src/lyxfunc.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "lyxfunc.h"
  14 #include "version.h"
  15 #include "kbmap.h"
  16 #include "lyxrow.h"
  17 #include "bufferlist.h"
  18 #include "BufferView.h"
  19 #include "lyxserver.h"
  20 #include "intl.h"
  21 #include "lyx_main.h"
  22 #include "lyx_cb.h"
  23 #include "LyXAction.h"
  24 #include "debug.h"
  25 #include "lyxrc.h"
  26 #include "lyxtext.h"
  27 #include "gettext.h"
  28 #include "Lsstream.h"
  29 #include "trans_mgr.h"
  30 #include "encoding.h"
  31 #include "layout.h"
  32 #include "bufferview_funcs.h"
  33 #include "frontends/LyXView.h"
  34 #include "frontends/lyx_gui.h"
  35 #include "vspace.h"
  36 #include "FloatList.h"
  37 #include "format.h"
  38 #include "exporter.h"
  39 #include "importer.h"
  40 #include "TextCache.h"
  41 #include "lyxfind.h"
  42 #include "undo_funcs.h"
  43 #include "ParagraphParameters.h"
  44
  45 #include "insets/insetcommand.h"
  46 #include "insets/insettabular.h"
  47
  48 #include "mathed/formulamacro.h"
  49 #include "mathed/math_cursor.h"
  50 #include "mathed/math_inset.h"
  51
  52 #include "frontends/FileDialog.h"
  53 #include "frontends/Dialogs.h"
  54 #include "frontends/Toolbar.h"
  55 #include "frontends/Menubar.h"
  56 #include "frontends/Alert.h"
  57
  58 #include "graphics/GraphicsCache.h"
  59
  60 #include "support/lyxalgo.h"
  61 #include "support/LAssert.h"
  62 #include "support/filetools.h"
  63 #include "support/FileInfo.h"
  64 #include "support/forkedcontr.h"
  65 #include "support/lstrings.h"
  66 #include "support/path.h"
  67 #include "support/lyxfunctional.h"
  68
  69 #include <ctime>
  70 #include <clocale>
  71 #include <cstdlib>
  72 #include <cctype>
  73
  74 #include <utility>
  75 #include <algorithm>
  76
  77 using std::pair;
  78 using std::make_pair;
  79 using std::endl;
  80 using std::find_if;
  81 using std::vector;
  82 using std::transform;
  83 using std::back_inserter;
  84 using namespace bv_funcs;
  85
  86 extern BufferList bufferlist;
  87 extern LyXServer * lyxserver;
  88 extern bool selection_possible;
  89
  90 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
  91
  92 // (alkis)
  93 extern tex_accent_struct get_accent(kb_action action);
  94
  95 extern void ShowLatexLog();
  96
  97
  98 LyXFunc::LyXFunc(LyXView * o)
  99         : owner(o),
 100         encoded_last_key(0),
 101         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 102         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 103         meta_fake_bit(key_modifier::none)
 104 {
 105 }
 106
 107
 108 inline
 109 LyXText * LyXFunc::TEXT(bool flag = true) const
 110 {
 111         if (flag)
 112                 return view()->text;
 113         return view()->getLyXText();
 114 }
 115
 116
 117 inline
 118 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 119 {
 120         if (selecting || TEXT(flag)->selection.mark()) {
 121                 TEXT(flag)->setSelection();
 122                 if (!TEXT(flag)->isInInset())
 123                     view()->toggleToggle();
 124         }
 125         view()->update(TEXT(flag), BufferView::SELECT);
 126
 127         view()->switchKeyMap();
 128 }
 129
 130
 131 void LyXFunc::handleKeyFunc(kb_action action)
 132 {
 133         char c = encoded_last_key;
 134
 135         if (keyseq.length()) {
 136                 c = 0;
 137         }
 138
 139         owner->getIntl().getTransManager()
 140                 .deadkey(c, get_accent(action).accent, TEXT(false));
 141         // Need to clear, in case the minibuffer calls these
 142         // actions
 143         keyseq.clear();
 144         // copied verbatim from do_accent_char
 145         view()->update(TEXT(false), BufferView::SELECT);
 146         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 147 }
 148
 149
 150 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 151                             key_modifier::state state)
 152 {
 153         string argument;
 154
 155         if (lyxerr.debugging(Debug::KEY)) {
 156                 lyxerr << "KeySym is "
 157                        << keysym->getSymbolName()
 158                        << endl;
 159         }
 160
 161         // Do nothing if we have nothing (JMarc)
 162         if (!keysym->isOK()) {
 163                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 164                                    << endl;
 165                 return;
 166         }
 167
 168         if (keysym->isModifier()) {
 169                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 170                 return;
 171         }
 172
 173         Encoding const * encoding = view()->getEncoding();
 174
 175         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 176
 177         // Do a one-deep top-level lookup for
 178         // cancel and meta-fake keys. RVDK_PATCH_5
 179         cancel_meta_seq.reset();
 180
 181         int action = cancel_meta_seq.addkey(keysym, state);
 182         lyxerr[Debug::KEY] << "action first set to [" << action << ']' << endl;
 183
 184         // When not cancel or meta-fake, do the normal lookup.
 185         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 186         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 187         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 188                 // remove Caps Lock and Mod2 as a modifiers
 189                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 190                 lyxerr[Debug::KEY] << "action now set to ["
 191                         << action << ']' << endl;
 192         }
 193
 194         // Dont remove this unless you know what you are doing.
 195         meta_fake_bit = key_modifier::none;
 196
 197         // can this happen now ?
 198         if (action == LFUN_NOACTION) {
 199                 action = LFUN_PREFIX;
 200         }
 201
 202         if (lyxerr.debugging(Debug::KEY)) {
 203                 lyxerr << "Key [action="
 204                        << action << "]["
 205                        << keyseq.print() << ']'
 206                        << endl;
 207         }
 208
 209         // already here we know if it any point in going further
 210         // why not return already here if action == -1 and
 211         // num_bytes == 0? (Lgb)
 212
 213         if (keyseq.length() > 1) {
 214                 owner->message(keyseq.print());
 215         }
 216
 217
 218         // Maybe user can only reach the key via holding down shift.
 219         // Let's see. But only if shift is the only modifier
 220         if (action == LFUN_UNKNOWN_ACTION && state == key_modifier::shift) {
 221                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 222                 action = keyseq.addkey(keysym, key_modifier::none);
 223                 lyxerr[Debug::KEY] << "Action now " << action << endl;
 224         }
 225
 226         if (action == LFUN_UNKNOWN_ACTION) {
 227                 // Hmm, we didn't match any of the keysequences. See
 228                 // if it's normal insertable text not already covered
 229                 // by a binding
 230                 if (keysym->isText() && keyseq.length() == 1) {
 231                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 232                         action = LFUN_SELFINSERT;
 233                 } else {
 234                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 235                         owner->message(_("Unknown function."));
 236                         return;
 237                 }
 238         }
 239
 240         if (action == LFUN_SELFINSERT) {
 241                 if (encoded_last_key != 0) {
 242                         string arg;
 243                         arg += encoded_last_key;
 244
 245                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 246
 247                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 248                                    << argument << "']" << endl;
 249                 }
 250         } else {
 251                 dispatch(action);
 252         }
 253 }
 254
 255
 256 FuncStatus LyXFunc::getStatus(int ac) const
 257 {
 258         return getStatus(lyxaction.retrieveActionArg(ac));
 259 }
 260
 261
 262 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 263 {
 264         FuncStatus flag;
 265         Buffer * buf = owner->buffer();
 266
 267         if (ev.action == LFUN_NOACTION) {
 268                 setStatusMessage(N_("Nothing to do"));
 269                 return flag.disabled(true);
 270         }
 271
 272         switch (ev.action) {
 273         case LFUN_UNKNOWN_ACTION:
 274 #ifndef HAVE_LIBAIKSAURUS
 275         case LFUN_THESAURUS_ENTRY:
 276 #endif
 277                 flag.unknown(true);
 278                 break;
 279         default:
 280                 flag |= lyx_gui::getStatus(ev);
 281         }
 282
 283         if (flag.unknown()) {
 284                 setStatusMessage(N_("Unknown action"));
 285                 return flag;
 286         }
 287
 288         // the default error message if we disable the command
 289         setStatusMessage(N_("Command disabled"));
 290
 291         // Check whether we need a buffer
 292         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 293                 // Yes we need a buffer, do we have one?
 294                 if (buf) {
 295                         // yes
 296                         // Can we use a readonly buffer?
 297                         if (buf->isReadonly() &&
 298                             !lyxaction.funcHasFlag(ev.action,
 299                                                    LyXAction::ReadOnly)) {
 300                                 // no
 301                                 setStatusMessage(N_("Document is read-only"));
 302                                 flag.disabled(true);
 303                         }
 304                 } else {
 305                         // no
 306                         setStatusMessage(N_("Command not allowed with"
 307                                            "out any document open"));
 308                         return flag.disabled(true);
 309                 }
 310         }
 311
 312         UpdatableInset * tli = view()->theLockingInset();
 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 (ev.action) {
 318         case LFUN_MENUPRINT:
 319                 disable = !Exporter::IsExportable(buf, "dvi")
 320                         || lyxrc.print_command == "none";
 321                 break;
 322         case LFUN_EXPORT:
 323                 disable = ev.argument != "custom"
 324                         && !Exporter::IsExportable(buf, ev.argument);
 325                 break;
 326         case LFUN_UNDO:
 327                 disable = buf->undostack.empty();
 328                 break;
 329         case LFUN_REDO:
 330                 disable = buf->redostack.empty();
 331                 break;
 332         case LFUN_CUT:
 333         case LFUN_COPY:
 334                 if (tli) {
 335                         UpdatableInset * in = tli;
 336                         if (in->lyxCode() != Inset::TABULAR_CODE) {
 337                                 in = tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
 338                         }
 339                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 340                                 disable = false;
 341                                 break;
 342                         }
 343                 }
 344                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 345                 break;
 346         case LFUN_RUNCHKTEX:
 347                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 348                 break;
 349         case LFUN_BUILDPROG:
 350                 disable = !Exporter::IsExportable(buf, "program");
 351                 break;
 352
 353         case LFUN_LAYOUT_CHARACTER:
 354                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 355                 break;
 356
 357         case LFUN_LAYOUT_TABULAR:
 358                 disable = !tli
 359                         || (tli->lyxCode() != Inset::TABULAR_CODE
 360                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 361                 break;
 362
 363         case LFUN_DEPTH_MIN:
 364                 disable = !changeDepth(view(), TEXT(false), DEC_DEPTH, true);
 365                 break;
 366
 367         case LFUN_DEPTH_PLUS:
 368                 disable = !changeDepth(view(), TEXT(false), INC_DEPTH, true);
 369                 break;
 370
 371         case LFUN_LAYOUT:
 372         case LFUN_LAYOUT_PARAGRAPH: {
 373                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 374                 disable = inset && inset->forceDefaultParagraphs(inset);
 375                 break;
 376         }
 377
 378         case LFUN_INSET_OPTARG:
 379                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
 380                 break;
 381
 382         case LFUN_TABULAR_FEATURE:
 383                 if (mathcursor) {
 384 #if 0
 385                         // FIXME: check temporarily disabled
 386                         // valign code
 387                         char align = mathcursor->valign();
 388                         if (align == '\0') {
 389                                 disable = true;
 390                                 break;
 391                         }
 392                         if (ev.argument.empty()) {
 393                                 flag.clear();
 394                                 break;
 395                         }
 396                         if (!contains("tcb", ev.argument[0])) {
 397                                 disable = true;
 398                                 break;
 399                         }
 400                         flag.setOnOff(ev.argument[0] == align);
 401                 } else
 402                         disable = true;
 403
 404                         char align = mathcursor->halign();
 405                         if (align == '\0') {
 406                                 disable = true;
 407                                 break;
 408                         }
 409                         if (ev.argument.empty()) {
 410                                 flag.clear();
 411                                 break;
 412                         }
 413                         if (!contains("lcr", ev.argument[0])) {
 414                                 disable = true;
 415                                 break;
 416                         }
 417                         flag.setOnOff(ev.argument[0] == align);
 418 #endif
 419
 420                         disable = !mathcursor->halign();
 421                         break;
 422                 }
 423
 424                 if (tli) {
 425                         FuncStatus ret;
 426                         //ret.disabled(true);
 427                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 428                                 ret = static_cast<InsetTabular *>(tli)
 429                                         ->getStatus(ev.argument);
 430                                 flag |= ret;
 431                                 disable = false;
 432                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 433                                 ret = static_cast<InsetTabular *>
 434                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 435                                         ->getStatus(ev.argument);
 436                                 flag |= ret;
 437                                 disable = false;
 438                         } else {
 439                                 disable = true;
 440                         }
 441                 } else {
 442                         static InsetTabular inset(*owner->buffer(), 1, 1);
 443                         FuncStatus ret;
 444
 445                         disable = true;
 446                         ret = inset.getStatus(ev.argument);
 447                         if (ret.onoff(true) || ret.onoff(false))
 448                                 flag.setOnOff(false);
 449                 }
 450                 break;
 451
 452         case LFUN_VC_REGISTER:
 453                 disable = buf->lyxvc.inUse();
 454                 break;
 455         case LFUN_VC_CHECKIN:
 456                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 457                 break;
 458         case LFUN_VC_CHECKOUT:
 459                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 460                 break;
 461         case LFUN_VC_REVERT:
 462         case LFUN_VC_UNDO:
 463         case LFUN_VC_HISTORY:
 464                 disable = !buf->lyxvc.inUse();
 465                 break;
 466         case LFUN_MENURELOAD:
 467                 disable = buf->isUnnamed() || buf->isClean();
 468                 break;
 469         case LFUN_BOOKMARK_GOTO:
 470                 disable =  !view()->
 471                         isSavedPosition(strToUnsignedInt(ev.argument));
 472                 break;
 473         case LFUN_MERGE_CHANGES:
 474         case LFUN_ACCEPT_CHANGE:
 475         case LFUN_REJECT_CHANGE:
 476         case LFUN_ACCEPT_ALL_CHANGES:
 477         case LFUN_REJECT_ALL_CHANGES:
 478                 disable = !buf->params.tracking_changes;
 479                 break;
 480         case LFUN_INSET_TOGGLE: {
 481                 LyXText * lt = view()->getLyXText();
 482                 disable = !(isEditableInset(lt->getInset())
 483                             || (lt->inset_owner
 484                                 && lt->inset_owner->owner()
 485                                 && lt->inset_owner->owner()->isOpen()));
 486                 break;
 487         }
 488
 489         case LFUN_INSET_SETTINGS: {
 490                 disable = true;
 491                 UpdatableInset * inset = view()->theLockingInset();
 492
 493                 if (!inset)
 494                         break;
 495
 496                 // get the innermost inset
 497                 inset = inset->getLockingInset();
 498
 499                 // jump back to owner if an InsetText, so
 500                 // we get back to the InsetTabular or whatever
 501                 if (inset->lyxCode() == Inset::TEXT_CODE)
 502                         inset = static_cast<UpdatableInset*>(inset->owner());
 503
 504                 Inset::Code code = inset->lyxCode();
 505                 switch (code) {
 506                         case Inset::TABULAR_CODE:
 507                                 disable = ev.argument != "tabular";
 508                                 break;
 509                         case Inset::ERT_CODE:
 510                                 disable = ev.argument != "ert";
 511                                 break;
 512                         case Inset::FLOAT_CODE:
 513                                 disable = ev.argument != "float";
 514                                 break;
 515                         case Inset::MINIPAGE_CODE:
 516                                 disable = ev.argument != "minipage";
 517                                 break;
 518                         case Inset::WRAP_CODE:
 519                                 disable = ev.argument != "wrap";
 520                                 break;
 521                         default:
 522                                 break;
 523                 }
 524                 break;
 525         }
 526
 527         case LFUN_LATEX_LOG:
 528                 disable = !IsFileReadable(buf->getLogName().second);
 529                 break;
 530
 531         case LFUN_MATH_MUTATE:
 532                 if (mathcursor)
 533                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 534                         flag.setOnOff(false);
 535                 else
 536                         disable = true;
 537                 break;
 538
 539         // we just need to be in math mode to enable that
 540         case LFUN_MATH_SIZE:
 541         case LFUN_MATH_SPACE:
 542         case LFUN_MATH_LIMITS:
 543         case LFUN_MATH_NONUMBER:
 544         case LFUN_MATH_NUMBER:
 545         case LFUN_MATH_EXTERN:
 546                 disable = !mathcursor;
 547                 break;
 548
 549         default:
 550                 break;
 551         }
 552
 553         // the functions which insert insets
 554         Inset::Code code = Inset::NO_CODE;
 555         switch (ev.action) {
 556         case LFUN_DIALOG_SHOW_NEW_INSET:
 557                 if (ev.argument == "bibitem")
 558                         code = Inset::BIBITEM_CODE;
 559                 else if (ev.argument == "bibtex")
 560                         code = Inset::BIBTEX_CODE;
 561                 else if (ev.argument == "citation")
 562                         code = Inset::CITE_CODE;
 563                 else if (ev.argument == "ert")
 564                         code = Inset::ERT_CODE;
 565                 else if (ev.argument == "external")
 566                         code = Inset::EXTERNAL_CODE;
 567                 else if (ev.argument == "float")
 568                         code = Inset::FLOAT_CODE;
 569                 else if (ev.argument == "graphics")
 570                         code = Inset::GRAPHICS_CODE;
 571                 else if (ev.argument == "include")
 572                         code = Inset::INCLUDE_CODE;
 573                 else if (ev.argument == "index")
 574                         code = Inset::INDEX_CODE;
 575                 else if (ev.argument == "label")
 576                         code = Inset::LABEL_CODE;
 577                 else if (ev.argument == "minipage")
 578                         code = Inset::MINIPAGE_CODE;
 579                 else if (ev.argument == "ref")
 580                         code = Inset::REF_CODE;
 581                 else if (ev.argument == "toc")
 582                         code = Inset::TOC_CODE;
 583                 else if (ev.argument == "url")
 584                         code = Inset::URL_CODE;
 585                 else if (ev.argument == "wrap")
 586                         code = Inset::WRAP_CODE;
 587                 break;
 588
 589         case LFUN_INSET_ERT:
 590                 code = Inset::ERT_CODE;
 591                 break;
 592         case LFUN_INSET_FOOTNOTE:
 593                 code = Inset::FOOT_CODE;
 594                 break;
 595         case LFUN_TABULAR_INSERT:
 596                 code = Inset::TABULAR_CODE;
 597                 break;
 598         case LFUN_INSET_MARGINAL:
 599                 code = Inset::MARGIN_CODE;
 600                 break;
 601         case LFUN_INSET_MINIPAGE:
 602                 code = Inset::MINIPAGE_CODE;
 603                 break;
 604         case LFUN_INSET_FLOAT:
 605         case LFUN_INSET_WIDE_FLOAT:
 606                 code = Inset::FLOAT_CODE;
 607                 break;
 608         case LFUN_INSET_WRAP:
 609                 code = Inset::WRAP_CODE;
 610                 break;
 611         case LFUN_FLOAT_LIST:
 612                 code = Inset::FLOAT_LIST_CODE;
 613                 break;
 614 #if 0
 615         case LFUN_INSET_LIST:
 616                 code = Inset::LIST_CODE;
 617                 break;
 618         case LFUN_INSET_THEOREM:
 619                 code = Inset::THEOREM_CODE;
 620                 break;
 621 #endif
 622         case LFUN_INSET_CAPTION:
 623                 code = Inset::CAPTION_CODE;
 624                 break;
 625         case LFUN_INSERT_NOTE:
 626                 code = Inset::NOTE_CODE;
 627                 break;
 628         case LFUN_INSERT_LABEL:
 629                 code = Inset::LABEL_CODE;
 630                 break;
 631         case LFUN_INSET_OPTARG:
 632                 code = Inset::OPTARG_CODE;
 633                 break;
 634         case LFUN_ENVIRONMENT_INSERT:
 635                 code = Inset::MINIPAGE_CODE;
 636                 break;
 637         case LFUN_INDEX_INSERT:
 638                 code = Inset::INDEX_CODE;
 639                 break;
 640         case LFUN_INDEX_PRINT:
 641                 code = Inset::INDEX_PRINT_CODE;
 642                 break;
 643         case LFUN_TOC_INSERT:
 644                 code = Inset::TOC_CODE;
 645                 break;
 646         case LFUN_PARENTINSERT:
 647                 code = Inset::PARENT_CODE;
 648                 break;
 649         case LFUN_HTMLURL:
 650         case LFUN_URL:
 651                 code = Inset::URL_CODE;
 652                 break;
 653         case LFUN_QUOTE:
 654                 // always allow this, since we will inset a raw quote
 655                 // if an inset is not allowed.
 656                 break;
 657         case LFUN_HYPHENATION:
 658         case LFUN_LIGATURE_BREAK:
 659         case LFUN_HFILL:
 660         case LFUN_MENU_SEPARATOR:
 661         case LFUN_LDOTS:
 662         case LFUN_END_OF_SENTENCE:
 663                 code = Inset::SPECIALCHAR_CODE;
 664                 break;
 665         case LFUN_PROTECTEDSPACE:
 666                 // slight hack: we know this is allowed in math mode
 667                 if (!mathcursor)
 668                         code = Inset::SPECIALCHAR_CODE;
 669                 break;
 670         default:
 671                 break;
 672         }
 673         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 674                 disable = true;
 675
 676         if (disable)
 677                 flag.disabled(true);
 678
 679         // A few general toggles
 680         switch (ev.action) {
 681         case LFUN_TOOLTIPS_TOGGLE:
 682                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 683                 break;
 684
 685         case LFUN_READ_ONLY_TOGGLE:
 686                 flag.setOnOff(buf->isReadonly());
 687                 break;
 688         case LFUN_APPENDIX:
 689                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 690                 break;
 691         case LFUN_SWITCHBUFFER:
 692                 // toggle on the current buffer, but do not toggle off
 693                 // the other ones (is that a good idea?)
 694                 if (ev.argument == buf->fileName())
 695                         flag.setOnOff(true);
 696                 break;
 697         case LFUN_TRACK_CHANGES:
 698                 flag.setOnOff(buf->params.tracking_changes);
 699                 break;
 700         default:
 701                 break;
 702         }
 703
 704         // the font related toggles
 705         if (!mathcursor) {
 706                 LyXFont const & font = TEXT(false)->real_current_font;
 707                 switch (ev.action) {
 708                 case LFUN_EMPH:
 709                         flag.setOnOff(font.emph() == LyXFont::ON);
 710                         break;
 711                 case LFUN_NOUN:
 712                         flag.setOnOff(font.noun() == LyXFont::ON);
 713                         break;
 714                 case LFUN_BOLD:
 715                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 716                         break;
 717                 case LFUN_SANS:
 718                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 719                         break;
 720                 case LFUN_ROMAN:
 721                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 722                         break;
 723                 case LFUN_CODE:
 724                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 725                         break;
 726                 default:
 727                         break;
 728                 }
 729         } else {
 730                 string tc = mathcursor->getLastCode();
 731                 switch (ev.action) {
 732                 case LFUN_BOLD:
 733                         flag.setOnOff(tc == "mathbf");
 734                         break;
 735                 case LFUN_SANS:
 736                         flag.setOnOff(tc == "mathsf");
 737                         break;
 738                 case LFUN_EMPH:
 739                         flag.setOnOff(tc == "mathcal");
 740                         break;
 741                 case LFUN_ROMAN:
 742                         flag.setOnOff(tc == "mathrm");
 743                         break;
 744                 case LFUN_CODE:
 745                         flag.setOnOff(tc == "mathtt");
 746                         break;
 747                 case LFUN_NOUN:
 748                         flag.setOnOff(tc == "mathbb");
 749                         break;
 750                 case LFUN_DEFAULT:
 751                         flag.setOnOff(tc == "mathnormal");
 752                         break;
 753                 default:
 754                         break;
 755                 }
 756         }
 757
 758         // this one is difficult to get right. As a half-baked
 759         // solution, we consider only the first action of the sequence
 760         if (ev.action == LFUN_SEQUENCE) {
 761                 // argument contains ';'-terminated commands
 762                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 763         }
 764
 765         return flag;
 766 }
 767
 768
 769 void LyXFunc::dispatch(string const & s, bool verbose)
 770 {
 771         int const action = lyxaction.LookupFunc(s);
 772
 773         if (action == LFUN_UNKNOWN_ACTION) {
 774                 owner->message(bformat(_("Unknown function (%1$s)"), s));
 775                 return;
 776         }
 777
 778         dispatch(action, verbose);
 779 }
 780
 781
 782 void LyXFunc::dispatch(int ac, bool verbose)
 783 {
 784         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 785 }
 786
 787
 788
 789 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 790 {
 791         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 792                               <<"] arg[" << ev.argument << ']' << endl;
 793
 794         // we have not done anything wrong yet.
 795         errorstat = false;
 796         dispatch_buffer.erase();
 797
 798 #ifdef NEW_DISPATCHER
 799         // We try do call the most specific dispatcher first:
 800         //  1. the lockinginset's dispatch
 801         //  2. the bufferview's dispatch
 802         //  3. the lyxview's dispatch
 803 #endif
 804
 805         selection_possible = false;
 806
 807         string argument = ev.argument;
 808         kb_action action = ev.action;
 809
 810         // We cannot use this function here
 811         if (getStatus(ev).disabled()) {
 812                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 813                        << lyxaction.getActionName(action)
 814                        << " [" << action << "] is disabled at this location"
 815                        << endl;
 816                 setErrorMessage(getStatusMessage());
 817                 goto exit_with_message;
 818         }
 819
 820         if (view()->available())
 821                 view()->hideCursor();
 822
 823         if (view()->available() && view()->theLockingInset()) {
 824                 Inset::RESULT result;
 825                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 826                                      (!keyseq.deleted())))
 827                 {
 828                         UpdatableInset * inset = view()->theLockingInset();
 829 #if 1
 830                         int inset_x;
 831                         int dummy_y;
 832                         inset->getCursorPos(view(), inset_x, dummy_y);
 833 #endif
 834                         if ((action == LFUN_UNKNOWN_ACTION)
 835                             && argument.empty()) {
 836                                 argument = encoded_last_key;
 837                         }
 838                         // Undo/Redo is a bit tricky for insets.
 839                         if (action == LFUN_UNDO) {
 840                                 view()->undo();
 841                                 goto exit_with_message;
 842                         } else if (action == LFUN_REDO) {
 843                                 view()->redo();
 844                                 goto exit_with_message;
 845                         } else if (((result=inset->
 846                                      // Hand-over to inset's own dispatch:
 847                                      localDispatch(FuncRequest(view(), action, argument))) ==
 848                                     DISPATCHED) ||
 849                                    (result == DISPATCHED_NOUPDATE))
 850                                 goto exit_with_message;
 851                                         // If UNDISPATCHED, just soldier on
 852                         else if (result == FINISHED) {
 853                                 owner->clearMessage();
 854                                 goto exit_with_message;
 855                                 // We do not need special RTL handling here:
 856                                 // FINISHED means that the cursor should be
 857                                 // one position after the inset.
 858                         } else if (result == FINISHED_RIGHT) {
 859                                 TEXT()->cursorRight(view());
 860                                 moveCursorUpdate(true, false);
 861                                 owner->clearMessage();
 862                                 goto exit_with_message;
 863                         } else if (result == FINISHED_UP) {
 864                                 if (TEXT()->cursor.irow() != TEXT()->rows().begin()) {
 865 #if 1
 866                                         TEXT()->setCursorFromCoordinates(
 867                                                 TEXT()->cursor.ix() + inset_x,
 868                                                 TEXT()->cursor.iy() -
 869                                                 TEXT()->cursor.irow()->baseline() - 1);
 870                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 871 #else
 872                                         TEXT()->cursorUp(view());
 873 #endif
 874                                         moveCursorUpdate(true, false);
 875                                 } else {
 876                                         view()->update(TEXT(), BufferView::SELECT);
 877                                 }
 878                                 owner->clearMessage();
 879                                 goto exit_with_message;
 880                         } else if (result == FINISHED_DOWN) {
 881                                 if (boost::next(TEXT()->cursor.irow()) != TEXT()->rows().end()) {
 882 #if 1
 883                                         TEXT()->setCursorFromCoordinates(
 884                                                 TEXT()->cursor.ix() + inset_x,
 885                                                 TEXT()->cursor.iy() -
 886                                                 TEXT()->cursor.irow()->baseline() +
 887                                                 TEXT()->cursor.irow()->height() + 1);
 888                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 889 #else
 890                                         TEXT()->cursorDown(view());
 891 #endif
 892                                 } else {
 893                                         TEXT()->cursorRight(view());
 894                                 }
 895                                 moveCursorUpdate(true, false);
 896                                 owner->clearMessage();
 897                                 goto exit_with_message;
 898                         }
 899 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 900                         else { // result == UNDISPATCHED
 901                                 //setMessage(N_("Text mode"));
 902                                 switch (action) {
 903                                 case LFUN_UNKNOWN_ACTION:
 904                                 case LFUN_BREAKPARAGRAPH:
 905                                 case LFUN_BREAKLINE:
 906                                         TEXT()->cursorRight(view());
 907                                         view()->switchKeyMap();
 908                                         owner->view_state_changed();
 909                                         break;
 910                                 case LFUN_RIGHT:
 911                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 912                                                 TEXT()->cursorRight(view());
 913                                                 moveCursorUpdate(true, false);
 914                                                 owner->view_state_changed();
 915                                         }
 916                                         goto exit_with_message;
 917                                 case LFUN_LEFT:
 918                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 919                                                 TEXT()->cursorRight(view());
 920                                                 moveCursorUpdate(true, false);
 921                                                 owner->view_state_changed();
 922                                         }
 923                                         goto exit_with_message;
 924                                 case LFUN_DOWN:
 925                                         if (boost::next(TEXT()->cursor.row()) != TEXT()->rows().end())
 926                                                 TEXT()->cursorDown(view());
 927                                         else
 928                                                 TEXT()->cursorRight(view());
 929                                         moveCursorUpdate(true, false);
 930                                         owner->view_state_changed();
 931                                         goto exit_with_message;
 932                                 default:
 933                                         break;
 934                                 }
 935                         }
 936                 }
 937         }
 938
 939         switch (action) {
 940
 941         case LFUN_ESCAPE:
 942         {
 943                 if (!view()->available()) break;
 944                 // this function should be used always [asierra060396]
 945                 UpdatableInset * tli =
 946                         view()->theLockingInset();
 947                 if (tli) {
 948                         UpdatableInset * lock = tli->getLockingInset();
 949
 950                         if (tli == lock) {
 951                                 view()->unlockInset(tli);
 952                                 TEXT()->cursorRight(view());
 953                                 moveCursorUpdate(true, false);
 954                                 owner->view_state_changed();
 955                         } else {
 956                                 tli->unlockInsetInInset(view(),
 957                                                         lock,
 958                                                         true);
 959                         }
 960                         finishUndo();
 961                         // Tell the paragraph dialog that we changed paragraph
 962                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 963                 }
 964         }
 965         break;
 966
 967                 // --- Misc -------------------------------------------
 968         case LFUN_WORDFINDFORWARD  :
 969         case LFUN_WORDFINDBACKWARD : {
 970                 static string last_search;
 971                 string searched_string;
 972
 973                 if (!argument.empty()) {
 974                         last_search = argument;
 975                         searched_string = argument;
 976                 } else {
 977                         searched_string = last_search;
 978                 }
 979                 bool fw = (action == LFUN_WORDFINDFORWARD);
 980                 if (!searched_string.empty()) {
 981                         lyxfind::LyXFind(view(), searched_string, fw);
 982                 }
 983         }
 984         break;
 985
 986         case LFUN_PREFIX:
 987         {
 988                 if (view()->available() && !view()->theLockingInset()) {
 989                         view()->update(TEXT(), BufferView::SELECT);
 990                 }
 991                 owner->message(keyseq.printOptions());
 992         }
 993         break;
 994
 995         // --- Misc -------------------------------------------
 996         case LFUN_EXEC_COMMAND:
 997                 owner->focus_command_buffer();
 998                 break;
 999
1000         case LFUN_CANCEL:                   // RVDK_PATCH_5
1001                 keyseq.reset();
1002                 meta_fake_bit = key_modifier::none;
1003                 if (view()->available())
1004                         // cancel any selection
1005                         dispatch(LFUN_MARK_OFF);
1006                 setMessage(N_("Cancel"));
1007                 break;
1008
1009         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
1010         {
1011                 meta_fake_bit = key_modifier::alt;
1012                 setMessage(keyseq.print());
1013         }
1014         break;
1015
1016         case LFUN_READ_ONLY_TOGGLE:
1017                 if (owner->buffer()->lyxvc.inUse()) {
1018                         owner->buffer()->lyxvc.toggleReadOnly();
1019                 } else {
1020                         owner->buffer()->setReadonly(
1021                                 !owner->buffer()->isReadonly());
1022                 }
1023                 break;
1024
1025         case LFUN_CENTER: // this is center and redraw.
1026                 view()->center();
1027                 break;
1028
1029                 // --- Menus -----------------------------------------------
1030         case LFUN_MENUNEW:
1031                 menuNew(argument, false);
1032                 break;
1033
1034         case LFUN_MENUNEWTMPLT:
1035                 menuNew(argument, true);
1036                 break;
1037
1038         case LFUN_CLOSEBUFFER:
1039                 closeBuffer();
1040                 break;
1041
1042         case LFUN_MENUWRITE:
1043                 if (!owner->buffer()->isUnnamed()) {
1044                         string const str = bformat(_("Saving document %1$s..."),
1045                            MakeDisplayPath(owner->buffer()->fileName()));
1046                         owner->message(str);
1047                         MenuWrite(view(), owner->buffer());
1048                         owner->message(str + _(" done."));
1049                 } else
1050                         WriteAs(view(), owner->buffer());
1051                 break;
1052
1053         case LFUN_WRITEAS:
1054                 WriteAs(view(), owner->buffer(), argument);
1055                 break;
1056
1057         case LFUN_MENURELOAD: {
1058                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1059                 string text = bformat(_("Any changes will be lost. Are you sure "
1060                         "you want to revert to the saved version of the document %1$s?"), file);
1061                 int const ret = Alert::prompt(_("Revert to saved document?"),
1062                         text, 0, 1, _("&Revert"), _("&Cancel"));
1063
1064                 if (ret == 0)
1065                         view()->reload();
1066                 break;
1067         }
1068
1069         case LFUN_UPDATE:
1070                 Exporter::Export(owner->buffer(), argument, true);
1071                 break;
1072
1073         case LFUN_PREVIEW:
1074                 Exporter::Preview(owner->buffer(), argument);
1075                 break;
1076
1077         case LFUN_BUILDPROG:
1078                 Exporter::Export(owner->buffer(), "program", true);
1079                 break;
1080
1081         case LFUN_RUNCHKTEX:
1082                 owner->buffer()->runChktex();
1083                 break;
1084
1085         case LFUN_MENUPRINT:
1086                 owner->getDialogs().showPrint();
1087                 break;
1088
1089         case LFUN_EXPORT:
1090                 if (argument == "custom")
1091                         owner->getDialogs().showSendto();
1092                 else
1093                         Exporter::Export(owner->buffer(), argument, false);
1094                 break;
1095
1096         case LFUN_IMPORT:
1097                 doImport(argument);
1098                 break;
1099
1100         case LFUN_QUIT:
1101                 QuitLyX();
1102                 break;
1103
1104         case LFUN_TOCVIEW:
1105         {
1106                 InsetCommandParams p("tableofcontents");
1107                 string const data = InsetCommandMailer::params2string("toc", p);
1108                 owner->getDialogs().show("toc", data, 0);
1109                 break;
1110         }
1111
1112         case LFUN_AUTOSAVE:
1113                 AutoSave(view());
1114                 break;
1115
1116         case LFUN_UNDO:
1117                 view()->undo();
1118                 break;
1119
1120         case LFUN_REDO:
1121                 view()->redo();
1122                 break;
1123
1124         case LFUN_MENUSEARCH:
1125                 owner->getDialogs().showSearch();
1126                 break;
1127
1128         case LFUN_REMOVEERRORS:
1129                 if (view()->removeAutoInsets()) {
1130 #warning repaint() or update() or nothing ?
1131                         view()->repaint();
1132                         view()->fitCursor();
1133                 }
1134                 break;
1135
1136         case LFUN_DEPTH_MIN:
1137                 changeDepth(view(), TEXT(false), DEC_DEPTH, false);
1138                 owner->view_state_changed();
1139                 break;
1140
1141         case LFUN_DEPTH_PLUS:
1142                 changeDepth(view(), TEXT(false), INC_DEPTH, false);
1143                 owner->view_state_changed();
1144                 break;
1145
1146         case LFUN_FREEFONT_APPLY:
1147                 apply_freefont(view());
1148                 break;
1149
1150         case LFUN_FREEFONT_UPDATE:
1151                 update_and_apply_freefont(view(), argument);
1152                 break;
1153
1154         case LFUN_RECONFIGURE:
1155                 Reconfigure(view());
1156                 break;
1157
1158 #if 0
1159         case LFUN_FLOATSOPERATE:
1160                 if (argument == "openfoot")
1161                         view()->allFloats(1,0);
1162                 else if (argument == "closefoot")
1163                         view()->allFloats(0,0);
1164                 else if (argument == "openfig")
1165                         view()->allFloats(1,1);
1166                 else if (argument == "closefig")
1167                         view()->allFloats(0,1);
1168                 break;
1169 #else
1170 #ifdef WITH_WARNINGS
1171 //#warning Find another implementation here (or another lyxfunc)!
1172 #endif
1173 #endif
1174         case LFUN_HELP_ABOUTLYX:
1175                 owner->getDialogs().show("about");
1176                 break;
1177
1178         case LFUN_HELP_TEXINFO:
1179                 owner->getDialogs().showTexinfo();
1180                 break;
1181
1182         case LFUN_HELP_OPEN:
1183         {
1184                 string const arg = argument;
1185                 if (arg.empty()) {
1186                         setErrorMessage(N_("Missing argument"));
1187                         break;
1188                 }
1189                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1190                 if (fname.empty()) {
1191                         lyxerr << "LyX: unable to find documentation file `"
1192                                << arg << "'. Bad installation?" << endl;
1193                         break;
1194                 }
1195                 owner->message(bformat(_("Opening help file %1$s..."),
1196                         MakeDisplayPath(fname)));
1197                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1198                 break;
1199         }
1200
1201                 // --- version control -------------------------------
1202         case LFUN_VC_REGISTER:
1203         {
1204                 if (!owner->buffer()->lyxvc.inUse())
1205                         owner->buffer()->lyxvc.registrer();
1206         }
1207         break;
1208
1209         case LFUN_VC_CHECKIN:
1210         {
1211                 if (owner->buffer()->lyxvc.inUse()
1212                     && !owner->buffer()->isReadonly())
1213                         owner->buffer()->lyxvc.checkIn();
1214         }
1215         break;
1216
1217         case LFUN_VC_CHECKOUT:
1218         {
1219                 if (owner->buffer()->lyxvc.inUse()
1220                     && owner->buffer()->isReadonly())
1221                         owner->buffer()->lyxvc.checkOut();
1222         }
1223         break;
1224
1225         case LFUN_VC_REVERT:
1226         {
1227                 owner->buffer()->lyxvc.revert();
1228         }
1229         break;
1230
1231         case LFUN_VC_UNDO:
1232         {
1233                 owner->buffer()->lyxvc.undoLast();
1234         }
1235         break;
1236
1237         case LFUN_VC_HISTORY:
1238         {
1239                 owner->getDialogs().show("vclog");
1240                 break;
1241         }
1242
1243         // --- buffers ----------------------------------------
1244
1245         case LFUN_SWITCHBUFFER:
1246                 view()->buffer(bufferlist.getBuffer(argument));
1247                 break;
1248
1249         case LFUN_FILE_NEW:
1250         {
1251                 // servercmd: argument must be <file>:<template>
1252                 Buffer * tmpbuf = NewFile(argument);
1253                 if (tmpbuf)
1254                         view()->buffer(tmpbuf);
1255         }
1256         break;
1257
1258         case LFUN_FILE_OPEN:
1259                 open(argument);
1260                 break;
1261
1262         case LFUN_LATEX_LOG:
1263                 owner->getDialogs().show("log");
1264                 break;
1265
1266         case LFUN_LAYOUT_DOCUMENT:
1267                 owner->getDialogs().showDocument();
1268                 break;
1269
1270         case LFUN_LAYOUT_CHARACTER: {
1271                 string data = freefont2string();
1272                 if (!data.empty())
1273                         owner->getDialogs().show("character", data);
1274                 break;
1275         }
1276
1277         case LFUN_LAYOUT_TABULAR:
1278             if (view()->theLockingInset()) {
1279                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1280                     InsetTabular * inset = static_cast<InsetTabular *>
1281                         (view()->theLockingInset());
1282                     inset->openLayoutDialog(view());
1283                 } else if (view()->theLockingInset()->
1284                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1285                     InsetTabular * inset = static_cast<InsetTabular *>(
1286                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1287                     inset->openLayoutDialog(view());
1288                 }
1289             }
1290             break;
1291
1292         case LFUN_LAYOUT_PREAMBLE:
1293                 owner->getDialogs().showPreamble();
1294                 break;
1295
1296         case LFUN_DROP_LAYOUTS_CHOICE:
1297                 owner->getToolbar().openLayoutList();
1298                 break;
1299
1300         case LFUN_MENU_OPEN_BY_NAME:
1301                 owner->getMenubar().openByName(argument);
1302                 break; // RVDK_PATCH_5
1303
1304         case LFUN_SPELLCHECK:
1305                 owner->getDialogs().showSpellchecker();
1306                 break;
1307
1308         // --- lyxserver commands ----------------------------
1309
1310
1311         case LFUN_GETNAME:
1312                 setMessage(owner->buffer()->fileName());
1313                 lyxerr[Debug::INFO] << "FNAME["
1314                                << owner->buffer()->fileName()
1315                                << "] " << endl;
1316                 break;
1317
1318         case LFUN_NOTIFY:
1319         {
1320                 dispatch_buffer = keyseq.print();
1321                 lyxserver->notifyClient(dispatch_buffer);
1322         }
1323         break;
1324
1325         case LFUN_GOTOFILEROW:
1326         {
1327                 string file_name;
1328                 int row;
1329                 istringstream istr(argument.c_str());
1330                 istr >> file_name >> row;
1331                 // Must replace extension of the file to be .lyx and get full path
1332                 string const s(ChangeExtension(file_name, ".lyx"));
1333
1334                 // Either change buffer or load the file
1335                 if (bufferlist.exists(s)) {
1336                         view()->buffer(bufferlist.getBuffer(s));
1337                 } else {
1338                         view()->buffer(bufferlist.loadLyXFile(s));
1339                 }
1340
1341                 view()->setCursorFromRow(row);
1342
1343                 view()->center();
1344                 // see BufferView_pimpl::center()
1345                 view()->updateScrollbar();
1346         }
1347         break;
1348
1349         case LFUN_GOTO_PARAGRAPH:
1350         {
1351                 istringstream istr(argument.c_str());
1352
1353                 int id;
1354                 istr >> id;
1355                 Paragraph * par = &*owner->buffer()->getParFromID(id);
1356                 if (par == 0) {
1357                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1358                                             << id << ']' << endl;
1359                         break;
1360                 } else {
1361                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1362                                             << " found." << endl;
1363                 }
1364
1365                 if (view()->theLockingInset())
1366                         view()->unlockInset(view()->theLockingInset());
1367                 if (par->inInset()) {
1368                         par->inInset()->edit(view());
1369                 }
1370                 // Set the cursor
1371                 view()->getLyXText()->setCursor(par, 0);
1372                 view()->switchKeyMap();
1373                 owner->view_state_changed();
1374
1375                 view()->center();
1376                 // see BufferView_pimpl::center()
1377                 view()->updateScrollbar();
1378         }
1379         break;
1380
1381         // --- insert characters ----------------------------------------
1382
1383         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1384         case LFUN_MATH_EXTERN:
1385         case LFUN_MATH_NUMBER:
1386         case LFUN_MATH_NONUMBER:
1387         case LFUN_MATH_LIMITS:
1388         {
1389                 setErrorMessage(N_("This is only allowed in math mode!"));
1390         }
1391         break;
1392
1393         // passthrough hat and underscore outside mathed:
1394         case LFUN_SUBSCRIPT:
1395                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1396                 break;
1397         case LFUN_SUPERSCRIPT:
1398                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1399                 break;
1400
1401         case LFUN_MATH_PANEL:
1402                 owner->getDialogs().showMathPanel();
1403                 break;
1404
1405         case LFUN_DIALOG_SHOW_NEW_INSET: {
1406                 string const & name = argument;
1407                 string data;
1408                 if (name == "bibitem" ||
1409                     name == "bibtex" ||
1410                     name == "include" ||
1411                     name == "index" ||
1412                     name == "ref" ||
1413                     name == "toc" ||
1414                     name == "url") {
1415                         InsetCommandParams p(name);
1416                         data = InsetCommandMailer::params2string(name, p);
1417                 } else if (name == "citation") {
1418                         InsetCommandParams p("cite");
1419                         data = InsetCommandMailer::params2string(name, p);
1420                 }
1421                 owner->getDialogs().show(name, data, 0);
1422         }
1423         break;
1424
1425         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1426         }
1427         break;
1428
1429         case LFUN_DIALOG_UPDATE: {
1430                 string const & name = argument;
1431                 // Can only update a dialog connected to an existing inset
1432                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1433                 if (inset) {
1434                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1435                                        ev.argument);
1436                         inset->localDispatch(fr);
1437                 } else if (name == "paragraph") {
1438                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1439                 }
1440         }
1441         break;
1442
1443         case LFUN_DIALOG_HIDE:
1444                 Dialogs::hide(argument, 0);
1445                 break;
1446
1447         case LFUN_DIALOG_DISCONNECT_INSET:
1448                 owner->getDialogs().disconnect(argument);
1449                 break;
1450
1451         case LFUN_CHILDOPEN:
1452         {
1453                 string const filename =
1454                         MakeAbsPath(argument,
1455                                     owner->buffer()->filePath());
1456                 setMessage(N_("Opening child document ") +
1457                            MakeDisplayPath(filename) + "...");
1458                 view()->savePosition(0);
1459                 if (bufferlist.exists(filename))
1460                         view()->buffer(bufferlist.getBuffer(filename));
1461                 else
1462                         view()->buffer(bufferlist.loadLyXFile(filename));
1463         }
1464         break;
1465
1466         case LFUN_TOGGLECURSORFOLLOW:
1467                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1468                 break;
1469
1470         case LFUN_KMAP_OFF:
1471                 owner->getIntl().KeyMapOn(false);
1472                 break;
1473
1474         case LFUN_KMAP_PRIM:
1475                 owner->getIntl().KeyMapPrim();
1476                 break;
1477
1478         case LFUN_KMAP_SEC:
1479                 owner->getIntl().KeyMapSec();
1480                 break;
1481
1482         case LFUN_KMAP_TOGGLE:
1483                 owner->getIntl().ToggleKeyMap();
1484                 break;
1485
1486         case LFUN_SEQUENCE:
1487         {
1488                 // argument contains ';'-terminated commands
1489                 while (!argument.empty()) {
1490                         string first;
1491                         argument = split(argument, first, ';');
1492                         dispatch(first);
1493                 }
1494         }
1495         break;
1496
1497         case LFUN_DIALOG_PREFERENCES:
1498                 owner->getDialogs().showPreferences();
1499                 break;
1500
1501         case LFUN_SAVEPREFERENCES:
1502         {
1503                 Path p(user_lyxdir);
1504                 lyxrc.write("preferences");
1505         }
1506         break;
1507
1508         case LFUN_SCREEN_FONT_UPDATE:
1509         {
1510                 // handle the screen font changes.
1511                 lyxrc.set_font_norm_type();
1512                 lyx_gui::update_fonts();
1513                 // We also need to empty the textcache so that
1514                 // the buffer will be formatted correctly after
1515                 // a zoom change.
1516                 textcache.clear();
1517                 // Of course we should only do the resize and the textcache.clear
1518                 // if values really changed...but not very important right now. (Lgb)
1519                 // All visible buffers will need resize
1520                 view()->resize();
1521                 view()->repaint();
1522         }
1523         break;
1524
1525         case LFUN_SET_COLOR:
1526         {
1527                 string lyx_name;
1528                 string const x11_name = split(argument, lyx_name, ' ');
1529                 if (lyx_name.empty() || x11_name.empty()) {
1530                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1531                                                 " <x11_name>"));
1532                         break;
1533                         }
1534
1535                 bool const graphicsbg_changed =
1536                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1537                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1538
1539                 if (!lcolor.setColor(lyx_name, x11_name)) {
1540                         setErrorMessage(
1541                                 bformat(_("Set-color \"%1$s\" failed "
1542                                                   "- color is undefined or "
1543                                                   "may not be redefined"), lyx_name));
1544                         break;
1545                 }
1546
1547                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1548
1549                 if (graphicsbg_changed) {
1550 #ifdef WITH_WARNINGS
1551 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1552 #endif
1553 #if 0
1554                         grfx::GCache & gc = grfx::GCache::get();
1555                         gc.changeDisplay(true);
1556 #endif
1557                 }
1558
1559                 view()->repaint();
1560                 break;
1561         }
1562
1563         case LFUN_MESSAGE:
1564                 owner->message(argument);
1565                 break;
1566
1567         case LFUN_FORKS_SHOW:
1568                 owner->getDialogs().showForks();
1569                 break;
1570
1571         case LFUN_FORKS_KILL:
1572         {
1573                 if (!isStrInt(argument))
1574                         break;
1575
1576                 pid_t const pid = strToInt(argument);
1577                 ForkedcallsController & fcc = ForkedcallsController::get();
1578                 fcc.kill(pid);
1579                 break;
1580         }
1581
1582         case LFUN_TOOLTIPS_TOGGLE:
1583                 owner->getDialogs().toggleTooltips();
1584                 break;
1585
1586         default:
1587                 // Then if it was none of the above
1588                 // Trying the BufferView::pimpl dispatch:
1589                 if (!view()->dispatch(ev))
1590                         lyxerr << "A truly unknown func ["
1591                                << lyxaction.getActionName(ev.action) << "]!"
1592                                << endl;
1593                 break;
1594         } // end of switch
1595
1596 exit_with_message:
1597
1598         view()->owner()->updateLayoutChoice();
1599
1600         if (view()->available()) {
1601                 view()->fitCursor();
1602
1603                 // If we executed a mutating lfun, mark the buffer as dirty
1604                 if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)
1605                     && !lyxaction.funcHasFlag(ev.action, LyXAction::ReadOnly))
1606                         view()->buffer()->markDirty();
1607         }
1608
1609         sendDispatchMessage(getMessage(), ev, verbose);
1610 }
1611
1612
1613 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1614 {
1615         owner->updateMenubar();
1616         owner->updateToolbar();
1617
1618         if (ev.action == LFUN_SELFINSERT || !verbose) {
1619                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1620                 if (!msg.empty())
1621                         owner->message(msg);
1622                 return;
1623         }
1624
1625         string dispatch_msg = msg;
1626         if (!dispatch_msg.empty())
1627                 dispatch_msg += ' ';
1628
1629         string comname = lyxaction.getActionName(ev.action);
1630
1631         int pseudoaction = ev.action;
1632         bool argsadded = false;
1633
1634         if (!ev.argument.empty()) {
1635                 // the pseudoaction is useful for the bindings
1636                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1637
1638                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1639                         pseudoaction = ev.action;
1640                 } else {
1641                         comname += ' ' + ev.argument;
1642                         argsadded = true;
1643                 }
1644         }
1645
1646         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1647
1648         if (!shortcuts.empty()) {
1649                 comname += ": " + shortcuts;
1650         } else if (!argsadded && !ev.argument.empty()) {
1651                 comname += ' ' + ev.argument;
1652         }
1653
1654         if (!comname.empty()) {
1655                 comname = rtrim(comname);
1656                 dispatch_msg += '(' + comname + ')';
1657         }
1658
1659         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1660         if (!dispatch_msg.empty())
1661                 owner->message(dispatch_msg);
1662 }
1663
1664
1665 void LyXFunc::setupLocalKeymap()
1666 {
1667         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1668         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1669 }
1670
1671
1672 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1673 {
1674         string initpath = lyxrc.document_path;
1675         string filename(name);
1676
1677         if (view()->available()) {
1678                 string const trypath = owner->buffer()->filePath();
1679                 // If directory is writeable, use this as default.
1680                 if (IsDirWriteable(trypath))
1681                         initpath = trypath;
1682         }
1683
1684         static int newfile_number;
1685
1686         if (filename.empty()) {
1687                 filename = AddName(lyxrc.document_path,
1688                             "newfile" + tostr(++newfile_number) + ".lyx");
1689                 FileInfo fi(filename);
1690                 while (bufferlist.exists(filename) || fi.readable()) {
1691                         ++newfile_number;
1692                         filename = AddName(lyxrc.document_path,
1693                                     "newfile" + tostr(newfile_number) +
1694                                     ".lyx");
1695                         fi.newFile(filename);
1696                 }
1697         }
1698
1699         // The template stuff
1700         string templname;
1701         if (fromTemplate) {
1702                 FileDialog fileDlg(_("Select template file"),
1703                         LFUN_SELECT_FILE_SYNC,
1704                         make_pair(string(_("Documents|#o#O")),
1705                                   string(lyxrc.document_path)),
1706                         make_pair(string(_("Templates|#T#t")),
1707                                   string(lyxrc.template_path)));
1708
1709                 FileDialog::Result result =
1710                         fileDlg.open(lyxrc.template_path,
1711                                        _("*.lyx| LyX Documents (*.lyx)"));
1712
1713                 if (result.first == FileDialog::Later)
1714                         return;
1715
1716                 string const fname = result.second;
1717
1718                 if (fname.empty())
1719                         return;
1720                 templname = fname;
1721         }
1722
1723         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1724 }
1725
1726
1727 void LyXFunc::open(string const & fname)
1728 {
1729         string initpath = lyxrc.document_path;
1730
1731         if (view()->available()) {
1732                 string const trypath = owner->buffer()->filePath();
1733                 // If directory is writeable, use this as default.
1734                 if (IsDirWriteable(trypath))
1735                         initpath = trypath;
1736         }
1737
1738         string filename;
1739
1740         if (fname.empty()) {
1741                 FileDialog fileDlg(_("Select document to open"),
1742                         LFUN_FILE_OPEN,
1743                         make_pair(string(_("Documents|#o#O")),
1744                                   string(lyxrc.document_path)),
1745                         make_pair(string(_("Examples|#E#e")),
1746                                   string(AddPath(system_lyxdir, "examples"))));
1747
1748                 FileDialog::Result result =
1749                         fileDlg.open(initpath,
1750                                        _("*.lyx| LyX Documents (*.lyx)"));
1751
1752                 if (result.first == FileDialog::Later)
1753                         return;
1754
1755                 filename = result.second;
1756
1757                 // check selected filename
1758                 if (filename.empty()) {
1759                         owner->message(_("Canceled."));
1760                         return;
1761                 }
1762         } else
1763                 filename = fname;
1764
1765         // get absolute path of file and add ".lyx" to the filename if
1766         // necessary
1767         string const fullpath = FileSearch(string(), filename, "lyx");
1768         if (!fullpath.empty()) {
1769                 filename = fullpath;
1770         }
1771
1772         string const disp_fn(MakeDisplayPath(filename));
1773
1774         // if the file doesn't exist, let the user create one
1775         FileInfo const f(filename, true);
1776         if (!f.exist()) {
1777                 // the user specifically chose this name. Believe them.
1778                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1779                 view()->buffer(buffer);
1780                 return;
1781         }
1782
1783         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1784
1785         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1786         string str2;
1787         if (openbuf) {
1788                 view()->buffer(openbuf);
1789                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1790         } else {
1791                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1792         }
1793         owner->message(str2);
1794 }
1795
1796
1797 void LyXFunc::doImport(string const & argument)
1798 {
1799         string format;
1800         string filename = split(argument, format, ' ');
1801
1802         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1803                             << " file: " << filename << endl;
1804
1805         // need user interaction
1806         if (filename.empty()) {
1807                 string initpath = lyxrc.document_path;
1808
1809                 if (view()->available()) {
1810                         string const trypath = owner->buffer()->filePath();
1811                         // If directory is writeable, use this as default.
1812                         if (IsDirWriteable(trypath))
1813                                 initpath = trypath;
1814                 }
1815
1816                 string const text = bformat(_("Select %1$s file to import"),
1817                         formats.prettyName(format));
1818
1819                 FileDialog fileDlg(text,
1820                         LFUN_IMPORT,
1821                         make_pair(string(_("Documents|#o#O")),
1822                                   string(lyxrc.document_path)),
1823                         make_pair(string(_("Examples|#E#e")),
1824                                   string(AddPath(system_lyxdir, "examples"))));
1825
1826                 string const extension = "*." + formats.extension(format)
1827                         + "| " + formats.prettyName(format)
1828                         + " (*." + formats.extension(format) + ')';
1829
1830                 FileDialog::Result result = fileDlg.open(initpath,
1831                                                            extension);
1832
1833                 if (result.first == FileDialog::Later)
1834                         return;
1835
1836                 filename = result.second;
1837
1838                 // check selected filename
1839                 if (filename.empty())
1840                         owner->message(_("Canceled."));
1841         }
1842
1843         if (filename.empty())
1844                 return;
1845
1846         // get absolute path of file
1847         filename = MakeAbsPath(filename);
1848
1849         string const lyxfile = ChangeExtension(filename, ".lyx");
1850
1851         // Check if the document already is open
1852         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1853                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1854                         owner->message(_("Canceled."));
1855                         return;
1856                 }
1857         }
1858
1859         // if the file exists already, and we didn't do
1860         // -i lyx thefile.lyx, warn
1861         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1862                 string const file = MakeDisplayPath(lyxfile, 30);
1863
1864                 string text = bformat(_("The document %1$s already exists.\n\n"
1865                         "Do you want to over-write that document?"), file);
1866                 int const ret = Alert::prompt(_("Over-write document?"),
1867                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1868
1869                 if (ret == 1) {
1870                         owner->message(_("Canceled."));
1871                         return;
1872                 }
1873         }
1874
1875         Importer::Import(owner, filename, format);
1876 }
1877
1878
1879 void LyXFunc::closeBuffer()
1880 {
1881         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1882                 if (bufferlist.empty()) {
1883                         // need this otherwise SEGV may occur while trying to
1884                         // set variables that don't exist
1885                         // since there's no current buffer
1886                         owner->getDialogs().hideBufferDependent();
1887                 } else {
1888                         view()->buffer(bufferlist.first());
1889                 }
1890         }
1891 }
1892
1893
1894 // Each "owner" should have it's own message method. lyxview and
1895 // the minibuffer would use the minibuffer, but lyxserver would
1896 // send an ERROR signal to its client.  Alejandro 970603
1897 // This func is bit problematic when it comes to NLS, to make the
1898 // lyx servers client be language indepenent we must not translate
1899 // strings sent to this func.
1900 void LyXFunc::setErrorMessage(string const & m) const
1901 {
1902         dispatch_buffer = m;
1903         errorstat = true;
1904 }
1905
1906
1907 void LyXFunc::setMessage(string const & m) const
1908 {
1909         dispatch_buffer = m;
1910 }
1911
1912
1913 void LyXFunc::setStatusMessage(string const & m) const
1914 {
1915         status_buffer = m;
1916 }
1917
1918
1919 string const LyXFunc::view_status_message()
1920 {
1921         // When meta-fake key is pressed, show the key sequence so far + "M-".
1922         if (wasMetaKey()) {
1923                 return keyseq.print() + "M-";
1924         }
1925
1926         // Else, when a non-complete key sequence is pressed,
1927         // show the available options.
1928         if (keyseq.length() > 0 && !keyseq.deleted()) {
1929                 return keyseq.printOptions();
1930         }
1931
1932         if (!view()->available())
1933                 return _("Welcome to LyX!");
1934
1935         return currentState(view());
1936 }
1937
1938
1939 BufferView * LyXFunc::view() const
1940 {
1941         lyx::Assert(owner);
1942         return owner->view().get();
1943 }