src/Text3.cpp

   1 /**
   2  * \file text3.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "Text.h"
  19
  20 #include "Bidi.h"
  21 #include "BranchList.h"
  22 #include "FloatList.h"
  23 #include "FuncStatus.h"
  24 #include "Buffer.h"
  25 #include "buffer_funcs.h"
  26 #include "BufferParams.h"
  27 #include "BufferView.h"
  28 #include "Cursor.h"
  29 #include "CutAndPaste.h"
  30 #include "support/debug.h"
  31 #include "DispatchResult.h"
  32 #include "ErrorList.h"
  33 #include "factory.h"
  34 #include "FuncRequest.h"
  35 #include "support/gettext.h"
  36 #include "InsetList.h"
  37 #include "Intl.h"
  38 #include "Language.h"
  39 #include "Layout.h"
  40 #include "LyXAction.h"
  41 #include "LyXFunc.h"
  42 #include "Lexer.h"
  43 #include "LyXRC.h"
  44 #include "Paragraph.h"
  45 #include "paragraph_funcs.h"
  46 #include "ParagraphParameters.h"
  47 #include "ParIterator.h"
  48 #include "TextClass.h"
  49 #include "TextMetrics.h"
  50 #include "VSpace.h"
  51
  52 #include "frontends/Clipboard.h"
  53 #include "frontends/Selection.h"
  54
  55 #include "insets/InsetCollapsable.h"
  56 #include "insets/InsetCommand.h"
  57 #include "insets/InsetFloatList.h"
  58 #include "insets/InsetNewline.h"
  59 #include "insets/InsetQuotes.h"
  60 #include "insets/InsetSpecialChar.h"
  61 #include "insets/InsetText.h"
  62 #include "insets/InsetInfo.h"
  63
  64 #include "support/lstrings.h"
  65 #include "support/lyxlib.h"
  66 #include "support/convert.h"
  67 #include "support/lyxtime.h"
  68
  69 #include "mathed/InsetMathHull.h"
  70 #include "mathed/MathMacroTemplate.h"
  71
  72 #include <boost/next_prior.hpp>
  73
  74 #include <clocale>
  75 #include <sstream>
  76
  77 using std::endl;
  78 using std::string;
  79 using std::istringstream;
  80 using std::ostringstream;
  81
  82 namespace lyx {
  83
  84 using cap::copySelection;
  85 using cap::cutSelection;
  86 using cap::pasteFromStack;
  87 using cap::pasteClipboard;
  88 using cap::replaceSelection;
  89
  90 using support::isStrUnsignedInt;
  91 using support::token;
  92
  93 // globals...
  94 static Font freefont(ignore_font, ignore_language);
  95 static bool toggleall = false;
  96
  97 static void toggleAndShow(Cursor & cur, Text * text,
  98         Font const & font, bool toggleall = true)
  99 {
 100         text->toggleFree(cur, font, toggleall);
 101
 102         if (font.language() != ignore_language ||
 103             font.fontInfo().number() != FONT_IGNORE) {
 104                 TextMetrics const & tm = cur.bv().textMetrics(text);
 105                 if (cur.boundary() != tm.isRTLBoundary(cur.pit(), cur.pos(),
 106                                                        cur.real_current_font))
 107                         text->setCursor(cur, cur.pit(), cur.pos(),
 108                                         false, !cur.boundary());
 109         }
 110 }
 111
 112
 113 static void moveCursor(Cursor & cur, bool selecting)
 114 {
 115         if (selecting || cur.mark())
 116                 cur.setSelection();
 117 }
 118
 119
 120 static void finishChange(Cursor & cur, bool selecting)
 121 {
 122         cur.finishUndo();
 123         moveCursor(cur, selecting);
 124 }
 125
 126
 127 static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 128 {
 129         cur.recordUndo();
 130         docstring sel = cur.selectionAsString(false);
 131
 132         // It may happen that sel is empty but there is a selection
 133         replaceSelection(cur);
 134
 135         if (sel.empty()) {
 136 #ifdef ENABLE_ASSERTIONS
 137                 const int old_pos = cur.pos();
 138 #endif
 139                 cur.insert(new InsetMathHull(hullSimple));
 140                 BOOST_ASSERT(old_pos == cur.pos());
 141                 cur.nextInset()->edit(cur, true);
 142                 // don't do that also for LFUN_MATH_MODE
 143                 // unless you want end up with always changing
 144                 // to mathrm when opening an inlined inset --
 145                 // I really hate "LyXfunc overloading"...
 146                 if (display)
 147                         cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 148                 // Avoid an unnecessary undo step if cmd.argument
 149                 // is empty
 150                 if (!cmd.argument().empty())
 151                         cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 152                                                  cmd.argument()));
 153         } else {
 154                 // create a macro if we see "\\newcommand"
 155                 // somewhere, and an ordinary formula
 156                 // otherwise
 157                 if (sel.find(from_ascii("\\newcommand")) == string::npos
 158                                 && sel.find(from_ascii("\\def")) == string::npos)
 159                 {
 160                         InsetMathHull * formula = new InsetMathHull;
 161                         istringstream is(to_utf8(sel));
 162                         Lexer lex(0, 0);
 163                         lex.setStream(is);
 164                         formula->read(cur.buffer(), lex);
 165                         if (formula->getType() == hullNone)
 166                                 // Don't create pseudo formulas if
 167                                 // delimiters are left out
 168                                 formula->mutate(hullSimple);
 169                         cur.insert(formula);
 170                 } else {
 171                         cur.insert(new MathMacroTemplate(sel));
 172                 }
 173         }
 174         cur.message(from_utf8(N_("Math editor mode")));
 175 }
 176
 177
 178 static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 179 {
 180         cur.recordUndo();
 181         cap::replaceSelection(cur);
 182         cur.insert(new InsetSpecialChar(kind));
 183         cur.posForward();
 184 }
 185
 186
 187 static bool doInsertInset(Cursor & cur, Text * text,
 188         FuncRequest const & cmd, bool edit, bool pastesel)
 189 {
 190         Inset * inset = createInset(cur.bv().buffer(), cmd);
 191         if (!inset)
 192                 return false;
 193
 194         if (InsetCollapsable * ci = inset->asInsetCollapsable())
 195                 ci->setLayout(cur.bv().buffer().params());
 196
 197         cur.recordUndo();
 198         if (cmd.action == LFUN_INDEX_INSERT) {
 199                 docstring ds = support::subst(text->getStringToIndex(cur), '\n', ' ');
 200                 text->insertInset(cur, inset);
 201                 if (edit)
 202                         inset->edit(cur, true);
 203                 // Now put this into inset
 204                 static_cast<InsetCollapsable *>(inset)->text_.insertStringAsParagraphs(cur, ds);
 205         } else {
 206                 bool gotsel = false;
 207                 if (cur.selection()) {
 208                         lyx::dispatch(FuncRequest(LFUN_CUT));
 209                         gotsel = true;
 210                 }
 211                 text->insertInset(cur, inset);
 212
 213                 if (edit)
 214                         inset->edit(cur, true);
 215
 216                 if (gotsel && pastesel) {
 217                         lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 218                         InsetText * insetText = dynamic_cast<InsetText *>(inset);
 219                         if (insetText && !insetText->allowMultiPar()
 220                             || cur.lastpit() == 0) {
 221                                 // reset first par to default
 222                                 LayoutPtr const layout =
 223                                         cur.buffer().params().getTextClass().defaultLayout();
 224                                 cur.text()->paragraphs().begin()->layout(layout);
 225                                 cur.pos() = 0;
 226                                 cur.pit() = 0;
 227                                 // Merge multiple paragraphs -- hack
 228                                 while (cur.lastpit() > 0) {
 229                                         mergeParagraph(cur.buffer().params(),
 230                                                 cur.text()->paragraphs(), 0);
 231                                 }
 232                         } else {
 233                                 // reset surrounding par to default
 234                                 docstring const layoutname =
 235                                         cur.buffer().params().getTextClass().defaultLayoutName();
 236                                 cur.leaveInset(*inset);
 237                                 text->setLayout(cur, layoutname);
 238                         }
 239                 }
 240         }
 241         return true;
 242 }
 243
 244
 245 string const freefont2string()
 246 {
 247         return freefont.toString(toggleall);
 248 }
 249
 250
 251 /// the type of outline operation
 252 enum OutlineOp {
 253         OutlineUp, // Move this header with text down
 254         OutlineDown,   // Move this header with text up
 255         OutlineIn, // Make this header deeper
 256         OutlineOut // Make this header shallower
 257 };
 258
 259
 260 static void outline(OutlineOp mode, Cursor & cur)
 261 {
 262         Buffer & buf = cur.buffer();
 263         pit_type & pit = cur.pit();
 264         ParagraphList & pars = buf.text().paragraphs();
 265         ParagraphList::iterator bgn = pars.begin();
 266         // The first paragraph of the area to be copied:
 267         ParagraphList::iterator start = boost::next(bgn, pit);
 268         // The final paragraph of area to be copied:
 269         ParagraphList::iterator finish = start;
 270         ParagraphList::iterator end = pars.end();
 271
 272         TextClass::const_iterator lit =
 273                 buf.params().getTextClass().begin();
 274         TextClass::const_iterator const lend =
 275                 buf.params().getTextClass().end();
 276
 277         int const thistoclevel = start->layout()->toclevel;
 278         int toclevel;
 279         switch (mode) {
 280                 case OutlineUp: {
 281                         // Move out (down) from this section header
 282                         if (finish != end)
 283                                 ++finish;
 284                         // Seek the one (on same level) below
 285                         for (; finish != end; ++finish) {
 286                                 toclevel = finish->layout()->toclevel;
 287                                 if (toclevel != Layout::NOT_IN_TOC
 288                                     && toclevel <= thistoclevel) {
 289                                         break;
 290                                 }
 291                         }
 292                         ParagraphList::iterator dest = start;
 293                         // Move out (up) from this header
 294                         if (dest == bgn)
 295                                 break;
 296                         // Search previous same-level header above
 297                         do {
 298                                 --dest;
 299                                 toclevel = dest->layout()->toclevel;
 300                         } while(dest != bgn
 301                                 && (toclevel == Layout::NOT_IN_TOC
 302                                     || toclevel > thistoclevel));
 303                         // Not found; do nothing
 304                         if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
 305                                 break;
 306                         pit_type const newpit = std::distance(bgn, dest);
 307                         pit_type const len = std::distance(start, finish);
 308                         pit_type const deletepit = pit + len;
 309                         buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
 310                         pars.insert(dest, start, finish);
 311                         start = boost::next(pars.begin(), deletepit);
 312                         pit = newpit;
 313                         pars.erase(start, finish);
 314                         break;
 315                 }
 316                 case OutlineDown: {
 317                         // Go down out of current header:
 318                         if (finish != end)
 319                                 ++finish;
 320                         // Find next same-level header:
 321                         for (; finish != end; ++finish) {
 322                                 toclevel = finish->layout()->toclevel;
 323                                 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 324                                         break;
 325                         }
 326                         ParagraphList::iterator dest = finish;
 327                         // Go one down from *this* header:
 328                         if (dest != end)
 329                                 ++dest;
 330                         else
 331                                 break;
 332                         // Go further down to find header to insert in front of:
 333                         for (; dest != end; ++dest) {
 334                                 toclevel = dest->layout()->toclevel;
 335                                 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 336                                         break;
 337                         }
 338                         // One such was found:
 339                         pit_type newpit = std::distance(bgn, dest);
 340                         pit_type const len = std::distance(start, finish);
 341                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
 342                         pars.insert(dest, start, finish);
 343                         start = boost::next(bgn, pit);
 344                         pit = newpit - len;
 345                         pars.erase(start, finish);
 346                         break;
 347                 }
 348                 case OutlineIn:
 349                         buf.undo().recordUndo(cur);
 350                         for (; lit != lend; ++lit) {
 351                                 if ((*lit)->toclevel == thistoclevel + 1 &&
 352                                     start->layout()->labeltype == (*lit)->labeltype) {
 353                                         start->layout((*lit));
 354                                         break;
 355                                 }
 356                         }
 357                         break;
 358                 case OutlineOut:
 359                         buf.undo().recordUndo(cur);
 360                         for (; lit != lend; ++lit) {
 361                                 if ((*lit)->toclevel == thistoclevel - 1 &&
 362                                     start->layout()->labeltype == (*lit)->labeltype) {
 363                                         start->layout((*lit));
 364                                         break;
 365                                 }
 366                         }
 367                         break;
 368                 default:
 369                         break;
 370         }
 371 }
 372
 373
 374 void Text::number(Cursor & cur)
 375 {
 376         FontInfo font = ignore_font;
 377         font.setNumber(FONT_TOGGLE);
 378         toggleAndShow(cur, this, Font(font));
 379 }
 380
 381
 382 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 383 {
 384         return par.isRTL(buffer.params());
 385 }
 386
 387
 388 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 389 {
 390         LYXERR(Debug::ACTION, "Text::dispatch: cmd: " << cmd);
 391
 392         // FIXME: We use the update flag to indicates wether a singlePar or a
 393         // full screen update is needed. We reset it here but shall we restore it
 394         // at the end?
 395         cur.noUpdate();
 396
 397         BOOST_ASSERT(cur.text() == this);
 398         BufferView * bv = &cur.bv();
 399         TextMetrics & tm = cur.bv().textMetrics(this);
 400         CursorSlice oldTopSlice = cur.top();
 401         bool oldBoundary = cur.boundary();
 402         bool sel = cur.selection();
 403         // Signals that, even if needsUpdate == false, an update of the
 404         // cursor paragraph is required
 405         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 406                 LyXAction::SingleParUpdate);
 407         // Signals that a full-screen update is required
 408         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 409                 LyXAction::NoUpdate) || singleParUpdate);
 410         // Remember the old paragraph metric (_outer_ paragraph!)
 411         ParagraphMetrics const & pm = cur.bv().parMetrics(
 412                 cur.bottom().text(), cur.bottom().pit());
 413         Dimension olddim = pm.dim();
 414
 415         switch (cmd.action) {
 416
 417         case LFUN_PARAGRAPH_MOVE_DOWN: {
 418                 pit_type const pit = cur.pit();
 419                 recUndo(cur, pit, pit + 1);
 420                 cur.finishUndo();
 421                 std::swap(pars_[pit], pars_[pit + 1]);
 422                 updateLabels(cur.buffer());
 423                 needsUpdate = true;
 424                 ++cur.pit();
 425                 break;
 426         }
 427
 428         case LFUN_PARAGRAPH_MOVE_UP: {
 429                 pit_type const pit = cur.pit();
 430                 recUndo(cur, pit - 1, pit);
 431                 cur.finishUndo();
 432                 std::swap(pars_[pit], pars_[pit - 1]);
 433                 updateLabels(cur.buffer());
 434                 --cur.pit();
 435                 needsUpdate = true;
 436                 break;
 437         }
 438
 439         case LFUN_APPENDIX: {
 440                 Paragraph & par = cur.paragraph();
 441                 bool start = !par.params().startOfAppendix();
 442
 443 // FIXME: The code below only makes sense at top level.
 444 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 445                 // ensure that we have only one start_of_appendix in this document
 446                 // FIXME: this don't work for multipart document!
 447                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 448                         if (pars_[tmp].params().startOfAppendix()) {
 449                                 recUndo(cur, tmp);
 450                                 pars_[tmp].params().startOfAppendix(false);
 451                                 break;
 452                         }
 453                 }
 454
 455                 cur.recordUndo();
 456                 par.params().startOfAppendix(start);
 457
 458                 // we can set the refreshing parameters now
 459                 updateLabels(cur.buffer());
 460                 break;
 461         }
 462
 463         case LFUN_WORD_DELETE_FORWARD:
 464                 if (cur.selection()) {
 465                         cutSelection(cur, true, false);
 466                 } else
 467                         deleteWordForward(cur);
 468                 finishChange(cur, false);
 469                 break;
 470
 471         case LFUN_WORD_DELETE_BACKWARD:
 472                 if (cur.selection()) {
 473                         cutSelection(cur, true, false);
 474                 } else
 475                         deleteWordBackward(cur);
 476                 finishChange(cur, false);
 477                 break;
 478
 479         case LFUN_LINE_DELETE:
 480                 if (cur.selection()) {
 481                         cutSelection(cur, true, false);
 482                 } else
 483                         tm.deleteLineForward(cur);
 484                 finishChange(cur, false);
 485                 break;
 486
 487         case LFUN_BUFFER_BEGIN:
 488         case LFUN_BUFFER_BEGIN_SELECT:
 489                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 490                 if (cur.depth() == 1) {
 491                         needsUpdate |= cursorTop(cur);
 492                 } else {
 493                         cur.undispatched();
 494                 }
 495                 break;
 496
 497         case LFUN_BUFFER_END:
 498         case LFUN_BUFFER_END_SELECT:
 499                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 500                 if (cur.depth() == 1) {
 501                         needsUpdate |= cursorBottom(cur);
 502                 } else {
 503                         cur.undispatched();
 504                 }
 505                 break;
 506
 507         case LFUN_CHAR_FORWARD:
 508         case LFUN_CHAR_FORWARD_SELECT:
 509                 //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
 510                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 511                 needsUpdate |= cursorForward(cur);
 512
 513                 if (!needsUpdate && oldTopSlice == cur.top()
 514                                 && cur.boundary() == oldBoundary) {
 515                         cur.undispatched();
 516                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 517                 }
 518                 break;
 519
 520         case LFUN_CHAR_BACKWARD:
 521         case LFUN_CHAR_BACKWARD_SELECT:
 522                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 523                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 524                 needsUpdate |= cursorBackward(cur);
 525
 526                 if (!needsUpdate && oldTopSlice == cur.top()
 527                         && cur.boundary() == oldBoundary) {
 528                         cur.undispatched();
 529                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 530                 }
 531                 break;
 532
 533         case LFUN_CHAR_LEFT:
 534         case LFUN_CHAR_LEFT_SELECT:
 535                 //FIXME: for visual cursor, really move left
 536                 if (reverseDirectionNeeded(cur)) {
 537                         cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 538                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 539                 } else {
 540                         cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 541                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 542                 }
 543                 dispatch(cur, cmd);
 544                 return;
 545
 546         case LFUN_CHAR_RIGHT:
 547         case LFUN_CHAR_RIGHT_SELECT:
 548                 //FIXME: for visual cursor, really move right
 549                 if (reverseDirectionNeeded(cur)) {
 550                         cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 551                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 552                 } else {
 553                         cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 554                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 555                 }
 556                 dispatch(cur, cmd);
 557                 return;
 558
 559         case LFUN_UP_SELECT:
 560         case LFUN_DOWN_SELECT:
 561         case LFUN_UP:
 562         case LFUN_DOWN: {
 563                 // stop/start the selection
 564                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 565                         cmd.action == LFUN_UP_SELECT;
 566                 cur.selHandle(select);
 567
 568                 // move cursor up/down
 569                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 570                 bool const successful = cur.upDownInText(up, needsUpdate);
 571                 if (successful) {
 572                         // notify insets which were left and get their update flags
 573                         notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
 574                         cur.fixIfBroken();
 575
 576                         // redraw if you leave mathed (for the decorations)
 577                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 578                 } else
 579                         cur.undispatched();
 580
 581                 break;
 582         }
 583
 584         case LFUN_PARAGRAPH_UP:
 585         case LFUN_PARAGRAPH_UP_SELECT:
 586                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 587                 needsUpdate |= cursorUpParagraph(cur);
 588                 break;
 589
 590         case LFUN_PARAGRAPH_DOWN:
 591         case LFUN_PARAGRAPH_DOWN_SELECT:
 592                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 593                 needsUpdate |= cursorDownParagraph(cur);
 594                 break;
 595
 596         case LFUN_SCREEN_UP_SELECT:
 597                 needsUpdate |= cur.selHandle(true);
 598                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 599                         cur.undispatched();
 600                 else {
 601                         tm.cursorPrevious(cur);
 602                 }
 603                 break;
 604
 605         case LFUN_SCREEN_DOWN_SELECT:
 606                 needsUpdate |= cur.selHandle(true);
 607                 if (cur.pit() == cur.lastpit()
 608                           && cur.textRow().endpos() == cur.lastpos())
 609                         cur.undispatched();
 610                 else {
 611                         tm.cursorNext(cur);
 612                 }
 613                 break;
 614
 615         case LFUN_LINE_BEGIN:
 616         case LFUN_LINE_BEGIN_SELECT:
 617                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 618                 needsUpdate |= tm.cursorHome(cur);
 619                 break;
 620
 621         case LFUN_LINE_END:
 622         case LFUN_LINE_END_SELECT:
 623                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 624                 needsUpdate |= tm.cursorEnd(cur);
 625                 break;
 626
 627         case LFUN_WORD_RIGHT:
 628         case LFUN_WORD_RIGHT_SELECT:
 629                 //FIXME: for visual cursor mode, really move right
 630                 if (reverseDirectionNeeded(cur)) {
 631                         cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 632                                         LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 633                 } else {
 634                         cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 635                                         LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 636                 }
 637                 dispatch(cur, cmd);
 638                 return;
 639
 640         case LFUN_WORD_FORWARD:
 641         case LFUN_WORD_FORWARD_SELECT:
 642                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 643                 needsUpdate |= cursorForwardOneWord(cur);
 644                 break;
 645
 646         case LFUN_WORD_LEFT:
 647         case LFUN_WORD_LEFT_SELECT:
 648                 //FIXME: for visual cursor mode, really move left
 649                 if (reverseDirectionNeeded(cur)) {
 650                         cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 651                                         LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 652                 } else {
 653                         cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 654                                         LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 655                 }
 656                 dispatch(cur, cmd);
 657                 return;
 658
 659         case LFUN_WORD_BACKWARD:
 660         case LFUN_WORD_BACKWARD_SELECT:
 661                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 662                 needsUpdate |= cursorBackwardOneWord(cur);
 663                 break;
 664
 665         case LFUN_WORD_SELECT: {
 666                 selectWord(cur, WHOLE_WORD);
 667                 finishChange(cur, true);
 668                 break;
 669         }
 670
 671         case LFUN_NEW_LINE: {
 672                 // Not allowed by LaTeX (labels or empty par)
 673                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 674                         // this avoids a double undo
 675                         // FIXME: should not be needed, ideally
 676                         if (!cur.selection())
 677                                 cur.recordUndo();
 678                         cap::replaceSelection(cur);
 679                         cur.insert(new InsetNewline);
 680                         cur.posForward();
 681                         moveCursor(cur, false);
 682                 }
 683                 break;
 684         }
 685
 686         case LFUN_LINE_BREAK: {
 687                 // Not allowed by LaTeX (labels or empty par)
 688                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 689                         // this avoids a double undo
 690                         // FIXME: should not be needed, ideally
 691                         if (!cur.selection())
 692                                 cur.recordUndo();
 693                         cap::replaceSelection(cur);
 694                         cur.insert(new InsetLinebreak);
 695                         cur.posForward();
 696                         moveCursor(cur, false);
 697                 }
 698                 break;
 699         }
 700
 701         case LFUN_CHAR_DELETE_FORWARD:
 702                 if (!cur.selection()) {
 703                         if (cur.pos() == cur.paragraph().size())
 704                                 // Par boundary, force full-screen update
 705                                 singleParUpdate = false;
 706                         needsUpdate |= erase(cur);
 707                         cur.resetAnchor();
 708                         // It is possible to make it a lot faster still
 709                         // just comment out the line below...
 710                 } else {
 711                         cutSelection(cur, true, false);
 712                         singleParUpdate = false;
 713                 }
 714                 moveCursor(cur, false);
 715                 break;
 716
 717         case LFUN_DELETE_FORWARD_SKIP:
 718                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 719                 if (!cur.selection()) {
 720                         if (cur.pos() == cur.lastpos()) {
 721                                 cursorForward(cur);
 722                                 cursorBackward(cur);
 723                         }
 724                         erase(cur);
 725                         cur.resetAnchor();
 726                 } else {
 727                         cutSelection(cur, true, false);
 728                 }
 729                 break;
 730
 731
 732         case LFUN_CHAR_DELETE_BACKWARD:
 733                 if (!cur.selection()) {
 734                         if (bv->getIntl().getTransManager().backspace()) {
 735                                 // Par boundary, full-screen update
 736                                 if (cur.pos() == 0)
 737                                         singleParUpdate = false;
 738                                 needsUpdate |= backspace(cur);
 739                                 cur.resetAnchor();
 740                                 // It is possible to make it a lot faster still
 741                                 // just comment out the line below...
 742                         }
 743                 } else {
 744                         cutSelection(cur, true, false);
 745                         singleParUpdate = false;
 746                 }
 747                 break;
 748
 749         case LFUN_DELETE_BACKWARD_SKIP:
 750                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 751                 if (!cur.selection()) {
 752                         // FIXME: look here
 753                         //CursorSlice cur = cursor();
 754                         backspace(cur);
 755                         //anchor() = cur;
 756                 } else {
 757                         cutSelection(cur, true, false);
 758                 }
 759                 break;
 760
 761         case LFUN_BREAK_PARAGRAPH:
 762                 cap::replaceSelection(cur);
 763                 breakParagraph(cur, cmd.argument() == "inverse");
 764                 cur.resetAnchor();
 765                 break;
 766
 767         case LFUN_BREAK_PARAGRAPH_SKIP: {
 768                 // When at the beginning of a paragraph, remove
 769                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 770                 cap::replaceSelection(cur);
 771                 if (cur.pos() == 0)
 772                         cur.paragraph().params().labelWidthString(docstring());
 773                 else
 774                         breakParagraph(cur, false);
 775                 cur.resetAnchor();
 776                 break;
 777         }
 778
 779         // TODO
 780         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 781         // as its duties can be performed there. Should it be removed??
 782         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 783         case LFUN_PARAGRAPH_SPACING: {
 784                 Paragraph & par = cur.paragraph();
 785                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 786                 string cur_value = "1.0";
 787                 if (cur_spacing == Spacing::Other)
 788                         cur_value = par.params().spacing().getValueAsString();
 789
 790                 istringstream is(to_utf8(cmd.argument()));
 791                 string tmp;
 792                 is >> tmp;
 793                 Spacing::Space new_spacing = cur_spacing;
 794                 string new_value = cur_value;
 795                 if (tmp.empty()) {
 796                         lyxerr << "Missing argument to `paragraph-spacing'"
 797                                << endl;
 798                 } else if (tmp == "single") {
 799                         new_spacing = Spacing::Single;
 800                 } else if (tmp == "onehalf") {
 801                         new_spacing = Spacing::Onehalf;
 802                 } else if (tmp == "double") {
 803                         new_spacing = Spacing::Double;
 804                 } else if (tmp == "other") {
 805                         new_spacing = Spacing::Other;
 806                         string tmpval = "0.0";
 807                         is >> tmpval;
 808                         lyxerr << "new_value = " << tmpval << endl;
 809                         if (tmpval != "0.0")
 810                                 new_value = tmpval;
 811                 } else if (tmp == "default") {
 812                         new_spacing = Spacing::Default;
 813                 } else {
 814                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 815                                << to_utf8(cmd.argument()) << endl;
 816                 }
 817                 if (cur_spacing != new_spacing || cur_value != new_value)
 818                         par.params().spacing(Spacing(new_spacing, new_value));
 819                 break;
 820         }
 821
 822         case LFUN_INSET_INSERT: {
 823                 cur.recordUndo();
 824                 Inset * inset = createInset(bv->buffer(), cmd);
 825                 if (inset) {
 826                         // FIXME (Abdel 01/02/2006):
 827                         // What follows would be a partial fix for bug 2154:
 828                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 829                         // This automatically put the label inset _after_ a
 830                         // numbered section. It should be possible to extend the mechanism
 831                         // to any kind of LateX environement.
 832                         // The correct way to fix that bug would be at LateX generation.
 833                         // I'll let the code here for reference as it could be used for some
 834                         // other feature like "automatic labelling".
 835                         /*
 836                         Paragraph & par = pars_[cur.pit()];
 837                         if (inset->lyxCode() == LABEL_CODE
 838                                 && par.layout()->labeltype == LABEL_COUNTER) {
 839                                 // Go to the end of the paragraph
 840                                 // Warning: Because of Change-Tracking, the last
 841                                 // position is 'size()' and not 'size()-1':
 842                                 cur.pos() = par.size();
 843                                 // Insert a new paragraph
 844                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 845                                 dispatch(cur, fr);
 846                         }
 847                         */
 848                         if (cur.selection())
 849                                 cutSelection(cur, true, false);
 850                         insertInset(cur, inset);
 851                         cur.posForward();
 852                 }
 853                 break;
 854         }
 855
 856         case LFUN_INSET_DISSOLVE:
 857                 needsUpdate |= dissolveInset(cur);
 858                 break;
 859
 860         case LFUN_INSET_SETTINGS:
 861                 cur.inset().showInsetDialog(bv);
 862                 break;
 863
 864         case LFUN_SPACE_INSERT:
 865                 if (cur.paragraph().layout()->free_spacing)
 866                         insertChar(cur, ' ');
 867                 else {
 868                         doInsertInset(cur, this, cmd, false, false);
 869                         cur.posForward();
 870                 }
 871                 moveCursor(cur, false);
 872                 break;
 873
 874         case LFUN_SPECIALCHAR_INSERT: {
 875                 string const name = to_utf8(cmd.argument());
 876                 if (name == "hyphenation")
 877                         specialChar(cur, InsetSpecialChar::HYPHENATION);
 878                 else if (name == "ligature-break")
 879                         specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 880                 else if (name == "slash")
 881                         specialChar(cur, InsetSpecialChar::SLASH);
 882                 else if (name == "nobreakdash")
 883                         specialChar(cur, InsetSpecialChar::NOBREAKDASH);
 884                 else if (name == "dots")
 885                         specialChar(cur, InsetSpecialChar::LDOTS);
 886                 else if (name == "end-of-sentence")
 887                         specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 888                 else if (name == "menu-separator")
 889                         specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 890                 else if (name.empty())
 891                         lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
 892                 else
 893                         lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
 894                 break;
 895         }
 896
 897         case LFUN_WORD_UPCASE:
 898                 changeCase(cur, text_uppercase);
 899                 break;
 900
 901         case LFUN_WORD_LOWCASE:
 902                 changeCase(cur, text_lowercase);
 903                 break;
 904
 905         case LFUN_WORD_CAPITALIZE:
 906                 changeCase(cur, text_capitalization);
 907                 break;
 908
 909         case LFUN_CHARS_TRANSPOSE:
 910                 charsTranspose(cur);
 911                 break;
 912
 913         case LFUN_PASTE:
 914                 cur.message(_("Paste"));
 915                 cap::replaceSelection(cur);
 916                 if (cmd.argument().empty() && !theClipboard().isInternal())
 917                         pasteClipboard(cur, bv->buffer().errorList("Paste"));
 918                 else {
 919                         string const arg(to_utf8(cmd.argument()));
 920                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 921                                         isStrUnsignedInt(arg) ?
 922                                                 convert<unsigned int>(arg) :
 923                                                 0);
 924                 }
 925                 bv->buffer().errors("Paste");
 926                 cur.clearSelection(); // bug 393
 927                 cur.finishUndo();
 928                 break;
 929
 930         case LFUN_CUT:
 931                 cutSelection(cur, true, true);
 932                 cur.message(_("Cut"));
 933                 break;
 934
 935         case LFUN_COPY:
 936                 copySelection(cur);
 937                 cur.message(_("Copy"));
 938                 break;
 939
 940         case LFUN_SERVER_GET_XY:
 941                 cur.message(from_utf8(
 942                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 943                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 944                 break;
 945
 946         case LFUN_SERVER_SET_XY: {
 947                 int x = 0;
 948                 int y = 0;
 949                 istringstream is(to_utf8(cmd.argument()));
 950                 is >> x >> y;
 951                 if (!is)
 952                         lyxerr << "SETXY: Could not parse coordinates in '"
 953                                << to_utf8(cmd.argument()) << std::endl;
 954                 else
 955                         tm.setCursorFromCoordinates(cur, x, y);
 956                 break;
 957         }
 958
 959         case LFUN_SERVER_GET_FONT:
 960                 if (cur.current_font.fontInfo().shape() == ITALIC_SHAPE)
 961                         cur.message(from_ascii("E"));
 962                 else if (cur.current_font.fontInfo().shape() == SMALLCAPS_SHAPE)
 963                         cur.message(from_ascii("N"));
 964                 else
 965                         cur.message(from_ascii("0"));
 966                 break;
 967
 968         case LFUN_SERVER_GET_LAYOUT:
 969                 cur.message(cur.paragraph().layout()->name());
 970                 break;
 971
 972         case LFUN_LAYOUT: {
 973                 docstring layout = cmd.argument();
 974                 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
 975
 976                 docstring const old_layout = cur.paragraph().layout()->name();
 977
 978                 // Derive layout number from given argument (string)
 979                 // and current buffer's textclass (number)
 980                 TextClass const & tclass = bv->buffer().params().getTextClass();
 981                 if (layout.empty())
 982                         layout = tclass.defaultLayoutName();
 983                 bool hasLayout = tclass.hasLayout(layout);
 984
 985                 // If the entry is obsolete, use the new one instead.
 986                 if (hasLayout) {
 987                         docstring const & obs = tclass[layout]->obsoleted_by();
 988                         if (!obs.empty())
 989                                 layout = obs;
 990                 }
 991
 992                 if (!hasLayout) {
 993                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 994                                 from_utf8(N_(" not known")));
 995                         break;
 996                 }
 997
 998                 bool change_layout = (old_layout != layout);
 999
1000                 if (!change_layout && cur.selection() &&
1001                         cur.selBegin().pit() != cur.selEnd().pit())
1002                 {
1003                         pit_type spit = cur.selBegin().pit();
1004                         pit_type epit = cur.selEnd().pit() + 1;
1005                         while (spit != epit) {
1006                                 if (pars_[spit].layout()->name() != old_layout) {
1007                                         change_layout = true;
1008                                         break;
1009                                 }
1010                                 ++spit;
1011                         }
1012                 }
1013
1014                 if (change_layout)
1015                         setLayout(cur, layout);
1016
1017                 break;
1018         }
1019
1020         case LFUN_CLIPBOARD_PASTE:
1021                 cur.clearSelection();
1022                 pasteClipboard(cur, bv->buffer().errorList("Paste"),
1023                                cmd.argument() == "paragraph");
1024                 bv->buffer().errors("Paste");
1025                 break;
1026
1027         case LFUN_PRIMARY_SELECTION_PASTE:
1028                 pasteString(cur, theSelection().get(),
1029                             cmd.argument() == "paragraph");
1030                 break;
1031
1032         case LFUN_UNICODE_INSERT: {
1033                 if (cmd.argument().empty())
1034                         break;
1035                 docstring hexstring = cmd.argument();
1036                 if (lyx::support::isHex(hexstring)) {
1037                         char_type c = lyx::support::hexToInt(hexstring);
1038                         if (c >= 32 && c < 0x10ffff) {
1039                                 lyxerr << "Inserting c: " << c << endl;
1040                                 docstring s = docstring(1, c);
1041                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1042                         }
1043                 }
1044                 break;
1045         }
1046
1047         case LFUN_QUOTE_INSERT: {
1048                 Paragraph & par = cur.paragraph();
1049                 pos_type pos = cur.pos();
1050                 BufferParams const & bufparams = bv->buffer().params();
1051                 LayoutPtr const & style = par.layout();
1052                 if (!style->pass_thru
1053                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1054                         // this avoids a double undo
1055                         // FIXME: should not be needed, ideally
1056                         if (!cur.selection())
1057                                 cur.recordUndo();
1058                         cap::replaceSelection(cur);
1059                         pos = cur.pos();
1060                         char_type c;
1061                         if (pos == 0)
1062                                 c = ' ';
1063                         else if (cur.prevInset() && cur.prevInset()->isSpace())
1064                                 c = ' ';
1065                         else
1066                                 c = par.getChar(pos - 1);
1067                         string arg = to_utf8(cmd.argument());
1068                         if (arg == "single")
1069                                 cur.insert(new InsetQuotes(c,
1070                                     bufparams.quotes_language,
1071                                     InsetQuotes::SingleQ));
1072                         else
1073                                 cur.insert(new InsetQuotes(c,
1074                                     bufparams.quotes_language,
1075                                     InsetQuotes::DoubleQ));
1076                         cur.posForward();
1077                 }
1078                 else
1079                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1080                 break;
1081         }
1082
1083         case LFUN_DATE_INSERT: {
1084                 string const format = cmd.argument().empty()
1085                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1086                 string const time = formatted_time(current_time(), format);
1087                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1088                 break;
1089         }
1090
1091         case LFUN_MOUSE_TRIPLE:
1092                 if (cmd.button() == mouse_button::button1) {
1093                         tm.cursorHome(cur);
1094                         cur.resetAnchor();
1095                         tm.cursorEnd(cur);
1096                         cur.setSelection();
1097                         bv->cursor() = cur;
1098                 }
1099                 break;
1100
1101         case LFUN_MOUSE_DOUBLE:
1102                 if (cmd.button() == mouse_button::button1) {
1103                         selectWord(cur, WHOLE_WORD_STRICT);
1104                         bv->cursor() = cur;
1105                 }
1106                 break;
1107
1108         // Single-click on work area
1109         case LFUN_MOUSE_PRESS: {
1110                 // Right click on a footnote flag opens float menu
1111                 // FIXME: Why should we clear the selection in this case?
1112                 if (cmd.button() == mouse_button::button3)
1113                         cur.clearSelection();
1114
1115                 bool do_selection = cmd.button() == mouse_button::button1
1116                         && cmd.argument() == "region-select";
1117                 // Set the cursor
1118                 bool update = bv->mouseSetCursor(cur, do_selection);
1119
1120                 // Insert primary selection with middle mouse
1121                 // if there is a local selection in the current buffer,
1122                 // insert this
1123                 if (cmd.button() == mouse_button::button2) {
1124                         if (cap::selection()) {
1125                                 // Copy the selection buffer to the clipboard
1126                                 // stack, because we want it to appear in the
1127                                 // "Edit->Paste recent" menu.
1128                                 cap::copySelectionToStack();
1129
1130                                 cap::pasteSelection(bv->cursor(),
1131                                                     bv->buffer().errorList("Paste"));
1132                                 bv->buffer().errors("Paste");
1133                                 bv->buffer().markDirty();
1134                                 bv->cursor().finishUndo();
1135                         } else {
1136                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1137                         }
1138                 }
1139
1140                 // we have to update after dEPM triggered
1141                 if (!update && cmd.button() == mouse_button::button1) {
1142                         needsUpdate = false;
1143                         cur.noUpdate();
1144                 }
1145
1146                 break;
1147         }
1148
1149         case LFUN_MOUSE_MOTION: {
1150                 // Only use motion with button 1
1151                 //if (cmd.button() != mouse_button::button1)
1152                 //      return false;
1153
1154                 // ignore motions deeper nested than the real anchor
1155                 Cursor & bvcur = cur.bv().cursor();
1156                 if (!bvcur.anchor_.hasPart(cur)) {
1157                         cur.undispatched();
1158                         break;
1159                 }
1160                 CursorSlice old = bvcur.top();
1161
1162                 int const wh = bv->workHeight();
1163                 int const y = std::max(0, std::min(wh - 1, cmd.y));
1164
1165                 tm.setCursorFromCoordinates(cur, cmd.x, y);
1166                 cur.setTargetX(cmd.x);
1167                 if (cmd.y >= wh)
1168                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1169                 else if (cmd.y < 0)
1170                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1171                 // This is to allow jumping over large insets
1172                 if (cur.top() == old) {
1173                         if (cmd.y >= wh)
1174                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1175                         else if (cmd.y < 0)
1176                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1177                 }
1178
1179                 if (cur.top() == old)
1180                         cur.noUpdate();
1181                 else {
1182                         // FIXME: This is brute force! But without it the selected
1183                         // area is not corrected updated while moving the mouse.
1184                         cur.updateFlags(Update::Force | Update::FitCursor);
1185                         // don't set anchor_
1186                         bvcur.setCursor(cur);
1187                         bvcur.selection() = true;
1188                         //lyxerr << "MOTION: " << bv->cursor() << endl;
1189                 }
1190                 break;
1191         }
1192
1193         case LFUN_MOUSE_RELEASE: {
1194                 if (cmd.button() == mouse_button::button2)
1195                         break;
1196
1197                 if (cmd.button() == mouse_button::button1) {
1198                         // if there is new selection, update persistent
1199                         // selection, otherwise, single click does not
1200                         // clear persistent selection buffer
1201                         if (cur.selection()) {
1202                                 // finish selection
1203                                 // if double click, cur is moved to the end of word by selectWord
1204                                 // but bvcur is current mouse position
1205                                 Cursor & bvcur = cur.bv().cursor();
1206                                 bvcur.selection() = true;
1207                         }
1208                         needsUpdate = false;
1209                         cur.noUpdate();
1210                 }
1211
1212                 break;
1213         }
1214
1215         case LFUN_SELF_INSERT: {
1216                 if (cmd.argument().empty())
1217                         break;
1218
1219                 // Automatically delete the currently selected
1220                 // text and replace it with what is being
1221                 // typed in now. Depends on lyxrc settings
1222                 // "auto_region_delete", which defaults to
1223                 // true (on).
1224
1225                 if (lyxrc.auto_region_delete && cur.selection())
1226                         cutSelection(cur, false, false);
1227
1228                 cur.clearSelection();
1229                 Font const old_font = cur.real_current_font;
1230
1231                 docstring::const_iterator cit = cmd.argument().begin();
1232                 docstring::const_iterator end = cmd.argument().end();
1233                 for (; cit != end; ++cit)
1234                         bv->translateAndInsert(*cit, this, cur);
1235
1236                 cur.resetAnchor();
1237                 moveCursor(cur, false);
1238                 break;
1239         }
1240
1241         case LFUN_HYPERLINK_INSERT: {
1242                 InsetCommandParams p(HYPERLINK_CODE);
1243                 docstring content;
1244                 if (cur.selection()) {
1245                         content = cur.selectionAsString(false);
1246                         cutSelection(cur, true, false);
1247                 }
1248                 p["target"] = (cmd.argument().empty()) ?
1249                         content : cmd.argument();
1250                 string const data = InsetCommandMailer::params2string("href", p);
1251                 if (p["target"].empty()) {
1252                         bv->showDialog("href", data);
1253                 } else {
1254                         FuncRequest fr(LFUN_INSET_INSERT, data);
1255                         dispatch(cur, fr);
1256                 }
1257                 break;
1258         }
1259
1260         case LFUN_LABEL_INSERT: {
1261                 InsetCommandParams p(LABEL_CODE);
1262                 // Try to generate a valid label
1263                 p["name"] = (cmd.argument().empty()) ?
1264                         cur.getPossibleLabel() :
1265                         cmd.argument();
1266                 string const data = InsetCommandMailer::params2string("label", p);
1267
1268                 if (cmd.argument().empty()) {
1269                         bv->showDialog("label", data);
1270                 } else {
1271                         FuncRequest fr(LFUN_INSET_INSERT, data);
1272                         dispatch(cur, fr);
1273                 }
1274                 break;
1275         }
1276
1277         case LFUN_INFO_INSERT: {
1278                 Inset * inset = createInset(cur.bv().buffer(), cmd);
1279                 if (!inset)
1280                         break;
1281                 // if an empty inset is created (cmd.argument() is empty)
1282                 // use current selection as parameter.
1283                 if (cmd.argument().empty() && cur.selection()) {
1284                         // use selected text as info to avoid a separate UI
1285                         docstring ds = cur.selectionAsString(false);
1286                         cutSelection(cur, true, false);
1287                         static_cast<InsetInfo *>(inset)->setInfo(to_utf8(ds));
1288                 }
1289                 insertInset(cur, inset);
1290                 cur.posForward();
1291                 break;
1292         }
1293 #if 0
1294         case LFUN_LIST_INSERT:
1295         case LFUN_THEOREM_INSERT:
1296 #endif
1297         case LFUN_CAPTION_INSERT:
1298         case LFUN_FOOTNOTE_INSERT:
1299                 // Open the inset, and move the current selection
1300                 // inside it.
1301                 doInsertInset(cur, this, cmd, true, true);
1302                 cur.posForward();
1303                 // These insets are numbered.
1304                 updateLabels(bv->buffer());
1305                 break;
1306         case LFUN_NOTE_INSERT:
1307         case LFUN_FLEX_INSERT:
1308         case LFUN_BOX_INSERT:
1309         case LFUN_BRANCH_INSERT:
1310         case LFUN_BIBITEM_INSERT:
1311         case LFUN_ERT_INSERT:
1312         case LFUN_LISTING_INSERT:
1313         case LFUN_MARGINALNOTE_INSERT:
1314         case LFUN_OPTIONAL_INSERT:
1315         case LFUN_ENVIRONMENT_INSERT:
1316                 // Open the inset, and move the current selection
1317                 // inside it.
1318                 doInsertInset(cur, this, cmd, true, true);
1319                 cur.posForward();
1320                 break;
1321
1322         case LFUN_TABULAR_INSERT:
1323                 // if there were no arguments, just open the dialog
1324                 if (doInsertInset(cur, this, cmd, false, true))
1325                         cur.posForward();
1326                 else
1327                         bv->showDialog("tabularcreate");
1328
1329                 break;
1330
1331         case LFUN_FLOAT_INSERT:
1332         case LFUN_FLOAT_WIDE_INSERT:
1333         case LFUN_WRAP_INSERT: {
1334                 bool content = cur.selection();  // will some text be moved into the inset?
1335
1336                 doInsertInset(cur, this, cmd, true, true);
1337                 cur.posForward();
1338                 ParagraphList & pars = cur.text()->paragraphs();
1339
1340                 TextClass const & tclass = bv->buffer().params().getTextClass();
1341
1342                 // add a separate paragraph for the caption inset
1343                 pars.push_back(Paragraph());
1344                 pars.back().setInsetOwner(pars[0].inInset());
1345                 pars.back().layout(tclass.defaultLayout());
1346
1347                 int cap_pit = pars.size() - 1;
1348
1349                 // if an empty inset was created, we create an additional empty
1350                 // paragraph at the bottom so that the user can choose where to put
1351                 // the graphics (or table).
1352                 if (!content) {
1353                         pars.push_back(Paragraph());
1354                         pars.back().setInsetOwner(pars[0].inInset());
1355                         pars.back().layout(tclass.defaultLayout());
1356
1357                 }
1358
1359                 // reposition the cursor to the caption
1360                 cur.pit() = cap_pit;
1361                 cur.pos() = 0;
1362                 // FIXME: This Text/Cursor dispatch handling is a mess!
1363                 // We cannot use Cursor::dispatch here it needs access to up to
1364                 // date metrics.
1365                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1366                 cur.text()->dispatch(cur, cmd_caption);
1367                 cur.updateFlags(Update::Force);
1368                 // FIXME: When leaving the Float (or Wrap) inset we should
1369                 // delete any empty paragraph left above or below the
1370                 // caption.
1371                 break;
1372         }
1373
1374         case LFUN_INDEX_INSERT:
1375                 doInsertInset(cur, this, cmd, true, true);
1376                 cur.posForward();
1377                 break;
1378
1379         case LFUN_NOMENCL_INSERT: {
1380                 FuncRequest cmd1 = cmd;
1381                 if (cmd.argument().empty())
1382                         cmd1 = FuncRequest(cmd,
1383                                 bv->cursor().innerText()->getStringToIndex(bv->cursor()));
1384                 Inset * inset = createInset(cur.bv().buffer(), cmd1);
1385                 if (!inset)
1386                         break;
1387                 cur.recordUndo();
1388                 cur.clearSelection();
1389                 insertInset(cur, inset);
1390                 // Show the dialog for the nomenclature entry, since the
1391                 // description entry still needs to be filled in.
1392                 if (cmd.action == LFUN_NOMENCL_INSERT)
1393                         inset->edit(cur, true);
1394                 cur.posForward();
1395                 break;
1396         }
1397
1398         case LFUN_INDEX_PRINT:
1399         case LFUN_NOMENCL_PRINT:
1400         case LFUN_TOC_INSERT:
1401         case LFUN_HFILL_INSERT:
1402         case LFUN_LINE_INSERT:
1403         case LFUN_NEWPAGE_INSERT:
1404         case LFUN_PAGEBREAK_INSERT:
1405         case LFUN_CLEARPAGE_INSERT:
1406         case LFUN_CLEARDOUBLEPAGE_INSERT:
1407                 // do nothing fancy
1408                 doInsertInset(cur, this, cmd, false, false);
1409                 cur.posForward();
1410                 break;
1411
1412         case LFUN_DEPTH_DECREMENT:
1413                 changeDepth(cur, DEC_DEPTH);
1414                 break;
1415
1416         case LFUN_DEPTH_INCREMENT:
1417                 changeDepth(cur, INC_DEPTH);
1418                 break;
1419
1420         case LFUN_MATH_DISPLAY:
1421                 mathDispatch(cur, cmd, true);
1422                 break;
1423
1424         case LFUN_MATH_IMPORT_SELECTION:
1425         case LFUN_MATH_MODE:
1426                 if (cmd.argument() == "on")
1427                         // don't pass "on" as argument
1428                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1429                 else
1430                         mathDispatch(cur, cmd, false);
1431                 break;
1432
1433         case LFUN_MATH_MACRO:
1434                 if (cmd.argument().empty())
1435                         cur.errorMessage(from_utf8(N_("Missing argument")));
1436                 else {
1437                         string s = to_utf8(cmd.argument());
1438                         string const s1 = token(s, ' ', 1);
1439                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1440                         string const s2 = token(s, ' ', 2);
1441                         string const type = s2.empty() ? "newcommand" : s2;
1442                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, false, from_utf8(type)));
1443                         //cur.nextInset()->edit(cur, true);
1444                 }
1445                 break;
1446
1447         // passthrough hat and underscore outside mathed:
1448         case LFUN_MATH_SUBSCRIPT:
1449                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1450                 break;
1451         case LFUN_MATH_SUPERSCRIPT:
1452                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1453                 break;
1454
1455         case LFUN_MATH_INSERT:
1456         case LFUN_MATH_MATRIX:
1457         case LFUN_MATH_DELIM:
1458         case LFUN_MATH_BIGDELIM: {
1459                 if (cur.selection())
1460                         cur.clearSelection();
1461                 // FIXME: instead of the above, this one
1462                 // should be used (but it asserts with Bidi enabled)
1463                 // cf. http://bugzilla.lyx.org/show_bug.cgi?id=4055
1464                 // cap::replaceSelection(cur);
1465                 cur.insert(new InsetMathHull(hullSimple));
1466                 checkAndActivateInset(cur, true);
1467                 BOOST_ASSERT(cur.inMathed());
1468                 cur.dispatch(cmd);
1469                 break;
1470         }
1471
1472         case LFUN_FONT_EMPH: {
1473                 Font font(ignore_font, ignore_language);
1474                 font.fontInfo().setEmph(FONT_TOGGLE);
1475                 toggleAndShow(cur, this, font);
1476                 break;
1477         }
1478
1479         case LFUN_FONT_BOLD: {
1480                 Font font(ignore_font, ignore_language);
1481                 font.fontInfo().setSeries(BOLD_SERIES);
1482                 toggleAndShow(cur, this, font);
1483                 break;
1484         }
1485
1486         case LFUN_FONT_NOUN: {
1487                 Font font(ignore_font, ignore_language);
1488                 font.fontInfo().setNoun(FONT_TOGGLE);
1489                 toggleAndShow(cur, this, font);
1490                 break;
1491         }
1492
1493         case LFUN_FONT_TYPEWRITER: {
1494                 Font font(ignore_font, ignore_language);
1495                 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
1496                 toggleAndShow(cur, this, font);
1497                 break;
1498         }
1499
1500         case LFUN_FONT_SANS: {
1501                 Font font(ignore_font, ignore_language);
1502                 font.fontInfo().setFamily(SANS_FAMILY);
1503                 toggleAndShow(cur, this, font);
1504                 break;
1505         }
1506
1507         case LFUN_FONT_ROMAN: {
1508                 Font font(ignore_font, ignore_language);
1509                 font.fontInfo().setFamily(ROMAN_FAMILY);
1510                 toggleAndShow(cur, this, font);
1511                 break;
1512         }
1513
1514         case LFUN_FONT_DEFAULT: {
1515                 Font font(inherit_font, ignore_language);
1516                 toggleAndShow(cur, this, font);
1517                 break;
1518         }
1519
1520         case LFUN_FONT_UNDERLINE: {
1521                 Font font(ignore_font, ignore_language);
1522                 font.fontInfo().setUnderbar(FONT_TOGGLE);
1523                 toggleAndShow(cur, this, font);
1524                 break;
1525         }
1526
1527         case LFUN_FONT_SIZE: {
1528                 Font font(ignore_font, ignore_language);
1529                 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
1530                 toggleAndShow(cur, this, font);
1531                 break;
1532         }
1533
1534         case LFUN_LANGUAGE: {
1535                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1536                 if (!lang)
1537                         break;
1538                 Font font(ignore_font, lang);
1539                 toggleAndShow(cur, this, font);
1540                 break;
1541         }
1542
1543         case LFUN_FONT_FREE_APPLY:
1544                 toggleAndShow(cur, this, freefont, toggleall);
1545                 cur.message(_("Character set"));
1546                 break;
1547
1548         // Set the freefont using the contents of \param data dispatched from
1549         // the frontends and apply it at the current cursor location.
1550         case LFUN_FONT_FREE_UPDATE: {
1551                 Font font;
1552                 bool toggle;
1553                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1554                         freefont = font;
1555                         toggleall = toggle;
1556                         toggleAndShow(cur, this, freefont, toggleall);
1557                         cur.message(_("Character set"));
1558                 } else {
1559                         lyxerr << "Argument not ok";
1560                 }
1561                 break;
1562         }
1563
1564         case LFUN_FINISHED_LEFT:
1565                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
1566                 if (reverseDirectionNeeded(cur)) {
1567                         ++cur.pos();
1568                         cur.setCurrentFont();
1569                 }
1570                 break;
1571
1572         case LFUN_FINISHED_RIGHT:
1573                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
1574                 if (!reverseDirectionNeeded(cur)) {
1575                         ++cur.pos();
1576                         cur.setCurrentFont();
1577                 }
1578                 break;
1579
1580         case LFUN_FINISHED_BACKWARD:
1581                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
1582                 break;
1583
1584         case LFUN_FINISHED_FORWARD:
1585                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
1586                 ++cur.pos();
1587                 cur.setCurrentFont();
1588                 break;
1589
1590         case LFUN_LAYOUT_PARAGRAPH: {
1591                 string data;
1592                 params2string(cur.paragraph(), data);
1593                 data = "show\n" + data;
1594                 bv->showDialog("paragraph", data);
1595                 break;
1596         }
1597
1598         case LFUN_PARAGRAPH_UPDATE: {
1599                 string data;
1600                 params2string(cur.paragraph(), data);
1601
1602                 // Will the paragraph accept changes from the dialog?
1603                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1604
1605                 data = "update " + convert<string>(accept) + '\n' + data;
1606                 bv->updateDialog("paragraph", data);
1607                 break;
1608         }
1609
1610         case LFUN_ACCENT_UMLAUT:
1611         case LFUN_ACCENT_CIRCUMFLEX:
1612         case LFUN_ACCENT_GRAVE:
1613         case LFUN_ACCENT_ACUTE:
1614         case LFUN_ACCENT_TILDE:
1615         case LFUN_ACCENT_CEDILLA:
1616         case LFUN_ACCENT_MACRON:
1617         case LFUN_ACCENT_DOT:
1618         case LFUN_ACCENT_UNDERDOT:
1619         case LFUN_ACCENT_UNDERBAR:
1620         case LFUN_ACCENT_CARON:
1621         case LFUN_ACCENT_SPECIAL_CARON:
1622         case LFUN_ACCENT_BREVE:
1623         case LFUN_ACCENT_TIE:
1624         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1625         case LFUN_ACCENT_CIRCLE:
1626         case LFUN_ACCENT_OGONEK:
1627                 theLyXFunc().handleKeyFunc(cmd.action);
1628                 if (!cmd.argument().empty())
1629                         // FIXME: Are all these characters encoded in one byte in utf8?
1630                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1631                 break;
1632
1633         case LFUN_FLOAT_LIST: {
1634                 TextClass const & tclass = bv->buffer().params().getTextClass();
1635                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1636                         cur.recordUndo();
1637                         if (cur.selection())
1638                                 cutSelection(cur, true, false);
1639                         breakParagraph(cur);
1640
1641                         if (cur.lastpos() != 0) {
1642                                 cursorBackward(cur);
1643                                 breakParagraph(cur);
1644                         }
1645
1646                         setLayout(cur, tclass.defaultLayoutName());
1647                         ParagraphParameters p;
1648                         setParagraphs(cur, p);
1649                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1650                         cur.posForward();
1651                 } else {
1652                         lyxerr << "Non-existent float type: "
1653                                << to_utf8(cmd.argument()) << endl;
1654                 }
1655                 break;
1656         }
1657
1658         case LFUN_CHANGE_ACCEPT: {
1659                 acceptOrRejectChanges(cur, ACCEPT);
1660                 break;
1661         }
1662
1663         case LFUN_CHANGE_REJECT: {
1664                 acceptOrRejectChanges(cur, REJECT);
1665                 break;
1666         }
1667
1668         case LFUN_THESAURUS_ENTRY: {
1669                 docstring arg = cmd.argument();
1670                 if (arg.empty()) {
1671                         arg = cur.selectionAsString(false);
1672                         // FIXME
1673                         if (arg.size() > 100 || arg.empty()) {
1674                                 // Get word or selection
1675                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1676                                 arg = cur.selectionAsString(false);
1677                         }
1678                 }
1679                 bv->showDialog("thesaurus", to_utf8(arg));
1680                 break;
1681         }
1682
1683         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1684                 // Given data, an encoding of the ParagraphParameters
1685                 // generated in the Paragraph dialog, this function sets
1686                 // the current paragraph, or currently selected paragraphs,
1687                 // appropriately.
1688                 // NOTE: This function overrides all existing settings.
1689                 setParagraphs(cur, cmd.argument());
1690                 cur.message(_("Paragraph layout set"));
1691                 break;
1692         }
1693
1694         case LFUN_PARAGRAPH_PARAMS: {
1695                 // Given data, an encoding of the ParagraphParameters as we'd
1696                 // find them in a LyX file, this function modifies the current paragraph,
1697                 // or currently selected paragraphs.
1698                 // NOTE: This function only modifies, and does not override, existing
1699                 // settings.
1700                 setParagraphs(cur, cmd.argument(), true);
1701                 cur.message(_("Paragraph layout set"));
1702                 break;
1703         }
1704
1705         case LFUN_ESCAPE:
1706                 if (cur.selection()) {
1707                         cur.selection() = false;
1708                 } else {
1709                         cur.undispatched();
1710                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
1711                         // correct, but I'm not 100% sure -- dov, 071019
1712                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1713                 }
1714                 break;
1715
1716         case LFUN_OUTLINE_UP:
1717                 outline(OutlineUp, cur);
1718                 setCursor(cur, cur.pit(), 0);
1719                 updateLabels(cur.buffer());
1720                 needsUpdate = true;
1721                 break;
1722
1723         case LFUN_OUTLINE_DOWN:
1724                 outline(OutlineDown, cur);
1725                 setCursor(cur, cur.pit(), 0);
1726                 updateLabels(cur.buffer());
1727                 needsUpdate = true;
1728                 break;
1729
1730         case LFUN_OUTLINE_IN:
1731                 outline(OutlineIn, cur);
1732                 updateLabels(cur.buffer());
1733                 needsUpdate = true;
1734                 break;
1735
1736         case LFUN_OUTLINE_OUT:
1737                 outline(OutlineOut, cur);
1738                 updateLabels(cur.buffer());
1739                 needsUpdate = true;
1740                 break;
1741
1742         default:
1743                 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
1744                 cur.undispatched();
1745                 break;
1746         }
1747
1748         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1749
1750         // FIXME: The cursor flag is reset two lines below
1751         // so we need to check here if some of the LFUN did touch that.
1752         // for now only Text::erase() and Text::backspace() do that.
1753         // The plan is to verify all the LFUNs and then to remove this
1754         // singleParUpdate boolean altogether.
1755         if (cur.result().update() & Update::Force) {
1756                 singleParUpdate = false;
1757                 needsUpdate = true;
1758         }
1759
1760         // FIXME: the following code should go in favor of fine grained
1761         // update flag treatment.
1762         if (singleParUpdate) {
1763                 // Inserting characters does not change par height
1764                 ParagraphMetrics const & pms
1765                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1766                 if (pms.dim().height() == olddim.height()) {
1767                         // if so, update _only_ this paragraph
1768                         cur.updateFlags(Update::SinglePar |
1769                                 Update::FitCursor);
1770                         return;
1771                 }
1772                 needsUpdate = true;
1773         }
1774
1775         if (!needsUpdate
1776             && &oldTopSlice.inset() == &cur.inset()
1777             && oldTopSlice.idx() == cur.idx()
1778             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1779             && !cur.selection())
1780                 // FIXME: it would be better if we could just do this
1781                 //
1782                 //if (cur.result().update() != Update::FitCursor)
1783                 //      cur.noUpdate();
1784                 //
1785                 // But some LFUNs do not set Update::FitCursor when needed, so we
1786                 // do it for all. This is not very harmfull as FitCursor will provoke
1787                 // a full redraw only if needed but still, a proper review of all LFUN
1788                 // should be done and this needsUpdate boolean can then be removed.
1789                 cur.updateFlags(Update::FitCursor);
1790         else
1791                 cur.updateFlags(Update::Force | Update::FitCursor);
1792 }
1793
1794
1795 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1796                         FuncStatus & flag) const
1797 {
1798         BOOST_ASSERT(cur.text() == this);
1799
1800         Font const & font = cur.real_current_font;
1801         FontInfo const & fontinfo = font.fontInfo();
1802         bool enable = true;
1803         InsetCode code = NO_CODE;
1804
1805         switch (cmd.action) {
1806
1807         case LFUN_DEPTH_DECREMENT:
1808                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1809                 break;
1810
1811         case LFUN_DEPTH_INCREMENT:
1812                 enable = changeDepthAllowed(cur, INC_DEPTH);
1813                 break;
1814
1815         case LFUN_APPENDIX:
1816                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1817                 return true;
1818
1819         case LFUN_BIBITEM_INSERT:
1820                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1821                           && cur.pos() == 0);
1822                 break;
1823
1824         case LFUN_DIALOG_SHOW_NEW_INSET:
1825                 if (cmd.argument() == "bibitem")
1826                         code = BIBITEM_CODE;
1827                 else if (cmd.argument() == "bibtex")
1828                         code = BIBTEX_CODE;
1829                 else if (cmd.argument() == "box")
1830                         code = BOX_CODE;
1831                 else if (cmd.argument() == "branch")
1832                         code = BRANCH_CODE;
1833                 else if (cmd.argument() == "citation")
1834                         code = CITE_CODE;
1835                 else if (cmd.argument() == "ert")
1836                         code = ERT_CODE;
1837                 else if (cmd.argument() == "external")
1838                         code = EXTERNAL_CODE;
1839                 else if (cmd.argument() == "float")
1840                         code = FLOAT_CODE;
1841                 else if (cmd.argument() == "graphics")
1842                         code = GRAPHICS_CODE;
1843                 else if (cmd.argument() == "href")
1844                         code = HYPERLINK_CODE;
1845                 else if (cmd.argument() == "include")
1846                         code = INCLUDE_CODE;
1847                 else if (cmd.argument() == "index")
1848                         code = INDEX_CODE;
1849                 else if (cmd.argument() == "nomenclature")
1850                         code = NOMENCL_CODE;
1851                 else if (cmd.argument() == "label")
1852                         code = LABEL_CODE;
1853                 else if (cmd.argument() == "note")
1854                         code = NOTE_CODE;
1855                 else if (cmd.argument() == "ref")
1856                         code = REF_CODE;
1857                 else if (cmd.argument() == "toc")
1858                         code = TOC_CODE;
1859                 else if (cmd.argument() == "vspace")
1860                         code = VSPACE_CODE;
1861                 else if (cmd.argument() == "wrap")
1862                         code = WRAP_CODE;
1863                 else if (cmd.argument() == "listings")
1864                         code = LISTINGS_CODE;
1865                 break;
1866
1867         case LFUN_ERT_INSERT:
1868                 code = ERT_CODE;
1869                 break;
1870         case LFUN_LISTING_INSERT:
1871             code = LISTINGS_CODE;
1872                 break;
1873         case LFUN_FOOTNOTE_INSERT:
1874                 code = FOOT_CODE;
1875                 break;
1876         case LFUN_TABULAR_INSERT:
1877                 code = TABULAR_CODE;
1878                 break;
1879         case LFUN_MARGINALNOTE_INSERT:
1880                 code = MARGIN_CODE;
1881                 break;
1882         case LFUN_FLOAT_INSERT:
1883         case LFUN_FLOAT_WIDE_INSERT:
1884                 code = FLOAT_CODE;
1885                 break;
1886         case LFUN_WRAP_INSERT:
1887                 code = WRAP_CODE;
1888                 break;
1889         case LFUN_FLOAT_LIST:
1890                 code = FLOAT_LIST_CODE;
1891                 break;
1892 #if 0
1893         case LFUN_LIST_INSERT:
1894                 code = LIST_CODE;
1895                 break;
1896         case LFUN_THEOREM_INSERT:
1897                 code = THEOREM_CODE;
1898                 break;
1899 #endif
1900         case LFUN_CAPTION_INSERT:
1901                 code = CAPTION_CODE;
1902                 break;
1903         case LFUN_NOTE_INSERT:
1904                 code = NOTE_CODE;
1905                 break;
1906         case LFUN_FLEX_INSERT: {
1907                 code = FLEX_CODE;
1908                 string s = cmd.getArg(0);
1909                 InsetLayout il =  cur.buffer().params().getTextClass().insetlayout(from_utf8(s));
1910                 if (il.lyxtype != "charstyle" &&
1911                     il.lyxtype != "custom" &&
1912                     il.lyxtype != "element" &&
1913                     il.lyxtype != "standard")
1914                         enable = false;
1915                 break;
1916                 }
1917         case LFUN_BOX_INSERT:
1918                 code = BOX_CODE;
1919                 break;
1920         case LFUN_BRANCH_INSERT:
1921                 code = BRANCH_CODE;
1922                 if (cur.buffer().masterBuffer()->params().branchlist().empty())
1923                         enable = false;
1924                 break;
1925         case LFUN_LABEL_INSERT:
1926                 code = LABEL_CODE;
1927                 break;
1928         case LFUN_INFO_INSERT:
1929                 code = INFO_CODE;
1930                 break;
1931         case LFUN_OPTIONAL_INSERT:
1932                 code = OPTARG_CODE;
1933                 enable = cur.paragraph().insetList().count(OPTARG_CODE)
1934                         < cur.paragraph().layout()->optionalargs;
1935                 break;
1936         case LFUN_ENVIRONMENT_INSERT:
1937                 code = BOX_CODE;
1938                 break;
1939         case LFUN_INDEX_INSERT:
1940                 code = INDEX_CODE;
1941                 break;
1942         case LFUN_INDEX_PRINT:
1943                 code = INDEX_PRINT_CODE;
1944                 break;
1945         case LFUN_NOMENCL_INSERT:
1946                 code = NOMENCL_CODE;
1947                 break;
1948         case LFUN_NOMENCL_PRINT:
1949                 code = NOMENCL_PRINT_CODE;
1950                 break;
1951         case LFUN_TOC_INSERT:
1952                 code = TOC_CODE;
1953                 break;
1954         case LFUN_HYPERLINK_INSERT:
1955                 code = HYPERLINK_CODE;
1956                 break;
1957         case LFUN_QUOTE_INSERT:
1958                 // always allow this, since we will inset a raw quote
1959                 // if an inset is not allowed.
1960                 break;
1961         case LFUN_HFILL_INSERT:
1962         case LFUN_SPECIALCHAR_INSERT:
1963                 code = SPECIALCHAR_CODE;
1964                 break;
1965         case LFUN_SPACE_INSERT:
1966                 // slight hack: we know this is allowed in math mode
1967                 if (cur.inTexted())
1968                         code = SPACE_CODE;
1969                 break;
1970
1971         case LFUN_INSET_MODIFY:
1972                 // We need to disable this, because we may get called for a
1973                 // tabular cell via
1974                 // InsetTabular::getStatus() -> InsetText::getStatus()
1975                 // and we don't handle LFUN_INSET_MODIFY.
1976                 enable = false;
1977                 break;
1978
1979         case LFUN_FONT_EMPH:
1980                 flag.setOnOff(fontinfo.emph() == FONT_ON);
1981                 return true;
1982
1983         case LFUN_FONT_NOUN:
1984                 flag.setOnOff(fontinfo.noun() == FONT_ON);
1985                 return true;
1986
1987         case LFUN_FONT_BOLD:
1988                 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
1989                 return true;
1990
1991         case LFUN_FONT_SANS:
1992                 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
1993                 return true;
1994
1995         case LFUN_FONT_ROMAN:
1996                 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
1997                 return true;
1998
1999         case LFUN_FONT_TYPEWRITER:
2000                 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2001                 return true;
2002
2003         case LFUN_CUT:
2004         case LFUN_COPY:
2005                 enable = cur.selection();
2006                 break;
2007
2008         case LFUN_PASTE:
2009                 if (cmd.argument().empty()) {
2010                         if (theClipboard().isInternal())
2011                                 enable = cap::numberOfSelections() > 0;
2012                         else
2013                                 enable = !theClipboard().empty();
2014                 } else {
2015                         string const arg = to_utf8(cmd.argument());
2016                         if (isStrUnsignedInt(arg)) {
2017                                 unsigned int n = convert<unsigned int>(arg);
2018                                 enable = cap::numberOfSelections() > n;
2019                         } else
2020                                 // unknown argument
2021                                 enable = false;
2022                 }
2023                 break;
2024
2025         case LFUN_CLIPBOARD_PASTE:
2026                 enable = !theClipboard().empty();
2027                 break;
2028
2029         case LFUN_PRIMARY_SELECTION_PASTE:
2030                 enable = cur.selection() || !theSelection().empty();
2031                 break;
2032
2033         case LFUN_PARAGRAPH_MOVE_UP:
2034                 enable = cur.pit() > 0 && !cur.selection();
2035                 break;
2036
2037         case LFUN_PARAGRAPH_MOVE_DOWN:
2038                 enable = cur.pit() < cur.lastpit() && !cur.selection();
2039                 break;
2040
2041         case LFUN_INSET_DISSOLVE:
2042                 if (!cmd.argument().empty()) {
2043                         InsetLayout il = cur.inset().getLayout(cur.buffer().params());
2044                         enable = cur.inset().lyxCode() == FLEX_CODE
2045                                  && il.lyxtype == to_utf8(cmd.argument());
2046                 } else {
2047                         enable = !isMainText(cur.bv().buffer())
2048                                  && cur.inset().nargs() == 1;
2049                 }
2050                 break;
2051
2052         case LFUN_CHANGE_ACCEPT:
2053         case LFUN_CHANGE_REJECT:
2054                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2055                 // In principle, these LFUNs should only be enabled if there
2056                 // is a change at the current position/in the current selection.
2057                 // However, without proper optimizations, this will inevitably
2058                 // result in unacceptable performance - just imagine a user who
2059                 // wants to select the complete content of a long document.
2060                 enable = true;
2061                 break;
2062
2063         case LFUN_OUTLINE_UP:
2064         case LFUN_OUTLINE_DOWN:
2065         case LFUN_OUTLINE_IN:
2066         case LFUN_OUTLINE_OUT:
2067                 enable = (cur.paragraph().layout()->toclevel != Layout::NOT_IN_TOC);
2068                 break;
2069
2070         case LFUN_WORD_DELETE_FORWARD:
2071         case LFUN_WORD_DELETE_BACKWARD:
2072         case LFUN_LINE_DELETE:
2073         case LFUN_WORD_FORWARD:
2074         case LFUN_WORD_BACKWARD:
2075         case LFUN_WORD_RIGHT:
2076         case LFUN_WORD_LEFT:
2077         case LFUN_CHAR_FORWARD:
2078         case LFUN_CHAR_FORWARD_SELECT:
2079         case LFUN_CHAR_BACKWARD:
2080         case LFUN_CHAR_BACKWARD_SELECT:
2081         case LFUN_CHAR_LEFT:
2082         case LFUN_CHAR_LEFT_SELECT:
2083         case LFUN_CHAR_RIGHT:
2084         case LFUN_CHAR_RIGHT_SELECT:
2085         case LFUN_UP:
2086         case LFUN_UP_SELECT:
2087         case LFUN_DOWN:
2088         case LFUN_DOWN_SELECT:
2089         case LFUN_PARAGRAPH_UP_SELECT:
2090         case LFUN_PARAGRAPH_DOWN_SELECT:
2091         case LFUN_SCREEN_UP_SELECT:
2092         case LFUN_SCREEN_DOWN_SELECT:
2093         case LFUN_LINE_BEGIN_SELECT:
2094         case LFUN_LINE_END_SELECT:
2095         case LFUN_WORD_FORWARD_SELECT:
2096         case LFUN_WORD_BACKWARD_SELECT:
2097         case LFUN_WORD_RIGHT_SELECT:
2098         case LFUN_WORD_LEFT_SELECT:
2099         case LFUN_WORD_SELECT:
2100         case LFUN_PARAGRAPH_UP:
2101         case LFUN_PARAGRAPH_DOWN:
2102         case LFUN_LINE_BEGIN:
2103         case LFUN_LINE_BREAK:
2104         case LFUN_LINE_END:
2105         case LFUN_NEW_LINE:
2106         case LFUN_CHAR_DELETE_FORWARD:
2107         case LFUN_DELETE_FORWARD_SKIP:
2108         case LFUN_CHAR_DELETE_BACKWARD:
2109         case LFUN_DELETE_BACKWARD_SKIP:
2110         case LFUN_BREAK_PARAGRAPH:
2111         case LFUN_BREAK_PARAGRAPH_SKIP:
2112         case LFUN_PARAGRAPH_SPACING:
2113         case LFUN_INSET_INSERT:
2114         case LFUN_WORD_UPCASE:
2115         case LFUN_WORD_LOWCASE:
2116         case LFUN_WORD_CAPITALIZE:
2117         case LFUN_CHARS_TRANSPOSE:
2118         case LFUN_SERVER_GET_XY:
2119         case LFUN_SERVER_SET_XY:
2120         case LFUN_SERVER_GET_FONT:
2121         case LFUN_SERVER_GET_LAYOUT:
2122         case LFUN_LAYOUT:
2123         case LFUN_DATE_INSERT:
2124         case LFUN_SELF_INSERT:
2125         case LFUN_LINE_INSERT:
2126         case LFUN_NEWPAGE_INSERT:
2127         case LFUN_PAGEBREAK_INSERT:
2128         case LFUN_CLEARPAGE_INSERT:
2129         case LFUN_CLEARDOUBLEPAGE_INSERT:
2130         case LFUN_MATH_DISPLAY:
2131         case LFUN_MATH_IMPORT_SELECTION:
2132         case LFUN_MATH_MODE:
2133         case LFUN_MATH_MACRO:
2134         case LFUN_MATH_MATRIX:
2135         case LFUN_MATH_DELIM:
2136         case LFUN_MATH_BIGDELIM:
2137         case LFUN_MATH_INSERT:
2138         case LFUN_MATH_SUBSCRIPT:
2139         case LFUN_MATH_SUPERSCRIPT:
2140         case LFUN_FONT_DEFAULT:
2141         case LFUN_FONT_UNDERLINE:
2142         case LFUN_FONT_SIZE:
2143         case LFUN_LANGUAGE:
2144         case LFUN_FONT_FREE_APPLY:
2145         case LFUN_FONT_FREE_UPDATE:
2146         case LFUN_LAYOUT_PARAGRAPH:
2147         case LFUN_PARAGRAPH_UPDATE:
2148         case LFUN_ACCENT_UMLAUT:
2149         case LFUN_ACCENT_CIRCUMFLEX:
2150         case LFUN_ACCENT_GRAVE:
2151         case LFUN_ACCENT_ACUTE:
2152         case LFUN_ACCENT_TILDE:
2153         case LFUN_ACCENT_CEDILLA:
2154         case LFUN_ACCENT_MACRON:
2155         case LFUN_ACCENT_DOT:
2156         case LFUN_ACCENT_UNDERDOT:
2157         case LFUN_ACCENT_UNDERBAR:
2158         case LFUN_ACCENT_CARON:
2159         case LFUN_ACCENT_SPECIAL_CARON:
2160         case LFUN_ACCENT_BREVE:
2161         case LFUN_ACCENT_TIE:
2162         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2163         case LFUN_ACCENT_CIRCLE:
2164         case LFUN_ACCENT_OGONEK:
2165         case LFUN_THESAURUS_ENTRY:
2166         case LFUN_PARAGRAPH_PARAMS_APPLY:
2167         case LFUN_PARAGRAPH_PARAMS:
2168         case LFUN_ESCAPE:
2169         case LFUN_BUFFER_END:
2170         case LFUN_BUFFER_BEGIN:
2171         case LFUN_BUFFER_BEGIN_SELECT:
2172         case LFUN_BUFFER_END_SELECT:
2173         case LFUN_UNICODE_INSERT:
2174                 // these are handled in our dispatch()
2175                 enable = true;
2176                 break;
2177
2178         default:
2179                 return false;
2180         }
2181
2182         if (code != NO_CODE
2183             && (cur.empty() || !cur.inset().insetAllowed(code)))
2184                 enable = false;
2185
2186         flag.enabled(enable);
2187         return true;
2188 }
2189
2190
2191 void Text::pasteString(Cursor & cur, docstring const & clip,
2192                 bool asParagraphs)
2193 {
2194         cur.clearSelection();
2195         if (!clip.empty()) {
2196                 cur.recordUndo();
2197                 if (asParagraphs)
2198                         insertStringAsParagraphs(cur, clip);
2199                 else
2200                         insertStringAsLines(cur, clip);
2201         }
2202 }
2203
2204 } // namespace lyx