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/Dialogs.h"
  51 #include "frontends/LyXView.h"
  52 #include "frontends/Clipboard.h"
  53 #include "frontends/Selection.h"
  54
  55 #include "insets/insetcommand.h"
  56 #include "insets/insetfloatlist.h"
  57 #include "insets/insetnewline.h"
  58 #include "insets/insetquotes.h"
  59 #include "insets/insetspecialchar.h"
  60 #include "insets/insettext.h"
  61
  62 #include "support/lstrings.h"
  63 #include "support/lyxlib.h"
  64 #include "support/convert.h"
  65 #include "support/lyxtime.h"
  66
  67 #include "mathed/InsetMathHull.h"
  68 #include "mathed/MathMacroTemplate.h"
  69
  70 #include <boost/current_function.hpp>
  71
  72 #include <clocale>
  73 #include <sstream>
  74
  75 using lyx::char_type;
  76 using lyx::docstring;
  77 using lyx::pos_type;
  78
  79 using lyx::cap::copySelection;
  80 using lyx::cap::cutSelection;
  81 using lyx::cap::pasteSelection;
  82 using lyx::cap::replaceSelection;
  83
  84 using lyx::support::isStrUnsignedInt;
  85 using lyx::support::token;
  86
  87 using std::endl;
  88 using std::string;
  89 using std::istringstream;
  90 using std::ostringstream;
  91
  92
  93 extern string current_layout;
  94
  95
  96 namespace {
  97
  98         // globals...
  99         LyXFont freefont(LyXFont::ALL_IGNORE);
 100         bool toggleall = false;
 101
 102
 103         void toggleAndShow(LCursor & cur, LyXText * text,
 104                 LyXFont const & font, bool toggleall = true)
 105         {
 106                 text->toggleFree(cur, font, toggleall);
 107
 108                 if (font.language() != ignore_language ||
 109                                 font.number() != LyXFont::IGNORE) {
 110                         Paragraph & par = cur.paragraph();
 111                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 112                         if (cur.boundary() !=
 113                                         text->bidi.isBoundary(cur.buffer(), par,
 114                                                         cur.pos(),
 115                                                         text->real_current_font))
 116                                 text->setCursor(cur, cur.pit(), cur.pos(),
 117                                                 false, !cur.boundary());
 118                 }
 119         }
 120
 121
 122         void moveCursor(LCursor & cur, bool selecting)
 123         {
 124                 if (selecting || cur.mark())
 125                         cur.setSelection();
 126                 if (!cur.selection())
 127                         theApp->selection().haveSelection(false);
 128                 cur.bv().switchKeyMap();
 129         }
 130
 131
 132         void finishChange(LCursor & cur, bool selecting)
 133         {
 134                 finishUndo();
 135                 moveCursor(cur, selecting);
 136         }
 137
 138
 139         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 140         {
 141                 recordUndo(cur);
 142                 string sel = lyx::to_utf8(cur.selectionAsString(false));
 143                 //lyxerr << "selection is: '" << sel << "'" << endl;
 144
 145                 // It may happen that sel is empty but there is a selection
 146                 replaceSelection(cur);
 147
 148                 if (sel.empty()) {
 149                         const int old_pos = cur.pos();
 150                         cur.insert(new InsetMathHull(hullSimple));
 151                         BOOST_ASSERT(old_pos == cur.pos());
 152                         cur.nextInset()->edit(cur, true);
 153                         // don't do that also for LFUN_MATH_MODE
 154                         // unless you want end up with always changing
 155                         // to mathrm when opening an inlined inset --
 156                         // I really hate "LyXfunc overloading"...
 157                         if (display)
 158                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 159                         // Avoid an unnecessary undo step if cmd.argument
 160                         // is empty
 161                         if (!cmd.argument().empty())
 162                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 163                                                          cmd.argument()));
 164                 } else {
 165                         // create a macro if we see "\\newcommand"
 166                         // somewhere, and an ordinary formula
 167                         // otherwise
 168                         istringstream is(sel);
 169                         if (sel.find("\\newcommand") == string::npos
 170                             && sel.find("\\def") == string::npos)
 171                         {
 172                                 InsetMathHull * formula = new InsetMathHull;
 173                                 LyXLex lex(0, 0);
 174                                 lex.setStream(is);
 175                                 formula->read(cur.buffer(), lex);
 176                                 if (formula->getType() == hullNone)
 177                                         // Don't create pseudo formulas if
 178                                         // delimiters are left out
 179                                         formula->mutate(hullSimple);
 180                                 cur.insert(formula);
 181                         } else
 182                                 cur.insert(new MathMacroTemplate(is));
 183                 }
 184                 cur.message(lyx::from_utf8(N_("Math editor mode")));
 185         }
 186
 187 } // namespace anon
 188
 189
 190
 191 namespace bv_funcs {
 192
 193 string const freefont2string()
 194 {
 195         string data;
 196         if (font2string(freefont, toggleall, data))
 197                 return data;
 198         return string();
 199 }
 200
 201 }
 202
 203 bool LyXText::cursorPrevious(LCursor & cur)
 204 {
 205         pos_type cpos = cur.pos();
 206         lyx::pit_type cpar = cur.pit();
 207
 208         int x = cur.x_target();
 209
 210         bool updated = setCursorFromCoordinates(cur, x, 0);
 211         if (updated)
 212                 cur.bv().update();
 213         updated |= cursorUp(cur);
 214
 215         if (cpar == cur.pit() && cpos == cur.pos()) {
 216                 // we have a row which is taller than the workarea. The
 217                 // simplest solution is to move to the previous row instead.
 218                 updated |= cursorUp(cur);
 219         }
 220
 221         finishUndo();
 222         return updated;
 223 }
 224
 225
 226 bool LyXText::cursorNext(LCursor & cur)
 227 {
 228         pos_type cpos = cur.pos();
 229         lyx::pit_type cpar = cur.pit();
 230
 231         int x = cur.x_target();
 232         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 233         if (updated)
 234                 cur.bv().update();
 235         updated |= cursorDown(cur);
 236
 237         if (cpar == cur.pit() && cpos == cur.pos()) {
 238                 // we have a row which is taller than the workarea. The
 239                 // simplest solution is to move to the next row instead.
 240                 updated |= cursorDown(cur);
 241         }
 242
 243         finishUndo();
 244         return updated;
 245 }
 246
 247
 248 namespace {
 249
 250 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 251 {
 252         lyx::cap::replaceSelection(cur);
 253         cur.insert(new InsetSpecialChar(kind));
 254         cur.posRight();
 255 }
 256
 257
 258 bool doInsertInset(LCursor & cur, LyXText * text,
 259         FuncRequest const & cmd, bool edit, bool pastesel)
 260 {
 261         InsetBase * inset = createInset(&cur.bv(), cmd);
 262         if (!inset)
 263                 return false;
 264
 265         recordUndo(cur);
 266         bool gotsel = false;
 267         if (cur.selection()) {
 268                 theApp->lyxFunc().dispatch(FuncRequest(LFUN_CUT));
 269                 gotsel = true;
 270         }
 271         text->insertInset(cur, inset);
 272
 273         if (edit)
 274                 inset->edit(cur, true);
 275
 276         if (gotsel && pastesel) {
 277                 theApp->lyxFunc().dispatch(FuncRequest(LFUN_PASTE));
 278                 // reset first par to default
 279                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 280                         LyXLayout_ptr const layout =
 281                                 cur.buffer().params().getLyXTextClass().defaultLayout();
 282                         cur.text()->paragraphs().begin()->layout(layout);
 283                 }
 284         }
 285         return true;
 286 }
 287
 288
 289 void update(LCursor & cur)
 290 {
 291         //we don't call update(true, false) directly to save a metrics call
 292         if (cur.bv().fitCursor())
 293                 cur.bv().update(Update::Force);
 294 }
 295
 296
 297 } // anon namespace
 298
 299
 300 void LyXText::number(LCursor & cur)
 301 {
 302         LyXFont font(LyXFont::ALL_IGNORE);
 303         font.setNumber(LyXFont::TOGGLE);
 304         toggleAndShow(cur, this, font);
 305 }
 306
 307
 308 bool LyXText::isRTL(Paragraph const & par) const
 309 {
 310         return par.isRightToLeftPar(bv()->buffer()->params());
 311 }
 312
 313
 314 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 315 {
 316         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 317
 318         BOOST_ASSERT(cur.text() == this);
 319         BufferView * bv = &cur.bv();
 320         CursorSlice oldTopSlice = cur.top();
 321         bool oldBoundary = cur.boundary();
 322         bool sel = cur.selection();
 323         // Signals that, even if needsUpdate == false, an update of the
 324         // cursor paragraph is required
 325         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 326                 LyXAction::SingleParUpdate);
 327         // Signals that a full-screen update is required
 328         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 329                 LyXAction::NoUpdate) || singleParUpdate);
 330         // Remember the old paragraph metric (_outer_ paragraph!)
 331         Dimension olddim = cur.bottom().paragraph().dim();
 332
 333         switch (cmd.action) {
 334
 335         case LFUN_PARAGRAPH_MOVE_DOWN: {
 336                 pit_type const pit = cur.pit();
 337                 recUndo(pit, pit + 1);
 338                 finishUndo();
 339                 std::swap(pars_[pit], pars_[pit + 1]);
 340
 341                 ParIterator begin(cur);
 342                 ++cur.pit();
 343                 ParIterator end = boost::next(ParIterator(cur));
 344                 updateLabels(cur.buffer(), begin, end);
 345
 346                 needsUpdate = true;
 347                 break;
 348         }
 349
 350         case LFUN_PARAGRAPH_MOVE_UP: {
 351                 pit_type const pit = cur.pit();
 352                 recUndo(pit - 1, pit);
 353                 finishUndo();
 354                 std::swap(pars_[pit], pars_[pit - 1]);
 355
 356                 ParIterator end = boost::next(ParIterator(cur));
 357                 --cur.pit();
 358                 ParIterator begin(cur);
 359                 updateLabels(cur.buffer(), begin, end);
 360
 361                 needsUpdate = true;
 362                 break;
 363         }
 364
 365         case LFUN_APPENDIX: {
 366                 Paragraph & par = cur.paragraph();
 367                 bool start = !par.params().startOfAppendix();
 368
 369 #ifdef WITH_WARNINGS
 370 #warning The code below only makes sense at top level.
 371 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 372 #endif
 373                 // ensure that we have only one start_of_appendix in this document
 374                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 375                         if (pars_[tmp].params().startOfAppendix()) {
 376                                 recUndo(tmp);
 377                                 pars_[tmp].params().startOfAppendix(false);
 378                                 break;
 379                         }
 380                 }
 381
 382                 recordUndo(cur);
 383                 par.params().startOfAppendix(start);
 384
 385                 // we can set the refreshing parameters now
 386                 updateLabels(cur.buffer());
 387                 break;
 388         }
 389
 390         case LFUN_WORD_DELETE_FORWARD:
 391                 cur.clearSelection();
 392                 deleteWordForward(cur);
 393                 finishChange(cur, false);
 394                 break;
 395
 396         case LFUN_WORD_DELETE_BACKWARD:
 397                 cur.clearSelection();
 398                 deleteWordBackward(cur);
 399                 finishChange(cur, false);
 400                 break;
 401
 402         case LFUN_LINE_DELETE:
 403                 cur.clearSelection();
 404                 deleteLineForward(cur);
 405                 finishChange(cur, false);
 406                 break;
 407
 408         case LFUN_BUFFER_BEGIN:
 409         case LFUN_BUFFER_BEGIN_SELECT:
 410                 cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 411                 if (cur.depth() == 1) {
 412                         needsUpdate = cursorTop(cur);
 413                 } else {
 414                         cur.undispatched();
 415                 }
 416                 break;
 417
 418         case LFUN_BUFFER_END:
 419         case LFUN_BUFFER_END_SELECT:
 420                 cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 421                 if (cur.depth() == 1) {
 422                         needsUpdate = cursorBottom(cur);
 423                 } else {
 424                         cur.undispatched();
 425                 }
 426                 break;
 427
 428         case LFUN_CHAR_FORWARD:
 429         case LFUN_CHAR_FORWARD_SELECT:
 430                 //lyxerr << BOOST_CURRENT_FUNCTION
 431                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 432                 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 433                 if (isRTL(cur.paragraph()))
 434                         needsUpdate = cursorLeft(cur);
 435                 else
 436                         needsUpdate = cursorRight(cur);
 437
 438                 if (!needsUpdate && oldTopSlice == cur.top()
 439                                 && cur.boundary() == oldBoundary) {
 440                         cur.undispatched();
 441                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 442                 }
 443                 break;
 444
 445         case LFUN_CHAR_BACKWARD:
 446         case LFUN_CHAR_BACKWARD_SELECT:
 447                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 448                 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 449                 if (isRTL(cur.paragraph()))
 450                         needsUpdate = cursorRight(cur);
 451                 else
 452                         needsUpdate = cursorLeft(cur);
 453
 454                 if (!needsUpdate && oldTopSlice == cur.top()
 455                         && cur.boundary() == oldBoundary) {
 456                         cur.undispatched();
 457                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 458                 }
 459                 break;
 460
 461         case LFUN_UP:
 462         case LFUN_UP_SELECT:
 463                 update(cur);
 464                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 465                 cur.selHandle(cmd.action == LFUN_UP_SELECT);
 466
 467                 needsUpdate = cursorUp(cur);
 468                 if (!needsUpdate && oldTopSlice == cur.top()
 469                           && cur.boundary() == oldBoundary) {
 470                         cur.undispatched();
 471                         cmd = FuncRequest(LFUN_FINISHED_UP);
 472                 }
 473                 break;
 474
 475         case LFUN_DOWN:
 476         case LFUN_DOWN_SELECT:
 477                 update(cur);
 478                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 479                 cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 480                 needsUpdate = cursorDown(cur);
 481                 if (!needsUpdate && oldTopSlice == cur.top() &&
 482                     cur.boundary() == oldBoundary)
 483                 {
 484                         cur.undispatched();
 485                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 486                 }
 487                 break;
 488
 489         case LFUN_PARAGRAPH_UP:
 490         case LFUN_PARAGRAPH_UP_SELECT:
 491                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 492                 needsUpdate = cursorUpParagraph(cur);
 493                 break;
 494
 495         case LFUN_PARAGRAPH_DOWN:
 496         case LFUN_PARAGRAPH_DOWN_SELECT:
 497                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 498                 needsUpdate = cursorDownParagraph(cur);
 499                 break;
 500
 501         case LFUN_SCREEN_UP:
 502         case LFUN_SCREEN_UP_SELECT:
 503                 update(cur);
 504                 cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 505                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 506                         cur.undispatched();
 507                         cmd = FuncRequest(LFUN_FINISHED_UP);
 508                 } else {
 509                         needsUpdate = cursorPrevious(cur);
 510                 }
 511                 break;
 512
 513         case LFUN_SCREEN_DOWN:
 514         case LFUN_SCREEN_DOWN_SELECT:
 515                 update(cur);
 516                 cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 517                 if (cur.pit() == cur.lastpit()
 518                           && cur.textRow().endpos() == cur.lastpos()) {
 519                         cur.undispatched();
 520                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 521                 } else {
 522                         needsUpdate = cursorNext(cur);
 523                 }
 524                 break;
 525
 526         case LFUN_LINE_BEGIN:
 527         case LFUN_LINE_BEGIN_SELECT:
 528                 update(cur);
 529                 cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 530                 needsUpdate = cursorHome(cur);
 531                 break;
 532
 533         case LFUN_LINE_END:
 534         case LFUN_LINE_END_SELECT:
 535                 update(cur);
 536                 cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 537                 needsUpdate = cursorEnd(cur);
 538                 break;
 539
 540         case LFUN_WORD_FORWARD:
 541         case LFUN_WORD_FORWARD_SELECT:
 542                 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 543                 if (isRTL(cur.paragraph()))
 544                         needsUpdate = cursorLeftOneWord(cur);
 545                 else
 546                         needsUpdate = cursorRightOneWord(cur);
 547                 break;
 548
 549         case LFUN_WORD_BACKWARD:
 550         case LFUN_WORD_BACKWARD_SELECT:
 551                 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 552                 if (isRTL(cur.paragraph()))
 553                         needsUpdate = cursorRightOneWord(cur);
 554                 else
 555                         needsUpdate = cursorLeftOneWord(cur);
 556                 break;
 557
 558         case LFUN_WORD_SELECT: {
 559                 selectWord(cur, lyx::WHOLE_WORD);
 560                 finishChange(cur, true);
 561                 break;
 562         }
 563
 564         case LFUN_BREAK_LINE: {
 565                 // Not allowed by LaTeX (labels or empty par)
 566                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 567                         lyx::cap::replaceSelection(cur);
 568                         cur.insert(new InsetNewline);
 569                         cur.posRight();
 570                         moveCursor(cur, false);
 571                 }
 572                 break;
 573         }
 574
 575         case LFUN_CHAR_DELETE_FORWARD:
 576                 if (!cur.selection()) {
 577                         if (cur.pos() == cur.paragraph().size())
 578                                 // Par boundary, force full-screen update
 579                                 singleParUpdate = false;
 580                         needsUpdate = erase(cur);
 581                         cur.resetAnchor();
 582                         // It is possible to make it a lot faster still
 583                         // just comment out the line below...
 584                 } else {
 585                         cutSelection(cur, true, false);
 586                         singleParUpdate = false;
 587                 }
 588                 moveCursor(cur, false);
 589                 break;
 590
 591         case LFUN_DELETE_FORWARD_SKIP:
 592                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 593                 if (!cur.selection()) {
 594                         if (cur.pos() == cur.lastpos()) {
 595                                 cursorRight(cur);
 596                                 cursorLeft(cur);
 597                         }
 598                         erase(cur);
 599                         cur.resetAnchor();
 600                 } else {
 601                         cutSelection(cur, true, false);
 602                 }
 603                 break;
 604
 605
 606         case LFUN_CHAR_DELETE_BACKWARD:
 607                 if (!cur.selection()) {
 608                         if (bv->getIntl().getTransManager().backspace()) {
 609                                 // Par boundary, full-screen update
 610                                 if (cur.pos() == 0)
 611                                         singleParUpdate = false;
 612                                 needsUpdate = backspace(cur);
 613                                 cur.resetAnchor();
 614                                 // It is possible to make it a lot faster still
 615                                 // just comment out the line below...
 616                         }
 617                 } else {
 618                         cutSelection(cur, true, false);
 619                         singleParUpdate = false;
 620                 }
 621                 bv->switchKeyMap();
 622                 break;
 623
 624         case LFUN_DELETE_BACKWARD_SKIP:
 625                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 626                 if (!cur.selection()) {
 627 #ifdef WITH_WARNINGS
 628 #warning look here
 629 #endif
 630                         //CursorSlice cur = cursor();
 631                         backspace(cur);
 632                         //anchor() = cur;
 633                 } else {
 634                         cutSelection(cur, true, false);
 635                 }
 636                 break;
 637
 638         case LFUN_BREAK_PARAGRAPH:
 639                 lyx::cap::replaceSelection(cur);
 640                 breakParagraph(cur, 0);
 641                 cur.resetAnchor();
 642                 bv->switchKeyMap();
 643                 break;
 644
 645         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 646                 lyx::cap::replaceSelection(cur);
 647                 breakParagraph(cur, 1);
 648                 cur.resetAnchor();
 649                 bv->switchKeyMap();
 650                 break;
 651
 652         case LFUN_BREAK_PARAGRAPH_SKIP: {
 653                 // When at the beginning of a paragraph, remove
 654                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 655                 lyx::cap::replaceSelection(cur);
 656                 if (cur.pos() == 0)
 657                         cur.paragraph().params().labelWidthString(string());
 658                 else
 659                         breakParagraph(cur, 0);
 660                 cur.resetAnchor();
 661                 bv->switchKeyMap();
 662                 break;
 663         }
 664
 665         case LFUN_PARAGRAPH_SPACING: {
 666                 Paragraph & par = cur.paragraph();
 667                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 668                 string cur_value = "1.0";
 669                 if (cur_spacing == Spacing::Other)
 670                         cur_value = par.params().spacing().getValueAsString();
 671
 672                 istringstream is(lyx::to_utf8(cmd.argument()));
 673                 string tmp;
 674                 is >> tmp;
 675                 Spacing::Space new_spacing = cur_spacing;
 676                 string new_value = cur_value;
 677                 if (tmp.empty()) {
 678                         lyxerr << "Missing argument to `paragraph-spacing'"
 679                                << endl;
 680                 } else if (tmp == "single") {
 681                         new_spacing = Spacing::Single;
 682                 } else if (tmp == "onehalf") {
 683                         new_spacing = Spacing::Onehalf;
 684                 } else if (tmp == "double") {
 685                         new_spacing = Spacing::Double;
 686                 } else if (tmp == "other") {
 687                         new_spacing = Spacing::Other;
 688                         string tmpval = "0.0";
 689                         is >> tmpval;
 690                         lyxerr << "new_value = " << tmpval << endl;
 691                         if (tmpval != "0.0")
 692                                 new_value = tmpval;
 693                 } else if (tmp == "default") {
 694                         new_spacing = Spacing::Default;
 695                 } else {
 696                         lyxerr << lyx::to_utf8(_("Unknown spacing argument: "))
 697                                << lyx::to_utf8(cmd.argument()) << endl;
 698                 }
 699                 if (cur_spacing != new_spacing || cur_value != new_value)
 700                         par.params().spacing(Spacing(new_spacing, new_value));
 701                 break;
 702         }
 703
 704         case LFUN_INSET_INSERT: {
 705                 recordUndo(cur);
 706                 InsetBase * inset = createInset(bv, cmd);
 707                 if (inset) {
 708                         insertInset(cur, inset);
 709                         cur.posRight();
 710                 }
 711                 break;
 712         }
 713
 714         case LFUN_INSET_DISSOLVE:
 715                 needsUpdate = dissolveInset(cur);
 716                 break;
 717
 718         case LFUN_INSET_SETTINGS:
 719                 cur.inset().showInsetDialog(bv);
 720                 break;
 721
 722         case LFUN_SPACE_INSERT:
 723                 if (cur.paragraph().layout()->free_spacing)
 724                         insertChar(cur, ' ');
 725                 else {
 726                         doInsertInset(cur, this, cmd, false, false);
 727                         cur.posRight();
 728                 }
 729                 moveCursor(cur, false);
 730                 break;
 731
 732         case LFUN_HYPHENATION_POINT_INSERT:
 733                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 734                 break;
 735
 736         case LFUN_LIGATURE_BREAK_INSERT:
 737                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 738                 break;
 739
 740         case LFUN_DOTS_INSERT:
 741                 specialChar(cur, InsetSpecialChar::LDOTS);
 742                 break;
 743
 744         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 745                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 746                 break;
 747
 748         case LFUN_MENU_SEPARATOR_INSERT:
 749                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 750                 break;
 751
 752         case LFUN_WORD_UPCASE:
 753                 changeCase(cur, LyXText::text_uppercase);
 754                 break;
 755
 756         case LFUN_WORD_LOWCASE:
 757                 changeCase(cur, LyXText::text_lowercase);
 758                 break;
 759
 760         case LFUN_WORD_CAPITALIZE:
 761                 changeCase(cur, LyXText::text_capitalization);
 762                 break;
 763
 764         case LFUN_CHARS_TRANSPOSE:
 765                 recordUndo(cur);
 766                 break;
 767
 768         case LFUN_PASTE:
 769                 cur.message(_("Paste"));
 770                 lyx::cap::replaceSelection(cur);
 771                 if (isStrUnsignedInt(lyx::to_utf8(cmd.argument())))
 772                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 773                         convert<unsigned int>(lyx::to_utf8(cmd.argument())));
 774                 else
 775                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 776                         0);
 777                 bv->buffer()->errors("Paste");
 778                 cur.clearSelection(); // bug 393
 779                 bv->switchKeyMap();
 780                 finishUndo();
 781                 break;
 782
 783         case LFUN_CUT:
 784                 cutSelection(cur, true, true);
 785                 cur.message(_("Cut"));
 786                 break;
 787
 788         case LFUN_COPY:
 789                 copySelection(cur);
 790                 cur.message(_("Copy"));
 791                 break;
 792
 793         case LFUN_SERVER_GET_XY:
 794                 cur.message(lyx::from_utf8(
 795                         convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 796                           + convert<string>(cursorY(cur.top(), cur.boundary()))));
 797                 break;
 798
 799         case LFUN_SERVER_SET_XY: {
 800                 int x = 0;
 801                 int y = 0;
 802                 istringstream is(lyx::to_utf8(cmd.argument()));
 803                 is >> x >> y;
 804                 if (!is)
 805                         lyxerr << "SETXY: Could not parse coordinates in '"
 806                                << lyx::to_utf8(cmd.argument()) << std::endl;
 807                 else
 808                         setCursorFromCoordinates(cur, x, y);
 809                 break;
 810         }
 811
 812         case LFUN_SERVER_GET_FONT:
 813                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 814                         cur.message(lyx::from_utf8("E"));
 815                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 816                         cur.message(lyx::from_utf8("N"));
 817                 else
 818                         cur.message(lyx::from_utf8("0"));
 819                 break;
 820
 821         case LFUN_SERVER_GET_LAYOUT:
 822                 cur.message(lyx::from_utf8(cur.paragraph().layout()->name()));
 823                 break;
 824
 825         case LFUN_LAYOUT: {
 826                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 827                   << lyx::to_utf8(cmd.argument()) << endl;
 828
 829                 // This is not the good solution to the empty argument
 830                 // problem, but it will hopefully suffice for 1.2.0.
 831                 // The correct solution would be to augument the
 832                 // function list/array with information about what
 833                 // functions needs arguments and their type.
 834                 if (cmd.argument().empty()) {
 835                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 836                         break;
 837                 }
 838
 839                 // Derive layout number from given argument (string)
 840                 // and current buffer's textclass (number)
 841                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 842                 bool hasLayout = tclass.hasLayout(lyx::to_utf8(cmd.argument()));
 843                 string layout = lyx::to_utf8(cmd.argument());
 844
 845                 // If the entry is obsolete, use the new one instead.
 846                 if (hasLayout) {
 847                         string const & obs = tclass[layout]->obsoleted_by();
 848                         if (!obs.empty())
 849                                 layout = obs;
 850                 }
 851
 852                 if (!hasLayout) {
 853                         cur.errorMessage(lyx::from_utf8(N_("Layout ")) + cmd.argument() +
 854                                 lyx::from_utf8(N_(" not known")));
 855                         break;
 856                 }
 857
 858                 bool change_layout = (current_layout != layout);
 859
 860                 if (!change_layout && cur.selection() &&
 861                         cur.selBegin().pit() != cur.selEnd().pit())
 862                 {
 863                         pit_type spit = cur.selBegin().pit();
 864                         pit_type epit = cur.selEnd().pit() + 1;
 865                         while (spit != epit) {
 866                                 if (pars_[spit].layout()->name() != current_layout) {
 867                                         change_layout = true;
 868                                         break;
 869                                 }
 870                                 ++spit;
 871                         }
 872                 }
 873
 874                 if (change_layout) {
 875                         current_layout = layout;
 876                         setLayout(cur, layout);
 877                         bv->owner()->setLayout(layout);
 878                         bv->switchKeyMap();
 879                 }
 880                 break;
 881         }
 882
 883         case LFUN_CLIPBOARD_PASTE: {
 884                 cur.clearSelection();
 885                 docstring const clip = theApp->clipboard().get();
 886                 if (!clip.empty()) {
 887                         recordUndo(cur);
 888                         if (cmd.argument() == "paragraph")
 889                                 insertStringAsParagraphs(cur, clip);
 890                         else
 891                                 insertStringAsLines(cur, clip);
 892                 }
 893                 break;
 894         }
 895
 896         case LFUN_PRIMARY_SELECTION_PASTE: {
 897                 cur.clearSelection();
 898                 docstring const clip = theApp->selection().get();
 899                 if (!clip.empty()) {
 900                         recordUndo(cur);
 901                         if (cmd.argument() == "paragraph")
 902                                 insertStringAsParagraphs(cur, clip);
 903                         else
 904                                 insertStringAsLines(cur, clip);
 905                 }
 906                 break;
 907         }
 908
 909         case LFUN_QUOTE_INSERT: {
 910                 lyx::cap::replaceSelection(cur);
 911                 Paragraph & par = cur.paragraph();
 912                 lyx::pos_type pos = cur.pos();
 913                 lyx::char_type c;
 914                 if (pos == 0)
 915                         c = ' ';
 916                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 917                         c = ' ';
 918                 else
 919                         c = par.getChar(pos - 1);
 920
 921                 LyXLayout_ptr const & style = par.layout();
 922
 923                 BufferParams const & bufparams = bv->buffer()->params();
 924                 if (!style->pass_thru
 925                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 926                         string arg = lyx::to_utf8(cmd.argument());
 927                         if (arg == "single")
 928                                 cur.insert(new InsetQuotes(c,
 929                                     bufparams.quotes_language,
 930                                     InsetQuotes::SingleQ));
 931                         else
 932                                 cur.insert(new InsetQuotes(c,
 933                                     bufparams.quotes_language,
 934                                     InsetQuotes::DoubleQ));
 935                         cur.posRight();
 936                 }
 937                 else
 938                         theApp->lyxFunc().dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 939                 break;
 940         }
 941
 942         case LFUN_DATE_INSERT:
 943                 if (cmd.argument().empty())
 944                         theApp->lyxFunc().dispatch(FuncRequest(LFUN_SELF_INSERT,
 945                                 lyx::formatted_time(lyx::current_time())));
 946                 else
 947                         theApp->lyxFunc().dispatch(FuncRequest(LFUN_SELF_INSERT,
 948                                 lyx::formatted_time(lyx::current_time(), lyx::to_utf8(cmd.argument()))));
 949                 break;
 950
 951         case LFUN_MOUSE_TRIPLE:
 952                 if (cmd.button() == mouse_button::button1) {
 953                         cursorHome(cur);
 954                         cur.resetAnchor();
 955                         cursorEnd(cur);
 956                         cur.setSelection();
 957                         bv->cursor() = cur;
 958                         theApp->selection().haveSelection(cur.selection());
 959                 }
 960                 break;
 961
 962         case LFUN_MOUSE_DOUBLE:
 963                 if (cmd.button() == mouse_button::button1) {
 964                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
 965                         bv->cursor() = cur;
 966                         theApp->selection().haveSelection(cur.selection());
 967                 }
 968                 break;
 969
 970         // Single-click on work area
 971         case LFUN_MOUSE_PRESS: {
 972                 // Right click on a footnote flag opens float menu
 973                 if (cmd.button() == mouse_button::button3)
 974                         cur.clearSelection();
 975
 976                 // Middle button press pastes if we have a selection
 977                 // We do this here as if the selection was inside an inset
 978                 // it could get cleared on the unlocking of the inset so
 979                 // we have to check this first
 980                 bool paste_internally = false;
 981                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
 982                         theApp->lyxFunc().dispatch(FuncRequest(LFUN_COPY));
 983                         paste_internally = true;
 984                 }
 985
 986                 bv->mouseSetCursor(cur);
 987
 988                 // Insert primary selection with middle mouse
 989                 // if there is a local selection in the current buffer,
 990                 // insert this
 991                 if (cmd.button() == mouse_button::button2) {
 992                         if (paste_internally)
 993                                 theApp->lyxFunc().dispatch(FuncRequest(LFUN_PASTE));
 994                         else
 995                                 theApp->lyxFunc().dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 996                 }
 997
 998                 break;
 999         }
1000
1001         case LFUN_MOUSE_MOTION: {
1002                 // Only use motion with button 1
1003                 //if (cmd.button() != mouse_button::button1)
1004                 //      return false;
1005
1006                 // ignore motions deeper nested than the real anchor
1007                 LCursor & bvcur = cur.bv().cursor();
1008                 if (bvcur.anchor_.hasPart(cur)) {
1009                         CursorSlice old = bvcur.top();
1010
1011                         int const wh = bv->workHeight();
1012                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1013
1014                         setCursorFromCoordinates(cur, cmd.x, y);
1015                         cur.x_target() = cmd.x;
1016                         if (cmd.y >= wh)
1017                                 cursorDown(cur);
1018                         else if (cmd.y < 0)
1019                                 cursorUp(cur);
1020                         // This is to allow jumping over large insets
1021                         if (cur.top() == old) {
1022                                 if (cmd.y >= wh)
1023                                         cursorDown(cur);
1024                                 else if (cmd.y < 0)
1025                                         cursorUp(cur);
1026                         }
1027
1028                         if (cur.top() == old)
1029                                 cur.noUpdate();
1030                         else {
1031                                 // don't set anchor_
1032                                 bvcur.setCursor(cur);
1033                                 bvcur.selection() = true;
1034                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1035                         }
1036
1037                 } else
1038                         cur.undispatched();
1039                 break;
1040         }
1041
1042         case LFUN_MOUSE_RELEASE: {
1043                 if (cmd.button() == mouse_button::button2)
1044                         break;
1045
1046                 // finish selection
1047                 if (cmd.button() == mouse_button::button1)
1048                         theApp->selection().haveSelection(cur.selection());
1049
1050                 bv->switchKeyMap();
1051                 bv->owner()->updateMenubar();
1052                 bv->owner()->updateToolbars();
1053                 break;
1054         }
1055
1056         case LFUN_SELF_INSERT: {
1057                 if (cmd.argument().empty())
1058                         break;
1059
1060                 // Automatically delete the currently selected
1061                 // text and replace it with what is being
1062                 // typed in now. Depends on lyxrc settings
1063                 // "auto_region_delete", which defaults to
1064                 // true (on).
1065
1066                 if (lyxrc.auto_region_delete) {
1067                         if (cur.selection())
1068                                 cutSelection(cur, false, false);
1069                         theApp->selection().haveSelection(false);
1070                 }
1071
1072                 cur.clearSelection();
1073                 LyXFont const old_font = real_current_font;
1074
1075                 docstring::const_iterator cit = cmd.argument().begin();
1076                 docstring::const_iterator end = cmd.argument().end();
1077                 for (; cit != end; ++cit)
1078 #if 0
1079                         bv->getIntl().getTransManager().
1080                                 translateAndInsert(*cit, this);
1081 #else
1082                         insertChar(bv->cursor(), *cit);
1083 #endif
1084
1085                 cur.resetAnchor();
1086                 moveCursor(cur, false);
1087                 break;
1088         }
1089
1090         case LFUN_URL_INSERT: {
1091                 InsetCommandParams p("url");
1092                 string const data = InsetCommandMailer::params2string("url", p);
1093                 bv->showInsetDialog("url", data, 0);
1094                 break;
1095         }
1096
1097         case LFUN_HTML_INSERT: {
1098                 InsetCommandParams p("htmlurl");
1099                 string const data = InsetCommandMailer::params2string("url", p);
1100                 bv->showInsetDialog("url", data, 0);
1101                 break;
1102         }
1103
1104         case LFUN_LABEL_INSERT: {
1105                 // Try to generate a valid label
1106                 string const contents = cmd.argument().empty() ?
1107                         cur.getPossibleLabel() : lyx::to_utf8(cmd.argument());
1108
1109                 InsetCommandParams p("label", contents);
1110                 string const data = InsetCommandMailer::params2string("label", p);
1111
1112                 if (cmd.argument().empty()) {
1113                         bv->showInsetDialog("label", data, 0);
1114                 } else {
1115                         FuncRequest fr(LFUN_INSET_INSERT, data);
1116                         dispatch(cur, fr);
1117                 }
1118                 break;
1119         }
1120
1121
1122 #if 0
1123         case LFUN_LIST_INSERT:
1124         case LFUN_THEOREM_INSERT:
1125         case LFUN_CAPTION_INSERT:
1126 #endif
1127         case LFUN_NOTE_INSERT:
1128         case LFUN_CHARSTYLE_INSERT:
1129         case LFUN_BOX_INSERT:
1130         case LFUN_BRANCH_INSERT:
1131         case LFUN_BIBITEM_INSERT:
1132         case LFUN_ERT_INSERT:
1133         case LFUN_FOOTNOTE_INSERT:
1134         case LFUN_MARGINALNOTE_INSERT:
1135         case LFUN_OPTIONAL_INSERT:
1136         case LFUN_ENVIRONMENT_INSERT:
1137                 // Open the inset, and move the current selection
1138                 // inside it.
1139                 doInsertInset(cur, this, cmd, true, true);
1140                 cur.posRight();
1141                 break;
1142
1143         case LFUN_TABULAR_INSERT:
1144                 // if there were no arguments, just open the dialog
1145                 if (doInsertInset(cur, this, cmd, false, true))
1146                         cur.posRight();
1147                 else
1148                         bv->showDialog("tabularcreate");
1149
1150                 break;
1151
1152         case LFUN_FLOAT_INSERT:
1153         case LFUN_FLOAT_WIDE_INSERT:
1154         case LFUN_WRAP_INSERT:
1155                 doInsertInset(cur, this, cmd, true, true);
1156                 cur.posRight();
1157                 // FIXME: the "Caption" name should not be hardcoded,
1158                 // but given by the float definition.
1159                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1160                 break;
1161
1162         case LFUN_INDEX_INSERT: {
1163                 InsetBase * inset = createInset(&cur.bv(), cmd);
1164                 if (!inset)
1165                         break;
1166
1167                 recordUndo(cur);
1168                 cur.clearSelection();
1169                 insertInset(cur, inset);
1170                 inset->edit(cur, true);
1171                 cur.posRight();
1172                 break;
1173         }
1174
1175         case LFUN_INDEX_PRINT:
1176         case LFUN_TOC_INSERT:
1177         case LFUN_HFILL_INSERT:
1178         case LFUN_LINE_INSERT:
1179         case LFUN_PAGEBREAK_INSERT:
1180                 // do nothing fancy
1181                 doInsertInset(cur, this, cmd, false, false);
1182                 cur.posRight();
1183                 break;
1184
1185         case LFUN_DEPTH_DECREMENT:
1186                 changeDepth(cur, DEC_DEPTH);
1187                 break;
1188
1189         case LFUN_DEPTH_INCREMENT:
1190                 changeDepth(cur, INC_DEPTH);
1191                 break;
1192
1193         case LFUN_MATH_DISPLAY:
1194                 mathDispatch(cur, cmd, true);
1195                 break;
1196
1197         case LFUN_MATH_IMPORT_SELECTION:
1198         case LFUN_MATH_MODE:
1199                 if (cmd.argument() == "on")
1200                         // don't pass "on" as argument
1201                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1202                 else
1203                         mathDispatch(cur, cmd, false);
1204                 break;
1205
1206         case LFUN_MATH_MACRO:
1207                 if (cmd.argument().empty())
1208                         cur.errorMessage(lyx::from_utf8(N_("Missing argument")));
1209                 else {
1210                         string s = lyx::to_utf8(cmd.argument());
1211                         string const s1 = token(s, ' ', 1);
1212                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1213                         string const s2 = token(s, ' ', 2);
1214                         string const type = s2.empty() ? "newcommand" : s2;
1215                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1216                         //cur.nextInset()->edit(cur, true);
1217                 }
1218                 break;
1219
1220         // passthrough hat and underscore outside mathed:
1221         case LFUN_MATH_SUBSCRIPT:
1222                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1223                 break;
1224         case LFUN_MATH_SUPERSCRIPT:
1225                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1226                 break;
1227
1228         case LFUN_MATH_INSERT:
1229         case LFUN_MATH_MATRIX:
1230         case LFUN_MATH_DELIM:
1231         case LFUN_MATH_BIGDELIM: {
1232                 cur.insert(new InsetMathHull(hullSimple));
1233                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1234                 cur.dispatch(cmd);
1235                 break;
1236         }
1237
1238         case LFUN_FONT_EMPH: {
1239                 LyXFont font(LyXFont::ALL_IGNORE);
1240                 font.setEmph(LyXFont::TOGGLE);
1241                 toggleAndShow(cur, this, font);
1242                 break;
1243         }
1244
1245         case LFUN_FONT_BOLD: {
1246                 LyXFont font(LyXFont::ALL_IGNORE);
1247                 font.setSeries(LyXFont::BOLD_SERIES);
1248                 toggleAndShow(cur, this, font);
1249                 break;
1250         }
1251
1252         case LFUN_FONT_NOUN: {
1253                 LyXFont font(LyXFont::ALL_IGNORE);
1254                 font.setNoun(LyXFont::TOGGLE);
1255                 toggleAndShow(cur, this, font);
1256                 break;
1257         }
1258
1259         case LFUN_FONT_CODE: {
1260                 LyXFont font(LyXFont::ALL_IGNORE);
1261                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1262                 toggleAndShow(cur, this, font);
1263                 break;
1264         }
1265
1266         case LFUN_FONT_SANS: {
1267                 LyXFont font(LyXFont::ALL_IGNORE);
1268                 font.setFamily(LyXFont::SANS_FAMILY);
1269                 toggleAndShow(cur, this, font);
1270                 break;
1271         }
1272
1273         case LFUN_FONT_ROMAN: {
1274                 LyXFont font(LyXFont::ALL_IGNORE);
1275                 font.setFamily(LyXFont::ROMAN_FAMILY);
1276                 toggleAndShow(cur, this, font);
1277                 break;
1278         }
1279
1280         case LFUN_FONT_DEFAULT: {
1281                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1282                 toggleAndShow(cur, this, font);
1283                 break;
1284         }
1285
1286         case LFUN_FONT_UNDERLINE: {
1287                 LyXFont font(LyXFont::ALL_IGNORE);
1288                 font.setUnderbar(LyXFont::TOGGLE);
1289                 toggleAndShow(cur, this, font);
1290                 break;
1291         }
1292
1293         case LFUN_FONT_SIZE: {
1294                 LyXFont font(LyXFont::ALL_IGNORE);
1295                 font.setLyXSize(lyx::to_utf8(cmd.argument()));
1296                 toggleAndShow(cur, this, font);
1297                 break;
1298         }
1299
1300         case LFUN_LANGUAGE: {
1301                 Language const * lang = languages.getLanguage(lyx::to_utf8(cmd.argument()));
1302                 if (!lang)
1303                         break;
1304                 LyXFont font(LyXFont::ALL_IGNORE);
1305                 font.setLanguage(lang);
1306                 toggleAndShow(cur, this, font);
1307                 bv->switchKeyMap();
1308                 break;
1309         }
1310
1311         case LFUN_FONT_FREE_APPLY:
1312                 toggleAndShow(cur, this, freefont, toggleall);
1313                 cur.message(_("Character set"));
1314                 break;
1315
1316         // Set the freefont using the contents of \param data dispatched from
1317         // the frontends and apply it at the current cursor location.
1318         case LFUN_FONT_FREE_UPDATE: {
1319                 LyXFont font;
1320                 bool toggle;
1321                 if (bv_funcs::string2font(lyx::to_utf8(cmd.argument()), font, toggle)) {
1322                         freefont = font;
1323                         toggleall = toggle;
1324                         toggleAndShow(cur, this, freefont, toggleall);
1325                         cur.message(_("Character set"));
1326                 }
1327                 break;
1328         }
1329
1330         case LFUN_FINISHED_LEFT:
1331                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1332                 break;
1333
1334         case LFUN_FINISHED_RIGHT:
1335                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1336                 ++cur.pos();
1337                 break;
1338
1339         case LFUN_FINISHED_UP:
1340                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1341                 cursorUp(cur);
1342                 break;
1343
1344         case LFUN_FINISHED_DOWN:
1345                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1346                 cursorDown(cur);
1347                 break;
1348
1349         case LFUN_LAYOUT_PARAGRAPH: {
1350                 string data;
1351                 params2string(cur.paragraph(), data);
1352                 data = "show\n" + data;
1353                 bv->showDialogWithData("paragraph", data);
1354                 break;
1355         }
1356
1357         case LFUN_PARAGRAPH_UPDATE: {
1358                 string data;
1359                 params2string(cur.paragraph(), data);
1360
1361                 // Will the paragraph accept changes from the dialog?
1362                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1363
1364                 data = "update " + convert<string>(accept) + '\n' + data;
1365                 bv->updateDialog("paragraph", data);
1366                 break;
1367         }
1368
1369         case LFUN_ACCENT_UMLAUT:
1370         case LFUN_ACCENT_CIRCUMFLEX:
1371         case LFUN_ACCENT_GRAVE:
1372         case LFUN_ACCENT_ACUTE:
1373         case LFUN_ACCENT_TILDE:
1374         case LFUN_ACCENT_CEDILLA:
1375         case LFUN_ACCENT_MACRON:
1376         case LFUN_ACCENT_DOT:
1377         case LFUN_ACCENT_UNDERDOT:
1378         case LFUN_ACCENT_UNDERBAR:
1379         case LFUN_ACCENT_CARON:
1380         case LFUN_ACCENT_SPECIAL_CARON:
1381         case LFUN_ACCENT_BREVE:
1382         case LFUN_ACCENT_TIE:
1383         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1384         case LFUN_ACCENT_CIRCLE:
1385         case LFUN_ACCENT_OGONEK:
1386                 theApp->lyxFunc().handleKeyFunc(cmd.action);
1387                 if (!cmd.argument().empty())
1388                         // FIXME: Are all these characters encoded in one byte in utf8?
1389                         bv->getIntl().getTransManager()
1390                                 .translateAndInsert(cmd.argument()[0], this);
1391                 break;
1392
1393         case LFUN_FLOAT_LIST: {
1394                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1395                 if (tclass.floats().typeExist(lyx::to_utf8(cmd.argument()))) {
1396                         // not quite sure if we want this...
1397                         recordUndo(cur);
1398                         cur.clearSelection();
1399                         breakParagraph(cur);
1400
1401                         if (cur.lastpos() != 0) {
1402                                 cursorLeft(cur);
1403                                 breakParagraph(cur);
1404                         }
1405
1406                         setLayout(cur, tclass.defaultLayoutName());
1407                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1408                         insertInset(cur, new InsetFloatList(lyx::to_utf8(cmd.argument())));
1409                         cur.posRight();
1410                 } else {
1411                         lyxerr << "Non-existent float type: "
1412                                << lyx::to_utf8(cmd.argument()) << endl;
1413                 }
1414                 break;
1415         }
1416
1417         case LFUN_CHANGE_ACCEPT: {
1418                 acceptChange(cur);
1419                 break;
1420         }
1421
1422         case LFUN_CHANGE_REJECT: {
1423                 rejectChange(cur);
1424                 break;
1425         }
1426
1427         case LFUN_THESAURUS_ENTRY: {
1428                 docstring arg = cmd.argument();
1429                 if (arg.empty()) {
1430                         arg = cur.selectionAsString(false);
1431                         // FIXME
1432                         if (arg.size() > 100 || arg.empty()) {
1433                                 // Get word or selection
1434                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1435                                 arg = cur.selectionAsString(false);
1436                         }
1437                 }
1438                 bv->showDialogWithData("thesaurus", lyx::to_utf8(arg));
1439                 break;
1440         }
1441
1442         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1443                 // Given data, an encoding of the ParagraphParameters
1444                 // generated in the Paragraph dialog, this function sets
1445                 // the current paragraph appropriately.
1446                 istringstream is(lyx::to_utf8(cmd.argument()));
1447                 LyXLex lex(0, 0);
1448                 lex.setStream(is);
1449                 ParagraphParameters params;
1450                 params.read(lex);
1451                 setParagraph(cur,
1452                                          params.spacing(),
1453                                          params.align(),
1454                                          params.labelWidthString(),
1455                                          params.noindent());
1456                 cur.message(_("Paragraph layout set"));
1457                 break;
1458         }
1459
1460         case LFUN_ESCAPE:
1461                 if (cur.selection()) {
1462                         cur.selection() = false;
1463                 } else {
1464                         cur.undispatched();
1465                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1466                 }
1467                 break;
1468
1469         default:
1470                 lyxerr[Debug::ACTION]
1471                         << BOOST_CURRENT_FUNCTION
1472                         << ": Command " << cmd
1473                         << " not DISPATCHED by LyXText" << endl;
1474                 cur.undispatched();
1475                 break;
1476         }
1477
1478         if (singleParUpdate)
1479                 // Inserting characters does not change par height
1480                 if (cur.bottom().paragraph().dim().height()
1481                     == olddim.height()) {
1482                         // if so, update _only_ this paragraph
1483                         cur.bv().update(Update::SinglePar |
1484                                         Update::FitCursor |
1485                                         Update::MultiParSel);
1486                         cur.noUpdate();
1487                         return;
1488                 } else
1489                         needsUpdate = true;
1490         if (!needsUpdate
1491             && &oldTopSlice.inset() == &cur.inset()
1492             && oldTopSlice.idx() == cur.idx()
1493             && !sel
1494             && !cur.selection())
1495                 cur.noUpdate();
1496         else
1497                 cur.needsUpdate();
1498 }
1499
1500
1501 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1502                         FuncStatus & flag) const
1503 {
1504         BOOST_ASSERT(cur.text() == this);
1505
1506         LyXFont const & font = real_current_font;
1507         bool enable = true;
1508         InsetBase::Code code = InsetBase::NO_CODE;
1509
1510         switch (cmd.action) {
1511
1512         case LFUN_DEPTH_DECREMENT:
1513                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1514                 break;
1515
1516         case LFUN_DEPTH_INCREMENT:
1517                 enable = changeDepthAllowed(cur, INC_DEPTH);
1518                 break;
1519
1520         case LFUN_APPENDIX:
1521                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1522                 return true;
1523
1524         case LFUN_BIBITEM_INSERT:
1525                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1526                 break;
1527
1528         case LFUN_DIALOG_SHOW_NEW_INSET:
1529                 if (cmd.argument() == "bibitem")
1530                         code = InsetBase::BIBITEM_CODE;
1531                 else if (cmd.argument() == "bibtex")
1532                         code = InsetBase::BIBTEX_CODE;
1533                 else if (cmd.argument() == "box")
1534                         code = InsetBase::BOX_CODE;
1535                 else if (cmd.argument() == "branch")
1536                         code = InsetBase::BRANCH_CODE;
1537                 else if (cmd.argument() == "citation")
1538                         code = InsetBase::CITE_CODE;
1539                 else if (cmd.argument() == "ert")
1540                         code = InsetBase::ERT_CODE;
1541                 else if (cmd.argument() == "external")
1542                         code = InsetBase::EXTERNAL_CODE;
1543                 else if (cmd.argument() == "float")
1544                         code = InsetBase::FLOAT_CODE;
1545                 else if (cmd.argument() == "graphics")
1546                         code = InsetBase::GRAPHICS_CODE;
1547                 else if (cmd.argument() == "include")
1548                         code = InsetBase::INCLUDE_CODE;
1549                 else if (cmd.argument() == "index")
1550                         code = InsetBase::INDEX_CODE;
1551                 else if (cmd.argument() == "label")
1552                         code = InsetBase::LABEL_CODE;
1553                 else if (cmd.argument() == "note")
1554                         code = InsetBase::NOTE_CODE;
1555                 else if (cmd.argument() == "ref")
1556                         code = InsetBase::REF_CODE;
1557                 else if (cmd.argument() == "toc")
1558                         code = InsetBase::TOC_CODE;
1559                 else if (cmd.argument() == "url")
1560                         code = InsetBase::URL_CODE;
1561                 else if (cmd.argument() == "vspace")
1562                         code = InsetBase::VSPACE_CODE;
1563                 else if (cmd.argument() == "wrap")
1564                         code = InsetBase::WRAP_CODE;
1565                 break;
1566
1567         case LFUN_ERT_INSERT:
1568                 code = InsetBase::ERT_CODE;
1569                 break;
1570         case LFUN_FOOTNOTE_INSERT:
1571                 code = InsetBase::FOOT_CODE;
1572                 break;
1573         case LFUN_TABULAR_INSERT:
1574                 code = InsetBase::TABULAR_CODE;
1575                 break;
1576         case LFUN_MARGINALNOTE_INSERT:
1577                 code = InsetBase::MARGIN_CODE;
1578                 break;
1579         case LFUN_FLOAT_INSERT:
1580         case LFUN_FLOAT_WIDE_INSERT:
1581                 code = InsetBase::FLOAT_CODE;
1582                 break;
1583         case LFUN_WRAP_INSERT:
1584                 code = InsetBase::WRAP_CODE;
1585                 break;
1586         case LFUN_FLOAT_LIST:
1587                 code = InsetBase::FLOAT_LIST_CODE;
1588                 break;
1589 #if 0
1590         case LFUN_LIST_INSERT:
1591                 code = InsetBase::LIST_CODE;
1592                 break;
1593         case LFUN_THEOREM_INSERT:
1594                 code = InsetBase::THEOREM_CODE;
1595                 break;
1596 #endif
1597         case LFUN_CAPTION_INSERT:
1598                 code = InsetBase::CAPTION_CODE;
1599                 break;
1600         case LFUN_NOTE_INSERT:
1601                 code = InsetBase::NOTE_CODE;
1602                 break;
1603         case LFUN_CHARSTYLE_INSERT:
1604                 code = InsetBase::CHARSTYLE_CODE;
1605                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1606                         enable = false;
1607                 break;
1608         case LFUN_BOX_INSERT:
1609                 code = InsetBase::BOX_CODE;
1610                 break;
1611         case LFUN_BRANCH_INSERT:
1612                 code = InsetBase::BRANCH_CODE;
1613                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1614                         enable = false;
1615                 break;
1616         case LFUN_LABEL_INSERT:
1617                 code = InsetBase::LABEL_CODE;
1618                 break;
1619         case LFUN_OPTIONAL_INSERT:
1620                 code = InsetBase::OPTARG_CODE;
1621                 enable = numberOfOptArgs(cur.paragraph())
1622                         < cur.paragraph().layout()->optionalargs;
1623                 break;
1624         case LFUN_ENVIRONMENT_INSERT:
1625                 code = InsetBase::BOX_CODE;
1626                 break;
1627         case LFUN_INDEX_INSERT:
1628                 code = InsetBase::INDEX_CODE;
1629                 break;
1630         case LFUN_INDEX_PRINT:
1631                 code = InsetBase::INDEX_PRINT_CODE;
1632                 break;
1633         case LFUN_TOC_INSERT:
1634                 code = InsetBase::TOC_CODE;
1635                 break;
1636         case LFUN_HTML_INSERT:
1637         case LFUN_URL_INSERT:
1638                 code = InsetBase::URL_CODE;
1639                 break;
1640         case LFUN_QUOTE_INSERT:
1641                 // always allow this, since we will inset a raw quote
1642                 // if an inset is not allowed.
1643                 break;
1644         case LFUN_HYPHENATION_POINT_INSERT:
1645         case LFUN_LIGATURE_BREAK_INSERT:
1646         case LFUN_HFILL_INSERT:
1647         case LFUN_MENU_SEPARATOR_INSERT:
1648         case LFUN_DOTS_INSERT:
1649         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1650                 code = InsetBase::SPECIALCHAR_CODE;
1651                 break;
1652         case LFUN_SPACE_INSERT:
1653                 // slight hack: we know this is allowed in math mode
1654                 if (cur.inTexted())
1655                         code = InsetBase::SPACE_CODE;
1656                 break;
1657
1658         case LFUN_INSET_MODIFY:
1659                 // We need to disable this, because we may get called for a
1660                 // tabular cell via
1661                 // InsetTabular::getStatus() -> InsetText::getStatus()
1662                 // and we don't handle LFUN_INSET_MODIFY.
1663                 enable = false;
1664                 break;
1665
1666         case LFUN_FONT_EMPH:
1667                 flag.setOnOff(font.emph() == LyXFont::ON);
1668                 return true;
1669
1670         case LFUN_FONT_NOUN:
1671                 flag.setOnOff(font.noun() == LyXFont::ON);
1672                 return true;
1673
1674         case LFUN_FONT_BOLD:
1675                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1676                 return true;
1677
1678         case LFUN_FONT_SANS:
1679                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1680                 return true;
1681
1682         case LFUN_FONT_ROMAN:
1683                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1684                 return true;
1685
1686         case LFUN_FONT_CODE:
1687                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1688                 return true;
1689
1690         case LFUN_CUT:
1691         case LFUN_COPY:
1692                 enable = cur.selection();
1693                 break;
1694
1695         case LFUN_PASTE:
1696                 enable = lyx::cap::numberOfSelections() > 0;
1697                 break;
1698
1699         case LFUN_PARAGRAPH_MOVE_UP:
1700                 enable = cur.pit() > 0 && !cur.selection();
1701                 break;
1702
1703         case LFUN_PARAGRAPH_MOVE_DOWN:
1704                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1705                 break;
1706
1707         case LFUN_INSET_DISSOLVE:
1708                 enable = !isMainText() && cur.inset().nargs() == 1;
1709                 break;
1710
1711         case LFUN_WORD_DELETE_FORWARD:
1712         case LFUN_WORD_DELETE_BACKWARD:
1713         case LFUN_LINE_DELETE:
1714         case LFUN_WORD_FORWARD:
1715         case LFUN_WORD_BACKWARD:
1716         case LFUN_CHAR_FORWARD:
1717         case LFUN_CHAR_FORWARD_SELECT:
1718         case LFUN_CHAR_BACKWARD:
1719         case LFUN_CHAR_BACKWARD_SELECT:
1720         case LFUN_UP:
1721         case LFUN_UP_SELECT:
1722         case LFUN_DOWN:
1723         case LFUN_DOWN_SELECT:
1724         case LFUN_PARAGRAPH_UP_SELECT:
1725         case LFUN_PARAGRAPH_DOWN_SELECT:
1726         case LFUN_SCREEN_UP_SELECT:
1727         case LFUN_SCREEN_DOWN_SELECT:
1728         case LFUN_LINE_BEGIN_SELECT:
1729         case LFUN_LINE_END_SELECT:
1730         case LFUN_WORD_FORWARD_SELECT:
1731         case LFUN_WORD_BACKWARD_SELECT:
1732         case LFUN_WORD_SELECT:
1733         case LFUN_PARAGRAPH_UP:
1734         case LFUN_PARAGRAPH_DOWN:
1735         case LFUN_SCREEN_UP:
1736         case LFUN_SCREEN_DOWN:
1737         case LFUN_LINE_BEGIN:
1738         case LFUN_LINE_END:
1739         case LFUN_BREAK_LINE:
1740         case LFUN_CHAR_DELETE_FORWARD:
1741         case LFUN_DELETE_FORWARD_SKIP:
1742         case LFUN_CHAR_DELETE_BACKWARD:
1743         case LFUN_DELETE_BACKWARD_SKIP:
1744         case LFUN_BREAK_PARAGRAPH:
1745         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1746         case LFUN_BREAK_PARAGRAPH_SKIP:
1747         case LFUN_PARAGRAPH_SPACING:
1748         case LFUN_INSET_INSERT:
1749         case LFUN_WORD_UPCASE:
1750         case LFUN_WORD_LOWCASE:
1751         case LFUN_WORD_CAPITALIZE:
1752         case LFUN_CHARS_TRANSPOSE:
1753         case LFUN_SERVER_GET_XY:
1754         case LFUN_SERVER_SET_XY:
1755         case LFUN_SERVER_GET_FONT:
1756         case LFUN_SERVER_GET_LAYOUT:
1757         case LFUN_LAYOUT:
1758         case LFUN_CLIPBOARD_PASTE:
1759         case LFUN_PRIMARY_SELECTION_PASTE:
1760         case LFUN_DATE_INSERT:
1761         case LFUN_SELF_INSERT:
1762         case LFUN_LINE_INSERT:
1763         case LFUN_PAGEBREAK_INSERT:
1764         case LFUN_MATH_DISPLAY:
1765         case LFUN_MATH_IMPORT_SELECTION:
1766         case LFUN_MATH_MODE:
1767         case LFUN_MATH_MACRO:
1768         case LFUN_MATH_INSERT:
1769         case LFUN_MATH_MATRIX:
1770         case LFUN_MATH_DELIM:
1771         case LFUN_MATH_BIGDELIM:
1772         case LFUN_MATH_SUBSCRIPT:
1773         case LFUN_MATH_SUPERSCRIPT:
1774         case LFUN_FONT_DEFAULT:
1775         case LFUN_FONT_UNDERLINE:
1776         case LFUN_FONT_SIZE:
1777         case LFUN_LANGUAGE:
1778         case LFUN_FONT_FREE_APPLY:
1779         case LFUN_FONT_FREE_UPDATE:
1780         case LFUN_LAYOUT_PARAGRAPH:
1781         case LFUN_PARAGRAPH_UPDATE:
1782         case LFUN_ACCENT_UMLAUT:
1783         case LFUN_ACCENT_CIRCUMFLEX:
1784         case LFUN_ACCENT_GRAVE:
1785         case LFUN_ACCENT_ACUTE:
1786         case LFUN_ACCENT_TILDE:
1787         case LFUN_ACCENT_CEDILLA:
1788         case LFUN_ACCENT_MACRON:
1789         case LFUN_ACCENT_DOT:
1790         case LFUN_ACCENT_UNDERDOT:
1791         case LFUN_ACCENT_UNDERBAR:
1792         case LFUN_ACCENT_CARON:
1793         case LFUN_ACCENT_SPECIAL_CARON:
1794         case LFUN_ACCENT_BREVE:
1795         case LFUN_ACCENT_TIE:
1796         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1797         case LFUN_ACCENT_CIRCLE:
1798         case LFUN_ACCENT_OGONEK:
1799         case LFUN_CHANGE_ACCEPT:
1800         case LFUN_CHANGE_REJECT:
1801         case LFUN_THESAURUS_ENTRY:
1802         case LFUN_PARAGRAPH_PARAMS_APPLY:
1803         case LFUN_ESCAPE:
1804         case LFUN_BUFFER_END:
1805         case LFUN_BUFFER_BEGIN:
1806         case LFUN_BUFFER_BEGIN_SELECT:
1807         case LFUN_BUFFER_END_SELECT:
1808                 // these are handled in our dispatch()
1809                 enable = true;
1810                 break;
1811
1812         default:
1813                 return false;
1814         }
1815
1816         if (code != InsetBase::NO_CODE
1817             && (cur.empty() || !cur.inset().insetAllowed(code)))
1818                 enable = false;
1819
1820         flag.enabled(enable);
1821         return true;
1822 }