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 "Lsstream.h"
  20 #include "debug.h"
  21 #include "bufferparams.h"
  22 #include "buffer.h"
  23 #include "bufferview_funcs.h"
  24 #include "ParagraphParameters.h"
  25 #include "gettext.h"
  26 #include "factory.h"
  27 #include "intl.h"
  28 #include "box.h"
  29 #include "language.h"
  30 #include "support/tostr.h"
  31 #include "support/lstrings.h"
  32 #include "support/LAssert.h"
  33 #include "frontends/LyXView.h"
  34 #include "frontends/screen.h"
  35 #include "frontends/Dialogs.h"
  36 #include "insets/insetspecialchar.h"
  37 #include "insets/insettext.h"
  38 #include "insets/insetquotes.h"
  39 #include "insets/insetcommand.h"
  40 #include "insets/insetnewline.h"
  41 #include "undo_funcs.h"
  42 #include "text_funcs.h"
  43 #include "Lsstream.h"
  44
  45 #include <ctime>
  46 #include <clocale>
  47
  48 using namespace lyx::support;
  49 using namespace bv_funcs;
  50
  51 using std::endl;
  52 using std::find;
  53 using std::vector;
  54 using lyx::pos_type;
  55
  56 extern string current_layout;
  57 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  58
  59 // the selection possible is needed, that only motion events are
  60 // used, where the bottom press event was on the drawing area too
  61 bool selection_possible = false;
  62
  63
  64 namespace {
  65
  66         void moveCursorUpdate(BufferView * bv, bool selecting)
  67         {
  68                 LyXText * lt = bv->getLyXText();
  69
  70                 if (selecting || lt->selection.mark()) {
  71                         lt->setSelection();
  72                         if (lt->isInInset())
  73                                 bv->updateInset(lt->inset_owner);
  74                         else
  75                                 bv->repaint();
  76                 }
  77                 if (!lt->isInInset()) {
  78                         bv->update(lt, BufferView::SELECT);
  79                 } else if (bv->text->needRefresh()) {
  80                         bv->update(BufferView::SELECT);
  81                 }
  82
  83                 if (!lt->selection.set())
  84                         bv->haveSelection(false);
  85
  86                 bv->switchKeyMap();
  87         }
  88
  89
  90         void finishChange(BufferView * bv, bool selecting = false)
  91         {
  92                 finishUndo();
  93                 moveCursorUpdate(bv, selecting);
  94                 bv->owner()->view_state_changed();
  95         }
  96
  97         // check if the given co-ordinates are inside an inset at the
  98         // given cursor, if one exists. If so, the inset is returned,
  99         // and the co-ordinates are made relative. Otherwise, 0 is returned.
 100 InsetOld * checkInset(BufferView * /*bv*/, LyXText & text,
 101                 LyXCursor const & cur, int & x, int & y)
 102         {
 103                 lyx::pos_type const pos = cur.pos();
 104                 ParagraphList::iterator par = cur.par();
 105
 106                 if (pos >= par->size() || !par->isInset(pos))
 107                         return 0;
 108
 109                 InsetOld /*const*/ * inset = par->getInset(pos);
 110
 111                 if (!isEditableInset(inset))
 112                         return 0;
 113
 114                 // get inset dimensions
 115                 Assert(par->getInset(pos));
 116
 117                 LyXFont const & font = text.getFont(par, pos);
 118
 119                 int const width = inset->width();
 120                 int const inset_x = font.isVisibleRightToLeft()
 121                         ? (cur.ix() - width) : cur.ix();
 122
 123                 Box b(
 124                         inset_x + inset->scroll(),
 125                         inset_x + width,
 126                         cur.iy() - inset->ascent(),
 127                         cur.iy() + inset->descent()
 128                 );
 129
 130                 if (!b.contained(x, y)) {
 131                         lyxerr[Debug::GUI] << "Missed inset at x,y "
 132                                            << x << ',' << y
 133                                            << " box " << b << endl;
 134                         return 0;
 135                 }
 136
 137                 text.setCursor(par, pos, true);
 138
 139                 x -= b.x1;
 140                 // The origin of an inset is on the baseline
 141                 y -= text.cursor.iy();
 142
 143                 return inset;
 144         }
 145
 146 } // anon namespace
 147
 148
 149 InsetOld * LyXText::checkInsetHit(int & x, int & y)
 150 {
 151         int y_tmp = y + top_y();
 152
 153         LyXCursor cur;
 154         setCursorFromCoordinates(cur, x, y_tmp);
 155
 156         InsetOld * inset = checkInset(bv(), *this, cur, x, y_tmp);
 157         if (inset) {
 158                 y = y_tmp;
 159                 return inset;
 160         }
 161
 162         // look at previous position
 163         if (cur.pos() == 0)
 164                 return 0;
 165
 166         // move back one
 167         setCursor(cur, cur.par(), cur.pos() - 1, true);
 168
 169         inset = checkInset(bv(), *this, cur, x, y_tmp);
 170         if (inset)
 171                 y = y_tmp;
 172         return inset;
 173 }
 174
 175
 176 bool LyXText::gotoNextInset(vector<InsetOld::Code> const & codes,
 177                             string const & contents)
 178 {
 179         ParagraphList::iterator end = ownerParagraphs().end();
 180         ParagraphList::iterator pit = cursor.par();
 181         pos_type pos = cursor.pos();
 182
 183         InsetOld * inset;
 184         do {
 185                 if (pos + 1 < pit->size()) {
 186                         ++pos;
 187                 } else  {
 188                         ++pit;
 189                         pos = 0;
 190                 }
 191
 192         } while (pit != end &&
 193                  !(pit->isInset(pos) &&
 194                    (inset = pit->getInset(pos)) != 0 &&
 195                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 196                    (contents.empty() ||
 197                     static_cast<InsetCommand *>(pit->getInset(pos))->getContents()
 198                     == contents)));
 199
 200         if (pit != end) {
 201                 setCursor(pit, pos, false);
 202                 return true;
 203         }
 204         return false;
 205 }
 206
 207
 208 void LyXText::gotoInset(vector<InsetOld::Code> const & codes,
 209                         bool same_content)
 210 {
 211         bv()->beforeChange(this);
 212         update();
 213
 214         string contents;
 215         if (same_content && cursor.pos() < cursor.par()->size()
 216             && cursor.par()->isInset(cursor.pos())) {
 217                 InsetOld const * inset = cursor.par()->getInset(cursor.pos());
 218                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 219                     != codes.end())
 220                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 221         }
 222
 223         if (!gotoNextInset(codes, contents)) {
 224                 if (cursor.pos() || cursor.par() != ownerParagraphs().begin()) {
 225                         LyXCursor tmp = cursor;
 226                         cursor.par(ownerParagraphs().begin());
 227                         cursor.pos(0);
 228                         if (!gotoNextInset(codes, contents)) {
 229                                 cursor = tmp;
 230                                 bv()->owner()->message(_("No more insets"));
 231                         }
 232                 } else {
 233                         bv()->owner()->message(_("No more insets"));
 234                 }
 235         }
 236         update();
 237         selection.cursor = cursor;
 238 }
 239
 240
 241 void LyXText::gotoInset(InsetOld::Code code, bool same_content)
 242 {
 243         gotoInset(vector<InsetOld::Code>(1, code), same_content);
 244 }
 245
 246
 247 void LyXText::cursorPrevious()
 248 {
 249         int y = top_y();
 250
 251         if (cursorRow() == rows().begin()) {
 252                 if (y > 0)
 253                         bv()->updateScrollbar();
 254                 return;
 255         }
 256
 257         RowList::iterator cursorrow = cursorRow();
 258
 259         setCursorFromCoordinates(cursor.x_fix(), y);
 260         finishUndo();
 261
 262         int new_y;
 263         if (cursorrow == bv()->text->cursorRow()) {
 264                 // we have a row which is taller than the workarea. The
 265                 // simplest solution is to move to the previous row instead.
 266                 cursorUp(true);
 267                 return;
 268                 // This is what we used to do, so we wouldn't skip right past
 269                 // tall rows, but it's not working right now.
 270         } else {
 271                 if (inset_owner) {
 272                         new_y = bv()->text->cursor.iy()
 273                                 + bv()->theLockingInset()->insetInInsetY() + y
 274                                 + cursorRow()->height()
 275                                 - bv()->workHeight() + 1;
 276                 } else {
 277                         new_y = cursor.y()
 278                                 - cursorRow()->baseline()
 279                                 + cursorRow()->height()
 280                                 - bv()->workHeight() + 1;
 281                 }
 282         }
 283         //bv()->screen().draw(bv()->text, bv(), new_y < 0 ? 0 : new_y);
 284         if (cursorRow() != rows().begin()) {
 285                 LyXCursor cur;
 286                 setCursor(cur, boost::prior(cursorRow())->par(),
 287                           boost::prior(cursorRow())->pos(), false);
 288                 if (cur.y() > top_y()) {
 289                         cursorUp(true);
 290                 }
 291         }
 292         bv()->updateScrollbar();
 293 }
 294
 295
 296 void LyXText::cursorNext()
 297 {
 298         int topy = top_y();
 299
 300         if (boost::next(cursorRow()) == rows().end()) {
 301                 int y = cursor.y() - cursorRow()->baseline() +
 302                         cursorRow()->height();
 303                 if (y > topy + bv()->workHeight()) {
 304                         //bv()->screen().draw(bv()->text, bv(), bv()->text->top_y() + bv()->workHeight());
 305                         bv()->updateScrollbar();
 306                 }
 307                 return;
 308         }
 309
 310         int y = topy + bv()->workHeight();
 311         if (inset_owner && !topy) {
 312                 y -= (bv()->text->cursor.iy()
 313                           - bv()->text->top_y()
 314                           + bv()->theLockingInset()->insetInInsetY());
 315         }
 316
 317         getRowNearY(y);
 318
 319         RowList::iterator cursorrow = cursorRow();
 320         setCursorFromCoordinates(cursor.x_fix(), y);
 321         // + bv->workHeight());
 322         finishUndo();
 323
 324         int new_y;
 325         if (cursorrow == bv()->text->cursorRow()) {
 326                 // we have a row which is taller than the workarea. The
 327                 // simplest solution is to move to the next row instead.
 328                 cursorDown(true);
 329                 return;
 330                 // This is what we used to do, so we wouldn't skip right past
 331                 // tall rows, but it's not working right now.
 332 #if 0
 333                 new_y = bv->text->top_y() + bv->workHeight();
 334 #endif
 335         } else {
 336                 if (inset_owner) {
 337                         new_y = bv()->text->cursor.iy()
 338                                 + bv()->theLockingInset()->insetInInsetY()
 339                                 + y - cursorRow()->baseline();
 340                 } else {
 341                         new_y =  cursor.y() - cursorRow()->baseline();
 342                 }
 343         }
 344         //bv()->screen().draw(bv()->text, bv(), new_y);
 345
 346         RowList::iterator next_row = boost::next(cursorRow());
 347         if (next_row != rows().end()) {
 348                 LyXCursor cur;
 349                 setCursor(cur, next_row->par(), next_row->pos(), false);
 350                 if (cur.y() < top_y() + bv()->workHeight()) {
 351                         cursorDown(true);
 352                 }
 353         }
 354         bv()->updateScrollbar();
 355 }
 356
 357
 358 void LyXText::update()
 359 {
 360         bv()->update(this, BufferView::SELECT);
 361 }
 362
 363 namespace {
 364
 365 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 366 {
 367         lt->update();
 368         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 369         replaceSelection(lt);
 370         if (!bv->insertInset(new_inset))
 371                 delete new_inset;
 372         else
 373                 bv->updateInset(new_inset);
 374 }
 375
 376
 377 void doInsertInset(LyXText * lt, FuncRequest const & cmd,
 378                    bool edit, bool pastesel)
 379 {
 380         InsetOld * inset = createInset(cmd);
 381         BufferView * bv = cmd.view();
 382
 383         if (inset) {
 384                 bool gotsel = false;
 385                 if (lt->selection.set()) {
 386                         bv->owner()->dispatch(FuncRequest(LFUN_CUT));
 387                         gotsel = true;
 388                 }
 389                 if (bv->insertInset(inset)) {
 390                         if (edit) {
 391                                 FuncRequest cmd(bv, LFUN_INSET_EDIT, "left");
 392                                 inset->localDispatch(cmd);
 393                         }
 394                         if (gotsel && pastesel)
 395                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
 396                 }
 397                 else
 398                         delete inset;
 399         }
 400 }
 401
 402 }
 403
 404 InsetOld::RESULT LyXText::dispatch(FuncRequest const & cmd)
 405 {
 406         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 407                               <<"] arg[" << cmd.argument << ']' << endl;
 408
 409         BufferView * bv = cmd.view();
 410
 411         switch (cmd.action) {
 412
 413         case LFUN_APPENDIX: {
 414                 ParagraphList::iterator pit = cursor.par();
 415                 bool start = !pit->params().startOfAppendix();
 416
 417                 // ensure that we have only one start_of_appendix in this document
 418                 ParagraphList::iterator tmp = ownerParagraphs().begin();
 419                 ParagraphList::iterator end = ownerParagraphs().end();
 420
 421                 for (; tmp != end; ++tmp) {
 422                         if (tmp->params().startOfAppendix()) {
 423                                 recordUndo(bv, Undo::ATOMIC, tmp);
 424                                 tmp->params().startOfAppendix(false);
 425                                 int tmpy;
 426                                 setHeightOfRow(getRow(tmp, 0, tmpy));
 427                                 break;
 428                         }
 429                 }
 430
 431                 recordUndo(bv, Undo::ATOMIC, pit);
 432                 pit->params().startOfAppendix(start);
 433
 434                 // we can set the refreshing parameters now
 435                 updateCounters();
 436                 redoHeightOfParagraph();
 437                 postPaint();
 438                 setCursor(cursor.par(), cursor.pos());
 439                 update();
 440                 break;
 441         }
 442
 443         case LFUN_DELETE_WORD_FORWARD:
 444                 bv->beforeChange(this);
 445                 update();
 446                 deleteWordForward();
 447                 update();
 448                 finishChange(bv);
 449                 break;
 450
 451         case LFUN_DELETE_WORD_BACKWARD:
 452                 bv->beforeChange(this);
 453                 update();
 454                 deleteWordBackward();
 455                 update();
 456                 finishChange(bv);
 457                 break;
 458
 459         case LFUN_DELETE_LINE_FORWARD:
 460                 bv->beforeChange(this);
 461                 update();
 462                 deleteLineForward();
 463                 update();
 464                 finishChange(bv);
 465                 break;
 466
 467         case LFUN_WORDRIGHT:
 468                 if (!selection.mark())
 469                         bv->beforeChange(this);
 470                 update();
 471                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 472                         cursorLeftOneWord();
 473                 else
 474                         cursorRightOneWord();
 475                 finishChange(bv);
 476                 break;
 477
 478         case LFUN_WORDLEFT:
 479                 if (!selection.mark())
 480                         bv->beforeChange(this);
 481                 update();
 482                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 483                         cursorRightOneWord();
 484                 else
 485                         cursorLeftOneWord();
 486                 finishChange(bv);
 487                 break;
 488
 489         case LFUN_BEGINNINGBUF:
 490                 if (!selection.mark())
 491                         bv->beforeChange(this);
 492                 update();
 493                 cursorTop();
 494                 finishChange(bv);
 495                 break;
 496
 497         case LFUN_ENDBUF:
 498                 if (selection.mark())
 499                         bv->beforeChange(this);
 500                 update();
 501                 cursorBottom();
 502                 finishChange(bv);
 503                 break;
 504
 505         case LFUN_RIGHTSEL:
 506                 update();
 507                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 508                         cursorLeft(bv);
 509                 else
 510                         cursorRight(bv);
 511                 finishChange(bv, true);
 512                 break;
 513
 514         case LFUN_LEFTSEL:
 515                 update();
 516                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 517                         cursorRight(bv);
 518                 else
 519                         cursorLeft(bv);
 520                 finishChange(bv, true);
 521                 break;
 522
 523         case LFUN_UPSEL:
 524                 update();
 525                 cursorUp(true);
 526                 finishChange(bv, true);
 527                 break;
 528
 529         case LFUN_DOWNSEL:
 530                 update();
 531                 cursorDown(true);
 532                 finishChange(bv, true);
 533                 break;
 534
 535         case LFUN_UP_PARAGRAPHSEL:
 536                 update();
 537                 cursorUpParagraph();
 538                 finishChange(bv, true);
 539                 break;
 540
 541         case LFUN_DOWN_PARAGRAPHSEL:
 542                 update();
 543                 cursorDownParagraph();
 544                 finishChange(bv, true);
 545                 break;
 546
 547         case LFUN_PRIORSEL:
 548                 update();
 549                 cursorPrevious();
 550                 finishChange(bv, true);
 551                 break;
 552
 553         case LFUN_NEXTSEL:
 554                 update();
 555                 cursorNext();
 556                 finishChange(bv, true);
 557                 break;
 558
 559         case LFUN_HOMESEL:
 560                 update();
 561                 cursorHome();
 562                 finishChange(bv, true);
 563                 break;
 564
 565         case LFUN_ENDSEL:
 566                 update();
 567                 cursorEnd();
 568                 finishChange(bv, true);
 569                 break;
 570
 571         case LFUN_WORDRIGHTSEL:
 572                 update();
 573                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 574                         cursorLeftOneWord();
 575                 else
 576                         cursorRightOneWord();
 577                 finishChange(bv, true);
 578                 break;
 579
 580         case LFUN_WORDLEFTSEL:
 581                 update();
 582                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 583                         cursorRightOneWord();
 584                 else
 585                         cursorLeftOneWord();
 586                 finishChange(bv, true);
 587                 break;
 588
 589         case LFUN_WORDSEL: {
 590                 update();
 591                 LyXCursor cur1 = cursor;
 592                 LyXCursor cur2;
 593                 ::getWord(cur1, cur2, lyx::WHOLE_WORD, ownerParagraphs());
 594                 setCursor(cur1.par(), cur1.pos());
 595                 bv->beforeChange(this);
 596                 setCursor(cur2.par(), cur2.pos());
 597                 finishChange(bv, true);
 598                 break;
 599         }
 600
 601         case LFUN_RIGHT: {
 602                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 603                 if (!selection.mark())
 604                         bv->beforeChange(this);
 605                 update();
 606                 if (is_rtl)
 607                         cursorLeft(false);
 608                 if (cursor.pos() < cursor.par()->size()
 609                     && cursor.par()->isInset(cursor.pos())
 610                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 611                         InsetOld * tmpinset = cursor.par()->getInset(cursor.pos());
 612                         cmd.message(tmpinset->editMessage());
 613                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "right" : "left");
 614                         tmpinset->localDispatch(cmd1);
 615                         break;
 616                 }
 617                 if (!is_rtl)
 618                         cursorRight(false);
 619                 finishChange(bv);
 620                 break;
 621         }
 622
 623         case LFUN_LEFT: {
 624                 // This is soooo ugly. Isn`t it possible to make
 625                 // it simpler? (Lgb)
 626                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 627                 if (!selection.mark())
 628                         bv->beforeChange(this);
 629                 update();
 630                 LyXCursor const cur = cursor;
 631                 if (!is_rtl)
 632                         cursorLeft(false);
 633                 if ((is_rtl || cur != cursor) && // only if really moved!
 634                     cursor.pos() < cursor.par()->size() &&
 635                     cursor.par()->isInset(cursor.pos()) &&
 636                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 637                         InsetOld * tmpinset = cursor.par()->getInset(cursor.pos());
 638                         cmd.message(tmpinset->editMessage());
 639                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "left" : "right");
 640                         tmpinset->localDispatch(cmd1);
 641                         break;
 642                 }
 643                 if (is_rtl)
 644                         cursorRight(false);
 645                 finishChange(bv);
 646                 break;
 647         }
 648
 649         case LFUN_UP:
 650                 if (!selection.mark())
 651                         bv->beforeChange(this);
 652                 bv->update(this, BufferView::UPDATE);
 653                 cursorUp(false);
 654                 finishChange(bv);
 655                 break;
 656
 657         case LFUN_DOWN:
 658                 if (!selection.mark())
 659                         bv->beforeChange(this);
 660                 bv->update(this, BufferView::UPDATE);
 661                 cursorDown(false);
 662                 finishChange(bv);
 663                 break;
 664
 665         case LFUN_UP_PARAGRAPH:
 666                 if (!selection.mark())
 667                         bv->beforeChange(this);
 668                 bv->update(this, BufferView::UPDATE);
 669                 cursorUpParagraph();
 670                 finishChange(bv);
 671                 break;
 672
 673         case LFUN_DOWN_PARAGRAPH:
 674                 if (!selection.mark())
 675                         bv->beforeChange(this);
 676                 bv->update(this, BufferView::UPDATE);
 677                 cursorDownParagraph();
 678                 finishChange(bv, false);
 679                 break;
 680
 681         case LFUN_PRIOR:
 682                 if (!selection.mark())
 683                         bv->beforeChange(this);
 684                 bv->update(this, BufferView::UPDATE);
 685                 cursorPrevious();
 686                 finishChange(bv, false);
 687                 break;
 688
 689         case LFUN_NEXT:
 690                 if (!selection.mark())
 691                         bv->beforeChange(this);
 692                 bv->update(this, BufferView::UPDATE);
 693                 cursorNext();
 694                 finishChange(bv, false);
 695                 break;
 696
 697         case LFUN_HOME:
 698                 if (!selection.mark())
 699                         bv->beforeChange(this);
 700                 update();
 701                 cursorHome();
 702                 finishChange(bv, false);
 703                 break;
 704
 705         case LFUN_END:
 706                 if (!selection.mark())
 707                         bv->beforeChange(this);
 708                 update();
 709                 cursorEnd();
 710                 finishChange(bv, false);
 711                 break;
 712
 713         case LFUN_BREAKLINE: {
 714                 lyx::pos_type body = cursor.par()->beginningOfBody();
 715
 716                 // Not allowed by LaTeX (labels or empty par)
 717                 if (cursor.pos() <= body)
 718                         break;
 719
 720                 replaceSelection(bv->getLyXText());
 721                 insertInset(new InsetNewline);
 722                 update();
 723                 setCursor(cursor.par(), cursor.pos());
 724                 moveCursorUpdate(bv, false);
 725                 break;
 726         }
 727
 728         case LFUN_DELETE:
 729                 if (!selection.set()) {
 730                         Delete();
 731                         selection.cursor = cursor;
 732                         update();
 733                         // It is possible to make it a lot faster still
 734                         // just comment out the line below...
 735                 } else {
 736                         update();
 737                         cutSelection(true, false);
 738                         update();
 739                 }
 740                 moveCursorUpdate(bv, false);
 741                 bv->owner()->view_state_changed();
 742                 bv->switchKeyMap();
 743                 break;
 744
 745         case LFUN_DELETE_SKIP:
 746                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 747                 if (!selection.set()) {
 748                         LyXCursor cur = cursor;
 749                         if (cur.pos() == cur.par()->size()) {
 750                                 cursorRight(bv);
 751                                 cur = cursor;
 752                                 if (cur.pos() == 0
 753                                     && !(cur.par()->params().spaceTop()
 754                                          == VSpace (VSpace::NONE))) {
 755                                         setParagraph(
 756                                                  cur.par()->params().lineTop(),
 757                                                  cur.par()->params().lineBottom(),
 758                                                  cur.par()->params().pagebreakTop(),
 759                                                  cur.par()->params().pagebreakBottom(),
 760                                                  VSpace(VSpace::NONE),
 761                                                  cur.par()->params().spaceBottom(),
 762                                                  cur.par()->params().spacing(),
 763                                                  cur.par()->params().align(),
 764                                                  cur.par()->params().labelWidthString(), 0);
 765                                         cursorLeft(bv);
 766                                         update();
 767                                 } else {
 768                                         cursorLeft(bv);
 769                                         Delete();
 770                                         selection.cursor = cursor;
 771                                 }
 772                         } else {
 773                                 Delete();
 774                                 selection.cursor = cursor;
 775                         }
 776                 } else {
 777                         update();
 778                         cutSelection(true, false);
 779                 }
 780                 update();
 781                 break;
 782
 783
 784         case LFUN_BACKSPACE:
 785                 if (!selection.set()) {
 786                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 787                                 backspace();
 788                                 selection.cursor = cursor;
 789                                 update();
 790                                 // It is possible to make it a lot faster still
 791                                 // just comment out the line below...
 792                         }
 793                 } else {
 794                         update();
 795                         cutSelection(true, false);
 796                         update();
 797                 }
 798                 bv->owner()->view_state_changed();
 799                 bv->switchKeyMap();
 800                 break;
 801
 802         case LFUN_BACKSPACE_SKIP:
 803                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 804                 if (!selection.set()) {
 805                         LyXCursor cur = cursor;
 806                         if (cur.pos() == 0
 807                             && !(cur.par()->params().spaceTop()
 808                                  == VSpace (VSpace::NONE))) {
 809                                 setParagraph(
 810                                          cur.par()->params().lineTop(),
 811                                          cur.par()->params().lineBottom(),
 812                                          cur.par()->params().pagebreakTop(),
 813                                          cur.par()->params().pagebreakBottom(),
 814                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 815                                          cur.par()->params().spacing(),
 816                                          cur.par()->params().align(),
 817                                          cur.par()->params().labelWidthString(), 0);
 818                         } else {
 819                                 backspace();
 820                                 selection.cursor = cur;
 821                         }
 822                 } else {
 823                         update();
 824                         cutSelection(true, false);
 825                 }
 826                 update();
 827                 break;
 828
 829         case LFUN_BREAKPARAGRAPH:
 830                 replaceSelection(bv->getLyXText());
 831                 breakParagraph(bv->buffer()->paragraphs, 0);
 832                 update();
 833                 selection.cursor = cursor;
 834                 bv->switchKeyMap();
 835                 bv->owner()->view_state_changed();
 836                 break;
 837
 838         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 839                 replaceSelection(bv->getLyXText());
 840                 breakParagraph(bv->buffer()->paragraphs, 1);
 841                 update();
 842                 selection.cursor = cursor;
 843                 bv->switchKeyMap();
 844                 bv->owner()->view_state_changed();
 845                 break;
 846
 847         case LFUN_BREAKPARAGRAPH_SKIP: {
 848                 // When at the beginning of a paragraph, remove
 849                 // indentation and add a "defskip" at the top.
 850                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 851                 LyXCursor cur = cursor;
 852                 replaceSelection(bv->getLyXText());
 853                 if (cur.pos() == 0) {
 854                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 855                                 setParagraph(
 856                                          cur.par()->params().lineTop(),
 857                                          cur.par()->params().lineBottom(),
 858                                          cur.par()->params().pagebreakTop(),
 859                                          cur.par()->params().pagebreakBottom(),
 860                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 861                                          cur.par()->params().spacing(),
 862                                          cur.par()->params().align(),
 863                                          cur.par()->params().labelWidthString(), 1);
 864                         }
 865                 }
 866                 else {
 867                         breakParagraph(bv->buffer()->paragraphs, 0);
 868                 }
 869                 update();
 870                 selection.cursor = cur;
 871                 bv->switchKeyMap();
 872                 bv->owner()->view_state_changed();
 873                 break;
 874         }
 875
 876         case LFUN_PARAGRAPH_SPACING: {
 877                 ParagraphList::iterator pit = cursor.par();
 878                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
 879                 float cur_value = 1.0;
 880                 if (cur_spacing == Spacing::Other)
 881                         cur_value = pit->params().spacing().getValue();
 882
 883                 istringstream is(STRCONV(cmd.argument));
 884                 string tmp;
 885                 is >> tmp;
 886                 Spacing::Space new_spacing = cur_spacing;
 887                 float new_value = cur_value;
 888                 if (tmp.empty()) {
 889                         lyxerr << "Missing argument to `paragraph-spacing'"
 890                                << endl;
 891                 } else if (tmp == "single") {
 892                         new_spacing = Spacing::Single;
 893                 } else if (tmp == "onehalf") {
 894                         new_spacing = Spacing::Onehalf;
 895                 } else if (tmp == "double") {
 896                         new_spacing = Spacing::Double;
 897                 } else if (tmp == "other") {
 898                         new_spacing = Spacing::Other;
 899                         float tmpval = 0.0;
 900                         is >> tmpval;
 901                         lyxerr << "new_value = " << tmpval << endl;
 902                         if (tmpval != 0.0)
 903                                 new_value = tmpval;
 904                 } else if (tmp == "default") {
 905                         new_spacing = Spacing::Default;
 906                 } else {
 907                         lyxerr << _("Unknown spacing argument: ")
 908                                << cmd.argument << endl;
 909                 }
 910                 if (cur_spacing != new_spacing || cur_value != new_value) {
 911                         pit->params().spacing(Spacing(new_spacing, new_value));
 912                         redoParagraph();
 913                         update();
 914                 }
 915                 break;
 916         }
 917
 918         case LFUN_INSET_SETTINGS:
 919                 Assert(bv->theLockingInset());
 920                 bv->theLockingInset()->getLockingInset()->showInsetDialog(bv);
 921                 break;
 922
 923         case LFUN_INSET_TOGGLE:
 924                 bv->beforeChange(this);
 925                 update();
 926                 toggleInset();
 927                 update();
 928                 bv->switchKeyMap();
 929                 break;
 930
 931         case LFUN_SPACE_INSERT:
 932                 if (cursor.par()->layout()->free_spacing) {
 933                         insertChar(' ');
 934                         update();
 935                 } else {
 936                         doInsertInset(this, cmd, false, false);
 937                 }
 938                 moveCursorUpdate(bv, false);
 939                 break;
 940
 941         case LFUN_HYPHENATION:
 942                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 943                 break;
 944
 945         case LFUN_LIGATURE_BREAK:
 946                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 947                 break;
 948
 949         case LFUN_LDOTS:
 950                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 951                 break;
 952
 953         case LFUN_END_OF_SENTENCE:
 954                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 955                 break;
 956
 957         case LFUN_MENU_SEPARATOR:
 958                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 959                 break;
 960
 961         case LFUN_MARK_OFF:
 962                 bv->beforeChange(this);
 963                 update();
 964                 selection.cursor = cursor;
 965                 cmd.message(N_("Mark off"));
 966                 break;
 967
 968         case LFUN_MARK_ON:
 969                 bv->beforeChange(this);
 970                 selection.mark(true);
 971                 update();
 972                 selection.cursor = cursor;
 973                 cmd.message(N_("Mark on"));
 974                 break;
 975
 976         case LFUN_SETMARK:
 977                 bv->beforeChange(this);
 978                 if (selection.mark()) {
 979                         update();
 980                         cmd.message(N_("Mark removed"));
 981                 } else {
 982                         selection.mark(true);
 983                         update();
 984                         cmd.message(N_("Mark set"));
 985                 }
 986                 selection.cursor = cursor;
 987                 break;
 988
 989         case LFUN_UPCASE_WORD:
 990                 update();
 991                 changeCase(LyXText::text_uppercase);
 992                 if (inset_owner)
 993                         bv->updateInset(inset_owner);
 994                 update();
 995                 break;
 996
 997         case LFUN_LOWCASE_WORD:
 998                 update();
 999                 changeCase(LyXText::text_lowercase);
1000                 if (inset_owner)
1001                         bv->updateInset(inset_owner);
1002                 update();
1003                 break;
1004
1005         case LFUN_CAPITALIZE_WORD:
1006                 update();
1007                 changeCase(LyXText::text_capitalization);
1008                 if (inset_owner)
1009                         bv->updateInset(inset_owner);
1010                 update();
1011                 break;
1012
1013         case LFUN_TRANSPOSE_CHARS:
1014                 update();
1015                 recordUndo(bv, Undo::ATOMIC, cursor.par());
1016                 if (transposeChars(cursor))
1017                         checkParagraph(cursor.par(), cursor.pos());
1018                 if (inset_owner)
1019                         bv->updateInset(inset_owner);
1020                 update();
1021                 break;
1022
1023         case LFUN_PASTE: {
1024                 cmd.message(_("Paste"));
1025                 replaceSelection(bv->getLyXText());
1026                 size_t sel_index = 0;
1027                 string const & arg = cmd.argument;
1028                 if (isStrUnsignedInt(arg)) {
1029                         size_t const paste_arg = strToUnsignedInt(arg);
1030 #warning FIXME Check if the arg is in the domain of available selections.
1031                         sel_index = paste_arg;
1032                 }
1033                 pasteSelection(sel_index);
1034                 clearSelection(); // bug 393
1035                 update();
1036                 bv->switchKeyMap();
1037                 break;
1038         }
1039
1040         case LFUN_CUT:
1041                 update();
1042                 cutSelection(true, true);
1043                 update();
1044                 cmd.message(_("Cut"));
1045                 break;
1046
1047         case LFUN_COPY:
1048                 copySelection();
1049                 cmd.message(_("Copy"));
1050                 break;
1051
1052         case LFUN_BEGINNINGBUFSEL:
1053                 if (inset_owner)
1054                         return UNDISPATCHED;
1055                 update();
1056                 cursorTop();
1057                 finishChange(bv, true);
1058                 break;
1059
1060         case LFUN_ENDBUFSEL:
1061                 if (inset_owner)
1062                         return UNDISPATCHED;
1063                 update();
1064                 cursorBottom();
1065                 finishChange(bv, true);
1066                 break;
1067
1068         case LFUN_GETXY:
1069                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1070                 break;
1071
1072         case LFUN_SETXY: {
1073                 int x = 0;
1074                 int y = 0;
1075                 istringstream is(STRCONV(cmd.argument));
1076                 is >> x >> y;
1077                 if (!is)
1078                         lyxerr << "SETXY: Could not parse coordinates in '"
1079                                << cmd.argument << std::endl;
1080                 else
1081                         setCursorFromCoordinates(x, y);
1082                 break;
1083         }
1084
1085         case LFUN_GETFONT:
1086                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1087                         cmd.message("E");
1088                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1089                         cmd.message("N");
1090                 else
1091                         cmd.message("0");
1092                 break;
1093
1094         case LFUN_GETLAYOUT:
1095                 cmd.message(tostr(cursor.par()->layout()));
1096                 break;
1097
1098         case LFUN_LAYOUT: {
1099                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1100                   << cmd.argument << endl;
1101
1102                 // This is not the good solution to the empty argument
1103                 // problem, but it will hopefully suffice for 1.2.0.
1104                 // The correct solution would be to augument the
1105                 // function list/array with information about what
1106                 // functions needs arguments and their type.
1107                 if (cmd.argument.empty()) {
1108                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1109                         break;
1110                 }
1111
1112                 // Derive layout number from given argument (string)
1113                 // and current buffer's textclass (number)
1114                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1115                 bool hasLayout = tclass.hasLayout(cmd.argument);
1116                 string layout = cmd.argument;
1117
1118                 // If the entry is obsolete, use the new one instead.
1119                 if (hasLayout) {
1120                         string const & obs = tclass[layout]->obsoleted_by();
1121                         if (!obs.empty())
1122                                 layout = obs;
1123                 }
1124
1125                 if (!hasLayout) {
1126                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1127                                 N_(" not known"));
1128                         break;
1129                 }
1130
1131                 bool change_layout = (current_layout != layout);
1132
1133                 if (!change_layout && selection.set() &&
1134                         selection.start.par() != selection.end.par())
1135                 {
1136                         ParagraphList::iterator spit = selection.start.par();
1137                         ParagraphList::iterator epit = boost::next(selection.end.par());
1138                         while (spit != epit) {
1139                                 if (spit->layout()->name() != current_layout) {
1140                                         change_layout = true;
1141                                         break;
1142                                 }
1143                                 ++spit;
1144                         }
1145                 }
1146
1147                 if (change_layout) {
1148                         current_layout = layout;
1149                         update();
1150                         setLayout(layout);
1151                         bv->owner()->setLayout(layout);
1152                         update();
1153                         bv->switchKeyMap();
1154                 }
1155                 break;
1156         }
1157
1158         case LFUN_PASTESELECTION: {
1159                 if (!bv->buffer())
1160                         break;
1161                 // this was originally a beforeChange(bv->text), i.e
1162                 // the outermost LyXText!
1163                 bv->beforeChange(this);
1164                 string const clip = bv->getClipboard();
1165                 if (!clip.empty()) {
1166                         if (cmd.argument == "paragraph")
1167                                 insertStringAsParagraphs(clip);
1168                         else
1169                                 insertStringAsLines(clip);
1170                         clearSelection();
1171                         update();
1172                 }
1173                 break;
1174         }
1175
1176         case LFUN_GOTOERROR:
1177                 gotoInset(InsetOld::ERROR_CODE, false);
1178                 break;
1179
1180         case LFUN_GOTONOTE:
1181                 gotoInset(InsetOld::NOTE_CODE, false);
1182                 break;
1183
1184         case LFUN_REFERENCE_GOTO:
1185         {
1186                 vector<InsetOld::Code> tmp;
1187                 tmp.push_back(InsetOld::LABEL_CODE);
1188                 tmp.push_back(InsetOld::REF_CODE);
1189                 gotoInset(tmp, true);
1190                 break;
1191         }
1192
1193         case LFUN_QUOTE: {
1194                 replaceSelection(bv->getLyXText());
1195                 ParagraphList::iterator pit = cursor.par();
1196                 lyx::pos_type pos = cursor.pos();
1197                 char c;
1198                 if (!pos)
1199                         c = ' ';
1200                 else if (pit->isInset(pos - 1) && pit->getInset(pos - 1)->isSpace())
1201                         c = ' ';
1202                 else
1203                         c = pit->getChar(pos - 1);
1204
1205                 LyXLayout_ptr const & style = pit->layout();
1206
1207                 if (style->pass_thru ||
1208                                 pit->getFontSettings(bv->buffer()->params,
1209                                          pos).language()->lang() == "hebrew" ||
1210                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1211                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1212                 break;
1213         }
1214
1215         case LFUN_DATE_INSERT: {
1216                 replaceSelection(bv->getLyXText());
1217                 time_t now_time_t = time(NULL);
1218                 struct tm * now_tm = localtime(&now_time_t);
1219                 setlocale(LC_TIME, "");
1220                 string arg;
1221                 if (!cmd.argument.empty())
1222                         arg = cmd.argument;
1223                 else
1224                         arg = lyxrc.date_insert_format;
1225                 char datetmp[32];
1226                 int const datetmp_len =
1227                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1228
1229                 for (int i = 0; i < datetmp_len; i++) {
1230                         insertChar(datetmp[i]);
1231                         update();
1232                 }
1233                 selection.cursor = cursor;
1234                 moveCursorUpdate(bv, false);
1235                 break;
1236         }
1237
1238         case LFUN_MOUSE_TRIPLE:
1239                 if (!bv->buffer())
1240                         break;
1241                 if (!isInInset() && bv->theLockingInset())
1242                         break;
1243                 if (cmd.button() == mouse_button::button1) {
1244                         if (!isInInset()) {
1245                                 bv->screen().toggleSelection(this, bv);
1246                         }
1247                         cursorHome();
1248                         selection.cursor = cursor;
1249                         cursorEnd();
1250                         setSelection();
1251                         if (!isInInset())
1252                                 bv->screen().toggleSelection(this, bv, false);
1253                         update();
1254                         bv->haveSelection(selection.set());
1255                 }
1256                 break;
1257
1258         case LFUN_MOUSE_DOUBLE:
1259                 if (!bv->buffer())
1260                         break;
1261                 if (!isInInset() && bv->theLockingInset())
1262                         break;
1263                 if (cmd.button() == mouse_button::button1) {
1264                         if (!isInInset()) {
1265                                 bv->screen().toggleSelection(this, bv);
1266                                 selectWord(lyx::WHOLE_WORD_STRICT);
1267                                 bv->screen().toggleSelection(this, bv, false);
1268                         } else {
1269                                 selectWord(lyx::WHOLE_WORD_STRICT);
1270                         }
1271                         update();
1272                         bv->haveSelection(selection.set());
1273                 }
1274                 break;
1275
1276         case LFUN_MOUSE_MOTION:
1277         {
1278                 // Only use motion with button 1
1279                 //if (ev.button() != mouse_button::button1)
1280                 //      return false;
1281
1282                 if (!bv->buffer())
1283                         break;
1284
1285                 // Check for inset locking
1286                 if (bv->theLockingInset()) {
1287                         InsetOld * tli = bv->theLockingInset();
1288                         LyXCursor cursor = bv->text->cursor;
1289                         LyXFont font = bv->text->getFont(cursor.par(), cursor.pos());
1290                         int width = tli->width();
1291                         int inset_x = font.isVisibleRightToLeft()
1292                                 ? cursor.ix() - width : cursor.ix();
1293                         int start_x = inset_x + tli->scroll();
1294                         FuncRequest cmd1 = cmd;
1295                         cmd1.x = cmd.x - start_x;
1296                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1297                         tli->localDispatch(cmd1);
1298                         break;
1299                 }
1300
1301                 // The test for not selection possible is needed, that only motion
1302                 // events are used, where the bottom press event was on
1303                 //  the drawing area too
1304                 if (!selection_possible) {
1305                         lyxerr[Debug::ACTION]
1306                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1307                         break;
1308                 }
1309
1310                 RowList::iterator cursorrow = bv->text->cursorRow();
1311                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->text->top_y());
1312         #if 0
1313                 // sorry for this but I have a strange error that the y value jumps at
1314                 // a certain point. This seems like an error in my xforms library or
1315                 // in some other local environment, but I would like to leave this here
1316                 // for the moment until I can remove this (Jug 20020418)
1317                 if (y_before < bv->text->cursor.y())
1318                         lyxerr << y_before << ':'
1319                                << bv->text->cursor.y() << endl;
1320         #endif
1321                 // This is to allow jumping over large insets
1322                 if (cursorrow == bv->text->cursorRow()) {
1323                         if (cmd.y >= bv->workHeight())
1324                                 bv->text->cursorDown(false);
1325                         else if (cmd.y < 0)
1326                                 bv->text->cursorUp(false);
1327                 }
1328
1329                 // Maybe an empty line was deleted
1330                 if (!bv->text->selection.set())
1331                         bv->update(BufferView::UPDATE);
1332                 bv->text->setSelection();
1333                 bv->repaint();
1334                 bv->fitCursor();
1335                 break;
1336         }
1337
1338         // Single-click on work area
1339         case LFUN_MOUSE_PRESS:
1340         {
1341                 if (!bv->buffer())
1342                         break;
1343
1344                 // ok ok, this is a hack (for xforms)
1345                 // We shouldn't go further down as we really should only do the
1346                 // scrolling and be done with this. Otherwise we may open some
1347                 // dialogs (Jug 20020424).
1348                 if (cmd.button() == mouse_button::button4) {
1349                         bv->scroll(-lyxrc.wheel_jump);
1350                         break;
1351                 }
1352                 if (cmd.button() == mouse_button::button5) {
1353                         bv->scroll(lyxrc.wheel_jump);
1354                         break;
1355                 }
1356
1357                 int x = cmd.x;
1358                 int y = cmd.y;
1359                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1360
1361                 // Middle button press pastes if we have a selection
1362                 // We do this here as if the selection was inside an inset
1363                 // it could get cleared on the unlocking of the inset so
1364                 // we have to check this first
1365                 bool paste_internally = false;
1366                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1367                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1368                         paste_internally = true;
1369                 }
1370
1371                 int const screen_first = bv->text->top_y();
1372
1373                 if (bv->theLockingInset()) {
1374                         // We are in inset locking mode
1375
1376                         // Check whether the inset was hit. If not reset mode,
1377                         // otherwise give the event to the inset
1378                         if (inset_hit == bv->theLockingInset()) {
1379                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1380                                 bv->theLockingInset()->localDispatch(cmd1);
1381                                 break;
1382                         }
1383                         bv->unlockInset(bv->theLockingInset());
1384                 }
1385
1386                 if (!inset_hit)
1387                         selection_possible = true;
1388
1389                 // Clear the selection
1390                 bv->screen().toggleSelection(bv->text, bv);
1391                 bv->text->clearSelection();
1392                 bv->text->partialRebreak();
1393                 bv->update();
1394                 bv->updateScrollbar();
1395
1396                 // Single left click in math inset?
1397                 if (isHighlyEditableInset(inset_hit)) {
1398                         // Highly editable inset, like math
1399                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1400                         selection_possible = false;
1401                         bv->owner()->message(inset->editMessage());
1402                         // We just have to lock the inset before calling a PressEvent on it!
1403                         if (!bv->lockInset(inset))
1404                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1405                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1406                         inset->localDispatch(cmd1);
1407                         break;
1408                 }
1409                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1410
1411                 // Right click on a footnote flag opens float menu
1412                 if (cmd.button() == mouse_button::button3) {
1413                         selection_possible = false;
1414                         break;
1415                 }
1416
1417                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1418                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1419                 finishUndo();
1420                 bv->text->selection.cursor = bv->text->cursor;
1421                 bv->text->cursor.x_fix(bv->text->cursor.x());
1422
1423                 if (bv->fitCursor())
1424                         selection_possible = false;
1425
1426                 // Insert primary selection with middle mouse
1427                 // if there is a local selection in the current buffer,
1428                 // insert this
1429                 if (cmd.button() == mouse_button::button2) {
1430                         if (paste_internally)
1431                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1432                         else
1433                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1434                         selection_possible = false;
1435                 }
1436                 break;
1437         }
1438
1439         case LFUN_MOUSE_RELEASE:
1440         {
1441                 // do nothing if we used the mouse wheel
1442                 if (!bv->buffer())
1443                         break;
1444
1445                 if (cmd.button() == mouse_button::button4
1446                  || cmd.button() == mouse_button::button5)
1447                         break;
1448
1449                 // If we hit an inset, we have the inset coordinates in these
1450                 // and inset_hit points to the inset.  If we do not hit an
1451                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1452                 int x = cmd.x;
1453                 int y = cmd.y;
1454                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1455
1456                 if (bv->theLockingInset()) {
1457                         // We are in inset locking mode.
1458
1459                         // LyX does a kind of work-area grabbing for insets.
1460                         // Only a ButtonPress FuncRequest outside the inset will
1461                         // force a insetUnlock.
1462                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1463                         bv->theLockingInset()->localDispatch(cmd1);
1464                         break;
1465                 }
1466
1467                 selection_possible = false;
1468
1469                 if (cmd.button() == mouse_button::button2)
1470                         break;
1471
1472                 // finish selection
1473                 if (cmd.button() == mouse_button::button1)
1474                         bv->haveSelection(selection.set());
1475
1476                 bv->switchKeyMap();
1477                 bv->owner()->view_state_changed();
1478                 bv->owner()->updateMenubar();
1479                 bv->owner()->updateToolbar();
1480
1481                 // Did we hit an editable inset?
1482                 if (inset_hit) {
1483                         selection_possible = false;
1484
1485                         // if we reach this point with a selection, it
1486                         // must mean we are currently selecting.
1487                         // But we don't want to open the inset
1488                         // because that is annoying for the user.
1489                         // So just pretend we didn't hit it.
1490                         // this is OK because a "kosher" ButtonRelease
1491                         // will follow a ButtonPress that clears
1492                         // the selection.
1493                         // Note this also fixes selection drawing
1494                         // problems if we end up opening an inset
1495                         if (selection.set())
1496                                 break;
1497
1498                         // CHECK fix this proper in 0.13
1499                         // well, maybe 13.0 !!!!!!!!!
1500
1501                         // Following a ref shouldn't issue
1502                         // a push on the undo-stack
1503                         // anylonger, now that we have
1504                         // keybindings for following
1505                         // references and returning from
1506                         // references.  IMHO though, it
1507                         // should be the inset's own business
1508                         // to push or not push on the undo
1509                         // stack. They don't *have* to
1510                         // alter the document...
1511                         // (Joacim)
1512                         // ...or maybe the SetCursorParUndo()
1513                         // below isn't necessary at all anylonger?
1514                         if (inset_hit->lyxCode() == InsetOld::REF_CODE)
1515                                 recordUndo(bv, Undo::ATOMIC);
1516
1517                         bv->owner()->message(inset_hit->editMessage());
1518
1519                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1520                         inset_hit->localDispatch(cmd1);
1521                 }
1522
1523                 break;
1524         }
1525
1526         case LFUN_SELFINSERT: {
1527                 if (cmd.argument.empty())
1528                         break;
1529
1530                 // Automatically delete the currently selected
1531                 // text and replace it with what is being
1532                 // typed in now. Depends on lyxrc settings
1533                 // "auto_region_delete", which defaults to
1534                 // true (on).
1535
1536                 if (lyxrc.auto_region_delete) {
1537                         if (selection.set()) {
1538                                 cutSelection(false, false);
1539                                 update();
1540                         }
1541                         bv->haveSelection(false);
1542                 }
1543
1544                 bv->beforeChange(this);
1545                 LyXFont const old_font(real_current_font);
1546
1547                 string::const_iterator cit = cmd.argument.begin();
1548                 string::const_iterator end = cmd.argument.end();
1549                 for (; cit != end; ++cit)
1550                         bv->owner()->getIntl().getTransManager().
1551                                 TranslateAndInsert(*cit, this);
1552
1553                 update();
1554                 selection.cursor = cursor;
1555                 moveCursorUpdate(bv, false);
1556
1557                 // real_current_font.number can change so we need to
1558                 // update the minibuffer
1559                 if (old_font != real_current_font)
1560                         bv->owner()->view_state_changed();
1561                 break;
1562         }
1563
1564         case LFUN_HTMLURL: {
1565                 InsetCommandParams p("htmlurl");
1566                 string const data = InsetCommandMailer::params2string("url", p);
1567                 bv->owner()->getDialogs().show("url", data, 0);
1568                 break;
1569         }
1570
1571         case LFUN_URL: {
1572                 InsetCommandParams p("url");
1573                 string const data = InsetCommandMailer::params2string("url", p);
1574                 bv->owner()->getDialogs().show("url", data, 0);
1575                 break;
1576         }
1577
1578
1579 #if 0
1580         case LFUN_INSET_LIST:
1581         case LFUN_INSET_THEOREM:
1582         case LFUN_INSET_CAPTION:
1583 #endif
1584         case LFUN_INSERT_NOTE:
1585         case LFUN_INSERT_BIBITEM:
1586         case LFUN_INSET_ERT:
1587         case LFUN_INSET_FLOAT:
1588         case LFUN_INSET_FOOTNOTE:
1589         case LFUN_INSET_MARGINAL:
1590         case LFUN_INSET_MINIPAGE:
1591         case LFUN_INSET_OPTARG:
1592         case LFUN_INSET_WIDE_FLOAT:
1593         case LFUN_INSET_WRAP:
1594         case LFUN_TABULAR_INSERT:
1595         case LFUN_ENVIRONMENT_INSERT:
1596                 // Open the inset, and move the current selection
1597                 // inside it.
1598                 doInsertInset(this, cmd, true, true);
1599                 break;
1600
1601         case LFUN_INDEX_INSERT:
1602                 // Just open the inset
1603                 doInsertInset(this, cmd, true, false);
1604                 break;
1605
1606         case LFUN_INDEX_PRINT:
1607         case LFUN_TOC_INSERT:
1608         case LFUN_HFILL:
1609                 // do nothing fancy
1610                 doInsertInset(this, cmd, false, false);
1611                 break;
1612
1613         default:
1614                 return UNDISPATCHED;
1615         }
1616
1617         return DISPATCHED;
1618 }