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 "bufferview_funcs.h"
  29 #include "Cursor.h"
  30 #include "CutAndPaste.h"
  31 #include "debug.h"
  32 #include "DispatchResult.h"
  33 #include "ErrorList.h"
  34 #include "factory.h"
  35 #include "FuncRequest.h"
  36 #include "gettext.h"
  37 #include "Intl.h"
  38 #include "Language.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 "Undo.h"
  47 #include "VSpace.h"
  48 #include "ParIterator.h"
  49
  50 #include "frontends/Clipboard.h"
  51 #include "frontends/Selection.h"
  52
  53 #include "insets/InsetCommand.h"
  54 #include "insets/InsetFloatList.h"
  55 #include "insets/InsetNewline.h"
  56 #include "insets/InsetQuotes.h"
  57 #include "insets/InsetSpecialChar.h"
  58 #include "insets/InsetText.h"
  59
  60 #include "support/lstrings.h"
  61 #include "support/lyxlib.h"
  62 #include "support/convert.h"
  63 #include "support/lyxtime.h"
  64
  65 #include "mathed/InsetMathHull.h"
  66 #include "mathed/MathMacroTemplate.h"
  67
  68 #include <boost/current_function.hpp>
  69
  70 #include <clocale>
  71 #include <sstream>
  72
  73 using std::endl;
  74 using std::string;
  75 using std::istringstream;
  76 using std::ostringstream;
  77
  78 namespace lyx {
  79
  80 using cap::copySelection;
  81 using cap::cutSelection;
  82 using cap::pasteFromStack;
  83 using cap::pasteClipboard;
  84 using cap::replaceSelection;
  85
  86 using support::isStrUnsignedInt;
  87 using support::token;
  88
  89 namespace frontend {
  90 extern docstring current_layout;
  91 }
  92
  93 namespace {
  94
  95         // globals...
  96         Font freefont(Font::ALL_IGNORE);
  97         bool toggleall = false;
  98
  99         void toggleAndShow(Cursor & cur, Text * text,
 100                 Font const & font, bool toggleall = true)
 101         {
 102                 text->toggleFree(cur, font, toggleall);
 103
 104                 if (font.language() != ignore_language ||
 105                                 font.number() != Font::IGNORE) {
 106                         TextMetrics const & tm = cur.bv().textMetrics(text);
 107                         if (cur.boundary() != tm.isRTLBoundary(cur.pit(),
 108                                                 cur.pos(), cur.real_current_font))
 109                                 text->setCursor(cur, cur.pit(), cur.pos(),
 110                                                 false, !cur.boundary());
 111                 }
 112         }
 113
 114
 115         void moveCursor(Cursor & cur, bool selecting)
 116         {
 117                 if (selecting || cur.mark())
 118                         cur.setSelection();
 119         }
 120
 121
 122         void finishChange(Cursor & cur, bool selecting)
 123         {
 124                 finishUndo();
 125                 moveCursor(cur, selecting);
 126         }
 127
 128
 129         void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 130         {
 131                 recordUndo(cur);
 132                 docstring sel = cur.selectionAsString(false);
 133
 134                 // It may happen that sel is empty but there is a selection
 135                 replaceSelection(cur);
 136
 137                 if (sel.empty()) {
 138 #ifdef ENABLE_ASSERTIONS
 139                         const int old_pos = cur.pos();
 140 #endif
 141                         cur.insert(new InsetMathHull(hullSimple));
 142                         BOOST_ASSERT(old_pos == cur.pos());
 143                         cur.nextInset()->edit(cur, true);
 144                         // don't do that also for LFUN_MATH_MODE
 145                         // unless you want end up with always changing
 146                         // to mathrm when opening an inlined inset --
 147                         // I really hate "LyXfunc overloading"...
 148                         if (display)
 149                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 150                         // Avoid an unnecessary undo step if cmd.argument
 151                         // is empty
 152                         if (!cmd.argument().empty())
 153                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 154                                                          cmd.argument()));
 155                 } else {
 156                         // create a macro if we see "\\newcommand"
 157                         // somewhere, and an ordinary formula
 158                         // otherwise
 159                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 160                             && sel.find(from_ascii("\\def")) == string::npos)
 161                         {
 162                                 InsetMathHull * formula = new InsetMathHull;
 163                                 istringstream is(to_utf8(sel));
 164                                 Lexer lex(0, 0);
 165                                 lex.setStream(is);
 166                                 formula->read(cur.buffer(), lex);
 167                                 if (formula->getType() == hullNone)
 168                                         // Don't create pseudo formulas if
 169                                         // delimiters are left out
 170                                         formula->mutate(hullSimple);
 171                                 cur.insert(formula);
 172                         } else {
 173                                 cur.insert(new MathMacroTemplate(sel));
 174                         }
 175                 }
 176                 cur.message(from_utf8(N_("Math editor mode")));
 177         }
 178
 179 } // namespace anon
 180
 181
 182
 183 namespace bv_funcs {
 184
 185 string const freefont2string()
 186 {
 187         string data;
 188         if (font2string(freefont, toggleall, data))
 189                 return data;
 190         return string();
 191 }
 192
 193 }
 194
 195
 196 namespace {
 197
 198 void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 199 {
 200         recordUndo(cur);
 201         cap::replaceSelection(cur);
 202         cur.insert(new InsetSpecialChar(kind));
 203         cur.posRight();
 204 }
 205
 206
 207 bool doInsertInset(Cursor & cur, Text * text,
 208         FuncRequest const & cmd, bool edit, bool pastesel)
 209 {
 210         Inset * inset = createInset(&cur.bv(), cmd);
 211         if (!inset)
 212                 return false;
 213
 214         recordUndo(cur);
 215         bool gotsel = false;
 216         if (cur.selection()) {
 217                 lyx::dispatch(FuncRequest(LFUN_CUT));
 218                 gotsel = true;
 219         }
 220         text->insertInset(cur, inset);
 221
 222         if (edit)
 223                 inset->edit(cur, true);
 224
 225         if (gotsel && pastesel) {
 226                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 227                 // reset first par to default
 228                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 229                         LayoutPtr const layout =
 230                                 cur.buffer().params().getTextClass().defaultLayout();
 231                         cur.text()->paragraphs().begin()->layout(layout);
 232                 }
 233         }
 234         return true;
 235 }
 236
 237
 238 } // anon namespace
 239
 240
 241 void Text::number(Cursor & cur)
 242 {
 243         Font font(Font::ALL_IGNORE);
 244         font.setNumber(Font::TOGGLE);
 245         toggleAndShow(cur, this, font);
 246 }
 247
 248
 249 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 250 {
 251         return par.isRTL(buffer.params());
 252 }
 253
 254
 255 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 256 {
 257         LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;
 258
 259         // FIXME: We use the update flag to indicates wether a singlePar or a
 260         // full screen update is needed. We reset it here but shall we restore it
 261         // at the end?
 262         cur.noUpdate();
 263
 264         BOOST_ASSERT(cur.text() == this);
 265         BufferView * bv = &cur.bv();
 266         TextMetrics & tm = cur.bv().textMetrics(this);
 267         CursorSlice oldTopSlice = cur.top();
 268         bool oldBoundary = cur.boundary();
 269         bool sel = cur.selection();
 270         // Signals that, even if needsUpdate == false, an update of the
 271         // cursor paragraph is required
 272         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 273                 LyXAction::SingleParUpdate);
 274         // Signals that a full-screen update is required
 275         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 276                 LyXAction::NoUpdate) || singleParUpdate);
 277         // Remember the old paragraph metric (_outer_ paragraph!)
 278         ParagraphMetrics const & pm = cur.bv().parMetrics(
 279                 cur.bottom().text(), cur.bottom().pit());
 280         Dimension olddim = pm.dim();
 281
 282         switch (cmd.action) {
 283
 284         case LFUN_PARAGRAPH_MOVE_DOWN: {
 285                 pit_type const pit = cur.pit();
 286                 recUndo(cur, pit, pit + 1);
 287                 finishUndo();
 288                 std::swap(pars_[pit], pars_[pit + 1]);
 289                 updateLabels(cur.buffer());
 290                 needsUpdate = true;
 291                 ++cur.pit();
 292                 break;
 293         }
 294
 295         case LFUN_PARAGRAPH_MOVE_UP: {
 296                 pit_type const pit = cur.pit();
 297                 recUndo(cur, pit - 1, pit);
 298                 finishUndo();
 299                 std::swap(pars_[pit], pars_[pit - 1]);
 300                 updateLabels(cur.buffer());
 301                 --cur.pit();
 302                 needsUpdate = true;
 303                 break;
 304         }
 305
 306         case LFUN_APPENDIX: {
 307                 Paragraph & par = cur.paragraph();
 308                 bool start = !par.params().startOfAppendix();
 309
 310 // FIXME: The code below only makes sense at top level.
 311 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 312                 // ensure that we have only one start_of_appendix in this document
 313                 // FIXME: this don't work for multipart document!
 314                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 315                         if (pars_[tmp].params().startOfAppendix()) {
 316                                 recUndo(cur, tmp);
 317                                 pars_[tmp].params().startOfAppendix(false);
 318                                 break;
 319                         }
 320                 }
 321
 322                 recordUndo(cur);
 323                 par.params().startOfAppendix(start);
 324
 325                 // we can set the refreshing parameters now
 326                 updateLabels(cur.buffer());
 327                 break;
 328         }
 329
 330         case LFUN_WORD_DELETE_FORWARD:
 331                 if (cur.selection()) {
 332                         cutSelection(cur, true, false);
 333                 } else
 334                         deleteWordForward(cur);
 335                 finishChange(cur, false);
 336                 break;
 337
 338         case LFUN_WORD_DELETE_BACKWARD:
 339                 if (cur.selection()) {
 340                         cutSelection(cur, true, false);
 341                 } else
 342                         deleteWordBackward(cur);
 343                 finishChange(cur, false);
 344                 break;
 345
 346         case LFUN_LINE_DELETE:
 347                 if (cur.selection()) {
 348                         cutSelection(cur, true, false);
 349                 } else
 350                         tm.deleteLineForward(cur);
 351                 finishChange(cur, false);
 352                 break;
 353
 354         case LFUN_BUFFER_BEGIN:
 355         case LFUN_BUFFER_BEGIN_SELECT:
 356                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 357                 if (cur.depth() == 1) {
 358                         needsUpdate |= cursorTop(cur);
 359                 } else {
 360                         cur.undispatched();
 361                 }
 362                 break;
 363
 364         case LFUN_BUFFER_END:
 365         case LFUN_BUFFER_END_SELECT:
 366                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 367                 if (cur.depth() == 1) {
 368                         needsUpdate |= cursorBottom(cur);
 369                 } else {
 370                         cur.undispatched();
 371                 }
 372                 break;
 373
 374         case LFUN_CHAR_FORWARD:
 375         case LFUN_CHAR_FORWARD_SELECT:
 376                 //lyxerr << BOOST_CURRENT_FUNCTION
 377                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 378                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 379                 if (reverseDirectionNeeded(cur))
 380                         needsUpdate |= cursorLeft(cur);
 381                 else
 382                         needsUpdate |= cursorRight(cur);
 383
 384                 if (!needsUpdate && oldTopSlice == cur.top()
 385                                 && cur.boundary() == oldBoundary) {
 386                         cur.undispatched();
 387                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 388                 } else
 389                         cur.setCurrentFont();
 390                 break;
 391
 392         case LFUN_CHAR_BACKWARD:
 393         case LFUN_CHAR_BACKWARD_SELECT:
 394                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 395                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 396                 if (reverseDirectionNeeded(cur))
 397                         needsUpdate |= cursorRight(cur);
 398                 else
 399                         needsUpdate |= cursorLeft(cur);
 400
 401                 if (!needsUpdate && oldTopSlice == cur.top()
 402                         && cur.boundary() == oldBoundary) {
 403                         cur.undispatched();
 404                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 405                 } else
 406                         cur.setCurrentFont();
 407                 break;
 408
 409         case LFUN_UP_SELECT:
 410         case LFUN_DOWN_SELECT:
 411         case LFUN_UP:
 412         case LFUN_DOWN: {
 413                 // stop/start the selection
 414                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 415                         cmd.action == LFUN_UP_SELECT;
 416                 cur.selHandle(select);
 417
 418                 // move cursor up/down
 419                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 420                 bool const successful = cur.upDownInText(up, needsUpdate);
 421                 if (successful) {
 422                         // notify insets which were left and get their update flags
 423                         notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
 424                         cur.fixIfBroken();
 425
 426                         // redraw if you leave mathed (for the decorations)
 427                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 428                 } else
 429                         cur.undispatched();
 430
 431                 break;
 432         }
 433
 434         case LFUN_PARAGRAPH_UP:
 435         case LFUN_PARAGRAPH_UP_SELECT:
 436                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 437                 needsUpdate |= cursorUpParagraph(cur);
 438                 break;
 439
 440         case LFUN_PARAGRAPH_DOWN:
 441         case LFUN_PARAGRAPH_DOWN_SELECT:
 442                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 443                 needsUpdate |= cursorDownParagraph(cur);
 444                 break;
 445
 446         case LFUN_SCREEN_UP_SELECT:
 447                 needsUpdate |= cur.selHandle(true);
 448                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 449                         cur.undispatched();
 450                 else {
 451                         tm.cursorPrevious(cur);
 452                 }
 453                 break;
 454
 455         case LFUN_SCREEN_DOWN_SELECT:
 456                 needsUpdate |= cur.selHandle(true);
 457                 if (cur.pit() == cur.lastpit()
 458                           && cur.textRow().endpos() == cur.lastpos())
 459                         cur.undispatched();
 460                 else {
 461                         tm.cursorNext(cur);
 462                 }
 463                 break;
 464
 465         case LFUN_LINE_BEGIN:
 466         case LFUN_LINE_BEGIN_SELECT:
 467                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 468                 needsUpdate |= tm.cursorHome(cur);
 469                 break;
 470
 471         case LFUN_LINE_END:
 472         case LFUN_LINE_END_SELECT:
 473                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 474                 needsUpdate |= tm.cursorEnd(cur);
 475                 break;
 476
 477         case LFUN_WORD_FORWARD:
 478         case LFUN_WORD_FORWARD_SELECT:
 479                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 480                 if (reverseDirectionNeeded(cur))
 481                         needsUpdate |= cursorLeftOneWord(cur);
 482                 else
 483                         needsUpdate |= cursorRightOneWord(cur);
 484                 break;
 485
 486         case LFUN_WORD_BACKWARD:
 487         case LFUN_WORD_BACKWARD_SELECT:
 488                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 489                 if (reverseDirectionNeeded(cur))
 490                         needsUpdate |= cursorRightOneWord(cur);
 491                 else
 492                         needsUpdate |= cursorLeftOneWord(cur);
 493                 break;
 494
 495         case LFUN_WORD_SELECT: {
 496                 selectWord(cur, WHOLE_WORD);
 497                 finishChange(cur, true);
 498                 break;
 499         }
 500
 501         case LFUN_BREAK_LINE: {
 502                 // Not allowed by LaTeX (labels or empty par)
 503                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 504                         // this avoids a double undo
 505                         // FIXME: should not be needed, ideally
 506                         if (!cur.selection())
 507                                 recordUndo(cur);
 508                         cap::replaceSelection(cur);
 509                         cur.insert(new InsetNewline);
 510                         cur.posRight();
 511                         moveCursor(cur, false);
 512                 }
 513                 break;
 514         }
 515
 516         case LFUN_CHAR_DELETE_FORWARD:
 517                 if (!cur.selection()) {
 518                         if (cur.pos() == cur.paragraph().size())
 519                                 // Par boundary, force full-screen update
 520                                 singleParUpdate = false;
 521                         needsUpdate |= erase(cur);
 522                         cur.resetAnchor();
 523                         // It is possible to make it a lot faster still
 524                         // just comment out the line below...
 525                 } else {
 526                         cutSelection(cur, true, false);
 527                         singleParUpdate = false;
 528                 }
 529                 moveCursor(cur, false);
 530                 break;
 531
 532         case LFUN_DELETE_FORWARD_SKIP:
 533                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 534                 if (!cur.selection()) {
 535                         if (cur.pos() == cur.lastpos()) {
 536                                 cursorRight(cur);
 537                                 cursorLeft(cur);
 538                         }
 539                         erase(cur);
 540                         cur.resetAnchor();
 541                 } else {
 542                         cutSelection(cur, true, false);
 543                 }
 544                 break;
 545
 546
 547         case LFUN_CHAR_DELETE_BACKWARD:
 548                 if (!cur.selection()) {
 549                         if (bv->getIntl().getTransManager().backspace()) {
 550                                 // Par boundary, full-screen update
 551                                 if (cur.pos() == 0)
 552                                         singleParUpdate = false;
 553                                 needsUpdate |= backspace(cur);
 554                                 cur.resetAnchor();
 555                                 // It is possible to make it a lot faster still
 556                                 // just comment out the line below...
 557                         }
 558                 } else {
 559                         cutSelection(cur, true, false);
 560                         singleParUpdate = false;
 561                 }
 562                 break;
 563
 564         case LFUN_DELETE_BACKWARD_SKIP:
 565                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 566                 if (!cur.selection()) {
 567                         // FIXME: look here
 568                         //CursorSlice cur = cursor();
 569                         backspace(cur);
 570                         //anchor() = cur;
 571                 } else {
 572                         cutSelection(cur, true, false);
 573                 }
 574                 break;
 575
 576         case LFUN_BREAK_PARAGRAPH:
 577                 cap::replaceSelection(cur);
 578                 breakParagraph(cur, false);
 579                 cur.resetAnchor();
 580                 break;
 581
 582         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 583                 cap::replaceSelection(cur);
 584                 breakParagraph(cur, true);
 585                 cur.resetAnchor();
 586                 break;
 587
 588         case LFUN_BREAK_PARAGRAPH_SKIP: {
 589                 // When at the beginning of a paragraph, remove
 590                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 591                 cap::replaceSelection(cur);
 592                 if (cur.pos() == 0)
 593                         cur.paragraph().params().labelWidthString(docstring());
 594                 else
 595                         breakParagraph(cur, false);
 596                 cur.resetAnchor();
 597                 break;
 598         }
 599
 600         // TODO
 601         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 602         // as its duties can be performed there. Should it be removed??
 603         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 604         case LFUN_PARAGRAPH_SPACING: {
 605                 Paragraph & par = cur.paragraph();
 606                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 607                 string cur_value = "1.0";
 608                 if (cur_spacing == Spacing::Other)
 609                         cur_value = par.params().spacing().getValueAsString();
 610
 611                 istringstream is(to_utf8(cmd.argument()));
 612                 string tmp;
 613                 is >> tmp;
 614                 Spacing::Space new_spacing = cur_spacing;
 615                 string new_value = cur_value;
 616                 if (tmp.empty()) {
 617                         lyxerr << "Missing argument to `paragraph-spacing'"
 618                                << endl;
 619                 } else if (tmp == "single") {
 620                         new_spacing = Spacing::Single;
 621                 } else if (tmp == "onehalf") {
 622                         new_spacing = Spacing::Onehalf;
 623                 } else if (tmp == "double") {
 624                         new_spacing = Spacing::Double;
 625                 } else if (tmp == "other") {
 626                         new_spacing = Spacing::Other;
 627                         string tmpval = "0.0";
 628                         is >> tmpval;
 629                         lyxerr << "new_value = " << tmpval << endl;
 630                         if (tmpval != "0.0")
 631                                 new_value = tmpval;
 632                 } else if (tmp == "default") {
 633                         new_spacing = Spacing::Default;
 634                 } else {
 635                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 636                                << to_utf8(cmd.argument()) << endl;
 637                 }
 638                 if (cur_spacing != new_spacing || cur_value != new_value)
 639                         par.params().spacing(Spacing(new_spacing, new_value));
 640                 break;
 641         }
 642
 643         case LFUN_INSET_INSERT: {
 644                 recordUndo(cur);
 645                 Inset * inset = createInset(bv, cmd);
 646                 if (inset) {
 647                         // FIXME (Abdel 01/02/2006):
 648                         // What follows would be a partial fix for bug 2154:
 649                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 650                         // This automatically put the label inset _after_ a
 651                         // numbered section. It should be possible to extend the mechanism
 652                         // to any kind of LateX environement.
 653                         // The correct way to fix that bug would be at LateX generation.
 654                         // I'll let the code here for reference as it could be used for some
 655                         // other feature like "automatic labelling".
 656                         /*
 657                         Paragraph & par = pars_[cur.pit()];
 658                         if (inset->lyxCode() == Inset::LABEL_CODE
 659                                 && par.layout()->labeltype == LABEL_COUNTER) {
 660                                 // Go to the end of the paragraph
 661                                 // Warning: Because of Change-Tracking, the last
 662                                 // position is 'size()' and not 'size()-1':
 663                                 cur.pos() = par.size();
 664                                 // Insert a new paragraph
 665                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 666                                 dispatch(cur, fr);
 667                         }
 668                         */
 669                         if (cur.selection())
 670                                 cutSelection(cur, true, false);
 671                         insertInset(cur, inset);
 672                         cur.posRight();
 673                 }
 674                 break;
 675         }
 676
 677         case LFUN_INSET_DISSOLVE:
 678                 needsUpdate |= dissolveInset(cur);
 679                 break;
 680
 681         case LFUN_INSET_SETTINGS:
 682                 cur.inset().showInsetDialog(bv);
 683                 break;
 684
 685         case LFUN_SPACE_INSERT:
 686                 if (cur.paragraph().layout()->free_spacing)
 687                         insertChar(cur, ' ');
 688                 else {
 689                         doInsertInset(cur, this, cmd, false, false);
 690                         cur.posRight();
 691                 }
 692                 moveCursor(cur, false);
 693                 break;
 694
 695         case LFUN_HYPHENATION_POINT_INSERT:
 696                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 697                 break;
 698
 699         case LFUN_LIGATURE_BREAK_INSERT:
 700                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 701                 break;
 702
 703         case LFUN_DOTS_INSERT:
 704                 specialChar(cur, InsetSpecialChar::LDOTS);
 705                 break;
 706
 707         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 708                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 709                 break;
 710
 711         case LFUN_MENU_SEPARATOR_INSERT:
 712                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 713                 break;
 714
 715         case LFUN_WORD_UPCASE:
 716                 changeCase(cur, Text::text_uppercase);
 717                 break;
 718
 719         case LFUN_WORD_LOWCASE:
 720                 changeCase(cur, Text::text_lowercase);
 721                 break;
 722
 723         case LFUN_WORD_CAPITALIZE:
 724                 changeCase(cur, Text::text_capitalization);
 725                 break;
 726
 727         case LFUN_CHARS_TRANSPOSE:
 728                 charsTranspose(cur);
 729                 break;
 730
 731         case LFUN_PASTE:
 732                 cur.message(_("Paste"));
 733                 cap::replaceSelection(cur);
 734                 if (cmd.argument().empty() && !theClipboard().isInternal())
 735                         pasteClipboard(cur, bv->buffer().errorList("Paste"));
 736                 else {
 737                         string const arg(to_utf8(cmd.argument()));
 738                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 739                                         isStrUnsignedInt(arg) ?
 740                                                 convert<unsigned int>(arg) :
 741                                                 0);
 742                 }
 743                 bv->buffer().errors("Paste");
 744                 cur.clearSelection(); // bug 393
 745                 finishUndo();
 746                 break;
 747
 748         case LFUN_CUT:
 749                 cutSelection(cur, true, true);
 750                 cur.message(_("Cut"));
 751                 break;
 752
 753         case LFUN_COPY:
 754                 copySelection(cur);
 755                 cur.message(_("Copy"));
 756                 break;
 757
 758         case LFUN_SERVER_GET_XY:
 759                 cur.message(from_utf8(
 760                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 761                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 762                 break;
 763
 764         case LFUN_SERVER_SET_XY: {
 765                 int x = 0;
 766                 int y = 0;
 767                 istringstream is(to_utf8(cmd.argument()));
 768                 is >> x >> y;
 769                 if (!is)
 770                         lyxerr << "SETXY: Could not parse coordinates in '"
 771                                << to_utf8(cmd.argument()) << std::endl;
 772                 else
 773                         tm.setCursorFromCoordinates(cur, x, y);
 774                 break;
 775         }
 776
 777         case LFUN_SERVER_GET_FONT:
 778                 if (cur.current_font.shape() == Font::ITALIC_SHAPE)
 779                         cur.message(from_ascii("E"));
 780                 else if (cur.current_font.shape() == Font::SMALLCAPS_SHAPE)
 781                         cur.message(from_ascii("N"));
 782                 else
 783                         cur.message(from_ascii("0"));
 784                 break;
 785
 786         case LFUN_SERVER_GET_LAYOUT:
 787                 cur.message(cur.paragraph().layout()->name());
 788                 break;
 789
 790         case LFUN_LAYOUT: {
 791                 docstring layout = cmd.argument();
 792                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << to_utf8(layout) << endl;
 793
 794                 // Derive layout number from given argument (string)
 795                 // and current buffer's textclass (number)
 796                 TextClass const & tclass = bv->buffer().params().getTextClass();
 797                 if (layout.empty())
 798                         layout = tclass.defaultLayoutName();
 799                 bool hasLayout = tclass.hasLayout(layout);
 800
 801                 // If the entry is obsolete, use the new one instead.
 802                 if (hasLayout) {
 803                         docstring const & obs = tclass[layout]->obsoleted_by();
 804                         if (!obs.empty())
 805                                 layout = obs;
 806                 }
 807
 808                 if (!hasLayout) {
 809                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 810                                 from_utf8(N_(" not known")));
 811                         break;
 812                 }
 813
 814                 bool change_layout = (frontend::current_layout != layout);
 815
 816                 if (!change_layout && cur.selection() &&
 817                         cur.selBegin().pit() != cur.selEnd().pit())
 818                 {
 819                         pit_type spit = cur.selBegin().pit();
 820                         pit_type epit = cur.selEnd().pit() + 1;
 821                         while (spit != epit) {
 822                                 if (pars_[spit].layout()->name() != frontend::current_layout) {
 823                                         change_layout = true;
 824                                         break;
 825                                 }
 826                                 ++spit;
 827                         }
 828                 }
 829
 830                 if (change_layout) {
 831                         setLayout(cur, layout);
 832                         // inform the GUI that the layout has changed.
 833                         bv->layoutChanged(layout);
 834                 }
 835                 break;
 836         }
 837
 838         case LFUN_CLIPBOARD_PASTE:
 839                 cur.clearSelection();
 840                 pasteClipboard(cur, bv->buffer().errorList("Paste"),
 841                                cmd.argument() == "paragraph");
 842                 bv->buffer().errors("Paste");
 843                 break;
 844
 845         case LFUN_PRIMARY_SELECTION_PASTE:
 846                 pasteString(cur, theSelection().get(),
 847                             cmd.argument() == "paragraph");
 848                 break;
 849
 850         case LFUN_UNICODE_INSERT: {
 851                 if (cmd.argument().empty())
 852                         break;
 853                 docstring hexstring = cmd.argument();
 854                 if (lyx::support::isHex(hexstring)) {
 855                         char_type c = lyx::support::hexToInt(hexstring);
 856                         if (c >= 32 && c < 0x10ffff) {
 857                                 lyxerr << "Inserting c: " << c << endl;
 858                                 docstring s = docstring(1, c);
 859                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 860                         }
 861                 }
 862                 break;
 863         }
 864
 865         case LFUN_QUOTE_INSERT: {
 866                 Paragraph & par = cur.paragraph();
 867                 pos_type pos = cur.pos();
 868                 BufferParams const & bufparams = bv->buffer().params();
 869                 LayoutPtr const & style = par.layout();
 870                 if (!style->pass_thru
 871                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 872                         // this avoids a double undo
 873                         // FIXME: should not be needed, ideally
 874                         if (!cur.selection())
 875                                 recordUndo(cur);
 876                         cap::replaceSelection(cur);
 877                         pos = cur.pos();
 878                         char_type c;
 879                         if (pos == 0)
 880                                 c = ' ';
 881                         else if (cur.prevInset() && cur.prevInset()->isSpace())
 882                                 c = ' ';
 883                         else
 884                                 c = par.getChar(pos - 1);
 885                         string arg = to_utf8(cmd.argument());
 886                         if (arg == "single")
 887                                 cur.insert(new InsetQuotes(c,
 888                                     bufparams.quotes_language,
 889                                     InsetQuotes::SingleQ));
 890                         else
 891                                 cur.insert(new InsetQuotes(c,
 892                                     bufparams.quotes_language,
 893                                     InsetQuotes::DoubleQ));
 894                         cur.posRight();
 895                 }
 896                 else
 897                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 898                 break;
 899         }
 900
 901         case LFUN_DATE_INSERT: {
 902                 string const format = cmd.argument().empty()
 903                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
 904                 string const time = formatted_time(current_time(), format);
 905                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
 906                 break;
 907         }
 908
 909         case LFUN_MOUSE_TRIPLE:
 910                 if (cmd.button() == mouse_button::button1) {
 911                         tm.cursorHome(cur);
 912                         cur.resetAnchor();
 913                         tm.cursorEnd(cur);
 914                         cur.setSelection();
 915                         bv->cursor() = cur;
 916                 }
 917                 break;
 918
 919         case LFUN_MOUSE_DOUBLE:
 920                 if (cmd.button() == mouse_button::button1) {
 921                         selectWord(cur, WHOLE_WORD_STRICT);
 922                         bv->cursor() = cur;
 923                 }
 924                 break;
 925
 926         // Single-click on work area
 927         case LFUN_MOUSE_PRESS: {
 928                 // Right click on a footnote flag opens float menu
 929                 if (cmd.button() == mouse_button::button3)
 930                         cur.clearSelection();
 931
 932                 // Set the cursor
 933                 bool update = bv->mouseSetCursor(cur);
 934
 935                 // Insert primary selection with middle mouse
 936                 // if there is a local selection in the current buffer,
 937                 // insert this
 938                 if (cmd.button() == mouse_button::button2) {
 939                         if (cap::selection()) {
 940                                 // Copy the selection buffer to the clipboard
 941                                 // stack, because we want it to appear in the
 942                                 // "Edit->Paste recent" menu.
 943                                 cap::copySelectionToStack();
 944
 945                                 cap::pasteSelection(bv->cursor(),
 946                                                     bv->buffer().errorList("Paste"));
 947                                 bv->buffer().errors("Paste");
 948                                 bv->buffer().markDirty();
 949                                 finishUndo();
 950                         } else {
 951                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 952                         }
 953                 }
 954
 955                 // we have to update after dEPM triggered
 956                 if (!update && cmd.button() == mouse_button::button1) {
 957                         needsUpdate = false;
 958                         cur.noUpdate();
 959                 }
 960
 961                 break;
 962         }
 963
 964         case LFUN_MOUSE_MOTION: {
 965                 // Only use motion with button 1
 966                 //if (cmd.button() != mouse_button::button1)
 967                 //      return false;
 968
 969                 // ignore motions deeper nested than the real anchor
 970                 Cursor & bvcur = cur.bv().cursor();
 971                 if (bvcur.anchor_.hasPart(cur)) {
 972                         CursorSlice old = bvcur.top();
 973
 974                         int const wh = bv->workHeight();
 975                         int const y = std::max(0, std::min(wh - 1, cmd.y));
 976
 977                         tm.setCursorFromCoordinates(cur, cmd.x, y);
 978                         cur.setTargetX(cmd.x);
 979                         if (cmd.y >= wh)
 980                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
 981                         else if (cmd.y < 0)
 982                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
 983                         // This is to allow jumping over large insets
 984                         if (cur.top() == old) {
 985                                 if (cmd.y >= wh)
 986                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
 987                                 else if (cmd.y < 0)
 988                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
 989                         }
 990
 991                         if (cur.top() == old)
 992                                 cur.noUpdate();
 993                         else {
 994                                 // don't set anchor_
 995                                 bvcur.setCursor(cur);
 996                                 bvcur.selection() = true;
 997                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
 998                         }
 999
1000                 } else
1001                         cur.undispatched();
1002                 break;
1003         }
1004
1005         case LFUN_MOUSE_RELEASE: {
1006                 if (cmd.button() == mouse_button::button2)
1007                         break;
1008
1009                 if (cmd.button() == mouse_button::button1) {
1010                         // if there is new selection, update persistent
1011                         // selection, otherwise, single click does not
1012                         // clear persistent selection buffer
1013                         if (cur.selection()) {
1014                                 // finish selection
1015                                 // if double click, cur is moved to the end of word by selectWord
1016                                 // but bvcur is current mouse position
1017                                 Cursor & bvcur = cur.bv().cursor();
1018                                 bvcur.selection() = true;
1019                         }
1020                         needsUpdate = false;
1021                         cur.noUpdate();
1022                 }
1023
1024                 break;
1025         }
1026
1027         case LFUN_SELF_INSERT: {
1028                 if (cmd.argument().empty())
1029                         break;
1030
1031                 // Automatically delete the currently selected
1032                 // text and replace it with what is being
1033                 // typed in now. Depends on lyxrc settings
1034                 // "auto_region_delete", which defaults to
1035                 // true (on).
1036
1037                 if (lyxrc.auto_region_delete && cur.selection()) {
1038                         cutSelection(cur, false, false);
1039                         // When change tracking is set to off, the metrics update
1040                         // mechanism correctly detects if a full update is needed or not.
1041                         // This detection fails when a selection spans multiple rows and
1042                         // change tracking is enabled because the paragraph metrics stays
1043                         // the same. In this case, we force the full update:
1044                         // (see http://bugzilla.lyx.org/show_bug.cgi?id=3992)
1045                         if (cur.buffer().params().trackChanges)
1046                                 cur.updateFlags(Update::Force);
1047                 }
1048
1049                 cur.clearSelection();
1050                 Font const old_font = cur.real_current_font;
1051
1052                 docstring::const_iterator cit = cmd.argument().begin();
1053                 docstring::const_iterator end = cmd.argument().end();
1054                 for (; cit != end; ++cit)
1055                         bv->translateAndInsert(*cit, this, cur);
1056
1057                 cur.resetAnchor();
1058                 moveCursor(cur, false);
1059                 break;
1060         }
1061
1062         case LFUN_URL_INSERT: {
1063                 InsetCommandParams p("url");
1064                 docstring content;
1065                 if (cur.selection()) {
1066                         content = cur.selectionAsString(false);
1067                         cutSelection(cur, true, false);
1068                 }
1069                 p["target"] = (cmd.argument().empty()) ?
1070                         content : cmd.argument();
1071                 string const data = InsetCommandMailer::params2string("url", p);
1072                 if (p["target"].empty()) {
1073                         bv->showInsetDialog("url", data, 0);
1074                 } else {
1075                         FuncRequest fr(LFUN_INSET_INSERT, data);
1076                         dispatch(cur, fr);
1077                 }
1078                 break;
1079         }
1080
1081         case LFUN_HTML_INSERT: {
1082                 InsetCommandParams p("htmlurl");
1083                 docstring content;
1084                 if (cur.selection()) {
1085                         content = cur.selectionAsString(false);
1086                         cutSelection(cur, true, false);
1087                 }
1088                 p["target"] = (cmd.argument().empty()) ?
1089                         content : cmd.argument();
1090                 string const data = InsetCommandMailer::params2string("url", p);
1091                 if (p["target"].empty()) {
1092                         bv->showInsetDialog("url", data, 0);
1093                 } else {
1094                         FuncRequest fr(LFUN_INSET_INSERT, data);
1095                         dispatch(cur, fr);
1096                 }
1097                 break;
1098         }
1099
1100         case LFUN_LABEL_INSERT: {
1101                 InsetCommandParams p("label");
1102                 // Try to generate a valid label
1103                 p["name"] = (cmd.argument().empty()) ?
1104                         cur.getPossibleLabel() :
1105                         cmd.argument();
1106                 string const data = InsetCommandMailer::params2string("label", p);
1107
1108                 if (cmd.argument().empty()) {
1109                         bv->showInsetDialog("label", data, 0);
1110                 } else {
1111                         FuncRequest fr(LFUN_INSET_INSERT, data);
1112                         dispatch(cur, fr);
1113                 }
1114                 break;
1115         }
1116
1117
1118 #if 0
1119         case LFUN_LIST_INSERT:
1120         case LFUN_THEOREM_INSERT:
1121 #endif
1122         case LFUN_CAPTION_INSERT:
1123                 // Open the inset, and move the current selection
1124                 // inside it.
1125                 doInsertInset(cur, this, cmd, true, true);
1126                 cur.posRight();
1127                 updateLabels(bv->buffer());
1128                 break;
1129         case LFUN_NOTE_INSERT:
1130         case LFUN_FLEX_INSERT:
1131         case LFUN_BOX_INSERT:
1132         case LFUN_BRANCH_INSERT:
1133         case LFUN_BIBITEM_INSERT:
1134         case LFUN_ERT_INSERT:
1135         case LFUN_LISTING_INSERT:
1136         case LFUN_FOOTNOTE_INSERT:
1137         case LFUN_MARGINALNOTE_INSERT:
1138         case LFUN_OPTIONAL_INSERT:
1139         case LFUN_ENVIRONMENT_INSERT:
1140                 // Open the inset, and move the current selection
1141                 // inside it.
1142                 doInsertInset(cur, this, cmd, true, true);
1143                 cur.posRight();
1144                 break;
1145
1146         case LFUN_TABULAR_INSERT:
1147                 // if there were no arguments, just open the dialog
1148                 if (doInsertInset(cur, this, cmd, false, true))
1149                         cur.posRight();
1150                 else
1151                         bv->showDialog("tabularcreate");
1152
1153                 break;
1154
1155         case LFUN_FLOAT_INSERT:
1156         case LFUN_FLOAT_WIDE_INSERT:
1157         case LFUN_WRAP_INSERT: {
1158                 bool content = cur.selection();  // will some text be moved into the inset?
1159
1160                 doInsertInset(cur, this, cmd, true, true);
1161                 cur.posRight();
1162                 ParagraphList & pars = cur.text()->paragraphs();
1163
1164                 TextClass const & tclass = bv->buffer().params().getTextClass();
1165
1166                 // add a separate paragraph for the caption inset
1167                 pars.push_back(Paragraph());
1168                 pars.back().setInsetOwner(pars[0].inInset());
1169                 pars.back().layout(tclass.defaultLayout());
1170
1171                 int cap_pit = pars.size() - 1;
1172
1173                 // if an empty inset was created, we create an additional empty
1174                 // paragraph at the bottom so that the user can choose where to put
1175                 // the graphics (or table).
1176                 if (!content) {
1177                         pars.push_back(Paragraph());
1178                         pars.back().setInsetOwner(pars[0].inInset());
1179                         pars.back().layout(tclass.defaultLayout());
1180
1181                 }
1182
1183                 // reposition the cursor to the caption
1184                 cur.pit() = cap_pit;
1185                 cur.pos() = 0;
1186                 // FIXME: This Text/Cursor dispatch handling is a mess!
1187                 // We cannot use Cursor::dispatch here it needs access to up to
1188                 // date metrics.
1189                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1190                 cur.text()->dispatch(cur, cmd_caption);
1191                 cur.updateFlags(Update::Force);
1192                 // FIXME: When leaving the Float (or Wrap) inset we should
1193                 // delete any empty paragraph left above or below the
1194                 // caption.
1195                 break;
1196         }
1197
1198         case LFUN_INDEX_INSERT:
1199         case LFUN_NOMENCL_INSERT: {
1200                 Inset * inset = createInset(&cur.bv(), cmd);
1201                 if (!inset)
1202                         break;
1203                 recordUndo(cur);
1204                 cur.clearSelection();
1205                 insertInset(cur, inset);
1206                 // Show the dialog for the nomenclature entry, since the
1207                 // description entry still needs to be filled in.
1208                 if (cmd.action == LFUN_NOMENCL_INSERT)
1209                         inset->edit(cur, true);
1210                 cur.posRight();
1211                 break;
1212         }
1213
1214         case LFUN_INDEX_PRINT:
1215         case LFUN_NOMENCL_PRINT:
1216         case LFUN_TOC_INSERT:
1217         case LFUN_HFILL_INSERT:
1218         case LFUN_LINE_INSERT:
1219         case LFUN_PAGEBREAK_INSERT:
1220         case LFUN_CLEARPAGE_INSERT:
1221         case LFUN_CLEARDOUBLEPAGE_INSERT:
1222                 // do nothing fancy
1223                 doInsertInset(cur, this, cmd, false, false);
1224                 cur.posRight();
1225                 break;
1226
1227         case LFUN_DEPTH_DECREMENT:
1228                 changeDepth(cur, DEC_DEPTH);
1229                 break;
1230
1231         case LFUN_DEPTH_INCREMENT:
1232                 changeDepth(cur, INC_DEPTH);
1233                 break;
1234
1235         case LFUN_MATH_DISPLAY:
1236                 mathDispatch(cur, cmd, true);
1237                 break;
1238
1239         case LFUN_MATH_IMPORT_SELECTION:
1240         case LFUN_MATH_MODE:
1241                 if (cmd.argument() == "on")
1242                         // don't pass "on" as argument
1243                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1244                 else
1245                         mathDispatch(cur, cmd, false);
1246                 break;
1247
1248         case LFUN_MATH_MACRO:
1249                 if (cmd.argument().empty())
1250                         cur.errorMessage(from_utf8(N_("Missing argument")));
1251                 else {
1252                         string s = to_utf8(cmd.argument());
1253                         string const s1 = token(s, ' ', 1);
1254                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1255                         string const s2 = token(s, ' ', 2);
1256                         string const type = s2.empty() ? "newcommand" : s2;
1257                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1258                         //cur.nextInset()->edit(cur, true);
1259                 }
1260                 break;
1261
1262         // passthrough hat and underscore outside mathed:
1263         case LFUN_MATH_SUBSCRIPT:
1264                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1265                 break;
1266         case LFUN_MATH_SUPERSCRIPT:
1267                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1268                 break;
1269
1270         case LFUN_MATH_INSERT:
1271         case LFUN_MATH_MATRIX:
1272         case LFUN_MATH_DELIM:
1273         case LFUN_MATH_BIGDELIM: {
1274                 if (cur.selection())
1275                         cur.clearSelection();
1276                 // FIXME: instead of the above, this one
1277                 // should be used (but it asserts with Bidi enabled)
1278                 // cf. http://bugzilla.lyx.org/show_bug.cgi?id=4055
1279                 // cap::replaceSelection(cur);
1280                 cur.insert(new InsetMathHull(hullSimple));
1281                 checkAndActivateInset(cur, true);
1282                 BOOST_ASSERT(cur.inMathed());
1283                 cur.dispatch(cmd);
1284                 break;
1285         }
1286
1287         case LFUN_FONT_EMPH: {
1288                 Font font(Font::ALL_IGNORE);
1289                 font.setEmph(Font::TOGGLE);
1290                 toggleAndShow(cur, this, font);
1291                 break;
1292         }
1293
1294         case LFUN_FONT_BOLD: {
1295                 Font font(Font::ALL_IGNORE);
1296                 font.setSeries(Font::BOLD_SERIES);
1297                 toggleAndShow(cur, this, font);
1298                 break;
1299         }
1300
1301         case LFUN_FONT_NOUN: {
1302                 Font font(Font::ALL_IGNORE);
1303                 font.setNoun(Font::TOGGLE);
1304                 toggleAndShow(cur, this, font);
1305                 break;
1306         }
1307
1308         case LFUN_FONT_TYPEWRITER: {
1309                 Font font(Font::ALL_IGNORE);
1310                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1311                 toggleAndShow(cur, this, font);
1312                 break;
1313         }
1314
1315         case LFUN_FONT_SANS: {
1316                 Font font(Font::ALL_IGNORE);
1317                 font.setFamily(Font::SANS_FAMILY);
1318                 toggleAndShow(cur, this, font);
1319                 break;
1320         }
1321
1322         case LFUN_FONT_ROMAN: {
1323                 Font font(Font::ALL_IGNORE);
1324                 font.setFamily(Font::ROMAN_FAMILY);
1325                 toggleAndShow(cur, this, font);
1326                 break;
1327         }
1328
1329         case LFUN_FONT_DEFAULT: {
1330                 Font font(Font::ALL_INHERIT, ignore_language);
1331                 toggleAndShow(cur, this, font);
1332                 break;
1333         }
1334
1335         case LFUN_FONT_UNDERLINE: {
1336                 Font font(Font::ALL_IGNORE);
1337                 font.setUnderbar(Font::TOGGLE);
1338                 toggleAndShow(cur, this, font);
1339                 break;
1340         }
1341
1342         case LFUN_FONT_SIZE: {
1343                 Font font(Font::ALL_IGNORE);
1344                 font.setLyXSize(to_utf8(cmd.argument()));
1345                 toggleAndShow(cur, this, font);
1346                 break;
1347         }
1348
1349         case LFUN_LANGUAGE: {
1350                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1351                 if (!lang)
1352                         break;
1353                 Font font(Font::ALL_IGNORE);
1354                 font.setLanguage(lang);
1355                 toggleAndShow(cur, this, font);
1356                 break;
1357         }
1358
1359         case LFUN_FONT_FREE_APPLY:
1360                 toggleAndShow(cur, this, freefont, toggleall);
1361                 cur.message(_("Character set"));
1362                 break;
1363
1364         // Set the freefont using the contents of \param data dispatched from
1365         // the frontends and apply it at the current cursor location.
1366         case LFUN_FONT_FREE_UPDATE: {
1367                 Font font;
1368                 bool toggle;
1369                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1370                         freefont = font;
1371                         toggleall = toggle;
1372                         toggleAndShow(cur, this, freefont, toggleall);
1373                         cur.message(_("Character set"));
1374                 }
1375                 break;
1376         }
1377
1378         case LFUN_FINISHED_LEFT:
1379                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1380                 if (reverseDirectionNeeded(cur))
1381                         ++cur.pos();
1382                 break;
1383
1384         case LFUN_FINISHED_RIGHT:
1385                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1386                 if (!reverseDirectionNeeded(cur))
1387                         ++cur.pos();
1388                 break;
1389
1390         case LFUN_LAYOUT_PARAGRAPH: {
1391                 string data;
1392                 params2string(cur.paragraph(), data);
1393                 data = "show\n" + data;
1394                 bv->showDialogWithData("paragraph", data);
1395                 break;
1396         }
1397
1398         case LFUN_PARAGRAPH_UPDATE: {
1399                 string data;
1400                 params2string(cur.paragraph(), data);
1401
1402                 // Will the paragraph accept changes from the dialog?
1403                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1404
1405                 data = "update " + convert<string>(accept) + '\n' + data;
1406                 bv->updateDialog("paragraph", data);
1407                 break;
1408         }
1409
1410         case LFUN_ACCENT_UMLAUT:
1411         case LFUN_ACCENT_CIRCUMFLEX:
1412         case LFUN_ACCENT_GRAVE:
1413         case LFUN_ACCENT_ACUTE:
1414         case LFUN_ACCENT_TILDE:
1415         case LFUN_ACCENT_CEDILLA:
1416         case LFUN_ACCENT_MACRON:
1417         case LFUN_ACCENT_DOT:
1418         case LFUN_ACCENT_UNDERDOT:
1419         case LFUN_ACCENT_UNDERBAR:
1420         case LFUN_ACCENT_CARON:
1421         case LFUN_ACCENT_SPECIAL_CARON:
1422         case LFUN_ACCENT_BREVE:
1423         case LFUN_ACCENT_TIE:
1424         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1425         case LFUN_ACCENT_CIRCLE:
1426         case LFUN_ACCENT_OGONEK:
1427                 theLyXFunc().handleKeyFunc(cmd.action);
1428                 if (!cmd.argument().empty())
1429                         // FIXME: Are all these characters encoded in one byte in utf8?
1430                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1431                 break;
1432
1433         case LFUN_FLOAT_LIST: {
1434                 TextClass const & tclass = bv->buffer().params().getTextClass();
1435                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1436                         recordUndo(cur);
1437                         if (cur.selection())
1438                                 cutSelection(cur, true, false);
1439                         breakParagraph(cur);
1440
1441                         if (cur.lastpos() != 0) {
1442                                 cursorLeft(cur);
1443                                 breakParagraph(cur);
1444                         }
1445
1446                         setLayout(cur, tclass.defaultLayoutName());
1447                         ParagraphParameters p;
1448                         setParagraphs(cur, p);
1449                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1450                         cur.posRight();
1451                 } else {
1452                         lyxerr << "Non-existent float type: "
1453                                << to_utf8(cmd.argument()) << endl;
1454                 }
1455                 break;
1456         }
1457
1458         case LFUN_CHANGE_ACCEPT: {
1459                 acceptOrRejectChanges(cur, ACCEPT);
1460                 break;
1461         }
1462
1463         case LFUN_CHANGE_REJECT: {
1464                 acceptOrRejectChanges(cur, REJECT);
1465                 break;
1466         }
1467
1468         case LFUN_THESAURUS_ENTRY: {
1469                 docstring arg = cmd.argument();
1470                 if (arg.empty()) {
1471                         arg = cur.selectionAsString(false);
1472                         // FIXME
1473                         if (arg.size() > 100 || arg.empty()) {
1474                                 // Get word or selection
1475                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1476                                 arg = cur.selectionAsString(false);
1477                         }
1478                 }
1479                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1480                 break;
1481         }
1482
1483         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1484                 // Given data, an encoding of the ParagraphParameters
1485                 // generated in the Paragraph dialog, this function sets
1486                 // the current paragraph, or currently selected paragraphs,
1487                 // appropriately.
1488                 // NOTE: This function overrides all existing settings.
1489                 setParagraphs(cur, cmd.argument());
1490                 cur.message(_("Paragraph layout set"));
1491                 break;
1492         }
1493
1494         case LFUN_PARAGRAPH_PARAMS: {
1495                 // Given data, an encoding of the ParagraphParameters as we'd
1496                 // find them in a LyX file, this function modifies the current paragraph,
1497                 // or currently selected paragraphs.
1498                 // NOTE: This function only modifies, and does not override, existing
1499                 // settings.
1500                 setParagraphs(cur, cmd.argument(), true);
1501                 cur.message(_("Paragraph layout set"));
1502                 break;
1503         }
1504
1505         case LFUN_ESCAPE:
1506                 if (cur.selection()) {
1507                         cur.selection() = false;
1508                 } else {
1509                         cur.undispatched();
1510                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1511                 }
1512                 break;
1513
1514         default:
1515                 LYXERR(Debug::ACTION)
1516                         << BOOST_CURRENT_FUNCTION
1517                         << ": Command " << cmd
1518                         << " not DISPATCHED by Text" << endl;
1519                 cur.undispatched();
1520                 break;
1521         }
1522
1523         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1524
1525         // FIXME: The cursor flag is reset two lines below
1526         // so we need to check here if some of the LFUN did touch that.
1527         // for now only Text::erase() and Text::backspace() do that.
1528         // The plan is to verify all the LFUNs and then to remove this
1529         // singleParUpdate boolean altogether.
1530         if (cur.result().update() & Update::Force) {
1531                 singleParUpdate = false;
1532                 needsUpdate = true;
1533         }
1534
1535         // FIXME: the following code should go in favor of fine grained
1536         // update flag treatment.
1537         if (singleParUpdate) {
1538                 // Inserting characters does not change par height
1539                 ParagraphMetrics const & pms
1540                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1541                 if (pms.dim().height()
1542                     == olddim.height()) {
1543                         // if so, update _only_ this paragraph
1544                         cur.updateFlags(Update::SinglePar |
1545                                 Update::FitCursor |
1546                                 Update::MultiParSel);
1547                         return;
1548                 } else
1549                         needsUpdate = true;
1550         }
1551
1552         if (!needsUpdate
1553             && &oldTopSlice.inset() == &cur.inset()
1554             && oldTopSlice.idx() == cur.idx()
1555             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1556             && !cur.selection())
1557                 // FIXME: it would be better if we could just do this
1558                 //
1559                 //if (cur.result().update() != Update::FitCursor)
1560                 //      cur.noUpdate();
1561                 //
1562                 // But some LFUNs do not set Update::FitCursor when needed, so we
1563                 // do it for all. This is not very harmfull as FitCursor will provoke
1564                 // a full redraw only if needed but still, a proper review of all LFUN
1565                 // should be done and this needsUpdate boolean can then be removed.
1566                 cur.updateFlags(Update::FitCursor);
1567         else
1568                 cur.updateFlags(Update::Force | Update::FitCursor);
1569 }
1570
1571
1572 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1573                         FuncStatus & flag) const
1574 {
1575         BOOST_ASSERT(cur.text() == this);
1576
1577         Font const & font = cur.real_current_font;
1578         bool enable = true;
1579         Inset::Code code = Inset::NO_CODE;
1580
1581         switch (cmd.action) {
1582
1583         case LFUN_DEPTH_DECREMENT:
1584                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1585                 break;
1586
1587         case LFUN_DEPTH_INCREMENT:
1588                 enable = changeDepthAllowed(cur, INC_DEPTH);
1589                 break;
1590
1591         case LFUN_APPENDIX:
1592                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1593                 return true;
1594
1595         case LFUN_BIBITEM_INSERT:
1596                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1597                           && cur.pos() == 0);
1598                 break;
1599
1600         case LFUN_DIALOG_SHOW_NEW_INSET:
1601                 if (cmd.argument() == "bibitem")
1602                         code = Inset::BIBITEM_CODE;
1603                 else if (cmd.argument() == "bibtex")
1604                         code = Inset::BIBTEX_CODE;
1605                 else if (cmd.argument() == "box")
1606                         code = Inset::BOX_CODE;
1607                 else if (cmd.argument() == "branch")
1608                         code = Inset::BRANCH_CODE;
1609                 else if (cmd.argument() == "citation")
1610                         code = Inset::CITE_CODE;
1611                 else if (cmd.argument() == "ert")
1612                         code = Inset::ERT_CODE;
1613                 else if (cmd.argument() == "external")
1614                         code = Inset::EXTERNAL_CODE;
1615                 else if (cmd.argument() == "float")
1616                         code = Inset::FLOAT_CODE;
1617                 else if (cmd.argument() == "graphics")
1618                         code = Inset::GRAPHICS_CODE;
1619                 else if (cmd.argument() == "include")
1620                         code = Inset::INCLUDE_CODE;
1621                 else if (cmd.argument() == "index")
1622                         code = Inset::INDEX_CODE;
1623                 else if (cmd.argument() == "nomenclature")
1624                         code = Inset::NOMENCL_CODE;
1625                 else if (cmd.argument() == "label")
1626                         code = Inset::LABEL_CODE;
1627                 else if (cmd.argument() == "note")
1628                         code = Inset::NOTE_CODE;
1629                 else if (cmd.argument() == "ref")
1630                         code = Inset::REF_CODE;
1631                 else if (cmd.argument() == "toc")
1632                         code = Inset::TOC_CODE;
1633                 else if (cmd.argument() == "url")
1634                         code = Inset::URL_CODE;
1635                 else if (cmd.argument() == "vspace")
1636                         code = Inset::VSPACE_CODE;
1637                 else if (cmd.argument() == "wrap")
1638                         code = Inset::WRAP_CODE;
1639                 else if (cmd.argument() == "listings")
1640                         code = Inset::LISTINGS_CODE;
1641                 break;
1642
1643         case LFUN_ERT_INSERT:
1644                 code = Inset::ERT_CODE;
1645                 break;
1646         case LFUN_LISTING_INSERT:
1647             code = Inset::LISTINGS_CODE;
1648                 break;
1649         case LFUN_FOOTNOTE_INSERT:
1650                 code = Inset::FOOT_CODE;
1651                 break;
1652         case LFUN_TABULAR_INSERT:
1653                 code = Inset::TABULAR_CODE;
1654                 break;
1655         case LFUN_MARGINALNOTE_INSERT:
1656                 code = Inset::MARGIN_CODE;
1657                 break;
1658         case LFUN_FLOAT_INSERT:
1659         case LFUN_FLOAT_WIDE_INSERT:
1660                 code = Inset::FLOAT_CODE;
1661                 break;
1662         case LFUN_WRAP_INSERT:
1663                 code = Inset::WRAP_CODE;
1664                 break;
1665         case LFUN_FLOAT_LIST:
1666                 code = Inset::FLOAT_LIST_CODE;
1667                 break;
1668 #if 0
1669         case LFUN_LIST_INSERT:
1670                 code = Inset::LIST_CODE;
1671                 break;
1672         case LFUN_THEOREM_INSERT:
1673                 code = Inset::THEOREM_CODE;
1674                 break;
1675 #endif
1676         case LFUN_CAPTION_INSERT:
1677                 code = Inset::CAPTION_CODE;
1678                 break;
1679         case LFUN_NOTE_INSERT:
1680                 code = Inset::NOTE_CODE;
1681                 break;
1682         case LFUN_FLEX_INSERT: {
1683                 code = Inset::FLEX_CODE;
1684                 string s = cmd.getArg(0);
1685                 InsetLayout il =  cur.buffer().params().getTextClass().insetlayout(from_utf8(s));
1686                 if (il.lyxtype != "charstyle" &&
1687                     il.lyxtype != "custom" &&
1688                     il.lyxtype != "element")
1689                         enable = false;
1690                 break;
1691                 }
1692         case LFUN_BOX_INSERT:
1693                 code = Inset::BOX_CODE;
1694                 break;
1695         case LFUN_BRANCH_INSERT:
1696                 code = Inset::BRANCH_CODE;
1697                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1698                         enable = false;
1699                 break;
1700         case LFUN_LABEL_INSERT:
1701                 code = Inset::LABEL_CODE;
1702                 break;
1703         case LFUN_OPTIONAL_INSERT:
1704                 code = Inset::OPTARG_CODE;
1705                 enable = numberOfOptArgs(cur.paragraph())
1706                         < cur.paragraph().layout()->optionalargs;
1707                 break;
1708         case LFUN_ENVIRONMENT_INSERT:
1709                 code = Inset::BOX_CODE;
1710                 break;
1711         case LFUN_INDEX_INSERT:
1712                 code = Inset::INDEX_CODE;
1713                 break;
1714         case LFUN_INDEX_PRINT:
1715                 code = Inset::INDEX_PRINT_CODE;
1716                 break;
1717         case LFUN_NOMENCL_INSERT:
1718                 code = Inset::NOMENCL_CODE;
1719                 break;
1720         case LFUN_NOMENCL_PRINT:
1721                 code = Inset::NOMENCL_PRINT_CODE;
1722                 break;
1723         case LFUN_TOC_INSERT:
1724                 code = Inset::TOC_CODE;
1725                 break;
1726         case LFUN_HTML_INSERT:
1727         case LFUN_URL_INSERT:
1728                 code = Inset::URL_CODE;
1729                 break;
1730         case LFUN_QUOTE_INSERT:
1731                 // always allow this, since we will inset a raw quote
1732                 // if an inset is not allowed.
1733                 break;
1734         case LFUN_HYPHENATION_POINT_INSERT:
1735         case LFUN_LIGATURE_BREAK_INSERT:
1736         case LFUN_HFILL_INSERT:
1737         case LFUN_MENU_SEPARATOR_INSERT:
1738         case LFUN_DOTS_INSERT:
1739         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1740                 code = Inset::SPECIALCHAR_CODE;
1741                 break;
1742         case LFUN_SPACE_INSERT:
1743                 // slight hack: we know this is allowed in math mode
1744                 if (cur.inTexted())
1745                         code = Inset::SPACE_CODE;
1746                 break;
1747
1748         case LFUN_INSET_MODIFY:
1749                 // We need to disable this, because we may get called for a
1750                 // tabular cell via
1751                 // InsetTabular::getStatus() -> InsetText::getStatus()
1752                 // and we don't handle LFUN_INSET_MODIFY.
1753                 enable = false;
1754                 break;
1755
1756         case LFUN_FONT_EMPH:
1757                 flag.setOnOff(font.emph() == Font::ON);
1758                 return true;
1759
1760         case LFUN_FONT_NOUN:
1761                 flag.setOnOff(font.noun() == Font::ON);
1762                 return true;
1763
1764         case LFUN_FONT_BOLD:
1765                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1766                 return true;
1767
1768         case LFUN_FONT_SANS:
1769                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1770                 return true;
1771
1772         case LFUN_FONT_ROMAN:
1773                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1774                 return true;
1775
1776         case LFUN_FONT_TYPEWRITER:
1777                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1778                 return true;
1779
1780         case LFUN_CUT:
1781         case LFUN_COPY:
1782                 enable = cur.selection();
1783                 break;
1784
1785         case LFUN_PASTE:
1786                 if (cmd.argument().empty()) {
1787                         if (theClipboard().isInternal())
1788                                 enable = cap::numberOfSelections() > 0;
1789                         else
1790                                 enable = !theClipboard().empty();
1791                 } else {
1792                         string const arg = to_utf8(cmd.argument());
1793                         if (isStrUnsignedInt(arg)) {
1794                                 unsigned int n = convert<unsigned int>(arg);
1795                                 enable = cap::numberOfSelections() > n;
1796                         } else
1797                                 // unknown argument
1798                                 enable = false;
1799                 }
1800                 break;
1801
1802         case LFUN_CLIPBOARD_PASTE:
1803                 enable = !theClipboard().empty();
1804                 break;
1805
1806         case LFUN_PRIMARY_SELECTION_PASTE:
1807                 enable = cur.selection() || !theSelection().empty();
1808                 break;
1809
1810         case LFUN_PARAGRAPH_MOVE_UP:
1811                 enable = cur.pit() > 0 && !cur.selection();
1812                 break;
1813
1814         case LFUN_PARAGRAPH_MOVE_DOWN:
1815                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1816                 break;
1817
1818         case LFUN_INSET_DISSOLVE:
1819                 enable = !isMainText(cur.bv().buffer()) && cur.inset().nargs() == 1;
1820                 break;
1821
1822         case LFUN_CHANGE_ACCEPT:
1823         case LFUN_CHANGE_REJECT:
1824                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1825                 // In principle, these LFUNs should only be enabled if there
1826                 // is a change at the current position/in the current selection.
1827                 // However, without proper optimizations, this will inevitably
1828                 // result in unacceptable performance - just imagine a user who
1829                 // wants to select the complete content of a long document.
1830                 enable = true;
1831                 break;
1832
1833         case LFUN_WORD_DELETE_FORWARD:
1834         case LFUN_WORD_DELETE_BACKWARD:
1835         case LFUN_LINE_DELETE:
1836         case LFUN_WORD_FORWARD:
1837         case LFUN_WORD_BACKWARD:
1838         case LFUN_CHAR_FORWARD:
1839         case LFUN_CHAR_FORWARD_SELECT:
1840         case LFUN_CHAR_BACKWARD:
1841         case LFUN_CHAR_BACKWARD_SELECT:
1842         case LFUN_UP:
1843         case LFUN_UP_SELECT:
1844         case LFUN_DOWN:
1845         case LFUN_DOWN_SELECT:
1846         case LFUN_PARAGRAPH_UP_SELECT:
1847         case LFUN_PARAGRAPH_DOWN_SELECT:
1848         case LFUN_SCREEN_UP_SELECT:
1849         case LFUN_SCREEN_DOWN_SELECT:
1850         case LFUN_LINE_BEGIN_SELECT:
1851         case LFUN_LINE_END_SELECT:
1852         case LFUN_WORD_FORWARD_SELECT:
1853         case LFUN_WORD_BACKWARD_SELECT:
1854         case LFUN_WORD_SELECT:
1855         case LFUN_PARAGRAPH_UP:
1856         case LFUN_PARAGRAPH_DOWN:
1857         case LFUN_LINE_BEGIN:
1858         case LFUN_LINE_END:
1859         case LFUN_BREAK_LINE:
1860         case LFUN_CHAR_DELETE_FORWARD:
1861         case LFUN_DELETE_FORWARD_SKIP:
1862         case LFUN_CHAR_DELETE_BACKWARD:
1863         case LFUN_DELETE_BACKWARD_SKIP:
1864         case LFUN_BREAK_PARAGRAPH:
1865         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1866         case LFUN_BREAK_PARAGRAPH_SKIP:
1867         case LFUN_PARAGRAPH_SPACING:
1868         case LFUN_INSET_INSERT:
1869         case LFUN_WORD_UPCASE:
1870         case LFUN_WORD_LOWCASE:
1871         case LFUN_WORD_CAPITALIZE:
1872         case LFUN_CHARS_TRANSPOSE:
1873         case LFUN_SERVER_GET_XY:
1874         case LFUN_SERVER_SET_XY:
1875         case LFUN_SERVER_GET_FONT:
1876         case LFUN_SERVER_GET_LAYOUT:
1877         case LFUN_LAYOUT:
1878         case LFUN_DATE_INSERT:
1879         case LFUN_SELF_INSERT:
1880         case LFUN_LINE_INSERT:
1881         case LFUN_PAGEBREAK_INSERT:
1882         case LFUN_CLEARPAGE_INSERT:
1883         case LFUN_CLEARDOUBLEPAGE_INSERT:
1884         case LFUN_MATH_DISPLAY:
1885         case LFUN_MATH_IMPORT_SELECTION:
1886         case LFUN_MATH_MODE:
1887         case LFUN_MATH_MACRO:
1888         case LFUN_MATH_MATRIX:
1889         case LFUN_MATH_DELIM:
1890         case LFUN_MATH_BIGDELIM:
1891         case LFUN_MATH_INSERT:
1892         case LFUN_MATH_SUBSCRIPT:
1893         case LFUN_MATH_SUPERSCRIPT:
1894         case LFUN_FONT_DEFAULT:
1895         case LFUN_FONT_UNDERLINE:
1896         case LFUN_FONT_SIZE:
1897         case LFUN_LANGUAGE:
1898         case LFUN_FONT_FREE_APPLY:
1899         case LFUN_FONT_FREE_UPDATE:
1900         case LFUN_LAYOUT_PARAGRAPH:
1901         case LFUN_PARAGRAPH_UPDATE:
1902         case LFUN_ACCENT_UMLAUT:
1903         case LFUN_ACCENT_CIRCUMFLEX:
1904         case LFUN_ACCENT_GRAVE:
1905         case LFUN_ACCENT_ACUTE:
1906         case LFUN_ACCENT_TILDE:
1907         case LFUN_ACCENT_CEDILLA:
1908         case LFUN_ACCENT_MACRON:
1909         case LFUN_ACCENT_DOT:
1910         case LFUN_ACCENT_UNDERDOT:
1911         case LFUN_ACCENT_UNDERBAR:
1912         case LFUN_ACCENT_CARON:
1913         case LFUN_ACCENT_SPECIAL_CARON:
1914         case LFUN_ACCENT_BREVE:
1915         case LFUN_ACCENT_TIE:
1916         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1917         case LFUN_ACCENT_CIRCLE:
1918         case LFUN_ACCENT_OGONEK:
1919         case LFUN_THESAURUS_ENTRY:
1920         case LFUN_PARAGRAPH_PARAMS_APPLY:
1921         case LFUN_PARAGRAPH_PARAMS:
1922         case LFUN_ESCAPE:
1923         case LFUN_BUFFER_END:
1924         case LFUN_BUFFER_BEGIN:
1925         case LFUN_BUFFER_BEGIN_SELECT:
1926         case LFUN_BUFFER_END_SELECT:
1927         case LFUN_UNICODE_INSERT:
1928                 // these are handled in our dispatch()
1929                 enable = true;
1930                 break;
1931
1932         default:
1933                 return false;
1934         }
1935
1936         if (code != Inset::NO_CODE
1937             && (cur.empty() || !cur.inset().insetAllowed(code)))
1938                 enable = false;
1939
1940         flag.enabled(enable);
1941         return true;
1942 }
1943
1944
1945 void Text::pasteString(Cursor & cur, docstring const & clip,
1946                 bool asParagraphs)
1947 {
1948         cur.clearSelection();
1949         if (!clip.empty()) {
1950                 recordUndo(cur);
1951                 if (asParagraphs)
1952                         insertStringAsParagraphs(cur, clip);
1953                 else
1954                         insertStringAsLines(cur, clip);
1955         }
1956 }
1957
1958 } // namespace lyx