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