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 "insetiterator.h"
  40 #include "intl.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 "pariterator.h"
  52 #include "ParagraphParameters.h"
  53 #include "undo.h"
  54
  55 #include "insets/insetbox.h"
  56 #include "insets/insetbranch.h"
  57 #include "insets/insetcommand.h"
  58 #include "insets/insetert.h"
  59 #include "insets/insetexternal.h"
  60 #include "insets/insetfloat.h"
  61 #include "insets/insetgraphics.h"
  62 #include "insets/insetnote.h"
  63 #include "insets/insettabular.h"
  64 #include "insets/insetvspace.h"
  65 #include "insets/insetwrap.h"
  66
  67 #include "frontends/Alert.h"
  68 #include "frontends/Dialogs.h"
  69 #include "frontends/FileDialog.h"
  70 #include "frontends/lyx_gui.h"
  71 #include "frontends/LyXKeySym.h"
  72 #include "frontends/LyXView.h"
  73 #include "frontends/Menubar.h"
  74 #include "frontends/Toolbar.h"
  75
  76 #include "support/FileInfo.h"
  77 #include "support/filetools.h"
  78 #include "support/forkedcontr.h"
  79 #include "support/globbing.h"
  80 #include "support/lstrings.h"
  81 #include "support/path.h"
  82 #include "support/path_defines.h"
  83 #include "support/systemcall.h"
  84 #include "support/tostr.h"
  85 #include "support/std_sstream.h"
  86 #include "support/os.h"
  87
  88 using bv_funcs::freefont2string;
  89
  90 using lyx::support::AddName;
  91 using lyx::support::AddPath;
  92 using lyx::support::bformat;
  93 using lyx::support::ChangeExtension;
  94 using lyx::support::contains;
  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::QuoteName;
 107 using lyx::support::rtrim;
 108 using lyx::support::split;
 109 using lyx::support::strToInt;
 110 using lyx::support::strToUnsignedInt;
 111 using lyx::support::subst;
 112 using lyx::support::system_lyxdir;
 113 using lyx::support::Systemcall;
 114 using lyx::support::token;
 115 using lyx::support::trim;
 116 using lyx::support::user_lyxdir;
 117 using lyx::support::prefixIs;
 118 using lyx::support::os::getTmpDir;
 119
 120 using std::endl;
 121 using std::make_pair;
 122 using std::pair;
 123 using std::string;
 124 using std::istringstream;
 125
 126
 127 extern BufferList bufferlist;
 128 extern LyXServer * lyxserver;
 129 extern bool selection_possible;
 130
 131 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 132
 133 // (alkis)
 134 extern tex_accent_struct get_accent(kb_action action);
 135
 136
 137 LyXFunc::LyXFunc(LyXView * lv)
 138         : owner(lv),
 139         encoded_last_key(0),
 140         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 141         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 142         meta_fake_bit(key_modifier::none)
 143 {
 144 }
 145
 146
 147 void LyXFunc::handleKeyFunc(kb_action action)
 148 {
 149         char c = encoded_last_key;
 150
 151         if (keyseq.length()) {
 152                 c = 0;
 153         }
 154
 155         owner->getIntl().getTransManager()
 156                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 157         // Need to clear, in case the minibuffer calls these
 158         // actions
 159         keyseq.clear();
 160         // copied verbatim from do_accent_char
 161         view()->cursor().resetAnchor();
 162         view()->update();
 163 }
 164
 165
 166 void LyXFunc::processKeySym(LyXKeySymPtr keysym, key_modifier::state state)
 167 {
 168         lyxerr[Debug::KEY] << "KeySym is " << keysym->getSymbolName() << endl;
 169
 170         // Do nothing if we have nothing (JMarc)
 171         if (!keysym->isOK()) {
 172                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 173                                    << endl;
 174                 return;
 175         }
 176
 177         if (keysym->isModifier()) {
 178                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 179                 return;
 180         }
 181
 182         Encoding const * encoding = view()->cursor().getEncoding();
 183
 184         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 185
 186         // Do a one-deep top-level lookup for
 187         // cancel and meta-fake keys. RVDK_PATCH_5
 188         cancel_meta_seq.reset();
 189
 190         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 191         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 192
 193         // When not cancel or meta-fake, do the normal lookup.
 194         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 195         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 196         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 197                 // remove Caps Lock and Mod2 as a modifiers
 198                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 199                 lyxerr[Debug::KEY] << "action now set to ["
 200                         << func.action << ']' << endl;
 201         }
 202
 203         // Dont remove this unless you know what you are doing.
 204         meta_fake_bit = key_modifier::none;
 205
 206         // can this happen now ?
 207         if (func.action == LFUN_NOACTION) {
 208                 func = FuncRequest(LFUN_PREFIX);
 209         }
 210
 211         if (lyxerr.debugging(Debug::KEY)) {
 212                 lyxerr << "Key [action="
 213                        << func.action << "]["
 214                        << keyseq.print() << ']'
 215                        << endl;
 216         }
 217
 218         // already here we know if it any point in going further
 219         // why not return already here if action == -1 and
 220         // num_bytes == 0? (Lgb)
 221
 222         if (keyseq.length() > 1) {
 223                 owner->message(keyseq.print());
 224         }
 225
 226
 227         // Maybe user can only reach the key via holding down shift.
 228         // Let's see. But only if shift is the only modifier
 229         if (func.action == LFUN_UNKNOWN_ACTION &&
 230             state == key_modifier::shift) {
 231                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 232                 func = keyseq.addkey(keysym, key_modifier::none);
 233                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 234         }
 235
 236         if (func.action == LFUN_UNKNOWN_ACTION) {
 237                 // Hmm, we didn't match any of the keysequences. See
 238                 // if it's normal insertable text not already covered
 239                 // by a binding
 240                 if (keysym->isText() && keyseq.length() == 1) {
 241                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 242                         func = FuncRequest(LFUN_SELFINSERT);
 243                 } else {
 244                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 245                         owner->message(_("Unknown function."));
 246                         return;
 247                 }
 248         }
 249
 250         if (func.action == LFUN_SELFINSERT) {
 251                 if (encoded_last_key != 0) {
 252                         string arg(1, encoded_last_key);
 253                         dispatch(FuncRequest(LFUN_SELFINSERT, arg));
 254                         lyxerr[Debug::KEY]
 255                                 << "SelfInsert arg[`" << arg << "']" << endl;
 256                 }
 257         } else {
 258                 dispatch(func);
 259         }
 260 }
 261
 262
 263 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 264 {
 265         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
 266         FuncStatus flag;
 267         Buffer * buf = owner->buffer();
 268         LCursor & cur = view()->cursor();
 269
 270         if (cmd.action == LFUN_NOACTION) {
 271                 setStatusMessage(N_("Nothing to do"));
 272                 flag.enabled(false);
 273                 return flag;
 274         }
 275
 276         switch (cmd.action) {
 277         case LFUN_UNKNOWN_ACTION:
 278 #ifndef HAVE_LIBAIKSAURUS
 279         case LFUN_THESAURUS_ENTRY:
 280 #endif
 281                 flag.unknown(true);
 282                 flag.enabled(false);
 283                 break;
 284         default:
 285                 flag |= lyx_gui::getStatus(cmd);
 286         }
 287
 288         if (flag.unknown()) {
 289                 setStatusMessage(N_("Unknown action"));
 290                 return flag;
 291         }
 292
 293         // the default error message if we disable the command
 294         setStatusMessage(N_("Command disabled"));
 295
 296         // Check whether we need a buffer
 297         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 298                 // no, exit directly
 299                 setStatusMessage(N_("Command not allowed with"
 300                                     "out any document open"));
 301                 flag.enabled(false);
 302                 return flag;
 303         }
 304
 305         // I would really like to avoid having this switch and rather try to
 306         // encode this in the function itself.
 307         // -- And I'd rather let an inset decide which LFUNs it is willing
 308         // to handle (Andre')
 309         bool enable = true;
 310         switch (cmd.action) {
 311         case LFUN_TOOLTIPS_TOGGLE:
 312                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 313                 break;
 314
 315         case LFUN_READ_ONLY_TOGGLE:
 316                 flag.setOnOff(buf->isReadonly());
 317                 break;
 318
 319         case LFUN_SWITCHBUFFER:
 320                 // toggle on the current buffer, but do not toggle off
 321                 // the other ones (is that a good idea?)
 322                 if (cmd.argument == buf->fileName())
 323                         flag.setOnOff(true);
 324                 break;
 325
 326         case LFUN_TRACK_CHANGES:
 327                 flag.setOnOff(buf->params().tracking_changes);
 328                 break;
 329
 330         case LFUN_EXPORT:
 331                 enable = cmd.argument == "custom"
 332                         || Exporter::IsExportable(*buf, cmd.argument);
 333                 break;
 334         case LFUN_UNDO:
 335                 enable = !buf->undostack().empty();
 336                 break;
 337         case LFUN_REDO:
 338                 enable = !buf->redostack().empty();
 339                 break;
 340         case LFUN_CUT:
 341         case LFUN_COPY:
 342                 enable = cur.selection();
 343                 break;
 344
 345         case LFUN_RUNCHKTEX:
 346                 enable = buf->isLatex() && lyxrc.chktex_command != "none";
 347                 break;
 348
 349         case LFUN_BUILDPROG:
 350                 enable = Exporter::IsExportable(*buf, "program");
 351                 break;
 352
 353         case LFUN_LAYOUT_TABULAR:
 354                 enable = cur.innerInsetOfType(InsetBase::TABULAR_CODE);
 355                 break;
 356
 357         case LFUN_LAYOUT:
 358         case LFUN_LAYOUT_PARAGRAPH:
 359                 enable = !cur.inset().forceDefaultParagraphs(&cur.inset());
 360                 break;
 361
 362         case LFUN_VC_REGISTER:
 363                 enable = !buf->lyxvc().inUse();
 364                 break;
 365         case LFUN_VC_CHECKIN:
 366                 enable = buf->lyxvc().inUse() && !buf->isReadonly();
 367                 break;
 368         case LFUN_VC_CHECKOUT:
 369                 enable = buf->lyxvc().inUse() && buf->isReadonly();
 370                 break;
 371         case LFUN_VC_REVERT:
 372         case LFUN_VC_UNDO:
 373                 enable = buf->lyxvc().inUse();
 374                 break;
 375         case LFUN_MENURELOAD:
 376                 enable = !buf->isUnnamed() && !buf->isClean();
 377                 break;
 378         case LFUN_BOOKMARK_GOTO:
 379                 enable = view()->isSavedPosition(strToUnsignedInt(cmd.argument));
 380                 break;
 381
 382         case LFUN_MERGE_CHANGES:
 383         case LFUN_ACCEPT_CHANGE:
 384         case LFUN_REJECT_CHANGE:
 385         case LFUN_ACCEPT_ALL_CHANGES:
 386         case LFUN_REJECT_ALL_CHANGES:
 387                 enable = buf && buf->params().tracking_changes;
 388                 break;
 389
 390         case LFUN_INSET_SETTINGS: {
 391                 enable = false;
 392                 if (!cur.size())
 393                         break;
 394                 UpdatableInset * inset = cur.inset().asUpdatableInset();
 395                 lyxerr << "inset: " << inset << endl;
 396                 if (!inset)
 397                         break;
 398
 399                 InsetOld::Code code = inset->lyxCode();
 400                 switch (code) {
 401                         case InsetOld::TABULAR_CODE:
 402                                 enable = cmd.argument == "tabular";
 403                                 break;
 404                         case InsetOld::ERT_CODE:
 405                                 enable = cmd.argument == "ert";
 406                                 break;
 407                         case InsetOld::FLOAT_CODE:
 408                                 enable = cmd.argument == "float";
 409                                 break;
 410                         case InsetOld::WRAP_CODE:
 411                                 enable = cmd.argument == "wrap";
 412                                 break;
 413                         case InsetOld::NOTE_CODE:
 414                                 enable = cmd.argument == "note";
 415                                 break;
 416                         case InsetOld::BRANCH_CODE:
 417                                 enable = cmd.argument == "branch";
 418                                 break;
 419                         case InsetOld::BOX_CODE:
 420                                 enable = cmd.argument == "box";
 421                                 break;
 422                         default:
 423                                 break;
 424                 }
 425                 break;
 426         }
 427
 428         case LFUN_DIALOG_SHOW: {
 429                 string const name = cmd.getArg(0);
 430                 if (!buf)
 431                         enable = name == "aboutlyx"
 432                                 || name == "file"
 433                                 || name == "forks"
 434                                 || name == "preferences"
 435                                 || name == "texinfo";
 436                 else if (name == "print")
 437                         enable = Exporter::IsExportable(*buf, "dvi")
 438                                 && lyxrc.print_command != "none";
 439                 else if (name == "character")
 440                         enable = cur.inset().lyxCode() != InsetOld::ERT_CODE;
 441                 else if (name == "vclog")
 442                         enable = buf->lyxvc().inUse();
 443                 else if (name == "latexlog")
 444                         enable = IsFileReadable(buf->getLogName().second);
 445                 break;
 446         }
 447
 448         case LFUN_MENUNEW:
 449         case LFUN_MENUNEWTMPLT:
 450         case LFUN_WORDFINDFORWARD:
 451         case LFUN_WORDFINDBACKWARD:
 452         case LFUN_PREFIX:
 453         case LFUN_EXEC_COMMAND:
 454         case LFUN_CANCEL:
 455         case LFUN_META_FAKE:
 456         case LFUN_CLOSEBUFFER:
 457         case LFUN_MENUWRITE:
 458         case LFUN_WRITEAS:
 459         case LFUN_UPDATE:
 460         case LFUN_PREVIEW:
 461         case LFUN_IMPORT:
 462         case LFUN_QUIT:
 463         case LFUN_TOCVIEW:
 464         case LFUN_AUTOSAVE:
 465         case LFUN_RECONFIGURE:
 466         case LFUN_HELP_OPEN:
 467         case LFUN_FILE_NEW:
 468         case LFUN_FILE_OPEN:
 469         case LFUN_DROP_LAYOUTS_CHOICE:
 470         case LFUN_MENU_OPEN_BY_NAME:
 471         case LFUN_GETNAME:
 472         case LFUN_NOTIFY:
 473         case LFUN_GOTOFILEROW:
 474         case LFUN_GOTO_PARAGRAPH:
 475         case LFUN_DIALOG_SHOW_NEW_INSET:
 476         case LFUN_DIALOG_SHOW_NEXT_INSET:
 477         case LFUN_DIALOG_UPDATE:
 478         case LFUN_DIALOG_HIDE:
 479         case LFUN_DIALOG_DISCONNECT_INSET:
 480         case LFUN_CHILDOPEN:
 481         case LFUN_TOGGLECURSORFOLLOW:
 482         case LFUN_KMAP_OFF:
 483         case LFUN_KMAP_PRIM:
 484         case LFUN_KMAP_SEC:
 485         case LFUN_KMAP_TOGGLE:
 486         case LFUN_REPEAT:
 487         case LFUN_EXPORT_CUSTOM:
 488         case LFUN_PRINT:
 489         case LFUN_SEQUENCE:
 490         case LFUN_SAVEPREFERENCES:
 491         case LFUN_SCREEN_FONT_UPDATE:
 492         case LFUN_SET_COLOR:
 493         case LFUN_MESSAGE:
 494         case LFUN_EXTERNAL_EDIT:
 495         case LFUN_FILE_INSERT:
 496         case LFUN_FILE_INSERT_ASCII:
 497         case LFUN_FILE_INSERT_ASCII_PARA:
 498         case LFUN_ALL_INSETS_TOGGLE:
 499                 // these are handled in our dispatch()
 500                 break;
 501
 502         default:
 503                 cur.getStatus(cmd, flag);
 504         }
 505
 506         if (!enable)
 507                 flag.enabled(false);
 508
 509         // Can we use a readonly buffer?
 510         if (buf && buf->isReadonly()
 511             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 512             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 513                 setStatusMessage(N_("Document is read-only"));
 514                 flag.enabled(false);
 515         }
 516
 517         return flag;
 518 }
 519
 520
 521 namespace {
 522
 523 bool ensureBufferClean(BufferView * bv)
 524 {
 525         Buffer & buf = *bv->buffer();
 526         if (buf.isClean())
 527                 return true;
 528
 529         string const file = MakeDisplayPath(buf.fileName(), 30);
 530         string text = bformat(_("The document %1$s has unsaved "
 531                                 "changes.\n\nDo you want to save "
 532                                 "the document?"), file);
 533         int const ret = Alert::prompt(_("Save changed document?"),
 534                                       text, 0, 1, _("&Save"),
 535                                       _("&Cancel"));
 536
 537         if (ret == 0)
 538                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 539
 540         return buf.isClean();
 541 }
 542
 543 void showPrintError(string const & name)
 544 {
 545                 string str = bformat(_("Could not print the document %1$s.\n"
 546                         "Check that your printer is set up correctly."),
 547                         MakeDisplayPath(name, 50));
 548                 Alert::error(_("Print document failed"), str);
 549 }
 550
 551 } //namespace anon
 552
 553
 554 void LyXFunc::dispatch(FuncRequest const & cmd, bool verbose)
 555 {
 556         string const argument = cmd.argument;
 557         kb_action const action = cmd.action;
 558
 559         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: cmd: " << cmd << endl;
 560         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 561
 562         // we have not done anything wrong yet.
 563         errorstat = false;
 564         dispatch_buffer.erase();
 565         selection_possible = false;
 566
 567         // We cannot use this function here
 568         if (!getStatus(cmd).enabled()) {
 569                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 570                        << lyxaction.getActionName(action)
 571                        << " [" << action << "] is disabled at this location"
 572                        << endl;
 573                 setErrorMessage(getStatusMessage());
 574
 575         } else {
 576
 577                 if (view()->available())
 578                         view()->hideCursor();
 579
 580                 switch (action) {
 581
 582                 case LFUN_WORDFINDFORWARD:
 583                 case LFUN_WORDFINDBACKWARD: {
 584                         static string last_search;
 585                         string searched_string;
 586
 587                         if (!argument.empty()) {
 588                                 last_search = argument;
 589                                 searched_string = argument;
 590                         } else {
 591                                 searched_string = last_search;
 592                         }
 593
 594                         if (searched_string.empty())
 595                                 break;
 596
 597                         bool const fw = action == LFUN_WORDFINDFORWARD;
 598                         string const data =
 599                                 lyx::find::find2string(searched_string, true, false, fw);
 600                         lyx::find::find(view(), FuncRequest(LFUN_WORD_FIND, data));
 601                         break;
 602                 }
 603
 604                 case LFUN_PREFIX:
 605                         owner->message(keyseq.printOptions());
 606                         break;
 607
 608                 case LFUN_EXEC_COMMAND:
 609                         owner->focus_command_buffer();
 610                         break;
 611
 612                 case LFUN_CANCEL:
 613                         keyseq.reset();
 614                         meta_fake_bit = key_modifier::none;
 615                         if (view()->available())
 616                                 // cancel any selection
 617                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 618                         setMessage(N_("Cancel"));
 619                         break;
 620
 621                 case LFUN_META_FAKE:
 622                         meta_fake_bit = key_modifier::alt;
 623                         setMessage(keyseq.print());
 624                         break;
 625
 626                 case LFUN_READ_ONLY_TOGGLE:
 627                         if (owner->buffer()->lyxvc().inUse())
 628                                 owner->buffer()->lyxvc().toggleReadOnly();
 629                         else
 630                                 owner->buffer()->setReadonly(
 631                                         !owner->buffer()->isReadonly());
 632                         break;
 633
 634                 // --- Menus -----------------------------------------------
 635                 case LFUN_MENUNEW:
 636                         menuNew(argument, false);
 637                         break;
 638
 639                 case LFUN_MENUNEWTMPLT:
 640                         menuNew(argument, true);
 641                         break;
 642
 643                 case LFUN_CLOSEBUFFER:
 644                         closeBuffer();
 645                         break;
 646
 647                 case LFUN_MENUWRITE:
 648                         if (!owner->buffer()->isUnnamed()) {
 649                                 string const str = bformat(_("Saving document %1$s..."),
 650                                          MakeDisplayPath(owner->buffer()->fileName()));
 651                                 owner->message(str);
 652                                 MenuWrite(owner->buffer());
 653                                 owner->message(str + _(" done."));
 654                         } else
 655                                 WriteAs(owner->buffer());
 656                         break;
 657
 658                 case LFUN_WRITEAS:
 659                         WriteAs(owner->buffer(), argument);
 660                         break;
 661
 662                 case LFUN_MENURELOAD: {
 663                         string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
 664                         string text = bformat(_("Any changes will be lost. Are you sure "
 665                                 "you want to revert to the saved version of the document %1$s?"), file);
 666                         int const ret = Alert::prompt(_("Revert to saved document?"),
 667                                 text, 0, 1, _("&Revert"), _("&Cancel"));
 668
 669                         if (ret == 0)
 670                                 view()->reload();
 671                         break;
 672                 }
 673
 674                 case LFUN_UPDATE:
 675                         Exporter::Export(owner->buffer(), argument, true);
 676                         view()->showErrorList(BufferFormat(*owner->buffer()));
 677                         break;
 678
 679                 case LFUN_PREVIEW:
 680                         Exporter::Preview(owner->buffer(), argument);
 681                         view()->showErrorList(BufferFormat(*owner->buffer()));
 682                         break;
 683
 684                 case LFUN_BUILDPROG:
 685                         Exporter::Export(owner->buffer(), "program", true);
 686                         view()->showErrorList(_("Build"));
 687                         break;
 688
 689                 case LFUN_RUNCHKTEX:
 690                         owner->buffer()->runChktex();
 691                         view()->showErrorList(_("ChkTeX"));
 692                         break;
 693
 694                 case LFUN_EXPORT:
 695                         if (argument == "custom")
 696                                 owner->getDialogs().show("sendto");
 697                         else {
 698                                 Exporter::Export(owner->buffer(), argument, false);
 699                                 view()->showErrorList(BufferFormat(*owner->buffer()));
 700                         }
 701                         break;
 702
 703                 case LFUN_EXPORT_CUSTOM: {
 704                         string format_name;
 705                         string command = split(argument, format_name, ' ');
 706                         Format const * format = formats.getFormat(format_name);
 707                         if (!format) {
 708                                 lyxerr << "Format \"" << format_name
 709                                        << "\" not recognized!"
 710                                        << std::endl;
 711                                 break;
 712                         }
 713
 714                         Buffer * buffer = owner->buffer();
 715
 716                         // The name of the file created by the conversion process
 717                         string filename;
 718
 719                         // Output to filename
 720                         if (format->name() == "lyx") {
 721                                 string const latexname =
 722                                         buffer->getLatexName(false);
 723                                 filename = ChangeExtension(latexname,
 724                                                            format->extension());
 725                                 filename = AddName(buffer->temppath(), filename);
 726
 727                                 if (!buffer->writeFile(filename))
 728                                         break;
 729
 730                         } else {
 731                                 Exporter::Export(buffer, format_name, true,
 732                                                  filename);
 733                         }
 734
 735                         // Substitute $$FName for filename
 736                         if (!contains(command, "$$FName"))
 737                                 command = "( " + command + " ) < $$FName";
 738                         command = subst(command, "$$FName", filename);
 739
 740                         // Execute the command in the background
 741                         Systemcall call;
 742                         call.startscript(Systemcall::DontWait, command);
 743                         break;
 744                 }
 745
 746                 case LFUN_PRINT: {
 747                         string target;
 748                         string target_name;
 749                         string command = split(split(argument, target, ' '),
 750                                                target_name, ' ');
 751
 752                         if (target.empty()
 753                             || target_name.empty()
 754                             || command.empty()) {
 755                                 lyxerr << "Unable to parse \""
 756                                        << argument << '"' << std::endl;
 757                                 break;
 758                         }
 759                         if (target != "printer" && target != "file") {
 760                                 lyxerr << "Unrecognized target \""
 761                                        << target << '"' << std::endl;
 762                                 break;
 763                         }
 764
 765                         Buffer * buffer = owner->buffer();
 766
 767                         if (!Exporter::Export(buffer, "dvi", true)) {
 768                                 showPrintError(buffer->fileName());
 769                                 break;
 770                         }
 771
 772                         // Push directory path.
 773                         string const path = buffer->temppath();
 774                         Path p(path);
 775
 776                         // there are three cases here:
 777                         // 1. we print to a file
 778                         // 2. we print directly to a printer
 779                         // 3. we print using a spool command (print to file first)
 780                         Systemcall one;
 781                         int res = 0;
 782                         string const dviname =
 783                                 ChangeExtension(buffer->getLatexName(true),
 784                                                 "dvi");
 785
 786                         if (target == "printer") {
 787                                 if (!lyxrc.print_spool_command.empty()) {
 788                                         // case 3: print using a spool
 789                                         string const psname =
 790                                                 ChangeExtension(dviname,".ps");
 791                                         command += lyxrc.print_to_file
 792                                                 + QuoteName(psname)
 793                                                 + ' '
 794                                                 + QuoteName(dviname);
 795
 796                                         string command2 =
 797                                                 lyxrc.print_spool_command +' ';
 798                                         if (target_name != "default") {
 799                                                 command2 += lyxrc.print_spool_printerprefix
 800                                                         + target_name
 801                                                         + ' ';
 802                                         }
 803                                         command2 += QuoteName(psname);
 804                                         // First run dvips.
 805                                         // If successful, then spool command
 806                                         res = one.startscript(
 807                                                 Systemcall::Wait,
 808                                                 command);
 809
 810                                         if (res == 0)
 811                                                 res = one.startscript(
 812                                                         Systemcall::DontWait,
 813                                                         command2);
 814                                 } else {
 815                                         // case 2: print directly to a printer
 816                                         res = one.startscript(
 817                                                 Systemcall::DontWait,
 818                                                 command + QuoteName(dviname));
 819                                 }
 820
 821                         } else {
 822                                 // case 1: print to a file
 823                                 command += lyxrc.print_to_file
 824                                         + QuoteName(MakeAbsPath(target_name,
 825                                                                 path))
 826                                         + ' '
 827                                         + QuoteName(dviname);
 828                                 res = one.startscript(Systemcall::DontWait,
 829                                                       command);
 830                         }
 831
 832                         if (res != 0)
 833                                 showPrintError(buffer->fileName());
 834                         break;
 835                 }
 836
 837                 case LFUN_IMPORT:
 838                         doImport(argument);
 839                         break;
 840
 841                 case LFUN_QUIT:
 842                         QuitLyX();
 843                         break;
 844
 845                 case LFUN_TOCVIEW: {
 846                         InsetCommandParams p("tableofcontents");
 847                         string const data = InsetCommandMailer::params2string("toc", p);
 848                         owner->getDialogs().show("toc", data, 0);
 849                         break;
 850                 }
 851
 852                 case LFUN_AUTOSAVE:
 853                         AutoSave(view());
 854                         break;
 855
 856                 case LFUN_RECONFIGURE:
 857                         Reconfigure(view());
 858                         break;
 859
 860                 case LFUN_HELP_OPEN: {
 861                         string const arg = argument;
 862                         if (arg.empty()) {
 863                                 setErrorMessage(N_("Missing argument"));
 864                                 break;
 865                         }
 866                         string const fname = i18nLibFileSearch("doc", arg, "lyx");
 867                         if (fname.empty()) {
 868                                 lyxerr << "LyX: unable to find documentation file `"
 869                                                          << arg << "'. Bad installation?" << endl;
 870                                 break;
 871                         }
 872                         owner->message(bformat(_("Opening help file %1$s..."),
 873                                 MakeDisplayPath(fname)));
 874                         view()->loadLyXFile(fname, false);
 875                         break;
 876                 }
 877
 878                 // --- version control -------------------------------
 879                 case LFUN_VC_REGISTER:
 880                         if (!ensureBufferClean(view()))
 881                                 break;
 882                         if (!owner->buffer()->lyxvc().inUse()) {
 883                                 owner->buffer()->lyxvc().registrer();
 884                                 view()->reload();
 885                         }
 886                         break;
 887
 888                 case LFUN_VC_CHECKIN:
 889                         if (!ensureBufferClean(view()))
 890                                 break;
 891                         if (owner->buffer()->lyxvc().inUse()
 892                                         && !owner->buffer()->isReadonly()) {
 893                                 owner->buffer()->lyxvc().checkIn();
 894                                 view()->reload();
 895                         }
 896                         break;
 897
 898                 case LFUN_VC_CHECKOUT:
 899                         if (!ensureBufferClean(view()))
 900                                 break;
 901                         if (owner->buffer()->lyxvc().inUse()
 902                                         && owner->buffer()->isReadonly()) {
 903                                 owner->buffer()->lyxvc().checkOut();
 904                                 view()->reload();
 905                         }
 906                         break;
 907
 908                 case LFUN_VC_REVERT:
 909                         owner->buffer()->lyxvc().revert();
 910                         view()->reload();
 911                         break;
 912
 913                 case LFUN_VC_UNDO:
 914                         owner->buffer()->lyxvc().undoLast();
 915                         view()->reload();
 916                         break;
 917
 918                 // --- buffers ----------------------------------------
 919                 case LFUN_SWITCHBUFFER:
 920                         view()->setBuffer(bufferlist.getBuffer(argument));
 921                         break;
 922
 923                 case LFUN_FILE_NEW:
 924                         NewFile(view(), argument);
 925                         break;
 926
 927                 case LFUN_FILE_OPEN:
 928                         open(argument);
 929                         break;
 930
 931                 case LFUN_DROP_LAYOUTS_CHOICE:
 932                         owner->getToolbar().openLayoutList();
 933                         break;
 934
 935                 case LFUN_MENU_OPEN_BY_NAME:
 936                         owner->getMenubar().openByName(argument);
 937                         break;
 938
 939                 // --- lyxserver commands ----------------------------
 940                 case LFUN_GETNAME:
 941                         setMessage(owner->buffer()->fileName());
 942                         lyxerr[Debug::INFO] << "FNAME["
 943                                                          << owner->buffer()->fileName()
 944                                                          << "] " << endl;
 945                         break;
 946
 947                 case LFUN_NOTIFY:
 948                         dispatch_buffer = keyseq.print();
 949                         lyxserver->notifyClient(dispatch_buffer);
 950                         break;
 951
 952                 case LFUN_GOTOFILEROW: {
 953                         string file_name;
 954                         int row;
 955                         istringstream is(argument);
 956                         is >> file_name >> row;
 957                         if (prefixIs(file_name, getTmpDir())) {
 958                                 // Needed by inverse dvi search. If it is a file
 959                                 // in tmpdir, call the apropriated function
 960                                 view()->setBuffer(bufferlist.getBufferFromTmp(file_name));
 961                         } else {
 962                                 // Must replace extension of the file to be .lyx
 963                                 // and get full path
 964                                 string const s = ChangeExtension(file_name, ".lyx");
 965                                 // Either change buffer or load the file
 966                                 if (bufferlist.exists(s)) {
 967                                         view()->setBuffer(bufferlist.getBuffer(s));
 968                                 } else {
 969                                         view()->loadLyXFile(s);
 970                                 }
 971                         }
 972
 973                         view()->setCursorFromRow(row);
 974
 975                         view()->center();
 976                         // see BufferView_pimpl::center()
 977                         view()->updateScrollbar();
 978                         break;
 979                 }
 980
 981                 case LFUN_GOTO_PARAGRAPH: {
 982                         istringstream is(argument);
 983                         int id;
 984                         is >> id;
 985                         ParIterator par = owner->buffer()->getParFromID(id);
 986                         if (par == owner->buffer()->par_iterator_end()) {
 987                                 lyxerr[Debug::INFO] << "No matching paragraph found! ["
 988                                                                 << id << ']' << endl;
 989                                 break;
 990                         } else {
 991                                 lyxerr[Debug::INFO] << "Paragraph " << par->id()
 992                                                                 << " found." << endl;
 993                         }
 994
 995                         // Set the cursor
 996                         view()->setCursor(par, 0);
 997
 998                         view()->switchKeyMap();
 999                         owner->view_state_changed();
1000
1001                         view()->center();
1002                         // see BufferView_pimpl::center()
1003                         view()->updateScrollbar();
1004                         break;
1005                 }
1006
1007                 case LFUN_DIALOG_SHOW: {
1008                         string const name = cmd.getArg(0);
1009                         string data = trim(cmd.argument.substr(name.size()));
1010
1011                         if (name == "character") {
1012                                 data = freefont2string();
1013                                 if (!data.empty())
1014                                         owner->getDialogs().show("character", data);
1015                         }
1016                         else if (name == "document")
1017                                 owner->getDialogs().showDocument();
1018                         else if (name == "preamble")
1019                                 owner->getDialogs().showPreamble();
1020                         else if (name == "preferences")
1021                                 owner->getDialogs().showPreferences();
1022                         else if (name == "spellchecker")
1023                                 owner->getDialogs().showSpellchecker();
1024
1025                         else if (name == "latexlog") {
1026                                 pair<Buffer::LogType, string> const logfile =
1027                                         owner->buffer()->getLogName();
1028                                 switch (logfile.first) {
1029                                 case Buffer::latexlog:
1030                                         data = "latex ";
1031                                         break;
1032                                 case Buffer::buildlog:
1033                                         data = "literate ";
1034                                         break;
1035                                 }
1036                                 data += logfile.second;
1037                                 owner->getDialogs().show("log", data);
1038                         }
1039                         else if (name == "vclog") {
1040                                 string const data = "vc " +
1041                                         owner->buffer()->lyxvc().getLogFile();
1042                                 owner->getDialogs().show("log", data);
1043                         }
1044                         else
1045                                 owner->getDialogs().show(name, data);
1046                         break;
1047                 }
1048
1049                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1050                         string const name = cmd.getArg(0);
1051                         string data = trim(cmd.argument.substr(name.size()));
1052                         if (name == "bibitem" ||
1053                             name == "bibtex" ||
1054                             name == "include" ||
1055                             name == "index" ||
1056                             name == "label" ||
1057                             name == "ref" ||
1058                             name == "toc" ||
1059                             name == "url") {
1060                                 InsetCommandParams p(name);
1061                                 data = InsetCommandMailer::params2string(name, p);
1062                         } else if (name == "box") {
1063                                 // \c data == "Boxed" || "Frameless" etc
1064                                 InsetBoxParams p(data);
1065                                 data = InsetBoxMailer::params2string(p);
1066                         } else if (name == "branch") {
1067                                 InsetBranchParams p;
1068                                 data = InsetBranchMailer::params2string(p);
1069                         } else if (name == "citation") {
1070                                 InsetCommandParams p("cite");
1071                                 data = InsetCommandMailer::params2string(name, p);
1072                         } else if (name == "ert") {
1073                                 data = InsetERTMailer::params2string(InsetCollapsable::Open);
1074                         } else if (name == "external") {
1075                                 InsetExternalParams p;
1076                                 Buffer const & buffer = *owner->buffer();
1077                                 data = InsetExternalMailer::params2string(p, buffer);
1078                         } else if (name == "float") {
1079                                 InsetFloatParams p;
1080                                 data = InsetFloatMailer::params2string(p);
1081                         } else if (name == "graphics") {
1082                                 InsetGraphicsParams p;
1083                                 Buffer const & buffer = *owner->buffer();
1084                                 data = InsetGraphicsMailer::params2string(p, buffer);
1085                         } else if (name == "note") {
1086                                 InsetNoteParams p;
1087                                 data = InsetNoteMailer::params2string(p);
1088                         } else if (name == "vspace") {
1089                                 VSpace space;
1090                                 data = InsetVSpaceMailer::params2string(space);
1091                         } else if (name == "wrap") {
1092                                 InsetWrapParams p;
1093                                 data = InsetWrapMailer::params2string(p);
1094                         }
1095                         owner->getDialogs().show(name, data, 0);
1096                         break;
1097                 }
1098
1099                 case LFUN_DIALOG_SHOW_NEXT_INSET:
1100                         break;
1101
1102                 case LFUN_DIALOG_UPDATE: {
1103                         string const & name = argument;
1104                         // Can only update a dialog connected to an existing inset
1105                         InsetBase * inset = owner->getDialogs().getOpenInset(name);
1106                         if (inset) {
1107                                 FuncRequest fr(LFUN_INSET_DIALOG_UPDATE, cmd.argument);
1108                                 inset->dispatch(view()->cursor(), fr);
1109                         } else if (name == "paragraph") {
1110                                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1111                         }
1112                         break;
1113                 }
1114
1115                 case LFUN_DIALOG_HIDE:
1116                         Dialogs::hide(argument, 0);
1117                         break;
1118
1119                 case LFUN_DIALOG_DISCONNECT_INSET:
1120                         owner->getDialogs().disconnect(argument);
1121                         break;
1122
1123                 case LFUN_CHILDOPEN: {
1124                         string const filename =
1125                                 MakeAbsPath(argument, owner->buffer()->filePath());
1126                         setMessage(N_("Opening child document ") +
1127                                          MakeDisplayPath(filename) + "...");
1128                         view()->savePosition(0);
1129                         string const parentfilename = owner->buffer()->fileName();
1130                         if (bufferlist.exists(filename))
1131                                 view()->setBuffer(bufferlist.getBuffer(filename));
1132                         else
1133                                 view()->loadLyXFile(filename);
1134                         // Set the parent name of the child document.
1135                         // This makes insertion of citations and references in the child work,
1136                         // when the target is in the parent or another child document.
1137                         owner->buffer()->setParentName(parentfilename);
1138                         break;
1139                 }
1140
1141                 case LFUN_TOGGLECURSORFOLLOW:
1142                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1143                         break;
1144
1145                 case LFUN_KMAP_OFF:
1146                         owner->getIntl().KeyMapOn(false);
1147                         break;
1148
1149                 case LFUN_KMAP_PRIM:
1150                         owner->getIntl().KeyMapPrim();
1151                         break;
1152
1153                 case LFUN_KMAP_SEC:
1154                         owner->getIntl().KeyMapSec();
1155                         break;
1156
1157                 case LFUN_KMAP_TOGGLE:
1158                         owner->getIntl().ToggleKeyMap();
1159                         break;
1160
1161                 case LFUN_REPEAT: {
1162                         // repeat command
1163                         string countstr;
1164                         string rest = split(argument, countstr, ' ');
1165                         istringstream is(countstr);
1166                         int count = 0;
1167                         is >> count;
1168                         lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1169                         for (int i = 0; i < count; ++i)
1170                                 dispatch(lyxaction.lookupFunc(rest));
1171                         break;
1172                 }
1173
1174                 case LFUN_SEQUENCE:
1175                         // argument contains ';'-terminated commands
1176                         while (!argument.empty()) {
1177                                 string first;
1178                                 string rest = split(argument, first, ';');
1179                                 dispatch(lyxaction.lookupFunc(rest));
1180                         }
1181                         break;
1182
1183                 case LFUN_SAVEPREFERENCES: {
1184                         Path p(user_lyxdir());
1185                         lyxrc.write("preferences");
1186                         break;
1187                 }
1188
1189                 case LFUN_SCREEN_FONT_UPDATE:
1190                         // handle the screen font changes.
1191                         lyxrc.set_font_norm_type();
1192                         lyx_gui::update_fonts();
1193                         // All visible buffers will need resize
1194                         view()->resize();
1195                         break;
1196
1197                 case LFUN_SET_COLOR: {
1198                         string lyx_name;
1199                         string const x11_name = split(argument, lyx_name, ' ');
1200                         if (lyx_name.empty() || x11_name.empty()) {
1201                                 setErrorMessage(N_("Syntax: set-color <lyx_name>"
1202                                                         " <x11_name>"));
1203                                 break;
1204                         }
1205
1206                         bool const graphicsbg_changed =
1207                                 (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1208                                  x11_name != lcolor.getX11Name(LColor::graphicsbg));
1209
1210                         if (!lcolor.setColor(lyx_name, x11_name)) {
1211                                 setErrorMessage(
1212                                         bformat(_("Set-color \"%1$s\" failed "
1213                                                                 "- color is undefined or "
1214                                                                 "may not be redefined"), lyx_name));
1215                                 break;
1216                         }
1217
1218                         lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1219
1220                         if (graphicsbg_changed) {
1221 #ifdef WITH_WARNINGS
1222 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1223 #endif
1224 #if 0
1225                                 lyx::graphics::GCache::get().changeDisplay(true);
1226 #endif
1227                         }
1228                         break;
1229                 }
1230
1231                 case LFUN_MESSAGE:
1232                         owner->message(argument);
1233                         break;
1234
1235                 case LFUN_TOOLTIPS_TOGGLE:
1236                         owner->getDialogs().toggleTooltips();
1237                         break;
1238
1239                 case LFUN_EXTERNAL_EDIT: {
1240                         FuncRequest fr(action, argument);
1241                         InsetExternal().dispatch(view()->cursor(), fr);
1242                         break;
1243                 }
1244
1245                 case LFUN_BREAKLINE: {
1246 #warning swallow 'Return' if the minibuffer is focused. But how?
1247                         break;
1248                 }
1249
1250                 case LFUN_ALL_INSETS_TOGGLE: {
1251                         string action;
1252                         string const name = split(argument, action, ' ');
1253                         InsetBase::Code const inset_code =
1254                                 InsetBase::translate(name);
1255
1256                         LCursor & cur = view()->cursor();
1257                         FuncRequest fr(LFUN_INSET_TOGGLE, action);
1258
1259                         InsetBase & inset = owner->buffer()->inset();
1260                         InsetIterator it  = inset_iterator_begin(inset);
1261                         InsetIterator const end = inset_iterator_end(inset);
1262                         for (; it != end; ++it) {
1263                                 if (inset_code == InsetBase::NO_CODE
1264                                     || inset_code == it->lyxCode()) {
1265                                         it->dispatch(cur, fr);
1266                                         if (&cur.inset() == &*it
1267                                             && cur.disp_.dispatched())
1268                                                 cur.pop();
1269                                 }
1270                         }
1271                         break;
1272                 }
1273
1274                 default: {
1275                         DispatchResult res = view()->cursor().dispatch(cmd);
1276                         if (!res.dispatched());
1277                                 view()->dispatch(cmd);
1278                         break;
1279                 }
1280                 }
1281
1282                 if (view()->available()) {
1283                         view()->fitCursor();
1284                         view()->update();
1285                         view()->cursor().updatePos();
1286                         // if we executed a mutating lfun, mark the buffer as dirty
1287                         if (getStatus(cmd).enabled()
1288                                         && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)
1289                                         && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly))
1290                                 view()->buffer()->markDirty();
1291                 }
1292
1293                 if (view()->cursor().inTexted()) {
1294                         view()->owner()->updateLayoutChoice();
1295                         sendDispatchMessage(getMessage(), cmd, verbose);
1296                 }
1297         }
1298 }
1299
1300
1301 void LyXFunc::sendDispatchMessage(string const & msg,
1302                                   FuncRequest const & cmd, bool verbose)
1303 {
1304         owner->updateMenubar();
1305         owner->updateToolbar();
1306
1307         if (cmd.action == LFUN_SELFINSERT || !verbose) {
1308                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1309                 if (!msg.empty())
1310                         owner->message(msg);
1311                 return;
1312         }
1313
1314         string dispatch_msg = msg;
1315         if (!dispatch_msg.empty())
1316                 dispatch_msg += ' ';
1317
1318         string comname = lyxaction.getActionName(cmd.action);
1319
1320         bool argsadded = false;
1321
1322         if (!cmd.argument.empty()) {
1323                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1324                         comname += ' ' + cmd.argument;
1325                         argsadded = true;
1326                 }
1327         }
1328
1329         string const shortcuts = toplevel_keymap->findbinding(cmd);
1330
1331         if (!shortcuts.empty()) {
1332                 comname += ": " + shortcuts;
1333         } else if (!argsadded && !cmd.argument.empty()) {
1334                 comname += ' ' + cmd.argument;
1335         }
1336
1337         if (!comname.empty()) {
1338                 comname = rtrim(comname);
1339                 dispatch_msg += '(' + comname + ')';
1340         }
1341
1342         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1343         if (!dispatch_msg.empty())
1344                 owner->message(dispatch_msg);
1345 }
1346
1347
1348 void LyXFunc::setupLocalKeymap()
1349 {
1350         keyseq.stdmap = toplevel_keymap.get();
1351         keyseq.curmap = toplevel_keymap.get();
1352         cancel_meta_seq.stdmap = toplevel_keymap.get();
1353         cancel_meta_seq.curmap = toplevel_keymap.get();
1354 }
1355
1356
1357 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1358 {
1359         string initpath = lyxrc.document_path;
1360         string filename(name);
1361
1362         if (view()->available()) {
1363                 string const trypath = owner->buffer()->filePath();
1364                 // If directory is writeable, use this as default.
1365                 if (IsDirWriteable(trypath))
1366                         initpath = trypath;
1367         }
1368
1369         static int newfile_number;
1370
1371         if (filename.empty()) {
1372                 filename = AddName(lyxrc.document_path,
1373                             "newfile" + tostr(++newfile_number) + ".lyx");
1374                 FileInfo fi(filename);
1375                 while (bufferlist.exists(filename) || fi.readable()) {
1376                         ++newfile_number;
1377                         filename = AddName(lyxrc.document_path,
1378                                     "newfile" + tostr(newfile_number) +
1379                                     ".lyx");
1380                         fi.newFile(filename);
1381                 }
1382         }
1383
1384         // The template stuff
1385         string templname;
1386         if (fromTemplate) {
1387                 FileDialog fileDlg(_("Select template file"),
1388                         LFUN_SELECT_FILE_SYNC,
1389                         make_pair(string(_("Documents|#o#O")),
1390                                   string(lyxrc.document_path)),
1391                         make_pair(string(_("Templates|#T#t")),
1392                                   string(lyxrc.template_path)));
1393
1394                 FileDialog::Result result =
1395                         fileDlg.open(lyxrc.template_path,
1396                                      FileFilterList(_("LyX Documents (*.lyx)")),
1397                                      string());
1398
1399                 if (result.first == FileDialog::Later)
1400                         return;
1401                 if (result.second.empty())
1402                         return;
1403                 templname = result.second;
1404         }
1405
1406         view()->newFile(filename, templname, !name.empty());
1407 }
1408
1409
1410 void LyXFunc::open(string const & fname)
1411 {
1412         string initpath = lyxrc.document_path;
1413
1414         if (view()->available()) {
1415                 string const trypath = owner->buffer()->filePath();
1416                 // If directory is writeable, use this as default.
1417                 if (IsDirWriteable(trypath))
1418                         initpath = trypath;
1419         }
1420
1421         string filename;
1422
1423         if (fname.empty()) {
1424                 FileDialog fileDlg(_("Select document to open"),
1425                         LFUN_FILE_OPEN,
1426                         make_pair(string(_("Documents|#o#O")),
1427                                   string(lyxrc.document_path)),
1428                         make_pair(string(_("Examples|#E#e")),
1429                                   string(AddPath(system_lyxdir(), "examples"))));
1430
1431                 FileDialog::Result result =
1432                         fileDlg.open(initpath,
1433                                      FileFilterList(_("LyX Documents (*.lyx)")),
1434                                      string());
1435
1436                 if (result.first == FileDialog::Later)
1437                         return;
1438
1439                 filename = result.second;
1440
1441                 // check selected filename
1442                 if (filename.empty()) {
1443                         owner->message(_("Canceled."));
1444                         return;
1445                 }
1446         } else
1447                 filename = fname;
1448
1449         // get absolute path of file and add ".lyx" to the filename if
1450         // necessary
1451         string const fullpath = FileSearch(string(), filename, "lyx");
1452         if (!fullpath.empty()) {
1453                 filename = fullpath;
1454         }
1455
1456         string const disp_fn(MakeDisplayPath(filename));
1457
1458         // if the file doesn't exist, let the user create one
1459         FileInfo const f(filename, true);
1460         if (!f.exist()) {
1461                 // the user specifically chose this name. Believe them.
1462                 view()->newFile(filename, "", true);
1463                 return;
1464         }
1465
1466         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1467
1468         string str2;
1469         if (view()->loadLyXFile(filename)) {
1470                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1471         } else {
1472                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1473         }
1474         owner->message(str2);
1475 }
1476
1477
1478 void LyXFunc::doImport(string const & argument)
1479 {
1480         string format;
1481         string filename = split(argument, format, ' ');
1482
1483         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1484                             << " file: " << filename << endl;
1485
1486         // need user interaction
1487         if (filename.empty()) {
1488                 string initpath = lyxrc.document_path;
1489
1490                 if (view()->available()) {
1491                         string const trypath = owner->buffer()->filePath();
1492                         // If directory is writeable, use this as default.
1493                         if (IsDirWriteable(trypath))
1494                                 initpath = trypath;
1495                 }
1496
1497                 string const text = bformat(_("Select %1$s file to import"),
1498                         formats.prettyName(format));
1499
1500                 FileDialog fileDlg(text,
1501                         LFUN_IMPORT,
1502                         make_pair(string(_("Documents|#o#O")),
1503                                   string(lyxrc.document_path)),
1504                         make_pair(string(_("Examples|#E#e")),
1505                                   string(AddPath(system_lyxdir(), "examples"))));
1506
1507                 string const filter = formats.prettyName(format)
1508                         + " (*." + formats.extension(format) + ')';
1509
1510                 FileDialog::Result result =
1511                         fileDlg.open(initpath,
1512                                      FileFilterList(filter),
1513                                      string());
1514
1515                 if (result.first == FileDialog::Later)
1516                         return;
1517
1518                 filename = result.second;
1519
1520                 // check selected filename
1521                 if (filename.empty())
1522                         owner->message(_("Canceled."));
1523         }
1524
1525         if (filename.empty())
1526                 return;
1527
1528         // get absolute path of file
1529         filename = MakeAbsPath(filename);
1530
1531         string const lyxfile = ChangeExtension(filename, ".lyx");
1532
1533         // Check if the document already is open
1534         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1535                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1536                         owner->message(_("Canceled."));
1537                         return;
1538                 }
1539         }
1540
1541         // if the file exists already, and we didn't do
1542         // -i lyx thefile.lyx, warn
1543         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1544                 string const file = MakeDisplayPath(lyxfile, 30);
1545
1546                 string text = bformat(_("The document %1$s already exists.\n\n"
1547                         "Do you want to over-write that document?"), file);
1548                 int const ret = Alert::prompt(_("Over-write document?"),
1549                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1550
1551                 if (ret == 1) {
1552                         owner->message(_("Canceled."));
1553                         return;
1554                 }
1555         }
1556
1557         Importer::Import(owner, filename, format);
1558 }
1559
1560
1561 void LyXFunc::closeBuffer()
1562 {
1563         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1564                 if (bufferlist.empty()) {
1565                         // need this otherwise SEGV may occur while
1566                         // trying to set variables that don't exist
1567                         // since there's no current buffer
1568                         owner->getDialogs().hideBufferDependent();
1569                 } else {
1570                         view()->setBuffer(bufferlist.first());
1571                 }
1572         }
1573 }
1574
1575
1576 // Each "owner" should have it's own message method. lyxview and
1577 // the minibuffer would use the minibuffer, but lyxserver would
1578 // send an ERROR signal to its client.  Alejandro 970603
1579 // This function is bit problematic when it comes to NLS, to make the
1580 // lyx servers client be language indepenent we must not translate
1581 // strings sent to this func.
1582 void LyXFunc::setErrorMessage(string const & m) const
1583 {
1584         dispatch_buffer = m;
1585         errorstat = true;
1586 }
1587
1588
1589 void LyXFunc::setMessage(string const & m) const
1590 {
1591         dispatch_buffer = m;
1592 }
1593
1594
1595 void LyXFunc::setStatusMessage(string const & m) const
1596 {
1597         status_buffer = m;
1598 }
1599
1600
1601 string const LyXFunc::viewStatusMessage()
1602 {
1603         // When meta-fake key is pressed, show the key sequence so far + "M-".
1604         if (wasMetaKey())
1605                 return keyseq.print() + "M-";
1606
1607         // Else, when a non-complete key sequence is pressed,
1608         // show the available options.
1609         if (keyseq.length() > 0 && !keyseq.deleted())
1610                 return keyseq.printOptions();
1611
1612         if (!view()->available())
1613                 return _("Welcome to LyX!");
1614
1615         return view()->cursor().currentState();
1616 }
1617
1618
1619 BufferView * LyXFunc::view() const
1620 {
1621         BOOST_ASSERT(owner);
1622         return owner->view().get();
1623 }
1624
1625
1626 bool LyXFunc::wasMetaKey() const
1627 {
1628         return (meta_fake_bit != key_modifier::none);
1629 }