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 "support/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 using namespace bv_funcs;
  89
  90 extern BufferList bufferlist;
  91 extern LyXServer * lyxserver;
  92 extern bool selection_possible;
  93
  94 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
  95
  96 // (alkis)
  97 extern tex_accent_struct get_accent(kb_action action);
  98
  99 extern void ShowLatexLog();
 100
 101
 102 LyXFunc::LyXFunc(LyXView * o)
 103         : owner(o),
 104         encoded_last_key(0),
 105         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 106         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 107         meta_fake_bit(key_modifier::none)
 108 {
 109 }
 110
 111
 112 inline
 113 LyXText * LyXFunc::TEXT(bool flag = true) const
 114 {
 115         if (flag)
 116                 return view()->text;
 117         return view()->getLyXText();
 118 }
 119
 120
 121 inline
 122 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 123 {
 124         if (selecting || TEXT(flag)->selection.mark()) {
 125                 TEXT(flag)->setSelection();
 126                 if (!TEXT(flag)->isInInset())
 127                     view()->toggleToggle();
 128         }
 129         view()->update(TEXT(flag), BufferView::SELECT);
 130         view()->showCursor();
 131
 132         view()->switchKeyMap();
 133 }
 134
 135
 136 void LyXFunc::handleKeyFunc(kb_action action)
 137 {
 138         char c = encoded_last_key;
 139
 140         if (keyseq.length()) {
 141                 c = 0;
 142         }
 143
 144         owner->getIntl().getTransManager()
 145                 .deadkey(c, get_accent(action).accent, TEXT(false));
 146         // Need to clear, in case the minibuffer calls these
 147         // actions
 148         keyseq.clear();
 149         // copied verbatim from do_accent_char
 150         view()->update(TEXT(false), BufferView::SELECT);
 151         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 152 }
 153
 154
 155 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 156                             key_modifier::state state)
 157 {
 158         string argument;
 159
 160         if (lyxerr.debugging(Debug::KEY)) {
 161                 lyxerr << "KeySym is "
 162                        << keysym->getSymbolName()
 163                        << endl;
 164         }
 165
 166         // Do nothing if we have nothing (JMarc)
 167         if (!keysym->isOK()) {
 168                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 169                                    << endl;
 170                 return;
 171         }
 172
 173         if (keysym->isModifier()) {
 174                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 175                 return;
 176         }
 177
 178         Encoding const * encoding = view()->getEncoding();
 179
 180         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 181
 182         // Do a one-deep top-level lookup for
 183         // cancel and meta-fake keys. RVDK_PATCH_5
 184         cancel_meta_seq.reset();
 185
 186         int action = cancel_meta_seq.addkey(keysym, state);
 187         lyxerr[Debug::KEY] << "action first set to [" << action << ']' << endl;
 188
 189         // When not cancel or meta-fake, do the normal lookup.
 190         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 191         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 192         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 193                 // remove Caps Lock and Mod2 as a modifiers
 194                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 195                 lyxerr[Debug::KEY] << "action now set to ["
 196                         << action << ']' << endl;
 197         }
 198
 199         // Dont remove this unless you know what you are doing.
 200         meta_fake_bit = key_modifier::none;
 201
 202         // can this happen now ?
 203         if (action == LFUN_NOACTION) {
 204                 action = LFUN_PREFIX;
 205         }
 206
 207         if (lyxerr.debugging(Debug::KEY)) {
 208                 lyxerr << "Key [action="
 209                        << action << "]["
 210                        << keyseq.print() << ']'
 211                        << endl;
 212         }
 213
 214         // already here we know if it any point in going further
 215         // why not return already here if action == -1 and
 216         // num_bytes == 0? (Lgb)
 217
 218         if (keyseq.length() > 1) {
 219                 owner->message(keyseq.print());
 220         }
 221
 222
 223         // Maybe user can only reach the key via holding down shift.
 224         // Let's see. But only if shift is the only modifier
 225         if (action == LFUN_UNKNOWN_ACTION && state == key_modifier::shift) {
 226                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 227                 action = keyseq.addkey(keysym, key_modifier::none);
 228                 lyxerr[Debug::KEY] << "Action now " << action << endl;
 229         }
 230
 231         if (action == LFUN_UNKNOWN_ACTION) {
 232                 // Hmm, we didn't match any of the keysequences. See
 233                 // if it's normal insertable text not already covered
 234                 // by a binding
 235                 if (keysym->isText() && keyseq.length() == 1) {
 236                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 237                         action = LFUN_SELFINSERT;
 238                 } else {
 239                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 240                         owner->message(_("Unknown function."));
 241                         return;
 242                 }
 243         }
 244
 245         if (action == LFUN_SELFINSERT) {
 246                 if (encoded_last_key != 0) {
 247                         string arg;
 248                         arg += encoded_last_key;
 249
 250                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 251
 252                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 253                                    << argument << "']" << endl;
 254                 }
 255         } else {
 256                 dispatch(action);
 257         }
 258 }
 259
 260
 261 FuncStatus LyXFunc::getStatus(int ac) const
 262 {
 263         return getStatus(lyxaction.retrieveActionArg(ac));
 264 }
 265
 266
 267 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 268 {
 269         FuncStatus flag;
 270         Buffer * buf = owner->buffer();
 271
 272         if (ev.action == LFUN_NOACTION) {
 273                 setStatusMessage(N_("Nothing to do"));
 274                 return flag.disabled(true);
 275         }
 276
 277         switch (ev.action) {
 278         case LFUN_UNKNOWN_ACTION:
 279 #ifndef HAVE_LIBAIKSAURUS
 280         case LFUN_THESAURUS_ENTRY:
 281 #endif
 282                 flag.unknown(true);
 283                 break;
 284         default:
 285                 flag |= lyx_gui::getStatus(ev);
 286         }
 287
 288         if (flag.unknown()) {
 289                 setStatusMessage(N_("Unknown action"));
 290                 return flag;
 291         }
 292
 293         // the default error message if we disable the command
 294         setStatusMessage(N_("Command disabled"));
 295
 296         // Check whether we need a buffer
 297         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 298                 // Yes we need a buffer, do we have one?
 299                 if (buf) {
 300                         // yes
 301                         // Can we use a readonly buffer?
 302                         if (buf->isReadonly() &&
 303                             !lyxaction.funcHasFlag(ev.action,
 304                                                    LyXAction::ReadOnly)) {
 305                                 // no
 306                                 setStatusMessage(N_("Document is read-only"));
 307                                 flag.disabled(true);
 308                         }
 309                 } else {
 310                         // no
 311                         setStatusMessage(N_("Command not allowed with"
 312                                            "out any document open"));
 313                         return flag.disabled(true);
 314                 }
 315         }
 316
 317         UpdatableInset * tli = view()->theLockingInset();
 318
 319         // I would really like to avoid having this switch and rather try to
 320         // encode this in the function itself.
 321         bool disable = false;
 322         switch (ev.action) {
 323         case LFUN_MENUPRINT:
 324                 disable = !Exporter::IsExportable(buf, "dvi")
 325                         || lyxrc.print_command == "none";
 326                 break;
 327         case LFUN_EXPORT:
 328                 disable = ev.argument != "custom"
 329                         && !Exporter::IsExportable(buf, ev.argument);
 330                 break;
 331         case LFUN_UNDO:
 332                 disable = buf->undostack.empty();
 333                 break;
 334         case LFUN_REDO:
 335                 disable = buf->redostack.empty();
 336                 break;
 337         case LFUN_CUT:
 338         case LFUN_COPY:
 339                 if (tli) {
 340                         UpdatableInset * in = tli;
 341                         if (in->lyxCode() != Inset::TABULAR_CODE) {
 342                                 in = tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
 343                         }
 344                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 345                                 disable = false;
 346                                 break;
 347                         }
 348                 }
 349                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 350                 break;
 351         case LFUN_RUNCHKTEX:
 352                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 353                 break;
 354         case LFUN_BUILDPROG:
 355                 disable = !Exporter::IsExportable(buf, "program");
 356                 break;
 357
 358         case LFUN_LAYOUT_CHARACTER:
 359                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 360                 break;
 361
 362         case LFUN_LAYOUT_TABULAR:
 363                 disable = !tli
 364                         || (tli->lyxCode() != Inset::TABULAR_CODE
 365                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 366                 break;
 367
 368         case LFUN_LAYOUT:
 369         case LFUN_LAYOUT_PARAGRAPH: {
 370                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 371                 disable = inset && inset->forceDefaultParagraphs(inset);
 372                 break;
 373         }
 374
 375         case LFUN_INSET_OPTARG:
 376                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
 377                 break;
 378
 379         case LFUN_TABULAR_FEATURE:
 380                 if (mathcursor) {
 381 #if 0
 382                         // FIXME: check temporarily disabled
 383                         // valign code
 384                         char align = mathcursor->valign();
 385                         if (align == '\0') {
 386                                 disable = true;
 387                                 break;
 388                         }
 389                         if (ev.argument.empty()) {
 390                                 flag.clear();
 391                                 break;
 392                         }
 393                         if (!contains("tcb", ev.argument[0])) {
 394                                 disable = true;
 395                                 break;
 396                         }
 397                         flag.setOnOff(ev.argument[0] == align);
 398                 } else
 399                         disable = true;
 400
 401                         char align = mathcursor->halign();
 402                         if (align == '\0') {
 403                                 disable = true;
 404                                 break;
 405                         }
 406                         if (ev.argument.empty()) {
 407                                 flag.clear();
 408                                 break;
 409                         }
 410                         if (!contains("lcr", ev.argument[0])) {
 411                                 disable = true;
 412                                 break;
 413                         }
 414                         flag.setOnOff(ev.argument[0] == align);
 415 #endif
 416
 417                         disable = !mathcursor->halign();
 418                         break;
 419                 }
 420
 421                 if (tli) {
 422                         FuncStatus ret;
 423                         //ret.disabled(true);
 424                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 425                                 ret = static_cast<InsetTabular *>(tli)
 426                                         ->getStatus(ev.argument);
 427                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 428                                 ret = static_cast<InsetTabular *>
 429                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 430                                         ->getStatus(ev.argument);
 431                         }
 432                         flag |= ret;
 433                         disable = false;
 434                 } else {
 435                         static InsetTabular inset(*owner->buffer(), 1, 1);
 436                         FuncStatus ret;
 437
 438                         disable = true;
 439                         ret = inset.getStatus(ev.argument);
 440                         if (ret.onoff(true) || ret.onoff(false))
 441                                 flag.setOnOff(false);
 442                 }
 443                 break;
 444
 445         case LFUN_VC_REGISTER:
 446                 disable = buf->lyxvc.inUse();
 447                 break;
 448         case LFUN_VC_CHECKIN:
 449                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 450                 break;
 451         case LFUN_VC_CHECKOUT:
 452                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 453                 break;
 454         case LFUN_VC_REVERT:
 455         case LFUN_VC_UNDO:
 456         case LFUN_VC_HISTORY:
 457                 disable = !buf->lyxvc.inUse();
 458                 break;
 459         case LFUN_MENURELOAD:
 460                 disable = buf->isUnnamed() || buf->isClean();
 461                 break;
 462         case LFUN_BOOKMARK_GOTO:
 463                 disable =  !view()->
 464                         isSavedPosition(strToUnsignedInt(ev.argument));
 465                 break;
 466         case LFUN_MERGE_CHANGES:
 467         case LFUN_ACCEPT_CHANGE:
 468         case LFUN_REJECT_CHANGE:
 469         case LFUN_ACCEPT_ALL_CHANGES:
 470         case LFUN_REJECT_ALL_CHANGES:
 471                 disable = !buf->params.tracking_changes;
 472                 break;
 473         case LFUN_INSET_TOGGLE: {
 474                 LyXText * lt = view()->getLyXText();
 475                 disable = !(isEditableInset(lt->getInset())
 476                             || (lt->inset_owner
 477                                 && lt->inset_owner->owner()
 478                                 && lt->inset_owner->owner()->isOpen()));
 479                 break;
 480         }
 481         case LFUN_LATEX_LOG:
 482                 disable = !IsFileReadable(buf->getLogName().second);
 483                 break;
 484
 485         case LFUN_MATH_MUTATE:
 486                 if (mathcursor)
 487                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 488                         flag.setOnOff(false);
 489                 else
 490                         disable = true;
 491                 break;
 492
 493         // we just need to be in math mode to enable that
 494         case LFUN_MATH_SIZE:
 495         case LFUN_MATH_SPACE:
 496         case LFUN_MATH_LIMITS:
 497         case LFUN_MATH_NONUMBER:
 498         case LFUN_MATH_NUMBER:
 499         case LFUN_MATH_EXTERN:
 500                 disable = !mathcursor;
 501                 break;
 502
 503         default:
 504                 break;
 505         }
 506
 507         // the functions which insert insets
 508         Inset::Code code = Inset::NO_CODE;
 509         switch (ev.action) {
 510         case LFUN_DIALOG_SHOW_NEW_INSET:
 511                 if (ev.argument == "bibitem")
 512                         code = Inset::BIBITEM_CODE;
 513                 else if (ev.argument == "bibtex")
 514                         code = Inset::BIBTEX_CODE;
 515                 else if (ev.argument == "citation")
 516                         code = Inset::CITE_CODE;
 517                 else if (ev.argument == "ert")
 518                         code = Inset::ERT_CODE;
 519                 else if (ev.argument == "external")
 520                         code = Inset::EXTERNAL_CODE;
 521                 else if (ev.argument == "float")
 522                         code = Inset::FLOAT_CODE;
 523                 else if (ev.argument == "graphics")
 524                         code = Inset::GRAPHICS_CODE;
 525                 else if (ev.argument == "include")
 526                         code = Inset::INCLUDE_CODE;
 527                 else if (ev.argument == "index")
 528                         code = Inset::INDEX_CODE;
 529                 else if (ev.argument == "label")
 530                         code = Inset::LABEL_CODE;
 531                 else if (ev.argument == "minipage")
 532                         code = Inset::MINIPAGE_CODE;
 533                 else if (ev.argument == "ref")
 534                         code = Inset::REF_CODE;
 535                 else if (ev.argument == "toc")
 536                         code = Inset::TOC_CODE;
 537                 else if (ev.argument == "url")
 538                         code = Inset::URL_CODE;
 539                 else if (ev.argument == "wrap")
 540                         code = Inset::WRAP_CODE;
 541                 break;
 542
 543         case LFUN_INSET_ERT:
 544                 code = Inset::ERT_CODE;
 545                 break;
 546         case LFUN_INSET_FOOTNOTE:
 547                 code = Inset::FOOT_CODE;
 548                 break;
 549         case LFUN_TABULAR_INSERT:
 550                 code = Inset::TABULAR_CODE;
 551                 break;
 552         case LFUN_INSET_MARGINAL:
 553                 code = Inset::MARGIN_CODE;
 554                 break;
 555         case LFUN_INSET_MINIPAGE:
 556                 code = Inset::MINIPAGE_CODE;
 557                 break;
 558         case LFUN_INSET_FLOAT:
 559         case LFUN_INSET_WIDE_FLOAT:
 560                 code = Inset::FLOAT_CODE;
 561                 break;
 562         case LFUN_INSET_WRAP:
 563                 code = Inset::WRAP_CODE;
 564                 break;
 565         case LFUN_FLOAT_LIST:
 566                 code = Inset::FLOAT_LIST_CODE;
 567                 break;
 568 #if 0
 569         case LFUN_INSET_LIST:
 570                 code = Inset::LIST_CODE;
 571                 break;
 572         case LFUN_INSET_THEOREM:
 573                 code = Inset::THEOREM_CODE;
 574                 break;
 575 #endif
 576         case LFUN_INSET_CAPTION:
 577                 code = Inset::CAPTION_CODE;
 578                 break;
 579         case LFUN_INSERT_NOTE:
 580                 code = Inset::NOTE_CODE;
 581                 break;
 582         case LFUN_INSERT_LABEL:
 583                 code = Inset::LABEL_CODE;
 584                 break;
 585         case LFUN_INSET_OPTARG:
 586                 code = Inset::OPTARG_CODE;
 587                 break;
 588         case LFUN_ENVIRONMENT_INSERT:
 589                 code = Inset::MINIPAGE_CODE;
 590                 break;
 591         case LFUN_INDEX_INSERT:
 592                 code = Inset::INDEX_CODE;
 593                 break;
 594         case LFUN_INDEX_PRINT:
 595                 code = Inset::INDEX_PRINT_CODE;
 596                 break;
 597         case LFUN_TOC_INSERT:
 598                 code = Inset::TOC_CODE;
 599                 break;
 600         case LFUN_PARENTINSERT:
 601                 code = Inset::PARENT_CODE;
 602                 break;
 603         case LFUN_HTMLURL:
 604         case LFUN_URL:
 605                 code = Inset::URL_CODE;
 606                 break;
 607         case LFUN_QUOTE:
 608                 // always allow this, since we will inset a raw quote
 609                 // if an inset is not allowed.
 610                 break;
 611         case LFUN_HYPHENATION:
 612         case LFUN_LIGATURE_BREAK:
 613         case LFUN_HFILL:
 614         case LFUN_MENU_SEPARATOR:
 615         case LFUN_LDOTS:
 616         case LFUN_END_OF_SENTENCE:
 617                 code = Inset::SPECIALCHAR_CODE;
 618                 break;
 619         case LFUN_PROTECTEDSPACE:
 620                 // slight hack: we know this is allowed in math mode
 621                 if (!mathcursor)
 622                         code = Inset::SPECIALCHAR_CODE;
 623                 break;
 624         default:
 625                 break;
 626         }
 627         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 628                 disable = true;
 629
 630         if (disable)
 631                 flag.disabled(true);
 632
 633         // A few general toggles
 634         switch (ev.action) {
 635         case LFUN_TOOLTIPS_TOGGLE:
 636                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 637                 break;
 638
 639         case LFUN_READ_ONLY_TOGGLE:
 640                 flag.setOnOff(buf->isReadonly());
 641                 break;
 642         case LFUN_APPENDIX:
 643                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 644                 break;
 645         case LFUN_SWITCHBUFFER:
 646                 // toggle on the current buffer, but do not toggle off
 647                 // the other ones (is that a good idea?)
 648                 if (ev.argument == buf->fileName())
 649                         flag.setOnOff(true);
 650                 break;
 651         case LFUN_TRACK_CHANGES:
 652                 flag.setOnOff(buf->params.tracking_changes);
 653                 break;
 654         default:
 655                 break;
 656         }
 657
 658         // the font related toggles
 659         if (!mathcursor) {
 660                 LyXFont const & font = TEXT(false)->real_current_font;
 661                 switch (ev.action) {
 662                 case LFUN_EMPH:
 663                         flag.setOnOff(font.emph() == LyXFont::ON);
 664                         break;
 665                 case LFUN_NOUN:
 666                         flag.setOnOff(font.noun() == LyXFont::ON);
 667                         break;
 668                 case LFUN_BOLD:
 669                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 670                         break;
 671                 case LFUN_SANS:
 672                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 673                         break;
 674                 case LFUN_ROMAN:
 675                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 676                         break;
 677                 case LFUN_CODE:
 678                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 679                         break;
 680                 default:
 681                         break;
 682                 }
 683         } else {
 684                 string tc = mathcursor->getLastCode();
 685                 switch (ev.action) {
 686                 case LFUN_BOLD:
 687                         flag.setOnOff(tc == "mathbf");
 688                         break;
 689                 case LFUN_SANS:
 690                         flag.setOnOff(tc == "mathsf");
 691                         break;
 692                 case LFUN_EMPH:
 693                         flag.setOnOff(tc == "mathcal");
 694                         break;
 695                 case LFUN_ROMAN:
 696                         flag.setOnOff(tc == "mathrm");
 697                         break;
 698                 case LFUN_CODE:
 699                         flag.setOnOff(tc == "mathtt");
 700                         break;
 701                 case LFUN_NOUN:
 702                         flag.setOnOff(tc == "mathbb");
 703                         break;
 704                 case LFUN_DEFAULT:
 705                         flag.setOnOff(tc == "mathnormal");
 706                         break;
 707                 default:
 708                         break;
 709                 }
 710         }
 711
 712         // this one is difficult to get right. As a half-baked
 713         // solution, we consider only the first action of the sequence
 714         if (ev.action == LFUN_SEQUENCE) {
 715                 // argument contains ';'-terminated commands
 716                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 717         }
 718
 719         return flag;
 720 }
 721
 722
 723 void LyXFunc::dispatch(string const & s, bool verbose)
 724 {
 725         int const action = lyxaction.LookupFunc(s);
 726
 727         if (action == LFUN_UNKNOWN_ACTION) {
 728 #if USE_BOOST_FORMAT
 729 boost::format fmt(_("Unknown function (%1$s)"));
 730 fmt % s;
 731 owner->message(fmt.str());
 732 #else
 733                 string const msg = string(_("Unknown function ("))
 734                         + s + ')';
 735                 owner->message(msg);
 736 #endif
 737                 return;
 738         }
 739
 740         dispatch(action, verbose);
 741 }
 742
 743
 744 void LyXFunc::dispatch(int ac, bool verbose)
 745 {
 746         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 747 }
 748
 749
 750
 751 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 752 {
 753         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 754                               <<"] arg[" << ev.argument << ']' << endl;
 755
 756         // we have not done anything wrong yet.
 757         errorstat = false;
 758         dispatch_buffer.erase();
 759
 760 #ifdef NEW_DISPATCHER
 761         // We try do call the most specific dispatcher first:
 762         //  1. the lockinginset's dispatch
 763         //  2. the bufferview's dispatch
 764         //  3. the lyxview's dispatch
 765 #endif
 766
 767         selection_possible = false;
 768
 769         if (view()->available())
 770                 view()->hideCursor();
 771
 772         string argument = ev.argument;
 773         kb_action action = ev.action;
 774
 775         // We cannot use this function here
 776         if (getStatus(ev).disabled()) {
 777                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 778                        << lyxaction.getActionName(action)
 779                        << " [" << action << "] is disabled at this location"
 780                        << endl;
 781                 setErrorMessage(getStatusMessage());
 782                 goto exit_with_message;
 783         }
 784
 785         if (view()->available() && view()->theLockingInset()) {
 786                 Inset::RESULT result;
 787                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 788                                      (!keyseq.deleted())))
 789                 {
 790                         UpdatableInset * inset = view()->theLockingInset();
 791 #if 1
 792                         int inset_x;
 793                         int dummy_y;
 794                         inset->getCursorPos(view(), inset_x, dummy_y);
 795 #endif
 796                         if ((action == LFUN_UNKNOWN_ACTION)
 797                             && argument.empty()) {
 798                                 argument = encoded_last_key;
 799                         }
 800                         // Undo/Redo is a bit tricky for insets.
 801                         if (action == LFUN_UNDO) {
 802                                 view()->undo();
 803                                 goto exit_with_message;
 804                         } else if (action == LFUN_REDO) {
 805                                 view()->redo();
 806                                 goto exit_with_message;
 807                         } else if (((result=inset->
 808                                      // Hand-over to inset's own dispatch:
 809                                      localDispatch(FuncRequest(view(), action, argument))) ==
 810                                     DISPATCHED) ||
 811                                    (result == DISPATCHED_NOUPDATE))
 812                                 goto exit_with_message;
 813                                         // If UNDISPATCHED, just soldier on
 814                         else if (result == FINISHED) {
 815                                 goto exit_with_message;
 816                                 // We do not need special RTL handling here:
 817                                 // FINISHED means that the cursor should be
 818                                 // one position after the inset.
 819                         } else if (result == FINISHED_RIGHT) {
 820                                 TEXT()->cursorRight(view());
 821                                 moveCursorUpdate(true, false);
 822                                 owner->view_state_changed();
 823                                 goto exit_with_message;
 824                         } else if (result == FINISHED_UP) {
 825                                 if (TEXT()->cursor.irow() != TEXT()->rows().begin()) {
 826 #if 1
 827                                         TEXT()->setCursorFromCoordinates(
 828                                                 TEXT()->cursor.ix() + inset_x,
 829                                                 TEXT()->cursor.iy() -
 830                                                 TEXT()->cursor.irow()->baseline() - 1);
 831                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 832 #else
 833                                         TEXT()->cursorUp(view());
 834 #endif
 835                                         moveCursorUpdate(true, false);
 836                                         owner->view_state_changed();
 837                                 } else {
 838                                         view()->update(TEXT(), BufferView::SELECT);
 839                                 }
 840                                 goto exit_with_message;
 841                         } else if (result == FINISHED_DOWN) {
 842                                 if (boost::next(TEXT()->cursor.irow()) != TEXT()->rows().end()) {
 843 #if 1
 844                                         TEXT()->setCursorFromCoordinates(
 845                                                 TEXT()->cursor.ix() + inset_x,
 846                                                 TEXT()->cursor.iy() -
 847                                                 TEXT()->cursor.irow()->baseline() +
 848                                                 TEXT()->cursor.irow()->height() + 1);
 849                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 850 #else
 851                                         TEXT()->cursorDown(view());
 852 #endif
 853                                 } else {
 854                                         TEXT()->cursorRight(view());
 855                                 }
 856                                 moveCursorUpdate(true, false);
 857                                 owner->view_state_changed();
 858                                 goto exit_with_message;
 859                         }
 860 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 861                         else { // result == UNDISPATCHED
 862                                 //setMessage(N_("Text mode"));
 863                                 switch (action) {
 864                                 case LFUN_UNKNOWN_ACTION:
 865                                 case LFUN_BREAKPARAGRAPH:
 866                                 case LFUN_BREAKLINE:
 867                                         TEXT()->cursorRight(view());
 868                                         view()->switchKeyMap();
 869                                         owner->view_state_changed();
 870                                         break;
 871                                 case LFUN_RIGHT:
 872                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 873                                                 TEXT()->cursorRight(view());
 874                                                 moveCursorUpdate(true, false);
 875                                                 owner->view_state_changed();
 876                                         }
 877                                         goto exit_with_message;
 878                                 case LFUN_LEFT:
 879                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 880                                                 TEXT()->cursorRight(view());
 881                                                 moveCursorUpdate(true, false);
 882                                                 owner->view_state_changed();
 883                                         }
 884                                         goto exit_with_message;
 885                                 case LFUN_DOWN:
 886                                         if (boost::next(TEXT()->cursor.row()) != TEXT()->rows().end())
 887                                                 TEXT()->cursorDown(view());
 888                                         else
 889                                                 TEXT()->cursorRight(view());
 890                                         moveCursorUpdate(true, false);
 891                                         owner->view_state_changed();
 892                                         goto exit_with_message;
 893                                 default:
 894                                         break;
 895                                 }
 896                         }
 897                 }
 898         }
 899
 900         switch (action) {
 901
 902         case LFUN_ESCAPE:
 903         {
 904                 if (!view()->available()) break;
 905                 // this function should be used always [asierra060396]
 906                 UpdatableInset * tli =
 907                         view()->theLockingInset();
 908                 if (tli) {
 909                         UpdatableInset * lock = tli->getLockingInset();
 910
 911                         if (tli == lock) {
 912                                 view()->unlockInset(tli);
 913                                 TEXT()->cursorRight(view());
 914                                 moveCursorUpdate(true, false);
 915                                 owner->view_state_changed();
 916                         } else {
 917                                 tli->unlockInsetInInset(view(),
 918                                                         lock,
 919                                                         true);
 920                         }
 921                         finishUndo();
 922                         // Tell the paragraph dialog that we changed paragraph
 923                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 924                 }
 925         }
 926         break;
 927
 928                 // --- Misc -------------------------------------------
 929         case LFUN_WORDFINDFORWARD  :
 930         case LFUN_WORDFINDBACKWARD : {
 931                 static string last_search;
 932                 string searched_string;
 933
 934                 if (!argument.empty()) {
 935                         last_search = argument;
 936                         searched_string = argument;
 937                 } else {
 938                         searched_string = last_search;
 939                 }
 940                 bool fw = (action == LFUN_WORDFINDFORWARD);
 941                 if (!searched_string.empty()) {
 942                         lyxfind::LyXFind(view(), searched_string, fw);
 943                 }
 944 //              view()->showCursor();
 945         }
 946         break;
 947
 948         case LFUN_PREFIX:
 949         {
 950                 if (view()->available() && !view()->theLockingInset()) {
 951                         view()->update(TEXT(), BufferView::SELECT);
 952                 }
 953                 owner->message(keyseq.printOptions());
 954         }
 955         break;
 956
 957         // --- Misc -------------------------------------------
 958         case LFUN_EXEC_COMMAND:
 959                 owner->focus_command_buffer();
 960                 break;
 961
 962         case LFUN_CANCEL:                   // RVDK_PATCH_5
 963                 keyseq.reset();
 964                 meta_fake_bit = key_modifier::none;
 965                 if (view()->available())
 966                         // cancel any selection
 967                         dispatch(LFUN_MARK_OFF);
 968                 setMessage(N_("Cancel"));
 969                 break;
 970
 971         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 972         {
 973                 meta_fake_bit = key_modifier::alt;
 974                 setMessage(keyseq.print());
 975         }
 976         break;
 977
 978         case LFUN_READ_ONLY_TOGGLE:
 979                 if (owner->buffer()->lyxvc.inUse()) {
 980                         owner->buffer()->lyxvc.toggleReadOnly();
 981                 } else {
 982                         owner->buffer()->setReadonly(
 983                                 !owner->buffer()->isReadonly());
 984                 }
 985                 break;
 986
 987         case LFUN_CENTER: // this is center and redraw.
 988                 view()->center();
 989                 break;
 990
 991                 // --- Menus -----------------------------------------------
 992         case LFUN_MENUNEW:
 993                 menuNew(argument, false);
 994                 break;
 995
 996         case LFUN_MENUNEWTMPLT:
 997                 menuNew(argument, true);
 998                 break;
 999
1000         case LFUN_CLOSEBUFFER:
1001                 closeBuffer();
1002                 break;
1003
1004         case LFUN_MENUWRITE:
1005                 if (!owner->buffer()->isUnnamed()) {
1006                         ostringstream s1;
1007 #if USE_BOOST_FORMAT
1008                         s1 << boost::format(_("Saving document %1$s..."))
1009                            % MakeDisplayPath(owner->buffer()->fileName());
1010 #else
1011                         s1 << _("Saving document ")
1012                            << MakeDisplayPath(owner->buffer()->fileName())
1013                            << _("...");
1014 #endif
1015                         owner->message(STRCONV(s1.str()));
1016                         MenuWrite(view(), owner->buffer());
1017                         s1 << _(" done.");
1018                         owner->message(STRCONV(s1.str()));
1019                 } else
1020                         WriteAs(view(), owner->buffer());
1021                 break;
1022
1023         case LFUN_WRITEAS:
1024                 WriteAs(view(), owner->buffer(), argument);
1025                 break;
1026
1027         case LFUN_MENURELOAD: {
1028                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1029 #if USE_BOOST_FORMAT
1030                 boost::format fmt(_("Any changes will be lost. Are you sure you want to revert to the saved version of the document %1$s?"));
1031                 fmt % file;
1032                 string text = fmt.str();
1033 #else
1034                 string text = _("Any changes will be lost. Are you sure you want to revert to the saved version of the document");
1035                 text += file + _("?");
1036 #endif
1037                 int const ret = Alert::prompt(_("Revert to saved document?"),
1038                         text, 1, _("&Revert"), _("&Cancel"));
1039
1040                 if (ret == 0)
1041                         view()->reload();
1042                 break;
1043         }
1044
1045         case LFUN_UPDATE:
1046                 Exporter::Export(owner->buffer(), argument, true);
1047                 break;
1048
1049         case LFUN_PREVIEW:
1050                 Exporter::Preview(owner->buffer(), argument);
1051                 break;
1052
1053         case LFUN_BUILDPROG:
1054                 Exporter::Export(owner->buffer(), "program", true);
1055                 break;
1056
1057         case LFUN_RUNCHKTEX:
1058                 owner->buffer()->runChktex();
1059                 break;
1060
1061         case LFUN_MENUPRINT:
1062                 owner->getDialogs().showPrint();
1063                 break;
1064
1065         case LFUN_EXPORT:
1066                 if (argument == "custom")
1067                         owner->getDialogs().showSendto();
1068                 else
1069                         Exporter::Export(owner->buffer(), argument, false);
1070                 break;
1071
1072         case LFUN_IMPORT:
1073                 doImport(argument);
1074                 break;
1075
1076         case LFUN_QUIT:
1077                 QuitLyX();
1078                 break;
1079
1080         case LFUN_TOCVIEW:
1081         {
1082                 InsetCommandParams p("tableofcontents");
1083                 string const data = InsetCommandMailer::params2string("toc", p);
1084                 owner->getDialogs().show("toc", data, 0);
1085                 break;
1086         }
1087
1088         case LFUN_AUTOSAVE:
1089                 AutoSave(view());
1090                 break;
1091
1092         case LFUN_UNDO:
1093                 view()->undo();
1094                 break;
1095
1096         case LFUN_REDO:
1097                 view()->redo();
1098                 break;
1099
1100         case LFUN_MENUSEARCH:
1101                 owner->getDialogs().showSearch();
1102                 break;
1103
1104         case LFUN_REMOVEERRORS:
1105                 if (view()->removeAutoInsets()) {
1106 #warning repaint() or update() or nothing ?
1107                         view()->repaint();
1108                         view()->fitCursor();
1109                 }
1110                 break;
1111
1112         case LFUN_DEPTH_MIN:
1113                 changeDepth(view(), TEXT(false), bv_funcs::DEC_DEPTH);
1114                 break;
1115
1116         case LFUN_DEPTH_PLUS:
1117                 changeDepth(view(), TEXT(false), bv_funcs::INC_DEPTH);
1118                 break;
1119
1120         case LFUN_FREEFONT_APPLY:
1121                 apply_freefont(view());
1122                 break;
1123
1124         case LFUN_FREEFONT_UPDATE:
1125                 update_and_apply_freefont(view(), argument);
1126                 break;
1127
1128         case LFUN_RECONFIGURE:
1129                 Reconfigure(view());
1130                 break;
1131
1132 #if 0
1133         case LFUN_FLOATSOPERATE:
1134                 if (argument == "openfoot")
1135                         view()->allFloats(1,0);
1136                 else if (argument == "closefoot")
1137                         view()->allFloats(0,0);
1138                 else if (argument == "openfig")
1139                         view()->allFloats(1,1);
1140                 else if (argument == "closefig")
1141                         view()->allFloats(0,1);
1142                 break;
1143 #else
1144 #ifdef WITH_WARNINGS
1145 //#warning Find another implementation here (or another lyxfunc)!
1146 #endif
1147 #endif
1148         case LFUN_HELP_ABOUTLYX:
1149                 owner->getDialogs().show("about");
1150                 break;
1151
1152         case LFUN_HELP_TEXINFO:
1153                 owner->getDialogs().showTexinfo();
1154                 break;
1155
1156         case LFUN_HELP_OPEN:
1157         {
1158                 string const arg = argument;
1159                 if (arg.empty()) {
1160                         setErrorMessage(N_("Missing argument"));
1161                         break;
1162                 }
1163                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1164                 if (fname.empty()) {
1165                         lyxerr << "LyX: unable to find documentation file `"
1166                                << arg << "'. Bad installation?" << endl;
1167                         break;
1168                 }
1169                 ostringstream str;
1170 #if USE_BOOST_FORMAT
1171                 str << boost::format(_("Opening help file %1$s..."))
1172                     % MakeDisplayPath(fname);
1173 #else
1174                 str << _("Opening help file ")
1175                     << MakeDisplayPath(fname) << _("...");
1176 #endif
1177                 owner->message(STRCONV(str.str()));
1178                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1179                 break;
1180         }
1181
1182                 // --- version control -------------------------------
1183         case LFUN_VC_REGISTER:
1184         {
1185                 if (!owner->buffer()->lyxvc.inUse())
1186                         owner->buffer()->lyxvc.registrer();
1187         }
1188         break;
1189
1190         case LFUN_VC_CHECKIN:
1191         {
1192                 if (owner->buffer()->lyxvc.inUse()
1193                     && !owner->buffer()->isReadonly())
1194                         owner->buffer()->lyxvc.checkIn();
1195         }
1196         break;
1197
1198         case LFUN_VC_CHECKOUT:
1199         {
1200                 if (owner->buffer()->lyxvc.inUse()
1201                     && owner->buffer()->isReadonly())
1202                         owner->buffer()->lyxvc.checkOut();
1203         }
1204         break;
1205
1206         case LFUN_VC_REVERT:
1207         {
1208                 owner->buffer()->lyxvc.revert();
1209         }
1210         break;
1211
1212         case LFUN_VC_UNDO:
1213         {
1214                 owner->buffer()->lyxvc.undoLast();
1215         }
1216         break;
1217
1218         case LFUN_VC_HISTORY:
1219         {
1220                 owner->getDialogs().show("vclog");
1221                 break;
1222         }
1223
1224         // --- buffers ----------------------------------------
1225
1226         case LFUN_SWITCHBUFFER:
1227                 view()->buffer(bufferlist.getBuffer(argument));
1228                 break;
1229
1230         case LFUN_FILE_NEW:
1231         {
1232                 // servercmd: argument must be <file>:<template>
1233                 Buffer * tmpbuf = NewFile(argument);
1234                 if (tmpbuf)
1235                         view()->buffer(tmpbuf);
1236         }
1237         break;
1238
1239         case LFUN_FILE_OPEN:
1240                 open(argument);
1241                 break;
1242
1243         case LFUN_LATEX_LOG:
1244                 owner->getDialogs().show("log");
1245                 break;
1246
1247         case LFUN_LAYOUT_DOCUMENT:
1248                 owner->getDialogs().showDocument();
1249                 break;
1250
1251         case LFUN_LAYOUT_CHARACTER: {
1252                 string data = freefont2string();
1253                 if (!data.empty())
1254                         owner->getDialogs().show("character", data);
1255                 break;
1256         }
1257
1258         case LFUN_LAYOUT_TABULAR:
1259             if (view()->theLockingInset()) {
1260                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1261                     InsetTabular * inset = static_cast<InsetTabular *>
1262                         (view()->theLockingInset());
1263                     inset->openLayoutDialog(view());
1264                 } else if (view()->theLockingInset()->
1265                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1266                     InsetTabular * inset = static_cast<InsetTabular *>(
1267                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1268                     inset->openLayoutDialog(view());
1269                 }
1270             }
1271             break;
1272
1273         case LFUN_LAYOUT_PREAMBLE:
1274                 owner->getDialogs().showPreamble();
1275                 break;
1276
1277         case LFUN_DROP_LAYOUTS_CHOICE:
1278                 owner->getToolbar().openLayoutList();
1279                 break;
1280
1281         case LFUN_MENU_OPEN_BY_NAME:
1282                 owner->getMenubar().openByName(argument);
1283                 break; // RVDK_PATCH_5
1284
1285         case LFUN_SPELLCHECK:
1286                 owner->getDialogs().showSpellchecker();
1287                 break;
1288
1289         // --- lyxserver commands ----------------------------
1290
1291
1292         case LFUN_GETNAME:
1293                 setMessage(owner->buffer()->fileName());
1294                 lyxerr[Debug::INFO] << "FNAME["
1295                                << owner->buffer()->fileName()
1296                                << "] " << endl;
1297                 break;
1298
1299         case LFUN_NOTIFY:
1300         {
1301                 dispatch_buffer = keyseq.print();
1302                 lyxserver->notifyClient(dispatch_buffer);
1303         }
1304         break;
1305
1306         case LFUN_GOTOFILEROW:
1307         {
1308                 string file_name;
1309                 int row;
1310                 istringstream istr(argument.c_str());
1311                 istr >> file_name >> row;
1312                 // Must replace extension of the file to be .lyx and get full path
1313                 string const s(ChangeExtension(file_name, ".lyx"));
1314
1315                 // Either change buffer or load the file
1316                 if (bufferlist.exists(s)) {
1317                         view()->buffer(bufferlist.getBuffer(s));
1318                 } else {
1319                         view()->buffer(bufferlist.loadLyXFile(s));
1320                 }
1321
1322                 view()->setCursorFromRow(row);
1323
1324                 view()->center();
1325                 // see BufferView_pimpl::center()
1326                 view()->updateScrollbar();
1327         }
1328         break;
1329
1330         case LFUN_GOTO_PARAGRAPH:
1331         {
1332                 istringstream istr(argument.c_str());
1333
1334                 int id;
1335                 istr >> id;
1336                 Paragraph * par = owner->buffer()->getParFromID(id);
1337                 if (par == 0) {
1338                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1339                                             << id << ']' << endl;
1340                         break;
1341                 } else {
1342                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1343                                             << " found." << endl;
1344                 }
1345
1346                 if (view()->theLockingInset())
1347                         view()->unlockInset(view()->theLockingInset());
1348                 if (par->inInset()) {
1349                         par->inInset()->edit(view());
1350                 }
1351                 // Set the cursor
1352                 view()->getLyXText()->setCursor(par, 0);
1353                 view()->switchKeyMap();
1354                 owner->view_state_changed();
1355
1356                 view()->center();
1357                 // see BufferView_pimpl::center()
1358                 view()->updateScrollbar();
1359         }
1360         break;
1361
1362         case LFUN_APROPOS:
1363         case LFUN_GETTIP:
1364         {
1365                 int const qa = lyxaction.LookupFunc(argument);
1366                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1367         }
1368         break;
1369
1370         // --- insert characters ----------------------------------------
1371
1372         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1373         case LFUN_MATH_EXTERN:
1374         case LFUN_MATH_NUMBER:
1375         case LFUN_MATH_NONUMBER:
1376         case LFUN_MATH_LIMITS:
1377         {
1378                 setErrorMessage(N_("This is only allowed in math mode!"));
1379         }
1380         break;
1381
1382         // passthrough hat and underscore outside mathed:
1383         case LFUN_SUBSCRIPT:
1384                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1385                 break;
1386         case LFUN_SUPERSCRIPT:
1387                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1388                 break;
1389
1390         case LFUN_MATH_PANEL:
1391                 owner->getDialogs().showMathPanel();
1392                 break;
1393
1394         case LFUN_DIALOG_SHOW_NEW_INSET: {
1395                 string const & name = argument;
1396                 string data;
1397                 if (name == "bibitem" ||
1398                     name == "bibtex" ||
1399                     name == "include" ||
1400                     name == "index" ||
1401                     name == "ref" ||
1402                     name == "toc" ||
1403                     name == "url") {
1404                         InsetCommandParams p(name);
1405                         data = InsetCommandMailer::params2string(name, p);
1406                 } else if (name == "citation") {
1407                         InsetCommandParams p("cite");
1408                         data = InsetCommandMailer::params2string(name, p);
1409                 }
1410                 owner->getDialogs().show(name, data, 0);
1411         }
1412         break;
1413
1414         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1415         }
1416         break;
1417
1418         case LFUN_DIALOG_UPDATE: {
1419                 string const & name = argument;
1420                 // Can only update a dialog connected to an existing inset
1421                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1422                 if (inset) {
1423                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1424                                        ev.argument);
1425                         inset->localDispatch(fr);
1426                 } else if (name == "paragraph") {
1427                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1428                 }
1429         }
1430         break;
1431
1432         case LFUN_DIALOG_HIDE:
1433                 Dialogs::hide(argument, 0);
1434                 break;
1435
1436         case LFUN_DIALOG_DISCONNECT_INSET:
1437                 owner->getDialogs().disconnect(argument);
1438                 break;
1439
1440         case LFUN_CHILDOPEN:
1441         {
1442                 string const filename =
1443                         MakeAbsPath(argument,
1444                                     owner->buffer()->filePath());
1445                 setMessage(N_("Opening child document ") +
1446                            MakeDisplayPath(filename) + "...");
1447                 view()->savePosition(0);
1448                 if (bufferlist.exists(filename))
1449                         view()->buffer(bufferlist.getBuffer(filename));
1450                 else
1451                         view()->buffer(bufferlist.loadLyXFile(filename));
1452         }
1453         break;
1454
1455         case LFUN_TOGGLECURSORFOLLOW:
1456                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1457                 break;
1458
1459         case LFUN_KMAP_OFF:
1460                 owner->getIntl().KeyMapOn(false);
1461                 break;
1462
1463         case LFUN_KMAP_PRIM:
1464                 owner->getIntl().KeyMapPrim();
1465                 break;
1466
1467         case LFUN_KMAP_SEC:
1468                 owner->getIntl().KeyMapSec();
1469                 break;
1470
1471         case LFUN_KMAP_TOGGLE:
1472                 owner->getIntl().ToggleKeyMap();
1473                 break;
1474
1475         case LFUN_SEQUENCE:
1476         {
1477                 // argument contains ';'-terminated commands
1478                 while (!argument.empty()) {
1479                         string first;
1480                         argument = split(argument, first, ';');
1481                         dispatch(first);
1482                 }
1483         }
1484         break;
1485
1486         case LFUN_DIALOG_PREFERENCES:
1487                 owner->getDialogs().showPreferences();
1488                 break;
1489
1490         case LFUN_SAVEPREFERENCES:
1491         {
1492                 Path p(user_lyxdir);
1493                 lyxrc.write("preferences");
1494         }
1495         break;
1496
1497         case LFUN_SCREEN_FONT_UPDATE:
1498         {
1499                 // handle the screen font changes.
1500                 lyxrc.set_font_norm_type();
1501                 lyx_gui::update_fonts();
1502                 // We also need to empty the textcache so that
1503                 // the buffer will be formatted correctly after
1504                 // a zoom change.
1505                 textcache.clear();
1506                 // Of course we should only do the resize and the textcache.clear
1507                 // if values really changed...but not very important right now. (Lgb)
1508                 // All visible buffers will need resize
1509                 view()->resize();
1510                 view()->repaint();
1511         }
1512         break;
1513
1514         case LFUN_SET_COLOR:
1515         {
1516                 string lyx_name;
1517                 string const x11_name = split(argument, lyx_name, ' ');
1518                 if (lyx_name.empty() || x11_name.empty()) {
1519                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1520                                                 " <x11_name>"));
1521                         break;
1522                         }
1523
1524                 bool const graphicsbg_changed =
1525                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1526                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1527
1528                 if (!lcolor.setColor(lyx_name, x11_name)) {
1529 #if USE_BOOST_FORMAT
1530                         setErrorMessage(
1531                                 boost::io::str(
1532                                         boost::format(
1533                                                 _("Set-color \"%1$s\" failed "
1534                                                   "- color is undefined or "
1535                                                   "may not be redefined"))
1536                                         % lyx_name));
1537 #else
1538                         setErrorMessage(_("Set-color ") + lyx_name
1539                                         + _(" failed - color is undefined"
1540                                             " or may not be redefined"));
1541 #endif
1542
1543                         break;
1544                 }
1545
1546                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1547
1548                 if (graphicsbg_changed) {
1549 #ifdef WITH_WARNINGS
1550 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1551 #endif
1552 #if 0
1553                         grfx::GCache & gc = grfx::GCache::get();
1554                         gc.changeDisplay(true);
1555 #endif
1556                 }
1557
1558                 view()->repaint();
1559                 break;
1560         }
1561
1562         case LFUN_MESSAGE:
1563                 owner->message(argument);
1564                 break;
1565
1566         case LFUN_FORKS_SHOW:
1567                 owner->getDialogs().showForks();
1568                 break;
1569
1570         case LFUN_FORKS_KILL:
1571         {
1572                 if (!isStrInt(argument))
1573                         break;
1574
1575                 pid_t const pid = strToInt(argument);
1576                 ForkedcallsController & fcc = ForkedcallsController::get();
1577                 fcc.kill(pid);
1578                 break;
1579         }
1580
1581         case LFUN_TOOLTIPS_TOGGLE:
1582                 owner->getDialogs().toggleTooltips();
1583                 break;
1584
1585         default:
1586                 // Then if it was none of the above
1587                 // Trying the BufferView::pimpl dispatch:
1588                 if (!view()->dispatch(ev))
1589                         lyxerr << "A truly unknown func ["
1590                                << lyxaction.getActionName(ev.action) << "]!"
1591                                << endl;
1592                 break;
1593         } // end of switch
1594
1595 exit_with_message:
1596
1597         view()->owner()->updateLayoutChoice();
1598
1599         if (view()->available()) {
1600                 view()->fitCursor();
1601
1602                 // If we executed a mutating lfun, mark the buffer as dirty
1603                 if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)
1604                     && !lyxaction.funcHasFlag(ev.action, LyXAction::ReadOnly))
1605                         view()->buffer()->markDirty();
1606         }
1607
1608         sendDispatchMessage(getMessage(), ev, verbose);
1609 }
1610
1611
1612 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1613 {
1614         owner->updateMenubar();
1615         owner->updateToolbar();
1616
1617         if (ev.action == LFUN_SELFINSERT || !verbose) {
1618                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1619                 if (!msg.empty())
1620                         owner->message(msg);
1621                 return;
1622         }
1623
1624         string dispatch_msg = msg;
1625         if (!dispatch_msg.empty())
1626                 dispatch_msg += ' ';
1627
1628         string comname = lyxaction.getActionName(ev.action);
1629
1630         int pseudoaction = ev.action;
1631         bool argsadded = false;
1632
1633         if (!ev.argument.empty()) {
1634                 // the pseudoaction is useful for the bindings
1635                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1636
1637                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1638                         pseudoaction = ev.action;
1639                 } else {
1640                         comname += ' ' + ev.argument;
1641                         argsadded = true;
1642                 }
1643         }
1644
1645         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1646
1647         if (!shortcuts.empty()) {
1648                 comname += ": " + shortcuts;
1649         } else if (!argsadded && !ev.argument.empty()) {
1650                 comname += ' ' + ev.argument;
1651         }
1652
1653         if (!comname.empty()) {
1654                 comname = rtrim(comname);
1655                 dispatch_msg += '(' + comname + ')';
1656         }
1657
1658         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1659         if (!dispatch_msg.empty())
1660                 owner->message(dispatch_msg);
1661 }
1662
1663
1664 void LyXFunc::setupLocalKeymap()
1665 {
1666         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1667         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1668 }
1669
1670
1671 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1672 {
1673         string initpath = lyxrc.document_path;
1674         string filename(name);
1675
1676         if (view()->available()) {
1677                 string const trypath = owner->buffer()->filePath();
1678                 // If directory is writeable, use this as default.
1679                 if (IsDirWriteable(trypath))
1680                         initpath = trypath;
1681         }
1682
1683         static int newfile_number;
1684
1685         if (filename.empty()) {
1686                 filename = AddName(lyxrc.document_path,
1687                             "newfile" + tostr(++newfile_number) + ".lyx");
1688                 FileInfo fi(filename);
1689                 while (bufferlist.exists(filename) || fi.readable()) {
1690                         ++newfile_number;
1691                         filename = AddName(lyxrc.document_path,
1692                                     "newfile" + tostr(newfile_number) +
1693                                     ".lyx");
1694                         fi.newFile(filename);
1695                 }
1696         }
1697
1698         // The template stuff
1699         string templname;
1700         if (fromTemplate) {
1701                 FileDialog fileDlg(_("Select template file"),
1702                         LFUN_SELECT_FILE_SYNC,
1703                         make_pair(string(_("Documents|#o#O")),
1704                                   string(lyxrc.document_path)),
1705                         make_pair(string(_("Templates|#T#t")),
1706                                   string(lyxrc.template_path)));
1707
1708                 FileDialog::Result result =
1709                         fileDlg.open(lyxrc.template_path,
1710                                        _("*.lyx| LyX Documents (*.lyx)"));
1711
1712                 if (result.first == FileDialog::Later)
1713                         return;
1714
1715                 string const fname = result.second;
1716
1717                 if (fname.empty())
1718                         return;
1719                 templname = fname;
1720         }
1721
1722         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1723 }
1724
1725
1726 void LyXFunc::open(string const & fname)
1727 {
1728         string initpath = lyxrc.document_path;
1729
1730         if (view()->available()) {
1731                 string const trypath = owner->buffer()->filePath();
1732                 // If directory is writeable, use this as default.
1733                 if (IsDirWriteable(trypath))
1734                         initpath = trypath;
1735         }
1736
1737         string filename;
1738
1739         if (fname.empty()) {
1740                 FileDialog fileDlg(_("Select document to open"),
1741                         LFUN_FILE_OPEN,
1742                         make_pair(string(_("Documents|#o#O")),
1743                                   string(lyxrc.document_path)),
1744                         make_pair(string(_("Examples|#E#e")),
1745                                   string(AddPath(system_lyxdir, "examples"))));
1746
1747                 FileDialog::Result result =
1748                         fileDlg.open(initpath,
1749                                        _("*.lyx| LyX Documents (*.lyx)"));
1750
1751                 if (result.first == FileDialog::Later)
1752                         return;
1753
1754                 filename = result.second;
1755
1756                 // check selected filename
1757                 if (filename.empty()) {
1758                         owner->message(_("Canceled."));
1759                         return;
1760                 }
1761         } else
1762                 filename = fname;
1763
1764         // get absolute path of file and add ".lyx" to the filename if
1765         // necessary
1766         string const fullpath = FileSearch(string(), filename, "lyx");
1767         if (!fullpath.empty()) {
1768                 filename = fullpath;
1769         }
1770
1771         string const disp_fn(MakeDisplayPath(filename));
1772
1773         // if the file doesn't exist, let the user create one
1774         FileInfo const f(filename, true);
1775         if (!f.exist()) {
1776                 // the user specifically chose this name. Believe them.
1777                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1778                 view()->buffer(buffer);
1779                 return;
1780         }
1781
1782         ostringstream str;
1783 #if USE_BOOST_FORMAT
1784         str << boost::format(_("Opening document %1$s...")) % disp_fn;
1785 #else
1786         str << _("Opening document ") << disp_fn << _("...");
1787 #endif
1788
1789         owner->message(STRCONV(str.str()));
1790
1791         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1792         ostringstream str2;
1793         if (openbuf) {
1794                 view()->buffer(openbuf);
1795 #if USE_BOOST_FORMAT
1796                 str2 << boost::format(_("Document %1$s opened.")) % disp_fn;
1797 #else
1798                 str2 << _("Document ") << disp_fn << _(" opened.");
1799 #endif
1800         } else {
1801 #if USE_BOOST_FORMAT
1802                 str2 << boost::format(_("Could not open document %1$s"))
1803                         % disp_fn;
1804 #else
1805                 str2 << _("Could not open document ") << disp_fn;
1806 #endif
1807         }
1808         owner->message(STRCONV(str2.str()));
1809 }
1810
1811
1812 void LyXFunc::doImport(string const & argument)
1813 {
1814         string format;
1815         string filename = split(argument, format, ' ');
1816
1817         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1818                             << " file: " << filename << endl;
1819
1820         // need user interaction
1821         if (filename.empty()) {
1822                 string initpath = lyxrc.document_path;
1823
1824                 if (view()->available()) {
1825                         string const trypath = owner->buffer()->filePath();
1826                         // If directory is writeable, use this as default.
1827                         if (IsDirWriteable(trypath))
1828                                 initpath = trypath;
1829                 }
1830
1831 #if USE_BOOST_FORMAT
1832                 boost::format fmt(_("Select %1$s file to import"));
1833                 fmt % formats.prettyName(format);
1834                 string const text = fmt.str();
1835 #else
1836                 string const text = _("Select ") + formats.prettyName(format)
1837                         + _(" file to import");;
1838 #endif
1839
1840                 FileDialog fileDlg(text,
1841                         LFUN_IMPORT,
1842                         make_pair(string(_("Documents|#o#O")),
1843                                   string(lyxrc.document_path)),
1844                         make_pair(string(_("Examples|#E#e")),
1845                                   string(AddPath(system_lyxdir, "examples"))));
1846
1847                 string const extension = "*." + formats.extension(format)
1848                         + "| " + formats.prettyName(format)
1849                         + " (*." + formats.extension(format) + ')';
1850
1851                 FileDialog::Result result = fileDlg.open(initpath,
1852                                                            extension);
1853
1854                 if (result.first == FileDialog::Later)
1855                         return;
1856
1857                 filename = result.second;
1858
1859                 // check selected filename
1860                 if (filename.empty())
1861                         owner->message(_("Canceled."));
1862         }
1863
1864         if (filename.empty())
1865                 return;
1866
1867         // get absolute path of file
1868         filename = MakeAbsPath(filename);
1869
1870         string const lyxfile = ChangeExtension(filename, ".lyx");
1871
1872         // Check if the document already is open
1873         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1874                 string const file = MakeDisplayPath(lyxfile, 30);
1875
1876                 // FIXME: sucky UI !
1877
1878 #if USE_BOOST_FORMAT
1879                 boost::format fmt(_("The document %1$s is already open.\n\nDo you want to close that document?"));
1880                 fmt % file;
1881                 string text = fmt.str();
1882 #else
1883                 string text = _("The document ");
1884                 text += file + _(" is already open.\n\nDo you want to close that document?");
1885 #endif
1886                 int const ret = Alert::prompt(_("Close open document?"),
1887                         text, 1, _("&Close"), _("&Cancel"));
1888
1889                 if (ret == 0 || !bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1890                         owner->message(_("Canceled."));
1891                         return;
1892                 }
1893         }
1894
1895         // if the file exists already, and we didn't do
1896         // -i lyx thefile.lyx, warn
1897         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1898                 string const file = MakeDisplayPath(lyxfile, 30);
1899
1900 #if USE_BOOST_FORMAT
1901                 boost::format fmt(_("The document %1$s already exists.\n\nDo you want to over-write that document?"));
1902                 fmt % file;
1903                 string text = fmt.str();
1904 #else
1905                 string text = _("The document ");
1906                 text += file + _(" already exists.\n\nDo you want to over-write that document?");
1907 #endif
1908                 int const ret = Alert::prompt(_("Over-write document?"),
1909                         text, 1, _("&Over-write"), _("&Cancel"));
1910
1911                 if (ret == 1) {
1912                         owner->message(_("Canceled."));
1913                         return;
1914                 }
1915         }
1916
1917         Importer::Import(owner, filename, format);
1918 }
1919
1920
1921 void LyXFunc::closeBuffer()
1922 {
1923         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1924                 if (bufferlist.empty()) {
1925                         // need this otherwise SEGV may occur while trying to
1926                         // set variables that don't exist
1927                         // since there's no current buffer
1928                         owner->getDialogs().hideBufferDependent();
1929                 } else {
1930                         view()->buffer(bufferlist.first());
1931                 }
1932         }
1933 }
1934
1935
1936 // Each "owner" should have it's own message method. lyxview and
1937 // the minibuffer would use the minibuffer, but lyxserver would
1938 // send an ERROR signal to its client.  Alejandro 970603
1939 // This func is bit problematic when it comes to NLS, to make the
1940 // lyx servers client be language indepenent we must not translate
1941 // strings sent to this func.
1942 void LyXFunc::setErrorMessage(string const & m) const
1943 {
1944         dispatch_buffer = m;
1945         errorstat = true;
1946 }
1947
1948
1949 void LyXFunc::setMessage(string const & m) const
1950 {
1951         dispatch_buffer = m;
1952 }
1953
1954
1955 void LyXFunc::setStatusMessage(string const & m) const
1956 {
1957         status_buffer = m;
1958 }
1959
1960
1961 string const LyXFunc::view_status_message()
1962 {
1963         // When meta-fake key is pressed, show the key sequence so far + "M-".
1964         if (wasMetaKey()) {
1965                 return keyseq.print() + "M-";
1966         }
1967
1968         // Else, when a non-complete key sequence is pressed,
1969         // show the available options.
1970         if (keyseq.length() > 0 && !keyseq.deleted()) {
1971                 return keyseq.printOptions();
1972         }
1973
1974         if (!view()->available())
1975                 return _("Welcome to LyX!");
1976
1977         return currentState(view());
1978 }
1979
1980
1981 BufferView * LyXFunc::view() const
1982 {
1983         lyx::Assert(owner);
1984         return owner->view().get();
1985 }