src/Text3.cpp

   1 /**
   2  * \file text3.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "Text.h"
  19
  20 #include "Bidi.h"
  21 #include "BranchList.h"
  22 #include "FloatList.h"
  23 #include "FuncStatus.h"
  24 #include "Buffer.h"
  25 #include "buffer_funcs.h"
  26 #include "BufferParams.h"
  27 #include "BufferView.h"
  28 #include "Cursor.h"
  29 #include "CutAndPaste.h"
  30 #include "DispatchResult.h"
  31 #include "ErrorList.h"
  32 #include "factory.h"
  33 #include "FuncRequest.h"
  34 #include "InsetList.h"
  35 #include "Intl.h"
  36 #include "Language.h"
  37 #include "Layout.h"
  38 #include "LyXAction.h"
  39 #include "LyXFunc.h"
  40 #include "Lexer.h"
  41 #include "LyXRC.h"
  42 #include "Paragraph.h"
  43 #include "paragraph_funcs.h"
  44 #include "ParagraphParameters.h"
  45 #include "TextClass.h"
  46 #include "TextMetrics.h"
  47 #include "VSpace.h"
  48
  49 #include "frontends/Clipboard.h"
  50 #include "frontends/Selection.h"
  51
  52 #include "insets/InsetCollapsable.h"
  53 #include "insets/InsetCommand.h"
  54 #include "insets/InsetFloatList.h"
  55 #include "insets/InsetNewline.h"
  56 #include "insets/InsetQuotes.h"
  57 #include "insets/InsetSpecialChar.h"
  58 #include "insets/InsetText.h"
  59 #include "insets/InsetInfo.h"
  60
  61 #include "support/convert.h"
  62 #include "support/debug.h"
  63 #include "support/gettext.h"
  64 #include "support/lstrings.h"
  65 #include "support/lyxtime.h"
  66
  67 #include "mathed/InsetMathHull.h"
  68 #include "mathed/MathMacroTemplate.h"
  69
  70 #include <boost/next_prior.hpp>
  71
  72 #include <clocale>
  73 #include <sstream>
  74
  75 using namespace std;
  76 using namespace lyx::support;
  77
  78 namespace lyx {
  79
  80 using cap::copySelection;
  81 using cap::cutSelection;
  82 using cap::pasteFromStack;
  83 using cap::pasteClipboardText;
  84 using cap::pasteClipboardGraphics;
  85 using cap::replaceSelection;
  86
  87 // globals...
  88 static Font freefont(ignore_font, ignore_language);
  89 static bool toggleall = false;
  90
  91 static void toggleAndShow(Cursor & cur, Text * text,
  92         Font const & font, bool toggleall = true)
  93 {
  94         text->toggleFree(cur, font, toggleall);
  95
  96         if (font.language() != ignore_language ||
  97             font.fontInfo().number() != FONT_IGNORE) {
  98                 TextMetrics const & tm = cur.bv().textMetrics(text);
  99                 if (cur.boundary() != tm.isRTLBoundary(cur.pit(), cur.pos(),
 100                                                        cur.real_current_font))
 101                         text->setCursor(cur, cur.pit(), cur.pos(),
 102                                         false, !cur.boundary());
 103         }
 104 }
 105
 106
 107 static void moveCursor(Cursor & cur, bool selecting)
 108 {
 109         if (selecting || cur.mark())
 110                 cur.setSelection();
 111 }
 112
 113
 114 static void finishChange(Cursor & cur, bool selecting)
 115 {
 116         cur.finishUndo();
 117         moveCursor(cur, selecting);
 118 }
 119
 120
 121 static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 122 {
 123         cur.recordUndo();
 124         docstring sel = cur.selectionAsString(false);
 125
 126         // It may happen that sel is empty but there is a selection
 127         replaceSelection(cur);
 128
 129         if (sel.empty()) {
 130 #ifdef ENABLE_ASSERTIONS
 131                 const int old_pos = cur.pos();
 132 #endif
 133                 cur.insert(new InsetMathHull(hullSimple));
 134 #ifdef ENABLE_ASSERTIONS
 135                 LASSERT(old_pos == cur.pos(), /**/);
 136 #endif
 137                 cur.nextInset()->edit(cur, true);
 138                 // don't do that also for LFUN_MATH_MODE
 139                 // unless you want end up with always changing
 140                 // to mathrm when opening an inlined inset --
 141                 // I really hate "LyXfunc overloading"...
 142                 if (display)
 143                         cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 144                 // Avoid an unnecessary undo step if cmd.argument
 145                 // is empty
 146                 if (!cmd.argument().empty())
 147                         cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 148                                                  cmd.argument()));
 149         } else {
 150                 // create a macro if we see "\\newcommand"
 151                 // somewhere, and an ordinary formula
 152                 // otherwise
 153                 if (sel.find(from_ascii("\\newcommand")) == string::npos
 154                                 && sel.find(from_ascii("\\newlyxcommand")) == string::npos
 155                                 && sel.find(from_ascii("\\def")) == string::npos)
 156                 {
 157                         InsetMathHull * formula = new InsetMathHull;
 158                         istringstream is(to_utf8(sel));
 159                         Lexer lex;
 160                         lex.setStream(is);
 161                         formula->read(lex);
 162                         if (formula->getType() == hullNone)
 163                                 // Don't create pseudo formulas if
 164                                 // delimiters are left out
 165                                 formula->mutate(hullSimple);
 166                         cur.insert(formula);
 167                 } else {
 168                         cur.insert(new MathMacroTemplate(sel));
 169                 }
 170         }
 171         cur.message(from_utf8(N_("Math editor mode")));
 172 }
 173
 174
 175 static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 176 {
 177         cur.recordUndo();
 178         cap::replaceSelection(cur);
 179         cur.insert(new InsetSpecialChar(kind));
 180         cur.posForward();
 181 }
 182
 183
 184 static bool doInsertInset(Cursor & cur, Text * text,
 185         FuncRequest const & cmd, bool edit, bool pastesel)
 186 {
 187         Buffer & buffer = cur.bv().buffer();
 188         BufferParams const & bparams = buffer.params();
 189         Inset * inset = createInset(buffer, cmd);
 190         if (!inset)
 191                 return false;
 192
 193         if (InsetCollapsable * ci = inset->asInsetCollapsable())
 194                 ci->setLayout(bparams);
 195
 196         cur.recordUndo();
 197         if (cmd.action == LFUN_INDEX_INSERT) {
 198                 docstring ds = subst(text->getStringToIndex(cur), '\n', ' ');
 199                 text->insertInset(cur, inset);
 200                 if (edit)
 201                         inset->edit(cur, true);
 202                 // Now put this into inset
 203                 static_cast<InsetCollapsable *>(inset)->text_.insertStringAsParagraphs(cur, ds);
 204                 return true;
 205         }
 206
 207         bool gotsel = false;
 208         if (cur.selection()) {
 209                 lyx::dispatch(FuncRequest(LFUN_CUT));
 210                 gotsel = true;
 211         }
 212         text->insertInset(cur, inset);
 213
 214         if (edit)
 215                 inset->edit(cur, true);
 216
 217         if (!gotsel || !pastesel)
 218                 return true;
 219
 220         lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 221         InsetText * insetText = dynamic_cast<InsetText *>(inset);
 222         if (insetText && !insetText->allowMultiPar() || cur.lastpit() == 0) {
 223                 // reset first par to default
 224                 cur.text()->paragraphs().begin()
 225                         ->setEmptyOrDefaultLayout(bparams.documentClass());
 226                 cur.pos() = 0;
 227                 cur.pit() = 0;
 228                 // Merge multiple paragraphs -- hack
 229                 while (cur.lastpit() > 0)
 230                         mergeParagraph(bparams, cur.text()->paragraphs(), 0);
 231         } else {
 232                 // reset surrounding par to default
 233                 docstring const layoutname = insetText->useEmptyLayout()
 234                         ? bparams.documentClass().emptyLayoutName()
 235                         : bparams.documentClass().defaultLayoutName();
 236                 cur.leaveInset(*inset);
 237                 text->setLayout(cur, layoutname);
 238         }
 239
 240         return true;
 241 }
 242
 243
 244 string const freefont2string()
 245 {
 246         return freefont.toString(toggleall);
 247 }
 248
 249
 250 /// the type of outline operation
 251 enum OutlineOp {
 252         OutlineUp, // Move this header with text down
 253         OutlineDown,   // Move this header with text up
 254         OutlineIn, // Make this header deeper
 255         OutlineOut // Make this header shallower
 256 };
 257
 258
 259 static void outline(OutlineOp mode, Cursor & cur)
 260 {
 261         Buffer & buf = cur.buffer();
 262         pit_type & pit = cur.pit();
 263         ParagraphList & pars = buf.text().paragraphs();
 264         ParagraphList::iterator bgn = pars.begin();
 265         // The first paragraph of the area to be copied:
 266         ParagraphList::iterator start = boost::next(bgn, pit);
 267         // The final paragraph of area to be copied:
 268         ParagraphList::iterator finish = start;
 269         ParagraphList::iterator end = pars.end();
 270
 271         DocumentClass const & tc = buf.params().documentClass();
 272
 273         int const thistoclevel = start->layout().toclevel;
 274         int toclevel;
 275
 276         // Move out (down) from this section header
 277         if (finish != end)
 278                 ++finish;
 279         // Seek the one (on same level) below
 280         for (; finish != end; ++finish) {
 281                 toclevel = finish->layout().toclevel;
 282                 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel) {
 283                         break;
 284                 }
 285         }
 286
 287         switch (mode) {
 288                 case OutlineUp: {
 289                         if (start == pars.begin())
 290                                 // Nothing to move.
 291                                 return;
 292                         ParagraphList::iterator dest = start;
 293                         // Move out (up) from this header
 294                         if (dest == bgn)
 295                                 return;
 296                         // Search previous same-level header above
 297                         do {
 298                                 --dest;
 299                                 toclevel = dest->layout().toclevel;
 300                         } while(dest != bgn
 301                                 && (toclevel == Layout::NOT_IN_TOC
 302                                     || toclevel > thistoclevel));
 303                         // Not found; do nothing
 304                         if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
 305                                 return;
 306                         pit_type const newpit = distance(bgn, dest);
 307                         pit_type const len = distance(start, finish);
 308                         pit_type const deletepit = pit + len;
 309                         buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
 310                         pars.insert(dest, start, finish);
 311                         start = boost::next(pars.begin(), deletepit);
 312                         pit = newpit;
 313                         pars.erase(start, finish);
 314                         return;
 315                 }
 316                 case OutlineDown: {
 317                         if (finish == end)
 318                                 // Nothing to move.
 319                                 return;
 320                         // Go one down from *this* header:
 321                         ParagraphList::iterator dest = boost::next(finish, 1);
 322                         // Go further down to find header to insert in front of:
 323                         for (; dest != end; ++dest) {
 324                                 toclevel = dest->layout().toclevel;
 325                                 if (toclevel != Layout::NOT_IN_TOC
 326                                     && toclevel <= thistoclevel) {
 327                                         break;
 328                                 }
 329                         }
 330                         // One such was found:
 331                         pit_type newpit = distance(bgn, dest);
 332                         pit_type const len = distance(start, finish);
 333                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
 334                         pars.insert(dest, start, finish);
 335                         start = boost::next(bgn, pit);
 336                         pit = newpit - len;
 337                         pars.erase(start, finish);
 338                         return;
 339                 }
 340                 case OutlineIn: {
 341                         pit_type const len = distance(start, finish);
 342                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 343                         for (; start != finish; ++start) {
 344                                 toclevel = start->layout().toclevel;
 345                                 if (toclevel == Layout::NOT_IN_TOC)
 346                                         continue;
 347                                 DocumentClass::const_iterator lit = tc.begin();
 348                                 DocumentClass::const_iterator len = tc.end();
 349                                 for (; lit != len; ++lit) {
 350                                         if (lit->toclevel == toclevel + 1 &&
 351                                             start->layout().labeltype == lit->labeltype) {
 352                                                 start->setLayout(*lit);
 353                                                 break;
 354                                         }
 355                                 }
 356                         }
 357                         return;
 358                 }
 359                 case OutlineOut: {
 360                         pit_type const len = distance(start, finish);
 361                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 362                         for (; start != finish; ++start) {
 363                                 toclevel = start->layout().toclevel;
 364                                 if (toclevel == Layout::NOT_IN_TOC)
 365                                         continue;
 366                                 DocumentClass::const_iterator lit = tc.begin();
 367                                 DocumentClass::const_iterator len = tc.end();
 368                                 for (; lit != len; ++lit) {
 369                                         if (lit->toclevel == toclevel - 1 &&
 370                                                 start->layout().labeltype == lit->labeltype) {
 371                                                         start->setLayout(*lit);
 372                                                         break;
 373                                         }
 374                                 }
 375                         }
 376                         return;
 377                 }
 378         }
 379 }
 380
 381
 382 void Text::number(Cursor & cur)
 383 {
 384         FontInfo font = ignore_font;
 385         font.setNumber(FONT_TOGGLE);
 386         toggleAndShow(cur, this, Font(font, ignore_language));
 387 }
 388
 389
 390 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 391 {
 392         return par.isRTL(buffer.params());
 393 }
 394
 395
 396 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 397 {
 398         LYXERR(Debug::ACTION, "Text::dispatch: cmd: " << cmd);
 399
 400         BufferView * bv = &cur.bv();
 401         TextMetrics & tm = bv->textMetrics(this);
 402         if (!tm.contains(cur.pit()))
 403                 lyx::dispatch(FuncRequest(LFUN_SCREEN_RECENTER));
 404
 405         // FIXME: We use the update flag to indicates wether a singlePar or a
 406         // full screen update is needed. We reset it here but shall we restore it
 407         // at the end?
 408         cur.noUpdate();
 409
 410         LASSERT(cur.text() == this, /**/);
 411         CursorSlice oldTopSlice = cur.top();
 412         bool oldBoundary = cur.boundary();
 413         bool sel = cur.selection();
 414         // Signals that, even if needsUpdate == false, an update of the
 415         // cursor paragraph is required
 416         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 417                 LyXAction::SingleParUpdate);
 418         // Signals that a full-screen update is required
 419         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 420                 LyXAction::NoUpdate) || singleParUpdate);
 421
 422         switch (cmd.action) {
 423
 424         case LFUN_PARAGRAPH_MOVE_DOWN: {
 425                 pit_type const pit = cur.pit();
 426                 recUndo(cur, pit, pit + 1);
 427                 cur.finishUndo();
 428                 swap(pars_[pit], pars_[pit + 1]);
 429                 updateLabels(cur.buffer());
 430                 needsUpdate = true;
 431                 ++cur.pit();
 432                 break;
 433         }
 434
 435         case LFUN_PARAGRAPH_MOVE_UP: {
 436                 pit_type const pit = cur.pit();
 437                 recUndo(cur, pit - 1, pit);
 438                 cur.finishUndo();
 439                 swap(pars_[pit], pars_[pit - 1]);
 440                 updateLabels(cur.buffer());
 441                 --cur.pit();
 442                 needsUpdate = true;
 443                 break;
 444         }
 445
 446         case LFUN_APPENDIX: {
 447                 Paragraph & par = cur.paragraph();
 448                 bool start = !par.params().startOfAppendix();
 449
 450 // FIXME: The code below only makes sense at top level.
 451 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 452                 // ensure that we have only one start_of_appendix in this document
 453                 // FIXME: this don't work for multipart document!
 454                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 455                         if (pars_[tmp].params().startOfAppendix()) {
 456                                 recUndo(cur, tmp);
 457                                 pars_[tmp].params().startOfAppendix(false);
 458                                 break;
 459                         }
 460                 }
 461
 462                 cur.recordUndo();
 463                 par.params().startOfAppendix(start);
 464
 465                 // we can set the refreshing parameters now
 466                 updateLabels(cur.buffer());
 467                 break;
 468         }
 469
 470         case LFUN_WORD_DELETE_FORWARD:
 471                 if (cur.selection()) {
 472                         cutSelection(cur, true, false);
 473                 } else
 474                         deleteWordForward(cur);
 475                 finishChange(cur, false);
 476                 break;
 477
 478         case LFUN_WORD_DELETE_BACKWARD:
 479                 if (cur.selection()) {
 480                         cutSelection(cur, true, false);
 481                 } else
 482                         deleteWordBackward(cur);
 483                 finishChange(cur, false);
 484                 break;
 485
 486         case LFUN_LINE_DELETE:
 487                 if (cur.selection()) {
 488                         cutSelection(cur, true, false);
 489                 } else
 490                         tm.deleteLineForward(cur);
 491                 finishChange(cur, false);
 492                 break;
 493
 494         case LFUN_BUFFER_BEGIN:
 495         case LFUN_BUFFER_BEGIN_SELECT:
 496                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 497                 if (cur.depth() == 1) {
 498                         needsUpdate |= cursorTop(cur);
 499                 } else {
 500                         cur.undispatched();
 501                 }
 502                 cur.updateFlags(Update::FitCursor);
 503                 break;
 504
 505         case LFUN_BUFFER_END:
 506         case LFUN_BUFFER_END_SELECT:
 507                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 508                 if (cur.depth() == 1) {
 509                         needsUpdate |= cursorBottom(cur);
 510                 } else {
 511                         cur.undispatched();
 512                 }
 513                 cur.updateFlags(Update::FitCursor);
 514                 break;
 515
 516         case LFUN_CHAR_FORWARD:
 517         case LFUN_CHAR_FORWARD_SELECT:
 518                 //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
 519                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 520                 needsUpdate |= cursorForward(cur);
 521
 522                 if (!needsUpdate && oldTopSlice == cur.top()
 523                                 && cur.boundary() == oldBoundary) {
 524                         cur.undispatched();
 525                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 526                 }
 527                 break;
 528
 529         case LFUN_CHAR_BACKWARD:
 530         case LFUN_CHAR_BACKWARD_SELECT:
 531                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 532                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 533                 needsUpdate |= cursorBackward(cur);
 534
 535                 if (!needsUpdate && oldTopSlice == cur.top()
 536                         && cur.boundary() == oldBoundary) {
 537                         cur.undispatched();
 538                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 539                 }
 540                 break;
 541
 542         case LFUN_CHAR_LEFT:
 543         case LFUN_CHAR_LEFT_SELECT:
 544                 if (lyxrc.visual_cursor) {
 545                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_LEFT_SELECT);
 546                         needsUpdate |= cursorVisLeft(cur);
 547                         if (!needsUpdate && oldTopSlice == cur.top()
 548                                         && cur.boundary() == oldBoundary) {
 549                                 cur.undispatched();
 550                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 551                         }
 552                 } else {
 553                         if (reverseDirectionNeeded(cur)) {
 554                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 555                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 556                         } else {
 557                                 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
 558                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 559                         }
 560                         dispatch(cur, cmd);
 561                         return;
 562                 }
 563                 break;
 564
 565         case LFUN_CHAR_RIGHT:
 566         case LFUN_CHAR_RIGHT_SELECT:
 567                 if (lyxrc.visual_cursor) {
 568                         needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_RIGHT_SELECT);
 569                         needsUpdate |= cursorVisRight(cur);
 570                         if (!needsUpdate && oldTopSlice == cur.top()
 571                                         && cur.boundary() == oldBoundary) {
 572                                 cur.undispatched();
 573                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 574                         }
 575                 } else {
 576                         if (reverseDirectionNeeded(cur)) {
 577                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 578                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
 579                         } else {
 580                                 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 581                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
 582                         }
 583                         dispatch(cur, cmd);
 584                         return;
 585                 }
 586                 break;
 587
 588
 589         case LFUN_UP_SELECT:
 590         case LFUN_DOWN_SELECT:
 591         case LFUN_UP:
 592         case LFUN_DOWN: {
 593                 // stop/start the selection
 594                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 595                         cmd.action == LFUN_UP_SELECT;
 596                 cur.selHandle(select);
 597
 598                 // move cursor up/down
 599                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 600                 bool const successful = cur.upDownInText(up, needsUpdate);
 601                 if (successful) {
 602                         // redraw if you leave mathed (for the decorations)
 603                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 604                 } else
 605                         cur.undispatched();
 606
 607                 break;
 608         }
 609
 610         case LFUN_PARAGRAPH_UP:
 611         case LFUN_PARAGRAPH_UP_SELECT:
 612                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 613                 needsUpdate |= cursorUpParagraph(cur);
 614                 break;
 615
 616         case LFUN_PARAGRAPH_DOWN:
 617         case LFUN_PARAGRAPH_DOWN_SELECT:
 618                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 619                 needsUpdate |= cursorDownParagraph(cur);
 620                 break;
 621
 622         case LFUN_LINE_BEGIN:
 623         case LFUN_LINE_BEGIN_SELECT:
 624                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 625                 needsUpdate |= tm.cursorHome(cur);
 626                 break;
 627
 628         case LFUN_LINE_END:
 629         case LFUN_LINE_END_SELECT:
 630                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 631                 needsUpdate |= tm.cursorEnd(cur);
 632                 break;
 633
 634         case LFUN_WORD_RIGHT:
 635         case LFUN_WORD_RIGHT_SELECT:
 636                 if (lyxrc.visual_cursor) {
 637                         needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_RIGHT_SELECT);
 638                         needsUpdate |= cursorVisRightOneWord(cur);
 639                         if (!needsUpdate && oldTopSlice == cur.top()
 640                                         && cur.boundary() == oldBoundary) {
 641                                 cur.undispatched();
 642                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 643                         }
 644                 } else {
 645                         if (reverseDirectionNeeded(cur)) {
 646                                 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 647                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 648                         } else {
 649                                 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
 650                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 651                         }
 652                         dispatch(cur, cmd);
 653                         return;
 654                 }
 655                 break;
 656
 657         case LFUN_WORD_FORWARD:
 658         case LFUN_WORD_FORWARD_SELECT:
 659                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 660                 needsUpdate |= cursorForwardOneWord(cur);
 661                 break;
 662
 663         case LFUN_WORD_LEFT:
 664         case LFUN_WORD_LEFT_SELECT:
 665                 if (lyxrc.visual_cursor) {
 666                         needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_LEFT_SELECT);
 667                         needsUpdate |= cursorVisLeftOneWord(cur);
 668                         if (!needsUpdate && oldTopSlice == cur.top()
 669                                         && cur.boundary() == oldBoundary) {
 670                                 cur.undispatched();
 671                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 672                         }
 673                 } else {
 674                         if (reverseDirectionNeeded(cur)) {
 675                                 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 676                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
 677                         } else {
 678                                 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
 679                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
 680                         }
 681                         dispatch(cur, cmd);
 682                         return;
 683                 }
 684                 break;
 685
 686         case LFUN_WORD_BACKWARD:
 687         case LFUN_WORD_BACKWARD_SELECT:
 688                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 689                 needsUpdate |= cursorBackwardOneWord(cur);
 690                 break;
 691
 692         case LFUN_WORD_SELECT: {
 693                 selectWord(cur, WHOLE_WORD);
 694                 finishChange(cur, true);
 695                 break;
 696         }
 697
 698         case LFUN_NEWLINE_INSERT: {
 699                 InsetNewlineParams inp;
 700                 docstring arg = cmd.argument();
 701                 // this avoids a double undo
 702                 // FIXME: should not be needed, ideally
 703                 if (!cur.selection())
 704                         cur.recordUndo();
 705                 cap::replaceSelection(cur);
 706                 if (arg == "linebreak")
 707                         inp.kind = InsetNewlineParams::LINEBREAK;
 708                 else
 709                         inp.kind = InsetNewlineParams::NEWLINE;
 710                 cur.insert(new InsetNewline(inp));
 711                 cur.posForward();
 712                 moveCursor(cur, false);
 713                 break;
 714         }
 715
 716         case LFUN_CHAR_DELETE_FORWARD:
 717                 if (!cur.selection()) {
 718                         if (cur.pos() == cur.paragraph().size())
 719                                 // Par boundary, force full-screen update
 720                                 singleParUpdate = false;
 721                         needsUpdate |= erase(cur);
 722                         cur.resetAnchor();
 723                         // It is possible to make it a lot faster still
 724                         // just comment out the line below...
 725                 } else {
 726                         cutSelection(cur, true, false);
 727                         singleParUpdate = false;
 728                 }
 729                 moveCursor(cur, false);
 730                 break;
 731
 732         case LFUN_DELETE_FORWARD_SKIP:
 733                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 734                 if (!cur.selection()) {
 735                         if (cur.pos() == cur.lastpos()) {
 736                                 cursorForward(cur);
 737                                 cursorBackward(cur);
 738                         }
 739                         erase(cur);
 740                         cur.resetAnchor();
 741                 } else {
 742                         cutSelection(cur, true, false);
 743                 }
 744                 break;
 745
 746
 747         case LFUN_CHAR_DELETE_BACKWARD:
 748                 if (!cur.selection()) {
 749                         if (bv->getIntl().getTransManager().backspace()) {
 750                                 // Par boundary, full-screen update
 751                                 if (cur.pos() == 0)
 752                                         singleParUpdate = false;
 753                                 needsUpdate |= backspace(cur);
 754                                 cur.resetAnchor();
 755                                 // It is possible to make it a lot faster still
 756                                 // just comment out the line below...
 757                         }
 758                 } else {
 759                         cutSelection(cur, true, false);
 760                         singleParUpdate = false;
 761                 }
 762                 break;
 763
 764         case LFUN_DELETE_BACKWARD_SKIP:
 765                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 766                 if (!cur.selection()) {
 767                         // FIXME: look here
 768                         //CursorSlice cur = cursor();
 769                         backspace(cur);
 770                         //anchor() = cur;
 771                 } else {
 772                         cutSelection(cur, true, false);
 773                 }
 774                 break;
 775
 776         case LFUN_BREAK_PARAGRAPH:
 777                 cap::replaceSelection(cur);
 778                 breakParagraph(cur, cmd.argument() == "inverse");
 779                 cur.resetAnchor();
 780                 break;
 781
 782         case LFUN_BREAK_PARAGRAPH_SKIP: {
 783                 // When at the beginning of a paragraph, remove
 784                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 785                 cap::replaceSelection(cur);
 786                 if (cur.pos() == 0)
 787                         cur.paragraph().params().labelWidthString(docstring());
 788                 else
 789                         breakParagraph(cur, false);
 790                 cur.resetAnchor();
 791                 break;
 792         }
 793
 794         // TODO
 795         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 796         // as its duties can be performed there. Should it be removed??
 797         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 798         case LFUN_PARAGRAPH_SPACING: {
 799                 Paragraph & par = cur.paragraph();
 800                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 801                 string cur_value = "1.0";
 802                 if (cur_spacing == Spacing::Other)
 803                         cur_value = par.params().spacing().getValueAsString();
 804
 805                 istringstream is(to_utf8(cmd.argument()));
 806                 string tmp;
 807                 is >> tmp;
 808                 Spacing::Space new_spacing = cur_spacing;
 809                 string new_value = cur_value;
 810                 if (tmp.empty()) {
 811                         lyxerr << "Missing argument to `paragraph-spacing'"
 812                                << endl;
 813                 } else if (tmp == "single") {
 814                         new_spacing = Spacing::Single;
 815                 } else if (tmp == "onehalf") {
 816                         new_spacing = Spacing::Onehalf;
 817                 } else if (tmp == "double") {
 818                         new_spacing = Spacing::Double;
 819                 } else if (tmp == "other") {
 820                         new_spacing = Spacing::Other;
 821                         string tmpval = "0.0";
 822                         is >> tmpval;
 823                         lyxerr << "new_value = " << tmpval << endl;
 824                         if (tmpval != "0.0")
 825                                 new_value = tmpval;
 826                 } else if (tmp == "default") {
 827                         new_spacing = Spacing::Default;
 828                 } else {
 829                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 830                                << to_utf8(cmd.argument()) << endl;
 831                 }
 832                 if (cur_spacing != new_spacing || cur_value != new_value)
 833                         par.params().spacing(Spacing(new_spacing, new_value));
 834                 break;
 835         }
 836
 837         case LFUN_INSET_INSERT: {
 838                 cur.recordUndo();
 839                 Inset * inset = createInset(bv->buffer(), cmd);
 840                 if (inset) {
 841                         // FIXME (Abdel 01/02/2006):
 842                         // What follows would be a partial fix for bug 2154:
 843                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 844                         // This automatically put the label inset _after_ a
 845                         // numbered section. It should be possible to extend the mechanism
 846                         // to any kind of LateX environement.
 847                         // The correct way to fix that bug would be at LateX generation.
 848                         // I'll let the code here for reference as it could be used for some
 849                         // other feature like "automatic labelling".
 850                         /*
 851                         Paragraph & par = pars_[cur.pit()];
 852                         if (inset->lyxCode() == LABEL_CODE
 853                                 && par.layout().labeltype == LABEL_COUNTER) {
 854                                 // Go to the end of the paragraph
 855                                 // Warning: Because of Change-Tracking, the last
 856                                 // position is 'size()' and not 'size()-1':
 857                                 cur.pos() = par.size();
 858                                 // Insert a new paragraph
 859                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 860                                 dispatch(cur, fr);
 861                         }
 862                         */
 863                         if (cur.selection())
 864                                 cutSelection(cur, true, false);
 865                         cur.insert(inset);
 866                         cur.posForward();
 867                 }
 868                 break;
 869         }
 870
 871         case LFUN_INSET_DISSOLVE:
 872                 needsUpdate |= dissolveInset(cur);
 873                 break;
 874
 875         case LFUN_INSET_SETTINGS: {
 876                 // if there is an inset at cursor, access this
 877                 Inset * inset = cur.nextInset();
 878                 if (inset) {
 879                         inset->showInsetDialog(bv);
 880                         break;
 881                 }
 882                 // if not work, access the underlying inset.
 883                 cur.inset().showInsetDialog(bv);
 884                 break;
 885         }
 886
 887         case LFUN_SPACE_INSERT:
 888                 if (cur.paragraph().layout().free_spacing)
 889                         insertChar(cur, ' ');
 890                 else {
 891                         doInsertInset(cur, this, cmd, false, false);
 892                         cur.posForward();
 893                 }
 894                 moveCursor(cur, false);
 895                 break;
 896
 897         case LFUN_SPECIALCHAR_INSERT: {
 898                 string const name = to_utf8(cmd.argument());
 899                 if (name == "hyphenation")
 900                         specialChar(cur, InsetSpecialChar::HYPHENATION);
 901                 else if (name == "ligature-break")
 902                         specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 903                 else if (name == "slash")
 904                         specialChar(cur, InsetSpecialChar::SLASH);
 905                 else if (name == "nobreakdash")
 906                         specialChar(cur, InsetSpecialChar::NOBREAKDASH);
 907                 else if (name == "dots")
 908                         specialChar(cur, InsetSpecialChar::LDOTS);
 909                 else if (name == "end-of-sentence")
 910                         specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 911                 else if (name == "menu-separator")
 912                         specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 913                 else if (name.empty())
 914                         lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
 915                 else
 916                         lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
 917                 break;
 918         }
 919
 920         case LFUN_WORD_UPCASE:
 921                 changeCase(cur, text_uppercase);
 922                 break;
 923
 924         case LFUN_WORD_LOWCASE:
 925                 changeCase(cur, text_lowercase);
 926                 break;
 927
 928         case LFUN_WORD_CAPITALIZE:
 929                 changeCase(cur, text_capitalization);
 930                 break;
 931
 932         case LFUN_CHARS_TRANSPOSE:
 933                 charsTranspose(cur);
 934                 break;
 935
 936         case LFUN_PASTE: {
 937                 cur.message(_("Paste"));
 938                 cap::replaceSelection(cur);
 939
 940                 // without argument?
 941                 string const arg = to_utf8(cmd.argument());
 942                 if (arg.empty()) {
 943                         if (theClipboard().isInternal())
 944                                 pasteFromStack(cur, bv->buffer().errorList("Paste"), 0);
 945                         else if (theClipboard().hasGraphicsContents())
 946                                 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"));
 947                         else
 948                                 pasteClipboardText(cur, bv->buffer().errorList("Paste"));
 949                 } else if (isStrUnsignedInt(arg)) {
 950                         // we have a numerical argument
 951                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 952                                        convert<unsigned int>(arg));
 953                 } else {
 954                         Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
 955                         if (arg == "pdf")
 956                                 type = Clipboard::PdfGraphicsType;
 957                         else if (arg == "png")
 958                                 type = Clipboard::PngGraphicsType;
 959                         else if (arg == "jpeg")
 960                                 type = Clipboard::JpegGraphicsType;
 961                         else if (arg == "linkback")
 962                                 type = Clipboard::LinkBackGraphicsType;
 963                         else
 964                                 LASSERT(false, /**/);
 965
 966                         pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
 967                 }
 968
 969                 bv->buffer().errors("Paste");
 970                 cur.clearSelection(); // bug 393
 971                 cur.finishUndo();
 972                 break;
 973         }
 974
 975         case LFUN_CUT:
 976                 cutSelection(cur, true, true);
 977                 cur.message(_("Cut"));
 978                 break;
 979
 980         case LFUN_COPY:
 981                 copySelection(cur);
 982                 cur.message(_("Copy"));
 983                 break;
 984
 985         case LFUN_SERVER_GET_XY:
 986                 cur.message(from_utf8(
 987                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 988                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 989                 break;
 990
 991         case LFUN_SERVER_SET_XY: {
 992                 int x = 0;
 993                 int y = 0;
 994                 istringstream is(to_utf8(cmd.argument()));
 995                 is >> x >> y;
 996                 if (!is)
 997                         lyxerr << "SETXY: Could not parse coordinates in '"
 998                                << to_utf8(cmd.argument()) << endl;
 999                 else
1000                         tm.setCursorFromCoordinates(cur, x, y);
1001                 break;
1002         }
1003
1004         case LFUN_SERVER_GET_LAYOUT:
1005                 cur.message(cur.paragraph().layout().name());
1006                 break;
1007
1008         case LFUN_LAYOUT: {
1009                 docstring layout = cmd.argument();
1010                 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
1011
1012                 Paragraph const & para = cur.paragraph();
1013                 docstring const old_layout = para.layout().name();
1014                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1015
1016                 if (layout.empty())
1017                         layout = tclass.defaultLayoutName();
1018
1019                 if (para.forceEmptyLayout())
1020                         // in this case only the empty layout is allowed
1021                         layout = tclass.emptyLayoutName();
1022                 else if (para.useEmptyLayout()) {
1023                         // in this case, default layout maps to empty layout
1024                         if (layout == tclass.defaultLayoutName())
1025                                 layout = tclass.emptyLayoutName();
1026                 } else {
1027                         // otherwise, the empty layout maps to the default
1028                         if (layout == tclass.emptyLayoutName())
1029                                 layout = tclass.defaultLayoutName();
1030                 }
1031
1032                 bool hasLayout = tclass.hasLayout(layout);
1033
1034                 // If the entry is obsolete, use the new one instead.
1035                 if (hasLayout) {
1036                         docstring const & obs = tclass[layout].obsoleted_by();
1037                         if (!obs.empty())
1038                                 layout = obs;
1039                 }
1040
1041                 if (!hasLayout) {
1042                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
1043                                 from_utf8(N_(" not known")));
1044                         break;
1045                 }
1046
1047                 bool change_layout = (old_layout != layout);
1048
1049                 if (!change_layout && cur.selection() &&
1050                         cur.selBegin().pit() != cur.selEnd().pit())
1051                 {
1052                         pit_type spit = cur.selBegin().pit();
1053                         pit_type epit = cur.selEnd().pit() + 1;
1054                         while (spit != epit) {
1055                                 if (pars_[spit].layout().name() != old_layout) {
1056                                         change_layout = true;
1057                                         break;
1058                                 }
1059                                 ++spit;
1060                         }
1061                 }
1062
1063                 if (change_layout)
1064                         setLayout(cur, layout);
1065
1066                 break;
1067         }
1068
1069         case LFUN_CLIPBOARD_PASTE:
1070                 cur.clearSelection();
1071                 pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1072                                cmd.argument() == "paragraph");
1073                 bv->buffer().errors("Paste");
1074                 break;
1075
1076         case LFUN_PRIMARY_SELECTION_PASTE:
1077                 pasteString(cur, theSelection().get(),
1078                             cmd.argument() == "paragraph");
1079                 break;
1080
1081         case LFUN_UNICODE_INSERT: {
1082                 if (cmd.argument().empty())
1083                         break;
1084                 docstring hexstring = cmd.argument();
1085                 if (isHex(hexstring)) {
1086                         char_type c = hexToInt(hexstring);
1087                         if (c >= 32 && c < 0x10ffff) {
1088                                 lyxerr << "Inserting c: " << c << endl;
1089                                 docstring s = docstring(1, c);
1090                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1091                         }
1092                 }
1093                 break;
1094         }
1095
1096         case LFUN_QUOTE_INSERT: {
1097                 Paragraph & par = cur.paragraph();
1098                 pos_type pos = cur.pos();
1099                 BufferParams const & bufparams = bv->buffer().params();
1100                 Layout const & style = par.layout();
1101                 if (!style.pass_thru
1102                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1103                         // this avoids a double undo
1104                         // FIXME: should not be needed, ideally
1105                         if (!cur.selection())
1106                                 cur.recordUndo();
1107                         cap::replaceSelection(cur);
1108                         pos = cur.pos();
1109                         char_type c;
1110                         if (pos == 0)
1111                                 c = ' ';
1112                         else if (cur.prevInset() && cur.prevInset()->isSpace())
1113                                 c = ' ';
1114                         else
1115                                 c = par.getChar(pos - 1);
1116                         string arg = to_utf8(cmd.argument());
1117                         cur.insert(new InsetQuotes(c, bufparams.quotes_language,
1118                                 (arg == "single") ? InsetQuotes::SingleQuotes
1119                                         : InsetQuotes::DoubleQuotes));
1120                         cur.posForward();
1121                 }
1122                 else
1123                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1124                 break;
1125         }
1126
1127         case LFUN_DATE_INSERT: {
1128                 string const format = cmd.argument().empty()
1129                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1130                 string const time = formatted_time(current_time(), format);
1131                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1132                 break;
1133         }
1134
1135         case LFUN_MOUSE_TRIPLE:
1136                 if (cmd.button() == mouse_button::button1) {
1137                         tm.cursorHome(cur);
1138                         cur.resetAnchor();
1139                         tm.cursorEnd(cur);
1140                         cur.setSelection();
1141                         bv->cursor() = cur;
1142                 }
1143                 break;
1144
1145         case LFUN_MOUSE_DOUBLE:
1146                 if (cmd.button() == mouse_button::button1) {
1147                         selectWord(cur, WHOLE_WORD_STRICT);
1148                         bv->cursor() = cur;
1149                 }
1150                 break;
1151
1152         // Single-click on work area
1153         case LFUN_MOUSE_PRESS:
1154                 // We are not marking a selection with the keyboard in any case.
1155                 cur.bv().cursor().mark() = false;
1156                 switch (cmd.button()) {
1157                 case mouse_button::button1:
1158                         // Set the cursor
1159                         if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
1160                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1161                         break;
1162
1163                 case mouse_button::button2:
1164                         // Middle mouse pasting.
1165                         if (!cap::selection()) {
1166                                 // There is no local selection in the current buffer, so try to
1167                                 // paste primary selection instead.
1168                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE,
1169                                         "paragraph"));
1170                                 // Nothing else to do.
1171                                 cur.noUpdate();
1172                                 return;
1173                         }
1174                         // Copy the selection buffer to the clipboard stack, because we want it
1175                         // to appear in the "Edit->Paste recent" menu.
1176                         cap::copySelectionToStack();
1177                         cap::pasteSelection(bv->cursor(), bv->buffer().errorList("Paste"));
1178                         cur.updateFlags(Update::Force | Update::FitCursor);
1179                         bv->buffer().errors("Paste");
1180                         bv->buffer().markDirty();
1181                         bv->cursor().finishUndo();
1182                         break;
1183
1184                 case mouse_button::button3:
1185                         if (cur.selection()) {
1186                                 DocIterator const selbeg = cur.selectionBegin();
1187                                 DocIterator const selend = cur.selectionEnd();
1188                                 Cursor tmpcur = cur;
1189                                 tm.setCursorFromCoordinates(tmpcur, cmd.x, cmd.y);
1190                                 // Don't do anything if we right-click a selection, a selection
1191                                 // context menu should popup instead.
1192                                 if (tmpcur < selbeg || tmpcur >= selend) {
1193                                         cur.noUpdate();
1194                                         return;
1195                                 }
1196                         }
1197                         if (!bv->mouseSetCursor(cur, false)) {
1198                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1199                                 break;
1200                         }
1201                 default:
1202                         break;
1203                 } // switch (cmd.button())
1204                 break;
1205
1206         case LFUN_MOUSE_MOTION: {
1207                 // Mouse motion with right or middle mouse do nothing for now.
1208                 if (cmd.button() != mouse_button::button1) {
1209                         cur.noUpdate();
1210                         return;
1211                 }
1212                 // ignore motions deeper nested than the real anchor
1213                 Cursor & bvcur = cur.bv().cursor();
1214                 if (!bvcur.anchor_.hasPart(cur)) {
1215                         cur.undispatched();
1216                         break;
1217                 }
1218                 CursorSlice old = bvcur.top();
1219
1220                 int const wh = bv->workHeight();
1221                 int const y = max(0, min(wh - 1, cmd.y));
1222
1223                 tm.setCursorFromCoordinates(cur, cmd.x, y);
1224                 cur.setTargetX(cmd.x);
1225                 if (cmd.y >= wh)
1226                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1227                 else if (cmd.y < 0)
1228                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1229                 // This is to allow jumping over large insets
1230                 if (cur.top() == old) {
1231                         if (cmd.y >= wh)
1232                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1233                         else if (cmd.y < 0)
1234                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1235                 }
1236                 // We continue with our existing selection or start a new one, so don't
1237                 // reset the anchor.
1238                 bvcur.setCursor(cur);
1239                 bvcur.selection() = true;
1240                 if (cur.top() == old) {
1241                         // We didn't move one iota, so no need to update the screen.
1242                         cur.updateFlags(Update::SinglePar | Update::FitCursor);
1243                         //cur.noUpdate();
1244                         return;
1245                 }
1246                 break;
1247         }
1248
1249         case LFUN_MOUSE_RELEASE:
1250                 switch (cmd.button()) {
1251                 case mouse_button::button1:
1252                         // Cursor was set at LFUN_MOUSE_PRESS or LFUN_MOUSE_MOTION time.
1253                         // If there is a new selection, update persistent selection;
1254                         // otherwise, single click does not clear persistent selection
1255                         // buffer.
1256                         if (cur.selection()) {
1257                                 // Finish selection.
1258                                 // If double click, cur is moved to the end of word by selectWord
1259                                 // but bvcur is current mouse position.
1260                                 cur.bv().cursor().selection() = true;
1261                         }
1262                         // FIXME: We could try to handle drag and drop of selection here.
1263                         cur.noUpdate();
1264                         return;
1265
1266                 case mouse_button::button2:
1267                         // Middle mouse pasting is handled at mouse press time,
1268                         // see LFUN_MOUSE_PRESS.
1269                         cur.noUpdate();
1270                         return;
1271
1272                 case mouse_button::button3:
1273                         // Cursor was set at LFUN_MOUSE_PRESS time.
1274                         // FIXME: If there is a selection we could try to handle a special
1275                         // drag & drop context menu.
1276                         cur.noUpdate();
1277                         return;
1278
1279                 } // switch (cmd.button())
1280
1281                 break;
1282
1283         case LFUN_SELF_INSERT: {
1284                 if (cmd.argument().empty())
1285                         break;
1286
1287                 // Automatically delete the currently selected
1288                 // text and replace it with what is being
1289                 // typed in now. Depends on lyxrc settings
1290                 // "auto_region_delete", which defaults to
1291                 // true (on).
1292
1293                 if (lyxrc.auto_region_delete && cur.selection())
1294                         cutSelection(cur, false, false);
1295
1296                 cur.clearSelection();
1297                 Font const old_font = cur.real_current_font;
1298
1299                 docstring::const_iterator cit = cmd.argument().begin();
1300                 docstring::const_iterator end = cmd.argument().end();
1301                 for (; cit != end; ++cit)
1302                         bv->translateAndInsert(*cit, this, cur);
1303
1304                 cur.resetAnchor();
1305                 moveCursor(cur, false);
1306                 break;
1307         }
1308
1309         case LFUN_HYPERLINK_INSERT: {
1310                 InsetCommandParams p(HYPERLINK_CODE);
1311                 docstring content;
1312                 if (cur.selection()) {
1313                         content = cur.selectionAsString(false);
1314                         cutSelection(cur, true, false);
1315                 }
1316                 p["target"] = (cmd.argument().empty()) ?
1317                         content : cmd.argument();
1318                 string const data = InsetCommand::params2string("href", p);
1319                 if (p["target"].empty()) {
1320                         bv->showDialog("href", data);
1321                 } else {
1322                         FuncRequest fr(LFUN_INSET_INSERT, data);
1323                         dispatch(cur, fr);
1324                 }
1325                 break;
1326         }
1327
1328         case LFUN_LABEL_INSERT: {
1329                 InsetCommandParams p(LABEL_CODE);
1330                 // Try to generate a valid label
1331                 p["name"] = (cmd.argument().empty()) ?
1332                         cur.getPossibleLabel() :
1333                         cmd.argument();
1334                 string const data = InsetCommand::params2string("label", p);
1335
1336                 if (cmd.argument().empty()) {
1337                         bv->showDialog("label", data);
1338                 } else {
1339                         FuncRequest fr(LFUN_INSET_INSERT, data);
1340                         dispatch(cur, fr);
1341                 }
1342                 break;
1343         }
1344
1345         case LFUN_INFO_INSERT: {
1346                 Inset * inset = createInset(cur.bv().buffer(), cmd);
1347                 if (!inset)
1348                         break;
1349                 // if an empty inset is created (cmd.argument() is empty)
1350                 // use current selection as parameter.
1351                 if (cmd.argument().empty() && cur.selection()) {
1352                         // use selected text as info to avoid a separate UI
1353                         docstring ds = cur.selectionAsString(false);
1354                         cutSelection(cur, true, false);
1355                         static_cast<InsetInfo *>(inset)->setInfo(to_utf8(ds));
1356                         static_cast<InsetInfo *>(inset)->updateInfo();
1357                 }
1358                 insertInset(cur, inset);
1359                 cur.posForward();
1360                 break;
1361         }
1362 #if 0
1363         case LFUN_LIST_INSERT:
1364 #endif
1365         case LFUN_CAPTION_INSERT:
1366         case LFUN_FOOTNOTE_INSERT:
1367         case LFUN_NOTE_INSERT:
1368         case LFUN_FLEX_INSERT:
1369         case LFUN_BOX_INSERT:
1370         case LFUN_BRANCH_INSERT:
1371         case LFUN_BIBITEM_INSERT:
1372         case LFUN_ERT_INSERT:
1373         case LFUN_LISTING_INSERT:
1374         case LFUN_MARGINALNOTE_INSERT:
1375         case LFUN_OPTIONAL_INSERT:
1376         case LFUN_ENVIRONMENT_INSERT:
1377         case LFUN_INDEX_INSERT:
1378                 // Open the inset, and move the current selection
1379                 // inside it.
1380                 doInsertInset(cur, this, cmd, true, true);
1381                 cur.posForward();
1382                 // Some insets are numbered, others are shown in the outline pane so
1383                 // let's update the labels and the toc backend.
1384                 updateLabels(bv->buffer());
1385                 break;
1386
1387         case LFUN_TABULAR_INSERT:
1388                 // if there were no arguments, just open the dialog
1389                 if (doInsertInset(cur, this, cmd, false, true))
1390                         cur.posForward();
1391                 else
1392                         bv->showDialog("tabularcreate");
1393
1394                 break;
1395
1396         case LFUN_FLOAT_INSERT:
1397         case LFUN_FLOAT_WIDE_INSERT:
1398         case LFUN_WRAP_INSERT: {
1399                 bool content = cur.selection();  // will some text be moved into the inset?
1400
1401                 doInsertInset(cur, this, cmd, true, true);
1402                 cur.posForward();
1403                 ParagraphList & pars = cur.text()->paragraphs();
1404
1405                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1406
1407                 // add a separate paragraph for the caption inset
1408                 pars.push_back(Paragraph());
1409                 pars.back().setInsetOwner(pars[0].inInset());
1410                 pars.back().setEmptyOrDefaultLayout(tclass);
1411                 int cap_pit = pars.size() - 1;
1412
1413                 // if an empty inset was created, we create an additional empty
1414                 // paragraph at the bottom so that the user can choose where to put
1415                 // the graphics (or table).
1416                 if (!content) {
1417                         pars.push_back(Paragraph());
1418                         pars.back().setInsetOwner(pars[0].inInset());
1419                         pars.back().setEmptyOrDefaultLayout(tclass);
1420                 }
1421
1422                 // reposition the cursor to the caption
1423                 cur.pit() = cap_pit;
1424                 cur.pos() = 0;
1425                 // FIXME: This Text/Cursor dispatch handling is a mess!
1426                 // We cannot use Cursor::dispatch here it needs access to up to
1427                 // date metrics.
1428                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1429                 cur.text()->dispatch(cur, cmd_caption);
1430                 cur.updateFlags(Update::Force);
1431                 // FIXME: When leaving the Float (or Wrap) inset we should
1432                 // delete any empty paragraph left above or below the
1433                 // caption.
1434                 break;
1435         }
1436
1437         case LFUN_NOMENCL_INSERT: {
1438                 FuncRequest cmd1 = cmd;
1439                 if (cmd.argument().empty())
1440                         cmd1 = FuncRequest(cmd,
1441                                 bv->cursor().innerText()->getStringToIndex(bv->cursor()));
1442                 Inset * inset = createInset(cur.bv().buffer(), cmd1);
1443                 if (!inset)
1444                         break;
1445                 cur.recordUndo();
1446                 cur.clearSelection();
1447                 insertInset(cur, inset);
1448                 // Show the dialog for the nomenclature entry, since the
1449                 // description entry still needs to be filled in.
1450                 if (cmd.action == LFUN_NOMENCL_INSERT)
1451                         inset->edit(cur, true);
1452                 cur.posForward();
1453                 break;
1454         }
1455
1456         case LFUN_INDEX_PRINT:
1457         case LFUN_NOMENCL_PRINT:
1458         case LFUN_TOC_INSERT:
1459         case LFUN_LINE_INSERT:
1460         case LFUN_NEWPAGE_INSERT:
1461                 // do nothing fancy
1462                 doInsertInset(cur, this, cmd, false, false);
1463                 cur.posForward();
1464                 break;
1465
1466         case LFUN_DEPTH_DECREMENT:
1467                 changeDepth(cur, DEC_DEPTH);
1468                 break;
1469
1470         case LFUN_DEPTH_INCREMENT:
1471                 changeDepth(cur, INC_DEPTH);
1472                 break;
1473
1474         case LFUN_MATH_DISPLAY:
1475                 mathDispatch(cur, cmd, true);
1476                 break;
1477
1478         case LFUN_MATH_IMPORT_SELECTION:
1479         case LFUN_MATH_MODE:
1480                 if (cmd.argument() == "on")
1481                         // don't pass "on" as argument
1482                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1483                 else
1484                         mathDispatch(cur, cmd, false);
1485                 break;
1486
1487         case LFUN_MATH_MACRO:
1488                 if (cmd.argument().empty())
1489                         cur.errorMessage(from_utf8(N_("Missing argument")));
1490                 else {
1491                         string s = to_utf8(cmd.argument());
1492                         string const s1 = token(s, ' ', 1);
1493                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1494                         string const s2 = token(s, ' ', 2);
1495                         MacroType type = MacroTypeNewcommand;
1496                         if (s2 == "def")
1497                                 type = MacroTypeDef;
1498                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, false, type));
1499                         //cur.nextInset()->edit(cur, true);
1500                 }
1501                 break;
1502
1503         // passthrough hat and underscore outside mathed:
1504         case LFUN_MATH_SUBSCRIPT:
1505                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1506                 break;
1507         case LFUN_MATH_SUPERSCRIPT:
1508                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1509                 break;
1510
1511         case LFUN_MATH_INSERT:
1512         case LFUN_MATH_MATRIX:
1513         case LFUN_MATH_DELIM:
1514         case LFUN_MATH_BIGDELIM: {
1515                 cap::replaceSelection(cur);
1516                 cur.insert(new InsetMathHull(hullSimple));
1517                 checkAndActivateInset(cur, true);
1518                 LASSERT(cur.inMathed(), /**/);
1519                 cur.dispatch(cmd);
1520                 break;
1521         }
1522
1523         case LFUN_FONT_EMPH: {
1524                 Font font(ignore_font, ignore_language);
1525                 font.fontInfo().setEmph(FONT_TOGGLE);
1526                 toggleAndShow(cur, this, font);
1527                 break;
1528         }
1529
1530         case LFUN_FONT_BOLD: {
1531                 Font font(ignore_font, ignore_language);
1532                 font.fontInfo().setSeries(BOLD_SERIES);
1533                 toggleAndShow(cur, this, font);
1534                 break;
1535         }
1536
1537         case LFUN_FONT_NOUN: {
1538                 Font font(ignore_font, ignore_language);
1539                 font.fontInfo().setNoun(FONT_TOGGLE);
1540                 toggleAndShow(cur, this, font);
1541                 break;
1542         }
1543
1544         case LFUN_FONT_TYPEWRITER: {
1545                 Font font(ignore_font, ignore_language);
1546                 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
1547                 toggleAndShow(cur, this, font);
1548                 break;
1549         }
1550
1551         case LFUN_FONT_SANS: {
1552                 Font font(ignore_font, ignore_language);
1553                 font.fontInfo().setFamily(SANS_FAMILY);
1554                 toggleAndShow(cur, this, font);
1555                 break;
1556         }
1557
1558         case LFUN_FONT_ROMAN: {
1559                 Font font(ignore_font, ignore_language);
1560                 font.fontInfo().setFamily(ROMAN_FAMILY);
1561                 toggleAndShow(cur, this, font);
1562                 break;
1563         }
1564
1565         case LFUN_FONT_DEFAULT: {
1566                 Font font(inherit_font, ignore_language);
1567                 toggleAndShow(cur, this, font);
1568                 break;
1569         }
1570
1571         case LFUN_FONT_UNDERLINE: {
1572                 Font font(ignore_font, ignore_language);
1573                 font.fontInfo().setUnderbar(FONT_TOGGLE);
1574                 toggleAndShow(cur, this, font);
1575                 break;
1576         }
1577
1578         case LFUN_FONT_SIZE: {
1579                 Font font(ignore_font, ignore_language);
1580                 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
1581                 toggleAndShow(cur, this, font);
1582                 break;
1583         }
1584
1585         case LFUN_LANGUAGE: {
1586                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1587                 if (!lang)
1588                         break;
1589                 Font font(ignore_font, lang);
1590                 toggleAndShow(cur, this, font);
1591                 break;
1592         }
1593
1594         case LFUN_FONT_FREE_APPLY:
1595                 toggleAndShow(cur, this, freefont, toggleall);
1596                 cur.message(_("Character set"));
1597                 break;
1598
1599         // Set the freefont using the contents of \param data dispatched from
1600         // the frontends and apply it at the current cursor location.
1601         case LFUN_FONT_FREE_UPDATE: {
1602                 Font font;
1603                 bool toggle;
1604                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1605                         freefont = font;
1606                         toggleall = toggle;
1607                         toggleAndShow(cur, this, freefont, toggleall);
1608                         cur.message(_("Character set"));
1609                 } else {
1610                         lyxerr << "Argument not ok";
1611                 }
1612                 break;
1613         }
1614
1615         case LFUN_FINISHED_LEFT:
1616                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
1617                 // We're leaving an inset, going left. If the inset is LTR, we're
1618                 // leaving from the front, so we should not move (remain at --- but
1619                 // not in --- the inset). If the inset is RTL, move left, without
1620                 // entering the inset itself; i.e., move to after the inset.
1621                 if (cur.paragraph().getFontSettings(
1622                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1623                         cursorVisLeft(cur, true);
1624                 break;
1625
1626         case LFUN_FINISHED_RIGHT:
1627                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
1628                 // We're leaving an inset, going right. If the inset is RTL, we're
1629                 // leaving from the front, so we should not move (remain at --- but
1630                 // not in --- the inset). If the inset is LTR, move right, without
1631                 // entering the inset itself; i.e., move to after the inset.
1632                 if (!cur.paragraph().getFontSettings(
1633                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1634                         cursorVisRight(cur, true);
1635                 break;
1636
1637         case LFUN_FINISHED_BACKWARD:
1638                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
1639                 break;
1640
1641         case LFUN_FINISHED_FORWARD:
1642                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
1643                 ++cur.pos();
1644                 cur.setCurrentFont();
1645                 break;
1646
1647         case LFUN_LAYOUT_PARAGRAPH: {
1648                 string data;
1649                 params2string(cur.paragraph(), data);
1650                 data = "show\n" + data;
1651                 bv->showDialog("paragraph", data);
1652                 break;
1653         }
1654
1655         case LFUN_PARAGRAPH_UPDATE: {
1656                 string data;
1657                 params2string(cur.paragraph(), data);
1658
1659                 // Will the paragraph accept changes from the dialog?
1660                 bool const accept =
1661                         cur.inset().allowParagraphCustomization(cur.idx());
1662
1663                 data = "update " + convert<string>(accept) + '\n' + data;
1664                 bv->updateDialog("paragraph", data);
1665                 break;
1666         }
1667
1668         case LFUN_ACCENT_UMLAUT:
1669         case LFUN_ACCENT_CIRCUMFLEX:
1670         case LFUN_ACCENT_GRAVE:
1671         case LFUN_ACCENT_ACUTE:
1672         case LFUN_ACCENT_TILDE:
1673         case LFUN_ACCENT_CEDILLA:
1674         case LFUN_ACCENT_MACRON:
1675         case LFUN_ACCENT_DOT:
1676         case LFUN_ACCENT_UNDERDOT:
1677         case LFUN_ACCENT_UNDERBAR:
1678         case LFUN_ACCENT_CARON:
1679         case LFUN_ACCENT_SPECIAL_CARON:
1680         case LFUN_ACCENT_BREVE:
1681         case LFUN_ACCENT_TIE:
1682         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1683         case LFUN_ACCENT_CIRCLE:
1684         case LFUN_ACCENT_OGONEK:
1685                 theLyXFunc().handleKeyFunc(cmd.action);
1686                 if (!cmd.argument().empty())
1687                         // FIXME: Are all these characters encoded in one byte in utf8?
1688                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1689                 break;
1690
1691         case LFUN_FLOAT_LIST: {
1692                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1693                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1694                         cur.recordUndo();
1695                         if (cur.selection())
1696                                 cutSelection(cur, true, false);
1697                         breakParagraph(cur);
1698
1699                         if (cur.lastpos() != 0) {
1700                                 cursorBackward(cur);
1701                                 breakParagraph(cur);
1702                         }
1703
1704                         docstring const laystr = cur.inset().useEmptyLayout() ?
1705                                 tclass.emptyLayoutName() :
1706                                 tclass.defaultLayoutName();
1707                         setLayout(cur, laystr);
1708                         ParagraphParameters p;
1709                         setParagraphs(cur, p);
1710                         // FIXME This should be simplified when InsetFloatList takes a
1711                         // Buffer in its constructor.
1712                         InsetFloatList * ifl = new InsetFloatList(to_utf8(cmd.argument()));
1713                         ifl->setBuffer(bv->buffer());
1714                         insertInset(cur, ifl);
1715                         cur.posForward();
1716                 } else {
1717                         lyxerr << "Non-existent float type: "
1718                                << to_utf8(cmd.argument()) << endl;
1719                 }
1720                 break;
1721         }
1722
1723         case LFUN_CHANGE_ACCEPT: {
1724                 acceptOrRejectChanges(cur, ACCEPT);
1725                 break;
1726         }
1727
1728         case LFUN_CHANGE_REJECT: {
1729                 acceptOrRejectChanges(cur, REJECT);
1730                 break;
1731         }
1732
1733         case LFUN_THESAURUS_ENTRY: {
1734                 docstring arg = cmd.argument();
1735                 if (arg.empty()) {
1736                         arg = cur.selectionAsString(false);
1737                         // FIXME
1738                         if (arg.size() > 100 || arg.empty()) {
1739                                 // Get word or selection
1740                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1741                                 arg = cur.selectionAsString(false);
1742                         }
1743                 }
1744                 bv->showDialog("thesaurus", to_utf8(arg));
1745                 break;
1746         }
1747
1748         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1749                 // Given data, an encoding of the ParagraphParameters
1750                 // generated in the Paragraph dialog, this function sets
1751                 // the current paragraph, or currently selected paragraphs,
1752                 // appropriately.
1753                 // NOTE: This function overrides all existing settings.
1754                 setParagraphs(cur, cmd.argument());
1755                 cur.message(_("Paragraph layout set"));
1756                 break;
1757         }
1758
1759         case LFUN_PARAGRAPH_PARAMS: {
1760                 // Given data, an encoding of the ParagraphParameters as we'd
1761                 // find them in a LyX file, this function modifies the current paragraph,
1762                 // or currently selected paragraphs.
1763                 // NOTE: This function only modifies, and does not override, existing
1764                 // settings.
1765                 setParagraphs(cur, cmd.argument(), true);
1766                 cur.message(_("Paragraph layout set"));
1767                 break;
1768         }
1769
1770         case LFUN_ESCAPE:
1771                 if (cur.selection()) {
1772                         cur.selection() = false;
1773                 } else {
1774                         cur.undispatched();
1775                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
1776                         // correct, but I'm not 100% sure -- dov, 071019
1777                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1778                 }
1779                 break;
1780
1781         case LFUN_OUTLINE_UP:
1782                 outline(OutlineUp, cur);
1783                 setCursor(cur, cur.pit(), 0);
1784                 updateLabels(cur.buffer());
1785                 needsUpdate = true;
1786                 break;
1787
1788         case LFUN_OUTLINE_DOWN:
1789                 outline(OutlineDown, cur);
1790                 setCursor(cur, cur.pit(), 0);
1791                 updateLabels(cur.buffer());
1792                 needsUpdate = true;
1793                 break;
1794
1795         case LFUN_OUTLINE_IN:
1796                 outline(OutlineIn, cur);
1797                 updateLabels(cur.buffer());
1798                 needsUpdate = true;
1799                 break;
1800
1801         case LFUN_OUTLINE_OUT:
1802                 outline(OutlineOut, cur);
1803                 updateLabels(cur.buffer());
1804                 needsUpdate = true;
1805                 break;
1806
1807         default:
1808                 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
1809                 cur.undispatched();
1810                 break;
1811         }
1812
1813         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1814
1815         // FIXME: The cursor flag is reset two lines below
1816         // so we need to check here if some of the LFUN did touch that.
1817         // for now only Text::erase() and Text::backspace() do that.
1818         // The plan is to verify all the LFUNs and then to remove this
1819         // singleParUpdate boolean altogether.
1820         if (cur.result().update() & Update::Force) {
1821                 singleParUpdate = false;
1822                 needsUpdate = true;
1823         }
1824
1825         // FIXME: the following code should go in favor of fine grained
1826         // update flag treatment.
1827         if (singleParUpdate) {
1828                 // Inserting characters does not change par height in general. So, try
1829                 // to update _only_ this paragraph. BufferView will detect if a full
1830                 // metrics update is needed anyway.
1831                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1832                 return;
1833         }
1834
1835         if (!needsUpdate
1836             && &oldTopSlice.inset() == &cur.inset()
1837             && oldTopSlice.idx() == cur.idx()
1838             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1839             && !cur.selection())
1840                 // FIXME: it would be better if we could just do this
1841                 //
1842                 //if (cur.result().update() != Update::FitCursor)
1843                 //      cur.noUpdate();
1844                 //
1845                 // But some LFUNs do not set Update::FitCursor when needed, so we
1846                 // do it for all. This is not very harmfull as FitCursor will provoke
1847                 // a full redraw only if needed but still, a proper review of all LFUN
1848                 // should be done and this needsUpdate boolean can then be removed.
1849                 cur.updateFlags(Update::FitCursor);
1850         else
1851                 cur.updateFlags(Update::Force | Update::FitCursor);
1852 }
1853
1854
1855 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1856                         FuncStatus & flag) const
1857 {
1858         LASSERT(cur.text() == this, /**/);
1859
1860         Font const & font = cur.real_current_font;
1861         FontInfo const & fontinfo = font.fontInfo();
1862         bool enable = true;
1863         InsetCode code = NO_CODE;
1864
1865         switch (cmd.action) {
1866
1867         case LFUN_DEPTH_DECREMENT:
1868                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1869                 break;
1870
1871         case LFUN_DEPTH_INCREMENT:
1872                 enable = changeDepthAllowed(cur, INC_DEPTH);
1873                 break;
1874
1875         case LFUN_APPENDIX:
1876                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1877                 return true;
1878
1879         case LFUN_BIBITEM_INSERT:
1880                 enable = (cur.paragraph().layout().labeltype == LABEL_BIBLIO
1881                           && cur.pos() == 0);
1882                 break;
1883
1884         case LFUN_DIALOG_SHOW_NEW_INSET:
1885                 if (cmd.argument() == "bibitem")
1886                         code = BIBITEM_CODE;
1887                 else if (cmd.argument() == "bibtex")
1888                         code = BIBTEX_CODE;
1889                 else if (cmd.argument() == "box")
1890                         code = BOX_CODE;
1891                 else if (cmd.argument() == "branch")
1892                         code = BRANCH_CODE;
1893                 else if (cmd.argument() == "citation")
1894                         code = CITE_CODE;
1895                 else if (cmd.argument() == "ert")
1896                         code = ERT_CODE;
1897                 else if (cmd.argument() == "external")
1898                         code = EXTERNAL_CODE;
1899                 else if (cmd.argument() == "float")
1900                         code = FLOAT_CODE;
1901                 else if (cmd.argument() == "graphics")
1902                         code = GRAPHICS_CODE;
1903                 else if (cmd.argument() == "href")
1904                         code = HYPERLINK_CODE;
1905                 else if (cmd.argument() == "include")
1906                         code = INCLUDE_CODE;
1907                 else if (cmd.argument() == "index")
1908                         code = INDEX_CODE;
1909                 else if (cmd.argument() == "nomenclature")
1910                         code = NOMENCL_CODE;
1911                 else if (cmd.argument() == "label")
1912                         code = LABEL_CODE;
1913                 else if (cmd.argument() == "note")
1914                         code = NOTE_CODE;
1915                 else if (cmd.argument() == "ref")
1916                         code = REF_CODE;
1917                 else if (cmd.argument() == "space")
1918                         code = SPACE_CODE;
1919                 else if (cmd.argument() == "toc")
1920                         code = TOC_CODE;
1921                 else if (cmd.argument() == "vspace")
1922                         code = VSPACE_CODE;
1923                 else if (cmd.argument() == "wrap")
1924                         code = WRAP_CODE;
1925                 else if (cmd.argument() == "listings")
1926                         code = LISTINGS_CODE;
1927                 break;
1928
1929         case LFUN_ERT_INSERT:
1930                 code = ERT_CODE;
1931                 break;
1932         case LFUN_LISTING_INSERT:
1933                 code = LISTINGS_CODE;
1934                 break;
1935         case LFUN_FOOTNOTE_INSERT:
1936                 code = FOOT_CODE;
1937                 break;
1938         case LFUN_TABULAR_INSERT:
1939                 code = TABULAR_CODE;
1940                 break;
1941         case LFUN_MARGINALNOTE_INSERT:
1942                 code = MARGIN_CODE;
1943                 break;
1944         case LFUN_FLOAT_INSERT:
1945         case LFUN_FLOAT_WIDE_INSERT:
1946                 code = FLOAT_CODE;
1947                 break;
1948         case LFUN_WRAP_INSERT:
1949                 code = WRAP_CODE;
1950                 break;
1951         case LFUN_FLOAT_LIST:
1952                 code = FLOAT_LIST_CODE;
1953                 break;
1954 #if 0
1955         case LFUN_LIST_INSERT:
1956                 code = LIST_CODE;
1957                 break;
1958 #endif
1959         case LFUN_CAPTION_INSERT:
1960                 code = CAPTION_CODE;
1961                 break;
1962         case LFUN_NOTE_INSERT:
1963                 code = NOTE_CODE;
1964                 // in commands (sections etc., only Notes are allowed)
1965                 enable = (cmd.argument().empty() || cmd.getArg(0) == "Note" ||
1966                           !cur.paragraph().layout().isCommand());
1967                 break;
1968         case LFUN_FLEX_INSERT: {
1969                 code = FLEX_CODE;
1970                 string s = cmd.getArg(0);
1971                 InsetLayout il =
1972                         cur.buffer().params().documentClass().insetLayout(from_utf8(s));
1973                 if (il.lyxtype() != "charstyle" &&
1974                     il.lyxtype() != "custom" &&
1975                     il.lyxtype() != "element" &&
1976                     il.lyxtype ()!= "standard")
1977                         enable = false;
1978                 break;
1979                 }
1980         case LFUN_BOX_INSERT:
1981                 code = BOX_CODE;
1982                 break;
1983         case LFUN_BRANCH_INSERT:
1984                 code = BRANCH_CODE;
1985                 if (cur.buffer().masterBuffer()->params().branchlist().empty())
1986                         enable = false;
1987                 break;
1988         case LFUN_LABEL_INSERT:
1989                 code = LABEL_CODE;
1990                 break;
1991         case LFUN_INFO_INSERT:
1992                 code = INFO_CODE;
1993                 break;
1994         case LFUN_OPTIONAL_INSERT:
1995                 code = OPTARG_CODE;
1996                 enable = cur.paragraph().insetList().count(OPTARG_CODE)
1997                         < cur.paragraph().layout().optionalargs;
1998                 break;
1999         case LFUN_ENVIRONMENT_INSERT:
2000                 code = BOX_CODE;
2001                 break;
2002         case LFUN_INDEX_INSERT:
2003                 code = INDEX_CODE;
2004                 break;
2005         case LFUN_INDEX_PRINT:
2006                 code = INDEX_PRINT_CODE;
2007                 break;
2008         case LFUN_NOMENCL_INSERT:
2009                 code = NOMENCL_CODE;
2010                 break;
2011         case LFUN_NOMENCL_PRINT:
2012                 code = NOMENCL_PRINT_CODE;
2013                 break;
2014         case LFUN_TOC_INSERT:
2015                 code = TOC_CODE;
2016                 break;
2017         case LFUN_HYPERLINK_INSERT:
2018                 code = HYPERLINK_CODE;
2019                 break;
2020         case LFUN_QUOTE_INSERT:
2021                 // always allow this, since we will inset a raw quote
2022                 // if an inset is not allowed.
2023                 break;
2024         case LFUN_SPECIALCHAR_INSERT:
2025                 code = SPECIALCHAR_CODE;
2026                 break;
2027         case LFUN_SPACE_INSERT:
2028                 // slight hack: we know this is allowed in math mode
2029                 if (cur.inTexted())
2030                         code = SPACE_CODE;
2031                 break;
2032
2033         case LFUN_INSET_MODIFY:
2034                 // We need to disable this, because we may get called for a
2035                 // tabular cell via
2036                 // InsetTabular::getStatus() -> InsetText::getStatus()
2037                 // and we don't handle LFUN_INSET_MODIFY.
2038                 enable = false;
2039                 break;
2040
2041         case LFUN_FONT_EMPH:
2042                 flag.setOnOff(fontinfo.emph() == FONT_ON);
2043                 return true;
2044
2045         case LFUN_FONT_NOUN:
2046                 flag.setOnOff(fontinfo.noun() == FONT_ON);
2047                 return true;
2048
2049         case LFUN_FONT_BOLD:
2050                 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
2051                 return true;
2052
2053         case LFUN_FONT_SANS:
2054                 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
2055                 return true;
2056
2057         case LFUN_FONT_ROMAN:
2058                 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
2059                 return true;
2060
2061         case LFUN_FONT_TYPEWRITER:
2062                 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2063                 return true;
2064
2065         case LFUN_CUT:
2066         case LFUN_COPY:
2067                 enable = cur.selection();
2068                 break;
2069
2070         case LFUN_PASTE: {
2071                 if (cmd.argument().empty()) {
2072                         if (theClipboard().isInternal())
2073                                 enable = cap::numberOfSelections() > 0;
2074                         else
2075                                 enable = !theClipboard().empty();
2076                         break;
2077                 }
2078
2079                 // we have an argument
2080                 string const arg = to_utf8(cmd.argument());
2081                 if (isStrUnsignedInt(arg)) {
2082                         // it's a number and therefore means the internal stack
2083                         unsigned int n = convert<unsigned int>(arg);
2084                         enable = cap::numberOfSelections() > n;
2085                         break;
2086                 }
2087
2088                 // explicit graphics type?
2089                 if ((arg == "pdf" && theClipboard().hasGraphicsContents(Clipboard::PdfGraphicsType))
2090                     || (arg == "png" && theClipboard().hasGraphicsContents(Clipboard::PngGraphicsType))
2091                     || (arg == "jpeg" && theClipboard().hasGraphicsContents(Clipboard::JpegGraphicsType))
2092                     || (arg == "linkback" && theClipboard().hasGraphicsContents(Clipboard::LinkBackGraphicsType))) {
2093                         enable = true;
2094                         break;
2095                 }
2096
2097                 // unknown argument
2098                 enable = false;
2099                 break;
2100          }
2101
2102         case LFUN_CLIPBOARD_PASTE:
2103                 enable = !theClipboard().empty();
2104                 break;
2105
2106         case LFUN_PRIMARY_SELECTION_PASTE:
2107                 enable = cur.selection() || !theSelection().empty();
2108                 break;
2109
2110         case LFUN_PARAGRAPH_MOVE_UP:
2111                 enable = cur.pit() > 0 && !cur.selection();
2112                 break;
2113
2114         case LFUN_PARAGRAPH_MOVE_DOWN:
2115                 enable = cur.pit() < cur.lastpit() && !cur.selection();
2116                 break;
2117
2118         case LFUN_INSET_DISSOLVE:
2119                 if (!cmd.argument().empty()) {
2120                         InsetLayout il = cur.inset().getLayout(cur.buffer().params());
2121                         enable = cur.inset().lyxCode() == FLEX_CODE
2122                                  && il.lyxtype() == to_utf8(cmd.argument());
2123                 } else {
2124                         enable = !isMainText(cur.bv().buffer())
2125                                  && cur.inset().nargs() == 1;
2126                 }
2127                 break;
2128
2129         case LFUN_CHANGE_ACCEPT:
2130         case LFUN_CHANGE_REJECT:
2131                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2132                 // In principle, these LFUNs should only be enabled if there
2133                 // is a change at the current position/in the current selection.
2134                 // However, without proper optimizations, this will inevitably
2135                 // result in unacceptable performance - just imagine a user who
2136                 // wants to select the complete content of a long document.
2137                 enable = true;
2138                 break;
2139
2140         case LFUN_OUTLINE_UP:
2141         case LFUN_OUTLINE_DOWN:
2142         case LFUN_OUTLINE_IN:
2143         case LFUN_OUTLINE_OUT:
2144                 enable = (cur.paragraph().layout().toclevel != Layout::NOT_IN_TOC);
2145                 break;
2146
2147         case LFUN_NEWLINE_INSERT:
2148                 // LaTeX restrictions (labels or empty par)
2149                 enable = (cur.pos() > cur.paragraph().beginOfBody());
2150                 break;
2151
2152         case LFUN_WORD_DELETE_FORWARD:
2153         case LFUN_WORD_DELETE_BACKWARD:
2154         case LFUN_LINE_DELETE:
2155         case LFUN_WORD_FORWARD:
2156         case LFUN_WORD_BACKWARD:
2157         case LFUN_WORD_RIGHT:
2158         case LFUN_WORD_LEFT:
2159         case LFUN_CHAR_FORWARD:
2160         case LFUN_CHAR_FORWARD_SELECT:
2161         case LFUN_CHAR_BACKWARD:
2162         case LFUN_CHAR_BACKWARD_SELECT:
2163         case LFUN_CHAR_LEFT:
2164         case LFUN_CHAR_LEFT_SELECT:
2165         case LFUN_CHAR_RIGHT:
2166         case LFUN_CHAR_RIGHT_SELECT:
2167         case LFUN_UP:
2168         case LFUN_UP_SELECT:
2169         case LFUN_DOWN:
2170         case LFUN_DOWN_SELECT:
2171         case LFUN_PARAGRAPH_UP_SELECT:
2172         case LFUN_PARAGRAPH_DOWN_SELECT:
2173         case LFUN_LINE_BEGIN_SELECT:
2174         case LFUN_LINE_END_SELECT:
2175         case LFUN_WORD_FORWARD_SELECT:
2176         case LFUN_WORD_BACKWARD_SELECT:
2177         case LFUN_WORD_RIGHT_SELECT:
2178         case LFUN_WORD_LEFT_SELECT:
2179         case LFUN_WORD_SELECT:
2180         case LFUN_PARAGRAPH_UP:
2181         case LFUN_PARAGRAPH_DOWN:
2182         case LFUN_LINE_BEGIN:
2183         case LFUN_LINE_END:
2184         case LFUN_CHAR_DELETE_FORWARD:
2185         case LFUN_DELETE_FORWARD_SKIP:
2186         case LFUN_CHAR_DELETE_BACKWARD:
2187         case LFUN_DELETE_BACKWARD_SKIP:
2188         case LFUN_BREAK_PARAGRAPH:
2189         case LFUN_BREAK_PARAGRAPH_SKIP:
2190         case LFUN_PARAGRAPH_SPACING:
2191         case LFUN_INSET_INSERT:
2192         case LFUN_WORD_UPCASE:
2193         case LFUN_WORD_LOWCASE:
2194         case LFUN_WORD_CAPITALIZE:
2195         case LFUN_CHARS_TRANSPOSE:
2196         case LFUN_SERVER_GET_XY:
2197         case LFUN_SERVER_SET_XY:
2198         case LFUN_SERVER_GET_LAYOUT:
2199         case LFUN_LAYOUT:
2200         case LFUN_DATE_INSERT:
2201         case LFUN_SELF_INSERT:
2202         case LFUN_LINE_INSERT:
2203         case LFUN_NEWPAGE_INSERT:
2204         case LFUN_MATH_DISPLAY:
2205         case LFUN_MATH_IMPORT_SELECTION:
2206         case LFUN_MATH_MODE:
2207         case LFUN_MATH_MACRO:
2208         case LFUN_MATH_MATRIX:
2209         case LFUN_MATH_DELIM:
2210         case LFUN_MATH_BIGDELIM:
2211         case LFUN_MATH_INSERT:
2212         case LFUN_MATH_SUBSCRIPT:
2213         case LFUN_MATH_SUPERSCRIPT:
2214         case LFUN_FONT_DEFAULT:
2215         case LFUN_FONT_UNDERLINE:
2216         case LFUN_FONT_SIZE:
2217         case LFUN_LANGUAGE:
2218         case LFUN_FONT_FREE_APPLY:
2219         case LFUN_FONT_FREE_UPDATE:
2220         case LFUN_LAYOUT_PARAGRAPH:
2221         case LFUN_PARAGRAPH_UPDATE:
2222         case LFUN_ACCENT_UMLAUT:
2223         case LFUN_ACCENT_CIRCUMFLEX:
2224         case LFUN_ACCENT_GRAVE:
2225         case LFUN_ACCENT_ACUTE:
2226         case LFUN_ACCENT_TILDE:
2227         case LFUN_ACCENT_CEDILLA:
2228         case LFUN_ACCENT_MACRON:
2229         case LFUN_ACCENT_DOT:
2230         case LFUN_ACCENT_UNDERDOT:
2231         case LFUN_ACCENT_UNDERBAR:
2232         case LFUN_ACCENT_CARON:
2233         case LFUN_ACCENT_SPECIAL_CARON:
2234         case LFUN_ACCENT_BREVE:
2235         case LFUN_ACCENT_TIE:
2236         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2237         case LFUN_ACCENT_CIRCLE:
2238         case LFUN_ACCENT_OGONEK:
2239         case LFUN_THESAURUS_ENTRY:
2240         case LFUN_PARAGRAPH_PARAMS_APPLY:
2241         case LFUN_PARAGRAPH_PARAMS:
2242         case LFUN_ESCAPE:
2243         case LFUN_BUFFER_END:
2244         case LFUN_BUFFER_BEGIN:
2245         case LFUN_BUFFER_BEGIN_SELECT:
2246         case LFUN_BUFFER_END_SELECT:
2247         case LFUN_UNICODE_INSERT:
2248                 // these are handled in our dispatch()
2249                 enable = true;
2250                 break;
2251
2252         default:
2253                 return false;
2254         }
2255
2256         if (code != NO_CODE
2257             && (cur.empty() || !cur.inset().insetAllowed(code)))
2258                 enable = false;
2259
2260         flag.enabled(enable);
2261         return true;
2262 }
2263
2264
2265 void Text::pasteString(Cursor & cur, docstring const & clip,
2266                 bool asParagraphs)
2267 {
2268         cur.clearSelection();
2269         if (!clip.empty()) {
2270                 cur.recordUndo();
2271                 if (asParagraphs)
2272                         insertStringAsParagraphs(cur, clip);
2273                 else
2274                         insertStringAsLines(cur, clip);
2275         }
2276 }
2277
2278 } // namespace lyx