src/Text3.cpp

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