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 "support/BoostFormat.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_PARENTINSERT:
 649                 code = Inset::PARENT_CODE;
 650                 break;
 651         case LFUN_HTMLURL:
 652         case LFUN_URL:
 653                 code = Inset::URL_CODE;
 654                 break;
 655         case LFUN_QUOTE:
 656                 // always allow this, since we will inset a raw quote
 657                 // if an inset is not allowed.
 658                 break;
 659         case LFUN_HYPHENATION:
 660         case LFUN_LIGATURE_BREAK:
 661         case LFUN_HFILL:
 662         case LFUN_MENU_SEPARATOR:
 663         case LFUN_LDOTS:
 664         case LFUN_END_OF_SENTENCE:
 665                 code = Inset::SPECIALCHAR_CODE;
 666                 break;
 667         case LFUN_PROTECTEDSPACE:
 668                 // slight hack: we know this is allowed in math mode
 669                 if (!mathcursor)
 670                         code = Inset::SPECIALCHAR_CODE;
 671                 break;
 672         default:
 673                 break;
 674         }
 675         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 676                 disable = true;
 677
 678         if (disable)
 679                 flag.disabled(true);
 680
 681         // A few general toggles
 682         switch (ev.action) {
 683         case LFUN_TOOLTIPS_TOGGLE:
 684                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 685                 break;
 686
 687         case LFUN_READ_ONLY_TOGGLE:
 688                 flag.setOnOff(buf->isReadonly());
 689                 break;
 690         case LFUN_APPENDIX:
 691                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 692                 break;
 693         case LFUN_SWITCHBUFFER:
 694                 // toggle on the current buffer, but do not toggle off
 695                 // the other ones (is that a good idea?)
 696                 if (ev.argument == buf->fileName())
 697                         flag.setOnOff(true);
 698                 break;
 699         case LFUN_TRACK_CHANGES:
 700                 flag.setOnOff(buf->params.tracking_changes);
 701                 break;
 702         default:
 703                 break;
 704         }
 705
 706         // the font related toggles
 707         if (!mathcursor) {
 708                 LyXFont const & font = TEXT(false)->real_current_font;
 709                 switch (ev.action) {
 710                 case LFUN_EMPH:
 711                         flag.setOnOff(font.emph() == LyXFont::ON);
 712                         break;
 713                 case LFUN_NOUN:
 714                         flag.setOnOff(font.noun() == LyXFont::ON);
 715                         break;
 716                 case LFUN_BOLD:
 717                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 718                         break;
 719                 case LFUN_SANS:
 720                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 721                         break;
 722                 case LFUN_ROMAN:
 723                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 724                         break;
 725                 case LFUN_CODE:
 726                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 727                         break;
 728                 default:
 729                         break;
 730                 }
 731         } else {
 732                 string tc = mathcursor->getLastCode();
 733                 switch (ev.action) {
 734                 case LFUN_BOLD:
 735                         flag.setOnOff(tc == "mathbf");
 736                         break;
 737                 case LFUN_SANS:
 738                         flag.setOnOff(tc == "mathsf");
 739                         break;
 740                 case LFUN_EMPH:
 741                         flag.setOnOff(tc == "mathcal");
 742                         break;
 743                 case LFUN_ROMAN:
 744                         flag.setOnOff(tc == "mathrm");
 745                         break;
 746                 case LFUN_CODE:
 747                         flag.setOnOff(tc == "mathtt");
 748                         break;
 749                 case LFUN_NOUN:
 750                         flag.setOnOff(tc == "mathbb");
 751                         break;
 752                 case LFUN_DEFAULT:
 753                         flag.setOnOff(tc == "mathnormal");
 754                         break;
 755                 default:
 756                         break;
 757                 }
 758         }
 759
 760         // this one is difficult to get right. As a half-baked
 761         // solution, we consider only the first action of the sequence
 762         if (ev.action == LFUN_SEQUENCE) {
 763                 // argument contains ';'-terminated commands
 764                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 765         }
 766
 767         return flag;
 768 }
 769
 770
 771 void LyXFunc::dispatch(string const & s, bool verbose)
 772 {
 773         int const action = lyxaction.LookupFunc(s);
 774
 775         if (action == LFUN_UNKNOWN_ACTION) {
 776 #if USE_BOOST_FORMAT
 777 boost::format fmt(_("Unknown function (%1$s)"));
 778 fmt % s;
 779 owner->message(fmt.str());
 780 #else
 781                 string const msg = string(_("Unknown function ("))
 782                         + s + ')';
 783                 owner->message(msg);
 784 #endif
 785                 return;
 786         }
 787
 788         dispatch(action, verbose);
 789 }
 790
 791
 792 void LyXFunc::dispatch(int ac, bool verbose)
 793 {
 794         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 795 }
 796
 797
 798
 799 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 800 {
 801         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 802                               <<"] arg[" << ev.argument << ']' << endl;
 803
 804         // we have not done anything wrong yet.
 805         errorstat = false;
 806         dispatch_buffer.erase();
 807
 808 #ifdef NEW_DISPATCHER
 809         // We try do call the most specific dispatcher first:
 810         //  1. the lockinginset's dispatch
 811         //  2. the bufferview's dispatch
 812         //  3. the lyxview's dispatch
 813 #endif
 814
 815         selection_possible = false;
 816
 817         string argument = ev.argument;
 818         kb_action action = ev.action;
 819
 820         // We cannot use this function here
 821         if (getStatus(ev).disabled()) {
 822                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 823                        << lyxaction.getActionName(action)
 824                        << " [" << action << "] is disabled at this location"
 825                        << endl;
 826                 setErrorMessage(getStatusMessage());
 827                 goto exit_with_message;
 828         }
 829
 830         if (view()->available())
 831                 view()->hideCursor();
 832
 833         if (view()->available() && view()->theLockingInset()) {
 834                 Inset::RESULT result;
 835                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 836                                      (!keyseq.deleted())))
 837                 {
 838                         UpdatableInset * inset = view()->theLockingInset();
 839 #if 1
 840                         int inset_x;
 841                         int dummy_y;
 842                         inset->getCursorPos(view(), inset_x, dummy_y);
 843 #endif
 844                         if ((action == LFUN_UNKNOWN_ACTION)
 845                             && argument.empty()) {
 846                                 argument = encoded_last_key;
 847                         }
 848                         // Undo/Redo is a bit tricky for insets.
 849                         if (action == LFUN_UNDO) {
 850                                 view()->undo();
 851                                 goto exit_with_message;
 852                         } else if (action == LFUN_REDO) {
 853                                 view()->redo();
 854                                 goto exit_with_message;
 855                         } else if (((result=inset->
 856                                      // Hand-over to inset's own dispatch:
 857                                      localDispatch(FuncRequest(view(), action, argument))) ==
 858                                     DISPATCHED) ||
 859                                    (result == DISPATCHED_NOUPDATE))
 860                                 goto exit_with_message;
 861                                         // If UNDISPATCHED, just soldier on
 862                         else if (result == FINISHED) {
 863                                 owner->clearMessage();
 864                                 goto exit_with_message;
 865                                 // We do not need special RTL handling here:
 866                                 // FINISHED means that the cursor should be
 867                                 // one position after the inset.
 868                         } else if (result == FINISHED_RIGHT) {
 869                                 TEXT()->cursorRight(view());
 870                                 moveCursorUpdate(true, false);
 871                                 owner->clearMessage();
 872                                 goto exit_with_message;
 873                         } else if (result == FINISHED_UP) {
 874                                 if (TEXT()->cursor.irow() != TEXT()->rows().begin()) {
 875 #if 1
 876                                         TEXT()->setCursorFromCoordinates(
 877                                                 TEXT()->cursor.ix() + inset_x,
 878                                                 TEXT()->cursor.iy() -
 879                                                 TEXT()->cursor.irow()->baseline() - 1);
 880                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 881 #else
 882                                         TEXT()->cursorUp(view());
 883 #endif
 884                                         moveCursorUpdate(true, false);
 885                                 } else {
 886                                         view()->update(TEXT(), BufferView::SELECT);
 887                                 }
 888                                 owner->clearMessage();
 889                                 goto exit_with_message;
 890                         } else if (result == FINISHED_DOWN) {
 891                                 if (boost::next(TEXT()->cursor.irow()) != TEXT()->rows().end()) {
 892 #if 1
 893                                         TEXT()->setCursorFromCoordinates(
 894                                                 TEXT()->cursor.ix() + inset_x,
 895                                                 TEXT()->cursor.iy() -
 896                                                 TEXT()->cursor.irow()->baseline() +
 897                                                 TEXT()->cursor.irow()->height() + 1);
 898                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 899 #else
 900                                         TEXT()->cursorDown(view());
 901 #endif
 902                                 } else {
 903                                         TEXT()->cursorRight(view());
 904                                 }
 905                                 moveCursorUpdate(true, false);
 906                                 owner->clearMessage();
 907                                 goto exit_with_message;
 908                         }
 909 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 910                         else { // result == UNDISPATCHED
 911                                 //setMessage(N_("Text mode"));
 912                                 switch (action) {
 913                                 case LFUN_UNKNOWN_ACTION:
 914                                 case LFUN_BREAKPARAGRAPH:
 915                                 case LFUN_BREAKLINE:
 916                                         TEXT()->cursorRight(view());
 917                                         view()->switchKeyMap();
 918                                         owner->view_state_changed();
 919                                         break;
 920                                 case LFUN_RIGHT:
 921                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 922                                                 TEXT()->cursorRight(view());
 923                                                 moveCursorUpdate(true, false);
 924                                                 owner->view_state_changed();
 925                                         }
 926                                         goto exit_with_message;
 927                                 case LFUN_LEFT:
 928                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 929                                                 TEXT()->cursorRight(view());
 930                                                 moveCursorUpdate(true, false);
 931                                                 owner->view_state_changed();
 932                                         }
 933                                         goto exit_with_message;
 934                                 case LFUN_DOWN:
 935                                         if (boost::next(TEXT()->cursor.row()) != TEXT()->rows().end())
 936                                                 TEXT()->cursorDown(view());
 937                                         else
 938                                                 TEXT()->cursorRight(view());
 939                                         moveCursorUpdate(true, false);
 940                                         owner->view_state_changed();
 941                                         goto exit_with_message;
 942                                 default:
 943                                         break;
 944                                 }
 945                         }
 946                 }
 947         }
 948
 949         switch (action) {
 950
 951         case LFUN_ESCAPE:
 952         {
 953                 if (!view()->available()) break;
 954                 // this function should be used always [asierra060396]
 955                 UpdatableInset * tli =
 956                         view()->theLockingInset();
 957                 if (tli) {
 958                         UpdatableInset * lock = tli->getLockingInset();
 959
 960                         if (tli == lock) {
 961                                 view()->unlockInset(tli);
 962                                 TEXT()->cursorRight(view());
 963                                 moveCursorUpdate(true, false);
 964                                 owner->view_state_changed();
 965                         } else {
 966                                 tli->unlockInsetInInset(view(),
 967                                                         lock,
 968                                                         true);
 969                         }
 970                         finishUndo();
 971                         // Tell the paragraph dialog that we changed paragraph
 972                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 973                 }
 974         }
 975         break;
 976
 977                 // --- Misc -------------------------------------------
 978         case LFUN_WORDFINDFORWARD  :
 979         case LFUN_WORDFINDBACKWARD : {
 980                 static string last_search;
 981                 string searched_string;
 982
 983                 if (!argument.empty()) {
 984                         last_search = argument;
 985                         searched_string = argument;
 986                 } else {
 987                         searched_string = last_search;
 988                 }
 989                 bool fw = (action == LFUN_WORDFINDFORWARD);
 990                 if (!searched_string.empty()) {
 991                         lyxfind::LyXFind(view(), searched_string, fw);
 992                 }
 993         }
 994         break;
 995
 996         case LFUN_PREFIX:
 997         {
 998                 if (view()->available() && !view()->theLockingInset()) {
 999                         view()->update(TEXT(), BufferView::SELECT);
1000                 }
1001                 owner->message(keyseq.printOptions());
1002         }
1003         break;
1004
1005         // --- Misc -------------------------------------------
1006         case LFUN_EXEC_COMMAND:
1007                 owner->focus_command_buffer();
1008                 break;
1009
1010         case LFUN_CANCEL:                   // RVDK_PATCH_5
1011                 keyseq.reset();
1012                 meta_fake_bit = key_modifier::none;
1013                 if (view()->available())
1014                         // cancel any selection
1015                         dispatch(LFUN_MARK_OFF);
1016                 setMessage(N_("Cancel"));
1017                 break;
1018
1019         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
1020         {
1021                 meta_fake_bit = key_modifier::alt;
1022                 setMessage(keyseq.print());
1023         }
1024         break;
1025
1026         case LFUN_READ_ONLY_TOGGLE:
1027                 if (owner->buffer()->lyxvc.inUse()) {
1028                         owner->buffer()->lyxvc.toggleReadOnly();
1029                 } else {
1030                         owner->buffer()->setReadonly(
1031                                 !owner->buffer()->isReadonly());
1032                 }
1033                 break;
1034
1035         case LFUN_CENTER: // this is center and redraw.
1036                 view()->center();
1037                 break;
1038
1039                 // --- Menus -----------------------------------------------
1040         case LFUN_MENUNEW:
1041                 menuNew(argument, false);
1042                 break;
1043
1044         case LFUN_MENUNEWTMPLT:
1045                 menuNew(argument, true);
1046                 break;
1047
1048         case LFUN_CLOSEBUFFER:
1049                 closeBuffer();
1050                 break;
1051
1052         case LFUN_MENUWRITE:
1053                 if (!owner->buffer()->isUnnamed()) {
1054                         ostringstream s1;
1055 #if USE_BOOST_FORMAT
1056                         s1 << boost::format(_("Saving document %1$s..."))
1057                            % MakeDisplayPath(owner->buffer()->fileName());
1058 #else
1059                         s1 << _("Saving document ")
1060                            << MakeDisplayPath(owner->buffer()->fileName())
1061                            << _("...");
1062 #endif
1063                         owner->message(STRCONV(s1.str()));
1064                         MenuWrite(view(), owner->buffer());
1065                         s1 << _(" done.");
1066                         owner->message(STRCONV(s1.str()));
1067                 } else
1068                         WriteAs(view(), owner->buffer());
1069                 break;
1070
1071         case LFUN_WRITEAS:
1072                 WriteAs(view(), owner->buffer(), argument);
1073                 break;
1074
1075         case LFUN_MENURELOAD: {
1076                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1077 #if USE_BOOST_FORMAT
1078                 boost::format fmt(_("Any changes will be lost. Are you sure you want to revert to the saved version of the document %1$s?"));
1079                 fmt % file;
1080                 string text = fmt.str();
1081 #else
1082                 string text = _("Any changes will be lost. Are you sure you want to revert to the saved version of the document");
1083                 text += file + _("?");
1084 #endif
1085                 int const ret = Alert::prompt(_("Revert to saved document?"),
1086                         text, 0, 1, _("&Revert"), _("&Cancel"));
1087
1088                 if (ret == 0)
1089                         view()->reload();
1090                 break;
1091         }
1092
1093         case LFUN_UPDATE:
1094                 Exporter::Export(owner->buffer(), argument, true);
1095                 break;
1096
1097         case LFUN_PREVIEW:
1098                 Exporter::Preview(owner->buffer(), argument);
1099                 break;
1100
1101         case LFUN_BUILDPROG:
1102                 Exporter::Export(owner->buffer(), "program", true);
1103                 break;
1104
1105         case LFUN_RUNCHKTEX:
1106                 owner->buffer()->runChktex();
1107                 break;
1108
1109         case LFUN_MENUPRINT:
1110                 owner->getDialogs().showPrint();
1111                 break;
1112
1113         case LFUN_EXPORT:
1114                 if (argument == "custom")
1115                         owner->getDialogs().showSendto();
1116                 else
1117                         Exporter::Export(owner->buffer(), argument, false);
1118                 break;
1119
1120         case LFUN_IMPORT:
1121                 doImport(argument);
1122                 break;
1123
1124         case LFUN_QUIT:
1125                 QuitLyX();
1126                 break;
1127
1128         case LFUN_TOCVIEW:
1129         {
1130                 InsetCommandParams p("tableofcontents");
1131                 string const data = InsetCommandMailer::params2string("toc", p);
1132                 owner->getDialogs().show("toc", data, 0);
1133                 break;
1134         }
1135
1136         case LFUN_AUTOSAVE:
1137                 AutoSave(view());
1138                 break;
1139
1140         case LFUN_UNDO:
1141                 view()->undo();
1142                 break;
1143
1144         case LFUN_REDO:
1145                 view()->redo();
1146                 break;
1147
1148         case LFUN_MENUSEARCH:
1149                 owner->getDialogs().showSearch();
1150                 break;
1151
1152         case LFUN_REMOVEERRORS:
1153                 if (view()->removeAutoInsets()) {
1154 #warning repaint() or update() or nothing ?
1155                         view()->repaint();
1156                         view()->fitCursor();
1157                 }
1158                 break;
1159
1160         case LFUN_DEPTH_MIN:
1161                 changeDepth(view(), TEXT(false), DEC_DEPTH, false);
1162                 owner->view_state_changed();
1163                 break;
1164
1165         case LFUN_DEPTH_PLUS:
1166                 changeDepth(view(), TEXT(false), INC_DEPTH, false);
1167                 owner->view_state_changed();
1168                 break;
1169
1170         case LFUN_FREEFONT_APPLY:
1171                 apply_freefont(view());
1172                 break;
1173
1174         case LFUN_FREEFONT_UPDATE:
1175                 update_and_apply_freefont(view(), argument);
1176                 break;
1177
1178         case LFUN_RECONFIGURE:
1179                 Reconfigure(view());
1180                 break;
1181
1182 #if 0
1183         case LFUN_FLOATSOPERATE:
1184                 if (argument == "openfoot")
1185                         view()->allFloats(1,0);
1186                 else if (argument == "closefoot")
1187                         view()->allFloats(0,0);
1188                 else if (argument == "openfig")
1189                         view()->allFloats(1,1);
1190                 else if (argument == "closefig")
1191                         view()->allFloats(0,1);
1192                 break;
1193 #else
1194 #ifdef WITH_WARNINGS
1195 //#warning Find another implementation here (or another lyxfunc)!
1196 #endif
1197 #endif
1198         case LFUN_HELP_ABOUTLYX:
1199                 owner->getDialogs().show("about");
1200                 break;
1201
1202         case LFUN_HELP_TEXINFO:
1203                 owner->getDialogs().showTexinfo();
1204                 break;
1205
1206         case LFUN_HELP_OPEN:
1207         {
1208                 string const arg = argument;
1209                 if (arg.empty()) {
1210                         setErrorMessage(N_("Missing argument"));
1211                         break;
1212                 }
1213                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1214                 if (fname.empty()) {
1215                         lyxerr << "LyX: unable to find documentation file `"
1216                                << arg << "'. Bad installation?" << endl;
1217                         break;
1218                 }
1219                 ostringstream str;
1220 #if USE_BOOST_FORMAT
1221                 str << boost::format(_("Opening help file %1$s..."))
1222                     % MakeDisplayPath(fname);
1223 #else
1224                 str << _("Opening help file ")
1225                     << MakeDisplayPath(fname) << _("...");
1226 #endif
1227                 owner->message(STRCONV(str.str()));
1228                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1229                 break;
1230         }
1231
1232                 // --- version control -------------------------------
1233         case LFUN_VC_REGISTER:
1234         {
1235                 if (!owner->buffer()->lyxvc.inUse())
1236                         owner->buffer()->lyxvc.registrer();
1237         }
1238         break;
1239
1240         case LFUN_VC_CHECKIN:
1241         {
1242                 if (owner->buffer()->lyxvc.inUse()
1243                     && !owner->buffer()->isReadonly())
1244                         owner->buffer()->lyxvc.checkIn();
1245         }
1246         break;
1247
1248         case LFUN_VC_CHECKOUT:
1249         {
1250                 if (owner->buffer()->lyxvc.inUse()
1251                     && owner->buffer()->isReadonly())
1252                         owner->buffer()->lyxvc.checkOut();
1253         }
1254         break;
1255
1256         case LFUN_VC_REVERT:
1257         {
1258                 owner->buffer()->lyxvc.revert();
1259         }
1260         break;
1261
1262         case LFUN_VC_UNDO:
1263         {
1264                 owner->buffer()->lyxvc.undoLast();
1265         }
1266         break;
1267
1268         case LFUN_VC_HISTORY:
1269         {
1270                 owner->getDialogs().show("vclog");
1271                 break;
1272         }
1273
1274         // --- buffers ----------------------------------------
1275
1276         case LFUN_SWITCHBUFFER:
1277                 view()->buffer(bufferlist.getBuffer(argument));
1278                 break;
1279
1280         case LFUN_FILE_NEW:
1281         {
1282                 // servercmd: argument must be <file>:<template>
1283                 Buffer * tmpbuf = NewFile(argument);
1284                 if (tmpbuf)
1285                         view()->buffer(tmpbuf);
1286         }
1287         break;
1288
1289         case LFUN_FILE_OPEN:
1290                 open(argument);
1291                 break;
1292
1293         case LFUN_LATEX_LOG:
1294                 owner->getDialogs().show("log");
1295                 break;
1296
1297         case LFUN_LAYOUT_DOCUMENT:
1298                 owner->getDialogs().showDocument();
1299                 break;
1300
1301         case LFUN_LAYOUT_CHARACTER: {
1302                 string data = freefont2string();
1303                 if (!data.empty())
1304                         owner->getDialogs().show("character", data);
1305                 break;
1306         }
1307
1308         case LFUN_LAYOUT_TABULAR:
1309             if (view()->theLockingInset()) {
1310                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1311                     InsetTabular * inset = static_cast<InsetTabular *>
1312                         (view()->theLockingInset());
1313                     inset->openLayoutDialog(view());
1314                 } else if (view()->theLockingInset()->
1315                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1316                     InsetTabular * inset = static_cast<InsetTabular *>(
1317                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1318                     inset->openLayoutDialog(view());
1319                 }
1320             }
1321             break;
1322
1323         case LFUN_LAYOUT_PREAMBLE:
1324                 owner->getDialogs().showPreamble();
1325                 break;
1326
1327         case LFUN_DROP_LAYOUTS_CHOICE:
1328                 owner->getToolbar().openLayoutList();
1329                 break;
1330
1331         case LFUN_MENU_OPEN_BY_NAME:
1332                 owner->getMenubar().openByName(argument);
1333                 break; // RVDK_PATCH_5
1334
1335         case LFUN_SPELLCHECK:
1336                 owner->getDialogs().showSpellchecker();
1337                 break;
1338
1339         // --- lyxserver commands ----------------------------
1340
1341
1342         case LFUN_GETNAME:
1343                 setMessage(owner->buffer()->fileName());
1344                 lyxerr[Debug::INFO] << "FNAME["
1345                                << owner->buffer()->fileName()
1346                                << "] " << endl;
1347                 break;
1348
1349         case LFUN_NOTIFY:
1350         {
1351                 dispatch_buffer = keyseq.print();
1352                 lyxserver->notifyClient(dispatch_buffer);
1353         }
1354         break;
1355
1356         case LFUN_GOTOFILEROW:
1357         {
1358                 string file_name;
1359                 int row;
1360                 istringstream istr(argument.c_str());
1361                 istr >> file_name >> row;
1362                 // Must replace extension of the file to be .lyx and get full path
1363                 string const s(ChangeExtension(file_name, ".lyx"));
1364
1365                 // Either change buffer or load the file
1366                 if (bufferlist.exists(s)) {
1367                         view()->buffer(bufferlist.getBuffer(s));
1368                 } else {
1369                         view()->buffer(bufferlist.loadLyXFile(s));
1370                 }
1371
1372                 view()->setCursorFromRow(row);
1373
1374                 view()->center();
1375                 // see BufferView_pimpl::center()
1376                 view()->updateScrollbar();
1377         }
1378         break;
1379
1380         case LFUN_GOTO_PARAGRAPH:
1381         {
1382                 istringstream istr(argument.c_str());
1383
1384                 int id;
1385                 istr >> id;
1386                 Paragraph * par = &*owner->buffer()->getParFromID(id);
1387                 if (par == 0) {
1388                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1389                                             << id << ']' << endl;
1390                         break;
1391                 } else {
1392                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1393                                             << " found." << endl;
1394                 }
1395
1396                 if (view()->theLockingInset())
1397                         view()->unlockInset(view()->theLockingInset());
1398                 if (par->inInset()) {
1399                         par->inInset()->edit(view());
1400                 }
1401                 // Set the cursor
1402                 view()->getLyXText()->setCursor(par, 0);
1403                 view()->switchKeyMap();
1404                 owner->view_state_changed();
1405
1406                 view()->center();
1407                 // see BufferView_pimpl::center()
1408                 view()->updateScrollbar();
1409         }
1410         break;
1411
1412         // --- insert characters ----------------------------------------
1413
1414         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1415         case LFUN_MATH_EXTERN:
1416         case LFUN_MATH_NUMBER:
1417         case LFUN_MATH_NONUMBER:
1418         case LFUN_MATH_LIMITS:
1419         {
1420                 setErrorMessage(N_("This is only allowed in math mode!"));
1421         }
1422         break;
1423
1424         // passthrough hat and underscore outside mathed:
1425         case LFUN_SUBSCRIPT:
1426                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1427                 break;
1428         case LFUN_SUPERSCRIPT:
1429                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1430                 break;
1431
1432         case LFUN_MATH_PANEL:
1433                 owner->getDialogs().showMathPanel();
1434                 break;
1435
1436         case LFUN_DIALOG_SHOW_NEW_INSET: {
1437                 string const & name = argument;
1438                 string data;
1439                 if (name == "bibitem" ||
1440                     name == "bibtex" ||
1441                     name == "include" ||
1442                     name == "index" ||
1443                     name == "ref" ||
1444                     name == "toc" ||
1445                     name == "url") {
1446                         InsetCommandParams p(name);
1447                         data = InsetCommandMailer::params2string(name, p);
1448                 } else if (name == "citation") {
1449                         InsetCommandParams p("cite");
1450                         data = InsetCommandMailer::params2string(name, p);
1451                 }
1452                 owner->getDialogs().show(name, data, 0);
1453         }
1454         break;
1455
1456         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1457         }
1458         break;
1459
1460         case LFUN_DIALOG_UPDATE: {
1461                 string const & name = argument;
1462                 // Can only update a dialog connected to an existing inset
1463                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1464                 if (inset) {
1465                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1466                                        ev.argument);
1467                         inset->localDispatch(fr);
1468                 } else if (name == "paragraph") {
1469                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1470                 }
1471         }
1472         break;
1473
1474         case LFUN_DIALOG_HIDE:
1475                 Dialogs::hide(argument, 0);
1476                 break;
1477
1478         case LFUN_DIALOG_DISCONNECT_INSET:
1479                 owner->getDialogs().disconnect(argument);
1480                 break;
1481
1482         case LFUN_CHILDOPEN:
1483         {
1484                 string const filename =
1485                         MakeAbsPath(argument,
1486                                     owner->buffer()->filePath());
1487                 setMessage(N_("Opening child document ") +
1488                            MakeDisplayPath(filename) + "...");
1489                 view()->savePosition(0);
1490                 if (bufferlist.exists(filename))
1491                         view()->buffer(bufferlist.getBuffer(filename));
1492                 else
1493                         view()->buffer(bufferlist.loadLyXFile(filename));
1494         }
1495         break;
1496
1497         case LFUN_TOGGLECURSORFOLLOW:
1498                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1499                 break;
1500
1501         case LFUN_KMAP_OFF:
1502                 owner->getIntl().KeyMapOn(false);
1503                 break;
1504
1505         case LFUN_KMAP_PRIM:
1506                 owner->getIntl().KeyMapPrim();
1507                 break;
1508
1509         case LFUN_KMAP_SEC:
1510                 owner->getIntl().KeyMapSec();
1511                 break;
1512
1513         case LFUN_KMAP_TOGGLE:
1514                 owner->getIntl().ToggleKeyMap();
1515                 break;
1516
1517         case LFUN_SEQUENCE:
1518         {
1519                 // argument contains ';'-terminated commands
1520                 while (!argument.empty()) {
1521                         string first;
1522                         argument = split(argument, first, ';');
1523                         dispatch(first);
1524                 }
1525         }
1526         break;
1527
1528         case LFUN_DIALOG_PREFERENCES:
1529                 owner->getDialogs().showPreferences();
1530                 break;
1531
1532         case LFUN_SAVEPREFERENCES:
1533         {
1534                 Path p(user_lyxdir);
1535                 lyxrc.write("preferences");
1536         }
1537         break;
1538
1539         case LFUN_SCREEN_FONT_UPDATE:
1540         {
1541                 // handle the screen font changes.
1542                 lyxrc.set_font_norm_type();
1543                 lyx_gui::update_fonts();
1544                 // We also need to empty the textcache so that
1545                 // the buffer will be formatted correctly after
1546                 // a zoom change.
1547                 textcache.clear();
1548                 // Of course we should only do the resize and the textcache.clear
1549                 // if values really changed...but not very important right now. (Lgb)
1550                 // All visible buffers will need resize
1551                 view()->resize();
1552                 view()->repaint();
1553         }
1554         break;
1555
1556         case LFUN_SET_COLOR:
1557         {
1558                 string lyx_name;
1559                 string const x11_name = split(argument, lyx_name, ' ');
1560                 if (lyx_name.empty() || x11_name.empty()) {
1561                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1562                                                 " <x11_name>"));
1563                         break;
1564                         }
1565
1566                 bool const graphicsbg_changed =
1567                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1568                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1569
1570                 if (!lcolor.setColor(lyx_name, x11_name)) {
1571 #if USE_BOOST_FORMAT
1572                         setErrorMessage(
1573                                 boost::io::str(
1574                                         boost::format(
1575                                                 _("Set-color \"%1$s\" failed "
1576                                                   "- color is undefined or "
1577                                                   "may not be redefined"))
1578                                         % lyx_name));
1579 #else
1580                         setErrorMessage(_("Set-color ") + lyx_name
1581                                         + _(" failed - color is undefined"
1582                                             " or may not be redefined"));
1583 #endif
1584
1585                         break;
1586                 }
1587
1588                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1589
1590                 if (graphicsbg_changed) {
1591 #ifdef WITH_WARNINGS
1592 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1593 #endif
1594 #if 0
1595                         grfx::GCache & gc = grfx::GCache::get();
1596                         gc.changeDisplay(true);
1597 #endif
1598                 }
1599
1600                 view()->repaint();
1601                 break;
1602         }
1603
1604         case LFUN_MESSAGE:
1605                 owner->message(argument);
1606                 break;
1607
1608         case LFUN_FORKS_SHOW:
1609                 owner->getDialogs().showForks();
1610                 break;
1611
1612         case LFUN_FORKS_KILL:
1613         {
1614                 if (!isStrInt(argument))
1615                         break;
1616
1617                 pid_t const pid = strToInt(argument);
1618                 ForkedcallsController & fcc = ForkedcallsController::get();
1619                 fcc.kill(pid);
1620                 break;
1621         }
1622
1623         case LFUN_TOOLTIPS_TOGGLE:
1624                 owner->getDialogs().toggleTooltips();
1625                 break;
1626
1627         default:
1628                 // Then if it was none of the above
1629                 // Trying the BufferView::pimpl dispatch:
1630                 if (!view()->dispatch(ev))
1631                         lyxerr << "A truly unknown func ["
1632                                << lyxaction.getActionName(ev.action) << "]!"
1633                                << endl;
1634                 break;
1635         } // end of switch
1636
1637 exit_with_message:
1638
1639         view()->owner()->updateLayoutChoice();
1640
1641         if (view()->available()) {
1642                 view()->fitCursor();
1643
1644                 // If we executed a mutating lfun, mark the buffer as dirty
1645                 if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)
1646                     && !lyxaction.funcHasFlag(ev.action, LyXAction::ReadOnly))
1647                         view()->buffer()->markDirty();
1648         }
1649
1650         sendDispatchMessage(getMessage(), ev, verbose);
1651 }
1652
1653
1654 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1655 {
1656         owner->updateMenubar();
1657         owner->updateToolbar();
1658
1659         if (ev.action == LFUN_SELFINSERT || !verbose) {
1660                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1661                 if (!msg.empty())
1662                         owner->message(msg);
1663                 return;
1664         }
1665
1666         string dispatch_msg = msg;
1667         if (!dispatch_msg.empty())
1668                 dispatch_msg += ' ';
1669
1670         string comname = lyxaction.getActionName(ev.action);
1671
1672         int pseudoaction = ev.action;
1673         bool argsadded = false;
1674
1675         if (!ev.argument.empty()) {
1676                 // the pseudoaction is useful for the bindings
1677                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1678
1679                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1680                         pseudoaction = ev.action;
1681                 } else {
1682                         comname += ' ' + ev.argument;
1683                         argsadded = true;
1684                 }
1685         }
1686
1687         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1688
1689         if (!shortcuts.empty()) {
1690                 comname += ": " + shortcuts;
1691         } else if (!argsadded && !ev.argument.empty()) {
1692                 comname += ' ' + ev.argument;
1693         }
1694
1695         if (!comname.empty()) {
1696                 comname = rtrim(comname);
1697                 dispatch_msg += '(' + comname + ')';
1698         }
1699
1700         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1701         if (!dispatch_msg.empty())
1702                 owner->message(dispatch_msg);
1703 }
1704
1705
1706 void LyXFunc::setupLocalKeymap()
1707 {
1708         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1709         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1710 }
1711
1712
1713 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1714 {
1715         string initpath = lyxrc.document_path;
1716         string filename(name);
1717
1718         if (view()->available()) {
1719                 string const trypath = owner->buffer()->filePath();
1720                 // If directory is writeable, use this as default.
1721                 if (IsDirWriteable(trypath))
1722                         initpath = trypath;
1723         }
1724
1725         static int newfile_number;
1726
1727         if (filename.empty()) {
1728                 filename = AddName(lyxrc.document_path,
1729                             "newfile" + tostr(++newfile_number) + ".lyx");
1730                 FileInfo fi(filename);
1731                 while (bufferlist.exists(filename) || fi.readable()) {
1732                         ++newfile_number;
1733                         filename = AddName(lyxrc.document_path,
1734                                     "newfile" + tostr(newfile_number) +
1735                                     ".lyx");
1736                         fi.newFile(filename);
1737                 }
1738         }
1739
1740         // The template stuff
1741         string templname;
1742         if (fromTemplate) {
1743                 FileDialog fileDlg(_("Select template file"),
1744                         LFUN_SELECT_FILE_SYNC,
1745                         make_pair(string(_("Documents|#o#O")),
1746                                   string(lyxrc.document_path)),
1747                         make_pair(string(_("Templates|#T#t")),
1748                                   string(lyxrc.template_path)));
1749
1750                 FileDialog::Result result =
1751                         fileDlg.open(lyxrc.template_path,
1752                                        _("*.lyx| LyX Documents (*.lyx)"));
1753
1754                 if (result.first == FileDialog::Later)
1755                         return;
1756
1757                 string const fname = result.second;
1758
1759                 if (fname.empty())
1760                         return;
1761                 templname = fname;
1762         }
1763
1764         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1765 }
1766
1767
1768 void LyXFunc::open(string const & fname)
1769 {
1770         string initpath = lyxrc.document_path;
1771
1772         if (view()->available()) {
1773                 string const trypath = owner->buffer()->filePath();
1774                 // If directory is writeable, use this as default.
1775                 if (IsDirWriteable(trypath))
1776                         initpath = trypath;
1777         }
1778
1779         string filename;
1780
1781         if (fname.empty()) {
1782                 FileDialog fileDlg(_("Select document to open"),
1783                         LFUN_FILE_OPEN,
1784                         make_pair(string(_("Documents|#o#O")),
1785                                   string(lyxrc.document_path)),
1786                         make_pair(string(_("Examples|#E#e")),
1787                                   string(AddPath(system_lyxdir, "examples"))));
1788
1789                 FileDialog::Result result =
1790                         fileDlg.open(initpath,
1791                                        _("*.lyx| LyX Documents (*.lyx)"));
1792
1793                 if (result.first == FileDialog::Later)
1794                         return;
1795
1796                 filename = result.second;
1797
1798                 // check selected filename
1799                 if (filename.empty()) {
1800                         owner->message(_("Canceled."));
1801                         return;
1802                 }
1803         } else
1804                 filename = fname;
1805
1806         // get absolute path of file and add ".lyx" to the filename if
1807         // necessary
1808         string const fullpath = FileSearch(string(), filename, "lyx");
1809         if (!fullpath.empty()) {
1810                 filename = fullpath;
1811         }
1812
1813         string const disp_fn(MakeDisplayPath(filename));
1814
1815         // if the file doesn't exist, let the user create one
1816         FileInfo const f(filename, true);
1817         if (!f.exist()) {
1818                 // the user specifically chose this name. Believe them.
1819                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1820                 view()->buffer(buffer);
1821                 return;
1822         }
1823
1824         ostringstream str;
1825 #if USE_BOOST_FORMAT
1826         str << boost::format(_("Opening document %1$s...")) % disp_fn;
1827 #else
1828         str << _("Opening document ") << disp_fn << _("...");
1829 #endif
1830
1831         owner->message(STRCONV(str.str()));
1832
1833         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1834         ostringstream str2;
1835         if (openbuf) {
1836                 view()->buffer(openbuf);
1837 #if USE_BOOST_FORMAT
1838                 str2 << boost::format(_("Document %1$s opened.")) % disp_fn;
1839 #else
1840                 str2 << _("Document ") << disp_fn << _(" opened.");
1841 #endif
1842         } else {
1843 #if USE_BOOST_FORMAT
1844                 str2 << boost::format(_("Could not open document %1$s"))
1845                         % disp_fn;
1846 #else
1847                 str2 << _("Could not open document ") << disp_fn;
1848 #endif
1849         }
1850         owner->message(STRCONV(str2.str()));
1851 }
1852
1853
1854 void LyXFunc::doImport(string const & argument)
1855 {
1856         string format;
1857         string filename = split(argument, format, ' ');
1858
1859         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1860                             << " file: " << filename << endl;
1861
1862         // need user interaction
1863         if (filename.empty()) {
1864                 string initpath = lyxrc.document_path;
1865
1866                 if (view()->available()) {
1867                         string const trypath = owner->buffer()->filePath();
1868                         // If directory is writeable, use this as default.
1869                         if (IsDirWriteable(trypath))
1870                                 initpath = trypath;
1871                 }
1872
1873 #if USE_BOOST_FORMAT
1874                 boost::format fmt(_("Select %1$s file to import"));
1875                 fmt % formats.prettyName(format);
1876                 string const text = fmt.str();
1877 #else
1878                 string const text = _("Select ") + formats.prettyName(format)
1879                         + _(" file to import");;
1880 #endif
1881
1882                 FileDialog fileDlg(text,
1883                         LFUN_IMPORT,
1884                         make_pair(string(_("Documents|#o#O")),
1885                                   string(lyxrc.document_path)),
1886                         make_pair(string(_("Examples|#E#e")),
1887                                   string(AddPath(system_lyxdir, "examples"))));
1888
1889                 string const extension = "*." + formats.extension(format)
1890                         + "| " + formats.prettyName(format)
1891                         + " (*." + formats.extension(format) + ')';
1892
1893                 FileDialog::Result result = fileDlg.open(initpath,
1894                                                            extension);
1895
1896                 if (result.first == FileDialog::Later)
1897                         return;
1898
1899                 filename = result.second;
1900
1901                 // check selected filename
1902                 if (filename.empty())
1903                         owner->message(_("Canceled."));
1904         }
1905
1906         if (filename.empty())
1907                 return;
1908
1909         // get absolute path of file
1910         filename = MakeAbsPath(filename);
1911
1912         string const lyxfile = ChangeExtension(filename, ".lyx");
1913
1914         // Check if the document already is open
1915         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1916                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1917                         owner->message(_("Canceled."));
1918                         return;
1919                 }
1920         }
1921
1922         // if the file exists already, and we didn't do
1923         // -i lyx thefile.lyx, warn
1924         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1925                 string const file = MakeDisplayPath(lyxfile, 30);
1926
1927 #if USE_BOOST_FORMAT
1928                 boost::format fmt(_("The document %1$s already exists.\n\nDo you want to over-write that document?"));
1929                 fmt % file;
1930                 string text = fmt.str();
1931 #else
1932                 string text = _("The document ");
1933                 text += file + _(" already exists.\n\nDo you want to over-write that document?");
1934 #endif
1935                 int const ret = Alert::prompt(_("Over-write document?"),
1936                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1937
1938                 if (ret == 1) {
1939                         owner->message(_("Canceled."));
1940                         return;
1941                 }
1942         }
1943
1944         Importer::Import(owner, filename, format);
1945 }
1946
1947
1948 void LyXFunc::closeBuffer()
1949 {
1950         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1951                 if (bufferlist.empty()) {
1952                         // need this otherwise SEGV may occur while trying to
1953                         // set variables that don't exist
1954                         // since there's no current buffer
1955                         owner->getDialogs().hideBufferDependent();
1956                 } else {
1957                         view()->buffer(bufferlist.first());
1958                 }
1959         }
1960 }
1961
1962
1963 // Each "owner" should have it's own message method. lyxview and
1964 // the minibuffer would use the minibuffer, but lyxserver would
1965 // send an ERROR signal to its client.  Alejandro 970603
1966 // This func is bit problematic when it comes to NLS, to make the
1967 // lyx servers client be language indepenent we must not translate
1968 // strings sent to this func.
1969 void LyXFunc::setErrorMessage(string const & m) const
1970 {
1971         dispatch_buffer = m;
1972         errorstat = true;
1973 }
1974
1975
1976 void LyXFunc::setMessage(string const & m) const
1977 {
1978         dispatch_buffer = m;
1979 }
1980
1981
1982 void LyXFunc::setStatusMessage(string const & m) const
1983 {
1984         status_buffer = m;
1985 }
1986
1987
1988 string const LyXFunc::view_status_message()
1989 {
1990         // When meta-fake key is pressed, show the key sequence so far + "M-".
1991         if (wasMetaKey()) {
1992                 return keyseq.print() + "M-";
1993         }
1994
1995         // Else, when a non-complete key sequence is pressed,
1996         // show the available options.
1997         if (keyseq.length() > 0 && !keyseq.deleted()) {
1998                 return keyseq.printOptions();
1999         }
2000
2001         if (!view()->available())
2002                 return _("Welcome to LyX!");
2003
2004         return currentState(view());
2005 }
2006
2007
2008 BufferView * LyXFunc::view() const
2009 {
2010         lyx::Assert(owner);
2011         return owner->view().get();
2012 }