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 "buffer.h"
  21 #include "bufferparams.h"
  22 #include "BufferView.h"
  23 #include "debug.h"
  24 #include "factory.h"
  25 #include "funcrequest.h"
  26 #include "gettext.h"
  27 #include "intl.h"
  28 #include "language.h"
  29 #include "lyxrc.h"
  30 #include "lyxrow.h"
  31 #include "paragraph.h"
  32 #include "ParagraphParameters.h"
  33 #include "text_funcs.h"
  34 #include "undo.h"
  35 #include "vspace.h"
  36
  37 #include "frontends/Dialogs.h"
  38 #include "frontends/LyXView.h"
  39
  40 #include "insets/insetcommand.h"
  41 #include "insets/insetnewline.h"
  42 #include "insets/insetspecialchar.h"
  43 #include "insets/insettext.h"
  44
  45 #include "support/lstrings.h"
  46 #include "support/tostr.h"
  47
  48 #include "support/std_sstream.h"
  49 #include <clocale>
  50
  51 using bv_funcs::replaceSelection;
  52
  53 using lyx::pos_type;
  54
  55 using lyx::support::isStrUnsignedInt;
  56 using lyx::support::strToUnsignedInt;
  57
  58 using std::endl;
  59 using std::find;
  60 using std::string;
  61 using std::istringstream;
  62 using std::vector;
  63
  64
  65 extern string current_layout;
  66 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  67
  68 // the selection possible is needed, that only motion events are
  69 // used, where the bottom press event was on the drawing area too
  70 bool selection_possible = false;
  71
  72
  73 namespace {
  74
  75         void moveCursorUpdate(BufferView * bv, bool selecting)
  76         {
  77                 LyXText * lt = bv->getLyXText();
  78
  79 //              if (!lt->selection.set())
  80 //                      lt->selection.cursor = lt->cursor;
  81
  82                 if (selecting || lt->selection.mark())
  83                         lt->setSelection();
  84
  85                 if (!lt->selection.set())
  86                         bv->haveSelection(false);
  87
  88                 bv->update();
  89                 bv->switchKeyMap();
  90         }
  91
  92
  93         void finishChange(BufferView * bv, bool selecting = false)
  94         {
  95                 finishUndo();
  96                 moveCursorUpdate(bv, selecting);
  97                 bv->owner()->view_state_changed();
  98         }
  99
 100         // check if the given co-ordinates are inside an inset at the
 101         // given cursor, if one exists. If so, the inset is returned,
 102         // and the co-ordinates are made relative. Otherwise, 0 is returned.
 103         InsetOld * checkInset(LyXText & text,
 104                 LyXCursor const & cur, int & x, int & y)
 105         {
 106                 lyx::pos_type const pos = cur.pos();
 107                 ParagraphList::iterator par = text.getPar(cur);
 108
 109                 if (pos >= par->size() || !par->isInset(pos))
 110                         return 0;
 111
 112                 InsetOld /*const*/ * inset = par->getInset(pos);
 113
 114                 if (!isEditableInset(inset))
 115                         return 0;
 116
 117                 // get inset dimensions
 118                 BOOST_ASSERT(par->getInset(pos));
 119
 120                 LyXFont const & font = text.getFont(par, pos);
 121
 122                 int const width = inset->width();
 123                 int const inset_x = font.isVisibleRightToLeft()
 124                         ? (cur.x() - width) : cur.x();
 125
 126                 Box b(
 127                         inset_x + inset->scroll(),
 128                         inset_x + width,
 129                         cur.y() - inset->ascent(),
 130                         cur.y() + inset->descent()
 131                 );
 132
 133                 if (!b.contains(x, y)) {
 134                         lyxerr[Debug::GUI] << "Missed inset at x,y "
 135                                            << x << ',' << y
 136                                            << " box " << b << endl;
 137                         return 0;
 138                 }
 139
 140                 text.setCursor(cur.par(), pos, true);
 141
 142                 x -= b.x1;
 143                 // The origin of an inset is on the baseline
 144                 y -= text.cursor.y();
 145
 146                 return inset;
 147         }
 148
 149 } // anon namespace
 150
 151
 152 InsetOld * LyXText::checkInsetHit(int & x, int & y)
 153 {
 154         int y_tmp = y + bv_owner->top_y();
 155
 156         LyXCursor cur;
 157         setCursorFromCoordinates(cur, x, y_tmp);
 158
 159         InsetOld * inset = checkInset(*this, cur, x, y_tmp);
 160         if (inset) {
 161                 y = y_tmp;
 162                 return inset;
 163         }
 164
 165         // look at previous position
 166         if (cur.pos() == 0)
 167                 return 0;
 168
 169         // move back one
 170         setCursor(cur, cur.par(), cur.pos() - 1, true);
 171
 172         inset = checkInset(*this, cur, x, y_tmp);
 173         if (inset)
 174                 y = y_tmp;
 175         return inset;
 176 }
 177
 178
 179 bool LyXText::gotoNextInset(vector<InsetOld::Code> const & codes,
 180                             string const & contents)
 181 {
 182         ParagraphList::iterator end = ownerParagraphs().end();
 183         ParagraphList::iterator pit = cursorPar();
 184         pos_type pos = cursor.pos();
 185
 186         InsetOld * inset;
 187         do {
 188                 if (pos + 1 < pit->size()) {
 189                         ++pos;
 190                 } else  {
 191                         ++pit;
 192                         pos = 0;
 193                 }
 194
 195         } while (pit != end &&
 196                  !(pit->isInset(pos) &&
 197                    (inset = pit->getInset(pos)) != 0 &&
 198                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 199                    (contents.empty() ||
 200                     static_cast<InsetCommand *>(pit->getInset(pos))->getContents()
 201                     == contents)));
 202
 203         if (pit == end)
 204                 return false;
 205
 206         setCursor(parOffset(pit), pos, false);
 207         return true;
 208 }
 209
 210
 211 void LyXText::gotoInset(vector<InsetOld::Code> const & codes,
 212                         bool same_content)
 213 {
 214         bv()->beforeChange(this);
 215
 216         string contents;
 217         if (same_content && cursor.pos() < cursorPar()->size()
 218             && cursorPar()->isInset(cursor.pos())) {
 219                 InsetOld const * inset = cursorPar()->getInset(cursor.pos());
 220                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 221                     != codes.end())
 222                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 223         }
 224
 225         if (!gotoNextInset(codes, contents)) {
 226                 if (cursor.pos() || cursorPar() != ownerParagraphs().begin()) {
 227                         LyXCursor tmp = cursor;
 228                         cursor.par(0);
 229                         cursor.pos(0);
 230                         if (!gotoNextInset(codes, contents)) {
 231                                 cursor = tmp;
 232                                 bv()->owner()->message(_("No more insets"));
 233                         }
 234                 } else {
 235                         bv()->owner()->message(_("No more insets"));
 236                 }
 237         }
 238         bv()->update();
 239         selection.cursor = cursor;
 240 }
 241
 242
 243 void LyXText::gotoInset(InsetOld::Code code, bool same_content)
 244 {
 245         gotoInset(vector<InsetOld::Code>(1, code), same_content);
 246 }
 247
 248
 249 void LyXText::cursorPrevious()
 250 {
 251         int y = bv()->top_y();
 252
 253         ParagraphList::iterator cpit = cursorPar();
 254         RowList::iterator crit = cpit->getRow(cursor.pos());
 255
 256         if (isFirstRow(cpit, *crit)) {
 257                 if (y > 0)
 258                         bv()->updateScrollbar();
 259                 return;
 260         }
 261
 262         setCursorFromCoordinates(cursor.x_fix(), y);
 263         finishUndo();
 264
 265         if (crit == bv()->text->cursorRow()) {
 266                 // we have a row which is taller than the workarea. The
 267                 // simplest solution is to move to the previous row instead.
 268                 cursorUp(true);
 269                 return;
 270         }
 271
 272         int new_y = + crit->height() - bv()->workHeight() + 1;
 273
 274         if (inset_owner) {
 275                 new_y += bv()->text->cursor.y()
 276                         + bv()->theLockingInset()->insetInInsetY() + y;
 277         } else {
 278                 new_y += cursor.y() - crit->baseline();
 279         }
 280
 281         previousRow(cpit, crit);
 282         LyXCursor cur;
 283         setCursor(cur, parOffset(cpit), crit->pos(), false);
 284         if (cur.y() > bv()->top_y())
 285                 cursorUp(true);
 286         bv()->updateScrollbar();
 287 }
 288
 289
 290 void LyXText::cursorNext()
 291 {
 292         int topy = bv()->top_y();
 293
 294         ParagraphList::iterator cpit = cursorPar();
 295         RowList::iterator crit = cpit->getRow(cursor.pos());
 296
 297         if (isLastRow(cpit, *crit)) {
 298                 int y = cursor.y() - crit->baseline() + crit->height();
 299                 if (y > topy + bv()->workHeight())
 300                         bv()->updateScrollbar();
 301                 return;
 302         }
 303
 304         int y = topy + bv()->workHeight();
 305         if (inset_owner && !topy) {
 306                 y -= (bv()->text->cursor.y()
 307                           - bv()->top_y()
 308                           + bv()->theLockingInset()->insetInInsetY());
 309         }
 310
 311         ParagraphList::iterator dummypit;
 312         Row const & rr = *getRowNearY(y, dummypit);
 313         y = dummypit->y + rr.y_offset();
 314
 315         setCursorFromCoordinates(cursor.x_fix(), y);
 316         // + bv->workHeight());
 317         finishUndo();
 318
 319         int new_y;
 320         if (crit == bv()->text->cursorRow()) {
 321                 // we have a row which is taller than the workarea. The
 322                 // simplest solution is to move to the next row instead.
 323                 cursorDown(true);
 324                 return;
 325                 // This is what we used to do, so we wouldn't skip right past
 326                 // tall rows, but it's not working right now.
 327 #if 0
 328                 new_y = bv->top_y() + bv->workHeight();
 329 #endif
 330         }
 331
 332         if (inset_owner) {
 333                 new_y = bv()->text->cursor.y()
 334                         + bv()->theLockingInset()->insetInInsetY()
 335                         + y - crit->baseline();
 336         } else {
 337                 new_y = cursor.y() - crit->baseline();
 338         }
 339
 340
 341         nextRow(cpit, crit);
 342         LyXCursor cur;
 343         setCursor(cur, parOffset(cpit), crit->pos(), false);
 344         if (cur.y() < bv_owner->top_y() + bv()->workHeight())
 345                 cursorDown(true);
 346         bv()->updateScrollbar();
 347 }
 348
 349
 350 namespace {
 351
 352 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 353 {
 354         bv->update();
 355         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 356         replaceSelection(lt);
 357         if (!bv->insertInset(new_inset))
 358                 delete new_inset;
 359         else
 360                 bv->updateInset(new_inset);
 361 }
 362
 363
 364 void doInsertInset(LyXText * lt, FuncRequest const & cmd,
 365                    bool edit, bool pastesel)
 366 {
 367         InsetOld * inset = createInset(cmd);
 368         BufferView * bv = cmd.view();
 369
 370         if (inset) {
 371                 bool gotsel = false;
 372                 if (lt->selection.set()) {
 373                         bv->owner()->dispatch(FuncRequest(LFUN_CUT));
 374                         gotsel = true;
 375                 }
 376                 if (bv->insertInset(inset)) {
 377                         if (edit) {
 378                                 FuncRequest cmd(bv, LFUN_INSET_EDIT, "left");
 379                                 inset->dispatch(cmd);
 380                         }
 381                         if (gotsel && pastesel)
 382                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
 383                 }
 384                 else
 385                         delete inset;
 386         }
 387 }
 388
 389 } // anon namespace
 390
 391
 392 dispatch_result LyXText::dispatch(FuncRequest const & cmd)
 393 {
 394         lyxerr[Debug::ACTION] << "LyXText::dispatch: action[" << cmd.action
 395                               <<"] arg[" << cmd.argument << ']' << "xy[" <<
 396                                   cmd.x << ',' << cmd.y << ']' << endl;
 397
 398         BufferView * bv = cmd.view();
 399
 400         switch (cmd.action) {
 401
 402         case LFUN_APPENDIX: {
 403                 ParagraphList::iterator pit = cursorPar();
 404                 bool start = !pit->params().startOfAppendix();
 405
 406                 // ensure that we have only one start_of_appendix in this document
 407                 ParagraphList::iterator tmp = ownerParagraphs().begin();
 408                 ParagraphList::iterator end = ownerParagraphs().end();
 409
 410                 for (; tmp != end; ++tmp) {
 411                         if (tmp->params().startOfAppendix()) {
 412                                 recUndo(parOffset(tmp));
 413                                 tmp->params().startOfAppendix(false);
 414                                 redoParagraph(tmp);
 415                                 break;
 416                         }
 417                 }
 418
 419                 recUndo(parOffset(pit));
 420                 pit->params().startOfAppendix(start);
 421
 422                 // we can set the refreshing parameters now
 423                 updateCounters();
 424                 redoParagraph(cursorPar());
 425                 setCursor(cursorPar(), cursor.pos());
 426                 bv->update();
 427                 break;
 428         }
 429
 430         case LFUN_DELETE_WORD_FORWARD:
 431                 bv->beforeChange(this);
 432                 deleteWordForward();
 433                 finishChange(bv);
 434                 break;
 435
 436         case LFUN_DELETE_WORD_BACKWARD:
 437                 bv->beforeChange(this);
 438                 deleteWordBackward();
 439                 finishChange(bv);
 440                 break;
 441
 442         case LFUN_DELETE_LINE_FORWARD:
 443                 bv->beforeChange(this);
 444                 deleteLineForward();
 445                 finishChange(bv);
 446                 break;
 447
 448         case LFUN_WORDRIGHT:
 449                 if (!selection.mark())
 450                         bv->beforeChange(this);
 451                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 452                         cursorLeftOneWord();
 453                 else
 454                         cursorRightOneWord();
 455                 finishChange(bv);
 456                 break;
 457
 458         case LFUN_WORDLEFT:
 459                 if (!selection.mark())
 460                         bv->beforeChange(this);
 461                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 462                         cursorRightOneWord();
 463                 else
 464                         cursorLeftOneWord();
 465                 finishChange(bv);
 466                 break;
 467
 468         case LFUN_BEGINNINGBUF:
 469                 if (!selection.mark())
 470                         bv->beforeChange(this);
 471                 cursorTop();
 472                 finishChange(bv);
 473                 break;
 474
 475         case LFUN_ENDBUF:
 476                 if (selection.mark())
 477                         bv->beforeChange(this);
 478                 cursorBottom();
 479                 finishChange(bv);
 480                 break;
 481
 482         case LFUN_RIGHTSEL:
 483                 if (!selection.set())
 484                         selection.cursor = cursor;
 485                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 486                         cursorLeft(bv);
 487                 else
 488                         cursorRight(bv);
 489                 finishChange(bv, true);
 490                 break;
 491
 492         case LFUN_LEFTSEL:
 493                 if (!selection.set())
 494                         selection.cursor = cursor;
 495                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 496                         cursorRight(bv);
 497                 else
 498                         cursorLeft(bv);
 499                 finishChange(bv, true);
 500                 break;
 501
 502         case LFUN_UPSEL:
 503                 if (!selection.set())
 504                         selection.cursor = cursor;
 505                 cursorUp(true);
 506                 finishChange(bv, true);
 507                 break;
 508
 509         case LFUN_DOWNSEL:
 510                 if (!selection.set())
 511                         selection.cursor = cursor;
 512                 cursorDown(true);
 513                 finishChange(bv, true);
 514                 break;
 515
 516         case LFUN_UP_PARAGRAPHSEL:
 517                 if (!selection.set())
 518                         selection.cursor = cursor;
 519                 cursorUpParagraph();
 520                 finishChange(bv, true);
 521                 break;
 522
 523         case LFUN_DOWN_PARAGRAPHSEL:
 524                 if (!selection.set())
 525                         selection.cursor = cursor;
 526                 cursorDownParagraph();
 527                 finishChange(bv, true);
 528                 break;
 529
 530         case LFUN_PRIORSEL:
 531                 if (!selection.set())
 532                         selection.cursor = cursor;
 533                 cursorPrevious();
 534                 finishChange(bv, true);
 535                 break;
 536
 537         case LFUN_NEXTSEL:
 538                 if (!selection.set())
 539                         selection.cursor = cursor;
 540                 cursorNext();
 541                 finishChange(bv, true);
 542                 break;
 543
 544         case LFUN_HOMESEL:
 545                 if (!selection.set())
 546                         selection.cursor = cursor;
 547                 cursorHome();
 548                 finishChange(bv, true);
 549                 break;
 550
 551         case LFUN_ENDSEL:
 552                 if (!selection.set())
 553                         selection.cursor = cursor;
 554                 cursorEnd();
 555                 finishChange(bv, true);
 556                 break;
 557
 558         case LFUN_WORDRIGHTSEL:
 559                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 560                         cursorLeftOneWord();
 561                 else
 562                         cursorRightOneWord();
 563                 finishChange(bv, true);
 564                 break;
 565
 566         case LFUN_WORDLEFTSEL:
 567                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 568                         cursorRightOneWord();
 569                 else
 570                         cursorLeftOneWord();
 571                 finishChange(bv, true);
 572                 break;
 573
 574         case LFUN_WORDSEL: {
 575                 LyXCursor cur1 = cursor;
 576                 LyXCursor cur2;
 577                 ::getWord(*this, cur1, cur2, lyx::WHOLE_WORD, ownerParagraphs());
 578                 setCursor(cur1.par(), cur1.pos());
 579                 bv->beforeChange(this);
 580                 setCursor(cur2.par(), cur2.pos());
 581                 finishChange(bv, true);
 582                 break;
 583         }
 584
 585         case LFUN_RIGHT: {
 586                 bool is_rtl = cursorPar()->isRightToLeftPar(bv->buffer()->params());
 587                 if (!selection.mark())
 588                         bv->beforeChange(this);
 589                 if (is_rtl)
 590                         cursorLeft(false);
 591                 if (cursor.pos() < cursorPar()->size()
 592                     && cursorPar()->isInset(cursor.pos())
 593                     && isHighlyEditableInset(cursorPar()->getInset(cursor.pos()))) {
 594                         InsetOld * tmpinset = cursorPar()->getInset(cursor.pos());
 595                         cmd.message(tmpinset->editMessage());
 596                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "right" : "left");
 597                         tmpinset->dispatch(cmd1);
 598                         break;
 599                 }
 600                 if (!is_rtl)
 601                         cursorRight(false);
 602                 finishChange(bv);
 603                 break;
 604         }
 605
 606         case LFUN_LEFT: {
 607                 // This is soooo ugly. Isn`t it possible to make
 608                 // it simpler? (Lgb)
 609                 bool const is_rtl = cursorPar()->isRightToLeftPar(bv->buffer()->params());
 610                 if (!selection.mark())
 611                         bv->beforeChange(this);
 612                 LyXCursor const cur = cursor;
 613                 if (!is_rtl)
 614                         cursorLeft(false);
 615                 if ((is_rtl || cur != cursor) && // only if really moved!
 616                     cursor.pos() < cursorPar()->size() &&
 617                     cursorPar()->isInset(cursor.pos()) &&
 618                     isHighlyEditableInset(cursorPar()->getInset(cursor.pos()))) {
 619                         InsetOld * tmpinset = cursorPar()->getInset(cursor.pos());
 620                         cmd.message(tmpinset->editMessage());
 621                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "left" : "right");
 622                         tmpinset->dispatch(cmd1);
 623                         break;
 624                 }
 625                 if (is_rtl)
 626                         cursorRight(false);
 627                 finishChange(bv);
 628                 break;
 629         }
 630
 631         case LFUN_UP:
 632                 if (!selection.mark())
 633                         bv->beforeChange(this);
 634                 cursorUp(false);
 635                 finishChange(bv);
 636                 break;
 637
 638         case LFUN_DOWN:
 639                 if (!selection.mark())
 640                         bv->beforeChange(this);
 641                 cursorDown(false);
 642                 finishChange(bv);
 643                 break;
 644
 645         case LFUN_UP_PARAGRAPH:
 646                 if (!selection.mark())
 647                         bv->beforeChange(this);
 648                 cursorUpParagraph();
 649                 finishChange(bv);
 650                 break;
 651
 652         case LFUN_DOWN_PARAGRAPH:
 653                 if (!selection.mark())
 654                         bv->beforeChange(this);
 655                 cursorDownParagraph();
 656                 finishChange(bv, false);
 657                 break;
 658
 659         case LFUN_PRIOR:
 660                 if (!selection.mark())
 661                         bv->beforeChange(this);
 662                 cursorPrevious();
 663                 finishChange(bv, false);
 664                 break;
 665
 666         case LFUN_NEXT:
 667                 if (!selection.mark())
 668                         bv->beforeChange(this);
 669                 cursorNext();
 670                 finishChange(bv, false);
 671                 break;
 672
 673         case LFUN_HOME:
 674                 if (!selection.mark())
 675                         bv->beforeChange(this);
 676                 cursorHome();
 677                 finishChange(bv, false);
 678                 break;
 679
 680         case LFUN_END:
 681                 if (!selection.mark())
 682                         bv->beforeChange(this);
 683                 cursorEnd();
 684                 finishChange(bv, false);
 685                 break;
 686
 687         case LFUN_BREAKLINE: {
 688                 lyx::pos_type body = cursorPar()->beginningOfBody();
 689
 690                 // Not allowed by LaTeX (labels or empty par)
 691                 if (cursor.pos() <= body)
 692                         break;
 693
 694                 replaceSelection(bv->getLyXText());
 695                 insertInset(new InsetNewline);
 696                 setCursor(cursorPar(), cursor.pos());
 697                 moveCursorUpdate(bv, false);
 698                 break;
 699         }
 700
 701         case LFUN_DELETE:
 702                 if (!selection.set()) {
 703                         Delete();
 704                         selection.cursor = cursor;
 705                         // It is possible to make it a lot faster still
 706                         // just comment out the line below...
 707                 } else {
 708                         cutSelection(true, false);
 709                 }
 710                 moveCursorUpdate(bv, false);
 711                 bv->owner()->view_state_changed();
 712                 break;
 713
 714         case LFUN_DELETE_SKIP:
 715                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 716                 if (!selection.set()) {
 717                         if (cursor.pos() == cursorPar()->size()) {
 718                                 cursorRight(bv);
 719                                 ParagraphParameters & params = cursorPar()->params();
 720                                 if (cursor.pos() == 0
 721                                     && !(params.spaceTop() == VSpace (VSpace::NONE))) {
 722                                         setParagraph(
 723                                                  VSpace(VSpace::NONE),
 724                                                  params.spaceBottom(),
 725                                                  params.spacing(),
 726                                                  params.align(),
 727                                                  params.labelWidthString(), 0);
 728                                         cursorLeft(bv);
 729                                 } else {
 730                                         cursorLeft(bv);
 731                                         Delete();
 732                                         selection.cursor = cursor;
 733                                 }
 734                         } else {
 735                                 Delete();
 736                                 selection.cursor = cursor;
 737                         }
 738                 } else {
 739                         cutSelection(true, false);
 740                 }
 741                 bv->update();
 742                 break;
 743
 744
 745         case LFUN_BACKSPACE:
 746                 if (!selection.set()) {
 747                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 748                                 backspace();
 749                                 selection.cursor = cursor;
 750                                 // It is possible to make it a lot faster still
 751                                 // just comment out the line below...
 752                         }
 753                 } else {
 754                         cutSelection(true, false);
 755                 }
 756                 bv->owner()->view_state_changed();
 757                 bv->switchKeyMap();
 758                 bv->update();
 759                 break;
 760
 761         case LFUN_BACKSPACE_SKIP:
 762                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 763                 if (!selection.set()) {
 764                         ParagraphParameters & params = cursorPar()->params();
 765                         if (cursor.pos() == 0 && !(params.spaceTop() == VSpace(VSpace::NONE))) {
 766                                 setParagraph(
 767                                          VSpace(VSpace::NONE),
 768                                    params.spaceBottom(),
 769                                          params.spacing(),
 770                                          params.align(),
 771                                          params.labelWidthString(), 0);
 772                         } else {
 773                                 LyXCursor cur = cursor;
 774                                 backspace();
 775                                 selection.cursor = cur;
 776                         }
 777                 } else {
 778                         cutSelection(true, false);
 779                 }
 780                 bv->update();
 781                 break;
 782
 783         case LFUN_BREAKPARAGRAPH:
 784                 replaceSelection(bv->getLyXText());
 785                 breakParagraph(bv->buffer()->paragraphs(), 0);
 786                 bv->update();
 787                 selection.cursor = cursor;
 788                 bv->switchKeyMap();
 789                 bv->owner()->view_state_changed();
 790                 break;
 791
 792         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 793                 replaceSelection(bv->getLyXText());
 794                 breakParagraph(bv->buffer()->paragraphs(), 1);
 795                 bv->update();
 796                 selection.cursor = cursor;
 797                 bv->switchKeyMap();
 798                 bv->owner()->view_state_changed();
 799                 break;
 800
 801         case LFUN_BREAKPARAGRAPH_SKIP: {
 802                 // When at the beginning of a paragraph, remove
 803                 // indentation and add a "defskip" at the top.
 804                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 805                 LyXCursor cur = cursor;
 806                 replaceSelection(bv->getLyXText());
 807                 if (cur.pos() == 0) {
 808                         ParagraphParameters & params = getPar(cur)->params();
 809                         if (params.spaceTop() == VSpace(VSpace::NONE)) {
 810                                 setParagraph(
 811                                          VSpace(VSpace::DEFSKIP), params.spaceBottom(),
 812                                          params.spacing(),
 813                                          params.align(),
 814                                          params.labelWidthString(), 1);
 815                         }
 816                 }
 817                 else {
 818                         breakParagraph(bv->buffer()->paragraphs(), 0);
 819                 }
 820                 bv->update();
 821                 selection.cursor = cur;
 822                 bv->switchKeyMap();
 823                 bv->owner()->view_state_changed();
 824                 break;
 825         }
 826
 827         case LFUN_PARAGRAPH_SPACING: {
 828                 ParagraphList::iterator pit = cursorPar();
 829                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
 830                 float cur_value = 1.0;
 831                 if (cur_spacing == Spacing::Other)
 832                         cur_value = pit->params().spacing().getValue();
 833
 834                 istringstream is(cmd.argument);
 835                 string tmp;
 836                 is >> tmp;
 837                 Spacing::Space new_spacing = cur_spacing;
 838                 float new_value = cur_value;
 839                 if (tmp.empty()) {
 840                         lyxerr << "Missing argument to `paragraph-spacing'"
 841                                << endl;
 842                 } else if (tmp == "single") {
 843                         new_spacing = Spacing::Single;
 844                 } else if (tmp == "onehalf") {
 845                         new_spacing = Spacing::Onehalf;
 846                 } else if (tmp == "double") {
 847                         new_spacing = Spacing::Double;
 848                 } else if (tmp == "other") {
 849                         new_spacing = Spacing::Other;
 850                         float tmpval = 0.0;
 851                         is >> tmpval;
 852                         lyxerr << "new_value = " << tmpval << endl;
 853                         if (tmpval != 0.0)
 854                                 new_value = tmpval;
 855                 } else if (tmp == "default") {
 856                         new_spacing = Spacing::Default;
 857                 } else {
 858                         lyxerr << _("Unknown spacing argument: ")
 859                                << cmd.argument << endl;
 860                 }
 861                 if (cur_spacing != new_spacing || cur_value != new_value) {
 862                         pit->params().spacing(Spacing(new_spacing, new_value));
 863                         redoParagraph();
 864                         bv->update();
 865                 }
 866                 break;
 867         }
 868
 869         case LFUN_INSET_SETTINGS:
 870                 BOOST_ASSERT(bv->theLockingInset());
 871                 bv->theLockingInset()->getLockingInset()->showInsetDialog(bv);
 872                 break;
 873
 874         case LFUN_INSET_TOGGLE:
 875                 bv->beforeChange(this);
 876                 toggleInset();
 877                 bv->update();
 878                 bv->switchKeyMap();
 879                 break;
 880
 881         case LFUN_SPACE_INSERT:
 882                 if (cursorPar()->layout()->free_spacing)
 883                         insertChar(' ');
 884                 else
 885                         doInsertInset(this, cmd, false, false);
 886                 moveCursorUpdate(bv, false);
 887                 break;
 888
 889         case LFUN_HYPHENATION:
 890                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 891                 break;
 892
 893         case LFUN_LIGATURE_BREAK:
 894                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 895                 break;
 896
 897         case LFUN_LDOTS:
 898                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 899                 break;
 900
 901         case LFUN_END_OF_SENTENCE:
 902                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 903                 break;
 904
 905         case LFUN_MENU_SEPARATOR:
 906                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 907                 break;
 908
 909         case LFUN_MARK_OFF:
 910                 bv->beforeChange(this);
 911                 bv->update();
 912                 selection.cursor = cursor;
 913                 cmd.message(N_("Mark off"));
 914                 break;
 915
 916         case LFUN_MARK_ON:
 917                 bv->beforeChange(this);
 918                 selection.mark(true);
 919                 bv->update();
 920                 selection.cursor = cursor;
 921                 cmd.message(N_("Mark on"));
 922                 break;
 923
 924         case LFUN_SETMARK:
 925                 bv->beforeChange(this);
 926                 if (selection.mark()) {
 927                         cmd.message(N_("Mark removed"));
 928                 } else {
 929                         selection.mark(true);
 930                         cmd.message(N_("Mark set"));
 931                 }
 932                 selection.cursor = cursor;
 933                 bv->update();
 934                 break;
 935
 936         case LFUN_UPCASE_WORD:
 937                 changeCase(LyXText::text_uppercase);
 938                 bv->update();
 939                 break;
 940
 941         case LFUN_LOWCASE_WORD:
 942                 changeCase(LyXText::text_lowercase);
 943                 bv->update();
 944                 break;
 945
 946         case LFUN_CAPITALIZE_WORD:
 947                 changeCase(LyXText::text_capitalization);
 948                 bv->update();
 949                 break;
 950
 951         case LFUN_TRANSPOSE_CHARS:
 952                 recUndo(cursor.par());
 953                 redoParagraph();
 954                 bv->update();
 955                 break;
 956
 957         case LFUN_PASTE:
 958                 cmd.message(_("Paste"));
 959                 replaceSelection(bv->getLyXText());
 960 #warning FIXME Check if the arg is in the domain of available selections.
 961                 if (isStrUnsignedInt(cmd.argument))
 962                         pasteSelection(strToUnsignedInt(cmd.argument));
 963                 else
 964                         pasteSelection(0);
 965                 clearSelection(); // bug 393
 966                 bv->update();
 967                 bv->switchKeyMap();
 968                 finishUndo();
 969                 break;
 970
 971         case LFUN_CUT:
 972                 cutSelection(true, true);
 973                 cmd.message(_("Cut"));
 974                 bv->update();
 975                 break;
 976
 977         case LFUN_COPY:
 978                 copySelection();
 979                 cmd.message(_("Copy"));
 980                 break;
 981
 982         case LFUN_BEGINNINGBUFSEL:
 983                 if (inset_owner)
 984                         return UNDISPATCHED;
 985                 cursorTop();
 986                 finishChange(bv, true);
 987                 break;
 988
 989         case LFUN_ENDBUFSEL:
 990                 if (inset_owner)
 991                         return UNDISPATCHED;
 992                 cursorBottom();
 993                 finishChange(bv, true);
 994                 break;
 995
 996         case LFUN_GETXY:
 997                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
 998                 break;
 999
1000         case LFUN_SETXY: {
1001                 int x = 0;
1002                 int y = 0;
1003                 istringstream is(cmd.argument);
1004                 is >> x >> y;
1005                 if (!is)
1006                         lyxerr << "SETXY: Could not parse coordinates in '"
1007                                << cmd.argument << std::endl;
1008                 else
1009                         setCursorFromCoordinates(x, y);
1010                 break;
1011         }
1012
1013         case LFUN_GETFONT:
1014                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1015                         cmd.message("E");
1016                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1017                         cmd.message("N");
1018                 else
1019                         cmd.message("0");
1020                 break;
1021
1022         case LFUN_GETLAYOUT:
1023                 cmd.message(tostr(cursorPar()->layout()));
1024                 break;
1025
1026         case LFUN_LAYOUT: {
1027                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1028                   << cmd.argument << endl;
1029
1030                 // This is not the good solution to the empty argument
1031                 // problem, but it will hopefully suffice for 1.2.0.
1032                 // The correct solution would be to augument the
1033                 // function list/array with information about what
1034                 // functions needs arguments and their type.
1035                 if (cmd.argument.empty()) {
1036                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1037                         break;
1038                 }
1039
1040                 // Derive layout number from given argument (string)
1041                 // and current buffer's textclass (number)
1042                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1043                 bool hasLayout = tclass.hasLayout(cmd.argument);
1044                 string layout = cmd.argument;
1045
1046                 // If the entry is obsolete, use the new one instead.
1047                 if (hasLayout) {
1048                         string const & obs = tclass[layout]->obsoleted_by();
1049                         if (!obs.empty())
1050                                 layout = obs;
1051                 }
1052
1053                 if (!hasLayout) {
1054                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1055                                 N_(" not known"));
1056                         break;
1057                 }
1058
1059                 bool change_layout = (current_layout != layout);
1060
1061                 if (!change_layout && selection.set() &&
1062                         selection.start.par() != selection.end.par())
1063                 {
1064                         ParagraphList::iterator spit = getPar(selection.start);
1065                         ParagraphList::iterator epit = boost::next(getPar(selection.end));
1066                         while (spit != epit) {
1067                                 if (spit->layout()->name() != current_layout) {
1068                                         change_layout = true;
1069                                         break;
1070                                 }
1071                                 ++spit;
1072                         }
1073                 }
1074
1075                 if (change_layout) {
1076                         current_layout = layout;
1077                         setLayout(layout);
1078                         bv->owner()->setLayout(layout);
1079                         bv->update();
1080                         bv->switchKeyMap();
1081                 }
1082                 break;
1083         }
1084
1085         case LFUN_PASTESELECTION: {
1086                 // this was originally a beforeChange(bv->text), i.e
1087                 // the outermost LyXText!
1088                 bv->beforeChange(this);
1089                 string const clip = bv->getClipboard();
1090                 if (!clip.empty()) {
1091                         if (cmd.argument == "paragraph")
1092                                 insertStringAsParagraphs(clip);
1093                         else
1094                                 insertStringAsLines(clip);
1095                         clearSelection();
1096                         bv->update();
1097                 }
1098                 break;
1099         }
1100
1101         case LFUN_GOTOERROR:
1102                 gotoInset(InsetOld::ERROR_CODE, false);
1103                 break;
1104
1105         case LFUN_GOTONOTE:
1106                 gotoInset(InsetOld::NOTE_CODE, false);
1107                 break;
1108
1109         case LFUN_REFERENCE_GOTO:
1110         {
1111                 vector<InsetOld::Code> tmp;
1112                 tmp.push_back(InsetOld::LABEL_CODE);
1113                 tmp.push_back(InsetOld::REF_CODE);
1114                 gotoInset(tmp, true);
1115                 break;
1116         }
1117
1118         case LFUN_QUOTE: {
1119                 replaceSelection(bv->getLyXText());
1120                 ParagraphList::iterator pit = cursorPar();
1121                 lyx::pos_type pos = cursor.pos();
1122                 char c;
1123                 if (!pos)
1124                         c = ' ';
1125                 else if (pit->isInset(pos - 1) && pit->getInset(pos - 1)->isSpace())
1126                         c = ' ';
1127                 else
1128                         c = pit->getChar(pos - 1);
1129
1130                 LyXLayout_ptr const & style = pit->layout();
1131
1132                 BufferParams const & bufparams = bv->buffer()->params();
1133                 if (style->pass_thru ||
1134                     pit->getFontSettings(bufparams,pos).language()->lang() == "hebrew" ||
1135                     !bv->insertInset(new InsetQuotes(c, bufparams)))
1136                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1137                 break;
1138         }
1139
1140         case LFUN_DATE_INSERT: {
1141                 replaceSelection(bv->getLyXText());
1142                 time_t now_time_t = time(NULL);
1143                 struct tm * now_tm = localtime(&now_time_t);
1144                 setlocale(LC_TIME, "");
1145                 string arg;
1146                 if (!cmd.argument.empty())
1147                         arg = cmd.argument;
1148                 else
1149                         arg = lyxrc.date_insert_format;
1150                 char datetmp[32];
1151                 int const datetmp_len =
1152                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1153
1154                 for (int i = 0; i < datetmp_len; i++)
1155                         insertChar(datetmp[i]);
1156
1157                 selection.cursor = cursor;
1158                 moveCursorUpdate(bv, false);
1159                 break;
1160         }
1161
1162         case LFUN_MOUSE_TRIPLE:
1163                 if (!bv->buffer())
1164                         break;
1165                 if (!isInInset() && bv->theLockingInset())
1166                         break;
1167                 if (cmd.button() == mouse_button::button1) {
1168                         cursorHome();
1169                         selection.cursor = cursor;
1170                         cursorEnd();
1171                         setSelection();
1172                         bv->update();
1173                         bv->haveSelection(selection.set());
1174                 }
1175                 break;
1176
1177         case LFUN_MOUSE_DOUBLE:
1178                 if (!bv->buffer())
1179                         break;
1180                 if (!isInInset() && bv->theLockingInset())
1181                         break;
1182                 if (cmd.button() == mouse_button::button1) {
1183                         selectWord(lyx::WHOLE_WORD_STRICT);
1184                         bv->update();
1185                         bv->haveSelection(selection.set());
1186                 }
1187                 break;
1188
1189         case LFUN_MOUSE_MOTION:
1190         {
1191                 // Only use motion with button 1
1192                 //if (ev.button() != mouse_button::button1)
1193                 //      return false;
1194
1195                 if (!bv->buffer())
1196                         break;
1197
1198                 // Check for inset locking
1199                 if (bv->theLockingInset()) {
1200                         InsetOld * tli = bv->theLockingInset();
1201                         LyXCursor cursor = bv->text->cursor;
1202                         LyXFont font = bv->text->getFont(bv->text->cursorPar(), cursor.pos());
1203                         int width = tli->width();
1204                         int inset_x = font.isVisibleRightToLeft()
1205                                 ? cursor.x() - width : cursor.x();
1206                         int start_x = inset_x + tli->scroll();
1207                         FuncRequest cmd1 = cmd;
1208                         cmd1.x = cmd.x - start_x;
1209                         cmd1.y = cmd.y - cursor.y() + bv->top_y();
1210                         tli->dispatch(cmd1);
1211                         break;
1212                 }
1213
1214                 // The test for not selection possible is needed, that only motion
1215                 // events are used, where the bottom press event was on
1216                 //  the drawing area too
1217                 if (!selection_possible) {
1218                         lyxerr[Debug::ACTION]
1219                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1220                         break;
1221                 }
1222
1223                 RowList::iterator cursorrow = bv->text->cursorRow();
1224                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->top_y());
1225         #if 0
1226                 // sorry for this but I have a strange error that the y value jumps at
1227                 // a certain point. This seems like an error in my xforms library or
1228                 // in some other local environment, but I would like to leave this here
1229                 // for the moment until I can remove this (Jug 20020418)
1230                 if (y_before < bv->text->cursor.y())
1231                         lyxerr << y_before << ':'
1232                                << bv->text->cursor.y() << endl;
1233         #endif
1234                 // This is to allow jumping over large insets
1235                 if (cursorrow == bv->text->cursorRow()) {
1236                         if (cmd.y >= bv->workHeight())
1237                                 bv->text->cursorDown(false);
1238                         else if (cmd.y < 0)
1239                                 bv->text->cursorUp(false);
1240                 }
1241
1242                 bv->text->setSelection();
1243                 bv->update();
1244                 break;
1245         }
1246
1247         // Single-click on work area
1248         case LFUN_MOUSE_PRESS:
1249         {
1250                 if (!bv->buffer())
1251                         break;
1252
1253                 // ok ok, this is a hack (for xforms)
1254                 // We shouldn't go further down as we really should only do the
1255                 // scrolling and be done with this. Otherwise we may open some
1256                 // dialogs (Jug 20020424).
1257                 if (cmd.button() == mouse_button::button4) {
1258                         bv->scroll(-lyxrc.wheel_jump);
1259                         break;
1260                 }
1261                 if (cmd.button() == mouse_button::button5) {
1262                         bv->scroll(lyxrc.wheel_jump);
1263                         break;
1264                 }
1265
1266                 int x = cmd.x;
1267                 int y = cmd.y;
1268                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1269
1270                 // Middle button press pastes if we have a selection
1271                 // We do this here as if the selection was inside an inset
1272                 // it could get cleared on the unlocking of the inset so
1273                 // we have to check this first
1274                 bool paste_internally = false;
1275                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1276                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1277                         paste_internally = true;
1278                 }
1279
1280                 int const screen_first = bv->top_y();
1281
1282                 if (bv->theLockingInset()) {
1283                         // We are in inset locking mode
1284
1285                         // Check whether the inset was hit. If not reset mode,
1286                         // otherwise give the event to the inset
1287                         if (inset_hit == bv->theLockingInset()) {
1288                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1289                                 bv->theLockingInset()->dispatch(cmd1);
1290                                 break;
1291                         }
1292                         bv->unlockInset(bv->theLockingInset());
1293                 }
1294
1295                 if (!inset_hit)
1296                         selection_possible = true;
1297
1298                 // Clear the selection
1299                 bv->text->clearSelection();
1300                 bv->update();
1301                 bv->updateScrollbar();
1302
1303                 // Single left click in math inset?
1304                 if (isHighlyEditableInset(inset_hit)) {
1305                         // Highly editable inset, like math
1306                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1307                         selection_possible = false;
1308                         bv->owner()->message(inset->editMessage());
1309                         // We just have to lock the inset before calling a PressEvent on it!
1310                         if (!bv->lockInset(inset))
1311                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1312                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1313                         inset->dispatch(cmd1);
1314                         break;
1315                 }
1316                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1317
1318                 // Right click on a footnote flag opens float menu
1319                 if (cmd.button() == mouse_button::button3) {
1320                         selection_possible = false;
1321                         break;
1322                 }
1323
1324                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1325                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1326                 finishUndo();
1327                 bv->text->selection.cursor = bv->text->cursor;
1328                 bv->text->cursor.x_fix(bv->text->cursor.x());
1329
1330                 if (bv->fitCursor())
1331                         selection_possible = false;
1332
1333                 // Insert primary selection with middle mouse
1334                 // if there is a local selection in the current buffer,
1335                 // insert this
1336                 if (cmd.button() == mouse_button::button2) {
1337                         if (paste_internally)
1338                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1339                         else
1340                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1341                         selection_possible = false;
1342                 }
1343                 break;
1344         }
1345
1346         case LFUN_MOUSE_RELEASE:
1347         {
1348                 // do nothing if we used the mouse wheel
1349                 if (!bv->buffer())
1350                         break;
1351
1352                 if (cmd.button() == mouse_button::button4
1353                  || cmd.button() == mouse_button::button5)
1354                         break;
1355
1356                 // If we hit an inset, we have the inset coordinates in these
1357                 // and inset_hit points to the inset.  If we do not hit an
1358                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1359                 int x = cmd.x;
1360                 int y = cmd.y;
1361                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1362
1363                 if (bv->theLockingInset()) {
1364                         // We are in inset locking mode.
1365
1366                         // LyX does a kind of work-area grabbing for insets.
1367                         // Only a ButtonPress FuncRequest outside the inset will
1368                         // force a insetUnlock.
1369                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1370                         bv->theLockingInset()->dispatch(cmd1);
1371                         break;
1372                 }
1373
1374                 selection_possible = false;
1375
1376                 if (cmd.button() == mouse_button::button2)
1377                         break;
1378
1379                 // finish selection
1380                 if (cmd.button() == mouse_button::button1)
1381                         bv->haveSelection(selection.set());
1382
1383                 bv->switchKeyMap();
1384                 bv->owner()->view_state_changed();
1385                 bv->owner()->updateMenubar();
1386                 bv->owner()->updateToolbar();
1387
1388                 // Did we hit an editable inset?
1389                 if (inset_hit) {
1390                         selection_possible = false;
1391
1392                         // if we reach this point with a selection, it
1393                         // must mean we are currently selecting.
1394                         // But we don't want to open the inset
1395                         // because that is annoying for the user.
1396                         // So just pretend we didn't hit it.
1397                         // this is OK because a "kosher" ButtonRelease
1398                         // will follow a ButtonPress that clears
1399                         // the selection.
1400                         // Note this also fixes selection drawing
1401                         // problems if we end up opening an inset
1402                         if (selection.set())
1403                                 break;
1404
1405                         // CHECK fix this proper in 0.13
1406                         // well, maybe 13.0 !!!!!!!!!
1407
1408                         // Following a ref shouldn't issue
1409                         // a push on the undo-stack
1410                         // anylonger, now that we have
1411                         // keybindings for following
1412                         // references and returning from
1413                         // references.  IMHO though, it
1414                         // should be the inset's own business
1415                         // to push or not push on the undo
1416                         // stack. They don't *have* to
1417                         // alter the document...
1418                         // (Joacim)
1419                         // ...or maybe the recordUndo()
1420                         // below isn't necessary at all anylonger?
1421                         if (inset_hit->lyxCode() == InsetOld::REF_CODE)
1422                                 recUndo(cursor.par());
1423
1424                         bv->owner()->message(inset_hit->editMessage());
1425
1426                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1427                         inset_hit->dispatch(cmd1);
1428                 }
1429
1430                 break;
1431         }
1432
1433         case LFUN_SELFINSERT: {
1434                 if (cmd.argument.empty())
1435                         break;
1436
1437                 // Automatically delete the currently selected
1438                 // text and replace it with what is being
1439                 // typed in now. Depends on lyxrc settings
1440                 // "auto_region_delete", which defaults to
1441                 // true (on).
1442
1443                 if (lyxrc.auto_region_delete) {
1444                         if (selection.set())
1445                                 cutSelection(false, false);
1446                         bv->haveSelection(false);
1447                 }
1448
1449                 bv->beforeChange(this);
1450                 LyXFont const old_font = real_current_font;
1451
1452                 string::const_iterator cit = cmd.argument.begin();
1453                 string::const_iterator end = cmd.argument.end();
1454                 for (; cit != end; ++cit)
1455                         bv->owner()->getIntl().getTransManager().
1456                                 TranslateAndInsert(*cit, this);
1457
1458                 selection.cursor = cursor;
1459                 moveCursorUpdate(bv, false);
1460
1461                 // real_current_font.number can change so we need to
1462                 // update the minibuffer
1463                 if (old_font != real_current_font)
1464                         bv->owner()->view_state_changed();
1465                 bv->updateScrollbar();
1466                 break;
1467         }
1468
1469         case LFUN_HTMLURL: {
1470                 InsetCommandParams p("htmlurl");
1471                 string const data = InsetCommandMailer::params2string("url", p);
1472                 bv->owner()->getDialogs().show("url", data, 0);
1473                 break;
1474         }
1475
1476         case LFUN_URL: {
1477                 InsetCommandParams p("url");
1478                 string const data = InsetCommandMailer::params2string("url", p);
1479                 bv->owner()->getDialogs().show("url", data, 0);
1480                 break;
1481         }
1482
1483
1484 #if 0
1485         case LFUN_INSET_LIST:
1486         case LFUN_INSET_THEOREM:
1487         case LFUN_INSET_CAPTION:
1488 #endif
1489         case LFUN_INSERT_NOTE:
1490         case LFUN_INSERT_BOX:
1491         case LFUN_INSERT_BRANCH:
1492         case LFUN_INSERT_BIBITEM:
1493         case LFUN_INSET_ERT:
1494         case LFUN_INSET_FLOAT:
1495         case LFUN_INSET_FOOTNOTE:
1496         case LFUN_INSET_MARGINAL:
1497         case LFUN_INSET_MINIPAGE:
1498         case LFUN_INSET_OPTARG:
1499         case LFUN_INSET_WIDE_FLOAT:
1500         case LFUN_INSET_WRAP:
1501         case LFUN_TABULAR_INSERT:
1502         case LFUN_ENVIRONMENT_INSERT:
1503                 // Open the inset, and move the current selection
1504                 // inside it.
1505                 doInsertInset(this, cmd, true, true);
1506                 break;
1507
1508         case LFUN_INDEX_INSERT:
1509                 // Just open the inset
1510                 doInsertInset(this, cmd, true, false);
1511                 break;
1512
1513         case LFUN_INDEX_PRINT:
1514         case LFUN_TOC_INSERT:
1515         case LFUN_HFILL:
1516         case LFUN_INSERT_LINE:
1517         case LFUN_INSERT_PAGEBREAK:
1518                 // do nothing fancy
1519                 doInsertInset(this, cmd, false, false);
1520                 break;
1521
1522         case LFUN_DEPTH_MIN:
1523                 bv_funcs::changeDepth(bv, this, bv_funcs::DEC_DEPTH, false);
1524                 clearSelection();
1525                 bv->update();
1526                 break;
1527
1528         case LFUN_DEPTH_PLUS:
1529                 clearSelection();
1530                 bv_funcs::changeDepth(bv, this, bv_funcs::INC_DEPTH, false);
1531                 clearSelection();
1532                 bv->update();
1533                 break;
1534
1535         default:
1536                 return UNDISPATCHED;
1537         }
1538
1539         return DISPATCHED;
1540 }