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 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "lyxfunc.h"
  18 #include "version.h"
  19 #include "kbmap.h"
  20 #include "lyxrow.h"
  21 #include "bufferlist.h"
  22 #include "BufferView.h"
  23 #include "lyxserver.h"
  24 #include "intl.h"
  25 #include "lyx_main.h"
  26 #include "lyx_cb.h"
  27 #include "LyXAction.h"
  28 #include "debug.h"
  29 #include "lyxrc.h"
  30 #include "lyxtext.h"
  31 #include "gettext.h"
  32 #include "Lsstream.h"
  33 #include "trans_mgr.h"
  34 #include "layout.h"
  35 #include "bufferview_funcs.h"
  36 #include "frontends/LyXView.h"
  37 #include "frontends/lyx_gui.h"
  38 #include "vspace.h"
  39 #include "FloatList.h"
  40 #include "converter.h"
  41 #include "exporter.h"
  42 #include "importer.h"
  43 #include "TextCache.h"
  44 #include "lyxfind.h"
  45 #include "undo_funcs.h"
  46 #include "ParagraphParameters.h"
  47
  48 #include "insets/insetcommand.h"
  49 #include "insets/insettabular.h"
  50
  51 #include "mathed/formulamacro.h"
  52 #include "mathed/math_cursor.h"
  53 #include "mathed/math_inset.h"
  54
  55 #include "frontends/FileDialog.h"
  56 #include "frontends/Dialogs.h"
  57 #include "frontends/Toolbar.h"
  58 #include "frontends/Menubar.h"
  59 #include "frontends/Alert.h"
  60
  61 #include "graphics/GraphicsCache.h"
  62
  63 #include "support/lyxalgo.h"
  64 #include "support/LAssert.h"
  65 #include "support/filetools.h"
  66 #include "support/FileInfo.h"
  67 #include "support/forkedcontr.h"
  68 #include "support/lstrings.h"
  69 #include "support/path.h"
  70 #include "support/lyxfunctional.h"
  71
  72 #include <ctime>
  73 #include <clocale>
  74 #include <cstdlib>
  75 #include <cctype>
  76
  77 #include <utility>
  78 #include <algorithm>
  79
  80 using std::pair;
  81 using std::make_pair;
  82 using std::endl;
  83 using std::find_if;
  84 using std::vector;
  85 using std::transform;
  86 using std::back_inserter;
  87
  88 extern BufferList bufferlist;
  89 extern LyXServer * lyxserver;
  90 extern bool selection_possible;
  91
  92 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
  93
  94 // (alkis)
  95 extern tex_accent_struct get_accent(kb_action action);
  96
  97 extern void ShowLatexLog();
  98
  99
 100 LyXFunc::LyXFunc(LyXView * o)
 101         : owner(o),
 102         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 103         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get())
 104 {
 105         meta_fake_bit = key_modifier::none;
 106         lyx_dead_action = LFUN_NOACTION;
 107         lyx_calling_dead_action = LFUN_NOACTION;
 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(view());
 125                 if (TEXT(flag)->bv_owner)
 126                     view()->toggleToggle();
 127         }
 128         view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 129         view()->showCursor();
 130
 131         view()->switchKeyMap();
 132 }
 133
 134
 135 void LyXFunc::handleKeyFunc(kb_action action)
 136 {
 137         char c = keyseq.getLastKeyEncoded();
 138
 139         if (keyseq.length() > 1) {
 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),
 150                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 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                 return;
 175         }
 176
 177         // Do a one-deep top-level lookup for
 178         // cancel and meta-fake keys. RVDK_PATCH_5
 179         cancel_meta_seq.reset();
 180
 181         int action = cancel_meta_seq.addkey(keysym, state);
 182         lyxerr[Debug::KEY] << "action first set to [" << action << "]" << endl;
 183
 184         // When not cancel or meta-fake, do the normal lookup.
 185         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 186         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 187         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 188                 // remove Caps Lock and Mod2 as a modifiers
 189                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 190                 lyxerr[Debug::KEY] << "action now set to ["
 191                         << action << "]" << endl;
 192         }
 193
 194         // Dont remove this unless you know what you are doing.
 195         meta_fake_bit = key_modifier::none;
 196
 197         // can this happen now ?
 198         if (action == LFUN_NOACTION) {
 199                 action = LFUN_PREFIX;
 200         }
 201
 202         if (lyxerr.debugging(Debug::KEY)) {
 203                 lyxerr << "Key [action="
 204                        << action << "]["
 205                        << keyseq.print() << "]"
 206                        << endl;
 207         }
 208
 209         // already here we know if it any point in going further
 210         // why not return already here if action == -1 and
 211         // num_bytes == 0? (Lgb)
 212
 213         if (keyseq.length() > 1) {
 214                 owner->message(keyseq.print());
 215         }
 216
 217         if (action == LFUN_UNKNOWN_ACTION) {
 218                 // It is unknown, but what if we remove all
 219                 // the modifiers? (Lgb)
 220                 action = keyseq.addkey(keysym, key_modifier::none);
 221
 222                 lyxerr[Debug::KEY] << "Removing modifiers...\n"
 223                         << "Action now set to ["
 224                         << action << "]" << endl;
 225
 226                 if (action == LFUN_UNKNOWN_ACTION) {
 227                         owner->message(_("Unknown function."));
 228                         return;
 229                 }
 230         }
 231
 232         if (action == LFUN_SELFINSERT) {
 233                 char c = keysym->getISOEncoded();
 234                 string argument;
 235
 236                 if (c != 0)
 237                         argument = c;
 238
 239                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, argument));
 240                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 241                                    << argument << "']" << endl;
 242         } else {
 243                 dispatch(action);
 244         }
 245 }
 246
 247
 248 FuncStatus LyXFunc::getStatus(int ac) const
 249 {
 250         return getStatus(lyxaction.retrieveActionArg(ac));
 251 }
 252
 253
 254 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 255 {
 256         FuncStatus flag;
 257         Buffer * buf = owner->buffer();
 258
 259         if (ev.action == LFUN_NOACTION) {
 260                 setStatusMessage(N_("Nothing to do"));
 261                 return flag.disabled(true);
 262         }
 263
 264         if (ev.action == LFUN_UNKNOWN_ACTION) {
 265                 setStatusMessage(N_("Unknown action"));
 266                 return flag.unknown(true);
 267         }
 268
 269         // the default error message if we disable the command
 270         setStatusMessage(N_("Command disabled"));
 271
 272         // Check whether we need a buffer
 273         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 274                 // Yes we need a buffer, do we have one?
 275                 if (buf) {
 276                         // yes
 277                         // Can we use a readonly buffer?
 278                         if (buf->isReadonly() &&
 279                             !lyxaction.funcHasFlag(ev.action,
 280                                                    LyXAction::ReadOnly)) {
 281                                 // no
 282                                 setStatusMessage(N_("Document is read-only"));
 283                                 flag.disabled(true);
 284                         }
 285                 } else {
 286                         // no
 287                         setStatusMessage(N_("Command not allowed with"
 288                                            "out any document open"));
 289                         return flag.disabled(true);
 290                 }
 291         }
 292
 293         UpdatableInset * tli = view()->theLockingInset();
 294
 295         // I would really like to avoid having this switch and rather try to
 296         // encode this in the function itself.
 297         bool disable = false;
 298         switch (ev.action) {
 299         case LFUN_MENUPRINT:
 300                 disable = !Exporter::IsExportable(buf, "dvi")
 301                         || lyxrc.print_command == "none";
 302                 break;
 303         case LFUN_EXPORT:
 304                 disable = ev.argument == "fax" &&
 305                         !Exporter::IsExportable(buf, ev.argument);
 306                 break;
 307         case LFUN_UNDO:
 308                 disable = buf->undostack.empty();
 309                 break;
 310         case LFUN_REDO:
 311                 disable = buf->redostack.empty();
 312                 break;
 313         case LFUN_CUT:
 314         case LFUN_COPY:
 315                 if (tli && tli->lyxCode() == Inset::TABULAR_CODE) {
 316                         InsetTabular * t(static_cast<InsetTabular*>(tli));
 317                         if (t->hasSelection()) {
 318                                 disable = false;
 319                                 break;
 320                         }
 321                 }
 322                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 323                 break;
 324 #ifndef HAVE_LIBAIKSAURUS
 325         case LFUN_THESAURUS_ENTRY:
 326                 disable = true;
 327                 break;
 328 #endif
 329         case LFUN_RUNCHKTEX:
 330                 disable = lyxrc.chktex_command == "none";
 331                 break;
 332         case LFUN_BUILDPROG:
 333                 disable = !Exporter::IsExportable(buf, "program");
 334                 break;
 335
 336         case LFUN_LAYOUT_CHARACTER:
 337                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 338                 break;
 339
 340         case LFUN_LAYOUT_TABULAR:
 341                 disable = !tli
 342                         || (tli->lyxCode() != Inset::TABULAR_CODE
 343                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 344                 break;
 345
 346         case LFUN_LAYOUT:
 347         case LFUN_LAYOUT_PARAGRAPH: {
 348                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 349                 disable = inset && inset->forceDefaultParagraphs(inset);
 350                 break;
 351         }
 352
 353         case LFUN_INSET_OPTARG:
 354                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
 355                 break;
 356
 357         case LFUN_TABULAR_FEATURE:
 358                 if (mathcursor) {
 359 #if 0
 360                         // FIXME: check temporarily disabled
 361                         // valign code
 362                         char align = mathcursor->valign();
 363                         if (align == '\0') {
 364                                 disable = true;
 365                                 break;
 366                         }
 367                         if (ev.argument.empty()) {
 368                                 flag.clear();
 369                                 break;
 370                         }
 371                         if (!contains("tcb", ev.argument[0])) {
 372                                 disable = true;
 373                                 break;
 374                         }
 375                         flag.setOnOff(ev.argument[0] == align);
 376                 } else
 377                         disable = true;
 378
 379                         char align = mathcursor->halign();
 380                         if (align == '\0') {
 381                                 disable = true;
 382                                 break;
 383                         }
 384                         if (ev.argument.empty()) {
 385                                 flag.clear();
 386                                 break;
 387                         }
 388                         if (!contains("lcr", ev.argument[0])) {
 389                                 disable = true;
 390                                 break;
 391                         }
 392                         flag.setOnOff(ev.argument[0] == align);
 393 #endif
 394
 395                         disable = !mathcursor->halign();
 396                         break;
 397                 }
 398
 399                 if (tli) {
 400                         FuncStatus ret;
 401                         //ret.disabled(true);
 402                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 403                                 ret = static_cast<InsetTabular *>(tli)
 404                                         ->getStatus(ev.argument);
 405                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 406                                 ret = static_cast<InsetTabular *>
 407                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 408                                         ->getStatus(ev.argument);
 409                         }
 410                         flag |= ret;
 411                         disable = false;
 412                 } else {
 413                         static InsetTabular inset(*owner->buffer(), 1, 1);
 414                         FuncStatus ret;
 415
 416                         disable = true;
 417                         ret = inset.getStatus(ev.argument);
 418                         if (ret.onoff(true) || ret.onoff(false))
 419                                 flag.setOnOff(false);
 420                 }
 421                 break;
 422
 423         case LFUN_VC_REGISTER:
 424                 disable = buf->lyxvc.inUse();
 425                 break;
 426         case LFUN_VC_CHECKIN:
 427                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 428                 break;
 429         case LFUN_VC_CHECKOUT:
 430                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 431                 break;
 432         case LFUN_VC_REVERT:
 433         case LFUN_VC_UNDO:
 434         case LFUN_VC_HISTORY:
 435                 disable = !buf->lyxvc.inUse();
 436                 break;
 437         case LFUN_BOOKMARK_GOTO:
 438                 disable =  !view()->
 439                         isSavedPosition(strToUnsignedInt(ev.argument));
 440                 break;
 441         case LFUN_INSET_TOGGLE: {
 442                 LyXText * lt = view()->getLyXText();
 443                 disable = !(isEditableInset(lt->getInset())
 444                             || (lt->inset_owner
 445                                 && lt->inset_owner->owner()
 446                                 && lt->inset_owner->owner()->isOpen()));
 447                 break;
 448         }
 449         case LFUN_LATEX_LOG:
 450                 disable = !IsFileReadable(buf->getLogName().second);
 451                 break;
 452
 453         case LFUN_MATH_MUTATE:
 454                 if (mathcursor)
 455                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 456                         flag.setOnOff(false);
 457                 else
 458                         disable = true;
 459                 break;
 460
 461         // we just need to be in math mode to enable that
 462         case LFUN_MATH_SIZE:
 463         case LFUN_MATH_SPACE:
 464         case LFUN_MATH_LIMITS:
 465         case LFUN_MATH_NONUMBER:
 466         case LFUN_MATH_NUMBER:
 467         case LFUN_MATH_EXTERN:
 468                 disable = !mathcursor;
 469                 break;
 470
 471         default:
 472                 break;
 473         }
 474
 475         // the functions which insert insets
 476         Inset::Code code = Inset::NO_CODE;
 477         switch (ev.action) {
 478         case LFUN_INSET_ERT:
 479                 code = Inset::ERT_CODE;
 480                 break;
 481         case LFUN_INSET_GRAPHICS:
 482                 code = Inset::GRAPHICS_CODE;
 483                 break;
 484         case LFUN_INSET_FOOTNOTE:
 485                 code = Inset::FOOT_CODE;
 486                 break;
 487         case LFUN_TABULAR_INSERT:
 488                 code = Inset::TABULAR_CODE;
 489                 break;
 490         case LFUN_INSET_EXTERNAL:
 491                 code = Inset::EXTERNAL_CODE;
 492                 break;
 493         case LFUN_INSET_MARGINAL:
 494                 code = Inset::MARGIN_CODE;
 495                 break;
 496         case LFUN_INSET_MINIPAGE:
 497                 code = Inset::MINIPAGE_CODE;
 498                 break;
 499         case LFUN_INSET_FLOAT:
 500         case LFUN_INSET_WIDE_FLOAT:
 501                 code = Inset::FLOAT_CODE;
 502                 break;
 503         case LFUN_INSET_WRAP:
 504                 code = Inset::WRAP_CODE;
 505                 break;
 506         case LFUN_FLOAT_LIST:
 507                 code = Inset::FLOAT_LIST_CODE;
 508                 break;
 509 #if 0
 510         case LFUN_INSET_LIST:
 511                 code = Inset::LIST_CODE;
 512                 break;
 513         case LFUN_INSET_THEOREM:
 514                 code = Inset::THEOREM_CODE;
 515                 break;
 516 #endif
 517         case LFUN_INSET_CAPTION:
 518                 code = Inset::CAPTION_CODE;
 519                 break;
 520         case LFUN_INSERT_NOTE:
 521                 code = Inset::NOTE_CODE;
 522                 break;
 523         case LFUN_INSERT_LABEL:
 524                 code = Inset::LABEL_CODE;
 525                 break;
 526         case LFUN_INSET_OPTARG:
 527                 code = Inset::OPTARG_CODE;
 528                 break;
 529         case LFUN_REF_INSERT:
 530                 code = Inset::REF_CODE;
 531                 break;
 532         case LFUN_CITATION_CREATE:
 533         case LFUN_CITATION_INSERT:
 534                 code = Inset::CITE_CODE;
 535                 break;
 536         case LFUN_INSERT_BIBTEX:
 537                 code = Inset::BIBTEX_CODE;
 538                 break;
 539         case LFUN_INDEX_INSERT:
 540                 code = Inset::INDEX_CODE;
 541                 break;
 542         case LFUN_INDEX_PRINT:
 543                 code = Inset::INDEX_PRINT_CODE;
 544                 break;
 545         case LFUN_CHILD_INSERT:
 546                 code = Inset::INCLUDE_CODE;
 547                 break;
 548         case LFUN_TOC_INSERT:
 549                 code = Inset::TOC_CODE;
 550                 break;
 551         case LFUN_PARENTINSERT:
 552                 code = Inset::PARENT_CODE;
 553                 break;
 554         case LFUN_HTMLURL:
 555         case LFUN_URL:
 556         case LFUN_INSERT_URL:
 557                 code = Inset::URL_CODE;
 558                 break;
 559         case LFUN_QUOTE:
 560                 // always allow this, since we will inset a raw quote
 561                 // if an inset is not allowed.
 562                 break;
 563         case LFUN_HYPHENATION:
 564         case LFUN_LIGATURE_BREAK:
 565         case LFUN_HFILL:
 566         case LFUN_MENU_SEPARATOR:
 567         case LFUN_LDOTS:
 568         case LFUN_END_OF_SENTENCE:
 569                 code = Inset::SPECIALCHAR_CODE;
 570                 break;
 571         case LFUN_PROTECTEDSPACE:
 572                 // slight hack: we know this is allowed in math mode
 573                 if (!mathcursor)
 574                         code = Inset::SPECIALCHAR_CODE;
 575                 break;
 576         default:
 577                 break;
 578         }
 579         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 580                 disable = true;
 581
 582         if (disable)
 583                 flag.disabled(true);
 584
 585         // A few general toggles
 586         switch (ev.action) {
 587         case LFUN_TOOLTIPS_TOGGLE:
 588                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 589                 break;
 590
 591         case LFUN_READ_ONLY_TOGGLE:
 592                 flag.setOnOff(buf->isReadonly());
 593                 break;
 594         case LFUN_APPENDIX:
 595                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 596                 break;
 597         case LFUN_SWITCHBUFFER:
 598                 // toggle on the current buffer, but do not toggle off
 599                 // the other ones (is that a good idea?)
 600                 if (ev.argument == buf->fileName())
 601                         flag.setOnOff(true);
 602                 break;
 603         default:
 604                 break;
 605         }
 606
 607         // the font related toggles
 608         if (!mathcursor) {
 609                 LyXFont const & font = TEXT(false)->real_current_font;
 610                 switch (ev.action) {
 611                 case LFUN_EMPH:
 612                         flag.setOnOff(font.emph() == LyXFont::ON);
 613                         break;
 614                 case LFUN_NOUN:
 615                         flag.setOnOff(font.noun() == LyXFont::ON);
 616                         break;
 617                 case LFUN_BOLD:
 618                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 619                         break;
 620                 case LFUN_SANS:
 621                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 622                         break;
 623                 case LFUN_ROMAN:
 624                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 625                         break;
 626                 case LFUN_CODE:
 627                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 628                         break;
 629                 default:
 630                         break;
 631                 }
 632         } else {
 633                 string tc = mathcursor->getLastCode();
 634                 switch (ev.action) {
 635                 case LFUN_BOLD:
 636                         flag.setOnOff(tc == "mathbf");
 637                         break;
 638                 case LFUN_SANS:
 639                         flag.setOnOff(tc == "mathsf");
 640                         break;
 641                 case LFUN_EMPH:
 642                         flag.setOnOff(tc == "mathcal");
 643                         break;
 644                 case LFUN_ROMAN:
 645                         flag.setOnOff(tc == "mathrm");
 646                         break;
 647                 case LFUN_CODE:
 648                         flag.setOnOff(tc == "mathtt");
 649                         break;
 650                 case LFUN_NOUN:
 651                         flag.setOnOff(tc == "mathbb");
 652                         break;
 653                 case LFUN_DEFAULT:
 654                         flag.setOnOff(tc == "mathnormal");
 655                         break;
 656                 default:
 657                         break;
 658                 }
 659         }
 660
 661         // this one is difficult to get right. As a half-baked
 662         // solution, we consider only the first action of the sequence
 663         if (ev.action == LFUN_SEQUENCE) {
 664                 // argument contains ';'-terminated commands
 665                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 666         }
 667
 668         return flag;
 669 }
 670
 671
 672 void LyXFunc::dispatch(string const & s, bool verbose)
 673 {
 674         int const action = lyxaction.LookupFunc(s);
 675
 676         if (action == LFUN_UNKNOWN_ACTION) {
 677                 string const msg = string(_("Unknown function ("))
 678                         + s + ")";
 679                 owner->message(msg);
 680                 return;
 681         }
 682
 683         dispatch(action, verbose);
 684 }
 685
 686
 687 void LyXFunc::dispatch(int ac, bool verbose)
 688 {
 689         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 690 }
 691
 692
 693
 694 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 695 {
 696         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 697                               <<"] arg[" << ev.argument << "]" << endl;
 698
 699         // we have not done anything wrong yet.
 700         errorstat = false;
 701         dispatch_buffer.erase();
 702
 703 #ifdef NEW_DISPATCHER
 704         // We try do call the most specific dispatcher first:
 705         //  1. the lockinginset's dispatch
 706         //  2. the bufferview's dispatch
 707         //  3. the lyxview's dispatch
 708 #endif
 709
 710         selection_possible = false;
 711
 712         if (view()->available())
 713                 view()->hideCursor();
 714
 715         string argument = ev.argument;
 716         kb_action action = ev.action;
 717
 718         // We cannot use this function here
 719         if (getStatus(ev).disabled()) {
 720                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 721                        << lyxaction.getActionName(action)
 722                        << " [" << action << "] is disabled at this location"
 723                        << endl;
 724                 setErrorMessage(getStatusMessage());
 725                 goto exit_with_message;
 726         }
 727
 728         if (view()->available() && view()->theLockingInset()) {
 729                 Inset::RESULT result;
 730                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 731                                      (!keyseq.deleted())))
 732                 {
 733                         UpdatableInset * inset = view()->theLockingInset();
 734 #if 1
 735                         int inset_x;
 736                         int dummy_y;
 737                         inset->getCursorPos(view(), inset_x, dummy_y);
 738 #endif
 739                         if ((action == LFUN_UNKNOWN_ACTION)
 740                             && argument.empty()) {
 741                                 argument = keyseq.getLastKeyEncoded();
 742                         }
 743                         // Undo/Redo is a bit tricky for insets.
 744                         if (action == LFUN_UNDO) {
 745                                 view()->menuUndo();
 746                                 goto exit_with_message;
 747                         } else if (action == LFUN_REDO) {
 748                                 view()->menuRedo();
 749                                 goto exit_with_message;
 750                         } else if (((result=inset->
 751                                      // Hand-over to inset's own dispatch:
 752                                      localDispatch(FuncRequest(view(), action, argument))) ==
 753                                     UpdatableInset::DISPATCHED) ||
 754                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 755                                 goto exit_with_message;
 756                                         // If UNDISPATCHED, just soldier on
 757                         else if (result == UpdatableInset::FINISHED) {
 758                                 goto exit_with_message;
 759                                 // We do not need special RTL handling here:
 760                                 // FINISHED means that the cursor should be
 761                                 // one position after the inset.
 762                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 763                                 TEXT()->cursorRight(view());
 764                                 moveCursorUpdate(true, false);
 765                                 owner->view_state_changed();
 766                                 goto exit_with_message;
 767                         } else if (result == UpdatableInset::FINISHED_UP) {
 768                                 if (TEXT()->cursor.irow()->previous()) {
 769 #if 1
 770                                         TEXT()->setCursorFromCoordinates(
 771                                                 view(), TEXT()->cursor.ix() + inset_x,
 772                                                 TEXT()->cursor.iy() -
 773                                                 TEXT()->cursor.irow()->baseline() - 1);
 774                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 775 #else
 776                                         TEXT()->cursorUp(view());
 777 #endif
 778                                         moveCursorUpdate(true, false);
 779                                         owner->view_state_changed();
 780                                 } else {
 781                                         view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 782                                 }
 783                                 goto exit_with_message;
 784                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 785                                 if (TEXT()->cursor.irow()->next()) {
 786 #if 1
 787                                         TEXT()->setCursorFromCoordinates(
 788                                                 view(), TEXT()->cursor.ix() + inset_x,
 789                                                 TEXT()->cursor.iy() -
 790                                                 TEXT()->cursor.irow()->baseline() +
 791                                                 TEXT()->cursor.irow()->height() + 1);
 792                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 793 #else
 794                                         TEXT()->cursorDown(view());
 795 #endif
 796                                 } else {
 797                                         TEXT()->cursorRight(view());
 798                                 }
 799                                 moveCursorUpdate(true, false);
 800                                 owner->view_state_changed();
 801                                 goto exit_with_message;
 802                         }
 803 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 804                         else { // result == UNDISPATCHED
 805                                 //setMessage(N_("Text mode"));
 806                                 switch (action) {
 807                                 case LFUN_UNKNOWN_ACTION:
 808                                 case LFUN_BREAKPARAGRAPH:
 809                                 case LFUN_BREAKLINE:
 810                                         TEXT()->cursorRight(view());
 811                                         view()->switchKeyMap();
 812                                         owner->view_state_changed();
 813                                         break;
 814                                 case LFUN_RIGHT:
 815                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 816                                                 TEXT()->cursorRight(view());
 817                                                 moveCursorUpdate(true, false);
 818                                                 owner->view_state_changed();
 819                                         }
 820                                         goto exit_with_message;
 821                                 case LFUN_LEFT:
 822                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 823                                                 TEXT()->cursorRight(view());
 824                                                 moveCursorUpdate(true, false);
 825                                                 owner->view_state_changed();
 826                                         }
 827                                         goto exit_with_message;
 828                                 case LFUN_DOWN:
 829                                         if (TEXT()->cursor.row()->next())
 830                                                 TEXT()->cursorDown(view());
 831                                         else
 832                                                 TEXT()->cursorRight(view());
 833                                         moveCursorUpdate(true, false);
 834                                         owner->view_state_changed();
 835                                         goto exit_with_message;
 836                                 default:
 837                                         break;
 838                                 }
 839                         }
 840                 }
 841         }
 842
 843         switch (action) {
 844
 845         case LFUN_ESCAPE:
 846         {
 847                 if (!view()->available()) break;
 848                 // this function should be used always [asierra060396]
 849                 UpdatableInset * tli =
 850                         view()->theLockingInset();
 851                 if (tli) {
 852                         UpdatableInset * lock = tli->getLockingInset();
 853
 854                         if (tli == lock) {
 855                                 view()->unlockInset(tli);
 856                                 TEXT()->cursorRight(view());
 857                                 moveCursorUpdate(true, false);
 858                                 owner->view_state_changed();
 859                         } else {
 860                                 tli->unlockInsetInInset(view(),
 861                                                         lock,
 862                                                         true);
 863                         }
 864                         finishUndo();
 865                         // Tell the paragraph dialog that we changed paragraph
 866                         owner->getDialogs().updateParagraph();
 867                 }
 868         }
 869         break;
 870
 871                 // --- Misc -------------------------------------------
 872         case LFUN_WORDFINDFORWARD  :
 873         case LFUN_WORDFINDBACKWARD : {
 874                 static string last_search;
 875                 string searched_string;
 876
 877                 if (!argument.empty()) {
 878                         last_search = argument;
 879                         searched_string = argument;
 880                 } else {
 881                         searched_string = last_search;
 882                 }
 883                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 884                 if (!searched_string.empty()) {
 885                         lyxfind::LyXFind(view(), searched_string, fw);
 886                 }
 887 //              view()->showCursor();
 888         }
 889         break;
 890
 891         case LFUN_PREFIX:
 892         {
 893                 if (view()->available() && !view()->theLockingInset()) {
 894                         view()->update(TEXT(),
 895                                               BufferView::SELECT|BufferView::FITCUR);
 896                 }
 897                 owner->message(keyseq.printOptions());
 898         }
 899         break;
 900
 901         // --- Misc -------------------------------------------
 902         case LFUN_EXEC_COMMAND:
 903                 owner->focus_command_buffer();
 904                 break;
 905
 906         case LFUN_CANCEL:                   // RVDK_PATCH_5
 907                 keyseq.reset();
 908                 meta_fake_bit = key_modifier::none;
 909                 if (view()->available())
 910                         // cancel any selection
 911                         dispatch(LFUN_MARK_OFF);
 912                 setMessage(N_("Cancel"));
 913                 break;
 914
 915         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 916         {
 917                 meta_fake_bit = key_modifier::alt;
 918                 setMessage(keyseq.print());
 919         }
 920         break;
 921
 922         case LFUN_READ_ONLY_TOGGLE:
 923                 if (owner->buffer()->lyxvc.inUse()) {
 924                         owner->buffer()->lyxvc.toggleReadOnly();
 925                 } else {
 926                         owner->buffer()->setReadonly(
 927                                 !owner->buffer()->isReadonly());
 928                 }
 929                 break;
 930
 931         case LFUN_CENTER: // this is center and redraw.
 932                 view()->center();
 933                 break;
 934
 935                 // --- Menus -----------------------------------------------
 936         case LFUN_MENUNEW:
 937                 menuNew(argument, false);
 938                 break;
 939
 940         case LFUN_MENUNEWTMPLT:
 941                 menuNew(argument, true);
 942                 break;
 943
 944         case LFUN_CLOSEBUFFER:
 945                 closeBuffer();
 946                 break;
 947
 948         case LFUN_MENUWRITE:
 949                 if (!owner->buffer()->isUnnamed()) {
 950                         ostringstream s1;
 951                         s1 << _("Saving document") << ' '
 952                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
 953                         owner->message(s1.str().c_str());
 954                         MenuWrite(view(), owner->buffer());
 955                         s1 << _(" done.");
 956                         owner->message(s1.str().c_str());
 957                 } else
 958                         WriteAs(view(), owner->buffer());
 959                 break;
 960
 961         case LFUN_WRITEAS:
 962                 WriteAs(view(), owner->buffer(), argument);
 963                 break;
 964
 965         case LFUN_MENURELOAD:
 966                 reloadBuffer();
 967                 break;
 968
 969         case LFUN_UPDATE:
 970                 Exporter::Export(owner->buffer(), argument, true);
 971                 break;
 972
 973         case LFUN_PREVIEW:
 974                 Exporter::Preview(owner->buffer(), argument);
 975                 break;
 976
 977         case LFUN_BUILDPROG:
 978                 Exporter::Export(owner->buffer(), "program", true);
 979                 break;
 980
 981         case LFUN_RUNCHKTEX:
 982                 MenuRunChktex(owner->buffer());
 983                 break;
 984
 985         case LFUN_MENUPRINT:
 986                 owner->getDialogs().showPrint();
 987                 break;
 988
 989         case LFUN_EXPORT:
 990                 if (argument == "custom")
 991                         owner->getDialogs().showSendto();
 992                 else
 993                         Exporter::Export(owner->buffer(), argument, false);
 994                 break;
 995
 996         case LFUN_IMPORT:
 997                 doImport(argument);
 998                 break;
 999
1000         case LFUN_QUIT:
1001                 QuitLyX();
1002                 break;
1003
1004         case LFUN_TOCVIEW:
1005 #if 0
1006         case LFUN_LOFVIEW:
1007         case LFUN_LOTVIEW:
1008         case LFUN_LOAVIEW:
1009 #endif
1010         {
1011                 InsetCommandParams p;
1012
1013 #if 0
1014                 if (action == LFUN_TOCVIEW)
1015 #endif
1016                         p.setCmdName("tableofcontents");
1017 #if 0
1018                 else if (action == LFUN_LOAVIEW)
1019                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1020                 else if (action == LFUN_LOFVIEW)
1021                         p.setCmdName("listoffigures");
1022                 else
1023                         p.setCmdName("listoftables");
1024 #endif
1025                 owner->getDialogs().createTOC(p.getAsString());
1026                 break;
1027         }
1028
1029         case LFUN_AUTOSAVE:
1030                 AutoSave(view());
1031                 break;
1032
1033         case LFUN_UNDO:
1034                 view()->menuUndo();
1035                 break;
1036
1037         case LFUN_REDO:
1038                 view()->menuRedo();
1039                 break;
1040
1041         case LFUN_MENUSEARCH:
1042                 owner->getDialogs().showSearch();
1043                 break;
1044
1045         case LFUN_REMOVEERRORS:
1046                 if (view()->removeAutoInsets()) {
1047 #warning repaint() or update() or nothing ?
1048                         view()->repaint();
1049                         view()->fitCursor();
1050                 }
1051                 break;
1052
1053         case LFUN_DEPTH_MIN:
1054                 changeDepth(view(), TEXT(false), -1);
1055                 break;
1056
1057         case LFUN_DEPTH_PLUS:
1058                 changeDepth(view(), TEXT(false), 1);
1059                 break;
1060
1061         case LFUN_FREE:
1062                 owner->getDialogs().setUserFreeFont();
1063                 break;
1064
1065         case LFUN_RECONFIGURE:
1066                 Reconfigure(view());
1067                 break;
1068
1069 #if 0
1070         case LFUN_FLOATSOPERATE:
1071                 if (argument == "openfoot")
1072                         view()->allFloats(1,0);
1073                 else if (argument == "closefoot")
1074                         view()->allFloats(0,0);
1075                 else if (argument == "openfig")
1076                         view()->allFloats(1,1);
1077                 else if (argument == "closefig")
1078                         view()->allFloats(0,1);
1079                 break;
1080 #else
1081 #ifdef WITH_WARNINGS
1082 //#warning Find another implementation here (or another lyxfunc)!
1083 #endif
1084 #endif
1085         case LFUN_HELP_ABOUTLYX:
1086                 owner->getDialogs().showAboutlyx();
1087                 break;
1088
1089         case LFUN_HELP_TEXINFO:
1090                 owner->getDialogs().showTexinfo();
1091                 break;
1092
1093         case LFUN_HELP_OPEN:
1094         {
1095                 string const arg = argument;
1096                 if (arg.empty()) {
1097                         setErrorMessage(N_("Missing argument"));
1098                         break;
1099                 }
1100                 owner->prohibitInput();
1101                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1102                 if (fname.empty()) {
1103                         lyxerr << "LyX: unable to find documentation file `"
1104                                << arg << "'. Bad installation?" << endl;
1105                         owner->allowInput();
1106                         break;
1107                 }
1108                 ostringstream str;
1109                 str << _("Opening help file") << ' '
1110                     << MakeDisplayPath(fname) << "...";
1111                 owner->message(str.str().c_str());
1112                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1113                 owner->allowInput();
1114                 break;
1115         }
1116
1117                 // --- version control -------------------------------
1118         case LFUN_VC_REGISTER:
1119         {
1120                 if (!owner->buffer()->lyxvc.inUse())
1121                         owner->buffer()->lyxvc.registrer();
1122         }
1123         break;
1124
1125         case LFUN_VC_CHECKIN:
1126         {
1127                 if (owner->buffer()->lyxvc.inUse()
1128                     && !owner->buffer()->isReadonly())
1129                         owner->buffer()->lyxvc.checkIn();
1130         }
1131         break;
1132
1133         case LFUN_VC_CHECKOUT:
1134         {
1135                 if (owner->buffer()->lyxvc.inUse()
1136                     && owner->buffer()->isReadonly())
1137                         owner->buffer()->lyxvc.checkOut();
1138         }
1139         break;
1140
1141         case LFUN_VC_REVERT:
1142         {
1143                 owner->buffer()->lyxvc.revert();
1144         }
1145         break;
1146
1147         case LFUN_VC_UNDO:
1148         {
1149                 owner->buffer()->lyxvc.undoLast();
1150         }
1151         break;
1152
1153         case LFUN_VC_HISTORY:
1154         {
1155                 owner->getDialogs().showVCLogFile();
1156                 break;
1157         }
1158
1159         // --- buffers ----------------------------------------
1160
1161         case LFUN_SWITCHBUFFER:
1162                 view()->buffer(bufferlist.getBuffer(argument));
1163                 break;
1164
1165         case LFUN_FILE_NEW:
1166         {
1167                 // servercmd: argument must be <file>:<template>
1168                 Buffer * tmpbuf = NewFile(argument);
1169                 if (tmpbuf)
1170                         view()->buffer(tmpbuf);
1171         }
1172         break;
1173
1174         case LFUN_FILE_OPEN:
1175                 open(argument);
1176                 break;
1177
1178         case LFUN_LATEX_LOG:
1179                 owner->getDialogs().showLogFile();
1180                 break;
1181
1182         case LFUN_LAYOUT_DOCUMENT:
1183                 owner->getDialogs().showDocument();
1184                 break;
1185
1186         case LFUN_LAYOUT_PARAGRAPH:
1187                 owner->getDialogs().showParagraph();
1188                 break;
1189
1190         case LFUN_LAYOUT_CHARACTER:
1191                 owner->getDialogs().showCharacter();
1192                 break;
1193
1194         case LFUN_LAYOUT_TABULAR:
1195             if (view()->theLockingInset()) {
1196                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1197                     InsetTabular * inset = static_cast<InsetTabular *>
1198                         (view()->theLockingInset());
1199                     inset->openLayoutDialog(view());
1200                 } else if (view()->theLockingInset()->
1201                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1202                     InsetTabular * inset = static_cast<InsetTabular *>(
1203                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1204                     inset->openLayoutDialog(view());
1205                 }
1206             }
1207             break;
1208
1209         case LFUN_LAYOUT_PREAMBLE:
1210                 owner->getDialogs().showPreamble();
1211                 break;
1212
1213         case LFUN_DROP_LAYOUTS_CHOICE:
1214                 owner->getToolbar().openLayoutList();
1215                 break;
1216
1217         case LFUN_MENU_OPEN_BY_NAME:
1218                 owner->getMenubar().openByName(argument);
1219                 break; // RVDK_PATCH_5
1220
1221         case LFUN_SPELLCHECK:
1222                 owner->getDialogs().showSpellchecker();
1223                 break;
1224
1225         // --- lyxserver commands ----------------------------
1226
1227
1228         case LFUN_GETNAME:
1229                 setMessage(owner->buffer()->fileName());
1230                 lyxerr[Debug::INFO] << "FNAME["
1231                                << owner->buffer()->fileName()
1232                                << "] " << endl;
1233                 break;
1234
1235         case LFUN_NOTIFY:
1236         {
1237                 dispatch_buffer = keyseq.print();
1238                 lyxserver->notifyClient(dispatch_buffer);
1239         }
1240         break;
1241
1242         case LFUN_GOTOFILEROW:
1243         {
1244                 string file_name;
1245                 int row;
1246                 istringstream istr(argument.c_str());
1247                 istr >> file_name >> row;
1248                 // Must replace extension of the file to be .lyx and get full path
1249                 string const s(ChangeExtension(file_name, ".lyx"));
1250
1251                 // Either change buffer or load the file
1252                 if (bufferlist.exists(s)) {
1253                         view()->buffer(bufferlist.getBuffer(s));
1254                 } else {
1255                         view()->buffer(bufferlist.loadLyXFile(s));
1256                 }
1257
1258                 view()->setCursorFromRow(row);
1259
1260                 view()->center();
1261                 // see BufferView_pimpl::center()
1262                 view()->updateScrollbar();
1263         }
1264         break;
1265
1266         case LFUN_GOTO_PARAGRAPH:
1267         {
1268                 istringstream istr(argument.c_str());
1269
1270                 int id;
1271                 istr >> id;
1272                 Paragraph * par = owner->buffer()->getParFromID(id);
1273                 if (par == 0) {
1274                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1275                                             << id << "]" << endl;
1276                         break;
1277                 } else {
1278                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1279                                             << " found." << endl;
1280                 }
1281
1282                 if (view()->theLockingInset())
1283                         view()->unlockInset(view()->theLockingInset());
1284                 if (par->inInset()) {
1285                         par->inInset()->edit(view());
1286                 }
1287                 // Set the cursor
1288                 view()->getLyXText()->setCursor(view(), par, 0);
1289                 view()->switchKeyMap();
1290                 owner->view_state_changed();
1291
1292                 view()->center();
1293                 // see BufferView_pimpl::center()
1294                 view()->updateScrollbar();
1295         }
1296         break;
1297
1298         case LFUN_APROPOS:
1299         case LFUN_GETTIP:
1300         {
1301                 int const qa = lyxaction.LookupFunc(argument);
1302                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1303         }
1304         break;
1305
1306         // --- insert characters ----------------------------------------
1307
1308         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1309         case LFUN_MATH_EXTERN:
1310         case LFUN_MATH_NUMBER:
1311         case LFUN_MATH_NONUMBER:
1312         case LFUN_MATH_LIMITS:
1313         {
1314                 setErrorMessage(N_("This is only allowed in math mode!"));
1315         }
1316         break;
1317
1318         // passthrough hat and underscore outside mathed:
1319         case LFUN_SUBSCRIPT:
1320                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1321                 break;
1322         case LFUN_SUPERSCRIPT:
1323                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1324                 break;
1325
1326         case LFUN_MATH_PANEL:
1327                 owner->getDialogs().showMathPanel();
1328                 break;
1329
1330         case LFUN_CITATION_CREATE:
1331         {
1332                 InsetCommandParams p("cite");
1333
1334                 if (!argument.empty()) {
1335                         // This should be set at source, ie when typing
1336                         // "citation-insert foo" in the minibuffer.
1337                         // Question: would pybibliographer also need to be
1338                         // changed. Suspect so. Leave as-is therefore.
1339                         if (contains(argument, "|")) {
1340                                 p.setContents(token(argument, '|', 0));
1341                                 p.setOptions(token(argument, '|', 1));
1342                         } else {
1343                                 p.setContents(argument);
1344                         }
1345                         dispatch(FuncRequest(view(), LFUN_CITATION_INSERT, p.getAsString()));
1346                 } else
1347                         owner->getDialogs().createCitation(p.getAsString());
1348         }
1349         break;
1350
1351         case LFUN_CHILDOPEN:
1352         {
1353                 string const filename =
1354                         MakeAbsPath(argument,
1355                                     owner->buffer()->filePath());
1356                 setMessage(N_("Opening child document ") +
1357                            MakeDisplayPath(filename) + "...");
1358                 view()->savePosition(0);
1359                 if (bufferlist.exists(filename))
1360                         view()->buffer(bufferlist.getBuffer(filename));
1361                 else
1362                         view()->buffer(bufferlist.loadLyXFile(filename));
1363         }
1364         break;
1365
1366         case LFUN_TOGGLECURSORFOLLOW:
1367                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1368                 break;
1369
1370         case LFUN_KMAP_OFF:
1371                 owner->getIntl().KeyMapOn(false);
1372                 break;
1373
1374         case LFUN_KMAP_PRIM:
1375                 owner->getIntl().KeyMapPrim();
1376                 break;
1377
1378         case LFUN_KMAP_SEC:
1379                 owner->getIntl().KeyMapSec();
1380                 break;
1381
1382         case LFUN_KMAP_TOGGLE:
1383                 owner->getIntl().ToggleKeyMap();
1384                 break;
1385
1386         case LFUN_SEQUENCE:
1387         {
1388                 // argument contains ';'-terminated commands
1389                 while (!argument.empty()) {
1390                         string first;
1391                         argument = split(argument, first, ';');
1392                         dispatch(first);
1393                 }
1394         }
1395         break;
1396
1397         case LFUN_DIALOG_PREFERENCES:
1398                 owner->getDialogs().showPreferences();
1399                 break;
1400
1401         case LFUN_SAVEPREFERENCES:
1402         {
1403                 Path p(user_lyxdir);
1404                 lyxrc.write("preferences");
1405         }
1406         break;
1407
1408         case LFUN_SCREEN_FONT_UPDATE:
1409         {
1410                 // handle the screen font changes.
1411                 lyxrc.set_font_norm_type();
1412                 lyx_gui::update_fonts();
1413                 // We also need to empty the textcache so that
1414                 // the buffer will be formatted correctly after
1415                 // a zoom change.
1416                 textcache.clear();
1417                 // Of course we should only do the resize and the textcache.clear
1418                 // if values really changed...but not very important right now. (Lgb)
1419                 // All visible buffers will need resize
1420                 view()->resize();
1421                 view()->repaint();
1422         }
1423         break;
1424
1425         case LFUN_SET_COLOR:
1426         {
1427                 string lyx_name;
1428                 string const x11_name = split(argument, lyx_name, ' ');
1429                 if (lyx_name.empty() || x11_name.empty()) {
1430                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1431                                                 " <x11_name>"));
1432                         break;
1433                         }
1434
1435                 bool const graphicsbg_changed =
1436                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1437                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1438
1439                 if (!lcolor.setColor(lyx_name, x11_name)) {
1440                         static string const err1 (N_("Set-color \""));
1441                         static string const err2 (
1442                                 N_("\" failed - color is undefined "
1443                                    "or may not be redefined"));
1444                         setErrorMessage(_(err1) + lyx_name + _(err2));
1445                         break;
1446                 }
1447
1448                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1449
1450                 if (graphicsbg_changed) {
1451 #ifdef WITH_WARNINGS
1452 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1453 #endif
1454 #if 0
1455                         grfx::GCache & gc = grfx::GCache::get();
1456                         gc.changeDisplay(true);
1457 #endif
1458                 }
1459
1460                 view()->repaint();
1461                 break;
1462         }
1463
1464         case LFUN_MESSAGE:
1465                 owner->message(argument);
1466                 break;
1467
1468         case LFUN_FORKS_SHOW:
1469                 owner->getDialogs().showForks();
1470                 break;
1471
1472         case LFUN_FORKS_KILL:
1473         {
1474                 if (!isStrInt(argument))
1475                         break;
1476
1477                 pid_t const pid = strToInt(argument);
1478                 ForkedcallsController & fcc = ForkedcallsController::get();
1479                 fcc.kill(pid);
1480                 break;
1481         }
1482
1483         case LFUN_TOOLTIPS_TOGGLE:
1484                 owner->getDialogs().toggleTooltips();
1485                 break;
1486
1487         default:
1488                 // Then if it was none of the above
1489                 // Trying the BufferView::pimpl dispatch:
1490                 if (!view()->dispatch(ev))
1491                         lyxerr << "A truly unknown func ["
1492                                << lyxaction.getActionName(ev.action) << "]!"
1493                                << endl;
1494                 break;
1495         } // end of switch
1496
1497 exit_with_message:
1498         sendDispatchMessage(getMessage(), ev, verbose);
1499 }
1500
1501
1502 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1503 {
1504         owner->updateMenubar();
1505         owner->updateToolbar();
1506
1507         if (ev.action == LFUN_SELFINSERT || !verbose) {
1508                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1509                 if (!msg.empty())
1510                         owner->message(msg);
1511                 return;
1512         }
1513
1514         string dispatch_msg = msg;
1515         if (!dispatch_msg.empty())
1516                 dispatch_msg += " ";
1517
1518         string comname = lyxaction.getActionName(ev.action);
1519
1520         int pseudoaction = ev.action;
1521         bool argsadded = false;
1522
1523         if (!ev.argument.empty()) {
1524                 // the pseudoaction is useful for the bindings
1525                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1526
1527                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1528                         pseudoaction = ev.action;
1529                 } else {
1530                         comname += " " + ev.argument;
1531                         argsadded = true;
1532                 }
1533         }
1534
1535         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1536
1537         if (!shortcuts.empty()) {
1538                 comname += ": " + shortcuts;
1539         } else if (!argsadded && !ev.argument.empty()) {
1540                 comname += " " + ev.argument;
1541         }
1542
1543         if (!comname.empty()) {
1544                 comname = rtrim(comname);
1545                 dispatch_msg += "(" + comname + ')';
1546         }
1547
1548         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1549         if (!dispatch_msg.empty())
1550                 owner->message(dispatch_msg);
1551 }
1552
1553
1554 void LyXFunc::setupLocalKeymap()
1555 {
1556         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1557         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1558 }
1559
1560
1561 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1562 {
1563         string initpath = lyxrc.document_path;
1564         string filename(name);
1565
1566         if (view()->available()) {
1567                 string const trypath = owner->buffer()->filePath();
1568                 // If directory is writeable, use this as default.
1569                 if (IsDirWriteable(trypath))
1570                         initpath = trypath;
1571         }
1572
1573         static int newfile_number;
1574
1575         if (filename.empty()) {
1576                 filename = AddName(lyxrc.document_path,
1577                             "newfile" + tostr(++newfile_number) + ".lyx");
1578                 FileInfo fi(filename);
1579                 while (bufferlist.exists(filename) || fi.readable()) {
1580                         ++newfile_number;
1581                         filename = AddName(lyxrc.document_path,
1582                                     "newfile" + tostr(newfile_number) +
1583                                     ".lyx");
1584                         fi.newFile(filename);
1585                 }
1586         }
1587
1588         // The template stuff
1589         string templname;
1590         if (fromTemplate) {
1591                 FileDialog fileDlg(owner, _("Select template file"),
1592                         LFUN_SELECT_FILE_SYNC,
1593                         make_pair(string(_("Documents|#o#O")),
1594                                   string(lyxrc.document_path)),
1595                         make_pair(string(_("Templates|#T#t")),
1596                                   string(lyxrc.template_path)));
1597
1598                 FileDialog::Result result =
1599                         fileDlg.Select(lyxrc.template_path,
1600                                        _("*.lyx|LyX Documents (*.lyx)"));
1601
1602                 if (result.first == FileDialog::Later)
1603                         return;
1604
1605                 string const fname = result.second;
1606
1607                 if (fname.empty())
1608                         return;
1609                 templname = fname;
1610         }
1611
1612         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1613 }
1614
1615
1616 void LyXFunc::open(string const & fname)
1617 {
1618         string initpath = lyxrc.document_path;
1619
1620         if (view()->available()) {
1621                 string const trypath = owner->buffer()->filePath();
1622                 // If directory is writeable, use this as default.
1623                 if (IsDirWriteable(trypath))
1624                         initpath = trypath;
1625         }
1626
1627         string filename;
1628
1629         if (fname.empty()) {
1630                 FileDialog fileDlg(owner, _("Select document to open"),
1631                         LFUN_FILE_OPEN,
1632                         make_pair(string(_("Documents|#o#O")),
1633                                   string(lyxrc.document_path)),
1634                         make_pair(string(_("Examples|#E#e")),
1635                                   string(AddPath(system_lyxdir, "examples"))));
1636
1637                 FileDialog::Result result =
1638                         fileDlg.Select(initpath,
1639                                        "*.lyx|LyX Documents (*.lyx)");
1640
1641                 if (result.first == FileDialog::Later)
1642                         return;
1643
1644                 filename = result.second;
1645
1646                 // check selected filename
1647                 if (filename.empty()) {
1648                         owner->message(_("Canceled."));
1649                         return;
1650                 }
1651         } else
1652                 filename = fname;
1653
1654         // get absolute path of file and add ".lyx" to the filename if
1655         // necessary
1656         string const fullpath = FileSearch(string(), filename, "lyx");
1657         if (!fullpath.empty()) {
1658                 filename = fullpath;
1659         }
1660
1661         string const disp_fn(MakeDisplayPath(filename));
1662
1663         // if the file doesn't exist, let the user create one
1664         FileInfo const f(filename, true);
1665         if (!f.exist()) {
1666                 if (!Alert::askQuestion(_("No such file"), disp_fn,
1667                         _("Start a new document with this filename ?"))) {
1668                         owner->message(_("Canceled"));
1669                         return;
1670                 }
1671                 // the user specifically chose this name. Believe them.
1672                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1673                 view()->buffer(buffer);
1674                 return;
1675         }
1676
1677         ostringstream str;
1678         str << _("Opening document") << ' ' << disp_fn << "...";
1679
1680         owner->message(str.str().c_str());
1681
1682         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1683         if (openbuf) {
1684                 view()->buffer(openbuf);
1685                 ostringstream str;
1686                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1687                 owner->message(str.str().c_str());
1688         } else {
1689                 ostringstream str;
1690                 str << _("Could not open document") << ' ' << disp_fn;
1691                 owner->message(str.str().c_str());
1692         }
1693 }
1694
1695
1696 void LyXFunc::doImport(string const & argument)
1697 {
1698         string format;
1699         string filename = split(argument, format, ' ');
1700
1701         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1702                             << " file: " << filename << endl;
1703
1704         // need user interaction
1705         if (filename.empty()) {
1706                 string initpath = lyxrc.document_path;
1707
1708                 if (view()->available()) {
1709                         string const trypath = owner->buffer()->filePath();
1710                         // If directory is writeable, use this as default.
1711                         if (IsDirWriteable(trypath))
1712                                 initpath = trypath;
1713                 }
1714
1715                 string const text = _("Select ") + formats.prettyName(format)
1716                         + _(" file to import");
1717
1718                 FileDialog fileDlg(owner, text,
1719                         LFUN_IMPORT,
1720                         make_pair(string(_("Documents|#o#O")),
1721                                   string(lyxrc.document_path)),
1722                         make_pair(string(_("Examples|#E#e")),
1723                                   string(AddPath(system_lyxdir, "examples"))));
1724
1725                 string const extension = "*." + formats.extension(format)
1726                         + "| " + formats.prettyName(format)
1727                         + " (*." + formats.extension(format) + ")";
1728
1729                 FileDialog::Result result = fileDlg.Select(initpath,
1730                                                            extension);
1731
1732                 if (result.first == FileDialog::Later)
1733                         return;
1734
1735                 filename = result.second;
1736
1737                 // check selected filename
1738                 if (filename.empty())
1739                         owner->message(_("Canceled."));
1740         }
1741
1742         if (filename.empty())
1743                 return;
1744
1745         // get absolute path of file
1746         filename = MakeAbsPath(filename);
1747
1748         string const lyxfile = ChangeExtension(filename, ".lyx");
1749
1750         // Check if the document already is open
1751         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1752                 switch (Alert::askConfirmation(_("Document is already open:"),
1753                                         MakeDisplayPath(lyxfile, 50),
1754                                         _("Do you want to close that document now?\n"
1755                                           "('No' will just switch to the open version)")))
1756                         {
1757                         case 1:
1758                                 // If close is canceled, we cancel here too.
1759                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1760                                         return;
1761                                 break;
1762                         case 2:
1763                                 view()->buffer(bufferlist.getBuffer(lyxfile));
1764                                 return;
1765                         case 3:
1766                                 owner->message(_("Canceled."));
1767                                 return;
1768                         }
1769         }
1770
1771         // if the file exists already, and we didn't do
1772         // -i lyx thefile.lyx, warn
1773         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1774                 if (!Alert::askQuestion(_("A document by the name"),
1775                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1776                         owner->message(_("Canceled"));
1777                         return;
1778                 }
1779         }
1780
1781         Importer::Import(owner, filename, format);
1782 }
1783
1784
1785 void LyXFunc::reloadBuffer()
1786 {
1787         string const fn = owner->buffer()->fileName();
1788         if (bufferlist.close(owner->buffer()))
1789                 view()->buffer(bufferlist.loadLyXFile(fn));
1790 }
1791
1792
1793 void LyXFunc::closeBuffer()
1794 {
1795         if (bufferlist.close(owner->buffer()) && !quitting) {
1796                 if (bufferlist.empty()) {
1797                         // need this otherwise SEGV may occur while trying to
1798                         // set variables that don't exist
1799                         // since there's no current buffer
1800                         owner->getDialogs().hideBufferDependent();
1801                 } else {
1802                         view()->buffer(bufferlist.first());
1803                 }
1804         }
1805 }
1806
1807
1808 // Each "owner" should have it's own message method. lyxview and
1809 // the minibuffer would use the minibuffer, but lyxserver would
1810 // send an ERROR signal to its client.  Alejandro 970603
1811 // This func is bit problematic when it comes to NLS, to make the
1812 // lyx servers client be language indepenent we must not translate
1813 // strings sent to this func.
1814 void LyXFunc::setErrorMessage(string const & m) const
1815 {
1816         dispatch_buffer = m;
1817         errorstat = true;
1818 }
1819
1820
1821 void LyXFunc::setMessage(string const & m) const
1822 {
1823         dispatch_buffer = m;
1824 }
1825
1826
1827 void LyXFunc::setStatusMessage(string const & m) const
1828 {
1829         status_buffer = m;
1830 }
1831
1832
1833 string const LyXFunc::view_status_message()
1834 {
1835         // When meta-fake key is pressed, show the key sequence so far + "M-".
1836         if (wasMetaKey()) {
1837                 return keyseq.print() + "M-";
1838         }
1839
1840         // Else, when a non-complete key sequence is pressed,
1841         // show the available options.
1842         if (keyseq.length() > 0 && !keyseq.deleted()) {
1843                 return keyseq.printOptions();
1844         }
1845
1846         if (!view()->available())
1847                 return _("Welcome to LyX!");
1848
1849         return currentState(view());
1850 }
1851
1852
1853 BufferView * LyXFunc::view() const
1854 {
1855         lyx::Assert(owner);
1856         return owner->view().get();
1857 }