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 "DispatchResult.h"
  31 #include "ErrorList.h"
  32 #include "factory.h"
  33 #include "FuncRequest.h"
  34 #include "InsetList.h"
  35 #include "Intl.h"
  36 #include "Language.h"
  37 #include "Layout.h"
  38 #include "LyXAction.h"
  39 #include "LyXFunc.h"
  40 #include "Lexer.h"
  41 #include "LyXRC.h"
  42 #include "Paragraph.h"
  43 #include "paragraph_funcs.h"
  44 #include "ParagraphParameters.h"
  45 #include "TextClass.h"
  46 #include "TextMetrics.h"
  47 #include "VSpace.h"
  48
  49 #include "frontends/Clipboard.h"
  50 #include "frontends/Selection.h"
  51
  52 #include "insets/InsetCollapsable.h"
  53 #include "insets/InsetCommand.h"
  54 #include "insets/InsetFloatList.h"
  55 #include "insets/InsetNewline.h"
  56 #include "insets/InsetQuotes.h"
  57 #include "insets/InsetSpecialChar.h"
  58 #include "insets/InsetText.h"
  59 #include "insets/InsetInfo.h"
  60
  61 #include "support/convert.h"
  62 #include "support/debug.h"
  63 #include "support/gettext.h"
  64 #include "support/lstrings.h"
  65 #include "support/lyxtime.h"
  66
  67 #include "mathed/InsetMathHull.h"
  68 #include "mathed/MathMacroTemplate.h"
  69
  70 #include <boost/next_prior.hpp>
  71
  72 #include <clocale>
  73 #include <sstream>
  74
  75 using namespace std;
  76 using namespace lyx::support;
  77
  78 namespace lyx {
  79
  80 using cap::copySelection;
  81 using cap::cutSelection;
  82 using cap::pasteFromStack;
  83 using cap::pasteClipboardText;
  84 using cap::pasteClipboardGraphics;
  85 using cap::replaceSelection;
  86
  87 // globals...
  88 static Font freefont(ignore_font, ignore_language);
  89 static bool toggleall = false;
  90
  91 static void toggleAndShow(Cursor & cur, Text * text,
  92         Font const & font, bool toggleall = true)
  93 {
  94         text->toggleFree(cur, font, toggleall);
  95
  96         if (font.language() != ignore_language ||
  97             font.fontInfo().number() != FONT_IGNORE) {
  98                 TextMetrics const & tm = cur.bv().textMetrics(text);
  99                 if (cur.boundary() != tm.isRTLBoundary(cur.pit(), cur.pos(),
 100                                                        cur.real_current_font))
 101                         text->setCursor(cur, cur.pit(), cur.pos(),
 102                                         false, !cur.boundary());
 103         }
 104 }
 105
 106
 107 static void moveCursor(Cursor & cur, bool selecting)
 108 {
 109         if (selecting || cur.mark())
 110                 cur.setSelection();
 111 }
 112
 113
 114 static void finishChange(Cursor & cur, bool selecting)
 115 {
 116         cur.finishUndo();
 117         moveCursor(cur, selecting);
 118 }
 119
 120
 121 static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 122 {
 123         cur.recordUndo();
 124         docstring sel = cur.selectionAsString(false);
 125
 126         // It may happen that sel is empty but there is a selection
 127         replaceSelection(cur);
 128
 129         if (sel.empty()) {
 130 #ifdef ENABLE_ASSERTIONS
 131                 const int old_pos = cur.pos();
 132 #endif
 133                 cur.insert(new InsetMathHull(hullSimple));
 134                 BOOST_ASSERT(old_pos == cur.pos());
 135                 cur.nextInset()->edit(cur, true);
 136                 // don't do that also for LFUN_MATH_MODE
 137                 // unless you want end up with always changing
 138                 // to mathrm when opening an inlined inset --
 139                 // I really hate "LyXfunc overloading"...
 140                 if (display)
 141                         cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 142                 // Avoid an unnecessary undo step if cmd.argument
 143                 // is empty
 144                 if (!cmd.argument().empty())
 145                         cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 146                                                  cmd.argument()));
 147         } else {
 148                 // create a macro if we see "\\newcommand"
 149                 // somewhere, and an ordinary formula
 150                 // otherwise
 151                 if (sel.find(from_ascii("\\newcommand")) == string::npos
 152                                 && sel.find(from_ascii("\\newlyxcommand")) == string::npos
 153                                 && sel.find(from_ascii("\\def")) == string::npos)
 154                 {
 155                         InsetMathHull * formula = new InsetMathHull;
 156                         istringstream is(to_utf8(sel));
 157                         Lexer lex(0, 0);
 158                         lex.setStream(is);
 159                         formula->read(lex);
 160                         if (formula->getType() == hullNone)
 161                                 // Don't create pseudo formulas if
 162                                 // delimiters are left out
 163                                 formula->mutate(hullSimple);
 164                         cur.insert(formula);
 165                 } else {
 166                         cur.insert(new MathMacroTemplate(sel));
 167                 }
 168         }
 169         cur.message(from_utf8(N_("Math editor mode")));
 170 }
 171
 172
 173 static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 174 {
 175         cur.recordUndo();
 176         cap::replaceSelection(cur);
 177         cur.insert(new InsetSpecialChar(kind));
 178         cur.posForward();
 179 }
 180
 181
 182 static bool doInsertInset(Cursor & cur, Text * text,
 183         FuncRequest const & cmd, bool edit, bool pastesel)
 184 {
 185         Buffer & buffer = cur.bv().buffer();
 186         BufferParams const & bparams = buffer.params();
 187         Inset * inset = createInset(buffer, cmd);
 188         if (!inset)
 189                 return false;
 190
 191         if (InsetCollapsable * ci = inset->asInsetCollapsable())
 192                 ci->setLayout(bparams);
 193
 194         cur.recordUndo();
 195         if (cmd.action == LFUN_INDEX_INSERT) {
 196                 docstring ds = subst(text->getStringToIndex(cur), '\n', ' ');
 197                 text->insertInset(cur, inset);
 198                 if (edit)
 199                         inset->edit(cur, true);
 200                 // Now put this into inset
 201                 static_cast<InsetCollapsable *>(inset)->text_.insertStringAsParagraphs(cur, ds);
 202                 return true;
 203         }
 204
 205         bool gotsel = false;
 206         if (cur.selection()) {
 207                 lyx::dispatch(FuncRequest(LFUN_CUT));
 208                 gotsel = true;
 209         }
 210         text->insertInset(cur, inset);
 211
 212         if (edit)
 213                 inset->edit(cur, true);
 214
 215         if (!gotsel || !pastesel)
 216                 return true;
 217
 218         lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 219         InsetText * insetText = dynamic_cast<InsetText *>(inset);
 220         if (insetText && !insetText->allowMultiPar() || cur.lastpit() == 0) {
 221                 // reset first par to default
 222                 cur.text()->paragraphs().begin()
 223                         ->setEmptyOrDefaultLayout(bparams.documentClass());
 224                 cur.pos() = 0;
 225                 cur.pit() = 0;
 226                 // Merge multiple paragraphs -- hack
 227                 while (cur.lastpit() > 0)
 228                         mergeParagraph(bparams, cur.text()->paragraphs(), 0);
 229         } else {
 230                 // reset surrounding par to default
 231                 docstring const layoutname = insetText->useEmptyLayout()
 232                         ? bparams.documentClass().emptyLayoutName()
 233                         : bparams.documentClass().defaultLayoutName();
 234                 cur.leaveInset(*inset);
 235                 text->setLayout(cur, layoutname);
 236         }
 237
 238         return true;
 239 }
 240
 241
 242 string const freefont2string()
 243 {
 244         return freefont.toString(toggleall);
 245 }
 246
 247
 248 /// the type of outline operation
 249 enum OutlineOp {
 250         OutlineUp, // Move this header with text down
 251         OutlineDown,   // Move this header with text up
 252         OutlineIn, // Make this header deeper
 253         OutlineOut // Make this header shallower
 254 };
 255
 256
 257 static void outline(OutlineOp mode, Cursor & cur)
 258 {
 259         Buffer & buf = cur.buffer();
 260         pit_type & pit = cur.pit();
 261         ParagraphList & pars = buf.text().paragraphs();
 262         ParagraphList::iterator bgn = pars.begin();
 263         // The first paragraph of the area to be copied:
 264         ParagraphList::iterator start = boost::next(bgn, pit);
 265         // The final paragraph of area to be copied:
 266         ParagraphList::iterator finish = start;
 267         ParagraphList::iterator end = pars.end();
 268
 269         DocumentClass const & tc = buf.params().documentClass();
 270
 271         int const thistoclevel = start->layout()->toclevel;
 272         int toclevel;
 273
 274         // Move out (down) from this section header
 275         if (finish != end)
 276                 ++finish;
 277         // Seek the one (on same level) below
 278         for (; finish != end; ++finish) {
 279                 toclevel = finish->layout()->toclevel;
 280                 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel) {
 281                         break;
 282                 }
 283         }
 284
 285         switch (mode) {
 286                 case OutlineUp: {
 287                         ParagraphList::iterator dest = start;
 288                         // Move out (up) from this header
 289                         if (dest == bgn)
 290                                 return;
 291                         // Search previous same-level header above
 292                         do {
 293                                 --dest;
 294                                 toclevel = dest->layout()->toclevel;
 295                         } while(dest != bgn
 296                                 && (toclevel == Layout::NOT_IN_TOC
 297                                     || toclevel > thistoclevel));
 298                         // Not found; do nothing
 299                         if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
 300                                 return;
 301                         pit_type const newpit = distance(bgn, dest);
 302                         pit_type const len = distance(start, finish);
 303                         pit_type const deletepit = pit + len;
 304                         buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
 305                         pars.insert(dest, start, finish);
 306                         start = boost::next(pars.begin(), deletepit);
 307                         pit = newpit;
 308                         pars.erase(start, finish);
 309                         return;
 310                 }
 311                 case OutlineDown: {
 312                         ParagraphList::iterator dest = finish;
 313                         // One such was found:
 314                         pit_type newpit = distance(bgn, dest);
 315                         pit_type const len = distance(start, finish);
 316                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
 317                         pars.insert(dest, start, finish);
 318                         start = boost::next(bgn, pit);
 319                         pit = newpit - len;
 320                         pars.erase(start, finish);
 321                         return;
 322                 }
 323                 case OutlineIn: {
 324                         pit_type const len = distance(start, finish);
 325                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 326                         for (; start != finish; ++start) {
 327                                 toclevel = start->layout()->toclevel;
 328                                 if (toclevel == Layout::NOT_IN_TOC)
 329                                         continue;
 330                                 DocumentClass::const_iterator lit = tc.begin();
 331                                 DocumentClass::const_iterator len = tc.end();
 332                                 for (; lit != len; ++lit) {
 333                                         LayoutPtr const & lt = *lit;
 334                                         if (lt->toclevel == toclevel + 1 &&
 335                                             start->layout()->labeltype == lt->labeltype) {
 336                                                 start->setLayout(lt);
 337                                                 break;
 338                                         }
 339                                 }
 340                         }
 341                         return;
 342                 }
 343                 case OutlineOut: {
 344                         pit_type const len = distance(start, finish);
 345                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 346                         for (; start != finish; ++start) {
 347                                 toclevel = start->layout()->toclevel;
 348                                 if (toclevel == Layout::NOT_IN_TOC)
 349                                         continue;
 350                                 DocumentClass::const_iterator lit = tc.begin();
 351                                 DocumentClass::const_iterator len = tc.end();
 352                                 for (; lit != len; ++lit) {
 353                                         LayoutPtr const & lt = *lit;
 354                                         if (lt->toclevel == toclevel - 1 &&
 355                                                 start->layout()->labeltype == lt->labeltype) {
 356                                                         start->setLayout(lt);
 357                                                         break;
 358                                         }
 359                                 }
 360                         }
 361                         return;
 362                 }
 363         }
 364 }
 365
 366
 367 void Text::number(Cursor & cur)
 368 {
 369         FontInfo font = ignore_font;
 370         font.setNumber(FONT_TOGGLE);
 371         toggleAndShow(cur, this, Font(font, ignore_language));
 372 }
 373
 374
 375 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 376 {
 377         return par.isRTL(buffer.params());
 378 }
 379
 380
 381 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 382 {
 383         LYXERR(Debug::ACTION, "Text::dispatch: cmd: " << cmd);
 384
 385         BufferView * bv = &cur.bv();
 386         TextMetrics & tm = bv->textMetrics(this);
 387         if (!tm.contains(cur.pit()))
 388                 lyx::dispatch(FuncRequest(LFUN_SCREEN_RECENTER));
 389
 390         // FIXME: We use the update flag to indicates wether a singlePar or a
 391         // full screen update is needed. We reset it here but shall we restore it
 392         // at the end?
 393         cur.noUpdate();
 394
 395         BOOST_ASSERT(cur.text() == this);
 396         CursorSlice oldTopSlice = cur.top();
 397         bool oldBoundary = cur.boundary();
 398         bool sel = cur.selection();
 399         // Signals that, even if needsUpdate == false, an update of the
 400         // cursor paragraph is required
 401         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 402                 LyXAction::SingleParUpdate);
 403         // Signals that a full-screen update is required
 404         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 405                 LyXAction::NoUpdate) || singleParUpdate);
 406
 407         switch (cmd.action) {
 408
 409         case LFUN_PARAGRAPH_MOVE_DOWN: {
 410                 pit_type const pit = cur.pit();
 411                 recUndo(cur, pit, pit + 1);
 412                 cur.finishUndo();
 413                 swap(pars_[pit], pars_[pit + 1]);
 414                 updateLabels(cur.buffer());
 415                 needsUpdate = true;
 416                 ++cur.pit();
 417                 break;
 418         }
 419
 420         case LFUN_PARAGRAPH_MOVE_UP: {
 421                 pit_type const pit = cur.pit();
 422                 recUndo(cur, pit - 1, pit);
 423                 cur.finishUndo();
 424                 swap(pars_[pit], pars_[pit - 1]);
 425                 updateLabels(cur.buffer());
 426                 --cur.pit();
 427                 needsUpdate = true;
 428                 break;
 429         }
 430
 431         case LFUN_APPENDIX: {
 432                 Paragraph & par = cur.paragraph();
 433                 bool start = !par.params().startOfAppendix();
 434
 435 // FIXME: The code below only makes sense at top level.
 436 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 437                 // ensure that we have only one start_of_appendix in this document
 438                 // FIXME: this don't work for multipart document!
 439                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 440                         if (pars_[tmp].params().startOfAppendix()) {
 441                                 recUndo(cur, tmp);
 442                                 pars_[tmp].params().startOfAppendix(false);
 443                                 break;
 444                         }
 445                 }
 446
 447                 cur.recordUndo();
 448                 par.params().startOfAppendix(start);
 449
 450                 // we can set the refreshing parameters now
 451                 updateLabels(cur.buffer());
 452                 break;
 453         }
 454
 455         case LFUN_WORD_DELETE_FORWARD:
 456                 if (cur.selection()) {
 457                         cutSelection(cur, true, false);
 458                 } else
 459                         deleteWordForward(cur);
 460                 finishChange(cur, false);
 461                 break;
 462
 463         case LFUN_WORD_DELETE_BACKWARD:
 464                 if (cur.selection()) {
 465                         cutSelection(cur, true, false);
 466                 } else
 467                         deleteWordBackward(cur);
 468                 finishChange(cur, false);
 469                 break;
 470
 471         case LFUN_LINE_DELETE:
 472                 if (cur.selection()) {
 473                         cutSelection(cur, true, false);
 474                 } else
 475                         tm.deleteLineForward(cur);
 476                 finishChange(cur, false);
 477                 break;
 478
 479         case LFUN_BUFFER_BEGIN:
 480         case LFUN_BUFFER_BEGIN_SELECT:
 481                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 482                 if (cur.depth() == 1) {
 483                         needsUpdate |= cursorTop(cur);
 484                 } else {
 485                         cur.undispatched();
 486                 }
 487                 cur.updateFlags(Update::FitCursor);
 488                 break;
 489
 490         case LFUN_BUFFER_END:
 491         case LFUN_BUFFER_END_SELECT:
 492                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 493                 if (cur.depth() == 1) {
 494                         needsUpdate |= cursorBottom(cur);
 495                 } else {
 496                         cur.undispatched();
 497                 }
 498                 cur.updateFlags(Update::FitCursor);
 499                 break;
 500
 501         case LFUN_CHAR_FORWARD:
 502         case LFUN_CHAR_FORWARD_SELECT:
 503                 //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
 504                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 505                 needsUpdate |= cursorForward(cur);
 506
 507                 if (!needsUpdate && oldTopSlice == cur.top()
 508                                 && cur.boundary() == oldBoundary) {
 509                         cur.undispatched();
 510                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 511                 }
 512                 break;
 513
 514         case LFUN_CHAR_BACKWARD:
 515         case LFUN_CHAR_BACKWARD_SELECT:
 516                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 517                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 518                 needsUpdate |= cursorBackward(cur);
 519
 520                 if (!needsUpdate && oldTopSlice == cur.top()
 521                         && cur.boundary() == oldBoundary) {
 522                         cur.undispatched();
 523                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 524                 }
 525                 break;
 526
 527         case LFUN_CHAR_LEFT:
 528         case LFUN_CHAR_LEFT_SELECT:
 529                 if (lyxrc.visual_cursor) {
 530                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_LEFT_SELECT);
 531                         needsUpdate |= cursorVisLeft(cur);
 532                         if (!needsUpdate && oldTopSlice == cur.top()
 533                                         && cur.boundary() == oldBoundary) {
 534                                 cur.undispatched();
 535                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 536                         }
 537                 } else {
 538                         if (reverseDirectionNeeded(cur)) {
 539                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 540                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 541                         } else {
 542                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 543                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 544                         }
 545                         dispatch(cur, cmd);
 546                         return;
 547                 }
 548                 break;
 549
 550         case LFUN_CHAR_RIGHT:
 551         case LFUN_CHAR_RIGHT_SELECT:
 552                 if (lyxrc.visual_cursor) {
 553                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_RIGHT_SELECT);
 554                         needsUpdate |= cursorVisRight(cur);
 555                         if (!needsUpdate && oldTopSlice == cur.top()
 556                                         && cur.boundary() == oldBoundary) {
 557                                 cur.undispatched();
 558                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 559                         }
 560                 } else {
 561                         if (reverseDirectionNeeded(cur)) {
 562                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 563                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 564                         } else {
 565                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 566                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 567                         }
 568                         dispatch(cur, cmd);
 569                         return;
 570                 }
 571                 break;
 572
 573
 574         case LFUN_UP_SELECT:
 575         case LFUN_DOWN_SELECT:
 576         case LFUN_UP:
 577         case LFUN_DOWN: {
 578                 // stop/start the selection
 579                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 580                         cmd.action == LFUN_UP_SELECT;
 581                 cur.selHandle(select);
 582
 583                 // move cursor up/down
 584                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 585                 bool const successful = cur.upDownInText(up, needsUpdate);
 586                 if (successful) {
 587                         // redraw if you leave mathed (for the decorations)
 588                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 589                 } else
 590                         cur.undispatched();
 591
 592                 break;
 593         }
 594
 595         case LFUN_PARAGRAPH_UP:
 596         case LFUN_PARAGRAPH_UP_SELECT:
 597                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 598                 needsUpdate |= cursorUpParagraph(cur);
 599                 break;
 600
 601         case LFUN_PARAGRAPH_DOWN:
 602         case LFUN_PARAGRAPH_DOWN_SELECT:
 603                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 604                 needsUpdate |= cursorDownParagraph(cur);
 605                 break;
 606
 607         case LFUN_LINE_BEGIN:
 608         case LFUN_LINE_BEGIN_SELECT:
 609                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 610                 needsUpdate |= tm.cursorHome(cur);
 611                 break;
 612
 613         case LFUN_LINE_END:
 614         case LFUN_LINE_END_SELECT:
 615                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 616                 needsUpdate |= tm.cursorEnd(cur);
 617                 break;
 618
 619         case LFUN_WORD_RIGHT:
 620         case LFUN_WORD_RIGHT_SELECT:
 621                 //FIXME: for visual cursor mode, really move right
 622                 if (reverseDirectionNeeded(cur)) {
 623                         cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 624                                         LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 625                 } else {
 626                         cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 627                                         LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 628                 }
 629                 dispatch(cur, cmd);
 630                 return;
 631
 632         case LFUN_WORD_FORWARD:
 633         case LFUN_WORD_FORWARD_SELECT:
 634                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 635                 needsUpdate |= cursorForwardOneWord(cur);
 636                 break;
 637
 638         case LFUN_WORD_LEFT:
 639         case LFUN_WORD_LEFT_SELECT:
 640                 //FIXME: for visual cursor mode, really move left
 641                 if (reverseDirectionNeeded(cur)) {
 642                         cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 643                                         LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 644                 } else {
 645                         cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 646                                         LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 647                 }
 648                 dispatch(cur, cmd);
 649                 return;
 650
 651         case LFUN_WORD_BACKWARD:
 652         case LFUN_WORD_BACKWARD_SELECT:
 653                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 654                 needsUpdate |= cursorBackwardOneWord(cur);
 655                 break;
 656
 657         case LFUN_WORD_SELECT: {
 658                 selectWord(cur, WHOLE_WORD);
 659                 finishChange(cur, true);
 660                 break;
 661         }
 662
 663         case LFUN_NEW_LINE: {
 664                 // Not allowed by LaTeX (labels or empty par)
 665                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 666                         // this avoids a double undo
 667                         // FIXME: should not be needed, ideally
 668                         if (!cur.selection())
 669                                 cur.recordUndo();
 670                         cap::replaceSelection(cur);
 671                         cur.insert(new InsetNewline);
 672                         cur.posForward();
 673                         moveCursor(cur, false);
 674                 }
 675                 break;
 676         }
 677
 678         case LFUN_LINE_BREAK: {
 679                 // Not allowed by LaTeX (labels or empty par)
 680                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 681                         // this avoids a double undo
 682                         // FIXME: should not be needed, ideally
 683                         if (!cur.selection())
 684                                 cur.recordUndo();
 685                         cap::replaceSelection(cur);
 686                         cur.insert(new InsetLinebreak);
 687                         cur.posForward();
 688                         moveCursor(cur, false);
 689                 }
 690                 break;
 691         }
 692
 693         case LFUN_CHAR_DELETE_FORWARD:
 694                 if (!cur.selection()) {
 695                         if (cur.pos() == cur.paragraph().size())
 696                                 // Par boundary, force full-screen update
 697                                 singleParUpdate = false;
 698                         needsUpdate |= erase(cur);
 699                         cur.resetAnchor();
 700                         // It is possible to make it a lot faster still
 701                         // just comment out the line below...
 702                 } else {
 703                         cutSelection(cur, true, false);
 704                         singleParUpdate = false;
 705                 }
 706                 moveCursor(cur, false);
 707                 break;
 708
 709         case LFUN_DELETE_FORWARD_SKIP:
 710                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 711                 if (!cur.selection()) {
 712                         if (cur.pos() == cur.lastpos()) {
 713                                 cursorForward(cur);
 714                                 cursorBackward(cur);
 715                         }
 716                         erase(cur);
 717                         cur.resetAnchor();
 718                 } else {
 719                         cutSelection(cur, true, false);
 720                 }
 721                 break;
 722
 723
 724         case LFUN_CHAR_DELETE_BACKWARD:
 725                 if (!cur.selection()) {
 726                         if (bv->getIntl().getTransManager().backspace()) {
 727                                 // Par boundary, full-screen update
 728                                 if (cur.pos() == 0)
 729                                         singleParUpdate = false;
 730                                 needsUpdate |= backspace(cur);
 731                                 cur.resetAnchor();
 732                                 // It is possible to make it a lot faster still
 733                                 // just comment out the line below...
 734                         }
 735                 } else {
 736                         cutSelection(cur, true, false);
 737                         singleParUpdate = false;
 738                 }
 739                 break;
 740
 741         case LFUN_DELETE_BACKWARD_SKIP:
 742                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 743                 if (!cur.selection()) {
 744                         // FIXME: look here
 745                         //CursorSlice cur = cursor();
 746                         backspace(cur);
 747                         //anchor() = cur;
 748                 } else {
 749                         cutSelection(cur, true, false);
 750                 }
 751                 break;
 752
 753         case LFUN_BREAK_PARAGRAPH:
 754                 cap::replaceSelection(cur);
 755                 breakParagraph(cur, cmd.argument() == "inverse");
 756                 cur.resetAnchor();
 757                 break;
 758
 759         case LFUN_BREAK_PARAGRAPH_SKIP: {
 760                 // When at the beginning of a paragraph, remove
 761                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 762                 cap::replaceSelection(cur);
 763                 if (cur.pos() == 0)
 764                         cur.paragraph().params().labelWidthString(docstring());
 765                 else
 766                         breakParagraph(cur, false);
 767                 cur.resetAnchor();
 768                 break;
 769         }
 770
 771         // TODO
 772         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 773         // as its duties can be performed there. Should it be removed??
 774         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 775         case LFUN_PARAGRAPH_SPACING: {
 776                 Paragraph & par = cur.paragraph();
 777                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 778                 string cur_value = "1.0";
 779                 if (cur_spacing == Spacing::Other)
 780                         cur_value = par.params().spacing().getValueAsString();
 781
 782                 istringstream is(to_utf8(cmd.argument()));
 783                 string tmp;
 784                 is >> tmp;
 785                 Spacing::Space new_spacing = cur_spacing;
 786                 string new_value = cur_value;
 787                 if (tmp.empty()) {
 788                         lyxerr << "Missing argument to `paragraph-spacing'"
 789                                << endl;
 790                 } else if (tmp == "single") {
 791                         new_spacing = Spacing::Single;
 792                 } else if (tmp == "onehalf") {
 793                         new_spacing = Spacing::Onehalf;
 794                 } else if (tmp == "double") {
 795                         new_spacing = Spacing::Double;
 796                 } else if (tmp == "other") {
 797                         new_spacing = Spacing::Other;
 798                         string tmpval = "0.0";
 799                         is >> tmpval;
 800                         lyxerr << "new_value = " << tmpval << endl;
 801                         if (tmpval != "0.0")
 802                                 new_value = tmpval;
 803                 } else if (tmp == "default") {
 804                         new_spacing = Spacing::Default;
 805                 } else {
 806                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 807                                << to_utf8(cmd.argument()) << endl;
 808                 }
 809                 if (cur_spacing != new_spacing || cur_value != new_value)
 810                         par.params().spacing(Spacing(new_spacing, new_value));
 811                 break;
 812         }
 813
 814         case LFUN_INSET_INSERT: {
 815                 cur.recordUndo();
 816                 Inset * inset = createInset(bv->buffer(), cmd);
 817                 if (inset) {
 818                         // FIXME (Abdel 01/02/2006):
 819                         // What follows would be a partial fix for bug 2154:
 820                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 821                         // This automatically put the label inset _after_ a
 822                         // numbered section. It should be possible to extend the mechanism
 823                         // to any kind of LateX environement.
 824                         // The correct way to fix that bug would be at LateX generation.
 825                         // I'll let the code here for reference as it could be used for some
 826                         // other feature like "automatic labelling".
 827                         /*
 828                         Paragraph & par = pars_[cur.pit()];
 829                         if (inset->lyxCode() == LABEL_CODE
 830                                 && par.layout()->labeltype == LABEL_COUNTER) {
 831                                 // Go to the end of the paragraph
 832                                 // Warning: Because of Change-Tracking, the last
 833                                 // position is 'size()' and not 'size()-1':
 834                                 cur.pos() = par.size();
 835                                 // Insert a new paragraph
 836                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 837                                 dispatch(cur, fr);
 838                         }
 839                         */
 840                         if (cur.selection())
 841                                 cutSelection(cur, true, false);
 842                         cur.insert(inset);
 843                         cur.posForward();
 844                 }
 845                 break;
 846         }
 847
 848         case LFUN_INSET_DISSOLVE:
 849                 needsUpdate |= dissolveInset(cur);
 850                 break;
 851
 852         case LFUN_INSET_SETTINGS:
 853                 cur.inset().showInsetDialog(bv);
 854                 break;
 855
 856         case LFUN_SPACE_INSERT:
 857                 if (cur.paragraph().layout()->free_spacing)
 858                         insertChar(cur, ' ');
 859                 else {
 860                         doInsertInset(cur, this, cmd, false, false);
 861                         cur.posForward();
 862                 }
 863                 moveCursor(cur, false);
 864                 break;
 865
 866         case LFUN_SPECIALCHAR_INSERT: {
 867                 string const name = to_utf8(cmd.argument());
 868                 if (name == "hyphenation")
 869                         specialChar(cur, InsetSpecialChar::HYPHENATION);
 870                 else if (name == "ligature-break")
 871                         specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 872                 else if (name == "slash")
 873                         specialChar(cur, InsetSpecialChar::SLASH);
 874                 else if (name == "nobreakdash")
 875                         specialChar(cur, InsetSpecialChar::NOBREAKDASH);
 876                 else if (name == "dots")
 877                         specialChar(cur, InsetSpecialChar::LDOTS);
 878                 else if (name == "end-of-sentence")
 879                         specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 880                 else if (name == "menu-separator")
 881                         specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 882                 else if (name.empty())
 883                         lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
 884                 else
 885                         lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
 886                 break;
 887         }
 888
 889         case LFUN_WORD_UPCASE:
 890                 changeCase(cur, text_uppercase);
 891                 break;
 892
 893         case LFUN_WORD_LOWCASE:
 894                 changeCase(cur, text_lowercase);
 895                 break;
 896
 897         case LFUN_WORD_CAPITALIZE:
 898                 changeCase(cur, text_capitalization);
 899                 break;
 900
 901         case LFUN_CHARS_TRANSPOSE:
 902                 charsTranspose(cur);
 903                 break;
 904
 905         case LFUN_PASTE: {
 906                 cur.message(_("Paste"));
 907                 cap::replaceSelection(cur);
 908
 909                 // without argument?
 910                 string const arg = to_utf8(cmd.argument());
 911                 if (arg.empty()) {
 912                         if (theClipboard().isInternal())
 913                                 pasteFromStack(cur, bv->buffer().errorList("Paste"), 0);
 914                         else if (theClipboard().hasGraphicsContents())
 915                                 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"));
 916                         else
 917                                 pasteClipboardText(cur, bv->buffer().errorList("Paste"));
 918                 } else if (isStrUnsignedInt(arg)) {
 919                         // we have a numerical argument
 920                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 921                                        convert<unsigned int>(arg));
 922                 } else {
 923                         Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
 924                         if (arg == "pdf")
 925                                 type = Clipboard::PdfGraphicsType;
 926                         else if (arg == "png")
 927                                 type = Clipboard::PngGraphicsType;
 928                         else if (arg == "jpeg")
 929                                 type = Clipboard::JpegGraphicsType;
 930                         else if (arg == "linkback")
 931                                 type = Clipboard::LinkBackGraphicsType;
 932                         else
 933                                 BOOST_ASSERT(false);
 934
 935                         pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
 936                 }
 937
 938                 bv->buffer().errors("Paste");
 939                 cur.clearSelection(); // bug 393
 940                 cur.finishUndo();
 941                 break;
 942         }
 943
 944         case LFUN_CUT:
 945                 cutSelection(cur, true, true);
 946                 cur.message(_("Cut"));
 947                 break;
 948
 949         case LFUN_COPY:
 950                 copySelection(cur);
 951                 cur.message(_("Copy"));
 952                 break;
 953
 954         case LFUN_SERVER_GET_XY:
 955                 cur.message(from_utf8(
 956                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 957                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 958                 break;
 959
 960         case LFUN_SERVER_SET_XY: {
 961                 int x = 0;
 962                 int y = 0;
 963                 istringstream is(to_utf8(cmd.argument()));
 964                 is >> x >> y;
 965                 if (!is)
 966                         lyxerr << "SETXY: Could not parse coordinates in '"
 967                                << to_utf8(cmd.argument()) << endl;
 968                 else
 969                         tm.setCursorFromCoordinates(cur, x, y);
 970                 break;
 971         }
 972
 973         case LFUN_SERVER_GET_FONT:
 974                 if (cur.current_font.fontInfo().shape() == ITALIC_SHAPE)
 975                         cur.message(from_ascii("E"));
 976                 else if (cur.current_font.fontInfo().shape() == SMALLCAPS_SHAPE)
 977                         cur.message(from_ascii("N"));
 978                 else
 979                         cur.message(from_ascii("0"));
 980                 break;
 981
 982         case LFUN_SERVER_GET_LAYOUT:
 983                 cur.message(cur.paragraph().layout()->name());
 984                 break;
 985
 986         case LFUN_LAYOUT: {
 987                 docstring layout = cmd.argument();
 988                 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
 989
 990                 Paragraph const & para = cur.paragraph();
 991                 docstring const old_layout = para.layout()->name();
 992                 DocumentClass const & tclass = bv->buffer().params().documentClass();
 993
 994                 if (layout.empty())
 995                         layout = tclass.defaultLayoutName();
 996
 997                 if (para.forceEmptyLayout())
 998                         // in this case only the empty layout is allowed
 999                         layout = tclass.emptyLayoutName();
1000                 else if (para.useEmptyLayout()) {
1001                         // in this case, default layout maps to empty layout
1002                         if (layout == tclass.defaultLayoutName())
1003                                 layout = tclass.emptyLayoutName();
1004                 } else {
1005                         // otherwise, the empty layout maps to the default
1006                         if (layout == tclass.emptyLayoutName())
1007                                 layout = tclass.defaultLayoutName();
1008                 }
1009
1010                 bool hasLayout = tclass.hasLayout(layout);
1011
1012                 // If the entry is obsolete, use the new one instead.
1013                 if (hasLayout) {
1014                         docstring const & obs = tclass[layout]->obsoleted_by();
1015                         if (!obs.empty())
1016                                 layout = obs;
1017                 }
1018
1019                 if (!hasLayout) {
1020                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
1021                                 from_utf8(N_(" not known")));
1022                         break;
1023                 }
1024
1025                 bool change_layout = (old_layout != layout);
1026
1027                 if (!change_layout && cur.selection() &&
1028                         cur.selBegin().pit() != cur.selEnd().pit())
1029                 {
1030                         pit_type spit = cur.selBegin().pit();
1031                         pit_type epit = cur.selEnd().pit() + 1;
1032                         while (spit != epit) {
1033                                 if (pars_[spit].layout()->name() != old_layout) {
1034                                         change_layout = true;
1035                                         break;
1036                                 }
1037                                 ++spit;
1038                         }
1039                 }
1040
1041                 if (change_layout)
1042                         setLayout(cur, layout);
1043
1044                 break;
1045         }
1046
1047         case LFUN_CLIPBOARD_PASTE:
1048                 cur.clearSelection();
1049                 pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1050                                cmd.argument() == "paragraph");
1051                 bv->buffer().errors("Paste");
1052                 break;
1053
1054         case LFUN_PRIMARY_SELECTION_PASTE:
1055                 pasteString(cur, theSelection().get(),
1056                             cmd.argument() == "paragraph");
1057                 break;
1058
1059         case LFUN_UNICODE_INSERT: {
1060                 if (cmd.argument().empty())
1061                         break;
1062                 docstring hexstring = cmd.argument();
1063                 if (isHex(hexstring)) {
1064                         char_type c = hexToInt(hexstring);
1065                         if (c >= 32 && c < 0x10ffff) {
1066                                 lyxerr << "Inserting c: " << c << endl;
1067                                 docstring s = docstring(1, c);
1068                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1069                         }
1070                 }
1071                 break;
1072         }
1073
1074         case LFUN_QUOTE_INSERT: {
1075                 Paragraph & par = cur.paragraph();
1076                 pos_type pos = cur.pos();
1077                 BufferParams const & bufparams = bv->buffer().params();
1078                 LayoutPtr const & style = par.layout();
1079                 if (!style->pass_thru
1080                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1081                         // this avoids a double undo
1082                         // FIXME: should not be needed, ideally
1083                         if (!cur.selection())
1084                                 cur.recordUndo();
1085                         cap::replaceSelection(cur);
1086                         pos = cur.pos();
1087                         char_type c;
1088                         if (pos == 0)
1089                                 c = ' ';
1090                         else if (cur.prevInset() && cur.prevInset()->isSpace())
1091                                 c = ' ';
1092                         else
1093                                 c = par.getChar(pos - 1);
1094                         string arg = to_utf8(cmd.argument());
1095                         if (arg == "single")
1096                                 cur.insert(new InsetQuotes(c,
1097                                     bufparams.quotes_language,
1098                                     InsetQuotes::SingleQ));
1099                         else
1100                                 cur.insert(new InsetQuotes(c,
1101                                     bufparams.quotes_language,
1102                                     InsetQuotes::DoubleQ));
1103                         cur.posForward();
1104                 }
1105                 else
1106                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1107                 break;
1108         }
1109
1110         case LFUN_DATE_INSERT: {
1111                 string const format = cmd.argument().empty()
1112                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1113                 string const time = formatted_time(current_time(), format);
1114                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1115                 break;
1116         }
1117
1118         case LFUN_MOUSE_TRIPLE:
1119                 if (cmd.button() == mouse_button::button1) {
1120                         tm.cursorHome(cur);
1121                         cur.resetAnchor();
1122                         tm.cursorEnd(cur);
1123                         cur.setSelection();
1124                         bv->cursor() = cur;
1125                 }
1126                 break;
1127
1128         case LFUN_MOUSE_DOUBLE:
1129                 if (cmd.button() == mouse_button::button1) {
1130                         selectWord(cur, WHOLE_WORD_STRICT);
1131                         bv->cursor() = cur;
1132                 }
1133                 break;
1134
1135         // Single-click on work area
1136         case LFUN_MOUSE_PRESS: {
1137                 // Right click on a footnote flag opens float menu
1138                 // FIXME: Why should we clear the selection in this case?
1139                 if (cmd.button() == mouse_button::button3)
1140                         cur.clearSelection();
1141
1142                 bool do_selection = cmd.button() == mouse_button::button1
1143                         && cmd.argument() == "region-select";
1144                 // Set the cursor
1145                 bool update = bv->mouseSetCursor(cur, do_selection);
1146
1147                 // Insert primary selection with middle mouse
1148                 // if there is a local selection in the current buffer,
1149                 // insert this
1150                 if (cmd.button() == mouse_button::button2) {
1151                         if (cap::selection()) {
1152                                 // Copy the selection buffer to the clipboard
1153                                 // stack, because we want it to appear in the
1154                                 // "Edit->Paste recent" menu.
1155                                 cap::copySelectionToStack();
1156
1157                                 cap::pasteSelection(bv->cursor(),
1158                                                     bv->buffer().errorList("Paste"));
1159                                 bv->buffer().errors("Paste");
1160                                 bv->buffer().markDirty();
1161                                 bv->cursor().finishUndo();
1162                         } else {
1163                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1164                         }
1165                 }
1166
1167                 // we have to update after dEPM triggered
1168                 if (!update && cmd.button() == mouse_button::button1) {
1169                         needsUpdate = false;
1170                         cur.noUpdate();
1171                 }
1172
1173                 break;
1174         }
1175
1176         case LFUN_MOUSE_MOTION: {
1177                 // Only use motion with button 1
1178                 //if (cmd.button() != mouse_button::button1)
1179                 //      return false;
1180
1181                 // ignore motions deeper nested than the real anchor
1182                 Cursor & bvcur = cur.bv().cursor();
1183                 if (!bvcur.anchor_.hasPart(cur)) {
1184                         cur.undispatched();
1185                         break;
1186                 }
1187                 CursorSlice old = bvcur.top();
1188
1189                 int const wh = bv->workHeight();
1190                 int const y = max(0, min(wh - 1, cmd.y));
1191
1192                 tm.setCursorFromCoordinates(cur, cmd.x, y);
1193                 cur.setTargetX(cmd.x);
1194                 if (cmd.y >= wh)
1195                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1196                 else if (cmd.y < 0)
1197                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1198                 // This is to allow jumping over large insets
1199                 if (cur.top() == old) {
1200                         if (cmd.y >= wh)
1201                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1202                         else if (cmd.y < 0)
1203                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1204                 }
1205
1206                 if (cur.top() == old)
1207                         cur.noUpdate();
1208                 else {
1209                         // FIXME: This is brute force! But without it the selected
1210                         // area is not corrected updated while moving the mouse.
1211                         cur.updateFlags(Update::Force | Update::FitCursor);
1212                         // don't set anchor_
1213                         bvcur.setCursor(cur);
1214                         bvcur.selection() = true;
1215                         //lyxerr << "MOTION: " << bv->cursor() << endl;
1216                 }
1217                 break;
1218         }
1219
1220         case LFUN_MOUSE_RELEASE: {
1221                 if (cmd.button() == mouse_button::button2)
1222                         break;
1223
1224                 if (cmd.button() == mouse_button::button1) {
1225                         // if there is new selection, update persistent
1226                         // selection, otherwise, single click does not
1227                         // clear persistent selection buffer
1228                         if (cur.selection()) {
1229                                 // finish selection
1230                                 // if double click, cur is moved to the end of word by selectWord
1231                                 // but bvcur is current mouse position
1232                                 Cursor & bvcur = cur.bv().cursor();
1233                                 bvcur.selection() = true;
1234                         }
1235                         needsUpdate = false;
1236                         cur.noUpdate();
1237                 }
1238
1239                 break;
1240         }
1241
1242         case LFUN_SELF_INSERT: {
1243                 if (cmd.argument().empty())
1244                         break;
1245
1246                 // Automatically delete the currently selected
1247                 // text and replace it with what is being
1248                 // typed in now. Depends on lyxrc settings
1249                 // "auto_region_delete", which defaults to
1250                 // true (on).
1251
1252                 if (lyxrc.auto_region_delete && cur.selection())
1253                         cutSelection(cur, false, false);
1254
1255                 cur.clearSelection();
1256                 Font const old_font = cur.real_current_font;
1257
1258                 docstring::const_iterator cit = cmd.argument().begin();
1259                 docstring::const_iterator end = cmd.argument().end();
1260                 for (; cit != end; ++cit)
1261                         bv->translateAndInsert(*cit, this, cur);
1262
1263                 cur.resetAnchor();
1264                 moveCursor(cur, false);
1265                 break;
1266         }
1267
1268         case LFUN_HYPERLINK_INSERT: {
1269                 InsetCommandParams p(HYPERLINK_CODE);
1270                 docstring content;
1271                 if (cur.selection()) {
1272                         content = cur.selectionAsString(false);
1273                         cutSelection(cur, true, false);
1274                 }
1275                 p["target"] = (cmd.argument().empty()) ?
1276                         content : cmd.argument();
1277                 string const data = InsetCommandMailer::params2string("href", p);
1278                 if (p["target"].empty()) {
1279                         bv->showDialog("href", data);
1280                 } else {
1281                         FuncRequest fr(LFUN_INSET_INSERT, data);
1282                         dispatch(cur, fr);
1283                 }
1284                 break;
1285         }
1286
1287         case LFUN_LABEL_INSERT: {
1288                 InsetCommandParams p(LABEL_CODE);
1289                 // Try to generate a valid label
1290                 p["name"] = (cmd.argument().empty()) ?
1291                         cur.getPossibleLabel() :
1292                         cmd.argument();
1293                 string const data = InsetCommandMailer::params2string("label", p);
1294
1295                 if (cmd.argument().empty()) {
1296                         bv->showDialog("label", data);
1297                 } else {
1298                         FuncRequest fr(LFUN_INSET_INSERT, data);
1299                         dispatch(cur, fr);
1300                 }
1301                 break;
1302         }
1303
1304         case LFUN_INFO_INSERT: {
1305                 Inset * inset = createInset(cur.bv().buffer(), cmd);
1306                 if (!inset)
1307                         break;
1308                 // if an empty inset is created (cmd.argument() is empty)
1309                 // use current selection as parameter.
1310                 if (cmd.argument().empty() && cur.selection()) {
1311                         // use selected text as info to avoid a separate UI
1312                         docstring ds = cur.selectionAsString(false);
1313                         cutSelection(cur, true, false);
1314                         static_cast<InsetInfo *>(inset)->setInfo(to_utf8(ds));
1315                         static_cast<InsetInfo *>(inset)->updateInfo();
1316                 }
1317                 insertInset(cur, inset);
1318                 cur.posForward();
1319                 break;
1320         }
1321 #if 0
1322         case LFUN_LIST_INSERT:
1323 #endif
1324         case LFUN_CAPTION_INSERT:
1325         case LFUN_FOOTNOTE_INSERT:
1326         case LFUN_NOTE_INSERT:
1327         case LFUN_FLEX_INSERT:
1328         case LFUN_BOX_INSERT:
1329         case LFUN_BRANCH_INSERT:
1330         case LFUN_BIBITEM_INSERT:
1331         case LFUN_ERT_INSERT:
1332         case LFUN_LISTING_INSERT:
1333         case LFUN_MARGINALNOTE_INSERT:
1334         case LFUN_OPTIONAL_INSERT:
1335         case LFUN_ENVIRONMENT_INSERT:
1336         case LFUN_INDEX_INSERT:
1337                 // Open the inset, and move the current selection
1338                 // inside it.
1339                 doInsertInset(cur, this, cmd, true, true);
1340                 cur.posForward();
1341                 // Some insets are numbered, others are shown in the outline pane so
1342                 // let's update the labels and the toc backend.
1343                 updateLabels(bv->buffer());
1344                 break;
1345
1346         case LFUN_TABULAR_INSERT:
1347                 // if there were no arguments, just open the dialog
1348                 if (doInsertInset(cur, this, cmd, false, true))
1349                         cur.posForward();
1350                 else
1351                         bv->showDialog("tabularcreate");
1352
1353                 break;
1354
1355         case LFUN_FLOAT_INSERT:
1356         case LFUN_FLOAT_WIDE_INSERT:
1357         case LFUN_WRAP_INSERT: {
1358                 bool content = cur.selection();  // will some text be moved into the inset?
1359
1360                 doInsertInset(cur, this, cmd, true, true);
1361                 cur.posForward();
1362                 ParagraphList & pars = cur.text()->paragraphs();
1363
1364                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1365
1366                 // add a separate paragraph for the caption inset
1367                 pars.push_back(Paragraph());
1368                 pars.back().setInsetOwner(pars[0].inInset());
1369                 pars.back().setEmptyOrDefaultLayout(tclass);
1370                 int cap_pit = pars.size() - 1;
1371
1372                 // if an empty inset was created, we create an additional empty
1373                 // paragraph at the bottom so that the user can choose where to put
1374                 // the graphics (or table).
1375                 if (!content) {
1376                         pars.push_back(Paragraph());
1377                         pars.back().setInsetOwner(pars[0].inInset());
1378                         pars.back().setEmptyOrDefaultLayout(tclass);
1379                 }
1380
1381                 // reposition the cursor to the caption
1382                 cur.pit() = cap_pit;
1383                 cur.pos() = 0;
1384                 // FIXME: This Text/Cursor dispatch handling is a mess!
1385                 // We cannot use Cursor::dispatch here it needs access to up to
1386                 // date metrics.
1387                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1388                 cur.text()->dispatch(cur, cmd_caption);
1389                 cur.updateFlags(Update::Force);
1390                 // FIXME: When leaving the Float (or Wrap) inset we should
1391                 // delete any empty paragraph left above or below the
1392                 // caption.
1393                 break;
1394         }
1395
1396         case LFUN_NOMENCL_INSERT: {
1397                 FuncRequest cmd1 = cmd;
1398                 if (cmd.argument().empty())
1399                         cmd1 = FuncRequest(cmd,
1400                                 bv->cursor().innerText()->getStringToIndex(bv->cursor()));
1401                 Inset * inset = createInset(cur.bv().buffer(), cmd1);
1402                 if (!inset)
1403                         break;
1404                 cur.recordUndo();
1405                 cur.clearSelection();
1406                 insertInset(cur, inset);
1407                 // Show the dialog for the nomenclature entry, since the
1408                 // description entry still needs to be filled in.
1409                 if (cmd.action == LFUN_NOMENCL_INSERT)
1410                         inset->edit(cur, true);
1411                 cur.posForward();
1412                 break;
1413         }
1414
1415         case LFUN_INDEX_PRINT:
1416         case LFUN_NOMENCL_PRINT:
1417         case LFUN_TOC_INSERT:
1418         case LFUN_HFILL_INSERT:
1419         case LFUN_LINE_INSERT:
1420         case LFUN_NEWPAGE_INSERT:
1421         case LFUN_PAGEBREAK_INSERT:
1422         case LFUN_CLEARPAGE_INSERT:
1423         case LFUN_CLEARDOUBLEPAGE_INSERT:
1424                 // do nothing fancy
1425                 doInsertInset(cur, this, cmd, false, false);
1426                 cur.posForward();
1427                 break;
1428
1429         case LFUN_DEPTH_DECREMENT:
1430                 changeDepth(cur, DEC_DEPTH);
1431                 break;
1432
1433         case LFUN_DEPTH_INCREMENT:
1434                 changeDepth(cur, INC_DEPTH);
1435                 break;
1436
1437         case LFUN_MATH_DISPLAY:
1438                 mathDispatch(cur, cmd, true);
1439                 break;
1440
1441         case LFUN_MATH_IMPORT_SELECTION:
1442         case LFUN_MATH_MODE:
1443                 if (cmd.argument() == "on")
1444                         // don't pass "on" as argument
1445                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1446                 else
1447                         mathDispatch(cur, cmd, false);
1448                 break;
1449
1450         case LFUN_MATH_MACRO:
1451                 if (cmd.argument().empty())
1452                         cur.errorMessage(from_utf8(N_("Missing argument")));
1453                 else {
1454                         string s = to_utf8(cmd.argument());
1455                         string const s1 = token(s, ' ', 1);
1456                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1457                         string const s2 = token(s, ' ', 2);
1458                         MacroType type = MacroTypeNewcommand;
1459                         if (s2 == "def")
1460                                 type = MacroTypeDef;
1461                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, false, type));
1462                         //cur.nextInset()->edit(cur, true);
1463                 }
1464                 break;
1465
1466         // passthrough hat and underscore outside mathed:
1467         case LFUN_MATH_SUBSCRIPT:
1468                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1469                 break;
1470         case LFUN_MATH_SUPERSCRIPT:
1471                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1472                 break;
1473
1474         case LFUN_MATH_INSERT:
1475         case LFUN_MATH_MATRIX:
1476         case LFUN_MATH_DELIM:
1477         case LFUN_MATH_BIGDELIM: {
1478                 cap::replaceSelection(cur);
1479                 cur.insert(new InsetMathHull(hullSimple));
1480                 checkAndActivateInset(cur, true);
1481                 BOOST_ASSERT(cur.inMathed());
1482                 cur.dispatch(cmd);
1483                 break;
1484         }
1485
1486         case LFUN_FONT_EMPH: {
1487                 Font font(ignore_font, ignore_language);
1488                 font.fontInfo().setEmph(FONT_TOGGLE);
1489                 toggleAndShow(cur, this, font);
1490                 break;
1491         }
1492
1493         case LFUN_FONT_BOLD: {
1494                 Font font(ignore_font, ignore_language);
1495                 font.fontInfo().setSeries(BOLD_SERIES);
1496                 toggleAndShow(cur, this, font);
1497                 break;
1498         }
1499
1500         case LFUN_FONT_NOUN: {
1501                 Font font(ignore_font, ignore_language);
1502                 font.fontInfo().setNoun(FONT_TOGGLE);
1503                 toggleAndShow(cur, this, font);
1504                 break;
1505         }
1506
1507         case LFUN_FONT_TYPEWRITER: {
1508                 Font font(ignore_font, ignore_language);
1509                 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
1510                 toggleAndShow(cur, this, font);
1511                 break;
1512         }
1513
1514         case LFUN_FONT_SANS: {
1515                 Font font(ignore_font, ignore_language);
1516                 font.fontInfo().setFamily(SANS_FAMILY);
1517                 toggleAndShow(cur, this, font);
1518                 break;
1519         }
1520
1521         case LFUN_FONT_ROMAN: {
1522                 Font font(ignore_font, ignore_language);
1523                 font.fontInfo().setFamily(ROMAN_FAMILY);
1524                 toggleAndShow(cur, this, font);
1525                 break;
1526         }
1527
1528         case LFUN_FONT_DEFAULT: {
1529                 Font font(inherit_font, ignore_language);
1530                 toggleAndShow(cur, this, font);
1531                 break;
1532         }
1533
1534         case LFUN_FONT_UNDERLINE: {
1535                 Font font(ignore_font, ignore_language);
1536                 font.fontInfo().setUnderbar(FONT_TOGGLE);
1537                 toggleAndShow(cur, this, font);
1538                 break;
1539         }
1540
1541         case LFUN_FONT_SIZE: {
1542                 Font font(ignore_font, ignore_language);
1543                 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
1544                 toggleAndShow(cur, this, font);
1545                 break;
1546         }
1547
1548         case LFUN_LANGUAGE: {
1549                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1550                 if (!lang)
1551                         break;
1552                 Font font(ignore_font, lang);
1553                 toggleAndShow(cur, this, font);
1554                 break;
1555         }
1556
1557         case LFUN_FONT_FREE_APPLY:
1558                 toggleAndShow(cur, this, freefont, toggleall);
1559                 cur.message(_("Character set"));
1560                 break;
1561
1562         // Set the freefont using the contents of \param data dispatched from
1563         // the frontends and apply it at the current cursor location.
1564         case LFUN_FONT_FREE_UPDATE: {
1565                 Font font;
1566                 bool toggle;
1567                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1568                         freefont = font;
1569                         toggleall = toggle;
1570                         toggleAndShow(cur, this, freefont, toggleall);
1571                         cur.message(_("Character set"));
1572                 } else {
1573                         lyxerr << "Argument not ok";
1574                 }
1575                 break;
1576         }
1577
1578         case LFUN_FINISHED_LEFT:
1579                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
1580                 // We're leaving an inset, going left. If the inset is LTR, we're
1581                 // leaving from the front, so we should not move (remain at --- but
1582                 // not in --- the inset). If the inset is RTL, move left, without
1583                 // entering the inset itself; i.e., move to after the inset.
1584                 if (cur.paragraph().getFontSettings(
1585                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1586                         cursorVisLeft(cur, true);
1587                 break;
1588
1589         case LFUN_FINISHED_RIGHT:
1590                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
1591                 // We're leaving an inset, going right. If the inset is RTL, we're
1592                 // leaving from the front, so we should not move (remain at --- but
1593                 // not in --- the inset). If the inset is LTR, move right, without
1594                 // entering the inset itself; i.e., move to after the inset.
1595                 if (!cur.paragraph().getFontSettings(
1596                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1597                         cursorVisRight(cur, true);
1598                 break;
1599
1600         case LFUN_FINISHED_BACKWARD:
1601                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
1602                 break;
1603
1604         case LFUN_FINISHED_FORWARD:
1605                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
1606                 ++cur.pos();
1607                 cur.setCurrentFont();
1608                 break;
1609
1610         case LFUN_LAYOUT_PARAGRAPH: {
1611                 string data;
1612                 params2string(cur.paragraph(), data);
1613                 data = "show\n" + data;
1614                 bv->showDialog("paragraph", data);
1615                 break;
1616         }
1617
1618         case LFUN_PARAGRAPH_UPDATE: {
1619                 string data;
1620                 params2string(cur.paragraph(), data);
1621
1622                 // Will the paragraph accept changes from the dialog?
1623                 bool const accept =
1624                         cur.inset().allowParagraphCustomization(cur.idx());
1625
1626                 data = "update " + convert<string>(accept) + '\n' + data;
1627                 bv->updateDialog("paragraph", data);
1628                 break;
1629         }
1630
1631         case LFUN_ACCENT_UMLAUT:
1632         case LFUN_ACCENT_CIRCUMFLEX:
1633         case LFUN_ACCENT_GRAVE:
1634         case LFUN_ACCENT_ACUTE:
1635         case LFUN_ACCENT_TILDE:
1636         case LFUN_ACCENT_CEDILLA:
1637         case LFUN_ACCENT_MACRON:
1638         case LFUN_ACCENT_DOT:
1639         case LFUN_ACCENT_UNDERDOT:
1640         case LFUN_ACCENT_UNDERBAR:
1641         case LFUN_ACCENT_CARON:
1642         case LFUN_ACCENT_SPECIAL_CARON:
1643         case LFUN_ACCENT_BREVE:
1644         case LFUN_ACCENT_TIE:
1645         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1646         case LFUN_ACCENT_CIRCLE:
1647         case LFUN_ACCENT_OGONEK:
1648                 theLyXFunc().handleKeyFunc(cmd.action);
1649                 if (!cmd.argument().empty())
1650                         // FIXME: Are all these characters encoded in one byte in utf8?
1651                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1652                 break;
1653
1654         case LFUN_FLOAT_LIST: {
1655                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1656                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1657                         cur.recordUndo();
1658                         if (cur.selection())
1659                                 cutSelection(cur, true, false);
1660                         breakParagraph(cur);
1661
1662                         if (cur.lastpos() != 0) {
1663                                 cursorBackward(cur);
1664                                 breakParagraph(cur);
1665                         }
1666
1667                         //FIXME Check if this should be emptyLayout()
1668                         setLayout(cur, tclass.defaultLayoutName());
1669                         ParagraphParameters p;
1670                         setParagraphs(cur, p);
1671                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1672                         cur.posForward();
1673                 } else {
1674                         lyxerr << "Non-existent float type: "
1675                                << to_utf8(cmd.argument()) << endl;
1676                 }
1677                 break;
1678         }
1679
1680         case LFUN_CHANGE_ACCEPT: {
1681                 acceptOrRejectChanges(cur, ACCEPT);
1682                 break;
1683         }
1684
1685         case LFUN_CHANGE_REJECT: {
1686                 acceptOrRejectChanges(cur, REJECT);
1687                 break;
1688         }
1689
1690         case LFUN_THESAURUS_ENTRY: {
1691                 docstring arg = cmd.argument();
1692                 if (arg.empty()) {
1693                         arg = cur.selectionAsString(false);
1694                         // FIXME
1695                         if (arg.size() > 100 || arg.empty()) {
1696                                 // Get word or selection
1697                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1698                                 arg = cur.selectionAsString(false);
1699                         }
1700                 }
1701                 bv->showDialog("thesaurus", to_utf8(arg));
1702                 break;
1703         }
1704
1705         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1706                 // Given data, an encoding of the ParagraphParameters
1707                 // generated in the Paragraph dialog, this function sets
1708                 // the current paragraph, or currently selected paragraphs,
1709                 // appropriately.
1710                 // NOTE: This function overrides all existing settings.
1711                 setParagraphs(cur, cmd.argument());
1712                 cur.message(_("Paragraph layout set"));
1713                 break;
1714         }
1715
1716         case LFUN_PARAGRAPH_PARAMS: {
1717                 // Given data, an encoding of the ParagraphParameters as we'd
1718                 // find them in a LyX file, this function modifies the current paragraph,
1719                 // or currently selected paragraphs.
1720                 // NOTE: This function only modifies, and does not override, existing
1721                 // settings.
1722                 setParagraphs(cur, cmd.argument(), true);
1723                 cur.message(_("Paragraph layout set"));
1724                 break;
1725         }
1726
1727         case LFUN_ESCAPE:
1728                 if (cur.selection()) {
1729                         cur.selection() = false;
1730                 } else {
1731                         cur.undispatched();
1732                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
1733                         // correct, but I'm not 100% sure -- dov, 071019
1734                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1735                 }
1736                 break;
1737
1738         case LFUN_OUTLINE_UP:
1739                 outline(OutlineUp, cur);
1740                 setCursor(cur, cur.pit(), 0);
1741                 updateLabels(cur.buffer());
1742                 needsUpdate = true;
1743                 break;
1744
1745         case LFUN_OUTLINE_DOWN:
1746                 outline(OutlineDown, cur);
1747                 setCursor(cur, cur.pit(), 0);
1748                 updateLabels(cur.buffer());
1749                 needsUpdate = true;
1750                 break;
1751
1752         case LFUN_OUTLINE_IN:
1753                 outline(OutlineIn, cur);
1754                 updateLabels(cur.buffer());
1755                 needsUpdate = true;
1756                 break;
1757
1758         case LFUN_OUTLINE_OUT:
1759                 outline(OutlineOut, cur);
1760                 updateLabels(cur.buffer());
1761                 needsUpdate = true;
1762                 break;
1763
1764         default:
1765                 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
1766                 cur.undispatched();
1767                 break;
1768         }
1769
1770         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1771
1772         // FIXME: The cursor flag is reset two lines below
1773         // so we need to check here if some of the LFUN did touch that.
1774         // for now only Text::erase() and Text::backspace() do that.
1775         // The plan is to verify all the LFUNs and then to remove this
1776         // singleParUpdate boolean altogether.
1777         if (cur.result().update() & Update::Force) {
1778                 singleParUpdate = false;
1779                 needsUpdate = true;
1780         }
1781
1782         // FIXME: the following code should go in favor of fine grained
1783         // update flag treatment.
1784         if (singleParUpdate) {
1785                 // Inserting characters does not change par height in general. So, try
1786                 // to update _only_ this paragraph. BufferView will detect if a full
1787                 // metrics update is needed anyway.
1788                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1789                 return;
1790         }
1791
1792         if (!needsUpdate
1793             && &oldTopSlice.inset() == &cur.inset()
1794             && oldTopSlice.idx() == cur.idx()
1795             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1796             && !cur.selection())
1797                 // FIXME: it would be better if we could just do this
1798                 //
1799                 //if (cur.result().update() != Update::FitCursor)
1800                 //      cur.noUpdate();
1801                 //
1802                 // But some LFUNs do not set Update::FitCursor when needed, so we
1803                 // do it for all. This is not very harmfull as FitCursor will provoke
1804                 // a full redraw only if needed but still, a proper review of all LFUN
1805                 // should be done and this needsUpdate boolean can then be removed.
1806                 cur.updateFlags(Update::FitCursor);
1807         else
1808                 cur.updateFlags(Update::Force | Update::FitCursor);
1809 }
1810
1811
1812 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1813                         FuncStatus & flag) const
1814 {
1815         BOOST_ASSERT(cur.text() == this);
1816
1817         Font const & font = cur.real_current_font;
1818         FontInfo const & fontinfo = font.fontInfo();
1819         bool enable = true;
1820         InsetCode code = NO_CODE;
1821
1822         switch (cmd.action) {
1823
1824         case LFUN_DEPTH_DECREMENT:
1825                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1826                 break;
1827
1828         case LFUN_DEPTH_INCREMENT:
1829                 enable = changeDepthAllowed(cur, INC_DEPTH);
1830                 break;
1831
1832         case LFUN_APPENDIX:
1833                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1834                 return true;
1835
1836         case LFUN_BIBITEM_INSERT:
1837                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1838                           && cur.pos() == 0);
1839                 break;
1840
1841         case LFUN_DIALOG_SHOW_NEW_INSET:
1842                 if (cmd.argument() == "bibitem")
1843                         code = BIBITEM_CODE;
1844                 else if (cmd.argument() == "bibtex")
1845                         code = BIBTEX_CODE;
1846                 else if (cmd.argument() == "box")
1847                         code = BOX_CODE;
1848                 else if (cmd.argument() == "branch")
1849                         code = BRANCH_CODE;
1850                 else if (cmd.argument() == "citation")
1851                         code = CITE_CODE;
1852                 else if (cmd.argument() == "ert")
1853                         code = ERT_CODE;
1854                 else if (cmd.argument() == "external")
1855                         code = EXTERNAL_CODE;
1856                 else if (cmd.argument() == "float")
1857                         code = FLOAT_CODE;
1858                 else if (cmd.argument() == "graphics")
1859                         code = GRAPHICS_CODE;
1860                 else if (cmd.argument() == "href")
1861                         code = HYPERLINK_CODE;
1862                 else if (cmd.argument() == "include")
1863                         code = INCLUDE_CODE;
1864                 else if (cmd.argument() == "index")
1865                         code = INDEX_CODE;
1866                 else if (cmd.argument() == "nomenclature")
1867                         code = NOMENCL_CODE;
1868                 else if (cmd.argument() == "label")
1869                         code = LABEL_CODE;
1870                 else if (cmd.argument() == "note")
1871                         code = NOTE_CODE;
1872                 else if (cmd.argument() == "ref")
1873                         code = REF_CODE;
1874                 else if (cmd.argument() == "toc")
1875                         code = TOC_CODE;
1876                 else if (cmd.argument() == "vspace")
1877                         code = VSPACE_CODE;
1878                 else if (cmd.argument() == "wrap")
1879                         code = WRAP_CODE;
1880                 else if (cmd.argument() == "listings")
1881                         code = LISTINGS_CODE;
1882                 break;
1883
1884         case LFUN_ERT_INSERT:
1885                 code = ERT_CODE;
1886                 break;
1887         case LFUN_LISTING_INSERT:
1888             code = LISTINGS_CODE;
1889                 break;
1890         case LFUN_FOOTNOTE_INSERT:
1891                 code = FOOT_CODE;
1892                 break;
1893         case LFUN_TABULAR_INSERT:
1894                 code = TABULAR_CODE;
1895                 break;
1896         case LFUN_MARGINALNOTE_INSERT:
1897                 code = MARGIN_CODE;
1898                 break;
1899         case LFUN_FLOAT_INSERT:
1900         case LFUN_FLOAT_WIDE_INSERT:
1901                 code = FLOAT_CODE;
1902                 break;
1903         case LFUN_WRAP_INSERT:
1904                 code = WRAP_CODE;
1905                 break;
1906         case LFUN_FLOAT_LIST:
1907                 code = FLOAT_LIST_CODE;
1908                 break;
1909 #if 0
1910         case LFUN_LIST_INSERT:
1911                 code = LIST_CODE;
1912                 break;
1913 #endif
1914         case LFUN_CAPTION_INSERT:
1915                 code = CAPTION_CODE;
1916                 break;
1917         case LFUN_NOTE_INSERT:
1918                 code = NOTE_CODE;
1919                 break;
1920         case LFUN_FLEX_INSERT: {
1921                 code = FLEX_CODE;
1922                 string s = cmd.getArg(0);
1923                 InsetLayout il =
1924                         cur.buffer().params().documentClass().insetLayout(from_utf8(s));
1925                 if (il.lyxtype() != "charstyle" &&
1926                     il.lyxtype() != "custom" &&
1927                     il.lyxtype() != "element" &&
1928                     il.lyxtype ()!= "standard")
1929                         enable = false;
1930                 break;
1931                 }
1932         case LFUN_BOX_INSERT:
1933                 code = BOX_CODE;
1934                 break;
1935         case LFUN_BRANCH_INSERT:
1936                 code = BRANCH_CODE;
1937                 if (cur.buffer().masterBuffer()->params().branchlist().empty())
1938                         enable = false;
1939                 break;
1940         case LFUN_LABEL_INSERT:
1941                 code = LABEL_CODE;
1942                 break;
1943         case LFUN_INFO_INSERT:
1944                 code = INFO_CODE;
1945                 break;
1946         case LFUN_OPTIONAL_INSERT:
1947                 code = OPTARG_CODE;
1948                 enable = cur.paragraph().insetList().count(OPTARG_CODE)
1949                         < cur.paragraph().layout()->optionalargs;
1950                 break;
1951         case LFUN_ENVIRONMENT_INSERT:
1952                 code = BOX_CODE;
1953                 break;
1954         case LFUN_INDEX_INSERT:
1955                 code = INDEX_CODE;
1956                 break;
1957         case LFUN_INDEX_PRINT:
1958                 code = INDEX_PRINT_CODE;
1959                 break;
1960         case LFUN_NOMENCL_INSERT:
1961                 code = NOMENCL_CODE;
1962                 break;
1963         case LFUN_NOMENCL_PRINT:
1964                 code = NOMENCL_PRINT_CODE;
1965                 break;
1966         case LFUN_TOC_INSERT:
1967                 code = TOC_CODE;
1968                 break;
1969         case LFUN_HYPERLINK_INSERT:
1970                 code = HYPERLINK_CODE;
1971                 break;
1972         case LFUN_QUOTE_INSERT:
1973                 // always allow this, since we will inset a raw quote
1974                 // if an inset is not allowed.
1975                 break;
1976         case LFUN_HFILL_INSERT:
1977         case LFUN_SPECIALCHAR_INSERT:
1978                 code = SPECIALCHAR_CODE;
1979                 break;
1980         case LFUN_SPACE_INSERT:
1981                 // slight hack: we know this is allowed in math mode
1982                 if (cur.inTexted())
1983                         code = SPACE_CODE;
1984                 break;
1985
1986         case LFUN_INSET_MODIFY:
1987                 // We need to disable this, because we may get called for a
1988                 // tabular cell via
1989                 // InsetTabular::getStatus() -> InsetText::getStatus()
1990                 // and we don't handle LFUN_INSET_MODIFY.
1991                 enable = false;
1992                 break;
1993
1994         case LFUN_FONT_EMPH:
1995                 flag.setOnOff(fontinfo.emph() == FONT_ON);
1996                 return true;
1997
1998         case LFUN_FONT_NOUN:
1999                 flag.setOnOff(fontinfo.noun() == FONT_ON);
2000                 return true;
2001
2002         case LFUN_FONT_BOLD:
2003                 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
2004                 return true;
2005
2006         case LFUN_FONT_SANS:
2007                 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
2008                 return true;
2009
2010         case LFUN_FONT_ROMAN:
2011                 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
2012                 return true;
2013
2014         case LFUN_FONT_TYPEWRITER:
2015                 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2016                 return true;
2017
2018         case LFUN_CUT:
2019         case LFUN_COPY:
2020                 enable = cur.selection();
2021                 break;
2022
2023         case LFUN_PASTE: {
2024                 if (cmd.argument().empty()) {
2025                         if (theClipboard().isInternal())
2026                                 enable = cap::numberOfSelections() > 0;
2027                         else
2028                                 enable = !theClipboard().empty();
2029                         break;
2030                 }
2031
2032                 // we have an argument
2033                 string const arg = to_utf8(cmd.argument());
2034                 if (isStrUnsignedInt(arg)) {
2035                         // it's a number and therefore means the internal stack
2036                         unsigned int n = convert<unsigned int>(arg);
2037                         enable = cap::numberOfSelections() > n;
2038                         break;
2039                 }
2040
2041                 // explicit graphics type?
2042                 if ((arg == "pdf" && theClipboard().hasGraphicsContents(Clipboard::PdfGraphicsType))
2043                     || (arg == "png" && theClipboard().hasGraphicsContents(Clipboard::PngGraphicsType))
2044                     || (arg == "jpeg" && theClipboard().hasGraphicsContents(Clipboard::JpegGraphicsType))
2045                     || (arg == "linkback" && theClipboard().hasGraphicsContents(Clipboard::LinkBackGraphicsType))) {
2046                         enable = true;
2047                         break;
2048                 }
2049
2050                 // unknown argument
2051                 enable = false;
2052                 break;
2053          }
2054
2055         case LFUN_CLIPBOARD_PASTE:
2056                 enable = !theClipboard().empty();
2057                 break;
2058
2059         case LFUN_PRIMARY_SELECTION_PASTE:
2060                 enable = cur.selection() || !theSelection().empty();
2061                 break;
2062
2063         case LFUN_PARAGRAPH_MOVE_UP:
2064                 enable = cur.pit() > 0 && !cur.selection();
2065                 break;
2066
2067         case LFUN_PARAGRAPH_MOVE_DOWN:
2068                 enable = cur.pit() < cur.lastpit() && !cur.selection();
2069                 break;
2070
2071         case LFUN_INSET_DISSOLVE:
2072                 if (!cmd.argument().empty()) {
2073                         InsetLayout il = cur.inset().getLayout(cur.buffer().params());
2074                         enable = cur.inset().lyxCode() == FLEX_CODE
2075                                  && il.lyxtype() == to_utf8(cmd.argument());
2076                 } else {
2077                         enable = !isMainText(cur.bv().buffer())
2078                                  && cur.inset().nargs() == 1;
2079                 }
2080                 break;
2081
2082         case LFUN_CHANGE_ACCEPT:
2083         case LFUN_CHANGE_REJECT:
2084                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2085                 // In principle, these LFUNs should only be enabled if there
2086                 // is a change at the current position/in the current selection.
2087                 // However, without proper optimizations, this will inevitably
2088                 // result in unacceptable performance - just imagine a user who
2089                 // wants to select the complete content of a long document.
2090                 enable = true;
2091                 break;
2092
2093         case LFUN_OUTLINE_UP:
2094         case LFUN_OUTLINE_DOWN:
2095         case LFUN_OUTLINE_IN:
2096         case LFUN_OUTLINE_OUT:
2097                 enable = (cur.paragraph().layout()->toclevel != Layout::NOT_IN_TOC);
2098                 break;
2099
2100         case LFUN_WORD_DELETE_FORWARD:
2101         case LFUN_WORD_DELETE_BACKWARD:
2102         case LFUN_LINE_DELETE:
2103         case LFUN_WORD_FORWARD:
2104         case LFUN_WORD_BACKWARD:
2105         case LFUN_WORD_RIGHT:
2106         case LFUN_WORD_LEFT:
2107         case LFUN_CHAR_FORWARD:
2108         case LFUN_CHAR_FORWARD_SELECT:
2109         case LFUN_CHAR_BACKWARD:
2110         case LFUN_CHAR_BACKWARD_SELECT:
2111         case LFUN_CHAR_LEFT:
2112         case LFUN_CHAR_LEFT_SELECT:
2113         case LFUN_CHAR_RIGHT:
2114         case LFUN_CHAR_RIGHT_SELECT:
2115         case LFUN_UP:
2116         case LFUN_UP_SELECT:
2117         case LFUN_DOWN:
2118         case LFUN_DOWN_SELECT:
2119         case LFUN_PARAGRAPH_UP_SELECT:
2120         case LFUN_PARAGRAPH_DOWN_SELECT:
2121         case LFUN_LINE_BEGIN_SELECT:
2122         case LFUN_LINE_END_SELECT:
2123         case LFUN_WORD_FORWARD_SELECT:
2124         case LFUN_WORD_BACKWARD_SELECT:
2125         case LFUN_WORD_RIGHT_SELECT:
2126         case LFUN_WORD_LEFT_SELECT:
2127         case LFUN_WORD_SELECT:
2128         case LFUN_PARAGRAPH_UP:
2129         case LFUN_PARAGRAPH_DOWN:
2130         case LFUN_LINE_BEGIN:
2131         case LFUN_LINE_BREAK:
2132         case LFUN_LINE_END:
2133         case LFUN_NEW_LINE:
2134         case LFUN_CHAR_DELETE_FORWARD:
2135         case LFUN_DELETE_FORWARD_SKIP:
2136         case LFUN_CHAR_DELETE_BACKWARD:
2137         case LFUN_DELETE_BACKWARD_SKIP:
2138         case LFUN_BREAK_PARAGRAPH:
2139         case LFUN_BREAK_PARAGRAPH_SKIP:
2140         case LFUN_PARAGRAPH_SPACING:
2141         case LFUN_INSET_INSERT:
2142         case LFUN_WORD_UPCASE:
2143         case LFUN_WORD_LOWCASE:
2144         case LFUN_WORD_CAPITALIZE:
2145         case LFUN_CHARS_TRANSPOSE:
2146         case LFUN_SERVER_GET_XY:
2147         case LFUN_SERVER_SET_XY:
2148         case LFUN_SERVER_GET_FONT:
2149         case LFUN_SERVER_GET_LAYOUT:
2150         case LFUN_LAYOUT:
2151         case LFUN_DATE_INSERT:
2152         case LFUN_SELF_INSERT:
2153         case LFUN_LINE_INSERT:
2154         case LFUN_NEWPAGE_INSERT:
2155         case LFUN_PAGEBREAK_INSERT:
2156         case LFUN_CLEARPAGE_INSERT:
2157         case LFUN_CLEARDOUBLEPAGE_INSERT:
2158         case LFUN_MATH_DISPLAY:
2159         case LFUN_MATH_IMPORT_SELECTION:
2160         case LFUN_MATH_MODE:
2161         case LFUN_MATH_MACRO:
2162         case LFUN_MATH_MATRIX:
2163         case LFUN_MATH_DELIM:
2164         case LFUN_MATH_BIGDELIM:
2165         case LFUN_MATH_INSERT:
2166         case LFUN_MATH_SUBSCRIPT:
2167         case LFUN_MATH_SUPERSCRIPT:
2168         case LFUN_FONT_DEFAULT:
2169         case LFUN_FONT_UNDERLINE:
2170         case LFUN_FONT_SIZE:
2171         case LFUN_LANGUAGE:
2172         case LFUN_FONT_FREE_APPLY:
2173         case LFUN_FONT_FREE_UPDATE:
2174         case LFUN_LAYOUT_PARAGRAPH:
2175         case LFUN_PARAGRAPH_UPDATE:
2176         case LFUN_ACCENT_UMLAUT:
2177         case LFUN_ACCENT_CIRCUMFLEX:
2178         case LFUN_ACCENT_GRAVE:
2179         case LFUN_ACCENT_ACUTE:
2180         case LFUN_ACCENT_TILDE:
2181         case LFUN_ACCENT_CEDILLA:
2182         case LFUN_ACCENT_MACRON:
2183         case LFUN_ACCENT_DOT:
2184         case LFUN_ACCENT_UNDERDOT:
2185         case LFUN_ACCENT_UNDERBAR:
2186         case LFUN_ACCENT_CARON:
2187         case LFUN_ACCENT_SPECIAL_CARON:
2188         case LFUN_ACCENT_BREVE:
2189         case LFUN_ACCENT_TIE:
2190         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2191         case LFUN_ACCENT_CIRCLE:
2192         case LFUN_ACCENT_OGONEK:
2193         case LFUN_THESAURUS_ENTRY:
2194         case LFUN_PARAGRAPH_PARAMS_APPLY:
2195         case LFUN_PARAGRAPH_PARAMS:
2196         case LFUN_ESCAPE:
2197         case LFUN_BUFFER_END:
2198         case LFUN_BUFFER_BEGIN:
2199         case LFUN_BUFFER_BEGIN_SELECT:
2200         case LFUN_BUFFER_END_SELECT:
2201         case LFUN_UNICODE_INSERT:
2202                 // these are handled in our dispatch()
2203                 enable = true;
2204                 break;
2205
2206         default:
2207                 return false;
2208         }
2209
2210         if (code != NO_CODE
2211             && (cur.empty() || !cur.inset().insetAllowed(code)))
2212                 enable = false;
2213
2214         flag.enabled(enable);
2215         return true;
2216 }
2217
2218
2219 void Text::pasteString(Cursor & cur, docstring const & clip,
2220                 bool asParagraphs)
2221 {
2222         cur.clearSelection();
2223         if (!clip.empty()) {
2224                 cur.recordUndo();
2225                 if (asParagraphs)
2226                         insertStringAsParagraphs(cur, clip);
2227                 else
2228                         insertStringAsLines(cur, clip);
2229         }
2230 }
2231
2232 } // namespace lyx