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 "FloatList.h"
  21 #include "FuncStatus.h"
  22 #include "buffer.h"
  23 #include "bufferparams.h"
  24 #include "BufferView.h"
  25 #include "cursor.h"
  26 #include "CutAndPaste.h"
  27 #include "debug.h"
  28 #include "dispatchresult.h"
  29 #include "factory.h"
  30 #include "funcrequest.h"
  31 #include "gettext.h"
  32 #include "intl.h"
  33 #include "language.h"
  34 #include "lyxfunc.h"
  35 #include "lyxlex.h"
  36 #include "lyxrc.h"
  37 #include "lyxrow.h"
  38 #include "paragraph.h"
  39 #include "paragraph_funcs.h"
  40 #include "ParagraphParameters.h"
  41 #include "undo.h"
  42 #include "vspace.h"
  43
  44 #include "frontends/Dialogs.h"
  45 #include "frontends/LyXView.h"
  46
  47 #include "insets/insetcommand.h"
  48 #include "insets/insetfloatlist.h"
  49 #include "insets/insetnewline.h"
  50 #include "insets/insetquotes.h"
  51 #include "insets/insetspecialchar.h"
  52 #include "insets/insettext.h"
  53
  54 #include "support/lstrings.h"
  55 #include "support/lyxlib.h"
  56 #include "support/tostr.h"
  57
  58 #include "mathed/math_hullinset.h"
  59 #include "mathed/math_macrotemplate.h"
  60
  61 #include <clocale>
  62 #include <sstream>
  63
  64 using lyx::pos_type;
  65
  66 using lyx::cap::copySelection;
  67 using lyx::cap::cutSelection;
  68 using lyx::cap::pasteSelection;
  69 using lyx::cap::replaceSelection;
  70
  71 using lyx::support::isStrUnsignedInt;
  72 using lyx::support::strToUnsignedInt;
  73 using lyx::support::atoi;
  74 using lyx::support::token;
  75
  76 using std::endl;
  77 using std::find;
  78 using std::string;
  79 using std::istringstream;
  80 using std::vector;
  81
  82
  83 extern string current_layout;
  84
  85 // the selection possible is needed, that only motion events are
  86 // used, where the button press event was on the drawing area too
  87 bool selection_possible = false;
  88
  89
  90 namespace {
  91
  92         // globals...
  93         LyXFont freefont(LyXFont::ALL_IGNORE);
  94         bool toggleall = false;
  95
  96
  97         void toggleAndShow(LCursor & cur, LyXText * text,
  98                 LyXFont const & font, bool toggleall = true)
  99         {
 100                 text->toggleFree(cur, font, toggleall);
 101
 102                 if (font.language() != ignore_language ||
 103                                 font.number() != LyXFont::IGNORE) {
 104                         Paragraph & par = cur.paragraph();
 105                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 106                         if (cur.boundary() !=
 107                                         text->bidi.isBoundary(cur.buffer(), par,
 108                                                         cur.pos(),
 109                                                         text->real_current_font))
 110                                 text->setCursor(cur, cur.par(), cur.pos(),
 111                                                 false, !cur.boundary());
 112                 }
 113         }
 114
 115
 116         void moveCursor(LCursor & cur, bool selecting)
 117         {
 118                 if (selecting || cur.mark())
 119                         cur.setSelection();
 120                 if (!cur.selection())
 121                         cur.bv().haveSelection(false);
 122                 cur.bv().switchKeyMap();
 123         }
 124
 125
 126         void finishChange(LCursor & cur, bool selecting)
 127         {
 128                 finishUndo();
 129                 moveCursor(cur, selecting);
 130         }
 131
 132
 133         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 134         {
 135                 recordUndo(cur);
 136                 string sel = cur.selectionAsString(false);
 137                 lyxerr << "selection is: '" << sel << "'" << endl;
 138
 139                 if (sel.empty()) {
 140                         cur.insert(new MathHullInset);
 141                         cur.nextInset()->edit(cur, true);
 142                         cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 143                         // don't do that also for LFUN_MATH_MODE unless you want end up with
 144                         // always changing to mathrm when opening an inlined inset
 145                         // -- I really hate "LyXfunc overloading"...
 146                         if (display)
 147                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 148                         cur.dispatch(FuncRequest(LFUN_INSERT_MATH, cmd.argument));
 149                 } else {
 150                         // create a macro if we see "\\newcommand" somewhere, and an ordinary
 151                         // formula otherwise
 152                         cutSelection(cur, true, true);
 153                         if (sel.find("\\newcommand") == string::npos
 154                             && sel.find("\\def") == string::npos)
 155                         {
 156                                 cur.insert(new MathHullInset);
 157                                 cur.dispatch(FuncRequest(LFUN_RIGHT));
 158                                 cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 159                                 cur.dispatch(FuncRequest(LFUN_INSERT_MATH, sel));
 160                         } else {
 161                                 istringstream is(sel);
 162                                 cur.insert(new MathMacroTemplate(is));
 163                         }
 164                 }
 165                 cur.message(N_("Math editor mode"));
 166         }
 167
 168 } // namespace anon
 169
 170
 171
 172 namespace bv_funcs {
 173
 174 string const freefont2string()
 175 {
 176         string data;
 177         if (font2string(freefont, toggleall, data))
 178                 return data;
 179         return string();
 180 }
 181
 182 }
 183
 184
 185 //takes absolute x,y coordinates
 186 InsetBase * LyXText::checkInsetHit(int x, int y)
 187 {
 188         par_type pit;
 189         par_type end;
 190
 191         getParsInRange(paragraphs(),
 192                        bv()->top_y() - yo_,
 193                        bv()->top_y() - yo_ + bv()->workHeight(),
 194                        pit, end);
 195
 196         lyxerr << "checkInsetHit: x: " << x << " y: " << y << endl;
 197         lyxerr << "  pit: " << pit << " end: " << end << endl;
 198         for ( ; pit != end; ++pit) {
 199                 InsetList::iterator iit = pars_[pit].insetlist.begin();
 200                 InsetList::iterator iend = pars_[pit].insetlist.end();
 201                 for ( ; iit != iend; ++iit) {
 202                         InsetBase * inset = iit->inset;
 203 #if 0
 204                         lyxerr << "examining inset " << inset
 205                                 << " xo: " << inset->xo() << "..." << inset->xo() + inset->width()
 206                                 << " yo: " << inset->yo() - inset->ascent() << "..."
 207                                 << inset->yo() + inset->descent() << endl;
 208 #endif
 209                         if (inset->covers(x, y)) {
 210                                 lyxerr << "Hit inset: " << inset << endl;
 211                                 return inset;
 212                         }
 213                 }
 214         }
 215         //lyxerr << "No inset hit. " << endl;
 216         return 0;
 217 }
 218
 219
 220 bool LyXText::gotoNextInset(LCursor & cur,
 221         vector<InsetOld_code> const & codes, string const & contents)
 222 {
 223         BOOST_ASSERT(this == cur.text());
 224         par_type end = paragraphs().size();
 225         par_type pit = cur.par();
 226         pos_type pos = cur.pos();
 227
 228         InsetBase * inset;
 229         do {
 230                 if (pos + 1 < pars_[pit].size()) {
 231                         ++pos;
 232                 } else  {
 233                         ++pit;
 234                         pos = 0;
 235                 }
 236
 237         } while (pit != end &&
 238                  !(pars_[pit].isInset(pos) &&
 239                    (inset = pars_[pit].getInset(pos)) != 0 &&
 240                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 241                    (contents.empty() ||
 242                     static_cast<InsetCommand *>(pars_[pit].getInset(pos))->getContents()
 243                     == contents)));
 244
 245         if (pit == end)
 246                 return false;
 247
 248         setCursor(cur, pit, pos, false);
 249         return true;
 250 }
 251
 252
 253 void LyXText::gotoInset(LCursor & cur,
 254         vector<InsetOld_code> const & codes, bool same_content)
 255 {
 256         cur.clearSelection();
 257
 258         string contents;
 259         if (same_content
 260             && cur.pos() < cur.lastpos()
 261             && cur.paragraph().isInset(cur.pos())) {
 262                 InsetBase const * inset = cur.paragraph().getInset(cur.pos());
 263                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 264                     != codes.end())
 265                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 266         }
 267
 268         if (!gotoNextInset(cur, codes, contents)) {
 269                 if (cur.pos() || cur.par() != 0) {
 270                         CursorSlice tmp = cur.top();
 271                         cur.par() = 0;
 272                         cur.pos() = 0;
 273                         if (!gotoNextInset(cur, codes, contents)) {
 274                                 cur.top() = tmp;
 275                                 cur.message(_("No more insets"));
 276                         }
 277                 } else {
 278                         cur.message(_("No more insets"));
 279                 }
 280         }
 281         cur.resetAnchor();
 282 }
 283
 284
 285 void LyXText::gotoInset(LCursor & cur, InsetOld_code code, bool same_content)
 286 {
 287         gotoInset(cur, vector<InsetOld_code>(1, code), same_content);
 288 }
 289
 290
 291 void LyXText::cursorPrevious(LCursor & cur)
 292 {
 293         pos_type cpos = cur.pos();
 294         lyx::par_type cpar = cur.par();
 295
 296         int x = cur.x_target();
 297         int y = cur.bv().top_y();
 298         setCursorFromCoordinates(cur, x, y);
 299
 300         if (cpar == cur.par() && cpos == cur.pos()) {
 301                 // we have a row which is taller than the workarea. The
 302                 // simplest solution is to move to the previous row instead.
 303                 cursorUp(cur);
 304         }
 305
 306         cur.bv().updateScrollbar();
 307         finishUndo();
 308 }
 309
 310
 311 void LyXText::cursorNext(LCursor & cur)
 312 {
 313         pos_type cpos = cur.pos();
 314         lyx::par_type cpar = cur.par();
 315
 316         int x = cur.x_target();
 317         int y = cur.bv().top_y() + cur.bv().workHeight();
 318         setCursorFromCoordinates(cur, x, y);
 319
 320         if (cpar == cur.par() && cpos == cur.pos()) {
 321                 // we have a row which is taller than the workarea. The
 322                 // simplest solution is to move to the next row instead.
 323                 cursorDown(cur);
 324         }
 325
 326         cur.bv().updateScrollbar();
 327         finishUndo();
 328 }
 329
 330
 331 namespace {
 332
 333 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 334 {
 335         lyx::cap::replaceSelection(cur);
 336         cur.insert(new InsetSpecialChar(kind));
 337 }
 338
 339
 340 void doInsertInset(LCursor & cur, LyXText * text,
 341         FuncRequest const & cmd, bool edit, bool pastesel)
 342 {
 343         InsetBase * inset = createInset(&cur.bv(), cmd);
 344         if (!inset)
 345                 return;
 346
 347         recordUndo(cur);
 348         bool gotsel = false;
 349         if (cur.selection()) {
 350                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 351                 gotsel = true;
 352         }
 353         text->insertInset(cur, inset);
 354         if (edit)
 355                 inset->edit(cur, true);
 356         if (gotsel && pastesel)
 357                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 358 }
 359
 360 } // anon namespace
 361
 362
 363 void LyXText::number(LCursor & cur)
 364 {
 365         LyXFont font(LyXFont::ALL_IGNORE);
 366         font.setNumber(LyXFont::TOGGLE);
 367         toggleAndShow(cur, this, font);
 368 }
 369
 370
 371 bool LyXText::isRTL(Paragraph const & par) const
 372 {
 373         return par.isRightToLeftPar(bv()->buffer()->params());
 374 }
 375
 376
 377 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 378 {
 379         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 380         //lyxerr << "*** LyXText::dispatch: cmd: " << cmd << endl;
 381
 382         BOOST_ASSERT(cur.text() == this);
 383         BufferView * bv = &cur.bv();
 384         CursorSlice sl = cur.top();
 385         bool sel = cur.selection();
 386         bool moving = false;
 387
 388         switch (cmd.action) {
 389
 390         case LFUN_APPENDIX: {
 391                 Paragraph & par = cur.paragraph();
 392                 bool start = !par.params().startOfAppendix();
 393
 394                 // ensure that we have only one start_of_appendix in this document
 395                 for (par_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 396                         if (pars_[tmp].params().startOfAppendix()) {
 397                                 recUndo(tmp);
 398                                 pars_[tmp].params().startOfAppendix(false);
 399                                 redoParagraph(tmp);
 400                                 break;
 401                         }
 402                 }
 403
 404                 recordUndo(cur);
 405                 par.params().startOfAppendix(start);
 406
 407                 // we can set the refreshing parameters now
 408                 updateCounters();
 409                 redoParagraph(cur);
 410                 break;
 411         }
 412
 413         case LFUN_DELETE_WORD_FORWARD:
 414                 cur.clearSelection();
 415                 deleteWordForward(cur);
 416                 finishChange(cur, false);
 417                 break;
 418
 419         case LFUN_DELETE_WORD_BACKWARD:
 420                 cur.clearSelection();
 421                 deleteWordBackward(cur);
 422                 finishChange(cur, false);
 423                 break;
 424
 425         case LFUN_DELETE_LINE_FORWARD:
 426                 cur.clearSelection();
 427                 deleteLineForward(cur);
 428                 finishChange(cur, false);
 429                 break;
 430
 431         case LFUN_WORDRIGHT:
 432                 moving = true;
 433                 if (!cur.mark())
 434                         cur.clearSelection();
 435                 if (isRTL(cur.paragraph()))
 436                         cursorLeftOneWord(cur);
 437                 else
 438                         cursorRightOneWord(cur);
 439                 finishChange(cur, false);
 440                 break;
 441
 442         case LFUN_WORDLEFT:
 443                 moving = true;
 444                 if (!cur.mark())
 445                         cur.clearSelection();
 446                 if (isRTL(cur.paragraph()))
 447                         cursorRightOneWord(cur);
 448                 else
 449                         cursorLeftOneWord(cur);
 450                 finishChange(cur, false);
 451                 break;
 452
 453         case LFUN_BEGINNINGBUF:
 454                 if (!cur.mark())
 455                         cur.clearSelection();
 456                 cursorTop(cur);
 457                 finishChange(cur, false);
 458                 break;
 459
 460         case LFUN_ENDBUF:
 461                 if (!cur.mark())
 462                         cur.clearSelection();
 463                 cursorBottom(cur);
 464                 finishChange(cur, false);
 465                 break;
 466
 467         case LFUN_RIGHT:
 468                 moving = true;
 469         case LFUN_RIGHTSEL:
 470                 //lyxerr << "handle LFUN_RIGHT[SEL]:\n" << cur << endl;
 471                 cur.selHandle(cmd.action == LFUN_RIGHTSEL);
 472                 if (isRTL(cur.paragraph()))
 473                         cursorLeft(cur);
 474                 else
 475                         cursorRight(cur);
 476                 if (sl == cur.top()) {
 477                         cur.undispatched();
 478                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 479                 }
 480                 break;
 481
 482         case LFUN_LEFT:
 483                 moving = true;
 484         case LFUN_LEFTSEL:
 485                 //lyxerr << "handle LFUN_LEFT[SEL]:\n" << cur << endl;
 486                 cur.selHandle(cmd.action == LFUN_LEFTSEL);
 487                 if (isRTL(cur.paragraph()))
 488                         cursorRight(cur);
 489                 else
 490                         cursorLeft(cur);
 491                 if (sl == cur.top()) {
 492                         cur.undispatched();
 493                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 494                 }
 495                 break;
 496
 497         case LFUN_UP:
 498                 moving = true;
 499         case LFUN_UPSEL:
 500                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 501                 cur.selHandle(cmd.action == LFUN_UPSEL);
 502                 cursorUp(cur);
 503                 if (sl == cur.top()) {
 504                         cur.undispatched();
 505                         cmd = FuncRequest(LFUN_FINISHED_UP);
 506                 }
 507                 break;
 508
 509         case LFUN_DOWN:
 510                 moving = true;
 511         case LFUN_DOWNSEL:
 512                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 513                 cur.selHandle(cmd.action == LFUN_DOWNSEL);
 514                 cursorDown(cur);
 515                 if (sl == cur.top()) {
 516                         cur.undispatched();
 517                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 518                 }
 519                 break;
 520
 521         case LFUN_UP_PARAGRAPHSEL:
 522                 if (!cur.selection())
 523                         cur.resetAnchor();
 524                 cursorUpParagraph(cur);
 525                 finishChange(cur, true);
 526                 break;
 527
 528         case LFUN_DOWN_PARAGRAPHSEL:
 529                 if (!cur.selection())
 530                         cur.resetAnchor();
 531                 cursorDownParagraph(cur);
 532                 finishChange(cur, true);
 533                 break;
 534
 535         case LFUN_PRIORSEL:
 536                 if (!cur.selection())
 537                         cur.resetAnchor();
 538                 cursorPrevious(cur);
 539                 finishChange(cur, true);
 540                 break;
 541
 542         case LFUN_NEXTSEL:
 543                 if (!cur.selection())
 544                         cur.resetAnchor();
 545                 cursorNext(cur);
 546                 finishChange(cur, true);
 547                 break;
 548
 549         case LFUN_HOMESEL:
 550                 if (!cur.selection())
 551                         cur.resetAnchor();
 552                 cursorHome(cur);
 553                 finishChange(cur, true);
 554                 break;
 555
 556         case LFUN_ENDSEL:
 557                 if (!cur.selection())
 558                         cur.resetAnchor();
 559                 cursorEnd(cur);
 560                 finishChange(cur, true);
 561                 break;
 562
 563         case LFUN_WORDRIGHTSEL:
 564                 if (!cur.selection())
 565                         cur.resetAnchor();
 566                 if (isRTL(cur.paragraph()))
 567                         cursorLeftOneWord(cur);
 568                 else
 569                         cursorRightOneWord(cur);
 570                 finishChange(cur, true);
 571                 break;
 572
 573         case LFUN_WORDLEFTSEL:
 574                 if (!cur.selection())
 575                         cur.resetAnchor();
 576                 if (isRTL(cur.paragraph()))
 577                         cursorRightOneWord(cur);
 578                 else
 579                         cursorLeftOneWord(cur);
 580                 finishChange(cur, true);
 581                 break;
 582
 583         case LFUN_WORDSEL: {
 584                 selectWord(cur, lyx::WHOLE_WORD);
 585                 finishChange(cur, true);
 586                 break;
 587         }
 588
 589         case LFUN_UP_PARAGRAPH:
 590                 moving = true;
 591                 if (!cur.mark())
 592                         cur.clearSelection();
 593                 cursorUpParagraph(cur);
 594                 finishChange(cur, false);
 595                 break;
 596
 597         case LFUN_DOWN_PARAGRAPH:
 598                 moving = true;
 599                 if (!cur.mark())
 600                         cur.clearSelection();
 601                 cursorDownParagraph(cur);
 602                 finishChange(cur, false);
 603                 break;
 604
 605         case LFUN_PRIOR:
 606                 moving = true;
 607                 if (!cur.mark())
 608                         cur.clearSelection();
 609                 finishChange(cur, false);
 610                 if (cur.par() == 0 && cur.textRow().pos() == 0) {
 611                         cur.undispatched();
 612                         cmd = FuncRequest(LFUN_FINISHED_UP);
 613                 } else {
 614                         cursorPrevious(cur);
 615                 }
 616                 break;
 617
 618         case LFUN_NEXT:
 619                 moving = true;
 620                 if (!cur.mark())
 621                         cur.clearSelection();
 622                 finishChange(cur, false);
 623                 if (cur.par() == cur.lastpar()
 624                           && cur.textRow().endpos() == cur.lastpos()) {
 625                         cur.undispatched();
 626                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 627                 } else {
 628                         cursorNext(cur);
 629                 }
 630                 break;
 631
 632         case LFUN_HOME:
 633                 if (!cur.mark())
 634                         cur.clearSelection();
 635                 cursorHome(cur);
 636                 finishChange(cur, false);
 637                 break;
 638
 639         case LFUN_END:
 640                 if (!cur.mark())
 641                         cur.clearSelection();
 642                 cursorEnd(cur);
 643                 finishChange(cur, false);
 644                 break;
 645
 646         case LFUN_BREAKLINE: {
 647                 // Not allowed by LaTeX (labels or empty par)
 648                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 649                         lyx::cap::replaceSelection(cur);
 650                         cur.insert(new InsetNewline);
 651                         moveCursor(cur, false);
 652                 }
 653                 break;
 654         }
 655
 656         case LFUN_DELETE:
 657                 if (!cur.selection()) {
 658                         Delete(cur);
 659                         cur.resetAnchor();
 660                         // It is possible to make it a lot faster still
 661                         // just comment out the line below...
 662                 } else {
 663                         cutSelection(cur, true, false);
 664                 }
 665                 moveCursor(cur, false);
 666                 break;
 667
 668         case LFUN_DELETE_SKIP:
 669                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 670                 if (!cur.selection()) {
 671                         if (cur.pos() == cur.lastpos()) {
 672                                 cursorRight(cur);
 673                                 cursorLeft(cur);
 674                         }
 675                         Delete(cur);
 676                         cur.resetAnchor();
 677                 } else {
 678                         cutSelection(cur, true, false);
 679                 }
 680                 break;
 681
 682
 683         case LFUN_BACKSPACE:
 684                 if (!cur.selection()) {
 685                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 686                                 backspace(cur);
 687                                 cur.resetAnchor();
 688                                 // It is possible to make it a lot faster still
 689                                 // just comment out the line below...
 690                         }
 691                 } else {
 692                         cutSelection(cur, true, false);
 693                 }
 694                 bv->switchKeyMap();
 695                 break;
 696
 697         case LFUN_BACKSPACE_SKIP:
 698                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 699                 if (!cur.selection()) {
 700 #ifdef WITH_WARNINGS
 701 #warning look here
 702 #endif
 703                         //CursorSlice cur = cursor();
 704                         backspace(cur);
 705                         //anchor() = cur;
 706                 } else {
 707                         cutSelection(cur, true, false);
 708                 }
 709                 break;
 710
 711         case LFUN_BREAKPARAGRAPH:
 712                 lyx::cap::replaceSelection(cur);
 713                 breakParagraph(cur, 0);
 714                 cur.resetAnchor();
 715                 bv->switchKeyMap();
 716                 break;
 717
 718         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 719                 lyx::cap::replaceSelection(cur);
 720                 breakParagraph(cur, 1);
 721                 cur.resetAnchor();
 722                 bv->switchKeyMap();
 723                 break;
 724
 725         case LFUN_BREAKPARAGRAPH_SKIP: {
 726                 // When at the beginning of a paragraph, remove
 727                 // indentation.  Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 728                 lyx::cap::replaceSelection(cur);
 729                 if (cur.pos() == 0)
 730                         cur.paragraph().params().labelWidthString(string());
 731                 else
 732                         breakParagraph(cur, 0);
 733                 cur.resetAnchor();
 734                 bv->switchKeyMap();
 735                 break;
 736         }
 737
 738         case LFUN_PARAGRAPH_SPACING: {
 739                 Paragraph & par = cur.paragraph();
 740                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 741                 float cur_value = 1.0;
 742                 if (cur_spacing == Spacing::Other)
 743                         cur_value = par.params().spacing().getValue();
 744
 745                 istringstream is(cmd.argument);
 746                 string tmp;
 747                 is >> tmp;
 748                 Spacing::Space new_spacing = cur_spacing;
 749                 float new_value = cur_value;
 750                 if (tmp.empty()) {
 751                         lyxerr << "Missing argument to `paragraph-spacing'"
 752                                << endl;
 753                 } else if (tmp == "single") {
 754                         new_spacing = Spacing::Single;
 755                 } else if (tmp == "onehalf") {
 756                         new_spacing = Spacing::Onehalf;
 757                 } else if (tmp == "double") {
 758                         new_spacing = Spacing::Double;
 759                 } else if (tmp == "other") {
 760                         new_spacing = Spacing::Other;
 761                         float tmpval = 0.0;
 762                         is >> tmpval;
 763                         lyxerr << "new_value = " << tmpval << endl;
 764                         if (tmpval != 0.0)
 765                                 new_value = tmpval;
 766                 } else if (tmp == "default") {
 767                         new_spacing = Spacing::Default;
 768                 } else {
 769                         lyxerr << _("Unknown spacing argument: ")
 770                                << cmd.argument << endl;
 771                 }
 772                 if (cur_spacing != new_spacing || cur_value != new_value) {
 773                         par.params().spacing(Spacing(new_spacing, new_value));
 774                         redoParagraph(cur);
 775                 }
 776                 break;
 777         }
 778
 779         case LFUN_INSET_APPLY: {
 780                 string const name = cmd.getArg(0);
 781                 InsetBase * inset = bv->owner()->getDialogs().getOpenInset(name);
 782                 if (inset) {
 783                         FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument);
 784                         inset->dispatch(cur, fr);
 785                 } else {
 786                         FuncRequest fr(LFUN_INSET_INSERT, cmd.argument);
 787                         dispatch(cur, fr);
 788                 }
 789                 break;
 790         }
 791
 792         case LFUN_INSET_INSERT: {
 793                 recordUndo(cur);
 794                 InsetBase * inset = createInset(bv, cmd);
 795                 if (inset)
 796                         insertInset(cur, inset);
 797                 break;
 798         }
 799
 800         case LFUN_INSET_SETTINGS:
 801                 if (cur.inset().asUpdatableInset())
 802                         cur.inset().asUpdatableInset()->showInsetDialog(bv);
 803                 break;
 804
 805         case LFUN_NEXT_INSET_TOGGLE: {
 806                 InsetBase * inset = cur.nextInset();
 807                 if (inset) {
 808                         cur.clearSelection();
 809                         FuncRequest fr = cmd;
 810                         fr.action = LFUN_INSET_TOGGLE;
 811                         inset->dispatch(cur, fr);
 812                 }
 813                 break;
 814         }
 815
 816         case LFUN_KEYMAP_TOGGLE:
 817                 cur.clearSelection();
 818                 bv->switchKeyMap();
 819                 break;
 820
 821         case LFUN_SPACE_INSERT:
 822                 if (cur.paragraph().layout()->free_spacing)
 823                         insertChar(cur, ' ');
 824                 else
 825                         doInsertInset(cur, this, cmd, false, false);
 826                 moveCursor(cur, false);
 827                 break;
 828
 829         case LFUN_HYPHENATION:
 830                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 831                 break;
 832
 833         case LFUN_LIGATURE_BREAK:
 834                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 835                 break;
 836
 837         case LFUN_LDOTS:
 838                 specialChar(cur, InsetSpecialChar::LDOTS);
 839                 break;
 840
 841         case LFUN_END_OF_SENTENCE:
 842                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 843                 break;
 844
 845         case LFUN_MENU_SEPARATOR:
 846                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 847                 break;
 848
 849         case LFUN_UPCASE_WORD:
 850                 changeCase(cur, LyXText::text_uppercase);
 851                 break;
 852
 853         case LFUN_LOWCASE_WORD:
 854                 changeCase(cur, LyXText::text_lowercase);
 855                 break;
 856
 857         case LFUN_CAPITALIZE_WORD:
 858                 changeCase(cur, LyXText::text_capitalization);
 859                 break;
 860
 861         case LFUN_TRANSPOSE_CHARS:
 862                 recordUndo(cur);
 863                 redoParagraph(cur);
 864                 break;
 865
 866         case LFUN_PASTE:
 867                 cur.message(_("Paste"));
 868                 lyx::cap::replaceSelection(cur);
 869 #ifdef WITH_WARNINGS
 870 #warning FIXME Check if the arg is in the domain of available selections.
 871 #endif
 872                 if (isStrUnsignedInt(cmd.argument))
 873                         pasteSelection(cur, strToUnsignedInt(cmd.argument));
 874                 else
 875                         pasteSelection(cur, 0);
 876                 cur.clearSelection(); // bug 393
 877                 bv->switchKeyMap();
 878                 finishUndo();
 879                 break;
 880
 881         case LFUN_CUT:
 882                 cutSelection(cur, true, true);
 883                 cur.message(_("Cut"));
 884                 break;
 885
 886         case LFUN_COPY:
 887                 copySelection(cur);
 888                 cur.message(_("Copy"));
 889                 break;
 890
 891         case LFUN_GETXY:
 892                 cur.message(tostr(cursorX(cur.top())) + ' '
 893                           + tostr(cursorY(cur.top())));
 894                 break;
 895
 896         case LFUN_SETXY: {
 897                 int x = 0;
 898                 int y = 0;
 899                 istringstream is(cmd.argument);
 900                 is >> x >> y;
 901                 if (!is)
 902                         lyxerr << "SETXY: Could not parse coordinates in '"
 903                                << cmd.argument << std::endl;
 904                 else
 905                         setCursorFromCoordinates(cur, x, y);
 906                 break;
 907         }
 908
 909         case LFUN_GETFONT:
 910                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 911                         cur.message("E");
 912                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 913                         cur.message("N");
 914                 else
 915                         cur.message("0");
 916                 break;
 917
 918         case LFUN_GETLAYOUT:
 919                 cur.message(cur.paragraph().layout()->name());
 920                 break;
 921
 922         case LFUN_LAYOUT: {
 923                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 924                   << cmd.argument << endl;
 925
 926                 // This is not the good solution to the empty argument
 927                 // problem, but it will hopefully suffice for 1.2.0.
 928                 // The correct solution would be to augument the
 929                 // function list/array with information about what
 930                 // functions needs arguments and their type.
 931                 if (cmd.argument.empty()) {
 932                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 933                         break;
 934                 }
 935
 936                 // Derive layout number from given argument (string)
 937                 // and current buffer's textclass (number)
 938                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 939                 bool hasLayout = tclass.hasLayout(cmd.argument);
 940                 string layout = cmd.argument;
 941
 942                 // If the entry is obsolete, use the new one instead.
 943                 if (hasLayout) {
 944                         string const & obs = tclass[layout]->obsoleted_by();
 945                         if (!obs.empty())
 946                                 layout = obs;
 947                 }
 948
 949                 if (!hasLayout) {
 950                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 951                                 N_(" not known"));
 952                         break;
 953                 }
 954
 955                 bool change_layout = (current_layout != layout);
 956
 957                 if (!change_layout && cur.selection() &&
 958                         cur.selBegin().par() != cur.selEnd().par())
 959                 {
 960                         par_type spit = cur.selBegin().par();
 961                         par_type epit = cur.selEnd().par() + 1;
 962                         while (spit != epit) {
 963                                 if (pars_[spit].layout()->name() != current_layout) {
 964                                         change_layout = true;
 965                                         break;
 966                                 }
 967                                 ++spit;
 968                         }
 969                 }
 970
 971                 if (change_layout) {
 972                         current_layout = layout;
 973                         setLayout(cur, layout);
 974                         bv->owner()->setLayout(layout);
 975                         bv->switchKeyMap();
 976                 }
 977                 break;
 978         }
 979
 980         case LFUN_PASTESELECTION: {
 981                 cur.clearSelection();
 982                 string const clip = bv->getClipboard();
 983                 if (!clip.empty()) {
 984                         if (cmd.argument == "paragraph")
 985                                 insertStringAsParagraphs(cur, clip);
 986                         else
 987                                 insertStringAsLines(cur, clip);
 988                 }
 989                 break;
 990         }
 991
 992         case LFUN_GOTOERROR:
 993                 gotoInset(cur, InsetBase::ERROR_CODE, false);
 994                 break;
 995
 996         case LFUN_GOTONOTE:
 997                 gotoInset(cur, InsetBase::NOTE_CODE, false);
 998                 break;
 999
1000         case LFUN_REFERENCE_GOTO: {
1001                 vector<InsetOld_code> tmp;
1002                 tmp.push_back(InsetBase::LABEL_CODE);
1003                 tmp.push_back(InsetBase::REF_CODE);
1004                 gotoInset(cur, tmp, true);
1005                 break;
1006         }
1007
1008         case LFUN_QUOTE: {
1009                 lyx::cap::replaceSelection(cur);
1010                 Paragraph & par = cur.paragraph();
1011                 lyx::pos_type pos = cur.pos();
1012                 char c;
1013                 if (pos == 0)
1014                         c = ' ';
1015                 else if (cur.prevInset() && cur.prevInset()->isSpace())
1016                         c = ' ';
1017                 else
1018                         c = par.getChar(pos - 1);
1019
1020                 LyXLayout_ptr const & style = par.layout();
1021
1022                 BufferParams const & bufparams = bv->buffer()->params();
1023                 if (!style->pass_thru
1024                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1025                         string arg = cmd.argument;
1026                         if (arg == "single")
1027                                 cur.insert(new InsetQuotes(c,
1028                                     bufparams.quotes_language,
1029                                     InsetQuotes::SingleQ));
1030                         else if (arg == "double")
1031                                 cur.insert(new InsetQuotes(c,
1032                                     bufparams.quotes_language,
1033                                     InsetQuotes::DoubleQ));
1034                         else
1035                                 cur.insert(new InsetQuotes(c, bufparams));
1036                 }
1037                 else
1038                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1039                 break;
1040         }
1041
1042         case LFUN_DATE_INSERT: {
1043                 lyx::cap::replaceSelection(cur);
1044                 time_t now_time_t = time(NULL);
1045                 struct tm * now_tm = localtime(&now_time_t);
1046                 setlocale(LC_TIME, "");
1047                 string arg;
1048                 if (!cmd.argument.empty())
1049                         arg = cmd.argument;
1050                 else
1051                         arg = lyxrc.date_insert_format;
1052                 char datetmp[32];
1053                 int const datetmp_len =
1054                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1055
1056                 for (int i = 0; i < datetmp_len; i++)
1057                         insertChar(cur, datetmp[i]);
1058
1059                 cur.resetAnchor();
1060                 moveCursor(cur, false);
1061                 break;
1062         }
1063
1064         case LFUN_MOUSE_TRIPLE:
1065                 if (cmd.button() == mouse_button::button1) {
1066                         selection_possible = true;
1067                         cursorHome(cur);
1068                         cur.resetAnchor();
1069                         cursorEnd(cur);
1070                         cur.setSelection();
1071                         bv->haveSelection(cur.selection());
1072                 }
1073                 break;
1074
1075         case LFUN_MOUSE_DOUBLE:
1076                 if (cmd.button() == mouse_button::button1) {
1077                         selection_possible = true;
1078                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
1079                         bv->haveSelection(cur.selection());
1080                 }
1081                 break;
1082
1083         case LFUN_MOUSE_MOTION: {
1084                 // Only use motion with button 1
1085                 //if (cmd.button() != mouse_button::button1)
1086                 //      return false;
1087                 // We want to use only motion events for which
1088                 // the button press event was on the drawing area too.
1089                 if (!selection_possible) {
1090                         lyxerr[Debug::ACTION] << "BufferView::Pimpl::"
1091                                 "dispatch: no selection possible\n";
1092                         lyxerr << "BufferView::Pimpl::dispatch: no selection possible\n";
1093                         break;
1094                 }
1095
1096                 // ignore motions deeper nested than the real anchor
1097                 LCursor & bvcur = cur.bv().cursor();
1098                 if (bvcur.selection() && bvcur.anchor_.size() < cur.size())
1099                         break;
1100
1101                 CursorSlice old = cur.top();
1102                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
1103
1104                 // This is to allow jumping over large insets
1105                 // FIXME: shouldn't be top-text-specific
1106                 if (isMainText() && cur.top() == old) {
1107                         if (cmd.y - bv->top_y() >= bv->workHeight())
1108                                 cursorDown(cur);
1109                         else if (cmd.y - bv->top_y() < 0)
1110                                 cursorUp(cur);
1111                 }
1112
1113                 // don't set anchor_
1114                 bv->cursor().setCursor(cur, true);
1115                 lyxerr << "MOTION: " << bv->cursor() << endl;
1116                 break;
1117         }
1118
1119         // Single-click on work area
1120         case LFUN_MOUSE_PRESS: {
1121                 // ok ok, this is a hack (for xforms)
1122                 // We shouldn't go further down as we really need to. Only do the
1123                 // scrolling and be done with this. Otherwise we may open some
1124                 // dialogs (Jug 20020424).
1125                 if (cmd.button() == mouse_button::button4) {
1126                         bv->scroll(-lyxrc.wheel_jump);
1127                         break;
1128                 }
1129
1130                 if (cmd.button() == mouse_button::button5) {
1131                         bv->scroll(lyxrc.wheel_jump);
1132                         break;
1133                 }
1134
1135                 // Right click on a footnote flag opens float menu
1136                 if (cmd.button() == mouse_button::button3) {
1137                         cur.clearSelection();
1138                         selection_possible = false;
1139                         break;
1140                 }
1141
1142                 // Middle button press pastes if we have a selection
1143                 // We do this here as if the selection was inside an inset
1144                 // it could get cleared on the unlocking of the inset so
1145                 // we have to check this first
1146                 bool paste_internally = false;
1147                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1148                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1149                         paste_internally = true;
1150                 }
1151
1152                 selection_possible = true;
1153
1154                 // Clear the selection
1155                 cur.clearSelection();
1156
1157                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
1158                 cur.resetAnchor();
1159                 finishUndo();
1160                 cur.x_target() = cursorX(cur.top());
1161
1162                 // Has the cursor just left the inset?
1163                 if (bv->cursor().inMathed() && !cur.inMathed())
1164                         bv->cursor().inset().notifyCursorLeaves(bv->cursor());
1165
1166                 // Set cursor here.
1167                 bv->cursor() = cur;
1168
1169                 // Don't allow selection after a big jump.
1170                 if (bv->fitCursor())
1171                         selection_possible = false;
1172
1173                 // Insert primary selection with middle mouse
1174                 // if there is a local selection in the current buffer,
1175                 // insert this
1176                 if (cmd.button() == mouse_button::button2) {
1177                         if (paste_internally)
1178                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1179                         else
1180                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1181                         selection_possible = false;
1182                 }
1183
1184                 break;
1185         }
1186
1187         case LFUN_MOUSE_RELEASE: {
1188                 // do nothing if we used the mouse wheel
1189                 if (cmd.button() == mouse_button::button4
1190                  || cmd.button() == mouse_button::button5) {
1191                         cur.undispatched();
1192                         break;
1193                 }
1194
1195                 selection_possible = false;
1196
1197                 if (cmd.button() == mouse_button::button2)
1198                         break;
1199
1200                 // finish selection
1201                 if (cmd.button() == mouse_button::button1)
1202                         bv->haveSelection(cur.selection());
1203
1204                 bv->switchKeyMap();
1205                 bv->owner()->updateMenubar();
1206                 bv->owner()->updateToolbars();
1207                 break;
1208         }
1209
1210         case LFUN_SELFINSERT: {
1211                 if (cmd.argument.empty())
1212                         break;
1213
1214                 // Automatically delete the currently selected
1215                 // text and replace it with what is being
1216                 // typed in now. Depends on lyxrc settings
1217                 // "auto_region_delete", which defaults to
1218                 // true (on).
1219
1220                 if (lyxrc.auto_region_delete) {
1221                         if (cur.selection())
1222                                 cutSelection(cur, false, false);
1223                         bv->haveSelection(false);
1224                 }
1225
1226                 cur.clearSelection();
1227                 LyXFont const old_font = real_current_font;
1228
1229                 string::const_iterator cit = cmd.argument.begin();
1230                 string::const_iterator end = cmd.argument.end();
1231                 for (; cit != end; ++cit)
1232                         bv->owner()->getIntl().getTransManager().
1233                                 TranslateAndInsert(*cit, this);
1234
1235                 cur.resetAnchor();
1236                 moveCursor(cur, false);
1237
1238                 // real_current_font.number can change so we need to
1239                 // update the minibuffer
1240                 if (old_font != real_current_font)
1241                 bv->updateScrollbar();
1242                 break;
1243         }
1244
1245         case LFUN_URL: {
1246                 InsetCommandParams p("url");
1247                 string const data = InsetCommandMailer::params2string("url", p);
1248                 bv->owner()->getDialogs().show("url", data, 0);
1249                 break;
1250         }
1251
1252         case LFUN_HTMLURL: {
1253                 InsetCommandParams p("htmlurl");
1254                 string const data = InsetCommandMailer::params2string("url", p);
1255                 bv->owner()->getDialogs().show("url", data, 0);
1256                 break;
1257         }
1258
1259         case LFUN_INSERT_LABEL: {
1260                 // Try to generate a valid label
1261                 string const contents = cmd.argument.empty() ?
1262                         cur.getPossibleLabel() : cmd.argument;
1263
1264                 InsetCommandParams p("label", contents);
1265                 string const data = InsetCommandMailer::params2string("label", p);
1266
1267                 if (cmd.argument.empty()) {
1268                         bv->owner()->getDialogs().show("label", data, 0);
1269                 } else {
1270                         FuncRequest fr(LFUN_INSET_INSERT, data);
1271                         dispatch(cur, fr);
1272                 }
1273                 break;
1274         }
1275
1276
1277 #if 0
1278         case LFUN_INSET_LIST:
1279         case LFUN_INSET_THEOREM:
1280         case LFUN_INSET_CAPTION:
1281 #endif
1282         case LFUN_INSERT_NOTE:
1283         case LFUN_INSERT_CHARSTYLE:
1284         case LFUN_INSERT_BOX:
1285         case LFUN_INSERT_BRANCH:
1286         case LFUN_INSERT_BIBITEM:
1287         case LFUN_INSET_ERT:
1288         case LFUN_INSET_FLOAT:
1289         case LFUN_INSET_FOOTNOTE:
1290         case LFUN_INSET_MARGINAL:
1291         case LFUN_INSET_OPTARG:
1292         case LFUN_INSET_WIDE_FLOAT:
1293         case LFUN_INSET_WRAP:
1294         case LFUN_TABULAR_INSERT:
1295         case LFUN_ENVIRONMENT_INSERT:
1296                 // Open the inset, and move the current selection
1297                 // inside it.
1298                 doInsertInset(cur, this, cmd, true, true);
1299                 break;
1300
1301         case LFUN_INDEX_INSERT:
1302                 // Just open the inset
1303                 doInsertInset(cur, this, cmd, true, false);
1304                 break;
1305
1306         case LFUN_INDEX_PRINT:
1307         case LFUN_TOC_INSERT:
1308         case LFUN_HFILL:
1309         case LFUN_INSERT_LINE:
1310         case LFUN_INSERT_PAGEBREAK:
1311                 // do nothing fancy
1312                 doInsertInset(cur, this, cmd, false, false);
1313                 break;
1314
1315         case LFUN_DEPTH_MIN:
1316                 changeDepth(cur, DEC_DEPTH);
1317                 break;
1318
1319         case LFUN_DEPTH_PLUS:
1320                 changeDepth(cur, INC_DEPTH);
1321                 break;
1322
1323         case LFUN_MATH_DISPLAY:
1324                 mathDispatch(cur, cmd, true);
1325                 break;
1326
1327         case LFUN_MATH_IMPORT_SELECTION:
1328         case LFUN_MATH_MODE:
1329                 mathDispatch(cur, cmd, false);
1330                 break;
1331
1332         case LFUN_MATH_MACRO:
1333                 if (cmd.argument.empty())
1334                         cur.errorMessage(N_("Missing argument"));
1335                 else {
1336                         string s = cmd.argument;
1337                         string const s1 = token(s, ' ', 1);
1338                         int const nargs = s1.empty() ? 0 : atoi(s1);
1339                         string const s2 = token(s, ' ', 2);
1340                         string const type = s2.empty() ? "newcommand" : s2;
1341                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, s2));
1342                         //cur.nextInset()->edit(cur, true);
1343                 }
1344                 break;
1345
1346         case LFUN_INSERT_MATH:
1347         case LFUN_INSERT_MATRIX:
1348         case LFUN_MATH_DELIM: {
1349                 cur.insert(new MathHullInset);
1350                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1351                 cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
1352                 cur.dispatch(cmd);
1353                 break;
1354         }
1355
1356         case LFUN_EMPH: {
1357                 LyXFont font(LyXFont::ALL_IGNORE);
1358                 font.setEmph(LyXFont::TOGGLE);
1359                 toggleAndShow(cur, this, font);
1360                 break;
1361         }
1362
1363         case LFUN_BOLD: {
1364                 LyXFont font(LyXFont::ALL_IGNORE);
1365                 font.setSeries(LyXFont::BOLD_SERIES);
1366                 toggleAndShow(cur, this, font);
1367                 break;
1368         }
1369
1370         case LFUN_NOUN: {
1371                 LyXFont font(LyXFont::ALL_IGNORE);
1372                 font.setNoun(LyXFont::TOGGLE);
1373                 toggleAndShow(cur, this, font);
1374                 break;
1375         }
1376
1377         case LFUN_CODE: {
1378                 LyXFont font(LyXFont::ALL_IGNORE);
1379                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1380                 toggleAndShow(cur, this, font);
1381                 break;
1382         }
1383
1384         case LFUN_SANS: {
1385                 LyXFont font(LyXFont::ALL_IGNORE);
1386                 font.setFamily(LyXFont::SANS_FAMILY);
1387                 toggleAndShow(cur, this, font);
1388                 break;
1389         }
1390
1391         case LFUN_ROMAN: {
1392                 LyXFont font(LyXFont::ALL_IGNORE);
1393                 font.setFamily(LyXFont::ROMAN_FAMILY);
1394                 toggleAndShow(cur, this, font);
1395                 break;
1396         }
1397
1398         case LFUN_DEFAULT: {
1399                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1400                 toggleAndShow(cur, this, font);
1401                 break;
1402         }
1403
1404         case LFUN_UNDERLINE: {
1405                 LyXFont font(LyXFont::ALL_IGNORE);
1406                 font.setUnderbar(LyXFont::TOGGLE);
1407                 toggleAndShow(cur, this, font);
1408                 break;
1409         }
1410
1411         case LFUN_FONT_SIZE: {
1412                 LyXFont font(LyXFont::ALL_IGNORE);
1413                 font.setLyXSize(cmd.argument);
1414                 toggleAndShow(cur, this, font);
1415                 break;
1416         }
1417
1418         case LFUN_LANGUAGE: {
1419                 Language const * lang = languages.getLanguage(cmd.argument);
1420                 if (!lang)
1421                         break;
1422                 LyXFont font(LyXFont::ALL_IGNORE);
1423                 font.setLanguage(lang);
1424                 toggleAndShow(cur, this, font);
1425                 bv->switchKeyMap();
1426                 break;
1427         }
1428
1429         case LFUN_FREEFONT_APPLY:
1430                 toggleAndShow(cur, this, freefont, toggleall);
1431                 cur.message(_("Character set"));
1432                 break;
1433
1434         // Set the freefont using the contents of \param data dispatched from
1435         // the frontends and apply it at the current cursor location.
1436         case LFUN_FREEFONT_UPDATE: {
1437                 LyXFont font;
1438                 bool toggle;
1439                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1440                         freefont = font;
1441                         toggleall = toggle;
1442                         toggleAndShow(cur, this, freefont, toggleall);
1443                         cur.message(_("Character set"));
1444                 }
1445                 break;
1446         }
1447
1448         case LFUN_FINISHED_LEFT:
1449                 lyxerr << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1450                 break;
1451
1452         case LFUN_FINISHED_RIGHT:
1453                 lyxerr << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1454                 ++cur.pos();
1455                 break;
1456
1457         case LFUN_FINISHED_UP:
1458                 lyxerr << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1459                 cursorUp(cur);
1460                 break;
1461
1462         case LFUN_FINISHED_DOWN:
1463                 lyxerr << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1464                 cursorDown(cur);
1465                 break;
1466
1467         case LFUN_LAYOUT_PARAGRAPH: {
1468                 string data;
1469                 params2string(cur.paragraph(), data);
1470                 data = "show\n" + data;
1471                 bv->owner()->getDialogs().show("paragraph", data);
1472                 break;
1473         }
1474
1475         case LFUN_PARAGRAPH_UPDATE: {
1476                 if (!bv->owner()->getDialogs().visible("paragraph"))
1477                         break;
1478                 string data;
1479                 params2string(cur.paragraph(), data);
1480
1481                 // Will the paragraph accept changes from the dialog?
1482                 InsetBase & inset = cur.inset();
1483                 bool const accept = !inset.forceDefaultParagraphs(&inset);
1484
1485                 data = "update " + tostr(accept) + '\n' + data;
1486                 bv->owner()->getDialogs().update("paragraph", data);
1487                 break;
1488         }
1489
1490         case LFUN_UMLAUT:
1491         case LFUN_CIRCUMFLEX:
1492         case LFUN_GRAVE:
1493         case LFUN_ACUTE:
1494         case LFUN_TILDE:
1495         case LFUN_CEDILLA:
1496         case LFUN_MACRON:
1497         case LFUN_DOT:
1498         case LFUN_UNDERDOT:
1499         case LFUN_UNDERBAR:
1500         case LFUN_CARON:
1501         case LFUN_SPECIAL_CARON:
1502         case LFUN_BREVE:
1503         case LFUN_TIE:
1504         case LFUN_HUNG_UMLAUT:
1505         case LFUN_CIRCLE:
1506         case LFUN_OGONEK:
1507                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1508                 if (!cmd.argument.empty())
1509                         bv->owner()->getIntl().getTransManager()
1510                                 .TranslateAndInsert(cmd.argument[0], this);
1511                 break;
1512
1513         case LFUN_FLOAT_LIST: {
1514                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1515                 if (tclass.floats().typeExist(cmd.argument)) {
1516                         // not quite sure if we want this...
1517                         recordUndo(cur);
1518                         cur.clearSelection();
1519                         breakParagraph(cur);
1520
1521                         if (cur.lastpos() != 0) {
1522                                 cursorLeft(cur);
1523                                 breakParagraph(cur);
1524                         }
1525
1526                         setLayout(cur, tclass.defaultLayoutName());
1527                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1528                         insertInset(cur, new InsetFloatList(cmd.argument));
1529                 } else {
1530                         lyxerr << "Non-existent float type: "
1531                                << cmd.argument << endl;
1532                 }
1533                 break;
1534         }
1535
1536         case LFUN_ACCEPT_CHANGE: {
1537                 acceptChange(cur);
1538                 break;
1539         }
1540
1541         case LFUN_REJECT_CHANGE: {
1542                 rejectChange(cur);
1543                 break;
1544         }
1545
1546         case LFUN_THESAURUS_ENTRY: {
1547                 string arg = cmd.argument;
1548                 if (arg.empty()) {
1549                         arg = cur.selectionAsString(false);
1550                         // FIXME
1551                         if (arg.size() > 100 || arg.empty()) {
1552                                 // Get word or selection
1553                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1554                                 arg = cur.selectionAsString(false);
1555                         }
1556                 }
1557                 bv->owner()->getDialogs().show("thesaurus", arg);
1558                 break;
1559         }
1560
1561         case LFUN_PARAGRAPH_APPLY: {
1562                 // Given data, an encoding of the ParagraphParameters
1563                 // generated in the Paragraph dialog, this function sets
1564                 // the current paragraph appropriately.
1565                 istringstream is(cmd.argument);
1566                 LyXLex lex(0, 0);
1567                 lex.setStream(is);
1568                 ParagraphParameters params;
1569                 params.read(lex);
1570                 setParagraph(cur,
1571                                          params.spacing(),
1572                                          params.align(),
1573                                          params.labelWidthString(),
1574                                          params.noindent());
1575                 cur.message(_("Paragraph layout set"));
1576                 break;
1577         }
1578
1579         case LFUN_INSET_DIALOG_SHOW: {
1580                 InsetBase * inset = cur.nextInset();
1581                 if (inset) {
1582                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1583                         inset->dispatch(cur, fr);
1584                 }
1585                 break;
1586         }
1587
1588         case LFUN_ESCAPE:
1589                 if (cur.selection()) {
1590                         cur.selection() = false;
1591                 } else {
1592                         cur.undispatched();
1593                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
1594                 }
1595                 break;
1596
1597         default:
1598                 cur.undispatched();
1599                 break;
1600         }
1601
1602         // avoid to update when navigating
1603         if (moving
1604             && &sl.inset() == &cur.inset()
1605             && sl.idx() == cur.idx()
1606             && sel == false
1607             && cur.selection() == false)
1608                 cur.noUpdate();
1609 }
1610
1611
1612 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1613         FuncStatus & flag) const
1614 {
1615         BOOST_ASSERT(cur.text() == this);
1616         LyXFont const & font = real_current_font;
1617         bool enable = true;
1618
1619         switch (cmd.action) {
1620
1621         case LFUN_DEPTH_MIN:
1622                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1623                 break;
1624
1625         case LFUN_DEPTH_PLUS:
1626                 enable = changeDepthAllowed(cur, INC_DEPTH);
1627                 break;
1628
1629         case LFUN_INSET_OPTARG:
1630                 enable = cur.paragraph().layout()->optionalargs;
1631                 break;
1632
1633         case LFUN_APPENDIX:
1634                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1635                 break;
1636
1637 #if 0
1638         // the functions which insert insets
1639         InsetOld::Code code = InsetOld::NO_CODE;
1640         switch (cmd.action) {
1641         case LFUN_DIALOG_SHOW_NEW_INSET:
1642                 if (cmd.argument == "bibitem")
1643                         code = InsetOld::BIBITEM_CODE;
1644                 else if (cmd.argument == "bibtex")
1645                         code = InsetOld::BIBTEX_CODE;
1646                 else if (cmd.argument == "box")
1647                         code = InsetOld::BOX_CODE;
1648                 else if (cmd.argument == "branch")
1649                         code = InsetOld::BRANCH_CODE;
1650                 else if (cmd.argument == "citation")
1651                         code = InsetOld::CITE_CODE;
1652                 else if (cmd.argument == "ert")
1653                         code = InsetOld::ERT_CODE;
1654                 else if (cmd.argument == "external")
1655                         code = InsetOld::EXTERNAL_CODE;
1656                 else if (cmd.argument == "float")
1657                         code = InsetOld::FLOAT_CODE;
1658                 else if (cmd.argument == "graphics")
1659                         code = InsetOld::GRAPHICS_CODE;
1660                 else if (cmd.argument == "include")
1661                         code = InsetOld::INCLUDE_CODE;
1662                 else if (cmd.argument == "index")
1663                         code = InsetOld::INDEX_CODE;
1664                 else if (cmd.argument == "label")
1665                         code = InsetOld::LABEL_CODE;
1666                 else if (cmd.argument == "note")
1667                         code = InsetOld::NOTE_CODE;
1668                 else if (cmd.argument == "ref")
1669                         code = InsetOld::REF_CODE;
1670                 else if (cmd.argument == "toc")
1671                         code = InsetOld::TOC_CODE;
1672                 else if (cmd.argument == "url")
1673                         code = InsetOld::URL_CODE;
1674                 else if (cmd.argument == "vspace")
1675                         code = InsetOld::VSPACE_CODE;
1676                 else if (cmd.argument == "wrap")
1677                         code = InsetOld::WRAP_CODE;
1678                 break;
1679
1680         case LFUN_INSET_ERT:
1681                 code = InsetOld::ERT_CODE;
1682                 break;
1683         case LFUN_INSET_FOOTNOTE:
1684                 code = InsetOld::FOOT_CODE;
1685                 break;
1686         case LFUN_TABULAR_INSERT:
1687                 code = InsetOld::TABULAR_CODE;
1688                 break;
1689         case LFUN_INSET_MARGINAL:
1690                 code = InsetOld::MARGIN_CODE;
1691                 break;
1692         case LFUN_INSET_FLOAT:
1693         case LFUN_INSET_WIDE_FLOAT:
1694                 code = InsetOld::FLOAT_CODE;
1695                 break;
1696         case LFUN_INSET_WRAP:
1697                 code = InsetOld::WRAP_CODE;
1698                 break;
1699         case LFUN_FLOAT_LIST:
1700                 code = InsetOld::FLOAT_LIST_CODE;
1701                 break;
1702 #if 0
1703         case LFUN_INSET_LIST:
1704                 code = InsetOld::LIST_CODE;
1705                 break;
1706         case LFUN_INSET_THEOREM:
1707                 code = InsetOld::THEOREM_CODE;
1708                 break;
1709 #endif
1710         case LFUN_INSET_CAPTION:
1711                 code = InsetOld::CAPTION_CODE;
1712                 break;
1713         case LFUN_INSERT_NOTE:
1714                 code = InsetOld::NOTE_CODE;
1715                 break;
1716         case LFUN_INSERT_CHARSTYLE:
1717                 code = InsetOld::CHARSTYLE_CODE;
1718                 if (buf->params().getLyXTextClass().charstyles().empty())
1719                         enable = false;
1720                 break;
1721         case LFUN_INSERT_BOX:
1722                 code = InsetOld::BOX_CODE;
1723                 break;
1724         case LFUN_INSERT_BRANCH:
1725                 code = InsetOld::BRANCH_CODE;
1726                 if (buf->params().branchlist().empty())
1727                         enable = false;
1728                 break;
1729         case LFUN_INSERT_LABEL:
1730                 code = InsetOld::LABEL_CODE;
1731                 break;
1732         case LFUN_INSET_OPTARG:
1733                 code = InsetOld::OPTARG_CODE;
1734                 break;
1735         case LFUN_ENVIRONMENT_INSERT:
1736                 code = InsetOld::BOX_CODE;
1737                 break;
1738         case LFUN_INDEX_INSERT:
1739                 code = InsetOld::INDEX_CODE;
1740                 break;
1741         case LFUN_INDEX_PRINT:
1742                 code = InsetOld::INDEX_PRINT_CODE;
1743                 break;
1744         case LFUN_TOC_INSERT:
1745                 code = InsetOld::TOC_CODE;
1746                 break;
1747         case LFUN_HTMLURL:
1748         case LFUN_URL:
1749                 code = InsetOld::URL_CODE;
1750                 break;
1751         case LFUN_QUOTE:
1752                 // always allow this, since we will inset a raw quote
1753                 // if an inset is not allowed.
1754                 break;
1755         case LFUN_HYPHENATION:
1756         case LFUN_LIGATURE_BREAK:
1757         case LFUN_HFILL:
1758         case LFUN_MENU_SEPARATOR:
1759         case LFUN_LDOTS:
1760         case LFUN_END_OF_SENTENCE:
1761                 code = InsetOld::SPECIALCHAR_CODE;
1762                 break;
1763         case LFUN_SPACE_INSERT:
1764                 // slight hack: we know this is allowed in math mode
1765                 if (cur.inTexted())
1766                         code = InsetOld::SPACE_CODE;
1767                 break;
1768         case LFUN_INSET_DIALOG_SHOW: {
1769                 InsetBase * inset = cur.nextInset();
1770                 enable = inset;
1771                 if (inset) {
1772                         code = inset->lyxCode();
1773                         if (!(code == InsetOld::INCLUDE_CODE
1774                                 || code == InsetOld::BIBTEX_CODE
1775                                 || code == InsetOld::FLOAT_LIST_CODE
1776                                 || code == InsetOld::TOC_CODE))
1777                                 enable = false;
1778                 }
1779                 break;
1780         }
1781         default:
1782                 break;
1783         }
1784
1785         if (code != InsetOld::NO_CODE
1786                         && (cur.empty() || !cur.inset().insetAllowed(code)))
1787                 enable = false;
1788
1789 #endif
1790
1791         case LFUN_DIALOG_SHOW_NEW_INSET:
1792         case LFUN_INSET_ERT:
1793         case LFUN_INSERT_BOX:
1794         case LFUN_INSERT_BRANCH:
1795         case LFUN_ENVIRONMENT_INSERT:
1796         case LFUN_INDEX_INSERT:
1797         case LFUN_INDEX_PRINT:
1798         case LFUN_TOC_INSERT:
1799         case LFUN_HTMLURL:
1800         case LFUN_URL:
1801         case LFUN_QUOTE:
1802         case LFUN_HYPHENATION:
1803         case LFUN_LIGATURE_BREAK:
1804         case LFUN_HFILL:
1805         case LFUN_MENU_SEPARATOR:
1806         case LFUN_LDOTS:
1807         case LFUN_END_OF_SENTENCE:
1808         case LFUN_SPACE_INSERT:
1809         case LFUN_INSET_DIALOG_SHOW:
1810                 break;
1811
1812         case LFUN_EMPH:
1813                 flag.setOnOff(font.emph() == LyXFont::ON);
1814                 break;
1815
1816         case LFUN_NOUN:
1817                 flag.setOnOff(font.noun() == LyXFont::ON);
1818                 break;
1819
1820         case LFUN_BOLD:
1821                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1822                 break;
1823
1824         case LFUN_SANS:
1825                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1826                 break;
1827
1828         case LFUN_ROMAN:
1829                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1830                 break;
1831
1832         case LFUN_CODE:
1833                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1834                 break;
1835
1836         case LFUN_DELETE_WORD_FORWARD:
1837         case LFUN_DELETE_WORD_BACKWARD:
1838         case LFUN_DELETE_LINE_FORWARD:
1839         case LFUN_WORDRIGHT:
1840         case LFUN_WORDLEFT:
1841         case LFUN_ENDBUF:
1842         case LFUN_BEGINNINGBUF:
1843         case LFUN_RIGHT:
1844         case LFUN_RIGHTSEL:
1845         case LFUN_LEFT:
1846         case LFUN_LEFTSEL:
1847         case LFUN_UP:
1848         case LFUN_UPSEL:
1849         case LFUN_DOWN:
1850         case LFUN_DOWNSEL:
1851         case LFUN_UP_PARAGRAPHSEL:
1852         case LFUN_DOWN_PARAGRAPHSEL:
1853         case LFUN_PRIORSEL:
1854         case LFUN_NEXTSEL:
1855         case LFUN_HOMESEL:
1856         case LFUN_ENDSEL:
1857         case LFUN_WORDRIGHTSEL:
1858         case LFUN_WORDLEFTSEL:
1859         case LFUN_WORDSEL:
1860         case LFUN_UP_PARAGRAPH:
1861         case LFUN_DOWN_PARAGRAPH:
1862         case LFUN_PRIOR:
1863         case LFUN_NEXT:
1864         case LFUN_HOME:
1865         case LFUN_END:
1866         case LFUN_BREAKLINE:
1867         case LFUN_DELETE:
1868         case LFUN_DELETE_SKIP:
1869         case LFUN_BACKSPACE:
1870         case LFUN_BACKSPACE_SKIP:
1871         case LFUN_BREAKPARAGRAPH:
1872         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1873         case LFUN_BREAKPARAGRAPH_SKIP:
1874         case LFUN_PARAGRAPH_SPACING:
1875         case LFUN_INSET_APPLY:
1876         case LFUN_INSET_INSERT:
1877         case LFUN_NEXT_INSET_TOGGLE:
1878         case LFUN_UPCASE_WORD:
1879         case LFUN_LOWCASE_WORD:
1880         case LFUN_CAPITALIZE_WORD:
1881         case LFUN_TRANSPOSE_CHARS:
1882         case LFUN_PASTE:
1883         case LFUN_CUT:
1884         case LFUN_COPY:
1885         case LFUN_GETXY:
1886         case LFUN_SETXY:
1887         case LFUN_GETFONT:
1888         case LFUN_GETLAYOUT:
1889         case LFUN_LAYOUT:
1890         case LFUN_PASTESELECTION:
1891         case LFUN_GOTOERROR:
1892         case LFUN_GOTONOTE:
1893         case LFUN_REFERENCE_GOTO:
1894         case LFUN_DATE_INSERT:
1895         case LFUN_SELFINSERT:
1896         case LFUN_INSERT_LABEL:
1897         case LFUN_INSERT_NOTE:
1898         case LFUN_INSERT_CHARSTYLE:
1899         case LFUN_INSERT_BIBITEM:
1900         case LFUN_INSET_FLOAT:
1901         case LFUN_INSET_FOOTNOTE:
1902         case LFUN_INSET_MARGINAL:
1903         case LFUN_INSET_WIDE_FLOAT:
1904         case LFUN_INSET_WRAP:
1905         case LFUN_TABULAR_INSERT:
1906         case LFUN_INSERT_LINE:
1907         case LFUN_INSERT_PAGEBREAK:
1908         case LFUN_MATH_DISPLAY:
1909         case LFUN_MATH_IMPORT_SELECTION:
1910         case LFUN_MATH_MODE:
1911         case LFUN_MATH_MACRO:
1912         case LFUN_INSERT_MATH:
1913         case LFUN_INSERT_MATRIX:
1914         case LFUN_MATH_DELIM:
1915         case LFUN_DEFAULT:
1916         case LFUN_UNDERLINE:
1917         case LFUN_FONT_SIZE:
1918         case LFUN_LANGUAGE:
1919         case LFUN_FREEFONT_APPLY:
1920         case LFUN_FREEFONT_UPDATE:
1921         case LFUN_LAYOUT_PARAGRAPH:
1922         case LFUN_PARAGRAPH_UPDATE:
1923         case LFUN_UMLAUT:
1924         case LFUN_CIRCUMFLEX:
1925         case LFUN_GRAVE:
1926         case LFUN_ACUTE:
1927         case LFUN_TILDE:
1928         case LFUN_CEDILLA:
1929         case LFUN_MACRON:
1930         case LFUN_DOT:
1931         case LFUN_UNDERDOT:
1932         case LFUN_UNDERBAR:
1933         case LFUN_CARON:
1934         case LFUN_SPECIAL_CARON:
1935         case LFUN_BREVE:
1936         case LFUN_TIE:
1937         case LFUN_HUNG_UMLAUT:
1938         case LFUN_CIRCLE:
1939         case LFUN_OGONEK:
1940         case LFUN_FLOAT_LIST:
1941         case LFUN_ACCEPT_CHANGE:
1942         case LFUN_REJECT_CHANGE:
1943         case LFUN_THESAURUS_ENTRY:
1944         case LFUN_PARAGRAPH_APPLY:
1945         case LFUN_ESCAPE:
1946         case LFUN_KEYMAP_TOGGLE:
1947                 // these are handled in our dispatch()
1948                 enable = true;
1949                 break;
1950
1951         default:
1952                 enable = false;
1953                 break;
1954         }
1955         flag.enabled(enable);
1956         return true;
1957 }