src/text3.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2002 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "lyxtext.h"
  14 #include "lyxrow.h"
  15 #include "paragraph.h"
  16 #include "BufferView.h"
  17 #include "funcrequest.h"
  18 #include "lyxrc.h"
  19 #include "debug.h"
  20 #include "bufferparams.h"
  21 #include "buffer.h"
  22 #include "ParagraphParameters.h"
  23 #include "gettext.h"
  24 #include "factory.h"
  25 #include "intl.h"
  26 #include "box.h"
  27 #include "language.h"
  28 #include "support/lstrings.h"
  29 #include "frontends/LyXView.h"
  30 #include "frontends/screen.h"
  31 #include "frontends/Dialogs.h"
  32 #include "insets/insetspecialchar.h"
  33 #include "insets/insettext.h"
  34 #include "insets/insetquotes.h"
  35 #include "insets/insetcommand.h"
  36 #include "insets/insetnewline.h"
  37 #include "undo_funcs.h"
  38 #include "text_funcs.h"
  39 #include "Lsstream.h"
  40
  41 #include <ctime>
  42 #include <clocale>
  43
  44 using std::endl;
  45 using std::find;
  46 using std::vector;
  47 using lyx::pos_type;
  48
  49 extern string current_layout;
  50 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  51
  52 // the selection possible is needed, that only motion events are
  53 // used, where the bottom press event was on the drawing area too
  54 bool selection_possible = false;
  55
  56
  57 namespace {
  58
  59         void moveCursorUpdate(BufferView * bv, bool selecting)
  60         {
  61                 LyXText * lt = bv->getLyXText();
  62
  63                 if (selecting || lt->selection.mark()) {
  64                         lt->setSelection();
  65                         if (lt->isInInset())
  66                                 bv->updateInset(lt->inset_owner);
  67                         else
  68                                 bv->toggleToggle();
  69                 }
  70                 if (!lt->isInInset()) {
  71                         bv->update(lt, BufferView::SELECT);
  72                 } else if (bv->text->refreshStatus() != LyXText::REFRESH_NONE) {
  73                         bv->update(BufferView::SELECT);
  74                 }
  75
  76                 if (!lt->selection.set())
  77                         bv->haveSelection(false);
  78
  79                 bv->switchKeyMap();
  80         }
  81
  82
  83         void finishChange(BufferView * bv, bool selecting = false)
  84         {
  85                 finishUndo();
  86                 moveCursorUpdate(bv, selecting);
  87                 bv->owner()->view_state_changed();
  88         }
  89
  90         // check if the given co-ordinates are inside an inset at the
  91         // given cursor, if one exists. If so, the inset is returned,
  92         // and the co-ordinates are made relative. Otherwise, 0 is returned.
  93         Inset * checkInset(BufferView * bv, LyXText & text,
  94                 LyXCursor const & cur, int & x, int & y)
  95         {
  96                 lyx::pos_type const pos = cur.pos();
  97                 Paragraph /*const*/ & par = *cur.par();
  98
  99                 if (pos >= par.size() || !par.isInset(pos))
 100                         return 0;
 101
 102                 Inset /*const*/ * inset = par.getInset(pos);
 103
 104                 if (!isEditableInset(inset))
 105                         return 0;
 106
 107                 // get inset dimensions
 108                 lyx::Assert(par.getInset(pos));
 109
 110                 LyXFont const & font = text.getFont(bv->buffer(), &par, pos);
 111
 112                 int const width = inset->width(bv, font);
 113                 int const inset_x = font.isVisibleRightToLeft()
 114                         ? (cur.ix() - width) : cur.ix();
 115
 116                 Box b(
 117                         inset_x + inset->scroll(),
 118                         inset_x + width,
 119                         cur.iy() - inset->ascent(bv, font),
 120                         cur.iy() + inset->descent(bv, font)
 121                 );
 122
 123                 if (!b.contained(x, y)) {
 124                         lyxerr[Debug::GUI] << "Missed inset at x,y "
 125                                            << x << ',' << y
 126                                            << " box " << b << endl;
 127                         return 0;
 128                 }
 129
 130                 text.setCursor(&par, pos, true);
 131
 132                 x -= b.x1;
 133                 // The origin of an inset is on the baseline
 134                 y -= text.cursor.iy();
 135
 136                 return inset;
 137         }
 138
 139 } // anon namespace
 140
 141
 142 Inset * LyXText::checkInsetHit(int & x, int & y)
 143 {
 144         int y_tmp = y + top_y();
 145
 146         LyXCursor cur;
 147         setCursorFromCoordinates(cur, x, y_tmp);
 148
 149         Inset * inset = checkInset(bv(), *this, cur, x, y_tmp);
 150         if (inset) {
 151                 y = y_tmp;
 152                 return inset;
 153         }
 154
 155         // look at previous position
 156         if (cur.pos() == 0)
 157                 return 0;
 158
 159         // move back one
 160         setCursor(cur, cur.par(), cur.pos() - 1, true);
 161
 162         inset = checkInset(bv(), *this, cur, x, y_tmp);
 163         if (inset)
 164                 y = y_tmp;
 165         return inset;
 166 }
 167
 168
 169 bool LyXText::gotoNextInset(vector<Inset::Code> const & codes,
 170                             string const & contents)
 171 {
 172         ParagraphList::iterator end = ownerParagraphs().end();
 173         ParagraphList::iterator pit = cursor.par();
 174         pos_type pos = cursor.pos();
 175
 176         Inset * inset;
 177         do {
 178                 if (pos + 1 < pit->size()) {
 179                         ++pos;
 180                 } else  {
 181                         ++pit;
 182                         pos = 0;
 183                 }
 184
 185         } while (pit != end &&
 186                  !(pit->isInset(pos) &&
 187                    (inset = pit->getInset(pos)) != 0 &&
 188                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 189                    (contents.empty() ||
 190                     static_cast<InsetCommand *>(pit->getInset(pos))->getContents()
 191                     == contents)));
 192
 193         if (pit != end) {
 194                 setCursor(pit, pos, false);
 195                 return true;
 196         }
 197         return false;
 198 }
 199
 200
 201 void LyXText::gotoInset(vector<Inset::Code> const & codes,
 202                         bool same_content)
 203 {
 204         bv()->beforeChange(this);
 205         update();
 206
 207         string contents;
 208         if (same_content && cursor.pos() < cursor.par()->size()
 209             && cursor.par()->isInset(cursor.pos())) {
 210                 Inset const * inset = cursor.par()->getInset(cursor.pos());
 211                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 212                     != codes.end())
 213                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 214         }
 215
 216         if (!gotoNextInset(codes, contents)) {
 217                 if (cursor.pos() || cursor.par() != ownerParagraphs().begin()) {
 218                         LyXCursor tmp = cursor;
 219                         cursor.par(ownerParagraphs().begin());
 220                         cursor.pos(0);
 221                         if (!gotoNextInset(codes, contents)) {
 222                                 cursor = tmp;
 223                                 bv()->owner()->message(_("No more insets"));
 224                         }
 225                 } else {
 226                         bv()->owner()->message(_("No more insets"));
 227                 }
 228         }
 229         update();
 230         selection.cursor = cursor;
 231 }
 232
 233
 234 void LyXText::gotoInset(Inset::Code code, bool same_content)
 235 {
 236         gotoInset(vector<Inset::Code>(1, code), same_content);
 237 }
 238
 239
 240 void LyXText::cursorPrevious()
 241 {
 242         int y = top_y();
 243
 244         if (cursor.row() == rows().begin()) {
 245                 if (y > 0) {
 246                         int new_y = bv()->text->top_y() - bv()->workHeight();
 247                         bv()->screen().draw(bv()->text, bv(), new_y < 0 ? 0 : new_y);
 248                         bv()->updateScrollbar();
 249                 }
 250                 return;
 251         }
 252
 253         RowList::iterator cursorrow = cursor.row();
 254
 255         setCursorFromCoordinates(cursor.x_fix(), y);
 256         finishUndo();
 257
 258         int new_y;
 259         if (cursorrow == bv()->text->cursor.row()) {
 260                 // we have a row which is taller than the workarea. The
 261                 // simplest solution is to move to the previous row instead.
 262                 cursorUp(true);
 263                 return;
 264                 // This is what we used to do, so we wouldn't skip right past
 265                 // tall rows, but it's not working right now.
 266 #if 0
 267                 new_y = bv->text->top_y() - bv->workHeight();
 268 #endif
 269         } else {
 270                 if (inset_owner) {
 271                         new_y = bv()->text->cursor.iy()
 272                                 + bv()->theLockingInset()->insetInInsetY() + y
 273                                 + cursor.row()->height()
 274                                 - bv()->workHeight() + 1;
 275                 } else {
 276                         new_y = cursor.y()
 277                                 - cursor.row()->baseline()
 278                                 + cursor.row()->height()
 279                                 - bv()->workHeight() + 1;
 280                 }
 281         }
 282         bv()->screen().draw(bv()->text, bv(), new_y < 0 ? 0 : new_y);
 283         if (cursor.row() != rows().begin()) {
 284                 LyXCursor cur;
 285                 setCursor(cur, boost::prior(cursor.row())->par(),
 286                           boost::prior(cursor.row())->pos(), false);
 287                 if (cur.y() > top_y()) {
 288                         cursorUp(true);
 289                 }
 290         }
 291         bv()->updateScrollbar();
 292 }
 293
 294
 295 void LyXText::cursorNext()
 296 {
 297         int topy = top_y();
 298
 299         if (boost::next(cursor.row()) == rows().end()) {
 300                 int y = cursor.y() - cursor.row()->baseline() +
 301                         cursor.row()->height();
 302                 if (y > topy + bv()->workHeight()) {
 303                         bv()->screen().draw(bv()->text, bv(), bv()->text->top_y() + bv()->workHeight());
 304                         bv()->updateScrollbar();
 305                 }
 306                 return;
 307         }
 308
 309         int y = topy + bv()->workHeight();
 310         if (inset_owner && !topy) {
 311                 y -= (bv()->text->cursor.iy()
 312                           - bv()->text->top_y()
 313                           + bv()->theLockingInset()->insetInInsetY());
 314         }
 315
 316         getRowNearY(y);
 317
 318         RowList::iterator cursorrow = cursor.row();
 319         setCursorFromCoordinates(cursor.x_fix(), y);
 320         // + bv->workHeight());
 321         finishUndo();
 322
 323         int new_y;
 324         if (cursorrow == bv()->text->cursor.row()) {
 325                 // we have a row which is taller than the workarea. The
 326                 // simplest solution is to move to the next row instead.
 327                 cursorDown(true);
 328                 return;
 329                 // This is what we used to do, so we wouldn't skip right past
 330                 // tall rows, but it's not working right now.
 331 #if 0
 332                 new_y = bv->text->top_y() + bv->workHeight();
 333 #endif
 334         } else {
 335                 if (inset_owner) {
 336                         new_y = bv()->text->cursor.iy()
 337                                 + bv()->theLockingInset()->insetInInsetY()
 338                                 + y - cursor.row()->baseline();
 339                 } else {
 340                         new_y =  cursor.y() - cursor.row()->baseline();
 341                 }
 342         }
 343         bv()->screen().draw(bv()->text, bv(), new_y);
 344         if (boost::next(cursor.row()) != rows().end()) {
 345                 LyXCursor cur;
 346                 setCursor(cur, boost::next(cursor.row())->par(),
 347                           boost::next(cursor.row())->pos(), false);
 348                 if (cur.y() < top_y() + bv()->workHeight()) {
 349                         cursorDown(true);
 350                 }
 351         }
 352         bv()->updateScrollbar();
 353 }
 354
 355
 356 void LyXText::update()
 357 {
 358         bv()->update(this, BufferView::SELECT);
 359 }
 360
 361 namespace {
 362
 363 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 364 {
 365         lt->update();
 366         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 367         if (!bv->insertInset(new_inset))
 368                 delete new_inset;
 369         else
 370                 bv->updateInset(new_inset);
 371 }
 372
 373
 374 void doInsertInset(LyXText * lt, FuncRequest const & cmd,
 375                    bool edit, bool pastesel)
 376 {
 377         Inset * inset = createInset(cmd);
 378         BufferView * bv = cmd.view();
 379
 380         if (inset) {
 381                 bool gotsel = false;
 382                 if (lt->selection.set()) {
 383                         lt->cutSelection(true, false);
 384                         gotsel = true;
 385                 }
 386                 if (bv->insertInset(inset)) {
 387                         if (edit)
 388                                 inset->edit(bv);
 389                         if (gotsel && pastesel)
 390                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION));
 391                 }
 392                 else
 393                         delete inset;
 394         }
 395 }
 396
 397 }
 398
 399 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 400 {
 401         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 402                               <<"] arg[" << cmd.argument << ']' << endl;
 403
 404         BufferView * bv = cmd.view();
 405
 406         switch (cmd.action) {
 407
 408         case LFUN_APPENDIX: {
 409                 ParagraphList::iterator pit = cursor.par();
 410                 bool start = !pit->params().startOfAppendix();
 411
 412                 // ensure that we have only one start_of_appendix in this document
 413                 ParagraphList::iterator tmp = ownerParagraphs().begin();
 414                 ParagraphList::iterator end = ownerParagraphs().end();
 415
 416                 for (; tmp != end; ++tmp) {
 417                         if (tmp->params().startOfAppendix()) {
 418                                 setUndo(bv, Undo::EDIT, tmp, boost::next(tmp));
 419                                 tmp->params().startOfAppendix(false);
 420                                 int tmpy;
 421                                 setHeightOfRow(getRow(tmp, 0, tmpy));
 422                                 break;
 423                         }
 424                 }
 425
 426                 setUndo(bv, Undo::EDIT, pit, boost::next(pit));
 427                 pit->params().startOfAppendix(start);
 428
 429                 // we can set the refreshing parameters now
 430                 updateCounters();
 431                 redoHeightOfParagraph();
 432                 postPaint(0);
 433                 setCursor(cursor.par(), cursor.pos());
 434                 update();
 435                 break;
 436         }
 437
 438         case LFUN_DELETE_WORD_FORWARD:
 439                 bv->beforeChange(this);
 440                 update();
 441                 deleteWordForward();
 442                 update();
 443                 finishChange(bv);
 444                 break;
 445
 446         case LFUN_DELETE_WORD_BACKWARD:
 447                 bv->beforeChange(this);
 448                 update();
 449                 deleteWordBackward();
 450                 update();
 451                 finishChange(bv);
 452                 break;
 453
 454         case LFUN_DELETE_LINE_FORWARD:
 455                 bv->beforeChange(this);
 456                 update();
 457                 deleteLineForward();
 458                 update();
 459                 finishChange(bv);
 460                 break;
 461
 462         case LFUN_WORDRIGHT:
 463                 if (!selection.mark())
 464                         bv->beforeChange(this);
 465                 update();
 466                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 467                         cursorLeftOneWord();
 468                 else
 469                         cursorRightOneWord();
 470                 finishChange(bv);
 471                 break;
 472
 473         case LFUN_WORDLEFT:
 474                 if (!selection.mark())
 475                         bv->beforeChange(this);
 476                 update();
 477                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 478                         cursorRightOneWord();
 479                 else
 480                         cursorLeftOneWord();
 481                 finishChange(bv);
 482                 break;
 483
 484         case LFUN_BEGINNINGBUF:
 485                 if (!selection.mark())
 486                         bv->beforeChange(this);
 487                 update();
 488                 cursorTop();
 489                 finishChange(bv);
 490                 break;
 491
 492         case LFUN_ENDBUF:
 493                 if (selection.mark())
 494                         bv->beforeChange(this);
 495                 update();
 496                 cursorBottom();
 497                 finishChange(bv);
 498                 break;
 499
 500         case LFUN_RIGHTSEL:
 501                 update();
 502                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 503                         cursorLeft(bv);
 504                 else
 505                         cursorRight(bv);
 506                 finishChange(bv, true);
 507                 break;
 508
 509         case LFUN_LEFTSEL:
 510                 update();
 511                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 512                         cursorRight(bv);
 513                 else
 514                         cursorLeft(bv);
 515                 finishChange(bv, true);
 516                 break;
 517
 518         case LFUN_UPSEL:
 519                 update();
 520                 cursorUp(true);
 521                 finishChange(bv, true);
 522                 break;
 523
 524         case LFUN_DOWNSEL:
 525                 update();
 526                 cursorDown(true);
 527                 finishChange(bv, true);
 528                 break;
 529
 530         case LFUN_UP_PARAGRAPHSEL:
 531                 update();
 532                 cursorUpParagraph();
 533                 finishChange(bv, true);
 534                 break;
 535
 536         case LFUN_DOWN_PARAGRAPHSEL:
 537                 update();
 538                 cursorDownParagraph();
 539                 finishChange(bv, true);
 540                 break;
 541
 542         case LFUN_PRIORSEL:
 543                 update();
 544                 cursorPrevious();
 545                 finishChange(bv, true);
 546                 break;
 547
 548         case LFUN_NEXTSEL:
 549                 update();
 550                 cursorNext();
 551                 finishChange(bv, true);
 552                 break;
 553
 554         case LFUN_HOMESEL:
 555                 update();
 556                 cursorHome();
 557                 finishChange(bv, true);
 558                 break;
 559
 560         case LFUN_ENDSEL:
 561                 update();
 562                 cursorEnd();
 563                 finishChange(bv, true);
 564                 break;
 565
 566         case LFUN_WORDRIGHTSEL:
 567                 update();
 568                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 569                         cursorLeftOneWord();
 570                 else
 571                         cursorRightOneWord();
 572                 finishChange(bv, true);
 573                 break;
 574
 575         case LFUN_WORDLEFTSEL:
 576                 update();
 577                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 578                         cursorRightOneWord();
 579                 else
 580                         cursorLeftOneWord();
 581                 finishChange(bv, true);
 582                 break;
 583
 584         case LFUN_WORDSEL: {
 585                 update();
 586                 LyXCursor cur1;
 587                 LyXCursor cur2;
 588                 getWord(cur1, cur2, WHOLE_WORD);
 589                 setCursor(cur1.par(), cur1.pos());
 590                 bv->beforeChange(this);
 591                 setCursor(cur2.par(), cur2.pos());
 592                 finishChange(bv, true);
 593                 break;
 594         }
 595
 596         case LFUN_RIGHT: {
 597                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 598                 if (!selection.mark())
 599                         bv->beforeChange(this);
 600                 update();
 601                 if (is_rtl)
 602                         cursorLeft(false);
 603                 if (cursor.pos() < cursor.par()->size()
 604                     && cursor.par()->isInset(cursor.pos())
 605                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 606                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 607                         cmd.message(tmpinset->editMessage());
 608                         tmpinset->edit(bv, !is_rtl);
 609                         break;
 610                 }
 611                 if (!is_rtl)
 612                         cursorRight(false);
 613                 finishChange(bv);
 614                 break;
 615         }
 616
 617         case LFUN_LEFT: {
 618                 // This is soooo ugly. Isn`t it possible to make
 619                 // it simpler? (Lgb)
 620                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 621                 if (!selection.mark())
 622                         bv->beforeChange(this);
 623                 update();
 624                 LyXCursor const cur = cursor;
 625                 if (!is_rtl)
 626                         cursorLeft(false);
 627                 if ((is_rtl || cur != cursor) && // only if really moved!
 628                     cursor.pos() < cursor.par()->size() &&
 629                     cursor.par()->isInset(cursor.pos()) &&
 630                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 631                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 632                         cmd.message(tmpinset->editMessage());
 633                         tmpinset->edit(bv, is_rtl);
 634                         break;
 635                 }
 636                 if (is_rtl)
 637                         cursorRight(false);
 638                 finishChange(bv);
 639                 break;
 640         }
 641
 642         case LFUN_UP:
 643                 if (!selection.mark())
 644                         bv->beforeChange(this);
 645                 bv->update(this, BufferView::UPDATE);
 646                 cursorUp(bv);
 647                 finishChange(bv);
 648                 break;
 649
 650         case LFUN_DOWN:
 651                 if (!selection.mark())
 652                         bv->beforeChange(this);
 653                 bv->update(this, BufferView::UPDATE);
 654                 cursorDown(bv);
 655                 finishChange(bv);
 656                 break;
 657
 658         case LFUN_UP_PARAGRAPH:
 659                 if (!selection.mark())
 660                         bv->beforeChange(this);
 661                 bv->update(this, BufferView::UPDATE);
 662                 cursorUpParagraph();
 663                 finishChange(bv);
 664                 break;
 665
 666         case LFUN_DOWN_PARAGRAPH:
 667                 if (!selection.mark())
 668                         bv->beforeChange(this);
 669                 bv->update(this, BufferView::UPDATE);
 670                 cursorDownParagraph();
 671                 finishChange(bv, false);
 672                 break;
 673
 674         case LFUN_PRIOR:
 675                 if (!selection.mark())
 676                         bv->beforeChange(this);
 677                 bv->update(this, BufferView::UPDATE);
 678                 cursorPrevious();
 679                 finishChange(bv, false);
 680                 // was:
 681                 // finishUndo();
 682                 // moveCursorUpdate(bv, false, false);
 683                 // owner_->view_state_changed();
 684                 break;
 685
 686         case LFUN_NEXT:
 687                 if (!selection.mark())
 688                         bv->beforeChange(this);
 689                 bv->update(this, BufferView::UPDATE);
 690                 cursorNext();
 691                 finishChange(bv, false);
 692                 break;
 693
 694         case LFUN_HOME:
 695                 if (!selection.mark())
 696                         bv->beforeChange(this);
 697                 update();
 698                 cursorHome();
 699                 finishChange(bv, false);
 700                 break;
 701
 702         case LFUN_END:
 703                 if (!selection.mark())
 704                         bv->beforeChange(this);
 705                 update();
 706                 cursorEnd();
 707                 finishChange(bv, false);
 708                 break;
 709
 710         case LFUN_BREAKLINE: {
 711                 lyx::pos_type body = cursor.par()->beginningOfBody();
 712
 713                 // Not allowed by LaTeX (labels or empty par)
 714                 if (cursor.pos() <= body)
 715                         break;
 716
 717                 bv->beforeChange(this);
 718                 insertInset(new InsetNewline);
 719                 update();
 720                 setCursor(cursor.par(), cursor.pos());
 721                 moveCursorUpdate(bv, false);
 722                 break;
 723         }
 724
 725         case LFUN_DELETE:
 726                 if (!selection.set()) {
 727                         Delete();
 728                         selection.cursor = cursor;
 729                         update();
 730                         // It is possible to make it a lot faster still
 731                         // just comment out the line below...
 732                 } else {
 733                         update();
 734                         cutSelection(bv, true);
 735                         update();
 736                 }
 737                 moveCursorUpdate(bv, false);
 738                 bv->owner()->view_state_changed();
 739                 bv->switchKeyMap();
 740                 break;
 741
 742         case LFUN_DELETE_SKIP:
 743                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 744                 if (!selection.set()) {
 745                         LyXCursor cur = cursor;
 746                         if (cur.pos() == cur.par()->size()) {
 747                                 cursorRight(bv);
 748                                 cur = cursor;
 749                                 if (cur.pos() == 0
 750                                     && !(cur.par()->params().spaceTop()
 751                                          == VSpace (VSpace::NONE))) {
 752                                         setParagraph(
 753                                                  cur.par()->params().lineTop(),
 754                                                  cur.par()->params().lineBottom(),
 755                                                  cur.par()->params().pagebreakTop(),
 756                                                  cur.par()->params().pagebreakBottom(),
 757                                                  VSpace(VSpace::NONE),
 758                                                  cur.par()->params().spaceBottom(),
 759                                                  cur.par()->params().spacing(),
 760                                                  cur.par()->params().align(),
 761                                                  cur.par()->params().labelWidthString(), 0);
 762                                         cursorLeft(bv);
 763                                         update();
 764                                 } else {
 765                                         cursorLeft(bv);
 766                                         Delete();
 767                                         selection.cursor = cursor;
 768                                 }
 769                         } else {
 770                                 Delete();
 771                                 selection.cursor = cursor;
 772                         }
 773                 } else {
 774                         update();
 775                         cutSelection(bv, true);
 776                 }
 777                 update();
 778                 break;
 779
 780
 781         case LFUN_BACKSPACE:
 782                 if (!selection.set()) {
 783                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 784                                 backspace();
 785                                 selection.cursor = cursor;
 786                                 update();
 787                                 // It is possible to make it a lot faster still
 788                                 // just comment out the line below...
 789                         }
 790                 } else {
 791                         update();
 792                         cutSelection(bv, true);
 793                         update();
 794                 }
 795                 bv->owner()->view_state_changed();
 796                 bv->switchKeyMap();
 797                 break;
 798
 799         case LFUN_BACKSPACE_SKIP:
 800                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 801                 if (!selection.set()) {
 802                         LyXCursor cur = cursor;
 803                         if (cur.pos() == 0
 804                             && !(cur.par()->params().spaceTop()
 805                                  == VSpace (VSpace::NONE))) {
 806                                 setParagraph(
 807                                          cur.par()->params().lineTop(),
 808                                          cur.par()->params().lineBottom(),
 809                                          cur.par()->params().pagebreakTop(),
 810                                          cur.par()->params().pagebreakBottom(),
 811                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 812                                          cur.par()->params().spacing(),
 813                                          cur.par()->params().align(),
 814                                          cur.par()->params().labelWidthString(), 0);
 815                         } else {
 816                                 backspace();
 817                                 selection.cursor = cur;
 818                         }
 819                 } else {
 820                         update();
 821                         cutSelection(bv, true);
 822                 }
 823                 update();
 824                 break;
 825
 826         case LFUN_BREAKPARAGRAPH:
 827                 bv->beforeChange(this);
 828                 breakParagraph(bv->buffer()->paragraphs, 0);
 829                 update();
 830                 selection.cursor = cursor;
 831                 bv->switchKeyMap();
 832                 bv->owner()->view_state_changed();
 833                 break;
 834
 835         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 836                 bv->beforeChange(this);
 837                 breakParagraph(bv->buffer()->paragraphs, 1);
 838                 update();
 839                 selection.cursor = cursor;
 840                 bv->switchKeyMap();
 841                 bv->owner()->view_state_changed();
 842                 break;
 843
 844         case LFUN_BREAKPARAGRAPH_SKIP: {
 845                 // When at the beginning of a paragraph, remove
 846                 // indentation and add a "defskip" at the top.
 847                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 848                 LyXCursor cur = cursor;
 849                 bv->beforeChange(this);
 850                 if (cur.pos() == 0) {
 851                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 852                                 setParagraph(
 853                                          cur.par()->params().lineTop(),
 854                                          cur.par()->params().lineBottom(),
 855                                          cur.par()->params().pagebreakTop(),
 856                                          cur.par()->params().pagebreakBottom(),
 857                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 858                                          cur.par()->params().spacing(),
 859                                          cur.par()->params().align(),
 860                                          cur.par()->params().labelWidthString(), 1);
 861                         }
 862                 }
 863                 else {
 864                         breakParagraph(bv->buffer()->paragraphs, 0);
 865                 }
 866                 update();
 867                 selection.cursor = cur;
 868                 bv->switchKeyMap();
 869                 bv->owner()->view_state_changed();
 870                 break;
 871         }
 872
 873         case LFUN_PARAGRAPH_SPACING: {
 874                 ParagraphList::iterator pit = cursor.par();
 875                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
 876                 float cur_value = 1.0;
 877                 if (cur_spacing == Spacing::Other)
 878                         cur_value = pit->params().spacing().getValue();
 879
 880                 istringstream is(cmd.argument.c_str());
 881                 string tmp;
 882                 is >> tmp;
 883                 Spacing::Space new_spacing = cur_spacing;
 884                 float new_value = cur_value;
 885                 if (tmp.empty()) {
 886                         lyxerr << "Missing argument to `paragraph-spacing'"
 887                                << endl;
 888                 } else if (tmp == "single") {
 889                         new_spacing = Spacing::Single;
 890                 } else if (tmp == "onehalf") {
 891                         new_spacing = Spacing::Onehalf;
 892                 } else if (tmp == "double") {
 893                         new_spacing = Spacing::Double;
 894                 } else if (tmp == "other") {
 895                         new_spacing = Spacing::Other;
 896                         float tmpval = 0.0;
 897                         is >> tmpval;
 898                         lyxerr << "new_value = " << tmpval << endl;
 899                         if (tmpval != 0.0)
 900                                 new_value = tmpval;
 901                 } else if (tmp == "default") {
 902                         new_spacing = Spacing::Default;
 903                 } else {
 904                         lyxerr << _("Unknown spacing argument: ")
 905                                << cmd.argument << endl;
 906                 }
 907                 if (cur_spacing != new_spacing || cur_value != new_value) {
 908                         pit->params().spacing(Spacing(new_spacing, new_value));
 909                         redoParagraph();
 910                         update();
 911                 }
 912                 break;
 913         }
 914
 915         case LFUN_INSET_SETTINGS:
 916                 lyx::Assert(bv->theLockingInset());
 917                 bv->theLockingInset()->getLockingInset()->showInsetDialog(bv);
 918                 break;
 919
 920         case LFUN_INSET_TOGGLE:
 921                 bv->beforeChange(this);
 922                 update();
 923                 toggleInset();
 924                 update();
 925                 bv->switchKeyMap();
 926                 break;
 927
 928         case LFUN_PROTECTEDSPACE:
 929                 if (cursor.par()->layout()->free_spacing) {
 930                         insertChar(' ');
 931                         update();
 932                 } else {
 933                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 934                 }
 935                 moveCursorUpdate(bv, false);
 936                 break;
 937
 938         case LFUN_HYPHENATION:
 939                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 940                 break;
 941
 942         case LFUN_LIGATURE_BREAK:
 943                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 944                 break;
 945
 946         case LFUN_LDOTS:
 947                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 948                 break;
 949
 950         case LFUN_END_OF_SENTENCE:
 951                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 952                 break;
 953
 954         case LFUN_MENU_SEPARATOR:
 955                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 956                 break;
 957
 958         case LFUN_MARK_OFF:
 959                 bv->beforeChange(this);
 960                 update();
 961                 selection.cursor = cursor;
 962                 cmd.message(N_("Mark off"));
 963                 break;
 964
 965         case LFUN_MARK_ON:
 966                 bv->beforeChange(this);
 967                 selection.mark(true);
 968                 update();
 969                 selection.cursor = cursor;
 970                 cmd.message(N_("Mark on"));
 971                 break;
 972
 973         case LFUN_SETMARK:
 974                 bv->beforeChange(this);
 975                 if (selection.mark()) {
 976                         update();
 977                         cmd.message(N_("Mark removed"));
 978                 } else {
 979                         selection.mark(true);
 980                         update();
 981                         cmd.message(N_("Mark set"));
 982                 }
 983                 selection.cursor = cursor;
 984                 break;
 985
 986         case LFUN_UPCASE_WORD:
 987                 update();
 988                 changeCase(LyXText::text_uppercase);
 989                 if (inset_owner)
 990                         bv->updateInset(inset_owner);
 991                 update();
 992                 break;
 993
 994         case LFUN_LOWCASE_WORD:
 995                 update();
 996                 changeCase(LyXText::text_lowercase);
 997                 if (inset_owner)
 998                         bv->updateInset(inset_owner);
 999                 update();
1000                 break;
1001
1002         case LFUN_CAPITALIZE_WORD:
1003                 update();
1004                 changeCase(LyXText::text_capitalization);
1005                 if (inset_owner)
1006                         bv->updateInset(inset_owner);
1007                 update();
1008                 break;
1009
1010         case LFUN_TRANSPOSE_CHARS:
1011                 update();
1012                 transposeChars(*this, cursor);
1013                 if (inset_owner)
1014                         bv->updateInset(inset_owner);
1015                 update();
1016                 break;
1017
1018         case LFUN_PASTE:
1019                 cmd.message(_("Paste"));
1020                 // clear the selection
1021                 bv->toggleSelection();
1022                 clearSelection();
1023                 update();
1024                 pasteSelection();
1025                 clearSelection(); // bug 393
1026                 update();
1027                 bv->switchKeyMap();
1028                 break;
1029
1030         case LFUN_CUT:
1031                 update();
1032                 cutSelection(bv, true);
1033                 update();
1034                 cmd.message(_("Cut"));
1035                 break;
1036
1037         case LFUN_COPY:
1038                 copySelection();
1039                 cmd.message(_("Copy"));
1040                 break;
1041
1042         case LFUN_BEGINNINGBUFSEL:
1043                 if (inset_owner)
1044                         return UNDISPATCHED;
1045                 update();
1046                 cursorTop();
1047                 finishChange(bv, true);
1048                 break;
1049
1050         case LFUN_ENDBUFSEL:
1051                 if (inset_owner)
1052                         return UNDISPATCHED;
1053                 update();
1054                 cursorBottom();
1055                 finishChange(bv, true);
1056                 break;
1057
1058         case LFUN_GETXY:
1059                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1060                 break;
1061
1062         case LFUN_SETXY: {
1063                 int x = 0;
1064                 int y = 0;
1065                 istringstream is(cmd.argument.c_str());
1066                 is >> x >> y;
1067                 if (!is)
1068                         lyxerr << "SETXY: Could not parse coordinates in '"
1069                                << cmd.argument << std::endl;
1070                 else
1071                         setCursorFromCoordinates(x, y);
1072                 break;
1073         }
1074
1075         case LFUN_GETFONT:
1076                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1077                         cmd.message("E");
1078                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1079                         cmd.message("N");
1080                 else
1081                         cmd.message("0");
1082                 break;
1083
1084         case LFUN_GETLAYOUT:
1085                 cmd.message(tostr(cursor.par()->layout()));
1086                 break;
1087
1088         case LFUN_LAYOUT: {
1089                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1090                   << cmd.argument << endl;
1091
1092                 // This is not the good solution to the empty argument
1093                 // problem, but it will hopefully suffice for 1.2.0.
1094                 // The correct solution would be to augument the
1095                 // function list/array with information about what
1096                 // functions needs arguments and their type.
1097                 if (cmd.argument.empty()) {
1098                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1099                         break;
1100                 }
1101
1102                 // Derive layout number from given argument (string)
1103                 // and current buffer's textclass (number)
1104                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1105                 bool hasLayout = tclass.hasLayout(cmd.argument);
1106                 string layout = cmd.argument;
1107
1108                 // If the entry is obsolete, use the new one instead.
1109                 if (hasLayout) {
1110                         string const & obs = tclass[layout]->obsoleted_by();
1111                         if (!obs.empty())
1112                                 layout = obs;
1113                 }
1114
1115                 if (!hasLayout) {
1116                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1117                                 N_(" not known"));
1118                         break;
1119                 }
1120
1121                 bool change_layout = (current_layout != layout);
1122                 if (!change_layout && selection.set() &&
1123                         selection.start.par() != selection.end.par())
1124                 {
1125                         ParagraphList::iterator spit = selection.start.par();
1126                         ParagraphList::iterator epit = boost::next(selection.end.par());
1127                         while (spit != epit) {
1128                                 if (spit->layout()->name() != current_layout) {
1129                                         change_layout = true;
1130                                         break;
1131                                 }
1132                                 ++spit;
1133                         }
1134                 }
1135                 if (change_layout) {
1136                         current_layout = layout;
1137                         update();
1138                         setLayout(layout);
1139                         bv->owner()->setLayout(layout);
1140                         update();
1141                         bv->switchKeyMap();
1142                 }
1143                 break;
1144         }
1145
1146         case LFUN_PASTESELECTION: {
1147                 if (!bv->buffer())
1148                         break;
1149                 // this was originally a beforeChange(bv->text), i.e
1150                 // the outermost LyXText!
1151                 bv->beforeChange(this);
1152                 string const clip = bv->getClipboard();
1153                 if (!clip.empty()) {
1154                         if (cmd.argument == "paragraph")
1155                                 insertStringAsParagraphs(clip);
1156                         else
1157                                 insertStringAsLines(clip);
1158                         clearSelection();
1159                         update();
1160                 }
1161                 break;
1162         }
1163
1164         case LFUN_GOTOERROR:
1165                 gotoInset(Inset::ERROR_CODE, false);
1166                 break;
1167
1168         case LFUN_GOTONOTE:
1169                 gotoInset(Inset::NOTE_CODE, false);
1170                 break;
1171
1172         case LFUN_REFERENCE_GOTO:
1173         {
1174                 vector<Inset::Code> tmp;
1175                 tmp.push_back(Inset::LABEL_CODE);
1176                 tmp.push_back(Inset::REF_CODE);
1177                 gotoInset(tmp, true);
1178                 break;
1179         }
1180
1181         case LFUN_QUOTE: {
1182                 ParagraphList::iterator pit = cursor.par();
1183                 lyx::pos_type pos = cursor.pos();
1184                 char c;
1185                 if (!pos)
1186                         c = ' ';
1187                 else if (pit->isInset(pos - 1) && pit->getInset(pos - 1)->isSpace())
1188                         c = ' ';
1189                 else
1190                         c = pit->getChar(pos - 1);
1191
1192                 LyXLayout_ptr const & style = pit->layout();
1193
1194                 if (style->pass_thru ||
1195                                 pit->getFontSettings(bv->buffer()->params,
1196                                          pos).language()->lang() == "hebrew" ||
1197                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1198                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1199                 break;
1200         }
1201
1202         case LFUN_DATE_INSERT: {
1203                 time_t now_time_t = time(NULL);
1204                 struct tm * now_tm = localtime(&now_time_t);
1205                 setlocale(LC_TIME, "");
1206                 string arg;
1207                 if (!cmd.argument.empty())
1208                         arg = cmd.argument;
1209                 else
1210                         arg = lyxrc.date_insert_format;
1211                 char datetmp[32];
1212                 int const datetmp_len =
1213                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1214
1215                 for (int i = 0; i < datetmp_len; i++) {
1216                         insertChar(datetmp[i]);
1217                         update();
1218                 }
1219                 selection.cursor = cursor;
1220                 moveCursorUpdate(bv, false);
1221                 break;
1222         }
1223
1224         case LFUN_MOUSE_TRIPLE:
1225                 if (!bv->buffer())
1226                         break;
1227                 if (!isInInset() && bv->theLockingInset())
1228                         break;
1229                 if (cmd.button() == mouse_button::button1) {
1230                         if (!isInInset()) {
1231                                 bv->screen().toggleSelection(this, bv);
1232                         }
1233                         cursorHome();
1234                         selection.cursor = cursor;
1235                         cursorEnd();
1236                         setSelection();
1237                         if (!isInInset())
1238                                 bv->screen().toggleSelection(this, bv, false);
1239                         update();
1240                         bv->haveSelection(selection.set());
1241                 }
1242                 break;
1243
1244         case LFUN_MOUSE_DOUBLE:
1245                 if (!bv->buffer())
1246                         break;
1247                 if (!isInInset() && bv->theLockingInset())
1248                         break;
1249                 if (cmd.button() == mouse_button::button1) {
1250                         if (!isInInset()) {
1251                                 bv->screen().toggleSelection(this, bv);
1252                                 selectWord(LyXText::WHOLE_WORD_STRICT);
1253                                 bv->screen().toggleSelection(this, bv, false);
1254                         } else {
1255                                 selectWord(LyXText::WHOLE_WORD_STRICT);
1256                         }
1257                         update();
1258                         bv->haveSelection(selection.set());
1259                 }
1260                 break;
1261
1262         case LFUN_MOUSE_MOTION:
1263         {
1264                 // Only use motion with button 1
1265                 //if (ev.button() != mouse_button::button1)
1266                 //      return false;
1267
1268                 if (!bv->buffer())
1269                         break;
1270
1271                 // Check for inset locking
1272                 if (bv->theLockingInset()) {
1273                         Inset * tli = bv->theLockingInset();
1274                         LyXCursor cursor = bv->text->cursor;
1275                         LyXFont font = bv->text->getFont(bv->buffer(),
1276                                                          cursor.par(), cursor.pos());
1277                         int width = tli->width(bv, font);
1278                         int inset_x = font.isVisibleRightToLeft()
1279                                 ? cursor.ix() - width : cursor.ix();
1280                         int start_x = inset_x + tli->scroll();
1281                         FuncRequest cmd1 = cmd;
1282                         cmd1.x = cmd.x - start_x;
1283                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1284                         tli->localDispatch(cmd1);
1285                         break;
1286                 }
1287
1288                 // The test for not selection possible is needed, that only motion
1289                 // events are used, where the bottom press event was on
1290                 //  the drawing area too
1291                 if (!selection_possible) {
1292                         lyxerr[Debug::ACTION]
1293                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1294                         break;
1295                 }
1296
1297                 RowList::iterator cursorrow = bv->text->cursor.row();
1298                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->text->top_y());
1299         #if 0
1300                 // sorry for this but I have a strange error that the y value jumps at
1301                 // a certain point. This seems like an error in my xforms library or
1302                 // in some other local environment, but I would like to leave this here
1303                 // for the moment until I can remove this (Jug 20020418)
1304                 if (y_before < bv->text->cursor.y())
1305                         lyxerr << y_before << ':'
1306                                << bv->text->cursor.y() << endl;
1307         #endif
1308                 // This is to allow jumping over large insets
1309                 if (cursorrow == bv->text->cursor.row()) {
1310                         if (cmd.y >= bv->workHeight())
1311                                 bv->text->cursorDown(false);
1312                         else if (cmd.y < 0)
1313                                 bv->text->cursorUp(false);
1314                 }
1315
1316                 // Maybe an empty line was deleted
1317                 if (!bv->text->selection.set())
1318                         bv->update(BufferView::UPDATE);
1319                 bv->text->setSelection();
1320                 bv->screen().toggleToggle(bv->text, bv);
1321                 bv->fitCursor();
1322                 break;
1323         }
1324
1325         // Single-click on work area
1326         case LFUN_MOUSE_PRESS:
1327         {
1328                 if (!bv->buffer())
1329                         break;
1330
1331                 // ok ok, this is a hack (for xforms)
1332                 // We shouldn't go further down as we really should only do the
1333                 // scrolling and be done with this. Otherwise we may open some
1334                 // dialogs (Jug 20020424).
1335                 if (cmd.button() == mouse_button::button4) {
1336                         bv->scroll(-lyxrc.wheel_jump);
1337                         break;
1338                 }
1339                 if (cmd.button() == mouse_button::button5) {
1340                         bv->scroll(lyxrc.wheel_jump);
1341                         break;
1342                 }
1343
1344                 int x = cmd.x;
1345                 int y = cmd.y;
1346                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1347
1348                 // Middle button press pastes if we have a selection
1349                 // We do this here as if the selection was inside an inset
1350                 // it could get cleared on the unlocking of the inset so
1351                 // we have to check this first
1352                 bool paste_internally = false;
1353                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1354                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1355                         paste_internally = true;
1356                 }
1357
1358                 int const screen_first = bv->text->top_y();
1359
1360                 if (bv->theLockingInset()) {
1361                         // We are in inset locking mode
1362
1363                         // Check whether the inset was hit. If not reset mode,
1364                         // otherwise give the event to the inset
1365                         if (inset_hit == bv->theLockingInset()) {
1366                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1367                                 bv->theLockingInset()->localDispatch(cmd1);
1368                                 break;
1369                         }
1370                         bv->unlockInset(bv->theLockingInset());
1371                 }
1372
1373                 if (!inset_hit)
1374                         selection_possible = true;
1375
1376                 // Clear the selection
1377                 bv->screen().toggleSelection(bv->text, bv);
1378                 bv->text->clearSelection();
1379                 bv->text->fullRebreak();
1380                 bv->update();
1381                 bv->updateScrollbar();
1382
1383                 // Single left click in math inset?
1384                 if (isHighlyEditableInset(inset_hit)) {
1385                         // Highly editable inset, like math
1386                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1387                         selection_possible = false;
1388                         bv->owner()->message(inset->editMessage());
1389                         // We just have to lock the inset before calling a PressEvent on it!
1390                         if (!bv->lockInset(inset))
1391                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1392                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1393                         inset->localDispatch(cmd1);
1394                         break;
1395                 }
1396                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1397
1398                 // Right click on a footnote flag opens float menu
1399                 if (cmd.button() == mouse_button::button3) {
1400                         selection_possible = false;
1401                         break;
1402                 }
1403
1404                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1405                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1406                 finishUndo();
1407                 bv->text->selection.cursor = bv->text->cursor;
1408                 bv->text->cursor.x_fix(bv->text->cursor.x());
1409
1410                 if (bv->fitCursor())
1411                         selection_possible = false;
1412
1413                 // Insert primary selection with middle mouse
1414                 // if there is a local selection in the current buffer,
1415                 // insert this
1416                 if (cmd.button() == mouse_button::button2) {
1417                         if (paste_internally)
1418                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1419                         else
1420                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1421                         selection_possible = false;
1422                 }
1423                 break;
1424         }
1425
1426         case LFUN_MOUSE_RELEASE:
1427         {
1428                 // do nothing if we used the mouse wheel
1429                 if (!bv->buffer())
1430                         break;
1431
1432                 if (cmd.button() == mouse_button::button4
1433                  || cmd.button() == mouse_button::button5)
1434                         break;
1435
1436                 // If we hit an inset, we have the inset coordinates in these
1437                 // and inset_hit points to the inset.  If we do not hit an
1438                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1439                 int x = cmd.x;
1440                 int y = cmd.y;
1441                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1442
1443                 if (bv->theLockingInset()) {
1444                         // We are in inset locking mode.
1445
1446                         // LyX does a kind of work-area grabbing for insets.
1447                         // Only a ButtonPress FuncRequest outside the inset will
1448                         // force a insetUnlock.
1449                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1450                         bv->theLockingInset()->localDispatch(cmd1);
1451                         break;
1452                 }
1453
1454                 selection_possible = false;
1455
1456                 if (cmd.button() == mouse_button::button2)
1457                         break;
1458
1459                 // finish selection
1460                 if (cmd.button() == mouse_button::button1)
1461                         bv->haveSelection(selection.set());
1462
1463                 bv->switchKeyMap();
1464                 bv->owner()->view_state_changed();
1465                 bv->owner()->updateMenubar();
1466                 bv->owner()->updateToolbar();
1467
1468                 // Did we hit an editable inset?
1469                 if (inset_hit) {
1470                         selection_possible = false;
1471
1472                         // if we reach this point with a selection, it
1473                         // must mean we are currently selecting.
1474                         // But we don't want to open the inset
1475                         // because that is annoying for the user.
1476                         // So just pretend we didn't hit it.
1477                         // this is OK because a "kosher" ButtonRelease
1478                         // will follow a ButtonPress that clears
1479                         // the selection.
1480                         // Note this also fixes selection drawing
1481                         // problems if we end up opening an inset
1482                         if (selection.set())
1483                                 break;
1484
1485                         // CHECK fix this proper in 0.13
1486                         // well, maybe 13.0 !!!!!!!!!
1487
1488                         // Following a ref shouldn't issue
1489                         // a push on the undo-stack
1490                         // anylonger, now that we have
1491                         // keybindings for following
1492                         // references and returning from
1493                         // references.  IMHO though, it
1494                         // should be the inset's own business
1495                         // to push or not push on the undo
1496                         // stack. They don't *have* to
1497                         // alter the document...
1498                         // (Joacim)
1499                         // ...or maybe the SetCursorParUndo()
1500                         // below isn't necessary at all anylonger?
1501                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1502                                 setCursorParUndo(bv);
1503
1504                         bv->owner()->message(inset_hit->editMessage());
1505
1506                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1507                         inset_hit->localDispatch(cmd1);
1508                 }
1509
1510                 break;
1511         }
1512
1513         case LFUN_SELFINSERT: {
1514                 if (cmd.argument.empty())
1515                         break;
1516
1517                 // Automatically delete the currently selected
1518                 // text and replace it with what is being
1519                 // typed in now. Depends on lyxrc settings
1520                 // "auto_region_delete", which defaults to
1521                 // true (on).
1522
1523                 if (lyxrc.auto_region_delete) {
1524                         if (selection.set()) {
1525                                 cutSelection(false, false);
1526                                 update();
1527                         }
1528                         bv->haveSelection(false);
1529                 }
1530
1531                 bv->beforeChange(this);
1532                 LyXFont const old_font(real_current_font);
1533
1534                 string::const_iterator cit = cmd.argument.begin();
1535                 string::const_iterator end = cmd.argument.end();
1536                 for (; cit != end; ++cit)
1537                         bv->owner()->getIntl().getTransManager().
1538                                 TranslateAndInsert(*cit, this);
1539
1540                 update();
1541                 selection.cursor = cursor;
1542                 moveCursorUpdate(bv, false);
1543
1544                 // real_current_font.number can change so we need to
1545                 // update the minibuffer
1546                 if (old_font != real_current_font)
1547                         bv->owner()->view_state_changed();
1548                 break;
1549         }
1550
1551         case LFUN_HTMLURL: {
1552                 InsetCommandParams p("htmlurl");
1553                 string const data = InsetCommandMailer::params2string("url", p);
1554                 bv->owner()->getDialogs().show("url", data, 0);
1555                 break;
1556         }
1557
1558         case LFUN_URL: {
1559                 InsetCommandParams p("url");
1560                 string const data = InsetCommandMailer::params2string("url", p);
1561                 bv->owner()->getDialogs().show("url", data, 0);
1562                 break;
1563         }
1564
1565
1566 #if 0
1567         case LFUN_INSET_LIST:
1568         case LFUN_INSET_THEOREM:
1569         case LFUN_INSET_CAPTION:
1570 #endif
1571         case LFUN_INSERT_NOTE:
1572         case LFUN_INSERT_BIBITEM:
1573         case LFUN_INSET_ERT:
1574         case LFUN_INSET_FLOAT:
1575         case LFUN_INSET_FOOTNOTE:
1576         case LFUN_INSET_MARGINAL:
1577         case LFUN_INSET_MINIPAGE:
1578         case LFUN_INSET_OPTARG:
1579         case LFUN_INSET_WIDE_FLOAT:
1580         case LFUN_INSET_WRAP:
1581         case LFUN_TABULAR_INSERT:
1582         case LFUN_ENVIRONMENT_INSERT:
1583                 // Open the inset, and move the current selection
1584                 // inside it.
1585                 doInsertInset(this, cmd, true, true);
1586                 break;
1587
1588         case LFUN_INDEX_INSERT:
1589                 // Just open the inset
1590                 doInsertInset(this, cmd, true, false);
1591                 break;
1592
1593         case LFUN_INDEX_PRINT:
1594         case LFUN_PARENTINSERT:
1595         case LFUN_TOC_INSERT:
1596         case LFUN_HFILL:
1597                 // do nothing fancy
1598                 doInsertInset(this, cmd, false, false);
1599                 break;
1600
1601         default:
1602                 return UNDISPATCHED;
1603         }
1604
1605         return DISPATCHED;
1606 }