src/Text3.cpp

   1 /**
   2  * \file text3.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "Text.h"
  19
  20 #include "Bidi.h"
  21 #include "BranchList.h"
  22 #include "FloatList.h"
  23 #include "FuncStatus.h"
  24 #include "Buffer.h"
  25 #include "buffer_funcs.h"
  26 #include "BufferParams.h"
  27 #include "BufferView.h"
  28 #include "Cursor.h"
  29 #include "CutAndPaste.h"
  30 #include "DispatchResult.h"
  31 #include "ErrorList.h"
  32 #include "factory.h"
  33 #include "FuncRequest.h"
  34 #include "InsetList.h"
  35 #include "Intl.h"
  36 #include "Language.h"
  37 #include "Layout.h"
  38 #include "LyXAction.h"
  39 #include "LyXFunc.h"
  40 #include "Lexer.h"
  41 #include "LyXRC.h"
  42 #include "Paragraph.h"
  43 #include "paragraph_funcs.h"
  44 #include "ParagraphParameters.h"
  45 #include "TextClass.h"
  46 #include "TextMetrics.h"
  47 #include "VSpace.h"
  48
  49 #include "frontends/Clipboard.h"
  50 #include "frontends/Selection.h"
  51
  52 #include "insets/InsetCollapsable.h"
  53 #include "insets/InsetCommand.h"
  54 #include "insets/InsetFloatList.h"
  55 #include "insets/InsetNewline.h"
  56 #include "insets/InsetQuotes.h"
  57 #include "insets/InsetSpecialChar.h"
  58 #include "insets/InsetText.h"
  59 #include "insets/InsetInfo.h"
  60 #include "insets/InsetGraphics.h"
  61 #include "insets/InsetGraphicsParams.h"
  62
  63 #include "support/convert.h"
  64 #include "support/debug.h"
  65 #include "support/gettext.h"
  66 #include "support/lstrings.h"
  67 #include "support/lyxtime.h"
  68
  69 #include "mathed/InsetMathHull.h"
  70 #include "mathed/MathMacroTemplate.h"
  71
  72 #include <boost/next_prior.hpp>
  73
  74 #include <clocale>
  75 #include <sstream>
  76
  77 using namespace std;
  78 using namespace lyx::support;
  79
  80 namespace lyx {
  81
  82 using cap::copySelection;
  83 using cap::cutSelection;
  84 using cap::pasteFromStack;
  85 using cap::pasteClipboardText;
  86 using cap::pasteClipboardGraphics;
  87 using cap::replaceSelection;
  88
  89 // globals...
  90 static Font freefont(ignore_font, ignore_language);
  91 static bool toggleall = false;
  92
  93 static void toggleAndShow(Cursor & cur, Text * text,
  94         Font const & font, bool toggleall = true)
  95 {
  96         text->toggleFree(cur, font, toggleall);
  97
  98         if (font.language() != ignore_language ||
  99             font.fontInfo().number() != FONT_IGNORE) {
 100                 TextMetrics const & tm = cur.bv().textMetrics(text);
 101                 if (cur.boundary() != tm.isRTLBoundary(cur.pit(), cur.pos(),
 102                                                        cur.real_current_font))
 103                         text->setCursor(cur, cur.pit(), cur.pos(),
 104                                         false, !cur.boundary());
 105         }
 106 }
 107
 108
 109 static void moveCursor(Cursor & cur, bool selecting)
 110 {
 111         if (selecting || cur.mark())
 112                 cur.setSelection();
 113 }
 114
 115
 116 static void finishChange(Cursor & cur, bool selecting)
 117 {
 118         cur.finishUndo();
 119         moveCursor(cur, selecting);
 120 }
 121
 122
 123 static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 124 {
 125         cur.recordUndo();
 126         docstring sel = cur.selectionAsString(false);
 127
 128         // It may happen that sel is empty but there is a selection
 129         replaceSelection(cur);
 130
 131         if (sel.empty()) {
 132 #ifdef ENABLE_ASSERTIONS
 133                 const int old_pos = cur.pos();
 134 #endif
 135                 cur.insert(new InsetMathHull(hullSimple));
 136 #ifdef ENABLE_ASSERTIONS
 137                 LASSERT(old_pos == cur.pos(), /**/);
 138 #endif
 139                 cur.nextInset()->edit(cur, true);
 140                 // don't do that also for LFUN_MATH_MODE
 141                 // unless you want end up with always changing
 142                 // to mathrm when opening an inlined inset --
 143                 // I really hate "LyXfunc overloading"...
 144                 if (display)
 145                         cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 146                 // Avoid an unnecessary undo step if cmd.argument
 147                 // is empty
 148                 if (!cmd.argument().empty())
 149                         cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 150                                                  cmd.argument()));
 151         } else {
 152                 // create a macro if we see "\\newcommand"
 153                 // somewhere, and an ordinary formula
 154                 // otherwise
 155                 if (sel.find(from_ascii("\\newcommand")) == string::npos
 156                                 && sel.find(from_ascii("\\newlyxcommand")) == string::npos
 157                                 && sel.find(from_ascii("\\def")) == string::npos)
 158                 {
 159                         InsetMathHull * formula = new InsetMathHull;
 160                         istringstream is(to_utf8(sel));
 161                         Lexer lex;
 162                         lex.setStream(is);
 163                         formula->read(lex);
 164                         if (formula->getType() == hullNone)
 165                                 // Don't create pseudo formulas if
 166                                 // delimiters are left out
 167                                 formula->mutate(hullSimple);
 168                         cur.insert(formula);
 169                 } else {
 170                         cur.insert(new MathMacroTemplate(sel));
 171                 }
 172         }
 173         cur.message(from_utf8(N_("Math editor mode")));
 174 }
 175
 176
 177 static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 178 {
 179         cur.recordUndo();
 180         cap::replaceSelection(cur);
 181         cur.insert(new InsetSpecialChar(kind));
 182         cur.posForward();
 183 }
 184
 185
 186 static bool doInsertInset(Cursor & cur, Text * text,
 187         FuncRequest const & cmd, bool edit, bool pastesel)
 188 {
 189         Buffer & buffer = cur.bv().buffer();
 190         BufferParams const & bparams = buffer.params();
 191         Inset * inset = createInset(buffer, cmd);
 192         if (!inset)
 193                 return false;
 194
 195         if (InsetCollapsable * ci = inset->asInsetCollapsable())
 196                 ci->setLayout(bparams);
 197
 198         cur.recordUndo();
 199         if (cmd.action == LFUN_INDEX_INSERT) {
 200                 docstring ds = subst(text->getStringToIndex(cur), '\n', ' ');
 201                 text->insertInset(cur, inset);
 202                 if (edit)
 203                         inset->edit(cur, true);
 204                 // Now put this into inset
 205                 static_cast<InsetCollapsable *>(inset)->text().insertStringAsParagraphs(cur, ds);
 206                 return true;
 207         }
 208
 209         bool gotsel = false;
 210         if (cur.selection()) {
 211                 cutSelection(cur, false, pastesel);
 212                 cur.clearSelection();
 213                 gotsel = true;
 214         }
 215         text->insertInset(cur, inset);
 216
 217         if (edit)
 218                 inset->edit(cur, true);
 219
 220         if (!gotsel || !pastesel)
 221                 return true;
 222
 223         pasteFromStack(cur, cur.buffer().errorList("Paste"), 0);
 224         cur.buffer().errors("Paste");
 225         cur.clearSelection(); // bug 393
 226         cur.finishUndo();
 227         InsetText * insetText = dynamic_cast<InsetText *>(inset);
 228         if (insetText && !insetText->allowMultiPar() || cur.lastpit() == 0) {
 229                 // reset first par to default
 230                 cur.text()->paragraphs().begin()
 231                         ->setPlainOrDefaultLayout(bparams.documentClass());
 232                 cur.pos() = 0;
 233                 cur.pit() = 0;
 234                 // Merge multiple paragraphs -- hack
 235                 while (cur.lastpit() > 0)
 236                         mergeParagraph(bparams, cur.text()->paragraphs(), 0);
 237                 cur.leaveInset(*inset);
 238         } else {
 239                 cur.leaveInset(*inset);
 240                 // reset surrounding par to default
 241                 docstring const layoutname = insetText->usePlainLayout()
 242                         ? bparams.documentClass().plainLayoutName()
 243                         : bparams.documentClass().defaultLayoutName();
 244                 text->setLayout(cur, layoutname);
 245         }
 246
 247         return true;
 248 }
 249
 250
 251 string const freefont2string()
 252 {
 253         return freefont.toString(toggleall);
 254 }
 255
 256
 257 /// the type of outline operation
 258 enum OutlineOp {
 259         OutlineUp, // Move this header with text down
 260         OutlineDown,   // Move this header with text up
 261         OutlineIn, // Make this header deeper
 262         OutlineOut // Make this header shallower
 263 };
 264
 265
 266 static void outline(OutlineOp mode, Cursor & cur)
 267 {
 268         Buffer & buf = cur.buffer();
 269         pit_type & pit = cur.pit();
 270         ParagraphList & pars = buf.text().paragraphs();
 271         ParagraphList::iterator bgn = pars.begin();
 272         // The first paragraph of the area to be copied:
 273         ParagraphList::iterator start = boost::next(bgn, pit);
 274         // The final paragraph of area to be copied:
 275         ParagraphList::iterator finish = start;
 276         ParagraphList::iterator end = pars.end();
 277
 278         DocumentClass const & tc = buf.params().documentClass();
 279
 280         int const thistoclevel = start->layout().toclevel;
 281         int toclevel;
 282
 283         // Move out (down) from this section header
 284         if (finish != end)
 285                 ++finish;
 286         // Seek the one (on same level) below
 287         for (; finish != end; ++finish) {
 288                 toclevel = finish->layout().toclevel;
 289                 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel) {
 290                         break;
 291                 }
 292         }
 293
 294         switch (mode) {
 295                 case OutlineUp: {
 296                         if (start == pars.begin())
 297                                 // Nothing to move.
 298                                 return;
 299                         ParagraphList::iterator dest = start;
 300                         // Move out (up) from this header
 301                         if (dest == bgn)
 302                                 return;
 303                         // Search previous same-level header above
 304                         do {
 305                                 --dest;
 306                                 toclevel = dest->layout().toclevel;
 307                         } while(dest != bgn
 308                                 && (toclevel == Layout::NOT_IN_TOC
 309                                     || toclevel > thistoclevel));
 310                         // Not found; do nothing
 311                         if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
 312                                 return;
 313                         pit_type const newpit = distance(bgn, dest);
 314                         pit_type const len = distance(start, finish);
 315                         pit_type const deletepit = pit + len;
 316                         buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
 317                         pars.insert(dest, start, finish);
 318                         start = boost::next(pars.begin(), deletepit);
 319                         pit = newpit;
 320                         pars.erase(start, finish);
 321                         return;
 322                 }
 323                 case OutlineDown: {
 324                         if (finish == end)
 325                                 // Nothing to move.
 326                                 return;
 327                         // Go one down from *this* header:
 328                         ParagraphList::iterator dest = boost::next(finish, 1);
 329                         // Go further down to find header to insert in front of:
 330                         for (; dest != end; ++dest) {
 331                                 toclevel = dest->layout().toclevel;
 332                                 if (toclevel != Layout::NOT_IN_TOC
 333                                     && toclevel <= thistoclevel) {
 334                                         break;
 335                                 }
 336                         }
 337                         // One such was found:
 338                         pit_type newpit = distance(bgn, dest);
 339                         pit_type const len = distance(start, finish);
 340                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
 341                         pars.insert(dest, start, finish);
 342                         start = boost::next(bgn, pit);
 343                         pit = newpit - len;
 344                         pars.erase(start, finish);
 345                         return;
 346                 }
 347                 case OutlineIn: {
 348                         pit_type const len = distance(start, finish);
 349                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 350                         for (; start != finish; ++start) {
 351                                 toclevel = start->layout().toclevel;
 352                                 if (toclevel == Layout::NOT_IN_TOC)
 353                                         continue;
 354                                 DocumentClass::const_iterator lit = tc.begin();
 355                                 DocumentClass::const_iterator len = tc.end();
 356                                 for (; lit != len; ++lit) {
 357                                         if (lit->toclevel == toclevel + 1 &&
 358                                             start->layout().labeltype == lit->labeltype) {
 359                                                 start->setLayout(*lit);
 360                                                 break;
 361                                         }
 362                                 }
 363                         }
 364                         return;
 365                 }
 366                 case OutlineOut: {
 367                         pit_type const len = distance(start, finish);
 368                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 369                         for (; start != finish; ++start) {
 370                                 toclevel = start->layout().toclevel;
 371                                 if (toclevel == Layout::NOT_IN_TOC)
 372                                         continue;
 373                                 DocumentClass::const_iterator lit = tc.begin();
 374                                 DocumentClass::const_iterator len = tc.end();
 375                                 for (; lit != len; ++lit) {
 376                                         if (lit->toclevel == toclevel - 1 &&
 377                                                 start->layout().labeltype == lit->labeltype) {
 378                                                         start->setLayout(*lit);
 379                                                         break;
 380                                         }
 381                                 }
 382                         }
 383                         return;
 384                 }
 385         }
 386 }
 387
 388
 389 void Text::number(Cursor & cur)
 390 {
 391         FontInfo font = ignore_font;
 392         font.setNumber(FONT_TOGGLE);
 393         toggleAndShow(cur, this, Font(font, ignore_language));
 394 }
 395
 396
 397 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 398 {
 399         return par.isRTL(buffer.params());
 400 }
 401
 402
 403 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 404 {
 405         LYXERR(Debug::ACTION, "Text::dispatch: cmd: " << cmd);
 406
 407         BufferView * bv = &cur.bv();
 408         TextMetrics & tm = bv->textMetrics(this);
 409         if (!tm.contains(cur.pit()))
 410                 lyx::dispatch(FuncRequest(LFUN_SCREEN_RECENTER));
 411
 412         // FIXME: We use the update flag to indicates wether a singlePar or a
 413         // full screen update is needed. We reset it here but shall we restore it
 414         // at the end?
 415         cur.noUpdate();
 416
 417         LASSERT(cur.text() == this, /**/);
 418         CursorSlice oldTopSlice = cur.top();
 419         bool oldBoundary = cur.boundary();
 420         bool sel = cur.selection();
 421         // Signals that, even if needsUpdate == false, an update of the
 422         // cursor paragraph is required
 423         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 424                 LyXAction::SingleParUpdate);
 425         // Signals that a full-screen update is required
 426         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 427                 LyXAction::NoUpdate) || singleParUpdate);
 428
 429         switch (cmd.action) {
 430
 431         case LFUN_PARAGRAPH_MOVE_DOWN: {
 432                 pit_type const pit = cur.pit();
 433                 recUndo(cur, pit, pit + 1);
 434                 cur.finishUndo();
 435                 swap(pars_[pit], pars_[pit + 1]);
 436                 updateLabels(cur.buffer());
 437                 needsUpdate = true;
 438                 ++cur.pit();
 439                 break;
 440         }
 441
 442         case LFUN_PARAGRAPH_MOVE_UP: {
 443                 pit_type const pit = cur.pit();
 444                 recUndo(cur, pit - 1, pit);
 445                 cur.finishUndo();
 446                 swap(pars_[pit], pars_[pit - 1]);
 447                 updateLabels(cur.buffer());
 448                 --cur.pit();
 449                 needsUpdate = true;
 450                 break;
 451         }
 452
 453         case LFUN_APPENDIX: {
 454                 Paragraph & par = cur.paragraph();
 455                 bool start = !par.params().startOfAppendix();
 456
 457 // FIXME: The code below only makes sense at top level.
 458 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 459                 // ensure that we have only one start_of_appendix in this document
 460                 // FIXME: this don't work for multipart document!
 461                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 462                         if (pars_[tmp].params().startOfAppendix()) {
 463                                 recUndo(cur, tmp);
 464                                 pars_[tmp].params().startOfAppendix(false);
 465                                 break;
 466                         }
 467                 }
 468
 469                 cur.recordUndo();
 470                 par.params().startOfAppendix(start);
 471
 472                 // we can set the refreshing parameters now
 473                 updateLabels(cur.buffer());
 474                 break;
 475         }
 476
 477         case LFUN_WORD_DELETE_FORWARD:
 478                 if (cur.selection()) {
 479                         cutSelection(cur, true, false);
 480                 } else
 481                         deleteWordForward(cur);
 482                 finishChange(cur, false);
 483                 break;
 484
 485         case LFUN_WORD_DELETE_BACKWARD:
 486                 if (cur.selection()) {
 487                         cutSelection(cur, true, false);
 488                 } else
 489                         deleteWordBackward(cur);
 490                 finishChange(cur, false);
 491                 break;
 492
 493         case LFUN_LINE_DELETE:
 494                 if (cur.selection()) {
 495                         cutSelection(cur, true, false);
 496                 } else
 497                         tm.deleteLineForward(cur);
 498                 finishChange(cur, false);
 499                 break;
 500
 501         case LFUN_BUFFER_BEGIN:
 502         case LFUN_BUFFER_BEGIN_SELECT:
 503                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 504                 if (cur.depth() == 1) {
 505                         needsUpdate |= cursorTop(cur);
 506                 } else {
 507                         cur.undispatched();
 508                 }
 509                 cur.updateFlags(Update::FitCursor);
 510                 break;
 511
 512         case LFUN_BUFFER_END:
 513         case LFUN_BUFFER_END_SELECT:
 514                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 515                 if (cur.depth() == 1) {
 516                         needsUpdate |= cursorBottom(cur);
 517                 } else {
 518                         cur.undispatched();
 519                 }
 520                 cur.updateFlags(Update::FitCursor);
 521                 break;
 522
 523         case LFUN_CHAR_FORWARD:
 524         case LFUN_CHAR_FORWARD_SELECT:
 525                 //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
 526                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 527                 needsUpdate |= cursorForward(cur);
 528
 529                 if (!needsUpdate && oldTopSlice == cur.top()
 530                                 && cur.boundary() == oldBoundary) {
 531                         cur.undispatched();
 532                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 533                 }
 534                 break;
 535
 536         case LFUN_CHAR_BACKWARD:
 537         case LFUN_CHAR_BACKWARD_SELECT:
 538                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 539                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 540                 needsUpdate |= cursorBackward(cur);
 541
 542                 if (!needsUpdate && oldTopSlice == cur.top()
 543                         && cur.boundary() == oldBoundary) {
 544                         cur.undispatched();
 545                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 546                 }
 547                 break;
 548
 549         case LFUN_CHAR_LEFT:
 550         case LFUN_CHAR_LEFT_SELECT:
 551                 if (lyxrc.visual_cursor) {
 552                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_LEFT_SELECT);
 553                         needsUpdate |= cursorVisLeft(cur);
 554                         if (!needsUpdate && oldTopSlice == cur.top()
 555                                         && cur.boundary() == oldBoundary) {
 556                                 cur.undispatched();
 557                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 558                         }
 559                 } else {
 560                         if (reverseDirectionNeeded(cur)) {
 561                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 562                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 563                         } else {
 564                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 565                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 566                         }
 567                         dispatch(cur, cmd);
 568                         return;
 569                 }
 570                 break;
 571
 572         case LFUN_CHAR_RIGHT:
 573         case LFUN_CHAR_RIGHT_SELECT:
 574                 if (lyxrc.visual_cursor) {
 575                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_RIGHT_SELECT);
 576                         needsUpdate |= cursorVisRight(cur);
 577                         if (!needsUpdate && oldTopSlice == cur.top()
 578                                         && cur.boundary() == oldBoundary) {
 579                                 cur.undispatched();
 580                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 581                         }
 582                 } else {
 583                         if (reverseDirectionNeeded(cur)) {
 584                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 585                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 586                         } else {
 587                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 588                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 589                         }
 590                         dispatch(cur, cmd);
 591                         return;
 592                 }
 593                 break;
 594
 595
 596         case LFUN_UP_SELECT:
 597         case LFUN_DOWN_SELECT:
 598         case LFUN_UP:
 599         case LFUN_DOWN: {
 600                 // stop/start the selection
 601                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 602                         cmd.action == LFUN_UP_SELECT;
 603                 cur.selHandle(select);
 604
 605                 // move cursor up/down
 606                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 607                 bool const successful = cur.upDownInText(up, needsUpdate);
 608                 if (successful) {
 609                         // redraw if you leave mathed (for the decorations)
 610                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 611                 } else
 612                         cur.undispatched();
 613
 614                 break;
 615         }
 616
 617         case LFUN_PARAGRAPH_UP:
 618         case LFUN_PARAGRAPH_UP_SELECT:
 619                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 620                 needsUpdate |= cursorUpParagraph(cur);
 621                 break;
 622
 623         case LFUN_PARAGRAPH_DOWN:
 624         case LFUN_PARAGRAPH_DOWN_SELECT:
 625                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 626                 needsUpdate |= cursorDownParagraph(cur);
 627                 break;
 628
 629         case LFUN_LINE_BEGIN:
 630         case LFUN_LINE_BEGIN_SELECT:
 631                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 632                 needsUpdate |= tm.cursorHome(cur);
 633                 break;
 634
 635         case LFUN_LINE_END:
 636         case LFUN_LINE_END_SELECT:
 637                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 638                 needsUpdate |= tm.cursorEnd(cur);
 639                 break;
 640
 641         case LFUN_WORD_RIGHT:
 642         case LFUN_WORD_RIGHT_SELECT:
 643                 if (lyxrc.visual_cursor) {
 644                         needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_RIGHT_SELECT);
 645                         needsUpdate |= cursorVisRightOneWord(cur);
 646                         if (!needsUpdate && oldTopSlice == cur.top()
 647                                         && cur.boundary() == oldBoundary) {
 648                                 cur.undispatched();
 649                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 650                         }
 651                 } else {
 652                         if (reverseDirectionNeeded(cur)) {
 653                                 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 654                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 655                         } else {
 656                                 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 657                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 658                         }
 659                         dispatch(cur, cmd);
 660                         return;
 661                 }
 662                 break;
 663
 664         case LFUN_WORD_FORWARD:
 665         case LFUN_WORD_FORWARD_SELECT:
 666                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 667                 needsUpdate |= cursorForwardOneWord(cur);
 668                 break;
 669
 670         case LFUN_WORD_LEFT:
 671         case LFUN_WORD_LEFT_SELECT:
 672                 if (lyxrc.visual_cursor) {
 673                         needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_LEFT_SELECT);
 674                         needsUpdate |= cursorVisLeftOneWord(cur);
 675                         if (!needsUpdate && oldTopSlice == cur.top()
 676                                         && cur.boundary() == oldBoundary) {
 677                                 cur.undispatched();
 678                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 679                         }
 680                 } else {
 681                         if (reverseDirectionNeeded(cur)) {
 682                                 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 683                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 684                         } else {
 685                                 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 686                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 687                         }
 688                         dispatch(cur, cmd);
 689                         return;
 690                 }
 691                 break;
 692
 693         case LFUN_WORD_BACKWARD:
 694         case LFUN_WORD_BACKWARD_SELECT:
 695                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 696                 needsUpdate |= cursorBackwardOneWord(cur);
 697                 break;
 698
 699         case LFUN_WORD_SELECT: {
 700                 selectWord(cur, WHOLE_WORD);
 701                 finishChange(cur, true);
 702                 break;
 703         }
 704
 705         case LFUN_NEWLINE_INSERT: {
 706                 InsetNewlineParams inp;
 707                 docstring arg = cmd.argument();
 708                 // this avoids a double undo
 709                 // FIXME: should not be needed, ideally
 710                 if (!cur.selection())
 711                         cur.recordUndo();
 712                 cap::replaceSelection(cur);
 713                 if (arg == "linebreak")
 714                         inp.kind = InsetNewlineParams::LINEBREAK;
 715                 else
 716                         inp.kind = InsetNewlineParams::NEWLINE;
 717                 cur.insert(new InsetNewline(inp));
 718                 cur.posForward();
 719                 moveCursor(cur, false);
 720                 break;
 721         }
 722
 723         case LFUN_CHAR_DELETE_FORWARD:
 724                 if (!cur.selection()) {
 725                         if (cur.pos() == cur.paragraph().size())
 726                                 // Par boundary, force full-screen update
 727                                 singleParUpdate = false;
 728                         needsUpdate |= erase(cur);
 729                         cur.resetAnchor();
 730                         // It is possible to make it a lot faster still
 731                         // just comment out the line below...
 732                 } else {
 733                         cutSelection(cur, true, false);
 734                         singleParUpdate = false;
 735                 }
 736                 moveCursor(cur, false);
 737                 break;
 738
 739         case LFUN_CHAR_DELETE_BACKWARD:
 740                 if (!cur.selection()) {
 741                         if (bv->getIntl().getTransManager().backspace()) {
 742                                 // Par boundary, full-screen update
 743                                 if (cur.pos() == 0)
 744                                         singleParUpdate = false;
 745                                 needsUpdate |= backspace(cur);
 746                                 cur.resetAnchor();
 747                                 // It is possible to make it a lot faster still
 748                                 // just comment out the line below...
 749                         }
 750                 } else {
 751                         cutSelection(cur, true, false);
 752                         singleParUpdate = false;
 753                 }
 754                 break;
 755
 756         case LFUN_BREAK_PARAGRAPH:
 757                 cap::replaceSelection(cur);
 758                 breakParagraph(cur, cmd.argument() == "inverse");
 759                 cur.resetAnchor();
 760                 break;
 761
 762         // TODO
 763         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 764         // as its duties can be performed there. Should it be removed??
 765         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 766         case LFUN_PARAGRAPH_SPACING: {
 767                 Paragraph & par = cur.paragraph();
 768                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 769                 string cur_value = "1.0";
 770                 if (cur_spacing == Spacing::Other)
 771                         cur_value = par.params().spacing().getValueAsString();
 772
 773                 istringstream is(to_utf8(cmd.argument()));
 774                 string tmp;
 775                 is >> tmp;
 776                 Spacing::Space new_spacing = cur_spacing;
 777                 string new_value = cur_value;
 778                 if (tmp.empty()) {
 779                         lyxerr << "Missing argument to `paragraph-spacing'"
 780                                << endl;
 781                 } else if (tmp == "single") {
 782                         new_spacing = Spacing::Single;
 783                 } else if (tmp == "onehalf") {
 784                         new_spacing = Spacing::Onehalf;
 785                 } else if (tmp == "double") {
 786                         new_spacing = Spacing::Double;
 787                 } else if (tmp == "other") {
 788                         new_spacing = Spacing::Other;
 789                         string tmpval = "0.0";
 790                         is >> tmpval;
 791                         lyxerr << "new_value = " << tmpval << endl;
 792                         if (tmpval != "0.0")
 793                                 new_value = tmpval;
 794                 } else if (tmp == "default") {
 795                         new_spacing = Spacing::Default;
 796                 } else {
 797                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 798                                << to_utf8(cmd.argument()) << endl;
 799                 }
 800                 if (cur_spacing != new_spacing || cur_value != new_value)
 801                         par.params().spacing(Spacing(new_spacing, new_value));
 802                 break;
 803         }
 804
 805         case LFUN_INSET_INSERT: {
 806                 cur.recordUndo();
 807                 Inset * inset = createInset(bv->buffer(), cmd);
 808                 if (inset) {
 809                         // FIXME (Abdel 01/02/2006):
 810                         // What follows would be a partial fix for bug 2154:
 811                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 812                         // This automatically put the label inset _after_ a
 813                         // numbered section. It should be possible to extend the mechanism
 814                         // to any kind of LateX environement.
 815                         // The correct way to fix that bug would be at LateX generation.
 816                         // I'll let the code here for reference as it could be used for some
 817                         // other feature like "automatic labelling".
 818                         /*
 819                         Paragraph & par = pars_[cur.pit()];
 820                         if (inset->lyxCode() == LABEL_CODE
 821                                 && par.layout().labeltype == LABEL_COUNTER) {
 822                                 // Go to the end of the paragraph
 823                                 // Warning: Because of Change-Tracking, the last
 824                                 // position is 'size()' and not 'size()-1':
 825                                 cur.pos() = par.size();
 826                                 // Insert a new paragraph
 827                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 828                                 dispatch(cur, fr);
 829                         }
 830                         */
 831                         if (cur.selection())
 832                                 cutSelection(cur, true, false);
 833                         cur.insert(inset);
 834                         cur.posForward();
 835                 }
 836                 break;
 837         }
 838
 839         case LFUN_INSET_DISSOLVE:
 840                 needsUpdate |= dissolveInset(cur);
 841                 break;
 842
 843         case LFUN_INSET_SETTINGS: {
 844                 Inset & inset = cur.inset();
 845                 if (cmd.getArg(0) == insetName(inset.lyxCode())) {
 846                         // This inset dialog has been explicitely requested.
 847                         inset.showInsetDialog(bv);
 848                         break;
 849                 }
 850                 // else, if there is an inset at the cursor, access this
 851                 Inset * next_inset = cur.nextInset();
 852                 if (next_inset) {
 853                         next_inset->showInsetDialog(bv);
 854                         break;
 855                 }
 856                 // if not then access the underlying inset.
 857                 inset.showInsetDialog(bv);
 858                 break;
 859         }
 860
 861         case LFUN_SET_GRAPHICS_GROUP: {
 862                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
 863                 if (!ins)
 864                         break;
 865
 866                 cur.recordUndoFullDocument();
 867
 868                 string id = to_utf8(cmd.argument());
 869                 string grp = graphics::getGroupParams(bv->buffer(), id);
 870                 InsetGraphicsParams tmp, inspar = ins->getParams();
 871
 872                 if (id.empty())
 873                         inspar.groupId = to_utf8(cmd.argument());
 874                 else {
 875                         InsetGraphics::string2params(grp, bv->buffer(), tmp);
 876                         tmp.filename = inspar.filename;
 877                         inspar = tmp;
 878                 }
 879
 880                 ins->setParams(inspar);
 881         }
 882
 883         case LFUN_SPACE_INSERT:
 884                 if (cur.paragraph().layout().free_spacing)
 885                         insertChar(cur, ' ');
 886                 else {
 887                         doInsertInset(cur, this, cmd, false, false);
 888                         cur.posForward();
 889                 }
 890                 moveCursor(cur, false);
 891                 break;
 892
 893         case LFUN_SPECIALCHAR_INSERT: {
 894                 string const name = to_utf8(cmd.argument());
 895                 if (name == "hyphenation")
 896                         specialChar(cur, InsetSpecialChar::HYPHENATION);
 897                 else if (name == "ligature-break")
 898                         specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 899                 else if (name == "slash")
 900                         specialChar(cur, InsetSpecialChar::SLASH);
 901                 else if (name == "nobreakdash")
 902                         specialChar(cur, InsetSpecialChar::NOBREAKDASH);
 903                 else if (name == "dots")
 904                         specialChar(cur, InsetSpecialChar::LDOTS);
 905                 else if (name == "end-of-sentence")
 906                         specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 907                 else if (name == "menu-separator")
 908                         specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 909                 else if (name.empty())
 910                         lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
 911                 else
 912                         lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
 913                 break;
 914         }
 915
 916         case LFUN_WORD_UPCASE:
 917                 changeCase(cur, text_uppercase);
 918                 break;
 919
 920         case LFUN_WORD_LOWCASE:
 921                 changeCase(cur, text_lowercase);
 922                 break;
 923
 924         case LFUN_WORD_CAPITALIZE:
 925                 changeCase(cur, text_capitalization);
 926                 break;
 927
 928         case LFUN_CHARS_TRANSPOSE:
 929                 charsTranspose(cur);
 930                 break;
 931
 932         case LFUN_PASTE: {
 933                 cur.message(_("Paste"));
 934                 LASSERT(cur.selBegin().idx() == cur.selEnd().idx(), /**/);
 935                 cap::replaceSelection(cur);
 936
 937                 // without argument?
 938                 string const arg = to_utf8(cmd.argument());
 939                 if (arg.empty()) {
 940                         if (theClipboard().isInternal())
 941                                 pasteFromStack(cur, bv->buffer().errorList("Paste"), 0);
 942                         else if (theClipboard().hasGraphicsContents())
 943                                 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"));
 944                         else
 945                                 pasteClipboardText(cur, bv->buffer().errorList("Paste"));
 946                 } else if (isStrUnsignedInt(arg)) {
 947                         // we have a numerical argument
 948                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 949                                        convert<unsigned int>(arg));
 950                 } else {
 951                         Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
 952                         if (arg == "pdf")
 953                                 type = Clipboard::PdfGraphicsType;
 954                         else if (arg == "png")
 955                                 type = Clipboard::PngGraphicsType;
 956                         else if (arg == "jpeg")
 957                                 type = Clipboard::JpegGraphicsType;
 958                         else if (arg == "linkback")
 959                                 type = Clipboard::LinkBackGraphicsType;
 960                         else
 961                                 LASSERT(false, /**/);
 962
 963                         pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
 964                 }
 965
 966                 bv->buffer().errors("Paste");
 967                 cur.clearSelection(); // bug 393
 968                 cur.finishUndo();
 969                 break;
 970         }
 971
 972         case LFUN_CUT:
 973                 cutSelection(cur, true, true);
 974                 cur.message(_("Cut"));
 975                 break;
 976
 977         case LFUN_COPY:
 978                 copySelection(cur);
 979                 cur.message(_("Copy"));
 980                 break;
 981
 982         case LFUN_SERVER_GET_XY:
 983                 cur.message(from_utf8(
 984                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 985                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 986                 break;
 987
 988         case LFUN_SERVER_SET_XY: {
 989                 int x = 0;
 990                 int y = 0;
 991                 istringstream is(to_utf8(cmd.argument()));
 992                 is >> x >> y;
 993                 if (!is)
 994                         lyxerr << "SETXY: Could not parse coordinates in '"
 995                                << to_utf8(cmd.argument()) << endl;
 996                 else
 997                         tm.setCursorFromCoordinates(cur, x, y);
 998                 break;
 999         }
1000
1001         case LFUN_SERVER_GET_LAYOUT:
1002                 cur.message(cur.paragraph().layout().name());
1003                 break;
1004
1005         case LFUN_LAYOUT: {
1006                 docstring layout = cmd.argument();
1007                 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
1008
1009                 Paragraph const & para = cur.paragraph();
1010                 docstring const old_layout = para.layout().name();
1011                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1012
1013                 if (layout.empty())
1014                         layout = tclass.defaultLayoutName();
1015
1016                 if (para.forcePlainLayout())
1017                         // in this case only the empty layout is allowed
1018                         layout = tclass.plainLayoutName();
1019                 else if (para.usePlainLayout()) {
1020                         // in this case, default layout maps to empty layout
1021                         if (layout == tclass.defaultLayoutName())
1022                                 layout = tclass.plainLayoutName();
1023                 } else {
1024                         // otherwise, the empty layout maps to the default
1025                         if (layout == tclass.plainLayoutName())
1026                                 layout = tclass.defaultLayoutName();
1027                 }
1028
1029                 bool hasLayout = tclass.hasLayout(layout);
1030
1031                 // If the entry is obsolete, use the new one instead.
1032                 if (hasLayout) {
1033                         docstring const & obs = tclass[layout].obsoleted_by();
1034                         if (!obs.empty())
1035                                 layout = obs;
1036                 }
1037
1038                 if (!hasLayout) {
1039                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
1040                                 from_utf8(N_(" not known")));
1041                         break;
1042                 }
1043
1044                 bool change_layout = (old_layout != layout);
1045
1046                 if (!change_layout && cur.selection() &&
1047                         cur.selBegin().pit() != cur.selEnd().pit())
1048                 {
1049                         pit_type spit = cur.selBegin().pit();
1050                         pit_type epit = cur.selEnd().pit() + 1;
1051                         while (spit != epit) {
1052                                 if (pars_[spit].layout().name() != old_layout) {
1053                                         change_layout = true;
1054                                         break;
1055                                 }
1056                                 ++spit;
1057                         }
1058                 }
1059
1060                 if (change_layout)
1061                         setLayout(cur, layout);
1062
1063                 break;
1064         }
1065
1066         case LFUN_CLIPBOARD_PASTE:
1067                 cur.clearSelection();
1068                 pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1069                                cmd.argument() == "paragraph");
1070                 bv->buffer().errors("Paste");
1071                 break;
1072
1073         case LFUN_PRIMARY_SELECTION_PASTE:
1074                 pasteString(cur, theSelection().get(),
1075                             cmd.argument() == "paragraph");
1076                 break;
1077
1078         case LFUN_UNICODE_INSERT: {
1079                 if (cmd.argument().empty())
1080                         break;
1081                 docstring hexstring = cmd.argument();
1082                 if (isHex(hexstring)) {
1083                         char_type c = hexToInt(hexstring);
1084                         if (c >= 32 && c < 0x10ffff) {
1085                                 lyxerr << "Inserting c: " << c << endl;
1086                                 docstring s = docstring(1, c);
1087                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1088                         }
1089                 }
1090                 break;
1091         }
1092
1093         case LFUN_QUOTE_INSERT: {
1094                 Paragraph & par = cur.paragraph();
1095                 pos_type pos = cur.pos();
1096                 BufferParams const & bufparams = bv->buffer().params();
1097                 Layout const & style = par.layout();
1098                 if (!style.pass_thru
1099                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1100                         // this avoids a double undo
1101                         // FIXME: should not be needed, ideally
1102                         if (!cur.selection())
1103                                 cur.recordUndo();
1104                         cap::replaceSelection(cur);
1105                         pos = cur.pos();
1106                         char_type c;
1107                         if (pos == 0)
1108                                 c = ' ';
1109                         else if (cur.prevInset() && cur.prevInset()->isSpace())
1110                                 c = ' ';
1111                         else
1112                                 c = par.getChar(pos - 1);
1113                         string arg = to_utf8(cmd.argument());
1114                         cur.insert(new InsetQuotes(c, bufparams.quotes_language,
1115                                 (arg == "single") ? InsetQuotes::SingleQuotes
1116                                         : InsetQuotes::DoubleQuotes));
1117                         cur.posForward();
1118                 }
1119                 else
1120                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1121                 break;
1122         }
1123
1124         case LFUN_DATE_INSERT: {
1125                 string const format = cmd.argument().empty()
1126                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1127                 string const time = formatted_time(current_time(), format);
1128                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1129                 break;
1130         }
1131
1132         case LFUN_MOUSE_TRIPLE:
1133                 if (cmd.button() == mouse_button::button1) {
1134                         tm.cursorHome(cur);
1135                         cur.resetAnchor();
1136                         tm.cursorEnd(cur);
1137                         cur.setSelection();
1138                         bv->cursor() = cur;
1139                 }
1140                 break;
1141
1142         case LFUN_MOUSE_DOUBLE:
1143                 if (cmd.button() == mouse_button::button1) {
1144                         selectWord(cur, WHOLE_WORD_STRICT);
1145                         bv->cursor() = cur;
1146                 }
1147                 break;
1148
1149         // Single-click on work area
1150         case LFUN_MOUSE_PRESS:
1151                 // We are not marking a selection with the keyboard in any case.
1152                 cur.bv().cursor().mark() = false;
1153                 switch (cmd.button()) {
1154                 case mouse_button::button1:
1155                         // Set the cursor
1156                         if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
1157                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1158                         break;
1159
1160                 case mouse_button::button2:
1161                         // Middle mouse pasting.
1162                         if (!cap::selection()) {
1163                                 // There is no local selection in the current buffer, so try to
1164                                 // paste primary selection instead.
1165                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE,
1166                                         "paragraph"));
1167                                 // Nothing else to do.
1168                                 cur.noUpdate();
1169                                 return;
1170                         }
1171                         // Copy the selection buffer to the clipboard stack, because we want it
1172                         // to appear in the "Edit->Paste recent" menu.
1173                         cap::copySelectionToStack();
1174                         cap::pasteSelection(bv->cursor(), bv->buffer().errorList("Paste"));
1175                         cur.updateFlags(Update::Force | Update::FitCursor);
1176                         bv->buffer().errors("Paste");
1177                         bv->buffer().markDirty();
1178                         bv->cursor().finishUndo();
1179                         break;
1180
1181                 case mouse_button::button3:
1182                         if (cur.selection()) {
1183                                 DocIterator const selbeg = cur.selectionBegin();
1184                                 DocIterator const selend = cur.selectionEnd();
1185                                 Cursor tmpcur = cur;
1186                                 tm.setCursorFromCoordinates(tmpcur, cmd.x, cmd.y);
1187                                 // Don't do anything if we right-click a selection, a selection
1188                                 // context menu should popup instead.
1189                                 if (tmpcur < selbeg || tmpcur >= selend) {
1190                                         cur.noUpdate();
1191                                         return;
1192                                 }
1193                         }
1194                         if (!bv->mouseSetCursor(cur, false)) {
1195                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1196                                 break;
1197                         }
1198                 default:
1199                         break;
1200                 } // switch (cmd.button())
1201                 break;
1202
1203         case LFUN_MOUSE_MOTION: {
1204                 // Mouse motion with right or middle mouse do nothing for now.
1205                 if (cmd.button() != mouse_button::button1) {
1206                         cur.noUpdate();
1207                         return;
1208                 }
1209                 // ignore motions deeper nested than the real anchor
1210                 Cursor & bvcur = cur.bv().cursor();
1211                 if (!bvcur.anchor_.hasPart(cur)) {
1212                         cur.undispatched();
1213                         break;
1214                 }
1215                 CursorSlice old = bvcur.top();
1216
1217                 int const wh = bv->workHeight();
1218                 int const y = max(0, min(wh - 1, cmd.y));
1219
1220                 tm.setCursorFromCoordinates(cur, cmd.x, y);
1221                 cur.setTargetX(cmd.x);
1222                 if (cmd.y >= wh)
1223                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1224                 else if (cmd.y < 0)
1225                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1226                 // This is to allow jumping over large insets
1227                 if (cur.top() == old) {
1228                         if (cmd.y >= wh)
1229                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1230                         else if (cmd.y < 0)
1231                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1232                 }
1233                 // We continue with our existing selection or start a new one, so don't
1234                 // reset the anchor.
1235                 bvcur.setCursor(cur);
1236                 bvcur.selection() = true;
1237                 if (cur.top() == old) {
1238                         // We didn't move one iota, so no need to update the screen.
1239                         cur.updateFlags(Update::SinglePar | Update::FitCursor);
1240                         //cur.noUpdate();
1241                         return;
1242                 }
1243                 break;
1244         }
1245
1246         case LFUN_MOUSE_RELEASE:
1247                 switch (cmd.button()) {
1248                 case mouse_button::button1:
1249                         // Cursor was set at LFUN_MOUSE_PRESS or LFUN_MOUSE_MOTION time.
1250                         // If there is a new selection, update persistent selection;
1251                         // otherwise, single click does not clear persistent selection
1252                         // buffer.
1253                         if (cur.selection()) {
1254                                 // Finish selection.
1255                                 // If double click, cur is moved to the end of word by selectWord
1256                                 // but bvcur is current mouse position.
1257                                 cur.bv().cursor().selection() = true;
1258                         }
1259                         // FIXME: We could try to handle drag and drop of selection here.
1260                         cur.noUpdate();
1261                         return;
1262
1263                 case mouse_button::button2:
1264                         // Middle mouse pasting is handled at mouse press time,
1265                         // see LFUN_MOUSE_PRESS.
1266                         cur.noUpdate();
1267                         return;
1268
1269                 case mouse_button::button3:
1270                         // Cursor was set at LFUN_MOUSE_PRESS time.
1271                         // FIXME: If there is a selection we could try to handle a special
1272                         // drag & drop context menu.
1273                         cur.noUpdate();
1274                         return;
1275
1276                 case mouse_button::none:
1277                 case mouse_button::button4:
1278                 case mouse_button::button5:
1279                         break;
1280                 } // switch (cmd.button())
1281
1282                 break;
1283
1284         case LFUN_SELF_INSERT: {
1285                 if (cmd.argument().empty())
1286                         break;
1287
1288                 // Automatically delete the currently selected
1289                 // text and replace it with what is being
1290                 // typed in now. Depends on lyxrc settings
1291                 // "auto_region_delete", which defaults to
1292                 // true (on).
1293
1294                 if (lyxrc.auto_region_delete && cur.selection())
1295                         cutSelection(cur, false, false);
1296
1297                 cur.clearSelection();
1298                 Font const old_font = cur.real_current_font;
1299
1300                 docstring::const_iterator cit = cmd.argument().begin();
1301                 docstring::const_iterator end = cmd.argument().end();
1302                 for (; cit != end; ++cit)
1303                         bv->translateAndInsert(*cit, this, cur);
1304
1305                 cur.resetAnchor();
1306                 moveCursor(cur, false);
1307                 break;
1308         }
1309
1310         case LFUN_HYPERLINK_INSERT: {
1311                 InsetCommandParams p(HYPERLINK_CODE);
1312                 docstring content;
1313                 if (cur.selection()) {
1314                         content = cur.selectionAsString(false);
1315                         cutSelection(cur, true, false);
1316                 }
1317                 p["target"] = (cmd.argument().empty()) ?
1318                         content : cmd.argument();
1319                 string const data = InsetCommand::params2string("href", p);
1320                 if (p["target"].empty()) {
1321                         bv->showDialog("href", data);
1322                 } else {
1323                         FuncRequest fr(LFUN_INSET_INSERT, data);
1324                         dispatch(cur, fr);
1325                 }
1326                 break;
1327         }
1328
1329         case LFUN_LABEL_INSERT: {
1330                 InsetCommandParams p(LABEL_CODE);
1331                 // Try to generate a valid label
1332                 p["name"] = (cmd.argument().empty()) ?
1333                         cur.getPossibleLabel() :
1334                         cmd.argument();
1335                 string const data = InsetCommand::params2string("label", p);
1336
1337                 if (cmd.argument().empty()) {
1338                         bv->showDialog("label", data);
1339                 } else {
1340                         FuncRequest fr(LFUN_INSET_INSERT, data);
1341                         dispatch(cur, fr);
1342                 }
1343                 break;
1344         }
1345
1346         case LFUN_INFO_INSERT: {
1347                 Inset * inset;
1348                 if (cmd.argument().empty() && cur.selection()) {
1349                         // if command argument is empty use current selection as parameter.
1350                         docstring ds = cur.selectionAsString(false);
1351                         cutSelection(cur, true, false);
1352                         FuncRequest cmd0(cmd, ds);
1353                         inset = createInset(cur.bv().buffer(), cmd0);
1354                 } else {
1355                         inset = createInset(cur.bv().buffer(), cmd);
1356                 }
1357                 if (!inset)
1358                         break;
1359                 insertInset(cur, inset);
1360                 cur.posForward();
1361                 break;
1362         }
1363         case LFUN_CAPTION_INSERT:
1364         case LFUN_FOOTNOTE_INSERT:
1365         case LFUN_NOTE_INSERT:
1366         case LFUN_FLEX_INSERT:
1367         case LFUN_BOX_INSERT:
1368         case LFUN_BRANCH_INSERT:
1369         case LFUN_ERT_INSERT:
1370         case LFUN_LISTING_INSERT:
1371         case LFUN_MARGINALNOTE_INSERT:
1372         case LFUN_OPTIONAL_INSERT:
1373         case LFUN_INDEX_INSERT:
1374                 // Open the inset, and move the current selection
1375                 // inside it.
1376                 doInsertInset(cur, this, cmd, true, true);
1377                 cur.posForward();
1378                 // Some insets are numbered, others are shown in the outline pane so
1379                 // let's update the labels and the toc backend.
1380                 updateLabels(bv->buffer());
1381                 break;
1382
1383         case LFUN_TABULAR_INSERT:
1384                 // if there were no arguments, just open the dialog
1385                 if (doInsertInset(cur, this, cmd, false, true))
1386                         cur.posForward();
1387                 else
1388                         bv->showDialog("tabularcreate");
1389
1390                 break;
1391
1392         case LFUN_FLOAT_INSERT:
1393         case LFUN_FLOAT_WIDE_INSERT:
1394         case LFUN_WRAP_INSERT: {
1395                 bool content = cur.selection();  // will some text be moved into the inset?
1396
1397                 doInsertInset(cur, this, cmd, true, true);
1398                 cur.posForward();
1399                 ParagraphList & pars = cur.text()->paragraphs();
1400
1401                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1402
1403                 // add a separate paragraph for the caption inset
1404                 pars.push_back(Paragraph());
1405                 pars.back().setInsetOwner(pars[0].inInset());
1406                 pars.back().setPlainOrDefaultLayout(tclass);
1407                 int cap_pit = pars.size() - 1;
1408
1409                 // if an empty inset was created, we create an additional empty
1410                 // paragraph at the bottom so that the user can choose where to put
1411                 // the graphics (or table).
1412                 if (!content) {
1413                         pars.push_back(Paragraph());
1414                         pars.back().setInsetOwner(pars[0].inInset());
1415                         pars.back().setPlainOrDefaultLayout(tclass);
1416                 }
1417
1418                 // reposition the cursor to the caption
1419                 cur.pit() = cap_pit;
1420                 cur.pos() = 0;
1421                 // FIXME: This Text/Cursor dispatch handling is a mess!
1422                 // We cannot use Cursor::dispatch here it needs access to up to
1423                 // date metrics.
1424                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1425                 cur.text()->dispatch(cur, cmd_caption);
1426                 cur.updateFlags(Update::Force);
1427                 // FIXME: When leaving the Float (or Wrap) inset we should
1428                 // delete any empty paragraph left above or below the
1429                 // caption.
1430                 break;
1431         }
1432
1433         case LFUN_NOMENCL_INSERT: {
1434                 FuncRequest cmd1 = cmd;
1435                 if (cmd.argument().empty())
1436                         cmd1 = FuncRequest(cmd,
1437                                 bv->cursor().innerText()->getStringToIndex(bv->cursor()));
1438                 Inset * inset = createInset(cur.bv().buffer(), cmd1);
1439                 if (!inset)
1440                         break;
1441                 cur.recordUndo();
1442                 cur.clearSelection();
1443                 insertInset(cur, inset);
1444                 // Show the dialog for the nomenclature entry, since the
1445                 // description entry still needs to be filled in.
1446                 if (cmd.action == LFUN_NOMENCL_INSERT)
1447                         inset->edit(cur, true);
1448                 cur.posForward();
1449                 break;
1450         }
1451
1452         case LFUN_INDEX_PRINT:
1453         case LFUN_NOMENCL_PRINT:
1454         case LFUN_TOC_INSERT:
1455         case LFUN_LINE_INSERT:
1456         case LFUN_NEWPAGE_INSERT:
1457                 // do nothing fancy
1458                 doInsertInset(cur, this, cmd, false, false);
1459                 cur.posForward();
1460                 break;
1461
1462         case LFUN_DEPTH_DECREMENT:
1463                 changeDepth(cur, DEC_DEPTH);
1464                 break;
1465
1466         case LFUN_DEPTH_INCREMENT:
1467                 changeDepth(cur, INC_DEPTH);
1468                 break;
1469
1470         case LFUN_MATH_DISPLAY:
1471                 mathDispatch(cur, cmd, true);
1472                 break;
1473
1474         case LFUN_MATH_MODE:
1475                 if (cmd.argument() == "on")
1476                         // don't pass "on" as argument
1477                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1478                 else
1479                         mathDispatch(cur, cmd, false);
1480                 break;
1481
1482         case LFUN_MATH_MACRO:
1483                 if (cmd.argument().empty())
1484                         cur.errorMessage(from_utf8(N_("Missing argument")));
1485                 else {
1486                         string s = to_utf8(cmd.argument());
1487                         string const s1 = token(s, ' ', 1);
1488                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1489                         string const s2 = token(s, ' ', 2);
1490                         MacroType type = MacroTypeNewcommand;
1491                         if (s2 == "def")
1492                                 type = MacroTypeDef;
1493                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, false, type));
1494                         //cur.nextInset()->edit(cur, true);
1495                 }
1496                 break;
1497
1498         // passthrough hat and underscore outside mathed:
1499         case LFUN_MATH_SUBSCRIPT:
1500                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1501                 break;
1502         case LFUN_MATH_SUPERSCRIPT:
1503                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1504                 break;
1505
1506         case LFUN_MATH_INSERT:
1507         case LFUN_MATH_MATRIX:
1508         case LFUN_MATH_DELIM:
1509         case LFUN_MATH_BIGDELIM: {
1510                 cap::replaceSelection(cur);
1511                 cur.insert(new InsetMathHull(hullSimple));
1512                 checkAndActivateInset(cur, true);
1513                 LASSERT(cur.inMathed(), /**/);
1514                 cur.dispatch(cmd);
1515                 break;
1516         }
1517
1518         case LFUN_FONT_EMPH: {
1519                 Font font(ignore_font, ignore_language);
1520                 font.fontInfo().setEmph(FONT_TOGGLE);
1521                 toggleAndShow(cur, this, font);
1522                 break;
1523         }
1524
1525         case LFUN_FONT_BOLD: {
1526                 Font font(ignore_font, ignore_language);
1527                 font.fontInfo().setSeries(BOLD_SERIES);
1528                 toggleAndShow(cur, this, font);
1529                 break;
1530         }
1531
1532         case LFUN_FONT_NOUN: {
1533                 Font font(ignore_font, ignore_language);
1534                 font.fontInfo().setNoun(FONT_TOGGLE);
1535                 toggleAndShow(cur, this, font);
1536                 break;
1537         }
1538
1539         case LFUN_FONT_TYPEWRITER: {
1540                 Font font(ignore_font, ignore_language);
1541                 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
1542                 toggleAndShow(cur, this, font);
1543                 break;
1544         }
1545
1546         case LFUN_FONT_SANS: {
1547                 Font font(ignore_font, ignore_language);
1548                 font.fontInfo().setFamily(SANS_FAMILY);
1549                 toggleAndShow(cur, this, font);
1550                 break;
1551         }
1552
1553         case LFUN_FONT_ROMAN: {
1554                 Font font(ignore_font, ignore_language);
1555                 font.fontInfo().setFamily(ROMAN_FAMILY);
1556                 toggleAndShow(cur, this, font);
1557                 break;
1558         }
1559
1560         case LFUN_FONT_DEFAULT: {
1561                 Font font(inherit_font, ignore_language);
1562                 toggleAndShow(cur, this, font);
1563                 break;
1564         }
1565
1566         case LFUN_FONT_UNDERLINE: {
1567                 Font font(ignore_font, ignore_language);
1568                 font.fontInfo().setUnderbar(FONT_TOGGLE);
1569                 toggleAndShow(cur, this, font);
1570                 break;
1571         }
1572
1573         case LFUN_FONT_SIZE: {
1574                 Font font(ignore_font, ignore_language);
1575                 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
1576                 toggleAndShow(cur, this, font);
1577                 break;
1578         }
1579
1580         case LFUN_LANGUAGE: {
1581                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1582                 if (!lang)
1583                         break;
1584                 Font font(ignore_font, lang);
1585                 toggleAndShow(cur, this, font);
1586                 break;
1587         }
1588
1589         case LFUN_TEXTSTYLE_APPLY:
1590                 toggleAndShow(cur, this, freefont, toggleall);
1591                 cur.message(_("Character set"));
1592                 break;
1593
1594         // Set the freefont using the contents of \param data dispatched from
1595         // the frontends and apply it at the current cursor location.
1596         case LFUN_TEXTSTYLE_UPDATE: {
1597                 Font font;
1598                 bool toggle;
1599                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1600                         freefont = font;
1601                         toggleall = toggle;
1602                         toggleAndShow(cur, this, freefont, toggleall);
1603                         cur.message(_("Character set"));
1604                 } else {
1605                         lyxerr << "Argument not ok";
1606                 }
1607                 break;
1608         }
1609
1610         case LFUN_FINISHED_LEFT:
1611                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
1612                 // We're leaving an inset, going left. If the inset is LTR, we're
1613                 // leaving from the front, so we should not move (remain at --- but
1614                 // not in --- the inset). If the inset is RTL, move left, without
1615                 // entering the inset itself; i.e., move to after the inset.
1616                 if (cur.paragraph().getFontSettings(
1617                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1618                         cursorVisLeft(cur, true);
1619                 break;
1620
1621         case LFUN_FINISHED_RIGHT:
1622                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
1623                 // We're leaving an inset, going right. If the inset is RTL, we're
1624                 // leaving from the front, so we should not move (remain at --- but
1625                 // not in --- the inset). If the inset is LTR, move right, without
1626                 // entering the inset itself; i.e., move to after the inset.
1627                 if (!cur.paragraph().getFontSettings(
1628                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1629                         cursorVisRight(cur, true);
1630                 break;
1631
1632         case LFUN_FINISHED_BACKWARD:
1633                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
1634                 break;
1635
1636         case LFUN_FINISHED_FORWARD:
1637                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
1638                 ++cur.pos();
1639                 cur.setCurrentFont();
1640                 break;
1641
1642         case LFUN_LAYOUT_PARAGRAPH: {
1643                 string data;
1644                 params2string(cur.paragraph(), data);
1645                 data = "show\n" + data;
1646                 bv->showDialog("paragraph", data);
1647                 break;
1648         }
1649
1650         case LFUN_PARAGRAPH_UPDATE: {
1651                 string data;
1652                 params2string(cur.paragraph(), data);
1653
1654                 // Will the paragraph accept changes from the dialog?
1655                 bool const accept =
1656                         cur.inset().allowParagraphCustomization(cur.idx());
1657
1658                 data = "update " + convert<string>(accept) + '\n' + data;
1659                 bv->updateDialog("paragraph", data);
1660                 break;
1661         }
1662
1663         case LFUN_ACCENT_UMLAUT:
1664         case LFUN_ACCENT_CIRCUMFLEX:
1665         case LFUN_ACCENT_GRAVE:
1666         case LFUN_ACCENT_ACUTE:
1667         case LFUN_ACCENT_TILDE:
1668         case LFUN_ACCENT_CEDILLA:
1669         case LFUN_ACCENT_MACRON:
1670         case LFUN_ACCENT_DOT:
1671         case LFUN_ACCENT_UNDERDOT:
1672         case LFUN_ACCENT_UNDERBAR:
1673         case LFUN_ACCENT_CARON:
1674         case LFUN_ACCENT_BREVE:
1675         case LFUN_ACCENT_TIE:
1676         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1677         case LFUN_ACCENT_CIRCLE:
1678         case LFUN_ACCENT_OGONEK:
1679                 theLyXFunc().handleKeyFunc(cmd.action);
1680                 if (!cmd.argument().empty())
1681                         // FIXME: Are all these characters encoded in one byte in utf8?
1682                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1683                 break;
1684
1685         case LFUN_FLOAT_LIST_INSERT: {
1686                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1687                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1688                         cur.recordUndo();
1689                         if (cur.selection())
1690                                 cutSelection(cur, true, false);
1691                         breakParagraph(cur);
1692
1693                         if (cur.lastpos() != 0) {
1694                                 cursorBackward(cur);
1695                                 breakParagraph(cur);
1696                         }
1697
1698                         docstring const laystr = cur.inset().usePlainLayout() ?
1699                                 tclass.plainLayoutName() :
1700                                 tclass.defaultLayoutName();
1701                         setLayout(cur, laystr);
1702                         ParagraphParameters p;
1703                         setParagraphs(cur, p);
1704                         // FIXME This should be simplified when InsetFloatList takes a
1705                         // Buffer in its constructor.
1706                         InsetFloatList * ifl = new InsetFloatList(to_utf8(cmd.argument()));
1707                         ifl->setBuffer(bv->buffer());
1708                         insertInset(cur, ifl);
1709                         cur.posForward();
1710                 } else {
1711                         lyxerr << "Non-existent float type: "
1712                                << to_utf8(cmd.argument()) << endl;
1713                 }
1714                 break;
1715         }
1716
1717         case LFUN_CHANGE_ACCEPT: {
1718                 acceptOrRejectChanges(cur, ACCEPT);
1719                 break;
1720         }
1721
1722         case LFUN_CHANGE_REJECT: {
1723                 acceptOrRejectChanges(cur, REJECT);
1724                 break;
1725         }
1726
1727         case LFUN_THESAURUS_ENTRY: {
1728                 docstring arg = cmd.argument();
1729                 if (arg.empty()) {
1730                         arg = cur.selectionAsString(false);
1731                         // FIXME
1732                         if (arg.size() > 100 || arg.empty()) {
1733                                 // Get word or selection
1734                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1735                                 arg = cur.selectionAsString(false);
1736                         }
1737                 }
1738                 bv->showDialog("thesaurus", to_utf8(arg));
1739                 break;
1740         }
1741
1742         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1743                 // Given data, an encoding of the ParagraphParameters
1744                 // generated in the Paragraph dialog, this function sets
1745                 // the current paragraph, or currently selected paragraphs,
1746                 // appropriately.
1747                 // NOTE: This function overrides all existing settings.
1748                 setParagraphs(cur, cmd.argument());
1749                 cur.message(_("Paragraph layout set"));
1750                 break;
1751         }
1752
1753         case LFUN_PARAGRAPH_PARAMS: {
1754                 // Given data, an encoding of the ParagraphParameters as we'd
1755                 // find them in a LyX file, this function modifies the current paragraph,
1756                 // or currently selected paragraphs.
1757                 // NOTE: This function only modifies, and does not override, existing
1758                 // settings.
1759                 setParagraphs(cur, cmd.argument(), true);
1760                 cur.message(_("Paragraph layout set"));
1761                 break;
1762         }
1763
1764         case LFUN_ESCAPE:
1765                 if (cur.selection()) {
1766                         cur.selection() = false;
1767                 } else {
1768                         cur.undispatched();
1769                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
1770                         // correct, but I'm not 100% sure -- dov, 071019
1771                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1772                 }
1773                 break;
1774
1775         case LFUN_OUTLINE_UP:
1776                 outline(OutlineUp, cur);
1777                 setCursor(cur, cur.pit(), 0);
1778                 updateLabels(cur.buffer());
1779                 needsUpdate = true;
1780                 break;
1781
1782         case LFUN_OUTLINE_DOWN:
1783                 outline(OutlineDown, cur);
1784                 setCursor(cur, cur.pit(), 0);
1785                 updateLabels(cur.buffer());
1786                 needsUpdate = true;
1787                 break;
1788
1789         case LFUN_OUTLINE_IN:
1790                 outline(OutlineIn, cur);
1791                 updateLabels(cur.buffer());
1792                 needsUpdate = true;
1793                 break;
1794
1795         case LFUN_OUTLINE_OUT:
1796                 outline(OutlineOut, cur);
1797                 updateLabels(cur.buffer());
1798                 needsUpdate = true;
1799                 break;
1800
1801         default:
1802                 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
1803                 cur.undispatched();
1804                 break;
1805         }
1806
1807         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1808
1809         // FIXME: The cursor flag is reset two lines below
1810         // so we need to check here if some of the LFUN did touch that.
1811         // for now only Text::erase() and Text::backspace() do that.
1812         // The plan is to verify all the LFUNs and then to remove this
1813         // singleParUpdate boolean altogether.
1814         if (cur.result().update() & Update::Force) {
1815                 singleParUpdate = false;
1816                 needsUpdate = true;
1817         }
1818
1819         // FIXME: the following code should go in favor of fine grained
1820         // update flag treatment.
1821         if (singleParUpdate) {
1822                 // Inserting characters does not change par height in general. So, try
1823                 // to update _only_ this paragraph. BufferView will detect if a full
1824                 // metrics update is needed anyway.
1825                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1826                 return;
1827         }
1828
1829         if (!needsUpdate
1830             && &oldTopSlice.inset() == &cur.inset()
1831             && oldTopSlice.idx() == cur.idx()
1832             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1833             && !cur.selection())
1834                 // FIXME: it would be better if we could just do this
1835                 //
1836                 //if (cur.result().update() != Update::FitCursor)
1837                 //      cur.noUpdate();
1838                 //
1839                 // But some LFUNs do not set Update::FitCursor when needed, so we
1840                 // do it for all. This is not very harmfull as FitCursor will provoke
1841                 // a full redraw only if needed but still, a proper review of all LFUN
1842                 // should be done and this needsUpdate boolean can then be removed.
1843                 cur.updateFlags(Update::FitCursor);
1844         else
1845                 cur.updateFlags(Update::Force | Update::FitCursor);
1846 }
1847
1848
1849 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1850                         FuncStatus & flag) const
1851 {
1852         LASSERT(cur.text() == this, /**/);
1853
1854         Font const & font = cur.real_current_font;
1855         FontInfo const & fontinfo = font.fontInfo();
1856         bool enable = true;
1857         InsetCode code = NO_CODE;
1858
1859         switch (cmd.action) {
1860
1861         case LFUN_DEPTH_DECREMENT:
1862                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1863                 break;
1864
1865         case LFUN_DEPTH_INCREMENT:
1866                 enable = changeDepthAllowed(cur, INC_DEPTH);
1867                 break;
1868
1869         case LFUN_APPENDIX:
1870                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1871                 break;
1872
1873         case LFUN_DIALOG_SHOW_NEW_INSET:
1874                 if (cmd.argument() == "bibitem")
1875                         code = BIBITEM_CODE;
1876                 else if (cmd.argument() == "bibtex")
1877                         code = BIBTEX_CODE;
1878                 else if (cmd.argument() == "box")
1879                         code = BOX_CODE;
1880                 else if (cmd.argument() == "branch")
1881                         code = BRANCH_CODE;
1882                 else if (cmd.argument() == "citation")
1883                         code = CITE_CODE;
1884                 else if (cmd.argument() == "ert")
1885                         code = ERT_CODE;
1886                 else if (cmd.argument() == "external")
1887                         code = EXTERNAL_CODE;
1888                 else if (cmd.argument() == "float")
1889                         code = FLOAT_CODE;
1890                 else if (cmd.argument() == "graphics")
1891                         code = GRAPHICS_CODE;
1892                 else if (cmd.argument() == "href")
1893                         code = HYPERLINK_CODE;
1894                 else if (cmd.argument() == "include")
1895                         code = INCLUDE_CODE;
1896                 else if (cmd.argument() == "index")
1897                         code = INDEX_CODE;
1898                 else if (cmd.argument() == "nomenclature")
1899                         code = NOMENCL_CODE;
1900                 else if (cmd.argument() == "label")
1901                         code = LABEL_CODE;
1902                 else if (cmd.argument() == "note")
1903                         code = NOTE_CODE;
1904                 else if (cmd.argument() == "ref")
1905                         code = REF_CODE;
1906                 else if (cmd.argument() == "space")
1907                         code = SPACE_CODE;
1908                 else if (cmd.argument() == "toc")
1909                         code = TOC_CODE;
1910                 else if (cmd.argument() == "vspace")
1911                         code = VSPACE_CODE;
1912                 else if (cmd.argument() == "wrap")
1913                         code = WRAP_CODE;
1914                 else if (cmd.argument() == "listings")
1915                         code = LISTINGS_CODE;
1916                 break;
1917
1918         case LFUN_ERT_INSERT:
1919                 code = ERT_CODE;
1920                 break;
1921         case LFUN_LISTING_INSERT:
1922                 code = LISTINGS_CODE;
1923                 break;
1924         case LFUN_FOOTNOTE_INSERT:
1925                 code = FOOT_CODE;
1926                 break;
1927         case LFUN_TABULAR_INSERT:
1928                 code = TABULAR_CODE;
1929                 break;
1930         case LFUN_MARGINALNOTE_INSERT:
1931                 code = MARGIN_CODE;
1932                 break;
1933         case LFUN_FLOAT_INSERT:
1934         case LFUN_FLOAT_WIDE_INSERT:
1935                 code = FLOAT_CODE;
1936                 break;
1937         case LFUN_WRAP_INSERT:
1938                 code = WRAP_CODE;
1939                 break;
1940         case LFUN_FLOAT_LIST_INSERT:
1941                 code = FLOAT_LIST_CODE;
1942                 break;
1943         case LFUN_CAPTION_INSERT:
1944                 code = CAPTION_CODE;
1945                 break;
1946         case LFUN_NOTE_INSERT:
1947                 code = NOTE_CODE;
1948                 // in commands (sections etc., only Notes are allowed)
1949                 enable = (cmd.argument().empty() || cmd.getArg(0) == "Note" ||
1950                           !cur.paragraph().layout().isCommand());
1951                 break;
1952         case LFUN_FLEX_INSERT: {
1953                 code = FLEX_CODE;
1954                 string s = cmd.getArg(0);
1955                 InsetLayout il =
1956                         cur.buffer().params().documentClass().insetLayout(from_utf8(s));
1957                 if (il.lyxtype() != "charstyle" &&
1958                     il.lyxtype() != "custom" &&
1959                     il.lyxtype() != "element" &&
1960                     il.lyxtype ()!= "standard")
1961                         enable = false;
1962                 break;
1963                 }
1964         case LFUN_BOX_INSERT:
1965                 code = BOX_CODE;
1966                 break;
1967         case LFUN_BRANCH_INSERT:
1968                 code = BRANCH_CODE;
1969                 if (cur.buffer().masterBuffer()->params().branchlist().empty())
1970                         enable = false;
1971                 break;
1972         case LFUN_LABEL_INSERT:
1973                 code = LABEL_CODE;
1974                 break;
1975         case LFUN_INFO_INSERT:
1976                 code = INFO_CODE;
1977                 break;
1978         case LFUN_OPTIONAL_INSERT:
1979                 code = OPTARG_CODE;
1980                 enable = cur.paragraph().insetList().count(OPTARG_CODE)
1981                         < cur.paragraph().layout().optionalargs;
1982                 break;
1983         case LFUN_INDEX_INSERT:
1984                 code = INDEX_CODE;
1985                 break;
1986         case LFUN_INDEX_PRINT:
1987                 code = INDEX_PRINT_CODE;
1988                 break;
1989         case LFUN_NOMENCL_INSERT:
1990                 code = NOMENCL_CODE;
1991                 break;
1992         case LFUN_NOMENCL_PRINT:
1993                 code = NOMENCL_PRINT_CODE;
1994                 break;
1995         case LFUN_TOC_INSERT:
1996                 code = TOC_CODE;
1997                 break;
1998         case LFUN_HYPERLINK_INSERT:
1999                 code = HYPERLINK_CODE;
2000                 break;
2001         case LFUN_QUOTE_INSERT:
2002                 // always allow this, since we will inset a raw quote
2003                 // if an inset is not allowed.
2004                 break;
2005         case LFUN_SPECIALCHAR_INSERT:
2006                 code = SPECIALCHAR_CODE;
2007                 break;
2008         case LFUN_SPACE_INSERT:
2009                 // slight hack: we know this is allowed in math mode
2010                 if (cur.inTexted())
2011                         code = SPACE_CODE;
2012                 break;
2013
2014         case LFUN_INSET_MODIFY:
2015                 // We need to disable this, because we may get called for a
2016                 // tabular cell via
2017                 // InsetTabular::getStatus() -> InsetText::getStatus()
2018                 // and we don't handle LFUN_INSET_MODIFY.
2019                 enable = false;
2020                 break;
2021
2022         case LFUN_FONT_EMPH:
2023                 flag.setOnOff(fontinfo.emph() == FONT_ON);
2024                 break;
2025
2026         case LFUN_FONT_NOUN:
2027                 flag.setOnOff(fontinfo.noun() == FONT_ON);
2028                 break;
2029
2030         case LFUN_FONT_BOLD:
2031                 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
2032                 break;
2033
2034         case LFUN_FONT_SANS:
2035                 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
2036                 break;
2037
2038         case LFUN_FONT_ROMAN:
2039                 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
2040                 break;
2041
2042         case LFUN_FONT_TYPEWRITER:
2043                 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2044                 break;
2045
2046         case LFUN_CUT:
2047         case LFUN_COPY:
2048                 enable = cur.selection();
2049                 break;
2050
2051         case LFUN_PASTE: {
2052                 if (cmd.argument().empty()) {
2053                         if (theClipboard().isInternal())
2054                                 enable = cap::numberOfSelections() > 0;
2055                         else
2056                                 enable = !theClipboard().empty();
2057                         break;
2058                 }
2059
2060                 // we have an argument
2061                 string const arg = to_utf8(cmd.argument());
2062                 if (isStrUnsignedInt(arg)) {
2063                         // it's a number and therefore means the internal stack
2064                         unsigned int n = convert<unsigned int>(arg);
2065                         enable = cap::numberOfSelections() > n;
2066                         break;
2067                 }
2068
2069                 // explicit graphics type?
2070                 if ((arg == "pdf" && theClipboard().hasGraphicsContents(Clipboard::PdfGraphicsType))
2071                     || (arg == "png" && theClipboard().hasGraphicsContents(Clipboard::PngGraphicsType))
2072                     || (arg == "jpeg" && theClipboard().hasGraphicsContents(Clipboard::JpegGraphicsType))
2073                     || (arg == "linkback" && theClipboard().hasGraphicsContents(Clipboard::LinkBackGraphicsType))) {
2074                         enable = true;
2075                         break;
2076                 }
2077
2078                 // unknown argument
2079                 enable = false;
2080                 break;
2081          }
2082
2083         case LFUN_CLIPBOARD_PASTE:
2084                 enable = !theClipboard().empty();
2085                 break;
2086
2087         case LFUN_PRIMARY_SELECTION_PASTE:
2088                 enable = cur.selection() || !theSelection().empty();
2089                 break;
2090
2091         case LFUN_PARAGRAPH_MOVE_UP:
2092                 enable = cur.pit() > 0 && !cur.selection();
2093                 break;
2094
2095         case LFUN_PARAGRAPH_MOVE_DOWN:
2096                 enable = cur.pit() < cur.lastpit() && !cur.selection();
2097                 break;
2098
2099         case LFUN_INSET_DISSOLVE:
2100                 if (!cmd.argument().empty()) {
2101                         InsetLayout il = cur.inset().getLayout(cur.buffer().params());
2102                         enable = cur.inset().lyxCode() == FLEX_CODE
2103                                  && il.lyxtype() == to_utf8(cmd.argument());
2104                 } else {
2105                         enable = !isMainText(cur.bv().buffer())
2106                                  && cur.inset().nargs() == 1;
2107                 }
2108                 break;
2109
2110         case LFUN_CHANGE_ACCEPT:
2111         case LFUN_CHANGE_REJECT:
2112                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2113                 // In principle, these LFUNs should only be enabled if there
2114                 // is a change at the current position/in the current selection.
2115                 // However, without proper optimizations, this will inevitably
2116                 // result in unacceptable performance - just imagine a user who
2117                 // wants to select the complete content of a long document.
2118                 enable = true;
2119                 break;
2120
2121         case LFUN_OUTLINE_UP:
2122         case LFUN_OUTLINE_DOWN:
2123         case LFUN_OUTLINE_IN:
2124         case LFUN_OUTLINE_OUT:
2125                 // FIXME: LyX is not ready for outlining within inset.
2126                 enable = isMainText(cur.bv().buffer())
2127                         && cur.paragraph().layout().toclevel != Layout::NOT_IN_TOC;
2128                 break;
2129
2130         case LFUN_NEWLINE_INSERT:
2131                 // LaTeX restrictions (labels or empty par)
2132                 enable = (cur.pos() > cur.paragraph().beginOfBody());
2133                 break;
2134
2135         case LFUN_SET_GRAPHICS_GROUP: {
2136                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
2137                 if (!ins)
2138                         enable = false;
2139                 else
2140                         flag.setOnOff(to_utf8(cmd.argument()) == ins->getParams().groupId);
2141                 break;
2142         }
2143
2144         case LFUN_WORD_DELETE_FORWARD:
2145         case LFUN_WORD_DELETE_BACKWARD:
2146         case LFUN_LINE_DELETE:
2147         case LFUN_WORD_FORWARD:
2148         case LFUN_WORD_BACKWARD:
2149         case LFUN_WORD_RIGHT:
2150         case LFUN_WORD_LEFT:
2151         case LFUN_CHAR_FORWARD:
2152         case LFUN_CHAR_FORWARD_SELECT:
2153         case LFUN_CHAR_BACKWARD:
2154         case LFUN_CHAR_BACKWARD_SELECT:
2155         case LFUN_CHAR_LEFT:
2156         case LFUN_CHAR_LEFT_SELECT:
2157         case LFUN_CHAR_RIGHT:
2158         case LFUN_CHAR_RIGHT_SELECT:
2159         case LFUN_UP:
2160         case LFUN_UP_SELECT:
2161         case LFUN_DOWN:
2162         case LFUN_DOWN_SELECT:
2163         case LFUN_PARAGRAPH_UP_SELECT:
2164         case LFUN_PARAGRAPH_DOWN_SELECT:
2165         case LFUN_LINE_BEGIN_SELECT:
2166         case LFUN_LINE_END_SELECT:
2167         case LFUN_WORD_FORWARD_SELECT:
2168         case LFUN_WORD_BACKWARD_SELECT:
2169         case LFUN_WORD_RIGHT_SELECT:
2170         case LFUN_WORD_LEFT_SELECT:
2171         case LFUN_WORD_SELECT:
2172         case LFUN_PARAGRAPH_UP:
2173         case LFUN_PARAGRAPH_DOWN:
2174         case LFUN_LINE_BEGIN:
2175         case LFUN_LINE_END:
2176         case LFUN_CHAR_DELETE_FORWARD:
2177         case LFUN_CHAR_DELETE_BACKWARD:
2178         case LFUN_BREAK_PARAGRAPH:
2179         case LFUN_PARAGRAPH_SPACING:
2180         case LFUN_INSET_INSERT:
2181         case LFUN_WORD_UPCASE:
2182         case LFUN_WORD_LOWCASE:
2183         case LFUN_WORD_CAPITALIZE:
2184         case LFUN_CHARS_TRANSPOSE:
2185         case LFUN_SERVER_GET_XY:
2186         case LFUN_SERVER_SET_XY:
2187         case LFUN_SERVER_GET_LAYOUT:
2188         case LFUN_LAYOUT:
2189         case LFUN_DATE_INSERT:
2190         case LFUN_SELF_INSERT:
2191         case LFUN_LINE_INSERT:
2192         case LFUN_NEWPAGE_INSERT:
2193         case LFUN_MATH_DISPLAY:
2194         case LFUN_MATH_MODE:
2195         case LFUN_MATH_MACRO:
2196         case LFUN_MATH_MATRIX:
2197         case LFUN_MATH_DELIM:
2198         case LFUN_MATH_BIGDELIM:
2199         case LFUN_MATH_INSERT:
2200         case LFUN_MATH_SUBSCRIPT:
2201         case LFUN_MATH_SUPERSCRIPT:
2202         case LFUN_FONT_DEFAULT:
2203         case LFUN_FONT_UNDERLINE:
2204         case LFUN_FONT_SIZE:
2205         case LFUN_LANGUAGE:
2206         case LFUN_TEXTSTYLE_APPLY:
2207         case LFUN_TEXTSTYLE_UPDATE:
2208         case LFUN_LAYOUT_PARAGRAPH:
2209         case LFUN_PARAGRAPH_UPDATE:
2210         case LFUN_ACCENT_UMLAUT:
2211         case LFUN_ACCENT_CIRCUMFLEX:
2212         case LFUN_ACCENT_GRAVE:
2213         case LFUN_ACCENT_ACUTE:
2214         case LFUN_ACCENT_TILDE:
2215         case LFUN_ACCENT_CEDILLA:
2216         case LFUN_ACCENT_MACRON:
2217         case LFUN_ACCENT_DOT:
2218         case LFUN_ACCENT_UNDERDOT:
2219         case LFUN_ACCENT_UNDERBAR:
2220         case LFUN_ACCENT_CARON:
2221         case LFUN_ACCENT_BREVE:
2222         case LFUN_ACCENT_TIE:
2223         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2224         case LFUN_ACCENT_CIRCLE:
2225         case LFUN_ACCENT_OGONEK:
2226         case LFUN_THESAURUS_ENTRY:
2227         case LFUN_PARAGRAPH_PARAMS_APPLY:
2228         case LFUN_PARAGRAPH_PARAMS:
2229         case LFUN_ESCAPE:
2230         case LFUN_BUFFER_END:
2231         case LFUN_BUFFER_BEGIN:
2232         case LFUN_BUFFER_BEGIN_SELECT:
2233         case LFUN_BUFFER_END_SELECT:
2234         case LFUN_UNICODE_INSERT:
2235                 // these are handled in our dispatch()
2236                 enable = true;
2237                 break;
2238
2239         default:
2240                 return false;
2241         }
2242
2243         if (code != NO_CODE
2244             && (cur.empty() || !cur.inset().insetAllowed(code)))
2245                 enable = false;
2246
2247         flag.setEnabled(enable);
2248         return true;
2249 }
2250
2251
2252 void Text::pasteString(Cursor & cur, docstring const & clip,
2253                 bool asParagraphs)
2254 {
2255         cur.clearSelection();
2256         if (!clip.empty()) {
2257                 cur.recordUndo();
2258                 if (asParagraphs)
2259                         insertStringAsParagraphs(cur, clip);
2260                 else
2261                         insertStringAsLines(cur, clip);
2262         }
2263 }
2264
2265 } // namespace lyx