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
 187         // Do nothing if we have nothing (JMarc)
 188         if (!keysym->isOK()) {
 189                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 190                                    << endl;
 191                 return;
 192         }
 193
 194         if (keysym->isModifier()) {
 195                 return;
 196         }
 197
 198         // Do a one-deep top-level lookup for
 199         // cancel and meta-fake keys. RVDK_PATCH_5
 200         cancel_meta_seq.reset();
 201
 202         int action = cancel_meta_seq.addkey(keysym, state);
 203         lyxerr[Debug::KEY] << "action first set to [" << action << "]" << endl;
 204
 205         // When not cancel or meta-fake, do the normal lookup.
 206         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 207         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 208         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 209                 // remove Caps Lock and Mod2 as a modifiers
 210                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 211                 lyxerr[Debug::KEY] << "action now set to ["
 212                         << action << "]" << endl;
 213         }
 214
 215         // Dont remove this unless you know what you are doing.
 216         meta_fake_bit = key_modifier::none;
 217
 218         // can this happen now ?
 219         if (action == LFUN_NOACTION) {
 220                 action = LFUN_PREFIX;
 221         }
 222
 223         if (lyxerr.debugging(Debug::KEY)) {
 224                 lyxerr << "Key [action="
 225                        << action << "]["
 226                        << keyseq.print() << "]"
 227                        << endl;
 228         }
 229
 230         // already here we know if it any point in going further
 231         // why not return already here if action == -1 and
 232         // num_bytes == 0? (Lgb)
 233
 234         if (keyseq.length() > 1) {
 235                 owner->message(keyseq.print());
 236         }
 237
 238         if (action == LFUN_UNKNOWN_ACTION) {
 239                 // It is unknown, but what if we remove all
 240                 // the modifiers? (Lgb)
 241                 action = keyseq.addkey(keysym, key_modifier::none);
 242
 243                 lyxerr[Debug::KEY] << "Removing modifiers...\n"
 244                         << "Action now set to ["
 245                         << action << "]" << endl;
 246
 247                 if (action == LFUN_UNKNOWN_ACTION) {
 248                         owner->message(_("Unknown function."));
 249                         return;
 250                 }
 251         }
 252
 253         if (action == LFUN_SELFINSERT) {
 254                 char c = keysym->getISOEncoded();
 255                 string argument;
 256
 257                 if (c != 0)
 258                         argument = c;
 259
 260                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, argument));
 261                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 262                                    << argument << "']" << endl;
 263         } else {
 264                 dispatch(action);
 265         }
 266 }
 267
 268
 269 FuncStatus LyXFunc::getStatus(int ac) const
 270 {
 271         return getStatus(lyxaction.retrieveActionArg(ac));
 272 }
 273
 274
 275 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 276 {
 277         FuncStatus flag;
 278         Buffer * buf = owner->buffer();
 279
 280         if (ev.action == LFUN_NOACTION) {
 281                 setStatusMessage(N_("Nothing to do"));
 282                 return flag.disabled(true);
 283         }
 284
 285         if (ev.action == LFUN_UNKNOWN_ACTION) {
 286                 setStatusMessage(N_("Unknown action"));
 287                 return flag.unknown(true);
 288         }
 289
 290         // the default error message if we disable the command
 291         setStatusMessage(N_("Command disabled"));
 292
 293         // Check whether we need a buffer
 294         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 295                 // Yes we need a buffer, do we have one?
 296                 if (buf) {
 297                         // yes
 298                         // Can we use a readonly buffer?
 299                         if (buf->isReadonly() &&
 300                             !lyxaction.funcHasFlag(ev.action,
 301                                                    LyXAction::ReadOnly)) {
 302                                 // no
 303                                 setStatusMessage(N_("Document is read-only"));
 304                                 flag.disabled(true);
 305                         }
 306                 } else {
 307                         // no
 308                         setStatusMessage(N_("Command not allowed with"
 309                                            "out any document open"));
 310                         return flag.disabled(true);
 311                 }
 312         }
 313
 314         UpdatableInset * tli = view()->theLockingInset();
 315
 316         // I would really like to avoid having this switch and rather try to
 317         // encode this in the function itself.
 318         bool disable = false;
 319         switch (ev.action) {
 320         case LFUN_MENUPRINT:
 321                 disable = !Exporter::IsExportable(buf, "dvi")
 322                         || lyxrc.print_command == "none";
 323                 break;
 324         case LFUN_EXPORT:
 325                 disable = ev.argument == "fax" &&
 326                         !Exporter::IsExportable(buf, ev.argument);
 327                 break;
 328         case LFUN_UNDO:
 329                 disable = buf->undostack.empty();
 330                 break;
 331         case LFUN_REDO:
 332                 disable = buf->redostack.empty();
 333                 break;
 334         case LFUN_CUT:
 335         case LFUN_COPY:
 336                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 337                 break;
 338 #ifndef HAVE_LIBAIKSAURUS
 339         case LFUN_THESAURUS_ENTRY:
 340                 disable = true;
 341                 break;
 342 #endif
 343         case LFUN_RUNCHKTEX:
 344                 disable = lyxrc.chktex_command == "none";
 345                 break;
 346         case LFUN_BUILDPROG:
 347                 disable = !Exporter::IsExportable(buf, "program");
 348                 break;
 349
 350         case LFUN_LAYOUT_CHARACTER:
 351                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 352                 break;
 353
 354         case LFUN_LAYOUT_TABULAR:
 355                 disable = !tli
 356                         || (tli->lyxCode() != Inset::TABULAR_CODE
 357                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 358                 break;
 359
 360         case LFUN_LAYOUT:
 361         case LFUN_LAYOUT_PARAGRAPH: {
 362                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 363                 disable = inset && inset->forceDefaultParagraphs(inset);
 364                 break;
 365         }
 366
 367         case LFUN_INSET_OPTARG:
 368                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
 369                 break;
 370
 371         case LFUN_TABULAR_FEATURE:
 372                 if (mathcursor) {
 373 #if 0
 374                         // FIXME: check temporarily disabled
 375                         // valign code
 376                         char align = mathcursor->valign();
 377                         if (align == '\0') {
 378                                 disable = true;
 379                                 break;
 380                         }
 381                         if (ev.argument.empty()) {
 382                                 flag.clear();
 383                                 break;
 384                         }
 385                         if (!contains("tcb", ev.argument[0])) {
 386                                 disable = true;
 387                                 break;
 388                         }
 389                         flag.setOnOff(ev.argument[0] == align);
 390                 } else
 391                         disable = true;
 392
 393                         char align = mathcursor->halign();
 394                         if (align == '\0') {
 395                                 disable = true;
 396                                 break;
 397                         }
 398                         if (ev.argument.empty()) {
 399                                 flag.clear();
 400                                 break;
 401                         }
 402                         if (!contains("lcr", ev.argument[0])) {
 403                                 disable = true;
 404                                 break;
 405                         }
 406                         flag.setOnOff(ev.argument[0] == align);
 407 #endif
 408
 409                         disable = !mathcursor->halign();
 410                         break;
 411                 }
 412
 413                 if (tli) {
 414                         FuncStatus ret;
 415                         //ret.disabled(true);
 416                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 417                                 ret = static_cast<InsetTabular *>(tli)
 418                                         ->getStatus(ev.argument);
 419                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 420                                 ret = static_cast<InsetTabular *>
 421                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 422                                         ->getStatus(ev.argument);
 423                         }
 424                         flag |= ret;
 425                         disable = false;
 426                 } else {
 427                         static InsetTabular inset(*owner->buffer(), 1, 1);
 428                         FuncStatus ret;
 429
 430                         disable = true;
 431                         ret = inset.getStatus(ev.argument);
 432                         if (ret.onoff(true) || ret.onoff(false))
 433                                 flag.setOnOff(false);
 434                 }
 435                 break;
 436
 437         case LFUN_VC_REGISTER:
 438                 disable = buf->lyxvc.inUse();
 439                 break;
 440         case LFUN_VC_CHECKIN:
 441                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 442                 break;
 443         case LFUN_VC_CHECKOUT:
 444                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 445                 break;
 446         case LFUN_VC_REVERT:
 447         case LFUN_VC_UNDO:
 448         case LFUN_VC_HISTORY:
 449                 disable = !buf->lyxvc.inUse();
 450                 break;
 451         case LFUN_BOOKMARK_GOTO:
 452                 disable =  !view()->
 453                         isSavedPosition(strToUnsignedInt(ev.argument));
 454                 break;
 455         case LFUN_INSET_TOGGLE: {
 456                 LyXText * lt = view()->getLyXText();
 457                 disable = !(isEditableInset(lt->getInset())
 458                             || (lt->inset_owner
 459                                 && lt->inset_owner->owner()
 460                                 && lt->inset_owner->owner()->isOpen()));
 461                 break;
 462         }
 463         case LFUN_LATEX_LOG:
 464                 disable = !IsFileReadable(buf->getLogName().second);
 465                 break;
 466
 467         case LFUN_MATH_MUTATE:
 468                 if (mathcursor)
 469                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 470                         flag.setOnOff(false);
 471                 else
 472                         disable = true;
 473                 break;
 474
 475         // we just need to be in math mode to enable that
 476         case LFUN_MATH_SIZE:
 477         case LFUN_MATH_SPACE:
 478         case LFUN_MATH_LIMITS:
 479         case LFUN_MATH_NONUMBER:
 480         case LFUN_MATH_NUMBER:
 481         case LFUN_MATH_EXTERN:
 482                 disable = !mathcursor;
 483                 break;
 484
 485         default:
 486                 break;
 487         }
 488
 489         // the functions which insert insets
 490         Inset::Code code = Inset::NO_CODE;
 491         switch (ev.action) {
 492         case LFUN_INSET_ERT:
 493                 code = Inset::ERT_CODE;
 494                 break;
 495         case LFUN_INSET_GRAPHICS:
 496                 code = Inset::GRAPHICS_CODE;
 497                 break;
 498         case LFUN_INSET_FOOTNOTE:
 499                 code = Inset::FOOT_CODE;
 500                 break;
 501         case LFUN_TABULAR_INSERT:
 502                 code = Inset::TABULAR_CODE;
 503                 break;
 504         case LFUN_INSET_EXTERNAL:
 505                 code = Inset::EXTERNAL_CODE;
 506                 break;
 507         case LFUN_INSET_MARGINAL:
 508                 code = Inset::MARGIN_CODE;
 509                 break;
 510         case LFUN_INSET_MINIPAGE:
 511                 code = Inset::MINIPAGE_CODE;
 512                 break;
 513         case LFUN_INSET_FLOAT:
 514         case LFUN_INSET_WIDE_FLOAT:
 515                 code = Inset::FLOAT_CODE;
 516                 break;
 517         case LFUN_FLOAT_LIST:
 518                 code = Inset::FLOAT_LIST_CODE;
 519                 break;
 520 #if 0
 521         case LFUN_INSET_LIST:
 522                 code = Inset::LIST_CODE;
 523                 break;
 524         case LFUN_INSET_THEOREM:
 525                 code = Inset::THEOREM_CODE;
 526                 break;
 527 #endif
 528         case LFUN_INSET_CAPTION:
 529                 code = Inset::CAPTION_CODE;
 530                 break;
 531         case LFUN_INSERT_NOTE:
 532                 code = Inset::NOTE_CODE;
 533                 break;
 534         case LFUN_INSERT_LABEL:
 535                 code = Inset::LABEL_CODE;
 536                 break;
 537         case LFUN_INSET_OPTARG:
 538                 code = Inset::OPTARG_CODE;
 539                 break;
 540         case LFUN_REF_INSERT:
 541                 code = Inset::REF_CODE;
 542                 break;
 543         case LFUN_CITATION_CREATE:
 544         case LFUN_CITATION_INSERT:
 545                 code = Inset::CITE_CODE;
 546                 break;
 547         case LFUN_INSERT_BIBTEX:
 548                 code = Inset::BIBTEX_CODE;
 549                 break;
 550         case LFUN_INDEX_INSERT:
 551                 code = Inset::INDEX_CODE;
 552                 break;
 553         case LFUN_INDEX_PRINT:
 554                 code = Inset::INDEX_PRINT_CODE;
 555                 break;
 556         case LFUN_CHILD_INSERT:
 557                 code = Inset::INCLUDE_CODE;
 558                 break;
 559         case LFUN_TOC_INSERT:
 560                 code = Inset::TOC_CODE;
 561                 break;
 562         case LFUN_PARENTINSERT:
 563                 code = Inset::PARENT_CODE;
 564                 break;
 565         case LFUN_HTMLURL:
 566         case LFUN_URL:
 567         case LFUN_INSERT_URL:
 568                 code = Inset::URL_CODE;
 569                 break;
 570         case LFUN_QUOTE:
 571                 // always allow this, since we will inset a raw quote
 572                 // if an inset is not allowed.
 573                 break;
 574         case LFUN_HYPHENATION:
 575         case LFUN_LIGATURE_BREAK:
 576         case LFUN_HFILL:
 577         case LFUN_MENU_SEPARATOR:
 578         case LFUN_LDOTS:
 579         case LFUN_END_OF_SENTENCE:
 580                 code = Inset::SPECIALCHAR_CODE;
 581                 break;
 582         case LFUN_PROTECTEDSPACE:
 583                 // slight hack: we know this is allowed in math mode
 584                 if (!mathcursor)
 585                         code = Inset::SPECIALCHAR_CODE;
 586                 break;
 587         default:
 588                 break;
 589         }
 590         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 591                 disable = true;
 592
 593         if (disable)
 594                 flag.disabled(true);
 595
 596         // A few general toggles
 597         switch (ev.action) {
 598         case LFUN_TOOLTIPS_TOGGLE:
 599                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 600                 break;
 601
 602         case LFUN_READ_ONLY_TOGGLE:
 603                 flag.setOnOff(buf->isReadonly());
 604                 break;
 605         case LFUN_APPENDIX:
 606                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 607                 break;
 608         case LFUN_SWITCHBUFFER:
 609                 // toggle on the current buffer, but do not toggle off
 610                 // the other ones (is that a good idea?)
 611                 if (ev.argument == buf->fileName())
 612                         flag.setOnOff(true);
 613                 break;
 614         default:
 615                 break;
 616         }
 617
 618         // the font related toggles
 619         if (!mathcursor) {
 620                 LyXFont const & font = TEXT(false)->real_current_font;
 621                 switch (ev.action) {
 622                 case LFUN_EMPH:
 623                         flag.setOnOff(font.emph() == LyXFont::ON);
 624                         break;
 625                 case LFUN_NOUN:
 626                         flag.setOnOff(font.noun() == LyXFont::ON);
 627                         break;
 628                 case LFUN_BOLD:
 629                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 630                         break;
 631                 case LFUN_SANS:
 632                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 633                         break;
 634                 case LFUN_ROMAN:
 635                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 636                         break;
 637                 case LFUN_CODE:
 638                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 639                         break;
 640                 default:
 641                         break;
 642                 }
 643         } else {
 644                 string tc = mathcursor->getLastCode();
 645                 switch (ev.action) {
 646                 case LFUN_BOLD:
 647                         flag.setOnOff(tc == "mathbf");
 648                         break;
 649                 case LFUN_SANS:
 650                         flag.setOnOff(tc == "mathsf");
 651                         break;
 652                 case LFUN_EMPH:
 653                         flag.setOnOff(tc == "mathcal");
 654                         break;
 655                 case LFUN_ROMAN:
 656                         flag.setOnOff(tc == "mathrm");
 657                         break;
 658                 case LFUN_CODE:
 659                         flag.setOnOff(tc == "mathtt");
 660                         break;
 661                 case LFUN_NOUN:
 662                         flag.setOnOff(tc == "mathbb");
 663                         break;
 664                 case LFUN_DEFAULT:
 665                         flag.setOnOff(tc == "mathnormal");
 666                         break;
 667                 default:
 668                         break;
 669                 }
 670         }
 671
 672         // this one is difficult to get right. As a half-baked
 673         // solution, we consider only the first action of the sequence
 674         if (ev.action == LFUN_SEQUENCE) {
 675                 // argument contains ';'-terminated commands
 676                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 677         }
 678
 679         return flag;
 680 }
 681
 682
 683 void LyXFunc::dispatch(string const & s, bool verbose)
 684 {
 685         int const action = lyxaction.LookupFunc(s);
 686
 687         if (action == LFUN_UNKNOWN_ACTION) {
 688                 string const msg = string(_("Unknown function ("))
 689                         + s + ")";
 690                 owner->message(msg);
 691                 return;
 692         }
 693
 694         dispatch(action, verbose);
 695 }
 696
 697
 698 void LyXFunc::dispatch(int ac, bool verbose)
 699 {
 700         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 701 }
 702
 703
 704
 705 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 706 {
 707         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 708                               <<"] arg[" << ev.argument << "]" << endl;
 709
 710         // we have not done anything wrong yet.
 711         errorstat = false;
 712         dispatch_buffer.erase();
 713
 714 #ifdef NEW_DISPATCHER
 715         // We try do call the most specific dispatcher first:
 716         //  1. the lockinginset's dispatch
 717         //  2. the bufferview's dispatch
 718         //  3. the lyxview's dispatch
 719 #endif
 720
 721         selection_possible = false;
 722
 723         if (view()->available())
 724                 view()->hideCursor();
 725
 726         string argument = ev.argument;
 727         kb_action action = ev.action;
 728
 729         // We cannot use this function here
 730         if (getStatus(ev).disabled()) {
 731                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 732                        << lyxaction.getActionName(action)
 733                        << " [" << action << "] is disabled at this location"
 734                        << endl;
 735                 setErrorMessage(getStatusMessage());
 736                 goto exit_with_message;
 737         }
 738
 739         if (view()->available() && view()->theLockingInset()) {
 740                 Inset::RESULT result;
 741                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 742                                      (!keyseq.deleted())))
 743                 {
 744                         UpdatableInset * inset = view()->theLockingInset();
 745 #if 1
 746                         int inset_x;
 747                         int dummy_y;
 748                         inset->getCursorPos(view(), inset_x, dummy_y);
 749 #endif
 750                         if ((action == LFUN_UNKNOWN_ACTION)
 751                             && argument.empty()) {
 752                                 argument = keyseq.getLastKeyEncoded();
 753                         }
 754                         // Undo/Redo is a bit tricky for insets.
 755                         if (action == LFUN_UNDO) {
 756                                 view()->menuUndo();
 757                                 goto exit_with_message;
 758                         } else if (action == LFUN_REDO) {
 759                                 view()->menuRedo();
 760                                 goto exit_with_message;
 761                         } else if (((result=inset->
 762                                      // Hand-over to inset's own dispatch:
 763                                      localDispatch(FuncRequest(view(), action, argument))) ==
 764                                     UpdatableInset::DISPATCHED) ||
 765                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 766                                 goto exit_with_message;
 767                                         // If UNDISPATCHED, just soldier on
 768                         else if (result == UpdatableInset::FINISHED) {
 769                                 goto exit_with_message;
 770                                 // We do not need special RTL handling here:
 771                                 // FINISHED means that the cursor should be
 772                                 // one position after the inset.
 773                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 774                                 TEXT()->cursorRight(view());
 775                                 moveCursorUpdate(true, false);
 776                                 owner->view_state_changed();
 777                                 goto exit_with_message;
 778                         } else if (result == UpdatableInset::FINISHED_UP) {
 779                                 if (TEXT()->cursor.irow()->previous()) {
 780 #if 1
 781                                         TEXT()->setCursorFromCoordinates(
 782                                                 view(), TEXT()->cursor.ix() + inset_x,
 783                                                 TEXT()->cursor.iy() -
 784                                                 TEXT()->cursor.irow()->baseline() - 1);
 785                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 786 #else
 787                                         TEXT()->cursorUp(view());
 788 #endif
 789                                         moveCursorUpdate(true, false);
 790                                         owner->view_state_changed();
 791                                 } else {
 792                                         view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 793                                 }
 794                                 goto exit_with_message;
 795                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 796                                 if (TEXT()->cursor.irow()->next()) {
 797 #if 1
 798                                         TEXT()->setCursorFromCoordinates(
 799                                                 view(), TEXT()->cursor.ix() + inset_x,
 800                                                 TEXT()->cursor.iy() -
 801                                                 TEXT()->cursor.irow()->baseline() +
 802                                                 TEXT()->cursor.irow()->height() + 1);
 803                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 804 #else
 805                                         TEXT()->cursorDown(view());
 806 #endif
 807                                 } else {
 808                                         TEXT()->cursorRight(view());
 809                                 }
 810                                 moveCursorUpdate(true, false);
 811                                 owner->view_state_changed();
 812                                 goto exit_with_message;
 813                         }
 814 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 815                         else { // result == UNDISPATCHED
 816                                 //setMessage(N_("Text mode"));
 817                                 switch (action) {
 818                                 case LFUN_UNKNOWN_ACTION:
 819                                 case LFUN_BREAKPARAGRAPH:
 820                                 case LFUN_BREAKLINE:
 821                                         TEXT()->cursorRight(view());
 822                                         view()->switchKeyMap();
 823                                         owner->view_state_changed();
 824                                         break;
 825                                 case LFUN_RIGHT:
 826                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 827                                                 TEXT()->cursorRight(view());
 828                                                 moveCursorUpdate(true, false);
 829                                                 owner->view_state_changed();
 830                                         }
 831                                         goto exit_with_message;
 832                                 case LFUN_LEFT:
 833                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 834                                                 TEXT()->cursorRight(view());
 835                                                 moveCursorUpdate(true, false);
 836                                                 owner->view_state_changed();
 837                                         }
 838                                         goto exit_with_message;
 839                                 case LFUN_DOWN:
 840                                         if (TEXT()->cursor.row()->next())
 841                                                 TEXT()->cursorDown(view());
 842                                         else
 843                                                 TEXT()->cursorRight(view());
 844                                         moveCursorUpdate(true, false);
 845                                         owner->view_state_changed();
 846                                         goto exit_with_message;
 847                                 default:
 848                                         break;
 849                                 }
 850                         }
 851                 }
 852         }
 853
 854         switch (action) {
 855
 856         case LFUN_ESCAPE:
 857         {
 858                 if (!view()->available()) break;
 859                 // this function should be used always [asierra060396]
 860                 UpdatableInset * tli =
 861                         view()->theLockingInset();
 862                 if (tli) {
 863                         UpdatableInset * lock = tli->getLockingInset();
 864
 865                         if (tli == lock) {
 866                                 view()->unlockInset(tli);
 867                                 TEXT()->cursorRight(view());
 868                                 moveCursorUpdate(true, false);
 869                                 owner->view_state_changed();
 870                         } else {
 871                                 tli->unlockInsetInInset(view(),
 872                                                         lock,
 873                                                         true);
 874                         }
 875                         finishUndo();
 876                         // Tell the paragraph dialog that we changed paragraph
 877                         owner->getDialogs().updateParagraph();
 878                 }
 879         }
 880         break;
 881
 882                 // --- Misc -------------------------------------------
 883         case LFUN_WORDFINDFORWARD  :
 884         case LFUN_WORDFINDBACKWARD : {
 885                 static string last_search;
 886                 string searched_string;
 887
 888                 if (!argument.empty()) {
 889                         last_search = argument;
 890                         searched_string = argument;
 891                 } else {
 892                         searched_string = last_search;
 893                 }
 894                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 895                 if (!searched_string.empty()) {
 896                         lyxfind::LyXFind(view(), searched_string, fw);
 897                 }
 898 //              view()->showCursor();
 899         }
 900         break;
 901
 902         case LFUN_PREFIX:
 903         {
 904                 if (view()->available() && !view()->theLockingInset()) {
 905                         view()->update(TEXT(),
 906                                               BufferView::SELECT|BufferView::FITCUR);
 907                 }
 908                 owner->message(keyseq.printOptions());
 909         }
 910         break;
 911
 912         // --- Misc -------------------------------------------
 913         case LFUN_EXEC_COMMAND:
 914                 owner->focus_command_buffer();
 915                 break;
 916
 917         case LFUN_CANCEL:                   // RVDK_PATCH_5
 918                 keyseq.reset();
 919                 meta_fake_bit = key_modifier::none;
 920                 if (view()->available())
 921                         // cancel any selection
 922                         dispatch(LFUN_MARK_OFF);
 923                 setMessage(N_("Cancel"));
 924                 break;
 925
 926         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 927         {
 928                 meta_fake_bit = key_modifier::alt;
 929                 setMessage(keyseq.print());
 930         }
 931         break;
 932
 933         case LFUN_READ_ONLY_TOGGLE:
 934                 if (owner->buffer()->lyxvc.inUse()) {
 935                         owner->buffer()->lyxvc.toggleReadOnly();
 936                 } else {
 937                         owner->buffer()->setReadonly(
 938                                 !owner->buffer()->isReadonly());
 939                 }
 940                 break;
 941
 942         case LFUN_CENTER: // this is center and redraw.
 943                 view()->center();
 944                 break;
 945
 946                 // --- Menus -----------------------------------------------
 947         case LFUN_MENUNEW:
 948                 menuNew(argument, false);
 949                 break;
 950
 951         case LFUN_MENUNEWTMPLT:
 952                 menuNew(argument, true);
 953                 break;
 954
 955         case LFUN_CLOSEBUFFER:
 956                 closeBuffer();
 957                 break;
 958
 959         case LFUN_MENUWRITE:
 960                 if (!owner->buffer()->isUnnamed()) {
 961                         ostringstream s1;
 962                         s1 << _("Saving document") << ' '
 963                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
 964                         owner->message(s1.str().c_str());
 965                         MenuWrite(view(), owner->buffer());
 966                         s1 << _(" done.");
 967                         owner->message(s1.str().c_str());
 968                 } else
 969                         WriteAs(view(), owner->buffer());
 970                 break;
 971
 972         case LFUN_WRITEAS:
 973                 WriteAs(view(), owner->buffer(), argument);
 974                 break;
 975
 976         case LFUN_MENURELOAD:
 977                 reloadBuffer();
 978                 break;
 979
 980         case LFUN_UPDATE:
 981                 Exporter::Export(owner->buffer(), argument, true);
 982                 break;
 983
 984         case LFUN_PREVIEW:
 985                 Exporter::Preview(owner->buffer(), argument);
 986                 break;
 987
 988         case LFUN_BUILDPROG:
 989                 Exporter::Export(owner->buffer(), "program", true);
 990                 break;
 991
 992         case LFUN_RUNCHKTEX:
 993                 MenuRunChktex(owner->buffer());
 994                 break;
 995
 996         case LFUN_MENUPRINT:
 997                 owner->getDialogs().showPrint();
 998                 break;
 999
1000         case LFUN_EXPORT:
1001                 if (argument == "custom")
1002                         owner->getDialogs().showSendto();
1003                 else
1004                         Exporter::Export(owner->buffer(), argument, false);
1005                 break;
1006
1007         case LFUN_IMPORT:
1008                 doImport(argument);
1009                 break;
1010
1011         case LFUN_QUIT:
1012                 QuitLyX();
1013                 break;
1014
1015         case LFUN_TOCVIEW:
1016 #if 0
1017         case LFUN_LOFVIEW:
1018         case LFUN_LOTVIEW:
1019         case LFUN_LOAVIEW:
1020 #endif
1021         {
1022                 InsetCommandParams p;
1023
1024 #if 0
1025                 if (action == LFUN_TOCVIEW)
1026 #endif
1027                         p.setCmdName("tableofcontents");
1028 #if 0
1029                 else if (action == LFUN_LOAVIEW)
1030                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1031                 else if (action == LFUN_LOFVIEW)
1032                         p.setCmdName("listoffigures");
1033                 else
1034                         p.setCmdName("listoftables");
1035 #endif
1036                 owner->getDialogs().createTOC(p.getAsString());
1037                 break;
1038         }
1039
1040         case LFUN_AUTOSAVE:
1041                 AutoSave(view());
1042                 break;
1043
1044         case LFUN_UNDO:
1045                 view()->menuUndo();
1046                 break;
1047
1048         case LFUN_REDO:
1049                 view()->menuRedo();
1050                 break;
1051
1052         case LFUN_MENUSEARCH:
1053                 owner->getDialogs().showSearch();
1054                 break;
1055
1056         case LFUN_REMOVEERRORS:
1057                 if (view()->removeAutoInsets()) {
1058 #warning repaint() or update() or nothing ?
1059                         view()->repaint();
1060                         view()->fitCursor();
1061                 }
1062                 break;
1063
1064         case LFUN_DEPTH_MIN:
1065                 changeDepth(view(), TEXT(false), -1);
1066                 break;
1067
1068         case LFUN_DEPTH_PLUS:
1069                 changeDepth(view(), TEXT(false), 1);
1070                 break;
1071
1072         case LFUN_FREE:
1073                 owner->getDialogs().setUserFreeFont();
1074                 break;
1075
1076         case LFUN_RECONFIGURE:
1077                 Reconfigure(view());
1078                 break;
1079
1080 #if 0
1081         case LFUN_FLOATSOPERATE:
1082                 if (argument == "openfoot")
1083                         view()->allFloats(1,0);
1084                 else if (argument == "closefoot")
1085                         view()->allFloats(0,0);
1086                 else if (argument == "openfig")
1087                         view()->allFloats(1,1);
1088                 else if (argument == "closefig")
1089                         view()->allFloats(0,1);
1090                 break;
1091 #else
1092 #ifdef WITH_WARNINGS
1093 //#warning Find another implementation here (or another lyxfunc)!
1094 #endif
1095 #endif
1096         case LFUN_HELP_ABOUTLYX:
1097                 owner->getDialogs().showAboutlyx();
1098                 break;
1099
1100         case LFUN_HELP_TEXINFO:
1101                 owner->getDialogs().showTexinfo();
1102                 break;
1103
1104         case LFUN_HELP_OPEN:
1105         {
1106                 string const arg = argument;
1107                 if (arg.empty()) {
1108                         setErrorMessage(N_("Missing argument"));
1109                         break;
1110                 }
1111                 owner->prohibitInput();
1112                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1113                 if (fname.empty()) {
1114                         lyxerr << "LyX: unable to find documentation file `"
1115                                << arg << "'. Bad installation?" << endl;
1116                         owner->allowInput();
1117                         break;
1118                 }
1119                 ostringstream str;
1120                 str << _("Opening help file") << ' '
1121                     << MakeDisplayPath(fname) << "...";
1122                 owner->message(str.str().c_str());
1123                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1124                 owner->allowInput();
1125                 break;
1126         }
1127
1128                 // --- version control -------------------------------
1129         case LFUN_VC_REGISTER:
1130         {
1131                 if (!owner->buffer()->lyxvc.inUse())
1132                         owner->buffer()->lyxvc.registrer();
1133         }
1134         break;
1135
1136         case LFUN_VC_CHECKIN:
1137         {
1138                 if (owner->buffer()->lyxvc.inUse()
1139                     && !owner->buffer()->isReadonly())
1140                         owner->buffer()->lyxvc.checkIn();
1141         }
1142         break;
1143
1144         case LFUN_VC_CHECKOUT:
1145         {
1146                 if (owner->buffer()->lyxvc.inUse()
1147                     && owner->buffer()->isReadonly())
1148                         owner->buffer()->lyxvc.checkOut();
1149         }
1150         break;
1151
1152         case LFUN_VC_REVERT:
1153         {
1154                 owner->buffer()->lyxvc.revert();
1155         }
1156         break;
1157
1158         case LFUN_VC_UNDO:
1159         {
1160                 owner->buffer()->lyxvc.undoLast();
1161         }
1162         break;
1163
1164         case LFUN_VC_HISTORY:
1165         {
1166                 owner->getDialogs().showVCLogFile();
1167                 break;
1168         }
1169
1170         // --- buffers ----------------------------------------
1171
1172         case LFUN_SWITCHBUFFER:
1173                 view()->buffer(bufferlist.getBuffer(argument));
1174                 break;
1175
1176         case LFUN_FILE_NEW:
1177         {
1178                 // servercmd: argument must be <file>:<template>
1179                 Buffer * tmpbuf = NewFile(argument);
1180                 if (tmpbuf)
1181                         view()->buffer(tmpbuf);
1182         }
1183         break;
1184
1185         case LFUN_FILE_OPEN:
1186                 open(argument);
1187                 break;
1188
1189         case LFUN_LATEX_LOG:
1190                 owner->getDialogs().showLogFile();
1191                 break;
1192
1193         case LFUN_LAYOUT_DOCUMENT:
1194                 owner->getDialogs().showDocument();
1195                 break;
1196
1197         case LFUN_LAYOUT_PARAGRAPH:
1198                 owner->getDialogs().showParagraph();
1199                 break;
1200
1201         case LFUN_LAYOUT_CHARACTER:
1202                 owner->getDialogs().showCharacter();
1203                 break;
1204
1205         case LFUN_LAYOUT_TABULAR:
1206             if (view()->theLockingInset()) {
1207                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1208                     InsetTabular * inset = static_cast<InsetTabular *>
1209                         (view()->theLockingInset());
1210                     inset->openLayoutDialog(view());
1211                 } else if (view()->theLockingInset()->
1212                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1213                     InsetTabular * inset = static_cast<InsetTabular *>(
1214                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1215                     inset->openLayoutDialog(view());
1216                 }
1217             }
1218             break;
1219
1220         case LFUN_LAYOUT_PREAMBLE:
1221                 owner->getDialogs().showPreamble();
1222                 break;
1223
1224         case LFUN_DROP_LAYOUTS_CHOICE:
1225                 owner->getToolbar().openLayoutList();
1226                 break;
1227
1228         case LFUN_MENU_OPEN_BY_NAME:
1229                 owner->getMenubar().openByName(argument);
1230                 break; // RVDK_PATCH_5
1231
1232         case LFUN_SPELLCHECK:
1233                 owner->getDialogs().showSpellchecker();
1234                 break;
1235
1236         // --- lyxserver commands ----------------------------
1237
1238
1239         case LFUN_GETNAME:
1240                 setMessage(owner->buffer()->fileName());
1241                 lyxerr[Debug::INFO] << "FNAME["
1242                                << owner->buffer()->fileName()
1243                                << "] " << endl;
1244                 break;
1245
1246         case LFUN_NOTIFY:
1247         {
1248                 dispatch_buffer = keyseq.print();
1249                 lyxserver->notifyClient(dispatch_buffer);
1250         }
1251         break;
1252
1253         case LFUN_GOTOFILEROW:
1254         {
1255                 string file_name;
1256                 int row;
1257                 istringstream istr(argument.c_str());
1258                 istr >> file_name >> row;
1259                 // Must replace extension of the file to be .lyx and get full path
1260                 string const s(ChangeExtension(file_name, ".lyx"));
1261
1262                 // Either change buffer or load the file
1263                 if (bufferlist.exists(s)) {
1264                         view()->buffer(bufferlist.getBuffer(s));
1265                 } else {
1266                         view()->buffer(bufferlist.loadLyXFile(s));
1267                 }
1268
1269                 view()->setCursorFromRow(row);
1270
1271                 view()->center();
1272                 // see BufferView_pimpl::center()
1273                 view()->updateScrollbar();
1274         }
1275         break;
1276
1277         case LFUN_GOTO_PARAGRAPH:
1278         {
1279                 istringstream istr(argument.c_str());
1280
1281                 int id;
1282                 istr >> id;
1283                 Paragraph * par = owner->buffer()->getParFromID(id);
1284                 if (par == 0) {
1285                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1286                                             << id << "]" << endl;
1287                         break;
1288                 } else {
1289                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1290                                             << " found." << endl;
1291                 }
1292
1293                 if (view()->theLockingInset())
1294                         view()->unlockInset(view()->theLockingInset());
1295                 if (par->inInset()) {
1296                         par->inInset()->edit(view());
1297                 }
1298                 // Set the cursor
1299                 view()->getLyXText()->setCursor(view(), par, 0);
1300                 view()->switchKeyMap();
1301                 owner->view_state_changed();
1302
1303                 view()->center();
1304                 // see BufferView_pimpl::center()
1305                 view()->updateScrollbar();
1306         }
1307         break;
1308
1309         case LFUN_APROPOS:
1310         case LFUN_GETTIP:
1311         {
1312                 int const qa = lyxaction.LookupFunc(argument);
1313                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1314         }
1315         break;
1316
1317         // --- insert characters ----------------------------------------
1318
1319         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1320         case LFUN_MATH_EXTERN:
1321         case LFUN_MATH_NUMBER:
1322         case LFUN_MATH_NONUMBER:
1323         case LFUN_MATH_LIMITS:
1324         {
1325                 setErrorMessage(N_("This is only allowed in math mode!"));
1326         }
1327         break;
1328
1329         // passthrough hat and underscore outside mathed:
1330         case LFUN_SUBSCRIPT:
1331                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1332                 break;
1333         case LFUN_SUPERSCRIPT:
1334                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1335                 break;
1336
1337         case LFUN_MATH_PANEL:
1338                 owner->getDialogs().showMathPanel();
1339                 break;
1340
1341         case LFUN_CITATION_CREATE:
1342         {
1343                 InsetCommandParams p("cite");
1344
1345                 if (!argument.empty()) {
1346                         // This should be set at source, ie when typing
1347                         // "citation-insert foo" in the minibuffer.
1348                         // Question: would pybibliographer also need to be
1349                         // changed. Suspect so. Leave as-is therefore.
1350                         if (contains(argument, "|")) {
1351                                 p.setContents(token(argument, '|', 0));
1352                                 p.setOptions(token(argument, '|', 1));
1353                         } else {
1354                                 p.setContents(argument);
1355                         }
1356                         dispatch(FuncRequest(view(), LFUN_CITATION_INSERT, p.getAsString()));
1357                 } else
1358                         owner->getDialogs().createCitation(p.getAsString());
1359         }
1360         break;
1361
1362         case LFUN_CHILDOPEN:
1363         {
1364                 string const filename =
1365                         MakeAbsPath(argument,
1366                                     owner->buffer()->filePath());
1367                 setMessage(N_("Opening child document ") +
1368                            MakeDisplayPath(filename) + "...");
1369                 view()->savePosition(0);
1370                 if (bufferlist.exists(filename))
1371                         view()->buffer(bufferlist.getBuffer(filename));
1372                 else
1373                         view()->buffer(bufferlist.loadLyXFile(filename));
1374         }
1375         break;
1376
1377         case LFUN_TOGGLECURSORFOLLOW:
1378                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1379                 break;
1380
1381         case LFUN_KMAP_OFF:
1382                 owner->getIntl().KeyMapOn(false);
1383                 break;
1384
1385         case LFUN_KMAP_PRIM:
1386                 owner->getIntl().KeyMapPrim();
1387                 break;
1388
1389         case LFUN_KMAP_SEC:
1390                 owner->getIntl().KeyMapSec();
1391                 break;
1392
1393         case LFUN_KMAP_TOGGLE:
1394                 owner->getIntl().ToggleKeyMap();
1395                 break;
1396
1397         case LFUN_SEQUENCE:
1398         {
1399                 // argument contains ';'-terminated commands
1400                 while (!argument.empty()) {
1401                         string first;
1402                         argument = split(argument, first, ';');
1403                         dispatch(first);
1404                 }
1405         }
1406         break;
1407
1408         case LFUN_DIALOG_PREFERENCES:
1409                 owner->getDialogs().showPreferences();
1410                 break;
1411
1412         case LFUN_SAVEPREFERENCES:
1413         {
1414                 Path p(user_lyxdir);
1415                 lyxrc.write("preferences");
1416         }
1417         break;
1418
1419         case LFUN_SCREEN_FONT_UPDATE:
1420         {
1421                 // handle the screen font changes.
1422                 lyxrc.set_font_norm_type();
1423                 lyx_gui::update_fonts();
1424                 // We also need to empty the textcache so that
1425                 // the buffer will be formatted correctly after
1426                 // a zoom change.
1427                 textcache.clear();
1428                 // Of course we should only do the resize and the textcache.clear
1429                 // if values really changed...but not very important right now. (Lgb)
1430                 // All visible buffers will need resize
1431                 view()->resize();
1432                 view()->repaint();
1433         }
1434         break;
1435
1436         case LFUN_SET_COLOR:
1437         {
1438                 string lyx_name;
1439                 string const x11_name = split(argument, lyx_name, ' ');
1440                 if (lyx_name.empty() || x11_name.empty()) {
1441                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1442                                                 " <x11_name>"));
1443                         break;
1444                         }
1445
1446                 bool const graphicsbg_changed =
1447                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1448                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1449
1450                 if (!lcolor.setColor(lyx_name, x11_name)) {
1451                         static string const err1 (N_("Set-color \""));
1452                         static string const err2 (
1453                                 N_("\" failed - color is undefined "
1454                                    "or may not be redefined"));
1455                         setErrorMessage(_(err1) + lyx_name + _(err2));
1456                         break;
1457                 }
1458
1459                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1460
1461                 if (graphicsbg_changed) {
1462 #ifdef WITH_WARNINGS
1463 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1464 #endif
1465 #if 0
1466                         grfx::GCache & gc = grfx::GCache::get();
1467                         gc.changeDisplay(true);
1468 #endif
1469                 }
1470
1471                 view()->repaint();
1472                 break;
1473         }
1474
1475         case LFUN_MESSAGE:
1476                 owner->message(argument);
1477                 break;
1478
1479         case LFUN_FORKS_SHOW:
1480                 owner->getDialogs().showForks();
1481                 break;
1482
1483         case LFUN_FORKS_KILL:
1484         {
1485                 if (!isStrInt(argument))
1486                         break;
1487
1488                 pid_t const pid = strToInt(argument);
1489                 ForkedcallsController & fcc = ForkedcallsController::get();
1490                 fcc.kill(pid);
1491                 break;
1492         }
1493
1494         case LFUN_TOOLTIPS_TOGGLE:
1495                 owner->getDialogs().toggleTooltips();
1496                 break;
1497
1498         default:
1499                 // Then if it was none of the above
1500                 // Trying the BufferView::pimpl dispatch:
1501                 if (!view()->dispatch(ev))
1502                         lyxerr << "A truly unknown func ["
1503                                << lyxaction.getActionName(ev.action) << "]!"
1504                                << endl;
1505                 break;
1506         } // end of switch
1507
1508 exit_with_message:
1509         sendDispatchMessage(getMessage(), ev, verbose);
1510 }
1511
1512
1513 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1514 {
1515         owner->updateMenubar();
1516         owner->updateToolbar();
1517
1518         if (ev.action == LFUN_SELFINSERT || !verbose) {
1519                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1520                 if (!msg.empty())
1521                         owner->message(msg);
1522                 return;
1523         }
1524
1525         string dispatch_msg = msg;
1526         if (!dispatch_msg.empty())
1527                 dispatch_msg += " ";
1528
1529         string comname = lyxaction.getActionName(ev.action);
1530
1531         int pseudoaction = ev.action;
1532         bool argsadded = false;
1533
1534         if (!ev.argument.empty()) {
1535                 // the pseudoaction is useful for the bindings
1536                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1537
1538                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1539                         pseudoaction = ev.action;
1540                 } else {
1541                         comname += " " + ev.argument;
1542                         argsadded = true;
1543                 }
1544         }
1545
1546         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1547
1548         if (!shortcuts.empty()) {
1549                 comname += ": " + shortcuts;
1550         } else if (!argsadded && !ev.argument.empty()) {
1551                 comname += " " + ev.argument;
1552         }
1553
1554         if (!comname.empty()) {
1555                 comname = rtrim(comname);
1556                 dispatch_msg += "(" + comname + ')';
1557         }
1558
1559         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1560         if (!dispatch_msg.empty())
1561                 owner->message(dispatch_msg);
1562 }
1563
1564
1565 void LyXFunc::setupLocalKeymap()
1566 {
1567         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1568         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1569 }
1570
1571
1572 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1573 {
1574         string initpath = lyxrc.document_path;
1575         string filename(name);
1576
1577         if (view()->available()) {
1578                 string const trypath = owner->buffer()->filePath();
1579                 // If directory is writeable, use this as default.
1580                 if (IsDirWriteable(trypath))
1581                         initpath = trypath;
1582         }
1583
1584         static int newfile_number;
1585
1586         if (filename.empty()) {
1587                 filename = AddName(lyxrc.document_path,
1588                             "newfile" + tostr(++newfile_number) + ".lyx");
1589                 FileInfo fi(filename);
1590                 while (bufferlist.exists(filename) || fi.readable()) {
1591                         ++newfile_number;
1592                         filename = AddName(lyxrc.document_path,
1593                                     "newfile" + tostr(newfile_number) +
1594                                     ".lyx");
1595                         fi.newFile(filename);
1596                 }
1597         }
1598
1599         // The template stuff
1600         string templname;
1601         if (fromTemplate) {
1602                 FileDialog fileDlg(owner, _("Select template file"),
1603                         LFUN_SELECT_FILE_SYNC,
1604                         make_pair(string(_("Documents|#o#O")),
1605                                   string(lyxrc.document_path)),
1606                         make_pair(string(_("Templates|#T#t")),
1607                                   string(lyxrc.template_path)));
1608
1609                 FileDialog::Result result =
1610                         fileDlg.Select(lyxrc.template_path,
1611                                        _("*.lyx|LyX Documents (*.lyx)"));
1612
1613                 if (result.first == FileDialog::Later)
1614                         return;
1615
1616                 string const fname = result.second;
1617
1618                 if (fname.empty())
1619                         return;
1620                 templname = fname;
1621         }
1622
1623         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1624 }
1625
1626
1627 void LyXFunc::open(string const & fname)
1628 {
1629         string initpath = lyxrc.document_path;
1630
1631         if (view()->available()) {
1632                 string const trypath = owner->buffer()->filePath();
1633                 // If directory is writeable, use this as default.
1634                 if (IsDirWriteable(trypath))
1635                         initpath = trypath;
1636         }
1637
1638         string filename;
1639
1640         if (fname.empty()) {
1641                 FileDialog fileDlg(owner, _("Select document to open"),
1642                         LFUN_FILE_OPEN,
1643                         make_pair(string(_("Documents|#o#O")),
1644                                   string(lyxrc.document_path)),
1645                         make_pair(string(_("Examples|#E#e")),
1646                                   string(AddPath(system_lyxdir, "examples"))));
1647
1648                 FileDialog::Result result =
1649                         fileDlg.Select(initpath,
1650                                        "*.lyx|LyX Documents (*.lyx)");
1651
1652                 if (result.first == FileDialog::Later)
1653                         return;
1654
1655                 filename = result.second;
1656
1657                 // check selected filename
1658                 if (filename.empty()) {
1659                         owner->message(_("Canceled."));
1660                         return;
1661                 }
1662         } else
1663                 filename = fname;
1664
1665         // get absolute path of file and add ".lyx" to the filename if
1666         // necessary
1667         string const fullpath = FileSearch(string(), filename, "lyx");
1668         if (!fullpath.empty()) {
1669                 filename = fullpath;
1670         }
1671
1672         string const disp_fn(MakeDisplayPath(filename));
1673
1674         // if the file doesn't exist, let the user create one
1675         FileInfo const f(filename, true);
1676         if (!f.exist()) {
1677                 if (!Alert::askQuestion(_("No such file"), disp_fn,
1678                         _("Start a new document with this filename ?"))) {
1679                         owner->message(_("Canceled"));
1680                         return;
1681                 }
1682                 // the user specifically chose this name. Believe them.
1683                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1684                 view()->buffer(buffer);
1685                 return;
1686         }
1687
1688         ostringstream str;
1689         str << _("Opening document") << ' ' << disp_fn << "...";
1690
1691         owner->message(str.str().c_str());
1692
1693         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1694         if (openbuf) {
1695                 view()->buffer(openbuf);
1696                 ostringstream str;
1697                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1698                 owner->message(str.str().c_str());
1699         } else {
1700                 ostringstream str;
1701                 str << _("Could not open document") << ' ' << disp_fn;
1702                 owner->message(str.str().c_str());
1703         }
1704 }
1705
1706
1707 void LyXFunc::doImport(string const & argument)
1708 {
1709         string format;
1710         string filename = split(argument, format, ' ');
1711
1712         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1713                             << " file: " << filename << endl;
1714
1715         // need user interaction
1716         if (filename.empty()) {
1717                 string initpath = lyxrc.document_path;
1718
1719                 if (view()->available()) {
1720                         string const trypath = owner->buffer()->filePath();
1721                         // If directory is writeable, use this as default.
1722                         if (IsDirWriteable(trypath))
1723                                 initpath = trypath;
1724                 }
1725
1726                 string const text = _("Select ") + formats.prettyName(format)
1727                         + _(" file to import");
1728
1729                 FileDialog fileDlg(owner, text,
1730                         LFUN_IMPORT,
1731                         make_pair(string(_("Documents|#o#O")),
1732                                   string(lyxrc.document_path)),
1733                         make_pair(string(_("Examples|#E#e")),
1734                                   string(AddPath(system_lyxdir, "examples"))));
1735
1736                 string const extension = "*." + formats.extension(format)
1737                         + "| " + formats.prettyName(format)
1738                         + " (*." + formats.extension(format) + ")";
1739
1740                 FileDialog::Result result = fileDlg.Select(initpath,
1741                                                            extension);
1742
1743                 if (result.first == FileDialog::Later)
1744                         return;
1745
1746                 filename = result.second;
1747
1748                 // check selected filename
1749                 if (filename.empty())
1750                         owner->message(_("Canceled."));
1751         }
1752
1753         if (filename.empty())
1754                 return;
1755
1756         // get absolute path of file
1757         filename = MakeAbsPath(filename);
1758
1759         string const lyxfile = ChangeExtension(filename, ".lyx");
1760
1761         // Check if the document already is open
1762         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1763                 switch (Alert::askConfirmation(_("Document is already open:"),
1764                                         MakeDisplayPath(lyxfile, 50),
1765                                         _("Do you want to close that document now?\n"
1766                                           "('No' will just switch to the open version)")))
1767                         {
1768                         case 1:
1769                                 // If close is canceled, we cancel here too.
1770                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1771                                         return;
1772                                 break;
1773                         case 2:
1774                                 view()->buffer(bufferlist.getBuffer(lyxfile));
1775                                 return;
1776                         case 3:
1777                                 owner->message(_("Canceled."));
1778                                 return;
1779                         }
1780         }
1781
1782         // if the file exists already, and we didn't do
1783         // -i lyx thefile.lyx, warn
1784         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1785                 if (!Alert::askQuestion(_("A document by the name"),
1786                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1787                         owner->message(_("Canceled"));
1788                         return;
1789                 }
1790         }
1791
1792         Importer::Import(owner, filename, format);
1793 }
1794
1795
1796 void LyXFunc::reloadBuffer()
1797 {
1798         string const fn = owner->buffer()->fileName();
1799         if (bufferlist.close(owner->buffer()))
1800                 view()->buffer(bufferlist.loadLyXFile(fn));
1801 }
1802
1803
1804 void LyXFunc::closeBuffer()
1805 {
1806         if (bufferlist.close(owner->buffer()) && !quitting) {
1807                 if (bufferlist.empty()) {
1808                         // need this otherwise SEGV may occur while trying to
1809                         // set variables that don't exist
1810                         // since there's no current buffer
1811                         owner->getDialogs().hideBufferDependent();
1812                 } else {
1813                         view()->buffer(bufferlist.first());
1814                 }
1815         }
1816 }
1817
1818
1819 // Each "owner" should have it's own message method. lyxview and
1820 // the minibuffer would use the minibuffer, but lyxserver would
1821 // send an ERROR signal to its client.  Alejandro 970603
1822 // This func is bit problematic when it comes to NLS, to make the
1823 // lyx servers client be language indepenent we must not translate
1824 // strings sent to this func.
1825 void LyXFunc::setErrorMessage(string const & m) const
1826 {
1827         dispatch_buffer = m;
1828         errorstat = true;
1829 }
1830
1831
1832 void LyXFunc::setMessage(string const & m) const
1833 {
1834         dispatch_buffer = m;
1835 }
1836
1837
1838 void LyXFunc::setStatusMessage(string const & m) const
1839 {
1840         status_buffer = m;
1841 }
1842
1843
1844 string const LyXFunc::view_status_message()
1845 {
1846         // When meta-fake key is pressed, show the key sequence so far + "M-".
1847         if (wasMetaKey()) {
1848                 return keyseq.print() + "M-";
1849         }
1850
1851         // Else, when a non-complete key sequence is pressed,
1852         // show the available options.
1853         if (keyseq.length() > 0 && !keyseq.deleted()) {
1854                 return keyseq.printOptions();
1855         }
1856
1857         if (!view()->available())
1858                 return _("Welcome to LyX!");
1859
1860         return currentState(view());
1861 }
1862
1863
1864 BufferView * LyXFunc::view() const
1865 {
1866         lyx::Assert(owner);
1867         return owner->view().get();
1868 }