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 "buffer.h"
  19 #include "BufferView.h"
  20 #include "lyxserver.h"
  21 #include "intl.h"
  22 #include "lyx_main.h"
  23 #include "lyx_cb.h"
  24 #include "LyXAction.h"
  25 #include "debug.h"
  26 #include "lyxrc.h"
  27 #include "lyxtext.h"
  28 #include "gettext.h"
  29 #include "Lsstream.h"
  30 #include "trans_mgr.h"
  31 #include "encoding.h"
  32 #include "layout.h"
  33 #include "bufferview_funcs.h"
  34 #include "frontends/LyXView.h"
  35 #include "frontends/lyx_gui.h"
  36 #include "vspace.h"
  37 #include "FloatList.h"
  38 #include "format.h"
  39 #include "exporter.h"
  40 #include "importer.h"
  41 #include "TextCache.h"
  42 #include "lyxfind.h"
  43 #include "undo_funcs.h"
  44 #include "ParagraphParameters.h"
  45
  46 #include "insets/insetcommand.h"
  47 #include "insets/insettabular.h"
  48
  49 #include "mathed/formulamacro.h"
  50 #include "mathed/math_cursor.h"
  51 #include "mathed/math_inset.h"
  52
  53 #include "frontends/FileDialog.h"
  54 #include "frontends/Dialogs.h"
  55 #include "frontends/Toolbar.h"
  56 #include "frontends/Menubar.h"
  57 #include "frontends/Alert.h"
  58
  59 #include "graphics/GraphicsCache.h"
  60
  61 #include "support/lyxalgo.h"
  62 #include "support/LAssert.h"
  63 #include "support/filetools.h"
  64 #include "support/FileInfo.h"
  65 #include "support/forkedcontr.h"
  66 #include "support/lstrings.h"
  67 #include "support/tostr.h"
  68 #include "support/path.h"
  69 #include "support/lyxfunctional.h"
  70
  71 #include <ctime>
  72 #include <clocale>
  73 #include <cstdlib>
  74 #include <cctype>
  75
  76 #include <utility>
  77 #include <algorithm>
  78
  79 using std::pair;
  80 using std::make_pair;
  81 using std::endl;
  82 using std::find_if;
  83 using std::vector;
  84 using std::transform;
  85 using std::back_inserter;
  86 using namespace bv_funcs;
  87
  88 extern BufferList bufferlist;
  89 extern LyXServer * lyxserver;
  90 extern bool selection_possible;
  91
  92 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
  93
  94 // (alkis)
  95 extern tex_accent_struct get_accent(kb_action action);
  96
  97 extern void ShowLatexLog();
  98
  99
 100 LyXFunc::LyXFunc(LyXView * o)
 101         : owner(o),
 102         encoded_last_key(0),
 103         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 104         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 105         meta_fake_bit(key_modifier::none)
 106 {
 107 }
 108
 109
 110 inline
 111 LyXText * LyXFunc::TEXT(bool flag = true) const
 112 {
 113         if (flag)
 114                 return view()->text;
 115         return view()->getLyXText();
 116 }
 117
 118
 119 inline
 120 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 121 {
 122         if (selecting || TEXT(flag)->selection.mark()) {
 123                 TEXT(flag)->setSelection();
 124                 if (!TEXT(flag)->isInInset())
 125                     view()->toggleToggle();
 126         }
 127         view()->update(TEXT(flag), BufferView::SELECT);
 128
 129         view()->switchKeyMap();
 130 }
 131
 132
 133 void LyXFunc::handleKeyFunc(kb_action action)
 134 {
 135         char c = encoded_last_key;
 136
 137         if (keyseq.length()) {
 138                 c = 0;
 139         }
 140
 141         owner->getIntl().getTransManager()
 142                 .deadkey(c, get_accent(action).accent, TEXT(false));
 143         // Need to clear, in case the minibuffer calls these
 144         // actions
 145         keyseq.clear();
 146         // copied verbatim from do_accent_char
 147         view()->update(TEXT(false), BufferView::SELECT);
 148         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 149 }
 150
 151
 152 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 153                             key_modifier::state state)
 154 {
 155         string argument;
 156
 157         if (lyxerr.debugging(Debug::KEY)) {
 158                 lyxerr << "KeySym is "
 159                        << keysym->getSymbolName()
 160                        << endl;
 161         }
 162
 163         // Do nothing if we have nothing (JMarc)
 164         if (!keysym->isOK()) {
 165                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 166                                    << endl;
 167                 return;
 168         }
 169
 170         if (keysym->isModifier()) {
 171                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 172                 return;
 173         }
 174
 175         Encoding const * encoding = view()->getEncoding();
 176
 177         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 178
 179         // Do a one-deep top-level lookup for
 180         // cancel and meta-fake keys. RVDK_PATCH_5
 181         cancel_meta_seq.reset();
 182
 183         int action = cancel_meta_seq.addkey(keysym, state);
 184         lyxerr[Debug::KEY] << "action first set to [" << action << ']' << endl;
 185
 186         // When not cancel or meta-fake, do the normal lookup.
 187         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 188         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 189         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 190                 // remove Caps Lock and Mod2 as a modifiers
 191                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 192                 lyxerr[Debug::KEY] << "action now set to ["
 193                         << action << ']' << endl;
 194         }
 195
 196         // Dont remove this unless you know what you are doing.
 197         meta_fake_bit = key_modifier::none;
 198
 199         // can this happen now ?
 200         if (action == LFUN_NOACTION) {
 201                 action = LFUN_PREFIX;
 202         }
 203
 204         if (lyxerr.debugging(Debug::KEY)) {
 205                 lyxerr << "Key [action="
 206                        << action << "]["
 207                        << keyseq.print() << ']'
 208                        << endl;
 209         }
 210
 211         // already here we know if it any point in going further
 212         // why not return already here if action == -1 and
 213         // num_bytes == 0? (Lgb)
 214
 215         if (keyseq.length() > 1) {
 216                 owner->message(keyseq.print());
 217         }
 218
 219
 220         // Maybe user can only reach the key via holding down shift.
 221         // Let's see. But only if shift is the only modifier
 222         if (action == LFUN_UNKNOWN_ACTION && state == key_modifier::shift) {
 223                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 224                 action = keyseq.addkey(keysym, key_modifier::none);
 225                 lyxerr[Debug::KEY] << "Action now " << action << endl;
 226         }
 227
 228         if (action == LFUN_UNKNOWN_ACTION) {
 229                 // Hmm, we didn't match any of the keysequences. See
 230                 // if it's normal insertable text not already covered
 231                 // by a binding
 232                 if (keysym->isText() && keyseq.length() == 1) {
 233                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 234                         action = LFUN_SELFINSERT;
 235                 } else {
 236                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 237                         owner->message(_("Unknown function."));
 238                         return;
 239                 }
 240         }
 241
 242         if (action == LFUN_SELFINSERT) {
 243                 if (encoded_last_key != 0) {
 244                         string arg;
 245                         arg += encoded_last_key;
 246
 247                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 248
 249                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 250                                    << argument << "']" << endl;
 251                 }
 252         } else {
 253                 dispatch(action);
 254         }
 255 }
 256
 257
 258 FuncStatus LyXFunc::getStatus(int ac) const
 259 {
 260         return getStatus(lyxaction.retrieveActionArg(ac));
 261 }
 262
 263
 264 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 265 {
 266         FuncStatus flag;
 267         Buffer * buf = owner->buffer();
 268
 269         if (ev.action == LFUN_NOACTION) {
 270                 setStatusMessage(N_("Nothing to do"));
 271                 return flag.disabled(true);
 272         }
 273
 274         switch (ev.action) {
 275         case LFUN_UNKNOWN_ACTION:
 276 #ifndef HAVE_LIBAIKSAURUS
 277         case LFUN_THESAURUS_ENTRY:
 278 #endif
 279                 flag.unknown(true);
 280                 break;
 281         default:
 282                 flag |= lyx_gui::getStatus(ev);
 283         }
 284
 285         if (flag.unknown()) {
 286                 setStatusMessage(N_("Unknown action"));
 287                 return flag;
 288         }
 289
 290         // the default error message if we disable the command
 291         setStatusMessage(N_("Command disabled"));
 292
 293         // Check whether we need a buffer
 294         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 295                 // Yes we need a buffer, do we have one?
 296                 if (buf) {
 297                         // yes
 298                         // Can we use a readonly buffer?
 299                         if (buf->isReadonly() &&
 300                             !lyxaction.funcHasFlag(ev.action,
 301                                                    LyXAction::ReadOnly)) {
 302                                 // no
 303                                 setStatusMessage(N_("Document is read-only"));
 304                                 flag.disabled(true);
 305                         }
 306                 } else {
 307                         // no
 308                         setStatusMessage(N_("Command not allowed with"
 309                                            "out any document open"));
 310                         return flag.disabled(true);
 311                 }
 312         }
 313
 314         UpdatableInset * tli = view()->theLockingInset();
 315
 316         // I would really like to avoid having this switch and rather try to
 317         // encode this in the function itself.
 318         bool disable = false;
 319         switch (ev.action) {
 320         case LFUN_MENUPRINT:
 321                 disable = !Exporter::IsExportable(buf, "dvi")
 322                         || lyxrc.print_command == "none";
 323                 break;
 324         case LFUN_EXPORT:
 325                 disable = ev.argument != "custom"
 326                         && !Exporter::IsExportable(buf, ev.argument);
 327                 break;
 328         case LFUN_UNDO:
 329                 disable = buf->undostack.empty();
 330                 break;
 331         case LFUN_REDO:
 332                 disable = buf->redostack.empty();
 333                 break;
 334         case LFUN_CUT:
 335         case LFUN_COPY:
 336                 if (tli) {
 337                         UpdatableInset * in = tli;
 338                         if (in->lyxCode() != Inset::TABULAR_CODE) {
 339                                 in = tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
 340                         }
 341                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 342                                 disable = false;
 343                                 break;
 344                         }
 345                 }
 346                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 347                 break;
 348         case LFUN_RUNCHKTEX:
 349                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 350                 break;
 351         case LFUN_BUILDPROG:
 352                 disable = !Exporter::IsExportable(buf, "program");
 353                 break;
 354
 355         case LFUN_LAYOUT_CHARACTER:
 356                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 357                 break;
 358
 359         case LFUN_LAYOUT_TABULAR:
 360                 disable = !tli
 361                         || (tli->lyxCode() != Inset::TABULAR_CODE
 362                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 363                 break;
 364
 365         case LFUN_DEPTH_MIN:
 366                 disable = !changeDepth(view(), TEXT(false), DEC_DEPTH, true);
 367                 break;
 368
 369         case LFUN_DEPTH_PLUS:
 370                 disable = !changeDepth(view(), TEXT(false), INC_DEPTH, true);
 371                 break;
 372
 373         case LFUN_LAYOUT:
 374         case LFUN_LAYOUT_PARAGRAPH: {
 375                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 376                 disable = inset && inset->forceDefaultParagraphs(inset);
 377                 break;
 378         }
 379
 380         case LFUN_INSET_OPTARG:
 381                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
 382                 break;
 383
 384         case LFUN_TABULAR_FEATURE:
 385                 if (mathcursor) {
 386 #if 0
 387                         // FIXME: check temporarily disabled
 388                         // valign code
 389                         char align = mathcursor->valign();
 390                         if (align == '\0') {
 391                                 disable = true;
 392                                 break;
 393                         }
 394                         if (ev.argument.empty()) {
 395                                 flag.clear();
 396                                 break;
 397                         }
 398                         if (!contains("tcb", ev.argument[0])) {
 399                                 disable = true;
 400                                 break;
 401                         }
 402                         flag.setOnOff(ev.argument[0] == align);
 403                 } else
 404                         disable = true;
 405
 406                         char align = mathcursor->halign();
 407                         if (align == '\0') {
 408                                 disable = true;
 409                                 break;
 410                         }
 411                         if (ev.argument.empty()) {
 412                                 flag.clear();
 413                                 break;
 414                         }
 415                         if (!contains("lcr", ev.argument[0])) {
 416                                 disable = true;
 417                                 break;
 418                         }
 419                         flag.setOnOff(ev.argument[0] == align);
 420 #endif
 421
 422                         disable = !mathcursor->halign();
 423                         break;
 424                 }
 425
 426                 if (tli) {
 427                         FuncStatus ret;
 428                         //ret.disabled(true);
 429                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 430                                 ret = static_cast<InsetTabular *>(tli)
 431                                         ->getStatus(ev.argument);
 432                                 flag |= ret;
 433                                 disable = false;
 434                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 435                                 ret = static_cast<InsetTabular *>
 436                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 437                                         ->getStatus(ev.argument);
 438                                 flag |= ret;
 439                                 disable = false;
 440                         } else {
 441                                 disable = true;
 442                         }
 443                 } else {
 444                         static InsetTabular inset(*owner->buffer(), 1, 1);
 445                         FuncStatus ret;
 446
 447                         disable = true;
 448                         ret = inset.getStatus(ev.argument);
 449                         if (ret.onoff(true) || ret.onoff(false))
 450                                 flag.setOnOff(false);
 451                 }
 452                 break;
 453
 454         case LFUN_VC_REGISTER:
 455                 disable = buf->lyxvc.inUse();
 456                 break;
 457         case LFUN_VC_CHECKIN:
 458                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 459                 break;
 460         case LFUN_VC_CHECKOUT:
 461                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 462                 break;
 463         case LFUN_VC_REVERT:
 464         case LFUN_VC_UNDO:
 465         case LFUN_VC_HISTORY:
 466                 disable = !buf->lyxvc.inUse();
 467                 break;
 468         case LFUN_MENURELOAD:
 469                 disable = buf->isUnnamed() || buf->isClean();
 470                 break;
 471         case LFUN_BOOKMARK_GOTO:
 472                 disable =  !view()->
 473                         isSavedPosition(strToUnsignedInt(ev.argument));
 474                 break;
 475         case LFUN_MERGE_CHANGES:
 476         case LFUN_ACCEPT_CHANGE:
 477         case LFUN_REJECT_CHANGE:
 478         case LFUN_ACCEPT_ALL_CHANGES:
 479         case LFUN_REJECT_ALL_CHANGES:
 480                 disable = !buf->params.tracking_changes;
 481                 break;
 482         case LFUN_INSET_TOGGLE: {
 483                 LyXText * lt = view()->getLyXText();
 484                 disable = !(isEditableInset(lt->getInset())
 485                             || (lt->inset_owner
 486                                 && lt->inset_owner->owner()
 487                                 && lt->inset_owner->owner()->isOpen()));
 488                 break;
 489         }
 490
 491         case LFUN_INSET_SETTINGS: {
 492                 disable = true;
 493                 UpdatableInset * inset = view()->theLockingInset();
 494
 495                 if (!inset)
 496                         break;
 497
 498                 // get the innermost inset
 499                 inset = inset->getLockingInset();
 500
 501                 // jump back to owner if an InsetText, so
 502                 // we get back to the InsetTabular or whatever
 503                 if (inset->lyxCode() == Inset::TEXT_CODE)
 504                         inset = static_cast<UpdatableInset*>(inset->owner());
 505
 506                 Inset::Code code = inset->lyxCode();
 507                 switch (code) {
 508                         case Inset::TABULAR_CODE:
 509                                 disable = ev.argument != "tabular";
 510                                 break;
 511                         case Inset::ERT_CODE:
 512                                 disable = ev.argument != "ert";
 513                                 break;
 514                         case Inset::FLOAT_CODE:
 515                                 disable = ev.argument != "float";
 516                                 break;
 517                         case Inset::MINIPAGE_CODE:
 518                                 disable = ev.argument != "minipage";
 519                                 break;
 520                         case Inset::WRAP_CODE:
 521                                 disable = ev.argument != "wrap";
 522                                 break;
 523                         default:
 524                                 break;
 525                 }
 526                 break;
 527         }
 528
 529         case LFUN_LATEX_LOG:
 530                 disable = !IsFileReadable(buf->getLogName().second);
 531                 break;
 532
 533         case LFUN_MATH_MUTATE:
 534                 if (mathcursor)
 535                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 536                         flag.setOnOff(false);
 537                 else
 538                         disable = true;
 539                 break;
 540
 541         // we just need to be in math mode to enable that
 542         case LFUN_MATH_SIZE:
 543         case LFUN_MATH_SPACE:
 544         case LFUN_MATH_LIMITS:
 545         case LFUN_MATH_NONUMBER:
 546         case LFUN_MATH_NUMBER:
 547         case LFUN_MATH_EXTERN:
 548                 disable = !mathcursor;
 549                 break;
 550
 551         default:
 552                 break;
 553         }
 554
 555         // the functions which insert insets
 556         Inset::Code code = Inset::NO_CODE;
 557         switch (ev.action) {
 558         case LFUN_DIALOG_SHOW_NEW_INSET:
 559                 if (ev.argument == "bibitem")
 560                         code = Inset::BIBITEM_CODE;
 561                 else if (ev.argument == "bibtex")
 562                         code = Inset::BIBTEX_CODE;
 563                 else if (ev.argument == "citation")
 564                         code = Inset::CITE_CODE;
 565                 else if (ev.argument == "ert")
 566                         code = Inset::ERT_CODE;
 567                 else if (ev.argument == "external")
 568                         code = Inset::EXTERNAL_CODE;
 569                 else if (ev.argument == "float")
 570                         code = Inset::FLOAT_CODE;
 571                 else if (ev.argument == "graphics")
 572                         code = Inset::GRAPHICS_CODE;
 573                 else if (ev.argument == "include")
 574                         code = Inset::INCLUDE_CODE;
 575                 else if (ev.argument == "index")
 576                         code = Inset::INDEX_CODE;
 577                 else if (ev.argument == "label")
 578                         code = Inset::LABEL_CODE;
 579                 else if (ev.argument == "minipage")
 580                         code = Inset::MINIPAGE_CODE;
 581                 else if (ev.argument == "ref")
 582                         code = Inset::REF_CODE;
 583                 else if (ev.argument == "toc")
 584                         code = Inset::TOC_CODE;
 585                 else if (ev.argument == "url")
 586                         code = Inset::URL_CODE;
 587                 else if (ev.argument == "wrap")
 588                         code = Inset::WRAP_CODE;
 589                 break;
 590
 591         case LFUN_INSET_ERT:
 592                 code = Inset::ERT_CODE;
 593                 break;
 594         case LFUN_INSET_FOOTNOTE:
 595                 code = Inset::FOOT_CODE;
 596                 break;
 597         case LFUN_TABULAR_INSERT:
 598                 code = Inset::TABULAR_CODE;
 599                 break;
 600         case LFUN_INSET_MARGINAL:
 601                 code = Inset::MARGIN_CODE;
 602                 break;
 603         case LFUN_INSET_MINIPAGE:
 604                 code = Inset::MINIPAGE_CODE;
 605                 break;
 606         case LFUN_INSET_FLOAT:
 607         case LFUN_INSET_WIDE_FLOAT:
 608                 code = Inset::FLOAT_CODE;
 609                 break;
 610         case LFUN_INSET_WRAP:
 611                 code = Inset::WRAP_CODE;
 612                 break;
 613         case LFUN_FLOAT_LIST:
 614                 code = Inset::FLOAT_LIST_CODE;
 615                 break;
 616 #if 0
 617         case LFUN_INSET_LIST:
 618                 code = Inset::LIST_CODE;
 619                 break;
 620         case LFUN_INSET_THEOREM:
 621                 code = Inset::THEOREM_CODE;
 622                 break;
 623 #endif
 624         case LFUN_INSET_CAPTION:
 625                 code = Inset::CAPTION_CODE;
 626                 break;
 627         case LFUN_INSERT_NOTE:
 628                 code = Inset::NOTE_CODE;
 629                 break;
 630         case LFUN_INSERT_LABEL:
 631                 code = Inset::LABEL_CODE;
 632                 break;
 633         case LFUN_INSET_OPTARG:
 634                 code = Inset::OPTARG_CODE;
 635                 break;
 636         case LFUN_ENVIRONMENT_INSERT:
 637                 code = Inset::MINIPAGE_CODE;
 638                 break;
 639         case LFUN_INDEX_INSERT:
 640                 code = Inset::INDEX_CODE;
 641                 break;
 642         case LFUN_INDEX_PRINT:
 643                 code = Inset::INDEX_PRINT_CODE;
 644                 break;
 645         case LFUN_TOC_INSERT:
 646                 code = Inset::TOC_CODE;
 647                 break;
 648         case LFUN_HTMLURL:
 649         case LFUN_URL:
 650                 code = Inset::URL_CODE;
 651                 break;
 652         case LFUN_QUOTE:
 653                 // always allow this, since we will inset a raw quote
 654                 // if an inset is not allowed.
 655                 break;
 656         case LFUN_HYPHENATION:
 657         case LFUN_LIGATURE_BREAK:
 658         case LFUN_HFILL:
 659         case LFUN_MENU_SEPARATOR:
 660         case LFUN_LDOTS:
 661         case LFUN_END_OF_SENTENCE:
 662                 code = Inset::SPECIALCHAR_CODE;
 663                 break;
 664         case LFUN_SPACE_INSERT:
 665                 // slight hack: we know this is allowed in math mode
 666                 if (!mathcursor)
 667                         code = Inset::SPACE_CODE;
 668                 break;
 669         default:
 670                 break;
 671         }
 672         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 673                 disable = true;
 674
 675         if (disable)
 676                 flag.disabled(true);
 677
 678         // A few general toggles
 679         switch (ev.action) {
 680         case LFUN_TOOLTIPS_TOGGLE:
 681                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 682                 break;
 683
 684         case LFUN_READ_ONLY_TOGGLE:
 685                 flag.setOnOff(buf->isReadonly());
 686                 break;
 687         case LFUN_APPENDIX:
 688                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 689                 break;
 690         case LFUN_SWITCHBUFFER:
 691                 // toggle on the current buffer, but do not toggle off
 692                 // the other ones (is that a good idea?)
 693                 if (ev.argument == buf->fileName())
 694                         flag.setOnOff(true);
 695                 break;
 696         case LFUN_TRACK_CHANGES:
 697                 flag.setOnOff(buf->params.tracking_changes);
 698                 break;
 699         default:
 700                 break;
 701         }
 702
 703         // the font related toggles
 704         if (!mathcursor) {
 705                 LyXFont const & font = TEXT(false)->real_current_font;
 706                 switch (ev.action) {
 707                 case LFUN_EMPH:
 708                         flag.setOnOff(font.emph() == LyXFont::ON);
 709                         break;
 710                 case LFUN_NOUN:
 711                         flag.setOnOff(font.noun() == LyXFont::ON);
 712                         break;
 713                 case LFUN_BOLD:
 714                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 715                         break;
 716                 case LFUN_SANS:
 717                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 718                         break;
 719                 case LFUN_ROMAN:
 720                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 721                         break;
 722                 case LFUN_CODE:
 723                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 724                         break;
 725                 default:
 726                         break;
 727                 }
 728         } else {
 729                 string tc = mathcursor->getLastCode();
 730                 switch (ev.action) {
 731                 case LFUN_BOLD:
 732                         flag.setOnOff(tc == "mathbf");
 733                         break;
 734                 case LFUN_SANS:
 735                         flag.setOnOff(tc == "mathsf");
 736                         break;
 737                 case LFUN_EMPH:
 738                         flag.setOnOff(tc == "mathcal");
 739                         break;
 740                 case LFUN_ROMAN:
 741                         flag.setOnOff(tc == "mathrm");
 742                         break;
 743                 case LFUN_CODE:
 744                         flag.setOnOff(tc == "mathtt");
 745                         break;
 746                 case LFUN_NOUN:
 747                         flag.setOnOff(tc == "mathbb");
 748                         break;
 749                 case LFUN_DEFAULT:
 750                         flag.setOnOff(tc == "mathnormal");
 751                         break;
 752                 default:
 753                         break;
 754                 }
 755         }
 756
 757         // this one is difficult to get right. As a half-baked
 758         // solution, we consider only the first action of the sequence
 759         if (ev.action == LFUN_SEQUENCE) {
 760                 // argument contains ';'-terminated commands
 761                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 762         }
 763
 764         return flag;
 765 }
 766
 767
 768 void LyXFunc::dispatch(string const & s, bool verbose)
 769 {
 770         int const action = lyxaction.LookupFunc(s);
 771
 772         if (action == LFUN_UNKNOWN_ACTION) {
 773                 owner->message(bformat(_("Unknown function (%1$s)"), s));
 774                 return;
 775         }
 776
 777         dispatch(action, verbose);
 778 }
 779
 780
 781 void LyXFunc::dispatch(int ac, bool verbose)
 782 {
 783         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 784 }
 785
 786
 787
 788 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 789 {
 790         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 791                               <<"] arg[" << ev.argument << ']' << endl;
 792
 793         // we have not done anything wrong yet.
 794         errorstat = false;
 795         dispatch_buffer.erase();
 796
 797 #ifdef NEW_DISPATCHER
 798         // We try do call the most specific dispatcher first:
 799         //  1. the lockinginset's dispatch
 800         //  2. the bufferview's dispatch
 801         //  3. the lyxview's dispatch
 802 #endif
 803
 804         selection_possible = false;
 805
 806         string argument = ev.argument;
 807         kb_action action = ev.action;
 808
 809         // We cannot use this function here
 810         if (getStatus(ev).disabled()) {
 811                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 812                        << lyxaction.getActionName(action)
 813                        << " [" << action << "] is disabled at this location"
 814                        << endl;
 815                 setErrorMessage(getStatusMessage());
 816                 goto exit_with_message;
 817         }
 818
 819         if (view()->available())
 820                 view()->hideCursor();
 821
 822         if (view()->available() && view()->theLockingInset()) {
 823                 Inset::RESULT result;
 824                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 825                                      (!keyseq.deleted())))
 826                 {
 827                         UpdatableInset * inset = view()->theLockingInset();
 828 #if 1
 829                         int inset_x;
 830                         int dummy_y;
 831                         inset->getCursorPos(view(), inset_x, dummy_y);
 832 #endif
 833                         if ((action == LFUN_UNKNOWN_ACTION)
 834                             && argument.empty()) {
 835                                 argument = encoded_last_key;
 836                         }
 837
 838                         // the insets can't try to handle this,
 839                         // a table cell in the dummy position will
 840                         // lock its insettext, the insettext will
 841                         // pass it the bufferview, and succeed,
 842                         // so it will stay not locked. Not good
 843                         // if we've just done LFUN_ESCAPE (which
 844                         // injects an LFUN_PARAGRAPH_UPDATE)
 845                         if (action == LFUN_PARAGRAPH_UPDATE) {
 846                                 view()->dispatch(ev);
 847                                 goto exit_with_message;
 848                         }
 849
 850                         // Undo/Redo is a bit tricky for insets.
 851                         if (action == LFUN_UNDO) {
 852                                 view()->undo();
 853                                 goto exit_with_message;
 854                         } else if (action == LFUN_REDO) {
 855                                 view()->redo();
 856                                 goto exit_with_message;
 857                         } else if (((result=inset->
 858                                      // Hand-over to inset's own dispatch:
 859                                      localDispatch(FuncRequest(view(), action, argument))) ==
 860                                     DISPATCHED) ||
 861                                    (result == DISPATCHED_NOUPDATE))
 862                                 goto exit_with_message;
 863                                         // If UNDISPATCHED, just soldier on
 864                         else if (result == FINISHED) {
 865                                 owner->clearMessage();
 866                                 goto exit_with_message;
 867                                 // We do not need special RTL handling here:
 868                                 // FINISHED means that the cursor should be
 869                                 // one position after the inset.
 870                         } else if (result == FINISHED_RIGHT) {
 871                                 TEXT()->cursorRight(view());
 872                                 moveCursorUpdate(true, false);
 873                                 owner->clearMessage();
 874                                 goto exit_with_message;
 875                         } else if (result == FINISHED_UP) {
 876                                 if (TEXT()->cursor.irow() != TEXT()->rows().begin()) {
 877 #if 1
 878                                         TEXT()->setCursorFromCoordinates(
 879                                                 TEXT()->cursor.ix() + inset_x,
 880                                                 TEXT()->cursor.iy() -
 881                                                 TEXT()->cursor.irow()->baseline() - 1);
 882                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 883 #else
 884                                         TEXT()->cursorUp(view());
 885 #endif
 886                                         moveCursorUpdate(true, false);
 887                                 } else {
 888                                         view()->update(TEXT(), BufferView::SELECT);
 889                                 }
 890                                 owner->clearMessage();
 891                                 goto exit_with_message;
 892                         } else if (result == FINISHED_DOWN) {
 893                                 if (boost::next(TEXT()->cursor.irow()) != TEXT()->rows().end()) {
 894 #if 1
 895                                         TEXT()->setCursorFromCoordinates(
 896                                                 TEXT()->cursor.ix() + inset_x,
 897                                                 TEXT()->cursor.iy() -
 898                                                 TEXT()->cursor.irow()->baseline() +
 899                                                 TEXT()->cursor.irow()->height() + 1);
 900                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 901 #else
 902                                         TEXT()->cursorDown(view());
 903 #endif
 904                                 } else {
 905                                         TEXT()->cursorRight(view());
 906                                 }
 907                                 moveCursorUpdate(true, false);
 908                                 owner->clearMessage();
 909                                 goto exit_with_message;
 910                         }
 911 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 912                         else { // result == UNDISPATCHED
 913                                 //setMessage(N_("Text mode"));
 914                                 switch (action) {
 915                                 case LFUN_UNKNOWN_ACTION:
 916                                 case LFUN_BREAKPARAGRAPH:
 917                                 case LFUN_BREAKLINE:
 918                                         TEXT()->cursorRight(view());
 919                                         view()->switchKeyMap();
 920                                         owner->view_state_changed();
 921                                         break;
 922                                 case LFUN_RIGHT:
 923                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 924                                                 TEXT()->cursorRight(view());
 925                                                 moveCursorUpdate(true, false);
 926                                                 owner->view_state_changed();
 927                                         }
 928                                         goto exit_with_message;
 929                                 case LFUN_LEFT:
 930                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 931                                                 TEXT()->cursorRight(view());
 932                                                 moveCursorUpdate(true, false);
 933                                                 owner->view_state_changed();
 934                                         }
 935                                         goto exit_with_message;
 936                                 case LFUN_DOWN:
 937                                         if (boost::next(TEXT()->cursor.row()) != TEXT()->rows().end())
 938                                                 TEXT()->cursorDown(view());
 939                                         else
 940                                                 TEXT()->cursorRight(view());
 941                                         moveCursorUpdate(true, false);
 942                                         owner->view_state_changed();
 943                                         goto exit_with_message;
 944                                 default:
 945                                         break;
 946                                 }
 947                         }
 948                 }
 949         }
 950
 951         switch (action) {
 952
 953         case LFUN_ESCAPE:
 954         {
 955                 if (!view()->available()) break;
 956                 // this function should be used always [asierra060396]
 957                 UpdatableInset * tli =
 958                         view()->theLockingInset();
 959                 if (tli) {
 960                         UpdatableInset * lock = tli->getLockingInset();
 961
 962                         if (tli == lock) {
 963                                 view()->unlockInset(tli);
 964                                 TEXT()->cursorRight(view());
 965                                 moveCursorUpdate(true, false);
 966                                 owner->view_state_changed();
 967                         } else {
 968                                 tli->unlockInsetInInset(view(),
 969                                                         lock,
 970                                                         true);
 971                         }
 972                         finishUndo();
 973                         // Tell the paragraph dialog that we changed paragraph
 974                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 975                 }
 976         }
 977         break;
 978
 979                 // --- Misc -------------------------------------------
 980         case LFUN_WORDFINDFORWARD  :
 981         case LFUN_WORDFINDBACKWARD : {
 982                 static string last_search;
 983                 string searched_string;
 984
 985                 if (!argument.empty()) {
 986                         last_search = argument;
 987                         searched_string = argument;
 988                 } else {
 989                         searched_string = last_search;
 990                 }
 991                 bool fw = (action == LFUN_WORDFINDFORWARD);
 992                 if (!searched_string.empty()) {
 993                         lyxfind::LyXFind(view(), searched_string, fw);
 994                 }
 995         }
 996         break;
 997
 998         case LFUN_PREFIX:
 999         {
1000                 if (view()->available() && !view()->theLockingInset()) {
1001                         view()->update(TEXT(), BufferView::SELECT);
1002                 }
1003                 owner->message(keyseq.printOptions());
1004         }
1005         break;
1006
1007         // --- Misc -------------------------------------------
1008         case LFUN_EXEC_COMMAND:
1009                 owner->focus_command_buffer();
1010                 break;
1011
1012         case LFUN_CANCEL:                   // RVDK_PATCH_5
1013                 keyseq.reset();
1014                 meta_fake_bit = key_modifier::none;
1015                 if (view()->available())
1016                         // cancel any selection
1017                         dispatch(LFUN_MARK_OFF);
1018                 setMessage(N_("Cancel"));
1019                 break;
1020
1021         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
1022         {
1023                 meta_fake_bit = key_modifier::alt;
1024                 setMessage(keyseq.print());
1025         }
1026         break;
1027
1028         case LFUN_READ_ONLY_TOGGLE:
1029                 if (owner->buffer()->lyxvc.inUse()) {
1030                         owner->buffer()->lyxvc.toggleReadOnly();
1031                 } else {
1032                         owner->buffer()->setReadonly(
1033                                 !owner->buffer()->isReadonly());
1034                 }
1035                 break;
1036
1037         case LFUN_CENTER: // this is center and redraw.
1038                 view()->center();
1039                 break;
1040
1041                 // --- Menus -----------------------------------------------
1042         case LFUN_MENUNEW:
1043                 menuNew(argument, false);
1044                 break;
1045
1046         case LFUN_MENUNEWTMPLT:
1047                 menuNew(argument, true);
1048                 break;
1049
1050         case LFUN_CLOSEBUFFER:
1051                 closeBuffer();
1052                 break;
1053
1054         case LFUN_MENUWRITE:
1055                 if (!owner->buffer()->isUnnamed()) {
1056                         string const str = bformat(_("Saving document %1$s..."),
1057                            MakeDisplayPath(owner->buffer()->fileName()));
1058                         owner->message(str);
1059                         MenuWrite(view(), owner->buffer());
1060                         owner->message(str + _(" done."));
1061                 } else
1062                         WriteAs(view(), owner->buffer());
1063                 break;
1064
1065         case LFUN_WRITEAS:
1066                 WriteAs(view(), owner->buffer(), argument);
1067                 break;
1068
1069         case LFUN_MENURELOAD: {
1070                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1071                 string text = bformat(_("Any changes will be lost. Are you sure "
1072                         "you want to revert to the saved version of the document %1$s?"), file);
1073                 int const ret = Alert::prompt(_("Revert to saved document?"),
1074                         text, 0, 1, _("&Revert"), _("&Cancel"));
1075
1076                 if (ret == 0)
1077                         view()->reload();
1078                 break;
1079         }
1080
1081         case LFUN_UPDATE:
1082                 Exporter::Export(owner->buffer(), argument, true);
1083                 break;
1084
1085         case LFUN_PREVIEW:
1086                 Exporter::Preview(owner->buffer(), argument);
1087                 break;
1088
1089         case LFUN_BUILDPROG:
1090                 Exporter::Export(owner->buffer(), "program", true);
1091                 break;
1092
1093         case LFUN_RUNCHKTEX:
1094                 owner->buffer()->runChktex();
1095                 break;
1096
1097         case LFUN_MENUPRINT:
1098                 owner->getDialogs().showPrint();
1099                 break;
1100
1101         case LFUN_EXPORT:
1102                 if (argument == "custom")
1103                         owner->getDialogs().showSendto();
1104                 else
1105                         Exporter::Export(owner->buffer(), argument, false);
1106                 break;
1107
1108         case LFUN_IMPORT:
1109                 doImport(argument);
1110                 break;
1111
1112         case LFUN_QUIT:
1113                 QuitLyX();
1114                 break;
1115
1116         case LFUN_TOCVIEW:
1117         {
1118                 InsetCommandParams p("tableofcontents");
1119                 string const data = InsetCommandMailer::params2string("toc", p);
1120                 owner->getDialogs().show("toc", data, 0);
1121                 break;
1122         }
1123
1124         case LFUN_AUTOSAVE:
1125                 AutoSave(view());
1126                 break;
1127
1128         case LFUN_UNDO:
1129                 view()->undo();
1130                 break;
1131
1132         case LFUN_REDO:
1133                 view()->redo();
1134                 break;
1135
1136         case LFUN_MENUSEARCH:
1137                 owner->getDialogs().showSearch();
1138                 break;
1139
1140         case LFUN_DEPTH_MIN:
1141                 changeDepth(view(), TEXT(false), DEC_DEPTH, false);
1142                 owner->view_state_changed();
1143                 break;
1144
1145         case LFUN_DEPTH_PLUS:
1146                 changeDepth(view(), TEXT(false), INC_DEPTH, false);
1147                 owner->view_state_changed();
1148                 break;
1149
1150         case LFUN_FREEFONT_APPLY:
1151                 apply_freefont(view());
1152                 break;
1153
1154         case LFUN_FREEFONT_UPDATE:
1155                 update_and_apply_freefont(view(), argument);
1156                 break;
1157
1158         case LFUN_RECONFIGURE:
1159                 Reconfigure(view());
1160                 break;
1161
1162 #if 0
1163         case LFUN_FLOATSOPERATE:
1164                 if (argument == "openfoot")
1165                         view()->allFloats(1,0);
1166                 else if (argument == "closefoot")
1167                         view()->allFloats(0,0);
1168                 else if (argument == "openfig")
1169                         view()->allFloats(1,1);
1170                 else if (argument == "closefig")
1171                         view()->allFloats(0,1);
1172                 break;
1173 #else
1174 #ifdef WITH_WARNINGS
1175 //#warning Find another implementation here (or another lyxfunc)!
1176 #endif
1177 #endif
1178         case LFUN_HELP_ABOUTLYX:
1179                 owner->getDialogs().show("about");
1180                 break;
1181
1182         case LFUN_HELP_TEXINFO:
1183                 owner->getDialogs().showTexinfo();
1184                 break;
1185
1186         case LFUN_HELP_OPEN:
1187         {
1188                 string const arg = argument;
1189                 if (arg.empty()) {
1190                         setErrorMessage(N_("Missing argument"));
1191                         break;
1192                 }
1193                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1194                 if (fname.empty()) {
1195                         lyxerr << "LyX: unable to find documentation file `"
1196                                << arg << "'. Bad installation?" << endl;
1197                         break;
1198                 }
1199                 owner->message(bformat(_("Opening help file %1$s..."),
1200                         MakeDisplayPath(fname)));
1201                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1202                 break;
1203         }
1204
1205                 // --- version control -------------------------------
1206         case LFUN_VC_REGISTER:
1207         {
1208                 if (!owner->buffer()->lyxvc.inUse())
1209                         owner->buffer()->lyxvc.registrer();
1210         }
1211         break;
1212
1213         case LFUN_VC_CHECKIN:
1214         {
1215                 if (owner->buffer()->lyxvc.inUse()
1216                     && !owner->buffer()->isReadonly())
1217                         owner->buffer()->lyxvc.checkIn();
1218         }
1219         break;
1220
1221         case LFUN_VC_CHECKOUT:
1222         {
1223                 if (owner->buffer()->lyxvc.inUse()
1224                     && owner->buffer()->isReadonly())
1225                         owner->buffer()->lyxvc.checkOut();
1226         }
1227         break;
1228
1229         case LFUN_VC_REVERT:
1230         {
1231                 owner->buffer()->lyxvc.revert();
1232         }
1233         break;
1234
1235         case LFUN_VC_UNDO:
1236         {
1237                 owner->buffer()->lyxvc.undoLast();
1238         }
1239         break;
1240
1241         case LFUN_VC_HISTORY:
1242         {
1243                 owner->getDialogs().show("vclog");
1244                 break;
1245         }
1246
1247         // --- buffers ----------------------------------------
1248
1249         case LFUN_SWITCHBUFFER:
1250                 view()->buffer(bufferlist.getBuffer(argument));
1251                 break;
1252
1253         case LFUN_FILE_NEW:
1254         {
1255                 // servercmd: argument must be <file>:<template>
1256                 Buffer * tmpbuf = NewFile(argument);
1257                 if (tmpbuf)
1258                         view()->buffer(tmpbuf);
1259         }
1260         break;
1261
1262         case LFUN_FILE_OPEN:
1263                 open(argument);
1264                 break;
1265
1266         case LFUN_LATEX_LOG:
1267                 owner->getDialogs().show("log");
1268                 break;
1269
1270         case LFUN_LAYOUT_DOCUMENT:
1271                 owner->getDialogs().showDocument();
1272                 break;
1273
1274         case LFUN_LAYOUT_CHARACTER: {
1275                 string data = freefont2string();
1276                 if (!data.empty())
1277                         owner->getDialogs().show("character", data);
1278                 break;
1279         }
1280
1281         case LFUN_LAYOUT_TABULAR:
1282             if (view()->theLockingInset()) {
1283                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1284                     InsetTabular * inset = static_cast<InsetTabular *>
1285                         (view()->theLockingInset());
1286                     inset->openLayoutDialog(view());
1287                 } else if (view()->theLockingInset()->
1288                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1289                     InsetTabular * inset = static_cast<InsetTabular *>(
1290                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1291                     inset->openLayoutDialog(view());
1292                 }
1293             }
1294             break;
1295
1296         case LFUN_LAYOUT_PREAMBLE:
1297                 owner->getDialogs().showPreamble();
1298                 break;
1299
1300         case LFUN_DROP_LAYOUTS_CHOICE:
1301                 owner->getToolbar().openLayoutList();
1302                 break;
1303
1304         case LFUN_MENU_OPEN_BY_NAME:
1305                 owner->getMenubar().openByName(argument);
1306                 break; // RVDK_PATCH_5
1307
1308         case LFUN_SPELLCHECK:
1309                 owner->getDialogs().showSpellchecker();
1310                 break;
1311
1312         // --- lyxserver commands ----------------------------
1313
1314
1315         case LFUN_GETNAME:
1316                 setMessage(owner->buffer()->fileName());
1317                 lyxerr[Debug::INFO] << "FNAME["
1318                                << owner->buffer()->fileName()
1319                                << "] " << endl;
1320                 break;
1321
1322         case LFUN_NOTIFY:
1323         {
1324                 dispatch_buffer = keyseq.print();
1325                 lyxserver->notifyClient(dispatch_buffer);
1326         }
1327         break;
1328
1329         case LFUN_GOTOFILEROW:
1330         {
1331                 string file_name;
1332                 int row;
1333                 istringstream istr(argument.c_str());
1334                 istr >> file_name >> row;
1335                 // Must replace extension of the file to be .lyx and get full path
1336                 string const s(ChangeExtension(file_name, ".lyx"));
1337
1338                 // Either change buffer or load the file
1339                 if (bufferlist.exists(s)) {
1340                         view()->buffer(bufferlist.getBuffer(s));
1341                 } else {
1342                         view()->buffer(bufferlist.loadLyXFile(s));
1343                 }
1344
1345                 view()->setCursorFromRow(row);
1346
1347                 view()->center();
1348                 // see BufferView_pimpl::center()
1349                 view()->updateScrollbar();
1350         }
1351         break;
1352
1353         case LFUN_GOTO_PARAGRAPH:
1354         {
1355                 istringstream istr(argument.c_str());
1356
1357                 int id;
1358                 istr >> id;
1359                 ParIterator par = owner->buffer()->getParFromID(id);
1360                 if (par == owner->buffer()->par_iterator_end()) {
1361                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1362                                             << id << ']' << endl;
1363                         break;
1364                 } else {
1365                         lyxerr[Debug::INFO] << "Paragraph " << (*par)->id()
1366                                             << " found." << endl;
1367                 }
1368
1369                 if (view()->theLockingInset())
1370                         view()->unlockInset(view()->theLockingInset());
1371                 if ((*par)->inInset()) {
1372                         FuncRequest cmd(view(), LFUN_INSET_EDIT, "left");
1373                         (*par)->inInset()->localDispatch(cmd);
1374                 }
1375                 // Set the cursor
1376                 view()->getLyXText()->setCursor(*par, 0);
1377                 view()->switchKeyMap();
1378                 owner->view_state_changed();
1379
1380                 view()->center();
1381                 // see BufferView_pimpl::center()
1382                 view()->updateScrollbar();
1383         }
1384         break;
1385
1386         // --- insert characters ----------------------------------------
1387
1388         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1389         case LFUN_MATH_EXTERN:
1390         case LFUN_MATH_NUMBER:
1391         case LFUN_MATH_NONUMBER:
1392         case LFUN_MATH_LIMITS:
1393         {
1394                 setErrorMessage(N_("This is only allowed in math mode!"));
1395         }
1396         break;
1397
1398         // passthrough hat and underscore outside mathed:
1399         case LFUN_SUBSCRIPT:
1400                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1401                 break;
1402         case LFUN_SUPERSCRIPT:
1403                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1404                 break;
1405
1406         case LFUN_MATH_PANEL:
1407                 owner->getDialogs().showMathPanel();
1408                 break;
1409
1410         case LFUN_DIALOG_SHOW_NEW_INSET: {
1411                 string const & name = argument;
1412                 string data;
1413                 if (name == "bibitem" ||
1414                     name == "bibtex" ||
1415                     name == "include" ||
1416                     name == "index" ||
1417                     name == "ref" ||
1418                     name == "toc" ||
1419                     name == "url") {
1420                         InsetCommandParams p(name);
1421                         data = InsetCommandMailer::params2string(name, p);
1422                 } else if (name == "citation") {
1423                         InsetCommandParams p("cite");
1424                         data = InsetCommandMailer::params2string(name, p);
1425                 }
1426                 owner->getDialogs().show(name, data, 0);
1427         }
1428         break;
1429
1430         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1431         }
1432         break;
1433
1434         case LFUN_DIALOG_UPDATE: {
1435                 string const & name = argument;
1436                 // Can only update a dialog connected to an existing inset
1437                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1438                 if (inset) {
1439                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1440                                        ev.argument);
1441                         inset->localDispatch(fr);
1442                 } else if (name == "paragraph") {
1443                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1444                 }
1445         }
1446         break;
1447
1448         case LFUN_DIALOG_HIDE:
1449                 Dialogs::hide(argument, 0);
1450                 break;
1451
1452         case LFUN_DIALOG_DISCONNECT_INSET:
1453                 owner->getDialogs().disconnect(argument);
1454                 break;
1455
1456         case LFUN_CHILDOPEN:
1457         {
1458                 string const filename =
1459                         MakeAbsPath(argument,
1460                                     owner->buffer()->filePath());
1461                 setMessage(N_("Opening child document ") +
1462                            MakeDisplayPath(filename) + "...");
1463                 view()->savePosition(0);
1464                 if (bufferlist.exists(filename))
1465                         view()->buffer(bufferlist.getBuffer(filename));
1466                 else
1467                         view()->buffer(bufferlist.loadLyXFile(filename));
1468         }
1469         break;
1470
1471         case LFUN_TOGGLECURSORFOLLOW:
1472                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1473                 break;
1474
1475         case LFUN_KMAP_OFF:
1476                 owner->getIntl().KeyMapOn(false);
1477                 break;
1478
1479         case LFUN_KMAP_PRIM:
1480                 owner->getIntl().KeyMapPrim();
1481                 break;
1482
1483         case LFUN_KMAP_SEC:
1484                 owner->getIntl().KeyMapSec();
1485                 break;
1486
1487         case LFUN_KMAP_TOGGLE:
1488                 owner->getIntl().ToggleKeyMap();
1489                 break;
1490
1491         case LFUN_SEQUENCE:
1492         {
1493                 // argument contains ';'-terminated commands
1494                 while (!argument.empty()) {
1495                         string first;
1496                         argument = split(argument, first, ';');
1497                         dispatch(first);
1498                 }
1499         }
1500         break;
1501
1502         case LFUN_DIALOG_PREFERENCES:
1503                 owner->getDialogs().showPreferences();
1504                 break;
1505
1506         case LFUN_SAVEPREFERENCES:
1507         {
1508                 Path p(user_lyxdir);
1509                 lyxrc.write("preferences");
1510         }
1511         break;
1512
1513         case LFUN_SCREEN_FONT_UPDATE:
1514         {
1515                 // handle the screen font changes.
1516                 lyxrc.set_font_norm_type();
1517                 lyx_gui::update_fonts();
1518                 // We also need to empty the textcache so that
1519                 // the buffer will be formatted correctly after
1520                 // a zoom change.
1521                 textcache.clear();
1522                 // Of course we should only do the resize and the textcache.clear
1523                 // if values really changed...but not very important right now. (Lgb)
1524                 // All visible buffers will need resize
1525                 view()->resize();
1526                 view()->repaint();
1527         }
1528         break;
1529
1530         case LFUN_SET_COLOR:
1531         {
1532                 string lyx_name;
1533                 string const x11_name = split(argument, lyx_name, ' ');
1534                 if (lyx_name.empty() || x11_name.empty()) {
1535                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1536                                                 " <x11_name>"));
1537                         break;
1538                         }
1539
1540                 bool const graphicsbg_changed =
1541                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1542                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1543
1544                 if (!lcolor.setColor(lyx_name, x11_name)) {
1545                         setErrorMessage(
1546                                 bformat(_("Set-color \"%1$s\" failed "
1547                                                   "- color is undefined or "
1548                                                   "may not be redefined"), lyx_name));
1549                         break;
1550                 }
1551
1552                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1553
1554                 if (graphicsbg_changed) {
1555 #ifdef WITH_WARNINGS
1556 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1557 #endif
1558 #if 0
1559                         grfx::GCache & gc = grfx::GCache::get();
1560                         gc.changeDisplay(true);
1561 #endif
1562                 }
1563
1564                 view()->repaint();
1565                 break;
1566         }
1567
1568         case LFUN_MESSAGE:
1569                 owner->message(argument);
1570                 break;
1571
1572         case LFUN_FORKS_SHOW:
1573                 owner->getDialogs().showForks();
1574                 break;
1575
1576         case LFUN_FORKS_KILL:
1577         {
1578                 if (!isStrInt(argument))
1579                         break;
1580
1581                 pid_t const pid = strToInt(argument);
1582                 ForkedcallsController & fcc = ForkedcallsController::get();
1583                 fcc.kill(pid);
1584                 break;
1585         }
1586
1587         case LFUN_TOOLTIPS_TOGGLE:
1588                 owner->getDialogs().toggleTooltips();
1589                 break;
1590
1591         default:
1592                 // Then if it was none of the above
1593                 // Trying the BufferView::pimpl dispatch:
1594                 if (!view()->dispatch(ev))
1595                         lyxerr << "A truly unknown func ["
1596                                << lyxaction.getActionName(ev.action) << "]!"
1597                                << endl;
1598                 break;
1599         } // end of switch
1600
1601 exit_with_message:
1602
1603         view()->owner()->updateLayoutChoice();
1604
1605         if (view()->available()) {
1606                 view()->fitCursor();
1607
1608                 // If we executed a mutating lfun, mark the buffer as dirty
1609                 if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)
1610                     && !lyxaction.funcHasFlag(ev.action, LyXAction::ReadOnly))
1611                         view()->buffer()->markDirty();
1612         }
1613
1614         sendDispatchMessage(getMessage(), ev, verbose);
1615 }
1616
1617
1618 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1619 {
1620         owner->updateMenubar();
1621         owner->updateToolbar();
1622
1623         if (ev.action == LFUN_SELFINSERT || !verbose) {
1624                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1625                 if (!msg.empty())
1626                         owner->message(msg);
1627                 return;
1628         }
1629
1630         string dispatch_msg = msg;
1631         if (!dispatch_msg.empty())
1632                 dispatch_msg += ' ';
1633
1634         string comname = lyxaction.getActionName(ev.action);
1635
1636         int pseudoaction = ev.action;
1637         bool argsadded = false;
1638
1639         if (!ev.argument.empty()) {
1640                 // the pseudoaction is useful for the bindings
1641                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1642
1643                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1644                         pseudoaction = ev.action;
1645                 } else {
1646                         comname += ' ' + ev.argument;
1647                         argsadded = true;
1648                 }
1649         }
1650
1651         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1652
1653         if (!shortcuts.empty()) {
1654                 comname += ": " + shortcuts;
1655         } else if (!argsadded && !ev.argument.empty()) {
1656                 comname += ' ' + ev.argument;
1657         }
1658
1659         if (!comname.empty()) {
1660                 comname = rtrim(comname);
1661                 dispatch_msg += '(' + comname + ')';
1662         }
1663
1664         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1665         if (!dispatch_msg.empty())
1666                 owner->message(dispatch_msg);
1667 }
1668
1669
1670 void LyXFunc::setupLocalKeymap()
1671 {
1672         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1673         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1674 }
1675
1676
1677 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1678 {
1679         string initpath = lyxrc.document_path;
1680         string filename(name);
1681
1682         if (view()->available()) {
1683                 string const trypath = owner->buffer()->filePath();
1684                 // If directory is writeable, use this as default.
1685                 if (IsDirWriteable(trypath))
1686                         initpath = trypath;
1687         }
1688
1689         static int newfile_number;
1690
1691         if (filename.empty()) {
1692                 filename = AddName(lyxrc.document_path,
1693                             "newfile" + tostr(++newfile_number) + ".lyx");
1694                 FileInfo fi(filename);
1695                 while (bufferlist.exists(filename) || fi.readable()) {
1696                         ++newfile_number;
1697                         filename = AddName(lyxrc.document_path,
1698                                     "newfile" + tostr(newfile_number) +
1699                                     ".lyx");
1700                         fi.newFile(filename);
1701                 }
1702         }
1703
1704         // The template stuff
1705         string templname;
1706         if (fromTemplate) {
1707                 FileDialog fileDlg(_("Select template file"),
1708                         LFUN_SELECT_FILE_SYNC,
1709                         make_pair(string(_("Documents|#o#O")),
1710                                   string(lyxrc.document_path)),
1711                         make_pair(string(_("Templates|#T#t")),
1712                                   string(lyxrc.template_path)));
1713
1714                 FileDialog::Result result =
1715                         fileDlg.open(lyxrc.template_path,
1716                                        _("*.lyx| LyX Documents (*.lyx)"));
1717
1718                 if (result.first == FileDialog::Later)
1719                         return;
1720
1721                 string const fname = result.second;
1722
1723                 if (fname.empty())
1724                         return;
1725                 templname = fname;
1726         }
1727
1728         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1729 }
1730
1731
1732 void LyXFunc::open(string const & fname)
1733 {
1734         string initpath = lyxrc.document_path;
1735
1736         if (view()->available()) {
1737                 string const trypath = owner->buffer()->filePath();
1738                 // If directory is writeable, use this as default.
1739                 if (IsDirWriteable(trypath))
1740                         initpath = trypath;
1741         }
1742
1743         string filename;
1744
1745         if (fname.empty()) {
1746                 FileDialog fileDlg(_("Select document to open"),
1747                         LFUN_FILE_OPEN,
1748                         make_pair(string(_("Documents|#o#O")),
1749                                   string(lyxrc.document_path)),
1750                         make_pair(string(_("Examples|#E#e")),
1751                                   string(AddPath(system_lyxdir, "examples"))));
1752
1753                 FileDialog::Result result =
1754                         fileDlg.open(initpath,
1755                                        _("*.lyx| LyX Documents (*.lyx)"));
1756
1757                 if (result.first == FileDialog::Later)
1758                         return;
1759
1760                 filename = result.second;
1761
1762                 // check selected filename
1763                 if (filename.empty()) {
1764                         owner->message(_("Canceled."));
1765                         return;
1766                 }
1767         } else
1768                 filename = fname;
1769
1770         // get absolute path of file and add ".lyx" to the filename if
1771         // necessary
1772         string const fullpath = FileSearch(string(), filename, "lyx");
1773         if (!fullpath.empty()) {
1774                 filename = fullpath;
1775         }
1776
1777         string const disp_fn(MakeDisplayPath(filename));
1778
1779         // if the file doesn't exist, let the user create one
1780         FileInfo const f(filename, true);
1781         if (!f.exist()) {
1782                 // the user specifically chose this name. Believe them.
1783                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1784                 view()->buffer(buffer);
1785                 return;
1786         }
1787
1788         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1789
1790         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1791         string str2;
1792         if (openbuf) {
1793                 view()->buffer(openbuf);
1794                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1795         } else {
1796                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1797         }
1798         owner->message(str2);
1799 }
1800
1801
1802 void LyXFunc::doImport(string const & argument)
1803 {
1804         string format;
1805         string filename = split(argument, format, ' ');
1806
1807         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1808                             << " file: " << filename << endl;
1809
1810         // need user interaction
1811         if (filename.empty()) {
1812                 string initpath = lyxrc.document_path;
1813
1814                 if (view()->available()) {
1815                         string const trypath = owner->buffer()->filePath();
1816                         // If directory is writeable, use this as default.
1817                         if (IsDirWriteable(trypath))
1818                                 initpath = trypath;
1819                 }
1820
1821                 string const text = bformat(_("Select %1$s file to import"),
1822                         formats.prettyName(format));
1823
1824                 FileDialog fileDlg(text,
1825                         LFUN_IMPORT,
1826                         make_pair(string(_("Documents|#o#O")),
1827                                   string(lyxrc.document_path)),
1828                         make_pair(string(_("Examples|#E#e")),
1829                                   string(AddPath(system_lyxdir, "examples"))));
1830
1831                 string const extension = "*." + formats.extension(format)
1832                         + "| " + formats.prettyName(format)
1833                         + " (*." + formats.extension(format) + ')';
1834
1835                 FileDialog::Result result = fileDlg.open(initpath,
1836                                                            extension);
1837
1838                 if (result.first == FileDialog::Later)
1839                         return;
1840
1841                 filename = result.second;
1842
1843                 // check selected filename
1844                 if (filename.empty())
1845                         owner->message(_("Canceled."));
1846         }
1847
1848         if (filename.empty())
1849                 return;
1850
1851         // get absolute path of file
1852         filename = MakeAbsPath(filename);
1853
1854         string const lyxfile = ChangeExtension(filename, ".lyx");
1855
1856         // Check if the document already is open
1857         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1858                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1859                         owner->message(_("Canceled."));
1860                         return;
1861                 }
1862         }
1863
1864         // if the file exists already, and we didn't do
1865         // -i lyx thefile.lyx, warn
1866         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1867                 string const file = MakeDisplayPath(lyxfile, 30);
1868
1869                 string text = bformat(_("The document %1$s already exists.\n\n"
1870                         "Do you want to over-write that document?"), file);
1871                 int const ret = Alert::prompt(_("Over-write document?"),
1872                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1873
1874                 if (ret == 1) {
1875                         owner->message(_("Canceled."));
1876                         return;
1877                 }
1878         }
1879
1880         Importer::Import(owner, filename, format);
1881 }
1882
1883
1884 void LyXFunc::closeBuffer()
1885 {
1886         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1887                 if (bufferlist.empty()) {
1888                         // need this otherwise SEGV may occur while trying to
1889                         // set variables that don't exist
1890                         // since there's no current buffer
1891                         owner->getDialogs().hideBufferDependent();
1892                 } else {
1893                         view()->buffer(bufferlist.first());
1894                 }
1895         }
1896 }
1897
1898
1899 // Each "owner" should have it's own message method. lyxview and
1900 // the minibuffer would use the minibuffer, but lyxserver would
1901 // send an ERROR signal to its client.  Alejandro 970603
1902 // This func is bit problematic when it comes to NLS, to make the
1903 // lyx servers client be language indepenent we must not translate
1904 // strings sent to this func.
1905 void LyXFunc::setErrorMessage(string const & m) const
1906 {
1907         dispatch_buffer = m;
1908         errorstat = true;
1909 }
1910
1911
1912 void LyXFunc::setMessage(string const & m) const
1913 {
1914         dispatch_buffer = m;
1915 }
1916
1917
1918 void LyXFunc::setStatusMessage(string const & m) const
1919 {
1920         status_buffer = m;
1921 }
1922
1923
1924 string const LyXFunc::view_status_message()
1925 {
1926         // When meta-fake key is pressed, show the key sequence so far + "M-".
1927         if (wasMetaKey()) {
1928                 return keyseq.print() + "M-";
1929         }
1930
1931         // Else, when a non-complete key sequence is pressed,
1932         // show the available options.
1933         if (keyseq.length() > 0 && !keyseq.deleted()) {
1934                 return keyseq.printOptions();
1935         }
1936
1937         if (!view()->available())
1938                 return _("Welcome to LyX!");
1939
1940         return currentState(view());
1941 }
1942
1943
1944 BufferView * LyXFunc::view() const
1945 {
1946         lyx::Assert(owner);
1947         return owner->view().get();
1948 }