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 #include "lyxfunc.h"
  14 #include "version.h"
  15 #include "kbmap.h"
  16 #include "lyxrow.h"
  17 #include "bufferlist.h"
  18 #include "BufferView.h"
  19 #include "lyxserver.h"
  20 #include "intl.h"
  21 #include "lyx_main.h"
  22 #include "lyx_cb.h"
  23 #include "LyXAction.h"
  24 #include "debug.h"
  25 #include "lyxrc.h"
  26 #include "lyxtext.h"
  27 #include "gettext.h"
  28 #include "Lsstream.h"
  29 #include "trans_mgr.h"
  30 #include "encoding.h"
  31 #include "layout.h"
  32 #include "bufferview_funcs.h"
  33 #include "frontends/LyXView.h"
  34 #include "frontends/lyx_gui.h"
  35 #include "vspace.h"
  36 #include "FloatList.h"
  37 #include "converter.h"
  38 #include "exporter.h"
  39 #include "importer.h"
  40 #include "TextCache.h"
  41 #include "lyxfind.h"
  42 #include "undo_funcs.h"
  43 #include "ParagraphParameters.h"
  44
  45 #include "insets/insetcommand.h"
  46 #include "insets/insettabular.h"
  47
  48 #include "mathed/formulamacro.h"
  49 #include "mathed/math_cursor.h"
  50 #include "mathed/math_inset.h"
  51
  52 #include "frontends/FileDialog.h"
  53 #include "frontends/Dialogs.h"
  54 #include "frontends/Toolbar.h"
  55 #include "frontends/Menubar.h"
  56 #include "frontends/Alert.h"
  57
  58 #include "graphics/GraphicsCache.h"
  59
  60 #include "support/lyxalgo.h"
  61 #include "support/LAssert.h"
  62 #include "support/filetools.h"
  63 #include "support/FileInfo.h"
  64 #include "support/forkedcontr.h"
  65 #include "support/lstrings.h"
  66 #include "support/path.h"
  67 #include "support/lyxfunctional.h"
  68
  69 #include "BoostFormat.h"
  70
  71 #include <ctime>
  72 #include <clocale>
  73 #include <cstdlib>
  74 #include <cctype>
  75
  76 #include <utility>
  77 #include <algorithm>
  78
  79 using std::pair;
  80 using std::make_pair;
  81 using std::endl;
  82 using std::find_if;
  83 using std::vector;
  84 using std::transform;
  85 using std::back_inserter;
  86
  87 extern BufferList bufferlist;
  88 extern LyXServer * lyxserver;
  89 extern bool selection_possible;
  90
  91 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
  92
  93 // (alkis)
  94 extern tex_accent_struct get_accent(kb_action action);
  95
  96 extern void ShowLatexLog();
  97
  98
  99 LyXFunc::LyXFunc(LyXView * o)
 100         : owner(o),
 101         encoded_last_key(0),
 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)->isTopLevel())
 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 = encoded_last_key;
 136
 137         if (keyseq.length()) {
 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                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 173                 return;
 174         }
 175
 176         Encoding const * encoding = view()->getEncoding();
 177
 178         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 179
 180         // Do a one-deep top-level lookup for
 181         // cancel and meta-fake keys. RVDK_PATCH_5
 182         cancel_meta_seq.reset();
 183
 184         int action = cancel_meta_seq.addkey(keysym, state);
 185         lyxerr[Debug::KEY] << "action first set to [" << action << ']' << endl;
 186
 187         // When not cancel or meta-fake, do the normal lookup.
 188         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 189         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 190         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 191                 // remove Caps Lock and Mod2 as a modifiers
 192                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 193                 lyxerr[Debug::KEY] << "action now set to ["
 194                         << action << ']' << endl;
 195         }
 196
 197         // Dont remove this unless you know what you are doing.
 198         meta_fake_bit = key_modifier::none;
 199
 200         // can this happen now ?
 201         if (action == LFUN_NOACTION) {
 202                 action = LFUN_PREFIX;
 203         }
 204
 205         if (lyxerr.debugging(Debug::KEY)) {
 206                 lyxerr << "Key [action="
 207                        << action << "]["
 208                        << keyseq.print() << ']'
 209                        << endl;
 210         }
 211
 212         // already here we know if it any point in going further
 213         // why not return already here if action == -1 and
 214         // num_bytes == 0? (Lgb)
 215
 216         if (keyseq.length() > 1) {
 217                 owner->message(keyseq.print());
 218         }
 219
 220
 221         // Maybe user can only reach the key via holding down shift.
 222         // Let's see. But only if shift is the only modifier
 223         if (action == LFUN_UNKNOWN_ACTION && state == key_modifier::shift) {
 224                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 225                 action = keyseq.addkey(keysym, key_modifier::none);
 226                 lyxerr[Debug::KEY] << "Action now " << action << endl;
 227         }
 228
 229         if (action == LFUN_UNKNOWN_ACTION) {
 230                 // Hmm, we didn't match any of the keysequences. See
 231                 // if it's normal insertable text not already covered
 232                 // by a binding
 233                 if (keysym->isText() && keyseq.length() == 1) {
 234                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 235                         action = LFUN_SELFINSERT;
 236                 } else {
 237                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 238                         owner->message(_("Unknown function."));
 239                         return;
 240                 }
 241         }
 242
 243         if (action == LFUN_SELFINSERT) {
 244                 if (encoded_last_key != 0) {
 245                         string arg;
 246                         arg += encoded_last_key;
 247
 248                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 249
 250                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 251                                    << argument << "']" << endl;
 252                 }
 253         } else {
 254                 dispatch(action);
 255         }
 256 }
 257
 258
 259 FuncStatus LyXFunc::getStatus(int ac) const
 260 {
 261         return getStatus(lyxaction.retrieveActionArg(ac));
 262 }
 263
 264
 265 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 266 {
 267         FuncStatus flag;
 268         Buffer * buf = owner->buffer();
 269
 270         if (ev.action == LFUN_NOACTION) {
 271                 setStatusMessage(N_("Nothing to do"));
 272                 return flag.disabled(true);
 273         }
 274
 275         switch (ev.action) {
 276         case LFUN_UNKNOWN_ACTION:
 277 #ifndef HAVE_LIBAIKSAURUS
 278         case LFUN_THESAURUS_ENTRY:
 279 #endif
 280                 flag.unknown(true);
 281                 break;
 282         default:
 283                 flag |= lyx_gui::getStatus(ev);
 284         }
 285
 286         if (flag.unknown()) {
 287                 setStatusMessage(N_("Unknown action"));
 288                 return flag;
 289         }
 290
 291         // the default error message if we disable the command
 292         setStatusMessage(N_("Command disabled"));
 293
 294         // Check whether we need a buffer
 295         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 296                 // Yes we need a buffer, do we have one?
 297                 if (buf) {
 298                         // yes
 299                         // Can we use a readonly buffer?
 300                         if (buf->isReadonly() &&
 301                             !lyxaction.funcHasFlag(ev.action,
 302                                                    LyXAction::ReadOnly)) {
 303                                 // no
 304                                 setStatusMessage(N_("Document is read-only"));
 305                                 flag.disabled(true);
 306                         }
 307                 } else {
 308                         // no
 309                         setStatusMessage(N_("Command not allowed with"
 310                                            "out any document open"));
 311                         return flag.disabled(true);
 312                 }
 313         }
 314
 315         UpdatableInset * tli = view()->theLockingInset();
 316
 317         // I would really like to avoid having this switch and rather try to
 318         // encode this in the function itself.
 319         bool disable = false;
 320         switch (ev.action) {
 321         case LFUN_MENUPRINT:
 322                 disable = !Exporter::IsExportable(buf, "dvi")
 323                         || lyxrc.print_command == "none";
 324                 break;
 325         case LFUN_EXPORT:
 326                 disable = ev.argument != "custom"
 327                         && !Exporter::IsExportable(buf, ev.argument);
 328                 break;
 329         case LFUN_UNDO:
 330                 disable = buf->undostack.empty();
 331                 break;
 332         case LFUN_REDO:
 333                 disable = buf->redostack.empty();
 334                 break;
 335         case LFUN_CUT:
 336         case LFUN_COPY:
 337                 if (tli) {
 338                         UpdatableInset * in = tli;
 339                         if (in->lyxCode() != Inset::TABULAR_CODE) {
 340                                 in = tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
 341                         }
 342                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 343                                 disable = false;
 344                                 break;
 345                         }
 346                 }
 347                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 348                 break;
 349         case LFUN_RUNCHKTEX:
 350                 disable = lyxrc.chktex_command == "none";
 351                 break;
 352         case LFUN_BUILDPROG:
 353                 disable = !Exporter::IsExportable(buf, "program");
 354                 break;
 355
 356         case LFUN_LAYOUT_CHARACTER:
 357                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 358                 break;
 359
 360         case LFUN_LAYOUT_TABULAR:
 361                 disable = !tli
 362                         || (tli->lyxCode() != Inset::TABULAR_CODE
 363                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 364                 break;
 365
 366         case LFUN_LAYOUT:
 367         case LFUN_LAYOUT_PARAGRAPH: {
 368                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 369                 disable = inset && inset->forceDefaultParagraphs(inset);
 370                 break;
 371         }
 372
 373         case LFUN_INSET_OPTARG:
 374                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
 375                 break;
 376
 377         case LFUN_TABULAR_FEATURE:
 378                 if (mathcursor) {
 379 #if 0
 380                         // FIXME: check temporarily disabled
 381                         // valign code
 382                         char align = mathcursor->valign();
 383                         if (align == '\0') {
 384                                 disable = true;
 385                                 break;
 386                         }
 387                         if (ev.argument.empty()) {
 388                                 flag.clear();
 389                                 break;
 390                         }
 391                         if (!contains("tcb", ev.argument[0])) {
 392                                 disable = true;
 393                                 break;
 394                         }
 395                         flag.setOnOff(ev.argument[0] == align);
 396                 } else
 397                         disable = true;
 398
 399                         char align = mathcursor->halign();
 400                         if (align == '\0') {
 401                                 disable = true;
 402                                 break;
 403                         }
 404                         if (ev.argument.empty()) {
 405                                 flag.clear();
 406                                 break;
 407                         }
 408                         if (!contains("lcr", ev.argument[0])) {
 409                                 disable = true;
 410                                 break;
 411                         }
 412                         flag.setOnOff(ev.argument[0] == align);
 413 #endif
 414
 415                         disable = !mathcursor->halign();
 416                         break;
 417                 }
 418
 419                 if (tli) {
 420                         FuncStatus ret;
 421                         //ret.disabled(true);
 422                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 423                                 ret = static_cast<InsetTabular *>(tli)
 424                                         ->getStatus(ev.argument);
 425                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 426                                 ret = static_cast<InsetTabular *>
 427                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 428                                         ->getStatus(ev.argument);
 429                         }
 430                         flag |= ret;
 431                         disable = false;
 432                 } else {
 433                         static InsetTabular inset(*owner->buffer(), 1, 1);
 434                         FuncStatus ret;
 435
 436                         disable = true;
 437                         ret = inset.getStatus(ev.argument);
 438                         if (ret.onoff(true) || ret.onoff(false))
 439                                 flag.setOnOff(false);
 440                 }
 441                 break;
 442
 443         case LFUN_VC_REGISTER:
 444                 disable = buf->lyxvc.inUse();
 445                 break;
 446         case LFUN_VC_CHECKIN:
 447                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 448                 break;
 449         case LFUN_VC_CHECKOUT:
 450                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 451                 break;
 452         case LFUN_VC_REVERT:
 453         case LFUN_VC_UNDO:
 454         case LFUN_VC_HISTORY:
 455                 disable = !buf->lyxvc.inUse();
 456                 break;
 457         case LFUN_BOOKMARK_GOTO:
 458                 disable =  !view()->
 459                         isSavedPosition(strToUnsignedInt(ev.argument));
 460                 break;
 461         case LFUN_MERGE_CHANGES:
 462         case LFUN_ACCEPT_CHANGE:
 463         case LFUN_REJECT_CHANGE:
 464         case LFUN_ACCEPT_ALL_CHANGES:
 465         case LFUN_REJECT_ALL_CHANGES:
 466                 disable = !buf->params.tracking_changes;
 467                 break;
 468         case LFUN_INSET_TOGGLE: {
 469                 LyXText * lt = view()->getLyXText();
 470                 disable = !(isEditableInset(lt->getInset())
 471                             || (lt->inset_owner
 472                                 && lt->inset_owner->owner()
 473                                 && lt->inset_owner->owner()->isOpen()));
 474                 break;
 475         }
 476         case LFUN_LATEX_LOG:
 477                 disable = !IsFileReadable(buf->getLogName().second);
 478                 break;
 479
 480         case LFUN_MATH_MUTATE:
 481                 if (mathcursor)
 482                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 483                         flag.setOnOff(false);
 484                 else
 485                         disable = true;
 486                 break;
 487
 488         // we just need to be in math mode to enable that
 489         case LFUN_MATH_SIZE:
 490         case LFUN_MATH_SPACE:
 491         case LFUN_MATH_LIMITS:
 492         case LFUN_MATH_NONUMBER:
 493         case LFUN_MATH_NUMBER:
 494         case LFUN_MATH_EXTERN:
 495                 disable = !mathcursor;
 496                 break;
 497
 498         default:
 499                 break;
 500         }
 501
 502         // the functions which insert insets
 503         Inset::Code code = Inset::NO_CODE;
 504         switch (ev.action) {
 505         case LFUN_INSET_ERT:
 506                 code = Inset::ERT_CODE;
 507                 break;
 508         case LFUN_INSET_GRAPHICS:
 509                 code = Inset::GRAPHICS_CODE;
 510                 break;
 511         case LFUN_INSET_FOOTNOTE:
 512                 code = Inset::FOOT_CODE;
 513                 break;
 514         case LFUN_TABULAR_INSERT:
 515                 code = Inset::TABULAR_CODE;
 516                 break;
 517         case LFUN_INSET_EXTERNAL:
 518                 code = Inset::EXTERNAL_CODE;
 519                 break;
 520         case LFUN_INSET_MARGINAL:
 521                 code = Inset::MARGIN_CODE;
 522                 break;
 523         case LFUN_INSET_MINIPAGE:
 524                 code = Inset::MINIPAGE_CODE;
 525                 break;
 526         case LFUN_INSET_FLOAT:
 527         case LFUN_INSET_WIDE_FLOAT:
 528                 code = Inset::FLOAT_CODE;
 529                 break;
 530         case LFUN_INSET_WRAP:
 531                 code = Inset::WRAP_CODE;
 532                 break;
 533         case LFUN_FLOAT_LIST:
 534                 code = Inset::FLOAT_LIST_CODE;
 535                 break;
 536 #if 0
 537         case LFUN_INSET_LIST:
 538                 code = Inset::LIST_CODE;
 539                 break;
 540         case LFUN_INSET_THEOREM:
 541                 code = Inset::THEOREM_CODE;
 542                 break;
 543 #endif
 544         case LFUN_INSET_CAPTION:
 545                 code = Inset::CAPTION_CODE;
 546                 break;
 547         case LFUN_INSERT_NOTE:
 548                 code = Inset::NOTE_CODE;
 549                 break;
 550         case LFUN_INSERT_LABEL:
 551                 code = Inset::LABEL_CODE;
 552                 break;
 553         case LFUN_INSET_OPTARG:
 554                 code = Inset::OPTARG_CODE;
 555                 break;
 556         case LFUN_REF_INSERT:
 557                 code = Inset::REF_CODE;
 558                 break;
 559         case LFUN_CITATION_CREATE:
 560         case LFUN_CITATION_INSERT:
 561                 code = Inset::CITE_CODE;
 562                 break;
 563         case LFUN_INSERT_BIBTEX:
 564                 code = Inset::BIBTEX_CODE;
 565                 break;
 566         case LFUN_INDEX_INSERT:
 567                 code = Inset::INDEX_CODE;
 568                 break;
 569         case LFUN_INDEX_PRINT:
 570                 code = Inset::INDEX_PRINT_CODE;
 571                 break;
 572         case LFUN_CHILD_INSERT:
 573                 code = Inset::INCLUDE_CODE;
 574                 break;
 575         case LFUN_TOC_INSERT:
 576                 code = Inset::TOC_CODE;
 577                 break;
 578         case LFUN_PARENTINSERT:
 579                 code = Inset::PARENT_CODE;
 580                 break;
 581         case LFUN_HTMLURL:
 582         case LFUN_URL:
 583         case LFUN_INSERT_URL:
 584                 code = Inset::URL_CODE;
 585                 break;
 586         case LFUN_QUOTE:
 587                 // always allow this, since we will inset a raw quote
 588                 // if an inset is not allowed.
 589                 break;
 590         case LFUN_HYPHENATION:
 591         case LFUN_LIGATURE_BREAK:
 592         case LFUN_HFILL:
 593         case LFUN_MENU_SEPARATOR:
 594         case LFUN_LDOTS:
 595         case LFUN_END_OF_SENTENCE:
 596                 code = Inset::SPECIALCHAR_CODE;
 597                 break;
 598         case LFUN_PROTECTEDSPACE:
 599                 // slight hack: we know this is allowed in math mode
 600                 if (!mathcursor)
 601                         code = Inset::SPECIALCHAR_CODE;
 602                 break;
 603         default:
 604                 break;
 605         }
 606         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 607                 disable = true;
 608
 609         if (disable)
 610                 flag.disabled(true);
 611
 612         // A few general toggles
 613         switch (ev.action) {
 614         case LFUN_TOOLTIPS_TOGGLE:
 615                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 616                 break;
 617
 618         case LFUN_READ_ONLY_TOGGLE:
 619                 flag.setOnOff(buf->isReadonly());
 620                 break;
 621         case LFUN_APPENDIX:
 622                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 623                 break;
 624         case LFUN_SWITCHBUFFER:
 625                 // toggle on the current buffer, but do not toggle off
 626                 // the other ones (is that a good idea?)
 627                 if (ev.argument == buf->fileName())
 628                         flag.setOnOff(true);
 629                 break;
 630         case LFUN_TRACK_CHANGES:
 631                 flag.setOnOff(buf->params.tracking_changes);
 632                 break;
 633         default:
 634                 break;
 635         }
 636
 637         // the font related toggles
 638         if (!mathcursor) {
 639                 LyXFont const & font = TEXT(false)->real_current_font;
 640                 switch (ev.action) {
 641                 case LFUN_EMPH:
 642                         flag.setOnOff(font.emph() == LyXFont::ON);
 643                         break;
 644                 case LFUN_NOUN:
 645                         flag.setOnOff(font.noun() == LyXFont::ON);
 646                         break;
 647                 case LFUN_BOLD:
 648                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 649                         break;
 650                 case LFUN_SANS:
 651                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 652                         break;
 653                 case LFUN_ROMAN:
 654                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 655                         break;
 656                 case LFUN_CODE:
 657                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 658                         break;
 659                 default:
 660                         break;
 661                 }
 662         } else {
 663                 string tc = mathcursor->getLastCode();
 664                 switch (ev.action) {
 665                 case LFUN_BOLD:
 666                         flag.setOnOff(tc == "mathbf");
 667                         break;
 668                 case LFUN_SANS:
 669                         flag.setOnOff(tc == "mathsf");
 670                         break;
 671                 case LFUN_EMPH:
 672                         flag.setOnOff(tc == "mathcal");
 673                         break;
 674                 case LFUN_ROMAN:
 675                         flag.setOnOff(tc == "mathrm");
 676                         break;
 677                 case LFUN_CODE:
 678                         flag.setOnOff(tc == "mathtt");
 679                         break;
 680                 case LFUN_NOUN:
 681                         flag.setOnOff(tc == "mathbb");
 682                         break;
 683                 case LFUN_DEFAULT:
 684                         flag.setOnOff(tc == "mathnormal");
 685                         break;
 686                 default:
 687                         break;
 688                 }
 689         }
 690
 691         // this one is difficult to get right. As a half-baked
 692         // solution, we consider only the first action of the sequence
 693         if (ev.action == LFUN_SEQUENCE) {
 694                 // argument contains ';'-terminated commands
 695                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 696         }
 697
 698         return flag;
 699 }
 700
 701
 702 void LyXFunc::dispatch(string const & s, bool verbose)
 703 {
 704         int const action = lyxaction.LookupFunc(s);
 705
 706         if (action == LFUN_UNKNOWN_ACTION) {
 707 #if USE_BOOST_FORMAT
 708 boost::format fmt(_("Unknown function (%1$s)"));
 709 fmt % s;
 710 owner->message(fmt.str());
 711 #else
 712                 string const msg = string(_("Unknown function ("))
 713                         + s + ')';
 714                 owner->message(msg);
 715 #endif
 716                 return;
 717         }
 718
 719         dispatch(action, verbose);
 720 }
 721
 722
 723 void LyXFunc::dispatch(int ac, bool verbose)
 724 {
 725         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 726 }
 727
 728
 729
 730 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 731 {
 732         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 733                               <<"] arg[" << ev.argument << ']' << endl;
 734
 735         // we have not done anything wrong yet.
 736         errorstat = false;
 737         dispatch_buffer.erase();
 738
 739 #ifdef NEW_DISPATCHER
 740         // We try do call the most specific dispatcher first:
 741         //  1. the lockinginset's dispatch
 742         //  2. the bufferview's dispatch
 743         //  3. the lyxview's dispatch
 744 #endif
 745
 746         selection_possible = false;
 747
 748         if (view()->available())
 749                 view()->hideCursor();
 750
 751         string argument = ev.argument;
 752         kb_action action = ev.action;
 753
 754         // We cannot use this function here
 755         if (getStatus(ev).disabled()) {
 756                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 757                        << lyxaction.getActionName(action)
 758                        << " [" << action << "] is disabled at this location"
 759                        << endl;
 760                 setErrorMessage(getStatusMessage());
 761                 goto exit_with_message;
 762         }
 763
 764         if (view()->available() && view()->theLockingInset()) {
 765                 Inset::RESULT result;
 766                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 767                                      (!keyseq.deleted())))
 768                 {
 769                         UpdatableInset * inset = view()->theLockingInset();
 770 #if 1
 771                         int inset_x;
 772                         int dummy_y;
 773                         inset->getCursorPos(view(), inset_x, dummy_y);
 774 #endif
 775                         if ((action == LFUN_UNKNOWN_ACTION)
 776                             && argument.empty()) {
 777                                 argument = encoded_last_key;
 778                         }
 779                         // Undo/Redo is a bit tricky for insets.
 780                         if (action == LFUN_UNDO) {
 781                                 view()->undo();
 782                                 goto exit_with_message;
 783                         } else if (action == LFUN_REDO) {
 784                                 view()->redo();
 785                                 goto exit_with_message;
 786                         } else if (((result=inset->
 787                                      // Hand-over to inset's own dispatch:
 788                                      localDispatch(FuncRequest(view(), action, argument))) ==
 789                                     UpdatableInset::DISPATCHED) ||
 790                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 791                                 goto exit_with_message;
 792                                         // If UNDISPATCHED, just soldier on
 793                         else if (result == UpdatableInset::FINISHED) {
 794                                 goto exit_with_message;
 795                                 // We do not need special RTL handling here:
 796                                 // FINISHED means that the cursor should be
 797                                 // one position after the inset.
 798                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 799                                 TEXT()->cursorRight(view());
 800                                 moveCursorUpdate(true, false);
 801                                 owner->view_state_changed();
 802                                 goto exit_with_message;
 803                         } else if (result == UpdatableInset::FINISHED_UP) {
 804                                 if (TEXT()->cursor.irow()->previous()) {
 805 #if 1
 806                                         TEXT()->setCursorFromCoordinates(
 807                                                 view(), TEXT()->cursor.ix() + inset_x,
 808                                                 TEXT()->cursor.iy() -
 809                                                 TEXT()->cursor.irow()->baseline() - 1);
 810                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 811 #else
 812                                         TEXT()->cursorUp(view());
 813 #endif
 814                                         moveCursorUpdate(true, false);
 815                                         owner->view_state_changed();
 816                                 } else {
 817                                         view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 818                                 }
 819                                 goto exit_with_message;
 820                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 821                                 if (TEXT()->cursor.irow()->next()) {
 822 #if 1
 823                                         TEXT()->setCursorFromCoordinates(
 824                                                 view(), TEXT()->cursor.ix() + inset_x,
 825                                                 TEXT()->cursor.iy() -
 826                                                 TEXT()->cursor.irow()->baseline() +
 827                                                 TEXT()->cursor.irow()->height() + 1);
 828                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 829 #else
 830                                         TEXT()->cursorDown(view());
 831 #endif
 832                                 } else {
 833                                         TEXT()->cursorRight(view());
 834                                 }
 835                                 moveCursorUpdate(true, false);
 836                                 owner->view_state_changed();
 837                                 goto exit_with_message;
 838                         }
 839 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 840                         else { // result == UNDISPATCHED
 841                                 //setMessage(N_("Text mode"));
 842                                 switch (action) {
 843                                 case LFUN_UNKNOWN_ACTION:
 844                                 case LFUN_BREAKPARAGRAPH:
 845                                 case LFUN_BREAKLINE:
 846                                         TEXT()->cursorRight(view());
 847                                         view()->switchKeyMap();
 848                                         owner->view_state_changed();
 849                                         break;
 850                                 case LFUN_RIGHT:
 851                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 852                                                 TEXT()->cursorRight(view());
 853                                                 moveCursorUpdate(true, false);
 854                                                 owner->view_state_changed();
 855                                         }
 856                                         goto exit_with_message;
 857                                 case LFUN_LEFT:
 858                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 859                                                 TEXT()->cursorRight(view());
 860                                                 moveCursorUpdate(true, false);
 861                                                 owner->view_state_changed();
 862                                         }
 863                                         goto exit_with_message;
 864                                 case LFUN_DOWN:
 865                                         if (TEXT()->cursor.row()->next())
 866                                                 TEXT()->cursorDown(view());
 867                                         else
 868                                                 TEXT()->cursorRight(view());
 869                                         moveCursorUpdate(true, false);
 870                                         owner->view_state_changed();
 871                                         goto exit_with_message;
 872                                 default:
 873                                         break;
 874                                 }
 875                         }
 876                 }
 877         }
 878
 879         switch (action) {
 880
 881         case LFUN_ESCAPE:
 882         {
 883                 if (!view()->available()) break;
 884                 // this function should be used always [asierra060396]
 885                 UpdatableInset * tli =
 886                         view()->theLockingInset();
 887                 if (tli) {
 888                         UpdatableInset * lock = tli->getLockingInset();
 889
 890                         if (tli == lock) {
 891                                 view()->unlockInset(tli);
 892                                 TEXT()->cursorRight(view());
 893                                 moveCursorUpdate(true, false);
 894                                 owner->view_state_changed();
 895                         } else {
 896                                 tli->unlockInsetInInset(view(),
 897                                                         lock,
 898                                                         true);
 899                         }
 900                         finishUndo();
 901                         // Tell the paragraph dialog that we changed paragraph
 902                         owner->getDialogs().updateParagraph();
 903                 }
 904         }
 905         break;
 906
 907                 // --- Misc -------------------------------------------
 908         case LFUN_WORDFINDFORWARD  :
 909         case LFUN_WORDFINDBACKWARD : {
 910                 static string last_search;
 911                 string searched_string;
 912
 913                 if (!argument.empty()) {
 914                         last_search = argument;
 915                         searched_string = argument;
 916                 } else {
 917                         searched_string = last_search;
 918                 }
 919                 bool fw = (action == LFUN_WORDFINDFORWARD);
 920                 if (!searched_string.empty()) {
 921                         lyxfind::LyXFind(view(), searched_string, fw);
 922                 }
 923 //              view()->showCursor();
 924         }
 925         break;
 926
 927         case LFUN_PREFIX:
 928         {
 929                 if (view()->available() && !view()->theLockingInset()) {
 930                         view()->update(TEXT(),
 931                                               BufferView::SELECT|BufferView::FITCUR);
 932                 }
 933                 owner->message(keyseq.printOptions());
 934         }
 935         break;
 936
 937         // --- Misc -------------------------------------------
 938         case LFUN_EXEC_COMMAND:
 939                 owner->focus_command_buffer();
 940                 break;
 941
 942         case LFUN_CANCEL:                   // RVDK_PATCH_5
 943                 keyseq.reset();
 944                 meta_fake_bit = key_modifier::none;
 945                 if (view()->available())
 946                         // cancel any selection
 947                         dispatch(LFUN_MARK_OFF);
 948                 setMessage(N_("Cancel"));
 949                 break;
 950
 951         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 952         {
 953                 meta_fake_bit = key_modifier::alt;
 954                 setMessage(keyseq.print());
 955         }
 956         break;
 957
 958         case LFUN_READ_ONLY_TOGGLE:
 959                 if (owner->buffer()->lyxvc.inUse()) {
 960                         owner->buffer()->lyxvc.toggleReadOnly();
 961                 } else {
 962                         owner->buffer()->setReadonly(
 963                                 !owner->buffer()->isReadonly());
 964                 }
 965                 break;
 966
 967         case LFUN_CENTER: // this is center and redraw.
 968                 view()->center();
 969                 break;
 970
 971                 // --- Menus -----------------------------------------------
 972         case LFUN_MENUNEW:
 973                 menuNew(argument, false);
 974                 break;
 975
 976         case LFUN_MENUNEWTMPLT:
 977                 menuNew(argument, true);
 978                 break;
 979
 980         case LFUN_CLOSEBUFFER:
 981                 closeBuffer();
 982                 break;
 983
 984         case LFUN_MENUWRITE:
 985                 if (!owner->buffer()->isUnnamed()) {
 986                         ostringstream s1;
 987 #if USE_BOOST_FORMAT
 988                         s1 << boost::format(_("Saving document %1$s..."))
 989                            % MakeDisplayPath(owner->buffer()->fileName());
 990 #else
 991                         s1 << _("Saving document ")
 992                            << MakeDisplayPath(owner->buffer()->fileName())
 993                            << _("...");
 994 #endif
 995                         owner->message(STRCONV(s1.str()));
 996                         MenuWrite(view(), owner->buffer());
 997                         s1 << _(" done.");
 998                         owner->message(STRCONV(s1.str()));
 999                 } else
1000                         WriteAs(view(), owner->buffer());
1001                 break;
1002
1003         case LFUN_WRITEAS:
1004                 WriteAs(view(), owner->buffer(), argument);
1005                 break;
1006
1007         case LFUN_MENURELOAD:
1008                 reloadBuffer();
1009                 break;
1010
1011         case LFUN_UPDATE:
1012                 Exporter::Export(owner->buffer(), argument, true);
1013                 break;
1014
1015         case LFUN_PREVIEW:
1016                 Exporter::Preview(owner->buffer(), argument);
1017                 break;
1018
1019         case LFUN_BUILDPROG:
1020                 Exporter::Export(owner->buffer(), "program", true);
1021                 break;
1022
1023         case LFUN_RUNCHKTEX:
1024                 MenuRunChktex(owner->buffer());
1025                 break;
1026
1027         case LFUN_MENUPRINT:
1028                 owner->getDialogs().showPrint();
1029                 break;
1030
1031         case LFUN_EXPORT:
1032                 if (argument == "custom")
1033                         owner->getDialogs().showSendto();
1034                 else
1035                         Exporter::Export(owner->buffer(), argument, false);
1036                 break;
1037
1038         case LFUN_IMPORT:
1039                 doImport(argument);
1040                 break;
1041
1042         case LFUN_QUIT:
1043                 QuitLyX();
1044                 break;
1045
1046         case LFUN_TOCVIEW:
1047 #if 0
1048         case LFUN_LOFVIEW:
1049         case LFUN_LOTVIEW:
1050         case LFUN_LOAVIEW:
1051 #endif
1052         {
1053                 InsetCommandParams p;
1054
1055 #if 0
1056                 if (action == LFUN_TOCVIEW)
1057 #endif
1058                         p.setCmdName("tableofcontents");
1059 #if 0
1060                 else if (action == LFUN_LOAVIEW)
1061                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1062                 else if (action == LFUN_LOFVIEW)
1063                         p.setCmdName("listoffigures");
1064                 else
1065                         p.setCmdName("listoftables");
1066 #endif
1067                 owner->getDialogs().createTOC(p.getAsString());
1068                 break;
1069         }
1070
1071         case LFUN_AUTOSAVE:
1072                 AutoSave(view());
1073                 break;
1074
1075         case LFUN_UNDO:
1076                 view()->undo();
1077                 break;
1078
1079         case LFUN_REDO:
1080                 view()->redo();
1081                 break;
1082
1083         case LFUN_MENUSEARCH:
1084                 owner->getDialogs().showSearch();
1085                 break;
1086
1087         case LFUN_REMOVEERRORS:
1088                 if (view()->removeAutoInsets()) {
1089 #warning repaint() or update() or nothing ?
1090                         view()->repaint();
1091                         view()->fitCursor();
1092                 }
1093                 break;
1094
1095         case LFUN_DEPTH_MIN:
1096                 changeDepth(view(), TEXT(false), -1);
1097                 break;
1098
1099         case LFUN_DEPTH_PLUS:
1100                 changeDepth(view(), TEXT(false), 1);
1101                 break;
1102
1103         case LFUN_FREE:
1104                 owner->getDialogs().setUserFreeFont();
1105                 break;
1106
1107         case LFUN_RECONFIGURE:
1108                 Reconfigure(view());
1109                 break;
1110
1111 #if 0
1112         case LFUN_FLOATSOPERATE:
1113                 if (argument == "openfoot")
1114                         view()->allFloats(1,0);
1115                 else if (argument == "closefoot")
1116                         view()->allFloats(0,0);
1117                 else if (argument == "openfig")
1118                         view()->allFloats(1,1);
1119                 else if (argument == "closefig")
1120                         view()->allFloats(0,1);
1121                 break;
1122 #else
1123 #ifdef WITH_WARNINGS
1124 //#warning Find another implementation here (or another lyxfunc)!
1125 #endif
1126 #endif
1127         case LFUN_HELP_ABOUTLYX:
1128                 owner->getDialogs().showAboutlyx();
1129                 break;
1130
1131         case LFUN_HELP_TEXINFO:
1132                 owner->getDialogs().showTexinfo();
1133                 break;
1134
1135         case LFUN_HELP_OPEN:
1136         {
1137                 string const arg = argument;
1138                 if (arg.empty()) {
1139                         setErrorMessage(N_("Missing argument"));
1140                         break;
1141                 }
1142                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1143                 if (fname.empty()) {
1144                         lyxerr << "LyX: unable to find documentation file `"
1145                                << arg << "'. Bad installation?" << endl;
1146                         break;
1147                 }
1148                 ostringstream str;
1149 #if USE_BOOST_FORMAT
1150                 str << boost::format(_("Opening help file %1$s..."))
1151                     % MakeDisplayPath(fname);
1152 #else
1153                 str << _("Opening help file ")
1154                     << MakeDisplayPath(fname) << _("...");
1155 #endif
1156                 owner->message(STRCONV(str.str()));
1157                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1158                 break;
1159         }
1160
1161                 // --- version control -------------------------------
1162         case LFUN_VC_REGISTER:
1163         {
1164                 if (!owner->buffer()->lyxvc.inUse())
1165                         owner->buffer()->lyxvc.registrer();
1166         }
1167         break;
1168
1169         case LFUN_VC_CHECKIN:
1170         {
1171                 if (owner->buffer()->lyxvc.inUse()
1172                     && !owner->buffer()->isReadonly())
1173                         owner->buffer()->lyxvc.checkIn();
1174         }
1175         break;
1176
1177         case LFUN_VC_CHECKOUT:
1178         {
1179                 if (owner->buffer()->lyxvc.inUse()
1180                     && owner->buffer()->isReadonly())
1181                         owner->buffer()->lyxvc.checkOut();
1182         }
1183         break;
1184
1185         case LFUN_VC_REVERT:
1186         {
1187                 owner->buffer()->lyxvc.revert();
1188         }
1189         break;
1190
1191         case LFUN_VC_UNDO:
1192         {
1193                 owner->buffer()->lyxvc.undoLast();
1194         }
1195         break;
1196
1197         case LFUN_VC_HISTORY:
1198         {
1199                 owner->getDialogs().showVCLogFile();
1200                 break;
1201         }
1202
1203         // --- buffers ----------------------------------------
1204
1205         case LFUN_SWITCHBUFFER:
1206                 view()->buffer(bufferlist.getBuffer(argument));
1207                 break;
1208
1209         case LFUN_FILE_NEW:
1210         {
1211                 // servercmd: argument must be <file>:<template>
1212                 Buffer * tmpbuf = NewFile(argument);
1213                 if (tmpbuf)
1214                         view()->buffer(tmpbuf);
1215         }
1216         break;
1217
1218         case LFUN_FILE_OPEN:
1219                 open(argument);
1220                 break;
1221
1222         case LFUN_LATEX_LOG:
1223                 owner->getDialogs().showLogFile();
1224                 break;
1225
1226         case LFUN_LAYOUT_DOCUMENT:
1227                 owner->getDialogs().showDocument();
1228                 break;
1229
1230         case LFUN_LAYOUT_PARAGRAPH:
1231                 owner->getDialogs().showParagraph();
1232                 break;
1233
1234         case LFUN_LAYOUT_CHARACTER:
1235                 owner->getDialogs().showCharacter();
1236                 break;
1237
1238         case LFUN_LAYOUT_TABULAR:
1239             if (view()->theLockingInset()) {
1240                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1241                     InsetTabular * inset = static_cast<InsetTabular *>
1242                         (view()->theLockingInset());
1243                     inset->openLayoutDialog(view());
1244                 } else if (view()->theLockingInset()->
1245                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1246                     InsetTabular * inset = static_cast<InsetTabular *>(
1247                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1248                     inset->openLayoutDialog(view());
1249                 }
1250             }
1251             break;
1252
1253         case LFUN_LAYOUT_PREAMBLE:
1254                 owner->getDialogs().showPreamble();
1255                 break;
1256
1257         case LFUN_DROP_LAYOUTS_CHOICE:
1258                 owner->getToolbar().openLayoutList();
1259                 break;
1260
1261         case LFUN_MENU_OPEN_BY_NAME:
1262                 owner->getMenubar().openByName(argument);
1263                 break; // RVDK_PATCH_5
1264
1265         case LFUN_SPELLCHECK:
1266                 owner->getDialogs().showSpellchecker();
1267                 break;
1268
1269         // --- lyxserver commands ----------------------------
1270
1271
1272         case LFUN_GETNAME:
1273                 setMessage(owner->buffer()->fileName());
1274                 lyxerr[Debug::INFO] << "FNAME["
1275                                << owner->buffer()->fileName()
1276                                << "] " << endl;
1277                 break;
1278
1279         case LFUN_NOTIFY:
1280         {
1281                 dispatch_buffer = keyseq.print();
1282                 lyxserver->notifyClient(dispatch_buffer);
1283         }
1284         break;
1285
1286         case LFUN_GOTOFILEROW:
1287         {
1288                 string file_name;
1289                 int row;
1290                 istringstream istr(argument.c_str());
1291                 istr >> file_name >> row;
1292                 // Must replace extension of the file to be .lyx and get full path
1293                 string const s(ChangeExtension(file_name, ".lyx"));
1294
1295                 // Either change buffer or load the file
1296                 if (bufferlist.exists(s)) {
1297                         view()->buffer(bufferlist.getBuffer(s));
1298                 } else {
1299                         view()->buffer(bufferlist.loadLyXFile(s));
1300                 }
1301
1302                 view()->setCursorFromRow(row);
1303
1304                 view()->center();
1305                 // see BufferView_pimpl::center()
1306                 view()->updateScrollbar();
1307         }
1308         break;
1309
1310         case LFUN_GOTO_PARAGRAPH:
1311         {
1312                 istringstream istr(argument.c_str());
1313
1314                 int id;
1315                 istr >> id;
1316                 Paragraph * par = owner->buffer()->getParFromID(id);
1317                 if (par == 0) {
1318                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1319                                             << id << ']' << endl;
1320                         break;
1321                 } else {
1322                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1323                                             << " found." << endl;
1324                 }
1325
1326                 if (view()->theLockingInset())
1327                         view()->unlockInset(view()->theLockingInset());
1328                 if (par->inInset()) {
1329                         par->inInset()->edit(view());
1330                 }
1331                 // Set the cursor
1332                 view()->getLyXText()->setCursor(view(), par, 0);
1333                 view()->switchKeyMap();
1334                 owner->view_state_changed();
1335
1336                 view()->center();
1337                 // see BufferView_pimpl::center()
1338                 view()->updateScrollbar();
1339         }
1340         break;
1341
1342         case LFUN_APROPOS:
1343         case LFUN_GETTIP:
1344         {
1345                 int const qa = lyxaction.LookupFunc(argument);
1346                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1347         }
1348         break;
1349
1350         // --- insert characters ----------------------------------------
1351
1352         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1353         case LFUN_MATH_EXTERN:
1354         case LFUN_MATH_NUMBER:
1355         case LFUN_MATH_NONUMBER:
1356         case LFUN_MATH_LIMITS:
1357         {
1358                 setErrorMessage(N_("This is only allowed in math mode!"));
1359         }
1360         break;
1361
1362         // passthrough hat and underscore outside mathed:
1363         case LFUN_SUBSCRIPT:
1364                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1365                 break;
1366         case LFUN_SUPERSCRIPT:
1367                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1368                 break;
1369
1370         case LFUN_MATH_PANEL:
1371                 owner->getDialogs().showMathPanel();
1372                 break;
1373
1374         case LFUN_CITATION_CREATE:
1375         {
1376                 InsetCommandParams p("cite");
1377
1378                 if (!argument.empty()) {
1379                         // This should be set at source, ie when typing
1380                         // "citation-insert foo" in the minibuffer.
1381                         // Question: would pybibliographer also need to be
1382                         // changed. Suspect so. Leave as-is therefore.
1383                         if (contains(argument, "|")) {
1384                                 p.setContents(token(argument, '|', 0));
1385                                 p.setOptions(token(argument, '|', 1));
1386                         } else {
1387                                 p.setContents(argument);
1388                         }
1389                         dispatch(FuncRequest(view(), LFUN_CITATION_INSERT, p.getAsString()));
1390                 } else
1391                         owner->getDialogs().createCitation(p.getAsString());
1392         }
1393         break;
1394
1395         case LFUN_CHILDOPEN:
1396         {
1397                 string const filename =
1398                         MakeAbsPath(argument,
1399                                     owner->buffer()->filePath());
1400                 setMessage(N_("Opening child document ") +
1401                            MakeDisplayPath(filename) + "...");
1402                 view()->savePosition(0);
1403                 if (bufferlist.exists(filename))
1404                         view()->buffer(bufferlist.getBuffer(filename));
1405                 else
1406                         view()->buffer(bufferlist.loadLyXFile(filename));
1407         }
1408         break;
1409
1410         case LFUN_TOGGLECURSORFOLLOW:
1411                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1412                 break;
1413
1414         case LFUN_KMAP_OFF:
1415                 owner->getIntl().KeyMapOn(false);
1416                 break;
1417
1418         case LFUN_KMAP_PRIM:
1419                 owner->getIntl().KeyMapPrim();
1420                 break;
1421
1422         case LFUN_KMAP_SEC:
1423                 owner->getIntl().KeyMapSec();
1424                 break;
1425
1426         case LFUN_KMAP_TOGGLE:
1427                 owner->getIntl().ToggleKeyMap();
1428                 break;
1429
1430         case LFUN_SEQUENCE:
1431         {
1432                 // argument contains ';'-terminated commands
1433                 while (!argument.empty()) {
1434                         string first;
1435                         argument = split(argument, first, ';');
1436                         dispatch(first);
1437                 }
1438         }
1439         break;
1440
1441         case LFUN_DIALOG_PREFERENCES:
1442                 owner->getDialogs().showPreferences();
1443                 break;
1444
1445         case LFUN_SAVEPREFERENCES:
1446         {
1447                 Path p(user_lyxdir);
1448                 lyxrc.write("preferences");
1449         }
1450         break;
1451
1452         case LFUN_SCREEN_FONT_UPDATE:
1453         {
1454                 // handle the screen font changes.
1455                 lyxrc.set_font_norm_type();
1456                 lyx_gui::update_fonts();
1457                 // We also need to empty the textcache so that
1458                 // the buffer will be formatted correctly after
1459                 // a zoom change.
1460                 textcache.clear();
1461                 // Of course we should only do the resize and the textcache.clear
1462                 // if values really changed...but not very important right now. (Lgb)
1463                 // All visible buffers will need resize
1464                 view()->resize();
1465                 view()->repaint();
1466         }
1467         break;
1468
1469         case LFUN_SET_COLOR:
1470         {
1471                 string lyx_name;
1472                 string const x11_name = split(argument, lyx_name, ' ');
1473                 if (lyx_name.empty() || x11_name.empty()) {
1474                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1475                                                 " <x11_name>"));
1476                         break;
1477                         }
1478
1479                 bool const graphicsbg_changed =
1480                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1481                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1482
1483                 if (!lcolor.setColor(lyx_name, x11_name)) {
1484 #if USE_BOOST_FORMAT
1485                         setErrorMessage(
1486                                 boost::io::str(
1487                                         boost::format(
1488                                                 _("Set-color \"%1$s\" failed "
1489                                                   "- color is undefined or "
1490                                                   "may not be redefined"))
1491                                         % lyx_name));
1492 #else
1493                         setErrorMessage(_("Set-color ") + lyx_name
1494                                         + _(" failed - color is undefined"
1495                                             " or may not be redefined"));
1496 #endif
1497
1498                         break;
1499                 }
1500
1501                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1502
1503                 if (graphicsbg_changed) {
1504 #ifdef WITH_WARNINGS
1505 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1506 #endif
1507 #if 0
1508                         grfx::GCache & gc = grfx::GCache::get();
1509                         gc.changeDisplay(true);
1510 #endif
1511                 }
1512
1513                 view()->repaint();
1514                 break;
1515         }
1516
1517         case LFUN_MESSAGE:
1518                 owner->message(argument);
1519                 break;
1520
1521         case LFUN_FORKS_SHOW:
1522                 owner->getDialogs().showForks();
1523                 break;
1524
1525         case LFUN_FORKS_KILL:
1526         {
1527                 if (!isStrInt(argument))
1528                         break;
1529
1530                 pid_t const pid = strToInt(argument);
1531                 ForkedcallsController & fcc = ForkedcallsController::get();
1532                 fcc.kill(pid);
1533                 break;
1534         }
1535
1536         case LFUN_TOOLTIPS_TOGGLE:
1537                 owner->getDialogs().toggleTooltips();
1538                 break;
1539
1540         default:
1541                 // Then if it was none of the above
1542                 // Trying the BufferView::pimpl dispatch:
1543                 if (!view()->dispatch(ev))
1544                         lyxerr << "A truly unknown func ["
1545                                << lyxaction.getActionName(ev.action) << "]!"
1546                                << endl;
1547                 break;
1548         } // end of switch
1549
1550 exit_with_message:
1551         sendDispatchMessage(getMessage(), ev, verbose);
1552 }
1553
1554
1555 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1556 {
1557         owner->updateMenubar();
1558         owner->updateToolbar();
1559
1560         if (ev.action == LFUN_SELFINSERT || !verbose) {
1561                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1562                 if (!msg.empty())
1563                         owner->message(msg);
1564                 return;
1565         }
1566
1567         string dispatch_msg = msg;
1568         if (!dispatch_msg.empty())
1569                 dispatch_msg += ' ';
1570
1571         string comname = lyxaction.getActionName(ev.action);
1572
1573         int pseudoaction = ev.action;
1574         bool argsadded = false;
1575
1576         if (!ev.argument.empty()) {
1577                 // the pseudoaction is useful for the bindings
1578                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1579
1580                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1581                         pseudoaction = ev.action;
1582                 } else {
1583                         comname += ' ' + ev.argument;
1584                         argsadded = true;
1585                 }
1586         }
1587
1588         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1589
1590         if (!shortcuts.empty()) {
1591                 comname += ": " + shortcuts;
1592         } else if (!argsadded && !ev.argument.empty()) {
1593                 comname += ' ' + ev.argument;
1594         }
1595
1596         if (!comname.empty()) {
1597                 comname = rtrim(comname);
1598                 dispatch_msg += '(' + comname + ')';
1599         }
1600
1601         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1602         if (!dispatch_msg.empty())
1603                 owner->message(dispatch_msg);
1604 }
1605
1606
1607 void LyXFunc::setupLocalKeymap()
1608 {
1609         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1610         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1611 }
1612
1613
1614 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1615 {
1616         string initpath = lyxrc.document_path;
1617         string filename(name);
1618
1619         if (view()->available()) {
1620                 string const trypath = owner->buffer()->filePath();
1621                 // If directory is writeable, use this as default.
1622                 if (IsDirWriteable(trypath))
1623                         initpath = trypath;
1624         }
1625
1626         static int newfile_number;
1627
1628         if (filename.empty()) {
1629                 filename = AddName(lyxrc.document_path,
1630                             "newfile" + tostr(++newfile_number) + ".lyx");
1631                 FileInfo fi(filename);
1632                 while (bufferlist.exists(filename) || fi.readable()) {
1633                         ++newfile_number;
1634                         filename = AddName(lyxrc.document_path,
1635                                     "newfile" + tostr(newfile_number) +
1636                                     ".lyx");
1637                         fi.newFile(filename);
1638                 }
1639         }
1640
1641         // The template stuff
1642         string templname;
1643         if (fromTemplate) {
1644                 FileDialog fileDlg(owner, _("Select template file"),
1645                         LFUN_SELECT_FILE_SYNC,
1646                         make_pair(string(_("Documents|#o#O")),
1647                                   string(lyxrc.document_path)),
1648                         make_pair(string(_("Templates|#T#t")),
1649                                   string(lyxrc.template_path)));
1650
1651                 FileDialog::Result result =
1652                         fileDlg.open(lyxrc.template_path,
1653                                        _("*.lyx| LyX Documents (*.lyx)"));
1654
1655                 if (result.first == FileDialog::Later)
1656                         return;
1657
1658                 string const fname = result.second;
1659
1660                 if (fname.empty())
1661                         return;
1662                 templname = fname;
1663         }
1664
1665         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1666 }
1667
1668
1669 void LyXFunc::open(string const & fname)
1670 {
1671         string initpath = lyxrc.document_path;
1672
1673         if (view()->available()) {
1674                 string const trypath = owner->buffer()->filePath();
1675                 // If directory is writeable, use this as default.
1676                 if (IsDirWriteable(trypath))
1677                         initpath = trypath;
1678         }
1679
1680         string filename;
1681
1682         if (fname.empty()) {
1683                 FileDialog fileDlg(owner, _("Select document to open"),
1684                         LFUN_FILE_OPEN,
1685                         make_pair(string(_("Documents|#o#O")),
1686                                   string(lyxrc.document_path)),
1687                         make_pair(string(_("Examples|#E#e")),
1688                                   string(AddPath(system_lyxdir, "examples"))));
1689
1690                 FileDialog::Result result =
1691                         fileDlg.open(initpath,
1692                                        _("*.lyx| LyX Documents (*.lyx)"));
1693
1694                 if (result.first == FileDialog::Later)
1695                         return;
1696
1697                 filename = result.second;
1698
1699                 // check selected filename
1700                 if (filename.empty()) {
1701                         owner->message(_("Canceled."));
1702                         return;
1703                 }
1704         } else
1705                 filename = fname;
1706
1707         // get absolute path of file and add ".lyx" to the filename if
1708         // necessary
1709         string const fullpath = FileSearch(string(), filename, "lyx");
1710         if (!fullpath.empty()) {
1711                 filename = fullpath;
1712         }
1713
1714         string const disp_fn(MakeDisplayPath(filename));
1715
1716         // if the file doesn't exist, let the user create one
1717         FileInfo const f(filename, true);
1718         if (!f.exist()) {
1719                 if (!Alert::askQuestion(_("No such file"), disp_fn,
1720                         _("Start a new document with this filename ?"))) {
1721                         owner->message(_("Canceled."));
1722                         return;
1723                 }
1724                 // the user specifically chose this name. Believe them.
1725                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1726                 view()->buffer(buffer);
1727                 return;
1728         }
1729
1730         ostringstream str;
1731 #if USE_BOOST_FORMAT
1732         str << boost::format(_("Opening document %1$s...")) % disp_fn;
1733 #else
1734         str << _("Opening document ") << disp_fn << _("...");
1735 #endif
1736
1737         owner->message(STRCONV(str.str()));
1738
1739         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1740         ostringstream str2;
1741         if (openbuf) {
1742                 view()->buffer(openbuf);
1743 #if USE_BOOST_FORMAT
1744                 str2 << boost::format(_("Document %1$s opened.")) % disp_fn;
1745 #else
1746                 str2 << _("Document ") << disp_fn << _(" opened.");
1747 #endif
1748         } else {
1749 #if USE_BOOST_FORMAT
1750                 str2 << boost::format(_("Could not open document %1$s"))
1751                         % disp_fn;
1752 #else
1753                 str2 << _("Could not open document ") << disp_fn;
1754 #endif
1755         }
1756         owner->message(STRCONV(str2.str()));
1757 }
1758
1759
1760 void LyXFunc::doImport(string const & argument)
1761 {
1762         string format;
1763         string filename = split(argument, format, ' ');
1764
1765         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1766                             << " file: " << filename << endl;
1767
1768         // need user interaction
1769         if (filename.empty()) {
1770                 string initpath = lyxrc.document_path;
1771
1772                 if (view()->available()) {
1773                         string const trypath = owner->buffer()->filePath();
1774                         // If directory is writeable, use this as default.
1775                         if (IsDirWriteable(trypath))
1776                                 initpath = trypath;
1777                 }
1778
1779 #if USE_BOOST_FORMAT
1780                 boost::format fmt(_("Select %1$s file to import"));
1781                 fmt % formats.prettyName(format);
1782                 string const text = fmt.str();
1783 #else
1784                 string const text = _("Select ") + formats.prettyName(format)
1785                         + _(" file to import");;
1786 #endif
1787
1788                 FileDialog fileDlg(owner, text,
1789                         LFUN_IMPORT,
1790                         make_pair(string(_("Documents|#o#O")),
1791                                   string(lyxrc.document_path)),
1792                         make_pair(string(_("Examples|#E#e")),
1793                                   string(AddPath(system_lyxdir, "examples"))));
1794
1795                 string const extension = "*." + formats.extension(format)
1796                         + "| " + formats.prettyName(format)
1797                         + " (*." + formats.extension(format) + ')';
1798
1799                 FileDialog::Result result = fileDlg.open(initpath,
1800                                                            extension);
1801
1802                 if (result.first == FileDialog::Later)
1803                         return;
1804
1805                 filename = result.second;
1806
1807                 // check selected filename
1808                 if (filename.empty())
1809                         owner->message(_("Canceled."));
1810         }
1811
1812         if (filename.empty())
1813                 return;
1814
1815         // get absolute path of file
1816         filename = MakeAbsPath(filename);
1817
1818         string const lyxfile = ChangeExtension(filename, ".lyx");
1819
1820         // Check if the document already is open
1821         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1822                 switch (Alert::askConfirmation(_("Document is already open:"),
1823                                         MakeDisplayPath(lyxfile, 50),
1824                                         _("Do you want to close that document now?\n"
1825                                           "('No' will just switch to the open version)")))
1826                         {
1827                         case 1:
1828                                 // If close is canceled, we cancel here too.
1829                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1830                                         return;
1831                                 break;
1832                         case 2:
1833                                 view()->buffer(bufferlist.getBuffer(lyxfile));
1834                                 return;
1835                         case 3:
1836                                 owner->message(_("Canceled."));
1837                                 return;
1838                         }
1839         }
1840
1841         // if the file exists already, and we didn't do
1842         // -i lyx thefile.lyx, warn
1843         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1844                 if (!Alert::askQuestion(_("A document by the name"),
1845                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1846                         owner->message(_("Canceled."));
1847                         return;
1848                 }
1849         }
1850
1851         Importer::Import(owner, filename, format);
1852 }
1853
1854
1855 void LyXFunc::reloadBuffer()
1856 {
1857         string const fn = owner->buffer()->fileName();
1858         if (bufferlist.close(owner->buffer()))
1859                 view()->buffer(bufferlist.loadLyXFile(fn));
1860 }
1861
1862
1863 void LyXFunc::closeBuffer()
1864 {
1865         if (bufferlist.close(owner->buffer()) && !quitting) {
1866                 if (bufferlist.empty()) {
1867                         // need this otherwise SEGV may occur while trying to
1868                         // set variables that don't exist
1869                         // since there's no current buffer
1870                         owner->getDialogs().hideBufferDependent();
1871                 } else {
1872                         view()->buffer(bufferlist.first());
1873                 }
1874         }
1875 }
1876
1877
1878 // Each "owner" should have it's own message method. lyxview and
1879 // the minibuffer would use the minibuffer, but lyxserver would
1880 // send an ERROR signal to its client.  Alejandro 970603
1881 // This func is bit problematic when it comes to NLS, to make the
1882 // lyx servers client be language indepenent we must not translate
1883 // strings sent to this func.
1884 void LyXFunc::setErrorMessage(string const & m) const
1885 {
1886         dispatch_buffer = m;
1887         errorstat = true;
1888 }
1889
1890
1891 void LyXFunc::setMessage(string const & m) const
1892 {
1893         dispatch_buffer = m;
1894 }
1895
1896
1897 void LyXFunc::setStatusMessage(string const & m) const
1898 {
1899         status_buffer = m;
1900 }
1901
1902
1903 string const LyXFunc::view_status_message()
1904 {
1905         // When meta-fake key is pressed, show the key sequence so far + "M-".
1906         if (wasMetaKey()) {
1907                 return keyseq.print() + "M-";
1908         }
1909
1910         // Else, when a non-complete key sequence is pressed,
1911         // show the available options.
1912         if (keyseq.length() > 0 && !keyseq.deleted()) {
1913                 return keyseq.printOptions();
1914         }
1915
1916         if (!view()->available())
1917                 return _("Welcome to LyX!");
1918
1919         return currentState(view());
1920 }
1921
1922
1923 BufferView * LyXFunc::view() const
1924 {
1925         lyx::Assert(owner);
1926         return owner->view().get();
1927 }