src/lyxfunc.C

   1 /**
   2  * \file lyxfunc.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  * \author Allan Rae
  13  * \author Dekel Tsur
  14  * \author Martin Vermeer
  15  * \author Jürgen Vigna
  16  *
  17  * Full author contact details are available in file CREDITS.
  18  */
  19
  20 #include <config.h>
  21
  22 #include "lyxfunc.h"
  23
  24 #include "BranchList.h"
  25 #include "buffer.h"
  26 #include "buffer_funcs.h"
  27 #include "bufferlist.h"
  28 #include "bufferparams.h"
  29 #include "BufferView.h"
  30 #include "cursor.h"
  31 #include "debug.h"
  32 #include "dispatchresult.h"
  33 #include "encoding.h"
  34 #include "exporter.h"
  35 #include "format.h"
  36 #include "funcrequest.h"
  37 #include "gettext.h"
  38 #include "importer.h"
  39 #include "intl.h"
  40 #include "iterators.h"
  41 #include "kbmap.h"
  42 #include "LColor.h"
  43 #include "lyx_cb.h"
  44 #include "LyXAction.h"
  45 #include "lyxfind.h"
  46 #include "lyxrc.h"
  47 #include "lyxrow.h"
  48 #include "lyxserver.h"
  49 #include "lyxvc.h"
  50 #include "paragraph.h"
  51 #include "ParagraphParameters.h"
  52 #include "undo.h"
  53
  54 #include "insets/insetbox.h"
  55 #include "insets/insetbranch.h"
  56 #include "insets/insetcommand.h"
  57 #include "insets/insetert.h"
  58 #include "insets/insetexternal.h"
  59 #include "insets/insetfloat.h"
  60 #include "insets/insetgraphics.h"
  61 #include "insets/insetnote.h"
  62 #include "insets/insettabular.h"
  63 #include "insets/insetvspace.h"
  64 #include "insets/insetwrap.h"
  65
  66 #include "frontends/Alert.h"
  67 #include "frontends/Dialogs.h"
  68 #include "frontends/FileDialog.h"
  69 #include "frontends/lyx_gui.h"
  70 #include "frontends/LyXKeySym.h"
  71 #include "frontends/LyXView.h"
  72 #include "frontends/Menubar.h"
  73 #include "frontends/Toolbar.h"
  74
  75 #include "support/FileInfo.h"
  76 #include "support/filetools.h"
  77 #include "support/forkedcontr.h"
  78 #include "support/globbing.h"
  79 #include "support/path.h"
  80 #include "support/path_defines.h"
  81 #include "support/tostr.h"
  82 #include "support/std_sstream.h"
  83 #include "support/os.h"
  84
  85 using bv_funcs::changeDepth;
  86 using bv_funcs::currentState;
  87 using bv_funcs::DEC_DEPTH;
  88 using bv_funcs::freefont2string;
  89 using bv_funcs::INC_DEPTH;
  90
  91 using lyx::support::AddName;
  92 using lyx::support::AddPath;
  93 using lyx::support::bformat;
  94 using lyx::support::ChangeExtension;
  95 using lyx::support::FileFilterList;
  96 using lyx::support::FileInfo;
  97 using lyx::support::FileSearch;
  98 using lyx::support::ForkedcallsController;
  99 using lyx::support::i18nLibFileSearch;
 100 using lyx::support::IsDirWriteable;
 101 using lyx::support::IsFileReadable;
 102 using lyx::support::isStrInt;
 103 using lyx::support::MakeAbsPath;
 104 using lyx::support::MakeDisplayPath;
 105 using lyx::support::Path;
 106 using lyx::support::rtrim;
 107 using lyx::support::split;
 108 using lyx::support::strToInt;
 109 using lyx::support::strToUnsignedInt;
 110 using lyx::support::system_lyxdir;
 111 using lyx::support::token;
 112 using lyx::support::trim;
 113 using lyx::support::user_lyxdir;
 114 using lyx::support::prefixIs;
 115 using lyx::support::os::getTmpDir;
 116
 117 using std::endl;
 118 using std::make_pair;
 119 using std::pair;
 120 using std::string;
 121 using std::istringstream;
 122
 123
 124 extern BufferList bufferlist;
 125 extern LyXServer * lyxserver;
 126 extern bool selection_possible;
 127
 128 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 129
 130 // (alkis)
 131 extern tex_accent_struct get_accent(kb_action action);
 132
 133
 134 LyXFunc::LyXFunc(LyXView * lv)
 135         : owner(lv),
 136         encoded_last_key(0),
 137         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 138         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 139         meta_fake_bit(key_modifier::none)
 140 {
 141 }
 142
 143
 144 void LyXFunc::handleKeyFunc(kb_action action)
 145 {
 146         char c = encoded_last_key;
 147
 148         if (keyseq.length()) {
 149                 c = 0;
 150         }
 151
 152         owner->getIntl().getTransManager()
 153                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 154         // Need to clear, in case the minibuffer calls these
 155         // actions
 156         keyseq.clear();
 157         // copied verbatim from do_accent_char
 158         view()->cursor().resetAnchor();
 159         view()->update();
 160 }
 161
 162
 163 void LyXFunc::processKeySym(LyXKeySymPtr keysym, key_modifier::state state)
 164 {
 165         lyxerr[Debug::KEY] << "KeySym is " << keysym->getSymbolName() << endl;
 166
 167         // Do nothing if we have nothing (JMarc)
 168         if (!keysym->isOK()) {
 169                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 170                                    << endl;
 171                 return;
 172         }
 173
 174         if (keysym->isModifier()) {
 175                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 176                 return;
 177         }
 178
 179         Encoding const * encoding = view()->getEncoding();
 180
 181         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 182
 183         // Do a one-deep top-level lookup for
 184         // cancel and meta-fake keys. RVDK_PATCH_5
 185         cancel_meta_seq.reset();
 186
 187         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 188         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 189
 190         // When not cancel or meta-fake, do the normal lookup.
 191         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 192         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 193         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 194                 // remove Caps Lock and Mod2 as a modifiers
 195                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 196                 lyxerr[Debug::KEY] << "action now set to ["
 197                         << func.action << ']' << endl;
 198         }
 199
 200         // Dont remove this unless you know what you are doing.
 201         meta_fake_bit = key_modifier::none;
 202
 203         // can this happen now ?
 204         if (func.action == LFUN_NOACTION) {
 205                 func = FuncRequest(LFUN_PREFIX);
 206         }
 207
 208         if (lyxerr.debugging(Debug::KEY)) {
 209                 lyxerr << "Key [action="
 210                        << func.action << "]["
 211                        << keyseq.print() << ']'
 212                        << endl;
 213         }
 214
 215         // already here we know if it any point in going further
 216         // why not return already here if action == -1 and
 217         // num_bytes == 0? (Lgb)
 218
 219         if (keyseq.length() > 1) {
 220                 owner->message(keyseq.print());
 221         }
 222
 223
 224         // Maybe user can only reach the key via holding down shift.
 225         // Let's see. But only if shift is the only modifier
 226         if (func.action == LFUN_UNKNOWN_ACTION &&
 227             state == key_modifier::shift) {
 228                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 229                 func = keyseq.addkey(keysym, key_modifier::none);
 230                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 231         }
 232
 233         if (func.action == LFUN_UNKNOWN_ACTION) {
 234                 // Hmm, we didn't match any of the keysequences. See
 235                 // if it's normal insertable text not already covered
 236                 // by a binding
 237                 if (keysym->isText() && keyseq.length() == 1) {
 238                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 239                         func = FuncRequest(LFUN_SELFINSERT);
 240                 } else {
 241                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 242                         owner->message(_("Unknown function."));
 243                         return;
 244                 }
 245         }
 246
 247         if (func.action == LFUN_SELFINSERT) {
 248                 if (encoded_last_key != 0) {
 249                         string arg(1, encoded_last_key);
 250                         dispatch(FuncRequest(LFUN_SELFINSERT, arg));
 251                         lyxerr[Debug::KEY]
 252                                 << "SelfInsert arg[`" << arg << "']" << endl;
 253                 }
 254         } else {
 255                 dispatch(func);
 256         }
 257 }
 258
 259
 260 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 261 {
 262         FuncStatus flag;
 263         Buffer * buf = owner->buffer();
 264         LCursor & cur = view()->cursor();
 265
 266         if (ev.action == LFUN_NOACTION) {
 267                 setStatusMessage(N_("Nothing to do"));
 268                 flag.disabled(true);
 269                 return flag;
 270         }
 271
 272         switch (ev.action) {
 273         case LFUN_UNKNOWN_ACTION:
 274 #ifndef HAVE_LIBAIKSAURUS
 275         case LFUN_THESAURUS_ENTRY:
 276 #endif
 277                 flag.unknown(true);
 278                 flag.disabled(true);
 279                 break;
 280         default:
 281                 flag |= lyx_gui::getStatus(ev);
 282         }
 283
 284         if (flag.unknown()) {
 285                 setStatusMessage(N_("Unknown action"));
 286                 return flag;
 287         }
 288
 289         // the default error message if we disable the command
 290         setStatusMessage(N_("Command disabled"));
 291
 292         // Check whether we need a buffer
 293         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 294                 // Yes we need a buffer, do we have one?
 295                 if (buf) {
 296                         // yes
 297                         // Can we use a readonly buffer?
 298                         if (buf->isReadonly() &&
 299                             !lyxaction.funcHasFlag(ev.action,
 300                                                    LyXAction::ReadOnly)) {
 301                                 // no
 302                                 setStatusMessage(N_("Document is read-only"));
 303                                 flag.disabled(true);
 304                         }
 305                 } else {
 306                         // no
 307                         setStatusMessage(N_("Command not allowed with"
 308                                             "out any document open"));
 309                         flag.disabled(true);
 310                         return flag;
 311                 }
 312         }
 313
 314         UpdatableInset * tli = cur.inset() ? cur.inset()->asUpdatableInset() : 0;
 315         InsetTabular * tab = cur.innerInsetTabular();
 316
 317         // I would really like to avoid having this switch and rather try to
 318         // encode this in the function itself.
 319         bool disable = false;
 320         switch (ev.action) {
 321         case LFUN_EXPORT:
 322                 disable = ev.argument != "custom"
 323                         && !Exporter::IsExportable(*buf, ev.argument);
 324                 break;
 325         case LFUN_UNDO:
 326                 disable = buf->undostack().empty();
 327                 break;
 328         case LFUN_REDO:
 329                 disable = buf->redostack().empty();
 330                 break;
 331         case LFUN_CUT:
 332         case LFUN_COPY:
 333                 if (tab && tab->hasSelection())
 334                         disable = false;
 335                 else
 336                         disable = cur.inTexted() && !cur.selection();
 337                 break;
 338
 339         case LFUN_RUNCHKTEX:
 340                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 341                 break;
 342
 343         case LFUN_BUILDPROG:
 344                 disable = !Exporter::IsExportable(*buf, "program");
 345                 break;
 346
 347         case LFUN_LAYOUT_TABULAR:
 348                 disable = !cur.innerInsetTabular();
 349                 break;
 350
 351         case LFUN_DEPTH_MIN:
 352                 disable = !changeDepthAllowed(view(), view()->getLyXText(), DEC_DEPTH);
 353                 break;
 354
 355         case LFUN_DEPTH_PLUS:
 356                 disable = !changeDepthAllowed(view(), view()->getLyXText(), INC_DEPTH);
 357                 break;
 358
 359         case LFUN_LAYOUT:
 360         case LFUN_LAYOUT_PARAGRAPH:
 361                 disable = cur.inset()
 362                         && cur.inset()->forceDefaultParagraphs(cur.inset());
 363                 break;
 364
 365         case LFUN_INSET_OPTARG:
 366                 disable = cur.inMathed()
 367                         || cur.paragraph().layout()->optionalargs == 0;
 368                 break;
 369
 370         case LFUN_TABULAR_FEATURE:
 371 #if 0
 372                 if (cur.inMathed()) {
 373                         // FIXME: check temporarily disabled
 374                         // valign code
 375                         char align = mathcursor::valign();
 376                         if (align == '\0') {
 377                                 disable = true;
 378                                 break;
 379                         }
 380                         if (ev.argument.empty()) {
 381                                 flag.clear();
 382                                 break;
 383                         }
 384                         if (!contains("tcb", ev.argument[0])) {
 385                                 disable = true;
 386                                 break;
 387                         }
 388                         flag.setOnOff(ev.argument[0] == align);
 389                 } else {
 390                         disable = true;
 391
 392                         char align = mathcursor::halign();
 393                         if (align == '\0') {
 394                                 disable = true;
 395                                 break;
 396                         }
 397                         if (ev.argument.empty()) {
 398                                 flag.clear();
 399                                 break;
 400                         }
 401                         if (!contains("lcr", ev.argument[0])) {
 402                                 disable = true;
 403                                 break;
 404                         }
 405                         flag.setOnOff(ev.argument[0] == align);
 406
 407                         disable = !mathcursor::halign();
 408                         break;
 409                 }
 410
 411                 if (tli) {
 412                         FuncStatus ret;
 413                         //ret.disabled(true);
 414                         InsetTabular * tab = cur.innerInsetTabular();
 415                         if (tab) {
 416                                 ret = tab->getStatus(ev.argument);
 417                                 flag |= ret;
 418                                 disable = false;
 419                         } else {
 420                                 disable = true;
 421                         }
 422                 } else {
 423                         static InsetTabular inset(*buf, 1, 1);
 424                         disable = true;
 425                         FuncStatus ret = inset.getStatus(ev.argument);
 426                         if (ret.onoff(true) || ret.onoff(false))
 427                                 flag.setOnOff(false);
 428                 }
 429 #endif
 430                 break;
 431
 432         case LFUN_VC_REGISTER:
 433                 disable = buf->lyxvc().inUse();
 434                 break;
 435         case LFUN_VC_CHECKIN:
 436                 disable = !buf->lyxvc().inUse() || buf->isReadonly();
 437                 break;
 438         case LFUN_VC_CHECKOUT:
 439                 disable = !buf->lyxvc().inUse() || !buf->isReadonly();
 440                 break;
 441         case LFUN_VC_REVERT:
 442         case LFUN_VC_UNDO:
 443                 disable = !buf->lyxvc().inUse();
 444                 break;
 445         case LFUN_MENURELOAD:
 446                 disable = buf->isUnnamed() || buf->isClean();
 447                 break;
 448         case LFUN_BOOKMARK_GOTO:
 449                 disable = !view()->
 450                         isSavedPosition(strToUnsignedInt(ev.argument));
 451                 break;
 452
 453         case LFUN_MERGE_CHANGES:
 454         case LFUN_ACCEPT_CHANGE:
 455         case LFUN_REJECT_CHANGE:
 456         case LFUN_ACCEPT_ALL_CHANGES:
 457         case LFUN_REJECT_ALL_CHANGES:
 458                 disable = !buf->params().tracking_changes;
 459                 break;
 460
 461         case LFUN_INSET_SETTINGS: {
 462                 disable = true;
 463                 if (!cur.inset())
 464                         break;
 465                 UpdatableInset * inset = cur.inset()->asUpdatableInset();
 466                 if (!inset)
 467                         break;
 468
 469                 // jump back to owner if an InsetText, so
 470                 // we get back to the InsetTabular or whatever
 471                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 472                         inset = inset->owner();
 473
 474                 InsetOld::Code code = inset->lyxCode();
 475                 switch (code) {
 476                         case InsetOld::TABULAR_CODE:
 477                                 disable = ev.argument != "tabular";
 478                                 break;
 479                         case InsetOld::ERT_CODE:
 480                                 disable = ev.argument != "ert";
 481                                 break;
 482                         case InsetOld::FLOAT_CODE:
 483                                 disable = ev.argument != "float";
 484                                 break;
 485                         case InsetOld::WRAP_CODE:
 486                                 disable = ev.argument != "wrap";
 487                                 break;
 488                         case InsetOld::NOTE_CODE:
 489                                 disable = ev.argument != "note";
 490                                 break;
 491                         case InsetOld::BRANCH_CODE:
 492                                 disable = ev.argument != "branch";
 493                                 break;
 494                         case InsetOld::BOX_CODE:
 495                                 disable = ev.argument != "box";
 496                                 break;
 497                         default:
 498                                 break;
 499                 }
 500                 break;
 501         }
 502
 503         case LFUN_MATH_MUTATE:
 504                 if (cur.inMathed())
 505                         //flag.setOnOff(mathcursor::formula()->hullType() == ev.argument);
 506                         flag.setOnOff(false);
 507                 else
 508                         disable = true;
 509                 break;
 510
 511         // we just need to be in math mode to enable that
 512         case LFUN_MATH_SIZE:
 513         case LFUN_MATH_SPACE:
 514         case LFUN_MATH_LIMITS:
 515         case LFUN_MATH_NONUMBER:
 516         case LFUN_MATH_NUMBER:
 517         case LFUN_MATH_EXTERN:
 518                 disable = cur.inTexted();
 519                 break;
 520
 521         case LFUN_DIALOG_SHOW: {
 522                 string const name = ev.getArg(0);
 523                 if (!buf) {
 524                         disable = !(name == "aboutlyx" ||
 525                                     name == "file" ||
 526                                     name == "forks" ||
 527                                     name == "preferences" ||
 528                                     name == "texinfo");
 529                         break;
 530                 }
 531
 532                 if (name == "print") {
 533                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 534                                 lyxrc.print_command == "none";
 535                 } else if (name == "character") {
 536                         InsetBase * inset = cur.inset();
 537                         disable = inset && inset->lyxCode() == InsetOld::ERT_CODE;
 538                 } else if (name == "vclog") {
 539                         disable = !buf->lyxvc().inUse();
 540                 } else if (name == "latexlog") {
 541                         disable = !IsFileReadable(buf->getLogName().second);
 542                 }
 543                 break;
 544         }
 545
 546         default:
 547                 break;
 548         }
 549
 550         // the functions which insert insets
 551         InsetOld::Code code = InsetOld::NO_CODE;
 552         switch (ev.action) {
 553         case LFUN_DIALOG_SHOW_NEW_INSET:
 554                 if (ev.argument == "bibitem")
 555                         code = InsetOld::BIBITEM_CODE;
 556                 else if (ev.argument == "bibtex")
 557                         code = InsetOld::BIBTEX_CODE;
 558                 else if (ev.argument == "box")
 559                         code = InsetOld::BOX_CODE;
 560                 else if (ev.argument == "branch")
 561                         code = InsetOld::BRANCH_CODE;
 562                 else if (ev.argument == "citation")
 563                         code = InsetOld::CITE_CODE;
 564                 else if (ev.argument == "ert")
 565                         code = InsetOld::ERT_CODE;
 566                 else if (ev.argument == "external")
 567                         code = InsetOld::EXTERNAL_CODE;
 568                 else if (ev.argument == "float")
 569                         code = InsetOld::FLOAT_CODE;
 570                 else if (ev.argument == "graphics")
 571                         code = InsetOld::GRAPHICS_CODE;
 572                 else if (ev.argument == "include")
 573                         code = InsetOld::INCLUDE_CODE;
 574                 else if (ev.argument == "index")
 575                         code = InsetOld::INDEX_CODE;
 576                 else if (ev.argument == "label")
 577                         code = InsetOld::LABEL_CODE;
 578                 else if (ev.argument == "note")
 579                         code = InsetOld::NOTE_CODE;
 580                 else if (ev.argument == "ref")
 581                         code = InsetOld::REF_CODE;
 582                 else if (ev.argument == "toc")
 583                         code = InsetOld::TOC_CODE;
 584                 else if (ev.argument == "url")
 585                         code = InsetOld::URL_CODE;
 586                 else if (ev.argument == "vspace")
 587                         code = InsetOld::VSPACE_CODE;
 588                 else if (ev.argument == "wrap")
 589                         code = InsetOld::WRAP_CODE;
 590                 break;
 591
 592         case LFUN_INSET_ERT:
 593                 code = InsetOld::ERT_CODE;
 594                 break;
 595         case LFUN_INSET_FOOTNOTE:
 596                 code = InsetOld::FOOT_CODE;
 597                 break;
 598         case LFUN_TABULAR_INSERT:
 599                 code = InsetOld::TABULAR_CODE;
 600                 break;
 601         case LFUN_INSET_MARGINAL:
 602                 code = InsetOld::MARGIN_CODE;
 603                 break;
 604         case LFUN_INSET_FLOAT:
 605         case LFUN_INSET_WIDE_FLOAT:
 606                 code = InsetOld::FLOAT_CODE;
 607                 break;
 608         case LFUN_INSET_WRAP:
 609                 code = InsetOld::WRAP_CODE;
 610                 break;
 611         case LFUN_FLOAT_LIST:
 612                 code = InsetOld::FLOAT_LIST_CODE;
 613                 break;
 614 #if 0
 615         case LFUN_INSET_LIST:
 616                 code = InsetOld::LIST_CODE;
 617                 break;
 618         case LFUN_INSET_THEOREM:
 619                 code = InsetOld::THEOREM_CODE;
 620                 break;
 621 #endif
 622         case LFUN_INSET_CAPTION:
 623                 code = InsetOld::CAPTION_CODE;
 624                 break;
 625         case LFUN_INSERT_NOTE:
 626                 code = InsetOld::NOTE_CODE;
 627                 break;
 628         case LFUN_INSERT_CHARSTYLE:
 629                 code = InsetOld::CHARSTYLE_CODE;
 630                 if (buf->params().getLyXTextClass().charstyles().empty())
 631                         disable = true;
 632                 break;
 633         case LFUN_INSERT_BOX:
 634                 code = InsetOld::BOX_CODE;
 635                 break;
 636         case LFUN_INSERT_BRANCH:
 637                 code = InsetOld::BRANCH_CODE;
 638                 if (buf->params().branchlist().empty())
 639                         disable = true;
 640                 break;
 641         case LFUN_INSERT_LABEL:
 642                 code = InsetOld::LABEL_CODE;
 643                 break;
 644         case LFUN_INSET_OPTARG:
 645                 code = InsetOld::OPTARG_CODE;
 646                 break;
 647         case LFUN_ENVIRONMENT_INSERT:
 648                 code = InsetOld::BOX_CODE;
 649                 break;
 650         case LFUN_INDEX_INSERT:
 651                 code = InsetOld::INDEX_CODE;
 652                 break;
 653         case LFUN_INDEX_PRINT:
 654                 code = InsetOld::INDEX_PRINT_CODE;
 655                 break;
 656         case LFUN_TOC_INSERT:
 657                 code = InsetOld::TOC_CODE;
 658                 break;
 659         case LFUN_HTMLURL:
 660         case LFUN_URL:
 661                 code = InsetOld::URL_CODE;
 662                 break;
 663         case LFUN_QUOTE:
 664                 // always allow this, since we will inset a raw quote
 665                 // if an inset is not allowed.
 666                 break;
 667         case LFUN_HYPHENATION:
 668         case LFUN_LIGATURE_BREAK:
 669         case LFUN_HFILL:
 670         case LFUN_MENU_SEPARATOR:
 671         case LFUN_LDOTS:
 672         case LFUN_END_OF_SENTENCE:
 673                 code = InsetOld::SPECIALCHAR_CODE;
 674                 break;
 675         case LFUN_SPACE_INSERT:
 676                 // slight hack: we know this is allowed in math mode
 677                 if (cur.inTexted())
 678                         code = InsetOld::SPACE_CODE;
 679                 break;
 680         case LFUN_INSET_DIALOG_SHOW: {
 681                 InsetBase * inset = cur.nextInset();
 682                 disable = !inset;
 683                 if (inset) {
 684                         code = inset->lyxCode();
 685                         if (!(code == InsetOld::INCLUDE_CODE
 686                                 || code == InsetOld::BIBTEX_CODE
 687                                 || code == InsetOld::FLOAT_LIST_CODE
 688                                 || code == InsetOld::TOC_CODE))
 689                                 disable = true;
 690                 }
 691                 break;
 692         }
 693         default:
 694                 break;
 695         }
 696         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 697                 disable = true;
 698
 699         if (disable)
 700                 flag.disabled(true);
 701
 702         // A few general toggles
 703         switch (ev.action) {
 704         case LFUN_TOOLTIPS_TOGGLE:
 705                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 706                 break;
 707
 708         case LFUN_READ_ONLY_TOGGLE:
 709                 flag.setOnOff(buf->isReadonly());
 710                 break;
 711         case LFUN_APPENDIX:
 712                 flag.setOnOff(cur.inTexted()
 713                         && cur.paragraph().params().startOfAppendix());
 714                 break;
 715         case LFUN_SWITCHBUFFER:
 716                 // toggle on the current buffer, but do not toggle off
 717                 // the other ones (is that a good idea?)
 718                 if (ev.argument == buf->fileName())
 719                         flag.setOnOff(true);
 720                 break;
 721         case LFUN_TRACK_CHANGES:
 722                 flag.setOnOff(buf->params().tracking_changes);
 723                 break;
 724         default:
 725                 break;
 726         }
 727
 728 #ifdef LOCK
 729         // the font related toggles
 730         if (cur.inTexted()) {
 731                 LyXFont const & font = cur.text()->real_current_font;
 732                 switch (ev.action) {
 733                 case LFUN_EMPH:
 734                         flag.setOnOff(font.emph() == LyXFont::ON);
 735                         break;
 736                 case LFUN_NOUN:
 737                         flag.setOnOff(font.noun() == LyXFont::ON);
 738                         break;
 739                 case LFUN_BOLD:
 740                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 741                         break;
 742                 case LFUN_SANS:
 743                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 744                         break;
 745                 case LFUN_ROMAN:
 746                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 747                         break;
 748                 case LFUN_CODE:
 749                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 750                         break;
 751                 default:
 752                         break;
 753                 }
 754         } else {
 755                 string tc = mathcursor::getLastCode();
 756                 switch (ev.action) {
 757                 case LFUN_BOLD:
 758                         flag.setOnOff(tc == "mathbf");
 759                         break;
 760                 case LFUN_SANS:
 761                         flag.setOnOff(tc == "mathsf");
 762                         break;
 763                 case LFUN_EMPH:
 764                         flag.setOnOff(tc == "mathcal");
 765                         break;
 766                 case LFUN_ROMAN:
 767                         flag.setOnOff(tc == "mathrm");
 768                         break;
 769                 case LFUN_CODE:
 770                         flag.setOnOff(tc == "mathtt");
 771                         break;
 772                 case LFUN_NOUN:
 773                         flag.setOnOff(tc == "mathbb");
 774                         break;
 775                 case LFUN_DEFAULT:
 776                         flag.setOnOff(tc == "mathnormal");
 777                         break;
 778                 default:
 779                         break;
 780                 }
 781         }
 782 #endif
 783
 784         // this one is difficult to get right. As a half-baked
 785         // solution, we consider only the first action of the sequence
 786         if (ev.action == LFUN_SEQUENCE) {
 787                 // argument contains ';'-terminated commands
 788 #warning LyXAction arguments not handled here.
 789                 flag = getStatus(FuncRequest(lyxaction.lookupFunc(token(ev.argument, ';', 0))));
 790         }
 791
 792         return flag;
 793 }
 794
 795
 796 namespace {
 797
 798 bool ensureBufferClean(BufferView * bv)
 799 {
 800         Buffer & buf = *bv->buffer();
 801         if (buf.isClean())
 802                 return true;
 803
 804         string const file = MakeDisplayPath(buf.fileName(), 30);
 805         string text = bformat(_("The document %1$s has unsaved "
 806                                 "changes.\n\nDo you want to save "
 807                                 "the document?"), file);
 808         int const ret = Alert::prompt(_("Save changed document?"),
 809                                       text, 0, 1, _("&Save"),
 810                                       _("&Cancel"));
 811
 812         if (ret == 0)
 813                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 814
 815         return buf.isClean();
 816 }
 817
 818 } //namespace anon
 819
 820
 821 void LyXFunc::dispatch(FuncRequest const & cmd, bool verbose)
 822 {
 823         string argument = cmd.argument;
 824         kb_action action = cmd.action;
 825
 826         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: cmd: " << cmd << endl;
 827         //lyxerr << "*** LyXFunc::dispatch: cmd: " << cmd << endl;
 828
 829         // we have not done anything wrong yet.
 830         errorstat = false;
 831         dispatch_buffer.erase();
 832         selection_possible = false;
 833
 834         // We cannot use this function here
 835         if (getStatus(cmd).disabled()) {
 836                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 837                        << lyxaction.getActionName(action)
 838                        << " [" << action << "] is disabled at this location"
 839                        << endl;
 840                 setErrorMessage(getStatusMessage());
 841
 842         } else {
 843
 844                 if (view()->available())
 845                         view()->hideCursor();
 846
 847                 switch (action) {
 848
 849                 case LFUN_ESCAPE: {
 850                         if (!view()->available())
 851                                 break;
 852                         view()->cursor().pop();
 853                         // Tell the paragraph dialog that we changed paragraph
 854                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 855                         break;
 856                 }
 857
 858                 case LFUN_WORDFINDFORWARD:
 859                 case LFUN_WORDFINDBACKWARD: {
 860                         static string last_search;
 861                         string searched_string;
 862
 863                         if (!argument.empty()) {
 864                                 last_search = argument;
 865                                 searched_string = argument;
 866                         } else
 867                                 searched_string = last_search;
 868
 869                         if (searched_string.empty())
 870                                 break;
 871
 872                         bool const fw = action == LFUN_WORDFINDFORWARD;
 873                         string const data =
 874                                 lyx::find::find2string(searched_string, true, false, fw);
 875                         view()->dispatch(FuncRequest(LFUN_WORD_FIND, data));
 876                         break;
 877                 }
 878
 879                 case LFUN_PREFIX:
 880                         owner->message(keyseq.printOptions());
 881                         break;
 882
 883                 case LFUN_EXEC_COMMAND:
 884                         owner->focus_command_buffer();
 885                         break;
 886
 887                 case LFUN_CANCEL:
 888                         keyseq.reset();
 889                         meta_fake_bit = key_modifier::none;
 890                         if (view()->available())
 891                                 // cancel any selection
 892                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 893                         setMessage(N_("Cancel"));
 894                         break;
 895
 896                 case LFUN_META_FAKE:
 897                         meta_fake_bit = key_modifier::alt;
 898                         setMessage(keyseq.print());
 899                         break;
 900
 901                 case LFUN_READ_ONLY_TOGGLE:
 902                         if (owner->buffer()->lyxvc().inUse())
 903                                 owner->buffer()->lyxvc().toggleReadOnly();
 904                         else
 905                                 owner->buffer()->setReadonly(
 906                                         !owner->buffer()->isReadonly());
 907                         break;
 908
 909                 case LFUN_CENTER: // this is center and redraw.
 910                         view()->center();
 911                         break;
 912
 913                 // --- Menus -----------------------------------------------
 914                 case LFUN_MENUNEW:
 915                         menuNew(argument, false);
 916                         break;
 917
 918                 case LFUN_MENUNEWTMPLT:
 919                         menuNew(argument, true);
 920                         break;
 921
 922                 case LFUN_CLOSEBUFFER:
 923                         closeBuffer();
 924                         break;
 925
 926                 case LFUN_MENUWRITE:
 927                         if (!owner->buffer()->isUnnamed()) {
 928                                 string const str = bformat(_("Saving document %1$s..."),
 929                                          MakeDisplayPath(owner->buffer()->fileName()));
 930                                 owner->message(str);
 931                                 MenuWrite(owner->buffer());
 932                                 owner->message(str + _(" done."));
 933                         } else
 934                                 WriteAs(owner->buffer());
 935                         break;
 936
 937                 case LFUN_WRITEAS:
 938                         WriteAs(owner->buffer(), argument);
 939                         break;
 940
 941                 case LFUN_MENURELOAD: {
 942                         string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
 943                         string text = bformat(_("Any changes will be lost. Are you sure "
 944                                 "you want to revert to the saved version of the document %1$s?"), file);
 945                         int const ret = Alert::prompt(_("Revert to saved document?"),
 946                                 text, 0, 1, _("&Revert"), _("&Cancel"));
 947
 948                         if (ret == 0)
 949                                 view()->reload();
 950                         break;
 951                 }
 952
 953                 case LFUN_UPDATE:
 954                         Exporter::Export(owner->buffer(), argument, true);
 955                         view()->showErrorList(BufferFormat(*owner->buffer()));
 956                         break;
 957
 958                 case LFUN_PREVIEW:
 959                         Exporter::Preview(owner->buffer(), argument);
 960                         view()->showErrorList(BufferFormat(*owner->buffer()));
 961                         break;
 962
 963                 case LFUN_BUILDPROG:
 964                         Exporter::Export(owner->buffer(), "program", true);
 965                         view()->showErrorList(_("Build"));
 966                         break;
 967
 968                 case LFUN_RUNCHKTEX:
 969                         owner->buffer()->runChktex();
 970                         view()->showErrorList(_("ChkTeX"));
 971                         break;
 972
 973                 case LFUN_EXPORT:
 974                         if (argument == "custom")
 975                                 owner->getDialogs().showSendto();
 976                         else {
 977                                 Exporter::Export(owner->buffer(), argument, false);
 978                                 view()->showErrorList(BufferFormat(*owner->buffer()));
 979                         }
 980                         break;
 981
 982                 case LFUN_IMPORT:
 983                         doImport(argument);
 984                         break;
 985
 986                 case LFUN_QUIT:
 987                         QuitLyX();
 988                         break;
 989
 990                 case LFUN_TOCVIEW: {
 991                         InsetCommandParams p("tableofcontents");
 992                         string const data = InsetCommandMailer::params2string("toc", p);
 993                         owner->getDialogs().show("toc", data, 0);
 994                         break;
 995                 }
 996
 997                 case LFUN_AUTOSAVE:
 998                         AutoSave(view());
 999                         break;
1000
1001                 case LFUN_UNDO:
1002                         view()->undo();
1003                         break;
1004
1005                 case LFUN_REDO:
1006                         view()->redo();
1007                         break;
1008
1009                 case LFUN_RECONFIGURE:
1010                         Reconfigure(view());
1011                         break;
1012
1013                 case LFUN_HELP_OPEN: {
1014                         string const arg = argument;
1015                         if (arg.empty()) {
1016                                 setErrorMessage(N_("Missing argument"));
1017                                 break;
1018                         }
1019                         string const fname = i18nLibFileSearch("doc", arg, "lyx");
1020                         if (fname.empty()) {
1021                                 lyxerr << "LyX: unable to find documentation file `"
1022                                                          << arg << "'. Bad installation?" << endl;
1023                                 break;
1024                         }
1025                         owner->message(bformat(_("Opening help file %1$s..."),
1026                                 MakeDisplayPath(fname)));
1027                         view()->loadLyXFile(fname, false);
1028                         break;
1029                 }
1030
1031                 // --- version control -------------------------------
1032                 case LFUN_VC_REGISTER:
1033                         if (!ensureBufferClean(view()))
1034                                 break;
1035                         if (!owner->buffer()->lyxvc().inUse()) {
1036                                 owner->buffer()->lyxvc().registrer();
1037                                 view()->reload();
1038                         }
1039                         break;
1040
1041                 case LFUN_VC_CHECKIN:
1042                         if (!ensureBufferClean(view()))
1043                                 break;
1044                         if (owner->buffer()->lyxvc().inUse()
1045                                         && !owner->buffer()->isReadonly()) {
1046                                 owner->buffer()->lyxvc().checkIn();
1047                                 view()->reload();
1048                         }
1049                         break;
1050
1051                 case LFUN_VC_CHECKOUT:
1052                         if (!ensureBufferClean(view()))
1053                                 break;
1054                         if (owner->buffer()->lyxvc().inUse()
1055                                         && owner->buffer()->isReadonly()) {
1056                                 owner->buffer()->lyxvc().checkOut();
1057                                 view()->reload();
1058                         }
1059                         break;
1060
1061                 case LFUN_VC_REVERT:
1062                         owner->buffer()->lyxvc().revert();
1063                         view()->reload();
1064                         break;
1065
1066                 case LFUN_VC_UNDO:
1067                         owner->buffer()->lyxvc().undoLast();
1068                         view()->reload();
1069                         break;
1070
1071                 // --- buffers ----------------------------------------
1072                 case LFUN_SWITCHBUFFER:
1073                         view()->buffer(bufferlist.getBuffer(argument));
1074                         break;
1075
1076                 case LFUN_FILE_NEW:
1077                         NewFile(view(), argument);
1078                         break;
1079
1080                 case LFUN_FILE_OPEN:
1081                         open(argument);
1082                         break;
1083
1084                 case LFUN_LAYOUT_TABULAR:
1085                         if (InsetTabular * tab = view()->cursor().innerInsetTabular())
1086                                 tab->openLayoutDialog(view());
1087                         break;
1088
1089                 case LFUN_DROP_LAYOUTS_CHOICE:
1090                         owner->getToolbar().openLayoutList();
1091                         break;
1092
1093                 case LFUN_MENU_OPEN_BY_NAME:
1094                         owner->getMenubar().openByName(argument);
1095                         break;
1096
1097                 // --- lyxserver commands ----------------------------
1098                 case LFUN_GETNAME:
1099                         setMessage(owner->buffer()->fileName());
1100                         lyxerr[Debug::INFO] << "FNAME["
1101                                                          << owner->buffer()->fileName()
1102                                                          << "] " << endl;
1103                         break;
1104
1105                 case LFUN_NOTIFY:
1106                         dispatch_buffer = keyseq.print();
1107                         lyxserver->notifyClient(dispatch_buffer);
1108                         break;
1109
1110                 case LFUN_GOTOFILEROW: {
1111                         string file_name;
1112                         int row;
1113                         istringstream is(argument);
1114                         is >> file_name >> row;
1115                         if (prefixIs(file_name, getTmpDir())) {
1116                                 // Needed by inverse dvi search. If it is a file
1117                                 // in tmpdir, call the apropriated function
1118                                 view()->buffer(bufferlist.getBufferFromTmp(file_name));
1119                         } else {
1120                                 // Must replace extension of the file to be .lyx
1121                                 // and get full path
1122                                 string const s = ChangeExtension(file_name, ".lyx");
1123                                 // Either change buffer or load the file
1124                                 if (bufferlist.exists(s)) {
1125                                         view()->buffer(bufferlist.getBuffer(s));
1126                                 } else {
1127                                         view()->loadLyXFile(s);
1128                                 }
1129                         }
1130
1131                         view()->setCursorFromRow(row);
1132
1133                         view()->center();
1134                         // see BufferView_pimpl::center()
1135                         view()->updateScrollbar();
1136                         break;
1137                 }
1138
1139                 case LFUN_GOTO_PARAGRAPH: {
1140                         istringstream is(argument);
1141                         int id;
1142                         is >> id;
1143                         ParIterator par = owner->buffer()->getParFromID(id);
1144                         if (par == owner->buffer()->par_iterator_end()) {
1145                                 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1146                                                                 << id << ']' << endl;
1147                                 break;
1148                         } else {
1149                                 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1150                                                                 << " found." << endl;
1151                         }
1152
1153                         // Set the cursor
1154                         view()->setCursor(par, 0);
1155
1156                         view()->switchKeyMap();
1157                         owner->view_state_changed();
1158
1159                         view()->center();
1160                         // see BufferView_pimpl::center()
1161                         view()->updateScrollbar();
1162                         break;
1163                 }
1164
1165                 // ---  Mathed stuff. If we are here, there is no locked inset yet.
1166                 case LFUN_MATH_EXTERN:
1167                 case LFUN_MATH_NUMBER:
1168                 case LFUN_MATH_NONUMBER:
1169                 case LFUN_MATH_LIMITS:
1170                         setErrorMessage(N_("This is only allowed in math mode!"));
1171                         break;
1172
1173                 case LFUN_DIALOG_SHOW: {
1174                         string const name = cmd.getArg(0);
1175                         string data = trim(cmd.argument.substr(name.size()));
1176
1177                         if (name == "character") {
1178                                 data = freefont2string();
1179                                 if (!data.empty())
1180                                         owner->getDialogs().show("character", data);
1181                         }
1182                         else if (name == "document")
1183                                 owner->getDialogs().showDocument();
1184                         else if (name == "forks")
1185                                 owner->getDialogs().showForks();
1186                         else if (name == "preamble")
1187                                 owner->getDialogs().showPreamble();
1188                         else if (name == "preferences")
1189                                 owner->getDialogs().showPreferences();
1190                         else if (name == "print")
1191                                 owner->getDialogs().showPrint();
1192                         else if (name == "spellchecker")
1193                                 owner->getDialogs().showSpellchecker();
1194
1195                         else if (name == "latexlog") {
1196                                 pair<Buffer::LogType, string> const logfile =
1197                                         owner->buffer()->getLogName();
1198                                 switch (logfile.first) {
1199                                 case Buffer::latexlog:
1200                                         data = "latex ";
1201                                         break;
1202                                 case Buffer::buildlog:
1203                                         data = "literate ";
1204                                         break;
1205                                 }
1206                                 data += logfile.second;
1207                                 owner->getDialogs().show("log", data);
1208                         }
1209                         else if (name == "vclog") {
1210                                 string const data = "vc " +
1211                                         owner->buffer()->lyxvc().getLogFile();
1212                                 owner->getDialogs().show("log", data);
1213                         }
1214                         else
1215                                 owner->getDialogs().show(name, data);
1216                         break;
1217                 }
1218
1219                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1220                         string const name = cmd.getArg(0);
1221                         string data = trim(cmd.argument.substr(name.size()));
1222                         if (name == "bibitem" ||
1223                             name == "bibtex" ||
1224                             name == "include" ||
1225                             name == "index" ||
1226                             name == "label" ||
1227                             name == "ref" ||
1228                             name == "toc" ||
1229                             name == "url") {
1230                                 InsetCommandParams p(name);
1231                                 data = InsetCommandMailer::params2string(name, p);
1232                         } else if (name == "box") {
1233                                 // \c data == "Boxed" || "Frameless" etc
1234                                 InsetBoxParams p(data);
1235                                 data = InsetBoxMailer::params2string(p);
1236                         } else if (name == "branch") {
1237                                 InsetBranchParams p;
1238                                 data = InsetBranchMailer::params2string(p);
1239                         } else if (name == "citation") {
1240                                 InsetCommandParams p("cite");
1241                                 data = InsetCommandMailer::params2string(name, p);
1242                         } else if (name == "ert") {
1243                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1244                         } else if (name == "external") {
1245                                 InsetExternalParams p;
1246                                 Buffer const & buffer = *owner->buffer();
1247                                 data = InsetExternalMailer::params2string(p, buffer);
1248                         } else if (name == "float") {
1249                                 InsetFloatParams p;
1250                                 data = InsetFloatMailer::params2string(p);
1251                         } else if (name == "graphics") {
1252                                 InsetGraphicsParams p;
1253                                 Buffer const & buffer = *owner->buffer();
1254                                 data = InsetGraphicsMailer::params2string(p, buffer);
1255                         } else if (name == "note") {
1256                                 InsetNoteParams p;
1257                                 data = InsetNoteMailer::params2string(p);
1258                         } else if (name == "vspace") {
1259                                 VSpace space;
1260                                 data = InsetVSpaceMailer::params2string(space);
1261                         } else if (name == "wrap") {
1262                                 InsetWrapParams p;
1263                                 data = InsetWrapMailer::params2string(p);
1264                         }
1265                         owner->getDialogs().show(name, data, 0);
1266                         break;
1267                 }
1268
1269                 case LFUN_DIALOG_SHOW_NEXT_INSET:
1270                         break;
1271
1272                 case LFUN_INSET_DIALOG_SHOW: {
1273                         InsetBase * inset = view()->cursor().nextInset();
1274                         if (inset)
1275                                 inset->dispatch(view()->cursor(), FuncRequest(LFUN_INSET_DIALOG_SHOW));
1276                         break;
1277                 }
1278
1279                 case LFUN_DIALOG_UPDATE: {
1280                         string const & name = argument;
1281                         // Can only update a dialog connected to an existing inset
1282                         InsetBase * inset = owner->getDialogs().getOpenInset(name);
1283                         if (inset) {
1284                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument);
1285                                 inset->dispatch(view()->cursor(), fr);
1286                         } else if (name == "paragraph") {
1287                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1288                         }
1289                         break;
1290                 }
1291
1292                 case LFUN_DIALOG_HIDE:
1293                         Dialogs::hide(argument, 0);
1294                         break;
1295
1296                 case LFUN_DIALOG_DISCONNECT_INSET:
1297                         owner->getDialogs().disconnect(argument);
1298                         break;
1299
1300                 case LFUN_CHILDOPEN: {
1301                         string const filename =
1302                                 MakeAbsPath(argument, owner->buffer()->filePath());
1303                         setMessage(N_("Opening child document ") +
1304                                          MakeDisplayPath(filename) + "...");
1305                         view()->savePosition(0);
1306                         string const parentfilename = owner->buffer()->fileName();
1307                         if (bufferlist.exists(filename))
1308                                 view()->buffer(bufferlist.getBuffer(filename));
1309                         else
1310                                 view()->loadLyXFile(filename);
1311                         // Set the parent name of the child document.
1312                         // This makes insertion of citations and references in the child work,
1313                         // when the target is in the parent or another child document.
1314                         owner->buffer()->setParentName(parentfilename);
1315                         break;
1316                 }
1317
1318                 case LFUN_TOGGLECURSORFOLLOW:
1319                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1320                         break;
1321
1322                 case LFUN_KMAP_OFF:
1323                         owner->getIntl().KeyMapOn(false);
1324                         break;
1325
1326                 case LFUN_KMAP_PRIM:
1327                         owner->getIntl().KeyMapPrim();
1328                         break;
1329
1330                 case LFUN_KMAP_SEC:
1331                         owner->getIntl().KeyMapSec();
1332                         break;
1333
1334                 case LFUN_KMAP_TOGGLE:
1335                         owner->getIntl().ToggleKeyMap();
1336                         break;
1337
1338                 case LFUN_REPEAT: {
1339                         // repeat command
1340                         string countstr;
1341                         argument = split(argument, countstr, ' ');
1342                         istringstream is(countstr);
1343                         int count = 0;
1344                         is >> count;
1345                         lyxerr << "repeat: count: " << count << " cmd: " << argument << endl;
1346                         for (int i = 0; i < count; ++i)
1347                                 dispatch(lyxaction.lookupFunc(argument));
1348                         break;
1349                 }
1350
1351                 case LFUN_SEQUENCE:
1352                         // argument contains ';'-terminated commands
1353                         while (!argument.empty()) {
1354                                 string first;
1355                                 argument = split(argument, first, ';');
1356                                 dispatch(lyxaction.lookupFunc(first));
1357                         }
1358                         break;
1359
1360                 case LFUN_SAVEPREFERENCES: {
1361                         Path p(user_lyxdir());
1362                         lyxrc.write("preferences");
1363                         break;
1364                 }
1365
1366                 case LFUN_SCREEN_FONT_UPDATE:
1367                         // handle the screen font changes.
1368                         lyxrc.set_font_norm_type();
1369                         lyx_gui::update_fonts();
1370                         // All visible buffers will need resize
1371                         view()->resize();
1372                         break;
1373
1374                 case LFUN_SET_COLOR: {
1375                         string lyx_name;
1376                         string const x11_name = split(argument, lyx_name, ' ');
1377                         if (lyx_name.empty() || x11_name.empty()) {
1378                                 setErrorMessage(N_("Syntax: set-color <lyx_name>"
1379                                                         " <x11_name>"));
1380                                 break;
1381                         }
1382
1383                         bool const graphicsbg_changed =
1384                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1385                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1386
1387                         LColor::color col = lcolor.getFromLyXName(lyx_name);
1388                         if (!lcolor.setColor(col, x11_name)) {
1389                                 setErrorMessage(
1390                                         bformat(_("Set-color \"%1$s\" failed "
1391                                                                 "- color is undefined or "
1392                                                                 "may not be redefined"), lyx_name));
1393                                 break;
1394                         }
1395
1396                         lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1397
1398                         if (graphicsbg_changed) {
1399 #ifdef WITH_WARNINGS
1400 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1401 #endif
1402 #if 0
1403                                 lyx::graphics::GCache::get().changeDisplay(true);
1404 #endif
1405                         }
1406                         break;
1407                 }
1408
1409                 case LFUN_MESSAGE:
1410                         owner->message(argument);
1411                         break;
1412
1413                 case LFUN_FORKS_KILL:
1414                         if (isStrInt(argument))
1415                                 ForkedcallsController::get().kill(strToInt(argument));
1416                         break;
1417
1418                 case LFUN_TOOLTIPS_TOGGLE:
1419                         owner->getDialogs().toggleTooltips();
1420                         break;
1421
1422                 case LFUN_EXTERNAL_EDIT:
1423                         InsetExternal().dispatch(view()->cursor(), FuncRequest(action, argument));
1424                         break;
1425
1426                 default:
1427                         DispatchResult res = view()->cursor().dispatch(cmd);
1428                         if (!res.dispatched());
1429                                 view()->dispatch(cmd);
1430                         break;
1431                 }
1432         }
1433
1434         if (!view()->cursor().inMathed())
1435                 view()->owner()->updateLayoutChoice();
1436
1437         if (view()->available()) {
1438                 view()->fitCursor();
1439                 view()->update();
1440                 view()->cursor().updatePos();
1441                 // if we executed a mutating lfun, mark the buffer as dirty
1442                 if (!getStatus(cmd).disabled()
1443                     && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)
1444                     && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly))
1445                         view()->buffer()->markDirty();
1446         }
1447
1448         if (!view()->cursor().inMathed())
1449                 sendDispatchMessage(getMessage(), cmd, verbose);
1450 }
1451
1452
1453 void LyXFunc::sendDispatchMessage(string const & msg,
1454                                   FuncRequest const & cmd, bool verbose)
1455 {
1456         owner->updateMenubar();
1457         owner->updateToolbar();
1458
1459         if (cmd.action == LFUN_SELFINSERT || !verbose) {
1460                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1461                 if (!msg.empty())
1462                         owner->message(msg);
1463                 return;
1464         }
1465
1466         string dispatch_msg = msg;
1467         if (!dispatch_msg.empty())
1468                 dispatch_msg += ' ';
1469
1470         string comname = lyxaction.getActionName(cmd.action);
1471
1472         bool argsadded = false;
1473
1474         if (!cmd.argument.empty()) {
1475                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1476                         comname += ' ' + cmd.argument;
1477                         argsadded = true;
1478                 }
1479         }
1480
1481         string const shortcuts = toplevel_keymap->findbinding(cmd);
1482
1483         if (!shortcuts.empty()) {
1484                 comname += ": " + shortcuts;
1485         } else if (!argsadded && !cmd.argument.empty()) {
1486                 comname += ' ' + cmd.argument;
1487         }
1488
1489         if (!comname.empty()) {
1490                 comname = rtrim(comname);
1491                 dispatch_msg += '(' + comname + ')';
1492         }
1493
1494         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1495         if (!dispatch_msg.empty())
1496                 owner->message(dispatch_msg);
1497 }
1498
1499
1500 void LyXFunc::setupLocalKeymap()
1501 {
1502         keyseq.stdmap = toplevel_keymap.get();
1503         keyseq.curmap = toplevel_keymap.get();
1504         cancel_meta_seq.stdmap = toplevel_keymap.get();
1505         cancel_meta_seq.curmap = toplevel_keymap.get();
1506 }
1507
1508
1509 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1510 {
1511         string initpath = lyxrc.document_path;
1512         string filename(name);
1513
1514         if (view()->available()) {
1515                 string const trypath = owner->buffer()->filePath();
1516                 // If directory is writeable, use this as default.
1517                 if (IsDirWriteable(trypath))
1518                         initpath = trypath;
1519         }
1520
1521         static int newfile_number;
1522
1523         if (filename.empty()) {
1524                 filename = AddName(lyxrc.document_path,
1525                             "newfile" + tostr(++newfile_number) + ".lyx");
1526                 FileInfo fi(filename);
1527                 while (bufferlist.exists(filename) || fi.readable()) {
1528                         ++newfile_number;
1529                         filename = AddName(lyxrc.document_path,
1530                                     "newfile" + tostr(newfile_number) +
1531                                     ".lyx");
1532                         fi.newFile(filename);
1533                 }
1534         }
1535
1536         // The template stuff
1537         string templname;
1538         if (fromTemplate) {
1539                 FileDialog fileDlg(_("Select template file"),
1540                         LFUN_SELECT_FILE_SYNC,
1541                         make_pair(string(_("Documents|#o#O")),
1542                                   string(lyxrc.document_path)),
1543                         make_pair(string(_("Templates|#T#t")),
1544                                   string(lyxrc.template_path)));
1545
1546                 FileDialog::Result result =
1547                         fileDlg.open(lyxrc.template_path,
1548                                      FileFilterList(_("LyX Documents (*.lyx)")),
1549                                      string());
1550
1551                 if (result.first == FileDialog::Later)
1552                         return;
1553                 if (result.second.empty())
1554                         return;
1555                 templname = result.second;
1556         }
1557
1558         view()->newFile(filename, templname, !name.empty());
1559 }
1560
1561
1562 void LyXFunc::open(string const & fname)
1563 {
1564         string initpath = lyxrc.document_path;
1565
1566         if (view()->available()) {
1567                 string const trypath = owner->buffer()->filePath();
1568                 // If directory is writeable, use this as default.
1569                 if (IsDirWriteable(trypath))
1570                         initpath = trypath;
1571         }
1572
1573         string filename;
1574
1575         if (fname.empty()) {
1576                 FileDialog fileDlg(_("Select document to open"),
1577                         LFUN_FILE_OPEN,
1578                         make_pair(string(_("Documents|#o#O")),
1579                                   string(lyxrc.document_path)),
1580                         make_pair(string(_("Examples|#E#e")),
1581                                   string(AddPath(system_lyxdir(), "examples"))));
1582
1583                 FileDialog::Result result =
1584                         fileDlg.open(initpath,
1585                                      FileFilterList(_("LyX Documents (*.lyx)")),
1586                                      string());
1587
1588                 if (result.first == FileDialog::Later)
1589                         return;
1590
1591                 filename = result.second;
1592
1593                 // check selected filename
1594                 if (filename.empty()) {
1595                         owner->message(_("Canceled."));
1596                         return;
1597                 }
1598         } else
1599                 filename = fname;
1600
1601         // get absolute path of file and add ".lyx" to the filename if
1602         // necessary
1603         string const fullpath = FileSearch(string(), filename, "lyx");
1604         if (!fullpath.empty()) {
1605                 filename = fullpath;
1606         }
1607
1608         string const disp_fn(MakeDisplayPath(filename));
1609
1610         // if the file doesn't exist, let the user create one
1611         FileInfo const f(filename, true);
1612         if (!f.exist()) {
1613                 // the user specifically chose this name. Believe them.
1614                 view()->newFile(filename, "", true);
1615                 return;
1616         }
1617
1618         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1619
1620         string str2;
1621         if (view()->loadLyXFile(filename)) {
1622                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1623         } else {
1624                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1625         }
1626         owner->message(str2);
1627 }
1628
1629
1630 void LyXFunc::doImport(string const & argument)
1631 {
1632         string format;
1633         string filename = split(argument, format, ' ');
1634
1635         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1636                             << " file: " << filename << endl;
1637
1638         // need user interaction
1639         if (filename.empty()) {
1640                 string initpath = lyxrc.document_path;
1641
1642                 if (view()->available()) {
1643                         string const trypath = owner->buffer()->filePath();
1644                         // If directory is writeable, use this as default.
1645                         if (IsDirWriteable(trypath))
1646                                 initpath = trypath;
1647                 }
1648
1649                 string const text = bformat(_("Select %1$s file to import"),
1650                         formats.prettyName(format));
1651
1652                 FileDialog fileDlg(text,
1653                         LFUN_IMPORT,
1654                         make_pair(string(_("Documents|#o#O")),
1655                                   string(lyxrc.document_path)),
1656                         make_pair(string(_("Examples|#E#e")),
1657                                   string(AddPath(system_lyxdir(), "examples"))));
1658
1659                 string const filter = formats.prettyName(format)
1660                         + " (*." + formats.extension(format) + ')';
1661
1662                 FileDialog::Result result =
1663                         fileDlg.open(initpath,
1664                                      FileFilterList(filter),
1665                                      string());
1666
1667                 if (result.first == FileDialog::Later)
1668                         return;
1669
1670                 filename = result.second;
1671
1672                 // check selected filename
1673                 if (filename.empty())
1674                         owner->message(_("Canceled."));
1675         }
1676
1677         if (filename.empty())
1678                 return;
1679
1680         // get absolute path of file
1681         filename = MakeAbsPath(filename);
1682
1683         string const lyxfile = ChangeExtension(filename, ".lyx");
1684
1685         // Check if the document already is open
1686         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1687                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1688                         owner->message(_("Canceled."));
1689                         return;
1690                 }
1691         }
1692
1693         // if the file exists already, and we didn't do
1694         // -i lyx thefile.lyx, warn
1695         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1696                 string const file = MakeDisplayPath(lyxfile, 30);
1697
1698                 string text = bformat(_("The document %1$s already exists.\n\n"
1699                         "Do you want to over-write that document?"), file);
1700                 int const ret = Alert::prompt(_("Over-write document?"),
1701                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1702
1703                 if (ret == 1) {
1704                         owner->message(_("Canceled."));
1705                         return;
1706                 }
1707         }
1708
1709         Importer::Import(owner, filename, format);
1710 }
1711
1712
1713 void LyXFunc::closeBuffer()
1714 {
1715         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1716                 if (bufferlist.empty()) {
1717                         // need this otherwise SEGV may occur while
1718                         // trying to set variables that don't exist
1719                         // since there's no current buffer
1720                         owner->getDialogs().hideBufferDependent();
1721                 } else {
1722                         view()->buffer(bufferlist.first());
1723                 }
1724         }
1725 }
1726
1727
1728 // Each "owner" should have it's own message method. lyxview and
1729 // the minibuffer would use the minibuffer, but lyxserver would
1730 // send an ERROR signal to its client.  Alejandro 970603
1731 // This function is bit problematic when it comes to NLS, to make the
1732 // lyx servers client be language indepenent we must not translate
1733 // strings sent to this func.
1734 void LyXFunc::setErrorMessage(string const & m) const
1735 {
1736         dispatch_buffer = m;
1737         errorstat = true;
1738 }
1739
1740
1741 void LyXFunc::setMessage(string const & m) const
1742 {
1743         dispatch_buffer = m;
1744 }
1745
1746
1747 void LyXFunc::setStatusMessage(string const & m) const
1748 {
1749         status_buffer = m;
1750 }
1751
1752
1753 string const LyXFunc::view_status_message()
1754 {
1755         // When meta-fake key is pressed, show the key sequence so far + "M-".
1756         if (wasMetaKey()) {
1757                 return keyseq.print() + "M-";
1758         }
1759
1760         // Else, when a non-complete key sequence is pressed,
1761         // show the available options.
1762         if (keyseq.length() > 0 && !keyseq.deleted()) {
1763                 return keyseq.printOptions();
1764         }
1765
1766         if (!view()->available())
1767                 return _("Welcome to LyX!");
1768
1769         return currentState(view());
1770 }
1771
1772
1773 BufferView * LyXFunc::view() const
1774 {
1775         BOOST_ASSERT(owner);
1776         return owner->view().get();
1777 }
1778
1779
1780 bool LyXFunc::wasMetaKey() const
1781 {
1782         return (meta_fake_bit != key_modifier::none);
1783 }