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                 Inset & inset = cur.inset();
 877                 if (cmd.getArg(0) == insetName(inset.lyxCode())) {
 878                         // This inset dialog has been explicitely requested.
 879                         inset.showInsetDialog(bv);
 880                         break;
 881                 }
 882                 // else, if there is an inset at the cursor, access this
 883                 Inset * next_inset = cur.nextInset();
 884                 if (next_inset) {
 885                         next_inset->showInsetDialog(bv);
 886                         break;
 887                 }
 888                 // if not then access the underlying inset.
 889                 inset.showInsetDialog(bv);
 890                 break;
 891         }
 892
 893         case LFUN_SPACE_INSERT:
 894                 if (cur.paragraph().layout().free_spacing)
 895                         insertChar(cur, ' ');
 896                 else {
 897                         doInsertInset(cur, this, cmd, false, false);
 898                         cur.posForward();
 899                 }
 900                 moveCursor(cur, false);
 901                 break;
 902
 903         case LFUN_SPECIALCHAR_INSERT: {
 904                 string const name = to_utf8(cmd.argument());
 905                 if (name == "hyphenation")
 906                         specialChar(cur, InsetSpecialChar::HYPHENATION);
 907                 else if (name == "ligature-break")
 908                         specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 909                 else if (name == "slash")
 910                         specialChar(cur, InsetSpecialChar::SLASH);
 911                 else if (name == "nobreakdash")
 912                         specialChar(cur, InsetSpecialChar::NOBREAKDASH);
 913                 else if (name == "dots")
 914                         specialChar(cur, InsetSpecialChar::LDOTS);
 915                 else if (name == "end-of-sentence")
 916                         specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 917                 else if (name == "menu-separator")
 918                         specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 919                 else if (name.empty())
 920                         lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
 921                 else
 922                         lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
 923                 break;
 924         }
 925
 926         case LFUN_WORD_UPCASE:
 927                 changeCase(cur, text_uppercase);
 928                 break;
 929
 930         case LFUN_WORD_LOWCASE:
 931                 changeCase(cur, text_lowercase);
 932                 break;
 933
 934         case LFUN_WORD_CAPITALIZE:
 935                 changeCase(cur, text_capitalization);
 936                 break;
 937
 938         case LFUN_CHARS_TRANSPOSE:
 939                 charsTranspose(cur);
 940                 break;
 941
 942         case LFUN_PASTE: {
 943                 cur.message(_("Paste"));
 944                 cap::replaceSelection(cur);
 945
 946                 // without argument?
 947                 string const arg = to_utf8(cmd.argument());
 948                 if (arg.empty()) {
 949                         if (theClipboard().isInternal())
 950                                 pasteFromStack(cur, bv->buffer().errorList("Paste"), 0);
 951                         else if (theClipboard().hasGraphicsContents())
 952                                 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"));
 953                         else
 954                                 pasteClipboardText(cur, bv->buffer().errorList("Paste"));
 955                 } else if (isStrUnsignedInt(arg)) {
 956                         // we have a numerical argument
 957                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 958                                        convert<unsigned int>(arg));
 959                 } else {
 960                         Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
 961                         if (arg == "pdf")
 962                                 type = Clipboard::PdfGraphicsType;
 963                         else if (arg == "png")
 964                                 type = Clipboard::PngGraphicsType;
 965                         else if (arg == "jpeg")
 966                                 type = Clipboard::JpegGraphicsType;
 967                         else if (arg == "linkback")
 968                                 type = Clipboard::LinkBackGraphicsType;
 969                         else
 970                                 LASSERT(false, /**/);
 971
 972                         pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
 973                 }
 974
 975                 bv->buffer().errors("Paste");
 976                 cur.clearSelection(); // bug 393
 977                 cur.finishUndo();
 978                 break;
 979         }
 980
 981         case LFUN_CUT:
 982                 cutSelection(cur, true, true);
 983                 cur.message(_("Cut"));
 984                 break;
 985
 986         case LFUN_COPY:
 987                 copySelection(cur);
 988                 cur.message(_("Copy"));
 989                 break;
 990
 991         case LFUN_SERVER_GET_XY:
 992                 cur.message(from_utf8(
 993                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 994                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 995                 break;
 996
 997         case LFUN_SERVER_SET_XY: {
 998                 int x = 0;
 999                 int y = 0;
1000                 istringstream is(to_utf8(cmd.argument()));
1001                 is >> x >> y;
1002                 if (!is)
1003                         lyxerr << "SETXY: Could not parse coordinates in '"
1004                                << to_utf8(cmd.argument()) << endl;
1005                 else
1006                         tm.setCursorFromCoordinates(cur, x, y);
1007                 break;
1008         }
1009
1010         case LFUN_SERVER_GET_LAYOUT:
1011                 cur.message(cur.paragraph().layout().name());
1012                 break;
1013
1014         case LFUN_LAYOUT: {
1015                 docstring layout = cmd.argument();
1016                 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
1017
1018                 Paragraph const & para = cur.paragraph();
1019                 docstring const old_layout = para.layout().name();
1020                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1021
1022                 if (layout.empty())
1023                         layout = tclass.defaultLayoutName();
1024
1025                 if (para.forceEmptyLayout())
1026                         // in this case only the empty layout is allowed
1027                         layout = tclass.emptyLayoutName();
1028                 else if (para.useEmptyLayout()) {
1029                         // in this case, default layout maps to empty layout
1030                         if (layout == tclass.defaultLayoutName())
1031                                 layout = tclass.emptyLayoutName();
1032                 } else {
1033                         // otherwise, the empty layout maps to the default
1034                         if (layout == tclass.emptyLayoutName())
1035                                 layout = tclass.defaultLayoutName();
1036                 }
1037
1038                 bool hasLayout = tclass.hasLayout(layout);
1039
1040                 // If the entry is obsolete, use the new one instead.
1041                 if (hasLayout) {
1042                         docstring const & obs = tclass[layout].obsoleted_by();
1043                         if (!obs.empty())
1044                                 layout = obs;
1045                 }
1046
1047                 if (!hasLayout) {
1048                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
1049                                 from_utf8(N_(" not known")));
1050                         break;
1051                 }
1052
1053                 bool change_layout = (old_layout != layout);
1054
1055                 if (!change_layout && cur.selection() &&
1056                         cur.selBegin().pit() != cur.selEnd().pit())
1057                 {
1058                         pit_type spit = cur.selBegin().pit();
1059                         pit_type epit = cur.selEnd().pit() + 1;
1060                         while (spit != epit) {
1061                                 if (pars_[spit].layout().name() != old_layout) {
1062                                         change_layout = true;
1063                                         break;
1064                                 }
1065                                 ++spit;
1066                         }
1067                 }
1068
1069                 if (change_layout)
1070                         setLayout(cur, layout);
1071
1072                 break;
1073         }
1074
1075         case LFUN_CLIPBOARD_PASTE:
1076                 cur.clearSelection();
1077                 pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1078                                cmd.argument() == "paragraph");
1079                 bv->buffer().errors("Paste");
1080                 break;
1081
1082         case LFUN_PRIMARY_SELECTION_PASTE:
1083                 pasteString(cur, theSelection().get(),
1084                             cmd.argument() == "paragraph");
1085                 break;
1086
1087         case LFUN_UNICODE_INSERT: {
1088                 if (cmd.argument().empty())
1089                         break;
1090                 docstring hexstring = cmd.argument();
1091                 if (isHex(hexstring)) {
1092                         char_type c = hexToInt(hexstring);
1093                         if (c >= 32 && c < 0x10ffff) {
1094                                 lyxerr << "Inserting c: " << c << endl;
1095                                 docstring s = docstring(1, c);
1096                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1097                         }
1098                 }
1099                 break;
1100         }
1101
1102         case LFUN_QUOTE_INSERT: {
1103                 Paragraph & par = cur.paragraph();
1104                 pos_type pos = cur.pos();
1105                 BufferParams const & bufparams = bv->buffer().params();
1106                 Layout const & style = par.layout();
1107                 if (!style.pass_thru
1108                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1109                         // this avoids a double undo
1110                         // FIXME: should not be needed, ideally
1111                         if (!cur.selection())
1112                                 cur.recordUndo();
1113                         cap::replaceSelection(cur);
1114                         pos = cur.pos();
1115                         char_type c;
1116                         if (pos == 0)
1117                                 c = ' ';
1118                         else if (cur.prevInset() && cur.prevInset()->isSpace())
1119                                 c = ' ';
1120                         else
1121                                 c = par.getChar(pos - 1);
1122                         string arg = to_utf8(cmd.argument());
1123                         cur.insert(new InsetQuotes(c, bufparams.quotes_language,
1124                                 (arg == "single") ? InsetQuotes::SingleQuotes
1125                                         : InsetQuotes::DoubleQuotes));
1126                         cur.posForward();
1127                 }
1128                 else
1129                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1130                 break;
1131         }
1132
1133         case LFUN_DATE_INSERT: {
1134                 string const format = cmd.argument().empty()
1135                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1136                 string const time = formatted_time(current_time(), format);
1137                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1138                 break;
1139         }
1140
1141         case LFUN_MOUSE_TRIPLE:
1142                 if (cmd.button() == mouse_button::button1) {
1143                         tm.cursorHome(cur);
1144                         cur.resetAnchor();
1145                         tm.cursorEnd(cur);
1146                         cur.setSelection();
1147                         bv->cursor() = cur;
1148                 }
1149                 break;
1150
1151         case LFUN_MOUSE_DOUBLE:
1152                 if (cmd.button() == mouse_button::button1) {
1153                         selectWord(cur, WHOLE_WORD_STRICT);
1154                         bv->cursor() = cur;
1155                 }
1156                 break;
1157
1158         // Single-click on work area
1159         case LFUN_MOUSE_PRESS:
1160                 // We are not marking a selection with the keyboard in any case.
1161                 cur.bv().cursor().mark() = false;
1162                 switch (cmd.button()) {
1163                 case mouse_button::button1:
1164                         // Set the cursor
1165                         if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
1166                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1167                         break;
1168
1169                 case mouse_button::button2:
1170                         // Middle mouse pasting.
1171                         if (!cap::selection()) {
1172                                 // There is no local selection in the current buffer, so try to
1173                                 // paste primary selection instead.
1174                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE,
1175                                         "paragraph"));
1176                                 // Nothing else to do.
1177                                 cur.noUpdate();
1178                                 return;
1179                         }
1180                         // Copy the selection buffer to the clipboard stack, because we want it
1181                         // to appear in the "Edit->Paste recent" menu.
1182                         cap::copySelectionToStack();
1183                         cap::pasteSelection(bv->cursor(), bv->buffer().errorList("Paste"));
1184                         cur.updateFlags(Update::Force | Update::FitCursor);
1185                         bv->buffer().errors("Paste");
1186                         bv->buffer().markDirty();
1187                         bv->cursor().finishUndo();
1188                         break;
1189
1190                 case mouse_button::button3:
1191                         if (cur.selection()) {
1192                                 DocIterator const selbeg = cur.selectionBegin();
1193                                 DocIterator const selend = cur.selectionEnd();
1194                                 Cursor tmpcur = cur;
1195                                 tm.setCursorFromCoordinates(tmpcur, cmd.x, cmd.y);
1196                                 // Don't do anything if we right-click a selection, a selection
1197                                 // context menu should popup instead.
1198                                 if (tmpcur < selbeg || tmpcur >= selend) {
1199                                         cur.noUpdate();
1200                                         return;
1201                                 }
1202                         }
1203                         if (!bv->mouseSetCursor(cur, false)) {
1204                                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1205                                 break;
1206                         }
1207                 default:
1208                         break;
1209                 } // switch (cmd.button())
1210                 break;
1211
1212         case LFUN_MOUSE_MOTION: {
1213                 // Mouse motion with right or middle mouse do nothing for now.
1214                 if (cmd.button() != mouse_button::button1) {
1215                         cur.noUpdate();
1216                         return;
1217                 }
1218                 // ignore motions deeper nested than the real anchor
1219                 Cursor & bvcur = cur.bv().cursor();
1220                 if (!bvcur.anchor_.hasPart(cur)) {
1221                         cur.undispatched();
1222                         break;
1223                 }
1224                 CursorSlice old = bvcur.top();
1225
1226                 int const wh = bv->workHeight();
1227                 int const y = max(0, min(wh - 1, cmd.y));
1228
1229                 tm.setCursorFromCoordinates(cur, cmd.x, y);
1230                 cur.setTargetX(cmd.x);
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                 // This is to allow jumping over large insets
1236                 if (cur.top() == old) {
1237                         if (cmd.y >= wh)
1238                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1239                         else if (cmd.y < 0)
1240                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1241                 }
1242                 // We continue with our existing selection or start a new one, so don't
1243                 // reset the anchor.
1244                 bvcur.setCursor(cur);
1245                 bvcur.selection() = true;
1246                 if (cur.top() == old) {
1247                         // We didn't move one iota, so no need to update the screen.
1248                         cur.updateFlags(Update::SinglePar | Update::FitCursor);
1249                         //cur.noUpdate();
1250                         return;
1251                 }
1252                 break;
1253         }
1254
1255         case LFUN_MOUSE_RELEASE:
1256                 switch (cmd.button()) {
1257                 case mouse_button::button1:
1258                         // Cursor was set at LFUN_MOUSE_PRESS or LFUN_MOUSE_MOTION time.
1259                         // If there is a new selection, update persistent selection;
1260                         // otherwise, single click does not clear persistent selection
1261                         // buffer.
1262                         if (cur.selection()) {
1263                                 // Finish selection.
1264                                 // If double click, cur is moved to the end of word by selectWord
1265                                 // but bvcur is current mouse position.
1266                                 cur.bv().cursor().selection() = true;
1267                         }
1268                         // FIXME: We could try to handle drag and drop of selection here.
1269                         cur.noUpdate();
1270                         return;
1271
1272                 case mouse_button::button2:
1273                         // Middle mouse pasting is handled at mouse press time,
1274                         // see LFUN_MOUSE_PRESS.
1275                         cur.noUpdate();
1276                         return;
1277
1278                 case mouse_button::button3:
1279                         // Cursor was set at LFUN_MOUSE_PRESS time.
1280                         // FIXME: If there is a selection we could try to handle a special
1281                         // drag & drop context menu.
1282                         cur.noUpdate();
1283                         return;
1284
1285                 } // switch (cmd.button())
1286
1287                 break;
1288
1289         case LFUN_SELF_INSERT: {
1290                 if (cmd.argument().empty())
1291                         break;
1292
1293                 // Automatically delete the currently selected
1294                 // text and replace it with what is being
1295                 // typed in now. Depends on lyxrc settings
1296                 // "auto_region_delete", which defaults to
1297                 // true (on).
1298
1299                 if (lyxrc.auto_region_delete && cur.selection())
1300                         cutSelection(cur, false, false);
1301
1302                 cur.clearSelection();
1303                 Font const old_font = cur.real_current_font;
1304
1305                 docstring::const_iterator cit = cmd.argument().begin();
1306                 docstring::const_iterator end = cmd.argument().end();
1307                 for (; cit != end; ++cit)
1308                         bv->translateAndInsert(*cit, this, cur);
1309
1310                 cur.resetAnchor();
1311                 moveCursor(cur, false);
1312                 break;
1313         }
1314
1315         case LFUN_HYPERLINK_INSERT: {
1316                 InsetCommandParams p(HYPERLINK_CODE);
1317                 docstring content;
1318                 if (cur.selection()) {
1319                         content = cur.selectionAsString(false);
1320                         cutSelection(cur, true, false);
1321                 }
1322                 p["target"] = (cmd.argument().empty()) ?
1323                         content : cmd.argument();
1324                 string const data = InsetCommand::params2string("href", p);
1325                 if (p["target"].empty()) {
1326                         bv->showDialog("href", data);
1327                 } else {
1328                         FuncRequest fr(LFUN_INSET_INSERT, data);
1329                         dispatch(cur, fr);
1330                 }
1331                 break;
1332         }
1333
1334         case LFUN_LABEL_INSERT: {
1335                 InsetCommandParams p(LABEL_CODE);
1336                 // Try to generate a valid label
1337                 p["name"] = (cmd.argument().empty()) ?
1338                         cur.getPossibleLabel() :
1339                         cmd.argument();
1340                 string const data = InsetCommand::params2string("label", p);
1341
1342                 if (cmd.argument().empty()) {
1343                         bv->showDialog("label", data);
1344                 } else {
1345                         FuncRequest fr(LFUN_INSET_INSERT, data);
1346                         dispatch(cur, fr);
1347                 }
1348                 break;
1349         }
1350
1351         case LFUN_INFO_INSERT: {
1352                 Inset * inset = createInset(cur.bv().buffer(), cmd);
1353                 if (!inset)
1354                         break;
1355                 // if an empty inset is created (cmd.argument() is empty)
1356                 // use current selection as parameter.
1357                 if (cmd.argument().empty() && cur.selection()) {
1358                         // use selected text as info to avoid a separate UI
1359                         docstring ds = cur.selectionAsString(false);
1360                         cutSelection(cur, true, false);
1361                         static_cast<InsetInfo *>(inset)->setInfo(to_utf8(ds));
1362                         static_cast<InsetInfo *>(inset)->updateInfo();
1363                 }
1364                 insertInset(cur, inset);
1365                 cur.posForward();
1366                 break;
1367         }
1368 #if 0
1369         case LFUN_LIST_INSERT:
1370 #endif
1371         case LFUN_CAPTION_INSERT:
1372         case LFUN_FOOTNOTE_INSERT:
1373         case LFUN_NOTE_INSERT:
1374         case LFUN_FLEX_INSERT:
1375         case LFUN_BOX_INSERT:
1376         case LFUN_BRANCH_INSERT:
1377         case LFUN_BIBITEM_INSERT:
1378         case LFUN_ERT_INSERT:
1379         case LFUN_LISTING_INSERT:
1380         case LFUN_MARGINALNOTE_INSERT:
1381         case LFUN_OPTIONAL_INSERT:
1382         case LFUN_ENVIRONMENT_INSERT:
1383         case LFUN_INDEX_INSERT:
1384                 // Open the inset, and move the current selection
1385                 // inside it.
1386                 doInsertInset(cur, this, cmd, true, true);
1387                 cur.posForward();
1388                 // Some insets are numbered, others are shown in the outline pane so
1389                 // let's update the labels and the toc backend.
1390                 updateLabels(bv->buffer());
1391                 break;
1392
1393         case LFUN_TABULAR_INSERT:
1394                 // if there were no arguments, just open the dialog
1395                 if (doInsertInset(cur, this, cmd, false, true))
1396                         cur.posForward();
1397                 else
1398                         bv->showDialog("tabularcreate");
1399
1400                 break;
1401
1402         case LFUN_FLOAT_INSERT:
1403         case LFUN_FLOAT_WIDE_INSERT:
1404         case LFUN_WRAP_INSERT: {
1405                 bool content = cur.selection();  // will some text be moved into the inset?
1406
1407                 doInsertInset(cur, this, cmd, true, true);
1408                 cur.posForward();
1409                 ParagraphList & pars = cur.text()->paragraphs();
1410
1411                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1412
1413                 // add a separate paragraph for the caption inset
1414                 pars.push_back(Paragraph());
1415                 pars.back().setInsetOwner(pars[0].inInset());
1416                 pars.back().setEmptyOrDefaultLayout(tclass);
1417                 int cap_pit = pars.size() - 1;
1418
1419                 // if an empty inset was created, we create an additional empty
1420                 // paragraph at the bottom so that the user can choose where to put
1421                 // the graphics (or table).
1422                 if (!content) {
1423                         pars.push_back(Paragraph());
1424                         pars.back().setInsetOwner(pars[0].inInset());
1425                         pars.back().setEmptyOrDefaultLayout(tclass);
1426                 }
1427
1428                 // reposition the cursor to the caption
1429                 cur.pit() = cap_pit;
1430                 cur.pos() = 0;
1431                 // FIXME: This Text/Cursor dispatch handling is a mess!
1432                 // We cannot use Cursor::dispatch here it needs access to up to
1433                 // date metrics.
1434                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1435                 cur.text()->dispatch(cur, cmd_caption);
1436                 cur.updateFlags(Update::Force);
1437                 // FIXME: When leaving the Float (or Wrap) inset we should
1438                 // delete any empty paragraph left above or below the
1439                 // caption.
1440                 break;
1441         }
1442
1443         case LFUN_NOMENCL_INSERT: {
1444                 FuncRequest cmd1 = cmd;
1445                 if (cmd.argument().empty())
1446                         cmd1 = FuncRequest(cmd,
1447                                 bv->cursor().innerText()->getStringToIndex(bv->cursor()));
1448                 Inset * inset = createInset(cur.bv().buffer(), cmd1);
1449                 if (!inset)
1450                         break;
1451                 cur.recordUndo();
1452                 cur.clearSelection();
1453                 insertInset(cur, inset);
1454                 // Show the dialog for the nomenclature entry, since the
1455                 // description entry still needs to be filled in.
1456                 if (cmd.action == LFUN_NOMENCL_INSERT)
1457                         inset->edit(cur, true);
1458                 cur.posForward();
1459                 break;
1460         }
1461
1462         case LFUN_INDEX_PRINT:
1463         case LFUN_NOMENCL_PRINT:
1464         case LFUN_TOC_INSERT:
1465         case LFUN_LINE_INSERT:
1466         case LFUN_NEWPAGE_INSERT:
1467                 // do nothing fancy
1468                 doInsertInset(cur, this, cmd, false, false);
1469                 cur.posForward();
1470                 break;
1471
1472         case LFUN_DEPTH_DECREMENT:
1473                 changeDepth(cur, DEC_DEPTH);
1474                 break;
1475
1476         case LFUN_DEPTH_INCREMENT:
1477                 changeDepth(cur, INC_DEPTH);
1478                 break;
1479
1480         case LFUN_MATH_DISPLAY:
1481                 mathDispatch(cur, cmd, true);
1482                 break;
1483
1484         case LFUN_MATH_IMPORT_SELECTION:
1485         case LFUN_MATH_MODE:
1486                 if (cmd.argument() == "on")
1487                         // don't pass "on" as argument
1488                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1489                 else
1490                         mathDispatch(cur, cmd, false);
1491                 break;
1492
1493         case LFUN_MATH_MACRO:
1494                 if (cmd.argument().empty())
1495                         cur.errorMessage(from_utf8(N_("Missing argument")));
1496                 else {
1497                         string s = to_utf8(cmd.argument());
1498                         string const s1 = token(s, ' ', 1);
1499                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1500                         string const s2 = token(s, ' ', 2);
1501                         MacroType type = MacroTypeNewcommand;
1502                         if (s2 == "def")
1503                                 type = MacroTypeDef;
1504                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, false, type));
1505                         //cur.nextInset()->edit(cur, true);
1506                 }
1507                 break;
1508
1509         // passthrough hat and underscore outside mathed:
1510         case LFUN_MATH_SUBSCRIPT:
1511                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1512                 break;
1513         case LFUN_MATH_SUPERSCRIPT:
1514                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1515                 break;
1516
1517         case LFUN_MATH_INSERT:
1518         case LFUN_MATH_MATRIX:
1519         case LFUN_MATH_DELIM:
1520         case LFUN_MATH_BIGDELIM: {
1521                 cap::replaceSelection(cur);
1522                 cur.insert(new InsetMathHull(hullSimple));
1523                 checkAndActivateInset(cur, true);
1524                 LASSERT(cur.inMathed(), /**/);
1525                 cur.dispatch(cmd);
1526                 break;
1527         }
1528
1529         case LFUN_FONT_EMPH: {
1530                 Font font(ignore_font, ignore_language);
1531                 font.fontInfo().setEmph(FONT_TOGGLE);
1532                 toggleAndShow(cur, this, font);
1533                 break;
1534         }
1535
1536         case LFUN_FONT_BOLD: {
1537                 Font font(ignore_font, ignore_language);
1538                 font.fontInfo().setSeries(BOLD_SERIES);
1539                 toggleAndShow(cur, this, font);
1540                 break;
1541         }
1542
1543         case LFUN_FONT_NOUN: {
1544                 Font font(ignore_font, ignore_language);
1545                 font.fontInfo().setNoun(FONT_TOGGLE);
1546                 toggleAndShow(cur, this, font);
1547                 break;
1548         }
1549
1550         case LFUN_FONT_TYPEWRITER: {
1551                 Font font(ignore_font, ignore_language);
1552                 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
1553                 toggleAndShow(cur, this, font);
1554                 break;
1555         }
1556
1557         case LFUN_FONT_SANS: {
1558                 Font font(ignore_font, ignore_language);
1559                 font.fontInfo().setFamily(SANS_FAMILY);
1560                 toggleAndShow(cur, this, font);
1561                 break;
1562         }
1563
1564         case LFUN_FONT_ROMAN: {
1565                 Font font(ignore_font, ignore_language);
1566                 font.fontInfo().setFamily(ROMAN_FAMILY);
1567                 toggleAndShow(cur, this, font);
1568                 break;
1569         }
1570
1571         case LFUN_FONT_DEFAULT: {
1572                 Font font(inherit_font, ignore_language);
1573                 toggleAndShow(cur, this, font);
1574                 break;
1575         }
1576
1577         case LFUN_FONT_UNDERLINE: {
1578                 Font font(ignore_font, ignore_language);
1579                 font.fontInfo().setUnderbar(FONT_TOGGLE);
1580                 toggleAndShow(cur, this, font);
1581                 break;
1582         }
1583
1584         case LFUN_FONT_SIZE: {
1585                 Font font(ignore_font, ignore_language);
1586                 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
1587                 toggleAndShow(cur, this, font);
1588                 break;
1589         }
1590
1591         case LFUN_LANGUAGE: {
1592                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1593                 if (!lang)
1594                         break;
1595                 Font font(ignore_font, lang);
1596                 toggleAndShow(cur, this, font);
1597                 break;
1598         }
1599
1600         case LFUN_FONT_FREE_APPLY:
1601                 toggleAndShow(cur, this, freefont, toggleall);
1602                 cur.message(_("Character set"));
1603                 break;
1604
1605         // Set the freefont using the contents of \param data dispatched from
1606         // the frontends and apply it at the current cursor location.
1607         case LFUN_FONT_FREE_UPDATE: {
1608                 Font font;
1609                 bool toggle;
1610                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1611                         freefont = font;
1612                         toggleall = toggle;
1613                         toggleAndShow(cur, this, freefont, toggleall);
1614                         cur.message(_("Character set"));
1615                 } else {
1616                         lyxerr << "Argument not ok";
1617                 }
1618                 break;
1619         }
1620
1621         case LFUN_FINISHED_LEFT:
1622                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
1623                 // We're leaving an inset, going left. If the inset is LTR, we're
1624                 // leaving from the front, so we should not move (remain at --- but
1625                 // not in --- the inset). If the inset is RTL, move left, without
1626                 // entering the inset itself; i.e., move to after the inset.
1627                 if (cur.paragraph().getFontSettings(
1628                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1629                         cursorVisLeft(cur, true);
1630                 break;
1631
1632         case LFUN_FINISHED_RIGHT:
1633                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
1634                 // We're leaving an inset, going right. If the inset is RTL, we're
1635                 // leaving from the front, so we should not move (remain at --- but
1636                 // not in --- the inset). If the inset is LTR, move right, without
1637                 // entering the inset itself; i.e., move to after the inset.
1638                 if (!cur.paragraph().getFontSettings(
1639                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1640                         cursorVisRight(cur, true);
1641                 break;
1642
1643         case LFUN_FINISHED_BACKWARD:
1644                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
1645                 break;
1646
1647         case LFUN_FINISHED_FORWARD:
1648                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
1649                 ++cur.pos();
1650                 cur.setCurrentFont();
1651                 break;
1652
1653         case LFUN_LAYOUT_PARAGRAPH: {
1654                 string data;
1655                 params2string(cur.paragraph(), data);
1656                 data = "show\n" + data;
1657                 bv->showDialog("paragraph", data);
1658                 break;
1659         }
1660
1661         case LFUN_PARAGRAPH_UPDATE: {
1662                 string data;
1663                 params2string(cur.paragraph(), data);
1664
1665                 // Will the paragraph accept changes from the dialog?
1666                 bool const accept =
1667                         cur.inset().allowParagraphCustomization(cur.idx());
1668
1669                 data = "update " + convert<string>(accept) + '\n' + data;
1670                 bv->updateDialog("paragraph", data);
1671                 break;
1672         }
1673
1674         case LFUN_ACCENT_UMLAUT:
1675         case LFUN_ACCENT_CIRCUMFLEX:
1676         case LFUN_ACCENT_GRAVE:
1677         case LFUN_ACCENT_ACUTE:
1678         case LFUN_ACCENT_TILDE:
1679         case LFUN_ACCENT_CEDILLA:
1680         case LFUN_ACCENT_MACRON:
1681         case LFUN_ACCENT_DOT:
1682         case LFUN_ACCENT_UNDERDOT:
1683         case LFUN_ACCENT_UNDERBAR:
1684         case LFUN_ACCENT_CARON:
1685         case LFUN_ACCENT_SPECIAL_CARON:
1686         case LFUN_ACCENT_BREVE:
1687         case LFUN_ACCENT_TIE:
1688         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1689         case LFUN_ACCENT_CIRCLE:
1690         case LFUN_ACCENT_OGONEK:
1691                 theLyXFunc().handleKeyFunc(cmd.action);
1692                 if (!cmd.argument().empty())
1693                         // FIXME: Are all these characters encoded in one byte in utf8?
1694                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1695                 break;
1696
1697         case LFUN_FLOAT_LIST: {
1698                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1699                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1700                         cur.recordUndo();
1701                         if (cur.selection())
1702                                 cutSelection(cur, true, false);
1703                         breakParagraph(cur);
1704
1705                         if (cur.lastpos() != 0) {
1706                                 cursorBackward(cur);
1707                                 breakParagraph(cur);
1708                         }
1709
1710                         docstring const laystr = cur.inset().useEmptyLayout() ?
1711                                 tclass.emptyLayoutName() :
1712                                 tclass.defaultLayoutName();
1713                         setLayout(cur, laystr);
1714                         ParagraphParameters p;
1715                         setParagraphs(cur, p);
1716                         // FIXME This should be simplified when InsetFloatList takes a
1717                         // Buffer in its constructor.
1718                         InsetFloatList * ifl = new InsetFloatList(to_utf8(cmd.argument()));
1719                         ifl->setBuffer(bv->buffer());
1720                         insertInset(cur, ifl);
1721                         cur.posForward();
1722                 } else {
1723                         lyxerr << "Non-existent float type: "
1724                                << to_utf8(cmd.argument()) << endl;
1725                 }
1726                 break;
1727         }
1728
1729         case LFUN_CHANGE_ACCEPT: {
1730                 acceptOrRejectChanges(cur, ACCEPT);
1731                 break;
1732         }
1733
1734         case LFUN_CHANGE_REJECT: {
1735                 acceptOrRejectChanges(cur, REJECT);
1736                 break;
1737         }
1738
1739         case LFUN_THESAURUS_ENTRY: {
1740                 docstring arg = cmd.argument();
1741                 if (arg.empty()) {
1742                         arg = cur.selectionAsString(false);
1743                         // FIXME
1744                         if (arg.size() > 100 || arg.empty()) {
1745                                 // Get word or selection
1746                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1747                                 arg = cur.selectionAsString(false);
1748                         }
1749                 }
1750                 bv->showDialog("thesaurus", to_utf8(arg));
1751                 break;
1752         }
1753
1754         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1755                 // Given data, an encoding of the ParagraphParameters
1756                 // generated in the Paragraph dialog, this function sets
1757                 // the current paragraph, or currently selected paragraphs,
1758                 // appropriately.
1759                 // NOTE: This function overrides all existing settings.
1760                 setParagraphs(cur, cmd.argument());
1761                 cur.message(_("Paragraph layout set"));
1762                 break;
1763         }
1764
1765         case LFUN_PARAGRAPH_PARAMS: {
1766                 // Given data, an encoding of the ParagraphParameters as we'd
1767                 // find them in a LyX file, this function modifies the current paragraph,
1768                 // or currently selected paragraphs.
1769                 // NOTE: This function only modifies, and does not override, existing
1770                 // settings.
1771                 setParagraphs(cur, cmd.argument(), true);
1772                 cur.message(_("Paragraph layout set"));
1773                 break;
1774         }
1775
1776         case LFUN_ESCAPE:
1777                 if (cur.selection()) {
1778                         cur.selection() = false;
1779                 } else {
1780                         cur.undispatched();
1781                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
1782                         // correct, but I'm not 100% sure -- dov, 071019
1783                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1784                 }
1785                 break;
1786
1787         case LFUN_OUTLINE_UP:
1788                 outline(OutlineUp, cur);
1789                 setCursor(cur, cur.pit(), 0);
1790                 updateLabels(cur.buffer());
1791                 needsUpdate = true;
1792                 break;
1793
1794         case LFUN_OUTLINE_DOWN:
1795                 outline(OutlineDown, cur);
1796                 setCursor(cur, cur.pit(), 0);
1797                 updateLabels(cur.buffer());
1798                 needsUpdate = true;
1799                 break;
1800
1801         case LFUN_OUTLINE_IN:
1802                 outline(OutlineIn, cur);
1803                 updateLabels(cur.buffer());
1804                 needsUpdate = true;
1805                 break;
1806
1807         case LFUN_OUTLINE_OUT:
1808                 outline(OutlineOut, cur);
1809                 updateLabels(cur.buffer());
1810                 needsUpdate = true;
1811                 break;
1812
1813         default:
1814                 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
1815                 cur.undispatched();
1816                 break;
1817         }
1818
1819         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1820
1821         // FIXME: The cursor flag is reset two lines below
1822         // so we need to check here if some of the LFUN did touch that.
1823         // for now only Text::erase() and Text::backspace() do that.
1824         // The plan is to verify all the LFUNs and then to remove this
1825         // singleParUpdate boolean altogether.
1826         if (cur.result().update() & Update::Force) {
1827                 singleParUpdate = false;
1828                 needsUpdate = true;
1829         }
1830
1831         // FIXME: the following code should go in favor of fine grained
1832         // update flag treatment.
1833         if (singleParUpdate) {
1834                 // Inserting characters does not change par height in general. So, try
1835                 // to update _only_ this paragraph. BufferView will detect if a full
1836                 // metrics update is needed anyway.
1837                 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1838                 return;
1839         }
1840
1841         if (!needsUpdate
1842             && &oldTopSlice.inset() == &cur.inset()
1843             && oldTopSlice.idx() == cur.idx()
1844             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1845             && !cur.selection())
1846                 // FIXME: it would be better if we could just do this
1847                 //
1848                 //if (cur.result().update() != Update::FitCursor)
1849                 //      cur.noUpdate();
1850                 //
1851                 // But some LFUNs do not set Update::FitCursor when needed, so we
1852                 // do it for all. This is not very harmfull as FitCursor will provoke
1853                 // a full redraw only if needed but still, a proper review of all LFUN
1854                 // should be done and this needsUpdate boolean can then be removed.
1855                 cur.updateFlags(Update::FitCursor);
1856         else
1857                 cur.updateFlags(Update::Force | Update::FitCursor);
1858 }
1859
1860
1861 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1862                         FuncStatus & flag) const
1863 {
1864         LASSERT(cur.text() == this, /**/);
1865
1866         Font const & font = cur.real_current_font;
1867         FontInfo const & fontinfo = font.fontInfo();
1868         bool enable = true;
1869         InsetCode code = NO_CODE;
1870
1871         switch (cmd.action) {
1872
1873         case LFUN_DEPTH_DECREMENT:
1874                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1875                 break;
1876
1877         case LFUN_DEPTH_INCREMENT:
1878                 enable = changeDepthAllowed(cur, INC_DEPTH);
1879                 break;
1880
1881         case LFUN_APPENDIX:
1882                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1883                 return true;
1884
1885         case LFUN_BIBITEM_INSERT:
1886                 enable = (cur.paragraph().layout().labeltype == LABEL_BIBLIO
1887                           && cur.pos() == 0);
1888                 break;
1889
1890         case LFUN_DIALOG_SHOW_NEW_INSET:
1891                 if (cmd.argument() == "bibitem")
1892                         code = BIBITEM_CODE;
1893                 else if (cmd.argument() == "bibtex")
1894                         code = BIBTEX_CODE;
1895                 else if (cmd.argument() == "box")
1896                         code = BOX_CODE;
1897                 else if (cmd.argument() == "branch")
1898                         code = BRANCH_CODE;
1899                 else if (cmd.argument() == "citation")
1900                         code = CITE_CODE;
1901                 else if (cmd.argument() == "ert")
1902                         code = ERT_CODE;
1903                 else if (cmd.argument() == "external")
1904                         code = EXTERNAL_CODE;
1905                 else if (cmd.argument() == "float")
1906                         code = FLOAT_CODE;
1907                 else if (cmd.argument() == "graphics")
1908                         code = GRAPHICS_CODE;
1909                 else if (cmd.argument() == "href")
1910                         code = HYPERLINK_CODE;
1911                 else if (cmd.argument() == "include")
1912                         code = INCLUDE_CODE;
1913                 else if (cmd.argument() == "index")
1914                         code = INDEX_CODE;
1915                 else if (cmd.argument() == "nomenclature")
1916                         code = NOMENCL_CODE;
1917                 else if (cmd.argument() == "label")
1918                         code = LABEL_CODE;
1919                 else if (cmd.argument() == "note")
1920                         code = NOTE_CODE;
1921                 else if (cmd.argument() == "ref")
1922                         code = REF_CODE;
1923                 else if (cmd.argument() == "space")
1924                         code = SPACE_CODE;
1925                 else if (cmd.argument() == "toc")
1926                         code = TOC_CODE;
1927                 else if (cmd.argument() == "vspace")
1928                         code = VSPACE_CODE;
1929                 else if (cmd.argument() == "wrap")
1930                         code = WRAP_CODE;
1931                 else if (cmd.argument() == "listings")
1932                         code = LISTINGS_CODE;
1933                 break;
1934
1935         case LFUN_ERT_INSERT:
1936                 code = ERT_CODE;
1937                 break;
1938         case LFUN_LISTING_INSERT:
1939                 code = LISTINGS_CODE;
1940                 break;
1941         case LFUN_FOOTNOTE_INSERT:
1942                 code = FOOT_CODE;
1943                 break;
1944         case LFUN_TABULAR_INSERT:
1945                 code = TABULAR_CODE;
1946                 break;
1947         case LFUN_MARGINALNOTE_INSERT:
1948                 code = MARGIN_CODE;
1949                 break;
1950         case LFUN_FLOAT_INSERT:
1951         case LFUN_FLOAT_WIDE_INSERT:
1952                 code = FLOAT_CODE;
1953                 break;
1954         case LFUN_WRAP_INSERT:
1955                 code = WRAP_CODE;
1956                 break;
1957         case LFUN_FLOAT_LIST:
1958                 code = FLOAT_LIST_CODE;
1959                 break;
1960 #if 0
1961         case LFUN_LIST_INSERT:
1962                 code = LIST_CODE;
1963                 break;
1964 #endif
1965         case LFUN_CAPTION_INSERT:
1966                 code = CAPTION_CODE;
1967                 break;
1968         case LFUN_NOTE_INSERT:
1969                 code = NOTE_CODE;
1970                 // in commands (sections etc., only Notes are allowed)
1971                 enable = (cmd.argument().empty() || cmd.getArg(0) == "Note" ||
1972                           !cur.paragraph().layout().isCommand());
1973                 break;
1974         case LFUN_FLEX_INSERT: {
1975                 code = FLEX_CODE;
1976                 string s = cmd.getArg(0);
1977                 InsetLayout il =
1978                         cur.buffer().params().documentClass().insetLayout(from_utf8(s));
1979                 if (il.lyxtype() != "charstyle" &&
1980                     il.lyxtype() != "custom" &&
1981                     il.lyxtype() != "element" &&
1982                     il.lyxtype ()!= "standard")
1983                         enable = false;
1984                 break;
1985                 }
1986         case LFUN_BOX_INSERT:
1987                 code = BOX_CODE;
1988                 break;
1989         case LFUN_BRANCH_INSERT:
1990                 code = BRANCH_CODE;
1991                 if (cur.buffer().masterBuffer()->params().branchlist().empty())
1992                         enable = false;
1993                 break;
1994         case LFUN_LABEL_INSERT:
1995                 code = LABEL_CODE;
1996                 break;
1997         case LFUN_INFO_INSERT:
1998                 code = INFO_CODE;
1999                 break;
2000         case LFUN_OPTIONAL_INSERT:
2001                 code = OPTARG_CODE;
2002                 enable = cur.paragraph().insetList().count(OPTARG_CODE)
2003                         < cur.paragraph().layout().optionalargs;
2004                 break;
2005         case LFUN_ENVIRONMENT_INSERT:
2006                 code = BOX_CODE;
2007                 break;
2008         case LFUN_INDEX_INSERT:
2009                 code = INDEX_CODE;
2010                 break;
2011         case LFUN_INDEX_PRINT:
2012                 code = INDEX_PRINT_CODE;
2013                 break;
2014         case LFUN_NOMENCL_INSERT:
2015                 code = NOMENCL_CODE;
2016                 break;
2017         case LFUN_NOMENCL_PRINT:
2018                 code = NOMENCL_PRINT_CODE;
2019                 break;
2020         case LFUN_TOC_INSERT:
2021                 code = TOC_CODE;
2022                 break;
2023         case LFUN_HYPERLINK_INSERT:
2024                 code = HYPERLINK_CODE;
2025                 break;
2026         case LFUN_QUOTE_INSERT:
2027                 // always allow this, since we will inset a raw quote
2028                 // if an inset is not allowed.
2029                 break;
2030         case LFUN_SPECIALCHAR_INSERT:
2031                 code = SPECIALCHAR_CODE;
2032                 break;
2033         case LFUN_SPACE_INSERT:
2034                 // slight hack: we know this is allowed in math mode
2035                 if (cur.inTexted())
2036                         code = SPACE_CODE;
2037                 break;
2038
2039         case LFUN_INSET_MODIFY:
2040                 // We need to disable this, because we may get called for a
2041                 // tabular cell via
2042                 // InsetTabular::getStatus() -> InsetText::getStatus()
2043                 // and we don't handle LFUN_INSET_MODIFY.
2044                 enable = false;
2045                 break;
2046
2047         case LFUN_FONT_EMPH:
2048                 flag.setOnOff(fontinfo.emph() == FONT_ON);
2049                 return true;
2050
2051         case LFUN_FONT_NOUN:
2052                 flag.setOnOff(fontinfo.noun() == FONT_ON);
2053                 return true;
2054
2055         case LFUN_FONT_BOLD:
2056                 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
2057                 return true;
2058
2059         case LFUN_FONT_SANS:
2060                 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
2061                 return true;
2062
2063         case LFUN_FONT_ROMAN:
2064                 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
2065                 return true;
2066
2067         case LFUN_FONT_TYPEWRITER:
2068                 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2069                 return true;
2070
2071         case LFUN_CUT:
2072         case LFUN_COPY:
2073                 enable = cur.selection();
2074                 break;
2075
2076         case LFUN_PASTE: {
2077                 if (cmd.argument().empty()) {
2078                         if (theClipboard().isInternal())
2079                                 enable = cap::numberOfSelections() > 0;
2080                         else
2081                                 enable = !theClipboard().empty();
2082                         break;
2083                 }
2084
2085                 // we have an argument
2086                 string const arg = to_utf8(cmd.argument());
2087                 if (isStrUnsignedInt(arg)) {
2088                         // it's a number and therefore means the internal stack
2089                         unsigned int n = convert<unsigned int>(arg);
2090                         enable = cap::numberOfSelections() > n;
2091                         break;
2092                 }
2093
2094                 // explicit graphics type?
2095                 if ((arg == "pdf" && theClipboard().hasGraphicsContents(Clipboard::PdfGraphicsType))
2096                     || (arg == "png" && theClipboard().hasGraphicsContents(Clipboard::PngGraphicsType))
2097                     || (arg == "jpeg" && theClipboard().hasGraphicsContents(Clipboard::JpegGraphicsType))
2098                     || (arg == "linkback" && theClipboard().hasGraphicsContents(Clipboard::LinkBackGraphicsType))) {
2099                         enable = true;
2100                         break;
2101                 }
2102
2103                 // unknown argument
2104                 enable = false;
2105                 break;
2106          }
2107
2108         case LFUN_CLIPBOARD_PASTE:
2109                 enable = !theClipboard().empty();
2110                 break;
2111
2112         case LFUN_PRIMARY_SELECTION_PASTE:
2113                 enable = cur.selection() || !theSelection().empty();
2114                 break;
2115
2116         case LFUN_PARAGRAPH_MOVE_UP:
2117                 enable = cur.pit() > 0 && !cur.selection();
2118                 break;
2119
2120         case LFUN_PARAGRAPH_MOVE_DOWN:
2121                 enable = cur.pit() < cur.lastpit() && !cur.selection();
2122                 break;
2123
2124         case LFUN_INSET_DISSOLVE:
2125                 if (!cmd.argument().empty()) {
2126                         InsetLayout il = cur.inset().getLayout(cur.buffer().params());
2127                         enable = cur.inset().lyxCode() == FLEX_CODE
2128                                  && il.lyxtype() == to_utf8(cmd.argument());
2129                 } else {
2130                         enable = !isMainText(cur.bv().buffer())
2131                                  && cur.inset().nargs() == 1;
2132                 }
2133                 break;
2134
2135         case LFUN_CHANGE_ACCEPT:
2136         case LFUN_CHANGE_REJECT:
2137                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2138                 // In principle, these LFUNs should only be enabled if there
2139                 // is a change at the current position/in the current selection.
2140                 // However, without proper optimizations, this will inevitably
2141                 // result in unacceptable performance - just imagine a user who
2142                 // wants to select the complete content of a long document.
2143                 enable = true;
2144                 break;
2145
2146         case LFUN_OUTLINE_UP:
2147         case LFUN_OUTLINE_DOWN:
2148         case LFUN_OUTLINE_IN:
2149         case LFUN_OUTLINE_OUT:
2150                 enable = (cur.paragraph().layout().toclevel != Layout::NOT_IN_TOC);
2151                 break;
2152
2153         case LFUN_NEWLINE_INSERT:
2154                 // LaTeX restrictions (labels or empty par)
2155                 enable = (cur.pos() > cur.paragraph().beginOfBody());
2156                 break;
2157
2158         case LFUN_WORD_DELETE_FORWARD:
2159         case LFUN_WORD_DELETE_BACKWARD:
2160         case LFUN_LINE_DELETE:
2161         case LFUN_WORD_FORWARD:
2162         case LFUN_WORD_BACKWARD:
2163         case LFUN_WORD_RIGHT:
2164         case LFUN_WORD_LEFT:
2165         case LFUN_CHAR_FORWARD:
2166         case LFUN_CHAR_FORWARD_SELECT:
2167         case LFUN_CHAR_BACKWARD:
2168         case LFUN_CHAR_BACKWARD_SELECT:
2169         case LFUN_CHAR_LEFT:
2170         case LFUN_CHAR_LEFT_SELECT:
2171         case LFUN_CHAR_RIGHT:
2172         case LFUN_CHAR_RIGHT_SELECT:
2173         case LFUN_UP:
2174         case LFUN_UP_SELECT:
2175         case LFUN_DOWN:
2176         case LFUN_DOWN_SELECT:
2177         case LFUN_PARAGRAPH_UP_SELECT:
2178         case LFUN_PARAGRAPH_DOWN_SELECT:
2179         case LFUN_LINE_BEGIN_SELECT:
2180         case LFUN_LINE_END_SELECT:
2181         case LFUN_WORD_FORWARD_SELECT:
2182         case LFUN_WORD_BACKWARD_SELECT:
2183         case LFUN_WORD_RIGHT_SELECT:
2184         case LFUN_WORD_LEFT_SELECT:
2185         case LFUN_WORD_SELECT:
2186         case LFUN_PARAGRAPH_UP:
2187         case LFUN_PARAGRAPH_DOWN:
2188         case LFUN_LINE_BEGIN:
2189         case LFUN_LINE_END:
2190         case LFUN_CHAR_DELETE_FORWARD:
2191         case LFUN_DELETE_FORWARD_SKIP:
2192         case LFUN_CHAR_DELETE_BACKWARD:
2193         case LFUN_DELETE_BACKWARD_SKIP:
2194         case LFUN_BREAK_PARAGRAPH:
2195         case LFUN_BREAK_PARAGRAPH_SKIP:
2196         case LFUN_PARAGRAPH_SPACING:
2197         case LFUN_INSET_INSERT:
2198         case LFUN_WORD_UPCASE:
2199         case LFUN_WORD_LOWCASE:
2200         case LFUN_WORD_CAPITALIZE:
2201         case LFUN_CHARS_TRANSPOSE:
2202         case LFUN_SERVER_GET_XY:
2203         case LFUN_SERVER_SET_XY:
2204         case LFUN_SERVER_GET_LAYOUT:
2205         case LFUN_LAYOUT:
2206         case LFUN_DATE_INSERT:
2207         case LFUN_SELF_INSERT:
2208         case LFUN_LINE_INSERT:
2209         case LFUN_NEWPAGE_INSERT:
2210         case LFUN_MATH_DISPLAY:
2211         case LFUN_MATH_IMPORT_SELECTION:
2212         case LFUN_MATH_MODE:
2213         case LFUN_MATH_MACRO:
2214         case LFUN_MATH_MATRIX:
2215         case LFUN_MATH_DELIM:
2216         case LFUN_MATH_BIGDELIM:
2217         case LFUN_MATH_INSERT:
2218         case LFUN_MATH_SUBSCRIPT:
2219         case LFUN_MATH_SUPERSCRIPT:
2220         case LFUN_FONT_DEFAULT:
2221         case LFUN_FONT_UNDERLINE:
2222         case LFUN_FONT_SIZE:
2223         case LFUN_LANGUAGE:
2224         case LFUN_FONT_FREE_APPLY:
2225         case LFUN_FONT_FREE_UPDATE:
2226         case LFUN_LAYOUT_PARAGRAPH:
2227         case LFUN_PARAGRAPH_UPDATE:
2228         case LFUN_ACCENT_UMLAUT:
2229         case LFUN_ACCENT_CIRCUMFLEX:
2230         case LFUN_ACCENT_GRAVE:
2231         case LFUN_ACCENT_ACUTE:
2232         case LFUN_ACCENT_TILDE:
2233         case LFUN_ACCENT_CEDILLA:
2234         case LFUN_ACCENT_MACRON:
2235         case LFUN_ACCENT_DOT:
2236         case LFUN_ACCENT_UNDERDOT:
2237         case LFUN_ACCENT_UNDERBAR:
2238         case LFUN_ACCENT_CARON:
2239         case LFUN_ACCENT_SPECIAL_CARON:
2240         case LFUN_ACCENT_BREVE:
2241         case LFUN_ACCENT_TIE:
2242         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2243         case LFUN_ACCENT_CIRCLE:
2244         case LFUN_ACCENT_OGONEK:
2245         case LFUN_THESAURUS_ENTRY:
2246         case LFUN_PARAGRAPH_PARAMS_APPLY:
2247         case LFUN_PARAGRAPH_PARAMS:
2248         case LFUN_ESCAPE:
2249         case LFUN_BUFFER_END:
2250         case LFUN_BUFFER_BEGIN:
2251         case LFUN_BUFFER_BEGIN_SELECT:
2252         case LFUN_BUFFER_END_SELECT:
2253         case LFUN_UNICODE_INSERT:
2254                 // these are handled in our dispatch()
2255                 enable = true;
2256                 break;
2257
2258         default:
2259                 return false;
2260         }
2261
2262         if (code != NO_CODE
2263             && (cur.empty() || !cur.inset().insetAllowed(code)))
2264                 enable = false;
2265
2266         flag.enabled(enable);
2267         return true;
2268 }
2269
2270
2271 void Text::pasteString(Cursor & cur, docstring const & clip,
2272                 bool asParagraphs)
2273 {
2274         cur.clearSelection();
2275         if (!clip.empty()) {
2276                 cur.recordUndo();
2277                 if (asParagraphs)
2278                         insertStringAsParagraphs(cur, clip);
2279                 else
2280                         insertStringAsLines(cur, clip);
2281         }
2282 }
2283
2284 } // namespace lyx