src/lyxfunc.C

   1 /**
   2  * \file lyxfunc.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  * \author Allan Rae
  13  * \author Dekel Tsur
  14  * \author Martin Vermeer
  15  * \author Jürgen Vigna
  16  *
  17  * Full author contact details are available in file CREDITS.
  18  */
  19
  20 #include <config.h>
  21
  22 #include "lyxfunc.h"
  23
  24 #include "BranchList.h"
  25 #include "buffer.h"
  26 #include "buffer_funcs.h"
  27 #include "bufferlist.h"
  28 #include "bufferparams.h"
  29 #include "BufferView.h"
  30 #include "cursor.h"
  31 #include "debug.h"
  32 #include "encoding.h"
  33 #include "exporter.h"
  34 #include "format.h"
  35 #include "funcrequest.h"
  36 #include "gettext.h"
  37 #include "importer.h"
  38 #include "intl.h"
  39 #include "iterators.h"
  40 #include "kbmap.h"
  41 #include "LColor.h"
  42 #include "lyx_cb.h"
  43 #include "LyXAction.h"
  44 #include "lyxfind.h"
  45 #include "lyxrc.h"
  46 #include "lyxrow.h"
  47 #include "lyxserver.h"
  48 #include "lyxvc.h"
  49 #include "paragraph.h"
  50 #include "ParagraphParameters.h"
  51 #include "TextCache.h"
  52 #include "undo_funcs.h"
  53
  54 #include "insets/insetcommand.h"
  55 #include "insets/insetexternal.h"
  56 #include "insets/insettabular.h"
  57
  58 #include "mathed/math_cursor.h"
  59
  60 #include "frontends/Alert.h"
  61 #include "frontends/Dialogs.h"
  62 #include "frontends/FileDialog.h"
  63 #include "frontends/lyx_gui.h"
  64 #include "frontends/LyXKeySym.h"
  65 #include "frontends/LyXView.h"
  66 #include "frontends/Menubar.h"
  67 #include "frontends/Toolbar.h"
  68
  69 #include "support/FileInfo.h"
  70 #include "support/filetools.h"
  71 #include "support/forkedcontr.h"
  72 #include "support/path.h"
  73 #include "support/path_defines.h"
  74 #include "support/tostr.h"
  75 #include "support/std_sstream.h"
  76
  77 using bv_funcs::apply_freefont;
  78 using bv_funcs::changeDepth;
  79 using bv_funcs::currentState;
  80 using bv_funcs::DEC_DEPTH;
  81 using bv_funcs::freefont2string;
  82 using bv_funcs::INC_DEPTH;
  83 using bv_funcs::update_and_apply_freefont;
  84
  85 using lyx::support::AddName;
  86 using lyx::support::AddPath;
  87 using lyx::support::bformat;
  88 using lyx::support::ChangeExtension;
  89 using lyx::support::FileInfo;
  90 using lyx::support::FileSearch;
  91 using lyx::support::ForkedcallsController;
  92 using lyx::support::i18nLibFileSearch;
  93 using lyx::support::IsDirWriteable;
  94 using lyx::support::IsFileReadable;
  95 using lyx::support::isStrInt;
  96 using lyx::support::MakeAbsPath;
  97 using lyx::support::MakeDisplayPath;
  98 using lyx::support::Path;
  99 using lyx::support::rtrim;
 100 using lyx::support::split;
 101 using lyx::support::strToInt;
 102 using lyx::support::strToUnsignedInt;
 103 using lyx::support::system_lyxdir;
 104 using lyx::support::token;
 105 using lyx::support::trim;
 106 using lyx::support::user_lyxdir;
 107
 108 using std::endl;
 109 using std::make_pair;
 110
 111 using std::istringstream;
 112
 113
 114 extern BufferList bufferlist;
 115 extern LyXServer * lyxserver;
 116 extern bool selection_possible;
 117
 118 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 119
 120 // (alkis)
 121 extern tex_accent_struct get_accent(kb_action action);
 122
 123 extern void ShowLatexLog();
 124
 125
 126 LyXFunc::LyXFunc(LyXView * o)
 127         : owner(o),
 128         encoded_last_key(0),
 129         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 130         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 131         meta_fake_bit(key_modifier::none)
 132 {
 133 }
 134
 135
 136 void LyXFunc::moveCursorUpdate()
 137 {
 138         LyXText * lt = view()->text;
 139         if (lt->selection.mark())
 140                 lt->setSelection();
 141         view()->update();
 142         view()->switchKeyMap();
 143 }
 144
 145
 146 void LyXFunc::handleKeyFunc(kb_action action)
 147 {
 148         char c = encoded_last_key;
 149
 150         if (keyseq.length()) {
 151                 c = 0;
 152         }
 153
 154         owner->getIntl().getTransManager()
 155                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 156         // Need to clear, in case the minibuffer calls these
 157         // actions
 158         keyseq.clear();
 159         // copied verbatim from do_accent_char
 160         view()->update();
 161         view()->getLyXText()->selection.cursor = view()->getLyXText()->cursor;
 162 }
 163
 164
 165 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 166                             key_modifier::state state)
 167 {
 168         string argument;
 169
 170         if (lyxerr.debugging(Debug::KEY)) {
 171                 lyxerr << "KeySym is "
 172                        << keysym->getSymbolName()
 173                        << endl;
 174         }
 175
 176         // Do nothing if we have nothing (JMarc)
 177         if (!keysym->isOK()) {
 178                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 179                                    << endl;
 180                 return;
 181         }
 182
 183         if (keysym->isModifier()) {
 184                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 185                 return;
 186         }
 187
 188         Encoding const * encoding = view()->getEncoding();
 189
 190         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 191
 192         // Do a one-deep top-level lookup for
 193         // cancel and meta-fake keys. RVDK_PATCH_5
 194         cancel_meta_seq.reset();
 195
 196         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 197         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 198
 199         // When not cancel or meta-fake, do the normal lookup.
 200         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 201         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 202         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 203                 // remove Caps Lock and Mod2 as a modifiers
 204                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 205                 lyxerr[Debug::KEY] << "action now set to ["
 206                         << func.action << ']' << endl;
 207         }
 208
 209         // Dont remove this unless you know what you are doing.
 210         meta_fake_bit = key_modifier::none;
 211
 212         // can this happen now ?
 213         if (func.action == LFUN_NOACTION) {
 214                 func = FuncRequest(LFUN_PREFIX);
 215         }
 216
 217         if (lyxerr.debugging(Debug::KEY)) {
 218                 lyxerr << "Key [action="
 219                        << func.action << "]["
 220                        << keyseq.print() << ']'
 221                        << endl;
 222         }
 223
 224         // already here we know if it any point in going further
 225         // why not return already here if action == -1 and
 226         // num_bytes == 0? (Lgb)
 227
 228         if (keyseq.length() > 1) {
 229                 owner->message(keyseq.print());
 230         }
 231
 232
 233         // Maybe user can only reach the key via holding down shift.
 234         // Let's see. But only if shift is the only modifier
 235         if (func.action == LFUN_UNKNOWN_ACTION &&
 236             state == key_modifier::shift) {
 237                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 238                 func = keyseq.addkey(keysym, key_modifier::none);
 239                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 240         }
 241
 242         if (func.action == LFUN_UNKNOWN_ACTION) {
 243                 // Hmm, we didn't match any of the keysequences. See
 244                 // if it's normal insertable text not already covered
 245                 // by a binding
 246                 if (keysym->isText() && keyseq.length() == 1) {
 247                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 248                         func = FuncRequest(LFUN_SELFINSERT);
 249                 } else {
 250                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 251                         owner->message(_("Unknown function."));
 252                         return;
 253                 }
 254         }
 255
 256         if (func.action == LFUN_SELFINSERT) {
 257                 if (encoded_last_key != 0) {
 258                         string arg;
 259                         arg += encoded_last_key;
 260
 261                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 262
 263                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 264                                    << argument << "']" << endl;
 265                 }
 266         } else {
 267                 dispatch(func);
 268         }
 269 }
 270
 271
 272 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 273 {
 274         FuncStatus flag;
 275         Buffer * buf = owner->buffer();
 276
 277         if (ev.action == LFUN_NOACTION) {
 278                 setStatusMessage(N_("Nothing to do"));
 279                 return flag.disabled(true);
 280         }
 281
 282         switch (ev.action) {
 283         case LFUN_UNKNOWN_ACTION:
 284 #ifndef HAVE_LIBAIKSAURUS
 285         case LFUN_THESAURUS_ENTRY:
 286 #endif
 287                 flag.unknown(true);
 288                 break;
 289         default:
 290                 flag |= lyx_gui::getStatus(ev);
 291         }
 292
 293         if (flag.unknown()) {
 294                 setStatusMessage(N_("Unknown action"));
 295                 return flag;
 296         }
 297
 298         // the default error message if we disable the command
 299         setStatusMessage(N_("Command disabled"));
 300
 301         // Check whether we need a buffer
 302         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 303                 // Yes we need a buffer, do we have one?
 304                 if (buf) {
 305                         // yes
 306                         // Can we use a readonly buffer?
 307                         if (buf->isReadonly() &&
 308                             !lyxaction.funcHasFlag(ev.action,
 309                                                    LyXAction::ReadOnly)) {
 310                                 // no
 311                                 setStatusMessage(N_("Document is read-only"));
 312                                 flag.disabled(true);
 313                         }
 314                 } else {
 315                         // no
 316                         setStatusMessage(N_("Command not allowed with"
 317                                            "out any document open"));
 318                         return flag.disabled(true);
 319                 }
 320         }
 321
 322         UpdatableInset * tli = view()->theLockingInset();
 323
 324         // I would really like to avoid having this switch and rather try to
 325         // encode this in the function itself.
 326         bool disable = false;
 327         switch (ev.action) {
 328         case LFUN_EXPORT:
 329                 disable = ev.argument != "custom"
 330                         && !Exporter::IsExportable(*buf, ev.argument);
 331                 break;
 332         case LFUN_UNDO:
 333                 disable = buf->undostack().empty();
 334                 break;
 335         case LFUN_REDO:
 336                 disable = buf->redostack().empty();
 337                 break;
 338         case LFUN_CUT:
 339         case LFUN_COPY:
 340                 if (tli) {
 341                         UpdatableInset * in = tli;
 342                         if (in->lyxCode() != InsetOld::TABULAR_CODE) {
 343                                 in = tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE);
 344                         }
 345                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 346                                 disable = false;
 347                                 break;
 348                         }
 349                 }
 350                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 351                 break;
 352         case LFUN_RUNCHKTEX:
 353                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 354                 break;
 355         case LFUN_BUILDPROG:
 356                 disable = !Exporter::IsExportable(*buf, "program");
 357                 break;
 358
 359         case LFUN_LAYOUT_TABULAR:
 360                 disable = !tli
 361                         || (tli->lyxCode() != InsetOld::TABULAR_CODE
 362                             && !tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
 363                 break;
 364
 365         case LFUN_DEPTH_MIN:
 366                 disable = !changeDepth(view(), view()->getLyXText(), DEC_DEPTH, true);
 367                 break;
 368
 369         case LFUN_DEPTH_PLUS:
 370                 disable = !changeDepth(view(), view()->getLyXText(), INC_DEPTH, true);
 371                 break;
 372
 373         case LFUN_LAYOUT:
 374         case LFUN_LAYOUT_PARAGRAPH: {
 375                 InsetOld * inset = view()->getLyXText()->cursor.par()->inInset();
 376                 disable = inset && inset->forceDefaultParagraphs(inset);
 377                 break;
 378         }
 379
 380         case LFUN_INSET_OPTARG:
 381                 disable = (view()->getLyXText()->cursor.par()->layout()->optionalargs == 0);
 382                 break;
 383
 384         case LFUN_TABULAR_FEATURE:
 385                 if (mathcursor) {
 386 #if 0
 387                         // FIXME: check temporarily disabled
 388                         // valign code
 389                         char align = mathcursor->valign();
 390                         if (align == '\0') {
 391                                 disable = true;
 392                                 break;
 393                         }
 394                         if (ev.argument.empty()) {
 395                                 flag.clear();
 396                                 break;
 397                         }
 398                         if (!contains("tcb", ev.argument[0])) {
 399                                 disable = true;
 400                                 break;
 401                         }
 402                         flag.setOnOff(ev.argument[0] == align);
 403                 } else
 404                         disable = true;
 405
 406                         char align = mathcursor->halign();
 407                         if (align == '\0') {
 408                                 disable = true;
 409                                 break;
 410                         }
 411                         if (ev.argument.empty()) {
 412                                 flag.clear();
 413                                 break;
 414                         }
 415                         if (!contains("lcr", ev.argument[0])) {
 416                                 disable = true;
 417                                 break;
 418                         }
 419                         flag.setOnOff(ev.argument[0] == align);
 420 #endif
 421
 422                         disable = !mathcursor->halign();
 423                         break;
 424                 }
 425
 426                 if (tli) {
 427                         FuncStatus ret;
 428                         //ret.disabled(true);
 429                         if (tli->lyxCode() == InsetOld::TABULAR_CODE) {
 430                                 ret = static_cast<InsetTabular *>(tli)
 431                                         ->getStatus(ev.argument);
 432                                 flag |= ret;
 433                                 disable = false;
 434                         } else if (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)) {
 435                                 ret = static_cast<InsetTabular *>
 436                                         (tli->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE))
 437                                         ->getStatus(ev.argument);
 438                                 flag |= ret;
 439                                 disable = false;
 440                         } else {
 441                                 disable = true;
 442                         }
 443                 } else {
 444                         static InsetTabular inset(*owner->buffer(), 1, 1);
 445                         FuncStatus ret;
 446
 447                         disable = true;
 448                         ret = inset.getStatus(ev.argument);
 449                         if (ret.onoff(true) || ret.onoff(false))
 450                                 flag.setOnOff(false);
 451                 }
 452                 break;
 453
 454         case LFUN_VC_REGISTER:
 455                 disable = buf->lyxvc().inUse();
 456                 break;
 457         case LFUN_VC_CHECKIN:
 458                 disable = !buf->lyxvc().inUse() || buf->isReadonly();
 459                 break;
 460         case LFUN_VC_CHECKOUT:
 461                 disable = !buf->lyxvc().inUse() || !buf->isReadonly();
 462                 break;
 463         case LFUN_VC_REVERT:
 464         case LFUN_VC_UNDO:
 465                 disable = !buf->lyxvc().inUse();
 466                 break;
 467         case LFUN_MENURELOAD:
 468                 disable = buf->isUnnamed() || buf->isClean();
 469                 break;
 470         case LFUN_BOOKMARK_GOTO:
 471                 disable =  !view()->
 472                         isSavedPosition(strToUnsignedInt(ev.argument));
 473                 break;
 474         case LFUN_MERGE_CHANGES:
 475         case LFUN_ACCEPT_CHANGE:
 476         case LFUN_REJECT_CHANGE:
 477         case LFUN_ACCEPT_ALL_CHANGES:
 478         case LFUN_REJECT_ALL_CHANGES:
 479                 disable = !buf->params().tracking_changes;
 480                 break;
 481         case LFUN_INSET_TOGGLE: {
 482                 LyXText * lt = view()->getLyXText();
 483                 disable = !(isEditableInset(lt->getInset())
 484                             || (lt->inset_owner
 485                                 && lt->inset_owner->owner()
 486                                 && lt->inset_owner->owner()->isOpen()));
 487                 break;
 488         }
 489
 490         case LFUN_INSET_SETTINGS: {
 491                 disable = true;
 492                 UpdatableInset * inset = view()->theLockingInset();
 493
 494                 if (!inset)
 495                         break;
 496
 497                 // get the innermost inset
 498                 inset = inset->getLockingInset();
 499
 500                 // jump back to owner if an InsetText, so
 501                 // we get back to the InsetTabular or whatever
 502                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 503                         inset = inset->owner();
 504
 505                 InsetOld::Code code = inset->lyxCode();
 506                 switch (code) {
 507                         case InsetOld::TABULAR_CODE:
 508                                 disable = ev.argument != "tabular";
 509                                 break;
 510                         case InsetOld::ERT_CODE:
 511                                 disable = ev.argument != "ert";
 512                                 break;
 513                         case InsetOld::FLOAT_CODE:
 514                                 disable = ev.argument != "float";
 515                                 break;
 516                         case InsetOld::MINIPAGE_CODE:
 517                                 disable = ev.argument != "minipage";
 518                                 break;
 519                         case InsetOld::WRAP_CODE:
 520                                 disable = ev.argument != "wrap";
 521                                 break;
 522                         case InsetOld::NOTE_CODE:
 523                                 disable = ev.argument != "note";
 524                                 break;
 525                         case InsetOld::BRANCH_CODE:
 526                                 disable = ev.argument != "branch";
 527                                 break;
 528                         default:
 529                                 break;
 530                 }
 531                 break;
 532         }
 533
 534         case LFUN_MATH_MUTATE:
 535                 if (mathcursor)
 536                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 537                         flag.setOnOff(false);
 538                 else
 539                         disable = true;
 540                 break;
 541
 542         // we just need to be in math mode to enable that
 543         case LFUN_MATH_SIZE:
 544         case LFUN_MATH_SPACE:
 545         case LFUN_MATH_LIMITS:
 546         case LFUN_MATH_NONUMBER:
 547         case LFUN_MATH_NUMBER:
 548         case LFUN_MATH_EXTERN:
 549                 disable = !mathcursor;
 550                 break;
 551
 552         case LFUN_DIALOG_SHOW: {
 553                 string const name = ev.getArg(0);
 554                 if (!buf) {
 555                         disable = !(name == "aboutlyx" ||
 556                                     name == "file" ||
 557                                     name == "forks" ||
 558                                     name == "preferences" ||
 559                                     name == "texinfo");
 560                         break;
 561                 }
 562
 563                 if (name == "print") {
 564                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 565                                 lyxrc.print_command == "none";
 566                 } else if (name == "character") {
 567                         UpdatableInset * tli = view()->theLockingInset();
 568                         disable = tli && tli->lyxCode() == InsetOld::ERT_CODE;
 569                 } else if (name == "vclog") {
 570                         disable = !buf->lyxvc().inUse();
 571                 } else if (name == "latexlog") {
 572                         disable = !IsFileReadable(buf->getLogName().second);
 573                 }
 574                 break;
 575         }
 576
 577         default:
 578                 break;
 579         }
 580
 581         // the functions which insert insets
 582         InsetOld::Code code = InsetOld::NO_CODE;
 583         switch (ev.action) {
 584         case LFUN_DIALOG_SHOW_NEW_INSET:
 585                 if (ev.argument == "bibitem")
 586                         code = InsetOld::BIBITEM_CODE;
 587                 else if (ev.argument == "bibtex")
 588                         code = InsetOld::BIBTEX_CODE;
 589                 else if (ev.argument == "citation")
 590                         code = InsetOld::CITE_CODE;
 591                 else if (ev.argument == "ert")
 592                         code = InsetOld::ERT_CODE;
 593                 else if (ev.argument == "external")
 594                         code = InsetOld::EXTERNAL_CODE;
 595                 else if (ev.argument == "float")
 596                         code = InsetOld::FLOAT_CODE;
 597                 else if (ev.argument == "graphics")
 598                         code = InsetOld::GRAPHICS_CODE;
 599                 else if (ev.argument == "include")
 600                         code = InsetOld::INCLUDE_CODE;
 601                 else if (ev.argument == "index")
 602                         code = InsetOld::INDEX_CODE;
 603                 else if (ev.argument == "label")
 604                         code = InsetOld::LABEL_CODE;
 605                 else if (ev.argument == "minipage")
 606                         code = InsetOld::MINIPAGE_CODE;
 607                 else if (ev.argument == "ref")
 608                         code = InsetOld::REF_CODE;
 609                 else if (ev.argument == "toc")
 610                         code = InsetOld::TOC_CODE;
 611                 else if (ev.argument == "url")
 612                         code = InsetOld::URL_CODE;
 613                 else if (ev.argument == "wrap")
 614                         code = InsetOld::WRAP_CODE;
 615                 break;
 616
 617         case LFUN_INSET_ERT:
 618                 code = InsetOld::ERT_CODE;
 619                 break;
 620         case LFUN_INSET_FOOTNOTE:
 621                 code = InsetOld::FOOT_CODE;
 622                 break;
 623         case LFUN_TABULAR_INSERT:
 624                 code = InsetOld::TABULAR_CODE;
 625                 break;
 626         case LFUN_INSET_MARGINAL:
 627                 code = InsetOld::MARGIN_CODE;
 628                 break;
 629         case LFUN_INSET_MINIPAGE:
 630                 code = InsetOld::MINIPAGE_CODE;
 631                 break;
 632         case LFUN_INSET_FLOAT:
 633         case LFUN_INSET_WIDE_FLOAT:
 634                 code = InsetOld::FLOAT_CODE;
 635                 break;
 636         case LFUN_INSET_WRAP:
 637                 code = InsetOld::WRAP_CODE;
 638                 break;
 639         case LFUN_FLOAT_LIST:
 640                 code = InsetOld::FLOAT_LIST_CODE;
 641                 break;
 642 #if 0
 643         case LFUN_INSET_LIST:
 644                 code = InsetOld::LIST_CODE;
 645                 break;
 646         case LFUN_INSET_THEOREM:
 647                 code = InsetOld::THEOREM_CODE;
 648                 break;
 649 #endif
 650         case LFUN_INSET_CAPTION:
 651                 code = InsetOld::CAPTION_CODE;
 652                 break;
 653         case LFUN_INSERT_NOTE:
 654                 code = InsetOld::NOTE_CODE;
 655                 break;
 656         case LFUN_INSERT_BRANCH:
 657                 code = InsetOld::BRANCH_CODE;
 658                 if (buf->params().branchlist().empty())
 659                         disable = true;
 660                 break;
 661         case LFUN_INSERT_LABEL:
 662                 code = InsetOld::LABEL_CODE;
 663                 break;
 664         case LFUN_INSET_OPTARG:
 665                 code = InsetOld::OPTARG_CODE;
 666                 break;
 667         case LFUN_ENVIRONMENT_INSERT:
 668                 code = InsetOld::MINIPAGE_CODE;
 669                 break;
 670         case LFUN_INDEX_INSERT:
 671                 code = InsetOld::INDEX_CODE;
 672                 break;
 673         case LFUN_INDEX_PRINT:
 674                 code = InsetOld::INDEX_PRINT_CODE;
 675                 break;
 676         case LFUN_TOC_INSERT:
 677                 code = InsetOld::TOC_CODE;
 678                 break;
 679         case LFUN_HTMLURL:
 680         case LFUN_URL:
 681                 code = InsetOld::URL_CODE;
 682                 break;
 683         case LFUN_QUOTE:
 684                 // always allow this, since we will inset a raw quote
 685                 // if an inset is not allowed.
 686                 break;
 687         case LFUN_HYPHENATION:
 688         case LFUN_LIGATURE_BREAK:
 689         case LFUN_HFILL:
 690         case LFUN_MENU_SEPARATOR:
 691         case LFUN_LDOTS:
 692         case LFUN_END_OF_SENTENCE:
 693                 code = InsetOld::SPECIALCHAR_CODE;
 694                 break;
 695         case LFUN_SPACE_INSERT:
 696                 // slight hack: we know this is allowed in math mode
 697                 if (!mathcursor)
 698                         code = InsetOld::SPACE_CODE;
 699                 break;
 700         case LFUN_INSET_DIALOG_SHOW: {
 701                         LyXText * lt = view()->getLyXText();
 702                         InsetOld * inset = lt->getInset();
 703                         disable = !inset;
 704                         if (!disable) {
 705                                 code = inset->lyxCode();
 706                                 if (!(code == InsetOld::INCLUDE_CODE
 707                                         || code == InsetOld::BIBTEX_CODE
 708                                         || code == InsetOld::FLOAT_LIST_CODE
 709                                         || code == InsetOld::TOC_CODE))
 710                                         disable = true;
 711                         }
 712                 }
 713                 break;
 714         default:
 715                 break;
 716         }
 717         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 718                 disable = true;
 719
 720         if (disable)
 721                 flag.disabled(true);
 722
 723         // A few general toggles
 724         switch (ev.action) {
 725         case LFUN_TOOLTIPS_TOGGLE:
 726                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 727                 break;
 728
 729         case LFUN_READ_ONLY_TOGGLE:
 730                 flag.setOnOff(buf->isReadonly());
 731                 break;
 732         case LFUN_APPENDIX:
 733                 flag.setOnOff(view()->getLyXText()->cursor.par()->params().startOfAppendix());
 734                 break;
 735         case LFUN_SWITCHBUFFER:
 736                 // toggle on the current buffer, but do not toggle off
 737                 // the other ones (is that a good idea?)
 738                 if (ev.argument == buf->fileName())
 739                         flag.setOnOff(true);
 740                 break;
 741         case LFUN_TRACK_CHANGES:
 742                 flag.setOnOff(buf->params().tracking_changes);
 743                 break;
 744         default:
 745                 break;
 746         }
 747
 748         // the font related toggles
 749         if (!mathcursor) {
 750                 LyXFont const & font = view()->getLyXText()->real_current_font;
 751                 switch (ev.action) {
 752                 case LFUN_EMPH:
 753                         flag.setOnOff(font.emph() == LyXFont::ON);
 754                         break;
 755                 case LFUN_NOUN:
 756                         flag.setOnOff(font.noun() == LyXFont::ON);
 757                         break;
 758                 case LFUN_BOLD:
 759                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 760                         break;
 761                 case LFUN_SANS:
 762                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 763                         break;
 764                 case LFUN_ROMAN:
 765                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 766                         break;
 767                 case LFUN_CODE:
 768                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 769                         break;
 770                 default:
 771                         break;
 772                 }
 773         } else {
 774                 string tc = mathcursor->getLastCode();
 775                 switch (ev.action) {
 776                 case LFUN_BOLD:
 777                         flag.setOnOff(tc == "mathbf");
 778                         break;
 779                 case LFUN_SANS:
 780                         flag.setOnOff(tc == "mathsf");
 781                         break;
 782                 case LFUN_EMPH:
 783                         flag.setOnOff(tc == "mathcal");
 784                         break;
 785                 case LFUN_ROMAN:
 786                         flag.setOnOff(tc == "mathrm");
 787                         break;
 788                 case LFUN_CODE:
 789                         flag.setOnOff(tc == "mathtt");
 790                         break;
 791                 case LFUN_NOUN:
 792                         flag.setOnOff(tc == "mathbb");
 793                         break;
 794                 case LFUN_DEFAULT:
 795                         flag.setOnOff(tc == "mathnormal");
 796                         break;
 797                 default:
 798                         break;
 799                 }
 800         }
 801
 802         // this one is difficult to get right. As a half-baked
 803         // solution, we consider only the first action of the sequence
 804         if (ev.action == LFUN_SEQUENCE) {
 805                 // argument contains ';'-terminated commands
 806 #warning LyXAction arguements not handled here.
 807                 flag = getStatus(FuncRequest(lyxaction.lookupFunc(token(ev.argument, ';', 0))));
 808         }
 809
 810         return flag;
 811 }
 812
 813
 814 void LyXFunc::dispatch(string const & s, bool verbose)
 815 {
 816         FuncRequest func = lyxaction.lookupFunc(s);
 817
 818         if (func.action == LFUN_UNKNOWN_ACTION) {
 819                 owner->message(bformat(_("Unknown function (%1$s)"), s));
 820                 return;
 821         }
 822
 823         dispatch(func, verbose);
 824 }
 825
 826
 827 namespace {
 828         bool ensureBufferClean(BufferView * bv) {
 829
 830                 Buffer & buf = *bv->buffer();
 831                 if (buf.isClean())
 832                         return true;
 833
 834                 string const file = MakeDisplayPath(buf.fileName(), 30);
 835                 string text = bformat(_("The document %1$s has unsaved "
 836                                         "changes.\n\nDo you want to save "
 837                                         "the document?"), file);
 838                 int const ret = Alert::prompt(_("Save changed document?"),
 839                                               text, 0, 1, _("&Save"),
 840                                               _("&Cancel"));
 841
 842                 if (ret == 0)
 843                         bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 844
 845                 return buf.isClean();
 846         }
 847
 848 } //namespace anon
 849
 850
 851 void LyXFunc::dispatch(FuncRequest const & func, bool verbose)
 852 {
 853         string argument = func.argument;
 854         kb_action action = func.action;
 855
 856         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << action
 857                               <<"] arg[" << argument << ']' << endl;
 858
 859         // we have not done anything wrong yet.
 860         errorstat = false;
 861         dispatch_buffer.erase();
 862
 863 #ifdef NEW_DISPATCHER
 864         // We try do call the most specific dispatcher first:
 865         //  1. the lockinginset's dispatch
 866         //  2. the bufferview's dispatch
 867         //  3. the lyxview's dispatch
 868 #endif
 869
 870         selection_possible = false;
 871
 872         // We cannot use this function here
 873         if (getStatus(func).disabled()) {
 874                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 875                        << lyxaction.getActionName(action)
 876                        << " [" << action << "] is disabled at this location"
 877                        << endl;
 878                 setErrorMessage(getStatusMessage());
 879                 goto exit_with_message;
 880         }
 881
 882         if (view()->available())
 883                 view()->hideCursor();
 884
 885 #if 1
 886         {
 887                 Cursor cursor;
 888                 buildCursor(cursor, *view());
 889                 if (cursor.dispatch(FuncRequest(func, view())) == DISPATCHED) {
 890                         lyxerr << "dispatched by Cursor::dispatch()\n";
 891                         goto exit_with_message;
 892                 }
 893         }
 894 #endif
 895
 896
 897         if (view()->available() && view()->theLockingInset()) {
 898                 InsetOld::RESULT result;
 899                 if (action > 1 || (action == LFUN_UNKNOWN_ACTION &&
 900                                      !keyseq.deleted()))
 901                 {
 902                         UpdatableInset * inset = view()->theLockingInset();
 903 #if 1
 904                         int inset_x;
 905                         int dummy_y;
 906                         inset->getCursorPos(view(), inset_x, dummy_y);
 907 #endif
 908                         if ((action == LFUN_UNKNOWN_ACTION)
 909                             && argument.empty()) {
 910                                 argument = encoded_last_key;
 911                         }
 912
 913                         // the insets can't try to handle this,
 914                         // a table cell in the dummy position will
 915                         // lock its insettext, the insettext will
 916                         // pass it the bufferview, and succeed,
 917                         // so it will stay not locked. Not good
 918                         // if we've just done LFUN_ESCAPE (which
 919                         // injects an LFUN_PARAGRAPH_UPDATE)
 920                         if (action == LFUN_PARAGRAPH_UPDATE) {
 921                                 view()->dispatch(func);
 922                                 goto exit_with_message;
 923                         }
 924
 925                         // Undo/Redo is a bit tricky for insets.
 926                         if (action == LFUN_UNDO) {
 927                                 view()->undo();
 928                                 goto exit_with_message;
 929                         } else if (action == LFUN_REDO) {
 930                                 view()->redo();
 931                                 goto exit_with_message;
 932                         } else if (((result=inset->
 933                                      // Hand-over to inset's own dispatch:
 934                                      localDispatch(FuncRequest(view(), action, argument))) ==
 935                                     DISPATCHED) ||
 936                                    (result == DISPATCHED_NOUPDATE))
 937                                 goto exit_with_message;
 938                                         // If UNDISPATCHED, just soldier on
 939                         else if (result == FINISHED) {
 940                                 owner->clearMessage();
 941                                 goto exit_with_message;
 942                                 // We do not need special RTL handling here:
 943                                 // FINISHED means that the cursor should be
 944                                 // one position after the inset.
 945                         } else if (result == FINISHED_RIGHT) {
 946                                 view()->text->cursorRight(view());
 947                                 moveCursorUpdate();
 948                                 owner->clearMessage();
 949                                 goto exit_with_message;
 950                         } else if (result == FINISHED_UP) {
 951                                 RowList::iterator const irow = view()->text->cursorIRow();
 952                                 if (irow != view()->text->firstRow()) {
 953 #if 1
 954                                         view()->text->setCursorFromCoordinates(
 955                                                 view()->text->cursor.x() + inset_x,
 956                                                 view()->text->cursor.y() -
 957                                                 irow->baseline() - 1);
 958                                         view()->text->cursor.x_fix(view()->text->cursor.x());
 959 #else
 960                                         view()->text->cursorUp(view());
 961 #endif
 962                                         moveCursorUpdate();
 963                                 } else {
 964                                         view()->update();
 965                                 }
 966                                 owner->clearMessage();
 967                                 goto exit_with_message;
 968                         } else if (result == FINISHED_DOWN) {
 969                                 RowList::iterator const irow = view()->text->cursorIRow();
 970                                 if (irow != view()->text->lastRow()) {
 971 #if 1
 972                                         view()->text->setCursorFromCoordinates(
 973                                                 view()->text->cursor.x() + inset_x,
 974                                                 view()->text->cursor.y() -
 975                                                 irow->baseline() +
 976                                                 irow->height() + 1);
 977                                         view()->text->cursor.x_fix(view()->text->cursor.x());
 978 #else
 979                                         view()->text->cursorDown(view());
 980 #endif
 981                                 } else {
 982                                         view()->text->cursorRight(view());
 983                                 }
 984                                 moveCursorUpdate();
 985                                 owner->clearMessage();
 986                                 goto exit_with_message;
 987                         }
 988 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 989                         else { // result == UNDISPATCHED
 990                                 //setMessage(N_("Text mode"));
 991                                 switch (action) {
 992                                 case LFUN_UNKNOWN_ACTION:
 993                                 case LFUN_BREAKPARAGRAPH:
 994                                 case LFUN_BREAKLINE:
 995                                         view()->text->cursorRight(view());
 996                                         view()->switchKeyMap();
 997                                         owner->view_state_changed();
 998                                         break;
 999                                 case LFUN_RIGHT:
1000                                         if (!view()->text->cursor.par()->isRightToLeftPar(owner->buffer()->params())) {
1001                                                 view()->text->cursorRight(view());
1002                                                 moveCursorUpdate();
1003                                                 owner->view_state_changed();
1004                                         }
1005                                         goto exit_with_message;
1006                                 case LFUN_LEFT:
1007                                         if (view()->text->cursor.par()->isRightToLeftPar(owner->buffer()->params())) {
1008                                                 view()->text->cursorRight(view());
1009                                                 moveCursorUpdate();
1010                                                 owner->view_state_changed();
1011                                         }
1012                                         goto exit_with_message;
1013                                 case LFUN_DOWN:
1014                                         if (view()->text->cursorRow() != view()->text->lastRow())
1015                                                 view()->text->cursorDown(view());
1016                                         else
1017                                                 view()->text->cursorRight(view());
1018                                         moveCursorUpdate();
1019                                         owner->view_state_changed();
1020                                         goto exit_with_message;
1021                                 default:
1022                                         break;
1023                                 }
1024                         }
1025                 }
1026         }
1027
1028         switch (action) {
1029
1030         case LFUN_ESCAPE: {
1031                 if (!view()->available())
1032                         break;
1033                 // this function should be used always [asierra060396]
1034                 UpdatableInset * tli = view()->theLockingInset();
1035                 if (tli) {
1036                         UpdatableInset * lock = tli->getLockingInset();
1037
1038                         if (tli == lock) {
1039                                 view()->unlockInset(tli);
1040                                 view()->text->cursorRight(view());
1041                                 moveCursorUpdate();
1042                                 owner->view_state_changed();
1043                         } else {
1044                                 tli->unlockInsetInInset(view(), lock, true);
1045                         }
1046                         finishUndo();
1047                         // Tell the paragraph dialog that we changed paragraph
1048                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1049                 }
1050                 break;
1051         }
1052
1053         case LFUN_WORDFINDFORWARD:
1054         case LFUN_WORDFINDBACKWARD: {
1055                 static string last_search;
1056                 string searched_string;
1057
1058                 if (!argument.empty()) {
1059                         last_search = argument;
1060                         searched_string = argument;
1061                 } else {
1062                         searched_string = last_search;
1063                 }
1064                 bool fw = (action == LFUN_WORDFINDFORWARD);
1065                 if (!searched_string.empty())
1066                         lyx::find::find(view(), searched_string, fw);
1067                 break;
1068         }
1069
1070         case LFUN_PREFIX:
1071                 if (view()->available() && !view()->theLockingInset())
1072                         view()->update();
1073                 owner->message(keyseq.printOptions());
1074                 break;
1075
1076         // --- Misc -------------------------------------------
1077         case LFUN_EXEC_COMMAND:
1078                 owner->focus_command_buffer();
1079                 break;
1080
1081         case LFUN_CANCEL:
1082                 keyseq.reset();
1083                 meta_fake_bit = key_modifier::none;
1084                 if (view()->available())
1085                         // cancel any selection
1086                         dispatch(FuncRequest(LFUN_MARK_OFF));
1087                 setMessage(N_("Cancel"));
1088                 break;
1089
1090         case LFUN_META_FAKE:
1091                 meta_fake_bit = key_modifier::alt;
1092                 setMessage(keyseq.print());
1093                 break;
1094
1095         case LFUN_READ_ONLY_TOGGLE:
1096                 if (owner->buffer()->lyxvc().inUse())
1097                         owner->buffer()->lyxvc().toggleReadOnly();
1098                 else
1099                         owner->buffer()->setReadonly(
1100                                 !owner->buffer()->isReadonly());
1101                 break;
1102
1103         case LFUN_CENTER: // this is center and redraw.
1104                 view()->center();
1105                 break;
1106
1107                 // --- Menus -----------------------------------------------
1108         case LFUN_MENUNEW:
1109                 menuNew(argument, false);
1110                 break;
1111
1112         case LFUN_MENUNEWTMPLT:
1113                 menuNew(argument, true);
1114                 break;
1115
1116         case LFUN_CLOSEBUFFER:
1117                 closeBuffer();
1118                 break;
1119
1120         case LFUN_MENUWRITE:
1121                 if (!owner->buffer()->isUnnamed()) {
1122                         string const str = bformat(_("Saving document %1$s..."),
1123                            MakeDisplayPath(owner->buffer()->fileName()));
1124                         owner->message(str);
1125                         MenuWrite(owner->buffer());
1126                         owner->message(str + _(" done."));
1127                 } else
1128                         WriteAs(owner->buffer());
1129                 break;
1130
1131         case LFUN_WRITEAS:
1132                 WriteAs(owner->buffer(), argument);
1133                 break;
1134
1135         case LFUN_MENURELOAD: {
1136                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1137                 string text = bformat(_("Any changes will be lost. Are you sure "
1138                         "you want to revert to the saved version of the document %1$s?"), file);
1139                 int const ret = Alert::prompt(_("Revert to saved document?"),
1140                         text, 0, 1, _("&Revert"), _("&Cancel"));
1141
1142                 if (ret == 0)
1143                         view()->reload();
1144                 break;
1145         }
1146
1147         case LFUN_UPDATE:
1148                 Exporter::Export(owner->buffer(), argument, true);
1149                 view()->showErrorList(BufferFormat(*owner->buffer()));
1150                 break;
1151
1152         case LFUN_PREVIEW:
1153                 Exporter::Preview(owner->buffer(), argument);
1154                 view()->showErrorList(BufferFormat(*owner->buffer()));
1155                 break;
1156
1157         case LFUN_BUILDPROG:
1158                 Exporter::Export(owner->buffer(), "program", true);
1159                 view()->showErrorList(_("Build"));
1160                 break;
1161
1162         case LFUN_RUNCHKTEX:
1163                 owner->buffer()->runChktex();
1164                 view()->showErrorList(_("ChkTeX"));
1165                 break;
1166
1167         case LFUN_EXPORT:
1168                 if (argument == "custom")
1169                         owner->getDialogs().showSendto();
1170                 else {
1171                         Exporter::Export(owner->buffer(), argument, false);
1172                         view()->showErrorList(BufferFormat(*owner->buffer()));
1173                 }
1174                 break;
1175
1176         case LFUN_IMPORT:
1177                 doImport(argument);
1178                 break;
1179
1180         case LFUN_QUIT:
1181                 QuitLyX();
1182                 break;
1183
1184         case LFUN_TOCVIEW:
1185         {
1186                 InsetCommandParams p("tableofcontents");
1187                 string const data = InsetCommandMailer::params2string("toc", p);
1188                 owner->getDialogs().show("toc", data, 0);
1189                 break;
1190         }
1191
1192         case LFUN_AUTOSAVE:
1193                 AutoSave(view());
1194                 break;
1195
1196         case LFUN_UNDO:
1197                 view()->undo();
1198                 break;
1199
1200         case LFUN_REDO:
1201                 view()->redo();
1202                 break;
1203
1204         case LFUN_FREEFONT_APPLY:
1205                 apply_freefont(view());
1206                 break;
1207
1208         case LFUN_FREEFONT_UPDATE:
1209                 update_and_apply_freefont(view(), argument);
1210                 break;
1211
1212         case LFUN_RECONFIGURE:
1213                 Reconfigure(view());
1214                 break;
1215
1216 #if 0
1217         case LFUN_FLOATSOPERATE:
1218                 if (argument == "openfoot")
1219                         view()->allFloats(1,0);
1220                 else if (argument == "closefoot")
1221                         view()->allFloats(0,0);
1222                 else if (argument == "openfig")
1223                         view()->allFloats(1,1);
1224                 else if (argument == "closefig")
1225                         view()->allFloats(0,1);
1226                 break;
1227 #else
1228 #ifdef WITH_WARNINGS
1229 //#warning Find another implementation here (or another lyxfunc)!
1230 #endif
1231 #endif
1232         case LFUN_HELP_OPEN:
1233         {
1234                 string const arg = argument;
1235                 if (arg.empty()) {
1236                         setErrorMessage(N_("Missing argument"));
1237                         break;
1238                 }
1239                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1240                 if (fname.empty()) {
1241                         lyxerr << "LyX: unable to find documentation file `"
1242                                << arg << "'. Bad installation?" << endl;
1243                         break;
1244                 }
1245                 owner->message(bformat(_("Opening help file %1$s..."),
1246                         MakeDisplayPath(fname)));
1247                 view()->loadLyXFile(fname, false);
1248                 break;
1249         }
1250
1251                 // --- version control -------------------------------
1252         case LFUN_VC_REGISTER:
1253         {
1254                 if (!ensureBufferClean(view()))
1255                         break;
1256                 if (!owner->buffer()->lyxvc().inUse()) {
1257                         owner->buffer()->lyxvc().registrer();
1258                         view()->reload();
1259                 }
1260         }
1261         break;
1262
1263         case LFUN_VC_CHECKIN:
1264         {
1265                 if (!ensureBufferClean(view()))
1266                         break;
1267                 if (owner->buffer()->lyxvc().inUse()
1268                     && !owner->buffer()->isReadonly()) {
1269                         owner->buffer()->lyxvc().checkIn();
1270                         view()->reload();
1271                 }
1272         }
1273         break;
1274
1275         case LFUN_VC_CHECKOUT:
1276         {
1277                 if (!ensureBufferClean(view()))
1278                         break;
1279                 if (owner->buffer()->lyxvc().inUse()
1280                     && owner->buffer()->isReadonly()) {
1281                         owner->buffer()->lyxvc().checkOut();
1282                         view()->reload();
1283                 }
1284         }
1285         break;
1286
1287         case LFUN_VC_REVERT:
1288         {
1289                 owner->buffer()->lyxvc().revert();
1290                 view()->reload();
1291         }
1292         break;
1293
1294         case LFUN_VC_UNDO:
1295         {
1296                 owner->buffer()->lyxvc().undoLast();
1297                 view()->reload();
1298         }
1299         break;
1300
1301         // --- buffers ----------------------------------------
1302
1303         case LFUN_SWITCHBUFFER:
1304                 view()->buffer(bufferlist.getBuffer(argument));
1305                 break;
1306
1307         case LFUN_FILE_NEW:
1308                 NewFile(view(), argument);
1309                 break;
1310
1311         case LFUN_FILE_OPEN:
1312                 open(argument);
1313                 break;
1314
1315         case LFUN_LAYOUT_TABULAR:
1316             if (view()->theLockingInset()) {
1317                 if (view()->theLockingInset()->lyxCode()== InsetOld::TABULAR_CODE) {
1318                     InsetTabular * inset = static_cast<InsetTabular *>
1319                         (view()->theLockingInset());
1320                     inset->openLayoutDialog(view());
1321                 } else if (view()->theLockingInset()->
1322                            getFirstLockingInsetOfType(InsetOld::TABULAR_CODE)!=0) {
1323                     InsetTabular * inset = static_cast<InsetTabular *>(
1324                         view()->theLockingInset()->getFirstLockingInsetOfType(InsetOld::TABULAR_CODE));
1325                     inset->openLayoutDialog(view());
1326                 }
1327             }
1328             break;
1329
1330         case LFUN_DROP_LAYOUTS_CHOICE:
1331                 owner->getToolbar().openLayoutList();
1332                 break;
1333
1334         case LFUN_MENU_OPEN_BY_NAME:
1335                 owner->getMenubar().openByName(argument);
1336                 break; // RVDK_PATCH_5
1337
1338         // --- lyxserver commands ----------------------------
1339
1340
1341         case LFUN_GETNAME:
1342                 setMessage(owner->buffer()->fileName());
1343                 lyxerr[Debug::INFO] << "FNAME["
1344                                << owner->buffer()->fileName()
1345                                << "] " << endl;
1346                 break;
1347
1348         case LFUN_NOTIFY:
1349         {
1350                 dispatch_buffer = keyseq.print();
1351                 lyxserver->notifyClient(dispatch_buffer);
1352         }
1353         break;
1354
1355         case LFUN_GOTOFILEROW:
1356         {
1357                 string file_name;
1358                 int row;
1359                 istringstream istr(argument.c_str());
1360                 istr >> file_name >> row;
1361                 // Must replace extension of the file to be .lyx and get full path
1362                 string const s(ChangeExtension(file_name, ".lyx"));
1363
1364                 // Either change buffer or load the file
1365                 if (bufferlist.exists(s)) {
1366                         view()->buffer(bufferlist.getBuffer(s));
1367                 } else {
1368                         view()->loadLyXFile(s);
1369                 }
1370
1371                 view()->setCursorFromRow(row);
1372
1373                 view()->center();
1374                 // see BufferView_pimpl::center()
1375                 view()->updateScrollbar();
1376         }
1377         break;
1378
1379         case LFUN_GOTO_PARAGRAPH:
1380         {
1381                 istringstream istr(argument.c_str());
1382
1383                 int id;
1384                 istr >> id;
1385                 ParIterator par = owner->buffer()->getParFromID(id);
1386                 if (par == owner->buffer()->par_iterator_end()) {
1387                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1388                                             << id << ']' << endl;
1389                         break;
1390                 } else {
1391                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1392                                             << " found." << endl;
1393                 }
1394
1395                 if (view()->theLockingInset())
1396                         view()->unlockInset(view()->theLockingInset());
1397                 if (par->inInset()) {
1398                         FuncRequest cmd(view(), LFUN_INSET_EDIT, "left");
1399                         par->inInset()->localDispatch(cmd);
1400                 }
1401                 // Set the cursor
1402                 view()->getLyXText()->setCursor(par.pit(), 0);
1403                 view()->switchKeyMap();
1404                 owner->view_state_changed();
1405
1406                 view()->center();
1407                 // see BufferView_pimpl::center()
1408                 view()->updateScrollbar();
1409         }
1410         break;
1411
1412         // --- insert characters ----------------------------------------
1413
1414         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1415         case LFUN_MATH_EXTERN:
1416         case LFUN_MATH_NUMBER:
1417         case LFUN_MATH_NONUMBER:
1418         case LFUN_MATH_LIMITS:
1419         {
1420                 setErrorMessage(N_("This is only allowed in math mode!"));
1421         }
1422         break;
1423
1424         // passthrough hat and underscore outside mathed:
1425         case LFUN_SUBSCRIPT:
1426                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1427                 break;
1428         case LFUN_SUPERSCRIPT:
1429                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1430                 break;
1431
1432         case LFUN_DIALOG_SHOW: {
1433                 string const name = func.getArg(0);
1434                 string data = trim(func.argument.substr(name.size()));
1435
1436                 if (name == "character") {
1437                         data = freefont2string();
1438                         if (!data.empty())
1439                                 owner->getDialogs().show("character", data);
1440                 } else if (name == "document")
1441                         owner->getDialogs().showDocument();
1442                 else if (name == "findreplace")
1443                         owner->getDialogs().showSearch();
1444                 else if (name == "forks")
1445                         owner->getDialogs().showForks();
1446                 else if (name == "preamble")
1447                         owner->getDialogs().showPreamble();
1448                 else if (name == "preferences")
1449                         owner->getDialogs().showPreferences();
1450                 else if (name == "print")
1451                         owner->getDialogs().showPrint();
1452                 else if (name == "spellchecker")
1453                         owner->getDialogs().showSpellchecker();
1454                 else
1455                         owner->getDialogs().show(name, data);
1456                 break;
1457         }
1458
1459         case LFUN_DIALOG_SHOW_NEW_INSET: {
1460                 string const & name = argument;
1461                 string data;
1462                 if (name == "bibitem" ||
1463                     name == "bibtex" ||
1464                     name == "include" ||
1465                     name == "index" ||
1466                     name == "ref" ||
1467                     name == "toc" ||
1468                     name == "url") {
1469                         InsetCommandParams p(name);
1470                         data = InsetCommandMailer::params2string(name, p);
1471                 } else if (name == "citation") {
1472                         InsetCommandParams p("cite");
1473                         data = InsetCommandMailer::params2string(name, p);
1474                 }
1475                 owner->getDialogs().show(name, data, 0);
1476         }
1477         break;
1478
1479         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1480         }
1481         break;
1482
1483         case LFUN_INSET_DIALOG_SHOW: {
1484                 LyXText * lt = view()->getLyXText();
1485                 InsetOld * inset = lt->getInset();
1486                 if (inset) {
1487                         FuncRequest cmd(view(), LFUN_INSET_DIALOG_SHOW);
1488                         inset->localDispatch(cmd);
1489                 }
1490         }
1491         break;
1492
1493         case LFUN_DIALOG_UPDATE: {
1494                 string const & name = argument;
1495                 // Can only update a dialog connected to an existing inset
1496                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1497                 if (inset) {
1498                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1499                                        func.argument);
1500                         inset->localDispatch(fr);
1501                 } else if (name == "paragraph") {
1502                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1503                 }
1504         }
1505         break;
1506
1507         case LFUN_DIALOG_HIDE:
1508                 Dialogs::hide(argument, 0);
1509                 break;
1510
1511         case LFUN_DIALOG_DISCONNECT_INSET:
1512                 owner->getDialogs().disconnect(argument);
1513                 break;
1514
1515         case LFUN_CHILDOPEN:
1516         {
1517                 string const filename =
1518                         MakeAbsPath(argument,
1519                                     owner->buffer()->filePath());
1520                 setMessage(N_("Opening child document ") +
1521                            MakeDisplayPath(filename) + "...");
1522                 view()->savePosition(0);
1523                 if (bufferlist.exists(filename))
1524                         view()->buffer(bufferlist.getBuffer(filename));
1525                 else
1526                         view()->loadLyXFile(filename);
1527         }
1528         break;
1529
1530         case LFUN_TOGGLECURSORFOLLOW:
1531                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1532                 break;
1533
1534         case LFUN_KMAP_OFF:
1535                 owner->getIntl().KeyMapOn(false);
1536                 break;
1537
1538         case LFUN_KMAP_PRIM:
1539                 owner->getIntl().KeyMapPrim();
1540                 break;
1541
1542         case LFUN_KMAP_SEC:
1543                 owner->getIntl().KeyMapSec();
1544                 break;
1545
1546         case LFUN_KMAP_TOGGLE:
1547                 owner->getIntl().ToggleKeyMap();
1548                 break;
1549
1550         case LFUN_SEQUENCE:
1551         {
1552                 // argument contains ';'-terminated commands
1553                 while (!argument.empty()) {
1554                         string first;
1555                         argument = split(argument, first, ';');
1556                         dispatch(first);
1557                 }
1558         }
1559         break;
1560
1561         case LFUN_SAVEPREFERENCES:
1562         {
1563                 Path p(user_lyxdir());
1564                 lyxrc.write("preferences");
1565         }
1566         break;
1567
1568         case LFUN_SCREEN_FONT_UPDATE:
1569         {
1570                 // handle the screen font changes.
1571                 lyxrc.set_font_norm_type();
1572                 lyx_gui::update_fonts();
1573                 // We also need to empty the textcache so that
1574                 // the buffer will be formatted correctly after
1575                 // a zoom change.
1576                 textcache.clear();
1577                 // Of course we should only do the resize and the textcache.clear
1578                 // if values really changed...but not very important right now. (Lgb)
1579                 // All visible buffers will need resize
1580                 view()->resize();
1581                 view()->update();
1582         }
1583         break;
1584
1585         case LFUN_SET_COLOR:
1586         {
1587                 string lyx_name;
1588                 string const x11_name = split(argument, lyx_name, ' ');
1589                 if (lyx_name.empty() || x11_name.empty()) {
1590                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1591                                                 " <x11_name>"));
1592                         break;
1593                         }
1594
1595                 bool const graphicsbg_changed =
1596                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1597                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1598
1599                 if (!lcolor.setColor(lyx_name, x11_name)) {
1600                         setErrorMessage(
1601                                 bformat(_("Set-color \"%1$s\" failed "
1602                                                   "- color is undefined or "
1603                                                   "may not be redefined"), lyx_name));
1604                         break;
1605                 }
1606
1607                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1608
1609                 if (graphicsbg_changed) {
1610 #ifdef WITH_WARNINGS
1611 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1612 #endif
1613 #if 0
1614                         lyx::graphics::GCache & gc =
1615                                 lyx::graphics::GCache::get();
1616                         gc.changeDisplay(true);
1617 #endif
1618                 }
1619
1620                 view()->update();
1621                 break;
1622         }
1623
1624         case LFUN_MESSAGE:
1625                 owner->message(argument);
1626                 break;
1627
1628         case LFUN_FORKS_KILL:
1629         {
1630                 if (!isStrInt(argument))
1631                         break;
1632
1633                 pid_t const pid = strToInt(argument);
1634                 ForkedcallsController & fcc = ForkedcallsController::get();
1635                 fcc.kill(pid);
1636                 break;
1637         }
1638
1639         case LFUN_TOOLTIPS_TOGGLE:
1640                 owner->getDialogs().toggleTooltips();
1641                 break;
1642
1643         case LFUN_EXTERNAL_EDIT: {
1644                 InsetExternal()
1645                         .localDispatch(FuncRequest(view(), action, argument));
1646                 break;
1647         }
1648
1649         default:
1650                 // Then if it was none of the above
1651                 // Trying the BufferView::pimpl dispatch:
1652                 if (!view()->dispatch(func))
1653                         lyxerr << "A truly unknown func ["
1654                                << lyxaction.getActionName(func.action) << "]!"
1655                                << endl;
1656                 break;
1657         } // end of switch
1658
1659 exit_with_message:
1660
1661         view()->owner()->updateLayoutChoice();
1662
1663         if (view()->available()) {
1664                 if (view()->fitCursor()) {
1665                         //lyxerr << "LyXFunc->fitCursor->update" << endl;
1666                         view()->update();
1667                 }
1668
1669                 // If we executed a mutating lfun, mark the buffer as dirty
1670                 if (!getStatus(func).disabled()
1671                     && !lyxaction.funcHasFlag(func.action, LyXAction::NoBuffer)
1672                     && !lyxaction.funcHasFlag(func.action, LyXAction::ReadOnly))
1673                         view()->buffer()->markDirty();
1674         }
1675
1676         sendDispatchMessage(getMessage(), func, verbose);
1677 }
1678
1679
1680 void LyXFunc::sendDispatchMessage(string const & msg,
1681                                   FuncRequest const & func, bool verbose)
1682 {
1683         owner->updateMenubar();
1684         owner->updateToolbar();
1685
1686         if (func.action == LFUN_SELFINSERT || !verbose) {
1687                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1688                 if (!msg.empty())
1689                         owner->message(msg);
1690                 return;
1691         }
1692
1693         string dispatch_msg = msg;
1694         if (!dispatch_msg.empty())
1695                 dispatch_msg += ' ';
1696
1697         string comname = lyxaction.getActionName(func.action);
1698
1699         bool argsadded = false;
1700
1701         if (!func.argument.empty()) {
1702                 if (func.action != LFUN_UNKNOWN_ACTION) {
1703                         comname += ' ' + func.argument;
1704                         argsadded = true;
1705                 }
1706         }
1707
1708         string const shortcuts = toplevel_keymap->findbinding(func);
1709
1710         if (!shortcuts.empty()) {
1711                 comname += ": " + shortcuts;
1712         } else if (!argsadded && !func.argument.empty()) {
1713                 comname += ' ' + func.argument;
1714         }
1715
1716         if (!comname.empty()) {
1717                 comname = rtrim(comname);
1718                 dispatch_msg += '(' + comname + ')';
1719         }
1720
1721         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1722         if (!dispatch_msg.empty())
1723                 owner->message(dispatch_msg);
1724 }
1725
1726
1727 void LyXFunc::setupLocalKeymap()
1728 {
1729         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1730         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1731 }
1732
1733
1734 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1735 {
1736         string initpath = lyxrc.document_path;
1737         string filename(name);
1738
1739         if (view()->available()) {
1740                 string const trypath = owner->buffer()->filePath();
1741                 // If directory is writeable, use this as default.
1742                 if (IsDirWriteable(trypath))
1743                         initpath = trypath;
1744         }
1745
1746         static int newfile_number;
1747
1748         if (filename.empty()) {
1749                 filename = AddName(lyxrc.document_path,
1750                             "newfile" + tostr(++newfile_number) + ".lyx");
1751                 FileInfo fi(filename);
1752                 while (bufferlist.exists(filename) || fi.readable()) {
1753                         ++newfile_number;
1754                         filename = AddName(lyxrc.document_path,
1755                                     "newfile" + tostr(newfile_number) +
1756                                     ".lyx");
1757                         fi.newFile(filename);
1758                 }
1759         }
1760
1761         // The template stuff
1762         string templname;
1763         if (fromTemplate) {
1764                 FileDialog fileDlg(_("Select template file"),
1765                         LFUN_SELECT_FILE_SYNC,
1766                         make_pair(string(_("Documents|#o#O")),
1767                                   string(lyxrc.document_path)),
1768                         make_pair(string(_("Templates|#T#t")),
1769                                   string(lyxrc.template_path)));
1770
1771                 FileDialog::Result result =
1772                         fileDlg.open(lyxrc.template_path,
1773                                        _("*.lyx| LyX Documents (*.lyx)"));
1774
1775                 if (result.first == FileDialog::Later)
1776                         return;
1777
1778                 string const fname = result.second;
1779
1780                 if (fname.empty())
1781                         return;
1782                 templname = fname;
1783         }
1784
1785         view()->newFile(filename, templname, !name.empty());
1786 }
1787
1788
1789 void LyXFunc::open(string const & fname)
1790 {
1791         string initpath = lyxrc.document_path;
1792
1793         if (view()->available()) {
1794                 string const trypath = owner->buffer()->filePath();
1795                 // If directory is writeable, use this as default.
1796                 if (IsDirWriteable(trypath))
1797                         initpath = trypath;
1798         }
1799
1800         string filename;
1801
1802         if (fname.empty()) {
1803                 FileDialog fileDlg(_("Select document to open"),
1804                         LFUN_FILE_OPEN,
1805                         make_pair(string(_("Documents|#o#O")),
1806                                   string(lyxrc.document_path)),
1807                         make_pair(string(_("Examples|#E#e")),
1808                                   string(AddPath(system_lyxdir(), "examples"))));
1809
1810                 FileDialog::Result result =
1811                         fileDlg.open(initpath,
1812                                        _("*.lyx| LyX Documents (*.lyx)"));
1813
1814                 if (result.first == FileDialog::Later)
1815                         return;
1816
1817                 filename = result.second;
1818
1819                 // check selected filename
1820                 if (filename.empty()) {
1821                         owner->message(_("Canceled."));
1822                         return;
1823                 }
1824         } else
1825                 filename = fname;
1826
1827         // get absolute path of file and add ".lyx" to the filename if
1828         // necessary
1829         string const fullpath = FileSearch(string(), filename, "lyx");
1830         if (!fullpath.empty()) {
1831                 filename = fullpath;
1832         }
1833
1834         string const disp_fn(MakeDisplayPath(filename));
1835
1836         // if the file doesn't exist, let the user create one
1837         FileInfo const f(filename, true);
1838         if (!f.exist()) {
1839                 // the user specifically chose this name. Believe them.
1840                 view()->newFile(filename, "", true);
1841                 return;
1842         }
1843
1844         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1845
1846         string str2;
1847         if (view()->loadLyXFile(filename)) {
1848                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1849         } else {
1850                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1851         }
1852         owner->message(str2);
1853 }
1854
1855
1856 void LyXFunc::doImport(string const & argument)
1857 {
1858         string format;
1859         string filename = split(argument, format, ' ');
1860
1861         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1862                             << " file: " << filename << endl;
1863
1864         // need user interaction
1865         if (filename.empty()) {
1866                 string initpath = lyxrc.document_path;
1867
1868                 if (view()->available()) {
1869                         string const trypath = owner->buffer()->filePath();
1870                         // If directory is writeable, use this as default.
1871                         if (IsDirWriteable(trypath))
1872                                 initpath = trypath;
1873                 }
1874
1875                 string const text = bformat(_("Select %1$s file to import"),
1876                         formats.prettyName(format));
1877
1878                 FileDialog fileDlg(text,
1879                         LFUN_IMPORT,
1880                         make_pair(string(_("Documents|#o#O")),
1881                                   string(lyxrc.document_path)),
1882                         make_pair(string(_("Examples|#E#e")),
1883                                   string(AddPath(system_lyxdir(), "examples"))));
1884
1885                 string const extension = "*." + formats.extension(format)
1886                         + "| " + formats.prettyName(format)
1887                         + " (*." + formats.extension(format) + ')';
1888
1889                 FileDialog::Result result = fileDlg.open(initpath,
1890                                                            extension);
1891
1892                 if (result.first == FileDialog::Later)
1893                         return;
1894
1895                 filename = result.second;
1896
1897                 // check selected filename
1898                 if (filename.empty())
1899                         owner->message(_("Canceled."));
1900         }
1901
1902         if (filename.empty())
1903                 return;
1904
1905         // get absolute path of file
1906         filename = MakeAbsPath(filename);
1907
1908         string const lyxfile = ChangeExtension(filename, ".lyx");
1909
1910         // Check if the document already is open
1911         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1912                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1913                         owner->message(_("Canceled."));
1914                         return;
1915                 }
1916         }
1917
1918         // if the file exists already, and we didn't do
1919         // -i lyx thefile.lyx, warn
1920         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1921                 string const file = MakeDisplayPath(lyxfile, 30);
1922
1923                 string text = bformat(_("The document %1$s already exists.\n\n"
1924                         "Do you want to over-write that document?"), file);
1925                 int const ret = Alert::prompt(_("Over-write document?"),
1926                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1927
1928                 if (ret == 1) {
1929                         owner->message(_("Canceled."));
1930                         return;
1931                 }
1932         }
1933
1934         Importer::Import(owner, filename, format);
1935 }
1936
1937
1938 void LyXFunc::closeBuffer()
1939 {
1940         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1941                 if (bufferlist.empty()) {
1942                         // need this otherwise SEGV may occur while
1943                         // trying to set variables that don't exist
1944                         // since there's no current buffer
1945                         owner->getDialogs().hideBufferDependent();
1946                 } else {
1947                         view()->buffer(bufferlist.first());
1948                 }
1949         }
1950 }
1951
1952
1953 // Each "owner" should have it's own message method. lyxview and
1954 // the minibuffer would use the minibuffer, but lyxserver would
1955 // send an ERROR signal to its client.  Alejandro 970603
1956 // This func is bit problematic when it comes to NLS, to make the
1957 // lyx servers client be language indepenent we must not translate
1958 // strings sent to this func.
1959 void LyXFunc::setErrorMessage(string const & m) const
1960 {
1961         dispatch_buffer = m;
1962         errorstat = true;
1963 }
1964
1965
1966 void LyXFunc::setMessage(string const & m) const
1967 {
1968         dispatch_buffer = m;
1969 }
1970
1971
1972 void LyXFunc::setStatusMessage(string const & m) const
1973 {
1974         status_buffer = m;
1975 }
1976
1977
1978 string const LyXFunc::view_status_message()
1979 {
1980         // When meta-fake key is pressed, show the key sequence so far + "M-".
1981         if (wasMetaKey()) {
1982                 return keyseq.print() + "M-";
1983         }
1984
1985         // Else, when a non-complete key sequence is pressed,
1986         // show the available options.
1987         if (keyseq.length() > 0 && !keyseq.deleted()) {
1988                 return keyseq.printOptions();
1989         }
1990
1991         if (!view()->available())
1992                 return _("Welcome to LyX!");
1993
1994         return currentState(view());
1995 }
1996
1997
1998 BufferView * LyXFunc::view() const
1999 {
2000         BOOST_ASSERT(owner);
2001         return owner->view().get();
2002 }
2003
2004
2005 bool LyXFunc::wasMetaKey() const
2006 {
2007         return (meta_fake_bit != key_modifier::none);
2008 }