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 "coordcache.h"
  27 #include "CutAndPaste.h"
  28 #include "debug.h"
  29 #include "dispatchresult.h"
  30 #include "factory.h"
  31 #include "funcrequest.h"
  32 #include "gettext.h"
  33 #include "intl.h"
  34 #include "language.h"
  35 #include "lyxfunc.h"
  36 #include "lyxlex.h"
  37 #include "lyxrc.h"
  38 #include "lyxrow.h"
  39 #include "paragraph.h"
  40 #include "paragraph_funcs.h"
  41 #include "ParagraphParameters.h"
  42 #include "undo.h"
  43 #include "vspace.h"
  44
  45 #include "frontends/Dialogs.h"
  46 #include "frontends/LyXView.h"
  47
  48 #include "insets/insetcommand.h"
  49 #include "insets/insetfloatlist.h"
  50 #include "insets/insetnewline.h"
  51 #include "insets/insetquotes.h"
  52 #include "insets/insetspecialchar.h"
  53 #include "insets/insettext.h"
  54
  55 #include "support/lstrings.h"
  56 #include "support/lyxlib.h"
  57 #include "support/tostr.h"
  58
  59 #include "mathed/math_hullinset.h"
  60 #include "mathed/math_macrotemplate.h"
  61
  62 #include <clocale>
  63 #include <sstream>
  64
  65 using lyx::pos_type;
  66
  67 using lyx::cap::copySelection;
  68 using lyx::cap::cutSelection;
  69 using lyx::cap::pasteSelection;
  70 using lyx::cap::replaceSelection;
  71
  72 using lyx::support::isStrUnsignedInt;
  73 using lyx::support::strToUnsignedInt;
  74 using lyx::support::atoi;
  75 using lyx::support::token;
  76
  77 using std::endl;
  78 using std::find;
  79 using std::string;
  80 using std::istringstream;
  81 using std::vector;
  82
  83
  84 extern string current_layout;
  85
  86 // the selection possible is needed, that only motion events are
  87 // used, where the button press event was on the drawing area too
  88 bool selection_possible = false;
  89
  90
  91 namespace {
  92
  93         // globals...
  94         LyXFont freefont(LyXFont::ALL_IGNORE);
  95         bool toggleall = false;
  96
  97
  98         void toggleAndShow(LCursor & cur, LyXText * text,
  99                 LyXFont const & font, bool toggleall = true)
 100         {
 101                 text->toggleFree(cur, font, toggleall);
 102
 103                 if (font.language() != ignore_language ||
 104                                 font.number() != LyXFont::IGNORE) {
 105                         Paragraph & par = cur.paragraph();
 106                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 107                         if (cur.boundary() !=
 108                                         text->bidi.isBoundary(cur.buffer(), par,
 109                                                         cur.pos(),
 110                                                         text->real_current_font))
 111                                 text->setCursor(cur, cur.pit(), cur.pos(),
 112                                                 false, !cur.boundary());
 113                 }
 114         }
 115
 116
 117         void moveCursor(LCursor & cur, bool selecting)
 118         {
 119                 if (selecting || cur.mark())
 120                         cur.setSelection();
 121                 if (!cur.selection())
 122                         cur.bv().haveSelection(false);
 123                 cur.bv().switchKeyMap();
 124         }
 125
 126
 127         void finishChange(LCursor & cur, bool selecting)
 128         {
 129                 finishUndo();
 130                 moveCursor(cur, selecting);
 131         }
 132
 133
 134         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 135         {
 136                 recordUndo(cur);
 137                 string sel = cur.selectionAsString(false);
 138                 lyxerr << "selection is: '" << sel << "'" << endl;
 139
 140                 if (sel.empty()) {
 141                         const int old_pos = cur.pos();
 142                         cur.insert(new MathHullInset);
 143                         BOOST_ASSERT(old_pos == cur.pos());
 144                         cur.nextInset()->edit(cur, true);
 145                         cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 146                         // don't do that also for LFUN_MATH_MODE
 147                         // unless you want end up with always changing
 148                         // to mathrm when opening an inlined inset --
 149                         // I really hate "LyXfunc overloading"...
 150                         if (display)
 151                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 152                         cur.dispatch(FuncRequest(LFUN_INSERT_MATH, cmd.argument));
 153                 } else {
 154                         // create a macro if we see "\\newcommand"
 155                         // somewhere, and an ordinary formula
 156                         // otherwise
 157                         cutSelection(cur, true, true);
 158                         if (sel.find("\\newcommand") == string::npos
 159                             && sel.find("\\def") == string::npos)
 160                         {
 161                                 cur.insert(new MathHullInset);
 162                                 cur.dispatch(FuncRequest(LFUN_RIGHT));
 163                                 cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 164                                 cur.dispatch(FuncRequest(LFUN_INSERT_MATH, sel));
 165                         } else {
 166                                 istringstream is(sel);
 167                                 cur.insert(new MathMacroTemplate(is));
 168                         }
 169                 }
 170                 cur.message(N_("Math editor mode"));
 171         }
 172
 173 } // namespace anon
 174
 175
 176
 177 namespace bv_funcs {
 178
 179 string const freefont2string()
 180 {
 181         string data;
 182         if (font2string(freefont, toggleall, data))
 183                 return data;
 184         return string();
 185 }
 186
 187 }
 188
 189 bool LyXText::gotoNextInset(LCursor & cur,
 190         vector<InsetBase_code> const & codes, string const & contents)
 191 {
 192         BOOST_ASSERT(this == cur.text());
 193         pit_type end = paragraphs().size();
 194         pit_type pit = cur.pit();
 195         pos_type pos = cur.pos();
 196
 197         InsetBase * inset;
 198         do {
 199                 if (pos + 1 < pars_[pit].size()) {
 200                         ++pos;
 201                 } else  {
 202                         ++pit;
 203                         pos = 0;
 204                 }
 205
 206         } while (pit != end &&
 207                  !(pars_[pit].isInset(pos) &&
 208                    (inset = pars_[pit].getInset(pos)) != 0 &&
 209                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 210                    (contents.empty() ||
 211                     static_cast<InsetCommand *>(pars_[pit].getInset(pos))->getContents()
 212                     == contents)));
 213
 214         if (pit == end)
 215                 return false;
 216
 217         setCursor(cur, pit, pos, false);
 218         return true;
 219 }
 220
 221
 222 void LyXText::gotoInset(LCursor & cur,
 223         vector<InsetBase_code> const & codes, bool same_content)
 224 {
 225         cur.clearSelection();
 226
 227         string contents;
 228         if (same_content
 229             && cur.pos() < cur.lastpos()
 230             && cur.paragraph().isInset(cur.pos())) {
 231                 InsetBase const * inset = cur.paragraph().getInset(cur.pos());
 232                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 233                     != codes.end())
 234                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 235         }
 236
 237         if (!gotoNextInset(cur, codes, contents)) {
 238                 if (cur.pos() || cur.pit() != 0) {
 239                         CursorSlice tmp = cur.top();
 240                         cur.pit() = 0;
 241                         cur.pos() = 0;
 242                         if (!gotoNextInset(cur, codes, contents)) {
 243                                 cur.top() = tmp;
 244                                 cur.message(_("No more insets"));
 245                         }
 246                 } else {
 247                         cur.message(_("No more insets"));
 248                 }
 249         }
 250         cur.resetAnchor();
 251 }
 252
 253
 254 void LyXText::gotoInset(LCursor & cur, InsetBase_code code, bool same_content)
 255 {
 256         gotoInset(cur, vector<InsetBase_code>(1, code), same_content);
 257 }
 258
 259
 260 void LyXText::cursorPrevious(LCursor & cur)
 261 {
 262         pos_type cpos = cur.pos();
 263         lyx::pit_type cpar = cur.pit();
 264
 265         int x = cur.x_target();
 266
 267         setCursorFromCoordinates(cur, x, 0);
 268         cursorUp(cur);
 269
 270         if (cpar == cur.pit() && cpos == cur.pos()) {
 271                 // we have a row which is taller than the workarea. The
 272                 // simplest solution is to move to the previous row instead.
 273                 cursorUp(cur);
 274         }
 275
 276         cur.bv().updateScrollbar();
 277         finishUndo();
 278 }
 279
 280
 281 void LyXText::cursorNext(LCursor & cur)
 282 {
 283         pos_type cpos = cur.pos();
 284         lyx::pit_type cpar = cur.pit();
 285
 286         int x = cur.x_target();
 287         setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 288         cursorDown(cur);
 289
 290         if (cpar == cur.pit() && cpos == cur.pos()) {
 291                 // we have a row which is taller than the workarea. The
 292                 // simplest solution is to move to the next row instead.
 293                 cursorDown(cur);
 294         }
 295
 296         cur.bv().updateScrollbar();
 297         finishUndo();
 298 }
 299
 300
 301 namespace {
 302
 303 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 304 {
 305         lyx::cap::replaceSelection(cur);
 306         cur.insert(new InsetSpecialChar(kind));
 307         cur.posRight();
 308 }
 309
 310
 311 void doInsertInset(LCursor & cur, LyXText * text,
 312         FuncRequest const & cmd, bool edit, bool pastesel)
 313 {
 314         InsetBase * inset = createInset(&cur.bv(), cmd);
 315         if (!inset)
 316                 return;
 317
 318         recordUndo(cur);
 319         bool gotsel = false;
 320         if (cur.selection()) {
 321                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 322                 gotsel = true;
 323         }
 324         text->insertInset(cur, inset);
 325
 326         if (edit)
 327                 inset->edit(cur, true);
 328
 329         if (gotsel && pastesel)
 330                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 331 }
 332
 333
 334 void update(LCursor & cur)
 335 {
 336         //we don't call update(true, false) directly to save a metrics call
 337         if (cur.bv().fitCursor())
 338                 cur.bv().update(false, true);
 339 }
 340
 341
 342 } // anon namespace
 343
 344
 345 void LyXText::number(LCursor & cur)
 346 {
 347         LyXFont font(LyXFont::ALL_IGNORE);
 348         font.setNumber(LyXFont::TOGGLE);
 349         toggleAndShow(cur, this, font);
 350 }
 351
 352
 353 bool LyXText::isRTL(Paragraph const & par) const
 354 {
 355         return par.isRightToLeftPar(bv()->buffer()->params());
 356 }
 357
 358
 359 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 360 {
 361         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 362         //lyxerr << "*** LyXText::dispatch: cmd: " << cmd << endl;
 363
 364         BOOST_ASSERT(cur.text() == this);
 365         BufferView * bv = &cur.bv();
 366         CursorSlice sl = cur.top();
 367         bool sel = cur.selection();
 368         bool moving = false;
 369
 370         switch (cmd.action) {
 371
 372         case LFUN_APPENDIX: {
 373                 Paragraph & par = cur.paragraph();
 374                 bool start = !par.params().startOfAppendix();
 375
 376                 // ensure that we have only one start_of_appendix in this document
 377                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 378                         if (pars_[tmp].params().startOfAppendix()) {
 379                                 recUndo(tmp);
 380                                 pars_[tmp].params().startOfAppendix(false);
 381                                 break;
 382                         }
 383                 }
 384
 385                 recordUndo(cur);
 386                 par.params().startOfAppendix(start);
 387
 388                 // we can set the refreshing parameters now
 389                 updateCounters();
 390                 break;
 391         }
 392
 393         case LFUN_DELETE_WORD_FORWARD:
 394                 cur.clearSelection();
 395                 deleteWordForward(cur);
 396                 finishChange(cur, false);
 397                 break;
 398
 399         case LFUN_DELETE_WORD_BACKWARD:
 400                 cur.clearSelection();
 401                 deleteWordBackward(cur);
 402                 finishChange(cur, false);
 403                 break;
 404
 405         case LFUN_DELETE_LINE_FORWARD:
 406                 cur.clearSelection();
 407                 deleteLineForward(cur);
 408                 finishChange(cur, false);
 409                 break;
 410
 411         case LFUN_WORDRIGHT:
 412                 moving = true;
 413                 if (!cur.mark())
 414                         cur.clearSelection();
 415                 if (isRTL(cur.paragraph()))
 416                         cursorLeftOneWord(cur);
 417                 else
 418                         cursorRightOneWord(cur);
 419                 finishChange(cur, false);
 420                 break;
 421
 422         case LFUN_WORDLEFT:
 423                 moving = true;
 424                 if (!cur.mark())
 425                         cur.clearSelection();
 426                 if (isRTL(cur.paragraph()))
 427                         cursorRightOneWord(cur);
 428                 else
 429                         cursorLeftOneWord(cur);
 430                 finishChange(cur, false);
 431                 break;
 432
 433         case LFUN_BEGINNINGBUF:
 434                 if (cur.size() == 1) {
 435                         if (!cur.mark())
 436                                 cur.clearSelection();
 437                         cursorTop(cur);
 438                         finishChange(cur, false);
 439                 } else {
 440                         cur.undispatched();
 441                 }
 442                 break;
 443
 444         case LFUN_BEGINNINGBUFSEL:
 445                 if (cur.size() == 1) {
 446                         if (!cur.selection())
 447                                 cur.resetAnchor();
 448                         cursorTop(cur);
 449                         finishChange(cur, true);
 450                 } else {
 451                         cur.undispatched();
 452                 }
 453                 break;
 454
 455         case LFUN_ENDBUF:
 456                 if (cur.size() == 1) {
 457                         if (!cur.mark())
 458                                 cur.clearSelection();
 459                         cursorBottom(cur);
 460                         finishChange(cur, false);
 461                 } else {
 462                         cur.undispatched();
 463                 }
 464                 break;
 465
 466         case LFUN_ENDBUFSEL:
 467                 if (cur.size() == 1) {
 468                         if (!cur.selection())
 469                                 cur.resetAnchor();
 470                         cursorBottom(cur);
 471                         finishChange(cur, true);
 472                 } else {
 473                         cur.undispatched();
 474                 }
 475                 break;
 476
 477         case LFUN_RIGHT:
 478                 moving = true;
 479         case LFUN_RIGHTSEL:
 480                 //lyxerr << "handle LFUN_RIGHT[SEL]:\n" << cur << endl;
 481                 cur.selHandle(cmd.action == LFUN_RIGHTSEL);
 482                 if (isRTL(cur.paragraph()))
 483                         cursorLeft(cur);
 484                 else
 485                         cursorRight(cur);
 486                 if (sl == cur.top()) {
 487                         cur.undispatched();
 488                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 489                 }
 490                 break;
 491
 492         case LFUN_LEFT:
 493                 moving = true;
 494         case LFUN_LEFTSEL:
 495                 //lyxerr << "handle LFUN_LEFT[SEL]:\n" << cur << endl;
 496                 cur.selHandle(cmd.action == LFUN_LEFTSEL);
 497                 if (isRTL(cur.paragraph()))
 498                         cursorRight(cur);
 499                 else
 500                         cursorLeft(cur);
 501                 if (sl == cur.top()) {
 502                         cur.undispatched();
 503                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 504                 }
 505                 break;
 506
 507         case LFUN_UP:
 508                 moving = true;
 509         case LFUN_UPSEL:
 510                 update(cur);
 511                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 512                 cur.selHandle(cmd.action == LFUN_UPSEL);
 513                 cursorUp(cur);
 514                 if (sl == cur.top()) {
 515                         cur.undispatched();
 516                         cmd = FuncRequest(LFUN_FINISHED_UP);
 517                 }
 518                 break;
 519
 520         case LFUN_DOWN:
 521                 moving = true;
 522         case LFUN_DOWNSEL:
 523                 update(cur);
 524                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 525                 cur.selHandle(cmd.action == LFUN_DOWNSEL);
 526                 cursorDown(cur);
 527                 if (sl == cur.top()) {
 528                         cur.undispatched();
 529                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 530                 }
 531                 break;
 532
 533         case LFUN_UP_PARAGRAPHSEL:
 534                 if (!cur.selection())
 535                         cur.resetAnchor();
 536                 cursorUpParagraph(cur);
 537                 finishChange(cur, true);
 538                 break;
 539
 540         case LFUN_DOWN_PARAGRAPHSEL:
 541                 if (!cur.selection())
 542                         cur.resetAnchor();
 543                 cursorDownParagraph(cur);
 544                 finishChange(cur, true);
 545                 break;
 546
 547         case LFUN_PRIORSEL:
 548                 update(cur);
 549                 if (!cur.selection())
 550                         cur.resetAnchor();
 551                 cursorPrevious(cur);
 552                 finishChange(cur, true);
 553                 break;
 554
 555         case LFUN_NEXTSEL:
 556                 update(cur);
 557                 if (!cur.selection())
 558                         cur.resetAnchor();
 559                 cursorNext(cur);
 560                 finishChange(cur, true);
 561                 break;
 562
 563         case LFUN_HOMESEL:
 564                 update(cur);
 565                 if (!cur.selection())
 566                         cur.resetAnchor();
 567                 cursorHome(cur);
 568                 finishChange(cur, true);
 569                 break;
 570
 571         case LFUN_ENDSEL:
 572                 update(cur);
 573                 if (!cur.selection())
 574                         cur.resetAnchor();
 575                 cursorEnd(cur);
 576                 finishChange(cur, true);
 577                 break;
 578
 579         case LFUN_WORDRIGHTSEL:
 580                 if (!cur.selection())
 581                         cur.resetAnchor();
 582                 if (isRTL(cur.paragraph()))
 583                         cursorLeftOneWord(cur);
 584                 else
 585                         cursorRightOneWord(cur);
 586                 finishChange(cur, true);
 587                 break;
 588
 589         case LFUN_WORDLEFTSEL:
 590                 if (!cur.selection())
 591                         cur.resetAnchor();
 592                 if (isRTL(cur.paragraph()))
 593                         cursorRightOneWord(cur);
 594                 else
 595                         cursorLeftOneWord(cur);
 596                 finishChange(cur, true);
 597                 break;
 598
 599         case LFUN_WORDSEL: {
 600                 selectWord(cur, lyx::WHOLE_WORD);
 601                 finishChange(cur, true);
 602                 break;
 603         }
 604
 605         case LFUN_UP_PARAGRAPH:
 606                 moving = true;
 607                 if (!cur.mark())
 608                         cur.clearSelection();
 609                 cursorUpParagraph(cur);
 610                 finishChange(cur, false);
 611                 break;
 612
 613         case LFUN_DOWN_PARAGRAPH:
 614                 moving = true;
 615                 if (!cur.mark())
 616                         cur.clearSelection();
 617                 cursorDownParagraph(cur);
 618                 finishChange(cur, false);
 619                 break;
 620
 621         case LFUN_PRIOR:
 622                 update(cur);
 623                 moving = true;
 624                 if (!cur.mark())
 625                         cur.clearSelection();
 626                 finishChange(cur, false);
 627                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 628                         cur.undispatched();
 629                         cmd = FuncRequest(LFUN_FINISHED_UP);
 630                 } else {
 631                         cursorPrevious(cur);
 632                 }
 633                 break;
 634
 635         case LFUN_NEXT:
 636                 update(cur);
 637                 moving = true;
 638                 if (!cur.mark())
 639                         cur.clearSelection();
 640                 finishChange(cur, false);
 641                 if (cur.pit() == cur.lastpit()
 642                           && cur.textRow().endpos() == cur.lastpos()) {
 643                         cur.undispatched();
 644                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 645                 } else {
 646                         cursorNext(cur);
 647                 }
 648                 break;
 649
 650         case LFUN_HOME:
 651                 if (!cur.mark())
 652                         cur.clearSelection();
 653                 cursorHome(cur);
 654                 finishChange(cur, false);
 655                 break;
 656
 657         case LFUN_END:
 658                 if (!cur.mark())
 659                         cur.clearSelection();
 660                 cursorEnd(cur);
 661                 finishChange(cur, false);
 662                 break;
 663
 664         case LFUN_BREAKLINE: {
 665                 // Not allowed by LaTeX (labels or empty par)
 666                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 667                         lyx::cap::replaceSelection(cur);
 668                         cur.insert(new InsetNewline);
 669                         cur.posRight();
 670                         moveCursor(cur, false);
 671                 }
 672                 break;
 673         }
 674
 675         case LFUN_DELETE:
 676                 if (!cur.selection()) {
 677                         Delete(cur);
 678                         cur.resetAnchor();
 679                         // It is possible to make it a lot faster still
 680                         // just comment out the line below...
 681                 } else {
 682                         cutSelection(cur, true, false);
 683                 }
 684                 moveCursor(cur, false);
 685                 break;
 686
 687         case LFUN_DELETE_SKIP:
 688                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 689                 if (!cur.selection()) {
 690                         if (cur.pos() == cur.lastpos()) {
 691                                 cursorRight(cur);
 692                                 cursorLeft(cur);
 693                         }
 694                         Delete(cur);
 695                         cur.resetAnchor();
 696                 } else {
 697                         cutSelection(cur, true, false);
 698                 }
 699                 break;
 700
 701
 702         case LFUN_BACKSPACE:
 703                 if (!cur.selection()) {
 704                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 705                                 backspace(cur);
 706                                 cur.resetAnchor();
 707                                 // It is possible to make it a lot faster still
 708                                 // just comment out the line below...
 709                         }
 710                 } else {
 711                         cutSelection(cur, true, false);
 712                 }
 713                 bv->switchKeyMap();
 714                 break;
 715
 716         case LFUN_BACKSPACE_SKIP:
 717                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 718                 if (!cur.selection()) {
 719 #ifdef WITH_WARNINGS
 720 #warning look here
 721 #endif
 722                         //CursorSlice cur = cursor();
 723                         backspace(cur);
 724                         //anchor() = cur;
 725                 } else {
 726                         cutSelection(cur, true, false);
 727                 }
 728                 break;
 729
 730         case LFUN_BREAKPARAGRAPH:
 731                 lyx::cap::replaceSelection(cur);
 732                 breakParagraph(cur, 0);
 733                 cur.resetAnchor();
 734                 bv->switchKeyMap();
 735                 break;
 736
 737         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 738                 lyx::cap::replaceSelection(cur);
 739                 breakParagraph(cur, 1);
 740                 cur.resetAnchor();
 741                 bv->switchKeyMap();
 742                 break;
 743
 744         case LFUN_BREAKPARAGRAPH_SKIP: {
 745                 // When at the beginning of a paragraph, remove
 746                 // indentation.  Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 747                 lyx::cap::replaceSelection(cur);
 748                 if (cur.pos() == 0)
 749                         cur.paragraph().params().labelWidthString(string());
 750                 else
 751                         breakParagraph(cur, 0);
 752                 cur.resetAnchor();
 753                 bv->switchKeyMap();
 754                 break;
 755         }
 756
 757         case LFUN_PARAGRAPH_SPACING: {
 758                 Paragraph & par = cur.paragraph();
 759                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 760                 float cur_value = 1.0;
 761                 if (cur_spacing == Spacing::Other)
 762                         cur_value = par.params().spacing().getValue();
 763
 764                 istringstream is(cmd.argument);
 765                 string tmp;
 766                 is >> tmp;
 767                 Spacing::Space new_spacing = cur_spacing;
 768                 float new_value = cur_value;
 769                 if (tmp.empty()) {
 770                         lyxerr << "Missing argument to `paragraph-spacing'"
 771                                << endl;
 772                 } else if (tmp == "single") {
 773                         new_spacing = Spacing::Single;
 774                 } else if (tmp == "onehalf") {
 775                         new_spacing = Spacing::Onehalf;
 776                 } else if (tmp == "double") {
 777                         new_spacing = Spacing::Double;
 778                 } else if (tmp == "other") {
 779                         new_spacing = Spacing::Other;
 780                         float tmpval = 0.0;
 781                         is >> tmpval;
 782                         lyxerr << "new_value = " << tmpval << endl;
 783                         if (tmpval != 0.0)
 784                                 new_value = tmpval;
 785                 } else if (tmp == "default") {
 786                         new_spacing = Spacing::Default;
 787                 } else {
 788                         lyxerr << _("Unknown spacing argument: ")
 789                                << cmd.argument << endl;
 790                 }
 791                 if (cur_spacing != new_spacing || cur_value != new_value)
 792                         par.params().spacing(Spacing(new_spacing, new_value));
 793                 break;
 794         }
 795
 796         case LFUN_INSET_APPLY: {
 797                 string const name = cmd.getArg(0);
 798                 InsetBase * inset = bv->owner()->getDialogs().getOpenInset(name);
 799                 if (inset) {
 800                         FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument);
 801                         inset->dispatch(cur, fr);
 802                 } else {
 803                         FuncRequest fr(LFUN_INSET_INSERT, cmd.argument);
 804                         dispatch(cur, fr);
 805                 }
 806                 break;
 807         }
 808
 809         case LFUN_INSET_INSERT: {
 810                 recordUndo(cur);
 811                 InsetBase * inset = createInset(bv, cmd);
 812                 if (inset) {
 813                         insertInset(cur, inset);
 814                         cur.posRight();
 815                 }
 816                 break;
 817         }
 818
 819         case LFUN_INSET_SETTINGS:
 820                 if (cur.inset().asUpdatableInset())
 821                         cur.inset().asUpdatableInset()->showInsetDialog(bv);
 822                 break;
 823
 824         case LFUN_NEXT_INSET_TOGGLE: {
 825                 InsetBase * inset = cur.nextInset();
 826                 if (inset) {
 827                         cur.clearSelection();
 828                         FuncRequest fr = cmd;
 829                         fr.action = LFUN_INSET_TOGGLE;
 830                         inset->dispatch(cur, fr);
 831                 }
 832                 break;
 833         }
 834
 835         case LFUN_KEYMAP_TOGGLE:
 836                 cur.clearSelection();
 837                 bv->switchKeyMap();
 838                 break;
 839
 840         case LFUN_SPACE_INSERT:
 841                 if (cur.paragraph().layout()->free_spacing)
 842                         insertChar(cur, ' ');
 843                 else {
 844                         doInsertInset(cur, this, cmd, false, false);
 845                         cur.posRight();
 846                 }
 847                 moveCursor(cur, false);
 848                 break;
 849
 850         case LFUN_HYPHENATION:
 851                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 852                 break;
 853
 854         case LFUN_LIGATURE_BREAK:
 855                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 856                 break;
 857
 858         case LFUN_LDOTS:
 859                 specialChar(cur, InsetSpecialChar::LDOTS);
 860                 break;
 861
 862         case LFUN_END_OF_SENTENCE:
 863                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 864                 break;
 865
 866         case LFUN_MENU_SEPARATOR:
 867                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 868                 break;
 869
 870         case LFUN_UPCASE_WORD:
 871                 changeCase(cur, LyXText::text_uppercase);
 872                 break;
 873
 874         case LFUN_LOWCASE_WORD:
 875                 changeCase(cur, LyXText::text_lowercase);
 876                 break;
 877
 878         case LFUN_CAPITALIZE_WORD:
 879                 changeCase(cur, LyXText::text_capitalization);
 880                 break;
 881
 882         case LFUN_TRANSPOSE_CHARS:
 883                 recordUndo(cur);
 884                 break;
 885
 886         case LFUN_PASTE:
 887                 cur.message(_("Paste"));
 888                 lyx::cap::replaceSelection(cur);
 889 #ifdef WITH_WARNINGS
 890 #warning FIXME Check if the arg is in the domain of available selections.
 891 #endif
 892                 if (isStrUnsignedInt(cmd.argument))
 893                         pasteSelection(cur, strToUnsignedInt(cmd.argument));
 894                 else
 895                         pasteSelection(cur, 0);
 896                 cur.clearSelection(); // bug 393
 897                 bv->switchKeyMap();
 898                 finishUndo();
 899                 break;
 900
 901         case LFUN_CUT:
 902                 cutSelection(cur, true, true);
 903                 cur.message(_("Cut"));
 904                 break;
 905
 906         case LFUN_COPY:
 907                 copySelection(cur);
 908                 cur.message(_("Copy"));
 909                 break;
 910
 911         case LFUN_GETXY:
 912                 cur.message(tostr(cursorX(cur.top())) + ' '
 913                           + tostr(cursorY(cur.top())));
 914                 break;
 915
 916         case LFUN_SETXY: {
 917                 int x = 0;
 918                 int y = 0;
 919                 istringstream is(cmd.argument);
 920                 is >> x >> y;
 921                 if (!is)
 922                         lyxerr << "SETXY: Could not parse coordinates in '"
 923                                << cmd.argument << std::endl;
 924                 else
 925                         setCursorFromCoordinates(cur, x, y);
 926                 break;
 927         }
 928
 929         case LFUN_GETFONT:
 930                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 931                         cur.message("E");
 932                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 933                         cur.message("N");
 934                 else
 935                         cur.message("0");
 936                 break;
 937
 938         case LFUN_GETLAYOUT:
 939                 cur.message(cur.paragraph().layout()->name());
 940                 break;
 941
 942         case LFUN_LAYOUT: {
 943                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 944                   << cmd.argument << endl;
 945
 946                 // This is not the good solution to the empty argument
 947                 // problem, but it will hopefully suffice for 1.2.0.
 948                 // The correct solution would be to augument the
 949                 // function list/array with information about what
 950                 // functions needs arguments and their type.
 951                 if (cmd.argument.empty()) {
 952                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 953                         break;
 954                 }
 955
 956                 // Derive layout number from given argument (string)
 957                 // and current buffer's textclass (number)
 958                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 959                 bool hasLayout = tclass.hasLayout(cmd.argument);
 960                 string layout = cmd.argument;
 961
 962                 // If the entry is obsolete, use the new one instead.
 963                 if (hasLayout) {
 964                         string const & obs = tclass[layout]->obsoleted_by();
 965                         if (!obs.empty())
 966                                 layout = obs;
 967                 }
 968
 969                 if (!hasLayout) {
 970                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 971                                 N_(" not known"));
 972                         break;
 973                 }
 974
 975                 bool change_layout = (current_layout != layout);
 976
 977                 if (!change_layout && cur.selection() &&
 978                         cur.selBegin().pit() != cur.selEnd().pit())
 979                 {
 980                         pit_type spit = cur.selBegin().pit();
 981                         pit_type epit = cur.selEnd().pit() + 1;
 982                         while (spit != epit) {
 983                                 if (pars_[spit].layout()->name() != current_layout) {
 984                                         change_layout = true;
 985                                         break;
 986                                 }
 987                                 ++spit;
 988                         }
 989                 }
 990
 991                 if (change_layout) {
 992                         current_layout = layout;
 993                         setLayout(cur, layout);
 994                         bv->owner()->setLayout(layout);
 995                         bv->switchKeyMap();
 996                 }
 997                 break;
 998         }
 999
1000         case LFUN_PASTESELECTION: {
1001                 cur.clearSelection();
1002                 string const clip = bv->getClipboard();
1003                 if (!clip.empty()) {
1004                         if (cmd.argument == "paragraph")
1005                                 insertStringAsParagraphs(cur, clip);
1006                         else
1007                                 insertStringAsLines(cur, clip);
1008                 }
1009                 break;
1010         }
1011
1012         case LFUN_GOTOERROR:
1013                 gotoInset(cur, InsetBase::ERROR_CODE, false);
1014                 break;
1015
1016         case LFUN_GOTONOTE:
1017                 gotoInset(cur, InsetBase::NOTE_CODE, false);
1018                 break;
1019
1020         case LFUN_REFERENCE_GOTO: {
1021                 vector<InsetBase_code> tmp;
1022                 tmp.push_back(InsetBase::LABEL_CODE);
1023                 tmp.push_back(InsetBase::REF_CODE);
1024                 gotoInset(cur, tmp, true);
1025                 break;
1026         }
1027
1028         case LFUN_QUOTE: {
1029                 lyx::cap::replaceSelection(cur);
1030                 Paragraph & par = cur.paragraph();
1031                 lyx::pos_type pos = cur.pos();
1032                 char c;
1033                 if (pos == 0)
1034                         c = ' ';
1035                 else if (cur.prevInset() && cur.prevInset()->isSpace())
1036                         c = ' ';
1037                 else
1038                         c = par.getChar(pos - 1);
1039
1040                 LyXLayout_ptr const & style = par.layout();
1041
1042                 BufferParams const & bufparams = bv->buffer()->params();
1043                 if (!style->pass_thru
1044                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1045                         string arg = cmd.argument;
1046                         if (arg == "single")
1047                                 cur.insert(new InsetQuotes(c,
1048                                     bufparams.quotes_language,
1049                                     InsetQuotes::SingleQ));
1050                         else if (arg == "double")
1051                                 cur.insert(new InsetQuotes(c,
1052                                     bufparams.quotes_language,
1053                                     InsetQuotes::DoubleQ));
1054                         else
1055                                 cur.insert(new InsetQuotes(c, bufparams));
1056                         cur.posRight();
1057                 }
1058                 else
1059                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1060                 break;
1061         }
1062
1063         case LFUN_DATE_INSERT: {
1064                 lyx::cap::replaceSelection(cur);
1065                 time_t now_time_t = time(NULL);
1066                 struct tm * now_tm = localtime(&now_time_t);
1067                 setlocale(LC_TIME, "");
1068                 string arg;
1069                 if (!cmd.argument.empty())
1070                         arg = cmd.argument;
1071                 else
1072                         arg = lyxrc.date_insert_format;
1073                 char datetmp[32];
1074                 int const datetmp_len =
1075                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1076
1077                 for (int i = 0; i < datetmp_len; i++)
1078                         insertChar(cur, datetmp[i]);
1079
1080                 cur.resetAnchor();
1081                 moveCursor(cur, false);
1082                 break;
1083         }
1084
1085         case LFUN_MOUSE_TRIPLE:
1086                 if (cmd.button() == mouse_button::button1) {
1087                         selection_possible = true;
1088                         cursorHome(cur);
1089                         cur.resetAnchor();
1090                         cursorEnd(cur);
1091                         cur.setSelection();
1092                         bv->haveSelection(cur.selection());
1093                 }
1094                 break;
1095
1096         case LFUN_MOUSE_DOUBLE:
1097                 if (cmd.button() == mouse_button::button1) {
1098                         selection_possible = true;
1099                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
1100                         bv->haveSelection(cur.selection());
1101                 }
1102                 break;
1103
1104         // Single-click on work area
1105         case LFUN_MOUSE_PRESS: {
1106                 // Right click on a footnote flag opens float menu
1107                 if (cmd.button() == mouse_button::button3) {
1108                         cur.clearSelection();
1109                         selection_possible = false;
1110                         break;
1111                 }
1112
1113                 // Middle button press pastes if we have a selection
1114                 // We do this here as if the selection was inside an inset
1115                 // it could get cleared on the unlocking of the inset so
1116                 // we have to check this first
1117                 bool paste_internally = false;
1118                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1119                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1120                         paste_internally = true;
1121                 }
1122
1123                 selection_possible = true;
1124
1125                 // Clear the selection
1126                 cur.clearSelection();
1127
1128                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
1129                 cur.resetAnchor();
1130                 finishUndo();
1131                 cur.setTargetX();
1132
1133                 // Has the cursor just left the inset?
1134                 if (bv->cursor().inMathed() && !cur.inMathed())
1135                         bv->cursor().inset().notifyCursorLeaves(bv->cursor());
1136
1137                 // Set cursor here.
1138                 bv->cursor() = cur;
1139
1140                 // Don't allow selection after a big jump.
1141                 //if (bv->fitCursor())
1142                 //      selection_possible = false;
1143
1144                 // Insert primary selection with middle mouse
1145                 // if there is a local selection in the current buffer,
1146                 // insert this
1147                 if (cmd.button() == mouse_button::button2) {
1148                         if (paste_internally)
1149                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1150                         else
1151                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1152                         selection_possible = false;
1153                 }
1154
1155                 break;
1156         }
1157
1158         case LFUN_MOUSE_MOTION: {
1159                 // Only use motion with button 1
1160                 //if (cmd.button() != mouse_button::button1)
1161                 //      return false;
1162                 // We want to use only motion events for which
1163                 // the button press event was on the drawing area too.
1164                 if (!selection_possible) {
1165                         lyxerr[Debug::ACTION] << "BufferView::Pimpl::"
1166                                 "dispatch: no selection possible\n";
1167                         lyxerr << "BufferView::Pimpl::dispatch: no selection possible\n";
1168                         break;
1169                 }
1170
1171                 // ignore motions deeper nested than the real anchor
1172                 LCursor & bvcur = cur.bv().cursor();
1173                 if (bvcur.anchor_.hasPart(cur)) {
1174                         CursorSlice old = bvcur.top();
1175
1176                         int const wh = bv->workHeight();
1177                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1178
1179                         setCursorFromCoordinates(cur, cmd.x, y);
1180                         cur.x_target() = cmd.x;
1181                         if (cmd.y >= wh)
1182                                 cursorDown(cur);
1183                         else if (cmd.y < 0)
1184                                 cursorUp(cur);
1185                         // This is to allow jumping over large insets
1186                         if (cur.top() == old) {
1187                                 if (cmd.y >= wh)
1188                                         cursorDown(cur);
1189                                 else if (cmd.y < 0)
1190                                         cursorUp(cur);
1191                         }
1192
1193                         if (cur.top() == old)
1194                                 cur.noUpdate();
1195                         else {
1196                                 // don't set anchor_
1197                                 bvcur.setCursor(cur);
1198                                 bvcur.selection() = true;
1199                                 lyxerr << "MOTION: " << bv->cursor() << endl;
1200                         }
1201
1202                 } else
1203                         cur.undispatched();
1204                 break;
1205         }
1206
1207         case LFUN_MOUSE_RELEASE: {
1208                 selection_possible = false;
1209
1210                 if (cmd.button() == mouse_button::button2)
1211                         break;
1212
1213                 // finish selection
1214                 if (cmd.button() == mouse_button::button1)
1215                         bv->haveSelection(cur.selection());
1216
1217                 bv->switchKeyMap();
1218                 bv->owner()->updateMenubar();
1219                 bv->owner()->updateToolbars();
1220                 break;
1221         }
1222
1223         case LFUN_SELFINSERT: {
1224                 if (cmd.argument.empty())
1225                         break;
1226
1227                 // Automatically delete the currently selected
1228                 // text and replace it with what is being
1229                 // typed in now. Depends on lyxrc settings
1230                 // "auto_region_delete", which defaults to
1231                 // true (on).
1232
1233                 if (lyxrc.auto_region_delete) {
1234                         if (cur.selection())
1235                                 cutSelection(cur, false, false);
1236                         bv->haveSelection(false);
1237                 }
1238
1239                 cur.clearSelection();
1240                 LyXFont const old_font = real_current_font;
1241
1242                 string::const_iterator cit = cmd.argument.begin();
1243                 string::const_iterator end = cmd.argument.end();
1244                 for (; cit != end; ++cit)
1245                         bv->owner()->getIntl().getTransManager().
1246                                 TranslateAndInsert(*cit, this);
1247
1248                 cur.resetAnchor();
1249                 moveCursor(cur, false);
1250
1251                 // real_current_font.number can change so we need to
1252                 // update the minibuffer
1253                 if (old_font != real_current_font)
1254                 bv->updateScrollbar();
1255                 break;
1256         }
1257
1258         case LFUN_URL: {
1259                 InsetCommandParams p("url");
1260                 string const data = InsetCommandMailer::params2string("url", p);
1261                 bv->owner()->getDialogs().show("url", data, 0);
1262                 break;
1263         }
1264
1265         case LFUN_HTMLURL: {
1266                 InsetCommandParams p("htmlurl");
1267                 string const data = InsetCommandMailer::params2string("url", p);
1268                 bv->owner()->getDialogs().show("url", data, 0);
1269                 break;
1270         }
1271
1272         case LFUN_INSERT_LABEL: {
1273                 // Try to generate a valid label
1274                 string const contents = cmd.argument.empty() ?
1275                         cur.getPossibleLabel() : cmd.argument;
1276
1277                 InsetCommandParams p("label", contents);
1278                 string const data = InsetCommandMailer::params2string("label", p);
1279
1280                 if (cmd.argument.empty()) {
1281                         bv->owner()->getDialogs().show("label", data, 0);
1282                 } else {
1283                         FuncRequest fr(LFUN_INSET_INSERT, data);
1284                         dispatch(cur, fr);
1285                 }
1286                 break;
1287         }
1288
1289
1290 #if 0
1291         case LFUN_INSET_LIST:
1292         case LFUN_INSET_THEOREM:
1293         case LFUN_INSET_CAPTION:
1294 #endif
1295         case LFUN_INSERT_NOTE:
1296         case LFUN_INSERT_CHARSTYLE:
1297         case LFUN_INSERT_BOX:
1298         case LFUN_INSERT_BRANCH:
1299         case LFUN_INSERT_BIBITEM:
1300         case LFUN_INSET_ERT:
1301         case LFUN_INSET_FLOAT:
1302         case LFUN_INSET_FOOTNOTE:
1303         case LFUN_INSET_MARGINAL:
1304         case LFUN_INSET_OPTARG:
1305         case LFUN_INSET_WIDE_FLOAT:
1306         case LFUN_INSET_WRAP:
1307         case LFUN_TABULAR_INSERT:
1308         case LFUN_ENVIRONMENT_INSERT:
1309                 // Open the inset, and move the current selection
1310                 // inside it.
1311                 doInsertInset(cur, this, cmd, true, true);
1312                 cur.posRight();
1313                 break;
1314
1315         case LFUN_INDEX_INSERT:
1316                 // Just open the inset
1317                 doInsertInset(cur, this, cmd, true, false);
1318                 cur.posRight();
1319                 break;
1320
1321         case LFUN_INDEX_PRINT:
1322         case LFUN_TOC_INSERT:
1323         case LFUN_HFILL:
1324         case LFUN_INSERT_LINE:
1325         case LFUN_INSERT_PAGEBREAK:
1326                 // do nothing fancy
1327                 doInsertInset(cur, this, cmd, false, false);
1328                 cur.posRight();
1329                 break;
1330
1331         case LFUN_DEPTH_MIN:
1332                 changeDepth(cur, DEC_DEPTH);
1333                 break;
1334
1335         case LFUN_DEPTH_PLUS:
1336                 changeDepth(cur, INC_DEPTH);
1337                 break;
1338
1339         case LFUN_MATH_DISPLAY:
1340                 mathDispatch(cur, cmd, true);
1341                 break;
1342
1343         case LFUN_MATH_IMPORT_SELECTION:
1344         case LFUN_MATH_MODE:
1345                 mathDispatch(cur, cmd, false);
1346                 break;
1347
1348         case LFUN_MATH_MACRO:
1349                 if (cmd.argument.empty())
1350                         cur.errorMessage(N_("Missing argument"));
1351                 else {
1352                         string s = cmd.argument;
1353                         string const s1 = token(s, ' ', 1);
1354                         int const nargs = s1.empty() ? 0 : atoi(s1);
1355                         string const s2 = token(s, ' ', 2);
1356                         string const type = s2.empty() ? "newcommand" : s2;
1357                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, s2));
1358                         //cur.nextInset()->edit(cur, true);
1359                 }
1360                 break;
1361
1362         case LFUN_INSERT_MATH:
1363         case LFUN_INSERT_MATRIX:
1364         case LFUN_MATH_DELIM: {
1365                 cur.insert(new MathHullInset);
1366                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1367                 cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
1368                 cur.dispatch(cmd);
1369                 break;
1370         }
1371
1372         case LFUN_EMPH: {
1373                 LyXFont font(LyXFont::ALL_IGNORE);
1374                 font.setEmph(LyXFont::TOGGLE);
1375                 toggleAndShow(cur, this, font);
1376                 break;
1377         }
1378
1379         case LFUN_BOLD: {
1380                 LyXFont font(LyXFont::ALL_IGNORE);
1381                 font.setSeries(LyXFont::BOLD_SERIES);
1382                 toggleAndShow(cur, this, font);
1383                 break;
1384         }
1385
1386         case LFUN_NOUN: {
1387                 LyXFont font(LyXFont::ALL_IGNORE);
1388                 font.setNoun(LyXFont::TOGGLE);
1389                 toggleAndShow(cur, this, font);
1390                 break;
1391         }
1392
1393         case LFUN_CODE: {
1394                 LyXFont font(LyXFont::ALL_IGNORE);
1395                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1396                 toggleAndShow(cur, this, font);
1397                 break;
1398         }
1399
1400         case LFUN_SANS: {
1401                 LyXFont font(LyXFont::ALL_IGNORE);
1402                 font.setFamily(LyXFont::SANS_FAMILY);
1403                 toggleAndShow(cur, this, font);
1404                 break;
1405         }
1406
1407         case LFUN_ROMAN: {
1408                 LyXFont font(LyXFont::ALL_IGNORE);
1409                 font.setFamily(LyXFont::ROMAN_FAMILY);
1410                 toggleAndShow(cur, this, font);
1411                 break;
1412         }
1413
1414         case LFUN_DEFAULT: {
1415                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1416                 toggleAndShow(cur, this, font);
1417                 break;
1418         }
1419
1420         case LFUN_UNDERLINE: {
1421                 LyXFont font(LyXFont::ALL_IGNORE);
1422                 font.setUnderbar(LyXFont::TOGGLE);
1423                 toggleAndShow(cur, this, font);
1424                 break;
1425         }
1426
1427         case LFUN_FONT_SIZE: {
1428                 LyXFont font(LyXFont::ALL_IGNORE);
1429                 font.setLyXSize(cmd.argument);
1430                 toggleAndShow(cur, this, font);
1431                 break;
1432         }
1433
1434         case LFUN_LANGUAGE: {
1435                 Language const * lang = languages.getLanguage(cmd.argument);
1436                 if (!lang)
1437                         break;
1438                 LyXFont font(LyXFont::ALL_IGNORE);
1439                 font.setLanguage(lang);
1440                 toggleAndShow(cur, this, font);
1441                 bv->switchKeyMap();
1442                 break;
1443         }
1444
1445         case LFUN_FREEFONT_APPLY:
1446                 toggleAndShow(cur, this, freefont, toggleall);
1447                 cur.message(_("Character set"));
1448                 break;
1449
1450         // Set the freefont using the contents of \param data dispatched from
1451         // the frontends and apply it at the current cursor location.
1452         case LFUN_FREEFONT_UPDATE: {
1453                 LyXFont font;
1454                 bool toggle;
1455                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1456                         freefont = font;
1457                         toggleall = toggle;
1458                         toggleAndShow(cur, this, freefont, toggleall);
1459                         cur.message(_("Character set"));
1460                 }
1461                 break;
1462         }
1463
1464         case LFUN_FINISHED_LEFT:
1465                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1466                 break;
1467
1468         case LFUN_FINISHED_RIGHT:
1469                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1470                 ++cur.pos();
1471                 break;
1472
1473         case LFUN_FINISHED_UP:
1474                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1475                 cursorUp(cur);
1476                 break;
1477
1478         case LFUN_FINISHED_DOWN:
1479                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1480                 cursorDown(cur);
1481                 break;
1482
1483         case LFUN_LAYOUT_PARAGRAPH: {
1484                 string data;
1485                 params2string(cur.paragraph(), data);
1486                 data = "show\n" + data;
1487                 bv->owner()->getDialogs().show("paragraph", data);
1488                 break;
1489         }
1490
1491         case LFUN_PARAGRAPH_UPDATE: {
1492                 if (!bv->owner()->getDialogs().visible("paragraph"))
1493                         break;
1494                 string data;
1495                 params2string(cur.paragraph(), data);
1496
1497                 // Will the paragraph accept changes from the dialog?
1498                 InsetBase & inset = cur.inset();
1499                 bool const accept = !inset.forceDefaultParagraphs(&inset);
1500
1501                 data = "update " + tostr(accept) + '\n' + data;
1502                 bv->owner()->getDialogs().update("paragraph", data);
1503                 break;
1504         }
1505
1506         case LFUN_UMLAUT:
1507         case LFUN_CIRCUMFLEX:
1508         case LFUN_GRAVE:
1509         case LFUN_ACUTE:
1510         case LFUN_TILDE:
1511         case LFUN_CEDILLA:
1512         case LFUN_MACRON:
1513         case LFUN_DOT:
1514         case LFUN_UNDERDOT:
1515         case LFUN_UNDERBAR:
1516         case LFUN_CARON:
1517         case LFUN_SPECIAL_CARON:
1518         case LFUN_BREVE:
1519         case LFUN_TIE:
1520         case LFUN_HUNG_UMLAUT:
1521         case LFUN_CIRCLE:
1522         case LFUN_OGONEK:
1523                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1524                 if (!cmd.argument.empty())
1525                         bv->owner()->getIntl().getTransManager()
1526                                 .TranslateAndInsert(cmd.argument[0], this);
1527                 break;
1528
1529         case LFUN_FLOAT_LIST: {
1530                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1531                 if (tclass.floats().typeExist(cmd.argument)) {
1532                         // not quite sure if we want this...
1533                         recordUndo(cur);
1534                         cur.clearSelection();
1535                         breakParagraph(cur);
1536
1537                         if (cur.lastpos() != 0) {
1538                                 cursorLeft(cur);
1539                                 breakParagraph(cur);
1540                         }
1541
1542                         setLayout(cur, tclass.defaultLayoutName());
1543                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1544                         insertInset(cur, new InsetFloatList(cmd.argument));
1545                         cur.posRight();
1546                 } else {
1547                         lyxerr << "Non-existent float type: "
1548                                << cmd.argument << endl;
1549                 }
1550                 break;
1551         }
1552
1553         case LFUN_ACCEPT_CHANGE: {
1554                 acceptChange(cur);
1555                 break;
1556         }
1557
1558         case LFUN_REJECT_CHANGE: {
1559                 rejectChange(cur);
1560                 break;
1561         }
1562
1563         case LFUN_THESAURUS_ENTRY: {
1564                 string arg = cmd.argument;
1565                 if (arg.empty()) {
1566                         arg = cur.selectionAsString(false);
1567                         // FIXME
1568                         if (arg.size() > 100 || arg.empty()) {
1569                                 // Get word or selection
1570                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1571                                 arg = cur.selectionAsString(false);
1572                         }
1573                 }
1574                 bv->owner()->getDialogs().show("thesaurus", arg);
1575                 break;
1576         }
1577
1578         case LFUN_PARAGRAPH_APPLY: {
1579                 // Given data, an encoding of the ParagraphParameters
1580                 // generated in the Paragraph dialog, this function sets
1581                 // the current paragraph appropriately.
1582                 istringstream is(cmd.argument);
1583                 LyXLex lex(0, 0);
1584                 lex.setStream(is);
1585                 ParagraphParameters params;
1586                 params.read(lex);
1587                 setParagraph(cur,
1588                                          params.spacing(),
1589                                          params.align(),
1590                                          params.labelWidthString(),
1591                                          params.noindent());
1592                 cur.message(_("Paragraph layout set"));
1593                 break;
1594         }
1595
1596         case LFUN_INSET_DIALOG_SHOW: {
1597                 InsetBase * inset = cur.nextInset();
1598                 if (inset) {
1599                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1600                         inset->dispatch(cur, fr);
1601                 }
1602                 break;
1603         }
1604
1605         case LFUN_ESCAPE:
1606                 if (cur.selection()) {
1607                         cur.selection() = false;
1608                 } else {
1609                         cur.undispatched();
1610                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
1611                 }
1612                 break;
1613
1614         default:
1615                 cur.undispatched();
1616                 break;
1617         }
1618
1619         // avoid to update when navigating
1620         if (moving
1621             && &sl.inset() == &cur.inset()
1622             && sl.idx() == cur.idx()
1623             && sel == false
1624             && cur.selection() == false)
1625                 cur.noUpdate();
1626 }
1627
1628
1629 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1630         FuncStatus & flag) const
1631 {
1632         BOOST_ASSERT(cur.text() == this);
1633         LyXFont const & font = real_current_font;
1634         bool enable = true;
1635
1636         switch (cmd.action) {
1637
1638         case LFUN_DEPTH_MIN:
1639                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1640                 break;
1641
1642         case LFUN_DEPTH_PLUS:
1643                 enable = changeDepthAllowed(cur, INC_DEPTH);
1644                 break;
1645
1646         case LFUN_INSET_OPTARG:
1647                 enable = numberOfOptArgs(cur.paragraph())
1648                         < cur.paragraph().layout()->optionalargs;
1649                 break;
1650
1651         case LFUN_APPENDIX:
1652                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1653                 break;
1654
1655 #if 0
1656         // the functions which insert insets
1657         InsetBase::Code code = InsetBase::NO_CODE;
1658         switch (cmd.action) {
1659         case LFUN_DIALOG_SHOW_NEW_INSET:
1660                 if (cmd.argument == "bibitem")
1661                         code = InsetBase::BIBITEM_CODE;
1662                 else if (cmd.argument == "bibtex")
1663                         code = InsetBase::BIBTEX_CODE;
1664                 else if (cmd.argument == "box")
1665                         code = InsetBase::BOX_CODE;
1666                 else if (cmd.argument == "branch")
1667                         code = InsetBase::BRANCH_CODE;
1668                 else if (cmd.argument == "citation")
1669                         code = InsetBase::CITE_CODE;
1670                 else if (cmd.argument == "ert")
1671                         code = InsetBase::ERT_CODE;
1672                 else if (cmd.argument == "external")
1673                         code = InsetBase::EXTERNAL_CODE;
1674                 else if (cmd.argument == "float")
1675                         code = InsetBase::FLOAT_CODE;
1676                 else if (cmd.argument == "graphics")
1677                         code = InsetBase::GRAPHICS_CODE;
1678                 else if (cmd.argument == "include")
1679                         code = InsetBase::INCLUDE_CODE;
1680                 else if (cmd.argument == "index")
1681                         code = InsetBase::INDEX_CODE;
1682                 else if (cmd.argument == "label")
1683                         code = InsetBase::LABEL_CODE;
1684                 else if (cmd.argument == "note")
1685                         code = InsetBase::NOTE_CODE;
1686                 else if (cmd.argument == "ref")
1687                         code = InsetBase::REF_CODE;
1688                 else if (cmd.argument == "toc")
1689                         code = InsetBase::TOC_CODE;
1690                 else if (cmd.argument == "url")
1691                         code = InsetBase::URL_CODE;
1692                 else if (cmd.argument == "vspace")
1693                         code = InsetBase::VSPACE_CODE;
1694                 else if (cmd.argument == "wrap")
1695                         code = InsetBase::WRAP_CODE;
1696                 break;
1697
1698         case LFUN_INSET_ERT:
1699                 code = InsetBase::ERT_CODE;
1700                 break;
1701         case LFUN_INSET_FOOTNOTE:
1702                 code = InsetBase::FOOT_CODE;
1703                 break;
1704         case LFUN_TABULAR_INSERT:
1705                 code = InsetBase::TABULAR_CODE;
1706                 break;
1707         case LFUN_INSET_MARGINAL:
1708                 code = InsetBase::MARGIN_CODE;
1709                 break;
1710         case LFUN_INSET_FLOAT:
1711         case LFUN_INSET_WIDE_FLOAT:
1712                 code = InsetBase::FLOAT_CODE;
1713                 break;
1714         case LFUN_INSET_WRAP:
1715                 code = InsetBase::WRAP_CODE;
1716                 break;
1717         case LFUN_FLOAT_LIST:
1718                 code = InsetBase::FLOAT_LIST_CODE;
1719                 break;
1720 #if 0
1721         case LFUN_INSET_LIST:
1722                 code = InsetBase::LIST_CODE;
1723                 break;
1724         case LFUN_INSET_THEOREM:
1725                 code = InsetBase::THEOREM_CODE;
1726                 break;
1727 #endif
1728         case LFUN_INSET_CAPTION:
1729                 code = InsetBase::CAPTION_CODE;
1730                 break;
1731         case LFUN_INSERT_NOTE:
1732                 code = InsetBase::NOTE_CODE;
1733                 break;
1734         case LFUN_INSERT_CHARSTYLE:
1735                 code = InsetBase::CHARSTYLE_CODE;
1736                 if (buf->params().getLyXTextClass().charstyles().empty())
1737                         enable = false;
1738                 break;
1739         case LFUN_INSERT_BOX:
1740                 code = InsetBase::BOX_CODE;
1741                 break;
1742         case LFUN_INSERT_BRANCH:
1743                 code = InsetBase::BRANCH_CODE;
1744                 if (buf->params().branchlist().empty())
1745                         enable = false;
1746                 break;
1747         case LFUN_INSERT_LABEL:
1748                 code = InsetBase::LABEL_CODE;
1749                 break;
1750         case LFUN_INSET_OPTARG:
1751                 code = InsetBase::OPTARG_CODE;
1752                 break;
1753         case LFUN_ENVIRONMENT_INSERT:
1754                 code = InsetBase::BOX_CODE;
1755                 break;
1756         case LFUN_INDEX_INSERT:
1757                 code = InsetBase::INDEX_CODE;
1758                 break;
1759         case LFUN_INDEX_PRINT:
1760                 code = InsetBase::INDEX_PRINT_CODE;
1761                 break;
1762         case LFUN_TOC_INSERT:
1763                 code = InsetBase::TOC_CODE;
1764                 break;
1765         case LFUN_HTMLURL:
1766         case LFUN_URL:
1767                 code = InsetBase::URL_CODE;
1768                 break;
1769         case LFUN_QUOTE:
1770                 // always allow this, since we will inset a raw quote
1771                 // if an inset is not allowed.
1772                 break;
1773         case LFUN_HYPHENATION:
1774         case LFUN_LIGATURE_BREAK:
1775         case LFUN_HFILL:
1776         case LFUN_MENU_SEPARATOR:
1777         case LFUN_LDOTS:
1778         case LFUN_END_OF_SENTENCE:
1779                 code = InsetBase::SPECIALCHAR_CODE;
1780                 break;
1781         case LFUN_SPACE_INSERT:
1782                 // slight hack: we know this is allowed in math mode
1783                 if (cur.inTexted())
1784                         code = InsetBase::SPACE_CODE;
1785                 break;
1786         case LFUN_INSET_DIALOG_SHOW: {
1787                 InsetBase * inset = cur.nextInset();
1788                 enable = inset;
1789                 if (inset) {
1790                         code = inset->lyxCode();
1791                         if (!(code == InsetBase::INCLUDE_CODE
1792                                 || code == InsetBase::BIBTEX_CODE
1793                                 || code == InsetBase::FLOAT_LIST_CODE
1794                                 || code == InsetBase::TOC_CODE))
1795                                 enable = false;
1796                 }
1797                 break;
1798         }
1799         default:
1800                 break;
1801         }
1802
1803         if (code != InsetBase::NO_CODE
1804                         && (cur.empty() || !cur.inset().insetAllowed(code)))
1805                 enable = false;
1806
1807 #endif
1808
1809         case LFUN_DIALOG_SHOW_NEW_INSET:
1810         case LFUN_INSET_ERT:
1811         case LFUN_INSERT_BOX:
1812         case LFUN_INSERT_BRANCH:
1813         case LFUN_ENVIRONMENT_INSERT:
1814         case LFUN_INDEX_INSERT:
1815         case LFUN_INDEX_PRINT:
1816         case LFUN_TOC_INSERT:
1817         case LFUN_HTMLURL:
1818         case LFUN_URL:
1819         case LFUN_QUOTE:
1820         case LFUN_HYPHENATION:
1821         case LFUN_LIGATURE_BREAK:
1822         case LFUN_HFILL:
1823         case LFUN_MENU_SEPARATOR:
1824         case LFUN_LDOTS:
1825         case LFUN_END_OF_SENTENCE:
1826         case LFUN_SPACE_INSERT:
1827         case LFUN_INSET_DIALOG_SHOW:
1828                 break;
1829
1830         case LFUN_EMPH:
1831                 flag.setOnOff(font.emph() == LyXFont::ON);
1832                 break;
1833
1834         case LFUN_NOUN:
1835                 flag.setOnOff(font.noun() == LyXFont::ON);
1836                 break;
1837
1838         case LFUN_BOLD:
1839                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1840                 break;
1841
1842         case LFUN_SANS:
1843                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1844                 break;
1845
1846         case LFUN_ROMAN:
1847                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1848                 break;
1849
1850         case LFUN_CODE:
1851                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1852                 break;
1853
1854         case LFUN_DELETE_WORD_FORWARD:
1855         case LFUN_DELETE_WORD_BACKWARD:
1856         case LFUN_DELETE_LINE_FORWARD:
1857         case LFUN_WORDRIGHT:
1858         case LFUN_WORDLEFT:
1859         case LFUN_RIGHT:
1860         case LFUN_RIGHTSEL:
1861         case LFUN_LEFT:
1862         case LFUN_LEFTSEL:
1863         case LFUN_UP:
1864         case LFUN_UPSEL:
1865         case LFUN_DOWN:
1866         case LFUN_DOWNSEL:
1867         case LFUN_UP_PARAGRAPHSEL:
1868         case LFUN_DOWN_PARAGRAPHSEL:
1869         case LFUN_PRIORSEL:
1870         case LFUN_NEXTSEL:
1871         case LFUN_HOMESEL:
1872         case LFUN_ENDSEL:
1873         case LFUN_WORDRIGHTSEL:
1874         case LFUN_WORDLEFTSEL:
1875         case LFUN_WORDSEL:
1876         case LFUN_UP_PARAGRAPH:
1877         case LFUN_DOWN_PARAGRAPH:
1878         case LFUN_PRIOR:
1879         case LFUN_NEXT:
1880         case LFUN_HOME:
1881         case LFUN_END:
1882         case LFUN_BREAKLINE:
1883         case LFUN_DELETE:
1884         case LFUN_DELETE_SKIP:
1885         case LFUN_BACKSPACE:
1886         case LFUN_BACKSPACE_SKIP:
1887         case LFUN_BREAKPARAGRAPH:
1888         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1889         case LFUN_BREAKPARAGRAPH_SKIP:
1890         case LFUN_PARAGRAPH_SPACING:
1891         case LFUN_INSET_APPLY:
1892         case LFUN_INSET_INSERT:
1893         case LFUN_NEXT_INSET_TOGGLE:
1894         case LFUN_UPCASE_WORD:
1895         case LFUN_LOWCASE_WORD:
1896         case LFUN_CAPITALIZE_WORD:
1897         case LFUN_TRANSPOSE_CHARS:
1898         case LFUN_PASTE:
1899         case LFUN_CUT:
1900         case LFUN_COPY:
1901         case LFUN_GETXY:
1902         case LFUN_SETXY:
1903         case LFUN_GETFONT:
1904         case LFUN_GETLAYOUT:
1905         case LFUN_LAYOUT:
1906         case LFUN_PASTESELECTION:
1907         case LFUN_GOTOERROR:
1908         case LFUN_GOTONOTE:
1909         case LFUN_REFERENCE_GOTO:
1910         case LFUN_DATE_INSERT:
1911         case LFUN_SELFINSERT:
1912         case LFUN_INSERT_LABEL:
1913         case LFUN_INSERT_NOTE:
1914         case LFUN_INSERT_CHARSTYLE:
1915         case LFUN_INSERT_BIBITEM:
1916         case LFUN_INSET_FLOAT:
1917         case LFUN_INSET_FOOTNOTE:
1918         case LFUN_INSET_MARGINAL:
1919         case LFUN_INSET_WIDE_FLOAT:
1920         case LFUN_INSET_WRAP:
1921         case LFUN_TABULAR_INSERT:
1922         case LFUN_INSERT_LINE:
1923         case LFUN_INSERT_PAGEBREAK:
1924         case LFUN_MATH_DISPLAY:
1925         case LFUN_MATH_IMPORT_SELECTION:
1926         case LFUN_MATH_MODE:
1927         case LFUN_MATH_MACRO:
1928         case LFUN_INSERT_MATH:
1929         case LFUN_INSERT_MATRIX:
1930         case LFUN_MATH_DELIM:
1931         case LFUN_DEFAULT:
1932         case LFUN_UNDERLINE:
1933         case LFUN_FONT_SIZE:
1934         case LFUN_LANGUAGE:
1935         case LFUN_FREEFONT_APPLY:
1936         case LFUN_FREEFONT_UPDATE:
1937         case LFUN_LAYOUT_PARAGRAPH:
1938         case LFUN_PARAGRAPH_UPDATE:
1939         case LFUN_UMLAUT:
1940         case LFUN_CIRCUMFLEX:
1941         case LFUN_GRAVE:
1942         case LFUN_ACUTE:
1943         case LFUN_TILDE:
1944         case LFUN_CEDILLA:
1945         case LFUN_MACRON:
1946         case LFUN_DOT:
1947         case LFUN_UNDERDOT:
1948         case LFUN_UNDERBAR:
1949         case LFUN_CARON:
1950         case LFUN_SPECIAL_CARON:
1951         case LFUN_BREVE:
1952         case LFUN_TIE:
1953         case LFUN_HUNG_UMLAUT:
1954         case LFUN_CIRCLE:
1955         case LFUN_OGONEK:
1956         case LFUN_FLOAT_LIST:
1957         case LFUN_ACCEPT_CHANGE:
1958         case LFUN_REJECT_CHANGE:
1959         case LFUN_THESAURUS_ENTRY:
1960         case LFUN_PARAGRAPH_APPLY:
1961         case LFUN_ESCAPE:
1962         case LFUN_KEYMAP_TOGGLE:
1963         case LFUN_ENDBUF:
1964         case LFUN_BEGINNINGBUF:
1965         case LFUN_BEGINNINGBUFSEL:
1966         case LFUN_ENDBUFSEL:
1967                 // these are handled in our dispatch()
1968                 enable = true;
1969                 break;
1970
1971         default:
1972                 enable = false;
1973                 break;
1974         }
1975         flag.enabled(enable);
1976         return true;
1977 }