINDFORWARD);
1031                 if (!searched_string.empty())
1032                         lyx::find::find(view(), searched_string, fw);
1033                 break;
1034         }
1035
1036         case LFUN_PREFIX:
1037                 if (view()->available() && !view()->theLockingInset())
1038                         view()->update();
1039                 owner->message(keyseq.printOptions());
1040                 break;
1041
1042         // --- Misc -------------------------------------------
1043         case LFUN_EXEC_COMMAND:
1044                 owner->focus_command_buffer();
1045                 break;
1046
1047         case LFUN_CANCEL:
1048                 keyseq.reset();
1049                 meta_fake_bit = key_modifier::none;
1050                 if (view()->available())
1051                         // cancel any selection
1052                         dispatch(LFUN_MARK_OFF);
1053                 setMessage(N_("Cancel"));
1054                 break;
1055
1056         case LFUN_META_FAKE:
1057                 meta_fake_bit = key_modifier::alt;
1058                 setMessage(keyseq.print());
1059                 break;
1060
1061         case LFUN_READ_ONLY_TOGGLE:
1062                 if (owner->buffer()->lyxvc.inUse())
1063                         owner->buffer()->lyxvc.toggleReadOnly();
1064                 else
1065                         owner->buffer()->setReadonly(
1066                                 !owner->buffer()->isReadonly());
1067                 break;
1068
1069         case LFUN_CENTER: // this is center and redraw.
1070                 view()->center();
1071                 break;
1072
1073                 // --- Menus -----------------------------------------------
1074         case LFUN_MENUNEW:
1075                 menuNew(argument, false);
1076                 break;
1077
1078         case LFUN_MENUNEWTMPLT:
1079                 menuNew(argument, true);
1080                 break;
1081
1082         case LFUN_CLOSEBUFFER:
1083                 closeBuffer();
1084                 break;
1085
1086         case LFUN_MENUWRITE:
1087                 if (!owner->buffer()->isUnnamed()) {
1088                         string const str = bformat(_("Saving document %1$s..."),
1089                            MakeDisplayPath(owner->buffer()->fileName()));
1090                         owner->message(str);
1091                         MenuWrite(owner->buffer());
1092                         owner->message(str + _(" done."));
1093                 } else
1094                         WriteAs(owner->buffer());
1095                 break;
1096
1097         case LFUN_WRITEAS:
1098                 WriteAs(owner->buffer(), argument);
1099                 break;
1100
1101         case LFUN_MENURELOAD: {
1102                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1103                 string text = bformat(_("Any changes will be lost. Are you sure "
1104                         "you want to revert to the saved version of the document %1$s?"), file);
1105                 int const ret = Alert::prompt(_("Revert to saved document?"),
1106                         text, 0, 1, _("&Revert"), _("&Cancel"));
1107
1108                 if (ret == 0)
1109                         view()->reload();
1110                 break;
1111         }
1112
1113         case LFUN_UPDATE:
1114                 Exporter::Export(owner->buffer(), argument, true);
1115                 view()->showErrorList(BufferFormat(*owner->buffer()));
1116                 break;
1117
1118         case LFUN_PREVIEW:
1119                 Exporter::Preview(owner->buffer(), argument);
1120                 view()->showErrorList(BufferFormat(*owner->buffer()));
1121                 break;
1122
1123         case LFUN_BUILDPROG:
1124                 Exporter::Export(owner->buffer(), "program", true);
1125                 view()->showErrorList(_("Build"));
1126                 break;
1127
1128         case LFUN_RUNCHKTEX:
1129                 owner->buffer()->runChktex();
1130                 view()->showErrorList(_("ChkTeX"));
1131                 break;
1132
1133         case LFUN_EXPORT:
1134                 if (argument == "custom")
1135                         owner->getDialogs().showSendto();
1136                 else {
1137                         Exporter::Export(owner->buffer(), argument, false);
1138                         view()->showErrorList(BufferFormat(*owner->buffer()));
1139                 }
1140                 break;
1141
1142         case LFUN_IMPORT:
1143                 doImport(argument);
1144                 break;
1145
1146         case LFUN_QUIT:
1147                 QuitLyX();
1148                 break;
1149
1150         case LFUN_TOCVIEW:
1151         {
1152                 InsetCommandParams p("tableofcontents");
1153                 string const data = InsetCommandMailer::params2string("toc", p);
1154                 owner->getDialogs().show("toc", data, 0);
1155                 break;
1156         }
1157
1158         case LFUN_AUTOSAVE:
1159                 AutoSave(view());
1160                 break;
1161
1162         case LFUN_UNDO:
1163                 view()->undo();
1164                 break;
1165
1166         case LFUN_REDO:
1167                 view()->redo();
1168                 break;
1169
1170         case LFUN_DEPTH_MIN:
1171                 changeDepth(view(), view()->getLyXText(), DEC_DEPTH, false);
1172                 owner->view_state_changed();
1173                 break;
1174
1175         case LFUN_DEPTH_PLUS:
1176                 changeDepth(view(), view()->getLyXText(), INC_DEPTH, false);
1177                 owner->view_state_changed();
1178                 break;
1179
1180         case LFUN_FREEFONT_APPLY:
1181                 apply_freefont(view());
1182                 break;
1183
1184         case LFUN_FREEFONT_UPDATE:
1185                 update_and_apply_freefont(view(), argument);
1186                 break;
1187
1188         case LFUN_RECONFIGURE:
1189                 Reconfigure(view());
1190                 break;
1191
1192 #if 0
1193         case LFUN_FLOATSOPERATE:
1194                 if (argument == "openfoot")
1195                         view()->allFloats(1,0);
1196                 else if (argument == "closefoot")
1197                         view()->allFloats(0,0);
1198                 else if (argument == "openfig")
1199                         view()->allFloats(1,1);
1200                 else if (argument == "closefig")
1201                         view()->allFloats(0,1);
1202                 break;
1203 #else
1204 #ifdef WITH_WARNINGS
1205 //#warning Find another implementation here (or another lyxfunc)!
1206 #endif
1207 #endif
1208         case LFUN_HELP_OPEN:
1209         {
1210                 string const arg = argument;
1211                 if (arg.empty()) {
1212                         setErrorMessage(N_("Missing argument"));
1213                         break;
1214                 }
1215                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1216                 if (fname.empty()) {
1217                         lyxerr << "LyX: unable to find documentation file `"
1218                                << arg << "'. Bad installation?" << endl;
1219                         break;
1220                 }
1221                 owner->message(bformat(_("Opening help file %1$s..."),
1222                         MakeDisplayPath(fname)));
1223                 view()->loadLyXFile(fname, false);
1224                 break;
1225         }
1226
1227                 // --- version control -------------------------------
1228         case LFUN_VC_REGISTER:
1229         {
1230                 if (!ensureBufferClean(view()))
1231                         break;
1232                 if (!owner->buffer()->lyxvc.inUse()) {
1233                         owner->buffer()->lyxvc.registrer();
1234                         view()->reload();
1235                 }
1236         }
1237         break;
1238
1239         case LFUN_VC_CHECKIN:
1240         {
1241                 if (!ensureBufferClean(view()))
1242                         break;
1243                 if (owner->buffer()->lyxvc.inUse()
1244                     && !owner->buffer()->isReadonly()) {
1245                         owner->buffer()->lyxvc.checkIn();
1246                         view()->reload();
1247                 }
1248         }
1249         break;
1250
1251         case LFUN_VC_CHECKOUT:
1252         {
1253                 if (!ensureBufferClean(view()))
1254                         break;
1255                 if (owner->buffer()->lyxvc.inUse()
1256                     && owner->buffer()->isReadonly()) {
1257                         owner->buffer()->lyxvc.checkOut();
1258                         view()->reload();
1259                 }
1260         }
1261         break;
1262
1263         case LFUN_VC_REVERT:
1264         {
1265                 owner->buffer()->lyxvc.revert();
1266                 view()->reload();
1267         }
1268         break;
1269
1270         case LFUN_VC_UNDO:
1271         {
1272                 owner->buffer()->lyxvc.undoLast();
1273                 view()->reload();
1274         }
1275         break;
1276
1277         // --- buffers ----------------------------------------
1278
1279         case LFUN_SWITCHBUFFER:
1280                 view()->buffer(bufferlist.getBuffer(argument));
1281                 break;
1282
1283         case LFUN_FILE_NEW:
1284                 NewFile(view(), argument);
1285                 break;
1286
1287         case LFUN_FILE_OPEN:
1288                 open(argument);
1289                 break;
1290
1291         case LFUN_LAYOUT_TABULAR:
1292             if (view()->theLockingInset()) {
1293                 if (view()->theLockingInset()->lyxCode()== InsetOld::TABULAR_CODE) {
1294                     InsetTabular * inset = static_cast<InsetTabular *>
1295                         (view()->theLockingInset());
1296                     inset->openLayoutDialog(view());
1297                 } else if (view()->theLockingInset()->
1298                            getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)!=0) {
1299                     InsetTabular * inset = static_cast<InsetTabular *>(
1300                         view()->theLockingInset()->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
1301                     inset->openLayoutDialog(view());
1302                 }
1303             }
1304             break;
1305
1306         case LFUN_DROP_LAYOUTS_CHOICE:
1307                 owner->getToolbar().openLayoutList();
1308                 break;
1309
1310         case LFUN_MENU_OPEN_BY_NAME:
1311                 owner->getMenubar().openByName(argument);
1312                 break; // RVDK_PATCH_5
1313
1314         // --- lyxserver commands ----------------------------
1315
1316
1317         case LFUN_GETNAME:
1318                 setMessage(owner->buffer()->fileName());
1319                 lyxerr[Debug::INFO] << "FNAME["
1320                                << owner->buffer()->fileName()
1321                                << "] " << endl;
1322                 break;
1323
1324         case LFUN_NOTIFY:
1325         {
1326                 dispatch_buffer = keyseq.print();
1327                 lyxserver->notifyClient(dispatch_buffer);
1328         }
1329         break;
1330
1331         case LFUN_GOTOFILEROW:
1332         {
1333                 string file_name;
1334                 int row;
1335                 istringstream istr(argument.c_str());
1336                 istr >> file_name >> row;
1337                 // Must replace extension of the file to be .lyx and get full path
1338                 string const s(ChangeExtension(file_name, ".lyx"));
1339
1340                 // Either change buffer or load the file
1341                 if (bufferlist.exists(s)) {
1342                         view()->buffer(bufferlist.getBuffer(s));
1343                 } else {
1344                         view()->loadLyXFile(s);
1345                 }
1346
1347                 view()->setCursorFromRow(row);
1348
1349                 view()->center();
1350                 // see BufferView_pimpl::center()
1351                 view()->updateScrollbar();
1352         }
1353         break;
1354
1355         case LFUN_GOTO_PARAGRAPH:
1356         {
1357                 istringstream istr(argument.c_str());
1358
1359                 int id;
1360                 istr >> id;
1361                 ParIterator par = owner->buffer()->getParFromID(id);
1362                 if (par == owner->buffer()->par_iterator_end()) {
1363                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1364                                             << id << ']' << endl;
1365                         break;
1366                 } else {
1367                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1368                                             << " found." << endl;
1369                 }
1370
1371                 if (view()->theLockingInset())
1372                         view()->unlockInset(view()->theLockingInset());
1373                 if (par->inInset()) {
1374                         FuncRequest cmd(view(), LFUN_INSET_EDIT, "left");
1375                         par->inInset()->localDispatch(cmd);
1376                 }
1377                 // Set the cursor
1378                 view()->getLyXText()->setCursor(par.pit(), 0);
1379                 view()->switchKeyMap();
1380                 owner->view_state_changed();
1381
1382                 view()->center();
1383                 // see BufferView_pimpl::center()
1384                 view()->updateScrollbar();
1385         }
1386         break;
1387
1388         // --- insert characters ----------------------------------------
1389
1390         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1391         case LFUN_MATH_EXTERN:
1392         case LFUN_MATH_NUMBER:
1393         case LFUN_MATH_NONUMBER:
1394         case LFUN_MATH_LIMITS:
1395         {
1396                 setErrorMessage(N_("This is only allowed in math mode!"));
1397         }
1398         break;
1399
1400         // passthrough hat and underscore outside mathed:
1401         case LFUN_SUBSCRIPT:
1402                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1403                 break;
1404         case LFUN_SUPERSCRIPT:
1405                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1406                 break;
1407
1408         case LFUN_DIALOG_SHOW: {
1409                 string const name = ev.getArg(0);
1410                 string data = trim(ev.argument.substr(name.size()));
1411
1412                 if (name == "character") {
1413                         data = freefont2string();
1414                         if (!data.empty())
1415                                 owner->getDialogs().show("character", data);
1416                 } else if (name == "document")
1417                         owner->getDialogs().showDocument();
1418                 else if (name == "findreplace")
1419                         owner->getDialogs().showSearch();
1420                 else if (name == "forks")
1421                         owner->getDialogs().showForks();
1422                 else if (name == "preamble")
1423                         owner->getDialogs().showPreamble();
1424                 else if (name == "preferences")
1425                         owner->getDialogs().showPreferences();
1426                 else if (name == "print")
1427                         owner->getDialogs().showPrint();
1428                 else if (name == "spellchecker")
1429                         owner->getDialogs().showSpellchecker();
1430                 else
1431                         owner->getDialogs().show(name, data);
1432                 break;
1433         }
1434
1435         case LFUN_DIALOG_SHOW_NEW_INSET: {
1436                 string const & name = argument;
1437                 string data;
1438                 if (name == "bibitem" ||
1439                     name == "bibtex" ||
1440                     name == "include" ||
1441                     name == "index" ||
1442                     name == "ref" ||
1443                     name == "toc" ||
1444                     name == "url") {
1445                         InsetCommandParams p(name);
1446                         data = InsetCommandMailer::params2string(name, p);
1447                 } else if (name == "citation") {
1448                         InsetCommandParams p("cite");
1449                         data = InsetCommandMailer::params2string(name, p);
1450                 }
1451                 owner->getDialogs().show(name, data, 0);
1452         }
1453         break;
1454
1455         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1456         }
1457         break;
1458
1459         case LFUN_INSET_DIALOG_SHOW: {
1460                 LyXText * lt = view()->getLyXText();
1461                 InsetOld * inset = lt->getInset();
1462                 if (inset) {
1463                         FuncRequest cmd(view(), LFUN_INSET_DIALOG_SHOW);
1464                         inset->localDispatch(cmd);
1465                 }
1466         }
1467         break;
1468
1469         case LFUN_DIALOG_UPDATE: {
1470                 string const & name = argument;
1471                 // Can only update a dialog connected to an existing inset
1472                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1473                 if (inset) {
1474                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1475                                        ev.argument);
1476                         inset->localDispatch(fr);
1477                 } else if (name == "paragraph") {
1478                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1479                 }
1480         }
1481         break;
1482
1483         case LFUN_DIALOG_HIDE:
1484                 Dialogs::hide(argument, 0);
1485                 break;
1486
1487         case LFUN_DIALOG_DISCONNECT_INSET:
1488                 owner->getDialogs().disconnect(argument);
1489                 break;
1490
1491         case LFUN_CHILDOPEN:
1492         {
1493                 string const filename =
1494                         MakeAbsPath(argument,
1495                                     owner->buffer()->filePath());
1496                 setMessage(N_("Opening child document ") +
1497                            MakeDisplayPath(filename) + "...");
1498                 view()->savePosition(0);
1499                 if (bufferlist.exists(filename))
1500                         view()->buffer(bufferlist.getBuffer(filename));
1501                 else
1502                         view()->loadLyXFile(filename);
1503         }
1504         break;
1505
1506         case LFUN_TOGGLECURSORFOLLOW:
1507                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1508                 break;
1509
1510         case LFUN_KMAP_OFF:
1511                 owner->getIntl().KeyMapOn(false);
1512                 break;
1513
1514         case LFUN_KMAP_PRIM:
1515                 owner->getIntl().KeyMapPrim();
1516                 break;
1517
1518         case LFUN_KMAP_SEC:
1519                 owner->getIntl().KeyMapSec();
1520                 break;
1521
1522         case LFUN_KMAP_TOGGLE:
1523                 owner->getIntl().ToggleKeyMap();
1524                 break;
1525
1526         case LFUN_SEQUENCE:
1527         {
1528                 // argument contains ';'-terminated commands
1529                 while (!argument.empty()) {
1530                         string first;
1531                         argument = split(argument, first, ';');
1532                         dispatch(first);
1533                 }
1534         }
1535         break;
1536
1537         case LFUN_SAVEPREFERENCES:
1538         {
1539                 Path p(user_lyxdir());
1540                 lyxrc.write("preferences");
1541         }
1542         break;
1543
1544         case LFUN_SCREEN_FONT_UPDATE:
1545         {
1546                 // handle the screen font changes.
1547                 lyxrc.set_font_norm_type();
1548                 lyx_gui::update_fonts();
1549                 // We also need to empty the textcache so that
1550                 // the buffer will be formatted correctly after
1551                 // a zoom change.
1552                 textcache.clear();
1553                 // Of course we should only do the resize and the textcache.clear
1554                 // if values really changed...but not very important right now. (Lgb)
1555                 // All visible buffers will need resize
1556                 view()->resize();
1557                 view()->update();
1558         }
1559         break;
1560
1561         case LFUN_SET_COLOR:
1562         {
1563                 string lyx_name;
1564                 string const x11_name = split(argument, lyx_name, ' ');
1565                 if (lyx_name.empty() || x11_name.empty()) {
1566                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1567                                                 " <x11_name>"));
1568                         break;
1569                         }
1570
1571                 bool const graphicsbg_changed =
1572                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1573                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1574
1575                 if (!lcolor.setColor(lyx_name, x11_name)) {
1576                         setErrorMessage(
1577                                 bformat(_("Set-color \"%1$s\" failed "
1578                                                   "- color is undefined or "
1579                                                   "may not be redefined"), lyx_name));
1580                         break;
1581                 }
1582
1583                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1584
1585                 if (graphicsbg_changed) {
1586 #ifdef WITH_WARNINGS
1587 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1588 #endif
1589 #if 0
1590                         lyx::graphics::GCache & gc =
1591                                 lyx::graphics::GCache::get();
1592                         gc.changeDisplay(true);
1593 #endif
1594                 }
1595
1596                 view()->update();
1597                 break;
1598         }
1599
1600         case LFUN_MESSAGE:
1601                 owner->message(argument);
1602                 break;
1603
1604         case LFUN_FORKS_KILL:
1605         {
1606                 if (!isStrInt(argument))
1607                         break;
1608
1609                 pid_t const pid = strToInt(argument);
1610                 ForkedcallsController & fcc = ForkedcallsController::get();
1611                 fcc.kill(pid);
1612                 break;
1613         }
1614
1615         case LFUN_TOOLTIPS_TOGGLE:
1616                 owner->getDialogs().toggleTooltips();
1617                 break;
1618
1619         case LFUN_EXTERNAL_EDIT: {
1620                 InsetExternal()
1621                         .localDispatch(FuncRequest(view(), action, argument));
1622                 break;
1623         }
1624
1625         default:
1626                 // Then if it was none of the above
1627                 // Trying the BufferView::pimpl dispatch:
1628                 if (!view()->dispatch(ev))
1629                         lyxerr << "A truly unknown func ["
1630                                << lyxaction.getActionName(ev.action) << "]!"
1631                                << endl;
1632                 break;
1633         } // end of switch
1634
1635 exit_with_message:
1636
1637         view()->owner()->updateLayoutChoice();
1638
1639         if (view()->available()) {
1640                 if (view()->fitCursor()) {
1641                         lyxerr << "LyXFunc->fitCursor->update" << endl;
1642
1643                         view()->update();
1644                 }
1645
1646                 // If we executed a mutating lfun, mark the buffer as dirty
1647                 if (!getStatus(ev).disabled()
1648                     && !lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)
1649                     && !lyxaction.funcHasFlag(ev.action, LyXAction::ReadOnly))
1650                         view()->buffer()->markDirty();
1651         }
1652
1653         sendDispatchMessage(getMessage(), ev, verbose);
1654 }
1655
1656
1657 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1658 {
1659         owner->updateMenubar();
1660         owner->updateToolbar();
1661
1662         if (ev.action == LFUN_SELFINSERT || !verbose) {
1663                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1664                 if (!msg.empty())
1665                         owner->message(msg);
1666                 return;
1667         }
1668
1669         string dispatch_msg = msg;
1670         if (!dispatch_msg.empty())
1671                 dispatch_msg += ' ';
1672
1673         string comname = lyxaction.getActionName(ev.action);
1674
1675         int pseudoaction = ev.action;
1676         bool argsadded = false;
1677
1678         if (!ev.argument.empty()) {
1679                 // the pseudoaction is useful for the bindings
1680                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1681
1682                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1683                         pseudoaction = ev.action;
1684                 } else {
1685                         comname += ' ' + ev.argument;
1686                         argsadded = true;
1687                 }
1688         }
1689
1690         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1691
1692         if (!shortcuts.empty()) {
1693                 comname += ": " + shortcuts;
1694         } else if (!argsadded && !ev.argument.empty()) {
1695                 comname += ' ' + ev.argument;
1696         }
1697
1698         if (!comname.empty()) {
1699                 comname = rtrim(comname);
1700                 dispatch_msg += '(' + comname + ')';
1701         }
1702
1703         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1704         if (!dispatch_msg.empty())
1705                 owner->message(dispatch_msg);
1706 }
1707
1708
1709 void LyXFunc::setupLocalKeymap()
1710 {
1711         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1712         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1713 }
1714
1715
1716 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1717 {
1718         string initpath = lyxrc.document_path;
1719         string filename(name);
1720
1721         if (view()->available()) {
1722                 string const trypath = owner->buffer()->filePath();
1723                 // If directory is writeable, use this as default.
1724                 if (IsDirWriteable(trypath))
1725                         initpath = trypath;
1726         }
1727
1728         static int newfile_number;
1729
1730         if (filename.empty()) {
1731                 filename = AddName(lyxrc.document_path,
1732                             "newfile" + tostr(++newfile_number) + ".lyx");
1733                 FileInfo fi(filename);
1734                 while (bufferlist.exists(filename) || fi.readable()) {
1735                         ++newfile_number;
1736                         filename = AddName(lyxrc.document_path,
1737                                     "newfile" + tostr(newfile_number) +
1738                                     ".lyx");
1739                         fi.newFile(filename);
1740                 }
1741         }
1742
1743         // The template stuff
1744         string templname;
1745         if (fromTemplate) {
1746                 FileDialog fileDlg(_("Select template file"),
1747                         LFUN_SELECT_FILE_SYNC,
1748                         make_pair(string(_("Documents|#o#O")),
1749                                   string(lyxrc.document_path)),
1750                         make_pair(string(_("Templates|#T#t")),
1751                                   string(lyxrc.template_path)));
1752
1753                 FileDialog::Result result =
1754                         fileDlg.open(lyxrc.template_path,
1755                                        _("*.lyx| LyX Documents (*.lyx)"));
1756
1757                 if (result.first == FileDialog::Later)
1758                         return;
1759
1760                 string const fname = result.second;
1761
1762                 if (fname.empty())
1763                         return;
1764                 templname = fname;
1765         }
1766
1767         view()->newFile(filename, templname, !name.empty());
1768 }
1769
1770
1771 void LyXFunc::open(string const & fname)
1772 {
1773         string initpath = lyxrc.document_path;
1774
1775         if (view()->available()) {
1776                 string const trypath = owner->buffer()->filePath();
1777                 // If directory is writeable, use this as default.
1778                 if (IsDirWriteable(trypath))
1779                         initpath = trypath;
1780         }
1781
1782         string filename;
1783
1784         if (fname.empty()) {
1785                 FileDialog fileDlg(_("Select document to open"),
1786                         LFUN_FILE_OPEN,
1787                         make_pair(string(_("Documents|#o#O")),
1788                                   string(lyxrc.document_path)),
1789                         make_pair(string(_("Examples|#E#e")),
1790                                   string(AddPath(system_lyxdir(), "examples"))));
1791
1792                 FileDialog::Result result =
1793                         fileDlg.open(initpath,
1794                                        _("*.lyx| LyX Documents (*.lyx)"));
1795
1796                 if (result.first == FileDialog::Later)
1797                         return;
1798
1799                 filename = result.second;
1800
1801                 // check selected filename
1802                 if (filename.empty()) {
1803                         owner->message(_("Canceled."));
1804                         return;
1805                 }
1806         } else
1807                 filename = fname;
1808
1809         // get absolute path of file and add ".lyx" to the filename if
1810         // necessary
1811         string const fullpath = FileSearch(string(), filename, "lyx");
1812         if (!fullpath.empty()) {
1813                 filename = fullpath;
1814         }
1815
1816         string const disp_fn(MakeDisplayPath(filename));
1817
1818         // if the file doesn't exist, let the user create one
1819         FileInfo const f(filename, true);
1820         if (!f.exist()) {
1821                 // the user specifically chose this name. Believe them.
1822                 view()->newFile(filename, "", true);
1823                 return;
1824         }
1825
1826         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1827
1828         string str2;
1829         if (view()->loadLyXFile(filename)) {
1830                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1831         } else {
1832                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1833         }
1834         owner->message(str2);
1835 }
1836
1837
1838 void LyXFunc::doImport(string const & argument)
1839 {
1840         string format;
1841         string filename = split(argument, format, ' ');
1842
1843         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1844                             << " file: " << filename << endl;
1845
1846         // need user interaction
1847         if (filename.empty()) {
1848                 string initpath = lyxrc.document_path;
1849
1850                 if (view()->available()) {
1851                         string const trypath = owner->buffer()->filePath();
1852                         // If directory is writeable, use this as default.
1853                         if (IsDirWriteable(trypath))
1854                                 initpath = trypath;
1855                 }
1856
1857                 string const text = bformat(_("Select %1$s file to import"),
1858                         formats.prettyName(format));
1859
1860                 FileDialog fileDlg(text,
1861                         LFUN_IMPORT,
1862                         make_pair(string(_("Documents|#o#O")),
1863                                   string(lyxrc.document_path)),
1864                         make_pair(string(_("Examples|#E#e")),
1865                                   string(AddPath(system_lyxdir(), "examples"))));
1866
1867                 string const extension = "*." + formats.extension(format)
1868                         + "| " + formats.prettyName(format)
1869                         + " (*." + formats.extension(format) + ')';
1870
1871                 FileDialog::Result result = fileDlg.open(initpath,
1872                                                            extension);
1873
1874                 if (result.first == FileDialog::Later)
1875                         return;
1876
1877                 filename = result.second;
1878
1879                 // check selected filename
1880                 if (filename.empty())
1881                         owner->message(_("Canceled."));
1882         }
1883
1884         if (filename.empty())
1885                 return;
1886
1887         // get absolute path of file
1888         filename = MakeAbsPath(filename);
1889
1890         string const lyxfile = ChangeExtension(filename, ".lyx");
1891
1892         // Check if the document already is open
1893         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1894                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1895                         owner->message(_("Canceled."));
1896                         return;
1897                 }
1898         }
1899
1900         // if the file exists already, and we didn't do
1901         // -i lyx thefile.lyx, warn
1902         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1903                 string const file = MakeDisplayPath(lyxfile, 30);
1904
1905                 string text = bformat(_("The document %1$s already exists.\n\n"
1906                         "Do you want to over-write that document?"), file);
1907                 int const ret = Alert::prompt(_("Over-write document?"),
1908                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1909
1910                 if (ret == 1) {
1911                         owner->message(_("Canceled."));
1912                         return;
1913                 }
1914         }
1915
1916         Importer::Import(owner, filename, format);
1917 }
1918
1919
1920 void LyXFunc::closeBuffer()
1921 {
1922         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1923                 if (bufferlist.empty()) {
1924                         // need this otherwise SEGV may occur while
1925                         // trying to set variables that don't exist
1926                         // since there's no current buffer
1927                         owner->getDialogs().hideBufferDependent();
1928                 } else {
1929                         view()->buffer(bufferlist.first());
1930                 }
1931         }
1932 }
1933
1934
1935 // Each "owner" should have it's own message method. lyxview and
1936 // the minibuffer would use the minibuffer, but lyxserver would
1937 // send an ERROR signal to its client.  Alejandro 970603
1938 // This func is bit problematic when it comes to NLS, to make the
1939 // lyx servers client be language indepenent we must not translate
1940 // strings sent to this func.
1941 void LyXFunc::setErrorMessage(string const & m) const
1942 {
1943         dispatch_buffer = m;
1944         errorstat = true;
1945 }
1946
1947
1948 void LyXFunc::setMessage(string const & m) const
1949 {
1950         dispatch_buffer = m;
1951 }
1952
1953
1954 void LyXFunc::setStatusMessage(string const & m) const
1955 {
1956         status_buffer = m;
1957 }
1958
1959
1960 string const LyXFunc::view_status_message()
1961 {
1962         // When meta-fake key is pressed, show the key sequence so far + "M-".
1963         if (wasMetaKey()) {
1964                 return keyseq.print() + "M-";
1965         }
1966
1967         // Else, when a non-complete key sequence is pressed,
1968         // show the available options.
1969         if (keyseq.length() > 0 && !keyseq.deleted()) {
1970                 return keyseq.printOptions();
1971         }
1972
1973         if (!view()->available())
1974                 return _("Welcome to LyX!");
1975
1976         return currentState(view());
1977 }
1978
1979
1980 BufferView * LyXFunc::view() const
1981 {
1982         Assert(owner);
1983         return owner->view().get();
1984 }
1985
1986
1987 bool LyXFunc::wasMetaKey() const
1988 {
1989         return (meta_fake_bit != key_modifier::none);
1990 }