src/lyxfunc.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "lyxfunc.h"
  14 #include "version.h"
  15 #include "kbmap.h"
  16 #include "lyxrow.h"
  17 #include "bufferlist.h"
  18 #include "BufferView.h"
  19 #include "lyxserver.h"
  20 #include "intl.h"
  21 #include "lyx_main.h"
  22 #include "lyx_cb.h"
  23 #include "LyXAction.h"
  24 #include "debug.h"
  25 #include "lyxrc.h"
  26 #include "lyxtext.h"
  27 #include "gettext.h"
  28 #include "Lsstream.h"
  29 #include "trans_mgr.h"
  30 #include "encoding.h"
  31 #include "layout.h"
  32 #include "bufferview_funcs.h"
  33 #include "frontends/LyXView.h"
  34 #include "frontends/lyx_gui.h"
  35 #include "vspace.h"
  36 #include "FloatList.h"
  37 #include "format.h"
  38 #include "exporter.h"
  39 #include "importer.h"
  40 #include "TextCache.h"
  41 #include "lyxfind.h"
  42 #include "undo_funcs.h"
  43 #include "ParagraphParameters.h"
  44
  45 #include "insets/insetcommand.h"
  46 #include "insets/inseterror.h"
  47 #include "insets/insetert.h"
  48 #include "insets/insettabular.h"
  49
  50 #include "mathed/formulamacro.h"
  51 #include "mathed/math_cursor.h"
  52 #include "mathed/math_inset.h"
  53
  54 #include "frontends/FileDialog.h"
  55 #include "frontends/Dialogs.h"
  56 #include "frontends/Toolbar.h"
  57 #include "frontends/Menubar.h"
  58 #include "frontends/Alert.h"
  59
  60 #include "graphics/GraphicsCache.h"
  61
  62 #include "support/lyxalgo.h"
  63 #include "support/LAssert.h"
  64 #include "support/filetools.h"
  65 #include "support/FileInfo.h"
  66 #include "support/forkedcontr.h"
  67 #include "support/lstrings.h"
  68 #include "support/path.h"
  69 #include "support/lyxfunctional.h"
  70
  71 #include "BoostFormat.h"
  72
  73 #include <ctime>
  74 #include <clocale>
  75 #include <cstdlib>
  76 #include <cctype>
  77
  78 #include <utility>
  79 #include <algorithm>
  80
  81 using std::pair;
  82 using std::make_pair;
  83 using std::endl;
  84 using std::find_if;
  85 using std::vector;
  86 using std::transform;
  87 using std::back_inserter;
  88
  89 extern BufferList bufferlist;
  90 extern LyXServer * lyxserver;
  91 extern bool selection_possible;
  92
  93 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
  94
  95 // (alkis)
  96 extern tex_accent_struct get_accent(kb_action action);
  97
  98 extern void ShowLatexLog();
  99
 100
 101 LyXFunc::LyXFunc(LyXView * o)
 102         : owner(o),
 103         encoded_last_key(0),
 104         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 105         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 106         meta_fake_bit(key_modifier::none)
 107 {
 108 }
 109
 110
 111 inline
 112 LyXText * LyXFunc::TEXT(bool flag = true) const
 113 {
 114         if (flag)
 115                 return view()->text;
 116         return view()->getLyXText();
 117 }
 118
 119
 120 inline
 121 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 122 {
 123         if (selecting || TEXT(flag)->selection.mark()) {
 124                 TEXT(flag)->setSelection(view());
 125                 if (TEXT(flag)->isTopLevel())
 126                     view()->toggleToggle();
 127         }
 128         view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 129         view()->showCursor();
 130
 131         view()->switchKeyMap();
 132 }
 133
 134
 135 void LyXFunc::handleKeyFunc(kb_action action)
 136 {
 137         char c = encoded_last_key;
 138
 139         if (keyseq.length()) {
 140                 c = 0;
 141         }
 142
 143         owner->getIntl().getTransManager()
 144                 .deadkey(c, get_accent(action).accent, TEXT(false));
 145         // Need to clear, in case the minibuffer calls these
 146         // actions
 147         keyseq.clear();
 148         // copied verbatim from do_accent_char
 149         view()->update(TEXT(false),
 150                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 151         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 152 }
 153
 154
 155 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 156                             key_modifier::state state)
 157 {
 158         string argument;
 159
 160         if (lyxerr.debugging(Debug::KEY)) {
 161                 lyxerr << "KeySym is "
 162                        << keysym->getSymbolName()
 163                        << endl;
 164         }
 165
 166         // Do nothing if we have nothing (JMarc)
 167         if (!keysym->isOK()) {
 168                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 169                                    << endl;
 170                 return;
 171         }
 172
 173         if (keysym->isModifier()) {
 174                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 175                 return;
 176         }
 177
 178         Encoding const * encoding = view()->getEncoding();
 179
 180         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 181
 182         // Do a one-deep top-level lookup for
 183         // cancel and meta-fake keys. RVDK_PATCH_5
 184         cancel_meta_seq.reset();
 185
 186         int action = cancel_meta_seq.addkey(keysym, state);
 187         lyxerr[Debug::KEY] << "action first set to [" << action << ']' << endl;
 188
 189         // When not cancel or meta-fake, do the normal lookup.
 190         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 191         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 192         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 193                 // remove Caps Lock and Mod2 as a modifiers
 194                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 195                 lyxerr[Debug::KEY] << "action now set to ["
 196                         << action << ']' << endl;
 197         }
 198
 199         // Dont remove this unless you know what you are doing.
 200         meta_fake_bit = key_modifier::none;
 201
 202         // can this happen now ?
 203         if (action == LFUN_NOACTION) {
 204                 action = LFUN_PREFIX;
 205         }
 206
 207         if (lyxerr.debugging(Debug::KEY)) {
 208                 lyxerr << "Key [action="
 209                        << action << "]["
 210                        << keyseq.print() << ']'
 211                        << endl;
 212         }
 213
 214         // already here we know if it any point in going further
 215         // why not return already here if action == -1 and
 216         // num_bytes == 0? (Lgb)
 217
 218         if (keyseq.length() > 1) {
 219                 owner->message(keyseq.print());
 220         }
 221
 222
 223         // Maybe user can only reach the key via holding down shift.
 224         // Let's see. But only if shift is the only modifier
 225         if (action == LFUN_UNKNOWN_ACTION && state == key_modifier::shift) {
 226                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 227                 action = keyseq.addkey(keysym, key_modifier::none);
 228                 lyxerr[Debug::KEY] << "Action now " << action << endl;
 229         }
 230
 231         if (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                         action = 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 (action == LFUN_SELFINSERT) {
 246                 if (encoded_last_key != 0) {
 247                         string arg;
 248                         arg += encoded_last_key;
 249
 250                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 251
 252                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 253                                    << argument << "']" << endl;
 254                 }
 255         } else {
 256                 dispatch(action);
 257         }
 258 }
 259
 260
 261 FuncStatus LyXFunc::getStatus(int ac) const
 262 {
 263         return getStatus(lyxaction.retrieveActionArg(ac));
 264 }
 265
 266
 267 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 268 {
 269         FuncStatus flag;
 270         Buffer * buf = owner->buffer();
 271
 272         if (ev.action == LFUN_NOACTION) {
 273                 setStatusMessage(N_("Nothing to do"));
 274                 return flag.disabled(true);
 275         }
 276
 277         switch (ev.action) {
 278         case LFUN_UNKNOWN_ACTION:
 279 #ifndef HAVE_LIBAIKSAURUS
 280         case LFUN_THESAURUS_ENTRY:
 281 #endif
 282                 flag.unknown(true);
 283                 break;
 284         default:
 285                 flag |= lyx_gui::getStatus(ev);
 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(ev.action, LyXAction::NoBuffer)) {
 298                 // Yes we need a buffer, do we have one?
 299                 if (buf) {
 300                         // yes
 301                         // Can we use a readonly buffer?
 302                         if (buf->isReadonly() &&
 303                             !lyxaction.funcHasFlag(ev.action,
 304                                                    LyXAction::ReadOnly)) {
 305                                 // no
 306                                 setStatusMessage(N_("Document is read-only"));
 307                                 flag.disabled(true);
 308                         }
 309                 } else {
 310                         // no
 311                         setStatusMessage(N_("Command not allowed with"
 312                                            "out any document open"));
 313                         return flag.disabled(true);
 314                 }
 315         }
 316
 317         UpdatableInset * tli = view()->theLockingInset();
 318
 319         // I would really like to avoid having this switch and rather try to
 320         // encode this in the function itself.
 321         bool disable = false;
 322         switch (ev.action) {
 323         case LFUN_MENUPRINT:
 324                 disable = !Exporter::IsExportable(buf, "dvi")
 325                         || lyxrc.print_command == "none";
 326                 break;
 327         case LFUN_EXPORT:
 328                 disable = ev.argument != "custom"
 329                         && !Exporter::IsExportable(buf, ev.argument);
 330                 break;
 331         case LFUN_UNDO:
 332                 disable = buf->undostack.empty();
 333                 break;
 334         case LFUN_REDO:
 335                 disable = buf->redostack.empty();
 336                 break;
 337         case LFUN_CUT:
 338         case LFUN_COPY:
 339                 if (tli) {
 340                         UpdatableInset * in = tli;
 341                         if (in->lyxCode() != Inset::TABULAR_CODE) {
 342                                 in = tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
 343                         }
 344                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
 345                                 disable = false;
 346                                 break;
 347                         }
 348                 }
 349                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 350                 break;
 351         case LFUN_RUNCHKTEX:
 352                 disable = lyxrc.chktex_command == "none";
 353                 break;
 354         case LFUN_BUILDPROG:
 355                 disable = !Exporter::IsExportable(buf, "program");
 356                 break;
 357
 358         case LFUN_LAYOUT_CHARACTER:
 359                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 360                 break;
 361
 362         case LFUN_LAYOUT_TABULAR:
 363                 disable = !tli
 364                         || (tli->lyxCode() != Inset::TABULAR_CODE
 365                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 366                 break;
 367
 368         case LFUN_LAYOUT:
 369         case LFUN_LAYOUT_PARAGRAPH: {
 370                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 371                 disable = inset && inset->forceDefaultParagraphs(inset);
 372                 break;
 373         }
 374
 375         case LFUN_INSET_OPTARG:
 376                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
 377                 break;
 378
 379         case LFUN_TABULAR_FEATURE:
 380                 if (mathcursor) {
 381 #if 0
 382                         // FIXME: check temporarily disabled
 383                         // valign code
 384                         char align = mathcursor->valign();
 385                         if (align == '\0') {
 386                                 disable = true;
 387                                 break;
 388                         }
 389                         if (ev.argument.empty()) {
 390                                 flag.clear();
 391                                 break;
 392                         }
 393                         if (!contains("tcb", ev.argument[0])) {
 394                                 disable = true;
 395                                 break;
 396                         }
 397                         flag.setOnOff(ev.argument[0] == align);
 398                 } else
 399                         disable = true;
 400
 401                         char align = mathcursor->halign();
 402                         if (align == '\0') {
 403                                 disable = true;
 404                                 break;
 405                         }
 406                         if (ev.argument.empty()) {
 407                                 flag.clear();
 408                                 break;
 409                         }
 410                         if (!contains("lcr", ev.argument[0])) {
 411                                 disable = true;
 412                                 break;
 413                         }
 414                         flag.setOnOff(ev.argument[0] == align);
 415 #endif
 416
 417                         disable = !mathcursor->halign();
 418                         break;
 419                 }
 420
 421                 if (tli) {
 422                         FuncStatus ret;
 423                         //ret.disabled(true);
 424                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 425                                 ret = static_cast<InsetTabular *>(tli)
 426                                         ->getStatus(ev.argument);
 427                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 428                                 ret = static_cast<InsetTabular *>
 429                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 430                                         ->getStatus(ev.argument);
 431                         }
 432                         flag |= ret;
 433                         disable = false;
 434                 } else {
 435                         static InsetTabular inset(*owner->buffer(), 1, 1);
 436                         FuncStatus ret;
 437
 438                         disable = true;
 439                         ret = inset.getStatus(ev.argument);
 440                         if (ret.onoff(true) || ret.onoff(false))
 441                                 flag.setOnOff(false);
 442                 }
 443                 break;
 444
 445         case LFUN_VC_REGISTER:
 446                 disable = buf->lyxvc.inUse();
 447                 break;
 448         case LFUN_VC_CHECKIN:
 449                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 450                 break;
 451         case LFUN_VC_CHECKOUT:
 452                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 453                 break;
 454         case LFUN_VC_REVERT:
 455         case LFUN_VC_UNDO:
 456         case LFUN_VC_HISTORY:
 457                 disable = !buf->lyxvc.inUse();
 458                 break;
 459         case LFUN_MENURELOAD:
 460                 disable = buf->isUnnamed() || buf->isClean();
 461                 break;
 462         case LFUN_BOOKMARK_GOTO:
 463                 disable =  !view()->
 464                         isSavedPosition(strToUnsignedInt(ev.argument));
 465                 break;
 466         case LFUN_MERGE_CHANGES:
 467         case LFUN_ACCEPT_CHANGE:
 468         case LFUN_REJECT_CHANGE:
 469         case LFUN_ACCEPT_ALL_CHANGES:
 470         case LFUN_REJECT_ALL_CHANGES:
 471                 disable = !buf->params.tracking_changes;
 472                 break;
 473         case LFUN_INSET_TOGGLE: {
 474                 LyXText * lt = view()->getLyXText();
 475                 disable = !(isEditableInset(lt->getInset())
 476                             || (lt->inset_owner
 477                                 && lt->inset_owner->owner()
 478                                 && lt->inset_owner->owner()->isOpen()));
 479                 break;
 480         }
 481         case LFUN_LATEX_LOG:
 482                 disable = !IsFileReadable(buf->getLogName().second);
 483                 break;
 484
 485         case LFUN_MATH_MUTATE:
 486                 if (mathcursor)
 487                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 488                         flag.setOnOff(false);
 489                 else
 490                         disable = true;
 491                 break;
 492
 493         // we just need to be in math mode to enable that
 494         case LFUN_MATH_SIZE:
 495         case LFUN_MATH_SPACE:
 496         case LFUN_MATH_LIMITS:
 497         case LFUN_MATH_NONUMBER:
 498         case LFUN_MATH_NUMBER:
 499         case LFUN_MATH_EXTERN:
 500                 disable = !mathcursor;
 501                 break;
 502
 503         default:
 504                 break;
 505         }
 506
 507         // the functions which insert insets
 508         Inset::Code code = Inset::NO_CODE;
 509         switch (ev.action) {
 510         case LFUN_DIALOG_SHOW_NEW_INSET:
 511                 if (ev.argument == "bibitem")
 512                         code = Inset::BIBITEM_CODE;
 513                 else if (ev.argument == "bibtex")
 514                         code = Inset::BIBTEX_CODE;
 515                 else if (ev.argument == "citation")
 516                         code = Inset::CITE_CODE;
 517                 else if (ev.argument == "ert")
 518                         code = Inset::ERT_CODE;
 519                 else if (ev.argument == "external")
 520                         code = Inset::EXTERNAL_CODE;
 521                 else if (ev.argument == "float")
 522                         code = Inset::FLOAT_CODE;
 523                 else if (ev.argument == "graphics")
 524                         code = Inset::GRAPHICS_CODE;
 525                 else if (ev.argument == "include")
 526                         code = Inset::INCLUDE_CODE;
 527                 else if (ev.argument == "index")
 528                         code = Inset::INDEX_CODE;
 529                 else if (ev.argument == "label")
 530                         code = Inset::LABEL_CODE;
 531                 else if (ev.argument == "minipage")
 532                         code = Inset::MINIPAGE_CODE;
 533                 else if (ev.argument == "ref")
 534                         code = Inset::REF_CODE;
 535                 else if (ev.argument == "toc")
 536                         code = Inset::TOC_CODE;
 537                 else if (ev.argument == "url")
 538                         code = Inset::URL_CODE;
 539                 else if (ev.argument == "wrap")
 540                         code = Inset::WRAP_CODE;
 541                 break;
 542
 543         case LFUN_INSET_ERT:
 544                 code = Inset::ERT_CODE;
 545                 break;
 546         case LFUN_INSET_FOOTNOTE:
 547                 code = Inset::FOOT_CODE;
 548                 break;
 549         case LFUN_TABULAR_INSERT:
 550                 code = Inset::TABULAR_CODE;
 551                 break;
 552         case LFUN_INSET_MARGINAL:
 553                 code = Inset::MARGIN_CODE;
 554                 break;
 555         case LFUN_INSET_MINIPAGE:
 556                 code = Inset::MINIPAGE_CODE;
 557                 break;
 558         case LFUN_INSET_FLOAT:
 559         case LFUN_INSET_WIDE_FLOAT:
 560                 code = Inset::FLOAT_CODE;
 561                 break;
 562         case LFUN_INSET_WRAP:
 563                 code = Inset::WRAP_CODE;
 564                 break;
 565         case LFUN_FLOAT_LIST:
 566                 code = Inset::FLOAT_LIST_CODE;
 567                 break;
 568 #if 0
 569         case LFUN_INSET_LIST:
 570                 code = Inset::LIST_CODE;
 571                 break;
 572         case LFUN_INSET_THEOREM:
 573                 code = Inset::THEOREM_CODE;
 574                 break;
 575 #endif
 576         case LFUN_INSET_CAPTION:
 577                 code = Inset::CAPTION_CODE;
 578                 break;
 579         case LFUN_INSERT_NOTE:
 580                 code = Inset::NOTE_CODE;
 581                 break;
 582         case LFUN_INSERT_LABEL:
 583                 code = Inset::LABEL_CODE;
 584                 break;
 585         case LFUN_INSET_OPTARG:
 586                 code = Inset::OPTARG_CODE;
 587                 break;
 588         case LFUN_INDEX_INSERT:
 589                 code = Inset::INDEX_CODE;
 590                 break;
 591         case LFUN_INDEX_PRINT:
 592                 code = Inset::INDEX_PRINT_CODE;
 593                 break;
 594         case LFUN_TOC_INSERT:
 595                 code = Inset::TOC_CODE;
 596                 break;
 597         case LFUN_PARENTINSERT:
 598                 code = Inset::PARENT_CODE;
 599                 break;
 600         case LFUN_HTMLURL:
 601         case LFUN_URL:
 602                 code = Inset::URL_CODE;
 603                 break;
 604         case LFUN_QUOTE:
 605                 // always allow this, since we will inset a raw quote
 606                 // if an inset is not allowed.
 607                 break;
 608         case LFUN_HYPHENATION:
 609         case LFUN_LIGATURE_BREAK:
 610         case LFUN_HFILL:
 611         case LFUN_MENU_SEPARATOR:
 612         case LFUN_LDOTS:
 613         case LFUN_END_OF_SENTENCE:
 614                 code = Inset::SPECIALCHAR_CODE;
 615                 break;
 616         case LFUN_PROTECTEDSPACE:
 617                 // slight hack: we know this is allowed in math mode
 618                 if (!mathcursor)
 619                         code = Inset::SPECIALCHAR_CODE;
 620                 break;
 621         default:
 622                 break;
 623         }
 624         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 625                 disable = true;
 626
 627         if (disable)
 628                 flag.disabled(true);
 629
 630         // A few general toggles
 631         switch (ev.action) {
 632         case LFUN_TOOLTIPS_TOGGLE:
 633                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 634                 break;
 635
 636         case LFUN_READ_ONLY_TOGGLE:
 637                 flag.setOnOff(buf->isReadonly());
 638                 break;
 639         case LFUN_APPENDIX:
 640                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 641                 break;
 642         case LFUN_SWITCHBUFFER:
 643                 // toggle on the current buffer, but do not toggle off
 644                 // the other ones (is that a good idea?)
 645                 if (ev.argument == buf->fileName())
 646                         flag.setOnOff(true);
 647                 break;
 648         case LFUN_TRACK_CHANGES:
 649                 flag.setOnOff(buf->params.tracking_changes);
 650                 break;
 651         default:
 652                 break;
 653         }
 654
 655         // the font related toggles
 656         if (!mathcursor) {
 657                 LyXFont const & font = TEXT(false)->real_current_font;
 658                 switch (ev.action) {
 659                 case LFUN_EMPH:
 660                         flag.setOnOff(font.emph() == LyXFont::ON);
 661                         break;
 662                 case LFUN_NOUN:
 663                         flag.setOnOff(font.noun() == LyXFont::ON);
 664                         break;
 665                 case LFUN_BOLD:
 666                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 667                         break;
 668                 case LFUN_SANS:
 669                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 670                         break;
 671                 case LFUN_ROMAN:
 672                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 673                         break;
 674                 case LFUN_CODE:
 675                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 676                         break;
 677                 default:
 678                         break;
 679                 }
 680         } else {
 681                 string tc = mathcursor->getLastCode();
 682                 switch (ev.action) {
 683                 case LFUN_BOLD:
 684                         flag.setOnOff(tc == "mathbf");
 685                         break;
 686                 case LFUN_SANS:
 687                         flag.setOnOff(tc == "mathsf");
 688                         break;
 689                 case LFUN_EMPH:
 690                         flag.setOnOff(tc == "mathcal");
 691                         break;
 692                 case LFUN_ROMAN:
 693                         flag.setOnOff(tc == "mathrm");
 694                         break;
 695                 case LFUN_CODE:
 696                         flag.setOnOff(tc == "mathtt");
 697                         break;
 698                 case LFUN_NOUN:
 699                         flag.setOnOff(tc == "mathbb");
 700                         break;
 701                 case LFUN_DEFAULT:
 702                         flag.setOnOff(tc == "mathnormal");
 703                         break;
 704                 default:
 705                         break;
 706                 }
 707         }
 708
 709         // this one is difficult to get right. As a half-baked
 710         // solution, we consider only the first action of the sequence
 711         if (ev.action == LFUN_SEQUENCE) {
 712                 // argument contains ';'-terminated commands
 713                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 714         }
 715
 716         return flag;
 717 }
 718
 719
 720 void LyXFunc::dispatch(string const & s, bool verbose)
 721 {
 722         int const action = lyxaction.LookupFunc(s);
 723
 724         if (action == LFUN_UNKNOWN_ACTION) {
 725 #if USE_BOOST_FORMAT
 726 boost::format fmt(_("Unknown function (%1$s)"));
 727 fmt % s;
 728 owner->message(fmt.str());
 729 #else
 730                 string const msg = string(_("Unknown function ("))
 731                         + s + ')';
 732                 owner->message(msg);
 733 #endif
 734                 return;
 735         }
 736
 737         dispatch(action, verbose);
 738 }
 739
 740
 741 void LyXFunc::dispatch(int ac, bool verbose)
 742 {
 743         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 744 }
 745
 746
 747
 748 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 749 {
 750         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 751                               <<"] arg[" << ev.argument << ']' << endl;
 752
 753         // we have not done anything wrong yet.
 754         errorstat = false;
 755         dispatch_buffer.erase();
 756
 757 #ifdef NEW_DISPATCHER
 758         // We try do call the most specific dispatcher first:
 759         //  1. the lockinginset's dispatch
 760         //  2. the bufferview's dispatch
 761         //  3. the lyxview's dispatch
 762 #endif
 763
 764         selection_possible = false;
 765
 766         if (view()->available())
 767                 view()->hideCursor();
 768
 769         string argument = ev.argument;
 770         kb_action action = ev.action;
 771
 772         // We cannot use this function here
 773         if (getStatus(ev).disabled()) {
 774                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 775                        << lyxaction.getActionName(action)
 776                        << " [" << action << "] is disabled at this location"
 777                        << endl;
 778                 setErrorMessage(getStatusMessage());
 779                 goto exit_with_message;
 780         }
 781
 782         if (view()->available() && view()->theLockingInset()) {
 783                 Inset::RESULT result;
 784                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 785                                      (!keyseq.deleted())))
 786                 {
 787                         UpdatableInset * inset = view()->theLockingInset();
 788 #if 1
 789                         int inset_x;
 790                         int dummy_y;
 791                         inset->getCursorPos(view(), inset_x, dummy_y);
 792 #endif
 793                         if ((action == LFUN_UNKNOWN_ACTION)
 794                             && argument.empty()) {
 795                                 argument = encoded_last_key;
 796                         }
 797                         // Undo/Redo is a bit tricky for insets.
 798                         if (action == LFUN_UNDO) {
 799                                 view()->undo();
 800                                 goto exit_with_message;
 801                         } else if (action == LFUN_REDO) {
 802                                 view()->redo();
 803                                 goto exit_with_message;
 804                         } else if (((result=inset->
 805                                      // Hand-over to inset's own dispatch:
 806                                      localDispatch(FuncRequest(view(), action, argument))) ==
 807                                     DISPATCHED) ||
 808                                    (result == DISPATCHED_NOUPDATE))
 809                                 goto exit_with_message;
 810                                         // If UNDISPATCHED, just soldier on
 811                         else if (result == FINISHED) {
 812                                 goto exit_with_message;
 813                                 // We do not need special RTL handling here:
 814                                 // FINISHED means that the cursor should be
 815                                 // one position after the inset.
 816                         } else if (result == FINISHED_RIGHT) {
 817                                 TEXT()->cursorRight(view());
 818                                 moveCursorUpdate(true, false);
 819                                 owner->view_state_changed();
 820                                 goto exit_with_message;
 821                         } else if (result == FINISHED_UP) {
 822                                 if (TEXT()->cursor.irow()->previous()) {
 823 #if 1
 824                                         TEXT()->setCursorFromCoordinates(
 825                                                 view(), TEXT()->cursor.ix() + inset_x,
 826                                                 TEXT()->cursor.iy() -
 827                                                 TEXT()->cursor.irow()->baseline() - 1);
 828                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 829 #else
 830                                         TEXT()->cursorUp(view());
 831 #endif
 832                                         moveCursorUpdate(true, false);
 833                                         owner->view_state_changed();
 834                                 } else {
 835                                         view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 836                                 }
 837                                 goto exit_with_message;
 838                         } else if (result == FINISHED_DOWN) {
 839                                 if (TEXT()->cursor.irow()->next()) {
 840 #if 1
 841                                         TEXT()->setCursorFromCoordinates(
 842                                                 view(), TEXT()->cursor.ix() + inset_x,
 843                                                 TEXT()->cursor.iy() -
 844                                                 TEXT()->cursor.irow()->baseline() +
 845                                                 TEXT()->cursor.irow()->height() + 1);
 846                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 847 #else
 848                                         TEXT()->cursorDown(view());
 849 #endif
 850                                 } else {
 851                                         TEXT()->cursorRight(view());
 852                                 }
 853                                 moveCursorUpdate(true, false);
 854                                 owner->view_state_changed();
 855                                 goto exit_with_message;
 856                         }
 857 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 858                         else { // result == UNDISPATCHED
 859                                 //setMessage(N_("Text mode"));
 860                                 switch (action) {
 861                                 case LFUN_UNKNOWN_ACTION:
 862                                 case LFUN_BREAKPARAGRAPH:
 863                                 case LFUN_BREAKLINE:
 864                                         TEXT()->cursorRight(view());
 865                                         view()->switchKeyMap();
 866                                         owner->view_state_changed();
 867                                         break;
 868                                 case LFUN_RIGHT:
 869                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 870                                                 TEXT()->cursorRight(view());
 871                                                 moveCursorUpdate(true, false);
 872                                                 owner->view_state_changed();
 873                                         }
 874                                         goto exit_with_message;
 875                                 case LFUN_LEFT:
 876                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 877                                                 TEXT()->cursorRight(view());
 878                                                 moveCursorUpdate(true, false);
 879                                                 owner->view_state_changed();
 880                                         }
 881                                         goto exit_with_message;
 882                                 case LFUN_DOWN:
 883                                         if (TEXT()->cursor.row()->next())
 884                                                 TEXT()->cursorDown(view());
 885                                         else
 886                                                 TEXT()->cursorRight(view());
 887                                         moveCursorUpdate(true, false);
 888                                         owner->view_state_changed();
 889                                         goto exit_with_message;
 890                                 default:
 891                                         break;
 892                                 }
 893                         }
 894                 }
 895         }
 896
 897         switch (action) {
 898
 899         case LFUN_ESCAPE:
 900         {
 901                 if (!view()->available()) break;
 902                 // this function should be used always [asierra060396]
 903                 UpdatableInset * tli =
 904                         view()->theLockingInset();
 905                 if (tli) {
 906                         UpdatableInset * lock = tli->getLockingInset();
 907
 908                         if (tli == lock) {
 909                                 view()->unlockInset(tli);
 910                                 TEXT()->cursorRight(view());
 911                                 moveCursorUpdate(true, false);
 912                                 owner->view_state_changed();
 913                         } else {
 914                                 tli->unlockInsetInInset(view(),
 915                                                         lock,
 916                                                         true);
 917                         }
 918                         finishUndo();
 919                         // Tell the paragraph dialog that we changed paragraph
 920                         owner->getDialogs().updateParagraph();
 921                 }
 922         }
 923         break;
 924
 925                 // --- Misc -------------------------------------------
 926         case LFUN_WORDFINDFORWARD  :
 927         case LFUN_WORDFINDBACKWARD : {
 928                 static string last_search;
 929                 string searched_string;
 930
 931                 if (!argument.empty()) {
 932                         last_search = argument;
 933                         searched_string = argument;
 934                 } else {
 935                         searched_string = last_search;
 936                 }
 937                 bool fw = (action == LFUN_WORDFINDFORWARD);
 938                 if (!searched_string.empty()) {
 939                         lyxfind::LyXFind(view(), searched_string, fw);
 940                 }
 941 //              view()->showCursor();
 942         }
 943         break;
 944
 945         case LFUN_PREFIX:
 946         {
 947                 if (view()->available() && !view()->theLockingInset()) {
 948                         view()->update(TEXT(),
 949                                               BufferView::SELECT|BufferView::FITCUR);
 950                 }
 951                 owner->message(keyseq.printOptions());
 952         }
 953         break;
 954
 955         // --- Misc -------------------------------------------
 956         case LFUN_EXEC_COMMAND:
 957                 owner->focus_command_buffer();
 958                 break;
 959
 960         case LFUN_CANCEL:                   // RVDK_PATCH_5
 961                 keyseq.reset();
 962                 meta_fake_bit = key_modifier::none;
 963                 if (view()->available())
 964                         // cancel any selection
 965                         dispatch(LFUN_MARK_OFF);
 966                 setMessage(N_("Cancel"));
 967                 break;
 968
 969         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 970         {
 971                 meta_fake_bit = key_modifier::alt;
 972                 setMessage(keyseq.print());
 973         }
 974         break;
 975
 976         case LFUN_READ_ONLY_TOGGLE:
 977                 if (owner->buffer()->lyxvc.inUse()) {
 978                         owner->buffer()->lyxvc.toggleReadOnly();
 979                 } else {
 980                         owner->buffer()->setReadonly(
 981                                 !owner->buffer()->isReadonly());
 982                 }
 983                 break;
 984
 985         case LFUN_CENTER: // this is center and redraw.
 986                 view()->center();
 987                 break;
 988
 989                 // --- Menus -----------------------------------------------
 990         case LFUN_MENUNEW:
 991                 menuNew(argument, false);
 992                 break;
 993
 994         case LFUN_MENUNEWTMPLT:
 995                 menuNew(argument, true);
 996                 break;
 997
 998         case LFUN_CLOSEBUFFER:
 999                 closeBuffer();
1000                 break;
1001
1002         case LFUN_MENUWRITE:
1003                 if (!owner->buffer()->isUnnamed()) {
1004                         ostringstream s1;
1005 #if USE_BOOST_FORMAT
1006                         s1 << boost::format(_("Saving document %1$s..."))
1007                            % MakeDisplayPath(owner->buffer()->fileName());
1008 #else
1009                         s1 << _("Saving document ")
1010                            << MakeDisplayPath(owner->buffer()->fileName())
1011                            << _("...");
1012 #endif
1013                         owner->message(STRCONV(s1.str()));
1014                         MenuWrite(view(), owner->buffer());
1015                         s1 << _(" done.");
1016                         owner->message(STRCONV(s1.str()));
1017                 } else
1018                         WriteAs(view(), owner->buffer());
1019                 break;
1020
1021         case LFUN_WRITEAS:
1022                 WriteAs(view(), owner->buffer(), argument);
1023                 break;
1024
1025         case LFUN_MENURELOAD:
1026                 view()->reload();
1027                 break;
1028
1029         case LFUN_UPDATE:
1030                 Exporter::Export(owner->buffer(), argument, true);
1031                 break;
1032
1033         case LFUN_PREVIEW:
1034                 Exporter::Preview(owner->buffer(), argument);
1035                 break;
1036
1037         case LFUN_BUILDPROG:
1038                 Exporter::Export(owner->buffer(), "program", true);
1039                 break;
1040
1041         case LFUN_RUNCHKTEX:
1042                 MenuRunChktex(owner->buffer());
1043                 break;
1044
1045         case LFUN_MENUPRINT:
1046                 owner->getDialogs().showPrint();
1047                 break;
1048
1049         case LFUN_EXPORT:
1050                 if (argument == "custom")
1051                         owner->getDialogs().showSendto();
1052                 else
1053                         Exporter::Export(owner->buffer(), argument, false);
1054                 break;
1055
1056         case LFUN_IMPORT:
1057                 doImport(argument);
1058                 break;
1059
1060         case LFUN_QUIT:
1061                 QuitLyX();
1062                 break;
1063
1064         case LFUN_TOCVIEW:
1065         {
1066                 InsetCommandParams p("tableofcontents");
1067                 string const data = InsetCommandMailer::params2string("toc", p);
1068                 owner->getDialogs().show("toc", data, 0);
1069                 break;
1070         }
1071
1072         case LFUN_AUTOSAVE:
1073                 AutoSave(view());
1074                 break;
1075
1076         case LFUN_UNDO:
1077                 view()->undo();
1078                 break;
1079
1080         case LFUN_REDO:
1081                 view()->redo();
1082                 break;
1083
1084         case LFUN_MENUSEARCH:
1085                 owner->getDialogs().showSearch();
1086                 break;
1087
1088         case LFUN_REMOVEERRORS:
1089                 if (view()->removeAutoInsets()) {
1090 #warning repaint() or update() or nothing ?
1091                         view()->repaint();
1092                         view()->fitCursor();
1093                 }
1094                 break;
1095
1096         case LFUN_DEPTH_MIN:
1097                 changeDepth(view(), TEXT(false), -1);
1098                 break;
1099
1100         case LFUN_DEPTH_PLUS:
1101                 changeDepth(view(), TEXT(false), 1);
1102                 break;
1103
1104         case LFUN_FREEFONT_APPLY:
1105                 apply_freefont(view());
1106                 break;
1107
1108         case LFUN_FREEFONT_UPDATE:
1109                 update_and_apply_freefont(view(), argument);
1110                 break;
1111
1112         case LFUN_RECONFIGURE:
1113                 Reconfigure(view());
1114                 break;
1115
1116 #if 0
1117         case LFUN_FLOATSOPERATE:
1118                 if (argument == "openfoot")
1119                         view()->allFloats(1,0);
1120                 else if (argument == "closefoot")
1121                         view()->allFloats(0,0);
1122                 else if (argument == "openfig")
1123                         view()->allFloats(1,1);
1124                 else if (argument == "closefig")
1125                         view()->allFloats(0,1);
1126                 break;
1127 #else
1128 #ifdef WITH_WARNINGS
1129 //#warning Find another implementation here (or another lyxfunc)!
1130 #endif
1131 #endif
1132         case LFUN_HELP_ABOUTLYX:
1133                 owner->getDialogs().show("about");
1134                 break;
1135
1136         case LFUN_HELP_TEXINFO:
1137                 owner->getDialogs().showTexinfo();
1138                 break;
1139
1140         case LFUN_HELP_OPEN:
1141         {
1142                 string const arg = argument;
1143                 if (arg.empty()) {
1144                         setErrorMessage(N_("Missing argument"));
1145                         break;
1146                 }
1147                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1148                 if (fname.empty()) {
1149                         lyxerr << "LyX: unable to find documentation file `"
1150                                << arg << "'. Bad installation?" << endl;
1151                         break;
1152                 }
1153                 ostringstream str;
1154 #if USE_BOOST_FORMAT
1155                 str << boost::format(_("Opening help file %1$s..."))
1156                     % MakeDisplayPath(fname);
1157 #else
1158                 str << _("Opening help file ")
1159                     << MakeDisplayPath(fname) << _("...");
1160 #endif
1161                 owner->message(STRCONV(str.str()));
1162                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1163                 break;
1164         }
1165
1166                 // --- version control -------------------------------
1167         case LFUN_VC_REGISTER:
1168         {
1169                 if (!owner->buffer()->lyxvc.inUse())
1170                         owner->buffer()->lyxvc.registrer();
1171         }
1172         break;
1173
1174         case LFUN_VC_CHECKIN:
1175         {
1176                 if (owner->buffer()->lyxvc.inUse()
1177                     && !owner->buffer()->isReadonly())
1178                         owner->buffer()->lyxvc.checkIn();
1179         }
1180         break;
1181
1182         case LFUN_VC_CHECKOUT:
1183         {
1184                 if (owner->buffer()->lyxvc.inUse()
1185                     && owner->buffer()->isReadonly())
1186                         owner->buffer()->lyxvc.checkOut();
1187         }
1188         break;
1189
1190         case LFUN_VC_REVERT:
1191         {
1192                 owner->buffer()->lyxvc.revert();
1193         }
1194         break;
1195
1196         case LFUN_VC_UNDO:
1197         {
1198                 owner->buffer()->lyxvc.undoLast();
1199         }
1200         break;
1201
1202         case LFUN_VC_HISTORY:
1203         {
1204                 owner->getDialogs().showVCLogFile();
1205                 break;
1206         }
1207
1208         // --- buffers ----------------------------------------
1209
1210         case LFUN_SWITCHBUFFER:
1211                 view()->buffer(bufferlist.getBuffer(argument));
1212                 break;
1213
1214         case LFUN_FILE_NEW:
1215         {
1216                 // servercmd: argument must be <file>:<template>
1217                 Buffer * tmpbuf = NewFile(argument);
1218                 if (tmpbuf)
1219                         view()->buffer(tmpbuf);
1220         }
1221         break;
1222
1223         case LFUN_FILE_OPEN:
1224                 open(argument);
1225                 break;
1226
1227         case LFUN_LATEX_LOG:
1228                 owner->getDialogs().showLogFile();
1229                 break;
1230
1231         case LFUN_LAYOUT_DOCUMENT:
1232                 owner->getDialogs().showDocument();
1233                 break;
1234
1235         case LFUN_LAYOUT_PARAGRAPH:
1236                 owner->getDialogs().showParagraph();
1237                 break;
1238
1239         case LFUN_LAYOUT_CHARACTER: {
1240                 string data = freefont2string();
1241                 if (!data.empty())
1242                         owner->getDialogs().show("character", data);
1243                 break;
1244         }
1245
1246         case LFUN_LAYOUT_TABULAR:
1247             if (view()->theLockingInset()) {
1248                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1249                     InsetTabular * inset = static_cast<InsetTabular *>
1250                         (view()->theLockingInset());
1251                     inset->openLayoutDialog(view());
1252                 } else if (view()->theLockingInset()->
1253                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1254                     InsetTabular * inset = static_cast<InsetTabular *>(
1255                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1256                     inset->openLayoutDialog(view());
1257                 }
1258             }
1259             break;
1260
1261         case LFUN_LAYOUT_PREAMBLE:
1262                 owner->getDialogs().showPreamble();
1263                 break;
1264
1265         case LFUN_DROP_LAYOUTS_CHOICE:
1266                 owner->getToolbar().openLayoutList();
1267                 break;
1268
1269         case LFUN_MENU_OPEN_BY_NAME:
1270                 owner->getMenubar().openByName(argument);
1271                 break; // RVDK_PATCH_5
1272
1273         case LFUN_SPELLCHECK:
1274                 owner->getDialogs().showSpellchecker();
1275                 break;
1276
1277         // --- lyxserver commands ----------------------------
1278
1279
1280         case LFUN_GETNAME:
1281                 setMessage(owner->buffer()->fileName());
1282                 lyxerr[Debug::INFO] << "FNAME["
1283                                << owner->buffer()->fileName()
1284                                << "] " << endl;
1285                 break;
1286
1287         case LFUN_NOTIFY:
1288         {
1289                 dispatch_buffer = keyseq.print();
1290                 lyxserver->notifyClient(dispatch_buffer);
1291         }
1292         break;
1293
1294         case LFUN_GOTOFILEROW:
1295         {
1296                 string file_name;
1297                 int row;
1298                 istringstream istr(argument.c_str());
1299                 istr >> file_name >> row;
1300                 // Must replace extension of the file to be .lyx and get full path
1301                 string const s(ChangeExtension(file_name, ".lyx"));
1302
1303                 // Either change buffer or load the file
1304                 if (bufferlist.exists(s)) {
1305                         view()->buffer(bufferlist.getBuffer(s));
1306                 } else {
1307                         view()->buffer(bufferlist.loadLyXFile(s));
1308                 }
1309
1310                 view()->setCursorFromRow(row);
1311
1312                 view()->center();
1313                 // see BufferView_pimpl::center()
1314                 view()->updateScrollbar();
1315         }
1316         break;
1317
1318         case LFUN_GOTO_PARAGRAPH:
1319         {
1320                 istringstream istr(argument.c_str());
1321
1322                 int id;
1323                 istr >> id;
1324                 Paragraph * par = owner->buffer()->getParFromID(id);
1325                 if (par == 0) {
1326                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1327                                             << id << ']' << endl;
1328                         break;
1329                 } else {
1330                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1331                                             << " found." << endl;
1332                 }
1333
1334                 if (view()->theLockingInset())
1335                         view()->unlockInset(view()->theLockingInset());
1336                 if (par->inInset()) {
1337                         par->inInset()->edit(view());
1338                 }
1339                 // Set the cursor
1340                 view()->getLyXText()->setCursor(view(), par, 0);
1341                 view()->switchKeyMap();
1342                 owner->view_state_changed();
1343
1344                 view()->center();
1345                 // see BufferView_pimpl::center()
1346                 view()->updateScrollbar();
1347         }
1348         break;
1349
1350         case LFUN_APROPOS:
1351         case LFUN_GETTIP:
1352         {
1353                 int const qa = lyxaction.LookupFunc(argument);
1354                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1355         }
1356         break;
1357
1358         // --- insert characters ----------------------------------------
1359
1360         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1361         case LFUN_MATH_EXTERN:
1362         case LFUN_MATH_NUMBER:
1363         case LFUN_MATH_NONUMBER:
1364         case LFUN_MATH_LIMITS:
1365         {
1366                 setErrorMessage(N_("This is only allowed in math mode!"));
1367         }
1368         break;
1369
1370         // passthrough hat and underscore outside mathed:
1371         case LFUN_SUBSCRIPT:
1372                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1373                 break;
1374         case LFUN_SUPERSCRIPT:
1375                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1376                 break;
1377
1378         case LFUN_MATH_PANEL:
1379                 owner->getDialogs().showMathPanel();
1380                 break;
1381
1382         case LFUN_DIALOG_SHOW_NEW_INSET: {
1383                 string const & name = argument;
1384                 string data;
1385                 if (name == "bibitem" ||
1386                     name == "bibtex" ||
1387                     name == "include" ||
1388                     name == "index" ||
1389                     name == "ref" ||
1390                     name == "toc" ||
1391                     name == "url") {
1392                         InsetCommandParams p(name);
1393                         data = InsetCommandMailer::params2string(name, p);
1394                 } else if (name == "citation") {
1395                         InsetCommandParams p("cite");
1396                         data = InsetCommandMailer::params2string(name, p);
1397                 }
1398                 owner->getDialogs().show(name, data, 0);
1399         }
1400         break;
1401
1402         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1403         }
1404         break;
1405
1406         case LFUN_DIALOG_UPDATE: {
1407                 string const & name = argument;
1408                 // Can only update a dialog connected to an existing inset
1409                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1410                 if (inset) {
1411                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1412                                        ev.argument);
1413                         inset->localDispatch(fr);
1414                 }
1415         }
1416         break;
1417
1418         case LFUN_DIALOG_HIDE:
1419                 Dialogs::hide(argument, 0);
1420                 break;
1421
1422         case LFUN_DIALOG_DISCONNECT_INSET:
1423                 owner->getDialogs().disconnect(argument);
1424                 break;
1425
1426         case LFUN_CHILDOPEN:
1427         {
1428                 string const filename =
1429                         MakeAbsPath(argument,
1430                                     owner->buffer()->filePath());
1431                 setMessage(N_("Opening child document ") +
1432                            MakeDisplayPath(filename) + "...");
1433                 view()->savePosition(0);
1434                 if (bufferlist.exists(filename))
1435                         view()->buffer(bufferlist.getBuffer(filename));
1436                 else
1437                         view()->buffer(bufferlist.loadLyXFile(filename));
1438         }
1439         break;
1440
1441         case LFUN_TOGGLECURSORFOLLOW:
1442                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1443                 break;
1444
1445         case LFUN_KMAP_OFF:
1446                 owner->getIntl().KeyMapOn(false);
1447                 break;
1448
1449         case LFUN_KMAP_PRIM:
1450                 owner->getIntl().KeyMapPrim();
1451                 break;
1452
1453         case LFUN_KMAP_SEC:
1454                 owner->getIntl().KeyMapSec();
1455                 break;
1456
1457         case LFUN_KMAP_TOGGLE:
1458                 owner->getIntl().ToggleKeyMap();
1459                 break;
1460
1461         case LFUN_SEQUENCE:
1462         {
1463                 // argument contains ';'-terminated commands
1464                 while (!argument.empty()) {
1465                         string first;
1466                         argument = split(argument, first, ';');
1467                         dispatch(first);
1468                 }
1469         }
1470         break;
1471
1472         case LFUN_DIALOG_PREFERENCES:
1473                 owner->getDialogs().showPreferences();
1474                 break;
1475
1476         case LFUN_SAVEPREFERENCES:
1477         {
1478                 Path p(user_lyxdir);
1479                 lyxrc.write("preferences");
1480         }
1481         break;
1482
1483         case LFUN_SCREEN_FONT_UPDATE:
1484         {
1485                 // handle the screen font changes.
1486                 lyxrc.set_font_norm_type();
1487                 lyx_gui::update_fonts();
1488                 // We also need to empty the textcache so that
1489                 // the buffer will be formatted correctly after
1490                 // a zoom change.
1491                 textcache.clear();
1492                 // Of course we should only do the resize and the textcache.clear
1493                 // if values really changed...but not very important right now. (Lgb)
1494                 // All visible buffers will need resize
1495                 view()->resize();
1496                 view()->repaint();
1497         }
1498         break;
1499
1500         case LFUN_SET_COLOR:
1501         {
1502                 string lyx_name;
1503                 string const x11_name = split(argument, lyx_name, ' ');
1504                 if (lyx_name.empty() || x11_name.empty()) {
1505                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1506                                                 " <x11_name>"));
1507                         break;
1508                         }
1509
1510                 bool const graphicsbg_changed =
1511                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1512                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1513
1514                 if (!lcolor.setColor(lyx_name, x11_name)) {
1515 #if USE_BOOST_FORMAT
1516                         setErrorMessage(
1517                                 boost::io::str(
1518                                         boost::format(
1519                                                 _("Set-color \"%1$s\" failed "
1520                                                   "- color is undefined or "
1521                                                   "may not be redefined"))
1522                                         % lyx_name));
1523 #else
1524                         setErrorMessage(_("Set-color ") + lyx_name
1525                                         + _(" failed - color is undefined"
1526                                             " or may not be redefined"));
1527 #endif
1528
1529                         break;
1530                 }
1531
1532                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1533
1534                 if (graphicsbg_changed) {
1535 #ifdef WITH_WARNINGS
1536 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1537 #endif
1538 #if 0
1539                         grfx::GCache & gc = grfx::GCache::get();
1540                         gc.changeDisplay(true);
1541 #endif
1542                 }
1543
1544                 view()->repaint();
1545                 break;
1546         }
1547
1548         case LFUN_MESSAGE:
1549                 owner->message(argument);
1550                 break;
1551
1552         case LFUN_FORKS_SHOW:
1553                 owner->getDialogs().showForks();
1554                 break;
1555
1556         case LFUN_FORKS_KILL:
1557         {
1558                 if (!isStrInt(argument))
1559                         break;
1560
1561                 pid_t const pid = strToInt(argument);
1562                 ForkedcallsController & fcc = ForkedcallsController::get();
1563                 fcc.kill(pid);
1564                 break;
1565         }
1566
1567         case LFUN_TOOLTIPS_TOGGLE:
1568                 owner->getDialogs().toggleTooltips();
1569                 break;
1570
1571         default:
1572                 // Then if it was none of the above
1573                 // Trying the BufferView::pimpl dispatch:
1574                 if (!view()->dispatch(ev))
1575                         lyxerr << "A truly unknown func ["
1576                                << lyxaction.getActionName(ev.action) << "]!"
1577                                << endl;
1578                 break;
1579         } // end of switch
1580
1581 exit_with_message:
1582         sendDispatchMessage(getMessage(), ev, verbose);
1583 }
1584
1585
1586 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1587 {
1588         owner->updateMenubar();
1589         owner->updateToolbar();
1590
1591         if (ev.action == LFUN_SELFINSERT || !verbose) {
1592                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1593                 if (!msg.empty())
1594                         owner->message(msg);
1595                 return;
1596         }
1597
1598         string dispatch_msg = msg;
1599         if (!dispatch_msg.empty())
1600                 dispatch_msg += ' ';
1601
1602         string comname = lyxaction.getActionName(ev.action);
1603
1604         int pseudoaction = ev.action;
1605         bool argsadded = false;
1606
1607         if (!ev.argument.empty()) {
1608                 // the pseudoaction is useful for the bindings
1609                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1610
1611                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1612                         pseudoaction = ev.action;
1613                 } else {
1614                         comname += ' ' + ev.argument;
1615                         argsadded = true;
1616                 }
1617         }
1618
1619         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1620
1621         if (!shortcuts.empty()) {
1622                 comname += ": " + shortcuts;
1623         } else if (!argsadded && !ev.argument.empty()) {
1624                 comname += ' ' + ev.argument;
1625         }
1626
1627         if (!comname.empty()) {
1628                 comname = rtrim(comname);
1629                 dispatch_msg += '(' + comname + ')';
1630         }
1631
1632         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1633         if (!dispatch_msg.empty())
1634                 owner->message(dispatch_msg);
1635 }
1636
1637
1638 void LyXFunc::setupLocalKeymap()
1639 {
1640         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1641         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1642 }
1643
1644
1645 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1646 {
1647         string initpath = lyxrc.document_path;
1648         string filename(name);
1649
1650         if (view()->available()) {
1651                 string const trypath = owner->buffer()->filePath();
1652                 // If directory is writeable, use this as default.
1653                 if (IsDirWriteable(trypath))
1654                         initpath = trypath;
1655         }
1656
1657         static int newfile_number;
1658
1659         if (filename.empty()) {
1660                 filename = AddName(lyxrc.document_path,
1661                             "newfile" + tostr(++newfile_number) + ".lyx");
1662                 FileInfo fi(filename);
1663                 while (bufferlist.exists(filename) || fi.readable()) {
1664                         ++newfile_number;
1665                         filename = AddName(lyxrc.document_path,
1666                                     "newfile" + tostr(newfile_number) +
1667                                     ".lyx");
1668                         fi.newFile(filename);
1669                 }
1670         }
1671
1672         // The template stuff
1673         string templname;
1674         if (fromTemplate) {
1675                 FileDialog fileDlg(_("Select template file"),
1676                         LFUN_SELECT_FILE_SYNC,
1677                         make_pair(string(_("Documents|#o#O")),
1678                                   string(lyxrc.document_path)),
1679                         make_pair(string(_("Templates|#T#t")),
1680                                   string(lyxrc.template_path)));
1681
1682                 FileDialog::Result result =
1683                         fileDlg.open(lyxrc.template_path,
1684                                        _("*.lyx| LyX Documents (*.lyx)"));
1685
1686                 if (result.first == FileDialog::Later)
1687                         return;
1688
1689                 string const fname = result.second;
1690
1691                 if (fname.empty())
1692                         return;
1693                 templname = fname;
1694         }
1695
1696         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1697 }
1698
1699
1700 void LyXFunc::open(string const & fname)
1701 {
1702         string initpath = lyxrc.document_path;
1703
1704         if (view()->available()) {
1705                 string const trypath = owner->buffer()->filePath();
1706                 // If directory is writeable, use this as default.
1707                 if (IsDirWriteable(trypath))
1708                         initpath = trypath;
1709         }
1710
1711         string filename;
1712
1713         if (fname.empty()) {
1714                 FileDialog fileDlg(_("Select document to open"),
1715                         LFUN_FILE_OPEN,
1716                         make_pair(string(_("Documents|#o#O")),
1717                                   string(lyxrc.document_path)),
1718                         make_pair(string(_("Examples|#E#e")),
1719                                   string(AddPath(system_lyxdir, "examples"))));
1720
1721                 FileDialog::Result result =
1722                         fileDlg.open(initpath,
1723                                        _("*.lyx| LyX Documents (*.lyx)"));
1724
1725                 if (result.first == FileDialog::Later)
1726                         return;
1727
1728                 filename = result.second;
1729
1730                 // check selected filename
1731                 if (filename.empty()) {
1732                         owner->message(_("Canceled."));
1733                         return;
1734                 }
1735         } else
1736                 filename = fname;
1737
1738         // get absolute path of file and add ".lyx" to the filename if
1739         // necessary
1740         string const fullpath = FileSearch(string(), filename, "lyx");
1741         if (!fullpath.empty()) {
1742                 filename = fullpath;
1743         }
1744
1745         string const disp_fn(MakeDisplayPath(filename));
1746
1747         // if the file doesn't exist, let the user create one
1748         FileInfo const f(filename, true);
1749         if (!f.exist()) {
1750                 if (!Alert::askQuestion(_("No such file"), disp_fn,
1751                         _("Start a new document with this filename ?"))) {
1752                         owner->message(_("Canceled."));
1753                         return;
1754                 }
1755                 // the user specifically chose this name. Believe them.
1756                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1757                 view()->buffer(buffer);
1758                 return;
1759         }
1760
1761         ostringstream str;
1762 #if USE_BOOST_FORMAT
1763         str << boost::format(_("Opening document %1$s...")) % disp_fn;
1764 #else
1765         str << _("Opening document ") << disp_fn << _("...");
1766 #endif
1767
1768         owner->message(STRCONV(str.str()));
1769
1770         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1771         ostringstream str2;
1772         if (openbuf) {
1773                 view()->buffer(openbuf);
1774 #if USE_BOOST_FORMAT
1775                 str2 << boost::format(_("Document %1$s opened.")) % disp_fn;
1776 #else
1777                 str2 << _("Document ") << disp_fn << _(" opened.");
1778 #endif
1779         } else {
1780 #if USE_BOOST_FORMAT
1781                 str2 << boost::format(_("Could not open document %1$s"))
1782                         % disp_fn;
1783 #else
1784                 str2 << _("Could not open document ") << disp_fn;
1785 #endif
1786         }
1787         owner->message(STRCONV(str2.str()));
1788 }
1789
1790
1791 void LyXFunc::doImport(string const & argument)
1792 {
1793         string format;
1794         string filename = split(argument, format, ' ');
1795
1796         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1797                             << " file: " << filename << endl;
1798
1799         // need user interaction
1800         if (filename.empty()) {
1801                 string initpath = lyxrc.document_path;
1802
1803                 if (view()->available()) {
1804                         string const trypath = owner->buffer()->filePath();
1805                         // If directory is writeable, use this as default.
1806                         if (IsDirWriteable(trypath))
1807                                 initpath = trypath;
1808                 }
1809
1810 #if USE_BOOST_FORMAT
1811                 boost::format fmt(_("Select %1$s file to import"));
1812                 fmt % formats.prettyName(format);
1813                 string const text = fmt.str();
1814 #else
1815                 string const text = _("Select ") + formats.prettyName(format)
1816                         + _(" file to import");;
1817 #endif
1818
1819                 FileDialog fileDlg(text,
1820                         LFUN_IMPORT,
1821                         make_pair(string(_("Documents|#o#O")),
1822                                   string(lyxrc.document_path)),
1823                         make_pair(string(_("Examples|#E#e")),
1824                                   string(AddPath(system_lyxdir, "examples"))));
1825
1826                 string const extension = "*." + formats.extension(format)
1827                         + "| " + formats.prettyName(format)
1828                         + " (*." + formats.extension(format) + ')';
1829
1830                 FileDialog::Result result = fileDlg.open(initpath,
1831                                                            extension);
1832
1833                 if (result.first == FileDialog::Later)
1834                         return;
1835
1836                 filename = result.second;
1837
1838                 // check selected filename
1839                 if (filename.empty())
1840                         owner->message(_("Canceled."));
1841         }
1842
1843         if (filename.empty())
1844                 return;
1845
1846         // get absolute path of file
1847         filename = MakeAbsPath(filename);
1848
1849         string const lyxfile = ChangeExtension(filename, ".lyx");
1850
1851         // Check if the document already is open
1852         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1853                 switch (Alert::askConfirmation(_("Document is already open:"),
1854                                         MakeDisplayPath(lyxfile, 50),
1855                                         _("Do you want to close that document now?\n"
1856                                           "('No' will just switch to the open version)")))
1857                         {
1858                         case 1:
1859                                 // If close is canceled, we cancel here too.
1860                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1861                                         return;
1862                                 break;
1863                         case 2:
1864                                 view()->buffer(bufferlist.getBuffer(lyxfile));
1865                                 return;
1866                         case 3:
1867                                 owner->message(_("Canceled."));
1868                                 return;
1869                         }
1870         }
1871
1872         // if the file exists already, and we didn't do
1873         // -i lyx thefile.lyx, warn
1874         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1875                 if (!Alert::askQuestion(_("A document by the name"),
1876                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1877                         owner->message(_("Canceled."));
1878                         return;
1879                 }
1880         }
1881
1882         Importer::Import(owner, filename, format);
1883 }
1884
1885
1886 void LyXFunc::closeBuffer()
1887 {
1888         if (bufferlist.close(owner->buffer()) && !quitting) {
1889                 if (bufferlist.empty()) {
1890                         // need this otherwise SEGV may occur while trying to
1891                         // set variables that don't exist
1892                         // since there's no current buffer
1893                         owner->getDialogs().hideBufferDependent();
1894                 } else {
1895                         view()->buffer(bufferlist.first());
1896                 }
1897         }
1898 }
1899
1900
1901 // Each "owner" should have it's own message method. lyxview and
1902 // the minibuffer would use the minibuffer, but lyxserver would
1903 // send an ERROR signal to its client.  Alejandro 970603
1904 // This func is bit problematic when it comes to NLS, to make the
1905 // lyx servers client be language indepenent we must not translate
1906 // strings sent to this func.
1907 void LyXFunc::setErrorMessage(string const & m) const
1908 {
1909         dispatch_buffer = m;
1910         errorstat = true;
1911 }
1912
1913
1914 void LyXFunc::setMessage(string const & m) const
1915 {
1916         dispatch_buffer = m;
1917 }
1918
1919
1920 void LyXFunc::setStatusMessage(string const & m) const
1921 {
1922         status_buffer = m;
1923 }
1924
1925
1926 string const LyXFunc::view_status_message()
1927 {
1928         // When meta-fake key is pressed, show the key sequence so far + "M-".
1929         if (wasMetaKey()) {
1930                 return keyseq.print() + "M-";
1931         }
1932
1933         // Else, when a non-complete key sequence is pressed,
1934         // show the available options.
1935         if (keyseq.length() > 0 && !keyseq.deleted()) {
1936                 return keyseq.printOptions();
1937         }
1938
1939         if (!view()->available())
1940                 return _("Welcome to LyX!");
1941
1942         return currentState(view());
1943 }
1944
1945
1946 BufferView * LyXFunc::view() const
1947 {
1948         lyx::Assert(owner);
1949         return owner->view().get();
1950 }