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 "BoostFormat.h"
  73
  74 #include <ctime>
  75 #include <clocale>
  76 #include <cstdlib>
  77 #include <cctype>
  78
  79 #include <utility>
  80 #include <algorithm>
  81
  82 using std::pair;
  83 using std::make_pair;
  84 using std::endl;
  85 using std::find_if;
  86 using std::vector;
  87 using std::transform;
  88 using std::back_inserter;
  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         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 105         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 106         meta_fake_bit(key_modifier::none)
 107 {
 108 }
 109
 110
 111 inline
 112 LyXText * LyXFunc::TEXT(bool flag = true) const
 113 {
 114         if (flag)
 115                 return view()->text;
 116         return view()->getLyXText();
 117 }
 118
 119
 120 inline
 121 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 122 {
 123         if (selecting || TEXT(flag)->selection.mark()) {
 124                 TEXT(flag)->setSelection(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 #if USE_BOOST_FORMAT
 678 boost::format fmt(_("Unknown function (%1$s)"));
 679 fmt % s;
 680 owner->message(fmt.str());
 681 #else
 682                 string const msg = string(_("Unknown function ("))
 683                         + s + ')';
 684                 owner->message(msg);
 685 #endif
 686                 return;
 687         }
 688
 689         dispatch(action, verbose);
 690 }
 691
 692
 693 void LyXFunc::dispatch(int ac, bool verbose)
 694 {
 695         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 696 }
 697
 698
 699
 700 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 701 {
 702         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 703                               <<"] arg[" << ev.argument << ']' << endl;
 704
 705         // we have not done anything wrong yet.
 706         errorstat = false;
 707         dispatch_buffer.erase();
 708
 709 #ifdef NEW_DISPATCHER
 710         // We try do call the most specific dispatcher first:
 711         //  1. the lockinginset's dispatch
 712         //  2. the bufferview's dispatch
 713         //  3. the lyxview's dispatch
 714 #endif
 715
 716         selection_possible = false;
 717
 718         if (view()->available())
 719                 view()->hideCursor();
 720
 721         string argument = ev.argument;
 722         kb_action action = ev.action;
 723
 724         // We cannot use this function here
 725         if (getStatus(ev).disabled()) {
 726                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 727                        << lyxaction.getActionName(action)
 728                        << " [" << action << "] is disabled at this location"
 729                        << endl;
 730                 setErrorMessage(getStatusMessage());
 731                 goto exit_with_message;
 732         }
 733
 734         if (view()->available() && view()->theLockingInset()) {
 735                 Inset::RESULT result;
 736                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 737                                      (!keyseq.deleted())))
 738                 {
 739                         UpdatableInset * inset = view()->theLockingInset();
 740 #if 1
 741                         int inset_x;
 742                         int dummy_y;
 743                         inset->getCursorPos(view(), inset_x, dummy_y);
 744 #endif
 745                         if ((action == LFUN_UNKNOWN_ACTION)
 746                             && argument.empty()) {
 747                                 argument = keyseq.getLastKeyEncoded();
 748                         }
 749                         // Undo/Redo is a bit tricky for insets.
 750                         if (action == LFUN_UNDO) {
 751                                 view()->undo();
 752                                 goto exit_with_message;
 753                         } else if (action == LFUN_REDO) {
 754                                 view()->redo();
 755                                 goto exit_with_message;
 756                         } else if (((result=inset->
 757                                      // Hand-over to inset's own dispatch:
 758                                      localDispatch(FuncRequest(view(), action, argument))) ==
 759                                     UpdatableInset::DISPATCHED) ||
 760                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 761                                 goto exit_with_message;
 762                                         // If UNDISPATCHED, just soldier on
 763                         else if (result == UpdatableInset::FINISHED) {
 764                                 goto exit_with_message;
 765                                 // We do not need special RTL handling here:
 766                                 // FINISHED means that the cursor should be
 767                                 // one position after the inset.
 768                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 769                                 TEXT()->cursorRight(view());
 770                                 moveCursorUpdate(true, false);
 771                                 owner->view_state_changed();
 772                                 goto exit_with_message;
 773                         } else if (result == UpdatableInset::FINISHED_UP) {
 774                                 if (TEXT()->cursor.irow()->previous()) {
 775 #if 1
 776                                         TEXT()->setCursorFromCoordinates(
 777                                                 view(), TEXT()->cursor.ix() + inset_x,
 778                                                 TEXT()->cursor.iy() -
 779                                                 TEXT()->cursor.irow()->baseline() - 1);
 780                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 781 #else
 782                                         TEXT()->cursorUp(view());
 783 #endif
 784                                         moveCursorUpdate(true, false);
 785                                         owner->view_state_changed();
 786                                 } else {
 787                                         view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 788                                 }
 789                                 goto exit_with_message;
 790                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 791                                 if (TEXT()->cursor.irow()->next()) {
 792 #if 1
 793                                         TEXT()->setCursorFromCoordinates(
 794                                                 view(), TEXT()->cursor.ix() + inset_x,
 795                                                 TEXT()->cursor.iy() -
 796                                                 TEXT()->cursor.irow()->baseline() +
 797                                                 TEXT()->cursor.irow()->height() + 1);
 798                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 799 #else
 800                                         TEXT()->cursorDown(view());
 801 #endif
 802                                 } else {
 803                                         TEXT()->cursorRight(view());
 804                                 }
 805                                 moveCursorUpdate(true, false);
 806                                 owner->view_state_changed();
 807                                 goto exit_with_message;
 808                         }
 809 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 810                         else { // result == UNDISPATCHED
 811                                 //setMessage(N_("Text mode"));
 812                                 switch (action) {
 813                                 case LFUN_UNKNOWN_ACTION:
 814                                 case LFUN_BREAKPARAGRAPH:
 815                                 case LFUN_BREAKLINE:
 816                                         TEXT()->cursorRight(view());
 817                                         view()->switchKeyMap();
 818                                         owner->view_state_changed();
 819                                         break;
 820                                 case LFUN_RIGHT:
 821                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 822                                                 TEXT()->cursorRight(view());
 823                                                 moveCursorUpdate(true, false);
 824                                                 owner->view_state_changed();
 825                                         }
 826                                         goto exit_with_message;
 827                                 case LFUN_LEFT:
 828                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 829                                                 TEXT()->cursorRight(view());
 830                                                 moveCursorUpdate(true, false);
 831                                                 owner->view_state_changed();
 832                                         }
 833                                         goto exit_with_message;
 834                                 case LFUN_DOWN:
 835                                         if (TEXT()->cursor.row()->next())
 836                                                 TEXT()->cursorDown(view());
 837                                         else
 838                                                 TEXT()->cursorRight(view());
 839                                         moveCursorUpdate(true, false);
 840                                         owner->view_state_changed();
 841                                         goto exit_with_message;
 842                                 default:
 843                                         break;
 844                                 }
 845                         }
 846                 }
 847         }
 848
 849         switch (action) {
 850
 851         case LFUN_ESCAPE:
 852         {
 853                 if (!view()->available()) break;
 854                 // this function should be used always [asierra060396]
 855                 UpdatableInset * tli =
 856                         view()->theLockingInset();
 857                 if (tli) {
 858                         UpdatableInset * lock = tli->getLockingInset();
 859
 860                         if (tli == lock) {
 861                                 view()->unlockInset(tli);
 862                                 TEXT()->cursorRight(view());
 863                                 moveCursorUpdate(true, false);
 864                                 owner->view_state_changed();
 865                         } else {
 866                                 tli->unlockInsetInInset(view(),
 867                                                         lock,
 868                                                         true);
 869                         }
 870                         finishUndo();
 871                         // Tell the paragraph dialog that we changed paragraph
 872                         owner->getDialogs().updateParagraph();
 873                 }
 874         }
 875         break;
 876
 877                 // --- Misc -------------------------------------------
 878         case LFUN_WORDFINDFORWARD  :
 879         case LFUN_WORDFINDBACKWARD : {
 880                 static string last_search;
 881                 string searched_string;
 882
 883                 if (!argument.empty()) {
 884                         last_search = argument;
 885                         searched_string = argument;
 886                 } else {
 887                         searched_string = last_search;
 888                 }
 889                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 890                 if (!searched_string.empty()) {
 891                         lyxfind::LyXFind(view(), searched_string, fw);
 892                 }
 893 //              view()->showCursor();
 894         }
 895         break;
 896
 897         case LFUN_PREFIX:
 898         {
 899                 if (view()->available() && !view()->theLockingInset()) {
 900                         view()->update(TEXT(),
 901                                               BufferView::SELECT|BufferView::FITCUR);
 902                 }
 903                 owner->message(keyseq.printOptions());
 904         }
 905         break;
 906
 907         // --- Misc -------------------------------------------
 908         case LFUN_EXEC_COMMAND:
 909                 owner->focus_command_buffer();
 910                 break;
 911
 912         case LFUN_CANCEL:                   // RVDK_PATCH_5
 913                 keyseq.reset();
 914                 meta_fake_bit = key_modifier::none;
 915                 if (view()->available())
 916                         // cancel any selection
 917                         dispatch(LFUN_MARK_OFF);
 918                 setMessage(N_("Cancel"));
 919                 break;
 920
 921         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 922         {
 923                 meta_fake_bit = key_modifier::alt;
 924                 setMessage(keyseq.print());
 925         }
 926         break;
 927
 928         case LFUN_READ_ONLY_TOGGLE:
 929                 if (owner->buffer()->lyxvc.inUse()) {
 930                         owner->buffer()->lyxvc.toggleReadOnly();
 931                 } else {
 932                         owner->buffer()->setReadonly(
 933                                 !owner->buffer()->isReadonly());
 934                 }
 935                 break;
 936
 937         case LFUN_CENTER: // this is center and redraw.
 938                 view()->center();
 939                 break;
 940
 941                 // --- Menus -----------------------------------------------
 942         case LFUN_MENUNEW:
 943                 menuNew(argument, false);
 944                 break;
 945
 946         case LFUN_MENUNEWTMPLT:
 947                 menuNew(argument, true);
 948                 break;
 949
 950         case LFUN_CLOSEBUFFER:
 951                 closeBuffer();
 952                 break;
 953
 954         case LFUN_MENUWRITE:
 955                 if (!owner->buffer()->isUnnamed()) {
 956                         ostringstream s1;
 957 #if USE_BOOST_FORMAT
 958                         s1 << boost::format(_("Saving document %1$s..."))
 959                            % MakeDisplayPath(owner->buffer()->fileName());
 960 #else
 961                         s1 << _("Saving document ")
 962                            << MakeDisplayPath(owner->buffer()->fileName())
 963                            << _("...");
 964 #endif
 965                         owner->message(STRCONV(s1.str()));
 966                         MenuWrite(view(), owner->buffer());
 967                         s1 << _(" done.");
 968                         owner->message(STRCONV(s1.str()));
 969                 } else
 970                         WriteAs(view(), owner->buffer());
 971                 break;
 972
 973         case LFUN_WRITEAS:
 974                 WriteAs(view(), owner->buffer(), argument);
 975                 break;
 976
 977         case LFUN_MENURELOAD:
 978                 reloadBuffer();
 979                 break;
 980
 981         case LFUN_UPDATE:
 982                 Exporter::Export(owner->buffer(), argument, true);
 983                 break;
 984
 985         case LFUN_PREVIEW:
 986                 Exporter::Preview(owner->buffer(), argument);
 987                 break;
 988
 989         case LFUN_BUILDPROG:
 990                 Exporter::Export(owner->buffer(), "program", true);
 991                 break;
 992
 993         case LFUN_RUNCHKTEX:
 994                 MenuRunChktex(owner->buffer());
 995                 break;
 996
 997         case LFUN_MENUPRINT:
 998                 owner->getDialogs().showPrint();
 999                 break;
1000
1001         case LFUN_EXPORT:
1002                 if (argument == "custom")
1003                         owner->getDialogs().showSendto();
1004                 else
1005                         Exporter::Export(owner->buffer(), argument, false);
1006                 break;
1007
1008         case LFUN_IMPORT:
1009                 doImport(argument);
1010                 break;
1011
1012         case LFUN_QUIT:
1013                 QuitLyX();
1014                 break;
1015
1016         case LFUN_TOCVIEW:
1017 #if 0
1018         case LFUN_LOFVIEW:
1019         case LFUN_LOTVIEW:
1020         case LFUN_LOAVIEW:
1021 #endif
1022         {
1023                 InsetCommandParams p;
1024
1025 #if 0
1026                 if (action == LFUN_TOCVIEW)
1027 #endif
1028                         p.setCmdName("tableofcontents");
1029 #if 0
1030                 else if (action == LFUN_LOAVIEW)
1031                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1032                 else if (action == LFUN_LOFVIEW)
1033                         p.setCmdName("listoffigures");
1034                 else
1035                         p.setCmdName("listoftables");
1036 #endif
1037                 owner->getDialogs().createTOC(p.getAsString());
1038                 break;
1039         }
1040
1041         case LFUN_AUTOSAVE:
1042                 AutoSave(view());
1043                 break;
1044
1045         case LFUN_UNDO:
1046                 view()->undo();
1047                 break;
1048
1049         case LFUN_REDO:
1050                 view()->redo();
1051                 break;
1052
1053         case LFUN_MENUSEARCH:
1054                 owner->getDialogs().showSearch();
1055                 break;
1056
1057         case LFUN_REMOVEERRORS:
1058                 if (view()->removeAutoInsets()) {
1059 #warning repaint() or update() or nothing ?
1060                         view()->repaint();
1061                         view()->fitCursor();
1062                 }
1063                 break;
1064
1065         case LFUN_DEPTH_MIN:
1066                 changeDepth(view(), TEXT(false), -1);
1067                 break;
1068
1069         case LFUN_DEPTH_PLUS:
1070                 changeDepth(view(), TEXT(false), 1);
1071                 break;
1072
1073         case LFUN_FREE:
1074                 owner->getDialogs().setUserFreeFont();
1075                 break;
1076
1077         case LFUN_RECONFIGURE:
1078                 Reconfigure(view());
1079                 break;
1080
1081 #if 0
1082         case LFUN_FLOATSOPERATE:
1083                 if (argument == "openfoot")
1084                         view()->allFloats(1,0);
1085                 else if (argument == "closefoot")
1086                         view()->allFloats(0,0);
1087                 else if (argument == "openfig")
1088                         view()->allFloats(1,1);
1089                 else if (argument == "closefig")
1090                         view()->allFloats(0,1);
1091                 break;
1092 #else
1093 #ifdef WITH_WARNINGS
1094 //#warning Find another implementation here (or another lyxfunc)!
1095 #endif
1096 #endif
1097         case LFUN_HELP_ABOUTLYX:
1098                 owner->getDialogs().showAboutlyx();
1099                 break;
1100
1101         case LFUN_HELP_TEXINFO:
1102                 owner->getDialogs().showTexinfo();
1103                 break;
1104
1105         case LFUN_HELP_OPEN:
1106         {
1107                 string const arg = argument;
1108                 if (arg.empty()) {
1109                         setErrorMessage(N_("Missing argument"));
1110                         break;
1111                 }
1112                 owner->prohibitInput();
1113                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1114                 if (fname.empty()) {
1115                         lyxerr << "LyX: unable to find documentation file `"
1116                                << arg << "'. Bad installation?" << endl;
1117                         owner->allowInput();
1118                         break;
1119                 }
1120                 ostringstream str;
1121 #if USE_BOOST_FORMAT
1122                 str << boost::format(_("Opening help file %1$s..."))
1123                     % MakeDisplayPath(fname);
1124 #else
1125                 str << _("Opening help file ")
1126                     << MakeDisplayPath(fname) << _("...");
1127 #endif
1128                 owner->message(STRCONV(str.str()));
1129                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1130                 owner->allowInput();
1131                 break;
1132         }
1133
1134                 // --- version control -------------------------------
1135         case LFUN_VC_REGISTER:
1136         {
1137                 if (!owner->buffer()->lyxvc.inUse())
1138                         owner->buffer()->lyxvc.registrer();
1139         }
1140         break;
1141
1142         case LFUN_VC_CHECKIN:
1143         {
1144                 if (owner->buffer()->lyxvc.inUse()
1145                     && !owner->buffer()->isReadonly())
1146                         owner->buffer()->lyxvc.checkIn();
1147         }
1148         break;
1149
1150         case LFUN_VC_CHECKOUT:
1151         {
1152                 if (owner->buffer()->lyxvc.inUse()
1153                     && owner->buffer()->isReadonly())
1154                         owner->buffer()->lyxvc.checkOut();
1155         }
1156         break;
1157
1158         case LFUN_VC_REVERT:
1159         {
1160                 owner->buffer()->lyxvc.revert();
1161         }
1162         break;
1163
1164         case LFUN_VC_UNDO:
1165         {
1166                 owner->buffer()->lyxvc.undoLast();
1167         }
1168         break;
1169
1170         case LFUN_VC_HISTORY:
1171         {
1172                 owner->getDialogs().showVCLogFile();
1173                 break;
1174         }
1175
1176         // --- buffers ----------------------------------------
1177
1178         case LFUN_SWITCHBUFFER:
1179                 view()->buffer(bufferlist.getBuffer(argument));
1180                 break;
1181
1182         case LFUN_FILE_NEW:
1183         {
1184                 // servercmd: argument must be <file>:<template>
1185                 Buffer * tmpbuf = NewFile(argument);
1186                 if (tmpbuf)
1187                         view()->buffer(tmpbuf);
1188         }
1189         break;
1190
1191         case LFUN_FILE_OPEN:
1192                 open(argument);
1193                 break;
1194
1195         case LFUN_LATEX_LOG:
1196                 owner->getDialogs().showLogFile();
1197                 break;
1198
1199         case LFUN_LAYOUT_DOCUMENT:
1200                 owner->getDialogs().showDocument();
1201                 break;
1202
1203         case LFUN_LAYOUT_PARAGRAPH:
1204                 owner->getDialogs().showParagraph();
1205                 break;
1206
1207         case LFUN_LAYOUT_CHARACTER:
1208                 owner->getDialogs().showCharacter();
1209                 break;
1210
1211         case LFUN_LAYOUT_TABULAR:
1212             if (view()->theLockingInset()) {
1213                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1214                     InsetTabular * inset = static_cast<InsetTabular *>
1215                         (view()->theLockingInset());
1216                     inset->openLayoutDialog(view());
1217                 } else if (view()->theLockingInset()->
1218                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1219                     InsetTabular * inset = static_cast<InsetTabular *>(
1220                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1221                     inset->openLayoutDialog(view());
1222                 }
1223             }
1224             break;
1225
1226         case LFUN_LAYOUT_PREAMBLE:
1227                 owner->getDialogs().showPreamble();
1228                 break;
1229
1230         case LFUN_DROP_LAYOUTS_CHOICE:
1231                 owner->getToolbar().openLayoutList();
1232                 break;
1233
1234         case LFUN_MENU_OPEN_BY_NAME:
1235                 owner->getMenubar().openByName(argument);
1236                 break; // RVDK_PATCH_5
1237
1238         case LFUN_SPELLCHECK:
1239                 owner->getDialogs().showSpellchecker();
1240                 break;
1241
1242         // --- lyxserver commands ----------------------------
1243
1244
1245         case LFUN_GETNAME:
1246                 setMessage(owner->buffer()->fileName());
1247                 lyxerr[Debug::INFO] << "FNAME["
1248                                << owner->buffer()->fileName()
1249                                << "] " << endl;
1250                 break;
1251
1252         case LFUN_NOTIFY:
1253         {
1254                 dispatch_buffer = keyseq.print();
1255                 lyxserver->notifyClient(dispatch_buffer);
1256         }
1257         break;
1258
1259         case LFUN_GOTOFILEROW:
1260         {
1261                 string file_name;
1262                 int row;
1263                 istringstream istr(argument.c_str());
1264                 istr >> file_name >> row;
1265                 // Must replace extension of the file to be .lyx and get full path
1266                 string const s(ChangeExtension(file_name, ".lyx"));
1267
1268                 // Either change buffer or load the file
1269                 if (bufferlist.exists(s)) {
1270                         view()->buffer(bufferlist.getBuffer(s));
1271                 } else {
1272                         view()->buffer(bufferlist.loadLyXFile(s));
1273                 }
1274
1275                 view()->setCursorFromRow(row);
1276
1277                 view()->center();
1278                 // see BufferView_pimpl::center()
1279                 view()->updateScrollbar();
1280         }
1281         break;
1282
1283         case LFUN_GOTO_PARAGRAPH:
1284         {
1285                 istringstream istr(argument.c_str());
1286
1287                 int id;
1288                 istr >> id;
1289                 Paragraph * par = owner->buffer()->getParFromID(id);
1290                 if (par == 0) {
1291                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1292                                             << id << ']' << endl;
1293                         break;
1294                 } else {
1295                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1296                                             << " found." << endl;
1297                 }
1298
1299                 if (view()->theLockingInset())
1300                         view()->unlockInset(view()->theLockingInset());
1301                 if (par->inInset()) {
1302                         par->inInset()->edit(view());
1303                 }
1304                 // Set the cursor
1305                 view()->getLyXText()->setCursor(view(), par, 0);
1306                 view()->switchKeyMap();
1307                 owner->view_state_changed();
1308
1309                 view()->center();
1310                 // see BufferView_pimpl::center()
1311                 view()->updateScrollbar();
1312         }
1313         break;
1314
1315         case LFUN_APROPOS:
1316         case LFUN_GETTIP:
1317         {
1318                 int const qa = lyxaction.LookupFunc(argument);
1319                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1320         }
1321         break;
1322
1323         // --- insert characters ----------------------------------------
1324
1325         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1326         case LFUN_MATH_EXTERN:
1327         case LFUN_MATH_NUMBER:
1328         case LFUN_MATH_NONUMBER:
1329         case LFUN_MATH_LIMITS:
1330         {
1331                 setErrorMessage(N_("This is only allowed in math mode!"));
1332         }
1333         break;
1334
1335         // passthrough hat and underscore outside mathed:
1336         case LFUN_SUBSCRIPT:
1337                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1338                 break;
1339         case LFUN_SUPERSCRIPT:
1340                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1341                 break;
1342
1343         case LFUN_MATH_PANEL:
1344                 owner->getDialogs().showMathPanel();
1345                 break;
1346
1347         case LFUN_CITATION_CREATE:
1348         {
1349                 InsetCommandParams p("cite");
1350
1351                 if (!argument.empty()) {
1352                         // This should be set at source, ie when typing
1353                         // "citation-insert foo" in the minibuffer.
1354                         // Question: would pybibliographer also need to be
1355                         // changed. Suspect so. Leave as-is therefore.
1356                         if (contains(argument, "|")) {
1357                                 p.setContents(token(argument, '|', 0));
1358                                 p.setOptions(token(argument, '|', 1));
1359                         } else {
1360                                 p.setContents(argument);
1361                         }
1362                         dispatch(FuncRequest(view(), LFUN_CITATION_INSERT, p.getAsString()));
1363                 } else
1364                         owner->getDialogs().createCitation(p.getAsString());
1365         }
1366         break;
1367
1368         case LFUN_CHILDOPEN:
1369         {
1370                 string const filename =
1371                         MakeAbsPath(argument,
1372                                     owner->buffer()->filePath());
1373                 setMessage(N_("Opening child document ") +
1374                            MakeDisplayPath(filename) + "...");
1375                 view()->savePosition(0);
1376                 if (bufferlist.exists(filename))
1377                         view()->buffer(bufferlist.getBuffer(filename));
1378                 else
1379                         view()->buffer(bufferlist.loadLyXFile(filename));
1380         }
1381         break;
1382
1383         case LFUN_TOGGLECURSORFOLLOW:
1384                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1385                 break;
1386
1387         case LFUN_KMAP_OFF:
1388                 owner->getIntl().KeyMapOn(false);
1389                 break;
1390
1391         case LFUN_KMAP_PRIM:
1392                 owner->getIntl().KeyMapPrim();
1393                 break;
1394
1395         case LFUN_KMAP_SEC:
1396                 owner->getIntl().KeyMapSec();
1397                 break;
1398
1399         case LFUN_KMAP_TOGGLE:
1400                 owner->getIntl().ToggleKeyMap();
1401                 break;
1402
1403         case LFUN_SEQUENCE:
1404         {
1405                 // argument contains ';'-terminated commands
1406                 while (!argument.empty()) {
1407                         string first;
1408                         argument = split(argument, first, ';');
1409                         dispatch(first);
1410                 }
1411         }
1412         break;
1413
1414         case LFUN_DIALOG_PREFERENCES:
1415                 owner->getDialogs().showPreferences();
1416                 break;
1417
1418         case LFUN_SAVEPREFERENCES:
1419         {
1420                 Path p(user_lyxdir);
1421                 lyxrc.write("preferences");
1422         }
1423         break;
1424
1425         case LFUN_SCREEN_FONT_UPDATE:
1426         {
1427                 // handle the screen font changes.
1428                 lyxrc.set_font_norm_type();
1429                 lyx_gui::update_fonts();
1430                 // We also need to empty the textcache so that
1431                 // the buffer will be formatted correctly after
1432                 // a zoom change.
1433                 textcache.clear();
1434                 // Of course we should only do the resize and the textcache.clear
1435                 // if values really changed...but not very important right now. (Lgb)
1436                 // All visible buffers will need resize
1437                 view()->resize();
1438                 view()->repaint();
1439         }
1440         break;
1441
1442         case LFUN_SET_COLOR:
1443         {
1444                 string lyx_name;
1445                 string const x11_name = split(argument, lyx_name, ' ');
1446                 if (lyx_name.empty() || x11_name.empty()) {
1447                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1448                                                 " <x11_name>"));
1449                         break;
1450                         }
1451
1452                 bool const graphicsbg_changed =
1453                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1454                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1455
1456                 if (!lcolor.setColor(lyx_name, x11_name)) {
1457 #if USE_BOOST_FORMAT
1458                         setErrorMessage(
1459                                 boost::io::str(
1460                                         boost::format(
1461                                                 _("Set-color \"%1$s\" failed "
1462                                                   "- color is undefined or "
1463                                                   "may not be redefined"))
1464                                         % lyx_name));
1465 #else
1466                         setErrorMessage(_("Set-color ") + lyx_name
1467                                         + _(" failed - color is undefined"
1468                                             " or may not be redefined"));
1469 #endif
1470
1471                         break;
1472                 }
1473
1474                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1475
1476                 if (graphicsbg_changed) {
1477 #ifdef WITH_WARNINGS
1478 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1479 #endif
1480 #if 0
1481                         grfx::GCache & gc = grfx::GCache::get();
1482                         gc.changeDisplay(true);
1483 #endif
1484                 }
1485
1486                 view()->repaint();
1487                 break;
1488         }
1489
1490         case LFUN_MESSAGE:
1491                 owner->message(argument);
1492                 break;
1493
1494         case LFUN_FORKS_SHOW:
1495                 owner->getDialogs().showForks();
1496                 break;
1497
1498         case LFUN_FORKS_KILL:
1499         {
1500                 if (!isStrInt(argument))
1501                         break;
1502
1503                 pid_t const pid = strToInt(argument);
1504                 ForkedcallsController & fcc = ForkedcallsController::get();
1505                 fcc.kill(pid);
1506                 break;
1507         }
1508
1509         case LFUN_TOOLTIPS_TOGGLE:
1510                 owner->getDialogs().toggleTooltips();
1511                 break;
1512
1513         default:
1514                 // Then if it was none of the above
1515                 // Trying the BufferView::pimpl dispatch:
1516                 if (!view()->dispatch(ev))
1517                         lyxerr << "A truly unknown func ["
1518                                << lyxaction.getActionName(ev.action) << "]!"
1519                                << endl;
1520                 break;
1521         } // end of switch
1522
1523 exit_with_message:
1524         sendDispatchMessage(getMessage(), ev, verbose);
1525 }
1526
1527
1528 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1529 {
1530         owner->updateMenubar();
1531         owner->updateToolbar();
1532
1533         if (ev.action == LFUN_SELFINSERT || !verbose) {
1534                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1535                 if (!msg.empty())
1536                         owner->message(msg);
1537                 return;
1538         }
1539
1540         string dispatch_msg = msg;
1541         if (!dispatch_msg.empty())
1542                 dispatch_msg += ' ';
1543
1544         string comname = lyxaction.getActionName(ev.action);
1545
1546         int pseudoaction = ev.action;
1547         bool argsadded = false;
1548
1549         if (!ev.argument.empty()) {
1550                 // the pseudoaction is useful for the bindings
1551                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1552
1553                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1554                         pseudoaction = ev.action;
1555                 } else {
1556                         comname += ' ' + ev.argument;
1557                         argsadded = true;
1558                 }
1559         }
1560
1561         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1562
1563         if (!shortcuts.empty()) {
1564                 comname += ": " + shortcuts;
1565         } else if (!argsadded && !ev.argument.empty()) {
1566                 comname += ' ' + ev.argument;
1567         }
1568
1569         if (!comname.empty()) {
1570                 comname = rtrim(comname);
1571                 dispatch_msg += '(' + comname + ')';
1572         }
1573
1574         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1575         if (!dispatch_msg.empty())
1576                 owner->message(dispatch_msg);
1577 }
1578
1579
1580 void LyXFunc::setupLocalKeymap()
1581 {
1582         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1583         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1584 }
1585
1586
1587 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1588 {
1589         string initpath = lyxrc.document_path;
1590         string filename(name);
1591
1592         if (view()->available()) {
1593                 string const trypath = owner->buffer()->filePath();
1594                 // If directory is writeable, use this as default.
1595                 if (IsDirWriteable(trypath))
1596                         initpath = trypath;
1597         }
1598
1599         static int newfile_number;
1600
1601         if (filename.empty()) {
1602                 filename = AddName(lyxrc.document_path,
1603                             "newfile" + tostr(++newfile_number) + ".lyx");
1604                 FileInfo fi(filename);
1605                 while (bufferlist.exists(filename) || fi.readable()) {
1606                         ++newfile_number;
1607                         filename = AddName(lyxrc.document_path,
1608                                     "newfile" + tostr(newfile_number) +
1609                                     ".lyx");
1610                         fi.newFile(filename);
1611                 }
1612         }
1613
1614         // The template stuff
1615         string templname;
1616         if (fromTemplate) {
1617                 FileDialog fileDlg(owner, _("Select template file"),
1618                         LFUN_SELECT_FILE_SYNC,
1619                         make_pair(string(_("Documents|#o#O")),
1620                                   string(lyxrc.document_path)),
1621                         make_pair(string(_("Templates|#T#t")),
1622                                   string(lyxrc.template_path)));
1623
1624                 FileDialog::Result result =
1625                         fileDlg.open(lyxrc.template_path,
1626                                        _("*.lyx|LyX Documents (*.lyx)"));
1627
1628                 if (result.first == FileDialog::Later)
1629                         return;
1630
1631                 string const fname = result.second;
1632
1633                 if (fname.empty())
1634                         return;
1635                 templname = fname;
1636         }
1637
1638         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1639 }
1640
1641
1642 void LyXFunc::open(string const & fname)
1643 {
1644         string initpath = lyxrc.document_path;
1645
1646         if (view()->available()) {
1647                 string const trypath = owner->buffer()->filePath();
1648                 // If directory is writeable, use this as default.
1649                 if (IsDirWriteable(trypath))
1650                         initpath = trypath;
1651         }
1652
1653         string filename;
1654
1655         if (fname.empty()) {
1656                 FileDialog fileDlg(owner, _("Select document to open"),
1657                         LFUN_FILE_OPEN,
1658                         make_pair(string(_("Documents|#o#O")),
1659                                   string(lyxrc.document_path)),
1660                         make_pair(string(_("Examples|#E#e")),
1661                                   string(AddPath(system_lyxdir, "examples"))));
1662
1663                 FileDialog::Result result =
1664                         fileDlg.open(initpath,
1665                                        "*.lyx|LyX Documents (*.lyx)");
1666
1667                 if (result.first == FileDialog::Later)
1668                         return;
1669
1670                 filename = result.second;
1671
1672                 // check selected filename
1673                 if (filename.empty()) {
1674                         owner->message(_("Canceled."));
1675                         return;
1676                 }
1677         } else
1678                 filename = fname;
1679
1680         // get absolute path of file and add ".lyx" to the filename if
1681         // necessary
1682         string const fullpath = FileSearch(string(), filename, "lyx");
1683         if (!fullpath.empty()) {
1684                 filename = fullpath;
1685         }
1686
1687         string const disp_fn(MakeDisplayPath(filename));
1688
1689         // if the file doesn't exist, let the user create one
1690         FileInfo const f(filename, true);
1691         if (!f.exist()) {
1692                 if (!Alert::askQuestion(_("No such file"), disp_fn,
1693                         _("Start a new document with this filename ?"))) {
1694                         owner->message(_("Canceled"));
1695                         return;
1696                 }
1697                 // the user specifically chose this name. Believe them.
1698                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1699                 view()->buffer(buffer);
1700                 return;
1701         }
1702
1703         ostringstream str;
1704 #if USE_BOOST_FORMAT
1705         str << boost::format(_("Opening document %1$s...")) % disp_fn;
1706 #else
1707         str << _("Opening document ") << disp_fn << _("...");
1708 #endif
1709
1710         owner->message(STRCONV(str.str()));
1711
1712         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1713         ostringstream str2;
1714         if (openbuf) {
1715                 view()->buffer(openbuf);
1716 #if USE_BOOST_FORMAT
1717                 str2 << boost::format(_("Document %1$s opened.")) % disp_fn;
1718 #else
1719                 str2 << _("Document ") << disp_fn << _(" opened.");
1720 #endif
1721         } else {
1722 #if USE_BOOST_FORMAT
1723                 str2 << boost::format(_("Could not open document %1$s"))
1724                         % disp_fn;
1725 #else
1726                 str2 << _("Could not open document ") << disp_fn;
1727 #endif
1728         }
1729         owner->message(STRCONV(str2.str()));
1730 }
1731
1732
1733 void LyXFunc::doImport(string const & argument)
1734 {
1735         string format;
1736         string filename = split(argument, format, ' ');
1737
1738         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1739                             << " file: " << filename << endl;
1740
1741         // need user interaction
1742         if (filename.empty()) {
1743                 string initpath = lyxrc.document_path;
1744
1745                 if (view()->available()) {
1746                         string const trypath = owner->buffer()->filePath();
1747                         // If directory is writeable, use this as default.
1748                         if (IsDirWriteable(trypath))
1749                                 initpath = trypath;
1750                 }
1751
1752 #if USE_BOOST_FORMAT
1753                 boost::format fmt(_("Select %1$s file to import"));
1754                 fmt % formats.prettyName(format);
1755                 string const text = fmt.str();
1756 #else
1757                 string const text = _("Select ") + formats.prettyName(format)
1758                         + _(" file to import");;
1759 #endif
1760
1761                 FileDialog fileDlg(owner, text,
1762                         LFUN_IMPORT,
1763                         make_pair(string(_("Documents|#o#O")),
1764                                   string(lyxrc.document_path)),
1765                         make_pair(string(_("Examples|#E#e")),
1766                                   string(AddPath(system_lyxdir, "examples"))));
1767
1768                 string const extension = "*." + formats.extension(format)
1769                         + "| " + formats.prettyName(format)
1770                         + " (*." + formats.extension(format) + ')';
1771
1772                 FileDialog::Result result = fileDlg.open(initpath,
1773                                                            extension);
1774
1775                 if (result.first == FileDialog::Later)
1776                         return;
1777
1778                 filename = result.second;
1779
1780                 // check selected filename
1781                 if (filename.empty())
1782                         owner->message(_("Canceled."));
1783         }
1784
1785         if (filename.empty())
1786                 return;
1787
1788         // get absolute path of file
1789         filename = MakeAbsPath(filename);
1790
1791         string const lyxfile = ChangeExtension(filename, ".lyx");
1792
1793         // Check if the document already is open
1794         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1795                 switch (Alert::askConfirmation(_("Document is already open:"),
1796                                         MakeDisplayPath(lyxfile, 50),
1797                                         _("Do you want to close that document now?\n"
1798                                           "('No' will just switch to the open version)")))
1799                         {
1800                         case 1:
1801                                 // If close is canceled, we cancel here too.
1802                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1803                                         return;
1804                                 break;
1805                         case 2:
1806                                 view()->buffer(bufferlist.getBuffer(lyxfile));
1807                                 return;
1808                         case 3:
1809                                 owner->message(_("Canceled."));
1810                                 return;
1811                         }
1812         }
1813
1814         // if the file exists already, and we didn't do
1815         // -i lyx thefile.lyx, warn
1816         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1817                 if (!Alert::askQuestion(_("A document by the name"),
1818                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1819                         owner->message(_("Canceled"));
1820                         return;
1821                 }
1822         }
1823
1824         Importer::Import(owner, filename, format);
1825 }
1826
1827
1828 void LyXFunc::reloadBuffer()
1829 {
1830         string const fn = owner->buffer()->fileName();
1831         if (bufferlist.close(owner->buffer()))
1832                 view()->buffer(bufferlist.loadLyXFile(fn));
1833 }
1834
1835
1836 void LyXFunc::closeBuffer()
1837 {
1838         if (bufferlist.close(owner->buffer()) && !quitting) {
1839                 if (bufferlist.empty()) {
1840                         // need this otherwise SEGV may occur while trying to
1841                         // set variables that don't exist
1842                         // since there's no current buffer
1843                         owner->getDialogs().hideBufferDependent();
1844                 } else {
1845                         view()->buffer(bufferlist.first());
1846                 }
1847         }
1848 }
1849
1850
1851 // Each "owner" should have it's own message method. lyxview and
1852 // the minibuffer would use the minibuffer, but lyxserver would
1853 // send an ERROR signal to its client.  Alejandro 970603
1854 // This func is bit problematic when it comes to NLS, to make the
1855 // lyx servers client be language indepenent we must not translate
1856 // strings sent to this func.
1857 void LyXFunc::setErrorMessage(string const & m) const
1858 {
1859         dispatch_buffer = m;
1860         errorstat = true;
1861 }
1862
1863
1864 void LyXFunc::setMessage(string const & m) const
1865 {
1866         dispatch_buffer = m;
1867 }
1868
1869
1870 void LyXFunc::setStatusMessage(string const & m) const
1871 {
1872         status_buffer = m;
1873 }
1874
1875
1876 string const LyXFunc::view_status_message()
1877 {
1878         // When meta-fake key is pressed, show the key sequence so far + "M-".
1879         if (wasMetaKey()) {
1880                 return keyseq.print() + "M-";
1881         }
1882
1883         // Else, when a non-complete key sequence is pressed,
1884         // show the available options.
1885         if (keyseq.length() > 0 && !keyseq.deleted()) {
1886                 return keyseq.printOptions();
1887         }
1888
1889         if (!view()->available())
1890                 return _("Welcome to LyX!");
1891
1892         return currentState(view());
1893 }
1894
1895
1896 BufferView * LyXFunc::view() const
1897 {
1898         lyx::Assert(owner);
1899         return owner->view().get();
1900 }