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