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 "BranchList.h"
  21 #include "FloatList.h"
  22 #include "FuncStatus.h"
  23 #include "Buffer.h"
  24 #include "buffer_funcs.h"
  25 #include "BufferParams.h"
  26 #include "BufferView.h"
  27 #include "bufferview_funcs.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 "LyXAction.h"
  39 #include "LyXFunc.h"
  40 #include "Lexer.h"
  41 #include "LyXRC.h"
  42 #include "Paragraph.h"
  43 #include "paragraph_funcs.h"
  44 #include "ParagraphParameters.h"
  45 #include "Undo.h"
  46 #include "VSpace.h"
  47 #include "ParIterator.h"
  48
  49 #include "frontends/Clipboard.h"
  50 #include "frontends/Selection.h"
  51
  52 #include "insets/InsetCommand.h"
  53 #include "insets/InsetFloatList.h"
  54 #include "insets/InsetNewline.h"
  55 #include "insets/InsetQuotes.h"
  56 #include "insets/InsetSpecialChar.h"
  57 #include "insets/InsetText.h"
  58
  59 #include "support/lstrings.h"
  60 #include "support/lyxlib.h"
  61 #include "support/convert.h"
  62 #include "support/lyxtime.h"
  63
  64 #include "mathed/InsetMathHull.h"
  65 #include "mathed/MathMacroTemplate.h"
  66
  67 #include <boost/current_function.hpp>
  68
  69 #include <clocale>
  70 #include <sstream>
  71
  72 using std::endl;
  73 using std::string;
  74 using std::istringstream;
  75 using std::ostringstream;
  76
  77 namespace lyx {
  78
  79 using cap::copySelection;
  80 using cap::cutSelection;
  81 using cap::pasteFromStack;
  82 using cap::pasteClipboard;
  83 using cap::replaceSelection;
  84
  85 using support::isStrUnsignedInt;
  86 using support::token;
  87
  88 namespace frontend {
  89 extern docstring current_layout;
  90 }
  91
  92 namespace {
  93
  94         // globals...
  95         Font freefont(Font::ALL_IGNORE);
  96         bool toggleall = false;
  97
  98         void toggleAndShow(Cursor & cur, Text * text,
  99                 Font const & font, bool toggleall = true)
 100         {
 101                 text->toggleFree(cur, font, toggleall);
 102
 103                 if (font.language() != ignore_language ||
 104                                 font.number() != Font::IGNORE) {
 105                         Paragraph & par = cur.paragraph();
 106                         if (cur.boundary() != text->isRTLBoundary(cur.buffer(), par,
 107                                                 cur.pos(), text->real_current_font))
 108                                 text->setCursor(cur, cur.pit(), cur.pos(),
 109                                                 false, !cur.boundary());
 110                 }
 111         }
 112
 113
 114         void moveCursor(Cursor & cur, bool selecting)
 115         {
 116                 if (selecting || cur.mark())
 117                         cur.setSelection();
 118         }
 119
 120
 121         void finishChange(Cursor & cur, bool selecting)
 122         {
 123                 finishUndo();
 124                 moveCursor(cur, selecting);
 125         }
 126
 127
 128         void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 129         {
 130                 recordUndo(cur);
 131                 docstring sel = cur.selectionAsString(false);
 132
 133                 // It may happen that sel is empty but there is a selection
 134                 replaceSelection(cur);
 135
 136                 if (sel.empty()) {
 137 #ifdef ENABLE_ASSERTIONS
 138                         const int old_pos = cur.pos();
 139 #endif
 140                         cur.insert(new InsetMathHull(hullSimple));
 141                         BOOST_ASSERT(old_pos == cur.pos());
 142                         cur.nextInset()->edit(cur, true);
 143                         // don't do that also for LFUN_MATH_MODE
 144                         // unless you want end up with always changing
 145                         // to mathrm when opening an inlined inset --
 146                         // I really hate "LyXfunc overloading"...
 147                         if (display)
 148                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 149                         // Avoid an unnecessary undo step if cmd.argument
 150                         // is empty
 151                         if (!cmd.argument().empty())
 152                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 153                                                          cmd.argument()));
 154                 } else {
 155                         // create a macro if we see "\\newcommand"
 156                         // somewhere, and an ordinary formula
 157                         // otherwise
 158                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 159                             && sel.find(from_ascii("\\def")) == string::npos)
 160                         {
 161                                 InsetMathHull * formula = new InsetMathHull;
 162                                 istringstream is(to_utf8(sel));
 163                                 Lexer lex(0, 0);
 164                                 lex.setStream(is);
 165                                 formula->read(cur.buffer(), lex);
 166                                 if (formula->getType() == hullNone)
 167                                         // Don't create pseudo formulas if
 168                                         // delimiters are left out
 169                                         formula->mutate(hullSimple);
 170                                 cur.insert(formula);
 171                         } else {
 172                                 cur.insert(new MathMacroTemplate(sel));
 173                         }
 174                 }
 175                 cur.message(from_utf8(N_("Math editor mode")));
 176         }
 177
 178 } // namespace anon
 179
 180
 181
 182 namespace bv_funcs {
 183
 184 string const freefont2string()
 185 {
 186         string data;
 187         if (font2string(freefont, toggleall, data))
 188                 return data;
 189         return string();
 190 }
 191
 192 }
 193
 194
 195 namespace {
 196
 197 void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 198 {
 199         recordUndo(cur);
 200         cap::replaceSelection(cur);
 201         cur.insert(new InsetSpecialChar(kind));
 202         cur.posRight();
 203 }
 204
 205
 206 bool doInsertInset(Cursor & cur, Text * text,
 207         FuncRequest const & cmd, bool edit, bool pastesel)
 208 {
 209         Inset * inset = createInset(&cur.bv(), cmd);
 210         if (!inset)
 211                 return false;
 212
 213         recordUndo(cur);
 214         bool gotsel = false;
 215         if (cur.selection()) {
 216                 lyx::dispatch(FuncRequest(LFUN_CUT));
 217                 gotsel = true;
 218         }
 219         text->insertInset(cur, inset);
 220
 221         if (edit)
 222                 inset->edit(cur, true);
 223
 224         if (gotsel && pastesel) {
 225                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 226                 // reset first par to default
 227                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 228                         LayoutPtr const layout =
 229                                 cur.buffer().params().getTextClass().defaultLayout();
 230                         cur.text()->paragraphs().begin()->layout(layout);
 231                 }
 232         }
 233         return true;
 234 }
 235
 236
 237 } // anon namespace
 238
 239
 240 void Text::number(Cursor & cur)
 241 {
 242         Font font(Font::ALL_IGNORE);
 243         font.setNumber(Font::TOGGLE);
 244         toggleAndShow(cur, this, font);
 245 }
 246
 247
 248 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 249 {
 250         return par.isRightToLeftPar(buffer.params());
 251 }
 252
 253
 254 bool Text::isRTL(Buffer const & buffer, CursorSlice const & sl, bool boundary) const
 255 {
 256         if (!lyxrc.rtl_support && !sl.text())
 257                 return false;
 258
 259         int correction = 0;
 260         if (boundary && sl.pos() > 0)
 261                 correction = -1;
 262
 263         Paragraph const & par = getPar(sl.pit());
 264         return getFont(buffer, par, sl.pos() + correction).isVisibleRightToLeft();
 265 }
 266
 267
 268 bool Text::isRTLBoundary(Buffer const & buffer, Paragraph const & par,
 269                          pos_type pos) const
 270 {
 271         if (!lyxrc.rtl_support)
 272                 return false;
 273
 274         // no RTL boundary at line start
 275         if (pos == 0)
 276                 return false;
 277
 278         bool left = getFont(buffer, par, pos - 1).isVisibleRightToLeft();
 279         bool right;
 280         if (pos == par.size())
 281                 right = par.isRightToLeftPar(buffer.params());
 282         else
 283                 right = getFont(buffer, par, pos).isVisibleRightToLeft();
 284         return left != right;
 285 }
 286
 287
 288 bool Text::isRTLBoundary(Buffer const & buffer, Paragraph const & par,
 289                          pos_type pos, Font const & font) const
 290 {
 291         if (!lyxrc.rtl_support)
 292                 return false;
 293
 294         bool left = font.isVisibleRightToLeft();
 295         bool right;
 296         if (pos == par.size())
 297                 right = par.isRightToLeftPar(buffer.params());
 298         else
 299                 right = getFont(buffer, par, pos).isVisibleRightToLeft();
 300         return left != right;
 301 }
 302
 303
 304 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 305 {
 306         LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;
 307
 308         // FIXME: We use the update flag to indicates wether a singlePar or a
 309         // full screen update is needed. We reset it here but shall we restore it
 310         // at the end?
 311         cur.noUpdate();
 312
 313         BOOST_ASSERT(cur.text() == this);
 314         BufferView * bv = &cur.bv();
 315         TextMetrics & tm = cur.bv().textMetrics(this);
 316         CursorSlice oldTopSlice = cur.top();
 317         bool oldBoundary = cur.boundary();
 318         bool sel = cur.selection();
 319         // Signals that, even if needsUpdate == false, an update of the
 320         // cursor paragraph is required
 321         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 322                 LyXAction::SingleParUpdate);
 323         // Signals that a full-screen update is required
 324         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 325                 LyXAction::NoUpdate) || singleParUpdate);
 326         // Remember the old paragraph metric (_outer_ paragraph!)
 327         ParagraphMetrics const & pm = cur.bv().parMetrics(
 328                 cur.bottom().text(), cur.bottom().pit());
 329         Dimension olddim = pm.dim();
 330
 331         switch (cmd.action) {
 332
 333         case LFUN_PARAGRAPH_MOVE_DOWN: {
 334                 pit_type const pit = cur.pit();
 335                 recUndo(cur, pit, pit + 1);
 336                 finishUndo();
 337                 std::swap(pars_[pit], pars_[pit + 1]);
 338                 updateLabels(cur.buffer());
 339                 needsUpdate = true;
 340                 ++cur.pit();
 341                 break;
 342         }
 343
 344         case LFUN_PARAGRAPH_MOVE_UP: {
 345                 pit_type const pit = cur.pit();
 346                 recUndo(cur, pit - 1, pit);
 347                 finishUndo();
 348                 std::swap(pars_[pit], pars_[pit - 1]);
 349                 updateLabels(cur.buffer());
 350                 --cur.pit();
 351                 needsUpdate = true;
 352                 break;
 353         }
 354
 355         case LFUN_APPENDIX: {
 356                 Paragraph & par = cur.paragraph();
 357                 bool start = !par.params().startOfAppendix();
 358
 359 // FIXME: The code below only makes sense at top level.
 360 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 361                 // ensure that we have only one start_of_appendix in this document
 362                 // FIXME: this don't work for multipart document!
 363                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 364                         if (pars_[tmp].params().startOfAppendix()) {
 365                                 recUndo(cur, tmp);
 366                                 pars_[tmp].params().startOfAppendix(false);
 367                                 break;
 368                         }
 369                 }
 370
 371                 recordUndo(cur);
 372                 par.params().startOfAppendix(start);
 373
 374                 // we can set the refreshing parameters now
 375                 updateLabels(cur.buffer());
 376                 break;
 377         }
 378
 379         case LFUN_WORD_DELETE_FORWARD:
 380                 if (cur.selection()) {
 381                         cutSelection(cur, true, false);
 382                 } else
 383                         deleteWordForward(cur);
 384                 finishChange(cur, false);
 385                 break;
 386
 387         case LFUN_WORD_DELETE_BACKWARD:
 388                 if (cur.selection()) {
 389                         cutSelection(cur, true, false);
 390                 } else
 391                         deleteWordBackward(cur);
 392                 finishChange(cur, false);
 393                 break;
 394
 395         case LFUN_LINE_DELETE:
 396                 if (cur.selection()) {
 397                         cutSelection(cur, true, false);
 398                 } else
 399                         tm.deleteLineForward(cur);
 400                 finishChange(cur, false);
 401                 break;
 402
 403         case LFUN_BUFFER_BEGIN:
 404         case LFUN_BUFFER_BEGIN_SELECT:
 405                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 406                 if (cur.depth() == 1) {
 407                         needsUpdate |= cursorTop(cur);
 408                 } else {
 409                         cur.undispatched();
 410                 }
 411                 break;
 412
 413         case LFUN_BUFFER_END:
 414         case LFUN_BUFFER_END_SELECT:
 415                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 416                 if (cur.depth() == 1) {
 417                         needsUpdate |= cursorBottom(cur);
 418                 } else {
 419                         cur.undispatched();
 420                 }
 421                 break;
 422
 423         case LFUN_CHAR_FORWARD:
 424         case LFUN_CHAR_FORWARD_SELECT:
 425                 //lyxerr << BOOST_CURRENT_FUNCTION
 426                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 427                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 428                 if (reverseDirectionNeeded(cur))
 429                         needsUpdate |= cursorLeft(cur);
 430                 else
 431                         needsUpdate |= cursorRight(cur);
 432
 433                 if (!needsUpdate && oldTopSlice == cur.top()
 434                                 && cur.boundary() == oldBoundary) {
 435                         cur.undispatched();
 436                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 437                 }
 438                 break;
 439
 440         case LFUN_CHAR_BACKWARD:
 441         case LFUN_CHAR_BACKWARD_SELECT:
 442                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 443                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 444                 if (reverseDirectionNeeded(cur))
 445                         needsUpdate |= cursorRight(cur);
 446                 else
 447                         needsUpdate |= cursorLeft(cur);
 448
 449                 if (!needsUpdate && oldTopSlice == cur.top()
 450                         && cur.boundary() == oldBoundary) {
 451                         cur.undispatched();
 452                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 453                 }
 454                 break;
 455
 456         case LFUN_UP_SELECT:
 457         case LFUN_DOWN_SELECT:
 458         case LFUN_UP:
 459         case LFUN_DOWN: {
 460                 // stop/start the selection
 461                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 462                         cmd.action == LFUN_UP_SELECT;
 463                 cur.selHandle(select);
 464
 465                 // move cursor up/down
 466                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 467                 bool const successful = cur.upDownInText(up, needsUpdate);
 468                 if (successful) {
 469                         // notify insets which were left and get their update flags
 470                         notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
 471                         cur.fixIfBroken();
 472
 473                         // redraw if you leave mathed (for the decorations)
 474                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 475                 } else
 476                         cur.undispatched();
 477
 478                 break;
 479         }
 480
 481         case LFUN_PARAGRAPH_UP:
 482         case LFUN_PARAGRAPH_UP_SELECT:
 483                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 484                 needsUpdate |= cursorUpParagraph(cur);
 485                 break;
 486
 487         case LFUN_PARAGRAPH_DOWN:
 488         case LFUN_PARAGRAPH_DOWN_SELECT:
 489                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 490                 needsUpdate |= cursorDownParagraph(cur);
 491                 break;
 492
 493         case LFUN_SCREEN_UP:
 494         case LFUN_SCREEN_UP_SELECT:
 495                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 496                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 497                         cur.undispatched();
 498                 else {
 499                         tm.cursorPrevious(cur);
 500                 }
 501                 break;
 502
 503         case LFUN_SCREEN_DOWN:
 504         case LFUN_SCREEN_DOWN_SELECT:
 505                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 506                 if (cur.pit() == cur.lastpit()
 507                           && cur.textRow().endpos() == cur.lastpos())
 508                         cur.undispatched();
 509                 else {
 510                         tm.cursorNext(cur);
 511                 }
 512                 break;
 513
 514         case LFUN_LINE_BEGIN:
 515         case LFUN_LINE_BEGIN_SELECT:
 516                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 517                 needsUpdate |= tm.cursorHome(cur);
 518                 break;
 519
 520         case LFUN_LINE_END:
 521         case LFUN_LINE_END_SELECT:
 522                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 523                 needsUpdate |= tm.cursorEnd(cur);
 524                 break;
 525
 526         case LFUN_WORD_FORWARD:
 527         case LFUN_WORD_FORWARD_SELECT:
 528                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 529                 if (reverseDirectionNeeded(cur))
 530                         needsUpdate |= cursorLeftOneWord(cur);
 531                 else
 532                         needsUpdate |= cursorRightOneWord(cur);
 533                 break;
 534
 535         case LFUN_WORD_BACKWARD:
 536         case LFUN_WORD_BACKWARD_SELECT:
 537                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 538                 if (reverseDirectionNeeded(cur))
 539                         needsUpdate |= cursorRightOneWord(cur);
 540                 else
 541                         needsUpdate |= cursorLeftOneWord(cur);
 542                 break;
 543
 544         case LFUN_WORD_SELECT: {
 545                 selectWord(cur, WHOLE_WORD);
 546                 finishChange(cur, true);
 547                 break;
 548         }
 549
 550         case LFUN_BREAK_LINE: {
 551                 // Not allowed by LaTeX (labels or empty par)
 552                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 553                         // this avoids a double undo
 554                         // FIXME: should not be needed, ideally
 555                         if (!cur.selection())
 556                                 recordUndo(cur);
 557                         cap::replaceSelection(cur);
 558                         cur.insert(new InsetNewline);
 559                         cur.posRight();
 560                         moveCursor(cur, false);
 561                 }
 562                 break;
 563         }
 564
 565         case LFUN_CHAR_DELETE_FORWARD:
 566                 if (!cur.selection()) {
 567                         if (cur.pos() == cur.paragraph().size())
 568                                 // Par boundary, force full-screen update
 569                                 singleParUpdate = false;
 570                         needsUpdate |= erase(cur);
 571                         cur.resetAnchor();
 572                         // It is possible to make it a lot faster still
 573                         // just comment out the line below...
 574                 } else {
 575                         cutSelection(cur, true, false);
 576                         singleParUpdate = false;
 577                 }
 578                 moveCursor(cur, false);
 579                 break;
 580
 581         case LFUN_DELETE_FORWARD_SKIP:
 582                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 583                 if (!cur.selection()) {
 584                         if (cur.pos() == cur.lastpos()) {
 585                                 cursorRight(cur);
 586                                 cursorLeft(cur);
 587                         }
 588                         erase(cur);
 589                         cur.resetAnchor();
 590                 } else {
 591                         cutSelection(cur, true, false);
 592                 }
 593                 break;
 594
 595
 596         case LFUN_CHAR_DELETE_BACKWARD:
 597                 if (!cur.selection()) {
 598                         if (bv->getIntl().getTransManager().backspace()) {
 599                                 // Par boundary, full-screen update
 600                                 if (cur.pos() == 0)
 601                                         singleParUpdate = false;
 602                                 needsUpdate |= backspace(cur);
 603                                 cur.resetAnchor();
 604                                 // It is possible to make it a lot faster still
 605                                 // just comment out the line below...
 606                         }
 607                 } else {
 608                         cutSelection(cur, true, false);
 609                         singleParUpdate = false;
 610                 }
 611                 break;
 612
 613         case LFUN_DELETE_BACKWARD_SKIP:
 614                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 615                 if (!cur.selection()) {
 616                         // FIXME: look here
 617                         //CursorSlice cur = cursor();
 618                         backspace(cur);
 619                         //anchor() = cur;
 620                 } else {
 621                         cutSelection(cur, true, false);
 622                 }
 623                 break;
 624
 625         case LFUN_BREAK_PARAGRAPH:
 626                 cap::replaceSelection(cur);
 627                 breakParagraph(cur, 0);
 628                 cur.resetAnchor();
 629                 break;
 630
 631         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 632                 cap::replaceSelection(cur);
 633                 breakParagraph(cur, 1);
 634                 cur.resetAnchor();
 635                 break;
 636
 637         case LFUN_BREAK_PARAGRAPH_SKIP: {
 638                 // When at the beginning of a paragraph, remove
 639                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 640                 cap::replaceSelection(cur);
 641                 if (cur.pos() == 0)
 642                         cur.paragraph().params().labelWidthString(docstring());
 643                 else
 644                         breakParagraph(cur, 0);
 645                 cur.resetAnchor();
 646                 break;
 647         }
 648
 649         // TODO
 650         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 651         // as its duties can be performed there. Should it be removed??
 652         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 653         case LFUN_PARAGRAPH_SPACING: {
 654                 Paragraph & par = cur.paragraph();
 655                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 656                 string cur_value = "1.0";
 657                 if (cur_spacing == Spacing::Other)
 658                         cur_value = par.params().spacing().getValueAsString();
 659
 660                 istringstream is(to_utf8(cmd.argument()));
 661                 string tmp;
 662                 is >> tmp;
 663                 Spacing::Space new_spacing = cur_spacing;
 664                 string new_value = cur_value;
 665                 if (tmp.empty()) {
 666                         lyxerr << "Missing argument to `paragraph-spacing'"
 667                                << endl;
 668                 } else if (tmp == "single") {
 669                         new_spacing = Spacing::Single;
 670                 } else if (tmp == "onehalf") {
 671                         new_spacing = Spacing::Onehalf;
 672                 } else if (tmp == "double") {
 673                         new_spacing = Spacing::Double;
 674                 } else if (tmp == "other") {
 675                         new_spacing = Spacing::Other;
 676                         string tmpval = "0.0";
 677                         is >> tmpval;
 678                         lyxerr << "new_value = " << tmpval << endl;
 679                         if (tmpval != "0.0")
 680                                 new_value = tmpval;
 681                 } else if (tmp == "default") {
 682                         new_spacing = Spacing::Default;
 683                 } else {
 684                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 685                                << to_utf8(cmd.argument()) << endl;
 686                 }
 687                 if (cur_spacing != new_spacing || cur_value != new_value)
 688                         par.params().spacing(Spacing(new_spacing, new_value));
 689                 break;
 690         }
 691
 692         case LFUN_INSET_INSERT: {
 693                 recordUndo(cur);
 694                 Inset * inset = createInset(bv, cmd);
 695                 if (inset) {
 696                         // FIXME (Abdel 01/02/2006):
 697                         // What follows would be a partial fix for bug 2154:
 698                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 699                         // This automatically put the label inset _after_ a
 700                         // numbered section. It should be possible to extend the mechanism
 701                         // to any kind of LateX environement.
 702                         // The correct way to fix that bug would be at LateX generation.
 703                         // I'll let the code here for reference as it could be used for some
 704                         // other feature like "automatic labelling".
 705                         /*
 706                         Paragraph & par = pars_[cur.pit()];
 707                         if (inset->lyxCode() == Inset::LABEL_CODE
 708                                 && par.layout()->labeltype == LABEL_COUNTER) {
 709                                 // Go to the end of the paragraph
 710                                 // Warning: Because of Change-Tracking, the last
 711                                 // position is 'size()' and not 'size()-1':
 712                                 cur.pos() = par.size();
 713                                 // Insert a new paragraph
 714                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 715                                 dispatch(cur, fr);
 716                         }
 717                         */
 718                         if (cur.selection())
 719                                 cutSelection(cur, true, false);
 720                         insertInset(cur, inset);
 721                         cur.posRight();
 722                 }
 723                 break;
 724         }
 725
 726         case LFUN_INSET_DISSOLVE:
 727                 needsUpdate |= dissolveInset(cur);
 728                 break;
 729
 730         case LFUN_INSET_SETTINGS:
 731                 cur.inset().showInsetDialog(bv);
 732                 break;
 733
 734         case LFUN_SPACE_INSERT:
 735                 if (cur.paragraph().layout()->free_spacing)
 736                         insertChar(cur, ' ');
 737                 else {
 738                         doInsertInset(cur, this, cmd, false, false);
 739                         cur.posRight();
 740                 }
 741                 moveCursor(cur, false);
 742                 break;
 743
 744         case LFUN_HYPHENATION_POINT_INSERT:
 745                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 746                 break;
 747
 748         case LFUN_LIGATURE_BREAK_INSERT:
 749                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 750                 break;
 751
 752         case LFUN_DOTS_INSERT:
 753                 specialChar(cur, InsetSpecialChar::LDOTS);
 754                 break;
 755
 756         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 757                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 758                 break;
 759
 760         case LFUN_MENU_SEPARATOR_INSERT:
 761                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 762                 break;
 763
 764         case LFUN_WORD_UPCASE:
 765                 changeCase(cur, Text::text_uppercase);
 766                 break;
 767
 768         case LFUN_WORD_LOWCASE:
 769                 changeCase(cur, Text::text_lowercase);
 770                 break;
 771
 772         case LFUN_WORD_CAPITALIZE:
 773                 changeCase(cur, Text::text_capitalization);
 774                 break;
 775
 776         case LFUN_CHARS_TRANSPOSE:
 777                 charsTranspose(cur);
 778                 break;
 779
 780         case LFUN_PASTE:
 781                 cur.message(_("Paste"));
 782                 cap::replaceSelection(cur);
 783                 if (cmd.argument().empty() && !theClipboard().isInternal())
 784                         pasteClipboard(cur, bv->buffer().errorList("Paste"));
 785                 else {
 786                         string const arg(to_utf8(cmd.argument()));
 787                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 788                                         isStrUnsignedInt(arg) ?
 789                                                 convert<unsigned int>(arg) :
 790                                                 0);
 791                 }
 792                 bv->buffer().errors("Paste");
 793                 cur.clearSelection(); // bug 393
 794                 finishUndo();
 795                 break;
 796
 797         case LFUN_CUT:
 798                 cutSelection(cur, true, true);
 799                 cur.message(_("Cut"));
 800                 break;
 801
 802         case LFUN_COPY:
 803                 copySelection(cur);
 804                 cur.message(_("Copy"));
 805                 break;
 806
 807         case LFUN_SERVER_GET_XY:
 808                 cur.message(from_utf8(
 809                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 810                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 811                 break;
 812
 813         case LFUN_SERVER_SET_XY: {
 814                 int x = 0;
 815                 int y = 0;
 816                 istringstream is(to_utf8(cmd.argument()));
 817                 is >> x >> y;
 818                 if (!is)
 819                         lyxerr << "SETXY: Could not parse coordinates in '"
 820                                << to_utf8(cmd.argument()) << std::endl;
 821                 else
 822                         tm.setCursorFromCoordinates(cur, x, y);
 823                 break;
 824         }
 825
 826         case LFUN_SERVER_GET_FONT:
 827                 if (current_font.shape() == Font::ITALIC_SHAPE)
 828                         cur.message(from_ascii("E"));
 829                 else if (current_font.shape() == Font::SMALLCAPS_SHAPE)
 830                         cur.message(from_ascii("N"));
 831                 else
 832                         cur.message(from_ascii("0"));
 833                 break;
 834
 835         case LFUN_SERVER_GET_LAYOUT:
 836                 cur.message(cur.paragraph().layout()->name());
 837                 break;
 838
 839         case LFUN_LAYOUT: {
 840                 docstring layout = cmd.argument();
 841                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << to_utf8(layout) << endl;
 842
 843                 // Derive layout number from given argument (string)
 844                 // and current buffer's textclass (number)
 845                 TextClass const & tclass = bv->buffer().params().getTextClass();
 846                 if (layout.empty())
 847                         layout = tclass.defaultLayoutName();
 848                 bool hasLayout = tclass.hasLayout(layout);
 849
 850                 // If the entry is obsolete, use the new one instead.
 851                 if (hasLayout) {
 852                         docstring const & obs = tclass[layout]->obsoleted_by();
 853                         if (!obs.empty())
 854                                 layout = obs;
 855                 }
 856
 857                 if (!hasLayout) {
 858                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 859                                 from_utf8(N_(" not known")));
 860                         break;
 861                 }
 862
 863                 bool change_layout = (frontend::current_layout != layout);
 864
 865                 if (!change_layout && cur.selection() &&
 866                         cur.selBegin().pit() != cur.selEnd().pit())
 867                 {
 868                         pit_type spit = cur.selBegin().pit();
 869                         pit_type epit = cur.selEnd().pit() + 1;
 870                         while (spit != epit) {
 871                                 if (pars_[spit].layout()->name() != frontend::current_layout) {
 872                                         change_layout = true;
 873                                         break;
 874                                 }
 875                                 ++spit;
 876                         }
 877                 }
 878
 879                 if (change_layout) {
 880                         setLayout(cur, layout);
 881                         // inform the GUI that the layout has changed.
 882                         bv->layoutChanged(layout);
 883                 }
 884                 break;
 885         }
 886
 887         case LFUN_CLIPBOARD_PASTE:
 888                 cur.clearSelection();
 889                 pasteClipboard(cur, bv->buffer().errorList("Paste"),
 890                                cmd.argument() == "paragraph");
 891                 bv->buffer().errors("Paste");
 892                 break;
 893
 894         case LFUN_PRIMARY_SELECTION_PASTE:
 895                 pasteString(cur, theSelection().get(),
 896                             cmd.argument() == "paragraph");
 897                 break;
 898
 899         case LFUN_UNICODE_INSERT: {
 900                 if (cmd.argument().empty())
 901                         break;
 902                 docstring hexstring = cmd.argument();
 903                 if (lyx::support::isHex(hexstring)) {
 904                         char_type c = lyx::support::hexToInt(hexstring);
 905                         if (c >= 32 && c < 0x10ffff) {
 906                                 lyxerr << "Inserting c: " << c << endl;
 907                                 docstring s = docstring(1, c);
 908                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 909                         }
 910                 }
 911                 break;
 912         }
 913
 914         case LFUN_QUOTE_INSERT: {
 915                 Paragraph & par = cur.paragraph();
 916                 pos_type pos = cur.pos();
 917                 BufferParams const & bufparams = bv->buffer().params();
 918                 LayoutPtr const & style = par.layout();
 919                 if (!style->pass_thru
 920                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 921                         // this avoids a double undo
 922                         // FIXME: should not be needed, ideally
 923                         if (!cur.selection())
 924                                 recordUndo(cur);
 925                         cap::replaceSelection(cur);
 926                         pos = cur.pos();
 927                         char_type c;
 928                         if (pos == 0)
 929                                 c = ' ';
 930                         else if (cur.prevInset() && cur.prevInset()->isSpace())
 931                                 c = ' ';
 932                         else
 933                                 c = par.getChar(pos - 1);
 934                         string arg = to_utf8(cmd.argument());
 935                         if (arg == "single")
 936                                 cur.insert(new InsetQuotes(c,
 937                                     bufparams.quotes_language,
 938                                     InsetQuotes::SingleQ));
 939                         else
 940                                 cur.insert(new InsetQuotes(c,
 941                                     bufparams.quotes_language,
 942                                     InsetQuotes::DoubleQ));
 943                         cur.posRight();
 944                 }
 945                 else
 946                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 947                 break;
 948         }
 949
 950         case LFUN_DATE_INSERT: {
 951                 string const format = cmd.argument().empty()
 952                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
 953                 string const time = formatted_time(current_time(), format);
 954                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
 955                 break;
 956         }
 957
 958         case LFUN_MOUSE_TRIPLE:
 959                 if (cmd.button() == mouse_button::button1) {
 960                         tm.cursorHome(cur);
 961                         cur.resetAnchor();
 962                         tm.cursorEnd(cur);
 963                         cur.setSelection();
 964                         bv->cursor() = cur;
 965                 }
 966                 break;
 967
 968         case LFUN_MOUSE_DOUBLE:
 969                 if (cmd.button() == mouse_button::button1) {
 970                         selectWord(cur, WHOLE_WORD_STRICT);
 971                         bv->cursor() = cur;
 972                 }
 973                 break;
 974
 975         // Single-click on work area
 976         case LFUN_MOUSE_PRESS: {
 977                 // Right click on a footnote flag opens float menu
 978                 if (cmd.button() == mouse_button::button3)
 979                         cur.clearSelection();
 980
 981                 // Set the cursor
 982                 bool update = bv->mouseSetCursor(cur);
 983
 984                 // Insert primary selection with middle mouse
 985                 // if there is a local selection in the current buffer,
 986                 // insert this
 987                 if (cmd.button() == mouse_button::button2) {
 988                         if (cap::selection()) {
 989                                 // Copy the selection buffer to the clipboard
 990                                 // stack, because we want it to appear in the
 991                                 // "Edit->Paste recent" menu.
 992                                 cap::copySelectionToStack();
 993
 994                                 cap::pasteSelection(bv->cursor(),
 995                                                     bv->buffer().errorList("Paste"));
 996                                 bv->buffer().errors("Paste");
 997                                 bv->buffer().markDirty();
 998                                 finishUndo();
 999                         } else {
1000                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1001                         }
1002                 }
1003
1004                 // we have to update after dEPM triggered
1005                 if (!update && cmd.button() == mouse_button::button1) {
1006                         needsUpdate = false;
1007                         cur.noUpdate();
1008                 }
1009
1010                 break;
1011         }
1012
1013         case LFUN_MOUSE_MOTION: {
1014                 // Only use motion with button 1
1015                 //if (cmd.button() != mouse_button::button1)
1016                 //      return false;
1017
1018                 // ignore motions deeper nested than the real anchor
1019                 Cursor & bvcur = cur.bv().cursor();
1020                 if (bvcur.anchor_.hasPart(cur)) {
1021                         CursorSlice old = bvcur.top();
1022
1023                         int const wh = bv->workHeight();
1024                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1025
1026                         tm.setCursorFromCoordinates(cur, cmd.x, y);
1027                         cur.setTargetX(cmd.x);
1028                         if (cmd.y >= wh)
1029                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1030                         else if (cmd.y < 0)
1031                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1032                         // This is to allow jumping over large insets
1033                         if (cur.top() == old) {
1034                                 if (cmd.y >= wh)
1035                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1036                                 else if (cmd.y < 0)
1037                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1038                         }
1039
1040                         if (cur.top() == old)
1041                                 cur.noUpdate();
1042                         else {
1043                                 // don't set anchor_
1044                                 bvcur.setCursor(cur);
1045                                 bvcur.selection() = true;
1046                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1047                         }
1048
1049                 } else
1050                         cur.undispatched();
1051                 break;
1052         }
1053
1054         case LFUN_MOUSE_RELEASE: {
1055                 if (cmd.button() == mouse_button::button2)
1056                         break;
1057
1058                 if (cmd.button() == mouse_button::button1) {
1059                         // if there is new selection, update persistent
1060                         // selection, otherwise, single click does not
1061                         // clear persistent selection buffer
1062                         if (cur.selection()) {
1063                                 // finish selection
1064                                 // if double click, cur is moved to the end of word by selectWord
1065                                 // but bvcur is current mouse position
1066                                 Cursor & bvcur = cur.bv().cursor();
1067                                 bvcur.selection() = true;
1068                         }
1069                         needsUpdate = false;
1070                         cur.noUpdate();
1071                 }
1072
1073                 break;
1074         }
1075
1076         case LFUN_SELF_INSERT: {
1077                 if (cmd.argument().empty())
1078                         break;
1079
1080                 // Automatically delete the currently selected
1081                 // text and replace it with what is being
1082                 // typed in now. Depends on lyxrc settings
1083                 // "auto_region_delete", which defaults to
1084                 // true (on).
1085
1086                 if (lyxrc.auto_region_delete && cur.selection()) {
1087                         cutSelection(cur, false, false);
1088                         // When change tracking is set to off, the metrics update
1089                         // mechanism correctly detects if a full update is needed or not.
1090                         // This detection fails when a selection spans multiple rows and
1091                         // change tracking is enabled because the paragraph metrics stays
1092                         // the same. In this case, we force the full update:
1093                         // (see http://bugzilla.lyx.org/show_bug.cgi?id=3992)
1094                         if (cur.buffer().params().trackChanges)
1095                                 cur.updateFlags(Update::Force);
1096                 }
1097
1098                 cur.clearSelection();
1099                 Font const old_font = real_current_font;
1100
1101                 docstring::const_iterator cit = cmd.argument().begin();
1102                 docstring::const_iterator end = cmd.argument().end();
1103                 for (; cit != end; ++cit)
1104                         bv->translateAndInsert(*cit, this, cur);
1105
1106                 cur.resetAnchor();
1107                 moveCursor(cur, false);
1108                 break;
1109         }
1110
1111         case LFUN_URL_INSERT: {
1112                 InsetCommandParams p("url");
1113                 docstring content;
1114                 if (cur.selection()) {
1115                         content = cur.selectionAsString(false);
1116                         cutSelection(cur, true, false);
1117                 }
1118                 p["target"] = (cmd.argument().empty()) ?
1119                         content : cmd.argument();
1120                 string const data = InsetCommandMailer::params2string("url", p);
1121                 if (p["target"].empty()) {
1122                         bv->showInsetDialog("url", data, 0);
1123                 } else {
1124                         FuncRequest fr(LFUN_INSET_INSERT, data);
1125                         dispatch(cur, fr);
1126                 }
1127                 break;
1128         }
1129
1130         case LFUN_HTML_INSERT: {
1131                 InsetCommandParams p("htmlurl");
1132                 docstring content;
1133                 if (cur.selection()) {
1134                         content = cur.selectionAsString(false);
1135                         cutSelection(cur, true, false);
1136                 }
1137                 p["target"] = (cmd.argument().empty()) ?
1138                         content : cmd.argument();
1139                 string const data = InsetCommandMailer::params2string("url", p);
1140                 if (p["target"].empty()) {
1141                         bv->showInsetDialog("url", data, 0);
1142                 } else {
1143                         FuncRequest fr(LFUN_INSET_INSERT, data);
1144                         dispatch(cur, fr);
1145                 }
1146                 break;
1147         }
1148
1149         case LFUN_LABEL_INSERT: {
1150                 InsetCommandParams p("label");
1151                 // Try to generate a valid label
1152                 p["name"] = (cmd.argument().empty()) ?
1153                         cur.getPossibleLabel() :
1154                         cmd.argument();
1155                 string const data = InsetCommandMailer::params2string("label", p);
1156
1157                 if (cmd.argument().empty()) {
1158                         bv->showInsetDialog("label", data, 0);
1159                 } else {
1160                         FuncRequest fr(LFUN_INSET_INSERT, data);
1161                         dispatch(cur, fr);
1162                 }
1163                 break;
1164         }
1165
1166
1167 #if 0
1168         case LFUN_LIST_INSERT:
1169         case LFUN_THEOREM_INSERT:
1170 #endif
1171         case LFUN_CAPTION_INSERT:
1172                 // Open the inset, and move the current selection
1173                 // inside it.
1174                 doInsertInset(cur, this, cmd, true, true);
1175                 cur.posRight();
1176                 updateLabels(bv->buffer());
1177                 break;
1178         case LFUN_NOTE_INSERT:
1179         case LFUN_CHARSTYLE_INSERT:
1180         case LFUN_BOX_INSERT:
1181         case LFUN_BRANCH_INSERT:
1182         case LFUN_BIBITEM_INSERT:
1183         case LFUN_ERT_INSERT:
1184         case LFUN_LISTING_INSERT:
1185         case LFUN_FOOTNOTE_INSERT:
1186         case LFUN_MARGINALNOTE_INSERT:
1187         case LFUN_OPTIONAL_INSERT:
1188         case LFUN_ENVIRONMENT_INSERT:
1189                 // Open the inset, and move the current selection
1190                 // inside it.
1191                 doInsertInset(cur, this, cmd, true, true);
1192                 cur.posRight();
1193                 break;
1194
1195         case LFUN_TABULAR_INSERT:
1196                 // if there were no arguments, just open the dialog
1197                 if (doInsertInset(cur, this, cmd, false, true))
1198                         cur.posRight();
1199                 else
1200                         bv->showDialog("tabularcreate");
1201
1202                 break;
1203
1204         case LFUN_FLOAT_INSERT:
1205         case LFUN_FLOAT_WIDE_INSERT:
1206         case LFUN_WRAP_INSERT: {
1207                 bool content = cur.selection();  // will some text be moved into the inset?
1208
1209                 doInsertInset(cur, this, cmd, true, true);
1210                 cur.posRight();
1211                 ParagraphList & pars = cur.text()->paragraphs();
1212
1213                 TextClass const & tclass = bv->buffer().params().getTextClass();
1214
1215                 // add a separate paragraph for the caption inset
1216                 pars.push_back(Paragraph());
1217                 pars.back().setInsetOwner(pars[0].inInset());
1218                 pars.back().layout(tclass.defaultLayout());
1219
1220                 int cap_pit = pars.size() - 1;
1221
1222                 // if an empty inset was created, we create an additional empty
1223                 // paragraph at the bottom so that the user can choose where to put
1224                 // the graphics (or table).
1225                 if (!content) {
1226                         pars.push_back(Paragraph());
1227                         pars.back().setInsetOwner(pars[0].inInset());
1228                         pars.back().layout(tclass.defaultLayout());
1229
1230                 }
1231
1232                 // reposition the cursor to the caption
1233                 cur.pit() = cap_pit;
1234                 cur.pos() = 0;
1235                 // FIXME: This Text/Cursor dispatch handling is a mess!
1236                 // We cannot use Cursor::dispatch here it needs access to up to
1237                 // date metrics.
1238                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1239                 cur.text()->dispatch(cur, cmd_caption);
1240                 cur.updateFlags(Update::Force);
1241                 // FIXME: When leaving the Float (or Wrap) inset we should
1242                 // delete any empty paragraph left above or below the
1243                 // caption.
1244                 break;
1245         }
1246
1247         case LFUN_INDEX_INSERT:
1248         case LFUN_NOMENCL_INSERT: {
1249                 Inset * inset = createInset(&cur.bv(), cmd);
1250                 if (!inset)
1251                         break;
1252                 recordUndo(cur);
1253                 cur.clearSelection();
1254                 insertInset(cur, inset);
1255                 inset->edit(cur, true);
1256                 // Show the dialog for the nomenclature entry, since the
1257                 // description entry still needs to be filled in.
1258                 if (cmd.action == LFUN_NOMENCL_INSERT)
1259                         InsetCommandMailer("nomenclature",
1260                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1261                 cur.posRight();
1262                 break;
1263         }
1264
1265         case LFUN_INDEX_PRINT:
1266         case LFUN_NOMENCL_PRINT:
1267         case LFUN_TOC_INSERT:
1268         case LFUN_HFILL_INSERT:
1269         case LFUN_LINE_INSERT:
1270         case LFUN_PAGEBREAK_INSERT:
1271         case LFUN_CLEARPAGE_INSERT:
1272         case LFUN_CLEARDOUBLEPAGE_INSERT:
1273                 // do nothing fancy
1274                 doInsertInset(cur, this, cmd, false, false);
1275                 cur.posRight();
1276                 break;
1277
1278         case LFUN_DEPTH_DECREMENT:
1279                 changeDepth(cur, DEC_DEPTH);
1280                 break;
1281
1282         case LFUN_DEPTH_INCREMENT:
1283                 changeDepth(cur, INC_DEPTH);
1284                 break;
1285
1286         case LFUN_MATH_DISPLAY:
1287                 mathDispatch(cur, cmd, true);
1288                 break;
1289
1290         case LFUN_MATH_IMPORT_SELECTION:
1291         case LFUN_MATH_MODE:
1292                 if (cmd.argument() == "on")
1293                         // don't pass "on" as argument
1294                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1295                 else
1296                         mathDispatch(cur, cmd, false);
1297                 break;
1298
1299         case LFUN_MATH_MACRO:
1300                 if (cmd.argument().empty())
1301                         cur.errorMessage(from_utf8(N_("Missing argument")));
1302                 else {
1303                         string s = to_utf8(cmd.argument());
1304                         string const s1 = token(s, ' ', 1);
1305                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1306                         string const s2 = token(s, ' ', 2);
1307                         string const type = s2.empty() ? "newcommand" : s2;
1308                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1309                         //cur.nextInset()->edit(cur, true);
1310                 }
1311                 break;
1312
1313         // passthrough hat and underscore outside mathed:
1314         case LFUN_MATH_SUBSCRIPT:
1315                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1316                 break;
1317         case LFUN_MATH_SUPERSCRIPT:
1318                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1319                 break;
1320
1321         case LFUN_MATH_INSERT:
1322         case LFUN_MATH_MATRIX:
1323         case LFUN_MATH_DELIM:
1324         case LFUN_MATH_BIGDELIM: {
1325                 if (cur.selection())
1326                         cur.clearSelection();
1327                 // FIXME: instead of the above, this one
1328                 // should be used (but it asserts with Bidi enabled)
1329                 // cf. http://bugzilla.lyx.org/show_bug.cgi?id=4055
1330                 // cap::replaceSelection(cur);
1331                 cur.insert(new InsetMathHull(hullSimple));
1332                 checkAndActivateInset(cur, true);
1333                 BOOST_ASSERT(cur.inMathed());
1334                 cur.dispatch(cmd);
1335                 break;
1336         }
1337
1338         case LFUN_FONT_EMPH: {
1339                 Font font(Font::ALL_IGNORE);
1340                 font.setEmph(Font::TOGGLE);
1341                 toggleAndShow(cur, this, font);
1342                 break;
1343         }
1344
1345         case LFUN_FONT_BOLD: {
1346                 Font font(Font::ALL_IGNORE);
1347                 font.setSeries(Font::BOLD_SERIES);
1348                 toggleAndShow(cur, this, font);
1349                 break;
1350         }
1351
1352         case LFUN_FONT_NOUN: {
1353                 Font font(Font::ALL_IGNORE);
1354                 font.setNoun(Font::TOGGLE);
1355                 toggleAndShow(cur, this, font);
1356                 break;
1357         }
1358
1359         case LFUN_FONT_CODE: {
1360                 Font font(Font::ALL_IGNORE);
1361                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1362                 toggleAndShow(cur, this, font);
1363                 break;
1364         }
1365
1366         case LFUN_FONT_SANS: {
1367                 Font font(Font::ALL_IGNORE);
1368                 font.setFamily(Font::SANS_FAMILY);
1369                 toggleAndShow(cur, this, font);
1370                 break;
1371         }
1372
1373         case LFUN_FONT_ROMAN: {
1374                 Font font(Font::ALL_IGNORE);
1375                 font.setFamily(Font::ROMAN_FAMILY);
1376                 toggleAndShow(cur, this, font);
1377                 break;
1378         }
1379
1380         case LFUN_FONT_DEFAULT: {
1381                 Font font(Font::ALL_INHERIT, ignore_language);
1382                 toggleAndShow(cur, this, font);
1383                 break;
1384         }
1385
1386         case LFUN_FONT_UNDERLINE: {
1387                 Font font(Font::ALL_IGNORE);
1388                 font.setUnderbar(Font::TOGGLE);
1389                 toggleAndShow(cur, this, font);
1390                 break;
1391         }
1392
1393         case LFUN_FONT_SIZE: {
1394                 Font font(Font::ALL_IGNORE);
1395                 font.setLyXSize(to_utf8(cmd.argument()));
1396                 toggleAndShow(cur, this, font);
1397                 break;
1398         }
1399
1400         case LFUN_LANGUAGE: {
1401                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1402                 if (!lang)
1403                         break;
1404                 Font font(Font::ALL_IGNORE);
1405                 font.setLanguage(lang);
1406                 toggleAndShow(cur, this, font);
1407                 break;
1408         }
1409
1410         case LFUN_FONT_FREE_APPLY:
1411                 toggleAndShow(cur, this, freefont, toggleall);
1412                 cur.message(_("Character set"));
1413                 break;
1414
1415         // Set the freefont using the contents of \param data dispatched from
1416         // the frontends and apply it at the current cursor location.
1417         case LFUN_FONT_FREE_UPDATE: {
1418                 Font font;
1419                 bool toggle;
1420                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1421                         freefont = font;
1422                         toggleall = toggle;
1423                         toggleAndShow(cur, this, freefont, toggleall);
1424                         cur.message(_("Character set"));
1425                 }
1426                 break;
1427         }
1428
1429         case LFUN_FINISHED_LEFT:
1430                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1431                 if (reverseDirectionNeeded(cur))
1432                         ++cur.pos();
1433                 break;
1434
1435         case LFUN_FINISHED_RIGHT:
1436                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1437                 if (!reverseDirectionNeeded(cur))
1438                         ++cur.pos();
1439                 break;
1440
1441         case LFUN_LAYOUT_PARAGRAPH: {
1442                 string data;
1443                 params2string(cur.paragraph(), data);
1444                 data = "show\n" + data;
1445                 bv->showDialogWithData("paragraph", data);
1446                 break;
1447         }
1448
1449         case LFUN_PARAGRAPH_UPDATE: {
1450                 string data;
1451                 params2string(cur.paragraph(), data);
1452
1453                 // Will the paragraph accept changes from the dialog?
1454                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1455
1456                 data = "update " + convert<string>(accept) + '\n' + data;
1457                 bv->updateDialog("paragraph", data);
1458                 break;
1459         }
1460
1461         case LFUN_ACCENT_UMLAUT:
1462         case LFUN_ACCENT_CIRCUMFLEX:
1463         case LFUN_ACCENT_GRAVE:
1464         case LFUN_ACCENT_ACUTE:
1465         case LFUN_ACCENT_TILDE:
1466         case LFUN_ACCENT_CEDILLA:
1467         case LFUN_ACCENT_MACRON:
1468         case LFUN_ACCENT_DOT:
1469         case LFUN_ACCENT_UNDERDOT:
1470         case LFUN_ACCENT_UNDERBAR:
1471         case LFUN_ACCENT_CARON:
1472         case LFUN_ACCENT_SPECIAL_CARON:
1473         case LFUN_ACCENT_BREVE:
1474         case LFUN_ACCENT_TIE:
1475         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1476         case LFUN_ACCENT_CIRCLE:
1477         case LFUN_ACCENT_OGONEK:
1478                 theLyXFunc().handleKeyFunc(cmd.action);
1479                 if (!cmd.argument().empty())
1480                         // FIXME: Are all these characters encoded in one byte in utf8?
1481                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1482                 break;
1483
1484         case LFUN_FLOAT_LIST: {
1485                 TextClass const & tclass = bv->buffer().params().getTextClass();
1486                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1487                         recordUndo(cur);
1488                         if (cur.selection())
1489                                 cutSelection(cur, true, false);
1490                         breakParagraph(cur);
1491
1492                         if (cur.lastpos() != 0) {
1493                                 cursorLeft(cur);
1494                                 breakParagraph(cur);
1495                         }
1496
1497                         setLayout(cur, tclass.defaultLayoutName());
1498                         ParagraphParameters p;
1499                         setParagraphs(cur, p);
1500                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1501                         cur.posRight();
1502                 } else {
1503                         lyxerr << "Non-existent float type: "
1504                                << to_utf8(cmd.argument()) << endl;
1505                 }
1506                 break;
1507         }
1508
1509         case LFUN_CHANGE_ACCEPT: {
1510                 acceptOrRejectChanges(cur, ACCEPT);
1511                 break;
1512         }
1513
1514         case LFUN_CHANGE_REJECT: {
1515                 acceptOrRejectChanges(cur, REJECT);
1516                 break;
1517         }
1518
1519         case LFUN_THESAURUS_ENTRY: {
1520                 docstring arg = cmd.argument();
1521                 if (arg.empty()) {
1522                         arg = cur.selectionAsString(false);
1523                         // FIXME
1524                         if (arg.size() > 100 || arg.empty()) {
1525                                 // Get word or selection
1526                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1527                                 arg = cur.selectionAsString(false);
1528                         }
1529                 }
1530                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1531                 break;
1532         }
1533
1534         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1535                 // Given data, an encoding of the ParagraphParameters
1536                 // generated in the Paragraph dialog, this function sets
1537                 // the current paragraph, or currently selected paragraphs,
1538                 // appropriately.
1539                 // NOTE: This function overrides all existing settings.
1540                 setParagraphs(cur, cmd.argument());
1541                 cur.message(_("Paragraph layout set"));
1542                 break;
1543         }
1544
1545         case LFUN_PARAGRAPH_PARAMS: {
1546                 // Given data, an encoding of the ParagraphParameters as we'd
1547                 // find them in a LyX file, this function modifies the current paragraph,
1548                 // or currently selected paragraphs.
1549                 // NOTE: This function only modifies, and does not override, existing
1550                 // settings.
1551                 setParagraphs(cur, cmd.argument(), true);
1552                 cur.message(_("Paragraph layout set"));
1553                 break;
1554         }
1555
1556         case LFUN_ESCAPE:
1557                 if (cur.selection()) {
1558                         cur.selection() = false;
1559                 } else {
1560                         cur.undispatched();
1561                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1562                 }
1563                 break;
1564
1565         default:
1566                 LYXERR(Debug::ACTION)
1567                         << BOOST_CURRENT_FUNCTION
1568                         << ": Command " << cmd
1569                         << " not DISPATCHED by Text" << endl;
1570                 cur.undispatched();
1571                 break;
1572         }
1573
1574         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1575
1576         // FIXME: The cursor flag is reset two lines below
1577         // so we need to check here if some of the LFUN did touch that.
1578         // for now only Text::erase() and Text::backspace() do that.
1579         // The plan is to verify all the LFUNs and then to remove this
1580         // singleParUpdate boolean altogether.
1581         if (cur.result().update() & Update::Force) {
1582                 singleParUpdate = false;
1583                 needsUpdate = true;
1584         }
1585
1586         // FIXME: the following code should go in favor of fine grained
1587         // update flag treatment.
1588         if (singleParUpdate) {
1589                 // Inserting characters does not change par height
1590                 ParagraphMetrics const & pms
1591                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1592                 if (pms.dim().height()
1593                     == olddim.height()) {
1594                         // if so, update _only_ this paragraph
1595                         cur.updateFlags(Update::SinglePar |
1596                                 Update::FitCursor |
1597                                 Update::MultiParSel);
1598                         return;
1599                 } else
1600                         needsUpdate = true;
1601         }
1602
1603         if (!needsUpdate
1604             && &oldTopSlice.inset() == &cur.inset()
1605             && oldTopSlice.idx() == cur.idx()
1606             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1607             && !cur.selection())
1608                 // FIXME: it would be better if we could just do this
1609                 //
1610                 //if (cur.result().update() != Update::FitCursor)
1611                 //      cur.noUpdate();
1612                 //
1613                 // But some LFUNs do not set Update::FitCursor when needed, so we
1614                 // do it for all. This is not very harmfull as FitCursor will provoke
1615                 // a full redraw only if needed but still, a proper review of all LFUN
1616                 // should be done and this needsUpdate boolean can then be removed.
1617                 cur.updateFlags(Update::FitCursor);
1618         else
1619                 cur.updateFlags(Update::Force | Update::FitCursor);
1620 }
1621
1622
1623 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1624                         FuncStatus & flag) const
1625 {
1626         BOOST_ASSERT(cur.text() == this);
1627
1628         Font const & font = real_current_font;
1629         bool enable = true;
1630         Inset::Code code = Inset::NO_CODE;
1631
1632         switch (cmd.action) {
1633
1634         case LFUN_DEPTH_DECREMENT:
1635                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1636                 break;
1637
1638         case LFUN_DEPTH_INCREMENT:
1639                 enable = changeDepthAllowed(cur, INC_DEPTH);
1640                 break;
1641
1642         case LFUN_APPENDIX:
1643                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1644                 return true;
1645
1646         case LFUN_BIBITEM_INSERT:
1647                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1648                           && cur.pos() == 0);
1649                 break;
1650
1651         case LFUN_DIALOG_SHOW_NEW_INSET:
1652                 if (cmd.argument() == "bibitem")
1653                         code = Inset::BIBITEM_CODE;
1654                 else if (cmd.argument() == "bibtex")
1655                         code = Inset::BIBTEX_CODE;
1656                 else if (cmd.argument() == "box")
1657                         code = Inset::BOX_CODE;
1658                 else if (cmd.argument() == "branch")
1659                         code = Inset::BRANCH_CODE;
1660                 else if (cmd.argument() == "citation")
1661                         code = Inset::CITE_CODE;
1662                 else if (cmd.argument() == "ert")
1663                         code = Inset::ERT_CODE;
1664                 else if (cmd.argument() == "external")
1665                         code = Inset::EXTERNAL_CODE;
1666                 else if (cmd.argument() == "float")
1667                         code = Inset::FLOAT_CODE;
1668                 else if (cmd.argument() == "graphics")
1669                         code = Inset::GRAPHICS_CODE;
1670                 else if (cmd.argument() == "include")
1671                         code = Inset::INCLUDE_CODE;
1672                 else if (cmd.argument() == "index")
1673                         code = Inset::INDEX_CODE;
1674                 else if (cmd.argument() == "nomenclature")
1675                         code = Inset::NOMENCL_CODE;
1676                 else if (cmd.argument() == "label")
1677                         code = Inset::LABEL_CODE;
1678                 else if (cmd.argument() == "note")
1679                         code = Inset::NOTE_CODE;
1680                 else if (cmd.argument() == "ref")
1681                         code = Inset::REF_CODE;
1682                 else if (cmd.argument() == "toc")
1683                         code = Inset::TOC_CODE;
1684                 else if (cmd.argument() == "url")
1685                         code = Inset::URL_CODE;
1686                 else if (cmd.argument() == "vspace")
1687                         code = Inset::VSPACE_CODE;
1688                 else if (cmd.argument() == "wrap")
1689                         code = Inset::WRAP_CODE;
1690                 else if (cmd.argument() == "listings")
1691                         code = Inset::LISTINGS_CODE;
1692                 break;
1693
1694         case LFUN_ERT_INSERT:
1695                 code = Inset::ERT_CODE;
1696                 break;
1697         case LFUN_LISTING_INSERT:
1698             code = Inset::LISTINGS_CODE;
1699                 break;
1700         case LFUN_FOOTNOTE_INSERT:
1701                 code = Inset::FOOT_CODE;
1702                 break;
1703         case LFUN_TABULAR_INSERT:
1704                 code = Inset::TABULAR_CODE;
1705                 break;
1706         case LFUN_MARGINALNOTE_INSERT:
1707                 code = Inset::MARGIN_CODE;
1708                 break;
1709         case LFUN_FLOAT_INSERT:
1710         case LFUN_FLOAT_WIDE_INSERT:
1711                 code = Inset::FLOAT_CODE;
1712                 break;
1713         case LFUN_WRAP_INSERT:
1714                 code = Inset::WRAP_CODE;
1715                 break;
1716         case LFUN_FLOAT_LIST:
1717                 code = Inset::FLOAT_LIST_CODE;
1718                 break;
1719 #if 0
1720         case LFUN_LIST_INSERT:
1721                 code = Inset::LIST_CODE;
1722                 break;
1723         case LFUN_THEOREM_INSERT:
1724                 code = Inset::THEOREM_CODE;
1725                 break;
1726 #endif
1727         case LFUN_CAPTION_INSERT:
1728                 code = Inset::CAPTION_CODE;
1729                 break;
1730         case LFUN_NOTE_INSERT:
1731                 code = Inset::NOTE_CODE;
1732                 break;
1733         case LFUN_CHARSTYLE_INSERT:
1734                 code = Inset::CHARSTYLE_CODE;
1735                 if (cur.buffer().params().getTextClass().insetlayouts().empty())
1736                         enable = false;
1737                 break;
1738         case LFUN_BOX_INSERT:
1739                 code = Inset::BOX_CODE;
1740                 break;
1741         case LFUN_BRANCH_INSERT:
1742                 code = Inset::BRANCH_CODE;
1743                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1744                         enable = false;
1745                 break;
1746         case LFUN_LABEL_INSERT:
1747                 code = Inset::LABEL_CODE;
1748                 break;
1749         case LFUN_OPTIONAL_INSERT:
1750                 code = Inset::OPTARG_CODE;
1751                 enable = numberOfOptArgs(cur.paragraph())
1752                         < cur.paragraph().layout()->optionalargs;
1753                 break;
1754         case LFUN_ENVIRONMENT_INSERT:
1755                 code = Inset::BOX_CODE;
1756                 break;
1757         case LFUN_INDEX_INSERT:
1758                 code = Inset::INDEX_CODE;
1759                 break;
1760         case LFUN_INDEX_PRINT:
1761                 code = Inset::INDEX_PRINT_CODE;
1762                 break;
1763         case LFUN_NOMENCL_INSERT:
1764                 code = Inset::NOMENCL_CODE;
1765                 break;
1766         case LFUN_NOMENCL_PRINT:
1767                 code = Inset::NOMENCL_PRINT_CODE;
1768                 break;
1769         case LFUN_TOC_INSERT:
1770                 code = Inset::TOC_CODE;
1771                 break;
1772         case LFUN_HTML_INSERT:
1773         case LFUN_URL_INSERT:
1774                 code = Inset::URL_CODE;
1775                 break;
1776         case LFUN_QUOTE_INSERT:
1777                 // always allow this, since we will inset a raw quote
1778                 // if an inset is not allowed.
1779                 break;
1780         case LFUN_HYPHENATION_POINT_INSERT:
1781         case LFUN_LIGATURE_BREAK_INSERT:
1782         case LFUN_HFILL_INSERT:
1783         case LFUN_MENU_SEPARATOR_INSERT:
1784         case LFUN_DOTS_INSERT:
1785         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1786                 code = Inset::SPECIALCHAR_CODE;
1787                 break;
1788         case LFUN_SPACE_INSERT:
1789                 // slight hack: we know this is allowed in math mode
1790                 if (cur.inTexted())
1791                         code = Inset::SPACE_CODE;
1792                 break;
1793
1794         case LFUN_INSET_MODIFY:
1795                 // We need to disable this, because we may get called for a
1796                 // tabular cell via
1797                 // InsetTabular::getStatus() -> InsetText::getStatus()
1798                 // and we don't handle LFUN_INSET_MODIFY.
1799                 enable = false;
1800                 break;
1801
1802         case LFUN_FONT_EMPH:
1803                 flag.setOnOff(font.emph() == Font::ON);
1804                 return true;
1805
1806         case LFUN_FONT_NOUN:
1807                 flag.setOnOff(font.noun() == Font::ON);
1808                 return true;
1809
1810         case LFUN_FONT_BOLD:
1811                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1812                 return true;
1813
1814         case LFUN_FONT_SANS:
1815                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1816                 return true;
1817
1818         case LFUN_FONT_ROMAN:
1819                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1820                 return true;
1821
1822         case LFUN_FONT_CODE:
1823                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1824                 return true;
1825
1826         case LFUN_CUT:
1827         case LFUN_COPY:
1828                 enable = cur.selection();
1829                 break;
1830
1831         case LFUN_PASTE:
1832                 if (cmd.argument().empty()) {
1833                         if (theClipboard().isInternal())
1834                                 enable = cap::numberOfSelections() > 0;
1835                         else
1836                                 enable = !theClipboard().empty();
1837                 } else {
1838                         string const arg = to_utf8(cmd.argument());
1839                         if (isStrUnsignedInt(arg)) {
1840                                 unsigned int n = convert<unsigned int>(arg);
1841                                 enable = cap::numberOfSelections() > n;
1842                         } else
1843                                 // unknown argument
1844                                 enable = false;
1845                 }
1846                 break;
1847
1848         case LFUN_CLIPBOARD_PASTE:
1849                 enable = !theClipboard().empty();
1850                 break;
1851
1852         case LFUN_PRIMARY_SELECTION_PASTE:
1853                 enable = cur.selection() || !theSelection().empty();
1854                 break;
1855
1856         case LFUN_PARAGRAPH_MOVE_UP:
1857                 enable = cur.pit() > 0 && !cur.selection();
1858                 break;
1859
1860         case LFUN_PARAGRAPH_MOVE_DOWN:
1861                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1862                 break;
1863
1864         case LFUN_INSET_DISSOLVE:
1865                 enable = !isMainText(cur.bv().buffer()) && cur.inset().nargs() == 1;
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_UP:
1889         case LFUN_UP_SELECT:
1890         case LFUN_DOWN:
1891         case LFUN_DOWN_SELECT:
1892         case LFUN_PARAGRAPH_UP_SELECT:
1893         case LFUN_PARAGRAPH_DOWN_SELECT:
1894         case LFUN_SCREEN_UP_SELECT:
1895         case LFUN_SCREEN_DOWN_SELECT:
1896         case LFUN_LINE_BEGIN_SELECT:
1897         case LFUN_LINE_END_SELECT:
1898         case LFUN_WORD_FORWARD_SELECT:
1899         case LFUN_WORD_BACKWARD_SELECT:
1900         case LFUN_WORD_SELECT:
1901         case LFUN_PARAGRAPH_UP:
1902         case LFUN_PARAGRAPH_DOWN:
1903         case LFUN_SCREEN_UP:
1904         case LFUN_SCREEN_DOWN:
1905         case LFUN_LINE_BEGIN:
1906         case LFUN_LINE_END:
1907         case LFUN_BREAK_LINE:
1908         case LFUN_CHAR_DELETE_FORWARD:
1909         case LFUN_DELETE_FORWARD_SKIP:
1910         case LFUN_CHAR_DELETE_BACKWARD:
1911         case LFUN_DELETE_BACKWARD_SKIP:
1912         case LFUN_BREAK_PARAGRAPH:
1913         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1914         case LFUN_BREAK_PARAGRAPH_SKIP:
1915         case LFUN_PARAGRAPH_SPACING:
1916         case LFUN_INSET_INSERT:
1917         case LFUN_WORD_UPCASE:
1918         case LFUN_WORD_LOWCASE:
1919         case LFUN_WORD_CAPITALIZE:
1920         case LFUN_CHARS_TRANSPOSE:
1921         case LFUN_SERVER_GET_XY:
1922         case LFUN_SERVER_SET_XY:
1923         case LFUN_SERVER_GET_FONT:
1924         case LFUN_SERVER_GET_LAYOUT:
1925         case LFUN_LAYOUT:
1926         case LFUN_DATE_INSERT:
1927         case LFUN_SELF_INSERT:
1928         case LFUN_LINE_INSERT:
1929         case LFUN_PAGEBREAK_INSERT:
1930         case LFUN_CLEARPAGE_INSERT:
1931         case LFUN_CLEARDOUBLEPAGE_INSERT:
1932         case LFUN_MATH_DISPLAY:
1933         case LFUN_MATH_IMPORT_SELECTION:
1934         case LFUN_MATH_MODE:
1935         case LFUN_MATH_MACRO:
1936         case LFUN_MATH_MATRIX:
1937         case LFUN_MATH_DELIM:
1938         case LFUN_MATH_BIGDELIM:
1939         case LFUN_MATH_INSERT:
1940         case LFUN_MATH_SUBSCRIPT:
1941         case LFUN_MATH_SUPERSCRIPT:
1942         case LFUN_FONT_DEFAULT:
1943         case LFUN_FONT_UNDERLINE:
1944         case LFUN_FONT_SIZE:
1945         case LFUN_LANGUAGE:
1946         case LFUN_FONT_FREE_APPLY:
1947         case LFUN_FONT_FREE_UPDATE:
1948         case LFUN_LAYOUT_PARAGRAPH:
1949         case LFUN_PARAGRAPH_UPDATE:
1950         case LFUN_ACCENT_UMLAUT:
1951         case LFUN_ACCENT_CIRCUMFLEX:
1952         case LFUN_ACCENT_GRAVE:
1953         case LFUN_ACCENT_ACUTE:
1954         case LFUN_ACCENT_TILDE:
1955         case LFUN_ACCENT_CEDILLA:
1956         case LFUN_ACCENT_MACRON:
1957         case LFUN_ACCENT_DOT:
1958         case LFUN_ACCENT_UNDERDOT:
1959         case LFUN_ACCENT_UNDERBAR:
1960         case LFUN_ACCENT_CARON:
1961         case LFUN_ACCENT_SPECIAL_CARON:
1962         case LFUN_ACCENT_BREVE:
1963         case LFUN_ACCENT_TIE:
1964         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1965         case LFUN_ACCENT_CIRCLE:
1966         case LFUN_ACCENT_OGONEK:
1967         case LFUN_THESAURUS_ENTRY:
1968         case LFUN_PARAGRAPH_PARAMS_APPLY:
1969         case LFUN_PARAGRAPH_PARAMS:
1970         case LFUN_ESCAPE:
1971         case LFUN_BUFFER_END:
1972         case LFUN_BUFFER_BEGIN:
1973         case LFUN_BUFFER_BEGIN_SELECT:
1974         case LFUN_BUFFER_END_SELECT:
1975         case LFUN_UNICODE_INSERT:
1976                 // these are handled in our dispatch()
1977                 enable = true;
1978                 break;
1979
1980         default:
1981                 return false;
1982         }
1983
1984         if (code != Inset::NO_CODE
1985             && (cur.empty() || !cur.inset().insetAllowed(code)))
1986                 enable = false;
1987
1988         flag.enabled(enable);
1989         return true;
1990 }
1991
1992
1993 void Text::pasteString(Cursor & cur, docstring const & clip,
1994                 bool asParagraphs)
1995 {
1996         cur.clearSelection();
1997         if (!clip.empty()) {
1998                 recordUndo(cur);
1999                 if (asParagraphs)
2000                         insertStringAsParagraphs(cur, clip);
2001                 else
2002                         insertStringAsLines(cur, clip);
2003         }
2004 }
2005
2006 } // namespace lyx