src/Text3.cpp

   1 /**
   2  * \file text3.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "Text.h"
  19
  20 #include "Bidi.h"
  21 #include "BranchList.h"
  22 #include "FloatList.h"
  23 #include "FuncStatus.h"
  24 #include "Buffer.h"
  25 #include "buffer_funcs.h"
  26 #include "BufferParams.h"
  27 #include "BufferView.h"
  28 #include "Cursor.h"
  29 #include "CutAndPaste.h"
  30 #include "debug.h"
  31 #include "DispatchResult.h"
  32 #include "ErrorList.h"
  33 #include "factory.h"
  34 #include "FuncRequest.h"
  35 #include "gettext.h"
  36 #include "Intl.h"
  37 #include "Language.h"
  38 #include "Layout.h"
  39 #include "LyXAction.h"
  40 #include "LyXFunc.h"
  41 #include "Lexer.h"
  42 #include "LyXRC.h"
  43 #include "Paragraph.h"
  44 #include "paragraph_funcs.h"
  45 #include "ParagraphParameters.h"
  46 #include "TextMetrics.h"
  47 #include "VSpace.h"
  48 #include "ParIterator.h"
  49
  50 #include "frontends/Clipboard.h"
  51 #include "frontends/Selection.h"
  52
  53 #include "insets/InsetCollapsable.h"
  54 #include "insets/InsetCommand.h"
  55 #include "insets/InsetFloatList.h"
  56 #include "insets/InsetNewline.h"
  57 #include "insets/InsetQuotes.h"
  58 #include "insets/InsetSpecialChar.h"
  59 #include "insets/InsetText.h"
  60 #include "insets/InsetInfo.h"
  61
  62 #include "support/lstrings.h"
  63 #include "support/lyxlib.h"
  64 #include "support/convert.h"
  65 #include "support/lyxtime.h"
  66
  67 #include "mathed/InsetMathHull.h"
  68 #include "mathed/MathMacroTemplate.h"
  69
  70 #include <boost/current_function.hpp>
  71
  72 #include <clocale>
  73 #include <sstream>
  74
  75 using std::endl;
  76 using std::string;
  77 using std::istringstream;
  78 using std::ostringstream;
  79
  80 namespace lyx {
  81
  82 using cap::copySelection;
  83 using cap::cutSelection;
  84 using cap::pasteFromStack;
  85 using cap::pasteClipboard;
  86 using cap::replaceSelection;
  87
  88 using support::isStrUnsignedInt;
  89 using support::token;
  90
  91 // globals...
  92 static Font freefont(Font::ALL_IGNORE);
  93 static bool toggleall = false;
  94
  95 static void toggleAndShow(Cursor & cur, Text * text,
  96         Font const & font, bool toggleall = true)
  97 {
  98         text->toggleFree(cur, font, toggleall);
  99
 100         if (font.language() != ignore_language ||
 101                         font.number() != Font::IGNORE) {
 102                 TextMetrics const & tm = cur.bv().textMetrics(text);
 103                 if (cur.boundary() != tm.isRTLBoundary(cur.pit(),
 104                                                                                                                 cur.pos(), cur.real_current_font))
 105                         text->setCursor(cur, cur.pit(), cur.pos(),
 106                                                                                         false, !cur.boundary());
 107         }
 108 }
 109
 110
 111 static void moveCursor(Cursor & cur, bool selecting)
 112 {
 113         if (selecting || cur.mark())
 114                 cur.setSelection();
 115 }
 116
 117
 118 static void finishChange(Cursor & cur, bool selecting)
 119 {
 120         cur.finishUndo();
 121         moveCursor(cur, selecting);
 122 }
 123
 124
 125 static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 126 {
 127         cur.recordUndo();
 128         docstring sel = cur.selectionAsString(false);
 129
 130         // It may happen that sel is empty but there is a selection
 131         replaceSelection(cur);
 132
 133         if (sel.empty()) {
 134 #ifdef ENABLE_ASSERTIONS
 135                 const int old_pos = cur.pos();
 136 #endif
 137                 cur.insert(new InsetMathHull(hullSimple));
 138                 BOOST_ASSERT(old_pos == cur.pos());
 139                 cur.nextInset()->edit(cur, true);
 140                 // don't do that also for LFUN_MATH_MODE
 141                 // unless you want end up with always changing
 142                 // to mathrm when opening an inlined inset --
 143                 // I really hate "LyXfunc overloading"...
 144                 if (display)
 145                         cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 146                 // Avoid an unnecessary undo step if cmd.argument
 147                 // is empty
 148                 if (!cmd.argument().empty())
 149                         cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 150                                                  cmd.argument()));
 151         } else {
 152                 // create a macro if we see "\\newcommand"
 153                 // somewhere, and an ordinary formula
 154                 // otherwise
 155                 if (sel.find(from_ascii("\\newcommand")) == string::npos
 156                                 && sel.find(from_ascii("\\def")) == string::npos)
 157                 {
 158                         InsetMathHull * formula = new InsetMathHull;
 159                         istringstream is(to_utf8(sel));
 160                         Lexer lex(0, 0);
 161                         lex.setStream(is);
 162                         formula->read(cur.buffer(), lex);
 163                         if (formula->getType() == hullNone)
 164                                 // Don't create pseudo formulas if
 165                                 // delimiters are left out
 166                                 formula->mutate(hullSimple);
 167                         cur.insert(formula);
 168                 } else {
 169                         cur.insert(new MathMacroTemplate(sel));
 170                 }
 171         }
 172         cur.message(from_utf8(N_("Math editor mode")));
 173 }
 174
 175
 176 static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 177 {
 178         cur.recordUndo();
 179         cap::replaceSelection(cur);
 180         cur.insert(new InsetSpecialChar(kind));
 181         cur.posRight();
 182 }
 183
 184
 185 static bool doInsertInset(Cursor & cur, Text * text,
 186         FuncRequest const & cmd, bool edit, bool pastesel)
 187 {
 188         Inset * inset = createInset(&cur.bv(), cmd);
 189         if (!inset)
 190                 return false;
 191
 192         cur.recordUndo();
 193         if (cmd.action == LFUN_INDEX_INSERT) {
 194                 docstring ds = support::subst(text->getStringToIndex(cur), '\n', ' ');
 195                 text->insertInset(cur, inset);
 196                 if (edit)
 197                         inset->edit(cur, true);
 198                 // Now put this into inset
 199                 static_cast<InsetCollapsable *>(inset)->text_.insertStringAsParagraphs(cur, ds);
 200         } else {
 201                 bool gotsel = false;
 202                 if (cur.selection()) {
 203                         lyx::dispatch(FuncRequest(LFUN_CUT));
 204                         gotsel = true;
 205                 }
 206                 text->insertInset(cur, inset);
 207
 208                 if (edit)
 209                         inset->edit(cur, true);
 210
 211                 if (gotsel && pastesel) {
 212                         lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 213                         InsetText * insetText = dynamic_cast<InsetText *>(inset);
 214                         if (insetText && !insetText->allowMultiPar()
 215                             || cur.lastpit() == 0) {
 216                                 // reset first par to default
 217                                 LayoutPtr const layout =
 218                                         cur.buffer().params().getTextClass().defaultLayout();
 219                                 cur.text()->paragraphs().begin()->layout(layout);
 220                                 cur.pos() = 0;
 221                                 cur.pit() = 0;
 222                                 // Merge multiple paragraphs -- hack
 223                                 while (cur.lastpit() > 0) {
 224                                         mergeParagraph(cur.buffer().params(),
 225                                                 cur.text()->paragraphs(), 0);
 226                                 }
 227                         } else {
 228                                 // reset surrounding par to default
 229                                 docstring const layoutname =
 230                                         cur.buffer().params().getTextClass().defaultLayoutName();
 231                                 cur.leaveInset(*inset);
 232                                 text->setLayout(cur, layoutname);
 233                         }
 234                 }
 235         }
 236         return true;
 237 }
 238
 239
 240 string const freefont2string()
 241 {
 242         return freefont.toString(toggleall);
 243 }
 244
 245
 246 void Text::number(Cursor & cur)
 247 {
 248         Font font(Font::ALL_IGNORE);
 249         font.setNumber(Font::TOGGLE);
 250         toggleAndShow(cur, this, font);
 251 }
 252
 253
 254 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 255 {
 256         return par.isRTL(buffer.params());
 257 }
 258
 259
 260 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 261 {
 262         LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;
 263
 264         // FIXME: We use the update flag to indicates wether a singlePar or a
 265         // full screen update is needed. We reset it here but shall we restore it
 266         // at the end?
 267         cur.noUpdate();
 268
 269         BOOST_ASSERT(cur.text() == this);
 270         BufferView * bv = &cur.bv();
 271         TextMetrics & tm = cur.bv().textMetrics(this);
 272         CursorSlice oldTopSlice = cur.top();
 273         bool oldBoundary = cur.boundary();
 274         bool sel = cur.selection();
 275         // Signals that, even if needsUpdate == false, an update of the
 276         // cursor paragraph is required
 277         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 278                 LyXAction::SingleParUpdate);
 279         // Signals that a full-screen update is required
 280         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 281                 LyXAction::NoUpdate) || singleParUpdate);
 282         // Remember the old paragraph metric (_outer_ paragraph!)
 283         ParagraphMetrics const & pm = cur.bv().parMetrics(
 284                 cur.bottom().text(), cur.bottom().pit());
 285         Dimension olddim = pm.dim();
 286
 287         switch (cmd.action) {
 288
 289         case LFUN_PARAGRAPH_MOVE_DOWN: {
 290                 pit_type const pit = cur.pit();
 291                 recUndo(cur, pit, pit + 1);
 292                 cur.finishUndo();
 293                 std::swap(pars_[pit], pars_[pit + 1]);
 294                 updateLabels(cur.buffer());
 295                 needsUpdate = true;
 296                 ++cur.pit();
 297                 break;
 298         }
 299
 300         case LFUN_PARAGRAPH_MOVE_UP: {
 301                 pit_type const pit = cur.pit();
 302                 recUndo(cur, pit - 1, pit);
 303                 cur.finishUndo();
 304                 std::swap(pars_[pit], pars_[pit - 1]);
 305                 updateLabels(cur.buffer());
 306                 --cur.pit();
 307                 needsUpdate = true;
 308                 break;
 309         }
 310
 311         case LFUN_APPENDIX: {
 312                 Paragraph & par = cur.paragraph();
 313                 bool start = !par.params().startOfAppendix();
 314
 315 // FIXME: The code below only makes sense at top level.
 316 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 317                 // ensure that we have only one start_of_appendix in this document
 318                 // FIXME: this don't work for multipart document!
 319                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 320                         if (pars_[tmp].params().startOfAppendix()) {
 321                                 recUndo(cur, tmp);
 322                                 pars_[tmp].params().startOfAppendix(false);
 323                                 break;
 324                         }
 325                 }
 326
 327                 cur.recordUndo();
 328                 par.params().startOfAppendix(start);
 329
 330                 // we can set the refreshing parameters now
 331                 updateLabels(cur.buffer());
 332                 break;
 333         }
 334
 335         case LFUN_WORD_DELETE_FORWARD:
 336                 if (cur.selection()) {
 337                         cutSelection(cur, true, false);
 338                 } else
 339                         deleteWordForward(cur);
 340                 finishChange(cur, false);
 341                 break;
 342
 343         case LFUN_WORD_DELETE_BACKWARD:
 344                 if (cur.selection()) {
 345                         cutSelection(cur, true, false);
 346                 } else
 347                         deleteWordBackward(cur);
 348                 finishChange(cur, false);
 349                 break;
 350
 351         case LFUN_LINE_DELETE:
 352                 if (cur.selection()) {
 353                         cutSelection(cur, true, false);
 354                 } else
 355                         tm.deleteLineForward(cur);
 356                 finishChange(cur, false);
 357                 break;
 358
 359         case LFUN_BUFFER_BEGIN:
 360         case LFUN_BUFFER_BEGIN_SELECT:
 361                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 362                 if (cur.depth() == 1) {
 363                         needsUpdate |= cursorTop(cur);
 364                 } else {
 365                         cur.undispatched();
 366                 }
 367                 break;
 368
 369         case LFUN_BUFFER_END:
 370         case LFUN_BUFFER_END_SELECT:
 371                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 372                 if (cur.depth() == 1) {
 373                         needsUpdate |= cursorBottom(cur);
 374                 } else {
 375                         cur.undispatched();
 376                 }
 377                 break;
 378
 379         case LFUN_CHAR_FORWARD:
 380         case LFUN_CHAR_FORWARD_SELECT:
 381                 //lyxerr << BOOST_CURRENT_FUNCTION
 382                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 383                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 384                 needsUpdate |= cursorForward(cur);
 385
 386                 if (!needsUpdate && oldTopSlice == cur.top()
 387                                 && cur.boundary() == oldBoundary) {
 388                         cur.undispatched();
 389                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 390                 }
 391                 break;
 392
 393         case LFUN_CHAR_BACKWARD:
 394         case LFUN_CHAR_BACKWARD_SELECT:
 395                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 396                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 397                 needsUpdate |= cursorBackward(cur);
 398
 399                 if (!needsUpdate && oldTopSlice == cur.top()
 400                         && cur.boundary() == oldBoundary) {
 401                         cur.undispatched();
 402                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 403                 }
 404                 break;
 405
 406         case LFUN_CHAR_LEFT:
 407         case LFUN_CHAR_LEFT_SELECT:
 408                 //FIXME: for visual cursor, really move left
 409                 if (reverseDirectionNeeded(cur)) {
 410                         lyx::dispatch(FuncRequest(
 411                                 cmd.action == LFUN_CHAR_LEFT_SELECT ?
 412                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD));
 413                 } else {
 414                         lyx::dispatch(FuncRequest(
 415                                 cmd.action == LFUN_CHAR_LEFT_SELECT ?
 416                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD));
 417                 }
 418                 break;
 419
 420         case LFUN_CHAR_RIGHT:
 421         case LFUN_CHAR_RIGHT_SELECT:
 422                 //FIXME: for visual cursor, really move right
 423                 if (reverseDirectionNeeded(cur)) {
 424                         lyx::dispatch(FuncRequest(
 425                                 cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 426                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD));
 427                 } else {
 428                         lyx::dispatch(FuncRequest(
 429                                 cmd.action == LFUN_CHAR_RIGHT_SELECT ?
 430                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD));
 431                 }
 432                 break;
 433
 434         case LFUN_UP_SELECT:
 435         case LFUN_DOWN_SELECT:
 436         case LFUN_UP:
 437         case LFUN_DOWN: {
 438                 // stop/start the selection
 439                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 440                         cmd.action == LFUN_UP_SELECT;
 441                 cur.selHandle(select);
 442
 443                 // move cursor up/down
 444                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 445                 bool const successful = cur.upDownInText(up, needsUpdate);
 446                 if (successful) {
 447                         // notify insets which were left and get their update flags
 448                         notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
 449                         cur.fixIfBroken();
 450
 451                         // redraw if you leave mathed (for the decorations)
 452                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 453                 } else
 454                         cur.undispatched();
 455
 456                 break;
 457         }
 458
 459         case LFUN_PARAGRAPH_UP:
 460         case LFUN_PARAGRAPH_UP_SELECT:
 461                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 462                 needsUpdate |= cursorUpParagraph(cur);
 463                 break;
 464
 465         case LFUN_PARAGRAPH_DOWN:
 466         case LFUN_PARAGRAPH_DOWN_SELECT:
 467                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 468                 needsUpdate |= cursorDownParagraph(cur);
 469                 break;
 470
 471         case LFUN_SCREEN_UP_SELECT:
 472                 needsUpdate |= cur.selHandle(true);
 473                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 474                         cur.undispatched();
 475                 else {
 476                         tm.cursorPrevious(cur);
 477                 }
 478                 break;
 479
 480         case LFUN_SCREEN_DOWN_SELECT:
 481                 needsUpdate |= cur.selHandle(true);
 482                 if (cur.pit() == cur.lastpit()
 483                           && cur.textRow().endpos() == cur.lastpos())
 484                         cur.undispatched();
 485                 else {
 486                         tm.cursorNext(cur);
 487                 }
 488                 break;
 489
 490         case LFUN_LINE_BEGIN:
 491         case LFUN_LINE_BEGIN_SELECT:
 492                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 493                 needsUpdate |= tm.cursorHome(cur);
 494                 break;
 495
 496         case LFUN_LINE_END:
 497         case LFUN_LINE_END_SELECT:
 498                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 499                 needsUpdate |= tm.cursorEnd(cur);
 500                 break;
 501
 502         case LFUN_WORD_FORWARD:
 503         case LFUN_WORD_FORWARD_SELECT:
 504                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 505                 if (reverseDirectionNeeded(cur))
 506                         needsUpdate |= cursorLeftOneWord(cur);
 507                 else
 508                         needsUpdate |= cursorRightOneWord(cur);
 509                 break;
 510
 511         case LFUN_WORD_BACKWARD:
 512         case LFUN_WORD_BACKWARD_SELECT:
 513                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 514                 if (reverseDirectionNeeded(cur))
 515                         needsUpdate |= cursorRightOneWord(cur);
 516                 else
 517                         needsUpdate |= cursorLeftOneWord(cur);
 518                 break;
 519
 520         case LFUN_WORD_SELECT: {
 521                 selectWord(cur, WHOLE_WORD);
 522                 finishChange(cur, true);
 523                 break;
 524         }
 525
 526         case LFUN_BREAK_LINE: {
 527                 // Not allowed by LaTeX (labels or empty par)
 528                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 529                         // this avoids a double undo
 530                         // FIXME: should not be needed, ideally
 531                         if (!cur.selection())
 532                                 cur.recordUndo();
 533                         cap::replaceSelection(cur);
 534                         cur.insert(new InsetNewline);
 535                         cur.posRight();
 536                         moveCursor(cur, false);
 537                 }
 538                 break;
 539         }
 540
 541         case LFUN_CHAR_DELETE_FORWARD:
 542                 if (!cur.selection()) {
 543                         if (cur.pos() == cur.paragraph().size())
 544                                 // Par boundary, force full-screen update
 545                                 singleParUpdate = false;
 546                         needsUpdate |= erase(cur);
 547                         cur.resetAnchor();
 548                         // It is possible to make it a lot faster still
 549                         // just comment out the line below...
 550                 } else {
 551                         cutSelection(cur, true, false);
 552                         singleParUpdate = false;
 553                 }
 554                 moveCursor(cur, false);
 555                 break;
 556
 557         case LFUN_DELETE_FORWARD_SKIP:
 558                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 559                 if (!cur.selection()) {
 560                         if (cur.pos() == cur.lastpos()) {
 561                                 cursorForward(cur);
 562                                 cursorBackward(cur);
 563                         }
 564                         erase(cur);
 565                         cur.resetAnchor();
 566                 } else {
 567                         cutSelection(cur, true, false);
 568                 }
 569                 break;
 570
 571
 572         case LFUN_CHAR_DELETE_BACKWARD:
 573                 if (!cur.selection()) {
 574                         if (bv->getIntl().getTransManager().backspace()) {
 575                                 // Par boundary, full-screen update
 576                                 if (cur.pos() == 0)
 577                                         singleParUpdate = false;
 578                                 needsUpdate |= backspace(cur);
 579                                 cur.resetAnchor();
 580                                 // It is possible to make it a lot faster still
 581                                 // just comment out the line below...
 582                         }
 583                 } else {
 584                         cutSelection(cur, true, false);
 585                         singleParUpdate = false;
 586                 }
 587                 break;
 588
 589         case LFUN_DELETE_BACKWARD_SKIP:
 590                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 591                 if (!cur.selection()) {
 592                         // FIXME: look here
 593                         //CursorSlice cur = cursor();
 594                         backspace(cur);
 595                         //anchor() = cur;
 596                 } else {
 597                         cutSelection(cur, true, false);
 598                 }
 599                 break;
 600
 601         case LFUN_BREAK_PARAGRAPH:
 602                 cap::replaceSelection(cur);
 603                 breakParagraph(cur, cmd.argument() == "inverse");
 604                 cur.resetAnchor();
 605                 break;
 606
 607         case LFUN_BREAK_PARAGRAPH_SKIP: {
 608                 // When at the beginning of a paragraph, remove
 609                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 610                 cap::replaceSelection(cur);
 611                 if (cur.pos() == 0)
 612                         cur.paragraph().params().labelWidthString(docstring());
 613                 else
 614                         breakParagraph(cur, false);
 615                 cur.resetAnchor();
 616                 break;
 617         }
 618
 619         // TODO
 620         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 621         // as its duties can be performed there. Should it be removed??
 622         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 623         case LFUN_PARAGRAPH_SPACING: {
 624                 Paragraph & par = cur.paragraph();
 625                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 626                 string cur_value = "1.0";
 627                 if (cur_spacing == Spacing::Other)
 628                         cur_value = par.params().spacing().getValueAsString();
 629
 630                 istringstream is(to_utf8(cmd.argument()));
 631                 string tmp;
 632                 is >> tmp;
 633                 Spacing::Space new_spacing = cur_spacing;
 634                 string new_value = cur_value;
 635                 if (tmp.empty()) {
 636                         lyxerr << "Missing argument to `paragraph-spacing'"
 637                                << endl;
 638                 } else if (tmp == "single") {
 639                         new_spacing = Spacing::Single;
 640                 } else if (tmp == "onehalf") {
 641                         new_spacing = Spacing::Onehalf;
 642                 } else if (tmp == "double") {
 643                         new_spacing = Spacing::Double;
 644                 } else if (tmp == "other") {
 645                         new_spacing = Spacing::Other;
 646                         string tmpval = "0.0";
 647                         is >> tmpval;
 648                         lyxerr << "new_value = " << tmpval << endl;
 649                         if (tmpval != "0.0")
 650                                 new_value = tmpval;
 651                 } else if (tmp == "default") {
 652                         new_spacing = Spacing::Default;
 653                 } else {
 654                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 655                                << to_utf8(cmd.argument()) << endl;
 656                 }
 657                 if (cur_spacing != new_spacing || cur_value != new_value)
 658                         par.params().spacing(Spacing(new_spacing, new_value));
 659                 break;
 660         }
 661
 662         case LFUN_INSET_INSERT: {
 663                 cur.recordUndo();
 664                 Inset * inset = createInset(bv, cmd);
 665                 if (inset) {
 666                         // FIXME (Abdel 01/02/2006):
 667                         // What follows would be a partial fix for bug 2154:
 668                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 669                         // This automatically put the label inset _after_ a
 670                         // numbered section. It should be possible to extend the mechanism
 671                         // to any kind of LateX environement.
 672                         // The correct way to fix that bug would be at LateX generation.
 673                         // I'll let the code here for reference as it could be used for some
 674                         // other feature like "automatic labelling".
 675                         /*
 676                         Paragraph & par = pars_[cur.pit()];
 677                         if (inset->lyxCode() == LABEL_CODE
 678                                 && par.layout()->labeltype == LABEL_COUNTER) {
 679                                 // Go to the end of the paragraph
 680                                 // Warning: Because of Change-Tracking, the last
 681                                 // position is 'size()' and not 'size()-1':
 682                                 cur.pos() = par.size();
 683                                 // Insert a new paragraph
 684                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 685                                 dispatch(cur, fr);
 686                         }
 687                         */
 688                         if (cur.selection())
 689                                 cutSelection(cur, true, false);
 690                         insertInset(cur, inset);
 691                         cur.posRight();
 692                 }
 693                 break;
 694         }
 695
 696         case LFUN_INSET_DISSOLVE:
 697                 needsUpdate |= dissolveInset(cur);
 698                 break;
 699
 700         case LFUN_INSET_SETTINGS:
 701                 cur.inset().showInsetDialog(bv);
 702                 break;
 703
 704         case LFUN_SPACE_INSERT:
 705                 if (cur.paragraph().layout()->free_spacing)
 706                         insertChar(cur, ' ');
 707                 else {
 708                         doInsertInset(cur, this, cmd, false, false);
 709                         cur.posRight();
 710                 }
 711                 moveCursor(cur, false);
 712                 break;
 713
 714         case LFUN_HYPHENATION_POINT_INSERT:
 715                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 716                 break;
 717
 718         case LFUN_LIGATURE_BREAK_INSERT:
 719                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 720                 break;
 721
 722         case LFUN_DOTS_INSERT:
 723                 specialChar(cur, InsetSpecialChar::LDOTS);
 724                 break;
 725
 726         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 727                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 728                 break;
 729
 730         case LFUN_MENU_SEPARATOR_INSERT:
 731                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 732                 break;
 733
 734         case LFUN_WORD_UPCASE:
 735                 changeCase(cur, Text::text_uppercase);
 736                 break;
 737
 738         case LFUN_WORD_LOWCASE:
 739                 changeCase(cur, Text::text_lowercase);
 740                 break;
 741
 742         case LFUN_WORD_CAPITALIZE:
 743                 changeCase(cur, Text::text_capitalization);
 744                 break;
 745
 746         case LFUN_CHARS_TRANSPOSE:
 747                 charsTranspose(cur);
 748                 break;
 749
 750         case LFUN_PASTE:
 751                 cur.message(_("Paste"));
 752                 cap::replaceSelection(cur);
 753                 if (cmd.argument().empty() && !theClipboard().isInternal())
 754                         pasteClipboard(cur, bv->buffer().errorList("Paste"));
 755                 else {
 756                         string const arg(to_utf8(cmd.argument()));
 757                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 758                                         isStrUnsignedInt(arg) ?
 759                                                 convert<unsigned int>(arg) :
 760                                                 0);
 761                 }
 762                 bv->buffer().errors("Paste");
 763                 cur.clearSelection(); // bug 393
 764                 cur.finishUndo();
 765                 break;
 766
 767         case LFUN_CUT:
 768                 cutSelection(cur, true, true);
 769                 cur.message(_("Cut"));
 770                 break;
 771
 772         case LFUN_COPY:
 773                 copySelection(cur);
 774                 cur.message(_("Copy"));
 775                 break;
 776
 777         case LFUN_SERVER_GET_XY:
 778                 cur.message(from_utf8(
 779                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 780                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 781                 break;
 782
 783         case LFUN_SERVER_SET_XY: {
 784                 int x = 0;
 785                 int y = 0;
 786                 istringstream is(to_utf8(cmd.argument()));
 787                 is >> x >> y;
 788                 if (!is)
 789                         lyxerr << "SETXY: Could not parse coordinates in '"
 790                                << to_utf8(cmd.argument()) << std::endl;
 791                 else
 792                         tm.setCursorFromCoordinates(cur, x, y);
 793                 break;
 794         }
 795
 796         case LFUN_SERVER_GET_FONT:
 797                 if (cur.current_font.shape() == Font::ITALIC_SHAPE)
 798                         cur.message(from_ascii("E"));
 799                 else if (cur.current_font.shape() == Font::SMALLCAPS_SHAPE)
 800                         cur.message(from_ascii("N"));
 801                 else
 802                         cur.message(from_ascii("0"));
 803                 break;
 804
 805         case LFUN_SERVER_GET_LAYOUT:
 806                 cur.message(cur.paragraph().layout()->name());
 807                 break;
 808
 809         case LFUN_LAYOUT: {
 810                 docstring layout = cmd.argument();
 811                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << to_utf8(layout) << endl;
 812
 813                 docstring const old_layout = cur.paragraph().layout()->name();
 814
 815                 // Derive layout number from given argument (string)
 816                 // and current buffer's textclass (number)
 817                 TextClass const & tclass = bv->buffer().params().getTextClass();
 818                 if (layout.empty())
 819                         layout = tclass.defaultLayoutName();
 820                 bool hasLayout = tclass.hasLayout(layout);
 821
 822                 // If the entry is obsolete, use the new one instead.
 823                 if (hasLayout) {
 824                         docstring const & obs = tclass[layout]->obsoleted_by();
 825                         if (!obs.empty())
 826                                 layout = obs;
 827                 }
 828
 829                 if (!hasLayout) {
 830                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 831                                 from_utf8(N_(" not known")));
 832                         break;
 833                 }
 834
 835                 bool change_layout = (old_layout != layout);
 836
 837                 if (!change_layout && cur.selection() &&
 838                         cur.selBegin().pit() != cur.selEnd().pit())
 839                 {
 840                         pit_type spit = cur.selBegin().pit();
 841                         pit_type epit = cur.selEnd().pit() + 1;
 842                         while (spit != epit) {
 843                                 if (pars_[spit].layout()->name() != old_layout) {
 844                                         change_layout = true;
 845                                         break;
 846                                 }
 847                                 ++spit;
 848                         }
 849                 }
 850
 851                 if (change_layout)
 852                         setLayout(cur, layout);
 853
 854                 break;
 855         }
 856
 857         case LFUN_CLIPBOARD_PASTE:
 858                 cur.clearSelection();
 859                 pasteClipboard(cur, bv->buffer().errorList("Paste"),
 860                                cmd.argument() == "paragraph");
 861                 bv->buffer().errors("Paste");
 862                 break;
 863
 864         case LFUN_PRIMARY_SELECTION_PASTE:
 865                 pasteString(cur, theSelection().get(),
 866                             cmd.argument() == "paragraph");
 867                 break;
 868
 869         case LFUN_UNICODE_INSERT: {
 870                 if (cmd.argument().empty())
 871                         break;
 872                 docstring hexstring = cmd.argument();
 873                 if (lyx::support::isHex(hexstring)) {
 874                         char_type c = lyx::support::hexToInt(hexstring);
 875                         if (c >= 32 && c < 0x10ffff) {
 876                                 lyxerr << "Inserting c: " << c << endl;
 877                                 docstring s = docstring(1, c);
 878                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 879                         }
 880                 }
 881                 break;
 882         }
 883
 884         case LFUN_QUOTE_INSERT: {
 885                 Paragraph & par = cur.paragraph();
 886                 pos_type pos = cur.pos();
 887                 BufferParams const & bufparams = bv->buffer().params();
 888                 LayoutPtr const & style = par.layout();
 889                 if (!style->pass_thru
 890                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 891                         // this avoids a double undo
 892                         // FIXME: should not be needed, ideally
 893                         if (!cur.selection())
 894                                 cur.recordUndo();
 895                         cap::replaceSelection(cur);
 896                         pos = cur.pos();
 897                         char_type c;
 898                         if (pos == 0)
 899                                 c = ' ';
 900                         else if (cur.prevInset() && cur.prevInset()->isSpace())
 901                                 c = ' ';
 902                         else
 903                                 c = par.getChar(pos - 1);
 904                         string arg = to_utf8(cmd.argument());
 905                         if (arg == "single")
 906                                 cur.insert(new InsetQuotes(c,
 907                                     bufparams.quotes_language,
 908                                     InsetQuotes::SingleQ));
 909                         else
 910                                 cur.insert(new InsetQuotes(c,
 911                                     bufparams.quotes_language,
 912                                     InsetQuotes::DoubleQ));
 913                         cur.posRight();
 914                 }
 915                 else
 916                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 917                 break;
 918         }
 919
 920         case LFUN_DATE_INSERT: {
 921                 string const format = cmd.argument().empty()
 922                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
 923                 string const time = formatted_time(current_time(), format);
 924                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
 925                 break;
 926         }
 927
 928         case LFUN_MOUSE_TRIPLE:
 929                 if (cmd.button() == mouse_button::button1) {
 930                         tm.cursorHome(cur);
 931                         cur.resetAnchor();
 932                         tm.cursorEnd(cur);
 933                         cur.setSelection();
 934                         bv->cursor() = cur;
 935                 }
 936                 break;
 937
 938         case LFUN_MOUSE_DOUBLE:
 939                 if (cmd.button() == mouse_button::button1) {
 940                         selectWord(cur, WHOLE_WORD_STRICT);
 941                         bv->cursor() = cur;
 942                 }
 943                 break;
 944
 945         // Single-click on work area
 946         case LFUN_MOUSE_PRESS: {
 947                 // Right click on a footnote flag opens float menu
 948                 // FIXME: Why should we clear the selection in this case?
 949                 if (cmd.button() == mouse_button::button3)
 950                         cur.clearSelection();
 951
 952                 bool do_selection = cmd.button() == mouse_button::button1
 953                         && cmd.argument() == "region-select";
 954                 // Set the cursor
 955                 bool update = bv->mouseSetCursor(cur, do_selection);
 956
 957                 // Insert primary selection with middle mouse
 958                 // if there is a local selection in the current buffer,
 959                 // insert this
 960                 if (cmd.button() == mouse_button::button2) {
 961                         if (cap::selection()) {
 962                                 // Copy the selection buffer to the clipboard
 963                                 // stack, because we want it to appear in the
 964                                 // "Edit->Paste recent" menu.
 965                                 cap::copySelectionToStack();
 966
 967                                 cap::pasteSelection(bv->cursor(),
 968                                                     bv->buffer().errorList("Paste"));
 969                                 bv->buffer().errors("Paste");
 970                                 bv->buffer().markDirty();
 971                                 bv->cursor().finishUndo();
 972                         } else {
 973                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 974                         }
 975                 }
 976
 977                 // we have to update after dEPM triggered
 978                 if (!update && cmd.button() == mouse_button::button1) {
 979                         needsUpdate = false;
 980                         cur.noUpdate();
 981                 }
 982
 983                 break;
 984         }
 985
 986         case LFUN_MOUSE_MOTION: {
 987                 // Only use motion with button 1
 988                 //if (cmd.button() != mouse_button::button1)
 989                 //      return false;
 990
 991                 // ignore motions deeper nested than the real anchor
 992                 Cursor & bvcur = cur.bv().cursor();
 993                 if (bvcur.anchor_.hasPart(cur)) {
 994                         CursorSlice old = bvcur.top();
 995
 996                         int const wh = bv->workHeight();
 997                         int const y = std::max(0, std::min(wh - 1, cmd.y));
 998
 999                         tm.setCursorFromCoordinates(cur, cmd.x, y);
1000                         cur.setTargetX(cmd.x);
1001                         if (cmd.y >= wh)
1002                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1003                         else if (cmd.y < 0)
1004                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1005                         // This is to allow jumping over large insets
1006                         if (cur.top() == old) {
1007                                 if (cmd.y >= wh)
1008                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1009                                 else if (cmd.y < 0)
1010                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1011                         }
1012
1013                         if (cur.top() == old)
1014                                 cur.noUpdate();
1015                         else {
1016                                 // don't set anchor_
1017                                 bvcur.setCursor(cur);
1018                                 bvcur.selection() = true;
1019                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1020                         }
1021
1022                 } else
1023                         cur.undispatched();
1024                 break;
1025         }
1026
1027         case LFUN_MOUSE_RELEASE: {
1028                 if (cmd.button() == mouse_button::button2)
1029                         break;
1030
1031                 if (cmd.button() == mouse_button::button1) {
1032                         // if there is new selection, update persistent
1033                         // selection, otherwise, single click does not
1034                         // clear persistent selection buffer
1035                         if (cur.selection()) {
1036                                 // finish selection
1037                                 // if double click, cur is moved to the end of word by selectWord
1038                                 // but bvcur is current mouse position
1039                                 Cursor & bvcur = cur.bv().cursor();
1040                                 bvcur.selection() = true;
1041                         }
1042                         needsUpdate = false;
1043                         cur.noUpdate();
1044                 }
1045
1046                 break;
1047         }
1048
1049         case LFUN_SELF_INSERT: {
1050                 if (cmd.argument().empty())
1051                         break;
1052
1053                 // Automatically delete the currently selected
1054                 // text and replace it with what is being
1055                 // typed in now. Depends on lyxrc settings
1056                 // "auto_region_delete", which defaults to
1057                 // true (on).
1058
1059                 if (lyxrc.auto_region_delete && cur.selection()) {
1060                         cutSelection(cur, false, false);
1061                         // When change tracking is set to off, the metrics update
1062                         // mechanism correctly detects if a full update is needed or not.
1063                         // This detection fails when a selection spans multiple rows and
1064                         // change tracking is enabled because the paragraph metrics stays
1065                         // the same. In this case, we force the full update:
1066                         // (see http://bugzilla.lyx.org/show_bug.cgi?id=3992)
1067                         if (cur.buffer().params().trackChanges)
1068                                 cur.updateFlags(Update::Force);
1069                 }
1070
1071                 cur.clearSelection();
1072                 Font const old_font = cur.real_current_font;
1073
1074                 docstring::const_iterator cit = cmd.argument().begin();
1075                 docstring::const_iterator end = cmd.argument().end();
1076                 for (; cit != end; ++cit)
1077                         bv->translateAndInsert(*cit, this, cur);
1078
1079                 cur.resetAnchor();
1080                 moveCursor(cur, false);
1081                 break;
1082         }
1083
1084         case LFUN_HYPERLINK_INSERT: {
1085                 InsetCommandParams p(HYPERLINK_CODE);
1086                 docstring content;
1087                 if (cur.selection()) {
1088                         content = cur.selectionAsString(false);
1089                         cutSelection(cur, true, false);
1090                 }
1091                 p["target"] = (cmd.argument().empty()) ?
1092                         content : cmd.argument();
1093                 string const data = InsetCommandMailer::params2string("href", p);
1094                 if (p["target"].empty()) {
1095                         bv->showInsetDialog("href", data, 0);
1096                 } else {
1097                         FuncRequest fr(LFUN_INSET_INSERT, data);
1098                         dispatch(cur, fr);
1099                 }
1100                 break;
1101         }
1102
1103         case LFUN_LABEL_INSERT: {
1104                 InsetCommandParams p(LABEL_CODE);
1105                 // Try to generate a valid label
1106                 p["name"] = (cmd.argument().empty()) ?
1107                         cur.getPossibleLabel() :
1108                         cmd.argument();
1109                 string const data = InsetCommandMailer::params2string("label", p);
1110
1111                 if (cmd.argument().empty()) {
1112                         bv->showInsetDialog("label", data, 0);
1113                 } else {
1114                         FuncRequest fr(LFUN_INSET_INSERT, data);
1115                         dispatch(cur, fr);
1116                 }
1117                 break;
1118         }
1119
1120         case LFUN_INFO_INSERT: {
1121                 Inset * inset = createInset(&cur.bv(), cmd);
1122                 if (!inset)
1123                         break;
1124                 // if an empty inset is created (cmd.argument() is empty)
1125                 // use current selection as parameter.
1126                 if (cmd.argument().empty() && cur.selection()) {
1127                         // use selected text as info to avoid a separate UI
1128                         docstring ds = cur.selectionAsString(false);
1129                         cutSelection(cur, true, false);
1130                         static_cast<InsetInfo *>(inset)->setInfo(to_utf8(ds));
1131                 }
1132                 insertInset(cur, inset);
1133                 cur.posRight();
1134                 break;
1135         }
1136 #if 0
1137         case LFUN_LIST_INSERT:
1138         case LFUN_THEOREM_INSERT:
1139 #endif
1140         case LFUN_CAPTION_INSERT:
1141                 // Open the inset, and move the current selection
1142                 // inside it.
1143                 doInsertInset(cur, this, cmd, true, true);
1144                 cur.posRight();
1145                 updateLabels(bv->buffer());
1146                 break;
1147         case LFUN_NOTE_INSERT:
1148         case LFUN_FLEX_INSERT:
1149         case LFUN_BOX_INSERT:
1150         case LFUN_BRANCH_INSERT:
1151         case LFUN_BIBITEM_INSERT:
1152         case LFUN_ERT_INSERT:
1153         case LFUN_LISTING_INSERT:
1154         case LFUN_FOOTNOTE_INSERT:
1155         case LFUN_MARGINALNOTE_INSERT:
1156         case LFUN_OPTIONAL_INSERT:
1157         case LFUN_ENVIRONMENT_INSERT:
1158                 // Open the inset, and move the current selection
1159                 // inside it.
1160                 doInsertInset(cur, this, cmd, true, true);
1161                 cur.posRight();
1162                 break;
1163
1164         case LFUN_TABULAR_INSERT:
1165                 // if there were no arguments, just open the dialog
1166                 if (doInsertInset(cur, this, cmd, false, true))
1167                         cur.posRight();
1168                 else
1169                         bv->showDialog("tabularcreate");
1170
1171                 break;
1172
1173         case LFUN_FLOAT_INSERT:
1174         case LFUN_FLOAT_WIDE_INSERT:
1175         case LFUN_WRAP_INSERT: {
1176                 bool content = cur.selection();  // will some text be moved into the inset?
1177
1178                 doInsertInset(cur, this, cmd, true, true);
1179                 cur.posRight();
1180                 ParagraphList & pars = cur.text()->paragraphs();
1181
1182                 TextClass const & tclass = bv->buffer().params().getTextClass();
1183
1184                 // add a separate paragraph for the caption inset
1185                 pars.push_back(Paragraph());
1186                 pars.back().setInsetOwner(pars[0].inInset());
1187                 pars.back().layout(tclass.defaultLayout());
1188
1189                 int cap_pit = pars.size() - 1;
1190
1191                 // if an empty inset was created, we create an additional empty
1192                 // paragraph at the bottom so that the user can choose where to put
1193                 // the graphics (or table).
1194                 if (!content) {
1195                         pars.push_back(Paragraph());
1196                         pars.back().setInsetOwner(pars[0].inInset());
1197                         pars.back().layout(tclass.defaultLayout());
1198
1199                 }
1200
1201                 // reposition the cursor to the caption
1202                 cur.pit() = cap_pit;
1203                 cur.pos() = 0;
1204                 // FIXME: This Text/Cursor dispatch handling is a mess!
1205                 // We cannot use Cursor::dispatch here it needs access to up to
1206                 // date metrics.
1207                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1208                 cur.text()->dispatch(cur, cmd_caption);
1209                 cur.updateFlags(Update::Force);
1210                 // FIXME: When leaving the Float (or Wrap) inset we should
1211                 // delete any empty paragraph left above or below the
1212                 // caption.
1213                 break;
1214         }
1215
1216         case LFUN_INDEX_INSERT:
1217                 doInsertInset(cur, this, cmd, true, true);
1218                 cur.posRight();
1219                 break;
1220         case LFUN_NOMENCL_INSERT: {
1221                 Inset * inset = createInset(&cur.bv(), cmd);
1222                 if (!inset)
1223                         break;
1224                 cur.recordUndo();
1225                 cur.clearSelection();
1226                 insertInset(cur, inset);
1227                 // Show the dialog for the nomenclature entry, since the
1228                 // description entry still needs to be filled in.
1229                 if (cmd.action == LFUN_NOMENCL_INSERT)
1230                         inset->edit(cur, true);
1231                 cur.posRight();
1232                 break;
1233         }
1234
1235         case LFUN_INDEX_PRINT:
1236         case LFUN_NOMENCL_PRINT:
1237         case LFUN_TOC_INSERT:
1238         case LFUN_HFILL_INSERT:
1239         case LFUN_LINE_INSERT:
1240         case LFUN_PAGEBREAK_INSERT:
1241         case LFUN_CLEARPAGE_INSERT:
1242         case LFUN_CLEARDOUBLEPAGE_INSERT:
1243                 // do nothing fancy
1244                 doInsertInset(cur, this, cmd, false, false);
1245                 cur.posRight();
1246                 break;
1247
1248         case LFUN_DEPTH_DECREMENT:
1249                 changeDepth(cur, DEC_DEPTH);
1250                 break;
1251
1252         case LFUN_DEPTH_INCREMENT:
1253                 changeDepth(cur, INC_DEPTH);
1254                 break;
1255
1256         case LFUN_MATH_DISPLAY:
1257                 mathDispatch(cur, cmd, true);
1258                 break;
1259
1260         case LFUN_MATH_IMPORT_SELECTION:
1261         case LFUN_MATH_MODE:
1262                 if (cmd.argument() == "on")
1263                         // don't pass "on" as argument
1264                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1265                 else
1266                         mathDispatch(cur, cmd, false);
1267                 break;
1268
1269         case LFUN_MATH_MACRO:
1270                 if (cmd.argument().empty())
1271                         cur.errorMessage(from_utf8(N_("Missing argument")));
1272                 else {
1273                         string s = to_utf8(cmd.argument());
1274                         string const s1 = token(s, ' ', 1);
1275                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1276                         string const s2 = token(s, ' ', 2);
1277                         string const type = s2.empty() ? "newcommand" : s2;
1278                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1279                         //cur.nextInset()->edit(cur, true);
1280                 }
1281                 break;
1282
1283         // passthrough hat and underscore outside mathed:
1284         case LFUN_MATH_SUBSCRIPT:
1285                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1286                 break;
1287         case LFUN_MATH_SUPERSCRIPT:
1288                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1289                 break;
1290
1291         case LFUN_MATH_INSERT:
1292         case LFUN_MATH_MATRIX:
1293         case LFUN_MATH_DELIM:
1294         case LFUN_MATH_BIGDELIM: {
1295                 if (cur.selection())
1296                         cur.clearSelection();
1297                 // FIXME: instead of the above, this one
1298                 // should be used (but it asserts with Bidi enabled)
1299                 // cf. http://bugzilla.lyx.org/show_bug.cgi?id=4055
1300                 // cap::replaceSelection(cur);
1301                 cur.insert(new InsetMathHull(hullSimple));
1302                 checkAndActivateInset(cur, true);
1303                 BOOST_ASSERT(cur.inMathed());
1304                 cur.dispatch(cmd);
1305                 break;
1306         }
1307
1308         case LFUN_FONT_EMPH: {
1309                 Font font(Font::ALL_IGNORE);
1310                 font.setEmph(Font::TOGGLE);
1311                 toggleAndShow(cur, this, font);
1312                 break;
1313         }
1314
1315         case LFUN_FONT_BOLD: {
1316                 Font font(Font::ALL_IGNORE);
1317                 font.setSeries(Font::BOLD_SERIES);
1318                 toggleAndShow(cur, this, font);
1319                 break;
1320         }
1321
1322         case LFUN_FONT_NOUN: {
1323                 Font font(Font::ALL_IGNORE);
1324                 font.setNoun(Font::TOGGLE);
1325                 toggleAndShow(cur, this, font);
1326                 break;
1327         }
1328
1329         case LFUN_FONT_TYPEWRITER: {
1330                 Font font(Font::ALL_IGNORE);
1331                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1332                 toggleAndShow(cur, this, font);
1333                 break;
1334         }
1335
1336         case LFUN_FONT_SANS: {
1337                 Font font(Font::ALL_IGNORE);
1338                 font.setFamily(Font::SANS_FAMILY);
1339                 toggleAndShow(cur, this, font);
1340                 break;
1341         }
1342
1343         case LFUN_FONT_ROMAN: {
1344                 Font font(Font::ALL_IGNORE);
1345                 font.setFamily(Font::ROMAN_FAMILY);
1346                 toggleAndShow(cur, this, font);
1347                 break;
1348         }
1349
1350         case LFUN_FONT_DEFAULT: {
1351                 Font font(Font::ALL_INHERIT, ignore_language);
1352                 toggleAndShow(cur, this, font);
1353                 break;
1354         }
1355
1356         case LFUN_FONT_UNDERLINE: {
1357                 Font font(Font::ALL_IGNORE);
1358                 font.setUnderbar(Font::TOGGLE);
1359                 toggleAndShow(cur, this, font);
1360                 break;
1361         }
1362
1363         case LFUN_FONT_SIZE: {
1364                 Font font(Font::ALL_IGNORE);
1365                 font.setLyXSize(to_utf8(cmd.argument()));
1366                 toggleAndShow(cur, this, font);
1367                 break;
1368         }
1369
1370         case LFUN_LANGUAGE: {
1371                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1372                 if (!lang)
1373                         break;
1374                 Font font(Font::ALL_IGNORE);
1375                 font.setLanguage(lang);
1376                 toggleAndShow(cur, this, font);
1377                 break;
1378         }
1379
1380         case LFUN_FONT_FREE_APPLY:
1381                 toggleAndShow(cur, this, freefont, toggleall);
1382                 cur.message(_("Character set"));
1383                 break;
1384
1385         // Set the freefont using the contents of \param data dispatched from
1386         // the frontends and apply it at the current cursor location.
1387         case LFUN_FONT_FREE_UPDATE: {
1388                 Font font;
1389                 bool toggle;
1390                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1391                         freefont = font;
1392                         toggleall = toggle;
1393                         toggleAndShow(cur, this, freefont, toggleall);
1394                         cur.message(_("Character set"));
1395                 }
1396                 break;
1397         }
1398
1399         case LFUN_FINISHED_LEFT:
1400                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1401                 if (reverseDirectionNeeded(cur)) {
1402                         ++cur.pos();
1403                         cur.setCurrentFont();
1404                 }
1405                 break;
1406
1407         case LFUN_FINISHED_RIGHT:
1408                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1409                 if (!reverseDirectionNeeded(cur)) {
1410                         ++cur.pos();
1411                         cur.setCurrentFont();
1412                 }
1413                 break;
1414
1415         case LFUN_FINISHED_BACKWARD:
1416                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_BACKWARD:\n" << cur << endl;
1417                 break;
1418
1419         case LFUN_FINISHED_FORWARD:
1420                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_FORWARD:\n" << cur << endl;
1421                 ++cur.pos();
1422                 cur.setCurrentFont();
1423                 break;
1424
1425         case LFUN_LAYOUT_PARAGRAPH: {
1426                 string data;
1427                 params2string(cur.paragraph(), data);
1428                 data = "show\n" + data;
1429                 bv->showDialogWithData("paragraph", data);
1430                 break;
1431         }
1432
1433         case LFUN_PARAGRAPH_UPDATE: {
1434                 string data;
1435                 params2string(cur.paragraph(), data);
1436
1437                 // Will the paragraph accept changes from the dialog?
1438                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1439
1440                 data = "update " + convert<string>(accept) + '\n' + data;
1441                 bv->updateDialog("paragraph", data);
1442                 break;
1443         }
1444
1445         case LFUN_ACCENT_UMLAUT:
1446         case LFUN_ACCENT_CIRCUMFLEX:
1447         case LFUN_ACCENT_GRAVE:
1448         case LFUN_ACCENT_ACUTE:
1449         case LFUN_ACCENT_TILDE:
1450         case LFUN_ACCENT_CEDILLA:
1451         case LFUN_ACCENT_MACRON:
1452         case LFUN_ACCENT_DOT:
1453         case LFUN_ACCENT_UNDERDOT:
1454         case LFUN_ACCENT_UNDERBAR:
1455         case LFUN_ACCENT_CARON:
1456         case LFUN_ACCENT_SPECIAL_CARON:
1457         case LFUN_ACCENT_BREVE:
1458         case LFUN_ACCENT_TIE:
1459         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1460         case LFUN_ACCENT_CIRCLE:
1461         case LFUN_ACCENT_OGONEK:
1462                 theLyXFunc().handleKeyFunc(cmd.action);
1463                 if (!cmd.argument().empty())
1464                         // FIXME: Are all these characters encoded in one byte in utf8?
1465                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1466                 break;
1467
1468         case LFUN_FLOAT_LIST: {
1469                 TextClass const & tclass = bv->buffer().params().getTextClass();
1470                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1471                         cur.recordUndo();
1472                         if (cur.selection())
1473                                 cutSelection(cur, true, false);
1474                         breakParagraph(cur);
1475
1476                         if (cur.lastpos() != 0) {
1477                                 cursorBackward(cur);
1478                                 breakParagraph(cur);
1479                         }
1480
1481                         setLayout(cur, tclass.defaultLayoutName());
1482                         ParagraphParameters p;
1483                         setParagraphs(cur, p);
1484                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1485                         cur.posRight();
1486                 } else {
1487                         lyxerr << "Non-existent float type: "
1488                                << to_utf8(cmd.argument()) << endl;
1489                 }
1490                 break;
1491         }
1492
1493         case LFUN_CHANGE_ACCEPT: {
1494                 acceptOrRejectChanges(cur, ACCEPT);
1495                 break;
1496         }
1497
1498         case LFUN_CHANGE_REJECT: {
1499                 acceptOrRejectChanges(cur, REJECT);
1500                 break;
1501         }
1502
1503         case LFUN_THESAURUS_ENTRY: {
1504                 docstring arg = cmd.argument();
1505                 if (arg.empty()) {
1506                         arg = cur.selectionAsString(false);
1507                         // FIXME
1508                         if (arg.size() > 100 || arg.empty()) {
1509                                 // Get word or selection
1510                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1511                                 arg = cur.selectionAsString(false);
1512                         }
1513                 }
1514                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1515                 break;
1516         }
1517
1518         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1519                 // Given data, an encoding of the ParagraphParameters
1520                 // generated in the Paragraph dialog, this function sets
1521                 // the current paragraph, or currently selected paragraphs,
1522                 // appropriately.
1523                 // NOTE: This function overrides all existing settings.
1524                 setParagraphs(cur, cmd.argument());
1525                 cur.message(_("Paragraph layout set"));
1526                 break;
1527         }
1528
1529         case LFUN_PARAGRAPH_PARAMS: {
1530                 // Given data, an encoding of the ParagraphParameters as we'd
1531                 // find them in a LyX file, this function modifies the current paragraph,
1532                 // or currently selected paragraphs.
1533                 // NOTE: This function only modifies, and does not override, existing
1534                 // settings.
1535                 setParagraphs(cur, cmd.argument(), true);
1536                 cur.message(_("Paragraph layout set"));
1537                 break;
1538         }
1539
1540         case LFUN_ESCAPE:
1541                 if (cur.selection()) {
1542                         cur.selection() = false;
1543                 } else {
1544                         cur.undispatched();
1545                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
1546                         // correct, but I'm not 100% sure -- dov, 071019
1547                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1548                 }
1549                 break;
1550
1551         default:
1552                 LYXERR(Debug::ACTION)
1553                         << BOOST_CURRENT_FUNCTION
1554                         << ": Command " << cmd
1555                         << " not DISPATCHED by Text" << endl;
1556                 cur.undispatched();
1557                 break;
1558         }
1559
1560         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1561
1562         // FIXME: The cursor flag is reset two lines below
1563         // so we need to check here if some of the LFUN did touch that.
1564         // for now only Text::erase() and Text::backspace() do that.
1565         // The plan is to verify all the LFUNs and then to remove this
1566         // singleParUpdate boolean altogether.
1567         if (cur.result().update() & Update::Force) {
1568                 singleParUpdate = false;
1569                 needsUpdate = true;
1570         }
1571
1572         // FIXME: the following code should go in favor of fine grained
1573         // update flag treatment.
1574         if (singleParUpdate) {
1575                 // Inserting characters does not change par height
1576                 ParagraphMetrics const & pms
1577                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1578                 if (pms.dim().height()
1579                     == olddim.height()) {
1580                         // if so, update _only_ this paragraph
1581                         cur.updateFlags(Update::SinglePar |
1582                                 Update::FitCursor |
1583                                 Update::MultiParSel);
1584                         return;
1585                 } else
1586                         needsUpdate = true;
1587         }
1588
1589         if (!needsUpdate
1590             && &oldTopSlice.inset() == &cur.inset()
1591             && oldTopSlice.idx() == cur.idx()
1592             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1593             && !cur.selection())
1594                 // FIXME: it would be better if we could just do this
1595                 //
1596                 //if (cur.result().update() != Update::FitCursor)
1597                 //      cur.noUpdate();
1598                 //
1599                 // But some LFUNs do not set Update::FitCursor when needed, so we
1600                 // do it for all. This is not very harmfull as FitCursor will provoke
1601                 // a full redraw only if needed but still, a proper review of all LFUN
1602                 // should be done and this needsUpdate boolean can then be removed.
1603                 cur.updateFlags(Update::FitCursor);
1604         else
1605                 cur.updateFlags(Update::Force | Update::FitCursor);
1606 }
1607
1608
1609 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1610                         FuncStatus & flag) const
1611 {
1612         BOOST_ASSERT(cur.text() == this);
1613
1614         Font const & font = cur.real_current_font;
1615         bool enable = true;
1616         InsetCode code = NO_CODE;
1617
1618         switch (cmd.action) {
1619
1620         case LFUN_DEPTH_DECREMENT:
1621                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1622                 break;
1623
1624         case LFUN_DEPTH_INCREMENT:
1625                 enable = changeDepthAllowed(cur, INC_DEPTH);
1626                 break;
1627
1628         case LFUN_APPENDIX:
1629                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1630                 return true;
1631
1632         case LFUN_BIBITEM_INSERT:
1633                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1634                           && cur.pos() == 0);
1635                 break;
1636
1637         case LFUN_DIALOG_SHOW_NEW_INSET:
1638                 if (cmd.argument() == "bibitem")
1639                         code = BIBITEM_CODE;
1640                 else if (cmd.argument() == "bibtex")
1641                         code = BIBTEX_CODE;
1642                 else if (cmd.argument() == "box")
1643                         code = BOX_CODE;
1644                 else if (cmd.argument() == "branch")
1645                         code = BRANCH_CODE;
1646                 else if (cmd.argument() == "citation")
1647                         code = CITE_CODE;
1648                 else if (cmd.argument() == "ert")
1649                         code = ERT_CODE;
1650                 else if (cmd.argument() == "external")
1651                         code = EXTERNAL_CODE;
1652                 else if (cmd.argument() == "float")
1653                         code = FLOAT_CODE;
1654                 else if (cmd.argument() == "graphics")
1655                         code = GRAPHICS_CODE;
1656                 else if (cmd.argument() == "href")
1657                         code = HYPERLINK_CODE;
1658                 else if (cmd.argument() == "include")
1659                         code = INCLUDE_CODE;
1660                 else if (cmd.argument() == "index")
1661                         code = INDEX_CODE;
1662                 else if (cmd.argument() == "nomenclature")
1663                         code = NOMENCL_CODE;
1664                 else if (cmd.argument() == "label")
1665                         code = LABEL_CODE;
1666                 else if (cmd.argument() == "note")
1667                         code = NOTE_CODE;
1668                 else if (cmd.argument() == "ref")
1669                         code = REF_CODE;
1670                 else if (cmd.argument() == "toc")
1671                         code = TOC_CODE;
1672                 else if (cmd.argument() == "vspace")
1673                         code = VSPACE_CODE;
1674                 else if (cmd.argument() == "wrap")
1675                         code = WRAP_CODE;
1676                 else if (cmd.argument() == "listings")
1677                         code = LISTINGS_CODE;
1678                 break;
1679
1680         case LFUN_ERT_INSERT:
1681                 code = ERT_CODE;
1682                 break;
1683         case LFUN_LISTING_INSERT:
1684             code = LISTINGS_CODE;
1685                 break;
1686         case LFUN_FOOTNOTE_INSERT:
1687                 code = FOOT_CODE;
1688                 break;
1689         case LFUN_TABULAR_INSERT:
1690                 code = TABULAR_CODE;
1691                 break;
1692         case LFUN_MARGINALNOTE_INSERT:
1693                 code = MARGIN_CODE;
1694                 break;
1695         case LFUN_FLOAT_INSERT:
1696         case LFUN_FLOAT_WIDE_INSERT:
1697                 code = FLOAT_CODE;
1698                 break;
1699         case LFUN_WRAP_INSERT:
1700                 code = WRAP_CODE;
1701                 break;
1702         case LFUN_FLOAT_LIST:
1703                 code = FLOAT_LIST_CODE;
1704                 break;
1705 #if 0
1706         case LFUN_LIST_INSERT:
1707                 code = LIST_CODE;
1708                 break;
1709         case LFUN_THEOREM_INSERT:
1710                 code = THEOREM_CODE;
1711                 break;
1712 #endif
1713         case LFUN_CAPTION_INSERT:
1714                 code = CAPTION_CODE;
1715                 break;
1716         case LFUN_NOTE_INSERT:
1717                 code = NOTE_CODE;
1718                 break;
1719         case LFUN_FLEX_INSERT: {
1720                 code = FLEX_CODE;
1721                 string s = cmd.getArg(0);
1722                 InsetLayout il =  cur.buffer().params().getTextClass().insetlayout(from_utf8(s));
1723                 if (il.lyxtype != "charstyle" &&
1724                     il.lyxtype != "custom" &&
1725                     il.lyxtype != "element")
1726                         enable = false;
1727                 break;
1728                 }
1729         case LFUN_BOX_INSERT:
1730                 code = BOX_CODE;
1731                 break;
1732         case LFUN_BRANCH_INSERT:
1733                 code = BRANCH_CODE;
1734                 if (cur.buffer().masterBuffer()->params().branchlist().empty())
1735                         enable = false;
1736                 break;
1737         case LFUN_LABEL_INSERT:
1738                 code = LABEL_CODE;
1739                 break;
1740         case LFUN_INFO_INSERT:
1741                 code = INFO_CODE;
1742                 break;
1743         case LFUN_OPTIONAL_INSERT:
1744                 code = OPTARG_CODE;
1745                 enable = cur.paragraph().numberOfOptArgs()
1746                         < cur.paragraph().layout()->optionalargs;
1747                 break;
1748         case LFUN_ENVIRONMENT_INSERT:
1749                 code = BOX_CODE;
1750                 break;
1751         case LFUN_INDEX_INSERT:
1752                 code = INDEX_CODE;
1753                 break;
1754         case LFUN_INDEX_PRINT:
1755                 code = INDEX_PRINT_CODE;
1756                 break;
1757         case LFUN_NOMENCL_INSERT:
1758                 code = NOMENCL_CODE;
1759                 break;
1760         case LFUN_NOMENCL_PRINT:
1761                 code = NOMENCL_PRINT_CODE;
1762                 break;
1763         case LFUN_TOC_INSERT:
1764                 code = TOC_CODE;
1765                 break;
1766         case LFUN_HYPERLINK_INSERT:
1767                 code = HYPERLINK_CODE;
1768                 break;
1769         case LFUN_QUOTE_INSERT:
1770                 // always allow this, since we will inset a raw quote
1771                 // if an inset is not allowed.
1772                 break;
1773         case LFUN_HYPHENATION_POINT_INSERT:
1774         case LFUN_LIGATURE_BREAK_INSERT:
1775         case LFUN_HFILL_INSERT:
1776         case LFUN_MENU_SEPARATOR_INSERT:
1777         case LFUN_DOTS_INSERT:
1778         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1779                 code = SPECIALCHAR_CODE;
1780                 break;
1781         case LFUN_SPACE_INSERT:
1782                 // slight hack: we know this is allowed in math mode
1783                 if (cur.inTexted())
1784                         code = SPACE_CODE;
1785                 break;
1786
1787         case LFUN_INSET_MODIFY:
1788                 // We need to disable this, because we may get called for a
1789                 // tabular cell via
1790                 // InsetTabular::getStatus() -> InsetText::getStatus()
1791                 // and we don't handle LFUN_INSET_MODIFY.
1792                 enable = false;
1793                 break;
1794
1795         case LFUN_FONT_EMPH:
1796                 flag.setOnOff(font.emph() == Font::ON);
1797                 return true;
1798
1799         case LFUN_FONT_NOUN:
1800                 flag.setOnOff(font.noun() == Font::ON);
1801                 return true;
1802
1803         case LFUN_FONT_BOLD:
1804                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1805                 return true;
1806
1807         case LFUN_FONT_SANS:
1808                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1809                 return true;
1810
1811         case LFUN_FONT_ROMAN:
1812                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1813                 return true;
1814
1815         case LFUN_FONT_TYPEWRITER:
1816                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1817                 return true;
1818
1819         case LFUN_CUT:
1820         case LFUN_COPY:
1821                 enable = cur.selection();
1822                 break;
1823
1824         case LFUN_PASTE:
1825                 if (cmd.argument().empty()) {
1826                         if (theClipboard().isInternal())
1827                                 enable = cap::numberOfSelections() > 0;
1828                         else
1829                                 enable = !theClipboard().empty();
1830                 } else {
1831                         string const arg = to_utf8(cmd.argument());
1832                         if (isStrUnsignedInt(arg)) {
1833                                 unsigned int n = convert<unsigned int>(arg);
1834                                 enable = cap::numberOfSelections() > n;
1835                         } else
1836                                 // unknown argument
1837                                 enable = false;
1838                 }
1839                 break;
1840
1841         case LFUN_CLIPBOARD_PASTE:
1842                 enable = !theClipboard().empty();
1843                 break;
1844
1845         case LFUN_PRIMARY_SELECTION_PASTE:
1846                 enable = cur.selection() || !theSelection().empty();
1847                 break;
1848
1849         case LFUN_PARAGRAPH_MOVE_UP:
1850                 enable = cur.pit() > 0 && !cur.selection();
1851                 break;
1852
1853         case LFUN_PARAGRAPH_MOVE_DOWN:
1854                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1855                 break;
1856
1857         case LFUN_INSET_DISSOLVE:
1858                 if (!cmd.argument().empty()) {
1859                         InsetLayout il = cur.inset().getLayout(cur.buffer().params());
1860                         enable = cur.inset().lyxCode() == FLEX_CODE
1861                                  && il.lyxtype == to_utf8(cmd.argument());
1862                 } else {
1863                         enable = !isMainText(cur.bv().buffer())
1864                                  && cur.inset().nargs() == 1;
1865                 }
1866                 break;
1867
1868         case LFUN_CHANGE_ACCEPT:
1869         case LFUN_CHANGE_REJECT:
1870                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1871                 // In principle, these LFUNs should only be enabled if there
1872                 // is a change at the current position/in the current selection.
1873                 // However, without proper optimizations, this will inevitably
1874                 // result in unacceptable performance - just imagine a user who
1875                 // wants to select the complete content of a long document.
1876                 enable = true;
1877                 break;
1878
1879         case LFUN_WORD_DELETE_FORWARD:
1880         case LFUN_WORD_DELETE_BACKWARD:
1881         case LFUN_LINE_DELETE:
1882         case LFUN_WORD_FORWARD:
1883         case LFUN_WORD_BACKWARD:
1884         case LFUN_CHAR_FORWARD:
1885         case LFUN_CHAR_FORWARD_SELECT:
1886         case LFUN_CHAR_BACKWARD:
1887         case LFUN_CHAR_BACKWARD_SELECT:
1888         case LFUN_CHAR_LEFT:
1889         case LFUN_CHAR_LEFT_SELECT:
1890         case LFUN_CHAR_RIGHT:
1891         case LFUN_CHAR_RIGHT_SELECT:
1892         case LFUN_UP:
1893         case LFUN_UP_SELECT:
1894         case LFUN_DOWN:
1895         case LFUN_DOWN_SELECT:
1896         case LFUN_PARAGRAPH_UP_SELECT:
1897         case LFUN_PARAGRAPH_DOWN_SELECT:
1898         case LFUN_SCREEN_UP_SELECT:
1899         case LFUN_SCREEN_DOWN_SELECT:
1900         case LFUN_LINE_BEGIN_SELECT:
1901         case LFUN_LINE_END_SELECT:
1902         case LFUN_WORD_FORWARD_SELECT:
1903         case LFUN_WORD_BACKWARD_SELECT:
1904         case LFUN_WORD_SELECT:
1905         case LFUN_PARAGRAPH_UP:
1906         case LFUN_PARAGRAPH_DOWN:
1907         case LFUN_LINE_BEGIN:
1908         case LFUN_LINE_END:
1909         case LFUN_BREAK_LINE:
1910         case LFUN_CHAR_DELETE_FORWARD:
1911         case LFUN_DELETE_FORWARD_SKIP:
1912         case LFUN_CHAR_DELETE_BACKWARD:
1913         case LFUN_DELETE_BACKWARD_SKIP:
1914         case LFUN_BREAK_PARAGRAPH:
1915         case LFUN_BREAK_PARAGRAPH_SKIP:
1916         case LFUN_PARAGRAPH_SPACING:
1917         case LFUN_INSET_INSERT:
1918         case LFUN_WORD_UPCASE:
1919         case LFUN_WORD_LOWCASE:
1920         case LFUN_WORD_CAPITALIZE:
1921         case LFUN_CHARS_TRANSPOSE:
1922         case LFUN_SERVER_GET_XY:
1923         case LFUN_SERVER_SET_XY:
1924         case LFUN_SERVER_GET_FONT:
1925         case LFUN_SERVER_GET_LAYOUT:
1926         case LFUN_LAYOUT:
1927         case LFUN_DATE_INSERT:
1928         case LFUN_SELF_INSERT:
1929         case LFUN_LINE_INSERT:
1930         case LFUN_PAGEBREAK_INSERT:
1931         case LFUN_CLEARPAGE_INSERT:
1932         case LFUN_CLEARDOUBLEPAGE_INSERT:
1933         case LFUN_MATH_DISPLAY:
1934         case LFUN_MATH_IMPORT_SELECTION:
1935         case LFUN_MATH_MODE:
1936         case LFUN_MATH_MACRO:
1937         case LFUN_MATH_MATRIX:
1938         case LFUN_MATH_DELIM:
1939         case LFUN_MATH_BIGDELIM:
1940         case LFUN_MATH_INSERT:
1941         case LFUN_MATH_SUBSCRIPT:
1942         case LFUN_MATH_SUPERSCRIPT:
1943         case LFUN_FONT_DEFAULT:
1944         case LFUN_FONT_UNDERLINE:
1945         case LFUN_FONT_SIZE:
1946         case LFUN_LANGUAGE:
1947         case LFUN_FONT_FREE_APPLY:
1948         case LFUN_FONT_FREE_UPDATE:
1949         case LFUN_LAYOUT_PARAGRAPH:
1950         case LFUN_PARAGRAPH_UPDATE:
1951         case LFUN_ACCENT_UMLAUT:
1952         case LFUN_ACCENT_CIRCUMFLEX:
1953         case LFUN_ACCENT_GRAVE:
1954         case LFUN_ACCENT_ACUTE:
1955         case LFUN_ACCENT_TILDE:
1956         case LFUN_ACCENT_CEDILLA:
1957         case LFUN_ACCENT_MACRON:
1958         case LFUN_ACCENT_DOT:
1959         case LFUN_ACCENT_UNDERDOT:
1960         case LFUN_ACCENT_UNDERBAR:
1961         case LFUN_ACCENT_CARON:
1962         case LFUN_ACCENT_SPECIAL_CARON:
1963         case LFUN_ACCENT_BREVE:
1964         case LFUN_ACCENT_TIE:
1965         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1966         case LFUN_ACCENT_CIRCLE:
1967         case LFUN_ACCENT_OGONEK:
1968         case LFUN_THESAURUS_ENTRY:
1969         case LFUN_PARAGRAPH_PARAMS_APPLY:
1970         case LFUN_PARAGRAPH_PARAMS:
1971         case LFUN_ESCAPE:
1972         case LFUN_BUFFER_END:
1973         case LFUN_BUFFER_BEGIN:
1974         case LFUN_BUFFER_BEGIN_SELECT:
1975         case LFUN_BUFFER_END_SELECT:
1976         case LFUN_UNICODE_INSERT:
1977                 // these are handled in our dispatch()
1978                 enable = true;
1979                 break;
1980
1981         default:
1982                 return false;
1983         }
1984
1985         if (code != NO_CODE
1986             && (cur.empty() || !cur.inset().insetAllowed(code)))
1987                 enable = false;
1988
1989         flag.enabled(enable);
1990         return true;
1991 }
1992
1993
1994 void Text::pasteString(Cursor & cur, docstring const & clip,
1995                 bool asParagraphs)
1996 {
1997         cur.clearSelection();
1998         if (!clip.empty()) {
1999                 cur.recordUndo();
2000                 if (asParagraphs)
2001                         insertStringAsParagraphs(cur, clip);
2002                 else
2003                         insertStringAsLines(cur, clip);
2004         }
2005 }
2006
2007 } // namespace lyx