src/lyxfunc.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "lyxfunc.h"
  18 #include "version.h"
  19 #include "kbmap.h"
  20 #include "lyxrow.h"
  21 #include "bufferlist.h"
  22 #include "BufferView.h"
  23 #include "lyxserver.h"
  24 #include "intl.h"
  25 #include "lyx_main.h"
  26 #include "lyx_cb.h"
  27 #include "LyXAction.h"
  28 #include "debug.h"
  29 #include "lyxrc.h"
  30 #include "lyxtext.h"
  31 #include "gettext.h"
  32 #include "Lsstream.h"
  33 #include "trans_mgr.h"
  34 #include "layout.h"
  35 #include "bufferview_funcs.h"
  36 #include "frontends/LyXView.h"
  37 #include "frontends/lyx_gui.h"
  38 #include "vspace.h"
  39 #include "FloatList.h"
  40 #include "converter.h"
  41 #include "exporter.h"
  42 #include "importer.h"
  43 #include "TextCache.h"
  44 #include "lyxfind.h"
  45 #include "undo_funcs.h"
  46 #include "ParagraphParameters.h"
  47
  48 #include "insets/insetcommand.h"
  49 #include "insets/insettabular.h"
  50
  51 #include "mathed/formulamacro.h"
  52 #include "mathed/math_cursor.h"
  53 #include "mathed/math_inset.h"
  54
  55 #include "frontends/FileDialog.h"
  56 #include "frontends/Dialogs.h"
  57 #include "frontends/Toolbar.h"
  58 #include "frontends/Menubar.h"
  59 #include "frontends/Alert.h"
  60
  61 #include "graphics/GraphicsCache.h"
  62
  63 #include "support/lyxalgo.h"
  64 #include "support/LAssert.h"
  65 #include "support/filetools.h"
  66 #include "support/FileInfo.h"
  67 #include "support/forkedcontr.h"
  68 #include "support/lstrings.h"
  69 #include "support/path.h"
  70 #include "support/lyxfunctional.h"
  71
  72 #include <ctime>
  73 #include <clocale>
  74 #include <cstdlib>
  75 #include <cctype>
  76
  77 #include <utility>
  78 #include <algorithm>
  79
  80 using std::pair;
  81 using std::make_pair;
  82 using std::endl;
  83 using std::find_if;
  84 using std::vector;
  85 using std::transform;
  86 using std::back_inserter;
  87
  88 extern BufferList bufferlist;
  89 extern LyXServer * lyxserver;
  90 extern bool selection_possible;
  91
  92 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
  93
  94 // (alkis)
  95 extern tex_accent_struct get_accent(kb_action action);
  96
  97 extern void ShowLatexLog();
  98
  99
 100 LyXFunc::LyXFunc(LyXView * o)
 101         : owner(o),
 102         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 103         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 104         meta_fake_bit(key_modifier::none)
 105 {
 106 }
 107
 108
 109 inline
 110 LyXText * LyXFunc::TEXT(bool flag = true) const
 111 {
 112         if (flag)
 113                 return view()->text;
 114         return view()->getLyXText();
 115 }
 116
 117
 118 inline
 119 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 120 {
 121         if (selecting || TEXT(flag)->selection.mark()) {
 122                 TEXT(flag)->setSelection(view());
 123                 if (TEXT(flag)->bv_owner)
 124                     view()->toggleToggle();
 125         }
 126         view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 127         view()->showCursor();
 128
 129         view()->switchKeyMap();
 130 }
 131
 132
 133 void LyXFunc::handleKeyFunc(kb_action action)
 134 {
 135         char c = keyseq.getLastKeyEncoded();
 136
 137         if (keyseq.length() > 1) {
 138                 c = 0;
 139         }
 140
 141         owner->getIntl().getTransManager()
 142                 .deadkey(c, get_accent(action).accent, TEXT(false));
 143         // Need to clear, in case the minibuffer calls these
 144         // actions
 145         keyseq.clear();
 146         // copied verbatim from do_accent_char
 147         view()->update(TEXT(false),
 148                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 149         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 150 }
 151
 152
 153 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 154                             key_modifier::state state)
 155 {
 156         string argument;
 157
 158         if (lyxerr.debugging(Debug::KEY)) {
 159                 lyxerr << "KeySym is "
 160                        << keysym->getSymbolName()
 161                        << endl;
 162         }
 163
 164         // Do nothing if we have nothing (JMarc)
 165         if (!keysym->isOK()) {
 166                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 167                                    << endl;
 168                 return;
 169         }
 170
 171         if (keysym->isModifier()) {
 172                 return;
 173         }
 174
 175         // Do a one-deep top-level lookup for
 176         // cancel and meta-fake keys. RVDK_PATCH_5
 177         cancel_meta_seq.reset();
 178
 179         int action = cancel_meta_seq.addkey(keysym, state);
 180         lyxerr[Debug::KEY] << "action first set to [" << action << "]" << endl;
 181
 182         // When not cancel or meta-fake, do the normal lookup.
 183         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 184         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 185         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 186                 // remove Caps Lock and Mod2 as a modifiers
 187                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 188                 lyxerr[Debug::KEY] << "action now set to ["
 189                         << action << "]" << endl;
 190         }
 191
 192         // Dont remove this unless you know what you are doing.
 193         meta_fake_bit = key_modifier::none;
 194
 195         // can this happen now ?
 196         if (action == LFUN_NOACTION) {
 197                 action = LFUN_PREFIX;
 198         }
 199
 200         if (lyxerr.debugging(Debug::KEY)) {
 201                 lyxerr << "Key [action="
 202                        << action << "]["
 203                        << keyseq.print() << "]"
 204                        << endl;
 205         }
 206
 207         // already here we know if it any point in going further
 208         // why not return already here if action == -1 and
 209         // num_bytes == 0? (Lgb)
 210
 211         if (keyseq.length() > 1) {
 212                 owner->message(keyseq.print());
 213         }
 214
 215         if (action == LFUN_UNKNOWN_ACTION) {
 216                 // It is unknown, but what if we remove all
 217                 // the modifiers? (Lgb)
 218                 action = keyseq.addkey(keysym, key_modifier::none);
 219
 220                 lyxerr[Debug::KEY] << "Removing modifiers...\n"
 221                         << "Action now set to ["
 222                         << action << "]" << endl;
 223
 224                 if (action == LFUN_UNKNOWN_ACTION) {
 225                         owner->message(_("Unknown function."));
 226                         return;
 227                 }
 228         }
 229
 230         if (action == LFUN_SELFINSERT) {
 231                 char c = keysym->getISOEncoded();
 232                 string argument;
 233
 234                 if (c != 0)
 235                         argument = c;
 236
 237                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, argument));
 238                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 239                                    << argument << "']" << endl;
 240         } else {
 241                 dispatch(action);
 242         }
 243 }
 244
 245
 246 FuncStatus LyXFunc::getStatus(int ac) const
 247 {
 248         return getStatus(lyxaction.retrieveActionArg(ac));
 249 }
 250
 251
 252 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 253 {
 254         FuncStatus flag;
 255         Buffer * buf = owner->buffer();
 256
 257         if (ev.action == LFUN_NOACTION) {
 258                 setStatusMessage(N_("Nothing to do"));
 259                 return flag.disabled(true);
 260         }
 261
 262         if (ev.action == LFUN_UNKNOWN_ACTION) {
 263                 setStatusMessage(N_("Unknown action"));
 264                 return flag.unknown(true);
 265         }
 266
 267         // the default error message if we disable the command
 268         setStatusMessage(N_("Command disabled"));
 269
 270         // Check whether we need a buffer
 271         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 272                 // Yes we need a buffer, do we have one?
 273                 if (buf) {
 274                         // yes
 275                         // Can we use a readonly buffer?
 276                         if (buf->isReadonly() &&
 277                             !lyxaction.funcHasFlag(ev.action,
 278                                                    LyXAction::ReadOnly)) {
 279                                 // no
 280                                 setStatusMessage(N_("Document is read-only"));
 281                                 flag.disabled(true);
 282                         }
 283                 } else {
 284                         // no
 285                         setStatusMessage(N_("Command not allowed with"
 286                                            "out any document open"));
 287                         return flag.disabled(true);
 288                 }
 289         }
 290
 291         UpdatableInset * tli = view()->theLockingInset();
 292
 293         // I would really like to avoid having this switch and rather try to
 294         // encode this in the function itself.
 295         bool disable = false;
 296         switch (ev.action) {
 297         case LFUN_MENUPRINT:
 298                 disable = !Exporter::IsExportable(buf, "dvi")
 299                         || lyxrc.print_command == "none";
 300                 break;
 301         case LFUN_EXPORT:
 302                 disable = ev.argument == "fax" &&
 303                         !Exporter::IsExportable(buf, ev.argument);
 304                 break;
 305         case LFUN_UNDO:
 306                 disable = buf->undostack.empty();
 307                 break;
 308         case LFUN_REDO:
 309                 disable = buf->redostack.empty();
 310                 break;
 311         case LFUN_CUT:
 312         case LFUN_COPY:
 313                 if (tli && tli->lyxCode() == Inset::TABULAR_CODE) {
 314                         InsetTabular * t(static_cast<InsetTabular*>(tli));
 315                         if (t->hasSelection()) {
 316                                 disable = false;
 317                                 break;
 318                         }
 319                 }
 320                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 321                 break;
 322 #ifndef HAVE_LIBAIKSAURUS
 323         case LFUN_THESAURUS_ENTRY:
 324                 disable = true;
 325                 break;
 326 #endif
 327         case LFUN_RUNCHKTEX:
 328                 disable = lyxrc.chktex_command == "none";
 329                 break;
 330         case LFUN_BUILDPROG:
 331                 disable = !Exporter::IsExportable(buf, "program");
 332                 break;
 333
 334         case LFUN_LAYOUT_CHARACTER:
 335                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 336                 break;
 337
 338         case LFUN_LAYOUT_TABULAR:
 339                 disable = !tli
 340                         || (tli->lyxCode() != Inset::TABULAR_CODE
 341                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 342                 break;
 343
 344         case LFUN_LAYOUT:
 345         case LFUN_LAYOUT_PARAGRAPH: {
 346                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 347                 disable = inset && inset->forceDefaultParagraphs(inset);
 348                 break;
 349         }
 350
 351         case LFUN_INSET_OPTARG:
 352                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
 353                 break;
 354
 355         case LFUN_TABULAR_FEATURE:
 356                 if (mathcursor) {
 357 #if 0
 358                         // FIXME: check temporarily disabled
 359                         // valign code
 360                         char align = mathcursor->valign();
 361                         if (align == '\0') {
 362                                 disable = true;
 363                                 break;
 364                         }
 365                         if (ev.argument.empty()) {
 366                                 flag.clear();
 367                                 break;
 368                         }
 369                         if (!contains("tcb", ev.argument[0])) {
 370                                 disable = true;
 371                                 break;
 372                         }
 373                         flag.setOnOff(ev.argument[0] == align);
 374                 } else
 375                         disable = true;
 376
 377                         char align = mathcursor->halign();
 378                         if (align == '\0') {
 379                                 disable = true;
 380                                 break;
 381                         }
 382                         if (ev.argument.empty()) {
 383                                 flag.clear();
 384                                 break;
 385                         }
 386                         if (!contains("lcr", ev.argument[0])) {
 387                                 disable = true;
 388                                 break;
 389                         }
 390                         flag.setOnOff(ev.argument[0] == align);
 391 #endif
 392
 393                         disable = !mathcursor->halign();
 394                         break;
 395                 }
 396
 397                 if (tli) {
 398                         FuncStatus ret;
 399                         //ret.disabled(true);
 400                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 401                                 ret = static_cast<InsetTabular *>(tli)
 402                                         ->getStatus(ev.argument);
 403                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 404                                 ret = static_cast<InsetTabular *>
 405                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 406                                         ->getStatus(ev.argument);
 407                         }
 408                         flag |= ret;
 409                         disable = false;
 410                 } else {
 411                         static InsetTabular inset(*owner->buffer(), 1, 1);
 412                         FuncStatus ret;
 413
 414                         disable = true;
 415                         ret = inset.getStatus(ev.argument);
 416                         if (ret.onoff(true) || ret.onoff(false))
 417                                 flag.setOnOff(false);
 418                 }
 419                 break;
 420
 421         case LFUN_VC_REGISTER:
 422                 disable = buf->lyxvc.inUse();
 423                 break;
 424         case LFUN_VC_CHECKIN:
 425                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 426                 break;
 427         case LFUN_VC_CHECKOUT:
 428                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 429                 break;
 430         case LFUN_VC_REVERT:
 431         case LFUN_VC_UNDO:
 432         case LFUN_VC_HISTORY:
 433                 disable = !buf->lyxvc.inUse();
 434                 break;
 435         case LFUN_BOOKMARK_GOTO:
 436                 disable =  !view()->
 437                         isSavedPosition(strToUnsignedInt(ev.argument));
 438                 break;
 439         case LFUN_INSET_TOGGLE: {
 440                 LyXText * lt = view()->getLyXText();
 441                 disable = !(isEditableInset(lt->getInset())
 442                             || (lt->inset_owner
 443                                 && lt->inset_owner->owner()
 444                                 && lt->inset_owner->owner()->isOpen()));
 445                 break;
 446         }
 447         case LFUN_LATEX_LOG:
 448                 disable = !IsFileReadable(buf->getLogName().second);
 449                 break;
 450
 451         case LFUN_MATH_MUTATE:
 452                 if (mathcursor)
 453                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 454                         flag.setOnOff(false);
 455                 else
 456                         disable = true;
 457                 break;
 458
 459         // we just need to be in math mode to enable that
 460         case LFUN_MATH_SIZE:
 461         case LFUN_MATH_SPACE:
 462         case LFUN_MATH_LIMITS:
 463         case LFUN_MATH_NONUMBER:
 464         case LFUN_MATH_NUMBER:
 465         case LFUN_MATH_EXTERN:
 466                 disable = !mathcursor;
 467                 break;
 468
 469         default:
 470                 break;
 471         }
 472
 473         // the functions which insert insets
 474         Inset::Code code = Inset::NO_CODE;
 475         switch (ev.action) {
 476         case LFUN_INSET_ERT:
 477                 code = Inset::ERT_CODE;
 478                 break;
 479         case LFUN_INSET_GRAPHICS:
 480                 code = Inset::GRAPHICS_CODE;
 481                 break;
 482         case LFUN_INSET_FOOTNOTE:
 483                 code = Inset::FOOT_CODE;
 484                 break;
 485         case LFUN_TABULAR_INSERT:
 486                 code = Inset::TABULAR_CODE;
 487                 break;
 488         case LFUN_INSET_EXTERNAL:
 489                 code = Inset::EXTERNAL_CODE;
 490                 break;
 491         case LFUN_INSET_MARGINAL:
 492                 code = Inset::MARGIN_CODE;
 493                 break;
 494         case LFUN_INSET_MINIPAGE:
 495                 code = Inset::MINIPAGE_CODE;
 496                 break;
 497         case LFUN_INSET_FLOAT:
 498         case LFUN_INSET_WIDE_FLOAT:
 499                 code = Inset::FLOAT_CODE;
 500                 break;
 501         case LFUN_INSET_WRAP:
 502                 code = Inset::WRAP_CODE;
 503                 break;
 504         case LFUN_FLOAT_LIST:
 505                 code = Inset::FLOAT_LIST_CODE;
 506                 break;
 507 #if 0
 508         case LFUN_INSET_LIST:
 509                 code = Inset::LIST_CODE;
 510                 break;
 511         case LFUN_INSET_THEOREM:
 512                 code = Inset::THEOREM_CODE;
 513                 break;
 514 #endif
 515         case LFUN_INSET_CAPTION:
 516                 code = Inset::CAPTION_CODE;
 517                 break;
 518         case LFUN_INSERT_NOTE:
 519                 code = Inset::NOTE_CODE;
 520                 break;
 521         case LFUN_INSERT_LABEL:
 522                 code = Inset::LABEL_CODE;
 523                 break;
 524         case LFUN_INSET_OPTARG:
 525                 code = Inset::OPTARG_CODE;
 526                 break;
 527         case LFUN_REF_INSERT:
 528                 code = Inset::REF_CODE;
 529                 break;
 530         case LFUN_CITATION_CREATE:
 531         case LFUN_CITATION_INSERT:
 532                 code = Inset::CITE_CODE;
 533                 break;
 534         case LFUN_INSERT_BIBTEX:
 535                 code = Inset::BIBTEX_CODE;
 536                 break;
 537         case LFUN_INDEX_INSERT:
 538                 code = Inset::INDEX_CODE;
 539                 break;
 540         case LFUN_INDEX_PRINT:
 541                 code = Inset::INDEX_PRINT_CODE;
 542                 break;
 543         case LFUN_CHILD_INSERT:
 544                 code = Inset::INCLUDE_CODE;
 545                 break;
 546         case LFUN_TOC_INSERT:
 547                 code = Inset::TOC_CODE;
 548                 break;
 549         case LFUN_PARENTINSERT:
 550                 code = Inset::PARENT_CODE;
 551                 break;
 552         case LFUN_HTMLURL:
 553         case LFUN_URL:
 554         case LFUN_INSERT_URL:
 555                 code = Inset::URL_CODE;
 556                 break;
 557         case LFUN_QUOTE:
 558                 // always allow this, since we will inset a raw quote
 559                 // if an inset is not allowed.
 560                 break;
 561         case LFUN_HYPHENATION:
 562         case LFUN_LIGATURE_BREAK:
 563         case LFUN_HFILL:
 564         case LFUN_MENU_SEPARATOR:
 565         case LFUN_LDOTS:
 566         case LFUN_END_OF_SENTENCE:
 567                 code = Inset::SPECIALCHAR_CODE;
 568                 break;
 569         case LFUN_PROTECTEDSPACE:
 570                 // slight hack: we know this is allowed in math mode
 571                 if (!mathcursor)
 572                         code = Inset::SPECIALCHAR_CODE;
 573                 break;
 574         default:
 575                 break;
 576         }
 577         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 578                 disable = true;
 579
 580         if (disable)
 581                 flag.disabled(true);
 582
 583         // A few general toggles
 584         switch (ev.action) {
 585         case LFUN_TOOLTIPS_TOGGLE:
 586                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 587                 break;
 588
 589         case LFUN_READ_ONLY_TOGGLE:
 590                 flag.setOnOff(buf->isReadonly());
 591                 break;
 592         case LFUN_APPENDIX:
 593                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 594                 break;
 595         case LFUN_SWITCHBUFFER:
 596                 // toggle on the current buffer, but do not toggle off
 597                 // the other ones (is that a good idea?)
 598                 if (ev.argument == buf->fileName())
 599                         flag.setOnOff(true);
 600                 break;
 601         default:
 602                 break;
 603         }
 604
 605         // the font related toggles
 606         if (!mathcursor) {
 607                 LyXFont const & font = TEXT(false)->real_current_font;
 608                 switch (ev.action) {
 609                 case LFUN_EMPH:
 610                         flag.setOnOff(font.emph() == LyXFont::ON);
 611                         break;
 612                 case LFUN_NOUN:
 613                         flag.setOnOff(font.noun() == LyXFont::ON);
 614                         break;
 615                 case LFUN_BOLD:
 616                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 617                         break;
 618                 case LFUN_SANS:
 619                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 620                         break;
 621                 case LFUN_ROMAN:
 622                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 623                         break;
 624                 case LFUN_CODE:
 625                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 626                         break;
 627                 default:
 628                         break;
 629                 }
 630         } else {
 631                 string tc = mathcursor->getLastCode();
 632                 switch (ev.action) {
 633                 case LFUN_BOLD:
 634                         flag.setOnOff(tc == "mathbf");
 635                         break;
 636                 case LFUN_SANS:
 637                         flag.setOnOff(tc == "mathsf");
 638                         break;
 639                 case LFUN_EMPH:
 640                         flag.setOnOff(tc == "mathcal");
 641                         break;
 642                 case LFUN_ROMAN:
 643                         flag.setOnOff(tc == "mathrm");
 644                         break;
 645                 case LFUN_CODE:
 646                         flag.setOnOff(tc == "mathtt");
 647                         break;
 648                 case LFUN_NOUN:
 649                         flag.setOnOff(tc == "mathbb");
 650                         break;
 651                 case LFUN_DEFAULT:
 652                         flag.setOnOff(tc == "mathnormal");
 653                         break;
 654                 default:
 655                         break;
 656                 }
 657         }
 658
 659         // this one is difficult to get right. As a half-baked
 660         // solution, we consider only the first action of the sequence
 661         if (ev.action == LFUN_SEQUENCE) {
 662                 // argument contains ';'-terminated commands
 663                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 664         }
 665
 666         return flag;
 667 }
 668
 669
 670 void LyXFunc::dispatch(string const & s, bool verbose)
 671 {
 672         int const action = lyxaction.LookupFunc(s);
 673
 674         if (action == LFUN_UNKNOWN_ACTION) {
 675                 string const msg = string(_("Unknown function ("))
 676                         + s + ")";
 677                 owner->message(msg);
 678                 return;
 679         }
 680
 681         dispatch(action, verbose);
 682 }
 683
 684
 685 void LyXFunc::dispatch(int ac, bool verbose)
 686 {
 687         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 688 }
 689
 690
 691
 692 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 693 {
 694         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 695                               <<"] arg[" << ev.argument << "]" << endl;
 696
 697         // we have not done anything wrong yet.
 698         errorstat = false;
 699         dispatch_buffer.erase();
 700
 701 #ifdef NEW_DISPATCHER
 702         // We try do call the most specific dispatcher first:
 703         //  1. the lockinginset's dispatch
 704         //  2. the bufferview's dispatch
 705         //  3. the lyxview's dispatch
 706 #endif
 707
 708         selection_possible = false;
 709
 710         if (view()->available())
 711                 view()->hideCursor();
 712
 713         string argument = ev.argument;
 714         kb_action action = ev.action;
 715
 716         // We cannot use this function here
 717         if (getStatus(ev).disabled()) {
 718                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 719                        << lyxaction.getActionName(action)
 720                        << " [" << action << "] is disabled at this location"
 721                        << endl;
 722                 setErrorMessage(getStatusMessage());
 723                 goto exit_with_message;
 724         }
 725
 726         if (view()->available() && view()->theLockingInset()) {
 727                 Inset::RESULT result;
 728                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 729                                      (!keyseq.deleted())))
 730                 {
 731                         UpdatableInset * inset = view()->theLockingInset();
 732 #if 1
 733                         int inset_x;
 734                         int dummy_y;
 735                         inset->getCursorPos(view(), inset_x, dummy_y);
 736 #endif
 737                         if ((action == LFUN_UNKNOWN_ACTION)
 738                             && argument.empty()) {
 739                                 argument = keyseq.getLastKeyEncoded();
 740                         }
 741                         // Undo/Redo is a bit tricky for insets.
 742                         if (action == LFUN_UNDO) {
 743                                 view()->undo();
 744                                 goto exit_with_message;
 745                         } else if (action == LFUN_REDO) {
 746                                 view()->redo();
 747                                 goto exit_with_message;
 748                         } else if (((result=inset->
 749                                      // Hand-over to inset's own dispatch:
 750                                      localDispatch(FuncRequest(view(), action, argument))) ==
 751                                     UpdatableInset::DISPATCHED) ||
 752                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 753                                 goto exit_with_message;
 754                                         // If UNDISPATCHED, just soldier on
 755                         else if (result == UpdatableInset::FINISHED) {
 756                                 goto exit_with_message;
 757                                 // We do not need special RTL handling here:
 758                                 // FINISHED means that the cursor should be
 759                                 // one position after the inset.
 760                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 761                                 TEXT()->cursorRight(view());
 762                                 moveCursorUpdate(true, false);
 763                                 owner->view_state_changed();
 764                                 goto exit_with_message;
 765                         } else if (result == UpdatableInset::FINISHED_UP) {
 766                                 if (TEXT()->cursor.irow()->previous()) {
 767 #if 1
 768                                         TEXT()->setCursorFromCoordinates(
 769                                                 view(), TEXT()->cursor.ix() + inset_x,
 770                                                 TEXT()->cursor.iy() -
 771                                                 TEXT()->cursor.irow()->baseline() - 1);
 772                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 773 #else
 774                                         TEXT()->cursorUp(view());
 775 #endif
 776                                         moveCursorUpdate(true, false);
 777                                         owner->view_state_changed();
 778                                 } else {
 779                                         view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 780                                 }
 781                                 goto exit_with_message;
 782                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 783                                 if (TEXT()->cursor.irow()->next()) {
 784 #if 1
 785                                         TEXT()->setCursorFromCoordinates(
 786                                                 view(), TEXT()->cursor.ix() + inset_x,
 787                                                 TEXT()->cursor.iy() -
 788                                                 TEXT()->cursor.irow()->baseline() +
 789                                                 TEXT()->cursor.irow()->height() + 1);
 790                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 791 #else
 792                                         TEXT()->cursorDown(view());
 793 #endif
 794                                 } else {
 795                                         TEXT()->cursorRight(view());
 796                                 }
 797                                 moveCursorUpdate(true, false);
 798                                 owner->view_state_changed();
 799                                 goto exit_with_message;
 800                         }
 801 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 802                         else { // result == UNDISPATCHED
 803                                 //setMessage(N_("Text mode"));
 804                                 switch (action) {
 805                                 case LFUN_UNKNOWN_ACTION:
 806                                 case LFUN_BREAKPARAGRAPH:
 807                                 case LFUN_BREAKLINE:
 808                                         TEXT()->cursorRight(view());
 809                                         view()->switchKeyMap();
 810                                         owner->view_state_changed();
 811                                         break;
 812                                 case LFUN_RIGHT:
 813                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 814                                                 TEXT()->cursorRight(view());
 815                                                 moveCursorUpdate(true, false);
 816                                                 owner->view_state_changed();
 817                                         }
 818                                         goto exit_with_message;
 819                                 case LFUN_LEFT:
 820                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 821                                                 TEXT()->cursorRight(view());
 822                                                 moveCursorUpdate(true, false);
 823                                                 owner->view_state_changed();
 824                                         }
 825                                         goto exit_with_message;
 826                                 case LFUN_DOWN:
 827                                         if (TEXT()->cursor.row()->next())
 828                                                 TEXT()->cursorDown(view());
 829                                         else
 830                                                 TEXT()->cursorRight(view());
 831                                         moveCursorUpdate(true, false);
 832                                         owner->view_state_changed();
 833                                         goto exit_with_message;
 834                                 default:
 835                                         break;
 836                                 }
 837                         }
 838                 }
 839         }
 840
 841         switch (action) {
 842
 843         case LFUN_ESCAPE:
 844         {
 845                 if (!view()->available()) break;
 846                 // this function should be used always [asierra060396]
 847                 UpdatableInset * tli =
 848                         view()->theLockingInset();
 849                 if (tli) {
 850                         UpdatableInset * lock = tli->getLockingInset();
 851
 852                         if (tli == lock) {
 853                                 view()->unlockInset(tli);
 854                                 TEXT()->cursorRight(view());
 855                                 moveCursorUpdate(true, false);
 856                                 owner->view_state_changed();
 857                         } else {
 858                                 tli->unlockInsetInInset(view(),
 859                                                         lock,
 860                                                         true);
 861                         }
 862                         finishUndo();
 863                         // Tell the paragraph dialog that we changed paragraph
 864                         owner->getDialogs().updateParagraph();
 865                 }
 866         }
 867         break;
 868
 869                 // --- Misc -------------------------------------------
 870         case LFUN_WORDFINDFORWARD  :
 871         case LFUN_WORDFINDBACKWARD : {
 872                 static string last_search;
 873                 string searched_string;
 874
 875                 if (!argument.empty()) {
 876                         last_search = argument;
 877                         searched_string = argument;
 878                 } else {
 879                         searched_string = last_search;
 880                 }
 881                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 882                 if (!searched_string.empty()) {
 883                         lyxfind::LyXFind(view(), searched_string, fw);
 884                 }
 885 //              view()->showCursor();
 886         }
 887         break;
 888
 889         case LFUN_PREFIX:
 890         {
 891                 if (view()->available() && !view()->theLockingInset()) {
 892                         view()->update(TEXT(),
 893                                               BufferView::SELECT|BufferView::FITCUR);
 894                 }
 895                 owner->message(keyseq.printOptions());
 896         }
 897         break;
 898
 899         // --- Misc -------------------------------------------
 900         case LFUN_EXEC_COMMAND:
 901                 owner->focus_command_buffer();
 902                 break;
 903
 904         case LFUN_CANCEL:                   // RVDK_PATCH_5
 905                 keyseq.reset();
 906                 meta_fake_bit = key_modifier::none;
 907                 if (view()->available())
 908                         // cancel any selection
 909                         dispatch(LFUN_MARK_OFF);
 910                 setMessage(N_("Cancel"));
 911                 break;
 912
 913         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 914         {
 915                 meta_fake_bit = key_modifier::alt;
 916                 setMessage(keyseq.print());
 917         }
 918         break;
 919
 920         case LFUN_READ_ONLY_TOGGLE:
 921                 if (owner->buffer()->lyxvc.inUse()) {
 922                         owner->buffer()->lyxvc.toggleReadOnly();
 923                 } else {
 924                         owner->buffer()->setReadonly(
 925                                 !owner->buffer()->isReadonly());
 926                 }
 927                 break;
 928
 929         case LFUN_CENTER: // this is center and redraw.
 930                 view()->center();
 931                 break;
 932
 933                 // --- Menus -----------------------------------------------
 934         case LFUN_MENUNEW:
 935                 menuNew(argument, false);
 936                 break;
 937
 938         case LFUN_MENUNEWTMPLT:
 939                 menuNew(argument, true);
 940                 break;
 941
 942         case LFUN_CLOSEBUFFER:
 943                 closeBuffer();
 944                 break;
 945
 946         case LFUN_MENUWRITE:
 947                 if (!owner->buffer()->isUnnamed()) {
 948                         ostringstream s1;
 949                         s1 << _("Saving document") << ' '
 950                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
 951                         owner->message(s1.str().c_str());
 952                         MenuWrite(view(), owner->buffer());
 953                         s1 << _(" done.");
 954                         owner->message(s1.str().c_str());
 955                 } else
 956                         WriteAs(view(), owner->buffer());
 957                 break;
 958
 959         case LFUN_WRITEAS:
 960                 WriteAs(view(), owner->buffer(), argument);
 961                 break;
 962
 963         case LFUN_MENURELOAD:
 964                 reloadBuffer();
 965                 break;
 966
 967         case LFUN_UPDATE:
 968                 Exporter::Export(owner->buffer(), argument, true);
 969                 break;
 970
 971         case LFUN_PREVIEW:
 972                 Exporter::Preview(owner->buffer(), argument);
 973                 break;
 974
 975         case LFUN_BUILDPROG:
 976                 Exporter::Export(owner->buffer(), "program", true);
 977                 break;
 978
 979         case LFUN_RUNCHKTEX:
 980                 MenuRunChktex(owner->buffer());
 981                 break;
 982
 983         case LFUN_MENUPRINT:
 984                 owner->getDialogs().showPrint();
 985                 break;
 986
 987         case LFUN_EXPORT:
 988                 if (argument == "custom")
 989                         owner->getDialogs().showSendto();
 990                 else
 991                         Exporter::Export(owner->buffer(), argument, false);
 992                 break;
 993
 994         case LFUN_IMPORT:
 995                 doImport(argument);
 996                 break;
 997
 998         case LFUN_QUIT:
 999                 QuitLyX();
1000                 break;
1001
1002         case LFUN_TOCVIEW:
1003 #if 0
1004         case LFUN_LOFVIEW:
1005         case LFUN_LOTVIEW:
1006         case LFUN_LOAVIEW:
1007 #endif
1008         {
1009                 InsetCommandParams p;
1010
1011 #if 0
1012                 if (action == LFUN_TOCVIEW)
1013 #endif
1014                         p.setCmdName("tableofcontents");
1015 #if 0
1016                 else if (action == LFUN_LOAVIEW)
1017                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1018                 else if (action == LFUN_LOFVIEW)
1019                         p.setCmdName("listoffigures");
1020                 else
1021                         p.setCmdName("listoftables");
1022 #endif
1023                 owner->getDialogs().createTOC(p.getAsString());
1024                 break;
1025         }
1026
1027         case LFUN_AUTOSAVE:
1028                 AutoSave(view());
1029                 break;
1030
1031         case LFUN_UNDO:
1032                 view()->undo();
1033                 break;
1034
1035         case LFUN_REDO:
1036                 view()->redo();
1037                 break;
1038
1039         case LFUN_MENUSEARCH:
1040                 owner->getDialogs().showSearch();
1041                 break;
1042
1043         case LFUN_REMOVEERRORS:
1044                 if (view()->removeAutoInsets()) {
1045 #warning repaint() or update() or nothing ?
1046                         view()->repaint();
1047                         view()->fitCursor();
1048                 }
1049                 break;
1050
1051         case LFUN_DEPTH_MIN:
1052                 changeDepth(view(), TEXT(false), -1);
1053                 break;
1054
1055         case LFUN_DEPTH_PLUS:
1056                 changeDepth(view(), TEXT(false), 1);
1057                 break;
1058
1059         case LFUN_FREE:
1060                 owner->getDialogs().setUserFreeFont();
1061                 break;
1062
1063         case LFUN_RECONFIGURE:
1064                 Reconfigure(view());
1065                 break;
1066
1067 #if 0
1068         case LFUN_FLOATSOPERATE:
1069                 if (argument == "openfoot")
1070                         view()->allFloats(1,0);
1071                 else if (argument == "closefoot")
1072                         view()->allFloats(0,0);
1073                 else if (argument == "openfig")
1074                         view()->allFloats(1,1);
1075                 else if (argument == "closefig")
1076                         view()->allFloats(0,1);
1077                 break;
1078 #else
1079 #ifdef WITH_WARNINGS
1080 //#warning Find another implementation here (or another lyxfunc)!
1081 #endif
1082 #endif
1083         case LFUN_HELP_ABOUTLYX:
1084                 owner->getDialogs().showAboutlyx();
1085                 break;
1086
1087         case LFUN_HELP_TEXINFO:
1088                 owner->getDialogs().showTexinfo();
1089                 break;
1090
1091         case LFUN_HELP_OPEN:
1092         {
1093                 string const arg = argument;
1094                 if (arg.empty()) {
1095                         setErrorMessage(N_("Missing argument"));
1096                         break;
1097                 }
1098                 owner->prohibitInput();
1099                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1100                 if (fname.empty()) {
1101                         lyxerr << "LyX: unable to find documentation file `"
1102                                << arg << "'. Bad installation?" << endl;
1103                         owner->allowInput();
1104                         break;
1105                 }
1106                 ostringstream str;
1107                 str << _("Opening help file") << ' '
1108                     << MakeDisplayPath(fname) << "...";
1109                 owner->message(str.str().c_str());
1110                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1111                 owner->allowInput();
1112                 break;
1113         }
1114
1115                 // --- version control -------------------------------
1116         case LFUN_VC_REGISTER:
1117         {
1118                 if (!owner->buffer()->lyxvc.inUse())
1119                         owner->buffer()->lyxvc.registrer();
1120         }
1121         break;
1122
1123         case LFUN_VC_CHECKIN:
1124         {
1125                 if (owner->buffer()->lyxvc.inUse()
1126                     && !owner->buffer()->isReadonly())
1127                         owner->buffer()->lyxvc.checkIn();
1128         }
1129         break;
1130
1131         case LFUN_VC_CHECKOUT:
1132         {
1133                 if (owner->buffer()->lyxvc.inUse()
1134                     && owner->buffer()->isReadonly())
1135                         owner->buffer()->lyxvc.checkOut();
1136         }
1137         break;
1138
1139         case LFUN_VC_REVERT:
1140         {
1141                 owner->buffer()->lyxvc.revert();
1142         }
1143         break;
1144
1145         case LFUN_VC_UNDO:
1146         {
1147                 owner->buffer()->lyxvc.undoLast();
1148         }
1149         break;
1150
1151         case LFUN_VC_HISTORY:
1152         {
1153                 owner->getDialogs().showVCLogFile();
1154                 break;
1155         }
1156
1157         // --- buffers ----------------------------------------
1158
1159         case LFUN_SWITCHBUFFER:
1160                 view()->buffer(bufferlist.getBuffer(argument));
1161                 break;
1162
1163         case LFUN_FILE_NEW:
1164         {
1165                 // servercmd: argument must be <file>:<template>
1166                 Buffer * tmpbuf = NewFile(argument);
1167                 if (tmpbuf)
1168                         view()->buffer(tmpbuf);
1169         }
1170         break;
1171
1172         case LFUN_FILE_OPEN:
1173                 open(argument);
1174                 break;
1175
1176         case LFUN_LATEX_LOG:
1177                 owner->getDialogs().showLogFile();
1178                 break;
1179
1180         case LFUN_LAYOUT_DOCUMENT:
1181                 owner->getDialogs().showDocument();
1182                 break;
1183
1184         case LFUN_LAYOUT_PARAGRAPH:
1185                 owner->getDialogs().showParagraph();
1186                 break;
1187
1188         case LFUN_LAYOUT_CHARACTER:
1189                 owner->getDialogs().showCharacter();
1190                 break;
1191
1192         case LFUN_LAYOUT_TABULAR:
1193             if (view()->theLockingInset()) {
1194                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1195                     InsetTabular * inset = static_cast<InsetTabular *>
1196                         (view()->theLockingInset());
1197                     inset->openLayoutDialog(view());
1198                 } else if (view()->theLockingInset()->
1199                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1200                     InsetTabular * inset = static_cast<InsetTabular *>(
1201                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1202                     inset->openLayoutDialog(view());
1203                 }
1204             }
1205             break;
1206
1207         case LFUN_LAYOUT_PREAMBLE:
1208                 owner->getDialogs().showPreamble();
1209                 break;
1210
1211         case LFUN_DROP_LAYOUTS_CHOICE:
1212                 owner->getToolbar().openLayoutList();
1213                 break;
1214
1215         case LFUN_MENU_OPEN_BY_NAME:
1216                 owner->getMenubar().openByName(argument);
1217                 break; // RVDK_PATCH_5
1218
1219         case LFUN_SPELLCHECK:
1220                 owner->getDialogs().showSpellchecker();
1221                 break;
1222
1223         // --- lyxserver commands ----------------------------
1224
1225
1226         case LFUN_GETNAME:
1227                 setMessage(owner->buffer()->fileName());
1228                 lyxerr[Debug::INFO] << "FNAME["
1229                                << owner->buffer()->fileName()
1230                                << "] " << endl;
1231                 break;
1232
1233         case LFUN_NOTIFY:
1234         {
1235                 dispatch_buffer = keyseq.print();
1236                 lyxserver->notifyClient(dispatch_buffer);
1237         }
1238         break;
1239
1240         case LFUN_GOTOFILEROW:
1241         {
1242                 string file_name;
1243                 int row;
1244                 istringstream istr(argument.c_str());
1245                 istr >> file_name >> row;
1246                 // Must replace extension of the file to be .lyx and get full path
1247                 string const s(ChangeExtension(file_name, ".lyx"));
1248
1249                 // Either change buffer or load the file
1250                 if (bufferlist.exists(s)) {
1251                         view()->buffer(bufferlist.getBuffer(s));
1252                 } else {
1253                         view()->buffer(bufferlist.loadLyXFile(s));
1254                 }
1255
1256                 view()->setCursorFromRow(row);
1257
1258                 view()->center();
1259                 // see BufferView_pimpl::center()
1260                 view()->updateScrollbar();
1261         }
1262         break;
1263
1264         case LFUN_GOTO_PARAGRAPH:
1265         {
1266                 istringstream istr(argument.c_str());
1267
1268                 int id;
1269                 istr >> id;
1270                 Paragraph * par = owner->buffer()->getParFromID(id);
1271                 if (par == 0) {
1272                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1273                                             << id << "]" << endl;
1274                         break;
1275                 } else {
1276                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1277                                             << " found." << endl;
1278                 }
1279
1280                 if (view()->theLockingInset())
1281                         view()->unlockInset(view()->theLockingInset());
1282                 if (par->inInset()) {
1283                         par->inInset()->edit(view());
1284                 }
1285                 // Set the cursor
1286                 view()->getLyXText()->setCursor(view(), par, 0);
1287                 view()->switchKeyMap();
1288                 owner->view_state_changed();
1289
1290                 view()->center();
1291                 // see BufferView_pimpl::center()
1292                 view()->updateScrollbar();
1293         }
1294         break;
1295
1296         case LFUN_APROPOS:
1297         case LFUN_GETTIP:
1298         {
1299                 int const qa = lyxaction.LookupFunc(argument);
1300                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1301         }
1302         break;
1303
1304         // --- insert characters ----------------------------------------
1305
1306         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1307         case LFUN_MATH_EXTERN:
1308         case LFUN_MATH_NUMBER:
1309         case LFUN_MATH_NONUMBER:
1310         case LFUN_MATH_LIMITS:
1311         {
1312                 setErrorMessage(N_("This is only allowed in math mode!"));
1313         }
1314         break;
1315
1316         // passthrough hat and underscore outside mathed:
1317         case LFUN_SUBSCRIPT:
1318                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1319                 break;
1320         case LFUN_SUPERSCRIPT:
1321                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1322                 break;
1323
1324         case LFUN_MATH_PANEL:
1325                 owner->getDialogs().showMathPanel();
1326                 break;
1327
1328         case LFUN_CITATION_CREATE:
1329         {
1330                 InsetCommandParams p("cite");
1331
1332                 if (!argument.empty()) {
1333                         // This should be set at source, ie when typing
1334                         // "citation-insert foo" in the minibuffer.
1335                         // Question: would pybibliographer also need to be
1336                         // changed. Suspect so. Leave as-is therefore.
1337                         if (contains(argument, "|")) {
1338                                 p.setContents(token(argument, '|', 0));
1339                                 p.setOptions(token(argument, '|', 1));
1340                         } else {
1341                                 p.setContents(argument);
1342                         }
1343                         dispatch(FuncRequest(view(), LFUN_CITATION_INSERT, p.getAsString()));
1344                 } else
1345                         owner->getDialogs().createCitation(p.getAsString());
1346         }
1347         break;
1348
1349         case LFUN_CHILDOPEN:
1350         {
1351                 string const filename =
1352                         MakeAbsPath(argument,
1353                                     owner->buffer()->filePath());
1354                 setMessage(N_("Opening child document ") +
1355                            MakeDisplayPath(filename) + "...");
1356                 view()->savePosition(0);
1357                 if (bufferlist.exists(filename))
1358                         view()->buffer(bufferlist.getBuffer(filename));
1359                 else
1360                         view()->buffer(bufferlist.loadLyXFile(filename));
1361         }
1362         break;
1363
1364         case LFUN_TOGGLECURSORFOLLOW:
1365                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1366                 break;
1367
1368         case LFUN_KMAP_OFF:
1369                 owner->getIntl().KeyMapOn(false);
1370                 break;
1371
1372         case LFUN_KMAP_PRIM:
1373                 owner->getIntl().KeyMapPrim();
1374                 break;
1375
1376         case LFUN_KMAP_SEC:
1377                 owner->getIntl().KeyMapSec();
1378                 break;
1379
1380         case LFUN_KMAP_TOGGLE:
1381                 owner->getIntl().ToggleKeyMap();
1382                 break;
1383
1384         case LFUN_SEQUENCE:
1385         {
1386                 // argument contains ';'-terminated commands
1387                 while (!argument.empty()) {
1388                         string first;
1389                         argument = split(argument, first, ';');
1390                         dispatch(first);
1391                 }
1392         }
1393         break;
1394
1395         case LFUN_DIALOG_PREFERENCES:
1396                 owner->getDialogs().showPreferences();
1397                 break;
1398
1399         case LFUN_SAVEPREFERENCES:
1400         {
1401                 Path p(user_lyxdir);
1402                 lyxrc.write("preferences");
1403         }
1404         break;
1405
1406         case LFUN_SCREEN_FONT_UPDATE:
1407         {
1408                 // handle the screen font changes.
1409                 lyxrc.set_font_norm_type();
1410                 lyx_gui::update_fonts();
1411                 // We also need to empty the textcache so that
1412                 // the buffer will be formatted correctly after
1413                 // a zoom change.
1414                 textcache.clear();
1415                 // Of course we should only do the resize and the textcache.clear
1416                 // if values really changed...but not very important right now. (Lgb)
1417                 // All visible buffers will need resize
1418                 view()->resize();
1419                 view()->repaint();
1420         }
1421         break;
1422
1423         case LFUN_SET_COLOR:
1424         {
1425                 string lyx_name;
1426                 string const x11_name = split(argument, lyx_name, ' ');
1427                 if (lyx_name.empty() || x11_name.empty()) {
1428                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1429                                                 " <x11_name>"));
1430                         break;
1431                         }
1432
1433                 bool const graphicsbg_changed =
1434                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1435                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1436
1437                 if (!lcolor.setColor(lyx_name, x11_name)) {
1438                         static string const err1 (N_("Set-color \""));
1439                         static string const err2 (
1440                                 N_("\" failed - color is undefined "
1441                                    "or may not be redefined"));
1442                         setErrorMessage(_(err1) + lyx_name + _(err2));
1443                         break;
1444                 }
1445
1446                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1447
1448                 if (graphicsbg_changed) {
1449 #ifdef WITH_WARNINGS
1450 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1451 #endif
1452 #if 0
1453                         grfx::GCache & gc = grfx::GCache::get();
1454                         gc.changeDisplay(true);
1455 #endif
1456                 }
1457
1458                 view()->repaint();
1459                 break;
1460         }
1461
1462         case LFUN_MESSAGE:
1463                 owner->message(argument);
1464                 break;
1465
1466         case LFUN_FORKS_SHOW:
1467                 owner->getDialogs().showForks();
1468                 break;
1469
1470         case LFUN_FORKS_KILL:
1471         {
1472                 if (!isStrInt(argument))
1473                         break;
1474
1475                 pid_t const pid = strToInt(argument);
1476                 ForkedcallsController & fcc = ForkedcallsController::get();
1477                 fcc.kill(pid);
1478                 break;
1479         }
1480
1481         case LFUN_TOOLTIPS_TOGGLE:
1482                 owner->getDialogs().toggleTooltips();
1483                 break;
1484
1485         default:
1486                 // Then if it was none of the above
1487                 // Trying the BufferView::pimpl dispatch:
1488                 if (!view()->dispatch(ev))
1489                         lyxerr << "A truly unknown func ["
1490                                << lyxaction.getActionName(ev.action) << "]!"
1491                                << endl;
1492                 break;
1493         } // end of switch
1494
1495 exit_with_message:
1496         sendDispatchMessage(getMessage(), ev, verbose);
1497 }
1498
1499
1500 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1501 {
1502         owner->updateMenubar();
1503         owner->updateToolbar();
1504
1505         if (ev.action == LFUN_SELFINSERT || !verbose) {
1506                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1507                 if (!msg.empty())
1508                         owner->message(msg);
1509                 return;
1510         }
1511
1512         string dispatch_msg = msg;
1513         if (!dispatch_msg.empty())
1514                 dispatch_msg += " ";
1515
1516         string comname = lyxaction.getActionName(ev.action);
1517
1518         int pseudoaction = ev.action;
1519         bool argsadded = false;
1520
1521         if (!ev.argument.empty()) {
1522                 // the pseudoaction is useful for the bindings
1523                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1524
1525                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1526                         pseudoaction = ev.action;
1527                 } else {
1528                         comname += " " + ev.argument;
1529                         argsadded = true;
1530                 }
1531         }
1532
1533         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1534
1535         if (!shortcuts.empty()) {
1536                 comname += ": " + shortcuts;
1537         } else if (!argsadded && !ev.argument.empty()) {
1538                 comname += " " + ev.argument;
1539         }
1540
1541         if (!comname.empty()) {
1542                 comname = rtrim(comname);
1543                 dispatch_msg += "(" + comname + ')';
1544         }
1545
1546         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1547         if (!dispatch_msg.empty())
1548                 owner->message(dispatch_msg);
1549 }
1550
1551
1552 void LyXFunc::setupLocalKeymap()
1553 {
1554         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1555         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1556 }
1557
1558
1559 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1560 {
1561         string initpath = lyxrc.document_path;
1562         string filename(name);
1563
1564         if (view()->available()) {
1565                 string const trypath = owner->buffer()->filePath();
1566                 // If directory is writeable, use this as default.
1567                 if (IsDirWriteable(trypath))
1568                         initpath = trypath;
1569         }
1570
1571         static int newfile_number;
1572
1573         if (filename.empty()) {
1574                 filename = AddName(lyxrc.document_path,
1575                             "newfile" + tostr(++newfile_number) + ".lyx");
1576                 FileInfo fi(filename);
1577                 while (bufferlist.exists(filename) || fi.readable()) {
1578                         ++newfile_number;
1579                         filename = AddName(lyxrc.document_path,
1580                                     "newfile" + tostr(newfile_number) +
1581                                     ".lyx");
1582                         fi.newFile(filename);
1583                 }
1584         }
1585
1586         // The template stuff
1587         string templname;
1588         if (fromTemplate) {
1589                 FileDialog fileDlg(owner, _("Select template file"),
1590                         LFUN_SELECT_FILE_SYNC,
1591                         make_pair(string(_("Documents|#o#O")),
1592                                   string(lyxrc.document_path)),
1593                         make_pair(string(_("Templates|#T#t")),
1594                                   string(lyxrc.template_path)));
1595
1596                 FileDialog::Result result =
1597                         fileDlg.Select(lyxrc.template_path,
1598                                        _("*.lyx|LyX Documents (*.lyx)"));
1599
1600                 if (result.first == FileDialog::Later)
1601                         return;
1602
1603                 string const fname = result.second;
1604
1605                 if (fname.empty())
1606                         return;
1607                 templname = fname;
1608         }
1609
1610         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1611 }
1612
1613
1614 void LyXFunc::open(string const & fname)
1615 {
1616         string initpath = lyxrc.document_path;
1617
1618         if (view()->available()) {
1619                 string const trypath = owner->buffer()->filePath();
1620                 // If directory is writeable, use this as default.
1621                 if (IsDirWriteable(trypath))
1622                         initpath = trypath;
1623         }
1624
1625         string filename;
1626
1627         if (fname.empty()) {
1628                 FileDialog fileDlg(owner, _("Select document to open"),
1629                         LFUN_FILE_OPEN,
1630                         make_pair(string(_("Documents|#o#O")),
1631                                   string(lyxrc.document_path)),
1632                         make_pair(string(_("Examples|#E#e")),
1633                                   string(AddPath(system_lyxdir, "examples"))));
1634
1635                 FileDialog::Result result =
1636                         fileDlg.Select(initpath,
1637                                        "*.lyx|LyX Documents (*.lyx)");
1638
1639                 if (result.first == FileDialog::Later)
1640                         return;
1641
1642                 filename = result.second;
1643
1644                 // check selected filename
1645                 if (filename.empty()) {
1646                         owner->message(_("Canceled."));
1647                         return;
1648                 }
1649         } else
1650                 filename = fname;
1651
1652         // get absolute path of file and add ".lyx" to the filename if
1653         // necessary
1654         string const fullpath = FileSearch(string(), filename, "lyx");
1655         if (!fullpath.empty()) {
1656                 filename = fullpath;
1657         }
1658
1659         string const disp_fn(MakeDisplayPath(filename));
1660
1661         // if the file doesn't exist, let the user create one
1662         FileInfo const f(filename, true);
1663         if (!f.exist()) {
1664                 if (!Alert::askQuestion(_("No such file"), disp_fn,
1665                         _("Start a new document with this filename ?"))) {
1666                         owner->message(_("Canceled"));
1667                         return;
1668                 }
1669                 // the user specifically chose this name. Believe them.
1670                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1671                 view()->buffer(buffer);
1672                 return;
1673         }
1674
1675         ostringstream str;
1676         str << _("Opening document") << ' ' << disp_fn << "...";
1677
1678         owner->message(str.str().c_str());
1679
1680         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1681         if (openbuf) {
1682                 view()->buffer(openbuf);
1683                 ostringstream str;
1684                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1685                 owner->message(str.str().c_str());
1686         } else {
1687                 ostringstream str;
1688                 str << _("Could not open document") << ' ' << disp_fn;
1689                 owner->message(str.str().c_str());
1690         }
1691 }
1692
1693
1694 void LyXFunc::doImport(string const & argument)
1695 {
1696         string format;
1697         string filename = split(argument, format, ' ');
1698
1699         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1700                             << " file: " << filename << endl;
1701
1702         // need user interaction
1703         if (filename.empty()) {
1704                 string initpath = lyxrc.document_path;
1705
1706                 if (view()->available()) {
1707                         string const trypath = owner->buffer()->filePath();
1708                         // If directory is writeable, use this as default.
1709                         if (IsDirWriteable(trypath))
1710                                 initpath = trypath;
1711                 }
1712
1713                 string const text = _("Select ") + formats.prettyName(format)
1714                         + _(" file to import");
1715
1716                 FileDialog fileDlg(owner, text,
1717                         LFUN_IMPORT,
1718                         make_pair(string(_("Documents|#o#O")),
1719                                   string(lyxrc.document_path)),
1720                         make_pair(string(_("Examples|#E#e")),
1721                                   string(AddPath(system_lyxdir, "examples"))));
1722
1723                 string const extension = "*." + formats.extension(format)
1724                         + "| " + formats.prettyName(format)
1725                         + " (*." + formats.extension(format) + ")";
1726
1727                 FileDialog::Result result = fileDlg.Select(initpath,
1728                                                            extension);
1729
1730                 if (result.first == FileDialog::Later)
1731                         return;
1732
1733                 filename = result.second;
1734
1735                 // check selected filename
1736                 if (filename.empty())
1737                         owner->message(_("Canceled."));
1738         }
1739
1740         if (filename.empty())
1741                 return;
1742
1743         // get absolute path of file
1744         filename = MakeAbsPath(filename);
1745
1746         string const lyxfile = ChangeExtension(filename, ".lyx");
1747
1748         // Check if the document already is open
1749         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1750                 switch (Alert::askConfirmation(_("Document is already open:"),
1751                                         MakeDisplayPath(lyxfile, 50),
1752                                         _("Do you want to close that document now?\n"
1753                                           "('No' will just switch to the open version)")))
1754                         {
1755                         case 1:
1756                                 // If close is canceled, we cancel here too.
1757                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1758                                         return;
1759                                 break;
1760                         case 2:
1761                                 view()->buffer(bufferlist.getBuffer(lyxfile));
1762                                 return;
1763                         case 3:
1764                                 owner->message(_("Canceled."));
1765                                 return;
1766                         }
1767         }
1768
1769         // if the file exists already, and we didn't do
1770         // -i lyx thefile.lyx, warn
1771         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1772                 if (!Alert::askQuestion(_("A document by the name"),
1773                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1774                         owner->message(_("Canceled"));
1775                         return;
1776                 }
1777         }
1778
1779         Importer::Import(owner, filename, format);
1780 }
1781
1782
1783 void LyXFunc::reloadBuffer()
1784 {
1785         string const fn = owner->buffer()->fileName();
1786         if (bufferlist.close(owner->buffer()))
1787                 view()->buffer(bufferlist.loadLyXFile(fn));
1788 }
1789
1790
1791 void LyXFunc::closeBuffer()
1792 {
1793         if (bufferlist.close(owner->buffer()) && !quitting) {
1794                 if (bufferlist.empty()) {
1795                         // need this otherwise SEGV may occur while trying to
1796                         // set variables that don't exist
1797                         // since there's no current buffer
1798                         owner->getDialogs().hideBufferDependent();
1799                 } else {
1800                         view()->buffer(bufferlist.first());
1801                 }
1802         }
1803 }
1804
1805
1806 // Each "owner" should have it's own message method. lyxview and
1807 // the minibuffer would use the minibuffer, but lyxserver would
1808 // send an ERROR signal to its client.  Alejandro 970603
1809 // This func is bit problematic when it comes to NLS, to make the
1810 // lyx servers client be language indepenent we must not translate
1811 // strings sent to this func.
1812 void LyXFunc::setErrorMessage(string const & m) const
1813 {
1814         dispatch_buffer = m;
1815         errorstat = true;
1816 }
1817
1818
1819 void LyXFunc::setMessage(string const & m) const
1820 {
1821         dispatch_buffer = m;
1822 }
1823
1824
1825 void LyXFunc::setStatusMessage(string const & m) const
1826 {
1827         status_buffer = m;
1828 }
1829
1830
1831 string const LyXFunc::view_status_message()
1832 {
1833         // When meta-fake key is pressed, show the key sequence so far + "M-".
1834         if (wasMetaKey()) {
1835                 return keyseq.print() + "M-";
1836         }
1837
1838         // Else, when a non-complete key sequence is pressed,
1839         // show the available options.
1840         if (keyseq.length() > 0 && !keyseq.deleted()) {
1841                 return keyseq.printOptions();
1842         }
1843
1844         if (!view()->available())
1845                 return _("Welcome to LyX!");
1846
1847         return currentState(view());
1848 }
1849
1850
1851 BufferView * LyXFunc::view() const
1852 {
1853         lyx::Assert(owner);
1854         return owner->view().get();
1855 }