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/inseturl.h"
  49 #include "insets/insetlatexaccent.h"
  50 #include "insets/insettoc.h"
  51 #include "insets/insetref.h"
  52 #include "insets/insetparent.h"
  53 #include "insets/insetindex.h"
  54 #include "insets/insetinclude.h"
  55 #include "insets/insetbib.h"
  56 #include "insets/insetcite.h"
  57 #include "insets/insettext.h"
  58 #include "insets/insetert.h"
  59 #include "insets/insetexternal.h"
  60 #include "insets/insetgraphics.h"
  61 #include "insets/insetfoot.h"
  62 #include "insets/insetmarginal.h"
  63 #include "insets/insetminipage.h"
  64 #include "insets/insetfloat.h"
  65 #if 0
  66 #include "insets/insetlist.h"
  67 #include "insets/insettheorem.h"
  68 #endif
  69 #include "insets/insettabular.h"
  70 #include "insets/insetcaption.h"
  71
  72 #include "mathed/formulamacro.h"
  73 #include "mathed/math_cursor.h"
  74 #include "mathed/math_inset.h"
  75
  76 #include "frontends/FileDialog.h"
  77 #include "frontends/Dialogs.h"
  78 #include "frontends/Toolbar.h"
  79 #include "frontends/Menubar.h"
  80 #include "frontends/Alert.h"
  81
  82 #include "graphics/GraphicsCache.h"
  83
  84 #include "support/lyxalgo.h"
  85 #include "support/LAssert.h"
  86 #include "support/filetools.h"
  87 #include "support/FileInfo.h"
  88 #include "support/forkedcontr.h"
  89 #include "support/lstrings.h"
  90 #include "support/path.h"
  91 #include "support/lyxfunctional.h"
  92
  93 #include <ctime>
  94 #include <clocale>
  95 #include <cstdlib>
  96 #include <cctype>
  97
  98 #include <utility>
  99 #include <algorithm>
 100
 101 using std::pair;
 102 using std::make_pair;
 103 using std::endl;
 104 using std::find_if;
 105 using std::vector;
 106 using std::transform;
 107 using std::back_inserter;
 108
 109 extern BufferList bufferlist;
 110 extern LyXServer * lyxserver;
 111 extern bool selection_possible;
 112
 113 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 114
 115 // (alkis)
 116 extern tex_accent_struct get_accent(kb_action action);
 117
 118 extern void ShowLatexLog();
 119
 120
 121 LyXFunc::LyXFunc(LyXView * o)
 122         : owner(o),
 123         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 124         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get())
 125 {
 126         meta_fake_bit = key_modifier::none;
 127         lyx_dead_action = LFUN_NOACTION;
 128         lyx_calling_dead_action = LFUN_NOACTION;
 129 }
 130
 131
 132 inline
 133 LyXText * LyXFunc::TEXT(bool flag = true) const
 134 {
 135         if (flag)
 136                 return view()->text;
 137         return view()->getLyXText();
 138 }
 139
 140
 141 inline
 142 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 143 {
 144         if (selecting || TEXT(flag)->selection.mark()) {
 145                 TEXT(flag)->setSelection(view());
 146                 if (TEXT(flag)->bv_owner)
 147                     view()->toggleToggle();
 148         }
 149         view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 150         view()->showCursor();
 151
 152         view()->switchKeyMap();
 153 }
 154
 155
 156 void LyXFunc::handleKeyFunc(kb_action action)
 157 {
 158         char c = keyseq.getLastKeyEncoded();
 159
 160         if (keyseq.length() > 1) {
 161                 c = 0;
 162         }
 163
 164         owner->getIntl().getTransManager()
 165                 .deadkey(c, get_accent(action).accent, TEXT(false));
 166         // Need to clear, in case the minibuffer calls these
 167         // actions
 168         keyseq.clear();
 169         // copied verbatim from do_accent_char
 170         view()->update(TEXT(false),
 171                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 172         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 173 }
 174
 175
 176 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 177                             key_modifier::state state)
 178 {
 179         string argument;
 180
 181         if (lyxerr.debugging(Debug::KEY)) {
 182                 lyxerr << "KeySym is "
 183                        << keysym->getSymbolName()
 184                        << endl;
 185         }
 186         // Do nothing if we have nothing (JMarc)
 187         if (!keysym->isOK()) {
 188                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 189                                    << endl;
 190                 return;
 191         }
 192
 193         if (keysym->isModifier()) {
 194                 return;
 195         }
 196
 197         // Do a one-deep top-level lookup for
 198         // cancel and meta-fake keys. RVDK_PATCH_5
 199         cancel_meta_seq.reset();
 200
 201         int action = cancel_meta_seq.addkey(keysym, state);
 202         if (lyxerr.debugging(Debug::KEY)) {
 203                 lyxerr << "action first set to [" << action << "]" << endl;
 204         }
 205
 206         // When not cancel or meta-fake, do the normal lookup.
 207         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 208         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 209         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 210                 // remove Caps Lock and Mod2 as a modifiers
 211                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 212                 lyxerr[Debug::KEY] << "action now set to ["
 213                         << action << "]" << endl;
 214         }
 215
 216         // Dont remove this unless you know what you are doing.
 217         meta_fake_bit = key_modifier::none;
 218
 219         // can this happen now ?
 220         if (action == LFUN_NOACTION) {
 221                 action = LFUN_PREFIX;
 222         }
 223
 224         if (lyxerr.debugging(Debug::KEY)) {
 225                 lyxerr << "Key [action="
 226                        << action << "]["
 227                        << keyseq.print() << "]"
 228                        << endl;
 229         }
 230
 231         // already here we know if it any point in going further
 232         // why not return already here if action == -1 and
 233         // num_bytes == 0? (Lgb)
 234
 235         if (keyseq.length() > 1) {
 236                 owner->message(keyseq.print());
 237         }
 238
 239         if (action == LFUN_UNKNOWN_ACTION) {
 240                 // It is unknown, but what if we remove all
 241                 // the modifiers? (Lgb)
 242                 action = keyseq.addkey(keysym, key_modifier::none);
 243
 244                 lyxerr[Debug::KEY] << "Removing modifiers...\n"
 245                         << "Action now set to ["
 246                         << action << "]" << endl;
 247
 248                 if (action == LFUN_UNKNOWN_ACTION) {
 249                         owner->message(_("Unknown function."));
 250                         return;
 251                 }
 252         }
 253
 254         if (action == LFUN_SELFINSERT) {
 255                 char c = keysym->getISOEncoded();
 256                 string argument;
 257
 258                 if (c != 0)
 259                         argument = c;
 260
 261                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, argument));
 262                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 263                                    << argument << "']" << endl;
 264         } else {
 265                 dispatch(action);
 266         }
 267 }
 268
 269
 270 FuncStatus LyXFunc::getStatus(int ac) const
 271 {
 272         return getStatus(lyxaction.retrieveActionArg(ac));
 273 }
 274
 275
 276 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 277 {
 278         FuncStatus flag;
 279         Buffer * buf = owner->buffer();
 280
 281         if (ev.action == LFUN_NOACTION) {
 282                 setStatusMessage(N_("Nothing to do"));
 283                 return flag.disabled(true);
 284         }
 285
 286         if (ev.action == LFUN_UNKNOWN_ACTION) {
 287                 setStatusMessage(N_("Unknown action"));
 288                 return flag.unknown(true);
 289         }
 290
 291         // the default error message if we disable the command
 292         setStatusMessage(N_("Command disabled"));
 293
 294         // Check whether we need a buffer
 295         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 296                 // Yes we need a buffer, do we have one?
 297                 if (buf) {
 298                         // yes
 299                         // Can we use a readonly buffer?
 300                         if (buf->isReadonly() &&
 301                             !lyxaction.funcHasFlag(ev.action,
 302                                                    LyXAction::ReadOnly)) {
 303                                 // no
 304                                 setStatusMessage(N_("Document is read-only"));
 305                                 flag.disabled(true);
 306                         }
 307                 } else {
 308                         // no
 309                         setStatusMessage(N_("Command not allowed with"
 310                                            "out any document open"));
 311                         return flag.disabled(true);
 312                 }
 313         }
 314
 315         UpdatableInset * tli = view()->theLockingInset();
 316
 317         // I would really like to avoid having this switch and rather try to
 318         // encode this in the function itself.
 319         bool disable = false;
 320         switch (ev.action) {
 321         case LFUN_MENUPRINT:
 322                 disable = !Exporter::IsExportable(buf, "dvi")
 323                         || lyxrc.print_command == "none";
 324                 break;
 325         case LFUN_EXPORT:
 326                 disable = ev.argument == "fax" &&
 327                         !Exporter::IsExportable(buf, ev.argument);
 328                 break;
 329         case LFUN_UNDO:
 330                 disable = buf->undostack.empty();
 331                 break;
 332         case LFUN_REDO:
 333                 disable = buf->redostack.empty();
 334                 break;
 335 #ifndef HAVE_LIBAIKSAURUS
 336         case LFUN_THESAURUS_ENTRY:
 337                 disable = true;
 338                 break;
 339 #endif
 340         case LFUN_RUNCHKTEX:
 341                 disable = lyxrc.chktex_command == "none";
 342                 break;
 343         case LFUN_BUILDPROG:
 344                 disable = !Exporter::IsExportable(buf, "program");
 345                 break;
 346
 347         case LFUN_LAYOUT_CHARACTER:
 348                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 349                 break;
 350
 351         case LFUN_LAYOUT_TABULAR:
 352                 disable = !tli
 353                         || (tli->lyxCode() != Inset::TABULAR_CODE
 354                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 355                 break;
 356
 357         case LFUN_LAYOUT:
 358         case LFUN_LAYOUT_PARAGRAPH: {
 359                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 360                 disable = inset && inset->forceDefaultParagraphs(inset);
 361                 break;
 362         }
 363
 364         case LFUN_INSET_OPTARG:
 365                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
 366                 break;
 367
 368         case LFUN_TABULAR_FEATURE:
 369                 if (mathcursor) {
 370 #if 0
 371                         // FIXME: check temporarily disabled
 372                         // valign code
 373                         char align = mathcursor->valign();
 374                         if (align == '\0') {
 375                                 disable = true;
 376                                 break;
 377                         }
 378                         if (ev.argument.empty()) {
 379                                 flag.clear();
 380                                 break;
 381                         }
 382                         if (!contains("tcb", ev.argument[0])) {
 383                                 disable = true;
 384                                 break;
 385                         }
 386                         flag.setOnOff(ev.argument[0] == align);
 387                 } else
 388                         disable = true;
 389
 390                         char align = mathcursor->halign();
 391                         if (align == '\0') {
 392                                 disable = true;
 393                                 break;
 394                         }
 395                         if (ev.argument.empty()) {
 396                                 flag.clear();
 397                                 break;
 398                         }
 399                         if (!contains("lcr", ev.argument[0])) {
 400                                 disable = true;
 401                                 break;
 402                         }
 403                         flag.setOnOff(ev.argument[0] == align);
 404 #endif
 405
 406                         disable = !mathcursor->halign();
 407                         break;
 408                 }
 409
 410                 if (tli) {
 411                         FuncStatus ret;
 412                         //ret.disabled(true);
 413                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 414                                 ret = static_cast<InsetTabular *>(tli)
 415                                         ->getStatus(ev.argument);
 416                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 417                                 ret = static_cast<InsetTabular *>
 418                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 419                                         ->getStatus(ev.argument);
 420                         }
 421                         flag |= ret;
 422                         disable = false;
 423                 } else {
 424                         static InsetTabular inset(*owner->buffer(), 1, 1);
 425                         FuncStatus ret;
 426
 427                         disable = true;
 428                         ret = inset.getStatus(ev.argument);
 429                         if (ret.onoff(true) || ret.onoff(false))
 430                                 flag.setOnOff(false);
 431                 }
 432                 break;
 433
 434         case LFUN_VC_REGISTER:
 435                 disable = buf->lyxvc.inUse();
 436                 break;
 437         case LFUN_VC_CHECKIN:
 438                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 439                 break;
 440         case LFUN_VC_CHECKOUT:
 441                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 442                 break;
 443         case LFUN_VC_REVERT:
 444         case LFUN_VC_UNDO:
 445         case LFUN_VC_HISTORY:
 446                 disable = !buf->lyxvc.inUse();
 447                 break;
 448         case LFUN_BOOKMARK_GOTO:
 449                 disable =  !view()->
 450                         isSavedPosition(strToUnsignedInt(ev.argument));
 451                 break;
 452         case LFUN_INSET_TOGGLE: {
 453                 LyXText * lt = view()->getLyXText();
 454                 disable = !(isEditableInset(lt->getInset())
 455                             || (lt->inset_owner
 456                                 && lt->inset_owner->owner()
 457                                 && lt->inset_owner->owner()->isOpen()));
 458                 break;
 459         }
 460         case LFUN_LATEX_LOG:
 461                 disable = !IsFileReadable(buf->getLogName().second);
 462                 break;
 463
 464         case LFUN_MATH_MUTATE:
 465                 if (mathcursor)
 466                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 467                         flag.setOnOff(false);
 468                 else
 469                         disable = true;
 470                 break;
 471
 472         // we just need to be in math mode to enable that
 473         case LFUN_MATH_SIZE:
 474         case LFUN_MATH_SPACE:
 475         case LFUN_MATH_LIMITS:
 476         case LFUN_MATH_NONUMBER:
 477         case LFUN_MATH_NUMBER:
 478         case LFUN_MATH_EXTERN:
 479                 disable = !mathcursor;
 480                 break;
 481
 482         default:
 483                 break;
 484         }
 485
 486         // the functions which insert insets
 487         Inset::Code code = Inset::NO_CODE;
 488         switch (ev.action) {
 489         case LFUN_INSET_ERT:
 490                 code = Inset::ERT_CODE;
 491                 break;
 492         case LFUN_INSET_GRAPHICS:
 493                 code = Inset::GRAPHICS_CODE;
 494                 break;
 495         case LFUN_INSET_FOOTNOTE:
 496                 code = Inset::FOOT_CODE;
 497                 break;
 498         case LFUN_TABULAR_INSERT:
 499                 code = Inset::TABULAR_CODE;
 500                 break;
 501         case LFUN_INSET_EXTERNAL:
 502                 code = Inset::EXTERNAL_CODE;
 503                 break;
 504         case LFUN_INSET_MARGINAL:
 505                 code = Inset::MARGIN_CODE;
 506                 break;
 507         case LFUN_INSET_MINIPAGE:
 508                 code = Inset::MINIPAGE_CODE;
 509                 break;
 510         case LFUN_INSET_FLOAT:
 511         case LFUN_INSET_WIDE_FLOAT:
 512                 code = Inset::FLOAT_CODE;
 513                 break;
 514         case LFUN_FLOAT_LIST:
 515                 code = Inset::FLOAT_LIST_CODE;
 516                 break;
 517 #if 0
 518         case LFUN_INSET_LIST:
 519                 code = Inset::LIST_CODE;
 520                 break;
 521         case LFUN_INSET_THEOREM:
 522                 code = Inset::THEOREM_CODE;
 523                 break;
 524 #endif
 525         case LFUN_INSET_CAPTION:
 526                 code = Inset::CAPTION_CODE;
 527                 break;
 528         case LFUN_INSERT_NOTE:
 529                 code = Inset::NOTE_CODE;
 530                 break;
 531         case LFUN_INSERT_LABEL:
 532                 code = Inset::LABEL_CODE;
 533                 break;
 534         case LFUN_INSET_OPTARG:
 535                 code = Inset::OPTARG_CODE;
 536                 break;
 537         case LFUN_REF_INSERT:
 538                 code = Inset::REF_CODE;
 539                 break;
 540         case LFUN_CITATION_CREATE:
 541         case LFUN_CITATION_INSERT:
 542                 code = Inset::CITE_CODE;
 543                 break;
 544         case LFUN_INSERT_BIBTEX:
 545                 code = Inset::BIBTEX_CODE;
 546                 break;
 547         case LFUN_INDEX_INSERT:
 548                 code = Inset::INDEX_CODE;
 549                 break;
 550         case LFUN_INDEX_PRINT:
 551                 code = Inset::INDEX_PRINT_CODE;
 552                 break;
 553         case LFUN_CHILD_INSERT:
 554                 code = Inset::INCLUDE_CODE;
 555                 break;
 556         case LFUN_TOC_INSERT:
 557                 code = Inset::TOC_CODE;
 558                 break;
 559         case LFUN_PARENTINSERT:
 560                 code = Inset::PARENT_CODE;
 561                 break;
 562         case LFUN_HTMLURL:
 563         case LFUN_URL:
 564         case LFUN_INSERT_URL:
 565                 code = Inset::URL_CODE;
 566                 break;
 567         case LFUN_QUOTE:
 568                 // always allow this, since we will inset a raw quote
 569                 // if an inset is not allowed.
 570                 break;
 571         case LFUN_HYPHENATION:
 572         case LFUN_LIGATURE_BREAK:
 573         case LFUN_HFILL:
 574         case LFUN_MENU_SEPARATOR:
 575         case LFUN_LDOTS:
 576         case LFUN_END_OF_SENTENCE:
 577                 code = Inset::SPECIALCHAR_CODE;
 578                 break;
 579         case LFUN_PROTECTEDSPACE:
 580                 // slight hack: we know this is allowed in math mode
 581                 if (!mathcursor)
 582                         code = Inset::SPECIALCHAR_CODE;
 583                 break;
 584         default:
 585                 break;
 586         }
 587         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 588                 disable = true;
 589
 590         if (disable)
 591                 flag.disabled(true);
 592
 593         // A few general toggles
 594         switch (ev.action) {
 595         case LFUN_TOOLTIPS_TOGGLE:
 596                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 597                 break;
 598
 599         case LFUN_READ_ONLY_TOGGLE:
 600                 flag.setOnOff(buf->isReadonly());
 601                 break;
 602         case LFUN_APPENDIX:
 603                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 604                 break;
 605         case LFUN_SWITCHBUFFER:
 606                 // toggle on the current buffer, but do not toggle off
 607                 // the other ones (is that a good idea?)
 608                 if (ev.argument == buf->fileName())
 609                         flag.setOnOff(true);
 610                 break;
 611         default:
 612                 break;
 613         }
 614
 615         // the font related toggles
 616         if (!mathcursor) {
 617                 LyXFont const & font = TEXT(false)->real_current_font;
 618                 switch (ev.action) {
 619                 case LFUN_EMPH:
 620                         flag.setOnOff(font.emph() == LyXFont::ON);
 621                         break;
 622                 case LFUN_NOUN:
 623                         flag.setOnOff(font.noun() == LyXFont::ON);
 624                         break;
 625                 case LFUN_BOLD:
 626                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 627                         break;
 628                 case LFUN_SANS:
 629                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 630                         break;
 631                 case LFUN_ROMAN:
 632                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 633                         break;
 634                 case LFUN_CODE:
 635                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 636                         break;
 637                 default:
 638                         break;
 639                 }
 640         } else {
 641                 string tc = mathcursor->getLastCode();
 642                 switch (ev.action) {
 643                 case LFUN_BOLD:
 644                         flag.setOnOff(tc == "mathbf");
 645                         break;
 646                 case LFUN_SANS:
 647                         flag.setOnOff(tc == "mathsf");
 648                         break;
 649                 case LFUN_EMPH:
 650                         flag.setOnOff(tc == "mathcal");
 651                         break;
 652                 case LFUN_ROMAN:
 653                         flag.setOnOff(tc == "mathrm");
 654                         break;
 655                 case LFUN_CODE:
 656                         flag.setOnOff(tc == "mathtt");
 657                         break;
 658                 case LFUN_NOUN:
 659                         flag.setOnOff(tc == "mathbb");
 660                         break;
 661                 case LFUN_DEFAULT:
 662                         flag.setOnOff(tc == "mathnormal");
 663                         break;
 664                 default:
 665                         break;
 666                 }
 667         }
 668
 669         // this one is difficult to get right. As a half-baked
 670         // solution, we consider only the first action of the sequence
 671         if (ev.action == LFUN_SEQUENCE) {
 672                 // argument contains ';'-terminated commands
 673                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 674         }
 675
 676         return flag;
 677 }
 678
 679
 680 void LyXFunc::dispatch(string const & s, bool verbose)
 681 {
 682         int const action = lyxaction.LookupFunc(s);
 683
 684         if (action == LFUN_UNKNOWN_ACTION) {
 685                 string const msg = string(_("Unknown function ("))
 686                         + s + ")";
 687                 owner->message(msg);
 688                 return;
 689         }
 690
 691         dispatch(action, verbose);
 692 }
 693
 694
 695 void LyXFunc::dispatch(int ac, bool verbose)
 696 {
 697         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 698 }
 699
 700
 701
 702 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 703 {
 704         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 705                               <<"] arg[" << ev.argument << "]" << endl;
 706
 707         // we have not done anything wrong yet.
 708         errorstat = false;
 709         dispatch_buffer.erase();
 710
 711 #ifdef NEW_DISPATCHER
 712         // We try do call the most specific dispatcher first:
 713         //  1. the lockinginset's dispatch
 714         //  2. the bufferview's dispatch
 715         //  3. the lyxview's dispatch
 716 #endif
 717
 718         selection_possible = false;
 719
 720         if (view()->available())
 721                 view()->hideCursor();
 722
 723         string argument = ev.argument;
 724         kb_action action = ev.action;
 725
 726         // We cannot use this function here
 727         if (getStatus(ev).disabled()) {
 728                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 729                        << lyxaction.getActionName(action)
 730                        << " [" << action << "] is disabled at this location"
 731                        << endl;
 732                 setErrorMessage(getStatusMessage());
 733                 goto exit_with_message;
 734         }
 735
 736         if (view()->available() && view()->theLockingInset()) {
 737                 Inset::RESULT result;
 738                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 739                                      (!keyseq.deleted())))
 740                 {
 741                         UpdatableInset * inset = view()->theLockingInset();
 742 #if 1
 743                         int inset_x;
 744                         int dummy_y;
 745                         inset->getCursorPos(view(), inset_x, dummy_y);
 746 #endif
 747                         if ((action == LFUN_UNKNOWN_ACTION)
 748                             && argument.empty()) {
 749                                 argument = keyseq.getLastKeyEncoded();
 750                         }
 751                         // Undo/Redo is a bit tricky for insets.
 752                         if (action == LFUN_UNDO) {
 753                                 view()->menuUndo();
 754                                 goto exit_with_message;
 755                         } else if (action == LFUN_REDO) {
 756                                 view()->menuRedo();
 757                                 goto exit_with_message;
 758                         } else if (((result=inset->
 759                                      // Hand-over to inset's own dispatch:
 760                                      localDispatch(FuncRequest(view(), action, argument))) ==
 761                                     UpdatableInset::DISPATCHED) ||
 762                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 763                                 goto exit_with_message;
 764                                         // If UNDISPATCHED, just soldier on
 765                         else if (result == UpdatableInset::FINISHED) {
 766                                 goto exit_with_message;
 767                                 // We do not need special RTL handling here:
 768                                 // FINISHED means that the cursor should be
 769                                 // one position after the inset.
 770                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 771                                 TEXT()->cursorRight(view());
 772                                 moveCursorUpdate(true, false);
 773                                 owner->view_state_changed();
 774                                 goto exit_with_message;
 775                         } else if (result == UpdatableInset::FINISHED_UP) {
 776                                 if (TEXT()->cursor.irow()->previous()) {
 777 #if 1
 778                                         TEXT()->setCursorFromCoordinates(
 779                                                 view(), TEXT()->cursor.ix() + inset_x,
 780                                                 TEXT()->cursor.iy() -
 781                                                 TEXT()->cursor.irow()->baseline() - 1);
 782                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 783 #else
 784                                         TEXT()->cursorUp(view());
 785 #endif
 786                                         moveCursorUpdate(true, false);
 787                                         owner->view_state_changed();
 788                                 } else {
 789                                         view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 790                                 }
 791                                 goto exit_with_message;
 792                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 793                                 if (TEXT()->cursor.irow()->next()) {
 794 #if 1
 795                                         TEXT()->setCursorFromCoordinates(
 796                                                 view(), TEXT()->cursor.ix() + inset_x,
 797                                                 TEXT()->cursor.iy() -
 798                                                 TEXT()->cursor.irow()->baseline() +
 799                                                 TEXT()->cursor.irow()->height() + 1);
 800                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 801 #else
 802                                         TEXT()->cursorDown(view());
 803 #endif
 804                                 } else {
 805                                         TEXT()->cursorRight(view());
 806                                 }
 807                                 moveCursorUpdate(true, false);
 808                                 owner->view_state_changed();
 809                                 goto exit_with_message;
 810                         }
 811 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 812                         else { // result == UNDISPATCHED
 813                                 //setMessage(N_("Text mode"));
 814                                 switch (action) {
 815                                 case LFUN_UNKNOWN_ACTION:
 816                                 case LFUN_BREAKPARAGRAPH:
 817                                 case LFUN_BREAKLINE:
 818                                         TEXT()->cursorRight(view());
 819                                         view()->switchKeyMap();
 820                                         owner->view_state_changed();
 821                                         break;
 822                                 case LFUN_RIGHT:
 823                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 824                                                 TEXT()->cursorRight(view());
 825                                                 moveCursorUpdate(true, false);
 826                                                 owner->view_state_changed();
 827                                         }
 828                                         goto exit_with_message;
 829                                 case LFUN_LEFT:
 830                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 831                                                 TEXT()->cursorRight(view());
 832                                                 moveCursorUpdate(true, false);
 833                                                 owner->view_state_changed();
 834                                         }
 835                                         goto exit_with_message;
 836                                 case LFUN_DOWN:
 837                                         if (TEXT()->cursor.row()->next())
 838                                                 TEXT()->cursorDown(view());
 839                                         else
 840                                                 TEXT()->cursorRight(view());
 841                                         moveCursorUpdate(true, false);
 842                                         owner->view_state_changed();
 843                                         goto exit_with_message;
 844                                 default:
 845                                         break;
 846                                 }
 847                         }
 848                 }
 849         }
 850
 851         switch (action) {
 852
 853         case LFUN_ESCAPE:
 854         {
 855                 if (!view()->available()) break;
 856                 // this function should be used always [asierra060396]
 857                 UpdatableInset * tli =
 858                         view()->theLockingInset();
 859                 if (tli) {
 860                         UpdatableInset * lock = tli->getLockingInset();
 861
 862                         if (tli == lock) {
 863                                 view()->unlockInset(tli);
 864                                 TEXT()->cursorRight(view());
 865                                 moveCursorUpdate(true, false);
 866                                 owner->view_state_changed();
 867                         } else {
 868                                 tli->unlockInsetInInset(view(),
 869                                                         lock,
 870                                                         true);
 871                         }
 872                         finishUndo();
 873                         // Tell the paragraph dialog that we changed paragraph
 874                         owner->getDialogs().updateParagraph();
 875                 }
 876         }
 877         break;
 878
 879                 // --- Misc -------------------------------------------
 880         case LFUN_WORDFINDFORWARD  :
 881         case LFUN_WORDFINDBACKWARD : {
 882                 static string last_search;
 883                 string searched_string;
 884
 885                 if (!argument.empty()) {
 886                         last_search = argument;
 887                         searched_string = argument;
 888                 } else {
 889                         searched_string = last_search;
 890                 }
 891                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 892                 if (!searched_string.empty()) {
 893                         lyxfind::LyXFind(view(), searched_string, fw);
 894                 }
 895 //              view()->showCursor();
 896         }
 897         break;
 898
 899         case LFUN_PREFIX:
 900         {
 901                 if (view()->available() && !view()->theLockingInset()) {
 902                         view()->update(TEXT(),
 903                                               BufferView::SELECT|BufferView::FITCUR);
 904                 }
 905                 owner->message(keyseq.printOptions());
 906         }
 907         break;
 908
 909         // --- Misc -------------------------------------------
 910         case LFUN_EXEC_COMMAND:
 911                 owner->focus_command_buffer();
 912                 break;
 913
 914         case LFUN_CANCEL:                   // RVDK_PATCH_5
 915                 keyseq.reset();
 916                 meta_fake_bit = key_modifier::none;
 917                 if (view()->available())
 918                         // cancel any selection
 919                         dispatch(LFUN_MARK_OFF);
 920                 setMessage(N_("Cancel"));
 921                 break;
 922
 923         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 924         {
 925                 meta_fake_bit = key_modifier::alt;
 926                 setMessage(keyseq.print());
 927         }
 928         break;
 929
 930         case LFUN_READ_ONLY_TOGGLE:
 931                 if (owner->buffer()->lyxvc.inUse()) {
 932                         owner->buffer()->lyxvc.toggleReadOnly();
 933                 } else {
 934                         owner->buffer()->setReadonly(
 935                                 !owner->buffer()->isReadonly());
 936                 }
 937                 break;
 938
 939         case LFUN_CENTER: // this is center and redraw.
 940                 view()->center();
 941                 break;
 942
 943                 // --- Menus -----------------------------------------------
 944         case LFUN_MENUNEW:
 945                 menuNew(argument, false);
 946                 break;
 947
 948         case LFUN_MENUNEWTMPLT:
 949                 menuNew(argument, true);
 950                 break;
 951
 952         case LFUN_CLOSEBUFFER:
 953                 closeBuffer();
 954                 break;
 955
 956         case LFUN_MENUWRITE:
 957                 if (!owner->buffer()->isUnnamed()) {
 958                         ostringstream s1;
 959                         s1 << _("Saving document") << ' '
 960                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
 961                         owner->message(s1.str().c_str());
 962                         MenuWrite(view(), owner->buffer());
 963                         s1 << _(" done.");
 964                         owner->message(s1.str().c_str());
 965                 } else
 966                         WriteAs(view(), owner->buffer());
 967                 break;
 968
 969         case LFUN_WRITEAS:
 970                 WriteAs(view(), owner->buffer(), argument);
 971                 break;
 972
 973         case LFUN_MENURELOAD:
 974                 reloadBuffer();
 975                 break;
 976
 977         case LFUN_UPDATE:
 978                 Exporter::Export(owner->buffer(), argument, true);
 979                 break;
 980
 981         case LFUN_PREVIEW:
 982                 Exporter::Preview(owner->buffer(), argument);
 983                 break;
 984
 985         case LFUN_BUILDPROG:
 986                 Exporter::Export(owner->buffer(), "program", true);
 987                 break;
 988
 989         case LFUN_RUNCHKTEX:
 990                 MenuRunChktex(owner->buffer());
 991                 break;
 992
 993         case LFUN_MENUPRINT:
 994                 owner->getDialogs().showPrint();
 995                 break;
 996
 997         case LFUN_EXPORT:
 998                 if (argument == "custom")
 999                         owner->getDialogs().showSendto();
1000                 else
1001                         Exporter::Export(owner->buffer(), argument, false);
1002                 break;
1003
1004         case LFUN_IMPORT:
1005                 doImport(argument);
1006                 break;
1007
1008         case LFUN_QUIT:
1009                 QuitLyX();
1010                 break;
1011
1012         case LFUN_TOCVIEW:
1013 #if 0
1014         case LFUN_LOFVIEW:
1015         case LFUN_LOTVIEW:
1016         case LFUN_LOAVIEW:
1017 #endif
1018         {
1019                 InsetCommandParams p;
1020
1021 #if 0
1022                 if (action == LFUN_TOCVIEW)
1023 #endif
1024                         p.setCmdName("tableofcontents");
1025 #if 0
1026                 else if (action == LFUN_LOAVIEW)
1027                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1028                 else if (action == LFUN_LOFVIEW)
1029                         p.setCmdName("listoffigures");
1030                 else
1031                         p.setCmdName("listoftables");
1032 #endif
1033                 owner->getDialogs().createTOC(p.getAsString());
1034                 break;
1035         }
1036
1037         case LFUN_AUTOSAVE:
1038                 AutoSave(view());
1039                 break;
1040
1041         case LFUN_UNDO:
1042                 view()->menuUndo();
1043                 break;
1044
1045         case LFUN_REDO:
1046                 view()->menuRedo();
1047                 break;
1048
1049         case LFUN_MENUSEARCH:
1050                 owner->getDialogs().showSearch();
1051                 break;
1052
1053         case LFUN_REMOVEERRORS:
1054                 if (view()->removeAutoInsets()) {
1055 #warning repaint() or update() or nothing ?
1056                         view()->repaint();
1057                         view()->fitCursor();
1058                 }
1059                 break;
1060
1061         case LFUN_DEPTH_MIN:
1062                 changeDepth(view(), TEXT(false), -1);
1063                 break;
1064
1065         case LFUN_DEPTH_PLUS:
1066                 changeDepth(view(), TEXT(false), 1);
1067                 break;
1068
1069         case LFUN_FREE:
1070                 owner->getDialogs().setUserFreeFont();
1071                 break;
1072
1073         case LFUN_RECONFIGURE:
1074                 Reconfigure(view());
1075                 break;
1076
1077 #if 0
1078         case LFUN_FLOATSOPERATE:
1079                 if (argument == "openfoot")
1080                         view()->allFloats(1,0);
1081                 else if (argument == "closefoot")
1082                         view()->allFloats(0,0);
1083                 else if (argument == "openfig")
1084                         view()->allFloats(1,1);
1085                 else if (argument == "closefig")
1086                         view()->allFloats(0,1);
1087                 break;
1088 #else
1089 #ifdef WITH_WARNINGS
1090 //#warning Find another implementation here (or another lyxfunc)!
1091 #endif
1092 #endif
1093         case LFUN_HELP_ABOUTLYX:
1094                 owner->getDialogs().showAboutlyx();
1095                 break;
1096
1097         case LFUN_HELP_TEXINFO:
1098                 owner->getDialogs().showTexinfo();
1099                 break;
1100
1101         case LFUN_HELP_OPEN:
1102         {
1103                 string const arg = argument;
1104                 if (arg.empty()) {
1105                         setErrorMessage(N_("Missing argument"));
1106                         break;
1107                 }
1108                 owner->prohibitInput();
1109                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1110                 if (fname.empty()) {
1111                         lyxerr << "LyX: unable to find documentation file `"
1112                                << arg << "'. Bad installation?" << endl;
1113                         owner->allowInput();
1114                         break;
1115                 }
1116                 ostringstream str;
1117                 str << _("Opening help file") << ' '
1118                     << MakeDisplayPath(fname) << "...";
1119                 owner->message(str.str().c_str());
1120                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1121                 owner->allowInput();
1122                 break;
1123         }
1124
1125                 // --- version control -------------------------------
1126         case LFUN_VC_REGISTER:
1127         {
1128                 if (!owner->buffer()->lyxvc.inUse())
1129                         owner->buffer()->lyxvc.registrer();
1130         }
1131         break;
1132
1133         case LFUN_VC_CHECKIN:
1134         {
1135                 if (owner->buffer()->lyxvc.inUse()
1136                     && !owner->buffer()->isReadonly())
1137                         owner->buffer()->lyxvc.checkIn();
1138         }
1139         break;
1140
1141         case LFUN_VC_CHECKOUT:
1142         {
1143                 if (owner->buffer()->lyxvc.inUse()
1144                     && owner->buffer()->isReadonly())
1145                         owner->buffer()->lyxvc.checkOut();
1146         }
1147         break;
1148
1149         case LFUN_VC_REVERT:
1150         {
1151                 owner->buffer()->lyxvc.revert();
1152         }
1153         break;
1154
1155         case LFUN_VC_UNDO:
1156         {
1157                 owner->buffer()->lyxvc.undoLast();
1158         }
1159         break;
1160
1161         case LFUN_VC_HISTORY:
1162         {
1163                 owner->getDialogs().showVCLogFile();
1164                 break;
1165         }
1166
1167         // --- buffers ----------------------------------------
1168
1169         case LFUN_SWITCHBUFFER:
1170                 view()->buffer(bufferlist.getBuffer(argument));
1171                 break;
1172
1173         case LFUN_FILE_NEW:
1174         {
1175                 // servercmd: argument must be <file>:<template>
1176                 Buffer * tmpbuf = NewFile(argument);
1177                 if (tmpbuf)
1178                         view()->buffer(tmpbuf);
1179         }
1180         break;
1181
1182         case LFUN_FILE_OPEN:
1183                 open(argument);
1184                 break;
1185
1186         case LFUN_LATEX_LOG:
1187                 owner->getDialogs().showLogFile();
1188                 break;
1189
1190         case LFUN_LAYOUT_DOCUMENT:
1191                 owner->getDialogs().showDocument();
1192                 break;
1193
1194         case LFUN_LAYOUT_PARAGRAPH:
1195                 owner->getDialogs().showParagraph();
1196                 break;
1197
1198         case LFUN_LAYOUT_CHARACTER:
1199                 owner->getDialogs().showCharacter();
1200                 break;
1201
1202         case LFUN_LAYOUT_TABULAR:
1203             if (view()->theLockingInset()) {
1204                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1205                     InsetTabular * inset = static_cast<InsetTabular *>
1206                         (view()->theLockingInset());
1207                     inset->openLayoutDialog(view());
1208                 } else if (view()->theLockingInset()->
1209                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1210                     InsetTabular * inset = static_cast<InsetTabular *>(
1211                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1212                     inset->openLayoutDialog(view());
1213                 }
1214             }
1215             break;
1216
1217         case LFUN_LAYOUT_PREAMBLE:
1218                 owner->getDialogs().showPreamble();
1219                 break;
1220
1221         case LFUN_DROP_LAYOUTS_CHOICE:
1222                 owner->getToolbar().openLayoutList();
1223                 break;
1224
1225         case LFUN_MENU_OPEN_BY_NAME:
1226                 owner->getMenubar().openByName(argument);
1227                 break; // RVDK_PATCH_5
1228
1229         case LFUN_SPELLCHECK:
1230                 owner->getDialogs().showSpellchecker();
1231                 break;
1232
1233         // --- lyxserver commands ----------------------------
1234
1235
1236         case LFUN_GETNAME:
1237                 setMessage(owner->buffer()->fileName());
1238                 lyxerr[Debug::INFO] << "FNAME["
1239                                << owner->buffer()->fileName()
1240                                << "] " << endl;
1241                 break;
1242
1243         case LFUN_NOTIFY:
1244         {
1245                 dispatch_buffer = keyseq.print();
1246                 lyxserver->notifyClient(dispatch_buffer);
1247         }
1248         break;
1249
1250         case LFUN_GOTOFILEROW:
1251         {
1252                 string file_name;
1253                 int row;
1254                 istringstream istr(argument.c_str());
1255                 istr >> file_name >> row;
1256                 // Must replace extension of the file to be .lyx and get full path
1257                 string const s(ChangeExtension(file_name, ".lyx"));
1258
1259                 // Either change buffer or load the file
1260                 if (bufferlist.exists(s)) {
1261                         view()->buffer(bufferlist.getBuffer(s));
1262                 } else {
1263                         view()->buffer(bufferlist.loadLyXFile(s));
1264                 }
1265
1266                 view()->setCursorFromRow(row);
1267
1268                 view()->center();
1269                 // see BufferView_pimpl::center()
1270                 view()->updateScrollbar();
1271         }
1272         break;
1273
1274         case LFUN_GOTO_PARAGRAPH:
1275         {
1276                 istringstream istr(argument.c_str());
1277
1278                 int id;
1279                 istr >> id;
1280                 Paragraph * par = owner->buffer()->getParFromID(id);
1281                 if (par == 0) {
1282                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1283                                             << id << "]" << endl;
1284                         break;
1285                 } else {
1286                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1287                                             << " found." << endl;
1288                 }
1289
1290                 if (view()->theLockingInset())
1291                         view()->unlockInset(view()->theLockingInset());
1292                 if (par->inInset()) {
1293                         par->inInset()->edit(view());
1294                 }
1295                 // Set the cursor
1296                 view()->getLyXText()->setCursor(view(), par, 0);
1297                 view()->switchKeyMap();
1298                 owner->view_state_changed();
1299
1300                 view()->center();
1301                 // see BufferView_pimpl::center()
1302                 view()->updateScrollbar();
1303         }
1304         break;
1305
1306         case LFUN_APROPOS:
1307         case LFUN_GETTIP:
1308         {
1309                 int const qa = lyxaction.LookupFunc(argument);
1310                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1311         }
1312         break;
1313
1314         // --- insert characters ----------------------------------------
1315
1316         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1317         case LFUN_MATH_EXTERN:
1318         case LFUN_MATH_NUMBER:
1319         case LFUN_MATH_NONUMBER:
1320         case LFUN_MATH_LIMITS:
1321         {
1322                 setErrorMessage(N_("This is only allowed in math mode!"));
1323         }
1324         break;
1325
1326         // passthrough hat and underscore outside mathed:
1327         case LFUN_SUBSCRIPT:
1328                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1329                 break;
1330         case LFUN_SUPERSCRIPT:
1331                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1332                 break;
1333
1334         case LFUN_MATH_PANEL:
1335                 owner->getDialogs().showMathPanel();
1336                 break;
1337
1338         case LFUN_CITATION_CREATE:
1339         {
1340                 InsetCommandParams p("cite");
1341
1342                 if (!argument.empty()) {
1343                         // This should be set at source, ie when typing
1344                         // "citation-insert foo" in the minibuffer.
1345                         // Question: would pybibliographer also need to be
1346                         // changed. Suspect so. Leave as-is therefore.
1347                         if (contains(argument, "|")) {
1348                                 p.setContents(token(argument, '|', 0));
1349                                 p.setOptions(token(argument, '|', 1));
1350                         } else {
1351                                 p.setContents(argument);
1352                         }
1353                         dispatch(FuncRequest(view(), LFUN_CITATION_INSERT, p.getAsString()));
1354                 } else
1355                         owner->getDialogs().createCitation(p.getAsString());
1356         }
1357         break;
1358
1359         case LFUN_CHILDOPEN:
1360         {
1361                 string const filename =
1362                         MakeAbsPath(argument,
1363                                     owner->buffer()->filePath());
1364                 setMessage(N_("Opening child document ") +
1365                            MakeDisplayPath(filename) + "...");
1366                 view()->savePosition(0);
1367                 if (bufferlist.exists(filename))
1368                         view()->buffer(bufferlist.getBuffer(filename));
1369                 else
1370                         view()->buffer(bufferlist.loadLyXFile(filename));
1371         }
1372         break;
1373
1374         case LFUN_TOGGLECURSORFOLLOW:
1375                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1376                 break;
1377
1378         case LFUN_KMAP_OFF:             // keymap off
1379                 owner->getIntl().KeyMapOn(false);
1380                 break;
1381
1382         case LFUN_KMAP_PRIM:    // primary keymap
1383                 owner->getIntl().KeyMapPrim();
1384                 break;
1385
1386         case LFUN_KMAP_SEC:             // secondary keymap
1387                 owner->getIntl().KeyMapSec();
1388                 break;
1389
1390         case LFUN_KMAP_TOGGLE:  // toggle keymap
1391                 owner->getIntl().ToggleKeyMap();
1392                 break;
1393
1394         case LFUN_SEQUENCE:
1395         {
1396                 // argument contains ';'-terminated commands
1397                 while (!argument.empty()) {
1398                         string first;
1399                         argument = split(argument, first, ';');
1400                         dispatch(first);
1401                 }
1402         }
1403         break;
1404
1405         case LFUN_DIALOG_PREFERENCES:
1406                 owner->getDialogs().showPreferences();
1407                 break;
1408
1409         case LFUN_SAVEPREFERENCES:
1410         {
1411                 Path p(user_lyxdir);
1412                 lyxrc.write("preferences");
1413         }
1414         break;
1415
1416         case LFUN_SCREEN_FONT_UPDATE:
1417         {
1418                 // handle the screen font changes.
1419                 lyxrc.set_font_norm_type();
1420                 lyx_gui::update_fonts();
1421                 // We also need to empty the textcache so that
1422                 // the buffer will be formatted correctly after
1423                 // a zoom change.
1424                 textcache.clear();
1425                 // Of course we should only do the resize and the textcache.clear
1426                 // if values really changed...but not very important right now. (Lgb)
1427                 // All visible buffers will need resize
1428                 view()->resize();
1429                 view()->repaint();
1430         }
1431         break;
1432
1433         case LFUN_SET_COLOR:
1434         {
1435                 string lyx_name;
1436                 string const x11_name = split(argument, lyx_name, ' ');
1437                 if (lyx_name.empty() || x11_name.empty()) {
1438                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1439                                                 " <x11_name>"));
1440                         break;
1441                         }
1442
1443                 bool const graphicsbg_changed =
1444                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1445                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1446
1447                 if (!lcolor.setColor(lyx_name, x11_name)) {
1448                         static string const err1 (N_("Set-color \""));
1449                         static string const err2 (
1450                                 N_("\" failed - color is undefined "
1451                                    "or may not be redefined"));
1452                         setErrorMessage(_(err1) + lyx_name + _(err2));
1453                         break;
1454                 }
1455
1456                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1457
1458                 if (graphicsbg_changed) {
1459 #ifdef WITH_WARNINGS
1460 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1461 #endif
1462 #if 0
1463                         grfx::GCache & gc = grfx::GCache::get();
1464                         gc.changeDisplay(true);
1465 #endif
1466                 }
1467
1468                 view()->repaint();
1469                 break;
1470         }
1471
1472         case LFUN_MESSAGE:
1473                 owner->message(argument);
1474                 break;
1475
1476         case LFUN_FORKS_SHOW:
1477                 owner->getDialogs().showForks();
1478                 break;
1479
1480         case LFUN_FORKS_KILL:
1481         {
1482                 if (!isStrInt(argument))
1483                         break;
1484
1485                 pid_t const pid = strToInt(argument);
1486                 ForkedcallsController & fcc = ForkedcallsController::get();
1487                 fcc.kill(pid);
1488                 break;
1489         }
1490
1491         case LFUN_TOOLTIPS_TOGGLE:
1492                 owner->getDialogs().toggleTooltips();
1493                 break;
1494
1495         default:
1496                 // Then if it was none of the above
1497                 // Trying the BufferView::pimpl dispatch:
1498                 if (!view()->dispatch(ev))
1499                         lyxerr << "A truly unknown func ["
1500                                << lyxaction.getActionName(ev.action) << "]!"
1501                                << endl;
1502                 break;
1503         } // end of switch
1504
1505 exit_with_message:
1506         sendDispatchMessage(getMessage(), ev, verbose);
1507 }
1508
1509
1510 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1511 {
1512         owner->updateMenubar();
1513         owner->updateToolbar();
1514
1515         if (ev.action == LFUN_SELFINSERT || !verbose) {
1516                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1517                 if (!msg.empty())
1518                         owner->message(msg);
1519                 return;
1520         }
1521
1522         string dispatch_msg = msg;
1523         if (!dispatch_msg.empty())
1524                 dispatch_msg += " ";
1525
1526         string comname = lyxaction.getActionName(ev.action);
1527
1528         int pseudoaction = ev.action;
1529         bool argsadded = false;
1530
1531         if (!ev.argument.empty()) {
1532                 // the pseudoaction is useful for the bindings
1533                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1534
1535                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1536                         pseudoaction = ev.action;
1537                 } else {
1538                         comname += " " + ev.argument;
1539                         argsadded = true;
1540                 }
1541         }
1542
1543         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1544
1545         if (!shortcuts.empty()) {
1546                 comname += ": " + shortcuts;
1547         } else if (!argsadded && !ev.argument.empty()) {
1548                 comname += " " + ev.argument;
1549         }
1550
1551         if (!comname.empty()) {
1552                 comname = rtrim(comname);
1553                 dispatch_msg += "(" + comname + ')';
1554         }
1555
1556         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1557         if (!dispatch_msg.empty())
1558                 owner->message(dispatch_msg);
1559 }
1560
1561
1562 void LyXFunc::setupLocalKeymap()
1563 {
1564         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1565         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1566 }
1567
1568
1569 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1570 {
1571         string initpath = lyxrc.document_path;
1572         string filename(name);
1573
1574         if (view()->available()) {
1575                 string const trypath = owner->buffer()->filePath();
1576                 // If directory is writeable, use this as default.
1577                 if (IsDirWriteable(trypath))
1578                         initpath = trypath;
1579         }
1580
1581         static int newfile_number;
1582
1583         if (filename.empty()) {
1584                 filename = AddName(lyxrc.document_path,
1585                             "newfile" + tostr(++newfile_number) + ".lyx");
1586                 FileInfo fi(filename);
1587                 while (bufferlist.exists(filename) || fi.readable()) {
1588                         ++newfile_number;
1589                         filename = AddName(lyxrc.document_path,
1590                                     "newfile" + tostr(newfile_number) +
1591                                     ".lyx");
1592                         fi.newFile(filename);
1593                 }
1594         }
1595
1596         // The template stuff
1597         string templname;
1598         if (fromTemplate) {
1599                 FileDialog fileDlg(owner, _("Select template file"),
1600                         LFUN_SELECT_FILE_SYNC,
1601                         make_pair(string(_("Documents|#o#O")),
1602                                   string(lyxrc.document_path)),
1603                         make_pair(string(_("Templates|#T#t")),
1604                                   string(lyxrc.template_path)));
1605
1606                 FileDialog::Result result =
1607                         fileDlg.Select(lyxrc.template_path,
1608                                        _("*.lyx|LyX Documents (*.lyx)"));
1609
1610                 if (result.first == FileDialog::Later)
1611                         return;
1612
1613                 string const fname = result.second;
1614
1615                 if (fname.empty())
1616                         return;
1617                 templname = fname;
1618         }
1619
1620         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1621 }
1622
1623
1624 void LyXFunc::open(string const & fname)
1625 {
1626         string initpath = lyxrc.document_path;
1627
1628         if (view()->available()) {
1629                 string const trypath = owner->buffer()->filePath();
1630                 // If directory is writeable, use this as default.
1631                 if (IsDirWriteable(trypath))
1632                         initpath = trypath;
1633         }
1634
1635         string filename;
1636
1637         if (fname.empty()) {
1638                 FileDialog fileDlg(owner, _("Select document to open"),
1639                         LFUN_FILE_OPEN,
1640                         make_pair(string(_("Documents|#o#O")),
1641                                   string(lyxrc.document_path)),
1642                         make_pair(string(_("Examples|#E#e")),
1643                                   string(AddPath(system_lyxdir, "examples"))));
1644
1645                 FileDialog::Result result =
1646                         fileDlg.Select(initpath,
1647                                        "*.lyx|LyX Documents (*.lyx)");
1648
1649                 if (result.first == FileDialog::Later)
1650                         return;
1651
1652                 filename = result.second;
1653
1654                 // check selected filename
1655                 if (filename.empty()) {
1656                         owner->message(_("Canceled."));
1657                         return;
1658                 }
1659         } else
1660                 filename = fname;
1661
1662         // get absolute path of file and add ".lyx" to the filename if
1663         // necessary
1664         string const fullpath = FileSearch(string(), filename, "lyx");
1665         if (!fullpath.empty()) {
1666                 filename = fullpath;
1667         }
1668
1669         string const disp_fn(MakeDisplayPath(filename));
1670
1671         // if the file doesn't exist, let the user create one
1672         FileInfo const f(filename, true);
1673         if (!f.exist()) {
1674                 if (!Alert::askQuestion(_("No such file"), disp_fn,
1675                         _("Start a new document with this filename ?"))) {
1676                         owner->message(_("Canceled"));
1677                         return;
1678                 }
1679                 // the user specifically chose this name. Believe them.
1680                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1681                 view()->buffer(buffer);
1682                 return;
1683         }
1684
1685         ostringstream str;
1686         str << _("Opening document") << ' ' << disp_fn << "...";
1687
1688         owner->message(str.str().c_str());
1689
1690         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1691         if (openbuf) {
1692                 view()->buffer(openbuf);
1693                 ostringstream str;
1694                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1695                 owner->message(str.str().c_str());
1696         } else {
1697                 ostringstream str;
1698                 str << _("Could not open document") << ' ' << disp_fn;
1699                 owner->message(str.str().c_str());
1700         }
1701 }
1702
1703
1704 void LyXFunc::doImport(string const & argument)
1705 {
1706         string format;
1707         string filename = split(argument, format, ' ');
1708
1709         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1710                             << " file: " << filename << endl;
1711
1712         // need user interaction
1713         if (filename.empty()) {
1714                 string initpath = lyxrc.document_path;
1715
1716                 if (view()->available()) {
1717                         string const trypath = owner->buffer()->filePath();
1718                         // If directory is writeable, use this as default.
1719                         if (IsDirWriteable(trypath))
1720                                 initpath = trypath;
1721                 }
1722
1723                 string const text = _("Select ") + formats.prettyName(format)
1724                         + _(" file to import");
1725
1726                 FileDialog fileDlg(owner, text,
1727                         LFUN_IMPORT,
1728                         make_pair(string(_("Documents|#o#O")),
1729                                   string(lyxrc.document_path)),
1730                         make_pair(string(_("Examples|#E#e")),
1731                                   string(AddPath(system_lyxdir, "examples"))));
1732
1733                 string const extension = "*." + formats.extension(format)
1734                         + "| " + formats.prettyName(format)
1735                         + " (*." + formats.extension(format) + ")";
1736
1737                 FileDialog::Result result = fileDlg.Select(initpath,
1738                                                            extension);
1739
1740                 if (result.first == FileDialog::Later)
1741                         return;
1742
1743                 filename = result.second;
1744
1745                 // check selected filename
1746                 if (filename.empty())
1747                         owner->message(_("Canceled."));
1748         }
1749
1750         if (filename.empty())
1751                 return;
1752
1753         // get absolute path of file
1754         filename = MakeAbsPath(filename);
1755
1756         string const lyxfile = ChangeExtension(filename, ".lyx");
1757
1758         // Check if the document already is open
1759         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1760                 switch (Alert::askConfirmation(_("Document is already open:"),
1761                                         MakeDisplayPath(lyxfile, 50),
1762                                         _("Do you want to close that document now?\n"
1763                                           "('No' will just switch to the open version)")))
1764                         {
1765                         case 1:
1766                                 // If close is canceled, we cancel here too.
1767                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1768                                         return;
1769                                 break;
1770                         case 2:
1771                                 view()->buffer(bufferlist.getBuffer(lyxfile));
1772                                 return;
1773                         case 3:
1774                                 owner->message(_("Canceled."));
1775                                 return;
1776                         }
1777         }
1778
1779         // if the file exists already, and we didn't do
1780         // -i lyx thefile.lyx, warn
1781         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1782                 if (!Alert::askQuestion(_("A document by the name"),
1783                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1784                         owner->message(_("Canceled"));
1785                         return;
1786                 }
1787         }
1788
1789         Importer::Import(owner, filename, format);
1790 }
1791
1792
1793 void LyXFunc::reloadBuffer()
1794 {
1795         string const fn = owner->buffer()->fileName();
1796         if (bufferlist.close(owner->buffer()))
1797                 view()->buffer(bufferlist.loadLyXFile(fn));
1798 }
1799
1800
1801 void LyXFunc::closeBuffer()
1802 {
1803         if (bufferlist.close(owner->buffer()) && !quitting) {
1804                 if (bufferlist.empty()) {
1805                         // need this otherwise SEGV may occur while trying to
1806                         // set variables that don't exist
1807                         // since there's no current buffer
1808                         owner->getDialogs().hideBufferDependent();
1809                 } else {
1810                         view()->buffer(bufferlist.first());
1811                 }
1812         }
1813 }
1814
1815
1816 // Each "owner" should have it's own message method. lyxview and
1817 // the minibuffer would use the minibuffer, but lyxserver would
1818 // send an ERROR signal to its client.  Alejandro 970603
1819 // This func is bit problematic when it comes to NLS, to make the
1820 // lyx servers client be language indepenent we must not translate
1821 // strings sent to this func.
1822 void LyXFunc::setErrorMessage(string const & m) const
1823 {
1824         dispatch_buffer = m;
1825         errorstat = true;
1826 }
1827
1828
1829 void LyXFunc::setMessage(string const & m) const
1830 {
1831         dispatch_buffer = m;
1832 }
1833
1834
1835 void LyXFunc::setStatusMessage(string const & m) const
1836 {
1837         status_buffer = m;
1838 }
1839
1840
1841 string const LyXFunc::view_status_message()
1842 {
1843         // When meta-fake key is pressed, show the key sequence so far + "M-".
1844         if (wasMetaKey()) {
1845                 return keyseq.print() + "M-";
1846         }
1847
1848         // Else, when a non-complete key sequence is pressed,
1849         // show the available options.
1850         if (keyseq.length() > 0 && !keyseq.deleted()) {
1851                 return keyseq.printOptions();
1852         }
1853
1854         if (!view()->available())
1855                 return _("Welcome to LyX!");
1856
1857         return currentState(view());
1858 }
1859
1860
1861 BufferView * LyXFunc::view() const
1862 {
1863         lyx::Assert(owner);
1864         return owner->view().get();
1865 }