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/inseterror.h"
  47 #include "insets/insetert.h"
  48 #include "insets/insettabular.h"
  49
  50 #include "mathed/formulamacro.h"
  51 #include "mathed/math_cursor.h"
  52 #include "mathed/math_inset.h"
  53
  54 #include "frontends/FileDialog.h"
  55 #include "frontends/Dialogs.h"
  56 #include "frontends/Toolbar.h"
  57 #include "frontends/Menubar.h"
  58 #include "frontends/Alert.h"
  59
  60 #include "graphics/GraphicsCache.h"
  61
  62 #include "support/lyxalgo.h"
  63 #include "support/LAssert.h"
  64 #include "support/filetools.h"
  65 #include "support/FileInfo.h"
  66 #include "support/forkedcontr.h"
  67 #include "support/lstrings.h"
  68 #include "support/path.h"
  69 #include "support/lyxfunctional.h"
  70
  71 #include "BoostFormat.h"
  72
  73 #include <ctime>
  74 #include <clocale>
  75 #include <cstdlib>
  76 #include <cctype>
  77
  78 #include <utility>
  79 #include <algorithm>
  80
  81 using std::pair;
  82 using std::make_pair;
  83 using std::endl;
  84 using std::find_if;
  85 using std::vector;
  86 using std::transform;
  87 using std::back_inserter;
  88
  89 extern BufferList bufferlist;
  90 extern LyXServer * lyxserver;
  91 extern bool selection_possible;
  92
  93 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
  94
  95 // (alkis)
  96 extern tex_accent_struct get_accent(kb_action action);
  97
  98 extern void ShowLatexLog();
  99
 100
 101 LyXFunc::LyXFunc(LyXView * o)
 102         : owner(o),
 103         encoded_last_key(0),
 104         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 105         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 106         meta_fake_bit(key_modifier::none)
 107 {
 108 }
 109
 110
 111 inline
 112 LyXText * LyXFunc::TEXT(bool flag = true) const
 113 {
 114         if (flag)
 115                 return view()->text;
 116         return view()->getLyXText();
 117 }
 118
 119
 120 inline
 121 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 122 {
 123         if (selecting || TEXT(flag)->selection.mark()) {
 124                 TEXT(flag)->setSelection();
 125                 if (!TEXT(flag)->isInInset())
 126                     view()->toggleToggle();
 127         }
 128         view()->update(TEXT(flag), BufferView::SELECT);
 129         view()->showCursor();
 130
 131         view()->switchKeyMap();
 132 }
 133
 134
 135 void LyXFunc::handleKeyFunc(kb_action action)
 136 {
 137         char c = encoded_last_key;
 138
 139         if (keyseq.length()) {
 140                 c = 0;
 141         }
 142
 143         owner->getIntl().getTransManager()
 144                 .deadkey(c, get_accent(action).accent, TEXT(false));
 145         // Need to clear, in case the minibuffer calls these
 146         // actions
 147         keyseq.clear();
 148         // copied verbatim from do_accent_char
 149         view()->update(TEXT(false), BufferView::SELECT);
 150         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 151 }
 152
 153
 154 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 155                             key_modifier::state state)
 156 {
 157         string argument;
 158
 159         if (lyxerr.debugging(Debug::KEY)) {
 160                 lyxerr << "KeySym is "
 161                        << keysym->getSymbolName()
 162                        << endl;
 163         }
 164
 165         // Do nothing if we have nothing (JMarc)
 166         if (!keysym->isOK()) {
 167                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 168                                    << endl;
 169                 return;
 170         }
 171
 172         if (keysym->isModifier()) {
 173                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 174                 return;
 175         }
 176
 177         Encoding const * encoding = view()->getEncoding();
 178
 179         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 180
 181         // Do a one-deep top-level lookup for
 182         // cancel and meta-fake keys. RVDK_PATCH_5
 183         cancel_meta_seq.reset();
 184
 185         int action = cancel_meta_seq.addkey(keysym, state);
 186         lyxerr[Debug::KEY] << "action first set to [" << action << ']' << endl;
 187
 188         // When not cancel or meta-fake, do the normal lookup.
 189         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 190         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 191         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 192                 // remove Caps Lock and Mod2 as a modifiers
 193                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 194                 lyxerr[Debug::KEY] << "action now set to ["
 195                         << action << ']' << endl;
 196         }
 197
 198         // Dont remove this unless you know what you are doing.
 199         meta_fake_bit = key_modifier::none;
 200
 201         // can this happen now ?
 202         if (action == LFUN_NOACTION) {
 203                 action = LFUN_PREFIX;
 204         }
 205
 206         if (lyxerr.debugging(Debug::KEY)) {
 207                 lyxerr << "Key [action="
 208                        << action << "]["
 209                        << keyseq.print() << ']'
 210                        << endl;
 211         }
 212
 213         // already here we know if it any point in going further
 214         // why not return already here if action == -1 and
 215         // num_bytes == 0? (Lgb)
 216
 217         if (keyseq.length() > 1) {
 218                 owner->message(keyseq.print());
 219         }
 220
 221
 222         // Maybe user can only reach the key via holding down shift.
 223         // Let's see. But only if shift is the only modifier
 224         if (action == LFUN_UNKNOWN_ACTION && state == key_modifier::shift) {
 225                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 226                 action = keyseq.addkey(keysym, key_modifier::none);
 227                 lyxerr[Debug::KEY] << "Action now " << action << endl;
 228         }
 229
 230         if (action == LFUN_UNKNOWN_ACTION) {
 231                 // Hmm, we didn't match any of the keysequences. See
 232                 // if it's normal insertable text not already covered
 233                 // by a binding
 234                 if (keysym->isText() && keyseq.length() == 1) {
 235                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 236                         action = LFUN_SELFINSERT;
 237                 } else {
 238                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 239                         owner->message(_("Unknown function."));
 240                         return;
 241                 }
 242         }
 243
 244         if (action == LFUN_SELFINSERT) {
 245                 if (encoded_last_key != 0) {
 246                         string arg;
 247                         arg += encoded_last_key;
 248
 249                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 250
 251                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 252                                    << argument << "']" << endl;
 253                 }
 254         } else {
 255                 dispatch(action);
 256         }
 257 }
 258
 259
 260 FuncStatus LyXFunc::getStatus(int ac) const
 261 {
 262         return getStatus(lyxaction.retrieveActionArg(ac));
 263 }
 264
 265
 266 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 267 {
 268         FuncStatus flag;
 269         Buffer * buf = owner->buffer();
 270
 271         if (ev.action == LFUN_NOACTION) {
 272                 setStatusMessage(N_("Nothing to do"));
 273                 return flag.disabled(true);
 274         }
 275
 276         switch (ev.action) {
 277         case LFUN_UNKNOWN_ACTION:
 278 #ifndef HAVE_LIBAIKSAURUS
 279         case LFUN_THESAURUS_ENTRY:
 280 #endif
 281                 flag.unknown(true);
 282                 break;
 283         default:
 284                 flag |= lyx_gui::getStatus(ev);
 285         }
 286
 287         if (flag.unknown()) {
 288                 setStatusMessage(N_("Unknown action"));
 289                 return flag;
 290         }
 291
 292         // the default error message if we disable the command
 293         setStatusMessage(N_("Command disabled"));
 294
 295         // Check whether we need a buffer
 296         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 297                 // Yes we need a buffer, do we have one?
 298                 if (buf) {
 299                         // yes
 300                         // Can we use a readonly buffer?
 301                         if (buf->isReadonly() &&
 302                             !lyxaction.funcHasFlag(ev.action,
 303                                                    LyXAction::ReadOnly)) {
 304                                 // no
 305                                 setStatusMessage(N_("Document is read-only"));
 306                                 flag.disabled(true);
 307                         }
 308                 } else {
 309                         // no
 310                         setStatusMessage(N_("Command not allowed with"
 311                                            "out any document open"));
 312                         return flag.disabled(true);
 313                 }
 314         }
 315
 316         UpdatableInset * tli = view()->theLockingInset();
 317
 318         // I would really like to avoid having this switch and rather try to
 319         // encode this in the function itself.
 320         bool disable = false;
 321         switch (ev.action) {
 322         case LFUN_MENUPRINT:
 323                 disable = !Exporter::IsExportable(buf, "dvi")
 324                         || lyxrc.print_command == "none";
 325                 break;
 326         case LFUN_EXPORT:
 327                 disable = ev.argument != "custom"
 328                         && !Exporter::IsExportable(buf, ev.argument);
 329                 break;
 330         case LFUN_UNDO:
 331                 disable = buf->undostack.empty();
 332                 break;
 333         case LFUN_REDO:
 334                 disable = buf->redostack.empty();
 335                 break;
 336         case LFUN_CUT:
 337         case LFUN_COPY:
 338                 if (tli) {
 339                         UpdatableInset * in = tli;
 340                         if (in->lyxCode() != Inset::TABULAR_CODE) {
 341                                 in = tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
 342                         }
 343                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 344                                 disable = false;
 345                                 break;
 346                         }
 347                 }
 348                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 349                 break;
 350         case LFUN_RUNCHKTEX:
 351                 disable = lyxrc.chktex_command == "none";
 352                 break;
 353         case LFUN_BUILDPROG:
 354                 disable = !Exporter::IsExportable(buf, "program");
 355                 break;
 356
 357         case LFUN_LAYOUT_CHARACTER:
 358                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 359                 break;
 360
 361         case LFUN_LAYOUT_TABULAR:
 362                 disable = !tli
 363                         || (tli->lyxCode() != Inset::TABULAR_CODE
 364                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 365                 break;
 366
 367         case LFUN_LAYOUT:
 368         case LFUN_LAYOUT_PARAGRAPH: {
 369                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 370                 disable = inset && inset->forceDefaultParagraphs(inset);
 371                 break;
 372         }
 373
 374         case LFUN_INSET_OPTARG:
 375                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
 376                 break;
 377
 378         case LFUN_TABULAR_FEATURE:
 379                 if (mathcursor) {
 380 #if 0
 381                         // FIXME: check temporarily disabled
 382                         // valign code
 383                         char align = mathcursor->valign();
 384                         if (align == '\0') {
 385                                 disable = true;
 386                                 break;
 387                         }
 388                         if (ev.argument.empty()) {
 389                                 flag.clear();
 390                                 break;
 391                         }
 392                         if (!contains("tcb", ev.argument[0])) {
 393                                 disable = true;
 394                                 break;
 395                         }
 396                         flag.setOnOff(ev.argument[0] == align);
 397                 } else
 398                         disable = true;
 399
 400                         char align = mathcursor->halign();
 401                         if (align == '\0') {
 402                                 disable = true;
 403                                 break;
 404                         }
 405                         if (ev.argument.empty()) {
 406                                 flag.clear();
 407                                 break;
 408                         }
 409                         if (!contains("lcr", ev.argument[0])) {
 410                                 disable = true;
 411                                 break;
 412                         }
 413                         flag.setOnOff(ev.argument[0] == align);
 414 #endif
 415
 416                         disable = !mathcursor->halign();
 417                         break;
 418                 }
 419
 420                 if (tli) {
 421                         FuncStatus ret;
 422                         //ret.disabled(true);
 423                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 424                                 ret = static_cast<InsetTabular *>(tli)
 425                                         ->getStatus(ev.argument);
 426                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 427                                 ret = static_cast<InsetTabular *>
 428                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 429                                         ->getStatus(ev.argument);
 430                         }
 431                         flag |= ret;
 432                         disable = false;
 433                 } else {
 434                         static InsetTabular inset(*owner->buffer(), 1, 1);
 435                         FuncStatus ret;
 436
 437                         disable = true;
 438                         ret = inset.getStatus(ev.argument);
 439                         if (ret.onoff(true) || ret.onoff(false))
 440                                 flag.setOnOff(false);
 441                 }
 442                 break;
 443
 444         case LFUN_VC_REGISTER:
 445                 disable = buf->lyxvc.inUse();
 446                 break;
 447         case LFUN_VC_CHECKIN:
 448                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 449                 break;
 450         case LFUN_VC_CHECKOUT:
 451                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 452                 break;
 453         case LFUN_VC_REVERT:
 454         case LFUN_VC_UNDO:
 455         case LFUN_VC_HISTORY:
 456                 disable = !buf->lyxvc.inUse();
 457                 break;
 458         case LFUN_MENURELOAD:
 459                 disable = buf->isUnnamed() || buf->isClean();
 460                 break;
 461         case LFUN_BOOKMARK_GOTO:
 462                 disable =  !view()->
 463                         isSavedPosition(strToUnsignedInt(ev.argument));
 464                 break;
 465         case LFUN_MERGE_CHANGES:
 466         case LFUN_ACCEPT_CHANGE:
 467         case LFUN_REJECT_CHANGE:
 468         case LFUN_ACCEPT_ALL_CHANGES:
 469         case LFUN_REJECT_ALL_CHANGES:
 470                 disable = !buf->params.tracking_changes;
 471                 break;
 472         case LFUN_INSET_TOGGLE: {
 473                 LyXText * lt = view()->getLyXText();
 474                 disable = !(isEditableInset(lt->getInset())
 475                             || (lt->inset_owner
 476                                 && lt->inset_owner->owner()
 477                                 && lt->inset_owner->owner()->isOpen()));
 478                 break;
 479         }
 480         case LFUN_LATEX_LOG:
 481                 disable = !IsFileReadable(buf->getLogName().second);
 482                 break;
 483
 484         case LFUN_MATH_MUTATE:
 485                 if (mathcursor)
 486                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 487                         flag.setOnOff(false);
 488                 else
 489                         disable = true;
 490                 break;
 491
 492         // we just need to be in math mode to enable that
 493         case LFUN_MATH_SIZE:
 494         case LFUN_MATH_SPACE:
 495         case LFUN_MATH_LIMITS:
 496         case LFUN_MATH_NONUMBER:
 497         case LFUN_MATH_NUMBER:
 498         case LFUN_MATH_EXTERN:
 499                 disable = !mathcursor;
 500                 break;
 501
 502         default:
 503                 break;
 504         }
 505
 506         // the functions which insert insets
 507         Inset::Code code = Inset::NO_CODE;
 508         switch (ev.action) {
 509         case LFUN_DIALOG_SHOW_NEW_INSET:
 510                 if (ev.argument == "bibitem")
 511                         code = Inset::BIBITEM_CODE;
 512                 else if (ev.argument == "bibtex")
 513                         code = Inset::BIBTEX_CODE;
 514                 else if (ev.argument == "citation")
 515                         code = Inset::CITE_CODE;
 516                 else if (ev.argument == "ert")
 517                         code = Inset::ERT_CODE;
 518                 else if (ev.argument == "external")
 519                         code = Inset::EXTERNAL_CODE;
 520                 else if (ev.argument == "float")
 521                         code = Inset::FLOAT_CODE;
 522                 else if (ev.argument == "graphics")
 523                         code = Inset::GRAPHICS_CODE;
 524                 else if (ev.argument == "include")
 525                         code = Inset::INCLUDE_CODE;
 526                 else if (ev.argument == "index")
 527                         code = Inset::INDEX_CODE;
 528                 else if (ev.argument == "label")
 529                         code = Inset::LABEL_CODE;
 530                 else if (ev.argument == "minipage")
 531                         code = Inset::MINIPAGE_CODE;
 532                 else if (ev.argument == "ref")
 533                         code = Inset::REF_CODE;
 534                 else if (ev.argument == "toc")
 535                         code = Inset::TOC_CODE;
 536                 else if (ev.argument == "url")
 537                         code = Inset::URL_CODE;
 538                 else if (ev.argument == "wrap")
 539                         code = Inset::WRAP_CODE;
 540                 break;
 541
 542         case LFUN_INSET_ERT:
 543                 code = Inset::ERT_CODE;
 544                 break;
 545         case LFUN_INSET_FOOTNOTE:
 546                 code = Inset::FOOT_CODE;
 547                 break;
 548         case LFUN_TABULAR_INSERT:
 549                 code = Inset::TABULAR_CODE;
 550                 break;
 551         case LFUN_INSET_MARGINAL:
 552                 code = Inset::MARGIN_CODE;
 553                 break;
 554         case LFUN_INSET_MINIPAGE:
 555                 code = Inset::MINIPAGE_CODE;
 556                 break;
 557         case LFUN_INSET_FLOAT:
 558         case LFUN_INSET_WIDE_FLOAT:
 559                 code = Inset::FLOAT_CODE;
 560                 break;
 561         case LFUN_INSET_WRAP:
 562                 code = Inset::WRAP_CODE;
 563                 break;
 564         case LFUN_FLOAT_LIST:
 565                 code = Inset::FLOAT_LIST_CODE;
 566                 break;
 567 #if 0
 568         case LFUN_INSET_LIST:
 569                 code = Inset::LIST_CODE;
 570                 break;
 571         case LFUN_INSET_THEOREM:
 572                 code = Inset::THEOREM_CODE;
 573                 break;
 574 #endif
 575         case LFUN_INSET_CAPTION:
 576                 code = Inset::CAPTION_CODE;
 577                 break;
 578         case LFUN_INSERT_NOTE:
 579                 code = Inset::NOTE_CODE;
 580                 break;
 581         case LFUN_INSERT_LABEL:
 582                 code = Inset::LABEL_CODE;
 583                 break;
 584         case LFUN_INSET_OPTARG:
 585                 code = Inset::OPTARG_CODE;
 586                 break;
 587         case LFUN_ENVIRONMENT_INSERT:
 588                 code = Inset::MINIPAGE_CODE;
 589                 break;
 590         case LFUN_INDEX_INSERT:
 591                 code = Inset::INDEX_CODE;
 592                 break;
 593         case LFUN_INDEX_PRINT:
 594                 code = Inset::INDEX_PRINT_CODE;
 595                 break;
 596         case LFUN_TOC_INSERT:
 597                 code = Inset::TOC_CODE;
 598                 break;
 599         case LFUN_PARENTINSERT:
 600                 code = Inset::PARENT_CODE;
 601                 break;
 602         case LFUN_HTMLURL:
 603         case LFUN_URL:
 604                 code = Inset::URL_CODE;
 605                 break;
 606         case LFUN_QUOTE:
 607                 // always allow this, since we will inset a raw quote
 608                 // if an inset is not allowed.
 609                 break;
 610         case LFUN_HYPHENATION:
 611         case LFUN_LIGATURE_BREAK:
 612         case LFUN_HFILL:
 613         case LFUN_MENU_SEPARATOR:
 614         case LFUN_LDOTS:
 615         case LFUN_END_OF_SENTENCE:
 616                 code = Inset::SPECIALCHAR_CODE;
 617                 break;
 618         case LFUN_PROTECTEDSPACE:
 619                 // slight hack: we know this is allowed in math mode
 620                 if (!mathcursor)
 621                         code = Inset::SPECIALCHAR_CODE;
 622                 break;
 623         default:
 624                 break;
 625         }
 626         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 627                 disable = true;
 628
 629         if (disable)
 630                 flag.disabled(true);
 631
 632         // A few general toggles
 633         switch (ev.action) {
 634         case LFUN_TOOLTIPS_TOGGLE:
 635                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 636                 break;
 637
 638         case LFUN_READ_ONLY_TOGGLE:
 639                 flag.setOnOff(buf->isReadonly());
 640                 break;
 641         case LFUN_APPENDIX:
 642                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 643                 break;
 644         case LFUN_SWITCHBUFFER:
 645                 // toggle on the current buffer, but do not toggle off
 646                 // the other ones (is that a good idea?)
 647                 if (ev.argument == buf->fileName())
 648                         flag.setOnOff(true);
 649                 break;
 650         case LFUN_TRACK_CHANGES:
 651                 flag.setOnOff(buf->params.tracking_changes);
 652                 break;
 653         default:
 654                 break;
 655         }
 656
 657         // the font related toggles
 658         if (!mathcursor) {
 659                 LyXFont const & font = TEXT(false)->real_current_font;
 660                 switch (ev.action) {
 661                 case LFUN_EMPH:
 662                         flag.setOnOff(font.emph() == LyXFont::ON);
 663                         break;
 664                 case LFUN_NOUN:
 665                         flag.setOnOff(font.noun() == LyXFont::ON);
 666                         break;
 667                 case LFUN_BOLD:
 668                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 669                         break;
 670                 case LFUN_SANS:
 671                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 672                         break;
 673                 case LFUN_ROMAN:
 674                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 675                         break;
 676                 case LFUN_CODE:
 677                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 678                         break;
 679                 default:
 680                         break;
 681                 }
 682         } else {
 683                 string tc = mathcursor->getLastCode();
 684                 switch (ev.action) {
 685                 case LFUN_BOLD:
 686                         flag.setOnOff(tc == "mathbf");
 687                         break;
 688                 case LFUN_SANS:
 689                         flag.setOnOff(tc == "mathsf");
 690                         break;
 691                 case LFUN_EMPH:
 692                         flag.setOnOff(tc == "mathcal");
 693                         break;
 694                 case LFUN_ROMAN:
 695                         flag.setOnOff(tc == "mathrm");
 696                         break;
 697                 case LFUN_CODE:
 698                         flag.setOnOff(tc == "mathtt");
 699                         break;
 700                 case LFUN_NOUN:
 701                         flag.setOnOff(tc == "mathbb");
 702                         break;
 703                 case LFUN_DEFAULT:
 704                         flag.setOnOff(tc == "mathnormal");
 705                         break;
 706                 default:
 707                         break;
 708                 }
 709         }
 710
 711         // this one is difficult to get right. As a half-baked
 712         // solution, we consider only the first action of the sequence
 713         if (ev.action == LFUN_SEQUENCE) {
 714                 // argument contains ';'-terminated commands
 715                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 716         }
 717
 718         return flag;
 719 }
 720
 721
 722 void LyXFunc::dispatch(string const & s, bool verbose)
 723 {
 724         int const action = lyxaction.LookupFunc(s);
 725
 726         if (action == LFUN_UNKNOWN_ACTION) {
 727 #if USE_BOOST_FORMAT
 728 boost::format fmt(_("Unknown function (%1$s)"));
 729 fmt % s;
 730 owner->message(fmt.str());
 731 #else
 732                 string const msg = string(_("Unknown function ("))
 733                         + s + ')';
 734                 owner->message(msg);
 735 #endif
 736                 return;
 737         }
 738
 739         dispatch(action, verbose);
 740 }
 741
 742
 743 void LyXFunc::dispatch(int ac, bool verbose)
 744 {
 745         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 746 }
 747
 748
 749
 750 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 751 {
 752         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 753                               <<"] arg[" << ev.argument << ']' << endl;
 754
 755         // we have not done anything wrong yet.
 756         errorstat = false;
 757         dispatch_buffer.erase();
 758
 759 #ifdef NEW_DISPATCHER
 760         // We try do call the most specific dispatcher first:
 761         //  1. the lockinginset's dispatch
 762         //  2. the bufferview's dispatch
 763         //  3. the lyxview's dispatch
 764 #endif
 765
 766         selection_possible = false;
 767
 768         if (view()->available())
 769                 view()->hideCursor();
 770
 771         string argument = ev.argument;
 772         kb_action action = ev.action;
 773
 774         // We cannot use this function here
 775         if (getStatus(ev).disabled()) {
 776                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 777                        << lyxaction.getActionName(action)
 778                        << " [" << action << "] is disabled at this location"
 779                        << endl;
 780                 setErrorMessage(getStatusMessage());
 781                 goto exit_with_message;
 782         }
 783
 784         if (view()->available() && view()->theLockingInset()) {
 785                 Inset::RESULT result;
 786                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 787                                      (!keyseq.deleted())))
 788                 {
 789                         UpdatableInset * inset = view()->theLockingInset();
 790 #if 1
 791                         int inset_x;
 792                         int dummy_y;
 793                         inset->getCursorPos(view(), inset_x, dummy_y);
 794 #endif
 795                         if ((action == LFUN_UNKNOWN_ACTION)
 796                             && argument.empty()) {
 797                                 argument = encoded_last_key;
 798                         }
 799                         // Undo/Redo is a bit tricky for insets.
 800                         if (action == LFUN_UNDO) {
 801                                 view()->undo();
 802                                 goto exit_with_message;
 803                         } else if (action == LFUN_REDO) {
 804                                 view()->redo();
 805                                 goto exit_with_message;
 806                         } else if (((result=inset->
 807                                      // Hand-over to inset's own dispatch:
 808                                      localDispatch(FuncRequest(view(), action, argument))) ==
 809                                     DISPATCHED) ||
 810                                    (result == DISPATCHED_NOUPDATE))
 811                                 goto exit_with_message;
 812                                         // If UNDISPATCHED, just soldier on
 813                         else if (result == FINISHED) {
 814                                 goto exit_with_message;
 815                                 // We do not need special RTL handling here:
 816                                 // FINISHED means that the cursor should be
 817                                 // one position after the inset.
 818                         } else if (result == FINISHED_RIGHT) {
 819                                 TEXT()->cursorRight(view());
 820                                 moveCursorUpdate(true, false);
 821                                 owner->view_state_changed();
 822                                 goto exit_with_message;
 823                         } else if (result == FINISHED_UP) {
 824                                 if (TEXT()->cursor.irow()->previous()) {
 825 #if 1
 826                                         TEXT()->setCursorFromCoordinates(
 827                                                 TEXT()->cursor.ix() + inset_x,
 828                                                 TEXT()->cursor.iy() -
 829                                                 TEXT()->cursor.irow()->baseline() - 1);
 830                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 831 #else
 832                                         TEXT()->cursorUp(view());
 833 #endif
 834                                         moveCursorUpdate(true, false);
 835                                         owner->view_state_changed();
 836                                 } else {
 837                                         view()->update(TEXT(), BufferView::SELECT);
 838                                 }
 839                                 goto exit_with_message;
 840                         } else if (result == FINISHED_DOWN) {
 841                                 if (TEXT()->cursor.irow()->next()) {
 842 #if 1
 843                                         TEXT()->setCursorFromCoordinates(
 844                                                 TEXT()->cursor.ix() + inset_x,
 845                                                 TEXT()->cursor.iy() -
 846                                                 TEXT()->cursor.irow()->baseline() +
 847                                                 TEXT()->cursor.irow()->height() + 1);
 848                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 849 #else
 850                                         TEXT()->cursorDown(view());
 851 #endif
 852                                 } else {
 853                                         TEXT()->cursorRight(view());
 854                                 }
 855                                 moveCursorUpdate(true, false);
 856                                 owner->view_state_changed();
 857                                 goto exit_with_message;
 858                         }
 859 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 860                         else { // result == UNDISPATCHED
 861                                 //setMessage(N_("Text mode"));
 862                                 switch (action) {
 863                                 case LFUN_UNKNOWN_ACTION:
 864                                 case LFUN_BREAKPARAGRAPH:
 865                                 case LFUN_BREAKLINE:
 866                                         TEXT()->cursorRight(view());
 867                                         view()->switchKeyMap();
 868                                         owner->view_state_changed();
 869                                         break;
 870                                 case LFUN_RIGHT:
 871                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 872                                                 TEXT()->cursorRight(view());
 873                                                 moveCursorUpdate(true, false);
 874                                                 owner->view_state_changed();
 875                                         }
 876                                         goto exit_with_message;
 877                                 case LFUN_LEFT:
 878                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 879                                                 TEXT()->cursorRight(view());
 880                                                 moveCursorUpdate(true, false);
 881                                                 owner->view_state_changed();
 882                                         }
 883                                         goto exit_with_message;
 884                                 case LFUN_DOWN:
 885                                         if (TEXT()->cursor.row()->next())
 886                                                 TEXT()->cursorDown(view());
 887                                         else
 888                                                 TEXT()->cursorRight(view());
 889                                         moveCursorUpdate(true, false);
 890                                         owner->view_state_changed();
 891                                         goto exit_with_message;
 892                                 default:
 893                                         break;
 894                                 }
 895                         }
 896                 }
 897         }
 898
 899         switch (action) {
 900
 901         case LFUN_ESCAPE:
 902         {
 903                 if (!view()->available()) break;
 904                 // this function should be used always [asierra060396]
 905                 UpdatableInset * tli =
 906                         view()->theLockingInset();
 907                 if (tli) {
 908                         UpdatableInset * lock = tli->getLockingInset();
 909
 910                         if (tli == lock) {
 911                                 view()->unlockInset(tli);
 912                                 TEXT()->cursorRight(view());
 913                                 moveCursorUpdate(true, false);
 914                                 owner->view_state_changed();
 915                         } else {
 916                                 tli->unlockInsetInInset(view(),
 917                                                         lock,
 918                                                         true);
 919                         }
 920                         finishUndo();
 921                         // Tell the paragraph dialog that we changed paragraph
 922                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 923                 }
 924         }
 925         break;
 926
 927                 // --- Misc -------------------------------------------
 928         case LFUN_WORDFINDFORWARD  :
 929         case LFUN_WORDFINDBACKWARD : {
 930                 static string last_search;
 931                 string searched_string;
 932
 933                 if (!argument.empty()) {
 934                         last_search = argument;
 935                         searched_string = argument;
 936                 } else {
 937                         searched_string = last_search;
 938                 }
 939                 bool fw = (action == LFUN_WORDFINDFORWARD);
 940                 if (!searched_string.empty()) {
 941                         lyxfind::LyXFind(view(), searched_string, fw);
 942                 }
 943 //              view()->showCursor();
 944         }
 945         break;
 946
 947         case LFUN_PREFIX:
 948         {
 949                 if (view()->available() && !view()->theLockingInset()) {
 950                         view()->update(TEXT(), BufferView::SELECT);
 951                 }
 952                 owner->message(keyseq.printOptions());
 953         }
 954         break;
 955
 956         // --- Misc -------------------------------------------
 957         case LFUN_EXEC_COMMAND:
 958                 owner->focus_command_buffer();
 959                 break;
 960
 961         case LFUN_CANCEL:                   // RVDK_PATCH_5
 962                 keyseq.reset();
 963                 meta_fake_bit = key_modifier::none;
 964                 if (view()->available())
 965                         // cancel any selection
 966                         dispatch(LFUN_MARK_OFF);
 967                 setMessage(N_("Cancel"));
 968                 break;
 969
 970         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 971         {
 972                 meta_fake_bit = key_modifier::alt;
 973                 setMessage(keyseq.print());
 974         }
 975         break;
 976
 977         case LFUN_READ_ONLY_TOGGLE:
 978                 if (owner->buffer()->lyxvc.inUse()) {
 979                         owner->buffer()->lyxvc.toggleReadOnly();
 980                 } else {
 981                         owner->buffer()->setReadonly(
 982                                 !owner->buffer()->isReadonly());
 983                 }
 984                 break;
 985
 986         case LFUN_CENTER: // this is center and redraw.
 987                 view()->center();
 988                 break;
 989
 990                 // --- Menus -----------------------------------------------
 991         case LFUN_MENUNEW:
 992                 menuNew(argument, false);
 993                 break;
 994
 995         case LFUN_MENUNEWTMPLT:
 996                 menuNew(argument, true);
 997                 break;
 998
 999         case LFUN_CLOSEBUFFER:
1000                 closeBuffer();
1001                 break;
1002
1003         case LFUN_MENUWRITE:
1004                 if (!owner->buffer()->isUnnamed()) {
1005                         ostringstream s1;
1006 #if USE_BOOST_FORMAT
1007                         s1 << boost::format(_("Saving document %1$s..."))
1008                            % MakeDisplayPath(owner->buffer()->fileName());
1009 #else
1010                         s1 << _("Saving document ")
1011                            << MakeDisplayPath(owner->buffer()->fileName())
1012                            << _("...");
1013 #endif
1014                         owner->message(STRCONV(s1.str()));
1015                         MenuWrite(view(), owner->buffer());
1016                         s1 << _(" done.");
1017                         owner->message(STRCONV(s1.str()));
1018                 } else
1019                         WriteAs(view(), owner->buffer());
1020                 break;
1021
1022         case LFUN_WRITEAS:
1023                 WriteAs(view(), owner->buffer(), argument);
1024                 break;
1025
1026         case LFUN_MENURELOAD:
1027                 view()->reload();
1028                 break;
1029
1030         case LFUN_UPDATE:
1031                 Exporter::Export(owner->buffer(), argument, true);
1032                 break;
1033
1034         case LFUN_PREVIEW:
1035                 Exporter::Preview(owner->buffer(), argument);
1036                 break;
1037
1038         case LFUN_BUILDPROG:
1039                 Exporter::Export(owner->buffer(), "program", true);
1040                 break;
1041
1042         case LFUN_RUNCHKTEX:
1043                 MenuRunChktex(owner->buffer());
1044                 break;
1045
1046         case LFUN_MENUPRINT:
1047                 owner->getDialogs().showPrint();
1048                 break;
1049
1050         case LFUN_EXPORT:
1051                 if (argument == "custom")
1052                         owner->getDialogs().showSendto();
1053                 else
1054                         Exporter::Export(owner->buffer(), argument, false);
1055                 break;
1056
1057         case LFUN_IMPORT:
1058                 doImport(argument);
1059                 break;
1060
1061         case LFUN_QUIT:
1062                 QuitLyX();
1063                 break;
1064
1065         case LFUN_TOCVIEW:
1066         {
1067                 InsetCommandParams p("tableofcontents");
1068                 string const data = InsetCommandMailer::params2string("toc", p);
1069                 owner->getDialogs().show("toc", data, 0);
1070                 break;
1071         }
1072
1073         case LFUN_AUTOSAVE:
1074                 AutoSave(view());
1075                 break;
1076
1077         case LFUN_UNDO:
1078                 view()->undo();
1079                 break;
1080
1081         case LFUN_REDO:
1082                 view()->redo();
1083                 break;
1084
1085         case LFUN_MENUSEARCH:
1086                 owner->getDialogs().showSearch();
1087                 break;
1088
1089         case LFUN_REMOVEERRORS:
1090                 if (view()->removeAutoInsets()) {
1091 #warning repaint() or update() or nothing ?
1092                         view()->repaint();
1093                         view()->fitCursor();
1094                 }
1095                 break;
1096
1097         case LFUN_DEPTH_MIN:
1098                 changeDepth(view(), TEXT(false), -1);
1099                 break;
1100
1101         case LFUN_DEPTH_PLUS:
1102                 changeDepth(view(), TEXT(false), 1);
1103                 break;
1104
1105         case LFUN_FREEFONT_APPLY:
1106                 apply_freefont(view());
1107                 break;
1108
1109         case LFUN_FREEFONT_UPDATE:
1110                 update_and_apply_freefont(view(), argument);
1111                 break;
1112
1113         case LFUN_RECONFIGURE:
1114                 Reconfigure(view());
1115                 break;
1116
1117 #if 0
1118         case LFUN_FLOATSOPERATE:
1119                 if (argument == "openfoot")
1120                         view()->allFloats(1,0);
1121                 else if (argument == "closefoot")
1122                         view()->allFloats(0,0);
1123                 else if (argument == "openfig")
1124                         view()->allFloats(1,1);
1125                 else if (argument == "closefig")
1126                         view()->allFloats(0,1);
1127                 break;
1128 #else
1129 #ifdef WITH_WARNINGS
1130 //#warning Find another implementation here (or another lyxfunc)!
1131 #endif
1132 #endif
1133         case LFUN_HELP_ABOUTLYX:
1134                 owner->getDialogs().show("about");
1135                 break;
1136
1137         case LFUN_HELP_TEXINFO:
1138                 owner->getDialogs().showTexinfo();
1139                 break;
1140
1141         case LFUN_HELP_OPEN:
1142         {
1143                 string const arg = argument;
1144                 if (arg.empty()) {
1145                         setErrorMessage(N_("Missing argument"));
1146                         break;
1147                 }
1148                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1149                 if (fname.empty()) {
1150                         lyxerr << "LyX: unable to find documentation file `"
1151                                << arg << "'. Bad installation?" << endl;
1152                         break;
1153                 }
1154                 ostringstream str;
1155 #if USE_BOOST_FORMAT
1156                 str << boost::format(_("Opening help file %1$s..."))
1157                     % MakeDisplayPath(fname);
1158 #else
1159                 str << _("Opening help file ")
1160                     << MakeDisplayPath(fname) << _("...");
1161 #endif
1162                 owner->message(STRCONV(str.str()));
1163                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1164                 break;
1165         }
1166
1167                 // --- version control -------------------------------
1168         case LFUN_VC_REGISTER:
1169         {
1170                 if (!owner->buffer()->lyxvc.inUse())
1171                         owner->buffer()->lyxvc.registrer();
1172         }
1173         break;
1174
1175         case LFUN_VC_CHECKIN:
1176         {
1177                 if (owner->buffer()->lyxvc.inUse()
1178                     && !owner->buffer()->isReadonly())
1179                         owner->buffer()->lyxvc.checkIn();
1180         }
1181         break;
1182
1183         case LFUN_VC_CHECKOUT:
1184         {
1185                 if (owner->buffer()->lyxvc.inUse()
1186                     && owner->buffer()->isReadonly())
1187                         owner->buffer()->lyxvc.checkOut();
1188         }
1189         break;
1190
1191         case LFUN_VC_REVERT:
1192         {
1193                 owner->buffer()->lyxvc.revert();
1194         }
1195         break;
1196
1197         case LFUN_VC_UNDO:
1198         {
1199                 owner->buffer()->lyxvc.undoLast();
1200         }
1201         break;
1202
1203         case LFUN_VC_HISTORY:
1204         {
1205                 owner->getDialogs().show("vclog");
1206                 break;
1207         }
1208
1209         // --- buffers ----------------------------------------
1210
1211         case LFUN_SWITCHBUFFER:
1212                 view()->buffer(bufferlist.getBuffer(argument));
1213                 break;
1214
1215         case LFUN_FILE_NEW:
1216         {
1217                 // servercmd: argument must be <file>:<template>
1218                 Buffer * tmpbuf = NewFile(argument);
1219                 if (tmpbuf)
1220                         view()->buffer(tmpbuf);
1221         }
1222         break;
1223
1224         case LFUN_FILE_OPEN:
1225                 open(argument);
1226                 break;
1227
1228         case LFUN_LATEX_LOG:
1229                 owner->getDialogs().show("log");
1230                 break;
1231
1232         case LFUN_LAYOUT_DOCUMENT:
1233                 owner->getDialogs().showDocument();
1234                 break;
1235
1236         case LFUN_LAYOUT_CHARACTER: {
1237                 string data = freefont2string();
1238                 if (!data.empty())
1239                         owner->getDialogs().show("character", data);
1240                 break;
1241         }
1242
1243         case LFUN_LAYOUT_TABULAR:
1244             if (view()->theLockingInset()) {
1245                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1246                     InsetTabular * inset = static_cast<InsetTabular *>
1247                         (view()->theLockingInset());
1248                     inset->openLayoutDialog(view());
1249                 } else if (view()->theLockingInset()->
1250                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1251                     InsetTabular * inset = static_cast<InsetTabular *>(
1252                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1253                     inset->openLayoutDialog(view());
1254                 }
1255             }
1256             break;
1257
1258         case LFUN_LAYOUT_PREAMBLE:
1259                 owner->getDialogs().showPreamble();
1260                 break;
1261
1262         case LFUN_DROP_LAYOUTS_CHOICE:
1263                 owner->getToolbar().openLayoutList();
1264                 break;
1265
1266         case LFUN_MENU_OPEN_BY_NAME:
1267                 owner->getMenubar().openByName(argument);
1268                 break; // RVDK_PATCH_5
1269
1270         case LFUN_SPELLCHECK:
1271                 owner->getDialogs().showSpellchecker();
1272                 break;
1273
1274         // --- lyxserver commands ----------------------------
1275
1276
1277         case LFUN_GETNAME:
1278                 setMessage(owner->buffer()->fileName());
1279                 lyxerr[Debug::INFO] << "FNAME["
1280                                << owner->buffer()->fileName()
1281                                << "] " << endl;
1282                 break;
1283
1284         case LFUN_NOTIFY:
1285         {
1286                 dispatch_buffer = keyseq.print();
1287                 lyxserver->notifyClient(dispatch_buffer);
1288         }
1289         break;
1290
1291         case LFUN_GOTOFILEROW:
1292         {
1293                 string file_name;
1294                 int row;
1295                 istringstream istr(argument.c_str());
1296                 istr >> file_name >> row;
1297                 // Must replace extension of the file to be .lyx and get full path
1298                 string const s(ChangeExtension(file_name, ".lyx"));
1299
1300                 // Either change buffer or load the file
1301                 if (bufferlist.exists(s)) {
1302                         view()->buffer(bufferlist.getBuffer(s));
1303                 } else {
1304                         view()->buffer(bufferlist.loadLyXFile(s));
1305                 }
1306
1307                 view()->setCursorFromRow(row);
1308
1309                 view()->center();
1310                 // see BufferView_pimpl::center()
1311                 view()->updateScrollbar();
1312         }
1313         break;
1314
1315         case LFUN_GOTO_PARAGRAPH:
1316         {
1317                 istringstream istr(argument.c_str());
1318
1319                 int id;
1320                 istr >> id;
1321                 Paragraph * par = owner->buffer()->getParFromID(id);
1322                 if (par == 0) {
1323                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1324                                             << id << ']' << endl;
1325                         break;
1326                 } else {
1327                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1328                                             << " found." << endl;
1329                 }
1330
1331                 if (view()->theLockingInset())
1332                         view()->unlockInset(view()->theLockingInset());
1333                 if (par->inInset()) {
1334                         par->inInset()->edit(view());
1335                 }
1336                 // Set the cursor
1337                 view()->getLyXText()->setCursor(par, 0);
1338                 view()->switchKeyMap();
1339                 owner->view_state_changed();
1340
1341                 view()->center();
1342                 // see BufferView_pimpl::center()
1343                 view()->updateScrollbar();
1344         }
1345         break;
1346
1347         case LFUN_APROPOS:
1348         case LFUN_GETTIP:
1349         {
1350                 int const qa = lyxaction.LookupFunc(argument);
1351                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1352         }
1353         break;
1354
1355         // --- insert characters ----------------------------------------
1356
1357         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1358         case LFUN_MATH_EXTERN:
1359         case LFUN_MATH_NUMBER:
1360         case LFUN_MATH_NONUMBER:
1361         case LFUN_MATH_LIMITS:
1362         {
1363                 setErrorMessage(N_("This is only allowed in math mode!"));
1364         }
1365         break;
1366
1367         // passthrough hat and underscore outside mathed:
1368         case LFUN_SUBSCRIPT:
1369                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1370                 break;
1371         case LFUN_SUPERSCRIPT:
1372                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1373                 break;
1374
1375         case LFUN_MATH_PANEL:
1376                 owner->getDialogs().showMathPanel();
1377                 break;
1378
1379         case LFUN_DIALOG_SHOW_NEW_INSET: {
1380                 string const & name = argument;
1381                 string data;
1382                 if (name == "bibitem" ||
1383                     name == "bibtex" ||
1384                     name == "include" ||
1385                     name == "index" ||
1386                     name == "ref" ||
1387                     name == "toc" ||
1388                     name == "url") {
1389                         InsetCommandParams p(name);
1390                         data = InsetCommandMailer::params2string(name, p);
1391                 } else if (name == "citation") {
1392                         InsetCommandParams p("cite");
1393                         data = InsetCommandMailer::params2string(name, p);
1394                 }
1395                 owner->getDialogs().show(name, data, 0);
1396         }
1397         break;
1398
1399         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1400         }
1401         break;
1402
1403         case LFUN_DIALOG_UPDATE: {
1404                 string const & name = argument;
1405                 // Can only update a dialog connected to an existing inset
1406                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1407                 if (inset) {
1408                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1409                                        ev.argument);
1410                         inset->localDispatch(fr);
1411                 } else if (name == "paragraph") {
1412                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1413                 }
1414         }
1415         break;
1416
1417         case LFUN_DIALOG_HIDE:
1418                 Dialogs::hide(argument, 0);
1419                 break;
1420
1421         case LFUN_DIALOG_DISCONNECT_INSET:
1422                 owner->getDialogs().disconnect(argument);
1423                 break;
1424
1425         case LFUN_CHILDOPEN:
1426         {
1427                 string const filename =
1428                         MakeAbsPath(argument,
1429                                     owner->buffer()->filePath());
1430                 setMessage(N_("Opening child document ") +
1431                            MakeDisplayPath(filename) + "...");
1432                 view()->savePosition(0);
1433                 if (bufferlist.exists(filename))
1434                         view()->buffer(bufferlist.getBuffer(filename));
1435                 else
1436                         view()->buffer(bufferlist.loadLyXFile(filename));
1437         }
1438         break;
1439
1440         case LFUN_TOGGLECURSORFOLLOW:
1441                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1442                 break;
1443
1444         case LFUN_KMAP_OFF:
1445                 owner->getIntl().KeyMapOn(false);
1446                 break;
1447
1448         case LFUN_KMAP_PRIM:
1449                 owner->getIntl().KeyMapPrim();
1450                 break;
1451
1452         case LFUN_KMAP_SEC:
1453                 owner->getIntl().KeyMapSec();
1454                 break;
1455
1456         case LFUN_KMAP_TOGGLE:
1457                 owner->getIntl().ToggleKeyMap();
1458                 break;
1459
1460         case LFUN_SEQUENCE:
1461         {
1462                 // argument contains ';'-terminated commands
1463                 while (!argument.empty()) {
1464                         string first;
1465                         argument = split(argument, first, ';');
1466                         dispatch(first);
1467                 }
1468         }
1469         break;
1470
1471         case LFUN_DIALOG_PREFERENCES:
1472                 owner->getDialogs().showPreferences();
1473                 break;
1474
1475         case LFUN_SAVEPREFERENCES:
1476         {
1477                 Path p(user_lyxdir);
1478                 lyxrc.write("preferences");
1479         }
1480         break;
1481
1482         case LFUN_SCREEN_FONT_UPDATE:
1483         {
1484                 // handle the screen font changes.
1485                 lyxrc.set_font_norm_type();
1486                 lyx_gui::update_fonts();
1487                 // We also need to empty the textcache so that
1488                 // the buffer will be formatted correctly after
1489                 // a zoom change.
1490                 textcache.clear();
1491                 // Of course we should only do the resize and the textcache.clear
1492                 // if values really changed...but not very important right now. (Lgb)
1493                 // All visible buffers will need resize
1494                 view()->resize();
1495                 view()->repaint();
1496         }
1497         break;
1498
1499         case LFUN_SET_COLOR:
1500         {
1501                 string lyx_name;
1502                 string const x11_name = split(argument, lyx_name, ' ');
1503                 if (lyx_name.empty() || x11_name.empty()) {
1504                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1505                                                 " <x11_name>"));
1506                         break;
1507                         }
1508
1509                 bool const graphicsbg_changed =
1510                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1511                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1512
1513                 if (!lcolor.setColor(lyx_name, x11_name)) {
1514 #if USE_BOOST_FORMAT
1515                         setErrorMessage(
1516                                 boost::io::str(
1517                                         boost::format(
1518                                                 _("Set-color \"%1$s\" failed "
1519                                                   "- color is undefined or "
1520                                                   "may not be redefined"))
1521                                         % lyx_name));
1522 #else
1523                         setErrorMessage(_("Set-color ") + lyx_name
1524                                         + _(" failed - color is undefined"
1525                                             " or may not be redefined"));
1526 #endif
1527
1528                         break;
1529                 }
1530
1531                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1532
1533                 if (graphicsbg_changed) {
1534 #ifdef WITH_WARNINGS
1535 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1536 #endif
1537 #if 0
1538                         grfx::GCache & gc = grfx::GCache::get();
1539                         gc.changeDisplay(true);
1540 #endif
1541                 }
1542
1543                 view()->repaint();
1544                 break;
1545         }
1546
1547         case LFUN_MESSAGE:
1548                 owner->message(argument);
1549                 break;
1550
1551         case LFUN_FORKS_SHOW:
1552                 owner->getDialogs().showForks();
1553                 break;
1554
1555         case LFUN_FORKS_KILL:
1556         {
1557                 if (!isStrInt(argument))
1558                         break;
1559
1560                 pid_t const pid = strToInt(argument);
1561                 ForkedcallsController & fcc = ForkedcallsController::get();
1562                 fcc.kill(pid);
1563                 break;
1564         }
1565
1566         case LFUN_TOOLTIPS_TOGGLE:
1567                 owner->getDialogs().toggleTooltips();
1568                 break;
1569
1570         default:
1571                 // Then if it was none of the above
1572                 // Trying the BufferView::pimpl dispatch:
1573                 if (!view()->dispatch(ev))
1574                         lyxerr << "A truly unknown func ["
1575                                << lyxaction.getActionName(ev.action) << "]!"
1576                                << endl;
1577                 break;
1578         } // end of switch
1579
1580 exit_with_message:
1581
1582         view()->owner()->updateLayoutChoice();
1583
1584         if (view()->available()) {
1585                 view()->fitCursor();
1586
1587                 // If we executed a mutating lfun, mark the buffer as dirty
1588                 if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)
1589                     && !lyxaction.funcHasFlag(ev.action, LyXAction::ReadOnly))
1590                         view()->buffer()->markDirty();
1591         }
1592
1593         sendDispatchMessage(getMessage(), ev, verbose);
1594 }
1595
1596
1597 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1598 {
1599         owner->updateMenubar();
1600         owner->updateToolbar();
1601
1602         if (ev.action == LFUN_SELFINSERT || !verbose) {
1603                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1604                 if (!msg.empty())
1605                         owner->message(msg);
1606                 return;
1607         }
1608
1609         string dispatch_msg = msg;
1610         if (!dispatch_msg.empty())
1611                 dispatch_msg += ' ';
1612
1613         string comname = lyxaction.getActionName(ev.action);
1614
1615         int pseudoaction = ev.action;
1616         bool argsadded = false;
1617
1618         if (!ev.argument.empty()) {
1619                 // the pseudoaction is useful for the bindings
1620                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1621
1622                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1623                         pseudoaction = ev.action;
1624                 } else {
1625                         comname += ' ' + ev.argument;
1626                         argsadded = true;
1627                 }
1628         }
1629
1630         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1631
1632         if (!shortcuts.empty()) {
1633                 comname += ": " + shortcuts;
1634         } else if (!argsadded && !ev.argument.empty()) {
1635                 comname += ' ' + ev.argument;
1636         }
1637
1638         if (!comname.empty()) {
1639                 comname = rtrim(comname);
1640                 dispatch_msg += '(' + comname + ')';
1641         }
1642
1643         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1644         if (!dispatch_msg.empty())
1645                 owner->message(dispatch_msg);
1646 }
1647
1648
1649 void LyXFunc::setupLocalKeymap()
1650 {
1651         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1652         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1653 }
1654
1655
1656 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1657 {
1658         string initpath = lyxrc.document_path;
1659         string filename(name);
1660
1661         if (view()->available()) {
1662                 string const trypath = owner->buffer()->filePath();
1663                 // If directory is writeable, use this as default.
1664                 if (IsDirWriteable(trypath))
1665                         initpath = trypath;
1666         }
1667
1668         static int newfile_number;
1669
1670         if (filename.empty()) {
1671                 filename = AddName(lyxrc.document_path,
1672                             "newfile" + tostr(++newfile_number) + ".lyx");
1673                 FileInfo fi(filename);
1674                 while (bufferlist.exists(filename) || fi.readable()) {
1675                         ++newfile_number;
1676                         filename = AddName(lyxrc.document_path,
1677                                     "newfile" + tostr(newfile_number) +
1678                                     ".lyx");
1679                         fi.newFile(filename);
1680                 }
1681         }
1682
1683         // The template stuff
1684         string templname;
1685         if (fromTemplate) {
1686                 FileDialog fileDlg(_("Select template file"),
1687                         LFUN_SELECT_FILE_SYNC,
1688                         make_pair(string(_("Documents|#o#O")),
1689                                   string(lyxrc.document_path)),
1690                         make_pair(string(_("Templates|#T#t")),
1691                                   string(lyxrc.template_path)));
1692
1693                 FileDialog::Result result =
1694                         fileDlg.open(lyxrc.template_path,
1695                                        _("*.lyx| LyX Documents (*.lyx)"));
1696
1697                 if (result.first == FileDialog::Later)
1698                         return;
1699
1700                 string const fname = result.second;
1701
1702                 if (fname.empty())
1703                         return;
1704                 templname = fname;
1705         }
1706
1707         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1708 }
1709
1710
1711 void LyXFunc::open(string const & fname)
1712 {
1713         string initpath = lyxrc.document_path;
1714
1715         if (view()->available()) {
1716                 string const trypath = owner->buffer()->filePath();
1717                 // If directory is writeable, use this as default.
1718                 if (IsDirWriteable(trypath))
1719                         initpath = trypath;
1720         }
1721
1722         string filename;
1723
1724         if (fname.empty()) {
1725                 FileDialog fileDlg(_("Select document to open"),
1726                         LFUN_FILE_OPEN,
1727                         make_pair(string(_("Documents|#o#O")),
1728                                   string(lyxrc.document_path)),
1729                         make_pair(string(_("Examples|#E#e")),
1730                                   string(AddPath(system_lyxdir, "examples"))));
1731
1732                 FileDialog::Result result =
1733                         fileDlg.open(initpath,
1734                                        _("*.lyx| LyX Documents (*.lyx)"));
1735
1736                 if (result.first == FileDialog::Later)
1737                         return;
1738
1739                 filename = result.second;
1740
1741                 // check selected filename
1742                 if (filename.empty()) {
1743                         owner->message(_("Canceled."));
1744                         return;
1745                 }
1746         } else
1747                 filename = fname;
1748
1749         // get absolute path of file and add ".lyx" to the filename if
1750         // necessary
1751         string const fullpath = FileSearch(string(), filename, "lyx");
1752         if (!fullpath.empty()) {
1753                 filename = fullpath;
1754         }
1755
1756         string const disp_fn(MakeDisplayPath(filename));
1757
1758         // if the file doesn't exist, let the user create one
1759         FileInfo const f(filename, true);
1760         if (!f.exist()) {
1761                 if (!Alert::askQuestion(_("No such file"), disp_fn,
1762                         _("Start a new document with this filename ?"))) {
1763                         owner->message(_("Canceled."));
1764                         return;
1765                 }
1766                 // the user specifically chose this name. Believe them.
1767                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1768                 view()->buffer(buffer);
1769                 return;
1770         }
1771
1772         ostringstream str;
1773 #if USE_BOOST_FORMAT
1774         str << boost::format(_("Opening document %1$s...")) % disp_fn;
1775 #else
1776         str << _("Opening document ") << disp_fn << _("...");
1777 #endif
1778
1779         owner->message(STRCONV(str.str()));
1780
1781         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1782         ostringstream str2;
1783         if (openbuf) {
1784                 view()->buffer(openbuf);
1785 #if USE_BOOST_FORMAT
1786                 str2 << boost::format(_("Document %1$s opened.")) % disp_fn;
1787 #else
1788                 str2 << _("Document ") << disp_fn << _(" opened.");
1789 #endif
1790         } else {
1791 #if USE_BOOST_FORMAT
1792                 str2 << boost::format(_("Could not open document %1$s"))
1793                         % disp_fn;
1794 #else
1795                 str2 << _("Could not open document ") << disp_fn;
1796 #endif
1797         }
1798         owner->message(STRCONV(str2.str()));
1799 }
1800
1801
1802 void LyXFunc::doImport(string const & argument)
1803 {
1804         string format;
1805         string filename = split(argument, format, ' ');
1806
1807         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1808                             << " file: " << filename << endl;
1809
1810         // need user interaction
1811         if (filename.empty()) {
1812                 string initpath = lyxrc.document_path;
1813
1814                 if (view()->available()) {
1815                         string const trypath = owner->buffer()->filePath();
1816                         // If directory is writeable, use this as default.
1817                         if (IsDirWriteable(trypath))
1818                                 initpath = trypath;
1819                 }
1820
1821 #if USE_BOOST_FORMAT
1822                 boost::format fmt(_("Select %1$s file to import"));
1823                 fmt % formats.prettyName(format);
1824                 string const text = fmt.str();
1825 #else
1826                 string const text = _("Select ") + formats.prettyName(format)
1827                         + _(" file to import");;
1828 #endif
1829
1830                 FileDialog fileDlg(text,
1831                         LFUN_IMPORT,
1832                         make_pair(string(_("Documents|#o#O")),
1833                                   string(lyxrc.document_path)),
1834                         make_pair(string(_("Examples|#E#e")),
1835                                   string(AddPath(system_lyxdir, "examples"))));
1836
1837                 string const extension = "*." + formats.extension(format)
1838                         + "| " + formats.prettyName(format)
1839                         + " (*." + formats.extension(format) + ')';
1840
1841                 FileDialog::Result result = fileDlg.open(initpath,
1842                                                            extension);
1843
1844                 if (result.first == FileDialog::Later)
1845                         return;
1846
1847                 filename = result.second;
1848
1849                 // check selected filename
1850                 if (filename.empty())
1851                         owner->message(_("Canceled."));
1852         }
1853
1854         if (filename.empty())
1855                 return;
1856
1857         // get absolute path of file
1858         filename = MakeAbsPath(filename);
1859
1860         string const lyxfile = ChangeExtension(filename, ".lyx");
1861
1862         // Check if the document already is open
1863         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1864                 switch (Alert::askConfirmation(_("Document is already open:"),
1865                                         MakeDisplayPath(lyxfile, 50),
1866                                         _("Do you want to close that document now?\n"
1867                                           "('No' will just switch to the open version)")))
1868                         {
1869                         case 1:
1870                                 // If close is canceled, we cancel here too.
1871                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1872                                         return;
1873                                 break;
1874                         case 2:
1875                                 view()->buffer(bufferlist.getBuffer(lyxfile));
1876                                 return;
1877                         case 3:
1878                                 owner->message(_("Canceled."));
1879                                 return;
1880                         }
1881         }
1882
1883         // if the file exists already, and we didn't do
1884         // -i lyx thefile.lyx, warn
1885         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1886                 if (!Alert::askQuestion(_("A document by the name"),
1887                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1888                         owner->message(_("Canceled."));
1889                         return;
1890                 }
1891         }
1892
1893         Importer::Import(owner, filename, format);
1894 }
1895
1896
1897 void LyXFunc::closeBuffer()
1898 {
1899         if (bufferlist.close(owner->buffer()) && !quitting) {
1900                 if (bufferlist.empty()) {
1901                         // need this otherwise SEGV may occur while trying to
1902                         // set variables that don't exist
1903                         // since there's no current buffer
1904                         owner->getDialogs().hideBufferDependent();
1905                 } else {
1906                         view()->buffer(bufferlist.first());
1907                 }
1908         }
1909 }
1910
1911
1912 // Each "owner" should have it's own message method. lyxview and
1913 // the minibuffer would use the minibuffer, but lyxserver would
1914 // send an ERROR signal to its client.  Alejandro 970603
1915 // This func is bit problematic when it comes to NLS, to make the
1916 // lyx servers client be language indepenent we must not translate
1917 // strings sent to this func.
1918 void LyXFunc::setErrorMessage(string const & m) const
1919 {
1920         dispatch_buffer = m;
1921         errorstat = true;
1922 }
1923
1924
1925 void LyXFunc::setMessage(string const & m) const
1926 {
1927         dispatch_buffer = m;
1928 }
1929
1930
1931 void LyXFunc::setStatusMessage(string const & m) const
1932 {
1933         status_buffer = m;
1934 }
1935
1936
1937 string const LyXFunc::view_status_message()
1938 {
1939         // When meta-fake key is pressed, show the key sequence so far + "M-".
1940         if (wasMetaKey()) {
1941                 return keyseq.print() + "M-";
1942         }
1943
1944         // Else, when a non-complete key sequence is pressed,
1945         // show the available options.
1946         if (keyseq.length() > 0 && !keyseq.deleted()) {
1947                 return keyseq.printOptions();
1948         }
1949
1950         if (!view()->available())
1951                 return _("Welcome to LyX!");
1952
1953         return currentState(view());
1954 }
1955
1956
1957 BufferView * LyXFunc::view() const
1958 {
1959         lyx::Assert(owner);
1960         return owner->view().get();
1961 }