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