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 "frontends/LyXView.h"
  33 #include "frontends/screen.h"
  34 #include "frontends/Dialogs.h"
  35 #include "insets/insetspecialchar.h"
  36 #include "insets/insettext.h"
  37 #include "insets/insetquotes.h"
  38 #include "insets/insetcommand.h"
  39 #include "insets/insetnewline.h"
  40 #include "undo_funcs.h"
  41 #include "text_funcs.h"
  42 #include "Lsstream.h"
  43
  44 #include <ctime>
  45 #include <clocale>
  46
  47 using namespace lyx::support;
  48 using namespace bv_funcs;
  49
  50 using std::endl;
  51 using std::find;
  52 using std::vector;
  53 using lyx::pos_type;
  54
  55 extern string current_layout;
  56 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  57
  58 // the selection possible is needed, that only motion events are
  59 // used, where the bottom press event was on the drawing area too
  60 bool selection_possible = false;
  61
  62
  63 namespace {
  64
  65         void moveCursorUpdate(BufferView * bv, bool selecting)
  66         {
  67                 LyXText * lt = bv->getLyXText();
  68
  69                 if (selecting || lt->selection.mark()) {
  70                         lt->setSelection();
  71                         if (lt->isInInset())
  72                                 bv->updateInset(lt->inset_owner);
  73                         else
  74                                 bv->toggleToggle();
  75                 }
  76                 if (!lt->isInInset()) {
  77                         bv->update(lt, BufferView::SELECT);
  78                 } else if (bv->text->needRefresh()) {
  79                         bv->update(BufferView::SELECT);
  80                 }
  81
  82                 if (!lt->selection.set())
  83                         bv->haveSelection(false);
  84
  85                 bv->switchKeyMap();
  86         }
  87
  88
  89         void finishChange(BufferView * bv, bool selecting = false)
  90         {
  91                 finishUndo();
  92                 moveCursorUpdate(bv, selecting);
  93                 bv->owner()->view_state_changed();
  94         }
  95
  96         // check if the given co-ordinates are inside an inset at the
  97         // given cursor, if one exists. If so, the inset is returned,
  98         // and the co-ordinates are made relative. Otherwise, 0 is returned.
  99         Inset * checkInset(BufferView * bv, LyXText & text,
 100                 LyXCursor const & cur, int & x, int & y)
 101         {
 102                 lyx::pos_type const pos = cur.pos();
 103                 ParagraphList::iterator par = cur.par();
 104
 105                 if (pos >= par->size() || !par->isInset(pos))
 106                         return 0;
 107
 108                 Inset /*const*/ * inset = par->getInset(pos);
 109
 110                 if (!isEditableInset(inset))
 111                         return 0;
 112
 113                 // get inset dimensions
 114                 Assert(par->getInset(pos));
 115
 116                 LyXFont const & font = text.getFont(bv->buffer(), par, pos);
 117
 118                 int const width = inset->width(bv, font);
 119                 int const inset_x = font.isVisibleRightToLeft()
 120                         ? (cur.ix() - width) : cur.ix();
 121
 122                 Box b(
 123                         inset_x + inset->scroll(),
 124                         inset_x + width,
 125                         cur.iy() - inset->ascent(bv, font),
 126                         cur.iy() + inset->descent(bv, font)
 127                 );
 128
 129                 if (!b.contained(x, y)) {
 130                         lyxerr[Debug::GUI] << "Missed inset at x,y "
 131                                            << x << ',' << y
 132                                            << " box " << b << endl;
 133                         return 0;
 134                 }
 135
 136                 text.setCursor(par, pos, true);
 137
 138                 x -= b.x1;
 139                 // The origin of an inset is on the baseline
 140                 y -= text.cursor.iy();
 141
 142                 return inset;
 143         }
 144
 145 } // anon namespace
 146
 147
 148 Inset * LyXText::checkInsetHit(int & x, int & y)
 149 {
 150         int y_tmp = y + top_y();
 151
 152         LyXCursor cur;
 153         setCursorFromCoordinates(cur, x, y_tmp);
 154
 155         Inset * inset = checkInset(bv(), *this, cur, x, y_tmp);
 156         if (inset) {
 157                 y = y_tmp;
 158                 return inset;
 159         }
 160
 161         // look at previous position
 162         if (cur.pos() == 0)
 163                 return 0;
 164
 165         // move back one
 166         setCursor(cur, cur.par(), cur.pos() - 1, true);
 167
 168         inset = checkInset(bv(), *this, cur, x, y_tmp);
 169         if (inset)
 170                 y = y_tmp;
 171         return inset;
 172 }
 173
 174
 175 bool LyXText::gotoNextInset(vector<Inset::Code> const & codes,
 176                             string const & contents)
 177 {
 178         ParagraphList::iterator end = ownerParagraphs().end();
 179         ParagraphList::iterator pit = cursor.par();
 180         pos_type pos = cursor.pos();
 181
 182         Inset * inset;
 183         do {
 184                 if (pos + 1 < pit->size()) {
 185                         ++pos;
 186                 } else  {
 187                         ++pit;
 188                         pos = 0;
 189                 }
 190
 191         } while (pit != end &&
 192                  !(pit->isInset(pos) &&
 193                    (inset = pit->getInset(pos)) != 0 &&
 194                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 195                    (contents.empty() ||
 196                     static_cast<InsetCommand *>(pit->getInset(pos))->getContents()
 197                     == contents)));
 198
 199         if (pit != end) {
 200                 setCursor(pit, pos, false);
 201                 return true;
 202         }
 203         return false;
 204 }
 205
 206
 207 void LyXText::gotoInset(vector<Inset::Code> const & codes,
 208                         bool same_content)
 209 {
 210         bv()->beforeChange(this);
 211         update();
 212
 213         string contents;
 214         if (same_content && cursor.pos() < cursor.par()->size()
 215             && cursor.par()->isInset(cursor.pos())) {
 216                 Inset const * inset = cursor.par()->getInset(cursor.pos());
 217                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 218                     != codes.end())
 219                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 220         }
 221
 222         if (!gotoNextInset(codes, contents)) {
 223                 if (cursor.pos() || cursor.par() != ownerParagraphs().begin()) {
 224                         LyXCursor tmp = cursor;
 225                         cursor.par(ownerParagraphs().begin());
 226                         cursor.pos(0);
 227                         if (!gotoNextInset(codes, contents)) {
 228                                 cursor = tmp;
 229                                 bv()->owner()->message(_("No more insets"));
 230                         }
 231                 } else {
 232                         bv()->owner()->message(_("No more insets"));
 233                 }
 234         }
 235         update();
 236         selection.cursor = cursor;
 237 }
 238
 239
 240 void LyXText::gotoInset(Inset::Code code, bool same_content)
 241 {
 242         gotoInset(vector<Inset::Code>(1, code), same_content);
 243 }
 244
 245
 246 void LyXText::cursorPrevious()
 247 {
 248         int y = top_y();
 249
 250         if (cursorRow() == rows().begin()) {
 251                 if (y > 0) {
 252                         int new_y = bv()->text->top_y() - bv()->workHeight();
 253                         bv()->screen().draw(bv()->text, bv(), new_y < 0 ? 0 : new_y);
 254                         bv()->updateScrollbar();
 255                 }
 256                 return;
 257         }
 258
 259         RowList::iterator cursorrow = cursorRow();
 260
 261         setCursorFromCoordinates(cursor.x_fix(), y);
 262         finishUndo();
 263
 264         int new_y;
 265         if (cursorrow == bv()->text->cursorRow()) {
 266                 // we have a row which is taller than the workarea. The
 267                 // simplest solution is to move to the previous row instead.
 268                 cursorUp(true);
 269                 return;
 270                 // This is what we used to do, so we wouldn't skip right past
 271                 // tall rows, but it's not working right now.
 272 #if 0
 273                 new_y = bv->text->top_y() - bv->workHeight();
 274 #endif
 275         } else {
 276                 if (inset_owner) {
 277                         new_y = bv()->text->cursor.iy()
 278                                 + bv()->theLockingInset()->insetInInsetY() + y
 279                                 + cursorRow()->height()
 280                                 - bv()->workHeight() + 1;
 281                 } else {
 282                         new_y = cursor.y()
 283                                 - cursorRow()->baseline()
 284                                 + cursorRow()->height()
 285                                 - bv()->workHeight() + 1;
 286                 }
 287         }
 288         bv()->screen().draw(bv()->text, bv(), new_y < 0 ? 0 : new_y);
 289         if (cursorRow() != rows().begin()) {
 290                 LyXCursor cur;
 291                 setCursor(cur, boost::prior(cursorRow())->par(),
 292                           boost::prior(cursorRow())->pos(), false);
 293                 if (cur.y() > top_y()) {
 294                         cursorUp(true);
 295                 }
 296         }
 297         bv()->updateScrollbar();
 298 }
 299
 300
 301 void LyXText::cursorNext()
 302 {
 303         int topy = top_y();
 304
 305         if (boost::next(cursorRow()) == rows().end()) {
 306                 int y = cursor.y() - cursorRow()->baseline() +
 307                         cursorRow()->height();
 308                 if (y > topy + bv()->workHeight()) {
 309                         bv()->screen().draw(bv()->text, bv(), bv()->text->top_y() + bv()->workHeight());
 310                         bv()->updateScrollbar();
 311                 }
 312                 return;
 313         }
 314
 315         int y = topy + bv()->workHeight();
 316         if (inset_owner && !topy) {
 317                 y -= (bv()->text->cursor.iy()
 318                           - bv()->text->top_y()
 319                           + bv()->theLockingInset()->insetInInsetY());
 320         }
 321
 322         getRowNearY(y);
 323
 324         RowList::iterator cursorrow = cursorRow();
 325         setCursorFromCoordinates(cursor.x_fix(), y);
 326         // + bv->workHeight());
 327         finishUndo();
 328
 329         int new_y;
 330         if (cursorrow == bv()->text->cursorRow()) {
 331                 // we have a row which is taller than the workarea. The
 332                 // simplest solution is to move to the next row instead.
 333                 cursorDown(true);
 334                 return;
 335                 // This is what we used to do, so we wouldn't skip right past
 336                 // tall rows, but it's not working right now.
 337 #if 0
 338                 new_y = bv->text->top_y() + bv->workHeight();
 339 #endif
 340         } else {
 341                 if (inset_owner) {
 342                         new_y = bv()->text->cursor.iy()
 343                                 + bv()->theLockingInset()->insetInInsetY()
 344                                 + y - cursorRow()->baseline();
 345                 } else {
 346                         new_y =  cursor.y() - cursorRow()->baseline();
 347                 }
 348         }
 349         bv()->screen().draw(bv()->text, bv(), new_y);
 350
 351         RowList::iterator next_row = boost::next(cursorRow());
 352         if (next_row != rows().end()) {
 353                 LyXCursor cur;
 354                 setCursor(cur, next_row->par(), next_row->pos(), false);
 355                 if (cur.y() < top_y() + bv()->workHeight()) {
 356                         cursorDown(true);
 357                 }
 358         }
 359         bv()->updateScrollbar();
 360 }
 361
 362
 363 void LyXText::update()
 364 {
 365         bv()->update(this, BufferView::SELECT);
 366 }
 367
 368 namespace {
 369
 370 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 371 {
 372         lt->update();
 373         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 374         replaceSelection(lt);
 375         if (!bv->insertInset(new_inset))
 376                 delete new_inset;
 377         else
 378                 bv->updateInset(new_inset);
 379 }
 380
 381
 382 void doInsertInset(LyXText * lt, FuncRequest const & cmd,
 383                    bool edit, bool pastesel)
 384 {
 385         Inset * inset = createInset(cmd);
 386         BufferView * bv = cmd.view();
 387
 388         if (inset) {
 389                 bool gotsel = false;
 390                 if (lt->selection.set()) {
 391                         bv->owner()->dispatch(FuncRequest(LFUN_CUT));
 392                         gotsel = true;
 393                 }
 394                 if (bv->insertInset(inset)) {
 395                         if (edit) {
 396                                 FuncRequest cmd(bv, LFUN_INSET_EDIT, "left");
 397                                 inset->localDispatch(cmd);
 398                         }
 399                         if (gotsel && pastesel)
 400                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
 401                 }
 402                 else
 403                         delete inset;
 404         }
 405 }
 406
 407 }
 408
 409 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 410 {
 411         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 412                               <<"] arg[" << cmd.argument << ']' << endl;
 413
 414         BufferView * bv = cmd.view();
 415
 416         switch (cmd.action) {
 417
 418         case LFUN_APPENDIX: {
 419                 ParagraphList::iterator pit = cursor.par();
 420                 bool start = !pit->params().startOfAppendix();
 421
 422                 // ensure that we have only one start_of_appendix in this document
 423                 ParagraphList::iterator tmp = ownerParagraphs().begin();
 424                 ParagraphList::iterator end = ownerParagraphs().end();
 425
 426                 for (; tmp != end; ++tmp) {
 427                         if (tmp->params().startOfAppendix()) {
 428                                 setUndo(bv, Undo::EDIT, tmp);
 429                                 tmp->params().startOfAppendix(false);
 430                                 int tmpy;
 431                                 setHeightOfRow(getRow(tmp, 0, tmpy));
 432                                 break;
 433                         }
 434                 }
 435
 436                 setUndo(bv, Undo::EDIT, pit);
 437                 pit->params().startOfAppendix(start);
 438
 439                 // we can set the refreshing parameters now
 440                 updateCounters();
 441                 redoHeightOfParagraph();
 442                 postPaint();
 443                 setCursor(cursor.par(), cursor.pos());
 444                 update();
 445                 break;
 446         }
 447
 448         case LFUN_DELETE_WORD_FORWARD:
 449                 bv->beforeChange(this);
 450                 update();
 451                 deleteWordForward();
 452                 update();
 453                 finishChange(bv);
 454                 break;
 455
 456         case LFUN_DELETE_WORD_BACKWARD:
 457                 bv->beforeChange(this);
 458                 update();
 459                 deleteWordBackward();
 460                 update();
 461                 finishChange(bv);
 462                 break;
 463
 464         case LFUN_DELETE_LINE_FORWARD:
 465                 bv->beforeChange(this);
 466                 update();
 467                 deleteLineForward();
 468                 update();
 469                 finishChange(bv);
 470                 break;
 471
 472         case LFUN_WORDRIGHT:
 473                 if (!selection.mark())
 474                         bv->beforeChange(this);
 475                 update();
 476                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 477                         cursorLeftOneWord();
 478                 else
 479                         cursorRightOneWord();
 480                 finishChange(bv);
 481                 break;
 482
 483         case LFUN_WORDLEFT:
 484                 if (!selection.mark())
 485                         bv->beforeChange(this);
 486                 update();
 487                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 488                         cursorRightOneWord();
 489                 else
 490                         cursorLeftOneWord();
 491                 finishChange(bv);
 492                 break;
 493
 494         case LFUN_BEGINNINGBUF:
 495                 if (!selection.mark())
 496                         bv->beforeChange(this);
 497                 update();
 498                 cursorTop();
 499                 finishChange(bv);
 500                 break;
 501
 502         case LFUN_ENDBUF:
 503                 if (selection.mark())
 504                         bv->beforeChange(this);
 505                 update();
 506                 cursorBottom();
 507                 finishChange(bv);
 508                 break;
 509
 510         case LFUN_RIGHTSEL:
 511                 update();
 512                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 513                         cursorLeft(bv);
 514                 else
 515                         cursorRight(bv);
 516                 finishChange(bv, true);
 517                 break;
 518
 519         case LFUN_LEFTSEL:
 520                 update();
 521                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 522                         cursorRight(bv);
 523                 else
 524                         cursorLeft(bv);
 525                 finishChange(bv, true);
 526                 break;
 527
 528         case LFUN_UPSEL:
 529                 update();
 530                 cursorUp(true);
 531                 finishChange(bv, true);
 532                 break;
 533
 534         case LFUN_DOWNSEL:
 535                 update();
 536                 cursorDown(true);
 537                 finishChange(bv, true);
 538                 break;
 539
 540         case LFUN_UP_PARAGRAPHSEL:
 541                 update();
 542                 cursorUpParagraph();
 543                 finishChange(bv, true);
 544                 break;
 545
 546         case LFUN_DOWN_PARAGRAPHSEL:
 547                 update();
 548                 cursorDownParagraph();
 549                 finishChange(bv, true);
 550                 break;
 551
 552         case LFUN_PRIORSEL:
 553                 update();
 554                 cursorPrevious();
 555                 finishChange(bv, true);
 556                 break;
 557
 558         case LFUN_NEXTSEL:
 559                 update();
 560                 cursorNext();
 561                 finishChange(bv, true);
 562                 break;
 563
 564         case LFUN_HOMESEL:
 565                 update();
 566                 cursorHome();
 567                 finishChange(bv, true);
 568                 break;
 569
 570         case LFUN_ENDSEL:
 571                 update();
 572                 cursorEnd();
 573                 finishChange(bv, true);
 574                 break;
 575
 576         case LFUN_WORDRIGHTSEL:
 577                 update();
 578                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 579                         cursorLeftOneWord();
 580                 else
 581                         cursorRightOneWord();
 582                 finishChange(bv, true);
 583                 break;
 584
 585         case LFUN_WORDLEFTSEL:
 586                 update();
 587                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 588                         cursorRightOneWord();
 589                 else
 590                         cursorLeftOneWord();
 591                 finishChange(bv, true);
 592                 break;
 593
 594         case LFUN_WORDSEL: {
 595                 update();
 596                 LyXCursor cur1 = cursor;
 597                 LyXCursor cur2;
 598                 ::getWord(cur1, cur2, lyx::WHOLE_WORD, ownerParagraphs());
 599                 setCursor(cur1.par(), cur1.pos());
 600                 bv->beforeChange(this);
 601                 setCursor(cur2.par(), cur2.pos());
 602                 finishChange(bv, true);
 603                 break;
 604         }
 605
 606         case LFUN_RIGHT: {
 607                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 608                 if (!selection.mark())
 609                         bv->beforeChange(this);
 610                 update();
 611                 if (is_rtl)
 612                         cursorLeft(false);
 613                 if (cursor.pos() < cursor.par()->size()
 614                     && cursor.par()->isInset(cursor.pos())
 615                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 616                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 617                         cmd.message(tmpinset->editMessage());
 618                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "right" : "left");
 619                         tmpinset->localDispatch(cmd1);
 620                         break;
 621                 }
 622                 if (!is_rtl)
 623                         cursorRight(false);
 624                 finishChange(bv);
 625                 break;
 626         }
 627
 628         case LFUN_LEFT: {
 629                 // This is soooo ugly. Isn`t it possible to make
 630                 // it simpler? (Lgb)
 631                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 632                 if (!selection.mark())
 633                         bv->beforeChange(this);
 634                 update();
 635                 LyXCursor const cur = cursor;
 636                 if (!is_rtl)
 637                         cursorLeft(false);
 638                 if ((is_rtl || cur != cursor) && // only if really moved!
 639                     cursor.pos() < cursor.par()->size() &&
 640                     cursor.par()->isInset(cursor.pos()) &&
 641                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 642                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 643                         cmd.message(tmpinset->editMessage());
 644                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "left" : "right");
 645                         tmpinset->localDispatch(cmd1);
 646                         break;
 647                 }
 648                 if (is_rtl)
 649                         cursorRight(false);
 650                 finishChange(bv);
 651                 break;
 652         }
 653
 654         case LFUN_UP:
 655                 if (!selection.mark())
 656                         bv->beforeChange(this);
 657                 bv->update(this, BufferView::UPDATE);
 658                 cursorUp(false);
 659                 finishChange(bv);
 660                 break;
 661
 662         case LFUN_DOWN:
 663                 if (!selection.mark())
 664                         bv->beforeChange(this);
 665                 bv->update(this, BufferView::UPDATE);
 666                 cursorDown(false);
 667                 finishChange(bv);
 668                 break;
 669
 670         case LFUN_UP_PARAGRAPH:
 671                 if (!selection.mark())
 672                         bv->beforeChange(this);
 673                 bv->update(this, BufferView::UPDATE);
 674                 cursorUpParagraph();
 675                 finishChange(bv);
 676                 break;
 677
 678         case LFUN_DOWN_PARAGRAPH:
 679                 if (!selection.mark())
 680                         bv->beforeChange(this);
 681                 bv->update(this, BufferView::UPDATE);
 682                 cursorDownParagraph();
 683                 finishChange(bv, false);
 684                 break;
 685
 686         case LFUN_PRIOR:
 687                 if (!selection.mark())
 688                         bv->beforeChange(this);
 689                 bv->update(this, BufferView::UPDATE);
 690                 cursorPrevious();
 691                 finishChange(bv, false);
 692                 // was:
 693                 // finishUndo();
 694                 // moveCursorUpdate(bv, false, false);
 695                 // owner_->view_state_changed();
 696                 break;
 697
 698         case LFUN_NEXT:
 699                 if (!selection.mark())
 700                         bv->beforeChange(this);
 701                 bv->update(this, BufferView::UPDATE);
 702                 cursorNext();
 703                 finishChange(bv, false);
 704                 break;
 705
 706         case LFUN_HOME:
 707                 if (!selection.mark())
 708                         bv->beforeChange(this);
 709                 update();
 710                 cursorHome();
 711                 finishChange(bv, false);
 712                 break;
 713
 714         case LFUN_END:
 715                 if (!selection.mark())
 716                         bv->beforeChange(this);
 717                 update();
 718                 cursorEnd();
 719                 finishChange(bv, false);
 720                 break;
 721
 722         case LFUN_BREAKLINE: {
 723                 lyx::pos_type body = cursor.par()->beginningOfBody();
 724
 725                 // Not allowed by LaTeX (labels or empty par)
 726                 if (cursor.pos() <= body)
 727                         break;
 728
 729                 replaceSelection(bv->getLyXText());
 730                 insertInset(new InsetNewline);
 731                 update();
 732                 setCursor(cursor.par(), cursor.pos());
 733                 moveCursorUpdate(bv, false);
 734                 break;
 735         }
 736
 737         case LFUN_DELETE:
 738                 if (!selection.set()) {
 739                         Delete();
 740                         selection.cursor = cursor;
 741                         update();
 742                         // It is possible to make it a lot faster still
 743                         // just comment out the line below...
 744                 } else {
 745                         update();
 746                         cutSelection(true, false);
 747                         update();
 748                 }
 749                 moveCursorUpdate(bv, false);
 750                 bv->owner()->view_state_changed();
 751                 bv->switchKeyMap();
 752                 break;
 753
 754         case LFUN_DELETE_SKIP:
 755                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 756                 if (!selection.set()) {
 757                         LyXCursor cur = cursor;
 758                         if (cur.pos() == cur.par()->size()) {
 759                                 cursorRight(bv);
 760                                 cur = cursor;
 761                                 if (cur.pos() == 0
 762                                     && !(cur.par()->params().spaceTop()
 763                                          == VSpace (VSpace::NONE))) {
 764                                         setParagraph(
 765                                                  cur.par()->params().lineTop(),
 766                                                  cur.par()->params().lineBottom(),
 767                                                  cur.par()->params().pagebreakTop(),
 768                                                  cur.par()->params().pagebreakBottom(),
 769                                                  VSpace(VSpace::NONE),
 770                                                  cur.par()->params().spaceBottom(),
 771                                                  cur.par()->params().spacing(),
 772                                                  cur.par()->params().align(),
 773                                                  cur.par()->params().labelWidthString(), 0);
 774                                         cursorLeft(bv);
 775                                         update();
 776                                 } else {
 777                                         cursorLeft(bv);
 778                                         Delete();
 779                                         selection.cursor = cursor;
 780                                 }
 781                         } else {
 782                                 Delete();
 783                                 selection.cursor = cursor;
 784                         }
 785                 } else {
 786                         update();
 787                         cutSelection(true, false);
 788                 }
 789                 update();
 790                 break;
 791
 792
 793         case LFUN_BACKSPACE:
 794                 if (!selection.set()) {
 795                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 796                                 backspace();
 797                                 selection.cursor = cursor;
 798                                 update();
 799                                 // It is possible to make it a lot faster still
 800                                 // just comment out the line below...
 801                         }
 802                 } else {
 803                         update();
 804                         cutSelection(true, false);
 805                         update();
 806                 }
 807                 bv->owner()->view_state_changed();
 808                 bv->switchKeyMap();
 809                 break;
 810
 811         case LFUN_BACKSPACE_SKIP:
 812                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 813                 if (!selection.set()) {
 814                         LyXCursor cur = cursor;
 815                         if (cur.pos() == 0
 816                             && !(cur.par()->params().spaceTop()
 817                                  == VSpace (VSpace::NONE))) {
 818                                 setParagraph(
 819                                          cur.par()->params().lineTop(),
 820                                          cur.par()->params().lineBottom(),
 821                                          cur.par()->params().pagebreakTop(),
 822                                          cur.par()->params().pagebreakBottom(),
 823                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 824                                          cur.par()->params().spacing(),
 825                                          cur.par()->params().align(),
 826                                          cur.par()->params().labelWidthString(), 0);
 827                         } else {
 828                                 backspace();
 829                                 selection.cursor = cur;
 830                         }
 831                 } else {
 832                         update();
 833                         cutSelection(true, false);
 834                 }
 835                 update();
 836                 break;
 837
 838         case LFUN_BREAKPARAGRAPH:
 839                 replaceSelection(bv->getLyXText());
 840                 breakParagraph(bv->buffer()->paragraphs, 0);
 841                 update();
 842                 selection.cursor = cursor;
 843                 bv->switchKeyMap();
 844                 bv->owner()->view_state_changed();
 845                 break;
 846
 847         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 848                 replaceSelection(bv->getLyXText());
 849                 breakParagraph(bv->buffer()->paragraphs, 1);
 850                 update();
 851                 selection.cursor = cursor;
 852                 bv->switchKeyMap();
 853                 bv->owner()->view_state_changed();
 854                 break;
 855
 856         case LFUN_BREAKPARAGRAPH_SKIP: {
 857                 // When at the beginning of a paragraph, remove
 858                 // indentation and add a "defskip" at the top.
 859                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 860                 LyXCursor cur = cursor;
 861                 replaceSelection(bv->getLyXText());
 862                 if (cur.pos() == 0) {
 863                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 864                                 setParagraph(
 865                                          cur.par()->params().lineTop(),
 866                                          cur.par()->params().lineBottom(),
 867                                          cur.par()->params().pagebreakTop(),
 868                                          cur.par()->params().pagebreakBottom(),
 869                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 870                                          cur.par()->params().spacing(),
 871                                          cur.par()->params().align(),
 872                                          cur.par()->params().labelWidthString(), 1);
 873                         }
 874                 }
 875                 else {
 876                         breakParagraph(bv->buffer()->paragraphs, 0);
 877                 }
 878                 update();
 879                 selection.cursor = cur;
 880                 bv->switchKeyMap();
 881                 bv->owner()->view_state_changed();
 882                 break;
 883         }
 884
 885         case LFUN_PARAGRAPH_SPACING: {
 886                 ParagraphList::iterator pit = cursor.par();
 887                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
 888                 float cur_value = 1.0;
 889                 if (cur_spacing == Spacing::Other)
 890                         cur_value = pit->params().spacing().getValue();
 891
 892                 istringstream is(STRCONV(cmd.argument));
 893                 string tmp;
 894                 is >> tmp;
 895                 Spacing::Space new_spacing = cur_spacing;
 896                 float new_value = cur_value;
 897                 if (tmp.empty()) {
 898                         lyxerr << "Missing argument to `paragraph-spacing'"
 899                                << endl;
 900                 } else if (tmp == "single") {
 901                         new_spacing = Spacing::Single;
 902                 } else if (tmp == "onehalf") {
 903                         new_spacing = Spacing::Onehalf;
 904                 } else if (tmp == "double") {
 905                         new_spacing = Spacing::Double;
 906                 } else if (tmp == "other") {
 907                         new_spacing = Spacing::Other;
 908                         float tmpval = 0.0;
 909                         is >> tmpval;
 910                         lyxerr << "new_value = " << tmpval << endl;
 911                         if (tmpval != 0.0)
 912                                 new_value = tmpval;
 913                 } else if (tmp == "default") {
 914                         new_spacing = Spacing::Default;
 915                 } else {
 916                         lyxerr << _("Unknown spacing argument: ")
 917                                << cmd.argument << endl;
 918                 }
 919                 if (cur_spacing != new_spacing || cur_value != new_value) {
 920                         pit->params().spacing(Spacing(new_spacing, new_value));
 921                         redoParagraph();
 922                         update();
 923                 }
 924                 break;
 925         }
 926
 927         case LFUN_INSET_SETTINGS:
 928                 Assert(bv->theLockingInset());
 929                 bv->theLockingInset()->getLockingInset()->showInsetDialog(bv);
 930                 break;
 931
 932         case LFUN_INSET_TOGGLE:
 933                 bv->beforeChange(this);
 934                 update();
 935                 toggleInset();
 936                 update();
 937                 bv->switchKeyMap();
 938                 break;
 939
 940         case LFUN_SPACE_INSERT:
 941                 if (cursor.par()->layout()->free_spacing) {
 942                         insertChar(' ');
 943                         update();
 944                 } else {
 945                         doInsertInset(this, cmd, false, false);
 946                 }
 947                 moveCursorUpdate(bv, false);
 948                 break;
 949
 950         case LFUN_HYPHENATION:
 951                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 952                 break;
 953
 954         case LFUN_LIGATURE_BREAK:
 955                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 956                 break;
 957
 958         case LFUN_LDOTS:
 959                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 960                 break;
 961
 962         case LFUN_END_OF_SENTENCE:
 963                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 964                 break;
 965
 966         case LFUN_MENU_SEPARATOR:
 967                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 968                 break;
 969
 970         case LFUN_MARK_OFF:
 971                 bv->beforeChange(this);
 972                 update();
 973                 selection.cursor = cursor;
 974                 cmd.message(N_("Mark off"));
 975                 break;
 976
 977         case LFUN_MARK_ON:
 978                 bv->beforeChange(this);
 979                 selection.mark(true);
 980                 update();
 981                 selection.cursor = cursor;
 982                 cmd.message(N_("Mark on"));
 983                 break;
 984
 985         case LFUN_SETMARK:
 986                 bv->beforeChange(this);
 987                 if (selection.mark()) {
 988                         update();
 989                         cmd.message(N_("Mark removed"));
 990                 } else {
 991                         selection.mark(true);
 992                         update();
 993                         cmd.message(N_("Mark set"));
 994                 }
 995                 selection.cursor = cursor;
 996                 break;
 997
 998         case LFUN_UPCASE_WORD:
 999                 update();
1000                 changeCase(LyXText::text_uppercase);
1001                 if (inset_owner)
1002                         bv->updateInset(inset_owner);
1003                 update();
1004                 break;
1005
1006         case LFUN_LOWCASE_WORD:
1007                 update();
1008                 changeCase(LyXText::text_lowercase);
1009                 if (inset_owner)
1010                         bv->updateInset(inset_owner);
1011                 update();
1012                 break;
1013
1014         case LFUN_CAPITALIZE_WORD:
1015                 update();
1016                 changeCase(LyXText::text_capitalization);
1017                 if (inset_owner)
1018                         bv->updateInset(inset_owner);
1019                 update();
1020                 break;
1021
1022         case LFUN_TRANSPOSE_CHARS:
1023                 update();
1024                 setUndo(bv, Undo::FINISH, cursor.par());
1025                 if (transposeChars(cursor))
1026                         checkParagraph(cursor.par(), cursor.pos());
1027                 if (inset_owner)
1028                         bv->updateInset(inset_owner);
1029                 update();
1030                 break;
1031
1032         case LFUN_PASTE: {
1033                 cmd.message(_("Paste"));
1034                 replaceSelection(bv->getLyXText());
1035                 size_t sel_index = 0;
1036                 string const & arg = cmd.argument;
1037                 if (isStrUnsignedInt(arg)) {
1038                         size_t const paste_arg = strToUnsignedInt(arg);
1039 #warning FIXME Check if the arg is in the domain of available selections.
1040                         sel_index = paste_arg;
1041                 }
1042                 pasteSelection(sel_index);
1043                 clearSelection(); // bug 393
1044                 update();
1045                 bv->switchKeyMap();
1046                 break;
1047         }
1048
1049         case LFUN_CUT:
1050                 update();
1051                 cutSelection(true, true);
1052                 update();
1053                 cmd.message(_("Cut"));
1054                 break;
1055
1056         case LFUN_COPY:
1057                 copySelection();
1058                 cmd.message(_("Copy"));
1059                 break;
1060
1061         case LFUN_BEGINNINGBUFSEL:
1062                 if (inset_owner)
1063                         return UNDISPATCHED;
1064                 update();
1065                 cursorTop();
1066                 finishChange(bv, true);
1067                 break;
1068
1069         case LFUN_ENDBUFSEL:
1070                 if (inset_owner)
1071                         return UNDISPATCHED;
1072                 update();
1073                 cursorBottom();
1074                 finishChange(bv, true);
1075                 break;
1076
1077         case LFUN_GETXY:
1078                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1079                 break;
1080
1081         case LFUN_SETXY: {
1082                 int x = 0;
1083                 int y = 0;
1084                 istringstream is(STRCONV(cmd.argument));
1085                 is >> x >> y;
1086                 if (!is)
1087                         lyxerr << "SETXY: Could not parse coordinates in '"
1088                                << cmd.argument << std::endl;
1089                 else
1090                         setCursorFromCoordinates(x, y);
1091                 break;
1092         }
1093
1094         case LFUN_GETFONT:
1095                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1096                         cmd.message("E");
1097                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1098                         cmd.message("N");
1099                 else
1100                         cmd.message("0");
1101                 break;
1102
1103         case LFUN_GETLAYOUT:
1104                 cmd.message(tostr(cursor.par()->layout()));
1105                 break;
1106
1107         case LFUN_LAYOUT: {
1108                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1109                   << cmd.argument << endl;
1110
1111                 // This is not the good solution to the empty argument
1112                 // problem, but it will hopefully suffice for 1.2.0.
1113                 // The correct solution would be to augument the
1114                 // function list/array with information about what
1115                 // functions needs arguments and their type.
1116                 if (cmd.argument.empty()) {
1117                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1118                         break;
1119                 }
1120
1121                 // Derive layout number from given argument (string)
1122                 // and current buffer's textclass (number)
1123                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1124                 bool hasLayout = tclass.hasLayout(cmd.argument);
1125                 string layout = cmd.argument;
1126
1127                 // If the entry is obsolete, use the new one instead.
1128                 if (hasLayout) {
1129                         string const & obs = tclass[layout]->obsoleted_by();
1130                         if (!obs.empty())
1131                                 layout = obs;
1132                 }
1133
1134                 if (!hasLayout) {
1135                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1136                                 N_(" not known"));
1137                         break;
1138                 }
1139
1140                 bool change_layout = (current_layout != layout);
1141
1142                 if (!change_layout && selection.set() &&
1143                         selection.start.par() != selection.end.par())
1144                 {
1145                         ParagraphList::iterator spit = selection.start.par();
1146                         ParagraphList::iterator epit = boost::next(selection.end.par());
1147                         while (spit != epit) {
1148                                 if (spit->layout()->name() != current_layout) {
1149                                         change_layout = true;
1150                                         break;
1151                                 }
1152                                 ++spit;
1153                         }
1154                 }
1155
1156                 if (change_layout) {
1157                         current_layout = layout;
1158                         update();
1159                         setLayout(layout);
1160                         bv->owner()->setLayout(layout);
1161                         update();
1162                         bv->switchKeyMap();
1163                 }
1164                 break;
1165         }
1166
1167         case LFUN_PASTESELECTION: {
1168                 if (!bv->buffer())
1169                         break;
1170                 // this was originally a beforeChange(bv->text), i.e
1171                 // the outermost LyXText!
1172                 bv->beforeChange(this);
1173                 string const clip = bv->getClipboard();
1174                 if (!clip.empty()) {
1175                         if (cmd.argument == "paragraph")
1176                                 insertStringAsParagraphs(clip);
1177                         else
1178                                 insertStringAsLines(clip);
1179                         clearSelection();
1180                         update();
1181                 }
1182                 break;
1183         }
1184
1185         case LFUN_GOTOERROR:
1186                 gotoInset(Inset::ERROR_CODE, false);
1187                 break;
1188
1189         case LFUN_GOTONOTE:
1190                 gotoInset(Inset::NOTE_CODE, false);
1191                 break;
1192
1193         case LFUN_REFERENCE_GOTO:
1194         {
1195                 vector<Inset::Code> tmp;
1196                 tmp.push_back(Inset::LABEL_CODE);
1197                 tmp.push_back(Inset::REF_CODE);
1198                 gotoInset(tmp, true);
1199                 break;
1200         }
1201
1202         case LFUN_QUOTE: {
1203                 replaceSelection(bv->getLyXText());
1204                 ParagraphList::iterator pit = cursor.par();
1205                 lyx::pos_type pos = cursor.pos();
1206                 char c;
1207                 if (!pos)
1208                         c = ' ';
1209                 else if (pit->isInset(pos - 1) && pit->getInset(pos - 1)->isSpace())
1210                         c = ' ';
1211                 else
1212                         c = pit->getChar(pos - 1);
1213
1214                 LyXLayout_ptr const & style = pit->layout();
1215
1216                 if (style->pass_thru ||
1217                                 pit->getFontSettings(bv->buffer()->params,
1218                                          pos).language()->lang() == "hebrew" ||
1219                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1220                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1221                 break;
1222         }
1223
1224         case LFUN_DATE_INSERT: {
1225                 replaceSelection(bv->getLyXText());
1226                 time_t now_time_t = time(NULL);
1227                 struct tm * now_tm = localtime(&now_time_t);
1228                 setlocale(LC_TIME, "");
1229                 string arg;
1230                 if (!cmd.argument.empty())
1231                         arg = cmd.argument;
1232                 else
1233                         arg = lyxrc.date_insert_format;
1234                 char datetmp[32];
1235                 int const datetmp_len =
1236                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1237
1238                 for (int i = 0; i < datetmp_len; i++) {
1239                         insertChar(datetmp[i]);
1240                         update();
1241                 }
1242                 selection.cursor = cursor;
1243                 moveCursorUpdate(bv, false);
1244                 break;
1245         }
1246
1247         case LFUN_MOUSE_TRIPLE:
1248                 if (!bv->buffer())
1249                         break;
1250                 if (!isInInset() && bv->theLockingInset())
1251                         break;
1252                 if (cmd.button() == mouse_button::button1) {
1253                         if (!isInInset()) {
1254                                 bv->screen().toggleSelection(this, bv);
1255                         }
1256                         cursorHome();
1257                         selection.cursor = cursor;
1258                         cursorEnd();
1259                         setSelection();
1260                         if (!isInInset())
1261                                 bv->screen().toggleSelection(this, bv, false);
1262                         update();
1263                         bv->haveSelection(selection.set());
1264                 }
1265                 break;
1266
1267         case LFUN_MOUSE_DOUBLE:
1268                 if (!bv->buffer())
1269                         break;
1270                 if (!isInInset() && bv->theLockingInset())
1271                         break;
1272                 if (cmd.button() == mouse_button::button1) {
1273                         if (!isInInset()) {
1274                                 bv->screen().toggleSelection(this, bv);
1275                                 selectWord(lyx::WHOLE_WORD_STRICT);
1276                                 bv->screen().toggleSelection(this, bv, false);
1277                         } else {
1278                                 selectWord(lyx::WHOLE_WORD_STRICT);
1279                         }
1280                         update();
1281                         bv->haveSelection(selection.set());
1282                 }
1283                 break;
1284
1285         case LFUN_MOUSE_MOTION:
1286         {
1287                 // Only use motion with button 1
1288                 //if (ev.button() != mouse_button::button1)
1289                 //      return false;
1290
1291                 if (!bv->buffer())
1292                         break;
1293
1294                 // Check for inset locking
1295                 if (bv->theLockingInset()) {
1296                         Inset * tli = bv->theLockingInset();
1297                         LyXCursor cursor = bv->text->cursor;
1298                         LyXFont font = bv->text->getFont(bv->buffer(),
1299                                                          cursor.par(), cursor.pos());
1300                         int width = tli->width(bv, font);
1301                         int inset_x = font.isVisibleRightToLeft()
1302                                 ? cursor.ix() - width : cursor.ix();
1303                         int start_x = inset_x + tli->scroll();
1304                         FuncRequest cmd1 = cmd;
1305                         cmd1.x = cmd.x - start_x;
1306                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1307                         tli->localDispatch(cmd1);
1308                         break;
1309                 }
1310
1311                 // The test for not selection possible is needed, that only motion
1312                 // events are used, where the bottom press event was on
1313                 //  the drawing area too
1314                 if (!selection_possible) {
1315                         lyxerr[Debug::ACTION]
1316                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1317                         break;
1318                 }
1319
1320                 RowList::iterator cursorrow = bv->text->cursorRow();
1321                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->text->top_y());
1322         #if 0
1323                 // sorry for this but I have a strange error that the y value jumps at
1324                 // a certain point. This seems like an error in my xforms library or
1325                 // in some other local environment, but I would like to leave this here
1326                 // for the moment until I can remove this (Jug 20020418)
1327                 if (y_before < bv->text->cursor.y())
1328                         lyxerr << y_before << ':'
1329                                << bv->text->cursor.y() << endl;
1330         #endif
1331                 // This is to allow jumping over large insets
1332                 if (cursorrow == bv->text->cursorRow()) {
1333                         if (cmd.y >= bv->workHeight())
1334                                 bv->text->cursorDown(false);
1335                         else if (cmd.y < 0)
1336                                 bv->text->cursorUp(false);
1337                 }
1338
1339                 // Maybe an empty line was deleted
1340                 if (!bv->text->selection.set())
1341                         bv->update(BufferView::UPDATE);
1342                 bv->text->setSelection();
1343                 bv->screen().toggleToggle(bv->text, bv);
1344                 bv->fitCursor();
1345                 break;
1346         }
1347
1348         // Single-click on work area
1349         case LFUN_MOUSE_PRESS:
1350         {
1351                 if (!bv->buffer())
1352                         break;
1353
1354                 // ok ok, this is a hack (for xforms)
1355                 // We shouldn't go further down as we really should only do the
1356                 // scrolling and be done with this. Otherwise we may open some
1357                 // dialogs (Jug 20020424).
1358                 if (cmd.button() == mouse_button::button4) {
1359                         bv->scroll(-lyxrc.wheel_jump);
1360                         break;
1361                 }
1362                 if (cmd.button() == mouse_button::button5) {
1363                         bv->scroll(lyxrc.wheel_jump);
1364                         break;
1365                 }
1366
1367                 int x = cmd.x;
1368                 int y = cmd.y;
1369                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1370
1371                 // Middle button press pastes if we have a selection
1372                 // We do this here as if the selection was inside an inset
1373                 // it could get cleared on the unlocking of the inset so
1374                 // we have to check this first
1375                 bool paste_internally = false;
1376                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1377                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1378                         paste_internally = true;
1379                 }
1380
1381                 int const screen_first = bv->text->top_y();
1382
1383                 if (bv->theLockingInset()) {
1384                         // We are in inset locking mode
1385
1386                         // Check whether the inset was hit. If not reset mode,
1387                         // otherwise give the event to the inset
1388                         if (inset_hit == bv->theLockingInset()) {
1389                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1390                                 bv->theLockingInset()->localDispatch(cmd1);
1391                                 break;
1392                         }
1393                         bv->unlockInset(bv->theLockingInset());
1394                 }
1395
1396                 if (!inset_hit)
1397                         selection_possible = true;
1398
1399                 // Clear the selection
1400                 bv->screen().toggleSelection(bv->text, bv);
1401                 bv->text->clearSelection();
1402                 bv->text->partialRebreak();
1403                 bv->update();
1404                 bv->updateScrollbar();
1405
1406                 // Single left click in math inset?
1407                 if (isHighlyEditableInset(inset_hit)) {
1408                         // Highly editable inset, like math
1409                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1410                         selection_possible = false;
1411                         bv->owner()->message(inset->editMessage());
1412                         // We just have to lock the inset before calling a PressEvent on it!
1413                         if (!bv->lockInset(inset))
1414                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1415                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1416                         inset->localDispatch(cmd1);
1417                         break;
1418                 }
1419                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1420
1421                 // Right click on a footnote flag opens float menu
1422                 if (cmd.button() == mouse_button::button3) {
1423                         selection_possible = false;
1424                         break;
1425                 }
1426
1427                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1428                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1429                 finishUndo();
1430                 bv->text->selection.cursor = bv->text->cursor;
1431                 bv->text->cursor.x_fix(bv->text->cursor.x());
1432
1433                 if (bv->fitCursor())
1434                         selection_possible = false;
1435
1436                 // Insert primary selection with middle mouse
1437                 // if there is a local selection in the current buffer,
1438                 // insert this
1439                 if (cmd.button() == mouse_button::button2) {
1440                         if (paste_internally)
1441                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1442                         else
1443                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1444                         selection_possible = false;
1445                 }
1446                 break;
1447         }
1448
1449         case LFUN_MOUSE_RELEASE:
1450         {
1451                 // do nothing if we used the mouse wheel
1452                 if (!bv->buffer())
1453                         break;
1454
1455                 if (cmd.button() == mouse_button::button4
1456                  || cmd.button() == mouse_button::button5)
1457                         break;
1458
1459                 // If we hit an inset, we have the inset coordinates in these
1460                 // and inset_hit points to the inset.  If we do not hit an
1461                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1462                 int x = cmd.x;
1463                 int y = cmd.y;
1464                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1465
1466                 if (bv->theLockingInset()) {
1467                         // We are in inset locking mode.
1468
1469                         // LyX does a kind of work-area grabbing for insets.
1470                         // Only a ButtonPress FuncRequest outside the inset will
1471                         // force a insetUnlock.
1472                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1473                         bv->theLockingInset()->localDispatch(cmd1);
1474                         break;
1475                 }
1476
1477                 selection_possible = false;
1478
1479                 if (cmd.button() == mouse_button::button2)
1480                         break;
1481
1482                 // finish selection
1483                 if (cmd.button() == mouse_button::button1)
1484                         bv->haveSelection(selection.set());
1485
1486                 bv->switchKeyMap();
1487                 bv->owner()->view_state_changed();
1488                 bv->owner()->updateMenubar();
1489                 bv->owner()->updateToolbar();
1490
1491                 // Did we hit an editable inset?
1492                 if (inset_hit) {
1493                         selection_possible = false;
1494
1495                         // if we reach this point with a selection, it
1496                         // must mean we are currently selecting.
1497                         // But we don't want to open the inset
1498                         // because that is annoying for the user.
1499                         // So just pretend we didn't hit it.
1500                         // this is OK because a "kosher" ButtonRelease
1501                         // will follow a ButtonPress that clears
1502                         // the selection.
1503                         // Note this also fixes selection drawing
1504                         // problems if we end up opening an inset
1505                         if (selection.set())
1506                                 break;
1507
1508                         // CHECK fix this proper in 0.13
1509                         // well, maybe 13.0 !!!!!!!!!
1510
1511                         // Following a ref shouldn't issue
1512                         // a push on the undo-stack
1513                         // anylonger, now that we have
1514                         // keybindings for following
1515                         // references and returning from
1516                         // references.  IMHO though, it
1517                         // should be the inset's own business
1518                         // to push or not push on the undo
1519                         // stack. They don't *have* to
1520                         // alter the document...
1521                         // (Joacim)
1522                         // ...or maybe the SetCursorParUndo()
1523                         // below isn't necessary at all anylonger?
1524                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1525                                 setCursorParUndo(bv);
1526
1527                         bv->owner()->message(inset_hit->editMessage());
1528
1529                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1530                         inset_hit->localDispatch(cmd1);
1531                 }
1532
1533                 break;
1534         }
1535
1536         case LFUN_SELFINSERT: {
1537                 if (cmd.argument.empty())
1538                         break;
1539
1540                 // Automatically delete the currently selected
1541                 // text and replace it with what is being
1542                 // typed in now. Depends on lyxrc settings
1543                 // "auto_region_delete", which defaults to
1544                 // true (on).
1545
1546                 if (lyxrc.auto_region_delete) {
1547                         if (selection.set()) {
1548                                 cutSelection(false, false);
1549                                 update();
1550                         }
1551                         bv->haveSelection(false);
1552                 }
1553
1554                 bv->beforeChange(this);
1555                 LyXFont const old_font(real_current_font);
1556
1557                 string::const_iterator cit = cmd.argument.begin();
1558                 string::const_iterator end = cmd.argument.end();
1559                 for (; cit != end; ++cit)
1560                         bv->owner()->getIntl().getTransManager().
1561                                 TranslateAndInsert(*cit, this);
1562
1563                 update();
1564                 selection.cursor = cursor;
1565                 moveCursorUpdate(bv, false);
1566
1567                 // real_current_font.number can change so we need to
1568                 // update the minibuffer
1569                 if (old_font != real_current_font)
1570                         bv->owner()->view_state_changed();
1571                 break;
1572         }
1573
1574         case LFUN_HTMLURL: {
1575                 InsetCommandParams p("htmlurl");
1576                 string const data = InsetCommandMailer::params2string("url", p);
1577                 bv->owner()->getDialogs().show("url", data, 0);
1578                 break;
1579         }
1580
1581         case LFUN_URL: {
1582                 InsetCommandParams p("url");
1583                 string const data = InsetCommandMailer::params2string("url", p);
1584                 bv->owner()->getDialogs().show("url", data, 0);
1585                 break;
1586         }
1587
1588
1589 #if 0
1590         case LFUN_INSET_LIST:
1591         case LFUN_INSET_THEOREM:
1592         case LFUN_INSET_CAPTION:
1593 #endif
1594         case LFUN_INSERT_NOTE:
1595         case LFUN_INSERT_BIBITEM:
1596         case LFUN_INSET_ERT:
1597         case LFUN_INSET_FLOAT:
1598         case LFUN_INSET_FOOTNOTE:
1599         case LFUN_INSET_MARGINAL:
1600         case LFUN_INSET_MINIPAGE:
1601         case LFUN_INSET_OPTARG:
1602         case LFUN_INSET_WIDE_FLOAT:
1603         case LFUN_INSET_WRAP:
1604         case LFUN_TABULAR_INSERT:
1605         case LFUN_ENVIRONMENT_INSERT:
1606                 // Open the inset, and move the current selection
1607                 // inside it.
1608                 doInsertInset(this, cmd, true, true);
1609                 break;
1610
1611         case LFUN_INDEX_INSERT:
1612                 // Just open the inset
1613                 doInsertInset(this, cmd, true, false);
1614                 break;
1615
1616         case LFUN_INDEX_PRINT:
1617         case LFUN_TOC_INSERT:
1618         case LFUN_HFILL:
1619                 // do nothing fancy
1620                 doInsertInset(this, cmd, false, false);
1621                 break;
1622
1623         default:
1624                 return UNDISPATCHED;
1625         }
1626
1627         return DISPATCHED;
1628 }