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