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 "Changes.h"
  29 #include "Cursor.h"
  30 #include "CutAndPaste.h"
  31 #include "DispatchResult.h"
  32 #include "ErrorList.h"
  33 #include "factory.h"
  34 #include "FuncRequest.h"
  35 #include "InsetList.h"
  36 #include "Intl.h"
  37 #include "Language.h"
  38 #include "Layout.h"
  39 #include "LyXAction.h"
  40 #include "LyXFunc.h"
  41 #include "Lexer.h"
  42 #include "LyXRC.h"
  43 #include "Paragraph.h"
  44 #include "paragraph_funcs.h"
  45 #include "ParagraphParameters.h"
  46 #include "TextClass.h"
  47 #include "TextMetrics.h"
  48 #include "VSpace.h"
  49
  50 #include "frontends/Application.h"
  51 #include "frontends/Clipboard.h"
  52 #include "frontends/LyXView.h"
  53 #include "frontends/Selection.h"
  54 #include "frontends/WorkArea.h"
  55
  56 #include "insets/InsetCollapsable.h"
  57 #include "insets/InsetCommand.h"
  58 #include "insets/InsetExternal.h"
  59 #include "insets/InsetFloatList.h"
  60 #include "insets/InsetGraphics.h"
  61 #include "insets/InsetGraphicsParams.h"
  62 #include "insets/InsetNewline.h"
  63 #include "insets/InsetQuotes.h"
  64 #include "insets/InsetSpecialChar.h"
  65 #include "insets/InsetText.h"
  66
  67 #include "support/convert.h"
  68 #include "support/debug.h"
  69 #include "support/gettext.h"
  70 #include "support/lstrings.h"
  71 #include "support/lyxtime.h"
  72 #include "support/os.h"
  73
  74 #include "mathed/InsetMathHull.h"
  75 #include "mathed/MathMacroTemplate.h"
  76
  77 #include <boost/next_prior.hpp>
  78
  79 #include <clocale>
  80 #include <sstream>
  81
  82 using namespace std;
  83 using namespace lyx::support;
  84
  85 namespace lyx {
  86
  87 using cap::copySelection;
  88 using cap::cutSelection;
  89 using cap::pasteFromStack;
  90 using cap::pasteClipboardText;
  91 using cap::pasteClipboardGraphics;
  92 using cap::replaceSelection;
  93 using cap::grabAndEraseSelection;
  94 using cap::selClearOrDel;
  95
  96 // globals...
  97 static Font freefont(ignore_font, ignore_language);
  98 static bool toggleall = false;
  99
 100 static void toggleAndShow(Cursor & cur, Text * text,
 101         Font const & font, bool toggleall = true)
 102 {
 103         text->toggleFree(cur, font, toggleall);
 104
 105         if (font.language() != ignore_language ||
 106             font.fontInfo().number() != FONT_IGNORE) {
 107                 TextMetrics const & tm = cur.bv().textMetrics(text);
 108                 if (cur.boundary() != tm.isRTLBoundary(cur.pit(), cur.pos(),
 109                                                        cur.real_current_font))
 110                         text->setCursor(cur, cur.pit(), cur.pos(),
 111                                         false, !cur.boundary());
 112         }
 113 }
 114
 115
 116 static void moveCursor(Cursor & cur, bool selecting)
 117 {
 118         if (selecting || cur.mark())
 119                 cur.setSelection();
 120 }
 121
 122
 123 static void finishChange(Cursor & cur, bool selecting)
 124 {
 125         cur.finishUndo();
 126         moveCursor(cur, selecting);
 127 }
 128
 129
 130 static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 131 {
 132         cur.recordUndo();
 133         docstring sel = cur.selectionAsString(false);
 134
 135         // It may happen that sel is empty but there is a selection
 136         replaceSelection(cur);
 137
 138         // Is this a valid formula?
 139         bool valid = true;
 140
 141         if (sel.empty()) {
 142 #ifdef ENABLE_ASSERTIONS
 143                 const int old_pos = cur.pos();
 144 #endif
 145                 cur.insert(new InsetMathHull(hullSimple));
 146 #ifdef ENABLE_ASSERTIONS
 147                 LASSERT(old_pos == cur.pos(), /**/);
 148 #endif
 149                 cur.nextInset()->edit(cur, true);
 150                 // don't do that also for LFUN_MATH_MODE
 151                 // unless you want end up with always changing
 152                 // to mathrm when opening an inlined inset --
 153                 // I really hate "LyXfunc overloading"...
 154                 if (display)
 155                         cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 156                 // Avoid an unnecessary undo step if cmd.argument
 157                 // is empty
 158                 if (!cmd.argument().empty())
 159                         cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 160                                                  cmd.argument()));
 161         } else {
 162                 // create a macro if we see "\\newcommand"
 163                 // somewhere, and an ordinary formula
 164                 // otherwise
 165                 if (sel.find(from_ascii("\\newcommand")) == string::npos
 166                                 && sel.find(from_ascii("\\newlyxcommand")) == string::npos
 167                                 && sel.find(from_ascii("\\def")) == string::npos)
 168                 {
 169                         InsetMathHull * formula = new InsetMathHull;
 170                         string const selstr = to_utf8(sel);
 171                         istringstream is(selstr);
 172                         Lexer lex;
 173                         lex.setStream(is);
 174                         if (!formula->readQuiet(lex)) {
 175                                 // No valid formula, let's try with delims
 176                                 is.str("$" + selstr + "$");
 177                                 lex.setStream(is);
 178                                 if (!formula->readQuiet(lex)) {
 179                                         // Still not valid, leave it as is
 180                                         valid = false;
 181                                         delete formula;
 182                                         cur.insert(sel);
 183                                 } else
 184                                         cur.insert(formula);
 185                         } else
 186                                 cur.insert(formula);
 187                 } else {
 188                         cur.insert(new MathMacroTemplate(sel));
 189                 }
 190         }
 191         if (valid)
 192                 cur.message(from_utf8(N_("Math editor mode")));
 193         else
 194                 cur.message(from_utf8(N_("No valid math formula")));
 195 }
 196
 197
 198 void regexpDispatch(Cursor & cur, FuncRequest const & cmd)
 199 {
 200         BOOST_ASSERT(cmd.action == LFUN_REGEXP_MODE);
 201         if (cur.inRegexped()) {
 202                 cur.message(_("Already in regexp mode"));
 203                 return;
 204         }
 205         cur.recordUndo();
 206         docstring const save_selection = grabAndEraseSelection(cur);
 207         selClearOrDel(cur);
 208         // replaceSelection(cur);
 209
 210         cur.insert(new InsetMathHull(hullRegexp));
 211         cur.nextInset()->edit(cur, true);
 212         cur.niceInsert(save_selection);
 213
 214         cur.message(_("Regexp editor mode"));
 215 }
 216
 217
 218 static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 219 {
 220         cur.recordUndo();
 221         cap::replaceSelection(cur);
 222         cur.insert(new InsetSpecialChar(kind));
 223         cur.posForward();
 224 }
 225
 226
 227 static bool doInsertInset(Cursor & cur, Text * text,
 228         FuncRequest const & cmd, bool edit, bool pastesel)
 229 {
 230         Buffer & buffer = cur.bv().buffer();
 231         BufferParams const & bparams = buffer.params();
 232         Inset * inset = createInset(buffer, cmd);
 233         if (!inset)
 234                 return false;
 235
 236         if (InsetCollapsable * ci = inset->asInsetCollapsable())
 237                 ci->setLayout(bparams);
 238
 239         cur.recordUndo();
 240         if (cmd.action == LFUN_INDEX_INSERT) {
 241                 docstring ds = subst(text->getStringToIndex(cur), '\n', ' ');
 242                 text->insertInset(cur, inset);
 243                 if (edit)
 244                         inset->edit(cur, true);
 245                 // Now put this into inset
 246                 static_cast<InsetCollapsable *>(inset)->
 247                                 text().insertStringAsParagraphs(cur, ds);
 248                 return true;
 249         }
 250
 251         bool gotsel = false;
 252         if (cur.selection()) {
 253                 cutSelection(cur, false, pastesel);
 254                 cur.clearSelection();
 255                 gotsel = true;
 256         }
 257         text->insertInset(cur, inset);
 258
 259         if (edit)
 260                 inset->edit(cur, true);
 261
 262         if (!gotsel || !pastesel)
 263                 return true;
 264
 265         pasteFromStack(cur, cur.buffer()->errorList("Paste"), 0);
 266         cur.buffer()->errors("Paste");
 267         cur.clearSelection(); // bug 393
 268         cur.finishUndo();
 269         InsetText * insetText = dynamic_cast<InsetText *>(inset);
 270         if (insetText && (!insetText->allowMultiPar() || cur.lastpit() == 0)) {
 271                 // reset first par to default
 272                 cur.text()->paragraphs().begin()
 273                         ->setPlainOrDefaultLayout(bparams.documentClass());
 274                 cur.pos() = 0;
 275                 cur.pit() = 0;
 276                 // Merge multiple paragraphs -- hack
 277                 while (cur.lastpit() > 0)
 278                         mergeParagraph(bparams, cur.text()->paragraphs(), 0);
 279                 cur.leaveInset(*inset);
 280         } else {
 281                 cur.leaveInset(*inset);
 282                 // reset surrounding par to default
 283                 DocumentClass const & dc = bparams.documentClass();
 284                 docstring const layoutname = inset->usePlainLayout()
 285                         ? dc.plainLayoutName()
 286                         : dc.defaultLayoutName();
 287                 text->setLayout(cur, layoutname);
 288         }
 289
 290         return true;
 291 }
 292
 293
 294 string const freefont2string()
 295 {
 296         return freefont.toString(toggleall);
 297 }
 298
 299
 300 /// the type of outline operation
 301 enum OutlineOp {
 302         OutlineUp, // Move this header with text down
 303         OutlineDown,   // Move this header with text up
 304         OutlineIn, // Make this header deeper
 305         OutlineOut // Make this header shallower
 306 };
 307
 308
 309 static void outline(OutlineOp mode, Cursor & cur)
 310 {
 311         Buffer & buf = *cur.buffer();
 312         pit_type & pit = cur.pit();
 313         ParagraphList & pars = buf.text().paragraphs();
 314         ParagraphList::iterator const bgn = pars.begin();
 315         // The first paragraph of the area to be copied:
 316         ParagraphList::iterator start = boost::next(bgn, pit);
 317         // The final paragraph of area to be copied:
 318         ParagraphList::iterator finish = start;
 319         ParagraphList::iterator const end = pars.end();
 320
 321         DocumentClass const & tc = buf.params().documentClass();
 322
 323         int const thistoclevel = start->layout().toclevel;
 324         int toclevel;
 325
 326         // Move out (down) from this section header
 327         if (finish != end)
 328                 ++finish;
 329         // Seek the one (on same level) below
 330         for (; finish != end; ++finish) {
 331                 toclevel = finish->layout().toclevel;
 332                 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 333                         break;
 334         }
 335
 336         // Do we need to set insets' buffer_ members, because we copied
 337         // some stuff? We'll assume we do and reset it otherwise.
 338         bool setBuffers = true;
 339
 340         switch (mode) {
 341                 case OutlineUp: {
 342                         if (start == pars.begin())
 343                                 // Nothing to move.
 344                                 return;
 345                         ParagraphList::iterator dest = start;
 346                         // Move out (up) from this header
 347                         if (dest == bgn)
 348                                 return;
 349                         // Search previous same-level header above
 350                         do {
 351                                 --dest;
 352                                 toclevel = dest->layout().toclevel;
 353                         } while(dest != bgn
 354                                 && (toclevel == Layout::NOT_IN_TOC
 355                                     || toclevel > thistoclevel));
 356                         // Not found; do nothing
 357                         if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
 358                                 return;
 359                         pit_type const newpit = distance(bgn, dest);
 360                         pit_type const len = distance(start, finish);
 361                         pit_type const deletepit = pit + len;
 362                         buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
 363                         pars.insert(dest, start, finish);
 364                         start = boost::next(pars.begin(), deletepit);
 365                         pit = newpit;
 366                         pars.erase(start, finish);
 367                         break;
 368                 }
 369                 case OutlineDown: {
 370                         if (finish == end)
 371                                 // Nothing to move.
 372                                 return;
 373                         // Go one down from *this* header:
 374                         ParagraphList::iterator dest = boost::next(finish, 1);
 375                         // Go further down to find header to insert in front of:
 376                         for (; dest != end; ++dest) {
 377                                 toclevel = dest->layout().toclevel;
 378                                 if (toclevel != Layout::NOT_IN_TOC
 379                                       && toclevel <= thistoclevel)
 380                                         break;
 381                         }
 382                         // One such was found:
 383                         pit_type newpit = distance(bgn, dest);
 384                         pit_type const len = distance(start, finish);
 385                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
 386                         pars.insert(dest, start, finish);
 387                         start = boost::next(bgn, pit);
 388                         pit = newpit - len;
 389                         pars.erase(start, finish);
 390                         break;
 391                 }
 392                 case OutlineIn: {
 393                         pit_type const len = distance(start, finish);
 394                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 395                         for (; start != finish; ++start) {
 396                                 toclevel = start->layout().toclevel;
 397                                 if (toclevel == Layout::NOT_IN_TOC)
 398                                         continue;
 399                                 DocumentClass::const_iterator lit = tc.begin();
 400                                 DocumentClass::const_iterator len = tc.end();
 401                                 for (; lit != len; ++lit) {
 402                                         if (lit->toclevel == toclevel + 1 &&
 403                                             start->layout().labeltype == lit->labeltype) {
 404                                                 start->setLayout(*lit);
 405                                                 break;
 406                                         }
 407                                 }
 408                         }
 409                         setBuffers = false;
 410                         break;
 411                 }
 412                 case OutlineOut: {
 413                         pit_type const len = distance(start, finish);
 414                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 415                         for (; start != finish; ++start) {
 416                                 toclevel = start->layout().toclevel;
 417                                 if (toclevel == Layout::NOT_IN_TOC)
 418                                         continue;
 419                                 DocumentClass::const_iterator lit = tc.begin();
 420                                 DocumentClass::const_iterator len = tc.end();
 421                                 for (; lit != len; ++lit) {
 422                                         if (lit->toclevel == toclevel - 1 &&
 423                                                 start->layout().labeltype == lit->labeltype) {
 424                                                         start->setLayout(*lit);
 425                                                         break;
 426                                         }
 427                                 }
 428                         }
 429                         setBuffers = false;
 430                         break;
 431                 }
 432         }
 433         if (setBuffers)
 434                 // FIXME This only really needs doing for the newly introduced
 435                 // paragraphs. Something like:
 436                 //      pit_type const numpars = distance(start, finish);
 437                 //      start = boost::next(bgn, pit);
 438                 //      finish = boost::next(start, numpars);
 439                 //      for (; start != finish; ++start)
 440                 //              start->setBuffer(buf);
 441                 // But while this seems to work, it is kind of fragile.
 442                 buf.inset().setBuffer(buf);
 443 }
 444
 445
 446 void Text::number(Cursor & cur)
 447 {
 448         FontInfo font = ignore_font;
 449         font.setNumber(FONT_TOGGLE);
 450         toggleAndShow(cur, this, Font(font, ignore_language));
 451 }
 452
 453
 454 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 455 {
 456         return par.isRTL(buffer.params());
 457 }
 458
 459
 460 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 461 {
 462         LYXERR(Debug::ACTION, "Text::dispatch: cmd: " << cmd);
 463
 464         BufferView * bv = &cur.bv();
 465         TextMetrics & tm = bv->textMetrics(this);
 466         if (!tm.contains(cur.pit())) {
 467                 lyx::dispatch(FuncRequest(LFUN_SCREEN_SHOW_CURSOR));
 468                 tm = bv->textMetrics(this);
 469         }
 470
 471         // FIXME: We use the update flag to indicates wether a singlePar or a
 472         // full screen update is needed. We reset it here but shall we restore it
 473         // at the end?
 474         cur.noUpdate();
 475
 476         LASSERT(cur.text() == this, /**/);
 477         CursorSlice oldTopSlice = cur.top();
 478         bool oldBoundary = cur.boundary();
 479         bool sel = cur.selection();
 480         // Signals that, even if needsUpdate == false, an update of the
 481         // cursor paragraph is required
 482         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 483                 LyXAction::SingleParUpdate);
 484         // Signals that a full-screen update is required
 485         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 486                 LyXAction::NoUpdate) || singleParUpdate);
 487
 488         switch (cmd.action) {
 489
 490         case LFUN_PARAGRAPH_MOVE_DOWN: {
 491                 pit_type const pit = cur.pit();
 492                 recUndo(cur, pit, pit + 1);
 493                 cur.finishUndo();
 494                 swap(pars_[pit], pars_[pit + 1]);
 495                 cur.buffer()->updateLabels();
 496                 needsUpdate = true;
 497                 ++cur.pit();
 498                 break;
 499         }
 500
 501         case LFUN_PARAGRAPH_MOVE_UP: {
 502                 pit_type const pit = cur.pit();
 503                 recUndo(cur, pit - 1, pit);
 504                 cur.finishUndo();
 505                 swap(pars_[pit], pars_[pit - 1]);
 506                 cur.buffer()->updateLabels();
 507                 --cur.pit();
 508                 needsUpdate = true;
 509                 break;
 510         }
 511
 512         case LFUN_APPENDIX: {
 513                 Paragraph & par = cur.paragraph();
 514                 bool start = !par.params().startOfAppendix();
 515
 516 // FIXME: The code below only makes sense at top level.
 517 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 518                 // ensure that we have only one start_of_appendix in this document
 519                 // FIXME: this don't work for multipart document!
 520                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 521                         if (pars_[tmp].params().startOfAppendix()) {
 522                                 recUndo(cur, tmp);
 523                                 pars_[tmp].params().startOfAppendix(false);
 524                                 break;
 525                         }
 526                 }
 527
 528                 cur.recordUndo();
 529                 par.params().startOfAppendix(start);
 530
 531                 // we can set the refreshing parameters now
 532                 cur.buffer()->updateLabels();
 533                 break;
 534         }
 535
 536         case LFUN_WORD_DELETE_FORWARD:
 537                 if (cur.selection())
 538                         cutSelection(cur, true, false);
 539                 else
 540                         deleteWordForward(cur);
 541                 finishChange(cur, false);
 542                 break;
 543
 544         case LFUN_WORD_DELETE_BACKWARD:
 545                 if (cur.selection())
 546                         cutSelection(cur, true, false);
 547                 else
 548                         deleteWordBackward(cur);
 549                 finishChange(cur, false);
 550                 break;
 551
 552         case LFUN_LINE_DELETE:
 553                 if (cur.selection())
 554                         cutSelection(cur, true, false);
 555                 else
 556                         tm.deleteLineForward(cur);
 557                 finishChange(cur, false);
 558                 break;
 559
 560         case LFUN_BUFFER_BEGIN:
 561         case LFUN_BUFFER_BEGIN_SELECT:
 562                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 563                 if (cur.depth() == 1)
 564                         needsUpdate |= cursorTop(cur);
 565                 else
 566                         cur.undispatched();
 567                 cur.updateFlags(Update::FitCursor);
 568                 break;
 569
 570         case LFUN_BUFFER_END:
 571         case LFUN_BUFFER_END_SELECT:
 572                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 573                 if (cur.depth() == 1)
 574                         needsUpdate |= cursorBottom(cur);
 575                 else
 576                         cur.undispatched();
 577                 cur.updateFlags(Update::FitCursor);
 578                 break;
 579
 580         case LFUN_INSET_BEGIN:
 581         case LFUN_INSET_BEGIN_SELECT:
 582                 needsUpdate |= cur.selHandle(cmd.action == LFUN_INSET_BEGIN_SELECT);
 583                 if (cur.depth() == 1 || cur.pos() > 0)
 584                         needsUpdate |= cursorTop(cur);
 585                 else
 586                         cur.undispatched();
 587                 cur.updateFlags(Update::FitCursor);
 588                 break;
 589
 590         case LFUN_INSET_END:
 591         case LFUN_INSET_END_SELECT:
 592                 needsUpdate |= cur.selHandle(cmd.action == LFUN_INSET_END_SELECT);
 593                 if (cur.depth() == 1 || cur.pos() < cur.lastpos())
 594                         needsUpdate |= cursorBottom(cur);
 595                 else
 596                         cur.undispatched();
 597                 cur.updateFlags(Update::FitCursor);
 598                 break;
 599
 600         case LFUN_CHAR_FORWARD:
 601         case LFUN_CHAR_FORWARD_SELECT:
 602                 //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
 603                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 604                 needsUpdate |= cursorForward(cur);
 605
 606                 if (!needsUpdate && oldTopSlice == cur.top()
 607                                 && cur.boundary() == oldBoundary) {
 608                         cur.undispatched();
 609                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 610                 }
 611                 break;
 612
 613         case LFUN_CHAR_BACKWARD:
 614         case LFUN_CHAR_BACKWARD_SELECT:
 615                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 616                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 617                 needsUpdate |= cursorBackward(cur);
 618
 619                 if (!needsUpdate && oldTopSlice == cur.top()
 620                         && cur.boundary() == oldBoundary) {
 621                         cur.undispatched();
 622                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 623                 }
 624                 break;
 625
 626         case LFUN_CHAR_LEFT:
 627         case LFUN_CHAR_LEFT_SELECT:
 628                 if (lyxrc.visual_cursor) {
 629                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_LEFT_SELECT);
 630                         needsUpdate |= cursorVisLeft(cur);
 631                         if (!needsUpdate && oldTopSlice == cur.top()
 632                                         && cur.boundary() == oldBoundary) {
 633                                 cur.undispatched();
 634                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 635                         }
 636                 } else {
 637                         if (reverseDirectionNeeded(cur)) {
 638                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 639                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 640                         } else {
 641                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 642                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 643                         }
 644                         dispatch(cur, cmd);
 645                         return;
 646                 }
 647                 break;
 648
 649         case LFUN_CHAR_RIGHT:
 650         case LFUN_CHAR_RIGHT_SELECT:
 651                 if (lyxrc.visual_cursor) {
 652                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_RIGHT_SELECT);
 653                         needsUpdate |= cursorVisRight(cur);
 654                         if (!needsUpdate && oldTopSlice == cur.top()
 655                                         && cur.boundary() == oldBoundary) {
 656                                 cur.undispatched();
 657                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 658                         }
 659                 } else {
 660                         if (reverseDirectionNeeded(cur)) {
 661                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 662                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 663                         } else {
 664                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 665                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 666                         }
 667                         dispatch(cur, cmd);
 668                         return;
 669                 }
 670                 break;
 671
 672
 673         case LFUN_UP_SELECT:
 674         case LFUN_DOWN_SELECT:
 675         case LFUN_UP:
 676         case LFUN_DOWN: {
 677                 // stop/start the selection
 678                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 679                         cmd.action == LFUN_UP_SELECT;
 680
 681                 // move cursor up/down
 682                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 683                 bool const atFirstOrLastRow = cur.atFirstOrLastRow(up);
 684
 685                 if (!atFirstOrLastRow) {
 686                         needsUpdate |= cur.selHandle(select);
 687                         cur.selHandle(select);
 688                         cur.upDownInText(up, needsUpdate);
 689                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 690                 } else {
 691                         // if the cursor cannot be moved up or down do not remove
 692                         // the selection right now, but wait for the next dispatch.
 693                         if (select)
 694                                 needsUpdate |= cur.selHandle(select);
 695                         cur.upDownInText(up, needsUpdate);
 696                         cur.undispatched();
 697                 }
 698
 699                 break;
 700         }
 701
 702         case LFUN_PARAGRAPH_UP:
 703         case LFUN_PARAGRAPH_UP_SELECT:
 704                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 705                 needsUpdate |= cursorUpParagraph(cur);
 706                 break;
 707
 708         case LFUN_PARAGRAPH_DOWN:
 709         case LFUN_PARAGRAPH_DOWN_SELECT:
 710                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 711                 needsUpdate |= cursorDownParagraph(cur);
 712                 break;
 713
 714         case LFUN_LINE_BEGIN:
 715         case LFUN_LINE_BEGIN_SELECT:
 716                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 717                 needsUpdate |= tm.cursorHome(cur);
 718                 break;
 719
 720         case LFUN_LINE_END:
 721         case LFUN_LINE_END_SELECT:
 722                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 723                 needsUpdate |= tm.cursorEnd(cur);
 724                 break;
 725
 726         case LFUN_SECTION_SELECT: {
 727                 Buffer const & buf = *cur.buffer();
 728                 pit_type const pit = cur.pit();
 729                 ParagraphList & pars = buf.text().paragraphs();
 730                 ParagraphList::iterator bgn = pars.begin();
 731                 // The first paragraph of the area to be selected:
 732                 ParagraphList::iterator start = boost::next(bgn, pit);
 733                 // The final paragraph of area to be selected:
 734                 ParagraphList::iterator finish = start;
 735                 ParagraphList::iterator end = pars.end();
 736
 737                 int const thistoclevel = start->layout().toclevel;
 738                 if (thistoclevel == Layout::NOT_IN_TOC)
 739                         break;
 740
 741                 cur.pos() = 0;
 742                 Cursor const old_cur = cur;
 743                 needsUpdate |= cur.selHandle(true);
 744
 745                 // Move out (down) from this section header
 746                 if (finish != end)
 747                         ++finish;
 748
 749                 // Seek the one (on same level) below
 750                 for (; finish != end; ++finish, ++cur.pit()) {
 751                         int const toclevel = finish->layout().toclevel;
 752                         if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 753                                 break;
 754                 }
 755                 cur.pos() = cur.lastpos();
 756
 757                 needsUpdate |= cur != old_cur;
 758                 break;
 759         }
 760
 761         case LFUN_WORD_RIGHT:
 762         case LFUN_WORD_RIGHT_SELECT:
 763                 if (lyxrc.visual_cursor) {
 764                         needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_RIGHT_SELECT);
 765                         needsUpdate |= cursorVisRightOneWord(cur);
 766                         if (!needsUpdate && oldTopSlice == cur.top()
 767                                         && cur.boundary() == oldBoundary) {
 768                                 cur.undispatched();
 769                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 770                         }
 771                 } else {
 772                         if (reverseDirectionNeeded(cur)) {
 773                                 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 774                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 775                         } else {
 776                                 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 777                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 778                         }
 779                         dispatch(cur, cmd);
 780                         return;
 781                 }
 782                 break;
 783
 784         case LFUN_WORD_FORWARD:
 785         case LFUN_WORD_FORWARD_SELECT:
 786                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 787                 needsUpdate |= cursorForwardOneWord(cur);
 788                 break;
 789
 790         case LFUN_WORD_LEFT:
 791         case LFUN_WORD_LEFT_SELECT:
 792                 if (lyxrc.visual_cursor) {
 793                         needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_LEFT_SELECT);
 794                         needsUpdate |= cursorVisLeftOneWord(cur);
 795                         if (!needsUpdate && oldTopSlice == cur.top()
 796                                         && cur.boundary() == oldBoundary) {
 797                                 cur.undispatched();
 798                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 799                         }
 800                 } else {
 801                         if (reverseDirectionNeeded(cur)) {
 802                                 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 803                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 804                         } else {
 805                                 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 806                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 807                         }
 808                         dispatch(cur, cmd);
 809                         return;
 810                 }
 811                 break;
 812
 813         case LFUN_WORD_BACKWARD:
 814         case LFUN_WORD_BACKWARD_SELECT:
 815                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 816                 needsUpdate |= cursorBackwardOneWord(cur);
 817                 break;
 818
 819         case LFUN_WORD_SELECT: {
 820                 selectWord(cur, WHOLE_WORD);
 821                 finishChange(cur, true);
 822                 break;
 823         }
 824
 825         case LFUN_NEWLINE_INSERT: {
 826                 InsetNewlineParams inp;
 827                 docstring arg = cmd.argument();
 828                 // this avoids a double undo
 829                 // FIXME: should not be needed, ideally
 830                 if (!cur.selection())
 831                         cur.recordUndo();
 832                 cap::replaceSelection(cur);
 833                 if (arg == "linebreak")
 834                         inp.kind = InsetNewlineParams::LINEBREAK;
 835                 else
 836                         inp.kind = InsetNewlineParams::NEWLINE;
 837                 cur.insert(new InsetNewline(inp));
 838                 cur.posForward();
 839                 moveCursor(cur, false);
 840                 break;
 841         }
 842
 843         case LFUN_CHAR_DELETE_FORWARD:
 844                 if (!cur.selection()) {
 845                         if (cur.pos() == cur.paragraph().size())
 846                                 // Par boundary, force full-screen update
 847                                 singleParUpdate = false;
 848                         needsUpdate |= erase(cur);
 849                         cur.resetAnchor();
 850                         // It is possible to make it a lot faster still
 851                         // just comment out the line below...
 852                 } else {
 853                         cutSelection(cur, true, false);
 854                         singleParUpdate = false;
 855                 }
 856                 moveCursor(cur, false);
 857                 break;
 858
 859         case LFUN_CHAR_DELETE_BACKWARD:
 860                 if (!cur.selection()) {
 861                         if (bv->getIntl().getTransManager().backspace()) {
 862                                 // Par boundary, full-screen update
 863                                 if (cur.pos() == 0)
 864                                         singleParUpdate = false;
 865                                 needsUpdate |= backspace(cur);
 866                                 cur.resetAnchor();
 867                                 // It is possible to make it a lot faster still
 868                                 // just comment out the line below...
 869                         }
 870                 } else {
 871                         cutSelection(cur, true, false);
 872                         singleParUpdate = false;
 873                 }
 874                 break;
 875
 876         case LFUN_BREAK_PARAGRAPH:
 877                 cap::replaceSelection(cur);
 878                 breakParagraph(cur, cmd.argument() == "inverse");
 879                 cur.resetAnchor();
 880                 break;
 881
 882         // TODO
 883         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 884         // as its duties can be performed there. Should it be removed??
 885         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 886         case LFUN_PARAGRAPH_SPACING: {
 887                 Paragraph & par = cur.paragraph();
 888                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 889                 string cur_value = "1.0";
 890                 if (cur_spacing == Spacing::Other)
 891                         cur_value = par.params().spacing().getValueAsString();
 892
 893                 istringstream is(to_utf8(cmd.argument()));
 894                 string tmp;
 895                 is >> tmp;
 896                 Spacing::Space new_spacing = cur_spacing;
 897                 string new_value = cur_value;
 898                 if (tmp.empty()) {
 899                         lyxerr << "Missing argument to `paragraph-spacing'"
 900                                << endl;
 901                 } else if (tmp == "single") {
 902                         new_spacing = Spacing::Single;
 903                 } else if (tmp == "onehalf") {
 904                         new_spacing = Spacing::Onehalf;
 905                 } else if (tmp == "double") {
 906                         new_spacing = Spacing::Double;
 907                 } else if (tmp == "other") {
 908                         new_spacing = Spacing::Other;
 909                         string tmpval = "0.0";
 910                         is >> tmpval;
 911                         lyxerr << "new_value = " << tmpval << endl;
 912                         if (tmpval != "0.0")
 913                                 new_value = tmpval;
 914                 } else if (tmp == "default") {
 915                         new_spacing = Spacing::Default;
 916                 } else {
 917                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 918                                << to_utf8(cmd.argument()) << endl;
 919                 }
 920                 if (cur_spacing != new_spacing || cur_value != new_value)
 921                         par.params().spacing(Spacing(new_spacing, new_value));
 922                 break;
 923         }
 924
 925         case LFUN_INSET_INSERT: {
 926                 cur.recordUndo();
 927
 928                 // We have to avoid triggering InstantPreview loading
 929                 // before inserting into the document. See bug #5626.
 930                 bool loaded = bv->buffer().isFullyLoaded();
 931                 bv->buffer().setFullyLoaded(false);
 932                 Inset * inset = createInset(bv->buffer(), cmd);
 933                 bv->buffer().setFullyLoaded(loaded);
 934
 935                 if (inset) {
 936                         // FIXME (Abdel 01/02/2006):
 937                         // What follows would be a partial fix for bug 2154:
 938                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 939                         // This automatically put the label inset _after_ a
 940                         // numbered section. It should be possible to extend the mechanism
 941                         // to any kind of LateX environement.
 942                         // The correct way to fix that bug would be at LateX generation.
 943                         // I'll let the code here for reference as it could be used for some
 944                         // other feature like "automatic labelling".
 945                         /*
 946                         Paragraph & par = pars_[cur.pit()];
 947                         if (inset->lyxCode() == LABEL_CODE
 948                                 && par.layout().labeltype == LABEL_COUNTER) {
 949                                 // Go to the end of the paragraph
 950                                 // Warning: Because of Change-Tracking, the last
 951                                 // position is 'size()' and not 'size()-1':
 952                                 cur.pos() = par.size();
 953                                 // Insert a new paragraph
 954                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 955                                 dispatch(cur, fr);
 956                         }
 957                         */
 958                         if (cur.selection())
 959                                 cutSelection(cur, true, false);
 960                         cur.insert(inset);
 961                         cur.posForward();
 962
 963                         // trigger InstantPreview now
 964                         if (inset->lyxCode() == EXTERNAL_CODE) {
 965                                 InsetExternal & ins =
 966                                         static_cast<InsetExternal &>(*inset);
 967                                 ins.updatePreview();
 968                         }
 969                 }
 970
 971                 break;
 972         }
 973
 974         case LFUN_INSET_DISSOLVE: {
 975                 // first, try if there's an inset at cursor
 976                 // FIXME: this first part should be moved to
 977                 // a LFUN_NEXT_INSET_DISSOLVE, or be called via
 978                 // some generic "next-inset inset-dissolve"
 979                 Inset * inset = cur.nextInset();
 980                 if (inset && inset->isActive()) {
 981                         Cursor tmpcur = cur;
 982                         tmpcur.pushBackward(*inset);
 983                         inset->dispatch(tmpcur, cmd);
 984                         if (tmpcur.result().dispatched()) {
 985                                 cur.dispatched();
 986                                 break;
 987                         }
 988                 }
 989                 // if it did not work, try the underlying inset
 990                 if (dissolveInset(cur)) {
 991                         needsUpdate = true;
 992                         break;
 993                 }
 994                 // if it did not work, do nothing.
 995                 break;
 996         }
 997
 998         case LFUN_SET_GRAPHICS_GROUP: {
 999                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
1000                 if (!ins)
1001                         break;
1002
1003                 cur.recordUndo();
1004
1005                 string id = to_utf8(cmd.argument());
1006                 string grp = graphics::getGroupParams(bv->buffer(), id);
1007                 InsetGraphicsParams tmp, inspar = ins->getParams();
1008
1009                 if (id.empty())
1010                         inspar.groupId = to_utf8(cmd.argument());
1011                 else {
1012                         InsetGraphics::string2params(grp, bv->buffer(), tmp);
1013                         tmp.filename = inspar.filename;
1014                         inspar = tmp;
1015                 }
1016
1017                 ins->setParams(inspar);
1018         }
1019
1020         case LFUN_SPACE_INSERT:
1021                 if (cur.paragraph().layout().free_spacing)
1022                         insertChar(cur, ' ');
1023                 else {
1024                         doInsertInset(cur, this, cmd, false, false);
1025                         cur.posForward();
1026                 }
1027                 moveCursor(cur, false);
1028                 break;
1029
1030         case LFUN_SPECIALCHAR_INSERT: {
1031                 string const name = to_utf8(cmd.argument());
1032                 if (name == "hyphenation")
1033                         specialChar(cur, InsetSpecialChar::HYPHENATION);
1034                 else if (name == "ligature-break")
1035                         specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
1036                 else if (name == "slash")
1037                         specialChar(cur, InsetSpecialChar::SLASH);
1038                 else if (name == "nobreakdash")
1039                         specialChar(cur, InsetSpecialChar::NOBREAKDASH);
1040                 else if (name == "dots")
1041                         specialChar(cur, InsetSpecialChar::LDOTS);
1042                 else if (name == "end-of-sentence")
1043                         specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
1044                 else if (name == "menu-separator")
1045                         specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
1046                 else if (name.empty())
1047                         lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
1048                 else
1049                         lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
1050                 break;
1051         }
1052
1053         case LFUN_WORD_UPCASE:
1054                 changeCase(cur, text_uppercase);
1055                 break;
1056
1057         case LFUN_WORD_LOWCASE:
1058                 changeCase(cur, text_lowercase);
1059                 break;
1060
1061         case LFUN_WORD_CAPITALIZE:
1062                 changeCase(cur, text_capitalization);
1063                 break;
1064
1065         case LFUN_CHARS_TRANSPOSE:
1066                 charsTranspose(cur);
1067                 break;
1068
1069         case LFUN_PASTE: {
1070                 cur.message(_("Paste"));
1071                 LASSERT(cur.selBegin().idx() == cur.selEnd().idx(), /**/);
1072                 cap::replaceSelection(cur);
1073
1074                 // without argument?
1075                 string const arg = to_utf8(cmd.argument());
1076                 if (arg.empty()) {
1077                         if (theClipboard().isInternal())
1078                                 pasteFromStack(cur, bv->buffer().errorList("Paste"), 0);
1079                         else if (theClipboard().hasGraphicsContents()
1080                                      && !theClipboard().hasTextContents())
1081                                 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"));
1082                         else
1083                                 pasteClipboardText(cur, bv->buffer().errorList("Paste"));
1084                 } else if (isStrUnsignedInt(arg)) {
1085                         // we have a numerical argument
1086                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
1087                                        convert<unsigned int>(arg));
1088                 } else {
1089                         Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
1090                         if (arg == "pdf")
1091                                 type = Clipboard::PdfGraphicsType;
1092                         else if (arg == "png")
1093                                 type = Clipboard::PngGraphicsType;
1094                         else if (arg == "jpeg")
1095                                 type = Clipboard::JpegGraphicsType;
1096                         else if (arg == "linkback")
1097                                 type = Clipboard::LinkBackGraphicsType;
1098                         else if (arg == "emf")
1099                                 type = Clipboard::EmfGraphicsType;
1100                         else if (arg == "wmf")
1101                                 type = Clipboard::WmfGraphicsType;
1102
1103                         else
1104                                 LASSERT(false, /**/);
1105
1106                         pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
1107                 }
1108
1109                 bv->buffer().errors("Paste");
1110                 cur.clearSelection(); // bug 393
1111                 cur.finishUndo();
1112                 break;
1113         }
1114
1115         case LFUN_CUT:
1116                 cutSelection(cur, true, true);
1117                 cur.message(_("Cut"));
1118                 break;
1119
1120         case LFUN_COPY:
1121                 copySelection(cur);
1122                 cur.message(_("Copy"));
1123                 break;
1124
1125         case LFUN_SERVER_GET_XY:
1126                 cur.message(from_utf8(
1127                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
1128                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
1129                 break;
1130
1131         case LFUN_SERVER_SET_XY: {
1132                 int x = 0;
1133                 int y = 0;
1134                 istringstream is(to_utf8(cmd.argument()));
1135                 is >> x >> y;
1136                 if (!is)
1137                         lyxerr << "SETXY: Could not parse coordinates in '"
1138                                << to_utf8(cmd.argument()) << endl;
1139                 else
1140                         tm.setCursorFromCoordinates(cur, x, y);
1141                 break;
1142         }
1143
1144         case LFUN_SERVER_GET_LAYOUT:
1145                 cur.message(cur.paragraph().layout().name());
1146                 break;
1147
1148         case LFUN_LAYOUT: {
1149                 docstring layout = cmd.argument();
1150                 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
1151
1152                 Paragraph const & para = cur.paragraph();
1153                 docstring const old_layout = para.layout().name();
1154                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1155
1156                 if (layout.empty())
1157                         layout = tclass.defaultLayoutName();
1158
1159                 if (para.forcePlainLayout())
1160                         // in this case only the empty layout is allowed
1161                         layout = tclass.plainLayoutName();
1162                 else if (para.usePlainLayout()) {
1163                         // in this case, default layout maps to empty layout
1164                         if (layout == tclass.defaultLayoutName())
1165                                 layout = tclass.plainLayoutName();
1166                 } else {
1167                         // otherwise, the empty layout maps to the default
1168                         if (layout == tclass.plainLayoutName())
1169                                 layout = tclass.defaultLayoutName();
1170                 }
1171
1172                 bool hasLayout = tclass.hasLayout(layout);
1173
1174                 // If the entry is obsolete, use the new one instead.
1175                 if (hasLayout) {
1176                         docstring const & obs = tclass[layout].obsoleted_by();
1177                         if (!obs.empty())
1178                                 layout = obs;
1179                 }
1180
1181                 if (!hasLayout) {
1182                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
1183                                 from_utf8(N_(" not known")));
1184                         break;
1185                 }
1186
1187                 bool change_layout = (old_layout != layout);
1188
1189                 if (!change_layout && cur.selection() &&
1190                         cur.selBegin().pit() != cur.selEnd().pit())
1191                 {
1192                         pit_type spit = cur.selBegin().pit();
1193                         pit_type epit = cur.selEnd().pit() + 1;
1194                         while (spit != epit) {
1195                                 if (pars_[spit].layout().name() != old_layout) {
1196                                         change_layout = true;
1197                                         break;
1198                                 }
1199                                 ++spit;
1200                         }
1201                 }
1202
1203                 if (change_layout)
1204                         setLayout(cur, layout);
1205
1206                 break;
1207         }
1208
1209         case LFUN_CLIPBOARD_PASTE:
1210                 cur.clearSelection();
1211                 pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1212                                cmd.argument() == "paragraph");
1213                 bv->buffer().errors("Paste");
1214                 break;
1215
1216         case LFUN_PRIMARY_SELECTION_PASTE:
1217                 pasteString(cur, theSelection().get(),
1218                             cmd.argument() == "paragraph");
1219                 break;
1220
1221         case LFUN_SELECTION_PASTE:
1222                 // Copy the selection buffer to the clipboard stack,
1223                 // because we want it to appear in the "Edit->Paste
1224                 // recent" menu.
1225                 cap::copySelectionToStack();
1226                 cap::pasteSelection(bv->cursor(), bv->buffer().errorList("Paste"));
1227                 bv->buffer().errors("Paste");
1228                 break;
1229
1230         case LFUN_UNICODE_INSERT: {
1231                 if (cmd.argument().empty())
1232                         break;
1233                 docstring hexstring = cmd.argument();
1234                 if (isHex(hexstring)) {
1235                         char_type c = hexToInt(hexstring);
1236                         if (c >= 32 && c < 0x10ffff) {
1237                                 lyxerr << "Inserting c: " << c << endl;
1238                                 docstring s = docstring(1, c);
1239                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1240                         }
1241                 }
1242                 break;
1243         }
1244
1245         case LFUN_QUOTE_INSERT: {
1246                 Paragraph & par = cur.paragraph();
1247                 pos_type pos = cur.pos();
1248                 BufferParams const & bufparams = bv->buffer().params();
1249                 Layout const & style = par.layout();
1250                 InsetLayout const & ilayout = cur.inset().getLayout(bufparams);
1251                 if (!style.pass_thru && !ilayout.isPassThru()
1252                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1253                         // this avoids a double undo
1254                         // FIXME: should not be needed, ideally
1255                         if (!cur.selection())
1256                                 cur.recordUndo();
1257                         cap::replaceSelection(cur);
1258                         pos = cur.pos();
1259                         char_type c;
1260                         if (pos == 0)
1261                                 c = ' ';
1262                         else if (cur.prevInset() && cur.prevInset()->isSpace())
1263                                 c = ' ';
1264                         else
1265                                 c = par.getChar(pos - 1);
1266                         string arg = to_utf8(cmd.argument());
1267                         cur.insert(new InsetQuotes(bv->buffer(), c, (arg == "single")
1268                                 ? InsetQuotes::SingleQuotes : InsetQuotes::DoubleQuotes));
1269                         cur.posForward();
1270                 }
1271                 else
1272                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1273                 break;
1274         }
1275
1276         case LFUN_DATE_INSERT: {
1277                 string const format = cmd.argument().empty()
1278                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1279                 string const time = formatted_time(current_time(), format);
1280                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1281                 break;
1282         }
1283
1284         case LFUN_MOUSE_TRIPLE:
1285                 if (cmd.button() == mouse_button::button1) {
1286                         tm.cursorHome(cur);
1287                         cur.resetAnchor();
1288                         tm.cursorEnd(cur);
1289                         cur.setSelection();
1290                         bv->cursor() = cur;
1291                 }
1292                 break;
1293
1294         case LFUN_MOUSE_DOUBLE:
1295                 if (cmd.button() == mouse_button::button1) {
1296                         selectWord(cur, WHOLE_WORD_STRICT);
1297                         bv->cursor() = cur;
1298                 }
1299                 break;
1300
1301         // Single-click on work area
1302         case LFUN_MOUSE_PRESS:
1303                 // We are not marking a selection with the keyboard in any case.
1304                 cur.bv().cursor().setMark(false);
1305                 switch (cmd.button()) {
1306                 case mouse_button::button1:
1307                         // Set the cursor
1308                         if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
1309                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1310                         break;
1311
1312                 case mouse_button::button2:
1313                         // Middle mouse pasting.
1314                         bv->mouseSetCursor(cur);
1315                         lyx::dispatch(
1316                                 FuncRequest(LFUN_COMMAND_ALTERNATIVES,
1317                                             "selection-paste ; primary-selection-paste paragraph"));
1318                         cur.noUpdate();
1319                         break;
1320
1321                 case mouse_button::button3: {
1322                         Cursor const & bvcur = cur.bv().cursor();
1323                         // Don't do anything if we right-click a
1324                         // selection, a context menu will popup.
1325                         if (bvcur.selection() && cur >= bvcur.selectionBegin()
1326                             && cur < bvcur.selectionEnd()) {
1327                                 cur.noUpdate();
1328                                 return;
1329                         }
1330                         if (!bv->mouseSetCursor(cur, false))
1331                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1332                         break;
1333                 }
1334
1335                 default:
1336                         break;
1337                 } // switch (cmd.button())
1338                 break;
1339
1340         case LFUN_MOUSE_MOTION: {
1341                 // Mouse motion with right or middle mouse do nothing for now.
1342                 if (cmd.button() != mouse_button::button1) {
1343                         cur.noUpdate();
1344                         return;
1345                 }
1346                 // ignore motions deeper nested than the real anchor
1347                 Cursor & bvcur = cur.bv().cursor();
1348                 if (!bvcur.anchor_.hasPart(cur)) {
1349                         cur.undispatched();
1350                         break;
1351                 }
1352                 CursorSlice old = bvcur.top();
1353
1354                 int const wh = bv->workHeight();
1355                 int const y = max(0, min(wh - 1, cmd.y));
1356
1357                 tm.setCursorFromCoordinates(cur, cmd.x, y);
1358                 cur.setTargetX(cmd.x);
1359                 if (cmd.y >= wh)
1360                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1361                 else if (cmd.y < 0)
1362                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1363                 // This is to allow jumping over large insets
1364                 if (cur.top() == old) {
1365                         if (cmd.y >= wh)
1366                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1367                         else if (cmd.y < 0)
1368                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1369                 }
1370                 // We continue with our existing selection or start a new one, so don't
1371                 // reset the anchor.
1372                 bvcur.setCursor(cur);
1373                 bvcur.setSelection(true);
1374                 if (cur.top() == old) {
1375                         // We didn't move one iota, so no need to update the screen.
1376                         cur.updateFlags(Update::SinglePar | Update::FitCursor);
1377                         //cur.noUpdate();
1378                         return;
1379                 }
1380                 break;
1381         }
1382
1383         case LFUN_MOUSE_RELEASE:
1384                 switch (cmd.button()) {
1385                 case mouse_button::button1:
1386                         // Cursor was set at LFUN_MOUSE_PRESS or LFUN_MOUSE_MOTION time.
1387                         // If there is a new selection, update persistent selection;
1388                         // otherwise, single click does not clear persistent selection
1389                         // buffer.
1390                         if (cur.selection()) {
1391                                 // Finish selection. If double click,
1392                                 // cur is moved to the end of word by
1393                                 // selectWord but bvcur is current
1394                                 // mouse position.
1395                                 cur.bv().cursor().setSelection();
1396                                 // We might have removed an empty but drawn selection
1397                                 // (probably a margin)
1398                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1399                         } else
1400                                 cur.noUpdate();
1401                         // FIXME: We could try to handle drag and drop of selection here.
1402                         return;
1403
1404                 case mouse_button::button2:
1405                         // Middle mouse pasting is handled at mouse press time,
1406                         // see LFUN_MOUSE_PRESS.
1407                         cur.noUpdate();
1408                         return;
1409
1410                 case mouse_button::button3:
1411                         // Cursor was set at LFUN_MOUSE_PRESS time.
1412                         // FIXME: If there is a selection we could try to handle a special
1413                         // drag & drop context menu.
1414                         cur.noUpdate();
1415                         return;
1416
1417                 case mouse_button::none:
1418                 case mouse_button::button4:
1419                 case mouse_button::button5:
1420                         break;
1421                 } // switch (cmd.button())
1422
1423                 break;
1424
1425         case LFUN_SELF_INSERT: {
1426                 if (cmd.argument().empty())
1427                         break;
1428
1429                 // Automatically delete the currently selected
1430                 // text and replace it with what is being
1431                 // typed in now. Depends on lyxrc settings
1432                 // "auto_region_delete", which defaults to
1433                 // true (on).
1434
1435                 if (lyxrc.auto_region_delete && cur.selection())
1436                         cutSelection(cur, false, false);
1437
1438                 cur.clearSelection();
1439
1440                 docstring::const_iterator cit = cmd.argument().begin();
1441                 docstring::const_iterator const end = cmd.argument().end();
1442                 for (; cit != end; ++cit)
1443                         bv->translateAndInsert(*cit, this, cur);
1444
1445                 cur.resetAnchor();
1446                 moveCursor(cur, false);
1447                 bv->bookmarkEditPosition();
1448                 break;
1449         }
1450
1451         case LFUN_HYPERLINK_INSERT: {
1452                 InsetCommandParams p(HYPERLINK_CODE);
1453                 docstring content;
1454                 if (cur.selection()) {
1455                         content = cur.selectionAsString(false);
1456                         cutSelection(cur, true, false);
1457                 }
1458                 p["target"] = (cmd.argument().empty()) ?
1459                         content : cmd.argument();
1460                 string const data = InsetCommand::params2string("href", p);
1461                 if (p["target"].empty()) {
1462                         bv->showDialog("href", data);
1463                 } else {
1464                         FuncRequest fr(LFUN_INSET_INSERT, data);
1465                         dispatch(cur, fr);
1466                 }
1467                 break;
1468         }
1469
1470         case LFUN_LABEL_INSERT: {
1471                 InsetCommandParams p(LABEL_CODE);
1472                 // Try to generate a valid label
1473                 p["name"] = (cmd.argument().empty()) ?
1474                         cur.getPossibleLabel() :
1475                         cmd.argument();
1476                 string const data = InsetCommand::params2string("label", p);
1477
1478                 if (cmd.argument().empty()) {
1479                         bv->showDialog("label", data);
1480                 } else {
1481                         FuncRequest fr(LFUN_INSET_INSERT, data);
1482                         dispatch(cur, fr);
1483                 }
1484                 break;
1485         }
1486
1487         case LFUN_INFO_INSERT: {
1488                 Inset * inset;
1489                 if (cmd.argument().empty() && cur.selection()) {
1490                         // if command argument is empty use current selection as parameter.
1491                         docstring ds = cur.selectionAsString(false);
1492                         cutSelection(cur, true, false);
1493                         FuncRequest cmd0(cmd, ds);
1494                         inset = createInset(cur.bv().buffer(), cmd0);
1495                 } else {
1496                         inset = createInset(cur.bv().buffer(), cmd);
1497                 }
1498                 if (!inset)
1499                         break;
1500                 insertInset(cur, inset);
1501                 cur.posForward();
1502                 break;
1503         }
1504         case LFUN_CAPTION_INSERT:
1505         case LFUN_FOOTNOTE_INSERT:
1506         case LFUN_NOTE_INSERT:
1507         case LFUN_FLEX_INSERT:
1508         case LFUN_BOX_INSERT:
1509         case LFUN_BRANCH_INSERT:
1510         case LFUN_PHANTOM_INSERT:
1511         case LFUN_ERT_INSERT:
1512         case LFUN_LISTING_INSERT:
1513         case LFUN_MARGINALNOTE_INSERT:
1514         case LFUN_OPTIONAL_INSERT:
1515         case LFUN_INDEX_INSERT:
1516                 // Open the inset, and move the current selection
1517                 // inside it.
1518                 doInsertInset(cur, this, cmd, true, true);
1519                 cur.posForward();
1520                 // Some insets are numbered, others are shown in the outline pane so
1521                 // let's update the labels and the toc backend.
1522                 bv->buffer().updateLabels();
1523                 break;
1524
1525         case LFUN_TABULAR_INSERT:
1526                 // if there were no arguments, just open the dialog
1527                 if (doInsertInset(cur, this, cmd, false, true))
1528                         cur.posForward();
1529                 else
1530                         bv->showDialog("tabularcreate");
1531
1532                 break;
1533
1534         case LFUN_FLOAT_INSERT:
1535         case LFUN_FLOAT_WIDE_INSERT:
1536         case LFUN_WRAP_INSERT: {
1537                 // will some text be moved into the inset?
1538                 bool content = cur.selection();
1539
1540                 doInsertInset(cur, this, cmd, true, true);
1541                 cur.posForward();
1542
1543                 // If some text is moved into the inset, doInsertInset
1544                 // puts the cursor outside the inset. To insert the
1545                 // caption we put it back into the inset.
1546                 if (content)
1547                         cur.backwardPos();
1548
1549                 ParagraphList & pars = cur.text()->paragraphs();
1550
1551                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1552
1553                 // add a separate paragraph for the caption inset
1554                 pars.push_back(Paragraph());
1555                 pars.back().setInsetOwner(&pars[0].inInset());
1556                 pars.back().setPlainOrDefaultLayout(tclass);
1557                 int cap_pit = pars.size() - 1;
1558
1559                 // if an empty inset was created, we create an additional empty
1560                 // paragraph at the bottom so that the user can choose where to put
1561                 // the graphics (or table).
1562                 if (!content) {
1563                         pars.push_back(Paragraph());
1564                         pars.back().setInsetOwner(&pars[0].inInset());
1565                         pars.back().setPlainOrDefaultLayout(tclass);
1566                 }
1567
1568                 // reposition the cursor to the caption
1569                 cur.pit() = cap_pit;
1570                 cur.pos() = 0;
1571                 // FIXME: This Text/Cursor dispatch handling is a mess!
1572                 // We cannot use Cursor::dispatch here it needs access to up to
1573                 // date metrics.
1574                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1575                 doInsertInset(cur, cur.text(), cmd_caption, true, false);
1576                 bv->buffer().updateLabels();
1577                 cur.updateFlags(Update::Force);
1578                 // FIXME: When leaving the Float (or Wrap) inset we should
1579                 // delete any empty paragraph left above or below the
1580                 // caption.
1581                 break;
1582         }
1583
1584         case LFUN_NOMENCL_INSERT: {
1585                 InsetCommandParams p(NOMENCL_CODE);
1586                 if (cmd.argument().empty())
1587                         p["symbol"] = bv->cursor().innerText()->getStringToIndex(bv->cursor());
1588                 else
1589                         p["symbol"] = cmd.argument();
1590                 string const data = InsetCommand::params2string("nomenclature", p);
1591                 bv->showDialog("nomenclature", data);
1592                 break;
1593         }
1594
1595         case LFUN_INDEX_PRINT: {
1596                 InsetCommandParams p(INDEX_PRINT_CODE);
1597                 if (cmd.argument().empty())
1598                         p["type"] = from_ascii("idx");
1599                 else
1600                         p["type"] = cmd.argument();
1601                 string const data = InsetCommand::params2string("index_print", p);
1602                 FuncRequest fr(LFUN_INSET_INSERT, data);
1603                 dispatch(cur, fr);
1604                 break;
1605         }
1606
1607         case LFUN_NOMENCL_PRINT:
1608         case LFUN_TOC_INSERT:
1609         case LFUN_LINE_INSERT:
1610         case LFUN_NEWPAGE_INSERT:
1611                 // do nothing fancy
1612                 doInsertInset(cur, this, cmd, false, false);
1613                 cur.posForward();
1614                 break;
1615
1616         case LFUN_DEPTH_DECREMENT:
1617                 changeDepth(cur, DEC_DEPTH);
1618                 break;
1619
1620         case LFUN_DEPTH_INCREMENT:
1621                 changeDepth(cur, INC_DEPTH);
1622                 break;
1623
1624         case LFUN_MATH_DISPLAY:
1625                 mathDispatch(cur, cmd, true);
1626                 break;
1627
1628         case LFUN_REGEXP_MODE:
1629                 regexpDispatch(cur, cmd);
1630                 break;
1631
1632         case LFUN_MATH_MODE:
1633                 if (cmd.argument() == "on")
1634                         // don't pass "on" as argument
1635                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1636                 else
1637                         mathDispatch(cur, cmd, false);
1638                 break;
1639
1640         case LFUN_MATH_MACRO:
1641                 if (cmd.argument().empty())
1642                         cur.errorMessage(from_utf8(N_("Missing argument")));
1643                 else {
1644                         string s = to_utf8(cmd.argument());
1645                         string const s1 = token(s, ' ', 1);
1646                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1647                         string const s2 = token(s, ' ', 2);
1648                         MacroType type = MacroTypeNewcommand;
1649                         if (s2 == "def")
1650                                 type = MacroTypeDef;
1651                         MathMacroTemplate * inset = new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, false, type);
1652                         inset->setBuffer(bv->buffer());
1653                         insertInset(cur, inset);
1654
1655                         // enter macro inset and select the name
1656                         cur.push(*inset);
1657                         cur.top().pos() = cur.top().lastpos();
1658                         cur.resetAnchor();
1659                         cur.setSelection(true);
1660                         cur.top().pos() = 0;
1661                 }
1662                 break;
1663
1664         // passthrough hat and underscore outside mathed:
1665         case LFUN_MATH_SUBSCRIPT:
1666                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1667                 break;
1668         case LFUN_MATH_SUPERSCRIPT:
1669                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1670                 break;
1671
1672         case LFUN_MATH_INSERT:
1673         case LFUN_MATH_MATRIX:
1674         case LFUN_MATH_DELIM:
1675         case LFUN_MATH_BIGDELIM: {
1676                 cur.recordUndo();
1677                 cap::replaceSelection(cur);
1678                 cur.insert(new InsetMathHull(hullSimple));
1679                 checkAndActivateInset(cur, true);
1680                 LASSERT(cur.inMathed(), /**/);
1681                 cur.dispatch(cmd);
1682                 break;
1683         }
1684
1685         case LFUN_FONT_EMPH: {
1686                 Font font(ignore_font, ignore_language);
1687                 font.fontInfo().setEmph(FONT_TOGGLE);
1688                 toggleAndShow(cur, this, font);
1689                 break;
1690         }
1691
1692         case LFUN_FONT_ITAL: {
1693                 Font font(ignore_font, ignore_language);
1694                 font.fontInfo().setShape(ITALIC_SHAPE);
1695                 toggleAndShow(cur, this, font);
1696                 break;
1697         }
1698
1699         case LFUN_FONT_BOLD:
1700         case LFUN_FONT_BOLDSYMBOL: {
1701                 Font font(ignore_font, ignore_language);
1702                 font.fontInfo().setSeries(BOLD_SERIES);
1703                 toggleAndShow(cur, this, font);
1704                 break;
1705         }
1706
1707         case LFUN_FONT_NOUN: {
1708                 Font font(ignore_font, ignore_language);
1709                 font.fontInfo().setNoun(FONT_TOGGLE);
1710                 toggleAndShow(cur, this, font);
1711                 break;
1712         }
1713
1714         case LFUN_FONT_TYPEWRITER: {
1715                 Font font(ignore_font, ignore_language);
1716                 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
1717                 toggleAndShow(cur, this, font);
1718                 break;
1719         }
1720
1721         case LFUN_FONT_SANS: {
1722                 Font font(ignore_font, ignore_language);
1723                 font.fontInfo().setFamily(SANS_FAMILY);
1724                 toggleAndShow(cur, this, font);
1725                 break;
1726         }
1727
1728         case LFUN_FONT_ROMAN: {
1729                 Font font(ignore_font, ignore_language);
1730                 font.fontInfo().setFamily(ROMAN_FAMILY);
1731                 toggleAndShow(cur, this, font);
1732                 break;
1733         }
1734
1735         case LFUN_FONT_DEFAULT: {
1736                 Font font(inherit_font, ignore_language);
1737                 toggleAndShow(cur, this, font);
1738                 break;
1739         }
1740
1741         case LFUN_FONT_STRIKEOUT: {
1742                 Font font(ignore_font, ignore_language);
1743                 font.fontInfo().setStrikeout(FONT_TOGGLE);
1744                 toggleAndShow(cur, this, font);
1745                 break;
1746         }
1747
1748         case LFUN_FONT_UULINE: {
1749                 Font font(ignore_font, ignore_language);
1750                 font.fontInfo().setUuline(FONT_TOGGLE);
1751                 toggleAndShow(cur, this, font);
1752                 break;
1753         }
1754
1755         case LFUN_FONT_UWAVE: {
1756                 Font font(ignore_font, ignore_language);
1757                 font.fontInfo().setUwave(FONT_TOGGLE);
1758                 toggleAndShow(cur, this, font);
1759                 break;
1760         }
1761
1762         case LFUN_FONT_UNDERLINE: {
1763                 Font font(ignore_font, ignore_language);
1764                 font.fontInfo().setUnderbar(FONT_TOGGLE);
1765                 toggleAndShow(cur, this, font);
1766                 break;
1767         }
1768
1769         case LFUN_FONT_SIZE: {
1770                 Font font(ignore_font, ignore_language);
1771                 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
1772                 toggleAndShow(cur, this, font);
1773                 break;
1774         }
1775
1776         case LFUN_LANGUAGE: {
1777                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1778                 if (!lang)
1779                         break;
1780                 Font font(ignore_font, lang);
1781                 toggleAndShow(cur, this, font);
1782                 break;
1783         }
1784
1785         case LFUN_TEXTSTYLE_APPLY:
1786                 toggleAndShow(cur, this, freefont, toggleall);
1787                 cur.message(_("Character set"));
1788                 break;
1789
1790         // Set the freefont using the contents of \param data dispatched from
1791         // the frontends and apply it at the current cursor location.
1792         case LFUN_TEXTSTYLE_UPDATE: {
1793                 Font font;
1794                 bool toggle;
1795                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1796                         freefont = font;
1797                         toggleall = toggle;
1798                         toggleAndShow(cur, this, freefont, toggleall);
1799                         cur.message(_("Character set"));
1800                 } else {
1801                         lyxerr << "Argument not ok";
1802                 }
1803                 break;
1804         }
1805
1806         case LFUN_FINISHED_LEFT:
1807                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
1808                 // We're leaving an inset, going left. If the inset is LTR, we're
1809                 // leaving from the front, so we should not move (remain at --- but
1810                 // not in --- the inset). If the inset is RTL, move left, without
1811                 // entering the inset itself; i.e., move to after the inset.
1812                 if (cur.paragraph().getFontSettings(
1813                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1814                         cursorVisLeft(cur, true);
1815                 break;
1816
1817         case LFUN_FINISHED_RIGHT:
1818                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
1819                 // We're leaving an inset, going right. If the inset is RTL, we're
1820                 // leaving from the front, so we should not move (remain at --- but
1821                 // not in --- the inset). If the inset is LTR, move right, without
1822                 // entering the inset itself; i.e., move to after the inset.
1823                 if (!cur.paragraph().getFontSettings(
1824                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1825                         cursorVisRight(cur, true);
1826                 break;
1827
1828         case LFUN_FINISHED_BACKWARD:
1829                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
1830                 break;
1831
1832         case LFUN_FINISHED_FORWARD:
1833                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
1834                 ++cur.pos();
1835                 cur.setCurrentFont();
1836                 break;
1837
1838         case LFUN_LAYOUT_PARAGRAPH: {
1839                 string data;
1840                 params2string(cur.paragraph(), data);
1841                 data = "show\n" + data;
1842                 bv->showDialog("paragraph", data);
1843                 break;
1844         }
1845
1846         case LFUN_PARAGRAPH_UPDATE: {
1847                 string data;
1848                 params2string(cur.paragraph(), data);
1849
1850                 // Will the paragraph accept changes from the dialog?
1851                 bool const accept =
1852                         cur.inset().allowParagraphCustomization(cur.idx());
1853
1854                 data = "update " + convert<string>(accept) + '\n' + data;
1855                 bv->updateDialog("paragraph", data);
1856                 break;
1857         }
1858
1859         case LFUN_ACCENT_UMLAUT:
1860         case LFUN_ACCENT_CIRCUMFLEX:
1861         case LFUN_ACCENT_GRAVE:
1862         case LFUN_ACCENT_ACUTE:
1863         case LFUN_ACCENT_TILDE:
1864         case LFUN_ACCENT_CEDILLA:
1865         case LFUN_ACCENT_MACRON:
1866         case LFUN_ACCENT_DOT:
1867         case LFUN_ACCENT_UNDERDOT:
1868         case LFUN_ACCENT_UNDERBAR:
1869         case LFUN_ACCENT_CARON:
1870         case LFUN_ACCENT_BREVE:
1871         case LFUN_ACCENT_TIE:
1872         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1873         case LFUN_ACCENT_CIRCLE:
1874         case LFUN_ACCENT_OGONEK:
1875                 theLyXFunc().handleKeyFunc(cmd.action);
1876                 if (!cmd.argument().empty())
1877                         // FIXME: Are all these characters encoded in one byte in utf8?
1878                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1879                 break;
1880
1881         case LFUN_FLOAT_LIST_INSERT: {
1882                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1883                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1884                         cur.recordUndo();
1885                         if (cur.selection())
1886                                 cutSelection(cur, true, false);
1887                         breakParagraph(cur);
1888
1889                         if (cur.lastpos() != 0) {
1890                                 cursorBackward(cur);
1891                                 breakParagraph(cur);
1892                         }
1893
1894                         docstring const laystr = cur.inset().usePlainLayout() ?
1895                                 tclass.plainLayoutName() :
1896                                 tclass.defaultLayoutName();
1897                         setLayout(cur, laystr);
1898                         ParagraphParameters p;
1899                         // FIXME If this call were replaced with one to clearParagraphParams(),
1900                         // then we could get rid of this method altogether.
1901                         setParagraphs(cur, p);
1902                         // FIXME This should be simplified when InsetFloatList takes a
1903                         // Buffer in its constructor.
1904                         InsetFloatList * ifl = new InsetFloatList(to_utf8(cmd.argument()));
1905                         ifl->setBuffer(bv->buffer());
1906                         insertInset(cur, ifl);
1907                         cur.posForward();
1908                 } else {
1909                         lyxerr << "Non-existent float type: "
1910                                << to_utf8(cmd.argument()) << endl;
1911                 }
1912                 break;
1913         }
1914
1915         case LFUN_CHANGE_ACCEPT: {
1916                 acceptOrRejectChanges(cur, ACCEPT);
1917                 break;
1918         }
1919
1920         case LFUN_CHANGE_REJECT: {
1921                 acceptOrRejectChanges(cur, REJECT);
1922                 break;
1923         }
1924
1925         case LFUN_THESAURUS_ENTRY: {
1926                 docstring arg = cmd.argument();
1927                 if (arg.empty()) {
1928                         arg = cur.selectionAsString(false);
1929                         // FIXME
1930                         if (arg.size() > 100 || arg.empty()) {
1931                                 // Get word or selection
1932                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1933                                 arg = cur.selectionAsString(false);
1934                                 arg += " lang=" + from_ascii(cur.getFont().language()->lang());
1935                         }
1936                 }
1937                 bv->showDialog("thesaurus", to_utf8(arg));
1938                 break;
1939         }
1940
1941         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1942                 // Given data, an encoding of the ParagraphParameters
1943                 // generated in the Paragraph dialog, this function sets
1944                 // the current paragraph, or currently selected paragraphs,
1945                 // appropriately.
1946                 // NOTE: This function overrides all existing settings.
1947                 setParagraphs(cur, cmd.argument());
1948                 cur.message(_("Paragraph layout set"));
1949                 break;
1950         }
1951
1952         case LFUN_PARAGRAPH_PARAMS: {
1953                 // Given data, an encoding of the ParagraphParameters as we'd
1954                 // find them in a LyX file, this function modifies the current paragraph,
1955                 // or currently selected paragraphs.
1956                 // NOTE: This function only modifies, and does not override, existing
1957                 // settings.
1958                 setParagraphs(cur, cmd.argument(), true);
1959                 cur.message(_("Paragraph layout set"));
1960                 break;
1961         }
1962
1963         case LFUN_ESCAPE:
1964                 if (cur.selection()) {
1965                         cur.setSelection(false);
1966                 } else {
1967                         cur.undispatched();
1968                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
1969                         // correct, but I'm not 100% sure -- dov, 071019
1970                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1971                 }
1972                 break;
1973
1974         case LFUN_OUTLINE_UP:
1975                 outline(OutlineUp, cur);
1976                 setCursor(cur, cur.pit(), 0);
1977                 cur.buffer()->updateLabels();
1978                 needsUpdate = true;
1979                 break;
1980
1981         case LFUN_OUTLINE_DOWN:
1982                 outline(OutlineDown, cur);
1983                 setCursor(cur, cur.pit(), 0);
1984                 cur.buffer()->updateLabels();
1985                 needsUpdate = true;
1986                 break;
1987
1988         case LFUN_OUTLINE_IN:
1989                 outline(OutlineIn, cur);
1990                 cur.buffer()->updateLabels();
1991                 needsUpdate = true;
1992                 break;
1993
1994         case LFUN_OUTLINE_OUT:
1995                 outline(OutlineOut, cur);
1996                 cur.buffer()->updateLabels();
1997                 needsUpdate = true;
1998                 break;
1999
2000         default:
2001                 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
2002                 cur.undispatched();
2003                 break;
2004         }
2005
2006         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
2007
2008         // FIXME: The cursor flag is reset two lines below
2009         // so we need to check here if some of the LFUN did touch that.
2010         // for now only Text::erase() and Text::backspace() do that.
2011         // The plan is to verify all the LFUNs and then to remove this
2012         // singleParUpdate boolean altogether.
2013         if (cur.result().update() & Update::Force) {
2014                 singleParUpdate = false;
2015                 needsUpdate = true;
2016         }
2017
2018         // FIXME: the following code should go in favor of fine grained
2019         // update flag treatment.
2020         if (singleParUpdate) {
2021                 // Inserting characters does not change par height in general. So, try
2022                 // to update _only_ this paragraph. BufferView will detect if a full
2023                 // metrics update is needed anyway.
2024                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
2025                 return;
2026         }
2027
2028         if (!needsUpdate
2029             && &oldTopSlice.inset() == &cur.inset()
2030             && oldTopSlice.idx() == cur.idx()
2031             && !sel // sel is a backup of cur.selection() at the biginning of the function.
2032             && !cur.selection())
2033                 // FIXME: it would be better if we could just do this
2034                 //
2035                 //if (cur.result().update() != Update::FitCursor)
2036                 //      cur.noUpdate();
2037                 //
2038                 // But some LFUNs do not set Update::FitCursor when needed, so we
2039                 // do it for all. This is not very harmfull as FitCursor will provoke
2040                 // a full redraw only if needed but still, a proper review of all LFUN
2041                 // should be done and this needsUpdate boolean can then be removed.
2042                 cur.updateFlags(Update::FitCursor);
2043         else
2044                 cur.updateFlags(Update::Force | Update::FitCursor);
2045 }
2046
2047
2048 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
2049                         FuncStatus & flag) const
2050 {
2051         LASSERT(cur.text() == this, /**/);
2052
2053         FontInfo const & fontinfo = cur.real_current_font.fontInfo();
2054         bool enable = true;
2055         InsetCode code = NO_CODE;
2056
2057         switch (cmd.action) {
2058
2059         case LFUN_DEPTH_DECREMENT:
2060                 enable = changeDepthAllowed(cur, DEC_DEPTH);
2061                 break;
2062
2063         case LFUN_DEPTH_INCREMENT:
2064                 enable = changeDepthAllowed(cur, INC_DEPTH);
2065                 break;
2066
2067         case LFUN_APPENDIX:
2068                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
2069                 break;
2070
2071         case LFUN_DIALOG_SHOW_NEW_INSET:
2072                 if (cmd.argument() == "bibitem")
2073                         code = BIBITEM_CODE;
2074                 else if (cmd.argument() == "bibtex")
2075                         code = BIBTEX_CODE;
2076                 else if (cmd.argument() == "box")
2077                         code = BOX_CODE;
2078                 else if (cmd.argument() == "branch")
2079                         code = BRANCH_CODE;
2080                 else if (cmd.argument() == "citation")
2081                         code = CITE_CODE;
2082                 else if (cmd.argument() == "ert")
2083                         code = ERT_CODE;
2084                 else if (cmd.argument() == "external")
2085                         code = EXTERNAL_CODE;
2086                 else if (cmd.argument() == "float")
2087                         code = FLOAT_CODE;
2088                 else if (cmd.argument() == "graphics")
2089                         code = GRAPHICS_CODE;
2090                 else if (cmd.argument() == "href")
2091                         code = HYPERLINK_CODE;
2092                 else if (cmd.argument() == "include")
2093                         code = INCLUDE_CODE;
2094                 else if (cmd.argument() == "index")
2095                         code = INDEX_CODE;
2096                 else if (cmd.argument() == "index_print")
2097                         code = INDEX_PRINT_CODE;
2098                 else if (cmd.argument() == "nomenclature")
2099                         code = NOMENCL_CODE;
2100                 else if (cmd.argument() == "label")
2101                         code = LABEL_CODE;
2102                 else if (cmd.argument() == "note")
2103                         code = NOTE_CODE;
2104                 else if (cmd.argument() == "phantom")
2105                         code = PHANTOM_CODE;
2106                 else if (cmd.argument() == "ref")
2107                         code = REF_CODE;
2108                 else if (cmd.argument() == "space")
2109                         code = SPACE_CODE;
2110                 else if (cmd.argument() == "toc")
2111                         code = TOC_CODE;
2112                 else if (cmd.argument() == "vspace")
2113                         code = VSPACE_CODE;
2114                 else if (cmd.argument() == "wrap")
2115                         code = WRAP_CODE;
2116                 else if (cmd.argument() == "listings")
2117                         code = LISTINGS_CODE;
2118                 break;
2119
2120         case LFUN_ERT_INSERT:
2121                 code = ERT_CODE;
2122                 break;
2123         case LFUN_LISTING_INSERT:
2124                 code = LISTINGS_CODE;
2125                 // not allowed in description items
2126                 enable = !inDescriptionItem(cur);
2127                 break;
2128         case LFUN_FOOTNOTE_INSERT:
2129                 code = FOOT_CODE;
2130                 break;
2131         case LFUN_TABULAR_INSERT:
2132                 code = TABULAR_CODE;
2133                 break;
2134         case LFUN_MARGINALNOTE_INSERT:
2135                 code = MARGIN_CODE;
2136                 break;
2137         case LFUN_FLOAT_INSERT:
2138         case LFUN_FLOAT_WIDE_INSERT:
2139                 code = FLOAT_CODE;
2140                 // not allowed in description items
2141                 enable = !inDescriptionItem(cur);
2142                 break;
2143         case LFUN_WRAP_INSERT:
2144                 code = WRAP_CODE;
2145                 // not allowed in description items
2146                 enable = !inDescriptionItem(cur);
2147                 break;
2148         case LFUN_FLOAT_LIST_INSERT:
2149                 code = FLOAT_LIST_CODE;
2150                 break;
2151         case LFUN_CAPTION_INSERT:
2152                 code = CAPTION_CODE;
2153                 // not allowed in description items
2154                 enable = !inDescriptionItem(cur);
2155                 break;
2156         case LFUN_NOTE_INSERT:
2157                 code = NOTE_CODE;
2158                 // in commands (sections etc.) and description items,
2159                 // only Notes are allowed
2160                 enable = (cmd.argument().empty() || cmd.getArg(0) == "Note" ||
2161                           (!cur.paragraph().layout().isCommand()
2162                            && !inDescriptionItem(cur)));
2163                 break;
2164         case LFUN_FLEX_INSERT: {
2165                 code = FLEX_CODE;
2166                 string s = cmd.getArg(0);
2167                 InsetLayout il =
2168                         cur.buffer()->params().documentClass().insetLayout(from_utf8(s));
2169                 if (il.lyxtype() != InsetLayout::CHARSTYLE &&
2170                     il.lyxtype() != InsetLayout::CUSTOM &&
2171                     il.lyxtype() != InsetLayout::ELEMENT &&
2172                     il.lyxtype ()!= InsetLayout::STANDARD)
2173                         enable = false;
2174                 break;
2175                 }
2176         case LFUN_BOX_INSERT:
2177                 code = BOX_CODE;
2178                 break;
2179         case LFUN_BRANCH_INSERT:
2180                 code = BRANCH_CODE;
2181                 if (cur.buffer()->masterBuffer()->params().branchlist().empty()
2182                     && cur.buffer()->params().branchlist().empty())
2183                         enable = false;
2184                 break;
2185         case LFUN_PHANTOM_INSERT:
2186                 code = PHANTOM_CODE;
2187                 break;
2188         case LFUN_LABEL_INSERT:
2189                 code = LABEL_CODE;
2190                 break;
2191         case LFUN_INFO_INSERT:
2192                 code = INFO_CODE;
2193                 break;
2194         case LFUN_OPTIONAL_INSERT:
2195                 code = OPTARG_CODE;
2196                 enable = cur.paragraph().insetList().count(OPTARG_CODE)
2197                         < cur.paragraph().layout().optionalargs;
2198                 break;
2199         case LFUN_INDEX_INSERT:
2200                 code = INDEX_CODE;
2201                 break;
2202         case LFUN_INDEX_PRINT:
2203                 code = INDEX_PRINT_CODE;
2204                 break;
2205         case LFUN_NOMENCL_INSERT:
2206                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2207                         enable = false;
2208                         break;
2209                 }
2210                 code = NOMENCL_CODE;
2211                 break;
2212         case LFUN_NOMENCL_PRINT:
2213                 code = NOMENCL_PRINT_CODE;
2214                 break;
2215         case LFUN_TOC_INSERT:
2216                 code = TOC_CODE;
2217                 break;
2218         case LFUN_HYPERLINK_INSERT:
2219                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2220                         enable = false;
2221                         break;
2222                 }
2223                 code = HYPERLINK_CODE;
2224                 break;
2225         case LFUN_QUOTE_INSERT:
2226                 // always allow this, since we will inset a raw quote
2227                 // if an inset is not allowed.
2228                 break;
2229         case LFUN_SPECIALCHAR_INSERT:
2230                 code = SPECIALCHAR_CODE;
2231                 break;
2232         case LFUN_SPACE_INSERT:
2233                 // slight hack: we know this is allowed in math mode
2234                 if (cur.inTexted())
2235                         code = SPACE_CODE;
2236                 break;
2237
2238         case LFUN_INSET_MODIFY:
2239                 // We need to disable this, because we may get called for a
2240                 // tabular cell via
2241                 // InsetTabular::getStatus() -> InsetText::getStatus()
2242                 // and we don't handle LFUN_INSET_MODIFY.
2243                 enable = false;
2244                 break;
2245
2246         case LFUN_FONT_EMPH:
2247                 flag.setOnOff(fontinfo.emph() == FONT_ON);
2248                 break;
2249
2250         case LFUN_FONT_ITAL:
2251                 flag.setOnOff(fontinfo.shape() == ITALIC_SHAPE);
2252                 break;
2253
2254         case LFUN_FONT_NOUN:
2255                 flag.setOnOff(fontinfo.noun() == FONT_ON);
2256                 break;
2257
2258         case LFUN_FONT_BOLD:
2259         case LFUN_FONT_BOLDSYMBOL:
2260                 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
2261                 break;
2262
2263         case LFUN_FONT_SANS:
2264                 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
2265                 break;
2266
2267         case LFUN_FONT_ROMAN:
2268                 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
2269                 break;
2270
2271         case LFUN_FONT_TYPEWRITER:
2272                 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2273                 break;
2274
2275         case LFUN_CUT:
2276         case LFUN_COPY:
2277                 enable = cur.selection();
2278                 break;
2279
2280         case LFUN_PASTE: {
2281                 if (cmd.argument().empty()) {
2282                         if (theClipboard().isInternal())
2283                                 enable = cap::numberOfSelections() > 0;
2284                         else
2285                                 enable = !theClipboard().empty();
2286                         break;
2287                 }
2288
2289                 // we have an argument
2290                 string const arg = to_utf8(cmd.argument());
2291                 if (isStrUnsignedInt(arg)) {
2292                         // it's a number and therefore means the internal stack
2293                         unsigned int n = convert<unsigned int>(arg);
2294                         enable = cap::numberOfSelections() > n;
2295                         break;
2296                 }
2297
2298                 // explicit graphics type?
2299                 Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
2300                 if ((arg == "pdf" && (type = Clipboard::PdfGraphicsType))
2301                           || (arg == "png" && (type = Clipboard::PngGraphicsType))
2302                           || (arg == "jpeg" && (type = Clipboard::JpegGraphicsType))
2303                           || (arg == "linkback" &&  (type = Clipboard::LinkBackGraphicsType))
2304                           || (arg == "emf" &&  (type = Clipboard::EmfGraphicsType))
2305                           || (arg == "wmf" &&  (type = Clipboard::WmfGraphicsType))) {
2306                         enable = theClipboard().hasGraphicsContents(type);
2307                         break;
2308                 }
2309
2310                 // unknown argument
2311                 enable = false;
2312                 break;
2313          }
2314
2315         case LFUN_CLIPBOARD_PASTE:
2316                 enable = !theClipboard().empty();
2317                 break;
2318
2319         case LFUN_PRIMARY_SELECTION_PASTE:
2320                 enable = cur.selection() || !theSelection().empty();
2321                 break;
2322
2323         case LFUN_SELECTION_PASTE:
2324                 enable = cap::selection();
2325                 break;
2326
2327         case LFUN_PARAGRAPH_MOVE_UP:
2328                 enable = cur.pit() > 0 && !cur.selection();
2329                 break;
2330
2331         case LFUN_PARAGRAPH_MOVE_DOWN:
2332                 enable = cur.pit() < cur.lastpit() && !cur.selection();
2333                 break;
2334
2335         case LFUN_INSET_DISSOLVE:
2336                 if (!cmd.argument().empty()) {
2337                         InsetLayout const & il = cur.inset().getLayout(cur.buffer()->params());
2338                         InsetLayout::InsetLyXType const type =
2339                                         translateLyXType(to_utf8(cmd.argument()));
2340                         enable = cur.inset().lyxCode() == FLEX_CODE
2341                                  && il.lyxtype() == type;
2342                 } else {
2343                         enable = ((!isMainText(cur.bv().buffer())
2344                                       && cur.inset().nargs() == 1)
2345                                   || (cur.nextInset()
2346                                       && cur.nextInset()->nargs() == 1));
2347                 }
2348                 break;
2349
2350         case LFUN_CHANGE_ACCEPT:
2351         case LFUN_CHANGE_REJECT:
2352                 // In principle, these LFUNs should only be enabled if there
2353                 // is a change at the current position/in the current selection.
2354                 // However, without proper optimizations, this will inevitably
2355                 // result in unacceptable performance - just imagine a user who
2356                 // wants to select the complete content of a long document.
2357                 if (!cur.selection()) {
2358                         Change const & change = cur.paragraph().lookupChange(cur.pos());
2359                         enable = change.changed();
2360                 } else
2361                         // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2362                         // for selections.
2363                         enable = true;
2364                 break;
2365
2366         case LFUN_OUTLINE_UP:
2367         case LFUN_OUTLINE_DOWN:
2368         case LFUN_OUTLINE_IN:
2369         case LFUN_OUTLINE_OUT:
2370                 // FIXME: LyX is not ready for outlining within inset.
2371                 enable = isMainText(cur.bv().buffer())
2372                         && cur.paragraph().layout().toclevel != Layout::NOT_IN_TOC;
2373                 break;
2374
2375         case LFUN_NEWLINE_INSERT:
2376                 // LaTeX restrictions (labels or empty par)
2377                 enable = (cur.pos() > cur.paragraph().beginOfBody());
2378                 break;
2379
2380         case LFUN_SET_GRAPHICS_GROUP: {
2381                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
2382                 if (!ins)
2383                         enable = false;
2384                 else
2385                         flag.setOnOff(to_utf8(cmd.argument()) == ins->getParams().groupId);
2386                 break;
2387         }
2388
2389         case LFUN_NEWPAGE_INSERT:
2390                 // not allowed in description items
2391                 enable = !inDescriptionItem(cur);
2392                 break;
2393
2394         case LFUN_MATH_INSERT:
2395         case LFUN_MATH_MATRIX:
2396         case LFUN_MATH_DELIM:
2397         case LFUN_MATH_BIGDELIM:
2398                 // not allowed in ERT, for example.
2399                 enable = cur.inset().insetAllowed(MATH_CODE);
2400                 break;
2401
2402         case LFUN_DATE_INSERT: {
2403                 string const format = cmd.argument().empty()
2404                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
2405                 enable = support::os::is_valid_strftime(format);
2406                 break;
2407         }
2408
2409         case LFUN_WORD_DELETE_FORWARD:
2410         case LFUN_WORD_DELETE_BACKWARD:
2411         case LFUN_LINE_DELETE:
2412         case LFUN_WORD_FORWARD:
2413         case LFUN_WORD_BACKWARD:
2414         case LFUN_WORD_RIGHT:
2415         case LFUN_WORD_LEFT:
2416         case LFUN_CHAR_FORWARD:
2417         case LFUN_CHAR_FORWARD_SELECT:
2418         case LFUN_CHAR_BACKWARD:
2419         case LFUN_CHAR_BACKWARD_SELECT:
2420         case LFUN_CHAR_LEFT:
2421         case LFUN_CHAR_LEFT_SELECT:
2422         case LFUN_CHAR_RIGHT:
2423         case LFUN_CHAR_RIGHT_SELECT:
2424         case LFUN_UP:
2425         case LFUN_UP_SELECT:
2426         case LFUN_DOWN:
2427         case LFUN_DOWN_SELECT:
2428         case LFUN_PARAGRAPH_UP_SELECT:
2429         case LFUN_PARAGRAPH_DOWN_SELECT:
2430         case LFUN_LINE_BEGIN_SELECT:
2431         case LFUN_LINE_END_SELECT:
2432         case LFUN_WORD_FORWARD_SELECT:
2433         case LFUN_WORD_BACKWARD_SELECT:
2434         case LFUN_WORD_RIGHT_SELECT:
2435         case LFUN_WORD_LEFT_SELECT:
2436         case LFUN_WORD_SELECT:
2437         case LFUN_SECTION_SELECT:
2438         case LFUN_PARAGRAPH_UP:
2439         case LFUN_PARAGRAPH_DOWN:
2440         case LFUN_LINE_BEGIN:
2441         case LFUN_LINE_END:
2442         case LFUN_CHAR_DELETE_FORWARD:
2443         case LFUN_CHAR_DELETE_BACKWARD:
2444         case LFUN_BREAK_PARAGRAPH:
2445         case LFUN_PARAGRAPH_SPACING:
2446         case LFUN_INSET_INSERT:
2447         case LFUN_WORD_UPCASE:
2448         case LFUN_WORD_LOWCASE:
2449         case LFUN_WORD_CAPITALIZE:
2450         case LFUN_CHARS_TRANSPOSE:
2451         case LFUN_SERVER_GET_XY:
2452         case LFUN_SERVER_SET_XY:
2453         case LFUN_SERVER_GET_LAYOUT:
2454         case LFUN_LAYOUT:
2455         case LFUN_SELF_INSERT:
2456         case LFUN_LINE_INSERT:
2457         case LFUN_MATH_DISPLAY:
2458         case LFUN_MATH_MODE:
2459         case LFUN_MATH_MACRO:
2460         case LFUN_MATH_SUBSCRIPT:
2461         case LFUN_MATH_SUPERSCRIPT:
2462         case LFUN_FONT_DEFAULT:
2463         case LFUN_FONT_UNDERLINE:
2464         case LFUN_FONT_STRIKEOUT:
2465         case LFUN_FONT_UULINE:
2466         case LFUN_FONT_UWAVE:
2467         case LFUN_FONT_SIZE:
2468         case LFUN_LANGUAGE:
2469         case LFUN_TEXTSTYLE_APPLY:
2470         case LFUN_TEXTSTYLE_UPDATE:
2471         case LFUN_LAYOUT_PARAGRAPH:
2472         case LFUN_PARAGRAPH_UPDATE:
2473         case LFUN_ACCENT_UMLAUT:
2474         case LFUN_ACCENT_CIRCUMFLEX:
2475         case LFUN_ACCENT_GRAVE:
2476         case LFUN_ACCENT_ACUTE:
2477         case LFUN_ACCENT_TILDE:
2478         case LFUN_ACCENT_CEDILLA:
2479         case LFUN_ACCENT_MACRON:
2480         case LFUN_ACCENT_DOT:
2481         case LFUN_ACCENT_UNDERDOT:
2482         case LFUN_ACCENT_UNDERBAR:
2483         case LFUN_ACCENT_CARON:
2484         case LFUN_ACCENT_BREVE:
2485         case LFUN_ACCENT_TIE:
2486         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2487         case LFUN_ACCENT_CIRCLE:
2488         case LFUN_ACCENT_OGONEK:
2489         case LFUN_THESAURUS_ENTRY:
2490         case LFUN_PARAGRAPH_PARAMS_APPLY:
2491         case LFUN_PARAGRAPH_PARAMS:
2492         case LFUN_ESCAPE:
2493         case LFUN_BUFFER_BEGIN:
2494         case LFUN_BUFFER_END:
2495         case LFUN_BUFFER_BEGIN_SELECT:
2496         case LFUN_BUFFER_END_SELECT:
2497         case LFUN_INSET_BEGIN:
2498         case LFUN_INSET_END:
2499         case LFUN_INSET_BEGIN_SELECT:
2500         case LFUN_INSET_END_SELECT:
2501         case LFUN_UNICODE_INSERT:
2502                 // these are handled in our dispatch()
2503                 enable = true;
2504                 break;
2505
2506         default:
2507                 return false;
2508         }
2509
2510         if (code != NO_CODE
2511             && (cur.empty() || !cur.inset().insetAllowed(code)))
2512                 enable = false;
2513
2514         flag.setEnabled(enable);
2515         return true;
2516 }
2517
2518
2519 void Text::pasteString(Cursor & cur, docstring const & clip,
2520                 bool asParagraphs)
2521 {
2522         cur.clearSelection();
2523         if (!clip.empty()) {
2524                 cur.recordUndo();
2525                 if (asParagraphs)
2526                         insertStringAsParagraphs(cur, clip);
2527                 else
2528                         insertStringAsLines(cur, clip);
2529         }
2530 }
2531
2532
2533 // FIXME: an item inset would make things much easier.
2534 bool Text::inDescriptionItem(Cursor & cur) const
2535 {
2536         Paragraph & par = cur.paragraph();
2537         pos_type const pos = cur.pos();
2538         pos_type const body_pos = par.beginOfBody();
2539
2540         if (par.layout().latextype != LATEX_LIST_ENVIRONMENT
2541             && (par.layout().latextype != LATEX_ITEM_ENVIRONMENT
2542                 || par.layout().margintype != MARGIN_FIRST_DYNAMIC))
2543                 return false;
2544
2545         return (pos < body_pos
2546                 || (pos == body_pos
2547                     && (pos == 0 || par.getChar(pos - 1) != ' ')));
2548 }
2549
2550 } // namespace lyx