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 static void dragMove(Cursor & cur, int moveid, int movetoid)
 301 {
 302         // Create pointers to buffers
 303         Buffer & buf_move = *cur.buffer();
 304         DocIterator dit_move = buf_move.getParFromID(moveid);
 305         DocIterator dit_dest = buf_move.getParFromID(movetoid);
 306
 307         pit_type & pit_move = dit_move.pit();
 308         pit_type & pit_dest = dit_dest.pit();
 309         ParagraphList & pars = dit_move.text()->paragraphs();
 310
 311         // Create references to the paragraphs to be moved
 312         ParagraphList::iterator const bgn = pars.begin();
 313         ParagraphList::iterator dest_start = boost::next(bgn, pit_dest);
 314
 315         // The first paragraph of the area to be copied:
 316         ParagraphList::iterator start = boost::next(bgn, pit_move);
 317         // The final paragraph of area to be copied:
 318         ParagraphList::iterator finish = start;
 319         ParagraphList::iterator const end = pars.end();
 320
 321         // Move out (down) from this section header
 322         if (finish != end)
 323                 ++finish;
 324
 325         // Seek the one (on same level) below
 326         int const thistoclevel = start->layout().toclevel;
 327         for (; finish != end; ++finish) {
 328                 int const toclevel = finish->layout().toclevel;
 329                 if (toclevel != Layout::NOT_IN_TOC
 330                     && toclevel <= thistoclevel)
 331                         break;
 332         }
 333
 334         if (start == pars.begin() || start == dest_start)
 335                 // Nothing to move
 336                 return;
 337
 338         pars.insert(dest_start, start, finish);
 339         pars.erase(start, finish);
 340
 341         // FIXME: This only really needs doing for the newly
 342         // introduced paragraphs. Something like:
 343         //      pit_type const numpars = distance(start, finish);
 344         //      start = boost::next(bgn, pit);
 345         //      finish = boost::next(start, numpars);
 346         //      for (; start != finish; ++start)
 347         //              start->setBuffer(buf);
 348         // But while this seems to work, it is kind of fragile.
 349         buf_move.inset().setBuffer(buf_move);
 350 }
 351
 352
 353 /// the type of outline operation
 354 enum OutlineOp {
 355         OutlineUp, // Move this header with text down
 356         OutlineDown,   // Move this header with text up
 357         OutlineIn, // Make this header deeper
 358         OutlineOut // Make this header shallower
 359 };
 360
 361
 362 static void outline(OutlineOp mode, Cursor & cur)
 363 {
 364         Buffer & buf = *cur.buffer();
 365         pit_type & pit = cur.pit();
 366         ParagraphList & pars = buf.text().paragraphs();
 367         ParagraphList::iterator const bgn = pars.begin();
 368         // The first paragraph of the area to be copied:
 369         ParagraphList::iterator start = boost::next(bgn, pit);
 370         // The final paragraph of area to be copied:
 371         ParagraphList::iterator finish = start;
 372         ParagraphList::iterator const end = pars.end();
 373
 374         DocumentClass const & tc = buf.params().documentClass();
 375
 376         int const thistoclevel = start->layout().toclevel;
 377         int toclevel;
 378
 379         // Move out (down) from this section header
 380         if (finish != end)
 381                 ++finish;
 382
 383         // Seek the one (on same level) below
 384         for (; finish != end; ++finish) {
 385                 toclevel = finish->layout().toclevel;
 386                 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 387                         break;
 388         }
 389
 390         // Do we need to set insets' buffer_ members, because we copied
 391         // some stuff? We'll assume we do and reset it otherwise.
 392         bool set_buffers = true;
 393
 394         switch (mode) {
 395                 case OutlineUp: {
 396                         if (start == pars.begin())
 397                                 // Nothing to move.
 398                                 return;
 399                         ParagraphList::iterator dest = start;
 400                         // Move out (up) from this header
 401                         if (dest == bgn)
 402                                 return;
 403                         // Search previous same-level header above
 404                         do {
 405                                 --dest;
 406                                 toclevel = dest->layout().toclevel;
 407                         } while(dest != bgn
 408                                 && (toclevel == Layout::NOT_IN_TOC
 409                                     || toclevel > thistoclevel));
 410                         // Not found; do nothing
 411                         if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
 412                                 return;
 413                         pit_type const newpit = distance(bgn, dest);
 414                         pit_type const len = distance(start, finish);
 415                         pit_type const deletepit = pit + len;
 416                         buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
 417                         pars.insert(dest, start, finish);
 418                         start = boost::next(pars.begin(), deletepit);
 419                         pit = newpit;
 420                         pars.erase(start, finish);
 421                         break;
 422                 }
 423                 case OutlineDown: {
 424                         if (finish == end)
 425                                 // Nothing to move.
 426                                 return;
 427                         // Go one down from *this* header:
 428                         ParagraphList::iterator dest = boost::next(finish, 1);
 429                         // Go further down to find header to insert in front of:
 430                         for (; dest != end; ++dest) {
 431                                 toclevel = dest->layout().toclevel;
 432                                 if (toclevel != Layout::NOT_IN_TOC
 433                                       && toclevel <= thistoclevel)
 434                                         break;
 435                         }
 436                         // One such was found:
 437                         pit_type newpit = distance(bgn, dest);
 438                         pit_type const len = distance(start, finish);
 439                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
 440                         pars.insert(dest, start, finish);
 441                         start = boost::next(bgn, pit);
 442                         pit = newpit - len;
 443                         pars.erase(start, finish);
 444                         break;
 445                 }
 446                 case OutlineIn: {
 447                         pit_type const len = distance(start, finish);
 448                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 449                         for (; start != finish; ++start) {
 450                                 toclevel = start->layout().toclevel;
 451                                 if (toclevel == Layout::NOT_IN_TOC)
 452                                         continue;
 453                                 DocumentClass::const_iterator lit = tc.begin();
 454                                 DocumentClass::const_iterator len = tc.end();
 455                                 for (; lit != len; ++lit) {
 456                                         if (lit->toclevel == toclevel + 1 &&
 457                                             start->layout().labeltype == lit->labeltype) {
 458                                                 start->setLayout(*lit);
 459                                                 break;
 460                                         }
 461                                 }
 462                         }
 463                         set_buffers = false;
 464                         break;
 465                 }
 466                 case OutlineOut: {
 467                         pit_type const len = distance(start, finish);
 468                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 469                         for (; start != finish; ++start) {
 470                                 toclevel = start->layout().toclevel;
 471                                 if (toclevel == Layout::NOT_IN_TOC)
 472                                         continue;
 473                                 DocumentClass::const_iterator lit = tc.begin();
 474                                 DocumentClass::const_iterator len = tc.end();
 475                                 for (; lit != len; ++lit) {
 476                                         if (lit->toclevel == toclevel - 1 &&
 477                                                 start->layout().labeltype == lit->labeltype) {
 478                                                         start->setLayout(*lit);
 479                                                         break;
 480                                         }
 481                                 }
 482                         }
 483                         set_buffers = false;
 484                         break;
 485                 }
 486         }
 487         if (set_buffers)
 488                 // FIXME This only really needs doing for the newly introduced
 489                 // paragraphs. Something like:
 490                 //      pit_type const numpars = distance(start, finish);
 491                 //      start = boost::next(bgn, pit);
 492                 //      finish = boost::next(start, numpars);
 493                 //      for (; start != finish; ++start)
 494                 //              start->setBuffer(buf);
 495                 // But while this seems to work, it is kind of fragile.
 496                 buf.inset().setBuffer(buf);
 497 }
 498
 499
 500 void Text::number(Cursor & cur)
 501 {
 502         FontInfo font = ignore_font;
 503         font.setNumber(FONT_TOGGLE);
 504         toggleAndShow(cur, this, Font(font, ignore_language));
 505 }
 506
 507
 508 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 509 {
 510         return par.isRTL(buffer.params());
 511 }
 512
 513
 514 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 515 {
 516         LYXERR(Debug::ACTION, "Text::dispatch: cmd: " << cmd);
 517
 518         BufferView * bv = &cur.bv();
 519         TextMetrics * tm = &bv->textMetrics(this);
 520         if (!tm->contains(cur.pit())) {
 521                 lyx::dispatch(FuncRequest(LFUN_SCREEN_SHOW_CURSOR));
 522                 tm = &bv->textMetrics(this);
 523         }
 524
 525         // FIXME: We use the update flag to indicates wether a singlePar or a
 526         // full screen update is needed. We reset it here but shall we restore it
 527         // at the end?
 528         cur.noUpdate();
 529
 530         LASSERT(cur.text() == this, /**/);
 531         CursorSlice oldTopSlice = cur.top();
 532         bool oldBoundary = cur.boundary();
 533         bool sel = cur.selection();
 534         // Signals that, even if needsUpdate == false, an update of the
 535         // cursor paragraph is required
 536         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 537                 LyXAction::SingleParUpdate);
 538         // Signals that a full-screen update is required
 539         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 540                 LyXAction::NoUpdate) || singleParUpdate);
 541
 542         switch (cmd.action) {
 543
 544         case LFUN_PARAGRAPH_MOVE_DOWN: {
 545                 pit_type const pit = cur.pit();
 546                 recUndo(cur, pit, pit + 1);
 547                 cur.finishUndo();
 548                 swap(pars_[pit], pars_[pit + 1]);
 549                 cur.buffer()->updateLabels();
 550                 needsUpdate = true;
 551                 ++cur.pit();
 552                 break;
 553         }
 554
 555         case LFUN_PARAGRAPH_MOVE_UP: {
 556                 pit_type const pit = cur.pit();
 557                 recUndo(cur, pit - 1, pit);
 558                 cur.finishUndo();
 559                 swap(pars_[pit], pars_[pit - 1]);
 560                 cur.buffer()->updateLabels();
 561                 --cur.pit();
 562                 needsUpdate = true;
 563                 break;
 564         }
 565
 566         case LFUN_APPENDIX: {
 567                 Paragraph & par = cur.paragraph();
 568                 bool start = !par.params().startOfAppendix();
 569
 570 // FIXME: The code below only makes sense at top level.
 571 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 572                 // ensure that we have only one start_of_appendix in this document
 573                 // FIXME: this don't work for multipart document!
 574                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 575                         if (pars_[tmp].params().startOfAppendix()) {
 576                                 recUndo(cur, tmp);
 577                                 pars_[tmp].params().startOfAppendix(false);
 578                                 break;
 579                         }
 580                 }
 581
 582                 cur.recordUndo();
 583                 par.params().startOfAppendix(start);
 584
 585                 // we can set the refreshing parameters now
 586                 cur.buffer()->updateLabels();
 587                 break;
 588         }
 589
 590         case LFUN_WORD_DELETE_FORWARD:
 591                 if (cur.selection())
 592                         cutSelection(cur, true, false);
 593                 else
 594                         deleteWordForward(cur);
 595                 finishChange(cur, false);
 596                 break;
 597
 598         case LFUN_WORD_DELETE_BACKWARD:
 599                 if (cur.selection())
 600                         cutSelection(cur, true, false);
 601                 else
 602                         deleteWordBackward(cur);
 603                 finishChange(cur, false);
 604                 break;
 605
 606         case LFUN_LINE_DELETE:
 607                 if (cur.selection())
 608                         cutSelection(cur, true, false);
 609                 else
 610                         tm->deleteLineForward(cur);
 611                 finishChange(cur, false);
 612                 break;
 613
 614         case LFUN_BUFFER_BEGIN:
 615         case LFUN_BUFFER_BEGIN_SELECT:
 616                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 617                 if (cur.depth() == 1)
 618                         needsUpdate |= cursorTop(cur);
 619                 else
 620                         cur.undispatched();
 621                 cur.updateFlags(Update::FitCursor);
 622                 break;
 623
 624         case LFUN_BUFFER_END:
 625         case LFUN_BUFFER_END_SELECT:
 626                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 627                 if (cur.depth() == 1)
 628                         needsUpdate |= cursorBottom(cur);
 629                 else
 630                         cur.undispatched();
 631                 cur.updateFlags(Update::FitCursor);
 632                 break;
 633
 634         case LFUN_INSET_BEGIN:
 635         case LFUN_INSET_BEGIN_SELECT:
 636                 needsUpdate |= cur.selHandle(cmd.action == LFUN_INSET_BEGIN_SELECT);
 637                 if (cur.depth() == 1 || cur.pos() > 0)
 638                         needsUpdate |= cursorTop(cur);
 639                 else
 640                         cur.undispatched();
 641                 cur.updateFlags(Update::FitCursor);
 642                 break;
 643
 644         case LFUN_INSET_END:
 645         case LFUN_INSET_END_SELECT:
 646                 needsUpdate |= cur.selHandle(cmd.action == LFUN_INSET_END_SELECT);
 647                 if (cur.depth() == 1 || cur.pos() < cur.lastpos())
 648                         needsUpdate |= cursorBottom(cur);
 649                 else
 650                         cur.undispatched();
 651                 cur.updateFlags(Update::FitCursor);
 652                 break;
 653
 654         case LFUN_CHAR_FORWARD:
 655         case LFUN_CHAR_FORWARD_SELECT:
 656                 //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
 657                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 658                 needsUpdate |= cursorForward(cur);
 659
 660                 if (!needsUpdate && oldTopSlice == cur.top()
 661                                 && cur.boundary() == oldBoundary) {
 662                         cur.undispatched();
 663                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 664
 665                         // we will probably be moving out the inset, so we should execute
 666                         // the depm-mechanism, but only when the cursor has a place to
 667                         // go outside this inset, i.e. in a slice above.
 668                         if (cur.depth() > 1 && cur.pos() == cur.lastpos()
 669                                   && cur.pit() == cur.lastpit()) {
 670                                 // The cursor hasn't changed yet. To give the
 671                                 // DEPM the possibility of doing something we must
 672                                 // provide it with two different cursors.
 673                                 Cursor dummy = cur;
 674                                 dummy.pos() = dummy.pit() = 0;
 675                                 cur.bv().checkDepm(dummy, cur);
 676                         }
 677                 }
 678                 break;
 679
 680         case LFUN_CHAR_BACKWARD:
 681         case LFUN_CHAR_BACKWARD_SELECT:
 682                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 683                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 684                 needsUpdate |= cursorBackward(cur);
 685
 686                 if (!needsUpdate && oldTopSlice == cur.top()
 687                         && cur.boundary() == oldBoundary) {
 688                         cur.undispatched();
 689                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 690
 691                         // we will probably be moving out the inset, so we should execute
 692                         // the depm-mechanism, but only when the cursor has a place to
 693                         // go outside this inset, i.e. in a slice above.
 694                         if (cur.depth() > 1 && cur.pos() == 0 && cur.pit() == 0) {
 695                                 // The cursor hasn't changed yet. To give the
 696                                 // DEPM the possibility of doing something we must
 697                                 // provide it with two different cursors.
 698                                 Cursor dummy = cur;
 699                                 dummy.pos() = cur.lastpos();
 700                                 dummy.pit() = cur.lastpit();
 701                                 cur.bv().checkDepm(dummy, cur);
 702                         }
 703                 }
 704                 break;
 705
 706         case LFUN_CHAR_LEFT:
 707         case LFUN_CHAR_LEFT_SELECT:
 708                 if (lyxrc.visual_cursor) {
 709                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_LEFT_SELECT);
 710                         needsUpdate |= cursorVisLeft(cur);
 711                         if (!needsUpdate && oldTopSlice == cur.top()
 712                                         && cur.boundary() == oldBoundary) {
 713                                 cur.undispatched();
 714                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 715                         }
 716                 } else {
 717                         if (reverseDirectionNeeded(cur)) {
 718                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 719                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 720                         } else {
 721                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 722                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 723                         }
 724                         dispatch(cur, cmd);
 725                         return;
 726                 }
 727                 break;
 728
 729         case LFUN_CHAR_RIGHT:
 730         case LFUN_CHAR_RIGHT_SELECT:
 731                 if (lyxrc.visual_cursor) {
 732                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_RIGHT_SELECT);
 733                         needsUpdate |= cursorVisRight(cur);
 734                         if (!needsUpdate && oldTopSlice == cur.top()
 735                                         && cur.boundary() == oldBoundary) {
 736                                 cur.undispatched();
 737                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 738                         }
 739                 } else {
 740                         if (reverseDirectionNeeded(cur)) {
 741                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 742                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 743                         } else {
 744                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 745                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 746                         }
 747                         dispatch(cur, cmd);
 748                         return;
 749                 }
 750                 break;
 751
 752
 753         case LFUN_UP_SELECT:
 754         case LFUN_DOWN_SELECT:
 755         case LFUN_UP:
 756         case LFUN_DOWN: {
 757                 // stop/start the selection
 758                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 759                         cmd.action == LFUN_UP_SELECT;
 760
 761                 // move cursor up/down
 762                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 763                 bool const atFirstOrLastRow = cur.atFirstOrLastRow(up);
 764
 765                 if (!atFirstOrLastRow) {
 766                         needsUpdate |= cur.selHandle(select);
 767                         cur.selHandle(select);
 768                         cur.upDownInText(up, needsUpdate);
 769                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 770                 } else {
 771                         // if the cursor cannot be moved up or down do not remove
 772                         // the selection right now, but wait for the next dispatch.
 773                         if (select)
 774                                 needsUpdate |= cur.selHandle(select);
 775                         cur.upDownInText(up, needsUpdate);
 776                         cur.undispatched();
 777                 }
 778
 779                 break;
 780         }
 781
 782         case LFUN_PARAGRAPH_UP:
 783         case LFUN_PARAGRAPH_UP_SELECT:
 784                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 785                 needsUpdate |= cursorUpParagraph(cur);
 786                 break;
 787
 788         case LFUN_PARAGRAPH_DOWN:
 789         case LFUN_PARAGRAPH_DOWN_SELECT:
 790                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 791                 needsUpdate |= cursorDownParagraph(cur);
 792                 break;
 793
 794         case LFUN_LINE_BEGIN:
 795         case LFUN_LINE_BEGIN_SELECT:
 796                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 797                 needsUpdate |= tm->cursorHome(cur);
 798                 break;
 799
 800         case LFUN_LINE_END:
 801         case LFUN_LINE_END_SELECT:
 802                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 803                 needsUpdate |= tm->cursorEnd(cur);
 804                 break;
 805
 806         case LFUN_SECTION_SELECT: {
 807                 Buffer const & buf = *cur.buffer();
 808                 pit_type const pit = cur.pit();
 809                 ParagraphList & pars = buf.text().paragraphs();
 810                 ParagraphList::iterator bgn = pars.begin();
 811                 // The first paragraph of the area to be selected:
 812                 ParagraphList::iterator start = boost::next(bgn, pit);
 813                 // The final paragraph of area to be selected:
 814                 ParagraphList::iterator finish = start;
 815                 ParagraphList::iterator end = pars.end();
 816
 817                 int const thistoclevel = start->layout().toclevel;
 818                 if (thistoclevel == Layout::NOT_IN_TOC)
 819                         break;
 820
 821                 cur.pos() = 0;
 822                 Cursor const old_cur = cur;
 823                 needsUpdate |= cur.selHandle(true);
 824
 825                 // Move out (down) from this section header
 826                 if (finish != end)
 827                         ++finish;
 828
 829                 // Seek the one (on same level) below
 830                 for (; finish != end; ++finish, ++cur.pit()) {
 831                         int const toclevel = finish->layout().toclevel;
 832                         if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 833                                 break;
 834                 }
 835                 cur.pos() = cur.lastpos();
 836
 837                 needsUpdate |= cur != old_cur;
 838                 break;
 839         }
 840
 841         case LFUN_WORD_RIGHT:
 842         case LFUN_WORD_RIGHT_SELECT:
 843                 if (lyxrc.visual_cursor) {
 844                         needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_RIGHT_SELECT);
 845                         needsUpdate |= cursorVisRightOneWord(cur);
 846                         if (!needsUpdate && oldTopSlice == cur.top()
 847                                         && cur.boundary() == oldBoundary) {
 848                                 cur.undispatched();
 849                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 850                         }
 851                 } else {
 852                         if (reverseDirectionNeeded(cur)) {
 853                                 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 854                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 855                         } else {
 856                                 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 857                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 858                         }
 859                         dispatch(cur, cmd);
 860                         return;
 861                 }
 862                 break;
 863
 864         case LFUN_WORD_FORWARD:
 865         case LFUN_WORD_FORWARD_SELECT:
 866                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 867                 needsUpdate |= cursorForwardOneWord(cur);
 868                 break;
 869
 870         case LFUN_WORD_LEFT:
 871         case LFUN_WORD_LEFT_SELECT:
 872                 if (lyxrc.visual_cursor) {
 873                         needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_LEFT_SELECT);
 874                         needsUpdate |= cursorVisLeftOneWord(cur);
 875                         if (!needsUpdate && oldTopSlice == cur.top()
 876                                         && cur.boundary() == oldBoundary) {
 877                                 cur.undispatched();
 878                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 879                         }
 880                 } else {
 881                         if (reverseDirectionNeeded(cur)) {
 882                                 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 883                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 884                         } else {
 885                                 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 886                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 887                         }
 888                         dispatch(cur, cmd);
 889                         return;
 890                 }
 891                 break;
 892
 893         case LFUN_WORD_BACKWARD:
 894         case LFUN_WORD_BACKWARD_SELECT:
 895                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 896                 needsUpdate |= cursorBackwardOneWord(cur);
 897                 break;
 898
 899         case LFUN_WORD_SELECT: {
 900                 selectWord(cur, WHOLE_WORD);
 901                 finishChange(cur, true);
 902                 break;
 903         }
 904
 905         case LFUN_NEWLINE_INSERT: {
 906                 InsetNewlineParams inp;
 907                 docstring arg = cmd.argument();
 908                 // this avoids a double undo
 909                 // FIXME: should not be needed, ideally
 910                 if (!cur.selection())
 911                         cur.recordUndo();
 912                 cap::replaceSelection(cur);
 913                 if (arg == "linebreak")
 914                         inp.kind = InsetNewlineParams::LINEBREAK;
 915                 else
 916                         inp.kind = InsetNewlineParams::NEWLINE;
 917                 cur.insert(new InsetNewline(inp));
 918                 cur.posForward();
 919                 moveCursor(cur, false);
 920                 break;
 921         }
 922
 923         case LFUN_CHAR_DELETE_FORWARD:
 924                 if (!cur.selection()) {
 925                         if (cur.pos() == cur.paragraph().size())
 926                                 // Par boundary, force full-screen update
 927                                 singleParUpdate = false;
 928                         needsUpdate |= erase(cur);
 929                         cur.resetAnchor();
 930                         // It is possible to make it a lot faster still
 931                         // just comment out the line below...
 932                 } else {
 933                         cutSelection(cur, true, false);
 934                         singleParUpdate = false;
 935                 }
 936                 moveCursor(cur, false);
 937                 break;
 938
 939         case LFUN_CHAR_DELETE_BACKWARD:
 940                 if (!cur.selection()) {
 941                         if (bv->getIntl().getTransManager().backspace()) {
 942                                 // Par boundary, full-screen update
 943                                 if (cur.pos() == 0)
 944                                         singleParUpdate = false;
 945                                 needsUpdate |= backspace(cur);
 946                                 cur.resetAnchor();
 947                                 // It is possible to make it a lot faster still
 948                                 // just comment out the line below...
 949                         }
 950                 } else {
 951                         cutSelection(cur, true, false);
 952                         singleParUpdate = false;
 953                 }
 954                 break;
 955
 956         case LFUN_BREAK_PARAGRAPH:
 957                 cap::replaceSelection(cur);
 958                 breakParagraph(cur, cmd.argument() == "inverse");
 959                 cur.resetAnchor();
 960                 break;
 961
 962         // TODO
 963         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 964         // as its duties can be performed there. Should it be removed??
 965         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 966         case LFUN_PARAGRAPH_SPACING: {
 967                 Paragraph & par = cur.paragraph();
 968                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 969                 string cur_value = "1.0";
 970                 if (cur_spacing == Spacing::Other)
 971                         cur_value = par.params().spacing().getValueAsString();
 972
 973                 istringstream is(to_utf8(cmd.argument()));
 974                 string tmp;
 975                 is >> tmp;
 976                 Spacing::Space new_spacing = cur_spacing;
 977                 string new_value = cur_value;
 978                 if (tmp.empty()) {
 979                         lyxerr << "Missing argument to `paragraph-spacing'"
 980                                << endl;
 981                 } else if (tmp == "single") {
 982                         new_spacing = Spacing::Single;
 983                 } else if (tmp == "onehalf") {
 984                         new_spacing = Spacing::Onehalf;
 985                 } else if (tmp == "double") {
 986                         new_spacing = Spacing::Double;
 987                 } else if (tmp == "other") {
 988                         new_spacing = Spacing::Other;
 989                         string tmpval = "0.0";
 990                         is >> tmpval;
 991                         lyxerr << "new_value = " << tmpval << endl;
 992                         if (tmpval != "0.0")
 993                                 new_value = tmpval;
 994                 } else if (tmp == "default") {
 995                         new_spacing = Spacing::Default;
 996                 } else {
 997                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 998                                << to_utf8(cmd.argument()) << endl;
 999                 }
1000                 if (cur_spacing != new_spacing || cur_value != new_value)
1001                         par.params().spacing(Spacing(new_spacing, new_value));
1002                 break;
1003         }
1004
1005         case LFUN_INSET_INSERT: {
1006                 cur.recordUndo();
1007
1008                 // We have to avoid triggering InstantPreview loading
1009                 // before inserting into the document. See bug #5626.
1010                 bool loaded = bv->buffer().isFullyLoaded();
1011                 bv->buffer().setFullyLoaded(false);
1012                 Inset * inset = createInset(bv->buffer(), cmd);
1013                 bv->buffer().setFullyLoaded(loaded);
1014
1015                 if (inset) {
1016                         // FIXME (Abdel 01/02/2006):
1017                         // What follows would be a partial fix for bug 2154:
1018                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
1019                         // This automatically put the label inset _after_ a
1020                         // numbered section. It should be possible to extend the mechanism
1021                         // to any kind of LateX environement.
1022                         // The correct way to fix that bug would be at LateX generation.
1023                         // I'll let the code here for reference as it could be used for some
1024                         // other feature like "automatic labelling".
1025                         /*
1026                         Paragraph & par = pars_[cur.pit()];
1027                         if (inset->lyxCode() == LABEL_CODE
1028                                 && par.layout().labeltype == LABEL_COUNTER) {
1029                                 // Go to the end of the paragraph
1030                                 // Warning: Because of Change-Tracking, the last
1031                                 // position is 'size()' and not 'size()-1':
1032                                 cur.pos() = par.size();
1033                                 // Insert a new paragraph
1034                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
1035                                 dispatch(cur, fr);
1036                         }
1037                         */
1038                         if (cur.selection())
1039                                 cutSelection(cur, true, false);
1040                         cur.insert(inset);
1041                         cur.posForward();
1042
1043                         // trigger InstantPreview now
1044                         if (inset->lyxCode() == EXTERNAL_CODE) {
1045                                 InsetExternal & ins =
1046                                         static_cast<InsetExternal &>(*inset);
1047                                 ins.updatePreview();
1048                         }
1049                 }
1050
1051                 break;
1052         }
1053
1054         case LFUN_INSET_DISSOLVE: {
1055                 // first, try if there's an inset at cursor
1056                 // FIXME: this first part should be moved to
1057                 // a LFUN_NEXT_INSET_DISSOLVE, or be called via
1058                 // some generic "next-inset inset-dissolve"
1059                 Inset * inset = cur.nextInset();
1060                 if (inset && inset->isActive()) {
1061                         Cursor tmpcur = cur;
1062                         tmpcur.pushBackward(*inset);
1063                         inset->dispatch(tmpcur, cmd);
1064                         if (tmpcur.result().dispatched()) {
1065                                 cur.dispatched();
1066                                 break;
1067                         }
1068                 }
1069                 // if it did not work, try the underlying inset
1070                 if (dissolveInset(cur)) {
1071                         needsUpdate = true;
1072                         break;
1073                 }
1074                 // if it did not work, do nothing.
1075                 break;
1076         }
1077
1078         case LFUN_SET_GRAPHICS_GROUP: {
1079                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
1080                 if (!ins)
1081                         break;
1082
1083                 cur.recordUndo();
1084
1085                 string id = to_utf8(cmd.argument());
1086                 string grp = graphics::getGroupParams(bv->buffer(), id);
1087                 InsetGraphicsParams tmp, inspar = ins->getParams();
1088
1089                 if (id.empty())
1090                         inspar.groupId = to_utf8(cmd.argument());
1091                 else {
1092                         InsetGraphics::string2params(grp, bv->buffer(), tmp);
1093                         tmp.filename = inspar.filename;
1094                         inspar = tmp;
1095                 }
1096
1097                 ins->setParams(inspar);
1098         }
1099
1100         case LFUN_SPACE_INSERT:
1101                 if (cur.paragraph().layout().free_spacing)
1102                         insertChar(cur, ' ');
1103                 else {
1104                         doInsertInset(cur, this, cmd, false, false);
1105                         cur.posForward();
1106                 }
1107                 moveCursor(cur, false);
1108                 break;
1109
1110         case LFUN_SPECIALCHAR_INSERT: {
1111                 string const name = to_utf8(cmd.argument());
1112                 if (name == "hyphenation")
1113                         specialChar(cur, InsetSpecialChar::HYPHENATION);
1114                 else if (name == "ligature-break")
1115                         specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
1116                 else if (name == "slash")
1117                         specialChar(cur, InsetSpecialChar::SLASH);
1118                 else if (name == "nobreakdash")
1119                         specialChar(cur, InsetSpecialChar::NOBREAKDASH);
1120                 else if (name == "dots")
1121                         specialChar(cur, InsetSpecialChar::LDOTS);
1122                 else if (name == "end-of-sentence")
1123                         specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
1124                 else if (name == "menu-separator")
1125                         specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
1126                 else if (name.empty())
1127                         lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
1128                 else
1129                         lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
1130                 break;
1131         }
1132
1133         case LFUN_WORD_UPCASE:
1134                 changeCase(cur, text_uppercase);
1135                 break;
1136
1137         case LFUN_WORD_LOWCASE:
1138                 changeCase(cur, text_lowercase);
1139                 break;
1140
1141         case LFUN_WORD_CAPITALIZE:
1142                 changeCase(cur, text_capitalization);
1143                 break;
1144
1145         case LFUN_CHARS_TRANSPOSE:
1146                 charsTranspose(cur);
1147                 break;
1148
1149         case LFUN_PASTE: {
1150                 cur.message(_("Paste"));
1151                 LASSERT(cur.selBegin().idx() == cur.selEnd().idx(), /**/);
1152                 cap::replaceSelection(cur);
1153
1154                 // without argument?
1155                 string const arg = to_utf8(cmd.argument());
1156                 if (arg.empty()) {
1157                         if (theClipboard().isInternal())
1158                                 pasteFromStack(cur, bv->buffer().errorList("Paste"), 0);
1159                         else if (theClipboard().hasGraphicsContents()
1160                                      && !theClipboard().hasTextContents())
1161                                 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"));
1162                         else
1163                                 pasteClipboardText(cur, bv->buffer().errorList("Paste"));
1164                 } else if (isStrUnsignedInt(arg)) {
1165                         // we have a numerical argument
1166                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
1167                                        convert<unsigned int>(arg));
1168                 } else {
1169                         Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
1170                         if (arg == "pdf")
1171                                 type = Clipboard::PdfGraphicsType;
1172                         else if (arg == "png")
1173                                 type = Clipboard::PngGraphicsType;
1174                         else if (arg == "jpeg")
1175                                 type = Clipboard::JpegGraphicsType;
1176                         else if (arg == "linkback")
1177                                 type = Clipboard::LinkBackGraphicsType;
1178                         else if (arg == "emf")
1179                                 type = Clipboard::EmfGraphicsType;
1180                         else if (arg == "wmf")
1181                                 type = Clipboard::WmfGraphicsType;
1182
1183                         else
1184                                 LASSERT(false, /**/);
1185
1186                         pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
1187                 }
1188
1189                 bv->buffer().errors("Paste");
1190                 cur.clearSelection(); // bug 393
1191                 cur.finishUndo();
1192                 break;
1193         }
1194
1195         case LFUN_CUT:
1196                 cutSelection(cur, true, true);
1197                 cur.message(_("Cut"));
1198                 break;
1199
1200         case LFUN_COPY:
1201                 copySelection(cur);
1202                 cur.message(_("Copy"));
1203                 break;
1204
1205         case LFUN_SERVER_GET_XY:
1206                 cur.message(from_utf8(
1207                         convert<string>(tm->cursorX(cur.top(), cur.boundary()))
1208                         + ' ' + convert<string>(tm->cursorY(cur.top(), cur.boundary()))));
1209                 break;
1210
1211         case LFUN_SERVER_SET_XY: {
1212                 int x = 0;
1213                 int y = 0;
1214                 istringstream is(to_utf8(cmd.argument()));
1215                 is >> x >> y;
1216                 if (!is)
1217                         lyxerr << "SETXY: Could not parse coordinates in '"
1218                                << to_utf8(cmd.argument()) << endl;
1219                 else
1220                         tm->setCursorFromCoordinates(cur, x, y);
1221                 break;
1222         }
1223
1224         case LFUN_SERVER_GET_LAYOUT:
1225                 cur.message(cur.paragraph().layout().name());
1226                 break;
1227
1228         case LFUN_LAYOUT: {
1229                 docstring layout = cmd.argument();
1230                 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
1231
1232                 Paragraph const & para = cur.paragraph();
1233                 docstring const old_layout = para.layout().name();
1234                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1235
1236                 if (layout.empty())
1237                         layout = tclass.defaultLayoutName();
1238
1239                 if (para.forcePlainLayout())
1240                         // in this case only the empty layout is allowed
1241                         layout = tclass.plainLayoutName();
1242                 else if (para.usePlainLayout()) {
1243                         // in this case, default layout maps to empty layout
1244                         if (layout == tclass.defaultLayoutName())
1245                                 layout = tclass.plainLayoutName();
1246                 } else {
1247                         // otherwise, the empty layout maps to the default
1248                         if (layout == tclass.plainLayoutName())
1249                                 layout = tclass.defaultLayoutName();
1250                 }
1251
1252                 bool hasLayout = tclass.hasLayout(layout);
1253
1254                 // If the entry is obsolete, use the new one instead.
1255                 if (hasLayout) {
1256                         docstring const & obs = tclass[layout].obsoleted_by();
1257                         if (!obs.empty())
1258                                 layout = obs;
1259                 }
1260
1261                 if (!hasLayout) {
1262                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
1263                                 from_utf8(N_(" not known")));
1264                         break;
1265                 }
1266
1267                 bool change_layout = (old_layout != layout);
1268
1269                 if (!change_layout && cur.selection() &&
1270                         cur.selBegin().pit() != cur.selEnd().pit())
1271                 {
1272                         pit_type spit = cur.selBegin().pit();
1273                         pit_type epit = cur.selEnd().pit() + 1;
1274                         while (spit != epit) {
1275                                 if (pars_[spit].layout().name() != old_layout) {
1276                                         change_layout = true;
1277                                         break;
1278                                 }
1279                                 ++spit;
1280                         }
1281                 }
1282
1283                 if (change_layout)
1284                         setLayout(cur, layout);
1285
1286                 break;
1287         }
1288
1289         case LFUN_CLIPBOARD_PASTE:
1290                 cur.clearSelection();
1291                 pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1292                                cmd.argument() == "paragraph");
1293                 bv->buffer().errors("Paste");
1294                 break;
1295
1296         case LFUN_PRIMARY_SELECTION_PASTE:
1297                 pasteString(cur, theSelection().get(),
1298                             cmd.argument() == "paragraph");
1299                 break;
1300
1301         case LFUN_SELECTION_PASTE:
1302                 // Copy the selection buffer to the clipboard stack,
1303                 // because we want it to appear in the "Edit->Paste
1304                 // recent" menu.
1305                 cap::copySelectionToStack();
1306                 cap::pasteSelection(bv->cursor(), bv->buffer().errorList("Paste"));
1307                 bv->buffer().errors("Paste");
1308                 break;
1309
1310         case LFUN_UNICODE_INSERT: {
1311                 if (cmd.argument().empty())
1312                         break;
1313                 docstring hexstring = cmd.argument();
1314                 if (isHex(hexstring)) {
1315                         char_type c = hexToInt(hexstring);
1316                         if (c >= 32 && c < 0x10ffff) {
1317                                 lyxerr << "Inserting c: " << c << endl;
1318                                 docstring s = docstring(1, c);
1319                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1320                         }
1321                 }
1322                 break;
1323         }
1324
1325         case LFUN_QUOTE_INSERT: {
1326                 Paragraph & par = cur.paragraph();
1327                 pos_type pos = cur.pos();
1328                 BufferParams const & bufparams = bv->buffer().params();
1329                 Layout const & style = par.layout();
1330                 InsetLayout const & ilayout = cur.inset().getLayout(bufparams);
1331                 if (!style.pass_thru && !ilayout.isPassThru()
1332                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1333                         // this avoids a double undo
1334                         // FIXME: should not be needed, ideally
1335                         if (!cur.selection())
1336                                 cur.recordUndo();
1337                         cap::replaceSelection(cur);
1338                         pos = cur.pos();
1339                         char_type c;
1340                         if (pos == 0)
1341                                 c = ' ';
1342                         else if (cur.prevInset() && cur.prevInset()->isSpace())
1343                                 c = ' ';
1344                         else
1345                                 c = par.getChar(pos - 1);
1346                         string arg = to_utf8(cmd.argument());
1347                         cur.insert(new InsetQuotes(bv->buffer(), c, (arg == "single")
1348                                 ? InsetQuotes::SingleQuotes : InsetQuotes::DoubleQuotes));
1349                         cur.posForward();
1350                 }
1351                 else
1352                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1353                 break;
1354         }
1355
1356         case LFUN_DATE_INSERT: {
1357                 string const format = cmd.argument().empty()
1358                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1359                 string const time = formatted_time(current_time(), format);
1360                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1361                 break;
1362         }
1363
1364         case LFUN_MOUSE_TRIPLE:
1365                 if (cmd.button() == mouse_button::button1) {
1366                         tm->cursorHome(cur);
1367                         cur.resetAnchor();
1368                         tm->cursorEnd(cur);
1369                         cur.setSelection();
1370                         bv->cursor() = cur;
1371                 }
1372                 break;
1373
1374         case LFUN_MOUSE_DOUBLE:
1375                 if (cmd.button() == mouse_button::button1) {
1376                         selectWord(cur, WHOLE_WORD_STRICT);
1377                         bv->cursor() = cur;
1378                 }
1379                 break;
1380
1381         // Single-click on work area
1382         case LFUN_MOUSE_PRESS:
1383                 // We are not marking a selection with the keyboard in any case.
1384                 cur.bv().cursor().setMark(false);
1385                 switch (cmd.button()) {
1386                 case mouse_button::button1:
1387                         // Set the cursor
1388                         if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
1389                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1390                         break;
1391
1392                 case mouse_button::button2:
1393                         // Middle mouse pasting.
1394                         bv->mouseSetCursor(cur);
1395                         lyx::dispatch(
1396                                 FuncRequest(LFUN_COMMAND_ALTERNATIVES,
1397                                             "selection-paste ; primary-selection-paste paragraph"));
1398                         cur.noUpdate();
1399                         break;
1400
1401                 case mouse_button::button3: {
1402                         Cursor const & bvcur = cur.bv().cursor();
1403                         // Don't do anything if we right-click a
1404                         // selection, a context menu will popup.
1405                         if (bvcur.selection() && cur >= bvcur.selectionBegin()
1406                             && cur < bvcur.selectionEnd()) {
1407                                 cur.noUpdate();
1408                                 return;
1409                         }
1410                         if (!bv->mouseSetCursor(cur, false))
1411                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1412                         break;
1413                 }
1414
1415                 default:
1416                         break;
1417                 } // switch (cmd.button())
1418                 break;
1419
1420         case LFUN_MOUSE_MOTION: {
1421                 // Mouse motion with right or middle mouse do nothing for now.
1422                 if (cmd.button() != mouse_button::button1) {
1423                         cur.noUpdate();
1424                         return;
1425                 }
1426                 // ignore motions deeper nested than the real anchor
1427                 Cursor & bvcur = cur.bv().cursor();
1428                 if (!bvcur.anchor_.hasPart(cur)) {
1429                         cur.undispatched();
1430                         break;
1431                 }
1432                 CursorSlice old = bvcur.top();
1433
1434                 int const wh = bv->workHeight();
1435                 int const y = max(0, min(wh - 1, cmd.y));
1436
1437                 tm->setCursorFromCoordinates(cur, cmd.x, y);
1438                 cur.setTargetX(cmd.x);
1439                 if (cmd.y >= wh)
1440                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1441                 else if (cmd.y < 0)
1442                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1443                 // This is to allow jumping over large insets
1444                 if (cur.top() == old) {
1445                         if (cmd.y >= wh)
1446                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1447                         else if (cmd.y < 0)
1448                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1449                 }
1450                 // We continue with our existing selection or start a new one, so don't
1451                 // reset the anchor.
1452                 bvcur.setCursor(cur);
1453                 bvcur.setSelection(true);
1454                 if (cur.top() == old) {
1455                         // We didn't move one iota, so no need to update the screen.
1456                         cur.updateFlags(Update::SinglePar | Update::FitCursor);
1457                         //cur.noUpdate();
1458                         return;
1459                 }
1460                 break;
1461         }
1462
1463         case LFUN_MOUSE_RELEASE:
1464                 switch (cmd.button()) {
1465                 case mouse_button::button1:
1466                         // Cursor was set at LFUN_MOUSE_PRESS or LFUN_MOUSE_MOTION time.
1467                         // If there is a new selection, update persistent selection;
1468                         // otherwise, single click does not clear persistent selection
1469                         // buffer.
1470                         if (cur.selection()) {
1471                                 // Finish selection. If double click,
1472                                 // cur is moved to the end of word by
1473                                 // selectWord but bvcur is current
1474                                 // mouse position.
1475                                 cur.bv().cursor().setSelection();
1476                                 // We might have removed an empty but drawn selection
1477                                 // (probably a margin)
1478                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1479                         } else
1480                                 cur.noUpdate();
1481                         // FIXME: We could try to handle drag and drop of selection here.
1482                         return;
1483
1484                 case mouse_button::button2:
1485                         // Middle mouse pasting is handled at mouse press time,
1486                         // see LFUN_MOUSE_PRESS.
1487                         cur.noUpdate();
1488                         return;
1489
1490                 case mouse_button::button3:
1491                         // Cursor was set at LFUN_MOUSE_PRESS time.
1492                         // FIXME: If there is a selection we could try to handle a special
1493                         // drag & drop context menu.
1494                         cur.noUpdate();
1495                         return;
1496
1497                 case mouse_button::none:
1498                 case mouse_button::button4:
1499                 case mouse_button::button5:
1500                         break;
1501                 } // switch (cmd.button())
1502
1503                 break;
1504
1505         case LFUN_SELF_INSERT: {
1506                 if (cmd.argument().empty())
1507                         break;
1508
1509                 // Automatically delete the currently selected
1510                 // text and replace it with what is being
1511                 // typed in now. Depends on lyxrc settings
1512                 // "auto_region_delete", which defaults to
1513                 // true (on).
1514
1515                 if (lyxrc.auto_region_delete && cur.selection())
1516                         cutSelection(cur, false, false);
1517
1518                 cur.clearSelection();
1519
1520                 docstring::const_iterator cit = cmd.argument().begin();
1521                 docstring::const_iterator const end = cmd.argument().end();
1522                 for (; cit != end; ++cit)
1523                         bv->translateAndInsert(*cit, this, cur);
1524
1525                 cur.resetAnchor();
1526                 moveCursor(cur, false);
1527                 bv->bookmarkEditPosition();
1528                 break;
1529         }
1530
1531         case LFUN_HYPERLINK_INSERT: {
1532                 InsetCommandParams p(HYPERLINK_CODE);
1533                 docstring content;
1534                 if (cur.selection()) {
1535                         content = cur.selectionAsString(false);
1536                         cutSelection(cur, true, false);
1537                 }
1538                 p["target"] = (cmd.argument().empty()) ?
1539                         content : cmd.argument();
1540                 string const data = InsetCommand::params2string("href", p);
1541                 if (p["target"].empty()) {
1542                         bv->showDialog("href", data);
1543                 } else {
1544                         FuncRequest fr(LFUN_INSET_INSERT, data);
1545                         dispatch(cur, fr);
1546                 }
1547                 break;
1548         }
1549
1550         case LFUN_LABEL_INSERT: {
1551                 InsetCommandParams p(LABEL_CODE);
1552                 // Try to generate a valid label
1553                 p["name"] = (cmd.argument().empty()) ?
1554                         cur.getPossibleLabel() :
1555                         cmd.argument();
1556                 string const data = InsetCommand::params2string("label", p);
1557
1558                 if (cmd.argument().empty()) {
1559                         bv->showDialog("label", data);
1560                 } else {
1561                         FuncRequest fr(LFUN_INSET_INSERT, data);
1562                         dispatch(cur, fr);
1563                 }
1564                 break;
1565         }
1566
1567         case LFUN_INFO_INSERT: {
1568                 Inset * inset;
1569                 if (cmd.argument().empty() && cur.selection()) {
1570                         // if command argument is empty use current selection as parameter.
1571                         docstring ds = cur.selectionAsString(false);
1572                         cutSelection(cur, true, false);
1573                         FuncRequest cmd0(cmd, ds);
1574                         inset = createInset(cur.bv().buffer(), cmd0);
1575                 } else {
1576                         inset = createInset(cur.bv().buffer(), cmd);
1577                 }
1578                 if (!inset)
1579                         break;
1580                 cur.recordUndo();
1581                 insertInset(cur, inset);
1582                 cur.posForward();
1583                 break;
1584         }
1585         case LFUN_CAPTION_INSERT:
1586         case LFUN_FOOTNOTE_INSERT:
1587         case LFUN_NOTE_INSERT:
1588         case LFUN_FLEX_INSERT:
1589         case LFUN_BOX_INSERT:
1590         case LFUN_BRANCH_INSERT:
1591         case LFUN_PHANTOM_INSERT:
1592         case LFUN_ERT_INSERT:
1593         case LFUN_LISTING_INSERT:
1594         case LFUN_MARGINALNOTE_INSERT:
1595         case LFUN_OPTIONAL_INSERT:
1596         case LFUN_INDEX_INSERT:
1597                 // Open the inset, and move the current selection
1598                 // inside it.
1599                 doInsertInset(cur, this, cmd, true, true);
1600                 cur.posForward();
1601                 // Some insets are numbered, others are shown in the outline pane so
1602                 // let's update the labels and the toc backend.
1603                 bv->buffer().updateLabels();
1604                 break;
1605
1606         case LFUN_TABULAR_INSERT:
1607                 // if there were no arguments, just open the dialog
1608                 if (doInsertInset(cur, this, cmd, false, true))
1609                         cur.posForward();
1610                 else
1611                         bv->showDialog("tabularcreate");
1612
1613                 break;
1614
1615         case LFUN_FLOAT_INSERT:
1616         case LFUN_FLOAT_WIDE_INSERT:
1617         case LFUN_WRAP_INSERT: {
1618                 // will some text be moved into the inset?
1619                 bool content = cur.selection();
1620
1621                 doInsertInset(cur, this, cmd, true, true);
1622                 cur.posForward();
1623
1624                 // If some text is moved into the inset, doInsertInset
1625                 // puts the cursor outside the inset. To insert the
1626                 // caption we put it back into the inset.
1627                 if (content)
1628                         cur.backwardPos();
1629
1630                 ParagraphList & pars = cur.text()->paragraphs();
1631
1632                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1633
1634                 // add a separate paragraph for the caption inset
1635                 pars.push_back(Paragraph());
1636                 pars.back().setInsetOwner(&pars[0].inInset());
1637                 pars.back().setPlainOrDefaultLayout(tclass);
1638                 int cap_pit = pars.size() - 1;
1639
1640                 // if an empty inset was created, we create an additional empty
1641                 // paragraph at the bottom so that the user can choose where to put
1642                 // the graphics (or table).
1643                 if (!content) {
1644                         pars.push_back(Paragraph());
1645                         pars.back().setInsetOwner(&pars[0].inInset());
1646                         pars.back().setPlainOrDefaultLayout(tclass);
1647                 }
1648
1649                 // reposition the cursor to the caption
1650                 cur.pit() = cap_pit;
1651                 cur.pos() = 0;
1652                 // FIXME: This Text/Cursor dispatch handling is a mess!
1653                 // We cannot use Cursor::dispatch here it needs access to up to
1654                 // date metrics.
1655                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1656                 doInsertInset(cur, cur.text(), cmd_caption, true, false);
1657                 bv->buffer().updateLabels();
1658                 cur.updateFlags(Update::Force);
1659                 // FIXME: When leaving the Float (or Wrap) inset we should
1660                 // delete any empty paragraph left above or below the
1661                 // caption.
1662                 break;
1663         }
1664
1665         case LFUN_NOMENCL_INSERT: {
1666                 InsetCommandParams p(NOMENCL_CODE);
1667                 if (cmd.argument().empty())
1668                         p["symbol"] = bv->cursor().innerText()->getStringToIndex(bv->cursor());
1669                 else
1670                         p["symbol"] = cmd.argument();
1671                 string const data = InsetCommand::params2string("nomenclature", p);
1672                 bv->showDialog("nomenclature", data);
1673                 break;
1674         }
1675
1676         case LFUN_INDEX_PRINT: {
1677                 InsetCommandParams p(INDEX_PRINT_CODE);
1678                 if (cmd.argument().empty())
1679                         p["type"] = from_ascii("idx");
1680                 else
1681                         p["type"] = cmd.argument();
1682                 string const data = InsetCommand::params2string("index_print", p);
1683                 FuncRequest fr(LFUN_INSET_INSERT, data);
1684                 dispatch(cur, fr);
1685                 break;
1686         }
1687
1688         case LFUN_NOMENCL_PRINT:
1689         case LFUN_TOC_INSERT:
1690         case LFUN_LINE_INSERT:
1691         case LFUN_NEWPAGE_INSERT:
1692                 // do nothing fancy
1693                 doInsertInset(cur, this, cmd, false, false);
1694                 cur.posForward();
1695                 break;
1696
1697         case LFUN_DEPTH_DECREMENT:
1698                 changeDepth(cur, DEC_DEPTH);
1699                 break;
1700
1701         case LFUN_DEPTH_INCREMENT:
1702                 changeDepth(cur, INC_DEPTH);
1703                 break;
1704
1705         case LFUN_MATH_DISPLAY:
1706                 mathDispatch(cur, cmd, true);
1707                 break;
1708
1709         case LFUN_REGEXP_MODE:
1710                 regexpDispatch(cur, cmd);
1711                 break;
1712
1713         case LFUN_MATH_MODE:
1714                 if (cmd.argument() == "on")
1715                         // don't pass "on" as argument
1716                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1717                 else
1718                         mathDispatch(cur, cmd, false);
1719                 break;
1720
1721         case LFUN_MATH_MACRO:
1722                 if (cmd.argument().empty())
1723                         cur.errorMessage(from_utf8(N_("Missing argument")));
1724                 else {
1725                         string s = to_utf8(cmd.argument());
1726                         string const s1 = token(s, ' ', 1);
1727                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1728                         string const s2 = token(s, ' ', 2);
1729                         MacroType type = MacroTypeNewcommand;
1730                         if (s2 == "def")
1731                                 type = MacroTypeDef;
1732                         MathMacroTemplate * inset = new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, false, type);
1733                         inset->setBuffer(bv->buffer());
1734                         insertInset(cur, inset);
1735
1736                         // enter macro inset and select the name
1737                         cur.push(*inset);
1738                         cur.top().pos() = cur.top().lastpos();
1739                         cur.resetAnchor();
1740                         cur.setSelection(true);
1741                         cur.top().pos() = 0;
1742                 }
1743                 break;
1744
1745         // passthrough hat and underscore outside mathed:
1746         case LFUN_MATH_SUBSCRIPT:
1747                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1748                 break;
1749         case LFUN_MATH_SUPERSCRIPT:
1750                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1751                 break;
1752
1753         case LFUN_MATH_INSERT:
1754         case LFUN_MATH_MATRIX:
1755         case LFUN_MATH_DELIM:
1756         case LFUN_MATH_BIGDELIM: {
1757                 cur.recordUndo();
1758                 cap::replaceSelection(cur);
1759                 cur.insert(new InsetMathHull(hullSimple));
1760                 checkAndActivateInset(cur, true);
1761                 LASSERT(cur.inMathed(), /**/);
1762                 cur.dispatch(cmd);
1763                 break;
1764         }
1765
1766         case LFUN_FONT_EMPH: {
1767                 Font font(ignore_font, ignore_language);
1768                 font.fontInfo().setEmph(FONT_TOGGLE);
1769                 toggleAndShow(cur, this, font);
1770                 break;
1771         }
1772
1773         case LFUN_FONT_ITAL: {
1774                 Font font(ignore_font, ignore_language);
1775                 font.fontInfo().setShape(ITALIC_SHAPE);
1776                 toggleAndShow(cur, this, font);
1777                 break;
1778         }
1779
1780         case LFUN_FONT_BOLD:
1781         case LFUN_FONT_BOLDSYMBOL: {
1782                 Font font(ignore_font, ignore_language);
1783                 font.fontInfo().setSeries(BOLD_SERIES);
1784                 toggleAndShow(cur, this, font);
1785                 break;
1786         }
1787
1788         case LFUN_FONT_NOUN: {
1789                 Font font(ignore_font, ignore_language);
1790                 font.fontInfo().setNoun(FONT_TOGGLE);
1791                 toggleAndShow(cur, this, font);
1792                 break;
1793         }
1794
1795         case LFUN_FONT_TYPEWRITER: {
1796                 Font font(ignore_font, ignore_language);
1797                 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
1798                 toggleAndShow(cur, this, font);
1799                 break;
1800         }
1801
1802         case LFUN_FONT_SANS: {
1803                 Font font(ignore_font, ignore_language);
1804                 font.fontInfo().setFamily(SANS_FAMILY);
1805                 toggleAndShow(cur, this, font);
1806                 break;
1807         }
1808
1809         case LFUN_FONT_ROMAN: {
1810                 Font font(ignore_font, ignore_language);
1811                 font.fontInfo().setFamily(ROMAN_FAMILY);
1812                 toggleAndShow(cur, this, font);
1813                 break;
1814         }
1815
1816         case LFUN_FONT_DEFAULT: {
1817                 Font font(inherit_font, ignore_language);
1818                 toggleAndShow(cur, this, font);
1819                 break;
1820         }
1821
1822         case LFUN_FONT_STRIKEOUT: {
1823                 Font font(ignore_font, ignore_language);
1824                 font.fontInfo().setStrikeout(FONT_TOGGLE);
1825                 toggleAndShow(cur, this, font);
1826                 break;
1827         }
1828
1829         case LFUN_FONT_UULINE: {
1830                 Font font(ignore_font, ignore_language);
1831                 font.fontInfo().setUuline(FONT_TOGGLE);
1832                 toggleAndShow(cur, this, font);
1833                 break;
1834         }
1835
1836         case LFUN_FONT_UWAVE: {
1837                 Font font(ignore_font, ignore_language);
1838                 font.fontInfo().setUwave(FONT_TOGGLE);
1839                 toggleAndShow(cur, this, font);
1840                 break;
1841         }
1842
1843         case LFUN_FONT_UNDERLINE: {
1844                 Font font(ignore_font, ignore_language);
1845                 font.fontInfo().setUnderbar(FONT_TOGGLE);
1846                 toggleAndShow(cur, this, font);
1847                 break;
1848         }
1849
1850         case LFUN_FONT_SIZE: {
1851                 Font font(ignore_font, ignore_language);
1852                 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
1853                 toggleAndShow(cur, this, font);
1854                 break;
1855         }
1856
1857         case LFUN_LANGUAGE: {
1858                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1859                 if (!lang)
1860                         break;
1861                 Font font(ignore_font, lang);
1862                 toggleAndShow(cur, this, font);
1863                 break;
1864         }
1865
1866         case LFUN_TEXTSTYLE_APPLY:
1867                 toggleAndShow(cur, this, freefont, toggleall);
1868                 cur.message(_("Character set"));
1869                 break;
1870
1871         // Set the freefont using the contents of \param data dispatched from
1872         // the frontends and apply it at the current cursor location.
1873         case LFUN_TEXTSTYLE_UPDATE: {
1874                 Font font;
1875                 bool toggle;
1876                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1877                         freefont = font;
1878                         toggleall = toggle;
1879                         toggleAndShow(cur, this, freefont, toggleall);
1880                         cur.message(_("Character set"));
1881                 } else {
1882                         lyxerr << "Argument not ok";
1883                 }
1884                 break;
1885         }
1886
1887         case LFUN_FINISHED_LEFT:
1888                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
1889                 // We're leaving an inset, going left. If the inset is LTR, we're
1890                 // leaving from the front, so we should not move (remain at --- but
1891                 // not in --- the inset). If the inset is RTL, move left, without
1892                 // entering the inset itself; i.e., move to after the inset.
1893                 if (cur.paragraph().getFontSettings(
1894                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1895                         cursorVisLeft(cur, true);
1896                 break;
1897
1898         case LFUN_FINISHED_RIGHT:
1899                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
1900                 // We're leaving an inset, going right. If the inset is RTL, we're
1901                 // leaving from the front, so we should not move (remain at --- but
1902                 // not in --- the inset). If the inset is LTR, move right, without
1903                 // entering the inset itself; i.e., move to after the inset.
1904                 if (!cur.paragraph().getFontSettings(
1905                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1906                         cursorVisRight(cur, true);
1907                 break;
1908
1909         case LFUN_FINISHED_BACKWARD:
1910                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
1911                 break;
1912
1913         case LFUN_FINISHED_FORWARD:
1914                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
1915                 ++cur.pos();
1916                 cur.setCurrentFont();
1917                 break;
1918
1919         case LFUN_LAYOUT_PARAGRAPH: {
1920                 string data;
1921                 params2string(cur.paragraph(), data);
1922                 data = "show\n" + data;
1923                 bv->showDialog("paragraph", data);
1924                 break;
1925         }
1926
1927         case LFUN_PARAGRAPH_UPDATE: {
1928                 string data;
1929                 params2string(cur.paragraph(), data);
1930
1931                 // Will the paragraph accept changes from the dialog?
1932                 bool const accept =
1933                         cur.inset().allowParagraphCustomization(cur.idx());
1934
1935                 data = "update " + convert<string>(accept) + '\n' + data;
1936                 bv->updateDialog("paragraph", data);
1937                 break;
1938         }
1939
1940         case LFUN_ACCENT_UMLAUT:
1941         case LFUN_ACCENT_CIRCUMFLEX:
1942         case LFUN_ACCENT_GRAVE:
1943         case LFUN_ACCENT_ACUTE:
1944         case LFUN_ACCENT_TILDE:
1945         case LFUN_ACCENT_CEDILLA:
1946         case LFUN_ACCENT_MACRON:
1947         case LFUN_ACCENT_DOT:
1948         case LFUN_ACCENT_UNDERDOT:
1949         case LFUN_ACCENT_UNDERBAR:
1950         case LFUN_ACCENT_CARON:
1951         case LFUN_ACCENT_BREVE:
1952         case LFUN_ACCENT_TIE:
1953         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1954         case LFUN_ACCENT_CIRCLE:
1955         case LFUN_ACCENT_OGONEK:
1956                 theLyXFunc().handleKeyFunc(cmd.action);
1957                 if (!cmd.argument().empty())
1958                         // FIXME: Are all these characters encoded in one byte in utf8?
1959                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1960                 break;
1961
1962         case LFUN_FLOAT_LIST_INSERT: {
1963                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1964                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1965                         cur.recordUndo();
1966                         if (cur.selection())
1967                                 cutSelection(cur, true, false);
1968                         breakParagraph(cur);
1969
1970                         if (cur.lastpos() != 0) {
1971                                 cursorBackward(cur);
1972                                 breakParagraph(cur);
1973                         }
1974
1975                         docstring const laystr = cur.inset().usePlainLayout() ?
1976                                 tclass.plainLayoutName() :
1977                                 tclass.defaultLayoutName();
1978                         setLayout(cur, laystr);
1979                         ParagraphParameters p;
1980                         // FIXME If this call were replaced with one to clearParagraphParams(),
1981                         // then we could get rid of this method altogether.
1982                         setParagraphs(cur, p);
1983                         // FIXME This should be simplified when InsetFloatList takes a
1984                         // Buffer in its constructor.
1985                         InsetFloatList * ifl = new InsetFloatList(to_utf8(cmd.argument()));
1986                         ifl->setBuffer(bv->buffer());
1987                         insertInset(cur, ifl);
1988                         cur.posForward();
1989                 } else {
1990                         lyxerr << "Non-existent float type: "
1991                                << to_utf8(cmd.argument()) << endl;
1992                 }
1993                 break;
1994         }
1995
1996         case LFUN_CHANGE_ACCEPT: {
1997                 acceptOrRejectChanges(cur, ACCEPT);
1998                 break;
1999         }
2000
2001         case LFUN_CHANGE_REJECT: {
2002                 acceptOrRejectChanges(cur, REJECT);
2003                 break;
2004         }
2005
2006         case LFUN_THESAURUS_ENTRY: {
2007                 docstring arg = cmd.argument();
2008                 if (arg.empty()) {
2009                         arg = cur.selectionAsString(false);
2010                         // FIXME
2011                         if (arg.size() > 100 || arg.empty()) {
2012                                 // Get word or selection
2013                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2014                                 arg = cur.selectionAsString(false);
2015                                 arg += " lang=" + from_ascii(cur.getFont().language()->lang());
2016                         }
2017                 }
2018                 bv->showDialog("thesaurus", to_utf8(arg));
2019                 break;
2020         }
2021
2022         case LFUN_PARAGRAPH_PARAMS_APPLY: {
2023                 // Given data, an encoding of the ParagraphParameters
2024                 // generated in the Paragraph dialog, this function sets
2025                 // the current paragraph, or currently selected paragraphs,
2026                 // appropriately.
2027                 // NOTE: This function overrides all existing settings.
2028                 setParagraphs(cur, cmd.argument());
2029                 cur.message(_("Paragraph layout set"));
2030                 break;
2031         }
2032
2033         case LFUN_PARAGRAPH_PARAMS: {
2034                 // Given data, an encoding of the ParagraphParameters as we'd
2035                 // find them in a LyX file, this function modifies the current paragraph,
2036                 // or currently selected paragraphs.
2037                 // NOTE: This function only modifies, and does not override, existing
2038                 // settings.
2039                 setParagraphs(cur, cmd.argument(), true);
2040                 cur.message(_("Paragraph layout set"));
2041                 break;
2042         }
2043
2044         case LFUN_ESCAPE:
2045                 if (cur.selection()) {
2046                         cur.setSelection(false);
2047                 } else {
2048                         cur.undispatched();
2049                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
2050                         // correct, but I'm not 100% sure -- dov, 071019
2051                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
2052                 }
2053                 break;
2054
2055         case LFUN_OUTLINE_UP:
2056                 outline(OutlineUp, cur);
2057                 setCursor(cur, cur.pit(), 0);
2058                 cur.buffer()->updateLabels();
2059                 needsUpdate = true;
2060                 break;
2061
2062         case LFUN_OUTLINE_DOWN:
2063                 outline(OutlineDown, cur);
2064                 setCursor(cur, cur.pit(), 0);
2065                 cur.buffer()->updateLabels();
2066                 needsUpdate = true;
2067                 break;
2068
2069         case LFUN_OUTLINE_IN:
2070                 outline(OutlineIn, cur);
2071                 cur.buffer()->updateLabels();
2072                 needsUpdate = true;
2073                 break;
2074
2075         case LFUN_OUTLINE_OUT:
2076                 outline(OutlineOut, cur);
2077                 cur.buffer()->updateLabels();
2078                 needsUpdate = true;
2079                 break;
2080
2081         case LFUN_OUTLINE_DRAGMOVE: {
2082                 int const move_id = convert<int>(cmd.getArg(0));
2083                 int const move_to_id = convert<int>(cmd.getArg(1));
2084                 dragMove(cur, move_id, move_to_id);
2085                 setCursor(cur, cur.pit(), 0);
2086                 cur.buffer()->updateLabels();
2087                 needsUpdate = true;
2088                 break;
2089         }
2090
2091         default:
2092                 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
2093                 cur.undispatched();
2094                 break;
2095         }
2096
2097         if (lyxrc.spellcheck_continuously && cur.inTexted())
2098                 // Take this opportunity to spellcheck current word.
2099                 cur.paragraph().isMisspelled(cur.pos());
2100
2101         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
2102
2103         // FIXME: The cursor flag is reset two lines below
2104         // so we need to check here if some of the LFUN did touch that.
2105         // for now only Text::erase() and Text::backspace() do that.
2106         // The plan is to verify all the LFUNs and then to remove this
2107         // singleParUpdate boolean altogether.
2108         if (cur.result().update() & Update::Force) {
2109                 singleParUpdate = false;
2110                 needsUpdate = true;
2111         }
2112
2113         // FIXME: the following code should go in favor of fine grained
2114         // update flag treatment.
2115         if (singleParUpdate) {
2116                 // Inserting characters does not change par height in general. So, try
2117                 // to update _only_ this paragraph. BufferView will detect if a full
2118                 // metrics update is needed anyway.
2119                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
2120                 return;
2121         }
2122
2123         if (!needsUpdate
2124             && &oldTopSlice.inset() == &cur.inset()
2125             && oldTopSlice.idx() == cur.idx()
2126             && !sel // sel is a backup of cur.selection() at the biginning of the function.
2127             && !cur.selection())
2128                 // FIXME: it would be better if we could just do this
2129                 //
2130                 //if (cur.result().update() != Update::FitCursor)
2131                 //      cur.noUpdate();
2132                 //
2133                 // But some LFUNs do not set Update::FitCursor when needed, so we
2134                 // do it for all. This is not very harmfull as FitCursor will provoke
2135                 // a full redraw only if needed but still, a proper review of all LFUN
2136                 // should be done and this needsUpdate boolean can then be removed.
2137                 cur.updateFlags(Update::FitCursor);
2138         else
2139                 cur.updateFlags(Update::Force | Update::FitCursor);
2140 }
2141
2142
2143 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
2144                         FuncStatus & flag) const
2145 {
2146         LASSERT(cur.text() == this, /**/);
2147
2148         FontInfo const & fontinfo = cur.real_current_font.fontInfo();
2149         bool enable = true;
2150         InsetCode code = NO_CODE;
2151
2152         switch (cmd.action) {
2153
2154         case LFUN_DEPTH_DECREMENT:
2155                 enable = changeDepthAllowed(cur, DEC_DEPTH);
2156                 break;
2157
2158         case LFUN_DEPTH_INCREMENT:
2159                 enable = changeDepthAllowed(cur, INC_DEPTH);
2160                 break;
2161
2162         case LFUN_APPENDIX:
2163                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
2164                 break;
2165
2166         case LFUN_DIALOG_SHOW_NEW_INSET:
2167                 if (cmd.argument() == "bibitem")
2168                         code = BIBITEM_CODE;
2169                 else if (cmd.argument() == "bibtex") {
2170                         code = BIBTEX_CODE;
2171                         // not allowed in description items
2172                         enable = !inDescriptionItem(cur);
2173                 }
2174                 else if (cmd.argument() == "box")
2175                         code = BOX_CODE;
2176                 else if (cmd.argument() == "branch")
2177                         code = BRANCH_CODE;
2178                 else if (cmd.argument() == "citation")
2179                         code = CITE_CODE;
2180                 else if (cmd.argument() == "ert")
2181                         code = ERT_CODE;
2182                 else if (cmd.argument() == "external")
2183                         code = EXTERNAL_CODE;
2184                 else if (cmd.argument() == "float")
2185                         code = FLOAT_CODE;
2186                 else if (cmd.argument() == "graphics")
2187                         code = GRAPHICS_CODE;
2188                 else if (cmd.argument() == "href")
2189                         code = HYPERLINK_CODE;
2190                 else if (cmd.argument() == "include")
2191                         code = INCLUDE_CODE;
2192                 else if (cmd.argument() == "index")
2193                         code = INDEX_CODE;
2194                 else if (cmd.argument() == "index_print")
2195                         code = INDEX_PRINT_CODE;
2196                 else if (cmd.argument() == "nomenclature")
2197                         code = NOMENCL_CODE;
2198                 else if (cmd.argument() == "nomencl_print")
2199                         code = NOMENCL_PRINT_CODE;
2200                 else if (cmd.argument() == "label")
2201                         code = LABEL_CODE;
2202                 else if (cmd.argument() == "note")
2203                         code = NOTE_CODE;
2204                 else if (cmd.argument() == "phantom")
2205                         code = PHANTOM_CODE;
2206                 else if (cmd.argument() == "ref")
2207                         code = REF_CODE;
2208                 else if (cmd.argument() == "space")
2209                         code = SPACE_CODE;
2210                 else if (cmd.argument() == "toc")
2211                         code = TOC_CODE;
2212                 else if (cmd.argument() == "vspace")
2213                         code = VSPACE_CODE;
2214                 else if (cmd.argument() == "wrap")
2215                         code = WRAP_CODE;
2216                 else if (cmd.argument() == "listings")
2217                         code = LISTINGS_CODE;
2218                 break;
2219
2220         case LFUN_ERT_INSERT:
2221                 code = ERT_CODE;
2222                 break;
2223         case LFUN_LISTING_INSERT:
2224                 code = LISTINGS_CODE;
2225                 // not allowed in description items
2226                 enable = !inDescriptionItem(cur);
2227                 break;
2228         case LFUN_FOOTNOTE_INSERT:
2229                 code = FOOT_CODE;
2230                 break;
2231         case LFUN_TABULAR_INSERT:
2232                 code = TABULAR_CODE;
2233                 break;
2234         case LFUN_MARGINALNOTE_INSERT:
2235                 code = MARGIN_CODE;
2236                 break;
2237         case LFUN_FLOAT_INSERT:
2238         case LFUN_FLOAT_WIDE_INSERT:
2239                 code = FLOAT_CODE;
2240                 // not allowed in description items
2241                 enable = !inDescriptionItem(cur);
2242                 break;
2243         case LFUN_WRAP_INSERT:
2244                 code = WRAP_CODE;
2245                 // not allowed in description items
2246                 enable = !inDescriptionItem(cur);
2247                 break;
2248         case LFUN_FLOAT_LIST_INSERT:
2249                 code = FLOAT_LIST_CODE;
2250                 // not allowed in description items
2251                 enable = !inDescriptionItem(cur);
2252                 break;
2253         case LFUN_CAPTION_INSERT:
2254                 code = CAPTION_CODE;
2255                 // not allowed in description items
2256                 enable = !inDescriptionItem(cur);
2257                 break;
2258         case LFUN_NOTE_INSERT:
2259                 code = NOTE_CODE;
2260                 // in commands (sections etc.) and description items,
2261                 // only Notes are allowed
2262                 enable = (cmd.argument().empty() || cmd.getArg(0) == "Note" ||
2263                           (!cur.paragraph().layout().isCommand()
2264                            && !inDescriptionItem(cur)));
2265                 break;
2266         case LFUN_FLEX_INSERT: {
2267                 code = FLEX_CODE;
2268                 string s = cmd.getArg(0);
2269                 InsetLayout il =
2270                         cur.buffer()->params().documentClass().insetLayout(from_utf8(s));
2271                 if (il.lyxtype() != InsetLayout::CHARSTYLE &&
2272                     il.lyxtype() != InsetLayout::CUSTOM &&
2273                     il.lyxtype() != InsetLayout::ELEMENT &&
2274                     il.lyxtype ()!= InsetLayout::STANDARD)
2275                         enable = false;
2276                 break;
2277                 }
2278         case LFUN_BOX_INSERT:
2279                 code = BOX_CODE;
2280                 break;
2281         case LFUN_BRANCH_INSERT:
2282                 code = BRANCH_CODE;
2283                 if (cur.buffer()->masterBuffer()->params().branchlist().empty()
2284                     && cur.buffer()->params().branchlist().empty())
2285                         enable = false;
2286                 break;
2287         case LFUN_PHANTOM_INSERT:
2288                 code = PHANTOM_CODE;
2289                 break;
2290         case LFUN_LABEL_INSERT:
2291                 code = LABEL_CODE;
2292                 break;
2293         case LFUN_INFO_INSERT:
2294                 code = INFO_CODE;
2295                 break;
2296         case LFUN_OPTIONAL_INSERT:
2297                 code = OPTARG_CODE;
2298                 enable = cur.paragraph().insetList().count(OPTARG_CODE)
2299                         < cur.paragraph().layout().optionalargs;
2300                 break;
2301         case LFUN_INDEX_INSERT:
2302                 code = INDEX_CODE;
2303                 break;
2304         case LFUN_INDEX_PRINT:
2305                 code = INDEX_PRINT_CODE;
2306                 // not allowed in description items
2307                 enable = !inDescriptionItem(cur);
2308                 break;
2309         case LFUN_NOMENCL_INSERT:
2310                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2311                         enable = false;
2312                         break;
2313                 }
2314                 code = NOMENCL_CODE;
2315                 break;
2316         case LFUN_NOMENCL_PRINT:
2317                 code = NOMENCL_PRINT_CODE;
2318                 // not allowed in description items
2319                 enable = !inDescriptionItem(cur);
2320                 break;
2321         case LFUN_TOC_INSERT:
2322                 code = TOC_CODE;
2323                 // not allowed in description items
2324                 enable = !inDescriptionItem(cur);
2325                 break;
2326         case LFUN_HYPERLINK_INSERT:
2327                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2328                         enable = false;
2329                         break;
2330                 }
2331                 code = HYPERLINK_CODE;
2332                 break;
2333         case LFUN_QUOTE_INSERT:
2334                 // always allow this, since we will inset a raw quote
2335                 // if an inset is not allowed.
2336                 break;
2337         case LFUN_SPECIALCHAR_INSERT:
2338                 code = SPECIALCHAR_CODE;
2339                 break;
2340         case LFUN_SPACE_INSERT:
2341                 // slight hack: we know this is allowed in math mode
2342                 if (cur.inTexted())
2343                         code = SPACE_CODE;
2344                 break;
2345
2346         case LFUN_INSET_MODIFY:
2347                 // We need to disable this, because we may get called for a
2348                 // tabular cell via
2349                 // InsetTabular::getStatus() -> InsetText::getStatus()
2350                 // and we don't handle LFUN_INSET_MODIFY.
2351                 enable = false;
2352                 break;
2353
2354         case LFUN_FONT_EMPH:
2355                 flag.setOnOff(fontinfo.emph() == FONT_ON);
2356                 break;
2357
2358         case LFUN_FONT_ITAL:
2359                 flag.setOnOff(fontinfo.shape() == ITALIC_SHAPE);
2360                 break;
2361
2362         case LFUN_FONT_NOUN:
2363                 flag.setOnOff(fontinfo.noun() == FONT_ON);
2364                 break;
2365
2366         case LFUN_FONT_BOLD:
2367         case LFUN_FONT_BOLDSYMBOL:
2368                 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
2369                 break;
2370
2371         case LFUN_FONT_SANS:
2372                 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
2373                 break;
2374
2375         case LFUN_FONT_ROMAN:
2376                 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
2377                 break;
2378
2379         case LFUN_FONT_TYPEWRITER:
2380                 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2381                 break;
2382
2383         case LFUN_CUT:
2384         case LFUN_COPY:
2385                 enable = cur.selection();
2386                 break;
2387
2388         case LFUN_PASTE: {
2389                 if (cmd.argument().empty()) {
2390                         if (theClipboard().isInternal())
2391                                 enable = cap::numberOfSelections() > 0;
2392                         else
2393                                 enable = !theClipboard().empty();
2394                         break;
2395                 }
2396
2397                 // we have an argument
2398                 string const arg = to_utf8(cmd.argument());
2399                 if (isStrUnsignedInt(arg)) {
2400                         // it's a number and therefore means the internal stack
2401                         unsigned int n = convert<unsigned int>(arg);
2402                         enable = cap::numberOfSelections() > n;
2403                         break;
2404                 }
2405
2406                 // explicit graphics type?
2407                 Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
2408                 if ((arg == "pdf" && (type = Clipboard::PdfGraphicsType))
2409                           || (arg == "png" && (type = Clipboard::PngGraphicsType))
2410                           || (arg == "jpeg" && (type = Clipboard::JpegGraphicsType))
2411                           || (arg == "linkback" &&  (type = Clipboard::LinkBackGraphicsType))
2412                           || (arg == "emf" &&  (type = Clipboard::EmfGraphicsType))
2413                           || (arg == "wmf" &&  (type = Clipboard::WmfGraphicsType))) {
2414                         enable = theClipboard().hasGraphicsContents(type);
2415                         break;
2416                 }
2417
2418                 // unknown argument
2419                 enable = false;
2420                 break;
2421          }
2422
2423         case LFUN_CLIPBOARD_PASTE:
2424                 enable = !theClipboard().empty();
2425                 break;
2426
2427         case LFUN_PRIMARY_SELECTION_PASTE:
2428                 enable = cur.selection() || !theSelection().empty();
2429                 break;
2430
2431         case LFUN_SELECTION_PASTE:
2432                 enable = cap::selection();
2433                 break;
2434
2435         case LFUN_PARAGRAPH_MOVE_UP:
2436                 enable = cur.pit() > 0 && !cur.selection();
2437                 break;
2438
2439         case LFUN_PARAGRAPH_MOVE_DOWN:
2440                 enable = cur.pit() < cur.lastpit() && !cur.selection();
2441                 break;
2442
2443         case LFUN_INSET_DISSOLVE:
2444                 if (!cmd.argument().empty()) {
2445                         InsetLayout const & il = cur.inset().getLayout(cur.buffer()->params());
2446                         InsetLayout::InsetLyXType const type =
2447                                         translateLyXType(to_utf8(cmd.argument()));
2448                         enable = cur.inset().lyxCode() == FLEX_CODE
2449                                  && il.lyxtype() == type;
2450                 } else {
2451                         enable = ((!isMainText(cur.bv().buffer())
2452                                       && cur.inset().nargs() == 1)
2453                                   || (cur.nextInset()
2454                                       && cur.nextInset()->nargs() == 1));
2455                 }
2456                 break;
2457
2458         case LFUN_CHANGE_ACCEPT:
2459         case LFUN_CHANGE_REJECT:
2460                 // In principle, these LFUNs should only be enabled if there
2461                 // is a change at the current position/in the current selection.
2462                 // However, without proper optimizations, this will inevitably
2463                 // result in unacceptable performance - just imagine a user who
2464                 // wants to select the complete content of a long document.
2465                 if (!cur.selection()) {
2466                         Change const & change = cur.paragraph().lookupChange(cur.pos());
2467                         enable = change.changed();
2468                 } else
2469                         // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2470                         // for selections.
2471                         enable = true;
2472                 break;
2473
2474         case LFUN_OUTLINE_UP:
2475         case LFUN_OUTLINE_DOWN:
2476         case LFUN_OUTLINE_IN:
2477         case LFUN_OUTLINE_OUT:
2478         case LFUN_OUTLINE_DRAGMOVE:
2479                 // FIXME: LyX is not ready for outlining within inset.
2480                 enable = isMainText(cur.bv().buffer())
2481                         && cur.paragraph().layout().toclevel != Layout::NOT_IN_TOC;
2482                 break;
2483
2484         case LFUN_NEWLINE_INSERT:
2485                 // LaTeX restrictions (labels or empty par)
2486                 enable = (cur.pos() > cur.paragraph().beginOfBody());
2487                 break;
2488
2489         case LFUN_SET_GRAPHICS_GROUP: {
2490                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
2491                 if (!ins)
2492                         enable = false;
2493                 else
2494                         flag.setOnOff(to_utf8(cmd.argument()) == ins->getParams().groupId);
2495                 break;
2496         }
2497
2498         case LFUN_NEWPAGE_INSERT:
2499                 // not allowed in description items
2500                 enable = !inDescriptionItem(cur);
2501                 break;
2502
2503         case LFUN_MATH_INSERT:
2504         case LFUN_MATH_MATRIX:
2505         case LFUN_MATH_DELIM:
2506         case LFUN_MATH_BIGDELIM:
2507                 // not allowed in ERT, for example.
2508                 enable = cur.inset().insetAllowed(MATH_CODE);
2509                 break;
2510
2511         case LFUN_DATE_INSERT: {
2512                 string const format = cmd.argument().empty()
2513                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
2514                 enable = support::os::is_valid_strftime(format);
2515                 break;
2516         }
2517
2518         case LFUN_WORD_DELETE_FORWARD:
2519         case LFUN_WORD_DELETE_BACKWARD:
2520         case LFUN_LINE_DELETE:
2521         case LFUN_WORD_FORWARD:
2522         case LFUN_WORD_BACKWARD:
2523         case LFUN_WORD_RIGHT:
2524         case LFUN_WORD_LEFT:
2525         case LFUN_CHAR_FORWARD:
2526         case LFUN_CHAR_FORWARD_SELECT:
2527         case LFUN_CHAR_BACKWARD:
2528         case LFUN_CHAR_BACKWARD_SELECT:
2529         case LFUN_CHAR_LEFT:
2530         case LFUN_CHAR_LEFT_SELECT:
2531         case LFUN_CHAR_RIGHT:
2532         case LFUN_CHAR_RIGHT_SELECT:
2533         case LFUN_UP:
2534         case LFUN_UP_SELECT:
2535         case LFUN_DOWN:
2536         case LFUN_DOWN_SELECT:
2537         case LFUN_PARAGRAPH_UP_SELECT:
2538         case LFUN_PARAGRAPH_DOWN_SELECT:
2539         case LFUN_LINE_BEGIN_SELECT:
2540         case LFUN_LINE_END_SELECT:
2541         case LFUN_WORD_FORWARD_SELECT:
2542         case LFUN_WORD_BACKWARD_SELECT:
2543         case LFUN_WORD_RIGHT_SELECT:
2544         case LFUN_WORD_LEFT_SELECT:
2545         case LFUN_WORD_SELECT:
2546         case LFUN_SECTION_SELECT:
2547         case LFUN_PARAGRAPH_UP:
2548         case LFUN_PARAGRAPH_DOWN:
2549         case LFUN_LINE_BEGIN:
2550         case LFUN_LINE_END:
2551         case LFUN_CHAR_DELETE_FORWARD:
2552         case LFUN_CHAR_DELETE_BACKWARD:
2553         case LFUN_BREAK_PARAGRAPH:
2554         case LFUN_PARAGRAPH_SPACING:
2555         case LFUN_INSET_INSERT:
2556         case LFUN_WORD_UPCASE:
2557         case LFUN_WORD_LOWCASE:
2558         case LFUN_WORD_CAPITALIZE:
2559         case LFUN_CHARS_TRANSPOSE:
2560         case LFUN_SERVER_GET_XY:
2561         case LFUN_SERVER_SET_XY:
2562         case LFUN_SERVER_GET_LAYOUT:
2563         case LFUN_LAYOUT:
2564         case LFUN_SELF_INSERT:
2565         case LFUN_LINE_INSERT:
2566         case LFUN_MATH_DISPLAY:
2567         case LFUN_MATH_MODE:
2568         case LFUN_MATH_MACRO:
2569         case LFUN_MATH_SUBSCRIPT:
2570         case LFUN_MATH_SUPERSCRIPT:
2571         case LFUN_FONT_DEFAULT:
2572         case LFUN_FONT_UNDERLINE:
2573         case LFUN_FONT_STRIKEOUT:
2574         case LFUN_FONT_UULINE:
2575         case LFUN_FONT_UWAVE:
2576         case LFUN_FONT_SIZE:
2577         case LFUN_LANGUAGE:
2578         case LFUN_TEXTSTYLE_APPLY:
2579         case LFUN_TEXTSTYLE_UPDATE:
2580         case LFUN_LAYOUT_PARAGRAPH:
2581         case LFUN_PARAGRAPH_UPDATE:
2582         case LFUN_ACCENT_UMLAUT:
2583         case LFUN_ACCENT_CIRCUMFLEX:
2584         case LFUN_ACCENT_GRAVE:
2585         case LFUN_ACCENT_ACUTE:
2586         case LFUN_ACCENT_TILDE:
2587         case LFUN_ACCENT_CEDILLA:
2588         case LFUN_ACCENT_MACRON:
2589         case LFUN_ACCENT_DOT:
2590         case LFUN_ACCENT_UNDERDOT:
2591         case LFUN_ACCENT_UNDERBAR:
2592         case LFUN_ACCENT_CARON:
2593         case LFUN_ACCENT_BREVE:
2594         case LFUN_ACCENT_TIE:
2595         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2596         case LFUN_ACCENT_CIRCLE:
2597         case LFUN_ACCENT_OGONEK:
2598         case LFUN_THESAURUS_ENTRY:
2599         case LFUN_PARAGRAPH_PARAMS_APPLY:
2600         case LFUN_PARAGRAPH_PARAMS:
2601         case LFUN_ESCAPE:
2602         case LFUN_BUFFER_BEGIN:
2603         case LFUN_BUFFER_END:
2604         case LFUN_BUFFER_BEGIN_SELECT:
2605         case LFUN_BUFFER_END_SELECT:
2606         case LFUN_INSET_BEGIN:
2607         case LFUN_INSET_END:
2608         case LFUN_INSET_BEGIN_SELECT:
2609         case LFUN_INSET_END_SELECT:
2610         case LFUN_UNICODE_INSERT:
2611                 // these are handled in our dispatch()
2612                 enable = true;
2613                 break;
2614
2615         default:
2616                 return false;
2617         }
2618
2619         if (code != NO_CODE
2620             && (cur.empty() || !cur.inset().insetAllowed(code)))
2621                 enable = false;
2622
2623         flag.setEnabled(enable);
2624         return true;
2625 }
2626
2627
2628 void Text::pasteString(Cursor & cur, docstring const & clip,
2629                 bool asParagraphs)
2630 {
2631         cur.clearSelection();
2632         if (!clip.empty()) {
2633                 cur.recordUndo();
2634                 if (asParagraphs)
2635                         insertStringAsParagraphs(cur, clip);
2636                 else
2637                         insertStringAsLines(cur, clip);
2638         }
2639 }
2640
2641
2642 // FIXME: an item inset would make things much easier.
2643 bool Text::inDescriptionItem(Cursor & cur) const
2644 {
2645         Paragraph & par = cur.paragraph();
2646         pos_type const pos = cur.pos();
2647         pos_type const body_pos = par.beginOfBody();
2648
2649         if (par.layout().latextype != LATEX_LIST_ENVIRONMENT
2650             && (par.layout().latextype != LATEX_ITEM_ENVIRONMENT
2651                 || par.layout().margintype != MARGIN_FIRST_DYNAMIC))
2652                 return false;
2653
2654         return (pos < body_pos
2655                 || (pos == body_pos
2656                     && (pos == 0 || par.getChar(pos - 1) != ' ')));
2657 }
2658
2659 } // namespace lyx