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         cur.recordUndo();
 237         if (cmd.action == LFUN_INDEX_INSERT) {
 238                 docstring ds = subst(text->getStringToIndex(cur), '\n', ' ');
 239                 text->insertInset(cur, inset);
 240                 if (edit)
 241                         inset->edit(cur, true);
 242                 // Now put this into inset
 243                 cur.text()->insertStringAsLines(cur, ds);
 244                 cur.leaveInset(*inset);
 245                 return true;
 246         }
 247
 248         bool gotsel = false;
 249         if (cur.selection()) {
 250                 cutSelection(cur, false, pastesel);
 251                 cur.clearSelection();
 252                 gotsel = true;
 253         }
 254         text->insertInset(cur, inset);
 255
 256         if (edit)
 257                 inset->edit(cur, true);
 258
 259         if (!gotsel || !pastesel)
 260                 return true;
 261
 262         pasteFromStack(cur, cur.buffer()->errorList("Paste"), 0);
 263         cur.buffer()->errors("Paste");
 264         cur.clearSelection(); // bug 393
 265         cur.finishUndo();
 266         InsetText * insetText = dynamic_cast<InsetText *>(inset);
 267         if (insetText && (!insetText->allowMultiPar() || cur.lastpit() == 0)) {
 268                 // reset first par to default
 269                 cur.text()->paragraphs().begin()
 270                         ->setPlainOrDefaultLayout(bparams.documentClass());
 271                 cur.pos() = 0;
 272                 cur.pit() = 0;
 273                 // Merge multiple paragraphs -- hack
 274                 while (cur.lastpit() > 0)
 275                         mergeParagraph(bparams, cur.text()->paragraphs(), 0);
 276                 cur.leaveInset(*inset);
 277         } else {
 278                 cur.leaveInset(*inset);
 279                 // reset surrounding par to default
 280                 DocumentClass const & dc = bparams.documentClass();
 281                 docstring const layoutname = inset->usePlainLayout()
 282                         ? dc.plainLayoutName()
 283                         : dc.defaultLayoutName();
 284                 text->setLayout(cur, layoutname);
 285         }
 286
 287         return true;
 288 }
 289
 290
 291 string const freefont2string()
 292 {
 293         return freefont.toString(toggleall);
 294 }
 295
 296
 297 static void dragMove(Cursor & cur, int moveid, int movetoid)
 298 {
 299         // Create pointers to buffers
 300         Buffer & buf_move = *cur.buffer();
 301         DocIterator dit_move = buf_move.getParFromID(moveid);
 302         DocIterator dit_dest = buf_move.getParFromID(movetoid);
 303
 304         pit_type & pit_move = dit_move.pit();
 305         pit_type & pit_dest = dit_dest.pit();
 306         ParagraphList & pars = dit_move.text()->paragraphs();
 307
 308         // Create references to the paragraphs to be moved
 309         ParagraphList::iterator const bgn = pars.begin();
 310         ParagraphList::iterator dest_start = boost::next(bgn, pit_dest);
 311
 312         // The first paragraph of the area to be copied:
 313         ParagraphList::iterator start = boost::next(bgn, pit_move);
 314         // The final paragraph of area to be copied:
 315         ParagraphList::iterator finish = start;
 316         ParagraphList::iterator const end = pars.end();
 317
 318         // Move out (down) from this section header
 319         if (finish != end)
 320                 ++finish;
 321
 322         // Seek the one (on same level) below
 323         int const thistoclevel = start->layout().toclevel;
 324         for (; finish != end; ++finish) {
 325                 int const toclevel = finish->layout().toclevel;
 326                 if (toclevel != Layout::NOT_IN_TOC
 327                     && toclevel <= thistoclevel)
 328                         break;
 329         }
 330
 331         if (start == pars.begin() || start == dest_start)
 332                 // Nothing to move
 333                 return;
 334
 335         pars.insert(dest_start, start, finish);
 336         pars.erase(start, finish);
 337
 338         // FIXME: This only really needs doing for the newly
 339         // introduced paragraphs. Something like:
 340         //      pit_type const numpars = distance(start, finish);
 341         //      start = boost::next(bgn, pit);
 342         //      finish = boost::next(start, numpars);
 343         //      for (; start != finish; ++start)
 344         //              start->setBuffer(buf);
 345         // But while this seems to work, it is kind of fragile.
 346         buf_move.inset().setBuffer(buf_move);
 347 }
 348
 349
 350 /// the type of outline operation
 351 enum OutlineOp {
 352         OutlineUp, // Move this header with text down
 353         OutlineDown,   // Move this header with text up
 354         OutlineIn, // Make this header deeper
 355         OutlineOut // Make this header shallower
 356 };
 357
 358
 359 static void outline(OutlineOp mode, Cursor & cur)
 360 {
 361         Buffer & buf = *cur.buffer();
 362         pit_type & pit = cur.pit();
 363         ParagraphList & pars = buf.text().paragraphs();
 364         ParagraphList::iterator const bgn = pars.begin();
 365         // The first paragraph of the area to be copied:
 366         ParagraphList::iterator start = boost::next(bgn, pit);
 367         // The final paragraph of area to be copied:
 368         ParagraphList::iterator finish = start;
 369         ParagraphList::iterator const end = pars.end();
 370
 371         DocumentClass const & tc = buf.params().documentClass();
 372
 373         int const thistoclevel = start->layout().toclevel;
 374         int toclevel;
 375
 376         // Move out (down) from this section header
 377         if (finish != end)
 378                 ++finish;
 379
 380         // Seek the one (on same level) below
 381         for (; finish != end; ++finish) {
 382                 toclevel = finish->layout().toclevel;
 383                 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 384                         break;
 385         }
 386
 387         // Do we need to set insets' buffer_ members, because we copied
 388         // some stuff? We'll assume we do and reset it otherwise.
 389         bool set_buffers = true;
 390
 391         switch (mode) {
 392                 case OutlineUp: {
 393                         if (start == pars.begin())
 394                                 // Nothing to move.
 395                                 return;
 396                         ParagraphList::iterator dest = start;
 397                         // Move out (up) from this header
 398                         if (dest == bgn)
 399                                 return;
 400                         // Search previous same-level header above
 401                         do {
 402                                 --dest;
 403                                 toclevel = dest->layout().toclevel;
 404                         } while(dest != bgn
 405                                 && (toclevel == Layout::NOT_IN_TOC
 406                                     || toclevel > thistoclevel));
 407                         // Not found; do nothing
 408                         if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
 409                                 return;
 410                         pit_type const newpit = distance(bgn, dest);
 411                         pit_type const len = distance(start, finish);
 412                         pit_type const deletepit = pit + len;
 413                         buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
 414                         pars.insert(dest, start, finish);
 415                         start = boost::next(pars.begin(), deletepit);
 416                         pit = newpit;
 417                         pars.erase(start, finish);
 418                         break;
 419                 }
 420                 case OutlineDown: {
 421                         if (finish == end)
 422                                 // Nothing to move.
 423                                 return;
 424                         // Go one down from *this* header:
 425                         ParagraphList::iterator dest = boost::next(finish, 1);
 426                         // Go further down to find header to insert in front of:
 427                         for (; dest != end; ++dest) {
 428                                 toclevel = dest->layout().toclevel;
 429                                 if (toclevel != Layout::NOT_IN_TOC
 430                                       && toclevel <= thistoclevel)
 431                                         break;
 432                         }
 433                         // One such was found:
 434                         pit_type newpit = distance(bgn, dest);
 435                         pit_type const len = distance(start, finish);
 436                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
 437                         pars.insert(dest, start, finish);
 438                         start = boost::next(bgn, pit);
 439                         pit = newpit - len;
 440                         pars.erase(start, finish);
 441                         break;
 442                 }
 443                 case OutlineIn: {
 444                         pit_type const len = distance(start, finish);
 445                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 446                         for (; start != finish; ++start) {
 447                                 toclevel = start->layout().toclevel;
 448                                 if (toclevel == Layout::NOT_IN_TOC)
 449                                         continue;
 450                                 DocumentClass::const_iterator lit = tc.begin();
 451                                 DocumentClass::const_iterator len = tc.end();
 452                                 for (; lit != len; ++lit) {
 453                                         if (lit->toclevel == toclevel + 1 &&
 454                                             start->layout().labeltype == lit->labeltype) {
 455                                                 start->setLayout(*lit);
 456                                                 break;
 457                                         }
 458                                 }
 459                         }
 460                         set_buffers = false;
 461                         break;
 462                 }
 463                 case OutlineOut: {
 464                         pit_type const len = distance(start, finish);
 465                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 466                         for (; start != finish; ++start) {
 467                                 toclevel = start->layout().toclevel;
 468                                 if (toclevel == Layout::NOT_IN_TOC)
 469                                         continue;
 470                                 DocumentClass::const_iterator lit = tc.begin();
 471                                 DocumentClass::const_iterator len = tc.end();
 472                                 for (; lit != len; ++lit) {
 473                                         if (lit->toclevel == toclevel - 1 &&
 474                                                 start->layout().labeltype == lit->labeltype) {
 475                                                         start->setLayout(*lit);
 476                                                         break;
 477                                         }
 478                                 }
 479                         }
 480                         set_buffers = false;
 481                         break;
 482                 }
 483         }
 484         if (set_buffers)
 485                 // FIXME This only really needs doing for the newly introduced
 486                 // paragraphs. Something like:
 487                 //      pit_type const numpars = distance(start, finish);
 488                 //      start = boost::next(bgn, pit);
 489                 //      finish = boost::next(start, numpars);
 490                 //      for (; start != finish; ++start)
 491                 //              start->setBuffer(buf);
 492                 // But while this seems to work, it is kind of fragile.
 493                 buf.inset().setBuffer(buf);
 494 }
 495
 496
 497 void Text::number(Cursor & cur)
 498 {
 499         FontInfo font = ignore_font;
 500         font.setNumber(FONT_TOGGLE);
 501         toggleAndShow(cur, this, Font(font, ignore_language));
 502 }
 503
 504
 505 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 506 {
 507         return par.isRTL(buffer.params());
 508 }
 509
 510
 511 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 512 {
 513         LYXERR(Debug::ACTION, "Text::dispatch: cmd: " << cmd);
 514
 515         // Dispatch if the cursor is inside the text. It is not the
 516         // case for context menus (bug 5797).
 517         if (cur.text() != this) {
 518                 cur.undispatched();
 519                 return;
 520         }
 521
 522         BufferView * bv = &cur.bv();
 523         TextMetrics * tm = &bv->textMetrics(this);
 524         if (!tm->contains(cur.pit())) {
 525                 lyx::dispatch(FuncRequest(LFUN_SCREEN_SHOW_CURSOR));
 526                 tm = &bv->textMetrics(this);
 527         }
 528
 529         // FIXME: We use the update flag to indicates wether a singlePar or a
 530         // full screen update is needed. We reset it here but shall we restore it
 531         // at the end?
 532         cur.noUpdate();
 533
 534         LASSERT(cur.text() == this, /**/);
 535         CursorSlice oldTopSlice = cur.top();
 536         bool oldBoundary = cur.boundary();
 537         bool sel = cur.selection();
 538         // Signals that, even if needsUpdate == false, an update of the
 539         // cursor paragraph is required
 540         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 541                 LyXAction::SingleParUpdate);
 542         // Signals that a full-screen update is required
 543         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 544                 LyXAction::NoUpdate) || singleParUpdate);
 545
 546         switch (cmd.action) {
 547
 548         case LFUN_PARAGRAPH_MOVE_DOWN: {
 549                 pit_type const pit = cur.pit();
 550                 recUndo(cur, pit, pit + 1);
 551                 cur.finishUndo();
 552                 swap(pars_[pit], pars_[pit + 1]);
 553                 cur.buffer()->updateLabels();
 554                 needsUpdate = true;
 555                 ++cur.pit();
 556                 break;
 557         }
 558
 559         case LFUN_PARAGRAPH_MOVE_UP: {
 560                 pit_type const pit = cur.pit();
 561                 recUndo(cur, pit - 1, pit);
 562                 cur.finishUndo();
 563                 swap(pars_[pit], pars_[pit - 1]);
 564                 cur.buffer()->updateLabels();
 565                 --cur.pit();
 566                 needsUpdate = true;
 567                 break;
 568         }
 569
 570         case LFUN_APPENDIX: {
 571                 Paragraph & par = cur.paragraph();
 572                 bool start = !par.params().startOfAppendix();
 573
 574 // FIXME: The code below only makes sense at top level.
 575 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 576                 // ensure that we have only one start_of_appendix in this document
 577                 // FIXME: this don't work for multipart document!
 578                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 579                         if (pars_[tmp].params().startOfAppendix()) {
 580                                 recUndo(cur, tmp);
 581                                 pars_[tmp].params().startOfAppendix(false);
 582                                 break;
 583                         }
 584                 }
 585
 586                 cur.recordUndo();
 587                 par.params().startOfAppendix(start);
 588
 589                 // we can set the refreshing parameters now
 590                 cur.buffer()->updateLabels();
 591                 break;
 592         }
 593
 594         case LFUN_WORD_DELETE_FORWARD:
 595                 if (cur.selection())
 596                         cutSelection(cur, true, false);
 597                 else
 598                         deleteWordForward(cur);
 599                 finishChange(cur, false);
 600                 break;
 601
 602         case LFUN_WORD_DELETE_BACKWARD:
 603                 if (cur.selection())
 604                         cutSelection(cur, true, false);
 605                 else
 606                         deleteWordBackward(cur);
 607                 finishChange(cur, false);
 608                 break;
 609
 610         case LFUN_LINE_DELETE:
 611                 if (cur.selection())
 612                         cutSelection(cur, true, false);
 613                 else
 614                         tm->deleteLineForward(cur);
 615                 finishChange(cur, false);
 616                 break;
 617
 618         case LFUN_BUFFER_BEGIN:
 619         case LFUN_BUFFER_BEGIN_SELECT:
 620                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 621                 if (cur.depth() == 1)
 622                         needsUpdate |= cursorTop(cur);
 623                 else
 624                         cur.undispatched();
 625                 cur.updateFlags(Update::FitCursor);
 626                 break;
 627
 628         case LFUN_BUFFER_END:
 629         case LFUN_BUFFER_END_SELECT:
 630                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 631                 if (cur.depth() == 1)
 632                         needsUpdate |= cursorBottom(cur);
 633                 else
 634                         cur.undispatched();
 635                 cur.updateFlags(Update::FitCursor);
 636                 break;
 637
 638         case LFUN_INSET_BEGIN:
 639         case LFUN_INSET_BEGIN_SELECT:
 640                 needsUpdate |= cur.selHandle(cmd.action == LFUN_INSET_BEGIN_SELECT);
 641                 if (cur.depth() == 1 || cur.pos() > 0)
 642                         needsUpdate |= cursorTop(cur);
 643                 else
 644                         cur.undispatched();
 645                 cur.updateFlags(Update::FitCursor);
 646                 break;
 647
 648         case LFUN_INSET_END:
 649         case LFUN_INSET_END_SELECT:
 650                 needsUpdate |= cur.selHandle(cmd.action == LFUN_INSET_END_SELECT);
 651                 if (cur.depth() == 1 || cur.pos() < cur.lastpos())
 652                         needsUpdate |= cursorBottom(cur);
 653                 else
 654                         cur.undispatched();
 655                 cur.updateFlags(Update::FitCursor);
 656                 break;
 657
 658         case LFUN_CHAR_FORWARD:
 659         case LFUN_CHAR_FORWARD_SELECT:
 660                 //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
 661                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 662                 needsUpdate |= cursorForward(cur);
 663
 664                 if (!needsUpdate && oldTopSlice == cur.top()
 665                                 && cur.boundary() == oldBoundary) {
 666                         cur.undispatched();
 667                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 668
 669                         // we will probably be moving out the inset, so we should execute
 670                         // the depm-mechanism, but only when the cursor has a place to
 671                         // go outside this inset, i.e. in a slice above.
 672                         if (cur.depth() > 1 && cur.pos() == cur.lastpos()
 673                                   && cur.pit() == cur.lastpit()) {
 674                                 // The cursor hasn't changed yet. To give the
 675                                 // DEPM the possibility of doing something we must
 676                                 // provide it with two different cursors.
 677                                 Cursor dummy = cur;
 678                                 dummy.pos() = dummy.pit() = 0;
 679                                 cur.bv().checkDepm(dummy, cur);
 680                         }
 681                 }
 682                 break;
 683
 684         case LFUN_CHAR_BACKWARD:
 685         case LFUN_CHAR_BACKWARD_SELECT:
 686                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 687                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 688                 needsUpdate |= cursorBackward(cur);
 689
 690                 if (!needsUpdate && oldTopSlice == cur.top()
 691                         && cur.boundary() == oldBoundary) {
 692                         cur.undispatched();
 693                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 694
 695                         // we will probably be moving out the inset, so we should execute
 696                         // the depm-mechanism, but only when the cursor has a place to
 697                         // go outside this inset, i.e. in a slice above.
 698                         if (cur.depth() > 1 && cur.pos() == 0 && cur.pit() == 0) {
 699                                 // The cursor hasn't changed yet. To give the
 700                                 // DEPM the possibility of doing something we must
 701                                 // provide it with two different cursors.
 702                                 Cursor dummy = cur;
 703                                 dummy.pos() = cur.lastpos();
 704                                 dummy.pit() = cur.lastpit();
 705                                 cur.bv().checkDepm(dummy, cur);
 706                         }
 707                 }
 708                 break;
 709
 710         case LFUN_CHAR_LEFT:
 711         case LFUN_CHAR_LEFT_SELECT:
 712                 if (lyxrc.visual_cursor) {
 713                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_LEFT_SELECT);
 714                         needsUpdate |= cursorVisLeft(cur);
 715                         if (!needsUpdate && oldTopSlice == cur.top()
 716                                         && cur.boundary() == oldBoundary) {
 717                                 cur.undispatched();
 718                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 719                         }
 720                 } else {
 721                         if (reverseDirectionNeeded(cur)) {
 722                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 723                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 724                         } else {
 725                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 726                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 727                         }
 728                         dispatch(cur, cmd);
 729                         return;
 730                 }
 731                 break;
 732
 733         case LFUN_CHAR_RIGHT:
 734         case LFUN_CHAR_RIGHT_SELECT:
 735                 if (lyxrc.visual_cursor) {
 736                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_RIGHT_SELECT);
 737                         needsUpdate |= cursorVisRight(cur);
 738                         if (!needsUpdate && oldTopSlice == cur.top()
 739                                         && cur.boundary() == oldBoundary) {
 740                                 cur.undispatched();
 741                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 742                         }
 743                 } else {
 744                         if (reverseDirectionNeeded(cur)) {
 745                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 746                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 747                         } else {
 748                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 749                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 750                         }
 751                         dispatch(cur, cmd);
 752                         return;
 753                 }
 754                 break;
 755
 756
 757         case LFUN_UP_SELECT:
 758         case LFUN_DOWN_SELECT:
 759         case LFUN_UP:
 760         case LFUN_DOWN: {
 761                 // stop/start the selection
 762                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 763                         cmd.action == LFUN_UP_SELECT;
 764
 765                 // move cursor up/down
 766                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 767                 bool const atFirstOrLastRow = cur.atFirstOrLastRow(up);
 768
 769                 if (!atFirstOrLastRow) {
 770                         needsUpdate |= cur.selHandle(select);
 771                         cur.selHandle(select);
 772                         cur.upDownInText(up, needsUpdate);
 773                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 774                 } else {
 775                         // if the cursor cannot be moved up or down do not remove
 776                         // the selection right now, but wait for the next dispatch.
 777                         if (select)
 778                                 needsUpdate |= cur.selHandle(select);
 779                         cur.upDownInText(up, needsUpdate);
 780                         cur.undispatched();
 781                 }
 782
 783                 break;
 784         }
 785
 786         case LFUN_PARAGRAPH_UP:
 787         case LFUN_PARAGRAPH_UP_SELECT:
 788                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 789                 needsUpdate |= cursorUpParagraph(cur);
 790                 break;
 791
 792         case LFUN_PARAGRAPH_DOWN:
 793         case LFUN_PARAGRAPH_DOWN_SELECT:
 794                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 795                 needsUpdate |= cursorDownParagraph(cur);
 796                 break;
 797
 798         case LFUN_LINE_BEGIN:
 799         case LFUN_LINE_BEGIN_SELECT:
 800                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 801                 needsUpdate |= tm->cursorHome(cur);
 802                 break;
 803
 804         case LFUN_LINE_END:
 805         case LFUN_LINE_END_SELECT:
 806                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 807                 needsUpdate |= tm->cursorEnd(cur);
 808                 break;
 809
 810         case LFUN_SECTION_SELECT: {
 811                 Buffer const & buf = *cur.buffer();
 812                 pit_type const pit = cur.pit();
 813                 ParagraphList & pars = buf.text().paragraphs();
 814                 ParagraphList::iterator bgn = pars.begin();
 815                 // The first paragraph of the area to be selected:
 816                 ParagraphList::iterator start = boost::next(bgn, pit);
 817                 // The final paragraph of area to be selected:
 818                 ParagraphList::iterator finish = start;
 819                 ParagraphList::iterator end = pars.end();
 820
 821                 int const thistoclevel = start->layout().toclevel;
 822                 if (thistoclevel == Layout::NOT_IN_TOC)
 823                         break;
 824
 825                 cur.pos() = 0;
 826                 Cursor const old_cur = cur;
 827                 needsUpdate |= cur.selHandle(true);
 828
 829                 // Move out (down) from this section header
 830                 if (finish != end)
 831                         ++finish;
 832
 833                 // Seek the one (on same level) below
 834                 for (; finish != end; ++finish, ++cur.pit()) {
 835                         int const toclevel = finish->layout().toclevel;
 836                         if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 837                                 break;
 838                 }
 839                 cur.pos() = cur.lastpos();
 840
 841                 needsUpdate |= cur != old_cur;
 842                 break;
 843         }
 844
 845         case LFUN_WORD_RIGHT:
 846         case LFUN_WORD_RIGHT_SELECT:
 847                 if (lyxrc.visual_cursor) {
 848                         needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_RIGHT_SELECT);
 849                         needsUpdate |= cursorVisRightOneWord(cur);
 850                         if (!needsUpdate && oldTopSlice == cur.top()
 851                                         && cur.boundary() == oldBoundary) {
 852                                 cur.undispatched();
 853                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 854                         }
 855                 } else {
 856                         if (reverseDirectionNeeded(cur)) {
 857                                 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 858                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 859                         } else {
 860                                 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 861                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 862                         }
 863                         dispatch(cur, cmd);
 864                         return;
 865                 }
 866                 break;
 867
 868         case LFUN_WORD_FORWARD:
 869         case LFUN_WORD_FORWARD_SELECT:
 870                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 871                 needsUpdate |= cursorForwardOneWord(cur);
 872                 break;
 873
 874         case LFUN_WORD_LEFT:
 875         case LFUN_WORD_LEFT_SELECT:
 876                 if (lyxrc.visual_cursor) {
 877                         needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_LEFT_SELECT);
 878                         needsUpdate |= cursorVisLeftOneWord(cur);
 879                         if (!needsUpdate && oldTopSlice == cur.top()
 880                                         && cur.boundary() == oldBoundary) {
 881                                 cur.undispatched();
 882                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 883                         }
 884                 } else {
 885                         if (reverseDirectionNeeded(cur)) {
 886                                 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 887                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 888                         } else {
 889                                 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 890                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 891                         }
 892                         dispatch(cur, cmd);
 893                         return;
 894                 }
 895                 break;
 896
 897         case LFUN_WORD_BACKWARD:
 898         case LFUN_WORD_BACKWARD_SELECT:
 899                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 900                 needsUpdate |= cursorBackwardOneWord(cur);
 901                 break;
 902
 903         case LFUN_WORD_SELECT: {
 904                 selectWord(cur, WHOLE_WORD);
 905                 finishChange(cur, true);
 906                 break;
 907         }
 908
 909         case LFUN_NEWLINE_INSERT: {
 910                 InsetNewlineParams inp;
 911                 docstring arg = cmd.argument();
 912                 // this avoids a double undo
 913                 // FIXME: should not be needed, ideally
 914                 if (!cur.selection())
 915                         cur.recordUndo();
 916                 cap::replaceSelection(cur);
 917                 if (arg == "linebreak")
 918                         inp.kind = InsetNewlineParams::LINEBREAK;
 919                 else
 920                         inp.kind = InsetNewlineParams::NEWLINE;
 921                 cur.insert(new InsetNewline(inp));
 922                 cur.posForward();
 923                 moveCursor(cur, false);
 924                 break;
 925         }
 926
 927         case LFUN_CHAR_DELETE_FORWARD:
 928                 if (!cur.selection()) {
 929                         if (cur.pos() == cur.paragraph().size())
 930                                 // Par boundary, force full-screen update
 931                                 singleParUpdate = false;
 932                         needsUpdate |= erase(cur);
 933                         cur.resetAnchor();
 934                         // It is possible to make it a lot faster still
 935                         // just comment out the line below...
 936                 } else {
 937                         cutSelection(cur, true, false);
 938                         singleParUpdate = false;
 939                 }
 940                 moveCursor(cur, false);
 941                 break;
 942
 943         case LFUN_CHAR_DELETE_BACKWARD:
 944                 if (!cur.selection()) {
 945                         if (bv->getIntl().getTransManager().backspace()) {
 946                                 // Par boundary, full-screen update
 947                                 if (cur.pos() == 0)
 948                                         singleParUpdate = false;
 949                                 needsUpdate |= backspace(cur);
 950                                 cur.resetAnchor();
 951                                 // It is possible to make it a lot faster still
 952                                 // just comment out the line below...
 953                         }
 954                 } else {
 955                         cutSelection(cur, true, false);
 956                         singleParUpdate = false;
 957                 }
 958                 break;
 959
 960         case LFUN_BREAK_PARAGRAPH:
 961                 cap::replaceSelection(cur);
 962                 breakParagraph(cur, cmd.argument() == "inverse");
 963                 cur.resetAnchor();
 964                 break;
 965
 966         // TODO
 967         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 968         // as its duties can be performed there. Should it be removed??
 969         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 970         case LFUN_PARAGRAPH_SPACING: {
 971                 Paragraph & par = cur.paragraph();
 972                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 973                 string cur_value = "1.0";
 974                 if (cur_spacing == Spacing::Other)
 975                         cur_value = par.params().spacing().getValueAsString();
 976
 977                 istringstream is(to_utf8(cmd.argument()));
 978                 string tmp;
 979                 is >> tmp;
 980                 Spacing::Space new_spacing = cur_spacing;
 981                 string new_value = cur_value;
 982                 if (tmp.empty()) {
 983                         lyxerr << "Missing argument to `paragraph-spacing'"
 984                                << endl;
 985                 } else if (tmp == "single") {
 986                         new_spacing = Spacing::Single;
 987                 } else if (tmp == "onehalf") {
 988                         new_spacing = Spacing::Onehalf;
 989                 } else if (tmp == "double") {
 990                         new_spacing = Spacing::Double;
 991                 } else if (tmp == "other") {
 992                         new_spacing = Spacing::Other;
 993                         string tmpval = "0.0";
 994                         is >> tmpval;
 995                         lyxerr << "new_value = " << tmpval << endl;
 996                         if (tmpval != "0.0")
 997                                 new_value = tmpval;
 998                 } else if (tmp == "default") {
 999                         new_spacing = Spacing::Default;
1000                 } else {
1001                         lyxerr << to_utf8(_("Unknown spacing argument: "))
1002                                << to_utf8(cmd.argument()) << endl;
1003                 }
1004                 if (cur_spacing != new_spacing || cur_value != new_value)
1005                         par.params().spacing(Spacing(new_spacing, new_value));
1006                 break;
1007         }
1008
1009         case LFUN_INSET_INSERT: {
1010                 cur.recordUndo();
1011
1012                 // We have to avoid triggering InstantPreview loading
1013                 // before inserting into the document. See bug #5626.
1014                 bool loaded = bv->buffer().isFullyLoaded();
1015                 bv->buffer().setFullyLoaded(false);
1016                 Inset * inset = createInset(bv->buffer(), cmd);
1017                 bv->buffer().setFullyLoaded(loaded);
1018
1019                 if (inset) {
1020                         // FIXME (Abdel 01/02/2006):
1021                         // What follows would be a partial fix for bug 2154:
1022                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
1023                         // This automatically put the label inset _after_ a
1024                         // numbered section. It should be possible to extend the mechanism
1025                         // to any kind of LateX environement.
1026                         // The correct way to fix that bug would be at LateX generation.
1027                         // I'll let the code here for reference as it could be used for some
1028                         // other feature like "automatic labelling".
1029                         /*
1030                         Paragraph & par = pars_[cur.pit()];
1031                         if (inset->lyxCode() == LABEL_CODE
1032                                 && par.layout().labeltype == LABEL_COUNTER) {
1033                                 // Go to the end of the paragraph
1034                                 // Warning: Because of Change-Tracking, the last
1035                                 // position is 'size()' and not 'size()-1':
1036                                 cur.pos() = par.size();
1037                                 // Insert a new paragraph
1038                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
1039                                 dispatch(cur, fr);
1040                         }
1041                         */
1042                         if (cur.selection())
1043                                 cutSelection(cur, true, false);
1044                         cur.insert(inset);
1045                         cur.posForward();
1046
1047                         // trigger InstantPreview now
1048                         if (inset->lyxCode() == EXTERNAL_CODE) {
1049                                 InsetExternal & ins =
1050                                         static_cast<InsetExternal &>(*inset);
1051                                 ins.updatePreview();
1052                         }
1053                 }
1054
1055                 break;
1056         }
1057
1058         case LFUN_INSET_DISSOLVE: {
1059                 // first, try if there's an inset at cursor
1060                 // FIXME: this first part should be moved to
1061                 // a LFUN_NEXT_INSET_DISSOLVE, or be called via
1062                 // some generic "next-inset inset-dissolve"
1063                 Inset * inset = cur.nextInset();
1064                 if (inset && inset->isActive()) {
1065                         Cursor tmpcur = cur;
1066                         tmpcur.pushBackward(*inset);
1067                         inset->dispatch(tmpcur, cmd);
1068                         if (tmpcur.result().dispatched()) {
1069                                 cur.dispatched();
1070                                 break;
1071                         }
1072                 }
1073                 // if it did not work, try the underlying inset
1074                 if (dissolveInset(cur)) {
1075                         needsUpdate = true;
1076                         break;
1077                 }
1078                 // if it did not work, do nothing.
1079                 break;
1080         }
1081
1082         case LFUN_SET_GRAPHICS_GROUP: {
1083                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
1084                 if (!ins)
1085                         break;
1086
1087                 cur.recordUndo();
1088
1089                 string id = to_utf8(cmd.argument());
1090                 string grp = graphics::getGroupParams(bv->buffer(), id);
1091                 InsetGraphicsParams tmp, inspar = ins->getParams();
1092
1093                 if (id.empty())
1094                         inspar.groupId = to_utf8(cmd.argument());
1095                 else {
1096                         InsetGraphics::string2params(grp, bv->buffer(), tmp);
1097                         tmp.filename = inspar.filename;
1098                         inspar = tmp;
1099                 }
1100
1101                 ins->setParams(inspar);
1102         }
1103
1104         case LFUN_SPACE_INSERT:
1105                 if (cur.paragraph().layout().free_spacing)
1106                         insertChar(cur, ' ');
1107                 else {
1108                         doInsertInset(cur, this, cmd, false, false);
1109                         cur.posForward();
1110                 }
1111                 moveCursor(cur, false);
1112                 break;
1113
1114         case LFUN_SPECIALCHAR_INSERT: {
1115                 string const name = to_utf8(cmd.argument());
1116                 if (name == "hyphenation")
1117                         specialChar(cur, InsetSpecialChar::HYPHENATION);
1118                 else if (name == "ligature-break")
1119                         specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
1120                 else if (name == "slash")
1121                         specialChar(cur, InsetSpecialChar::SLASH);
1122                 else if (name == "nobreakdash")
1123                         specialChar(cur, InsetSpecialChar::NOBREAKDASH);
1124                 else if (name == "dots")
1125                         specialChar(cur, InsetSpecialChar::LDOTS);
1126                 else if (name == "end-of-sentence")
1127                         specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
1128                 else if (name == "menu-separator")
1129                         specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
1130                 else if (name.empty())
1131                         lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
1132                 else
1133                         lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
1134                 break;
1135         }
1136
1137         case LFUN_WORD_UPCASE:
1138                 changeCase(cur, text_uppercase);
1139                 break;
1140
1141         case LFUN_WORD_LOWCASE:
1142                 changeCase(cur, text_lowercase);
1143                 break;
1144
1145         case LFUN_WORD_CAPITALIZE:
1146                 changeCase(cur, text_capitalization);
1147                 break;
1148
1149         case LFUN_CHARS_TRANSPOSE:
1150                 charsTranspose(cur);
1151                 break;
1152
1153         case LFUN_PASTE: {
1154                 cur.message(_("Paste"));
1155                 LASSERT(cur.selBegin().idx() == cur.selEnd().idx(), /**/);
1156                 cap::replaceSelection(cur);
1157
1158                 // without argument?
1159                 string const arg = to_utf8(cmd.argument());
1160                 if (arg.empty()) {
1161                         if (theClipboard().isInternal())
1162                                 pasteFromStack(cur, bv->buffer().errorList("Paste"), 0);
1163                         else if (theClipboard().hasGraphicsContents()
1164                                      && !theClipboard().hasTextContents())
1165                                 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"));
1166                         else
1167                                 pasteClipboardText(cur, bv->buffer().errorList("Paste"));
1168                 } else if (isStrUnsignedInt(arg)) {
1169                         // we have a numerical argument
1170                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
1171                                        convert<unsigned int>(arg));
1172                 } else {
1173                         Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
1174                         if (arg == "pdf")
1175                                 type = Clipboard::PdfGraphicsType;
1176                         else if (arg == "png")
1177                                 type = Clipboard::PngGraphicsType;
1178                         else if (arg == "jpeg")
1179                                 type = Clipboard::JpegGraphicsType;
1180                         else if (arg == "linkback")
1181                                 type = Clipboard::LinkBackGraphicsType;
1182                         else if (arg == "emf")
1183                                 type = Clipboard::EmfGraphicsType;
1184                         else if (arg == "wmf")
1185                                 type = Clipboard::WmfGraphicsType;
1186
1187                         else
1188                                 LASSERT(false, /**/);
1189
1190                         pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
1191                 }
1192
1193                 bv->buffer().errors("Paste");
1194                 cur.clearSelection(); // bug 393
1195                 cur.finishUndo();
1196                 break;
1197         }
1198
1199         case LFUN_CUT:
1200                 cutSelection(cur, true, true);
1201                 cur.message(_("Cut"));
1202                 break;
1203
1204         case LFUN_COPY:
1205                 copySelection(cur);
1206                 cur.message(_("Copy"));
1207                 break;
1208
1209         case LFUN_SERVER_GET_XY:
1210                 cur.message(from_utf8(
1211                         convert<string>(tm->cursorX(cur.top(), cur.boundary()))
1212                         + ' ' + convert<string>(tm->cursorY(cur.top(), cur.boundary()))));
1213                 break;
1214
1215         case LFUN_SERVER_SET_XY: {
1216                 int x = 0;
1217                 int y = 0;
1218                 istringstream is(to_utf8(cmd.argument()));
1219                 is >> x >> y;
1220                 if (!is)
1221                         lyxerr << "SETXY: Could not parse coordinates in '"
1222                                << to_utf8(cmd.argument()) << endl;
1223                 else
1224                         tm->setCursorFromCoordinates(cur, x, y);
1225                 break;
1226         }
1227
1228         case LFUN_SERVER_GET_LAYOUT:
1229                 cur.message(cur.paragraph().layout().name());
1230                 break;
1231
1232         case LFUN_LAYOUT: {
1233                 docstring layout = cmd.argument();
1234                 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
1235
1236                 Paragraph const & para = cur.paragraph();
1237                 docstring const old_layout = para.layout().name();
1238                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1239
1240                 if (layout.empty())
1241                         layout = tclass.defaultLayoutName();
1242
1243                 if (para.forcePlainLayout())
1244                         // in this case only the empty layout is allowed
1245                         layout = tclass.plainLayoutName();
1246                 else if (para.usePlainLayout()) {
1247                         // in this case, default layout maps to empty layout
1248                         if (layout == tclass.defaultLayoutName())
1249                                 layout = tclass.plainLayoutName();
1250                 } else {
1251                         // otherwise, the empty layout maps to the default
1252                         if (layout == tclass.plainLayoutName())
1253                                 layout = tclass.defaultLayoutName();
1254                 }
1255
1256                 bool hasLayout = tclass.hasLayout(layout);
1257
1258                 // If the entry is obsolete, use the new one instead.
1259                 if (hasLayout) {
1260                         docstring const & obs = tclass[layout].obsoleted_by();
1261                         if (!obs.empty())
1262                                 layout = obs;
1263                 }
1264
1265                 if (!hasLayout) {
1266                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
1267                                 from_utf8(N_(" not known")));
1268                         break;
1269                 }
1270
1271                 bool change_layout = (old_layout != layout);
1272
1273                 if (!change_layout && cur.selection() &&
1274                         cur.selBegin().pit() != cur.selEnd().pit())
1275                 {
1276                         pit_type spit = cur.selBegin().pit();
1277                         pit_type epit = cur.selEnd().pit() + 1;
1278                         while (spit != epit) {
1279                                 if (pars_[spit].layout().name() != old_layout) {
1280                                         change_layout = true;
1281                                         break;
1282                                 }
1283                                 ++spit;
1284                         }
1285                 }
1286
1287                 if (change_layout)
1288                         setLayout(cur, layout);
1289
1290                 break;
1291         }
1292
1293         case LFUN_CLIPBOARD_PASTE:
1294                 cur.clearSelection();
1295                 pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1296                                cmd.argument() == "paragraph");
1297                 bv->buffer().errors("Paste");
1298                 break;
1299
1300         case LFUN_PRIMARY_SELECTION_PASTE:
1301                 pasteString(cur, theSelection().get(),
1302                             cmd.argument() == "paragraph");
1303                 break;
1304
1305         case LFUN_SELECTION_PASTE:
1306                 // Copy the selection buffer to the clipboard stack,
1307                 // because we want it to appear in the "Edit->Paste
1308                 // recent" menu.
1309                 cap::copySelectionToStack();
1310                 cap::pasteSelection(bv->cursor(), bv->buffer().errorList("Paste"));
1311                 bv->buffer().errors("Paste");
1312                 break;
1313
1314         case LFUN_UNICODE_INSERT: {
1315                 if (cmd.argument().empty())
1316                         break;
1317                 docstring hexstring = cmd.argument();
1318                 if (isHex(hexstring)) {
1319                         char_type c = hexToInt(hexstring);
1320                         if (c >= 32 && c < 0x10ffff) {
1321                                 lyxerr << "Inserting c: " << c << endl;
1322                                 docstring s = docstring(1, c);
1323                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1324                         }
1325                 }
1326                 break;
1327         }
1328
1329         case LFUN_QUOTE_INSERT: {
1330                 Paragraph & par = cur.paragraph();
1331                 pos_type pos = cur.pos();
1332                 BufferParams const & bufparams = bv->buffer().params();
1333                 Layout const & style = par.layout();
1334                 InsetLayout const & ilayout = cur.inset().getLayout();
1335                 if (!style.pass_thru && !ilayout.isPassThru()
1336                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1337                         // this avoids a double undo
1338                         // FIXME: should not be needed, ideally
1339                         if (!cur.selection())
1340                                 cur.recordUndo();
1341                         cap::replaceSelection(cur);
1342                         pos = cur.pos();
1343                         char_type c;
1344                         if (pos == 0)
1345                                 c = ' ';
1346                         else if (cur.prevInset() && cur.prevInset()->isSpace())
1347                                 c = ' ';
1348                         else
1349                                 c = par.getChar(pos - 1);
1350                         string arg = to_utf8(cmd.argument());
1351                         cur.insert(new InsetQuotes(bv->buffer(), c, (arg == "single")
1352                                 ? InsetQuotes::SingleQuotes : InsetQuotes::DoubleQuotes));
1353                         cur.posForward();
1354                 }
1355                 else
1356                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1357                 break;
1358         }
1359
1360         case LFUN_DATE_INSERT: {
1361                 string const format = cmd.argument().empty()
1362                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1363                 string const time = formatted_time(current_time(), format);
1364                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1365                 break;
1366         }
1367
1368         case LFUN_MOUSE_TRIPLE:
1369                 if (cmd.button() == mouse_button::button1) {
1370                         tm->cursorHome(cur);
1371                         cur.resetAnchor();
1372                         tm->cursorEnd(cur);
1373                         cur.setSelection();
1374                         bv->cursor() = cur;
1375                 }
1376                 break;
1377
1378         case LFUN_MOUSE_DOUBLE:
1379                 if (cmd.button() == mouse_button::button1) {
1380                         selectWord(cur, WHOLE_WORD_STRICT);
1381                         bv->cursor() = cur;
1382                 }
1383                 break;
1384
1385         // Single-click on work area
1386         case LFUN_MOUSE_PRESS:
1387                 // We are not marking a selection with the keyboard in any case.
1388                 cur.bv().cursor().setMark(false);
1389                 switch (cmd.button()) {
1390                 case mouse_button::button1:
1391                         // Set the cursor
1392                         if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
1393                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1394                         break;
1395
1396                 case mouse_button::button2:
1397                         // Middle mouse pasting.
1398                         bv->mouseSetCursor(cur);
1399                         lyx::dispatch(
1400                                 FuncRequest(LFUN_COMMAND_ALTERNATIVES,
1401                                             "selection-paste ; primary-selection-paste paragraph"));
1402                         cur.noUpdate();
1403                         break;
1404
1405                 case mouse_button::button3: {
1406                         Cursor const & bvcur = cur.bv().cursor();
1407                         // Don't do anything if we right-click a
1408                         // selection, a context menu will popup.
1409                         if (bvcur.selection() && cur >= bvcur.selectionBegin()
1410                             && cur < bvcur.selectionEnd()) {
1411                                 cur.noUpdate();
1412                                 return;
1413                         }
1414                         if (!bv->mouseSetCursor(cur, false))
1415                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1416                         break;
1417                 }
1418
1419                 default:
1420                         break;
1421                 } // switch (cmd.button())
1422                 break;
1423
1424         case LFUN_MOUSE_MOTION: {
1425                 // Mouse motion with right or middle mouse do nothing for now.
1426                 if (cmd.button() != mouse_button::button1) {
1427                         cur.noUpdate();
1428                         return;
1429                 }
1430                 // ignore motions deeper nested than the real anchor
1431                 Cursor & bvcur = cur.bv().cursor();
1432                 if (!bvcur.anchor_.hasPart(cur)) {
1433                         cur.undispatched();
1434                         break;
1435                 }
1436                 CursorSlice old = bvcur.top();
1437
1438                 int const wh = bv->workHeight();
1439                 int const y = max(0, min(wh - 1, cmd.y));
1440
1441                 tm->setCursorFromCoordinates(cur, cmd.x, y);
1442                 cur.setTargetX(cmd.x);
1443                 if (cmd.y >= wh)
1444                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1445                 else if (cmd.y < 0)
1446                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1447                 // This is to allow jumping over large insets
1448                 if (cur.top() == old) {
1449                         if (cmd.y >= wh)
1450                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1451                         else if (cmd.y < 0)
1452                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1453                 }
1454                 // We continue with our existing selection or start a new one, so don't
1455                 // reset the anchor.
1456                 bvcur.setCursor(cur);
1457                 bvcur.setSelection(true);
1458                 if (cur.top() == old) {
1459                         // We didn't move one iota, so no need to update the screen.
1460                         cur.updateFlags(Update::SinglePar | Update::FitCursor);
1461                         //cur.noUpdate();
1462                         return;
1463                 }
1464                 break;
1465         }
1466
1467         case LFUN_MOUSE_RELEASE:
1468                 switch (cmd.button()) {
1469                 case mouse_button::button1:
1470                         // Cursor was set at LFUN_MOUSE_PRESS or LFUN_MOUSE_MOTION time.
1471                         // If there is a new selection, update persistent selection;
1472                         // otherwise, single click does not clear persistent selection
1473                         // buffer.
1474                         if (cur.selection()) {
1475                                 // Finish selection. If double click,
1476                                 // cur is moved to the end of word by
1477                                 // selectWord but bvcur is current
1478                                 // mouse position.
1479                                 cur.bv().cursor().setSelection();
1480                                 // We might have removed an empty but drawn selection
1481                                 // (probably a margin)
1482                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1483                         } else
1484                                 cur.noUpdate();
1485                         // FIXME: We could try to handle drag and drop of selection here.
1486                         return;
1487
1488                 case mouse_button::button2:
1489                         // Middle mouse pasting is handled at mouse press time,
1490                         // see LFUN_MOUSE_PRESS.
1491                         cur.noUpdate();
1492                         return;
1493
1494                 case mouse_button::button3:
1495                         // Cursor was set at LFUN_MOUSE_PRESS time.
1496                         // FIXME: If there is a selection we could try to handle a special
1497                         // drag & drop context menu.
1498                         cur.noUpdate();
1499                         return;
1500
1501                 case mouse_button::none:
1502                 case mouse_button::button4:
1503                 case mouse_button::button5:
1504                         break;
1505                 } // switch (cmd.button())
1506
1507                 break;
1508
1509         case LFUN_SELF_INSERT: {
1510                 if (cmd.argument().empty())
1511                         break;
1512
1513                 // Automatically delete the currently selected
1514                 // text and replace it with what is being
1515                 // typed in now. Depends on lyxrc settings
1516                 // "auto_region_delete", which defaults to
1517                 // true (on).
1518
1519                 if (lyxrc.auto_region_delete && cur.selection())
1520                         cutSelection(cur, false, false);
1521
1522                 cur.clearSelection();
1523
1524                 docstring::const_iterator cit = cmd.argument().begin();
1525                 docstring::const_iterator const end = cmd.argument().end();
1526                 for (; cit != end; ++cit)
1527                         bv->translateAndInsert(*cit, this, cur);
1528
1529                 cur.resetAnchor();
1530                 moveCursor(cur, false);
1531                 bv->bookmarkEditPosition();
1532                 break;
1533         }
1534
1535         case LFUN_HYPERLINK_INSERT: {
1536                 InsetCommandParams p(HYPERLINK_CODE);
1537                 docstring content;
1538                 if (cur.selection()) {
1539                         content = cur.selectionAsString(false);
1540                         cutSelection(cur, true, false);
1541                 }
1542                 p["target"] = (cmd.argument().empty()) ?
1543                         content : cmd.argument();
1544                 string const data = InsetCommand::params2string("href", p);
1545                 if (p["target"].empty()) {
1546                         bv->showDialog("href", data);
1547                 } else {
1548                         FuncRequest fr(LFUN_INSET_INSERT, data);
1549                         dispatch(cur, fr);
1550                 }
1551                 break;
1552         }
1553
1554         case LFUN_LABEL_INSERT: {
1555                 InsetCommandParams p(LABEL_CODE);
1556                 // Try to generate a valid label
1557                 p["name"] = (cmd.argument().empty()) ?
1558                         cur.getPossibleLabel() :
1559                         cmd.argument();
1560                 string const data = InsetCommand::params2string("label", p);
1561
1562                 if (cmd.argument().empty()) {
1563                         bv->showDialog("label", data);
1564                 } else {
1565                         FuncRequest fr(LFUN_INSET_INSERT, data);
1566                         dispatch(cur, fr);
1567                 }
1568                 break;
1569         }
1570
1571         case LFUN_INFO_INSERT: {
1572                 Inset * inset;
1573                 if (cmd.argument().empty() && cur.selection()) {
1574                         // if command argument is empty use current selection as parameter.
1575                         docstring ds = cur.selectionAsString(false);
1576                         cutSelection(cur, true, false);
1577                         FuncRequest cmd0(cmd, ds);
1578                         inset = createInset(cur.bv().buffer(), cmd0);
1579                 } else {
1580                         inset = createInset(cur.bv().buffer(), cmd);
1581                 }
1582                 if (!inset)
1583                         break;
1584                 cur.recordUndo();
1585                 insertInset(cur, inset);
1586                 cur.posForward();
1587                 break;
1588         }
1589         case LFUN_CAPTION_INSERT:
1590         case LFUN_FOOTNOTE_INSERT:
1591         case LFUN_NOTE_INSERT:
1592         case LFUN_FLEX_INSERT:
1593         case LFUN_BOX_INSERT:
1594         case LFUN_BRANCH_INSERT:
1595         case LFUN_PHANTOM_INSERT:
1596         case LFUN_ERT_INSERT:
1597         case LFUN_LISTING_INSERT:
1598         case LFUN_MARGINALNOTE_INSERT:
1599         case LFUN_OPTIONAL_INSERT:
1600         case LFUN_INDEX_INSERT:
1601                 // Open the inset, and move the current selection
1602                 // inside it.
1603                 doInsertInset(cur, this, cmd, true, true);
1604                 cur.posForward();
1605                 // Some insets are numbered, others are shown in the outline pane so
1606                 // let's update the labels and the toc backend.
1607                 bv->buffer().updateLabels();
1608                 break;
1609
1610         case LFUN_TABULAR_INSERT:
1611                 // if there were no arguments, just open the dialog
1612                 if (doInsertInset(cur, this, cmd, false, true))
1613                         cur.posForward();
1614                 else
1615                         bv->showDialog("tabularcreate");
1616
1617                 break;
1618
1619         case LFUN_FLOAT_INSERT:
1620         case LFUN_FLOAT_WIDE_INSERT:
1621         case LFUN_WRAP_INSERT: {
1622                 // will some text be moved into the inset?
1623                 bool content = cur.selection();
1624
1625                 doInsertInset(cur, this, cmd, true, true);
1626                 cur.posForward();
1627
1628                 // If some text is moved into the inset, doInsertInset
1629                 // puts the cursor outside the inset. To insert the
1630                 // caption we put it back into the inset.
1631                 if (content)
1632                         cur.backwardPos();
1633
1634                 ParagraphList & pars = cur.text()->paragraphs();
1635
1636                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1637
1638                 // add a separate paragraph for the caption inset
1639                 pars.push_back(Paragraph());
1640                 pars.back().setInsetOwner(&pars[0].inInset());
1641                 pars.back().setPlainOrDefaultLayout(tclass);
1642                 int cap_pit = pars.size() - 1;
1643
1644                 // if an empty inset was created, we create an additional empty
1645                 // paragraph at the bottom so that the user can choose where to put
1646                 // the graphics (or table).
1647                 if (!content) {
1648                         pars.push_back(Paragraph());
1649                         pars.back().setInsetOwner(&pars[0].inInset());
1650                         pars.back().setPlainOrDefaultLayout(tclass);
1651                 }
1652
1653                 // reposition the cursor to the caption
1654                 cur.pit() = cap_pit;
1655                 cur.pos() = 0;
1656                 // FIXME: This Text/Cursor dispatch handling is a mess!
1657                 // We cannot use Cursor::dispatch here it needs access to up to
1658                 // date metrics.
1659                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1660                 doInsertInset(cur, cur.text(), cmd_caption, true, false);
1661                 bv->buffer().updateLabels();
1662                 cur.updateFlags(Update::Force);
1663                 // FIXME: When leaving the Float (or Wrap) inset we should
1664                 // delete any empty paragraph left above or below the
1665                 // caption.
1666                 break;
1667         }
1668
1669         case LFUN_NOMENCL_INSERT: {
1670                 InsetCommandParams p(NOMENCL_CODE);
1671                 if (cmd.argument().empty())
1672                         p["symbol"] = bv->cursor().innerText()->getStringToIndex(bv->cursor());
1673                 else
1674                         p["symbol"] = cmd.argument();
1675                 string const data = InsetCommand::params2string("nomenclature", p);
1676                 bv->showDialog("nomenclature", data);
1677                 break;
1678         }
1679
1680         case LFUN_INDEX_PRINT: {
1681                 InsetCommandParams p(INDEX_PRINT_CODE);
1682                 if (cmd.argument().empty())
1683                         p["type"] = from_ascii("idx");
1684                 else
1685                         p["type"] = cmd.argument();
1686                 string const data = InsetCommand::params2string("index_print", p);
1687                 FuncRequest fr(LFUN_INSET_INSERT, data);
1688                 dispatch(cur, fr);
1689                 break;
1690         }
1691
1692         case LFUN_NOMENCL_PRINT:
1693         case LFUN_TOC_INSERT:
1694         case LFUN_LINE_INSERT:
1695         case LFUN_NEWPAGE_INSERT:
1696                 // do nothing fancy
1697                 doInsertInset(cur, this, cmd, false, false);
1698                 cur.posForward();
1699                 break;
1700
1701         case LFUN_DEPTH_DECREMENT:
1702                 changeDepth(cur, DEC_DEPTH);
1703                 break;
1704
1705         case LFUN_DEPTH_INCREMENT:
1706                 changeDepth(cur, INC_DEPTH);
1707                 break;
1708
1709         case LFUN_MATH_DISPLAY:
1710                 mathDispatch(cur, cmd, true);
1711                 break;
1712
1713         case LFUN_REGEXP_MODE:
1714                 regexpDispatch(cur, cmd);
1715                 break;
1716
1717         case LFUN_MATH_MODE:
1718                 if (cmd.argument() == "on")
1719                         // don't pass "on" as argument
1720                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1721                 else
1722                         mathDispatch(cur, cmd, false);
1723                 break;
1724
1725         case LFUN_MATH_MACRO:
1726                 if (cmd.argument().empty())
1727                         cur.errorMessage(from_utf8(N_("Missing argument")));
1728                 else {
1729                         string s = to_utf8(cmd.argument());
1730                         string const s1 = token(s, ' ', 1);
1731                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1732                         string const s2 = token(s, ' ', 2);
1733                         MacroType type = MacroTypeNewcommand;
1734                         if (s2 == "def")
1735                                 type = MacroTypeDef;
1736                         MathMacroTemplate * inset = new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, false, type);
1737                         inset->setBuffer(bv->buffer());
1738                         insertInset(cur, inset);
1739
1740                         // enter macro inset and select the name
1741                         cur.push(*inset);
1742                         cur.top().pos() = cur.top().lastpos();
1743                         cur.resetAnchor();
1744                         cur.setSelection(true);
1745                         cur.top().pos() = 0;
1746                 }
1747                 break;
1748
1749         // passthrough hat and underscore outside mathed:
1750         case LFUN_MATH_SUBSCRIPT:
1751                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1752                 break;
1753         case LFUN_MATH_SUPERSCRIPT:
1754                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1755                 break;
1756
1757         case LFUN_MATH_INSERT:
1758         case LFUN_MATH_AMS_MATRIX:
1759         case LFUN_MATH_MATRIX:
1760         case LFUN_MATH_DELIM:
1761         case LFUN_MATH_BIGDELIM: {
1762                 cur.recordUndo();
1763                 cap::replaceSelection(cur);
1764                 cur.insert(new InsetMathHull(hullSimple));
1765                 checkAndActivateInset(cur, true);
1766                 LASSERT(cur.inMathed(), /**/);
1767                 cur.dispatch(cmd);
1768                 break;
1769         }
1770
1771         case LFUN_FONT_EMPH: {
1772                 Font font(ignore_font, ignore_language);
1773                 font.fontInfo().setEmph(FONT_TOGGLE);
1774                 toggleAndShow(cur, this, font);
1775                 break;
1776         }
1777
1778         case LFUN_FONT_ITAL: {
1779                 Font font(ignore_font, ignore_language);
1780                 font.fontInfo().setShape(ITALIC_SHAPE);
1781                 toggleAndShow(cur, this, font);
1782                 break;
1783         }
1784
1785         case LFUN_FONT_BOLD:
1786         case LFUN_FONT_BOLDSYMBOL: {
1787                 Font font(ignore_font, ignore_language);
1788                 font.fontInfo().setSeries(BOLD_SERIES);
1789                 toggleAndShow(cur, this, font);
1790                 break;
1791         }
1792
1793         case LFUN_FONT_NOUN: {
1794                 Font font(ignore_font, ignore_language);
1795                 font.fontInfo().setNoun(FONT_TOGGLE);
1796                 toggleAndShow(cur, this, font);
1797                 break;
1798         }
1799
1800         case LFUN_FONT_TYPEWRITER: {
1801                 Font font(ignore_font, ignore_language);
1802                 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
1803                 toggleAndShow(cur, this, font);
1804                 break;
1805         }
1806
1807         case LFUN_FONT_SANS: {
1808                 Font font(ignore_font, ignore_language);
1809                 font.fontInfo().setFamily(SANS_FAMILY);
1810                 toggleAndShow(cur, this, font);
1811                 break;
1812         }
1813
1814         case LFUN_FONT_ROMAN: {
1815                 Font font(ignore_font, ignore_language);
1816                 font.fontInfo().setFamily(ROMAN_FAMILY);
1817                 toggleAndShow(cur, this, font);
1818                 break;
1819         }
1820
1821         case LFUN_FONT_DEFAULT: {
1822                 Font font(inherit_font, ignore_language);
1823                 toggleAndShow(cur, this, font);
1824                 break;
1825         }
1826
1827         case LFUN_FONT_STRIKEOUT: {
1828                 Font font(ignore_font, ignore_language);
1829                 font.fontInfo().setStrikeout(FONT_TOGGLE);
1830                 toggleAndShow(cur, this, font);
1831                 break;
1832         }
1833
1834         case LFUN_FONT_UULINE: {
1835                 Font font(ignore_font, ignore_language);
1836                 font.fontInfo().setUuline(FONT_TOGGLE);
1837                 toggleAndShow(cur, this, font);
1838                 break;
1839         }
1840
1841         case LFUN_FONT_UWAVE: {
1842                 Font font(ignore_font, ignore_language);
1843                 font.fontInfo().setUwave(FONT_TOGGLE);
1844                 toggleAndShow(cur, this, font);
1845                 break;
1846         }
1847
1848         case LFUN_FONT_UNDERLINE: {
1849                 Font font(ignore_font, ignore_language);
1850                 font.fontInfo().setUnderbar(FONT_TOGGLE);
1851                 toggleAndShow(cur, this, font);
1852                 break;
1853         }
1854
1855         case LFUN_FONT_SIZE: {
1856                 Font font(ignore_font, ignore_language);
1857                 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
1858                 toggleAndShow(cur, this, font);
1859                 break;
1860         }
1861
1862         case LFUN_LANGUAGE: {
1863                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1864                 if (!lang)
1865                         break;
1866                 Font font(ignore_font, lang);
1867                 toggleAndShow(cur, this, font);
1868                 break;
1869         }
1870
1871         case LFUN_TEXTSTYLE_APPLY:
1872                 toggleAndShow(cur, this, freefont, toggleall);
1873                 cur.message(_("Character set"));
1874                 break;
1875
1876         // Set the freefont using the contents of \param data dispatched from
1877         // the frontends and apply it at the current cursor location.
1878         case LFUN_TEXTSTYLE_UPDATE: {
1879                 Font font;
1880                 bool toggle;
1881                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1882                         freefont = font;
1883                         toggleall = toggle;
1884                         toggleAndShow(cur, this, freefont, toggleall);
1885                         cur.message(_("Character set"));
1886                 } else {
1887                         lyxerr << "Argument not ok";
1888                 }
1889                 break;
1890         }
1891
1892         case LFUN_FINISHED_LEFT:
1893                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
1894                 // We're leaving an inset, going left. If the inset is LTR, we're
1895                 // leaving from the front, so we should not move (remain at --- but
1896                 // not in --- the inset). If the inset is RTL, move left, without
1897                 // entering the inset itself; i.e., move to after the inset.
1898                 if (cur.paragraph().getFontSettings(
1899                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1900                         cursorVisLeft(cur, true);
1901                 break;
1902
1903         case LFUN_FINISHED_RIGHT:
1904                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
1905                 // We're leaving an inset, going right. If the inset is RTL, we're
1906                 // leaving from the front, so we should not move (remain at --- but
1907                 // not in --- the inset). If the inset is LTR, move right, without
1908                 // entering the inset itself; i.e., move to after the inset.
1909                 if (!cur.paragraph().getFontSettings(
1910                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1911                         cursorVisRight(cur, true);
1912                 break;
1913
1914         case LFUN_FINISHED_BACKWARD:
1915                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
1916                 break;
1917
1918         case LFUN_FINISHED_FORWARD:
1919                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
1920                 ++cur.pos();
1921                 cur.setCurrentFont();
1922                 break;
1923
1924         case LFUN_LAYOUT_PARAGRAPH: {
1925                 string data;
1926                 params2string(cur.paragraph(), data);
1927                 data = "show\n" + data;
1928                 bv->showDialog("paragraph", data);
1929                 break;
1930         }
1931
1932         case LFUN_PARAGRAPH_UPDATE: {
1933                 string data;
1934                 params2string(cur.paragraph(), data);
1935
1936                 // Will the paragraph accept changes from the dialog?
1937                 bool const accept =
1938                         cur.inset().allowParagraphCustomization(cur.idx());
1939
1940                 data = "update " + convert<string>(accept) + '\n' + data;
1941                 bv->updateDialog("paragraph", data);
1942                 break;
1943         }
1944
1945         case LFUN_ACCENT_UMLAUT:
1946         case LFUN_ACCENT_CIRCUMFLEX:
1947         case LFUN_ACCENT_GRAVE:
1948         case LFUN_ACCENT_ACUTE:
1949         case LFUN_ACCENT_TILDE:
1950         case LFUN_ACCENT_CEDILLA:
1951         case LFUN_ACCENT_MACRON:
1952         case LFUN_ACCENT_DOT:
1953         case LFUN_ACCENT_UNDERDOT:
1954         case LFUN_ACCENT_UNDERBAR:
1955         case LFUN_ACCENT_CARON:
1956         case LFUN_ACCENT_BREVE:
1957         case LFUN_ACCENT_TIE:
1958         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1959         case LFUN_ACCENT_CIRCLE:
1960         case LFUN_ACCENT_OGONEK:
1961                 theLyXFunc().handleKeyFunc(cmd.action);
1962                 if (!cmd.argument().empty())
1963                         // FIXME: Are all these characters encoded in one byte in utf8?
1964                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1965                 break;
1966
1967         case LFUN_FLOAT_LIST_INSERT: {
1968                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1969                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1970                         cur.recordUndo();
1971                         if (cur.selection())
1972                                 cutSelection(cur, true, false);
1973                         breakParagraph(cur);
1974
1975                         if (cur.lastpos() != 0) {
1976                                 cursorBackward(cur);
1977                                 breakParagraph(cur);
1978                         }
1979
1980                         docstring const laystr = cur.inset().usePlainLayout() ?
1981                                 tclass.plainLayoutName() :
1982                                 tclass.defaultLayoutName();
1983                         setLayout(cur, laystr);
1984                         ParagraphParameters p;
1985                         // FIXME If this call were replaced with one to clearParagraphParams(),
1986                         // then we could get rid of this method altogether.
1987                         setParagraphs(cur, p);
1988                         // FIXME This should be simplified when InsetFloatList takes a
1989                         // Buffer in its constructor.
1990                         InsetFloatList * ifl = new InsetFloatList(to_utf8(cmd.argument()));
1991                         ifl->setBuffer(bv->buffer());
1992                         insertInset(cur, ifl);
1993                         cur.posForward();
1994                 } else {
1995                         lyxerr << "Non-existent float type: "
1996                                << to_utf8(cmd.argument()) << endl;
1997                 }
1998                 break;
1999         }
2000
2001         case LFUN_CHANGE_ACCEPT: {
2002                 acceptOrRejectChanges(cur, ACCEPT);
2003                 break;
2004         }
2005
2006         case LFUN_CHANGE_REJECT: {
2007                 acceptOrRejectChanges(cur, REJECT);
2008                 break;
2009         }
2010
2011         case LFUN_THESAURUS_ENTRY: {
2012                 docstring arg = cmd.argument();
2013                 if (arg.empty()) {
2014                         arg = cur.selectionAsString(false);
2015                         // FIXME
2016                         if (arg.size() > 100 || arg.empty()) {
2017                                 // Get word or selection
2018                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2019                                 arg = cur.selectionAsString(false);
2020                                 arg += " lang=" + from_ascii(cur.getFont().language()->lang());
2021                         }
2022                 }
2023                 bv->showDialog("thesaurus", to_utf8(arg));
2024                 break;
2025         }
2026
2027         case LFUN_PARAGRAPH_PARAMS_APPLY: {
2028                 // Given data, an encoding of the ParagraphParameters
2029                 // generated in the Paragraph dialog, this function sets
2030                 // the current paragraph, or currently selected paragraphs,
2031                 // appropriately.
2032                 // NOTE: This function overrides all existing settings.
2033                 setParagraphs(cur, cmd.argument());
2034                 cur.message(_("Paragraph layout set"));
2035                 break;
2036         }
2037
2038         case LFUN_PARAGRAPH_PARAMS: {
2039                 // Given data, an encoding of the ParagraphParameters as we'd
2040                 // find them in a LyX file, this function modifies the current paragraph,
2041                 // or currently selected paragraphs.
2042                 // NOTE: This function only modifies, and does not override, existing
2043                 // settings.
2044                 setParagraphs(cur, cmd.argument(), true);
2045                 cur.message(_("Paragraph layout set"));
2046                 break;
2047         }
2048
2049         case LFUN_ESCAPE:
2050                 if (cur.selection()) {
2051                         cur.setSelection(false);
2052                 } else {
2053                         cur.undispatched();
2054                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
2055                         // correct, but I'm not 100% sure -- dov, 071019
2056                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
2057                 }
2058                 break;
2059
2060         case LFUN_OUTLINE_UP:
2061                 outline(OutlineUp, cur);
2062                 setCursor(cur, cur.pit(), 0);
2063                 cur.buffer()->updateLabels();
2064                 needsUpdate = true;
2065                 break;
2066
2067         case LFUN_OUTLINE_DOWN:
2068                 outline(OutlineDown, cur);
2069                 setCursor(cur, cur.pit(), 0);
2070                 cur.buffer()->updateLabels();
2071                 needsUpdate = true;
2072                 break;
2073
2074         case LFUN_OUTLINE_IN:
2075                 outline(OutlineIn, cur);
2076                 cur.buffer()->updateLabels();
2077                 needsUpdate = true;
2078                 break;
2079
2080         case LFUN_OUTLINE_OUT:
2081                 outline(OutlineOut, cur);
2082                 cur.buffer()->updateLabels();
2083                 needsUpdate = true;
2084                 break;
2085
2086         case LFUN_OUTLINE_DRAGMOVE: {
2087                 int const move_id = convert<int>(cmd.getArg(0));
2088                 int const move_to_id = convert<int>(cmd.getArg(1));
2089                 dragMove(cur, move_id, move_to_id);
2090                 setCursor(cur, cur.pit(), 0);
2091                 cur.buffer()->updateLabels();
2092                 needsUpdate = true;
2093                 break;
2094         }
2095
2096         default:
2097                 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
2098                 cur.undispatched();
2099                 break;
2100         }
2101
2102         if (lyxrc.spellcheck_continuously && cur.inTexted())
2103                 // Take this opportunity to spellcheck current word.
2104                 cur.paragraph().isMisspelled(cur.pos());
2105
2106         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
2107
2108         // FIXME: The cursor flag is reset two lines below
2109         // so we need to check here if some of the LFUN did touch that.
2110         // for now only Text::erase() and Text::backspace() do that.
2111         // The plan is to verify all the LFUNs and then to remove this
2112         // singleParUpdate boolean altogether.
2113         if (cur.result().update() & Update::Force) {
2114                 singleParUpdate = false;
2115                 needsUpdate = true;
2116         }
2117
2118         // FIXME: the following code should go in favor of fine grained
2119         // update flag treatment.
2120         if (singleParUpdate) {
2121                 // Inserting characters does not change par height in general. So, try
2122                 // to update _only_ this paragraph. BufferView will detect if a full
2123                 // metrics update is needed anyway.
2124                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
2125                 return;
2126         }
2127
2128         if (!needsUpdate
2129             && &oldTopSlice.inset() == &cur.inset()
2130             && oldTopSlice.idx() == cur.idx()
2131             && !sel // sel is a backup of cur.selection() at the biginning of the function.
2132             && !cur.selection())
2133                 // FIXME: it would be better if we could just do this
2134                 //
2135                 //if (cur.result().update() != Update::FitCursor)
2136                 //      cur.noUpdate();
2137                 //
2138                 // But some LFUNs do not set Update::FitCursor when needed, so we
2139                 // do it for all. This is not very harmfull as FitCursor will provoke
2140                 // a full redraw only if needed but still, a proper review of all LFUN
2141                 // should be done and this needsUpdate boolean can then be removed.
2142                 cur.updateFlags(Update::FitCursor);
2143         else
2144                 cur.updateFlags(Update::Force | Update::FitCursor);
2145 }
2146
2147
2148 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
2149                         FuncStatus & flag) const
2150 {
2151         LASSERT(cur.text() == this, /**/);
2152
2153         FontInfo const & fontinfo = cur.real_current_font.fontInfo();
2154         bool enable = true;
2155         InsetCode code = NO_CODE;
2156
2157         switch (cmd.action) {
2158
2159         case LFUN_DEPTH_DECREMENT:
2160                 enable = changeDepthAllowed(cur, DEC_DEPTH);
2161                 break;
2162
2163         case LFUN_DEPTH_INCREMENT:
2164                 enable = changeDepthAllowed(cur, INC_DEPTH);
2165                 break;
2166
2167         case LFUN_APPENDIX:
2168                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
2169                 break;
2170
2171         case LFUN_DIALOG_SHOW_NEW_INSET:
2172                 if (cmd.argument() == "bibitem")
2173                         code = BIBITEM_CODE;
2174                 else if (cmd.argument() == "bibtex") {
2175                         code = BIBTEX_CODE;
2176                         // not allowed in description items
2177                         enable = !inDescriptionItem(cur);
2178                 }
2179                 else if (cmd.argument() == "box")
2180                         code = BOX_CODE;
2181                 else if (cmd.argument() == "branch")
2182                         code = BRANCH_CODE;
2183                 else if (cmd.argument() == "citation")
2184                         code = CITE_CODE;
2185                 else if (cmd.argument() == "ert")
2186                         code = ERT_CODE;
2187                 else if (cmd.argument() == "external")
2188                         code = EXTERNAL_CODE;
2189                 else if (cmd.argument() == "float")
2190                         code = FLOAT_CODE;
2191                 else if (cmd.argument() == "graphics")
2192                         code = GRAPHICS_CODE;
2193                 else if (cmd.argument() == "href")
2194                         code = HYPERLINK_CODE;
2195                 else if (cmd.argument() == "include")
2196                         code = INCLUDE_CODE;
2197                 else if (cmd.argument() == "index")
2198                         code = INDEX_CODE;
2199                 else if (cmd.argument() == "index_print")
2200                         code = INDEX_PRINT_CODE;
2201                 else if (cmd.argument() == "nomenclature")
2202                         code = NOMENCL_CODE;
2203                 else if (cmd.argument() == "nomencl_print")
2204                         code = NOMENCL_PRINT_CODE;
2205                 else if (cmd.argument() == "label")
2206                         code = LABEL_CODE;
2207                 else if (cmd.argument() == "note")
2208                         code = NOTE_CODE;
2209                 else if (cmd.argument() == "phantom")
2210                         code = PHANTOM_CODE;
2211                 else if (cmd.argument() == "ref")
2212                         code = REF_CODE;
2213                 else if (cmd.argument() == "space")
2214                         code = SPACE_CODE;
2215                 else if (cmd.argument() == "toc")
2216                         code = TOC_CODE;
2217                 else if (cmd.argument() == "vspace")
2218                         code = VSPACE_CODE;
2219                 else if (cmd.argument() == "wrap")
2220                         code = WRAP_CODE;
2221                 else if (cmd.argument() == "listings")
2222                         code = LISTINGS_CODE;
2223                 break;
2224
2225         case LFUN_ERT_INSERT:
2226                 code = ERT_CODE;
2227                 break;
2228         case LFUN_LISTING_INSERT:
2229                 code = LISTINGS_CODE;
2230                 // not allowed in description items
2231                 enable = !inDescriptionItem(cur);
2232                 break;
2233         case LFUN_FOOTNOTE_INSERT:
2234                 code = FOOT_CODE;
2235                 break;
2236         case LFUN_TABULAR_INSERT:
2237                 code = TABULAR_CODE;
2238                 break;
2239         case LFUN_MARGINALNOTE_INSERT:
2240                 code = MARGIN_CODE;
2241                 break;
2242         case LFUN_FLOAT_INSERT:
2243         case LFUN_FLOAT_WIDE_INSERT:
2244                 code = FLOAT_CODE;
2245                 // not allowed in description items
2246                 enable = !inDescriptionItem(cur);
2247                 break;
2248         case LFUN_WRAP_INSERT:
2249                 code = WRAP_CODE;
2250                 // not allowed in description items
2251                 enable = !inDescriptionItem(cur);
2252                 break;
2253         case LFUN_FLOAT_LIST_INSERT:
2254                 code = FLOAT_LIST_CODE;
2255                 // not allowed in description items
2256                 enable = !inDescriptionItem(cur);
2257                 break;
2258         case LFUN_CAPTION_INSERT:
2259                 code = CAPTION_CODE;
2260                 // not allowed in description items
2261                 enable = !inDescriptionItem(cur);
2262                 break;
2263         case LFUN_NOTE_INSERT:
2264                 code = NOTE_CODE;
2265                 // in commands (sections etc.) and description items,
2266                 // only Notes are allowed
2267                 enable = (cmd.argument().empty() || cmd.getArg(0) == "Note" ||
2268                           (!cur.paragraph().layout().isCommand()
2269                            && !inDescriptionItem(cur)));
2270                 break;
2271         case LFUN_FLEX_INSERT: {
2272                 code = FLEX_CODE;
2273                 string s = cmd.getArg(0);
2274                 InsetLayout il =
2275                         cur.buffer()->params().documentClass().insetLayout(from_utf8(s));
2276                 if (il.lyxtype() != InsetLayout::CHARSTYLE &&
2277                     il.lyxtype() != InsetLayout::CUSTOM &&
2278                     il.lyxtype() != InsetLayout::ELEMENT &&
2279                     il.lyxtype ()!= InsetLayout::STANDARD)
2280                         enable = false;
2281                 break;
2282                 }
2283         case LFUN_BOX_INSERT:
2284                 code = BOX_CODE;
2285                 break;
2286         case LFUN_BRANCH_INSERT:
2287                 code = BRANCH_CODE;
2288                 if (cur.buffer()->masterBuffer()->params().branchlist().empty()
2289                     && cur.buffer()->params().branchlist().empty())
2290                         enable = false;
2291                 break;
2292         case LFUN_PHANTOM_INSERT:
2293                 code = PHANTOM_CODE;
2294                 break;
2295         case LFUN_LABEL_INSERT:
2296                 code = LABEL_CODE;
2297                 break;
2298         case LFUN_INFO_INSERT:
2299                 code = INFO_CODE;
2300                 break;
2301         case LFUN_OPTIONAL_INSERT:
2302                 code = OPTARG_CODE;
2303                 enable = cur.paragraph().insetList().count(OPTARG_CODE)
2304                         < cur.paragraph().layout().optionalargs;
2305                 break;
2306         case LFUN_INDEX_INSERT:
2307                 code = INDEX_CODE;
2308                 break;
2309         case LFUN_INDEX_PRINT:
2310                 code = INDEX_PRINT_CODE;
2311                 // not allowed in description items
2312                 enable = !inDescriptionItem(cur);
2313                 break;
2314         case LFUN_NOMENCL_INSERT:
2315                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2316                         enable = false;
2317                         break;
2318                 }
2319                 code = NOMENCL_CODE;
2320                 break;
2321         case LFUN_NOMENCL_PRINT:
2322                 code = NOMENCL_PRINT_CODE;
2323                 // not allowed in description items
2324                 enable = !inDescriptionItem(cur);
2325                 break;
2326         case LFUN_TOC_INSERT:
2327                 code = TOC_CODE;
2328                 // not allowed in description items
2329                 enable = !inDescriptionItem(cur);
2330                 break;
2331         case LFUN_HYPERLINK_INSERT:
2332                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2333                         enable = false;
2334                         break;
2335                 }
2336                 code = HYPERLINK_CODE;
2337                 break;
2338         case LFUN_QUOTE_INSERT:
2339                 // always allow this, since we will inset a raw quote
2340                 // if an inset is not allowed.
2341                 break;
2342         case LFUN_SPECIALCHAR_INSERT:
2343                 code = SPECIALCHAR_CODE;
2344                 break;
2345         case LFUN_SPACE_INSERT:
2346                 // slight hack: we know this is allowed in math mode
2347                 if (cur.inTexted())
2348                         code = SPACE_CODE;
2349                 break;
2350
2351         case LFUN_INSET_MODIFY:
2352                 // We need to disable this, because we may get called for a
2353                 // tabular cell via
2354                 // InsetTabular::getStatus() -> InsetText::getStatus()
2355                 // and we don't handle LFUN_INSET_MODIFY.
2356                 enable = false;
2357                 break;
2358
2359         case LFUN_FONT_EMPH:
2360                 flag.setOnOff(fontinfo.emph() == FONT_ON);
2361                 break;
2362
2363         case LFUN_FONT_ITAL:
2364                 flag.setOnOff(fontinfo.shape() == ITALIC_SHAPE);
2365                 break;
2366
2367         case LFUN_FONT_NOUN:
2368                 flag.setOnOff(fontinfo.noun() == FONT_ON);
2369                 break;
2370
2371         case LFUN_FONT_BOLD:
2372         case LFUN_FONT_BOLDSYMBOL:
2373                 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
2374                 break;
2375
2376         case LFUN_FONT_SANS:
2377                 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
2378                 break;
2379
2380         case LFUN_FONT_ROMAN:
2381                 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
2382                 break;
2383
2384         case LFUN_FONT_TYPEWRITER:
2385                 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2386                 break;
2387
2388         case LFUN_CUT:
2389         case LFUN_COPY:
2390                 enable = cur.selection();
2391                 break;
2392
2393         case LFUN_PASTE: {
2394                 if (cmd.argument().empty()) {
2395                         if (theClipboard().isInternal())
2396                                 enable = cap::numberOfSelections() > 0;
2397                         else
2398                                 enable = !theClipboard().empty();
2399                         break;
2400                 }
2401
2402                 // we have an argument
2403                 string const arg = to_utf8(cmd.argument());
2404                 if (isStrUnsignedInt(arg)) {
2405                         // it's a number and therefore means the internal stack
2406                         unsigned int n = convert<unsigned int>(arg);
2407                         enable = cap::numberOfSelections() > n;
2408                         break;
2409                 }
2410
2411                 // explicit graphics type?
2412                 Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
2413                 if ((arg == "pdf" && (type = Clipboard::PdfGraphicsType))
2414                           || (arg == "png" && (type = Clipboard::PngGraphicsType))
2415                           || (arg == "jpeg" && (type = Clipboard::JpegGraphicsType))
2416                           || (arg == "linkback" &&  (type = Clipboard::LinkBackGraphicsType))
2417                           || (arg == "emf" &&  (type = Clipboard::EmfGraphicsType))
2418                           || (arg == "wmf" &&  (type = Clipboard::WmfGraphicsType))) {
2419                         enable = theClipboard().hasGraphicsContents(type);
2420                         break;
2421                 }
2422
2423                 // unknown argument
2424                 enable = false;
2425                 break;
2426          }
2427
2428         case LFUN_CLIPBOARD_PASTE:
2429                 enable = !theClipboard().empty();
2430                 break;
2431
2432         case LFUN_PRIMARY_SELECTION_PASTE:
2433                 enable = cur.selection() || !theSelection().empty();
2434                 break;
2435
2436         case LFUN_SELECTION_PASTE:
2437                 enable = cap::selection();
2438                 break;
2439
2440         case LFUN_PARAGRAPH_MOVE_UP:
2441                 enable = cur.pit() > 0 && !cur.selection();
2442                 break;
2443
2444         case LFUN_PARAGRAPH_MOVE_DOWN:
2445                 enable = cur.pit() < cur.lastpit() && !cur.selection();
2446                 break;
2447
2448         case LFUN_INSET_DISSOLVE:
2449                 if (!cmd.argument().empty()) {
2450                         InsetLayout const & il = cur.inset().getLayout();
2451                         InsetLayout::InsetLyXType const type =
2452                                         translateLyXType(to_utf8(cmd.argument()));
2453                         enable = cur.inset().lyxCode() == FLEX_CODE
2454                                  && il.lyxtype() == type;
2455                 } else {
2456                         enable = ((!isMainText(cur.bv().buffer())
2457                                       && cur.inset().nargs() == 1)
2458                                   || (cur.nextInset()
2459                                       && cur.nextInset()->nargs() == 1));
2460                 }
2461                 break;
2462
2463         case LFUN_CHANGE_ACCEPT:
2464         case LFUN_CHANGE_REJECT:
2465                 // In principle, these LFUNs should only be enabled if there
2466                 // is a change at the current position/in the current selection.
2467                 // However, without proper optimizations, this will inevitably
2468                 // result in unacceptable performance - just imagine a user who
2469                 // wants to select the complete content of a long document.
2470                 if (!cur.selection()) {
2471                         Change const & change = cur.paragraph().lookupChange(cur.pos());
2472                         enable = change.changed();
2473                 } else
2474                         // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2475                         // for selections.
2476                         enable = true;
2477                 break;
2478
2479         case LFUN_OUTLINE_UP:
2480         case LFUN_OUTLINE_DOWN:
2481         case LFUN_OUTLINE_IN:
2482         case LFUN_OUTLINE_OUT:
2483         case LFUN_OUTLINE_DRAGMOVE:
2484                 // FIXME: LyX is not ready for outlining within inset.
2485                 enable = isMainText(cur.bv().buffer())
2486                         && cur.paragraph().layout().toclevel != Layout::NOT_IN_TOC;
2487                 break;
2488
2489         case LFUN_NEWLINE_INSERT:
2490                 // LaTeX restrictions (labels or empty par)
2491                 enable = (cur.pos() > cur.paragraph().beginOfBody());
2492                 break;
2493
2494         case LFUN_SET_GRAPHICS_GROUP: {
2495                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
2496                 if (!ins)
2497                         enable = false;
2498                 else
2499                         flag.setOnOff(to_utf8(cmd.argument()) == ins->getParams().groupId);
2500                 break;
2501         }
2502
2503         case LFUN_NEWPAGE_INSERT:
2504                 // not allowed in description items
2505                 enable = !inDescriptionItem(cur);
2506                 break;
2507
2508         case LFUN_MATH_INSERT:
2509         case LFUN_MATH_AMS_MATRIX:
2510         case LFUN_MATH_MATRIX:
2511         case LFUN_MATH_DELIM:
2512         case LFUN_MATH_BIGDELIM:
2513                 // not allowed in ERT, for example.
2514                 enable = cur.inset().insetAllowed(MATH_CODE);
2515                 break;
2516
2517         case LFUN_DATE_INSERT: {
2518                 string const format = cmd.argument().empty()
2519                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
2520                 enable = support::os::is_valid_strftime(format);
2521                 break;
2522         }
2523
2524         case LFUN_WORD_DELETE_FORWARD:
2525         case LFUN_WORD_DELETE_BACKWARD:
2526         case LFUN_LINE_DELETE:
2527         case LFUN_WORD_FORWARD:
2528         case LFUN_WORD_BACKWARD:
2529         case LFUN_WORD_RIGHT:
2530         case LFUN_WORD_LEFT:
2531         case LFUN_CHAR_FORWARD:
2532         case LFUN_CHAR_FORWARD_SELECT:
2533         case LFUN_CHAR_BACKWARD:
2534         case LFUN_CHAR_BACKWARD_SELECT:
2535         case LFUN_CHAR_LEFT:
2536         case LFUN_CHAR_LEFT_SELECT:
2537         case LFUN_CHAR_RIGHT:
2538         case LFUN_CHAR_RIGHT_SELECT:
2539         case LFUN_UP:
2540         case LFUN_UP_SELECT:
2541         case LFUN_DOWN:
2542         case LFUN_DOWN_SELECT:
2543         case LFUN_PARAGRAPH_UP_SELECT:
2544         case LFUN_PARAGRAPH_DOWN_SELECT:
2545         case LFUN_LINE_BEGIN_SELECT:
2546         case LFUN_LINE_END_SELECT:
2547         case LFUN_WORD_FORWARD_SELECT:
2548         case LFUN_WORD_BACKWARD_SELECT:
2549         case LFUN_WORD_RIGHT_SELECT:
2550         case LFUN_WORD_LEFT_SELECT:
2551         case LFUN_WORD_SELECT:
2552         case LFUN_SECTION_SELECT:
2553         case LFUN_PARAGRAPH_UP:
2554         case LFUN_PARAGRAPH_DOWN:
2555         case LFUN_LINE_BEGIN:
2556         case LFUN_LINE_END:
2557         case LFUN_CHAR_DELETE_FORWARD:
2558         case LFUN_CHAR_DELETE_BACKWARD:
2559         case LFUN_BREAK_PARAGRAPH:
2560         case LFUN_PARAGRAPH_SPACING:
2561         case LFUN_INSET_INSERT:
2562         case LFUN_WORD_UPCASE:
2563         case LFUN_WORD_LOWCASE:
2564         case LFUN_WORD_CAPITALIZE:
2565         case LFUN_CHARS_TRANSPOSE:
2566         case LFUN_SERVER_GET_XY:
2567         case LFUN_SERVER_SET_XY:
2568         case LFUN_SERVER_GET_LAYOUT:
2569         case LFUN_LAYOUT:
2570         case LFUN_SELF_INSERT:
2571         case LFUN_LINE_INSERT:
2572         case LFUN_MATH_DISPLAY:
2573         case LFUN_MATH_MODE:
2574         case LFUN_MATH_MACRO:
2575         case LFUN_MATH_SUBSCRIPT:
2576         case LFUN_MATH_SUPERSCRIPT:
2577         case LFUN_FONT_DEFAULT:
2578         case LFUN_FONT_UNDERLINE:
2579         case LFUN_FONT_STRIKEOUT:
2580         case LFUN_FONT_UULINE:
2581         case LFUN_FONT_UWAVE:
2582         case LFUN_FONT_SIZE:
2583         case LFUN_LANGUAGE:
2584         case LFUN_TEXTSTYLE_APPLY:
2585         case LFUN_TEXTSTYLE_UPDATE:
2586         case LFUN_LAYOUT_PARAGRAPH:
2587         case LFUN_PARAGRAPH_UPDATE:
2588         case LFUN_ACCENT_UMLAUT:
2589         case LFUN_ACCENT_CIRCUMFLEX:
2590         case LFUN_ACCENT_GRAVE:
2591         case LFUN_ACCENT_ACUTE:
2592         case LFUN_ACCENT_TILDE:
2593         case LFUN_ACCENT_CEDILLA:
2594         case LFUN_ACCENT_MACRON:
2595         case LFUN_ACCENT_DOT:
2596         case LFUN_ACCENT_UNDERDOT:
2597         case LFUN_ACCENT_UNDERBAR:
2598         case LFUN_ACCENT_CARON:
2599         case LFUN_ACCENT_BREVE:
2600         case LFUN_ACCENT_TIE:
2601         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2602         case LFUN_ACCENT_CIRCLE:
2603         case LFUN_ACCENT_OGONEK:
2604         case LFUN_THESAURUS_ENTRY:
2605         case LFUN_PARAGRAPH_PARAMS_APPLY:
2606         case LFUN_PARAGRAPH_PARAMS:
2607         case LFUN_ESCAPE:
2608         case LFUN_BUFFER_BEGIN:
2609         case LFUN_BUFFER_END:
2610         case LFUN_BUFFER_BEGIN_SELECT:
2611         case LFUN_BUFFER_END_SELECT:
2612         case LFUN_INSET_BEGIN:
2613         case LFUN_INSET_END:
2614         case LFUN_INSET_BEGIN_SELECT:
2615         case LFUN_INSET_END_SELECT:
2616         case LFUN_UNICODE_INSERT:
2617                 // these are handled in our dispatch()
2618                 enable = true;
2619                 break;
2620
2621         default:
2622                 return false;
2623         }
2624
2625         if (code != NO_CODE
2626             && (cur.empty() || !cur.inset().insetAllowed(code)))
2627                 enable = false;
2628
2629         flag.setEnabled(enable);
2630         return true;
2631 }
2632
2633
2634 void Text::pasteString(Cursor & cur, docstring const & clip,
2635                 bool asParagraphs)
2636 {
2637         cur.clearSelection();
2638         if (!clip.empty()) {
2639                 cur.recordUndo();
2640                 if (asParagraphs)
2641                         insertStringAsParagraphs(cur, clip);
2642                 else
2643                         insertStringAsLines(cur, clip);
2644         }
2645 }
2646
2647
2648 // FIXME: an item inset would make things much easier.
2649 bool Text::inDescriptionItem(Cursor & cur) const
2650 {
2651         Paragraph & par = cur.paragraph();
2652         pos_type const pos = cur.pos();
2653         pos_type const body_pos = par.beginOfBody();
2654
2655         if (par.layout().latextype != LATEX_LIST_ENVIRONMENT
2656             && (par.layout().latextype != LATEX_ITEM_ENVIRONMENT
2657                 || par.layout().margintype != MARGIN_FIRST_DYNAMIC))
2658                 return false;
2659
2660         return (pos < body_pos
2661                 || (pos == body_pos
2662                     && (pos == 0 || par.getChar(pos - 1) != ' ')));
2663 }
2664
2665 } // namespace lyx