src/Text3.cpp

   1 /**
   2  * \file Text3.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "Text.h"
  19
  20 #include "Bidi.h"
  21 #include "BranchList.h"
  22 #include "FloatList.h"
  23 #include "FuncStatus.h"
  24 #include "Buffer.h"
  25 #include "buffer_funcs.h"
  26 #include "BufferParams.h"
  27 #include "BufferView.h"
  28 #include "Changes.h"
  29 #include "Cursor.h"
  30 #include "CutAndPaste.h"
  31 #include "DispatchResult.h"
  32 #include "ErrorList.h"
  33 #include "factory.h"
  34 #include "FuncRequest.h"
  35 #include "InsetList.h"
  36 #include "Intl.h"
  37 #include "Language.h"
  38 #include "Layout.h"
  39 #include "LyXAction.h"
  40 #include "LyX.h"
  41 #include "Lexer.h"
  42 #include "LyXRC.h"
  43 #include "Paragraph.h"
  44 #include "ParagraphParameters.h"
  45 #include "SpellChecker.h"
  46 #include "TextClass.h"
  47 #include "TextMetrics.h"
  48 #include "WordLangTuple.h"
  49
  50 #include "frontends/Application.h"
  51 #include "frontends/Clipboard.h"
  52 #include "frontends/Selection.h"
  53
  54 #include "insets/InsetCollapsable.h"
  55 #include "insets/InsetCommand.h"
  56 #include "insets/InsetExternal.h"
  57 #include "insets/InsetFloat.h"
  58 #include "insets/InsetFloatList.h"
  59 #include "insets/InsetGraphics.h"
  60 #include "insets/InsetGraphicsParams.h"
  61 #include "insets/InsetIPAMacro.h"
  62 #include "insets/InsetNewline.h"
  63 #include "insets/InsetQuotes.h"
  64 #include "insets/InsetSpecialChar.h"
  65 #include "insets/InsetText.h"
  66 #include "insets/InsetWrap.h"
  67
  68 #include "support/convert.h"
  69 #include "support/debug.h"
  70 #include "support/gettext.h"
  71 #include "support/lassert.h"
  72 #include "support/lstrings.h"
  73 #include "support/lyxtime.h"
  74 #include "support/os.h"
  75
  76 #include "mathed/InsetMathHull.h"
  77 #include "mathed/MathMacroTemplate.h"
  78
  79 #include <boost/next_prior.hpp>
  80
  81 #include <clocale>
  82 #include <sstream>
  83
  84 using namespace std;
  85 using namespace lyx::support;
  86
  87 namespace lyx {
  88
  89 using cap::copySelection;
  90 using cap::cutSelection;
  91 using cap::pasteFromStack;
  92 using cap::pasteClipboardText;
  93 using cap::pasteClipboardGraphics;
  94 using cap::replaceSelection;
  95 using cap::grabAndEraseSelection;
  96 using cap::selClearOrDel;
  97 using cap::pasteSimpleText;
  98
  99 // globals...
 100 static Font freefont(ignore_font, ignore_language);
 101 static bool toggleall = false;
 102
 103 static void toggleAndShow(Cursor & cur, Text * text,
 104         Font const & font, bool toggleall = true)
 105 {
 106         text->toggleFree(cur, font, toggleall);
 107
 108         if (font.language() != ignore_language ||
 109             font.fontInfo().number() != FONT_IGNORE) {
 110                 TextMetrics const & tm = cur.bv().textMetrics(text);
 111                 if (cur.boundary() != tm.isRTLBoundary(cur.pit(), cur.pos(),
 112                                                        cur.real_current_font))
 113                         text->setCursor(cur, cur.pit(), cur.pos(),
 114                                         false, !cur.boundary());
 115         }
 116 }
 117
 118
 119 static void moveCursor(Cursor & cur, bool selecting)
 120 {
 121         if (selecting || cur.mark())
 122                 cur.setSelection();
 123 }
 124
 125
 126 static void finishChange(Cursor & cur, bool selecting)
 127 {
 128         cur.finishUndo();
 129         moveCursor(cur, selecting);
 130 }
 131
 132
 133 static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 134 {
 135         cur.recordUndo();
 136         docstring sel = cur.selectionAsString(false);
 137
 138         // It may happen that sel is empty but there is a selection
 139         replaceSelection(cur);
 140
 141         // Is this a valid formula?
 142         bool valid = true;
 143
 144         if (sel.empty()) {
 145 #ifdef ENABLE_ASSERTIONS
 146                 const int old_pos = cur.pos();
 147 #endif
 148                 cur.insert(new InsetMathHull(cur.buffer(), hullSimple));
 149 #ifdef ENABLE_ASSERTIONS
 150                 LASSERT(old_pos == cur.pos(), /**/);
 151 #endif
 152                 cur.nextInset()->edit(cur, true);
 153                 // don't do that also for LFUN_MATH_MODE
 154                 // unless you want end up with always changing
 155                 // to mathrm when opening an inlined inset --
 156                 // I really hate "LyXfunc overloading"...
 157                 if (display)
 158                         cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 159                 // Avoid an unnecessary undo step if cmd.argument
 160                 // is empty
 161                 if (!cmd.argument().empty())
 162                         cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 163                                                  cmd.argument()));
 164         } else {
 165                 // create a macro if we see "\\newcommand"
 166                 // somewhere, and an ordinary formula
 167                 // otherwise
 168                 if (sel.find(from_ascii("\\newcommand")) == string::npos
 169                                 && sel.find(from_ascii("\\newlyxcommand")) == string::npos
 170                                 && sel.find(from_ascii("\\def")) == string::npos)
 171                 {
 172                         InsetMathHull * formula = new InsetMathHull(cur.buffer());
 173                         string const selstr = to_utf8(sel);
 174                         istringstream is(selstr);
 175                         Lexer lex;
 176                         lex.setStream(is);
 177                         if (!formula->readQuiet(lex)) {
 178                                 // No valid formula, let's try with delims
 179                                 is.str("$" + selstr + "$");
 180                                 lex.setStream(is);
 181                                 if (!formula->readQuiet(lex)) {
 182                                         // Still not valid, leave it as is
 183                                         valid = false;
 184                                         delete formula;
 185                                         cur.insert(sel);
 186                                 } else
 187                                         cur.insert(formula);
 188                         } else
 189                                 cur.insert(formula);
 190                 } else {
 191                         cur.insert(new MathMacroTemplate(cur.buffer(), sel));
 192                 }
 193         }
 194         if (valid)
 195                 cur.message(from_utf8(N_("Math editor mode")));
 196         else
 197                 cur.message(from_utf8(N_("No valid math formula")));
 198 }
 199
 200
 201 void regexpDispatch(Cursor & cur, FuncRequest const & cmd)
 202 {
 203         LASSERT(cmd.action() == LFUN_REGEXP_MODE, return);
 204         if (cur.inRegexped()) {
 205                 cur.message(_("Already in regular expression mode"));
 206                 return;
 207         }
 208         cur.recordUndo();
 209         docstring sel = cur.selectionAsString(false);
 210
 211         // It may happen that sel is empty but there is a selection
 212         replaceSelection(cur);
 213
 214         cur.insert(new InsetMathHull(cur.buffer(), hullRegexp));
 215         cur.nextInset()->edit(cur, true);
 216         cur.niceInsert(sel);
 217
 218         cur.message(_("Regexp editor mode"));
 219 }
 220
 221
 222 static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 223 {
 224         cur.recordUndo();
 225         cap::replaceSelection(cur);
 226         cur.insert(new InsetSpecialChar(kind));
 227         cur.posForward();
 228 }
 229
 230
 231 static void ipaChar(Cursor & cur, InsetIPAChar::Kind kind)
 232 {
 233         cur.recordUndo();
 234         cap::replaceSelection(cur);
 235         cur.insert(new InsetIPAChar(kind));
 236         cur.posForward();
 237 }
 238
 239
 240 static bool doInsertInset(Cursor & cur, Text * text,
 241         FuncRequest const & cmd, bool edit, bool pastesel)
 242 {
 243         Buffer & buffer = cur.bv().buffer();
 244         BufferParams const & bparams = buffer.params();
 245         Inset * inset = createInset(&buffer, cmd);
 246         if (!inset)
 247                 return false;
 248
 249         if (InsetCollapsable * ci = inset->asInsetCollapsable())
 250                 ci->setButtonLabel();
 251
 252         cur.recordUndo();
 253         if (cmd.action() == LFUN_INDEX_INSERT) {
 254                 docstring ds = subst(text->getStringToIndex(cur), '\n', ' ');
 255                 text->insertInset(cur, inset);
 256                 if (edit)
 257                         inset->edit(cur, true);
 258                 // Now put this into inset
 259                 Font const f(inherit_font, cur.current_font.language());
 260                 if (!ds.empty()) {
 261                         cur.text()->insertStringAsLines(cur, ds, f);
 262                         cur.leaveInset(*inset);
 263                 }
 264                 return true;
 265         }
 266
 267         bool gotsel = false;
 268         if (cur.selection()) {
 269                 cutSelection(cur, false, pastesel);
 270                 cur.clearSelection();
 271                 gotsel = true;
 272         }
 273         text->insertInset(cur, inset);
 274
 275         if (edit)
 276                 inset->edit(cur, true);
 277
 278         if (!gotsel || !pastesel)
 279                 return true;
 280
 281         pasteFromStack(cur, cur.buffer()->errorList("Paste"), 0);
 282         cur.buffer()->errors("Paste");
 283         cur.clearSelection(); // bug 393
 284         cur.finishUndo();
 285         InsetText * inset_text = inset->asInsetText();
 286         if (inset_text) {
 287                 inset_text->fixParagraphsFont();
 288                 if (!inset_text->allowMultiPar() || cur.lastpit() == 0) {
 289                         // reset first par to default
 290                         cur.text()->paragraphs().begin()
 291                                 ->setPlainOrDefaultLayout(bparams.documentClass());
 292                         cur.pos() = 0;
 293                         cur.pit() = 0;
 294                         // Merge multiple paragraphs -- hack
 295                         while (cur.lastpit() > 0)
 296                                 mergeParagraph(bparams, cur.text()->paragraphs(), 0);
 297                         cur.leaveInset(*inset);
 298                 }
 299         } else {
 300                 cur.leaveInset(*inset);
 301                 // reset surrounding par to default
 302                 DocumentClass const & dc = bparams.documentClass();
 303                 docstring const layoutname = inset->usePlainLayout()
 304                         ? dc.plainLayoutName()
 305                         : dc.defaultLayoutName();
 306                 text->setLayout(cur, layoutname);
 307         }
 308         return true;
 309 }
 310
 311
 312 string const freefont2string()
 313 {
 314         return freefont.toString(toggleall);
 315 }
 316
 317
 318 /// the type of outline operation
 319 enum OutlineOp {
 320         OutlineUp, // Move this header with text down
 321         OutlineDown,   // Move this header with text up
 322         OutlineIn, // Make this header deeper
 323         OutlineOut // Make this header shallower
 324 };
 325
 326
 327 static void outline(OutlineOp mode, Cursor & cur)
 328 {
 329         Buffer & buf = *cur.buffer();
 330         pit_type & pit = cur.pit();
 331         ParagraphList & pars = buf.text().paragraphs();
 332         ParagraphList::iterator const bgn = pars.begin();
 333         // The first paragraph of the area to be copied:
 334         ParagraphList::iterator start = boost::next(bgn, pit);
 335         // The final paragraph of area to be copied:
 336         ParagraphList::iterator finish = start;
 337         ParagraphList::iterator const end = pars.end();
 338
 339         DocumentClass const & tc = buf.params().documentClass();
 340
 341         int const thistoclevel = start->layout().toclevel;
 342         int toclevel;
 343
 344         // Move out (down) from this section header
 345         if (finish != end)
 346                 ++finish;
 347
 348         // Seek the one (on same level) below
 349         for (; finish != end; ++finish) {
 350                 toclevel = finish->layout().toclevel;
 351                 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 352                         break;
 353         }
 354
 355         switch (mode) {
 356                 case OutlineUp: {
 357                         if (start == pars.begin())
 358                                 // Nothing to move.
 359                                 return;
 360                         ParagraphList::iterator dest = start;
 361                         // Move out (up) from this header
 362                         if (dest == bgn)
 363                                 return;
 364                         // Search previous same-level header above
 365                         do {
 366                                 --dest;
 367                                 toclevel = dest->layout().toclevel;
 368                         } while(dest != bgn
 369                                 && (toclevel == Layout::NOT_IN_TOC
 370                                     || toclevel > thistoclevel));
 371                         // Not found; do nothing
 372                         if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
 373                                 return;
 374                         pit_type const newpit = distance(bgn, dest);
 375                         pit_type const len = distance(start, finish);
 376                         pit_type const deletepit = pit + len;
 377                         buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
 378                         pars.splice(dest, start, finish);
 379                         cur.pit() = newpit;
 380                         break;
 381                 }
 382                 case OutlineDown: {
 383                         if (finish == end)
 384                                 // Nothing to move.
 385                                 return;
 386                         // Go one down from *this* header:
 387                         ParagraphList::iterator dest = boost::next(finish, 1);
 388                         // Go further down to find header to insert in front of:
 389                         for (; dest != end; ++dest) {
 390                                 toclevel = dest->layout().toclevel;
 391                                 if (toclevel != Layout::NOT_IN_TOC
 392                                       && toclevel <= thistoclevel)
 393                                         break;
 394                         }
 395                         // One such was found:
 396                         pit_type newpit = distance(bgn, dest);
 397                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
 398                         pit_type const len = distance(start, finish);
 399                         pars.splice(dest, start, finish);
 400                         cur.pit() = newpit - len;
 401                         break;
 402                 }
 403                 case OutlineIn: {
 404                         pit_type const len = distance(start, finish);
 405                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 406                         for (; start != finish; ++start) {
 407                                 toclevel = start->layout().toclevel;
 408                                 if (toclevel == Layout::NOT_IN_TOC)
 409                                         continue;
 410                                 DocumentClass::const_iterator lit = tc.begin();
 411                                 DocumentClass::const_iterator len = tc.end();
 412                                 for (; lit != len; ++lit) {
 413                                         if (lit->toclevel == toclevel + 1 &&
 414                                             start->layout().labeltype == lit->labeltype) {
 415                                                 start->setLayout(*lit);
 416                                                 break;
 417                                         }
 418                                 }
 419                         }
 420                         break;
 421                 }
 422                 case OutlineOut: {
 423                         pit_type const len = distance(start, finish);
 424                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 425                         for (; start != finish; ++start) {
 426                                 toclevel = start->layout().toclevel;
 427                                 if (toclevel == Layout::NOT_IN_TOC)
 428                                         continue;
 429                                 DocumentClass::const_iterator lit = tc.begin();
 430                                 DocumentClass::const_iterator len = tc.end();
 431                                 for (; lit != len; ++lit) {
 432                                         if (lit->toclevel == toclevel - 1 &&
 433                                                 start->layout().labeltype == lit->labeltype) {
 434                                                         start->setLayout(*lit);
 435                                                         break;
 436                                         }
 437                                 }
 438                         }
 439                         break;
 440                 }
 441         }
 442 }
 443
 444
 445 void Text::number(Cursor & cur)
 446 {
 447         FontInfo font = ignore_font;
 448         font.setNumber(FONT_TOGGLE);
 449         toggleAndShow(cur, this, Font(font, ignore_language));
 450 }
 451
 452
 453 bool Text::isRTL(Paragraph const & par) const
 454 {
 455         Buffer const & buffer = owner_->buffer();
 456         return par.isRTL(buffer.params());
 457 }
 458
 459
 460 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 461 {
 462         LYXERR(Debug::ACTION, "Text::dispatch: cmd: " << cmd);
 463
 464         // Dispatch if the cursor is inside the text. It is not the
 465         // case for context menus (bug 5797).
 466         if (cur.text() != this) {
 467                 cur.undispatched();
 468                 return;
 469         }
 470
 471         BufferView * bv = &cur.bv();
 472         TextMetrics * tm = &bv->textMetrics(this);
 473         if (!tm->contains(cur.pit())) {
 474                 lyx::dispatch(FuncRequest(LFUN_SCREEN_SHOW_CURSOR));
 475                 tm = &bv->textMetrics(this);
 476         }
 477
 478         // FIXME: We use the update flag to indicates wether a singlePar or a
 479         // full screen update is needed. We reset it here but shall we restore it
 480         // at the end?
 481         cur.noScreenUpdate();
 482
 483         LASSERT(cur.text() == this, /**/);
 484         CursorSlice const oldTopSlice = cur.top();
 485         bool const oldBoundary = cur.boundary();
 486         bool const oldSelection = cur.selection();
 487         // Signals that, even if needsUpdate == false, an update of the
 488         // cursor paragraph is required
 489         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action(),
 490                 LyXAction::SingleParUpdate);
 491         // Signals that a full-screen update is required
 492         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action(),
 493                 LyXAction::NoUpdate) || singleParUpdate);
 494         bool const last_misspelled = lyxrc.spellcheck_continuously
 495                 && cur.paragraph().isMisspelled(cur.pos(), true);
 496
 497         FuncCode const act = cmd.action();
 498         switch (act) {
 499
 500         case LFUN_PARAGRAPH_MOVE_DOWN: {
 501                 pit_type const pit = cur.pit();
 502                 recUndo(cur, pit, pit + 1);
 503                 cur.finishUndo();
 504                 pars_.swap(pit, pit + 1);
 505                 needsUpdate = true;
 506                 cur.forceBufferUpdate();
 507                 ++cur.pit();
 508                 break;
 509         }
 510
 511         case LFUN_PARAGRAPH_MOVE_UP: {
 512                 pit_type const pit = cur.pit();
 513                 recUndo(cur, pit - 1, pit);
 514                 cur.finishUndo();
 515                 pars_.swap(pit, pit - 1);
 516                 --cur.pit();
 517                 needsUpdate = true;
 518                 cur.forceBufferUpdate();
 519                 break;
 520         }
 521
 522         case LFUN_APPENDIX: {
 523                 Paragraph & par = cur.paragraph();
 524                 bool start = !par.params().startOfAppendix();
 525
 526 // FIXME: The code below only makes sense at top level.
 527 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 528                 // ensure that we have only one start_of_appendix in this document
 529                 // FIXME: this don't work for multipart document!
 530                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 531                         if (pars_[tmp].params().startOfAppendix()) {
 532                                 recUndo(cur, tmp);
 533                                 pars_[tmp].params().startOfAppendix(false);
 534                                 break;
 535                         }
 536                 }
 537
 538                 cur.recordUndo();
 539                 par.params().startOfAppendix(start);
 540
 541                 // we can set the refreshing parameters now
 542                 cur.forceBufferUpdate();
 543                 break;
 544         }
 545
 546         case LFUN_WORD_DELETE_FORWARD:
 547                 if (cur.selection())
 548                         cutSelection(cur, true, false);
 549                 else
 550                         deleteWordForward(cur);
 551                 finishChange(cur, false);
 552                 break;
 553
 554         case LFUN_WORD_DELETE_BACKWARD:
 555                 if (cur.selection())
 556                         cutSelection(cur, true, false);
 557                 else
 558                         deleteWordBackward(cur);
 559                 finishChange(cur, false);
 560                 break;
 561
 562         case LFUN_LINE_DELETE:
 563                 if (cur.selection())
 564                         cutSelection(cur, true, false);
 565                 else
 566                         tm->deleteLineForward(cur);
 567                 finishChange(cur, false);
 568                 break;
 569
 570         case LFUN_BUFFER_BEGIN:
 571         case LFUN_BUFFER_BEGIN_SELECT:
 572                 needsUpdate |= cur.selHandle(act == LFUN_BUFFER_BEGIN_SELECT);
 573                 if (cur.depth() == 1)
 574                         needsUpdate |= cursorTop(cur);
 575                 else
 576                         cur.undispatched();
 577                 cur.screenUpdateFlags(Update::FitCursor);
 578                 break;
 579
 580         case LFUN_BUFFER_END:
 581         case LFUN_BUFFER_END_SELECT:
 582                 needsUpdate |= cur.selHandle(act == LFUN_BUFFER_END_SELECT);
 583                 if (cur.depth() == 1)
 584                         needsUpdate |= cursorBottom(cur);
 585                 else
 586                         cur.undispatched();
 587                 cur.screenUpdateFlags(Update::FitCursor);
 588                 break;
 589
 590         case LFUN_INSET_BEGIN:
 591         case LFUN_INSET_BEGIN_SELECT:
 592                 needsUpdate |= cur.selHandle(act == LFUN_INSET_BEGIN_SELECT);
 593                 if (cur.depth() == 1 || !cur.top().at_begin())
 594                         needsUpdate |= cursorTop(cur);
 595                 else
 596                         cur.undispatched();
 597                 cur.screenUpdateFlags(Update::FitCursor);
 598                 break;
 599
 600         case LFUN_INSET_END:
 601         case LFUN_INSET_END_SELECT:
 602                 needsUpdate |= cur.selHandle(act == LFUN_INSET_END_SELECT);
 603                 if (cur.depth() == 1 || !cur.top().at_end())
 604                         needsUpdate |= cursorBottom(cur);
 605                 else
 606                         cur.undispatched();
 607                 cur.screenUpdateFlags(Update::FitCursor);
 608                 break;
 609
 610         case LFUN_INSET_SELECT_ALL:
 611                 if (cur.depth() == 1 || !cur.selection() || !cur.selBegin().at_begin()
 612                           || !cur.selEnd().at_end()) {
 613                         needsUpdate |= cur.selHandle(false);
 614                         needsUpdate |= cursorTop(cur);
 615                         needsUpdate |= cur.selHandle(true);
 616                         needsUpdate |= cursorBottom(cur);
 617                 } else
 618                         cur.undispatched();
 619                 cur.screenUpdateFlags(Update::FitCursor);
 620                 break;
 621
 622         case LFUN_CHAR_FORWARD:
 623         case LFUN_CHAR_FORWARD_SELECT:
 624                 //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
 625                 needsUpdate |= cur.selHandle(act == LFUN_CHAR_FORWARD_SELECT);
 626                 needsUpdate |= cursorForward(cur);
 627
 628                 if (!needsUpdate && oldTopSlice == cur.top()
 629                                 && cur.boundary() == oldBoundary) {
 630                         cur.undispatched();
 631                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 632
 633                         // we will probably be moving out the inset, so we should execute
 634                         // the depm-mechanism, but only when the cursor has a place to
 635                         // go outside this inset, i.e. in a slice above.
 636                         if (cur.depth() > 1 && cur.pos() == cur.lastpos()
 637                                   && cur.pit() == cur.lastpit()) {
 638                                 // The cursor hasn't changed yet. To give the
 639                                 // DEPM the possibility of doing something we must
 640                                 // provide it with two different cursors.
 641                                 Cursor dummy = cur;
 642                                 dummy.pos() = dummy.pit() = 0;
 643                                 if (cur.bv().checkDepm(dummy, cur)) {
 644                                         cur.forceBufferUpdate();
 645                                         // DEPM may have requested a screen update
 646                                         cur.screenUpdateFlags(
 647                                                 cur.screenUpdate() | dummy.screenUpdate());
 648                                 }
 649                         }
 650                 }
 651                 break;
 652
 653         case LFUN_CHAR_BACKWARD:
 654         case LFUN_CHAR_BACKWARD_SELECT:
 655                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 656                 needsUpdate |= cur.selHandle(act == LFUN_CHAR_BACKWARD_SELECT);
 657                 needsUpdate |= cursorBackward(cur);
 658
 659                 if (!needsUpdate && oldTopSlice == cur.top()
 660                         && cur.boundary() == oldBoundary) {
 661                         cur.undispatched();
 662                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 663
 664                         // we will probably be moving out the inset, so we should execute
 665                         // the depm-mechanism, but only when the cursor has a place to
 666                         // go outside this inset, i.e. in a slice above.
 667                         if (cur.depth() > 1 && cur.pos() == 0 && cur.pit() == 0) {
 668                                 // The cursor hasn't changed yet. To give the
 669                                 // DEPM the possibility of doing something we must
 670                                 // provide it with two different cursors.
 671                                 Cursor dummy = cur;
 672                                 dummy.pos() = cur.lastpos();
 673                                 dummy.pit() = cur.lastpit();
 674                                 if (cur.bv().checkDepm(dummy, cur)) {
 675                                         cur.forceBufferUpdate();
 676                                         // DEPM may have requested a screen update
 677                                         cur.screenUpdateFlags(
 678                                                 cur.screenUpdate() | dummy.screenUpdate());
 679                                 }
 680                         }
 681                 }
 682                 break;
 683
 684         case LFUN_CHAR_LEFT:
 685         case LFUN_CHAR_LEFT_SELECT:
 686                 if (lyxrc.visual_cursor) {
 687                         needsUpdate |= cur.selHandle(act == LFUN_CHAR_LEFT_SELECT);
 688                         needsUpdate |= cursorVisLeft(cur);
 689                         if (!needsUpdate && oldTopSlice == cur.top()
 690                                         && cur.boundary() == oldBoundary) {
 691                                 cur.undispatched();
 692                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 693                         }
 694                 } else {
 695                         if (reverseDirectionNeeded(cur)) {
 696                                 cmd.setAction(cmd.action() == LFUN_CHAR_LEFT_SELECT ?
 697                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD);
 698                         } else {
 699                                 cmd.setAction(cmd.action() == LFUN_CHAR_LEFT_SELECT ?
 700                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD);
 701                         }
 702                         dispatch(cur, cmd);
 703                         return;
 704                 }
 705                 break;
 706
 707         case LFUN_CHAR_RIGHT:
 708         case LFUN_CHAR_RIGHT_SELECT:
 709                 if (lyxrc.visual_cursor) {
 710                         needsUpdate |= cur.selHandle(cmd.action() == LFUN_CHAR_RIGHT_SELECT);
 711                         needsUpdate |= cursorVisRight(cur);
 712                         if (!needsUpdate && oldTopSlice == cur.top()
 713                                         && cur.boundary() == oldBoundary) {
 714                                 cur.undispatched();
 715                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 716                         }
 717                 } else {
 718                         if (reverseDirectionNeeded(cur)) {
 719                                 cmd.setAction(cmd.action() == LFUN_CHAR_RIGHT_SELECT ?
 720                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD);
 721                         } else {
 722                                 cmd.setAction(cmd.action() == LFUN_CHAR_RIGHT_SELECT ?
 723                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD);
 724                         }
 725                         dispatch(cur, cmd);
 726                         return;
 727                 }
 728                 break;
 729
 730
 731         case LFUN_UP_SELECT:
 732         case LFUN_DOWN_SELECT:
 733         case LFUN_UP:
 734         case LFUN_DOWN: {
 735                 // stop/start the selection
 736                 bool select = cmd.action() == LFUN_DOWN_SELECT ||
 737                         cmd.action() == LFUN_UP_SELECT;
 738
 739                 // move cursor up/down
 740                 bool up = cmd.action() == LFUN_UP_SELECT || cmd.action() == LFUN_UP;
 741                 bool const atFirstOrLastRow = cur.atFirstOrLastRow(up);
 742
 743                 if (!atFirstOrLastRow) {
 744                         needsUpdate |= cur.selHandle(select);
 745                         cur.selHandle(select);
 746                         cur.upDownInText(up, needsUpdate);
 747                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 748                 } else {
 749                         // if the cursor cannot be moved up or down do not remove
 750                         // the selection right now, but wait for the next dispatch.
 751                         if (select)
 752                                 needsUpdate |= cur.selHandle(select);
 753                         cur.upDownInText(up, needsUpdate);
 754                         cur.undispatched();
 755                 }
 756
 757                 break;
 758         }
 759
 760         case LFUN_PARAGRAPH_UP:
 761         case LFUN_PARAGRAPH_UP_SELECT:
 762                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_PARAGRAPH_UP_SELECT);
 763                 needsUpdate |= cursorUpParagraph(cur);
 764                 break;
 765
 766         case LFUN_PARAGRAPH_DOWN:
 767         case LFUN_PARAGRAPH_DOWN_SELECT:
 768                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_PARAGRAPH_DOWN_SELECT);
 769                 needsUpdate |= cursorDownParagraph(cur);
 770                 break;
 771
 772         case LFUN_LINE_BEGIN:
 773         case LFUN_LINE_BEGIN_SELECT:
 774                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_LINE_BEGIN_SELECT);
 775                 needsUpdate |= tm->cursorHome(cur);
 776                 break;
 777
 778         case LFUN_LINE_END:
 779         case LFUN_LINE_END_SELECT:
 780                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_LINE_END_SELECT);
 781                 needsUpdate |= tm->cursorEnd(cur);
 782                 break;
 783
 784         case LFUN_SECTION_SELECT: {
 785                 Buffer const & buf = *cur.buffer();
 786                 pit_type const pit = cur.pit();
 787                 ParagraphList & pars = buf.text().paragraphs();
 788                 ParagraphList::iterator bgn = pars.begin();
 789                 // The first paragraph of the area to be selected:
 790                 ParagraphList::iterator start = boost::next(bgn, pit);
 791                 // The final paragraph of area to be selected:
 792                 ParagraphList::iterator finish = start;
 793                 ParagraphList::iterator end = pars.end();
 794
 795                 int const thistoclevel = start->layout().toclevel;
 796                 if (thistoclevel == Layout::NOT_IN_TOC)
 797                         break;
 798
 799                 cur.pos() = 0;
 800                 Cursor const old_cur = cur;
 801                 needsUpdate |= cur.selHandle(true);
 802
 803                 // Move out (down) from this section header
 804                 if (finish != end)
 805                         ++finish;
 806
 807                 // Seek the one (on same level) below
 808                 for (; finish != end; ++finish, ++cur.pit()) {
 809                         int const toclevel = finish->layout().toclevel;
 810                         if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 811                                 break;
 812                 }
 813                 cur.pos() = cur.lastpos();
 814
 815                 needsUpdate |= cur != old_cur;
 816                 break;
 817         }
 818
 819         case LFUN_WORD_RIGHT:
 820         case LFUN_WORD_RIGHT_SELECT:
 821                 if (lyxrc.visual_cursor) {
 822                         needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_RIGHT_SELECT);
 823                         needsUpdate |= cursorVisRightOneWord(cur);
 824                         if (!needsUpdate && oldTopSlice == cur.top()
 825                                         && cur.boundary() == oldBoundary) {
 826                                 cur.undispatched();
 827                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 828                         }
 829                 } else {
 830                         if (reverseDirectionNeeded(cur)) {
 831                                 cmd.setAction(cmd.action() == LFUN_WORD_RIGHT_SELECT ?
 832                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD);
 833                         } else {
 834                                 cmd.setAction(cmd.action() == LFUN_WORD_RIGHT_SELECT ?
 835                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD);
 836                         }
 837                         dispatch(cur, cmd);
 838                         return;
 839                 }
 840                 break;
 841
 842         case LFUN_WORD_FORWARD:
 843         case LFUN_WORD_FORWARD_SELECT:
 844                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_FORWARD_SELECT);
 845                 needsUpdate |= cursorForwardOneWord(cur);
 846
 847                 if (!needsUpdate && oldTopSlice == cur.top()
 848                                 && cur.boundary() == oldBoundary) {
 849                         cur.undispatched();
 850                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 851
 852                         // we will probably be moving out the inset, so we should execute
 853                         // the depm-mechanism, but only when the cursor has a place to
 854                         // go outside this inset, i.e. in a slice above.
 855                         if (cur.depth() > 1 && cur.pos() == cur.lastpos()
 856                                   && cur.pit() == cur.lastpit()) {
 857                                 // The cursor hasn't changed yet. To give the
 858                                 // DEPM the possibility of doing something we must
 859                                 // provide it with two different cursors.
 860                                 Cursor dummy = cur;
 861                                 dummy.pos() = dummy.pit() = 0;
 862                                 if (cur.bv().checkDepm(dummy, cur)) {
 863                                         cur.forceBufferUpdate();
 864                                         // DEPM may have requested a screen update
 865                                         cur.screenUpdateFlags(
 866                                                 cur.screenUpdate() | dummy.screenUpdate());
 867                                 }
 868                         }
 869                 }
 870                 break;
 871
 872         case LFUN_WORD_LEFT:
 873         case LFUN_WORD_LEFT_SELECT:
 874                 if (lyxrc.visual_cursor) {
 875                         needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_LEFT_SELECT);
 876                         needsUpdate |= cursorVisLeftOneWord(cur);
 877                         if (!needsUpdate && oldTopSlice == cur.top()
 878                                         && cur.boundary() == oldBoundary) {
 879                                 cur.undispatched();
 880                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 881                         }
 882                 } else {
 883                         if (reverseDirectionNeeded(cur)) {
 884                                 cmd.setAction(cmd.action() == LFUN_WORD_LEFT_SELECT ?
 885                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD);
 886                         } else {
 887                                 cmd.setAction(cmd.action() == LFUN_WORD_LEFT_SELECT ?
 888                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD);
 889                         }
 890                         dispatch(cur, cmd);
 891                         return;
 892                 }
 893                 break;
 894
 895         case LFUN_WORD_BACKWARD:
 896         case LFUN_WORD_BACKWARD_SELECT:
 897                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_BACKWARD_SELECT);
 898                 needsUpdate |= cursorBackwardOneWord(cur);
 899
 900                 if (!needsUpdate && oldTopSlice == cur.top()
 901                                 && cur.boundary() == oldBoundary) {
 902                         cur.undispatched();
 903                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 904
 905                         // we will probably be moving out the inset, so we should execute
 906                         // the depm-mechanism, but only when the cursor has a place to
 907                         // go outside this inset, i.e. in a slice above.
 908                         if (cur.depth() > 1 && cur.pos() == 0
 909                                   && cur.pit() == 0) {
 910                                 // The cursor hasn't changed yet. To give the
 911                                 // DEPM the possibility of doing something we must
 912                                 // provide it with two different cursors.
 913                                 Cursor dummy = cur;
 914                                 dummy.pos() = cur.lastpos();
 915                                 dummy.pit() = cur.lastpit();
 916                                 if (cur.bv().checkDepm(dummy, cur)) {
 917                                         cur.forceBufferUpdate();
 918                                         // DEPM may have requested a screen update
 919                                         cur.screenUpdateFlags(
 920                                                 cur.screenUpdate() | dummy.screenUpdate());
 921                                 }
 922                         }
 923                 }
 924                 break;
 925
 926         case LFUN_WORD_SELECT: {
 927                 selectWord(cur, WHOLE_WORD);
 928                 finishChange(cur, true);
 929                 break;
 930         }
 931
 932         case LFUN_NEWLINE_INSERT: {
 933                 InsetNewlineParams inp;
 934                 docstring arg = cmd.argument();
 935                 // this avoids a double undo
 936                 // FIXME: should not be needed, ideally
 937                 if (!cur.selection())
 938                         cur.recordUndo();
 939                 cap::replaceSelection(cur);
 940                 if (arg == "linebreak")
 941                         inp.kind = InsetNewlineParams::LINEBREAK;
 942                 else
 943                         inp.kind = InsetNewlineParams::NEWLINE;
 944                 cur.insert(new InsetNewline(inp));
 945                 cur.posForward();
 946                 moveCursor(cur, false);
 947                 break;
 948         }
 949
 950         case LFUN_TAB_INSERT: {
 951                 bool const multi_par_selection = cur.selection() &&
 952                         cur.selBegin().pit() != cur.selEnd().pit();
 953                 if (multi_par_selection) {
 954                         // If there is a multi-paragraph selection, a tab is inserted
 955                         // at the beginning of each paragraph.
 956                         cur.recordUndoSelection();
 957                         pit_type const pit_end = cur.selEnd().pit();
 958                         for (pit_type pit = cur.selBegin().pit(); pit <= pit_end; pit++) {
 959                                 pars_[pit].insertChar(0, '\t',
 960                                                       bv->buffer().params().trackChanges);
 961                                 // Update the selection pos to make sure the selection does not
 962                                 // change as the inserted tab will increase the logical pos.
 963                                 if (cur.realAnchor().pit() == pit)
 964                                         cur.realAnchor().forwardPos();
 965                                 if (cur.pit() == pit)
 966                                         cur.forwardPos();
 967                         }
 968                         cur.finishUndo();
 969                 } else {
 970                         // Maybe we shouldn't allow tabs within a line, because they
 971                         // are not (yet) aligned as one might do expect.
 972                         FuncRequest cmd(LFUN_SELF_INSERT, from_ascii("\t"));
 973                         dispatch(cur, cmd);
 974                 }
 975                 break;
 976         }
 977
 978         case LFUN_TAB_DELETE: {
 979                 bool const tc = bv->buffer().params().trackChanges;
 980                 if (cur.selection()) {
 981                         // If there is a selection, a tab (if present) is removed from
 982                         // the beginning of each paragraph.
 983                         cur.recordUndoSelection();
 984                         pit_type const pit_end = cur.selEnd().pit();
 985                         for (pit_type pit = cur.selBegin().pit(); pit <= pit_end; pit++) {
 986                                 Paragraph & par = paragraphs()[pit];
 987                                 if (par.empty())
 988                                         continue;
 989                                 char_type const c = par.getChar(0);
 990                                 if (c == '\t' || c == ' ') {
 991                                         // remove either 1 tab or 4 spaces.
 992                                         int const n = (c == ' ' ? 4 : 1);
 993                                         for (int i = 0; i < n
 994                                                   && !par.empty() && par.getChar(0) == c; ++i) {
 995                                                 if (cur.pit() == pit)
 996                                                         cur.posBackward();
 997                                                 if (cur.realAnchor().pit() == pit
 998                                                           && cur.realAnchor().pos() > 0 )
 999                                                         cur.realAnchor().backwardPos();
1000                                                 par.eraseChar(0, tc);
1001                                         }
1002                                 }
1003                         }
1004                         cur.finishUndo();
1005                 } else {
1006                         // If there is no selection, try to remove a tab or some spaces
1007                         // before the position of the cursor.
1008                         Paragraph & par = paragraphs()[cur.pit()];
1009                         pos_type const pos = cur.pos();
1010
1011                         if (pos == 0)
1012                                 break;
1013
1014                         char_type const c = par.getChar(pos - 1);
1015                         cur.recordUndo();
1016                         if (c == '\t') {
1017                                 cur.posBackward();
1018                                 par.eraseChar(cur.pos(), tc);
1019                         } else
1020                                 for (int n_spaces = 0;
1021                                      cur.pos() > 0
1022                                              && par.getChar(cur.pos() - 1) == ' '
1023                                              && n_spaces < 4;
1024                                      ++n_spaces) {
1025                                         cur.posBackward();
1026                                         par.eraseChar(cur.pos(), tc);
1027                                 }
1028                         cur.finishUndo();
1029                 }
1030                 break;
1031         }
1032
1033         case LFUN_CHAR_DELETE_FORWARD:
1034                 if (!cur.selection()) {
1035                         if (cur.pos() == cur.paragraph().size())
1036                                 // Par boundary, force full-screen update
1037                                 singleParUpdate = false;
1038                         needsUpdate |= erase(cur);
1039                         cur.resetAnchor();
1040                         // It is possible to make it a lot faster still
1041                         // just comment out the line below...
1042                 } else {
1043                         cutSelection(cur, true, false);
1044                         singleParUpdate = false;
1045                 }
1046                 moveCursor(cur, false);
1047                 break;
1048
1049         case LFUN_CHAR_DELETE_BACKWARD:
1050                 if (!cur.selection()) {
1051                         if (bv->getIntl().getTransManager().backspace()) {
1052                                 // Par boundary, full-screen update
1053                                 if (cur.pos() == 0)
1054                                         singleParUpdate = false;
1055                                 needsUpdate |= backspace(cur);
1056                                 cur.resetAnchor();
1057                                 // It is possible to make it a lot faster still
1058                                 // just comment out the line below...
1059                         }
1060                 } else {
1061                         cutSelection(cur, true, false);
1062                         singleParUpdate = false;
1063                 }
1064                 break;
1065
1066         case LFUN_BREAK_PARAGRAPH:
1067                 cap::replaceSelection(cur);
1068                 breakParagraph(cur, cmd.argument() == "inverse");
1069                 cur.resetAnchor();
1070                 break;
1071
1072         case LFUN_INSET_INSERT: {
1073                 cur.recordUndo();
1074
1075                 // We have to avoid triggering InstantPreview loading
1076                 // before inserting into the document. See bug #5626.
1077                 bool loaded = bv->buffer().isFullyLoaded();
1078                 bv->buffer().setFullyLoaded(false);
1079                 Inset * inset = createInset(&bv->buffer(), cmd);
1080                 bv->buffer().setFullyLoaded(loaded);
1081
1082                 if (inset) {
1083                         // FIXME (Abdel 01/02/2006):
1084                         // What follows would be a partial fix for bug 2154:
1085                         //   http://www.lyx.org/trac/ticket/2154
1086                         // This automatically put the label inset _after_ a
1087                         // numbered section. It should be possible to extend the mechanism
1088                         // to any kind of LateX environement.
1089                         // The correct way to fix that bug would be at LateX generation.
1090                         // I'll let the code here for reference as it could be used for some
1091                         // other feature like "automatic labelling".
1092                         /*
1093                         Paragraph & par = pars_[cur.pit()];
1094                         if (inset->lyxCode() == LABEL_CODE
1095                                 && par.layout().labeltype == LABEL_COUNTER) {
1096                                 // Go to the end of the paragraph
1097                                 // Warning: Because of Change-Tracking, the last
1098                                 // position is 'size()' and not 'size()-1':
1099                                 cur.pos() = par.size();
1100                                 // Insert a new paragraph
1101                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
1102                                 dispatch(cur, fr);
1103                         }
1104                         */
1105                         if (cur.selection())
1106                                 cutSelection(cur, true, false);
1107                         cur.insert(inset);
1108                         if (inset->editable() && inset->asInsetText())
1109                                 inset->edit(cur, true);
1110                         else
1111                                 cur.posForward();
1112
1113                         // trigger InstantPreview now
1114                         if (inset->lyxCode() == EXTERNAL_CODE) {
1115                                 InsetExternal & ins =
1116                                         static_cast<InsetExternal &>(*inset);
1117                                 ins.updatePreview();
1118                         }
1119                 }
1120
1121                 break;
1122         }
1123
1124         case LFUN_INSET_DISSOLVE: {
1125                 if (dissolveInset(cur)) {
1126                         needsUpdate = true;
1127                         cur.forceBufferUpdate();
1128                 }
1129                 break;
1130         }
1131
1132         case LFUN_SET_GRAPHICS_GROUP: {
1133                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
1134                 if (!ins)
1135                         break;
1136
1137                 cur.recordUndo();
1138
1139                 string id = to_utf8(cmd.argument());
1140                 string grp = graphics::getGroupParams(bv->buffer(), id);
1141                 InsetGraphicsParams tmp, inspar = ins->getParams();
1142
1143                 if (id.empty())
1144                         inspar.groupId = to_utf8(cmd.argument());
1145                 else {
1146                         InsetGraphics::string2params(grp, bv->buffer(), tmp);
1147                         tmp.filename = inspar.filename;
1148                         inspar = tmp;
1149                 }
1150
1151                 ins->setParams(inspar);
1152         }
1153
1154         case LFUN_SPACE_INSERT:
1155                 if (cur.paragraph().layout().free_spacing)
1156                         insertChar(cur, ' ');
1157                 else {
1158                         doInsertInset(cur, this, cmd, false, false);
1159                         cur.posForward();
1160                 }
1161                 moveCursor(cur, false);
1162                 break;
1163
1164         case LFUN_SPECIALCHAR_INSERT: {
1165                 string const name = to_utf8(cmd.argument());
1166                 if (name == "hyphenation")
1167                         specialChar(cur, InsetSpecialChar::HYPHENATION);
1168                 else if (name == "ligature-break")
1169                         specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
1170                 else if (name == "slash")
1171                         specialChar(cur, InsetSpecialChar::SLASH);
1172                 else if (name == "nobreakdash")
1173                         specialChar(cur, InsetSpecialChar::NOBREAKDASH);
1174                 else if (name == "dots")
1175                         specialChar(cur, InsetSpecialChar::LDOTS);
1176                 else if (name == "end-of-sentence")
1177                         specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
1178                 else if (name == "menu-separator")
1179                         specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
1180                 else if (name.empty())
1181                         lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
1182                 else
1183                         lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
1184                 break;
1185         }
1186
1187         case LFUN_IPAMACRO_INSERT: {
1188                 string const arg = cmd.getArg(0);
1189                 if (arg == "deco") {
1190                         // Open the inset, and move the current selection
1191                         // inside it.
1192                         doInsertInset(cur, this, cmd, true, true);
1193                         cur.posForward();
1194                         // Some insets are numbered, others are shown in the outline pane so
1195                         // let's update the labels and the toc backend.
1196                         cur.forceBufferUpdate();
1197                         break;
1198                 }
1199                 if (arg == "tone-falling")
1200                         ipaChar(cur, InsetIPAChar::TONE_FALLING);
1201                 else if (arg == "tone-rising")
1202                         ipaChar(cur, InsetIPAChar::TONE_RISING);
1203                 else if (arg == "tone-high-rising")
1204                         ipaChar(cur, InsetIPAChar::TONE_HIGH_RISING);
1205                 else if (arg == "tone-low-rising")
1206                         ipaChar(cur, InsetIPAChar::TONE_LOW_RISING);
1207                 else if (arg == "tone-high-rising-falling")
1208                         ipaChar(cur, InsetIPAChar::TONE_HIGH_RISING_FALLING);
1209                 else if (arg.empty())
1210                         lyxerr << "LyX function 'ipamacro-insert' needs an argument." << endl;
1211                 else
1212                         lyxerr << "Wrong argument for LyX function 'ipamacro-insert'." << endl;
1213                 break;
1214         }
1215
1216         case LFUN_WORD_UPCASE:
1217                 changeCase(cur, text_uppercase);
1218                 break;
1219
1220         case LFUN_WORD_LOWCASE:
1221                 changeCase(cur, text_lowercase);
1222                 break;
1223
1224         case LFUN_WORD_CAPITALIZE:
1225                 changeCase(cur, text_capitalization);
1226                 break;
1227
1228         case LFUN_CHARS_TRANSPOSE:
1229                 charsTranspose(cur);
1230                 break;
1231
1232         case LFUN_PASTE: {
1233                 cur.message(_("Paste"));
1234                 LASSERT(cur.selBegin().idx() == cur.selEnd().idx(), /**/);
1235                 cap::replaceSelection(cur);
1236
1237                 // without argument?
1238                 string const arg = to_utf8(cmd.argument());
1239                 if (arg.empty()) {
1240                         if (theClipboard().isInternal())
1241                                 pasteFromStack(cur, bv->buffer().errorList("Paste"), 0);
1242                         else if (theClipboard().hasGraphicsContents()
1243                                      && !theClipboard().hasTextContents())
1244                                 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"));
1245                         else
1246                                 pasteClipboardText(cur, bv->buffer().errorList("Paste"));
1247                 } else if (isStrUnsignedInt(arg)) {
1248                         // we have a numerical argument
1249                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
1250                                        convert<unsigned int>(arg));
1251                 } else {
1252                         Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
1253                         if (arg == "pdf")
1254                                 type = Clipboard::PdfGraphicsType;
1255                         else if (arg == "png")
1256                                 type = Clipboard::PngGraphicsType;
1257                         else if (arg == "jpeg")
1258                                 type = Clipboard::JpegGraphicsType;
1259                         else if (arg == "linkback")
1260                                 type = Clipboard::LinkBackGraphicsType;
1261                         else if (arg == "emf")
1262                                 type = Clipboard::EmfGraphicsType;
1263                         else if (arg == "wmf")
1264                                 type = Clipboard::WmfGraphicsType;
1265
1266                         else
1267                                 LASSERT(false, /**/);
1268
1269                         pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
1270                 }
1271
1272                 bv->buffer().errors("Paste");
1273                 cur.clearSelection(); // bug 393
1274                 cur.finishUndo();
1275                 break;
1276         }
1277
1278         case LFUN_CUT:
1279                 cutSelection(cur, true, true);
1280                 cur.message(_("Cut"));
1281                 break;
1282
1283         case LFUN_COPY:
1284                 copySelection(cur);
1285                 cur.message(_("Copy"));
1286                 break;
1287
1288         case LFUN_SERVER_GET_XY:
1289                 cur.message(from_utf8(
1290                         convert<string>(tm->cursorX(cur.top(), cur.boundary()))
1291                         + ' ' + convert<string>(tm->cursorY(cur.top(), cur.boundary()))));
1292                 break;
1293
1294         case LFUN_SERVER_SET_XY: {
1295                 int x = 0;
1296                 int y = 0;
1297                 istringstream is(to_utf8(cmd.argument()));
1298                 is >> x >> y;
1299                 if (!is)
1300                         lyxerr << "SETXY: Could not parse coordinates in '"
1301                                << to_utf8(cmd.argument()) << endl;
1302                 else
1303                         tm->setCursorFromCoordinates(cur, x, y);
1304                 break;
1305         }
1306
1307         case LFUN_SERVER_GET_LAYOUT:
1308                 cur.message(cur.paragraph().layout().name());
1309                 break;
1310
1311         case LFUN_LAYOUT: {
1312                 docstring layout = cmd.argument();
1313                 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
1314
1315                 Paragraph const & para = cur.paragraph();
1316                 docstring const old_layout = para.layout().name();
1317                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1318
1319                 if (layout.empty())
1320                         layout = tclass.defaultLayoutName();
1321
1322                 if (owner_->forcePlainLayout())
1323                         // in this case only the empty layout is allowed
1324                         layout = tclass.plainLayoutName();
1325                 else if (para.usePlainLayout()) {
1326                         // in this case, default layout maps to empty layout
1327                         if (layout == tclass.defaultLayoutName())
1328                                 layout = tclass.plainLayoutName();
1329                 } else {
1330                         // otherwise, the empty layout maps to the default
1331                         if (layout == tclass.plainLayoutName())
1332                                 layout = tclass.defaultLayoutName();
1333                 }
1334
1335                 bool hasLayout = tclass.hasLayout(layout);
1336
1337                 // If the entry is obsolete, use the new one instead.
1338                 if (hasLayout) {
1339                         docstring const & obs = tclass[layout].obsoleted_by();
1340                         if (!obs.empty())
1341                                 layout = obs;
1342                 }
1343
1344                 if (!hasLayout) {
1345                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
1346                                 from_utf8(N_(" not known")));
1347                         break;
1348                 }
1349
1350                 bool change_layout = (old_layout != layout);
1351
1352                 if (!change_layout && cur.selection() &&
1353                         cur.selBegin().pit() != cur.selEnd().pit())
1354                 {
1355                         pit_type spit = cur.selBegin().pit();
1356                         pit_type epit = cur.selEnd().pit() + 1;
1357                         while (spit != epit) {
1358                                 if (pars_[spit].layout().name() != old_layout) {
1359                                         change_layout = true;
1360                                         break;
1361                                 }
1362                                 ++spit;
1363                         }
1364                 }
1365
1366                 if (change_layout)
1367                         setLayout(cur, layout);
1368
1369                 break;
1370         }
1371
1372         case LFUN_CLIPBOARD_PASTE:
1373                 cap::replaceSelection(cur);
1374                 pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1375                                cmd.argument() == "paragraph");
1376                 bv->buffer().errors("Paste");
1377                 break;
1378
1379         case LFUN_CLIPBOARD_PASTE_SIMPLE:
1380                 cap::replaceSelection(cur);
1381                 pasteSimpleText(cur, cmd.argument() == "paragraph");
1382                 break;
1383
1384         case LFUN_PRIMARY_SELECTION_PASTE:
1385                 cap::replaceSelection(cur);
1386                 pasteString(cur, theSelection().get(),
1387                             cmd.argument() == "paragraph");
1388                 break;
1389
1390         case LFUN_SELECTION_PASTE:
1391                 // Copy the selection buffer to the clipboard stack,
1392                 // because we want it to appear in the "Edit->Paste
1393                 // recent" menu.
1394                 cap::replaceSelection(cur);
1395                 cap::copySelectionToStack();
1396                 cap::pasteSelection(bv->cursor(), bv->buffer().errorList("Paste"));
1397                 bv->buffer().errors("Paste");
1398                 break;
1399
1400         case LFUN_UNICODE_INSERT: {
1401                 if (cmd.argument().empty())
1402                         break;
1403                 docstring hexstring = cmd.argument();
1404                 if (isHex(hexstring)) {
1405                         char_type c = hexToInt(hexstring);
1406                         if (c >= 32 && c < 0x10ffff) {
1407                                 lyxerr << "Inserting c: " << c << endl;
1408                                 docstring s = docstring(1, c);
1409                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1410                         }
1411                 }
1412                 break;
1413         }
1414
1415         case LFUN_QUOTE_INSERT: {
1416                 // this avoids a double undo
1417                 // FIXME: should not be needed, ideally
1418                 if (!cur.selection())
1419                         cur.recordUndo();
1420                 cap::replaceSelection(cur);
1421
1422                 Paragraph const & par = cur.paragraph();
1423                 pos_type pos = cur.pos();
1424
1425                 BufferParams const & bufparams = bv->buffer().params();
1426                 bool const hebrew =
1427                         par.getFontSettings(bufparams, pos).language()->lang() == "hebrew";
1428                 bool const allow_inset_quote = !(par.isPassThru() || hebrew);
1429
1430                 if (allow_inset_quote) {
1431                         char_type c = ' ';
1432                         if (pos > 0 && (!cur.prevInset() || !cur.prevInset()->isSpace()))
1433                                 c = par.getChar(pos - 1);
1434                         string const arg = to_utf8(cmd.argument());
1435                         InsetQuotes::QuoteTimes const quote_type = (arg == "single")
1436                                 ? InsetQuotes::SingleQuotes : InsetQuotes::DoubleQuotes;
1437                         cur.insert(new InsetQuotes(cur.buffer(), c, quote_type));
1438                         cur.posForward();
1439                 } else {
1440                         // The cursor might have been invalidated by the replaceSelection.
1441                         cur.buffer()->changed(true);
1442                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1443                 }
1444                 break;
1445         }
1446
1447         case LFUN_DATE_INSERT: {
1448                 string const format = cmd.argument().empty()
1449                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1450                 string const time = formatted_time(current_time(), format);
1451                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1452                 break;
1453         }
1454
1455         case LFUN_MOUSE_TRIPLE:
1456                 if (cmd.button() == mouse_button::button1) {
1457                         tm->cursorHome(cur);
1458                         cur.resetAnchor();
1459                         tm->cursorEnd(cur);
1460                         cur.setSelection();
1461                         bv->cursor() = cur;
1462                 }
1463                 break;
1464
1465         case LFUN_MOUSE_DOUBLE:
1466                 if (cmd.button() == mouse_button::button1) {
1467                         selectWord(cur, WHOLE_WORD_STRICT);
1468                         bv->cursor() = cur;
1469                 }
1470                 break;
1471
1472         // Single-click on work area
1473         case LFUN_MOUSE_PRESS: {
1474                 // We are not marking a selection with the keyboard in any case.
1475                 Cursor & bvcur = cur.bv().cursor();
1476                 bvcur.setMark(false);
1477                 switch (cmd.button()) {
1478                 case mouse_button::button1:
1479                         // Set the cursor
1480                         if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
1481                                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1482                         if (bvcur.wordSelection())
1483                                 selectWord(bvcur, WHOLE_WORD);
1484                         break;
1485
1486                 case mouse_button::button2:
1487                         // Middle mouse pasting.
1488                         bv->mouseSetCursor(cur);
1489                         lyx::dispatch(
1490                                 FuncRequest(LFUN_COMMAND_ALTERNATIVES,
1491                                             "selection-paste ; primary-selection-paste paragraph"));
1492                         cur.noScreenUpdate();
1493                         break;
1494
1495                 case mouse_button::button3: {
1496                         // Don't do anything if we right-click a
1497                         // selection, a context menu will popup.
1498                         if (bvcur.selection() && cur >= bvcur.selectionBegin()
1499                             && cur < bvcur.selectionEnd()) {
1500                                 cur.noScreenUpdate();
1501                                 return;
1502                         }
1503                         if (!bv->mouseSetCursor(cur, false))
1504                                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1505                         break;
1506                 }
1507
1508                 default:
1509                         break;
1510                 } // switch (cmd.button())
1511                 break;
1512         }
1513         case LFUN_MOUSE_MOTION: {
1514                 // Mouse motion with right or middle mouse do nothing for now.
1515                 if (cmd.button() != mouse_button::button1) {
1516                         cur.noScreenUpdate();
1517                         return;
1518                 }
1519                 // ignore motions deeper nested than the real anchor
1520                 Cursor & bvcur = cur.bv().cursor();
1521                 if (!bvcur.realAnchor().hasPart(cur)) {
1522                         cur.undispatched();
1523                         break;
1524                 }
1525                 CursorSlice old = bvcur.top();
1526
1527                 int const wh = bv->workHeight();
1528                 int const y = max(0, min(wh - 1, cmd.y()));
1529
1530                 tm->setCursorFromCoordinates(cur, cmd.x(), y);
1531                 cur.setTargetX(cmd.x());
1532                 if (cmd.y() >= wh)
1533                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1534                 else if (cmd.y() < 0)
1535                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1536                 // This is to allow jumping over large insets
1537                 if (cur.top() == old) {
1538                         if (cmd.y() >= wh)
1539                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1540                         else if (cmd.y() < 0)
1541                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1542                 }
1543                 // We continue with our existing selection or start a new one, so don't
1544                 // reset the anchor.
1545                 bvcur.setCursor(cur);
1546                 bvcur.setSelection(true);
1547                 if (cur.top() == old) {
1548                         // We didn't move one iota, so no need to update the screen.
1549                         cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1550                         //cur.noScreenUpdate();
1551                         return;
1552                 }
1553                 break;
1554         }
1555
1556         case LFUN_MOUSE_RELEASE:
1557                 switch (cmd.button()) {
1558                 case mouse_button::button1:
1559                         // Cursor was set at LFUN_MOUSE_PRESS or LFUN_MOUSE_MOTION time.
1560                         // If there is a new selection, update persistent selection;
1561                         // otherwise, single click does not clear persistent selection
1562                         // buffer.
1563                         if (cur.selection()) {
1564                                 // Finish selection. If double click,
1565                                 // cur is moved to the end of word by
1566                                 // selectWord but bvcur is current
1567                                 // mouse position.
1568                                 cur.bv().cursor().setSelection();
1569                                 // We might have removed an empty but drawn selection
1570                                 // (probably a margin)
1571                                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1572                         } else
1573                                 cur.noScreenUpdate();
1574                         // FIXME: We could try to handle drag and drop of selection here.
1575                         return;
1576
1577                 case mouse_button::button2:
1578                         // Middle mouse pasting is handled at mouse press time,
1579                         // see LFUN_MOUSE_PRESS.
1580                         cur.noScreenUpdate();
1581                         return;
1582
1583                 case mouse_button::button3:
1584                         // Cursor was set at LFUN_MOUSE_PRESS time.
1585                         // FIXME: If there is a selection we could try to handle a special
1586                         // drag & drop context menu.
1587                         cur.noScreenUpdate();
1588                         return;
1589
1590                 case mouse_button::none:
1591                 case mouse_button::button4:
1592                 case mouse_button::button5:
1593                         break;
1594                 } // switch (cmd.button())
1595
1596                 break;
1597
1598         case LFUN_SELF_INSERT: {
1599                 if (cmd.argument().empty())
1600                         break;
1601
1602                 // Automatically delete the currently selected
1603                 // text and replace it with what is being
1604                 // typed in now. Depends on lyxrc settings
1605                 // "auto_region_delete", which defaults to
1606                 // true (on).
1607
1608                 if (lyxrc.auto_region_delete && cur.selection())
1609                         cutSelection(cur, false, false);
1610
1611                 cur.clearSelection();
1612
1613                 docstring::const_iterator cit = cmd.argument().begin();
1614                 docstring::const_iterator const end = cmd.argument().end();
1615                 for (; cit != end; ++cit)
1616                         bv->translateAndInsert(*cit, this, cur);
1617
1618                 cur.resetAnchor();
1619                 moveCursor(cur, false);
1620                 cur.markNewWordPosition();
1621                 bv->bookmarkEditPosition();
1622                 break;
1623         }
1624
1625         case LFUN_HYPERLINK_INSERT: {
1626                 InsetCommandParams p(HYPERLINK_CODE);
1627                 docstring content;
1628                 if (cur.selection()) {
1629                         content = cur.selectionAsString(false);
1630                         cutSelection(cur, true, false);
1631                 }
1632                 p["target"] = (cmd.argument().empty()) ?
1633                         content : cmd.argument();
1634                 string const data = InsetCommand::params2string(p);
1635                 if (p["target"].empty()) {
1636                         bv->showDialog("href", data);
1637                 } else {
1638                         FuncRequest fr(LFUN_INSET_INSERT, data);
1639                         dispatch(cur, fr);
1640                 }
1641                 break;
1642         }
1643
1644         case LFUN_LABEL_INSERT: {
1645                 InsetCommandParams p(LABEL_CODE);
1646                 // Try to generate a valid label
1647                 p["name"] = (cmd.argument().empty()) ?
1648                         cur.getPossibleLabel() :
1649                         cmd.argument();
1650                 string const data = InsetCommand::params2string(p);
1651
1652                 if (cmd.argument().empty()) {
1653                         bv->showDialog("label", data);
1654                 } else {
1655                         FuncRequest fr(LFUN_INSET_INSERT, data);
1656                         dispatch(cur, fr);
1657                 }
1658                 break;
1659         }
1660
1661         case LFUN_INFO_INSERT: {
1662                 Inset * inset;
1663                 if (cmd.argument().empty() && cur.selection()) {
1664                         // if command argument is empty use current selection as parameter.
1665                         docstring ds = cur.selectionAsString(false);
1666                         cutSelection(cur, true, false);
1667                         FuncRequest cmd0(cmd, ds);
1668                         inset = createInset(cur.buffer(), cmd0);
1669                 } else {
1670                         inset = createInset(cur.buffer(), cmd);
1671                 }
1672                 if (!inset)
1673                         break;
1674                 cur.recordUndo();
1675                 insertInset(cur, inset);
1676                 cur.posForward();
1677                 break;
1678         }
1679         case LFUN_CAPTION_INSERT:
1680         case LFUN_FOOTNOTE_INSERT:
1681         case LFUN_NOTE_INSERT:
1682         case LFUN_FLEX_INSERT:
1683         case LFUN_BOX_INSERT:
1684         case LFUN_BRANCH_INSERT:
1685         case LFUN_PHANTOM_INSERT:
1686         case LFUN_ERT_INSERT:
1687         case LFUN_LISTING_INSERT:
1688         case LFUN_MARGINALNOTE_INSERT:
1689         case LFUN_ARGUMENT_INSERT:
1690         case LFUN_INDEX_INSERT:
1691         case LFUN_PREVIEW_INSERT:
1692         case LFUN_SCRIPT_INSERT:
1693         case LFUN_IPA_INSERT:
1694                 // Open the inset, and move the current selection
1695                 // inside it.
1696                 doInsertInset(cur, this, cmd, true, true);
1697                 cur.posForward();
1698                 // Some insets are numbered, others are shown in the outline pane so
1699                 // let's update the labels and the toc backend.
1700                 cur.forceBufferUpdate();
1701                 break;
1702
1703         case LFUN_TABULAR_INSERT:
1704                 // if there were no arguments, just open the dialog
1705                 if (doInsertInset(cur, this, cmd, false, true))
1706                         cur.posForward();
1707                 else
1708                         bv->showDialog("tabularcreate");
1709
1710                 break;
1711
1712         case LFUN_FLOAT_INSERT:
1713         case LFUN_FLOAT_WIDE_INSERT:
1714         case LFUN_WRAP_INSERT: {
1715                 // will some content be moved into the inset?
1716                 bool const content = cur.selection();
1717                 // does the content consist of multiple paragraphs?
1718                 bool const singlepar = (cur.selBegin().pit() == cur.selEnd().pit());
1719
1720                 doInsertInset(cur, this, cmd, true, true);
1721                 cur.posForward();
1722
1723                 // If some single-par content is moved into the inset,
1724                 // doInsertInset puts the cursor outside the inset.
1725                 // To insert the caption we put it back into the inset.
1726                 // FIXME cleanup doInsertInset to avoid such dances!
1727                 if (content && singlepar)
1728                         cur.backwardPos();
1729
1730                 ParagraphList & pars = cur.text()->paragraphs();
1731
1732                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1733
1734                 // add a separate paragraph for the caption inset
1735                 pars.push_back(Paragraph());
1736                 pars.back().setInsetOwner(&cur.text()->inset());
1737                 pars.back().setPlainOrDefaultLayout(tclass);
1738                 int cap_pit = pars.size() - 1;
1739
1740                 // if an empty inset was created, we create an additional empty
1741                 // paragraph at the bottom so that the user can choose where to put
1742                 // the graphics (or table).
1743                 if (!content) {
1744                         pars.push_back(Paragraph());
1745                         pars.back().setInsetOwner(&cur.text()->inset());
1746                         pars.back().setPlainOrDefaultLayout(tclass);
1747                 }
1748
1749                 // reposition the cursor to the caption
1750                 cur.pit() = cap_pit;
1751                 cur.pos() = 0;
1752                 // FIXME: This Text/Cursor dispatch handling is a mess!
1753                 // We cannot use Cursor::dispatch here it needs access to up to
1754                 // date metrics.
1755                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1756                 doInsertInset(cur, cur.text(), cmd_caption, true, false);
1757                 cur.forceBufferUpdate();
1758                 cur.screenUpdateFlags(Update::Force);
1759                 // FIXME: When leaving the Float (or Wrap) inset we should
1760                 // delete any empty paragraph left above or below the
1761                 // caption.
1762                 break;
1763         }
1764
1765         case LFUN_NOMENCL_INSERT: {
1766                 InsetCommandParams p(NOMENCL_CODE);
1767                 if (cmd.argument().empty())
1768                         p["symbol"] = bv->cursor().innerText()->getStringToIndex(bv->cursor());
1769                 else
1770                         p["symbol"] = cmd.argument();
1771                 string const data = InsetCommand::params2string(p);
1772                 bv->showDialog("nomenclature", data);
1773                 break;
1774         }
1775
1776         case LFUN_INDEX_PRINT: {
1777                 InsetCommandParams p(INDEX_PRINT_CODE);
1778                 if (cmd.argument().empty())
1779                         p["type"] = from_ascii("idx");
1780                 else
1781                         p["type"] = cmd.argument();
1782                 string const data = InsetCommand::params2string(p);
1783                 FuncRequest fr(LFUN_INSET_INSERT, data);
1784                 dispatch(cur, fr);
1785                 break;
1786         }
1787
1788         case LFUN_NOMENCL_PRINT:
1789         case LFUN_NEWPAGE_INSERT:
1790                 // do nothing fancy
1791                 doInsertInset(cur, this, cmd, false, false);
1792                 cur.posForward();
1793                 break;
1794
1795         case LFUN_DEPTH_DECREMENT:
1796                 changeDepth(cur, DEC_DEPTH);
1797                 break;
1798
1799         case LFUN_DEPTH_INCREMENT:
1800                 changeDepth(cur, INC_DEPTH);
1801                 break;
1802
1803         case LFUN_MATH_DISPLAY:
1804                 mathDispatch(cur, cmd, true);
1805                 break;
1806
1807         case LFUN_REGEXP_MODE:
1808                 regexpDispatch(cur, cmd);
1809                 break;
1810
1811         case LFUN_MATH_MODE:
1812                 if (cmd.argument() == "on")
1813                         // don't pass "on" as argument
1814                         // (it would appear literally in the first cell)
1815                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1816                 else
1817                         mathDispatch(cur, cmd, false);
1818                 break;
1819
1820         case LFUN_MATH_MACRO:
1821                 if (cmd.argument().empty())
1822                         cur.errorMessage(from_utf8(N_("Missing argument")));
1823                 else {
1824                         cur.recordUndo();
1825                         string s = to_utf8(cmd.argument());
1826                         string const s1 = token(s, ' ', 1);
1827                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1828                         string const s2 = token(s, ' ', 2);
1829                         MacroType type = MacroTypeNewcommand;
1830                         if (s2 == "def")
1831                                 type = MacroTypeDef;
1832                         MathMacroTemplate * inset = new MathMacroTemplate(cur.buffer(),
1833                                 from_utf8(token(s, ' ', 0)), nargs, false, type);
1834                         inset->setBuffer(bv->buffer());
1835                         insertInset(cur, inset);
1836
1837                         // enter macro inset and select the name
1838                         cur.push(*inset);
1839                         cur.top().pos() = cur.top().lastpos();
1840                         cur.resetAnchor();
1841                         cur.setSelection(true);
1842                         cur.top().pos() = 0;
1843                 }
1844                 break;
1845
1846         // passthrough hat and underscore outside mathed:
1847         case LFUN_MATH_SUBSCRIPT:
1848                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1849                 break;
1850         case LFUN_MATH_SUPERSCRIPT:
1851                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1852                 break;
1853
1854         case LFUN_MATH_INSERT:
1855         case LFUN_MATH_AMS_MATRIX:
1856         case LFUN_MATH_MATRIX:
1857         case LFUN_MATH_DELIM:
1858         case LFUN_MATH_BIGDELIM: {
1859                 cur.recordUndo();
1860                 cap::replaceSelection(cur);
1861                 cur.insert(new InsetMathHull(cur.buffer(), hullSimple));
1862                 checkAndActivateInset(cur, true);
1863                 LASSERT(cur.inMathed(), /**/);
1864                 cur.dispatch(cmd);
1865                 break;
1866         }
1867
1868         case LFUN_FONT_EMPH: {
1869                 Font font(ignore_font, ignore_language);
1870                 font.fontInfo().setEmph(FONT_TOGGLE);
1871                 toggleAndShow(cur, this, font);
1872                 break;
1873         }
1874
1875         case LFUN_FONT_ITAL: {
1876                 Font font(ignore_font, ignore_language);
1877                 font.fontInfo().setShape(ITALIC_SHAPE);
1878                 toggleAndShow(cur, this, font);
1879                 break;
1880         }
1881
1882         case LFUN_FONT_BOLD:
1883         case LFUN_FONT_BOLDSYMBOL: {
1884                 Font font(ignore_font, ignore_language);
1885                 font.fontInfo().setSeries(BOLD_SERIES);
1886                 toggleAndShow(cur, this, font);
1887                 break;
1888         }
1889
1890         case LFUN_FONT_NOUN: {
1891                 Font font(ignore_font, ignore_language);
1892                 font.fontInfo().setNoun(FONT_TOGGLE);
1893                 toggleAndShow(cur, this, font);
1894                 break;
1895         }
1896
1897         case LFUN_FONT_TYPEWRITER: {
1898                 Font font(ignore_font, ignore_language);
1899                 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
1900                 toggleAndShow(cur, this, font);
1901                 break;
1902         }
1903
1904         case LFUN_FONT_SANS: {
1905                 Font font(ignore_font, ignore_language);
1906                 font.fontInfo().setFamily(SANS_FAMILY);
1907                 toggleAndShow(cur, this, font);
1908                 break;
1909         }
1910
1911         case LFUN_FONT_ROMAN: {
1912                 Font font(ignore_font, ignore_language);
1913                 font.fontInfo().setFamily(ROMAN_FAMILY);
1914                 toggleAndShow(cur, this, font);
1915                 break;
1916         }
1917
1918         case LFUN_FONT_DEFAULT: {
1919                 Font font(inherit_font, ignore_language);
1920                 toggleAndShow(cur, this, font);
1921                 break;
1922         }
1923
1924         case LFUN_FONT_STRIKEOUT: {
1925                 Font font(ignore_font, ignore_language);
1926                 font.fontInfo().setStrikeout(FONT_TOGGLE);
1927                 toggleAndShow(cur, this, font);
1928                 break;
1929         }
1930
1931         case LFUN_FONT_UULINE: {
1932                 Font font(ignore_font, ignore_language);
1933                 font.fontInfo().setUuline(FONT_TOGGLE);
1934                 toggleAndShow(cur, this, font);
1935                 break;
1936         }
1937
1938         case LFUN_FONT_UWAVE: {
1939                 Font font(ignore_font, ignore_language);
1940                 font.fontInfo().setUwave(FONT_TOGGLE);
1941                 toggleAndShow(cur, this, font);
1942                 break;
1943         }
1944
1945         case LFUN_FONT_UNDERLINE: {
1946                 Font font(ignore_font, ignore_language);
1947                 font.fontInfo().setUnderbar(FONT_TOGGLE);
1948                 toggleAndShow(cur, this, font);
1949                 break;
1950         }
1951
1952         case LFUN_FONT_SIZE: {
1953                 Font font(ignore_font, ignore_language);
1954                 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
1955                 toggleAndShow(cur, this, font);
1956                 break;
1957         }
1958
1959         case LFUN_LANGUAGE: {
1960                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1961                 if (!lang)
1962                         break;
1963                 selectWordWhenUnderCursor(cur, WHOLE_WORD_STRICT);
1964                 Font font(ignore_font, lang);
1965                 toggleAndShow(cur, this, font, false);
1966                 break;
1967         }
1968
1969         case LFUN_TEXTSTYLE_APPLY:
1970                 toggleAndShow(cur, this, freefont, toggleall);
1971                 cur.message(_("Character set"));
1972                 break;
1973
1974         // Set the freefont using the contents of \param data dispatched from
1975         // the frontends and apply it at the current cursor location.
1976         case LFUN_TEXTSTYLE_UPDATE: {
1977                 Font font;
1978                 bool toggle;
1979                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1980                         freefont = font;
1981                         toggleall = toggle;
1982                         toggleAndShow(cur, this, freefont, toggleall);
1983                         cur.message(_("Character set"));
1984                 } else {
1985                         lyxerr << "Argument not ok";
1986                 }
1987                 break;
1988         }
1989
1990         case LFUN_FINISHED_LEFT:
1991                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
1992                 // We're leaving an inset, going left. If the inset is LTR, we're
1993                 // leaving from the front, so we should not move (remain at --- but
1994                 // not in --- the inset). If the inset is RTL, move left, without
1995                 // entering the inset itself; i.e., move to after the inset.
1996                 if (cur.paragraph().getFontSettings(
1997                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1998                         cursorVisLeft(cur, true);
1999                 break;
2000
2001         case LFUN_FINISHED_RIGHT:
2002                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
2003                 // We're leaving an inset, going right. If the inset is RTL, we're
2004                 // leaving from the front, so we should not move (remain at --- but
2005                 // not in --- the inset). If the inset is LTR, move right, without
2006                 // entering the inset itself; i.e., move to after the inset.
2007                 if (!cur.paragraph().getFontSettings(
2008                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
2009                         cursorVisRight(cur, true);
2010                 break;
2011
2012         case LFUN_FINISHED_BACKWARD:
2013                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
2014                 break;
2015
2016         case LFUN_FINISHED_FORWARD:
2017                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
2018                 ++cur.pos();
2019                 cur.setCurrentFont();
2020                 break;
2021
2022         case LFUN_LAYOUT_PARAGRAPH: {
2023                 string data;
2024                 params2string(cur.paragraph(), data);
2025                 data = "show\n" + data;
2026                 bv->showDialog("paragraph", data);
2027                 break;
2028         }
2029
2030         case LFUN_PARAGRAPH_UPDATE: {
2031                 string data;
2032                 params2string(cur.paragraph(), data);
2033
2034                 // Will the paragraph accept changes from the dialog?
2035                 bool const accept =
2036                         cur.inset().allowParagraphCustomization(cur.idx());
2037
2038                 data = "update " + convert<string>(accept) + '\n' + data;
2039                 bv->updateDialog("paragraph", data);
2040                 break;
2041         }
2042
2043         case LFUN_ACCENT_UMLAUT:
2044         case LFUN_ACCENT_CIRCUMFLEX:
2045         case LFUN_ACCENT_GRAVE:
2046         case LFUN_ACCENT_ACUTE:
2047         case LFUN_ACCENT_TILDE:
2048         case LFUN_ACCENT_CEDILLA:
2049         case LFUN_ACCENT_MACRON:
2050         case LFUN_ACCENT_DOT:
2051         case LFUN_ACCENT_UNDERDOT:
2052         case LFUN_ACCENT_UNDERBAR:
2053         case LFUN_ACCENT_CARON:
2054         case LFUN_ACCENT_BREVE:
2055         case LFUN_ACCENT_TIE:
2056         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2057         case LFUN_ACCENT_CIRCLE:
2058         case LFUN_ACCENT_OGONEK:
2059                 theApp()->handleKeyFunc(cmd.action());
2060                 if (!cmd.argument().empty())
2061                         // FIXME: Are all these characters encoded in one byte in utf8?
2062                         bv->translateAndInsert(cmd.argument()[0], this, cur);
2063                 cur.screenUpdateFlags(Update::FitCursor);
2064                 break;
2065
2066         case LFUN_FLOAT_LIST_INSERT: {
2067                 DocumentClass const & tclass = bv->buffer().params().documentClass();
2068                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
2069                         cur.recordUndo();
2070                         if (cur.selection())
2071                                 cutSelection(cur, true, false);
2072                         breakParagraph(cur);
2073
2074                         if (cur.lastpos() != 0) {
2075                                 cursorBackward(cur);
2076                                 breakParagraph(cur);
2077                         }
2078
2079                         docstring const laystr = cur.inset().usePlainLayout() ?
2080                                 tclass.plainLayoutName() :
2081                                 tclass.defaultLayoutName();
2082                         setLayout(cur, laystr);
2083                         ParagraphParameters p;
2084                         // FIXME If this call were replaced with one to clearParagraphParams(),
2085                         // then we could get rid of this method altogether.
2086                         setParagraphs(cur, p);
2087                         // FIXME This should be simplified when InsetFloatList takes a
2088                         // Buffer in its constructor.
2089                         InsetFloatList * ifl = new InsetFloatList(cur.buffer(), to_utf8(cmd.argument()));
2090                         ifl->setBuffer(bv->buffer());
2091                         insertInset(cur, ifl);
2092                         cur.posForward();
2093                 } else {
2094                         lyxerr << "Non-existent float type: "
2095                                << to_utf8(cmd.argument()) << endl;
2096                 }
2097                 break;
2098         }
2099
2100         case LFUN_CHANGE_ACCEPT: {
2101                 acceptOrRejectChanges(cur, ACCEPT);
2102                 break;
2103         }
2104
2105         case LFUN_CHANGE_REJECT: {
2106                 acceptOrRejectChanges(cur, REJECT);
2107                 break;
2108         }
2109
2110         case LFUN_THESAURUS_ENTRY: {
2111                 docstring arg = cmd.argument();
2112                 if (arg.empty()) {
2113                         arg = cur.selectionAsString(false);
2114                         // FIXME
2115                         if (arg.size() > 100 || arg.empty()) {
2116                                 // Get word or selection
2117                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2118                                 arg = cur.selectionAsString(false);
2119                                 arg += " lang=" + from_ascii(cur.getFont().language()->lang());
2120                         }
2121                 }
2122                 bv->showDialog("thesaurus", to_utf8(arg));
2123                 break;
2124         }
2125
2126         case LFUN_SPELLING_ADD: {
2127                 docstring word = from_utf8(cmd.getArg(0));
2128                 Language * lang;
2129                 if (word.empty()) {
2130                         word = cur.selectionAsString(false);
2131                         // FIXME
2132                         if (word.size() > 100 || word.empty()) {
2133                                 // Get word or selection
2134                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2135                                 word = cur.selectionAsString(false);
2136                         }
2137                         lang = const_cast<Language *>(cur.getFont().language());
2138                 } else
2139                         lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
2140                 WordLangTuple wl(word, lang);
2141                 theSpellChecker()->insert(wl);
2142                 break;
2143         }
2144
2145         case LFUN_SPELLING_IGNORE: {
2146                 docstring word = from_utf8(cmd.getArg(0));
2147                 Language * lang;
2148                 if (word.empty()) {
2149                         word = cur.selectionAsString(false);
2150                         // FIXME
2151                         if (word.size() > 100 || word.empty()) {
2152                                 // Get word or selection
2153                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2154                                 word = cur.selectionAsString(false);
2155                         }
2156                         lang = const_cast<Language *>(cur.getFont().language());
2157                 } else
2158                         lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
2159                 WordLangTuple wl(word, lang);
2160                 theSpellChecker()->accept(wl);
2161                 break;
2162         }
2163
2164         case LFUN_SPELLING_REMOVE: {
2165                 docstring word = from_utf8(cmd.getArg(0));
2166                 Language * lang;
2167                 if (word.empty()) {
2168                         word = cur.selectionAsString(false);
2169                         // FIXME
2170                         if (word.size() > 100 || word.empty()) {
2171                                 // Get word or selection
2172                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2173                                 word = cur.selectionAsString(false);
2174                         }
2175                         lang = const_cast<Language *>(cur.getFont().language());
2176                 } else
2177                         lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
2178                 WordLangTuple wl(word, lang);
2179                 theSpellChecker()->remove(wl);
2180                 break;
2181         }
2182
2183         case LFUN_PARAGRAPH_PARAMS_APPLY: {
2184                 // Given data, an encoding of the ParagraphParameters
2185                 // generated in the Paragraph dialog, this function sets
2186                 // the current paragraph, or currently selected paragraphs,
2187                 // appropriately.
2188                 // NOTE: This function overrides all existing settings.
2189                 setParagraphs(cur, cmd.argument());
2190                 cur.message(_("Paragraph layout set"));
2191                 break;
2192         }
2193
2194         case LFUN_PARAGRAPH_PARAMS: {
2195                 // Given data, an encoding of the ParagraphParameters as we'd
2196                 // find them in a LyX file, this function modifies the current paragraph,
2197                 // or currently selected paragraphs.
2198                 // NOTE: This function only modifies, and does not override, existing
2199                 // settings.
2200                 setParagraphs(cur, cmd.argument(), true);
2201                 cur.message(_("Paragraph layout set"));
2202                 break;
2203         }
2204
2205         case LFUN_ESCAPE:
2206                 if (cur.selection()) {
2207                         cur.setSelection(false);
2208                 } else {
2209                         cur.undispatched();
2210                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
2211                         // correct, but I'm not 100% sure -- dov, 071019
2212                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
2213                 }
2214                 break;
2215
2216         case LFUN_OUTLINE_UP:
2217                 outline(OutlineUp, cur);
2218                 setCursor(cur, cur.pit(), 0);
2219                 cur.forceBufferUpdate();
2220                 needsUpdate = true;
2221                 break;
2222
2223         case LFUN_OUTLINE_DOWN:
2224                 outline(OutlineDown, cur);
2225                 setCursor(cur, cur.pit(), 0);
2226                 cur.forceBufferUpdate();
2227                 needsUpdate = true;
2228                 break;
2229
2230         case LFUN_OUTLINE_IN:
2231                 outline(OutlineIn, cur);
2232                 cur.forceBufferUpdate();
2233                 needsUpdate = true;
2234                 break;
2235
2236         case LFUN_OUTLINE_OUT:
2237                 outline(OutlineOut, cur);
2238                 cur.forceBufferUpdate();
2239                 needsUpdate = true;
2240                 break;
2241
2242         default:
2243                 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
2244                 cur.undispatched();
2245                 break;
2246         }
2247
2248         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
2249
2250         if (lyxrc.spellcheck_continuously && !needsUpdate) {
2251                 // Check for misspelled text
2252                 // The redraw is useful because of the painting of
2253                 // misspelled markers depends on the cursor position.
2254                 // Trigger a redraw for cursor moves inside misspelled text.
2255                 if (!cur.inTexted()) {
2256                         // move from regular text to math
2257                         needsUpdate = last_misspelled;
2258                 } else if (oldTopSlice != cur.top() || oldBoundary != cur.boundary()) {
2259                         // move inside regular text
2260                         needsUpdate = last_misspelled
2261                                 || cur.paragraph().isMisspelled(cur.pos(), true);
2262                 }
2263         }
2264
2265         // FIXME: The cursor flag is reset two lines below
2266         // so we need to check here if some of the LFUN did touch that.
2267         // for now only Text::erase() and Text::backspace() do that.
2268         // The plan is to verify all the LFUNs and then to remove this
2269         // singleParUpdate boolean altogether.
2270         if (cur.result().screenUpdate() & Update::Force) {
2271                 singleParUpdate = false;
2272                 needsUpdate = true;
2273         }
2274
2275         // FIXME: the following code should go in favor of fine grained
2276         // update flag treatment.
2277         if (singleParUpdate) {
2278                 // Inserting characters does not change par height in general. So, try
2279                 // to update _only_ this paragraph. BufferView will detect if a full
2280                 // metrics update is needed anyway.
2281                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
2282                 return;
2283         }
2284         if (!needsUpdate
2285             && &oldTopSlice.inset() == &cur.inset()
2286             && oldTopSlice.idx() == cur.idx()
2287             && !oldSelection // oldSelection is a backup of cur.selection() at the beginning of the function.
2288             && !cur.selection())
2289                 // FIXME: it would be better if we could just do this
2290                 //
2291                 //if (cur.result().update() != Update::FitCursor)
2292                 //      cur.noScreenUpdate();
2293                 //
2294                 // But some LFUNs do not set Update::FitCursor when needed, so we
2295                 // do it for all. This is not very harmfull as FitCursor will provoke
2296                 // a full redraw only if needed but still, a proper review of all LFUN
2297                 // should be done and this needsUpdate boolean can then be removed.
2298                 cur.screenUpdateFlags(Update::FitCursor);
2299         else
2300                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
2301 }
2302
2303
2304 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
2305                         FuncStatus & flag) const
2306 {
2307         LASSERT(cur.text() == this, /**/);
2308
2309         FontInfo const & fontinfo = cur.real_current_font.fontInfo();
2310         bool enable = true;
2311         InsetCode code = NO_CODE;
2312
2313         switch (cmd.action()) {
2314
2315         case LFUN_DEPTH_DECREMENT:
2316                 enable = changeDepthAllowed(cur, DEC_DEPTH);
2317                 break;
2318
2319         case LFUN_DEPTH_INCREMENT:
2320                 enable = changeDepthAllowed(cur, INC_DEPTH);
2321                 break;
2322
2323         case LFUN_APPENDIX:
2324                 // FIXME We really should not allow this to be put, e.g.,
2325                 // in a footnote, or in ERT. But it would make sense in a
2326                 // branch, so I'm not sure what to do.
2327                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
2328                 break;
2329
2330         case LFUN_DIALOG_SHOW_NEW_INSET:
2331                 if (cmd.argument() == "bibitem")
2332                         code = BIBITEM_CODE;
2333                 else if (cmd.argument() == "bibtex") {
2334                         code = BIBTEX_CODE;
2335                         // not allowed in description items
2336                         enable = !inDescriptionItem(cur);
2337                 }
2338                 else if (cmd.argument() == "box")
2339                         code = BOX_CODE;
2340                 else if (cmd.argument() == "branch")
2341                         code = BRANCH_CODE;
2342                 else if (cmd.argument() == "citation")
2343                         code = CITE_CODE;
2344                 else if (cmd.argument() == "ert")
2345                         code = ERT_CODE;
2346                 else if (cmd.argument() == "external")
2347                         code = EXTERNAL_CODE;
2348                 else if (cmd.argument() == "float")
2349                         code = FLOAT_CODE;
2350                 else if (cmd.argument() == "graphics")
2351                         code = GRAPHICS_CODE;
2352                 else if (cmd.argument() == "href")
2353                         code = HYPERLINK_CODE;
2354                 else if (cmd.argument() == "include")
2355                         code = INCLUDE_CODE;
2356                 else if (cmd.argument() == "index")
2357                         code = INDEX_CODE;
2358                 else if (cmd.argument() == "index_print")
2359                         code = INDEX_PRINT_CODE;
2360                 else if (cmd.argument() == "nomenclature")
2361                         code = NOMENCL_CODE;
2362                 else if (cmd.argument() == "nomencl_print")
2363                         code = NOMENCL_PRINT_CODE;
2364                 else if (cmd.argument() == "label")
2365                         code = LABEL_CODE;
2366                 else if (cmd.argument() == "line")
2367                         code = LINE_CODE;
2368                 else if (cmd.argument() == "note")
2369                         code = NOTE_CODE;
2370                 else if (cmd.argument() == "phantom")
2371                         code = PHANTOM_CODE;
2372                 else if (cmd.argument() == "ref")
2373                         code = REF_CODE;
2374                 else if (cmd.argument() == "space")
2375                         code = SPACE_CODE;
2376                 else if (cmd.argument() == "toc")
2377                         code = TOC_CODE;
2378                 else if (cmd.argument() == "vspace")
2379                         code = VSPACE_CODE;
2380                 else if (cmd.argument() == "wrap")
2381                         code = WRAP_CODE;
2382                 else if (cmd.argument() == "listings")
2383                         code = LISTINGS_CODE;
2384                 break;
2385
2386         case LFUN_ERT_INSERT:
2387                 code = ERT_CODE;
2388                 break;
2389         case LFUN_LISTING_INSERT:
2390                 code = LISTINGS_CODE;
2391                 // not allowed in description items
2392                 enable = !inDescriptionItem(cur);
2393                 break;
2394         case LFUN_FOOTNOTE_INSERT:
2395                 code = FOOT_CODE;
2396                 break;
2397         case LFUN_TABULAR_INSERT:
2398                 code = TABULAR_CODE;
2399                 break;
2400         case LFUN_MARGINALNOTE_INSERT:
2401                 code = MARGIN_CODE;
2402                 break;
2403         case LFUN_FLOAT_INSERT:
2404         case LFUN_FLOAT_WIDE_INSERT:
2405                 // FIXME: If there is a selection, we should check whether there
2406                 // are floats in the selection, but this has performance issues, see
2407                 // LFUN_CHANGE_ACCEPT/REJECT.
2408                 code = FLOAT_CODE;
2409                 if (inDescriptionItem(cur))
2410                         // not allowed in description items
2411                         enable = false;
2412                 else {
2413                         InsetCode const inset_code = cur.inset().lyxCode();
2414
2415                         // algorithm floats cannot be put in another float
2416                         if (to_utf8(cmd.argument()) == "algorithm") {
2417                                 enable = inset_code != WRAP_CODE && inset_code != FLOAT_CODE;
2418                                 break;
2419                         }
2420
2421                         // for figures and tables: only allow in another
2422                         // float or wrap if it is of the same type and
2423                         // not a subfloat already
2424                         if(cur.inset().lyxCode() == code) {
2425                                 InsetFloat const & ins =
2426                                         static_cast<InsetFloat const &>(cur.inset());
2427                                 enable = ins.params().type == to_utf8(cmd.argument())
2428                                         && !ins.params().subfloat;
2429                         } else if(cur.inset().lyxCode() == WRAP_CODE) {
2430                                 InsetWrap const & ins =
2431                                         static_cast<InsetWrap const &>(cur.inset());
2432                                 enable = ins.params().type == to_utf8(cmd.argument());
2433                         }
2434                 }
2435                 break;
2436         case LFUN_WRAP_INSERT:
2437                 code = WRAP_CODE;
2438                 // not allowed in description items
2439                 enable = !inDescriptionItem(cur);
2440                 break;
2441         case LFUN_FLOAT_LIST_INSERT: {
2442                 code = FLOAT_LIST_CODE;
2443                 // not allowed in description items
2444                 enable = !inDescriptionItem(cur);
2445                 if (enable) {
2446                         FloatList const & floats = cur.buffer()->params().documentClass().floats();
2447                         FloatList::const_iterator cit = floats[to_ascii(cmd.argument())];
2448                         // make sure we know about such floats
2449                         if (cit == floats.end() ||
2450                                         // and that we know how to generate a list of them
2451                             (!cit->second.usesFloatPkg() && cit->second.listCommand().empty())) {
2452                                 flag.setUnknown(true);
2453                                 // probably not necessary, but...
2454                                 enable = false;
2455                         }
2456                 }
2457                 break;
2458         }
2459         case LFUN_CAPTION_INSERT:
2460                 code = CAPTION_CODE;
2461                 // not allowed in description items
2462                 enable = !inDescriptionItem(cur);
2463                 break;
2464         case LFUN_NOTE_INSERT:
2465                 code = NOTE_CODE;
2466                 // in commands (sections etc.) and description items,
2467                 // only Notes are allowed
2468                 enable = (cmd.argument().empty() || cmd.getArg(0) == "Note" ||
2469                           (!cur.paragraph().layout().isCommand()
2470                            && !inDescriptionItem(cur)));
2471                 break;
2472         case LFUN_FLEX_INSERT: {
2473                 code = FLEX_CODE;
2474                 string s = cmd.getArg(0);
2475                 InsetLayout il =
2476                         cur.buffer()->params().documentClass().insetLayout(from_utf8(s));
2477                 if (il.lyxtype() != InsetLayout::CHARSTYLE &&
2478                     il.lyxtype() != InsetLayout::CUSTOM &&
2479                     il.lyxtype() != InsetLayout::ELEMENT &&
2480                     il.lyxtype ()!= InsetLayout::STANDARD)
2481                         enable = false;
2482                 break;
2483                 }
2484         case LFUN_BOX_INSERT:
2485                 code = BOX_CODE;
2486                 break;
2487         case LFUN_BRANCH_INSERT:
2488                 code = BRANCH_CODE;
2489                 if (cur.buffer()->masterBuffer()->params().branchlist().empty()
2490                     && cur.buffer()->params().branchlist().empty())
2491                         enable = false;
2492                 break;
2493         case LFUN_IPA_INSERT:
2494                 code = IPA_CODE;
2495                 break;
2496         case LFUN_PHANTOM_INSERT:
2497                 code = PHANTOM_CODE;
2498                 break;
2499         case LFUN_LABEL_INSERT:
2500                 code = LABEL_CODE;
2501                 break;
2502         case LFUN_INFO_INSERT:
2503                 code = INFO_CODE;
2504                 break;
2505         case LFUN_ARGUMENT_INSERT: {
2506                 code = ARG_CODE;
2507                 Layout const & lay = cur.paragraph().layout();
2508                 int const numargs = lay.reqargs + lay.optargs;
2509                 enable = cur.paragraph().insetList().count(ARG_CODE) < numargs;
2510                 break;
2511         }
2512         case LFUN_INDEX_INSERT:
2513                 code = INDEX_CODE;
2514                 break;
2515         case LFUN_INDEX_PRINT:
2516                 code = INDEX_PRINT_CODE;
2517                 // not allowed in description items
2518                 enable = !inDescriptionItem(cur);
2519                 break;
2520         case LFUN_NOMENCL_INSERT:
2521                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2522                         enable = false;
2523                         break;
2524                 }
2525                 code = NOMENCL_CODE;
2526                 break;
2527         case LFUN_NOMENCL_PRINT:
2528                 code = NOMENCL_PRINT_CODE;
2529                 // not allowed in description items
2530                 enable = !inDescriptionItem(cur);
2531                 break;
2532         case LFUN_HYPERLINK_INSERT:
2533                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2534                         enable = false;
2535                         break;
2536                 }
2537                 code = HYPERLINK_CODE;
2538                 break;
2539         case LFUN_IPAMACRO_INSERT: {
2540                 string const arg = cmd.getArg(0);
2541                 if (arg == "deco")
2542                         code = IPADECO_CODE;
2543                 else
2544                         code = IPACHAR_CODE;
2545                 break;
2546         }
2547         case LFUN_QUOTE_INSERT:
2548                 // always allow this, since we will inset a raw quote
2549                 // if an inset is not allowed.
2550                 break;
2551         case LFUN_SPECIALCHAR_INSERT:
2552                 code = SPECIALCHAR_CODE;
2553                 break;
2554         case LFUN_SPACE_INSERT:
2555                 // slight hack: we know this is allowed in math mode
2556                 if (cur.inTexted())
2557                         code = SPACE_CODE;
2558                 break;
2559         case LFUN_PREVIEW_INSERT:
2560                 code = PREVIEW_CODE;
2561                 break;
2562         case LFUN_SCRIPT_INSERT:
2563                 code = SCRIPT_CODE;
2564                 break;
2565
2566         case LFUN_MATH_INSERT:
2567         case LFUN_MATH_AMS_MATRIX:
2568         case LFUN_MATH_MATRIX:
2569         case LFUN_MATH_DELIM:
2570         case LFUN_MATH_BIGDELIM:
2571         case LFUN_MATH_DISPLAY:
2572         case LFUN_MATH_MODE:
2573         case LFUN_MATH_MACRO:
2574         case LFUN_MATH_SUBSCRIPT:
2575         case LFUN_MATH_SUPERSCRIPT:
2576                 code = MATH_HULL_CODE;
2577                 break;
2578
2579         case LFUN_REGEXP_MODE:
2580                 code = MATH_HULL_CODE;
2581                 enable = cur.buffer()->isInternal() && !cur.inRegexped();
2582                 break;
2583
2584         case LFUN_INSET_MODIFY:
2585                 // We need to disable this, because we may get called for a
2586                 // tabular cell via
2587                 // InsetTabular::getStatus() -> InsetText::getStatus()
2588                 // and we don't handle LFUN_INSET_MODIFY.
2589                 enable = false;
2590                 break;
2591
2592         case LFUN_FONT_EMPH:
2593                 flag.setOnOff(fontinfo.emph() == FONT_ON);
2594                 enable = !cur.paragraph().isPassThru();
2595                 break;
2596
2597         case LFUN_FONT_ITAL:
2598                 flag.setOnOff(fontinfo.shape() == ITALIC_SHAPE);
2599                 enable = !cur.paragraph().isPassThru();
2600                 break;
2601
2602         case LFUN_FONT_NOUN:
2603                 flag.setOnOff(fontinfo.noun() == FONT_ON);
2604                 enable = !cur.paragraph().isPassThru();
2605                 break;
2606
2607         case LFUN_FONT_BOLD:
2608         case LFUN_FONT_BOLDSYMBOL:
2609                 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
2610                 enable = !cur.paragraph().isPassThru();
2611                 break;
2612
2613         case LFUN_FONT_SANS:
2614                 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
2615                 enable = !cur.paragraph().isPassThru();
2616                 break;
2617
2618         case LFUN_FONT_ROMAN:
2619                 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
2620                 enable = !cur.paragraph().isPassThru();
2621                 break;
2622
2623         case LFUN_FONT_TYPEWRITER:
2624                 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2625                 enable = !cur.paragraph().isPassThru();
2626                 break;
2627
2628         case LFUN_CUT:
2629         case LFUN_COPY:
2630                 enable = cur.selection();
2631                 break;
2632
2633         case LFUN_PASTE: {
2634                 if (cmd.argument().empty()) {
2635                         if (theClipboard().isInternal())
2636                                 enable = cap::numberOfSelections() > 0;
2637                         else
2638                                 enable = !theClipboard().empty();
2639                         break;
2640                 }
2641
2642                 // we have an argument
2643                 string const arg = to_utf8(cmd.argument());
2644                 if (isStrUnsignedInt(arg)) {
2645                         // it's a number and therefore means the internal stack
2646                         unsigned int n = convert<unsigned int>(arg);
2647                         enable = cap::numberOfSelections() > n;
2648                         break;
2649                 }
2650
2651                 // explicit graphics type?
2652                 Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
2653                 if ((arg == "pdf" && (type = Clipboard::PdfGraphicsType))
2654                           || (arg == "png" && (type = Clipboard::PngGraphicsType))
2655                           || (arg == "jpeg" && (type = Clipboard::JpegGraphicsType))
2656                           || (arg == "linkback" &&  (type = Clipboard::LinkBackGraphicsType))
2657                           || (arg == "emf" &&  (type = Clipboard::EmfGraphicsType))
2658                           || (arg == "wmf" &&  (type = Clipboard::WmfGraphicsType))) {
2659                         enable = theClipboard().hasGraphicsContents(type);
2660                         break;
2661                 }
2662
2663                 // unknown argument
2664                 enable = false;
2665                 break;
2666          }
2667
2668         case LFUN_CLIPBOARD_PASTE:
2669         case LFUN_CLIPBOARD_PASTE_SIMPLE:
2670                 enable = !theClipboard().empty();
2671                 break;
2672
2673         case LFUN_PRIMARY_SELECTION_PASTE:
2674                 enable = cur.selection() || !theSelection().empty();
2675                 break;
2676
2677         case LFUN_SELECTION_PASTE:
2678                 enable = cap::selection();
2679                 break;
2680
2681         case LFUN_PARAGRAPH_MOVE_UP:
2682                 enable = cur.pit() > 0 && !cur.selection();
2683                 break;
2684
2685         case LFUN_PARAGRAPH_MOVE_DOWN:
2686                 enable = cur.pit() < cur.lastpit() && !cur.selection();
2687                 break;
2688
2689         case LFUN_CHANGE_ACCEPT:
2690         case LFUN_CHANGE_REJECT:
2691                 // In principle, these LFUNs should only be enabled if there
2692                 // is a change at the current position/in the current selection.
2693                 // However, without proper optimizations, this will inevitably
2694                 // result in unacceptable performance - just imagine a user who
2695                 // wants to select the complete content of a long document.
2696                 if (!cur.selection())
2697                         enable = cur.paragraph().isChanged(cur.pos());
2698                 else
2699                         // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2700                         // for selections.
2701                         enable = true;
2702                 break;
2703
2704         case LFUN_OUTLINE_UP:
2705         case LFUN_OUTLINE_DOWN:
2706         case LFUN_OUTLINE_IN:
2707         case LFUN_OUTLINE_OUT:
2708                 // FIXME: LyX is not ready for outlining within inset.
2709                 enable = isMainText()
2710                         && cur.paragraph().layout().toclevel != Layout::NOT_IN_TOC;
2711                 break;
2712
2713         case LFUN_NEWLINE_INSERT:
2714                 // LaTeX restrictions (labels or empty par)
2715                 enable = (cur.pos() > cur.paragraph().beginOfBody());
2716                 break;
2717
2718         case LFUN_TAB_INSERT:
2719         case LFUN_TAB_DELETE:
2720                 enable = cur.paragraph().isPassThru();
2721                 break;
2722
2723         case LFUN_SET_GRAPHICS_GROUP: {
2724                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
2725                 if (!ins)
2726                         enable = false;
2727                 else
2728                         flag.setOnOff(to_utf8(cmd.argument()) == ins->getParams().groupId);
2729                 break;
2730         }
2731
2732         case LFUN_NEWPAGE_INSERT:
2733                 // not allowed in description items
2734                 code = NEWPAGE_CODE;
2735                 enable = !inDescriptionItem(cur);
2736                 break;
2737
2738         case LFUN_DATE_INSERT: {
2739                 string const format = cmd.argument().empty()
2740                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
2741                 enable = support::os::is_valid_strftime(format);
2742                 break;
2743         }
2744
2745         case LFUN_LANGUAGE:
2746                 enable = !cur.paragraph().isPassThru();
2747                 flag.setOnOff(to_utf8(cmd.argument()) == cur.real_current_font.language()->lang());
2748                 break;
2749
2750         case LFUN_BREAK_PARAGRAPH:
2751                 enable = cur.inset().getLayout().isMultiPar();
2752                 break;
2753
2754         case LFUN_SPELLING_ADD:
2755         case LFUN_SPELLING_IGNORE:
2756         case LFUN_SPELLING_REMOVE:
2757                 enable = theSpellChecker();
2758                 break;
2759
2760         case LFUN_LAYOUT:
2761                 enable = !cur.inset().forcePlainLayout();
2762                 break;
2763
2764         case LFUN_LAYOUT_PARAGRAPH:
2765         case LFUN_PARAGRAPH_PARAMS:
2766         case LFUN_PARAGRAPH_PARAMS_APPLY:
2767         case LFUN_PARAGRAPH_UPDATE:
2768                 enable = cur.inset().allowParagraphCustomization();
2769                 break;
2770
2771         // FIXME: why are accent lfuns forbidden with pass_thru layouts?
2772         case LFUN_ACCENT_ACUTE:
2773         case LFUN_ACCENT_BREVE:
2774         case LFUN_ACCENT_CARON:
2775         case LFUN_ACCENT_CEDILLA:
2776         case LFUN_ACCENT_CIRCLE:
2777         case LFUN_ACCENT_CIRCUMFLEX:
2778         case LFUN_ACCENT_DOT:
2779         case LFUN_ACCENT_GRAVE:
2780         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2781         case LFUN_ACCENT_MACRON:
2782         case LFUN_ACCENT_OGONEK:
2783         case LFUN_ACCENT_TIE:
2784         case LFUN_ACCENT_TILDE:
2785         case LFUN_ACCENT_UMLAUT:
2786         case LFUN_ACCENT_UNDERBAR:
2787         case LFUN_ACCENT_UNDERDOT:
2788         case LFUN_FONT_DEFAULT:
2789         case LFUN_FONT_FRAK:
2790         case LFUN_FONT_SIZE:
2791         case LFUN_FONT_STATE:
2792         case LFUN_FONT_UNDERLINE:
2793         case LFUN_FONT_STRIKEOUT:
2794         case LFUN_FONT_UULINE:
2795         case LFUN_FONT_UWAVE:
2796         case LFUN_TEXTSTYLE_APPLY:
2797         case LFUN_TEXTSTYLE_UPDATE:
2798                 enable = !cur.paragraph().isPassThru();
2799                 break;
2800
2801         case LFUN_WORD_DELETE_FORWARD:
2802         case LFUN_WORD_DELETE_BACKWARD:
2803         case LFUN_LINE_DELETE:
2804         case LFUN_WORD_FORWARD:
2805         case LFUN_WORD_BACKWARD:
2806         case LFUN_WORD_RIGHT:
2807         case LFUN_WORD_LEFT:
2808         case LFUN_CHAR_FORWARD:
2809         case LFUN_CHAR_FORWARD_SELECT:
2810         case LFUN_CHAR_BACKWARD:
2811         case LFUN_CHAR_BACKWARD_SELECT:
2812         case LFUN_CHAR_LEFT:
2813         case LFUN_CHAR_LEFT_SELECT:
2814         case LFUN_CHAR_RIGHT:
2815         case LFUN_CHAR_RIGHT_SELECT:
2816         case LFUN_UP:
2817         case LFUN_UP_SELECT:
2818         case LFUN_DOWN:
2819         case LFUN_DOWN_SELECT:
2820         case LFUN_PARAGRAPH_UP_SELECT:
2821         case LFUN_PARAGRAPH_DOWN_SELECT:
2822         case LFUN_LINE_BEGIN_SELECT:
2823         case LFUN_LINE_END_SELECT:
2824         case LFUN_WORD_FORWARD_SELECT:
2825         case LFUN_WORD_BACKWARD_SELECT:
2826         case LFUN_WORD_RIGHT_SELECT:
2827         case LFUN_WORD_LEFT_SELECT:
2828         case LFUN_WORD_SELECT:
2829         case LFUN_SECTION_SELECT:
2830         case LFUN_BUFFER_BEGIN:
2831         case LFUN_BUFFER_END:
2832         case LFUN_BUFFER_BEGIN_SELECT:
2833         case LFUN_BUFFER_END_SELECT:
2834         case LFUN_INSET_BEGIN:
2835         case LFUN_INSET_END:
2836         case LFUN_INSET_BEGIN_SELECT:
2837         case LFUN_INSET_END_SELECT:
2838         case LFUN_INSET_SELECT_ALL:
2839         case LFUN_PARAGRAPH_UP:
2840         case LFUN_PARAGRAPH_DOWN:
2841         case LFUN_LINE_BEGIN:
2842         case LFUN_LINE_END:
2843         case LFUN_CHAR_DELETE_FORWARD:
2844         case LFUN_CHAR_DELETE_BACKWARD:
2845         case LFUN_WORD_UPCASE:
2846         case LFUN_WORD_LOWCASE:
2847         case LFUN_WORD_CAPITALIZE:
2848         case LFUN_CHARS_TRANSPOSE:
2849         case LFUN_SERVER_GET_XY:
2850         case LFUN_SERVER_SET_XY:
2851         case LFUN_SERVER_GET_LAYOUT:
2852         case LFUN_SELF_INSERT:
2853         case LFUN_UNICODE_INSERT:
2854         case LFUN_THESAURUS_ENTRY:
2855         case LFUN_ESCAPE:
2856                 // these are handled in our dispatch()
2857                 enable = true;
2858                 break;
2859
2860         case LFUN_INSET_INSERT: {
2861                 string const type = cmd.getArg(0);
2862                 if (type == "toc") {
2863                         code = TOC_CODE;
2864                         // not allowed in description items
2865                         //FIXME: couldn't this be merged in Inset::insetAllowed()?
2866                         enable = !inDescriptionItem(cur);
2867                 } else {
2868                         enable = true;
2869                 }
2870                 break;
2871         }
2872
2873         default:
2874                 return false;
2875         }
2876
2877         if (code != NO_CODE
2878             && (cur.empty()
2879                 || !cur.inset().insetAllowed(code)
2880                 || cur.paragraph().layout().pass_thru))
2881                 enable = false;
2882
2883         flag.setEnabled(enable);
2884         return true;
2885 }
2886
2887
2888 void Text::pasteString(Cursor & cur, docstring const & clip,
2889                 bool asParagraphs)
2890 {
2891         if (!clip.empty()) {
2892                 cur.recordUndo();
2893                 if (asParagraphs)
2894                         insertStringAsParagraphs(cur, clip, cur.current_font);
2895                 else
2896                         insertStringAsLines(cur, clip, cur.current_font);
2897         }
2898 }
2899
2900
2901 // FIXME: an item inset would make things much easier.
2902 bool Text::inDescriptionItem(Cursor & cur) const
2903 {
2904         Paragraph & par = cur.paragraph();
2905         pos_type const pos = cur.pos();
2906         pos_type const body_pos = par.beginOfBody();
2907
2908         if (par.layout().latextype != LATEX_LIST_ENVIRONMENT
2909             && (par.layout().latextype != LATEX_ITEM_ENVIRONMENT
2910                 || par.layout().margintype != MARGIN_FIRST_DYNAMIC))
2911                 return false;
2912
2913         return (pos < body_pos
2914                 || (pos == body_pos
2915                     && (pos == 0 || par.getChar(pos - 1) != ' ')));
2916 }
2917
2918 } // namespace lyx