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