src/text3.C

   1 /**
   2  * \file text3.C
   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 "lyxtext.h"
  19
  20 #include "BranchList.h"
  21 #include "FloatList.h"
  22 #include "FuncStatus.h"
  23 #include "buffer.h"
  24 #include "buffer_funcs.h"
  25 #include "bufferparams.h"
  26 #include "BufferView.h"
  27 #include "cursor.h"
  28 #include "coordcache.h"
  29 #include "CutAndPaste.h"
  30 #include "debug.h"
  31 #include "dispatchresult.h"
  32 #include "errorlist.h"
  33 #include "factory.h"
  34 #include "funcrequest.h"
  35 #include "gettext.h"
  36 #include "intl.h"
  37 #include "language.h"
  38 #include "LyXAction.h"
  39 #include "lyxfunc.h"
  40 #include "lyxlex.h"
  41 #include "lyxrc.h"
  42 #include "lyxrow.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
  74 namespace lyx {
  75
  76 using cap::copySelection;
  77 using cap::cutSelection;
  78 using cap::pasteSelection;
  79 using cap::replaceSelection;
  80
  81 using support::isStrUnsignedInt;
  82 using support::token;
  83
  84 using std::endl;
  85 using std::string;
  86 using std::istringstream;
  87 using std::ostringstream;
  88
  89
  90 extern string current_layout;
  91
  92
  93 namespace {
  94
  95         // globals...
  96         LyXFont freefont(LyXFont::ALL_IGNORE);
  97         bool toggleall = false;
  98
  99
 100         void toggleAndShow(LCursor & cur, LyXText * text,
 101                 LyXFont const & font, bool toggleall = true)
 102         {
 103                 text->toggleFree(cur, font, toggleall);
 104
 105                 if (font.language() != ignore_language ||
 106                                 font.number() != LyXFont::IGNORE) {
 107                         Paragraph & par = cur.paragraph();
 108                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 109                         if (cur.boundary() !=
 110                                         text->bidi.isBoundary(cur.buffer(), par,
 111                                                         cur.pos(),
 112                                                         text->real_current_font))
 113                                 text->setCursor(cur, cur.pit(), cur.pos(),
 114                                                 false, !cur.boundary());
 115                 }
 116         }
 117
 118
 119         void moveCursor(LCursor & cur, bool selecting)
 120         {
 121                 if (selecting || cur.mark())
 122                         cur.setSelection();
 123                 if (!cur.selection())
 124                         theSelection().haveSelection(false);
 125                 cur.bv().switchKeyMap();
 126         }
 127
 128
 129         void finishChange(LCursor & cur, bool selecting)
 130         {
 131                 finishUndo();
 132                 moveCursor(cur, selecting);
 133         }
 134
 135
 136         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 137         {
 138                 recordUndo(cur);
 139                 docstring sel = cur.selectionAsString(false);
 140                 //lyxerr << "selection is: '" << sel << "'" << endl;
 141
 142                 // It may happen that sel is empty but there is a selection
 143                 replaceSelection(cur);
 144
 145                 if (sel.empty()) {
 146                         const int old_pos = cur.pos();
 147                         cur.insert(new InsetMathHull(hullSimple));
 148                         BOOST_ASSERT(old_pos == cur.pos());
 149                         cur.nextInset()->edit(cur, true);
 150                         // don't do that also for LFUN_MATH_MODE
 151                         // unless you want end up with always changing
 152                         // to mathrm when opening an inlined inset --
 153                         // I really hate "LyXfunc overloading"...
 154                         if (display)
 155                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 156                         // Avoid an unnecessary undo step if cmd.argument
 157                         // is empty
 158                         if (!cmd.argument().empty())
 159                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 160                                                          cmd.argument()));
 161                 } else {
 162                         // create a macro if we see "\\newcommand"
 163                         // somewhere, and an ordinary formula
 164                         // otherwise
 165                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 166                             && sel.find(from_ascii("\\def")) == string::npos)
 167                         {
 168                                 InsetMathHull * formula = new InsetMathHull;
 169                                 istringstream is(to_utf8(sel));
 170                                 LyXLex lex(0, 0);
 171                                 lex.setStream(is);
 172                                 formula->read(cur.buffer(), lex);
 173                                 if (formula->getType() == hullNone)
 174                                         // Don't create pseudo formulas if
 175                                         // delimiters are left out
 176                                         formula->mutate(hullSimple);
 177                                 cur.insert(formula);
 178                         } else {
 179                                 cur.insert(new MathMacroTemplate(sel));
 180                         }
 181                 }
 182                 cur.message(from_utf8(N_("Math editor mode")));
 183         }
 184
 185 } // namespace anon
 186
 187
 188
 189 namespace bv_funcs {
 190
 191 string const freefont2string()
 192 {
 193         string data;
 194         if (font2string(freefont, toggleall, data))
 195                 return data;
 196         return string();
 197 }
 198
 199 }
 200
 201 bool LyXText::cursorPrevious(LCursor & cur)
 202 {
 203         pos_type cpos = cur.pos();
 204         pit_type cpar = cur.pit();
 205
 206         int x = cur.x_target();
 207
 208         bool updated = setCursorFromCoordinates(cur, x, 0);
 209         if (updated)
 210                 cur.bv().update();
 211         updated |= cursorUp(cur);
 212
 213         if (cpar == cur.pit() && cpos == cur.pos()) {
 214                 // we have a row which is taller than the workarea. The
 215                 // simplest solution is to move to the previous row instead.
 216                 updated |= cursorUp(cur);
 217         }
 218
 219         finishUndo();
 220         return updated;
 221 }
 222
 223
 224 bool LyXText::cursorNext(LCursor & cur)
 225 {
 226         pos_type cpos = cur.pos();
 227         pit_type cpar = cur.pit();
 228
 229         int x = cur.x_target();
 230         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 231         if (updated)
 232                 cur.bv().update();
 233         updated |= cursorDown(cur);
 234
 235         if (cpar == cur.pit() && cpos == cur.pos()) {
 236                 // we have a row which is taller than the workarea. The
 237                 // simplest solution is to move to the next row instead.
 238                 updated |= cursorDown(cur);
 239         }
 240
 241         finishUndo();
 242         return updated;
 243 }
 244
 245
 246 namespace {
 247
 248 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 249 {
 250         cap::replaceSelection(cur);
 251         cur.insert(new InsetSpecialChar(kind));
 252         cur.posRight();
 253 }
 254
 255
 256 bool doInsertInset(LCursor & cur, LyXText * text,
 257         FuncRequest const & cmd, bool edit, bool pastesel)
 258 {
 259         InsetBase * inset = createInset(&cur.bv(), cmd);
 260         if (!inset)
 261                 return false;
 262
 263         recordUndo(cur);
 264         bool gotsel = false;
 265         if (cur.selection()) {
 266                 lyx::dispatch(FuncRequest(LFUN_CUT));
 267                 gotsel = true;
 268         }
 269         text->insertInset(cur, inset);
 270
 271         if (edit)
 272                 inset->edit(cur, true);
 273
 274         if (gotsel && pastesel) {
 275                 lyx::dispatch(FuncRequest(LFUN_PASTE));
 276                 // reset first par to default
 277                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 278                         LyXLayout_ptr const layout =
 279                                 cur.buffer().params().getLyXTextClass().defaultLayout();
 280                         cur.text()->paragraphs().begin()->layout(layout);
 281                 }
 282         }
 283         return true;
 284 }
 285
 286
 287 } // anon namespace
 288
 289
 290 void LyXText::number(LCursor & cur)
 291 {
 292         LyXFont font(LyXFont::ALL_IGNORE);
 293         font.setNumber(LyXFont::TOGGLE);
 294         toggleAndShow(cur, this, font);
 295 }
 296
 297
 298 bool LyXText::isRTL(Buffer const & buffer, Paragraph const & par) const
 299 {
 300         return par.isRightToLeftPar(buffer.params());
 301 }
 302
 303
 304 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 305 {
 306         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 307
 308         // FIXME: We use the update flag to indicates wether a singlePar or a
 309         // full screen update is needed. We reset it here but shall we restore it
 310         // at the end?
 311         cur.noUpdate();
 312
 313         BOOST_ASSERT(cur.text() == this);
 314         BufferView * bv = &cur.bv();
 315         CursorSlice oldTopSlice = cur.top();
 316         bool oldBoundary = cur.boundary();
 317         bool sel = cur.selection();
 318         // Signals that, even if needsUpdate == false, an update of the
 319         // cursor paragraph is required
 320         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 321                 LyXAction::SingleParUpdate);
 322         // Signals that a full-screen update is required
 323         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 324                 LyXAction::NoUpdate) || singleParUpdate);
 325         // Remember the old paragraph metric (_outer_ paragraph!)
 326         Dimension olddim = cur.bottom().paragraph().dim();
 327
 328         switch (cmd.action) {
 329
 330         case LFUN_PARAGRAPH_MOVE_DOWN: {
 331                 pit_type const pit = cur.pit();
 332                 recUndo(cur, pit, pit + 1);
 333                 finishUndo();
 334                 std::swap(pars_[pit], pars_[pit + 1]);
 335
 336                 ParIterator begin(cur);
 337                 ++cur.pit();
 338                 ParIterator end = boost::next(ParIterator(cur));
 339                 updateLabels(cur.buffer(), begin, end);
 340
 341                 needsUpdate = true;
 342                 break;
 343         }
 344
 345         case LFUN_PARAGRAPH_MOVE_UP: {
 346                 pit_type const pit = cur.pit();
 347                 recUndo(cur, pit - 1, pit);
 348                 finishUndo();
 349                 std::swap(pars_[pit], pars_[pit - 1]);
 350
 351                 ParIterator end = boost::next(ParIterator(cur));
 352                 --cur.pit();
 353                 ParIterator begin(cur);
 354                 updateLabels(cur.buffer(), begin, end);
 355
 356                 needsUpdate = true;
 357                 break;
 358         }
 359
 360         case LFUN_APPENDIX: {
 361                 Paragraph & par = cur.paragraph();
 362                 bool start = !par.params().startOfAppendix();
 363
 364 #ifdef WITH_WARNINGS
 365 #warning The code below only makes sense at top level.
 366 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 367 #endif
 368                 // ensure that we have only one start_of_appendix in this document
 369                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 370                         if (pars_[tmp].params().startOfAppendix()) {
 371                                 recUndo(cur, tmp);
 372                                 pars_[tmp].params().startOfAppendix(false);
 373                                 break;
 374                         }
 375                 }
 376
 377                 recordUndo(cur);
 378                 par.params().startOfAppendix(start);
 379
 380                 // we can set the refreshing parameters now
 381                 updateLabels(cur.buffer());
 382                 break;
 383         }
 384
 385         case LFUN_WORD_DELETE_FORWARD:
 386                 cur.clearSelection();
 387                 deleteWordForward(cur);
 388                 finishChange(cur, false);
 389                 break;
 390
 391         case LFUN_WORD_DELETE_BACKWARD:
 392                 cur.clearSelection();
 393                 deleteWordBackward(cur);
 394                 finishChange(cur, false);
 395                 break;
 396
 397         case LFUN_LINE_DELETE:
 398                 cur.clearSelection();
 399                 deleteLineForward(cur);
 400                 finishChange(cur, false);
 401                 break;
 402
 403         case LFUN_BUFFER_BEGIN:
 404         case LFUN_BUFFER_BEGIN_SELECT:
 405                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 406                 if (cur.depth() == 1) {
 407                         needsUpdate |= cursorTop(cur);
 408                 } else {
 409                         cur.undispatched();
 410                 }
 411                 break;
 412
 413         case LFUN_BUFFER_END:
 414         case LFUN_BUFFER_END_SELECT:
 415                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 416                 if (cur.depth() == 1) {
 417                         needsUpdate |= cursorBottom(cur);
 418                 } else {
 419                         cur.undispatched();
 420                 }
 421                 break;
 422
 423         case LFUN_CHAR_FORWARD:
 424         case LFUN_CHAR_FORWARD_SELECT:
 425                 //lyxerr << BOOST_CURRENT_FUNCTION
 426                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 427                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 428                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 429                         needsUpdate |= cursorLeft(cur);
 430                 else
 431                         needsUpdate |= cursorRight(cur);
 432
 433                 if (!needsUpdate && oldTopSlice == cur.top()
 434                                 && cur.boundary() == oldBoundary) {
 435                         cur.undispatched();
 436                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 437                 }
 438                 break;
 439
 440         case LFUN_CHAR_BACKWARD:
 441         case LFUN_CHAR_BACKWARD_SELECT:
 442                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 443                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 444                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 445                         needsUpdate |= cursorRight(cur);
 446                 else
 447                         needsUpdate |= cursorLeft(cur);
 448
 449                 if (!needsUpdate && oldTopSlice == cur.top()
 450                         && cur.boundary() == oldBoundary) {
 451                         cur.undispatched();
 452                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 453                 }
 454                 break;
 455
 456         case LFUN_UP:
 457         case LFUN_UP_SELECT:
 458                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 459                 needsUpdate |= cur.selHandle(cmd.action == LFUN_UP_SELECT);
 460
 461                 needsUpdate |= cursorUp(cur);
 462
 463                 if (!needsUpdate && oldTopSlice == cur.top()
 464                           && cur.boundary() == oldBoundary) {
 465                         cur.undispatched();
 466                         cmd = FuncRequest(LFUN_FINISHED_UP);
 467                 }
 468                 break;
 469
 470         case LFUN_DOWN:
 471         case LFUN_DOWN_SELECT:
 472                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 473                 needsUpdate |= cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 474                 needsUpdate |= cursorDown(cur);
 475
 476                 if (!needsUpdate && oldTopSlice == cur.top() &&
 477                     cur.boundary() == oldBoundary)
 478                 {
 479                         cur.undispatched();
 480                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 481                 }
 482                 break;
 483
 484         case LFUN_PARAGRAPH_UP:
 485         case LFUN_PARAGRAPH_UP_SELECT:
 486                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 487                 needsUpdate |= cursorUpParagraph(cur);
 488                 break;
 489
 490         case LFUN_PARAGRAPH_DOWN:
 491         case LFUN_PARAGRAPH_DOWN_SELECT:
 492                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 493                 needsUpdate |= cursorDownParagraph(cur);
 494                 break;
 495
 496         case LFUN_SCREEN_UP:
 497         case LFUN_SCREEN_UP_SELECT:
 498                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 499                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 500                         cur.undispatched();
 501                         cmd = FuncRequest(LFUN_FINISHED_UP);
 502                 } else {
 503                         needsUpdate |= cursorPrevious(cur);
 504                 }
 505                 break;
 506
 507         case LFUN_SCREEN_DOWN:
 508         case LFUN_SCREEN_DOWN_SELECT:
 509                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 510                 if (cur.pit() == cur.lastpit()
 511                           && cur.textRow().endpos() == cur.lastpos()) {
 512                         cur.undispatched();
 513                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 514                 } else {
 515                         needsUpdate |= cursorNext(cur);
 516                 }
 517                 break;
 518
 519         case LFUN_LINE_BEGIN:
 520         case LFUN_LINE_BEGIN_SELECT:
 521                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 522                 needsUpdate |= cursorHome(cur);
 523                 break;
 524
 525         case LFUN_LINE_END:
 526         case LFUN_LINE_END_SELECT:
 527                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 528                 needsUpdate |= cursorEnd(cur);
 529                 break;
 530
 531         case LFUN_WORD_FORWARD:
 532         case LFUN_WORD_FORWARD_SELECT:
 533                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 534                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 535                         needsUpdate |= cursorLeftOneWord(cur);
 536                 else
 537                         needsUpdate |= cursorRightOneWord(cur);
 538                 break;
 539
 540         case LFUN_WORD_BACKWARD:
 541         case LFUN_WORD_BACKWARD_SELECT:
 542                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 543                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 544                         needsUpdate |= cursorRightOneWord(cur);
 545                 else
 546                         needsUpdate |= cursorLeftOneWord(cur);
 547                 break;
 548
 549         case LFUN_WORD_SELECT: {
 550                 selectWord(cur, WHOLE_WORD);
 551                 finishChange(cur, true);
 552                 break;
 553         }
 554
 555         case LFUN_BREAK_LINE: {
 556                 // Not allowed by LaTeX (labels or empty par)
 557                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 558                         cap::replaceSelection(cur);
 559                         cur.insert(new InsetNewline);
 560                         cur.posRight();
 561                         moveCursor(cur, false);
 562                 }
 563                 break;
 564         }
 565
 566         case LFUN_CHAR_DELETE_FORWARD:
 567                 if (!cur.selection()) {
 568                         if (cur.pos() == cur.paragraph().size())
 569                                 // Par boundary, force full-screen update
 570                                 singleParUpdate = false;
 571                         needsUpdate |= erase(cur);
 572                         cur.resetAnchor();
 573                         // It is possible to make it a lot faster still
 574                         // just comment out the line below...
 575                 } else {
 576                         cutSelection(cur, true, false);
 577                         singleParUpdate = false;
 578                 }
 579                 moveCursor(cur, false);
 580                 break;
 581
 582         case LFUN_DELETE_FORWARD_SKIP:
 583                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 584                 if (!cur.selection()) {
 585                         if (cur.pos() == cur.lastpos()) {
 586                                 cursorRight(cur);
 587                                 cursorLeft(cur);
 588                         }
 589                         erase(cur);
 590                         cur.resetAnchor();
 591                 } else {
 592                         cutSelection(cur, true, false);
 593                 }
 594                 break;
 595
 596
 597         case LFUN_CHAR_DELETE_BACKWARD:
 598                 if (!cur.selection()) {
 599                         if (bv->getIntl().getTransManager().backspace()) {
 600                                 // Par boundary, full-screen update
 601                                 if (cur.pos() == 0)
 602                                         singleParUpdate = false;
 603                                 needsUpdate |= backspace(cur);
 604                                 cur.resetAnchor();
 605                                 // It is possible to make it a lot faster still
 606                                 // just comment out the line below...
 607                         }
 608                 } else {
 609                         cutSelection(cur, true, false);
 610                         singleParUpdate = false;
 611                 }
 612                 bv->switchKeyMap();
 613                 break;
 614
 615         case LFUN_DELETE_BACKWARD_SKIP:
 616                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 617                 if (!cur.selection()) {
 618 #ifdef WITH_WARNINGS
 619 #warning look here
 620 #endif
 621                         //CursorSlice cur = cursor();
 622                         backspace(cur);
 623                         //anchor() = cur;
 624                 } else {
 625                         cutSelection(cur, true, false);
 626                 }
 627                 break;
 628
 629         case LFUN_BREAK_PARAGRAPH:
 630                 cap::replaceSelection(cur);
 631                 breakParagraph(cur, 0);
 632                 cur.resetAnchor();
 633                 bv->switchKeyMap();
 634                 break;
 635
 636         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 637                 cap::replaceSelection(cur);
 638                 breakParagraph(cur, 1);
 639                 cur.resetAnchor();
 640                 bv->switchKeyMap();
 641                 break;
 642
 643         case LFUN_BREAK_PARAGRAPH_SKIP: {
 644                 // When at the beginning of a paragraph, remove
 645                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 646                 cap::replaceSelection(cur);
 647                 if (cur.pos() == 0)
 648                         cur.paragraph().params().labelWidthString(docstring());
 649                 else
 650                         breakParagraph(cur, 0);
 651                 cur.resetAnchor();
 652                 bv->switchKeyMap();
 653                 break;
 654         }
 655
 656         case LFUN_PARAGRAPH_SPACING: {
 657                 Paragraph & par = cur.paragraph();
 658                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 659                 string cur_value = "1.0";
 660                 if (cur_spacing == Spacing::Other)
 661                         cur_value = par.params().spacing().getValueAsString();
 662
 663                 istringstream is(to_utf8(cmd.argument()));
 664                 string tmp;
 665                 is >> tmp;
 666                 Spacing::Space new_spacing = cur_spacing;
 667                 string new_value = cur_value;
 668                 if (tmp.empty()) {
 669                         lyxerr << "Missing argument to `paragraph-spacing'"
 670                                << endl;
 671                 } else if (tmp == "single") {
 672                         new_spacing = Spacing::Single;
 673                 } else if (tmp == "onehalf") {
 674                         new_spacing = Spacing::Onehalf;
 675                 } else if (tmp == "double") {
 676                         new_spacing = Spacing::Double;
 677                 } else if (tmp == "other") {
 678                         new_spacing = Spacing::Other;
 679                         string tmpval = "0.0";
 680                         is >> tmpval;
 681                         lyxerr << "new_value = " << tmpval << endl;
 682                         if (tmpval != "0.0")
 683                                 new_value = tmpval;
 684                 } else if (tmp == "default") {
 685                         new_spacing = Spacing::Default;
 686                 } else {
 687                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 688                                << to_utf8(cmd.argument()) << endl;
 689                 }
 690                 if (cur_spacing != new_spacing || cur_value != new_value)
 691                         par.params().spacing(Spacing(new_spacing, new_value));
 692                 break;
 693         }
 694
 695         case LFUN_INSET_INSERT: {
 696                 recordUndo(cur);
 697                 InsetBase * inset = createInset(bv, cmd);
 698                 if (inset) {
 699                         insertInset(cur, inset);
 700                         cur.posRight();
 701                 }
 702                 break;
 703         }
 704
 705         case LFUN_INSET_DISSOLVE:
 706                 needsUpdate |= dissolveInset(cur);
 707                 break;
 708
 709         case LFUN_INSET_SETTINGS:
 710                 cur.inset().showInsetDialog(bv);
 711                 break;
 712
 713         case LFUN_SPACE_INSERT:
 714                 if (cur.paragraph().layout()->free_spacing)
 715                         insertChar(cur, ' ');
 716                 else {
 717                         doInsertInset(cur, this, cmd, false, false);
 718                         cur.posRight();
 719                 }
 720                 moveCursor(cur, false);
 721                 break;
 722
 723         case LFUN_HYPHENATION_POINT_INSERT:
 724                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 725                 break;
 726
 727         case LFUN_LIGATURE_BREAK_INSERT:
 728                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 729                 break;
 730
 731         case LFUN_DOTS_INSERT:
 732                 specialChar(cur, InsetSpecialChar::LDOTS);
 733                 break;
 734
 735         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 736                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 737                 break;
 738
 739         case LFUN_MENU_SEPARATOR_INSERT:
 740                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 741                 break;
 742
 743         case LFUN_WORD_UPCASE:
 744                 changeCase(cur, LyXText::text_uppercase);
 745                 break;
 746
 747         case LFUN_WORD_LOWCASE:
 748                 changeCase(cur, LyXText::text_lowercase);
 749                 break;
 750
 751         case LFUN_WORD_CAPITALIZE:
 752                 changeCase(cur, LyXText::text_capitalization);
 753                 break;
 754
 755         case LFUN_CHARS_TRANSPOSE:
 756                 charsTranspose(cur);
 757                 break;
 758
 759         case LFUN_PASTE:
 760                 cur.message(_("Paste"));
 761                 cap::replaceSelection(cur);
 762                 if (isStrUnsignedInt(to_utf8(cmd.argument())))
 763                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 764                         convert<unsigned int>(to_utf8(cmd.argument())));
 765                 else
 766                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 767                         0);
 768                 bv->buffer()->errors("Paste");
 769                 cur.clearSelection(); // bug 393
 770                 bv->switchKeyMap();
 771                 finishUndo();
 772                 break;
 773
 774         case LFUN_CUT:
 775                 cutSelection(cur, true, true);
 776                 cur.message(_("Cut"));
 777                 break;
 778
 779         case LFUN_COPY:
 780                 copySelection(cur);
 781                 cur.message(_("Copy"));
 782                 break;
 783
 784         case LFUN_SERVER_GET_XY:
 785                 cur.message(from_utf8(
 786                         convert<string>(cursorX(cur.buffer(), cur.top(), cur.boundary()))
 787                         + ' ' + convert<string>(cursorY(cur.top(), cur.boundary()))));
 788                 break;
 789
 790         case LFUN_SERVER_SET_XY: {
 791                 int x = 0;
 792                 int y = 0;
 793                 istringstream is(to_utf8(cmd.argument()));
 794                 is >> x >> y;
 795                 if (!is)
 796                         lyxerr << "SETXY: Could not parse coordinates in '"
 797                                << to_utf8(cmd.argument()) << std::endl;
 798                 else
 799                         setCursorFromCoordinates(cur, x, y);
 800                 break;
 801         }
 802
 803         case LFUN_SERVER_GET_FONT:
 804                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 805                         cur.message(from_ascii("E"));
 806                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 807                         cur.message(from_ascii("N"));
 808                 else
 809                         cur.message(from_ascii("0"));
 810                 break;
 811
 812         case LFUN_SERVER_GET_LAYOUT:
 813                 cur.message(from_utf8(cur.paragraph().layout()->name()));
 814                 break;
 815
 816         case LFUN_LAYOUT: {
 817                 string layout = to_ascii(cmd.argument());
 818                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) " << layout << endl;
 819
 820                 // Derive layout number from given argument (string)
 821                 // and current buffer's textclass (number)
 822                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 823                 if (layout.empty())
 824                         layout = tclass.defaultLayoutName();
 825                 bool hasLayout = tclass.hasLayout(layout);
 826
 827                 // If the entry is obsolete, use the new one instead.
 828                 if (hasLayout) {
 829                         string const & obs = tclass[layout]->obsoleted_by();
 830                         if (!obs.empty())
 831                                 layout = obs;
 832                 }
 833
 834                 if (!hasLayout) {
 835                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 836                                 from_utf8(N_(" not known")));
 837                         break;
 838                 }
 839
 840                 bool change_layout = (current_layout != layout);
 841
 842                 if (!change_layout && cur.selection() &&
 843                         cur.selBegin().pit() != cur.selEnd().pit())
 844                 {
 845                         pit_type spit = cur.selBegin().pit();
 846                         pit_type epit = cur.selEnd().pit() + 1;
 847                         while (spit != epit) {
 848                                 if (pars_[spit].layout()->name() != current_layout) {
 849                                         change_layout = true;
 850                                         break;
 851                                 }
 852                                 ++spit;
 853                         }
 854                 }
 855
 856                 if (change_layout) {
 857                         current_layout = layout;
 858                         setLayout(cur, layout);
 859                         // inform the GUI that the layout has changed.
 860                         bv->layoutChanged(layout);
 861                         bv->switchKeyMap();
 862                 }
 863                 break;
 864         }
 865
 866         case LFUN_CLIPBOARD_PASTE: {
 867                 cur.clearSelection();
 868                 docstring const clip = theClipboard().get();
 869                 if (!clip.empty()) {
 870                         recordUndo(cur);
 871                         if (cmd.argument() == "paragraph")
 872                                 insertStringAsParagraphs(cur, clip);
 873                         else
 874                                 insertStringAsLines(cur, clip);
 875                 }
 876                 break;
 877         }
 878
 879         case LFUN_PRIMARY_SELECTION_PASTE: {
 880                 cur.clearSelection();
 881                 docstring const clip = theSelection().get();
 882                 if (!clip.empty()) {
 883                         recordUndo(cur);
 884                         if (cmd.argument() == "paragraph")
 885                                 insertStringAsParagraphs(cur, clip);
 886                         else
 887                                 insertStringAsLines(cur, clip);
 888                 }
 889                 break;
 890         }
 891
 892         case LFUN_UNICODE_INSERT: {
 893                 if (cmd.argument().empty())
 894                         break;
 895                 docstring hexstring = cmd.argument();
 896                 if (lyx::support::isHex(hexstring)) {
 897                         char_type c = lyx::support::hexToInt(hexstring);
 898                         if (c > 32 && c < 0x10ffff) {
 899                                 lyxerr << "Inserting c: " << c << endl;
 900                                 docstring s = docstring(1, c);
 901                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 902                         }
 903                 }
 904                 break;
 905         }
 906
 907         case LFUN_QUOTE_INSERT: {
 908                 cap::replaceSelection(cur);
 909                 Paragraph & par = cur.paragraph();
 910                 pos_type pos = cur.pos();
 911                 char_type c;
 912                 if (pos == 0)
 913                         c = ' ';
 914                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 915                         c = ' ';
 916                 else
 917                         c = par.getChar(pos - 1);
 918
 919                 LyXLayout_ptr const & style = par.layout();
 920
 921                 BufferParams const & bufparams = bv->buffer()->params();
 922                 if (!style->pass_thru
 923                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 924                         string arg = to_utf8(cmd.argument());
 925                         if (arg == "single")
 926                                 cur.insert(new InsetQuotes(c,
 927                                     bufparams.quotes_language,
 928                                     InsetQuotes::SingleQ));
 929                         else
 930                                 cur.insert(new InsetQuotes(c,
 931                                     bufparams.quotes_language,
 932                                     InsetQuotes::DoubleQ));
 933                         cur.posRight();
 934                 }
 935                 else
 936                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 937                 break;
 938         }
 939
 940         case LFUN_DATE_INSERT:
 941                 if (cmd.argument().empty())
 942                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 943                                 formatted_time(current_time())));
 944                 else
 945                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 946                                 formatted_time(current_time(), to_utf8(cmd.argument()))));
 947                 break;
 948
 949         case LFUN_MOUSE_TRIPLE:
 950                 if (cmd.button() == mouse_button::button1) {
 951                         cursorHome(cur);
 952                         cur.resetAnchor();
 953                         cursorEnd(cur);
 954                         cur.setSelection();
 955                         bv->cursor() = cur;
 956                         theSelection().haveSelection(cur.selection());
 957                 }
 958                 break;
 959
 960         case LFUN_MOUSE_DOUBLE:
 961                 if (cmd.button() == mouse_button::button1) {
 962                         selectWord(cur, WHOLE_WORD_STRICT);
 963                         bv->cursor() = cur;
 964                         theSelection().haveSelection(cur.selection());
 965                 }
 966                 break;
 967
 968         // Single-click on work area
 969         case LFUN_MOUSE_PRESS: {
 970                 // Right click on a footnote flag opens float menu
 971                 if (cmd.button() == mouse_button::button3)
 972                         cur.clearSelection();
 973
 974                 // Middle button press pastes if we have a selection
 975                 // We do this here as if the selection was inside an inset
 976                 // it could get cleared on the unlocking of the inset so
 977                 // we have to check this first
 978                 bool paste_internally = false;
 979                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
 980                         lyx::dispatch(FuncRequest(LFUN_COPY));
 981                         paste_internally = true;
 982                 }
 983
 984                 bv->mouseSetCursor(cur);
 985
 986                 // Insert primary selection with middle mouse
 987                 // if there is a local selection in the current buffer,
 988                 // insert this
 989                 if (cmd.button() == mouse_button::button2) {
 990                         if (paste_internally)
 991                                 lyx::dispatch(FuncRequest(LFUN_PASTE));
 992                         else
 993                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 994                 }
 995
 996                 if (cmd.button() == mouse_button::button1) {
 997                         needsUpdate = false;
 998                         cur.noUpdate();
 999                 }
1000
1001                 break;
1002         }
1003
1004         case LFUN_MOUSE_MOTION: {
1005                 // Only use motion with button 1
1006                 //if (cmd.button() != mouse_button::button1)
1007                 //      return false;
1008
1009                 // ignore motions deeper nested than the real anchor
1010                 LCursor & bvcur = cur.bv().cursor();
1011                 if (bvcur.anchor_.hasPart(cur)) {
1012                         CursorSlice old = bvcur.top();
1013
1014                         int const wh = bv->workHeight();
1015                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1016
1017                         setCursorFromCoordinates(cur, cmd.x, y);
1018                         cur.x_target() = cmd.x;
1019                         if (cmd.y >= wh)
1020                                 cursorDown(cur);
1021                         else if (cmd.y < 0)
1022                                 cursorUp(cur);
1023                         // This is to allow jumping over large insets
1024                         if (cur.top() == old) {
1025                                 if (cmd.y >= wh)
1026                                         cursorDown(cur);
1027                                 else if (cmd.y < 0)
1028                                         cursorUp(cur);
1029                         }
1030
1031                         if (cur.top() == old)
1032                                 cur.noUpdate();
1033                         else {
1034                                 // don't set anchor_
1035                                 bvcur.setCursor(cur);
1036                                 bvcur.selection() = true;
1037                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1038                         }
1039
1040                 } else
1041                         cur.undispatched();
1042                 break;
1043         }
1044
1045         case LFUN_MOUSE_RELEASE: {
1046                 if (cmd.button() == mouse_button::button2)
1047                         break;
1048
1049                 // finish selection
1050                 if (cmd.button() == mouse_button::button1) {
1051                         if (cur.selection())
1052                                 theSelection().haveSelection(cur.selection());
1053                         needsUpdate = false;
1054                         cur.noUpdate();
1055                 }
1056
1057                 bv->switchKeyMap();
1058                 break;
1059         }
1060
1061         case LFUN_SELF_INSERT: {
1062                 if (cmd.argument().empty())
1063                         break;
1064
1065                 // Automatically delete the currently selected
1066                 // text and replace it with what is being
1067                 // typed in now. Depends on lyxrc settings
1068                 // "auto_region_delete", which defaults to
1069                 // true (on).
1070
1071                 if (lyxrc.auto_region_delete) {
1072                         if (cur.selection())
1073                                 cutSelection(cur, false, false);
1074                         theSelection().haveSelection(false);
1075                 }
1076
1077                 cur.clearSelection();
1078                 LyXFont const old_font = real_current_font;
1079
1080                 docstring::const_iterator cit = cmd.argument().begin();
1081                 docstring::const_iterator end = cmd.argument().end();
1082                 for (; cit != end; ++cit)
1083 #if 0
1084                         bv->getIntl().getTransManager().
1085                                 translateAndInsert(*cit, this);
1086 #else
1087                         insertChar(bv->cursor(), *cit);
1088 #endif
1089
1090                 cur.resetAnchor();
1091                 moveCursor(cur, false);
1092                 break;
1093         }
1094
1095         case LFUN_URL_INSERT: {
1096                 InsetCommandParams p("url");
1097                 string const data = InsetCommandMailer::params2string("url", p);
1098                 bv->showInsetDialog("url", data, 0);
1099                 break;
1100         }
1101
1102         case LFUN_HTML_INSERT: {
1103                 InsetCommandParams p("htmlurl");
1104                 string const data = InsetCommandMailer::params2string("url", p);
1105                 bv->showInsetDialog("url", data, 0);
1106                 break;
1107         }
1108
1109         case LFUN_LABEL_INSERT: {
1110                 InsetCommandParams p("label");
1111                 // Try to generate a valid label
1112                 p["name"] = (cmd.argument().empty()) ?
1113                         cur.getPossibleLabel() :
1114                         cmd.argument();
1115                 string const data = InsetCommandMailer::params2string("label", p);
1116
1117                 if (cmd.argument().empty()) {
1118                         bv->showInsetDialog("label", data, 0);
1119                 } else {
1120                         FuncRequest fr(LFUN_INSET_INSERT, data);
1121                         dispatch(cur, fr);
1122                 }
1123                 break;
1124         }
1125
1126
1127 #if 0
1128         case LFUN_LIST_INSERT:
1129         case LFUN_THEOREM_INSERT:
1130         case LFUN_CAPTION_INSERT:
1131 #endif
1132         case LFUN_NOTE_INSERT:
1133         case LFUN_CHARSTYLE_INSERT:
1134         case LFUN_BOX_INSERT:
1135         case LFUN_BRANCH_INSERT:
1136         case LFUN_BIBITEM_INSERT:
1137         case LFUN_ERT_INSERT:
1138         case LFUN_FOOTNOTE_INSERT:
1139         case LFUN_MARGINALNOTE_INSERT:
1140         case LFUN_OPTIONAL_INSERT:
1141         case LFUN_ENVIRONMENT_INSERT:
1142                 // Open the inset, and move the current selection
1143                 // inside it.
1144                 doInsertInset(cur, this, cmd, true, true);
1145                 cur.posRight();
1146                 break;
1147
1148         case LFUN_TABULAR_INSERT:
1149                 // if there were no arguments, just open the dialog
1150                 if (doInsertInset(cur, this, cmd, false, true))
1151                         cur.posRight();
1152                 else
1153                         bv->showDialog("tabularcreate");
1154
1155                 break;
1156
1157         case LFUN_FLOAT_INSERT:
1158         case LFUN_FLOAT_WIDE_INSERT:
1159         case LFUN_WRAP_INSERT:
1160                 doInsertInset(cur, this, cmd, true, true);
1161                 cur.posRight();
1162                 // FIXME: the "Caption" name should not be hardcoded,
1163                 // but given by the float definition.
1164                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1165                 break;
1166
1167         case LFUN_INDEX_INSERT:
1168         case LFUN_NOMENCL_INSERT: {
1169                 InsetBase * inset = createInset(&cur.bv(), cmd);
1170                 if (!inset)
1171                         break;
1172
1173                 recordUndo(cur);
1174                 cur.clearSelection();
1175                 insertInset(cur, inset);
1176                 inset->edit(cur, true);
1177                 // Show the dialog for the nomenclature entry, since the
1178                 // description entry still needs to be filled in.
1179                 if (cmd.action == LFUN_NOMENCL_INSERT)
1180                         InsetCommandMailer("nomenclature",
1181                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1182                 cur.posRight();
1183                 break;
1184         }
1185
1186         case LFUN_INDEX_PRINT:
1187         case LFUN_NOMENCL_PRINT:
1188         case LFUN_TOC_INSERT:
1189         case LFUN_HFILL_INSERT:
1190         case LFUN_LINE_INSERT:
1191         case LFUN_PAGEBREAK_INSERT:
1192                 // do nothing fancy
1193                 doInsertInset(cur, this, cmd, false, false);
1194                 cur.posRight();
1195                 break;
1196
1197         case LFUN_DEPTH_DECREMENT:
1198                 changeDepth(cur, DEC_DEPTH);
1199                 break;
1200
1201         case LFUN_DEPTH_INCREMENT:
1202                 changeDepth(cur, INC_DEPTH);
1203                 break;
1204
1205         case LFUN_MATH_DISPLAY:
1206                 mathDispatch(cur, cmd, true);
1207                 break;
1208
1209         case LFUN_MATH_IMPORT_SELECTION:
1210         case LFUN_MATH_MODE:
1211                 if (cmd.argument() == "on")
1212                         // don't pass "on" as argument
1213                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1214                 else
1215                         mathDispatch(cur, cmd, false);
1216                 break;
1217
1218         case LFUN_MATH_MACRO:
1219                 if (cmd.argument().empty())
1220                         cur.errorMessage(from_utf8(N_("Missing argument")));
1221                 else {
1222                         string s = to_utf8(cmd.argument());
1223                         string const s1 = token(s, ' ', 1);
1224                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1225                         string const s2 = token(s, ' ', 2);
1226                         string const type = s2.empty() ? "newcommand" : s2;
1227                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1228                         //cur.nextInset()->edit(cur, true);
1229                 }
1230                 break;
1231
1232         // passthrough hat and underscore outside mathed:
1233         case LFUN_MATH_SUBSCRIPT:
1234                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1235                 break;
1236         case LFUN_MATH_SUPERSCRIPT:
1237                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1238                 break;
1239
1240         case LFUN_MATH_INSERT:
1241         case LFUN_MATH_MATRIX:
1242         case LFUN_MATH_DELIM:
1243         case LFUN_MATH_BIGDELIM: {
1244                 cur.insert(new InsetMathHull(hullSimple));
1245                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1246                 cur.dispatch(cmd);
1247                 break;
1248         }
1249
1250         case LFUN_FONT_EMPH: {
1251                 LyXFont font(LyXFont::ALL_IGNORE);
1252                 font.setEmph(LyXFont::TOGGLE);
1253                 toggleAndShow(cur, this, font);
1254                 break;
1255         }
1256
1257         case LFUN_FONT_BOLD: {
1258                 LyXFont font(LyXFont::ALL_IGNORE);
1259                 font.setSeries(LyXFont::BOLD_SERIES);
1260                 toggleAndShow(cur, this, font);
1261                 break;
1262         }
1263
1264         case LFUN_FONT_NOUN: {
1265                 LyXFont font(LyXFont::ALL_IGNORE);
1266                 font.setNoun(LyXFont::TOGGLE);
1267                 toggleAndShow(cur, this, font);
1268                 break;
1269         }
1270
1271         case LFUN_FONT_CODE: {
1272                 LyXFont font(LyXFont::ALL_IGNORE);
1273                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1274                 toggleAndShow(cur, this, font);
1275                 break;
1276         }
1277
1278         case LFUN_FONT_SANS: {
1279                 LyXFont font(LyXFont::ALL_IGNORE);
1280                 font.setFamily(LyXFont::SANS_FAMILY);
1281                 toggleAndShow(cur, this, font);
1282                 break;
1283         }
1284
1285         case LFUN_FONT_ROMAN: {
1286                 LyXFont font(LyXFont::ALL_IGNORE);
1287                 font.setFamily(LyXFont::ROMAN_FAMILY);
1288                 toggleAndShow(cur, this, font);
1289                 break;
1290         }
1291
1292         case LFUN_FONT_DEFAULT: {
1293                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1294                 toggleAndShow(cur, this, font);
1295                 break;
1296         }
1297
1298         case LFUN_FONT_UNDERLINE: {
1299                 LyXFont font(LyXFont::ALL_IGNORE);
1300                 font.setUnderbar(LyXFont::TOGGLE);
1301                 toggleAndShow(cur, this, font);
1302                 break;
1303         }
1304
1305         case LFUN_FONT_SIZE: {
1306                 LyXFont font(LyXFont::ALL_IGNORE);
1307                 font.setLyXSize(to_utf8(cmd.argument()));
1308                 toggleAndShow(cur, this, font);
1309                 break;
1310         }
1311
1312         case LFUN_LANGUAGE: {
1313                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1314                 if (!lang)
1315                         break;
1316                 LyXFont font(LyXFont::ALL_IGNORE);
1317                 font.setLanguage(lang);
1318                 toggleAndShow(cur, this, font);
1319                 bv->switchKeyMap();
1320                 break;
1321         }
1322
1323         case LFUN_FONT_FREE_APPLY:
1324                 toggleAndShow(cur, this, freefont, toggleall);
1325                 cur.message(_("Character set"));
1326                 break;
1327
1328         // Set the freefont using the contents of \param data dispatched from
1329         // the frontends and apply it at the current cursor location.
1330         case LFUN_FONT_FREE_UPDATE: {
1331                 LyXFont font;
1332                 bool toggle;
1333                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1334                         freefont = font;
1335                         toggleall = toggle;
1336                         toggleAndShow(cur, this, freefont, toggleall);
1337                         cur.message(_("Character set"));
1338                 }
1339                 break;
1340         }
1341
1342         case LFUN_FINISHED_LEFT:
1343                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1344                 break;
1345
1346         case LFUN_FINISHED_RIGHT:
1347                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1348                 ++cur.pos();
1349                 break;
1350
1351         case LFUN_FINISHED_UP:
1352                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1353                 cursorUp(cur);
1354                 break;
1355
1356         case LFUN_FINISHED_DOWN:
1357                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1358                 cursorDown(cur);
1359                 break;
1360
1361         case LFUN_LAYOUT_PARAGRAPH: {
1362                 string data;
1363                 params2string(cur.paragraph(), data);
1364                 data = "show\n" + data;
1365                 bv->showDialogWithData("paragraph", data);
1366                 break;
1367         }
1368
1369         case LFUN_PARAGRAPH_UPDATE: {
1370                 string data;
1371                 params2string(cur.paragraph(), data);
1372
1373                 // Will the paragraph accept changes from the dialog?
1374                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1375
1376                 data = "update " + convert<string>(accept) + '\n' + data;
1377                 bv->updateDialog("paragraph", data);
1378                 break;
1379         }
1380
1381         case LFUN_ACCENT_UMLAUT:
1382         case LFUN_ACCENT_CIRCUMFLEX:
1383         case LFUN_ACCENT_GRAVE:
1384         case LFUN_ACCENT_ACUTE:
1385         case LFUN_ACCENT_TILDE:
1386         case LFUN_ACCENT_CEDILLA:
1387         case LFUN_ACCENT_MACRON:
1388         case LFUN_ACCENT_DOT:
1389         case LFUN_ACCENT_UNDERDOT:
1390         case LFUN_ACCENT_UNDERBAR:
1391         case LFUN_ACCENT_CARON:
1392         case LFUN_ACCENT_SPECIAL_CARON:
1393         case LFUN_ACCENT_BREVE:
1394         case LFUN_ACCENT_TIE:
1395         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1396         case LFUN_ACCENT_CIRCLE:
1397         case LFUN_ACCENT_OGONEK:
1398                 theLyXFunc().handleKeyFunc(cmd.action);
1399                 if (!cmd.argument().empty())
1400                         // FIXME: Are all these characters encoded in one byte in utf8?
1401                         bv->getIntl().getTransManager()
1402                                 .translateAndInsert(cmd.argument()[0], this, cur);
1403                 break;
1404
1405         case LFUN_FLOAT_LIST: {
1406                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1407                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1408                         // not quite sure if we want this...
1409                         recordUndo(cur);
1410                         cur.clearSelection();
1411                         breakParagraph(cur);
1412
1413                         if (cur.lastpos() != 0) {
1414                                 cursorLeft(cur);
1415                                 breakParagraph(cur);
1416                         }
1417
1418                         setLayout(cur, tclass.defaultLayoutName());
1419                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, docstring(), 0);
1420                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1421                         cur.posRight();
1422                 } else {
1423                         lyxerr << "Non-existent float type: "
1424                                << to_utf8(cmd.argument()) << endl;
1425                 }
1426                 break;
1427         }
1428
1429         case LFUN_CHANGE_ACCEPT: {
1430                 acceptChange(cur);
1431                 break;
1432         }
1433
1434         case LFUN_CHANGE_REJECT: {
1435                 rejectChange(cur);
1436                 break;
1437         }
1438
1439         case LFUN_THESAURUS_ENTRY: {
1440                 docstring arg = cmd.argument();
1441                 if (arg.empty()) {
1442                         arg = cur.selectionAsString(false);
1443                         // FIXME
1444                         if (arg.size() > 100 || arg.empty()) {
1445                                 // Get word or selection
1446                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1447                                 arg = cur.selectionAsString(false);
1448                         }
1449                 }
1450                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1451                 break;
1452         }
1453
1454         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1455                 // Given data, an encoding of the ParagraphParameters
1456                 // generated in the Paragraph dialog, this function sets
1457                 // the current paragraph appropriately.
1458                 istringstream is(to_utf8(cmd.argument()));
1459                 LyXLex lex(0, 0);
1460                 lex.setStream(is);
1461                 ParagraphParameters params;
1462                 params.read(lex);
1463                 setParagraph(cur,
1464                              params.spacing(),
1465                              params.align(),
1466                              params.labelWidthString(),
1467                              params.noindent());
1468                 cur.message(_("Paragraph layout set"));
1469                 break;
1470         }
1471
1472         case LFUN_ESCAPE:
1473                 if (cur.selection()) {
1474                         cur.selection() = false;
1475                 } else {
1476                         cur.undispatched();
1477                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1478                 }
1479                 break;
1480
1481         default:
1482                 lyxerr[Debug::ACTION]
1483                         << BOOST_CURRENT_FUNCTION
1484                         << ": Command " << cmd
1485                         << " not DISPATCHED by LyXText" << endl;
1486                 cur.undispatched();
1487                 break;
1488         }
1489
1490         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1491
1492         // FIXME: The cursor flag is reset two lines below
1493         // so we need to check here if some of the LFUN did touch that.
1494         // for now only LyXText::erase() and LyXText::backspace() do that.
1495         // The plan is to verify all the LFUNs and then to remove this
1496         // singleParUpdate boolean altogether.
1497         if (cur.result().update() & Update::Force) {
1498                 singleParUpdate = false;
1499                 needsUpdate = true;
1500         }
1501
1502         // FIXME: the following code should go in favor of fine grained
1503         // update flag treatment.
1504         if (singleParUpdate)
1505                 // Inserting characters does not change par height
1506                 if (cur.bottom().paragraph().dim().height()
1507                     == olddim.height()) {
1508                         // if so, update _only_ this paragraph
1509                         cur.updateFlags(Update::SinglePar |
1510                                 Update::FitCursor |
1511                                 Update::MultiParSel);
1512                         return;
1513                 } else
1514                         needsUpdate = true;
1515
1516         if (!needsUpdate
1517             && &oldTopSlice.inset() == &cur.inset()
1518             && oldTopSlice.idx() == cur.idx()
1519             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1520             && !cur.selection())
1521                 cur.noUpdate();
1522         else
1523                 cur.updateFlags(Update::Force | Update::FitCursor);
1524 }
1525
1526
1527 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1528                         FuncStatus & flag) const
1529 {
1530         BOOST_ASSERT(cur.text() == this);
1531
1532         LyXFont const & font = real_current_font;
1533         bool enable = true;
1534         InsetBase::Code code = InsetBase::NO_CODE;
1535
1536         switch (cmd.action) {
1537
1538         case LFUN_DEPTH_DECREMENT:
1539                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1540                 break;
1541
1542         case LFUN_DEPTH_INCREMENT:
1543                 enable = changeDepthAllowed(cur, INC_DEPTH);
1544                 break;
1545
1546         case LFUN_APPENDIX:
1547                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1548                 return true;
1549
1550         case LFUN_BIBITEM_INSERT:
1551                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1552                 break;
1553
1554         case LFUN_DIALOG_SHOW_NEW_INSET:
1555                 if (cmd.argument() == "bibitem")
1556                         code = InsetBase::BIBITEM_CODE;
1557                 else if (cmd.argument() == "bibtex")
1558                         code = InsetBase::BIBTEX_CODE;
1559                 else if (cmd.argument() == "box")
1560                         code = InsetBase::BOX_CODE;
1561                 else if (cmd.argument() == "branch")
1562                         code = InsetBase::BRANCH_CODE;
1563                 else if (cmd.argument() == "citation")
1564                         code = InsetBase::CITE_CODE;
1565                 else if (cmd.argument() == "ert")
1566                         code = InsetBase::ERT_CODE;
1567                 else if (cmd.argument() == "external")
1568                         code = InsetBase::EXTERNAL_CODE;
1569                 else if (cmd.argument() == "float")
1570                         code = InsetBase::FLOAT_CODE;
1571                 else if (cmd.argument() == "graphics")
1572                         code = InsetBase::GRAPHICS_CODE;
1573                 else if (cmd.argument() == "include")
1574                         code = InsetBase::INCLUDE_CODE;
1575                 else if (cmd.argument() == "index")
1576                         code = InsetBase::INDEX_CODE;
1577                 else if (cmd.argument() == "nomenclature")
1578                         code = InsetBase::NOMENCL_CODE;
1579                 else if (cmd.argument() == "label")
1580                         code = InsetBase::LABEL_CODE;
1581                 else if (cmd.argument() == "note")
1582                         code = InsetBase::NOTE_CODE;
1583                 else if (cmd.argument() == "ref")
1584                         code = InsetBase::REF_CODE;
1585                 else if (cmd.argument() == "toc")
1586                         code = InsetBase::TOC_CODE;
1587                 else if (cmd.argument() == "url")
1588                         code = InsetBase::URL_CODE;
1589                 else if (cmd.argument() == "vspace")
1590                         code = InsetBase::VSPACE_CODE;
1591                 else if (cmd.argument() == "wrap")
1592                         code = InsetBase::WRAP_CODE;
1593                 break;
1594
1595         case LFUN_ERT_INSERT:
1596                 code = InsetBase::ERT_CODE;
1597                 break;
1598         case LFUN_FOOTNOTE_INSERT:
1599                 code = InsetBase::FOOT_CODE;
1600                 break;
1601         case LFUN_TABULAR_INSERT:
1602                 code = InsetBase::TABULAR_CODE;
1603                 break;
1604         case LFUN_MARGINALNOTE_INSERT:
1605                 code = InsetBase::MARGIN_CODE;
1606                 break;
1607         case LFUN_FLOAT_INSERT:
1608         case LFUN_FLOAT_WIDE_INSERT:
1609                 code = InsetBase::FLOAT_CODE;
1610                 break;
1611         case LFUN_WRAP_INSERT:
1612                 code = InsetBase::WRAP_CODE;
1613                 break;
1614         case LFUN_FLOAT_LIST:
1615                 code = InsetBase::FLOAT_LIST_CODE;
1616                 break;
1617 #if 0
1618         case LFUN_LIST_INSERT:
1619                 code = InsetBase::LIST_CODE;
1620                 break;
1621         case LFUN_THEOREM_INSERT:
1622                 code = InsetBase::THEOREM_CODE;
1623                 break;
1624 #endif
1625         case LFUN_CAPTION_INSERT:
1626                 code = InsetBase::CAPTION_CODE;
1627                 break;
1628         case LFUN_NOTE_INSERT:
1629                 code = InsetBase::NOTE_CODE;
1630                 break;
1631         case LFUN_CHARSTYLE_INSERT:
1632                 code = InsetBase::CHARSTYLE_CODE;
1633                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1634                         enable = false;
1635                 break;
1636         case LFUN_BOX_INSERT:
1637                 code = InsetBase::BOX_CODE;
1638                 break;
1639         case LFUN_BRANCH_INSERT:
1640                 code = InsetBase::BRANCH_CODE;
1641                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1642                         enable = false;
1643                 break;
1644         case LFUN_LABEL_INSERT:
1645                 code = InsetBase::LABEL_CODE;
1646                 break;
1647         case LFUN_OPTIONAL_INSERT:
1648                 code = InsetBase::OPTARG_CODE;
1649                 enable = numberOfOptArgs(cur.paragraph())
1650                         < cur.paragraph().layout()->optionalargs;
1651                 break;
1652         case LFUN_ENVIRONMENT_INSERT:
1653                 code = InsetBase::BOX_CODE;
1654                 break;
1655         case LFUN_INDEX_INSERT:
1656                 code = InsetBase::INDEX_CODE;
1657                 break;
1658         case LFUN_INDEX_PRINT:
1659                 code = InsetBase::INDEX_PRINT_CODE;
1660                 break;
1661         case LFUN_NOMENCL_INSERT:
1662                 code = InsetBase::NOMENCL_CODE;
1663                 break;
1664         case LFUN_NOMENCL_PRINT:
1665                 code = InsetBase::NOMENCL_PRINT_CODE;
1666                 break;
1667         case LFUN_TOC_INSERT:
1668                 code = InsetBase::TOC_CODE;
1669                 break;
1670         case LFUN_HTML_INSERT:
1671         case LFUN_URL_INSERT:
1672                 code = InsetBase::URL_CODE;
1673                 break;
1674         case LFUN_QUOTE_INSERT:
1675                 // always allow this, since we will inset a raw quote
1676                 // if an inset is not allowed.
1677                 break;
1678         case LFUN_HYPHENATION_POINT_INSERT:
1679         case LFUN_LIGATURE_BREAK_INSERT:
1680         case LFUN_HFILL_INSERT:
1681         case LFUN_MENU_SEPARATOR_INSERT:
1682         case LFUN_DOTS_INSERT:
1683         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1684                 code = InsetBase::SPECIALCHAR_CODE;
1685                 break;
1686         case LFUN_SPACE_INSERT:
1687                 // slight hack: we know this is allowed in math mode
1688                 if (cur.inTexted())
1689                         code = InsetBase::SPACE_CODE;
1690                 break;
1691
1692         case LFUN_INSET_MODIFY:
1693                 // We need to disable this, because we may get called for a
1694                 // tabular cell via
1695                 // InsetTabular::getStatus() -> InsetText::getStatus()
1696                 // and we don't handle LFUN_INSET_MODIFY.
1697                 enable = false;
1698                 break;
1699
1700         case LFUN_FONT_EMPH:
1701                 flag.setOnOff(font.emph() == LyXFont::ON);
1702                 return true;
1703
1704         case LFUN_FONT_NOUN:
1705                 flag.setOnOff(font.noun() == LyXFont::ON);
1706                 return true;
1707
1708         case LFUN_FONT_BOLD:
1709                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1710                 return true;
1711
1712         case LFUN_FONT_SANS:
1713                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1714                 return true;
1715
1716         case LFUN_FONT_ROMAN:
1717                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1718                 return true;
1719
1720         case LFUN_FONT_CODE:
1721                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1722                 return true;
1723
1724         case LFUN_CUT:
1725         case LFUN_COPY:
1726                 enable = cur.selection();
1727                 break;
1728
1729         case LFUN_PASTE:
1730                 enable = cap::numberOfSelections() > 0;
1731                 break;
1732
1733         case LFUN_PARAGRAPH_MOVE_UP:
1734                 enable = cur.pit() > 0 && !cur.selection();
1735                 break;
1736
1737         case LFUN_PARAGRAPH_MOVE_DOWN:
1738                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1739                 break;
1740
1741         case LFUN_INSET_DISSOLVE:
1742                 enable = !isMainText(*cur.bv().buffer()) && cur.inset().nargs() == 1;
1743                 break;
1744
1745         case LFUN_CHANGE_ACCEPT:
1746         case LFUN_CHANGE_REJECT:
1747                 enable = true; // FIXME: Change tracking (MG)
1748                 break;
1749
1750         case LFUN_WORD_DELETE_FORWARD:
1751         case LFUN_WORD_DELETE_BACKWARD:
1752         case LFUN_LINE_DELETE:
1753         case LFUN_WORD_FORWARD:
1754         case LFUN_WORD_BACKWARD:
1755         case LFUN_CHAR_FORWARD:
1756         case LFUN_CHAR_FORWARD_SELECT:
1757         case LFUN_CHAR_BACKWARD:
1758         case LFUN_CHAR_BACKWARD_SELECT:
1759         case LFUN_UP:
1760         case LFUN_UP_SELECT:
1761         case LFUN_DOWN:
1762         case LFUN_DOWN_SELECT:
1763         case LFUN_PARAGRAPH_UP_SELECT:
1764         case LFUN_PARAGRAPH_DOWN_SELECT:
1765         case LFUN_SCREEN_UP_SELECT:
1766         case LFUN_SCREEN_DOWN_SELECT:
1767         case LFUN_LINE_BEGIN_SELECT:
1768         case LFUN_LINE_END_SELECT:
1769         case LFUN_WORD_FORWARD_SELECT:
1770         case LFUN_WORD_BACKWARD_SELECT:
1771         case LFUN_WORD_SELECT:
1772         case LFUN_PARAGRAPH_UP:
1773         case LFUN_PARAGRAPH_DOWN:
1774         case LFUN_SCREEN_UP:
1775         case LFUN_SCREEN_DOWN:
1776         case LFUN_LINE_BEGIN:
1777         case LFUN_LINE_END:
1778         case LFUN_BREAK_LINE:
1779         case LFUN_CHAR_DELETE_FORWARD:
1780         case LFUN_DELETE_FORWARD_SKIP:
1781         case LFUN_CHAR_DELETE_BACKWARD:
1782         case LFUN_DELETE_BACKWARD_SKIP:
1783         case LFUN_BREAK_PARAGRAPH:
1784         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1785         case LFUN_BREAK_PARAGRAPH_SKIP:
1786         case LFUN_PARAGRAPH_SPACING:
1787         case LFUN_INSET_INSERT:
1788         case LFUN_WORD_UPCASE:
1789         case LFUN_WORD_LOWCASE:
1790         case LFUN_WORD_CAPITALIZE:
1791         case LFUN_CHARS_TRANSPOSE:
1792         case LFUN_SERVER_GET_XY:
1793         case LFUN_SERVER_SET_XY:
1794         case LFUN_SERVER_GET_FONT:
1795         case LFUN_SERVER_GET_LAYOUT:
1796         case LFUN_LAYOUT:
1797         case LFUN_CLIPBOARD_PASTE:
1798         case LFUN_PRIMARY_SELECTION_PASTE:
1799         case LFUN_DATE_INSERT:
1800         case LFUN_SELF_INSERT:
1801         case LFUN_LINE_INSERT:
1802         case LFUN_PAGEBREAK_INSERT:
1803         case LFUN_MATH_DISPLAY:
1804         case LFUN_MATH_IMPORT_SELECTION:
1805         case LFUN_MATH_MODE:
1806         case LFUN_MATH_MACRO:
1807         case LFUN_MATH_MATRIX:
1808         case LFUN_MATH_DELIM:
1809         case LFUN_MATH_BIGDELIM:
1810         case LFUN_MATH_SUBSCRIPT:
1811         case LFUN_MATH_SUPERSCRIPT:
1812         case LFUN_FONT_DEFAULT:
1813         case LFUN_FONT_UNDERLINE:
1814         case LFUN_FONT_SIZE:
1815         case LFUN_LANGUAGE:
1816         case LFUN_FONT_FREE_APPLY:
1817         case LFUN_FONT_FREE_UPDATE:
1818         case LFUN_LAYOUT_PARAGRAPH:
1819         case LFUN_PARAGRAPH_UPDATE:
1820         case LFUN_ACCENT_UMLAUT:
1821         case LFUN_ACCENT_CIRCUMFLEX:
1822         case LFUN_ACCENT_GRAVE:
1823         case LFUN_ACCENT_ACUTE:
1824         case LFUN_ACCENT_TILDE:
1825         case LFUN_ACCENT_CEDILLA:
1826         case LFUN_ACCENT_MACRON:
1827         case LFUN_ACCENT_DOT:
1828         case LFUN_ACCENT_UNDERDOT:
1829         case LFUN_ACCENT_UNDERBAR:
1830         case LFUN_ACCENT_CARON:
1831         case LFUN_ACCENT_SPECIAL_CARON:
1832         case LFUN_ACCENT_BREVE:
1833         case LFUN_ACCENT_TIE:
1834         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1835         case LFUN_ACCENT_CIRCLE:
1836         case LFUN_ACCENT_OGONEK:
1837         case LFUN_THESAURUS_ENTRY:
1838         case LFUN_PARAGRAPH_PARAMS_APPLY:
1839         case LFUN_ESCAPE:
1840         case LFUN_BUFFER_END:
1841         case LFUN_BUFFER_BEGIN:
1842         case LFUN_BUFFER_BEGIN_SELECT:
1843         case LFUN_BUFFER_END_SELECT:
1844         case LFUN_UNICODE_INSERT:
1845                 // these are handled in our dispatch()
1846                 enable = true;
1847                 break;
1848
1849         default:
1850                 return false;
1851         }
1852
1853         if (code != InsetBase::NO_CODE
1854             && (cur.empty() || !cur.inset().insetAllowed(code)))
1855                 enable = false;
1856
1857         flag.enabled(enable);
1858         return true;
1859 }
1860
1861
1862 } // namespace lyx