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
  47 extern string current_layout;
  48 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  49
  50 // the selection possible is needed, that only motion events are
  51 // used, where the bottom press event was on the drawing area too
  52 bool selection_possible = false;
  53
  54
  55 namespace {
  56
  57         void moveCursorUpdate(BufferView * bv, bool selecting)
  58         {
  59                 LyXText * lt = bv->getLyXText();
  60
  61                 if (selecting || lt->selection.mark()) {
  62                         lt->setSelection();
  63                         if (lt->isInInset())
  64                                 bv->updateInset(lt->inset_owner);
  65                         else
  66                                 bv->toggleToggle();
  67                 }
  68                 if (!lt->isInInset()) {
  69                         bv->update(lt, BufferView::SELECT);
  70                         bv->showCursor();
  71                 } else if (bv->text->refreshStatus() != LyXText::REFRESH_NONE) {
  72                         bv->theLockingInset()->hideInsetCursor(bv);
  73                         bv->update(BufferView::SELECT);
  74                         bv->showCursor();
  75                 }
  76
  77                 if (!lt->selection.set())
  78                         bv->haveSelection(false);
  79
  80                 bv->switchKeyMap();
  81         }
  82
  83
  84         void finishChange(BufferView * bv, bool selecting = false)
  85         {
  86                 finishUndo();
  87                 moveCursorUpdate(bv, selecting);
  88                 bv->owner()->view_state_changed();
  89         }
  90
  91         // check if the given co-ordinates are inside an inset at the
  92         // given cursor, if one exists. If so, the inset is returned,
  93         // and the co-ordinates are made relative. Otherwise, 0 is returned.
  94         Inset * checkInset(BufferView * bv, LyXText & text,
  95                 LyXCursor const & cur, int & x, int & y)
  96         {
  97                 lyx::pos_type const pos = cur.pos();
  98                 Paragraph /*const*/ & par = *cur.par();
  99
 100                 if (pos >= par.size() || !par.isInset(pos))
 101                         return 0;
 102
 103                 Inset /*const*/ * inset = par.getInset(pos);
 104
 105                 if (!isEditableInset(inset))
 106                         return 0;
 107
 108                 // get inset dimensions
 109                 lyx::Assert(par.getInset(pos));
 110
 111                 LyXFont const & font = text.getFont(bv->buffer(), &par, pos);
 112
 113                 int const width = inset->width(bv, font);
 114                 int const inset_x = font.isVisibleRightToLeft()
 115                         ? (cur.ix() - width) : cur.ix();
 116
 117                 Box b(
 118                         inset_x + inset->scroll(),
 119                         inset_x + width,
 120                         cur.iy() - inset->ascent(bv, font),
 121                         cur.iy() + inset->descent(bv, font)
 122                 );
 123
 124                 if (!b.contained(x, y)) {
 125                         lyxerr[Debug::GUI] << "Missed inset at x,y "
 126                                            << x << ',' << y
 127                                            << " box " << b << endl;
 128                         return 0;
 129                 }
 130
 131                 text.setCursor(&par, pos, true);
 132
 133                 x -= b.x1;
 134                 // The origin of an inset is on the baseline
 135                 y -= text.cursor.iy();
 136
 137                 return inset;
 138         }
 139
 140 } // anon namespace
 141
 142
 143 Inset * LyXText::checkInsetHit(int & x, int & y)
 144 {
 145         int y_tmp = y + top_y();
 146
 147         LyXCursor cur;
 148         setCursorFromCoordinates(cur, x, y_tmp);
 149
 150         Inset * inset = checkInset(bv(), *this, cur, x, y_tmp);
 151         if (inset) {
 152                 y = y_tmp;
 153                 return inset;
 154         }
 155
 156         // look at previous position
 157         if (cur.pos() == 0)
 158                 return 0;
 159
 160         // move back one
 161         setCursor(cur, cur.par(), cur.pos() - 1, true);
 162
 163         inset = checkInset(bv(), *this, cur, x, y_tmp);
 164         if (inset)
 165                 y = y_tmp;
 166         return inset;
 167 }
 168
 169
 170 bool LyXText::gotoNextInset(vector<Inset::Code> const & codes,
 171                             string const & contents)
 172 {
 173         LyXCursor res = cursor;
 174         Inset * inset;
 175         do {
 176                 if (res.pos() < res.par()->size() - 1) {
 177                         res.pos(res.pos() + 1);
 178                 } else  {
 179                         res.par(res.par()->next());
 180                         res.pos(0);
 181                 }
 182
 183         } while (res.par() &&
 184                  !(res.par()->isInset(res.pos())
 185                    && (inset = res.par()->getInset(res.pos())) != 0
 186                    && find(codes.begin(), codes.end(), inset->lyxCode())
 187                    != codes.end()
 188                    && (contents.empty() ||
 189                        static_cast<InsetCommand *>(
 190                                                         res.par()->getInset(res.pos()))->getContents()
 191                        == contents)));
 192
 193         if (res.par()) {
 194                 setCursor(res.par(), res.pos(), false);
 195                 return true;
 196         }
 197         return false;
 198 }
 199
 200
 201 void LyXText::gotoInset(vector<Inset::Code> const & codes,
 202                                   bool same_content)
 203 {
 204         bv()->hideCursor();
 205         bv()->beforeChange(this);
 206         update();
 207
 208         string contents;
 209         if (same_content && cursor.par()->isInset(cursor.pos())) {
 210                 Inset const * inset = cursor.par()->getInset(cursor.pos());
 211                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 212                     != codes.end())
 213                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 214         }
 215
 216         if (!gotoNextInset(codes, contents)) {
 217                 if (cursor.pos() || cursor.par() != ownerParagraphs().begin()) {
 218                         LyXCursor tmp = cursor;
 219                         cursor.par(&*ownerParagraphs().begin());
 220                         cursor.pos(0);
 221                         if (!gotoNextInset(codes, contents)) {
 222                                 cursor = tmp;
 223                                 bv()->owner()->message(_("No more insets"));
 224                         }
 225                 } else {
 226                         bv()->owner()->message(_("No more insets"));
 227                 }
 228         }
 229         update();
 230         selection.cursor = cursor;
 231 }
 232
 233
 234 void LyXText::gotoInset(Inset::Code code, bool same_content)
 235 {
 236         gotoInset(vector<Inset::Code>(1, code), same_content);
 237 }
 238
 239
 240 void LyXText::cursorPrevious()
 241 {
 242         int y = top_y();
 243
 244         if (cursor.row() == rows().begin()) {
 245                 if (y > 0) {
 246                         int new_y = bv()->text->top_y() - bv()->workHeight();
 247                         bv()->screen().draw(bv()->text, bv(), new_y < 0 ? 0 : new_y);
 248                         bv()->updateScrollbar();
 249                 }
 250                 return;
 251         }
 252
 253         RowList::iterator cursorrow = cursor.row();
 254
 255         setCursorFromCoordinates(cursor.x_fix(), y);
 256         finishUndo();
 257
 258         int new_y;
 259         if (cursorrow == bv()->text->cursor.row()) {
 260                 // we have a row which is taller than the workarea. The
 261                 // simplest solution is to move to the previous row instead.
 262                 cursorUp(true);
 263                 return;
 264                 // This is what we used to do, so we wouldn't skip right past
 265                 // tall rows, but it's not working right now.
 266 #if 0
 267                 new_y = bv->text->top_y() - bv->workHeight();
 268 #endif
 269         } else {
 270                 if (inset_owner) {
 271                         new_y = bv()->text->cursor.iy()
 272                                 + bv()->theLockingInset()->insetInInsetY() + y
 273                                 + cursor.row()->height()
 274                                 - bv()->workHeight() + 1;
 275                 } else {
 276                         new_y = cursor.y()
 277                                 - cursor.row()->baseline()
 278                                 + cursor.row()->height()
 279                                 - bv()->workHeight() + 1;
 280                 }
 281         }
 282         bv()->screen().draw(bv()->text, bv(), new_y < 0 ? 0 : new_y);
 283         if (cursor.row() != rows().begin()) {
 284                 LyXCursor cur;
 285                 setCursor(cur, boost::prior(cursor.row())->par(),
 286                           boost::prior(cursor.row())->pos(), false);
 287                 if (cur.y() > top_y()) {
 288                         cursorUp(true);
 289                 }
 290         }
 291         bv()->updateScrollbar();
 292 }
 293
 294
 295 void LyXText::cursorNext()
 296 {
 297         int topy = top_y();
 298
 299         if (boost::next(cursor.row()) == rows().end()) {
 300                 int y = cursor.y() - cursor.row()->baseline() +
 301                         cursor.row()->height();
 302                 if (y > topy + bv()->workHeight()) {
 303                         bv()->screen().draw(bv()->text, bv(), bv()->text->top_y() + bv()->workHeight());
 304                         bv()->updateScrollbar();
 305                 }
 306                 return;
 307         }
 308
 309         int y = topy + bv()->workHeight();
 310         if (inset_owner && !topy) {
 311                 y -= (bv()->text->cursor.iy()
 312                           - bv()->text->top_y()
 313                           + bv()->theLockingInset()->insetInInsetY());
 314         }
 315
 316         getRowNearY(y);
 317
 318         RowList::iterator cursorrow = cursor.row();
 319         setCursorFromCoordinates(cursor.x_fix(), y);
 320         // + bv->workHeight());
 321         finishUndo();
 322
 323         int new_y;
 324         if (cursorrow == bv()->text->cursor.row()) {
 325                 // we have a row which is taller than the workarea. The
 326                 // simplest solution is to move to the next row instead.
 327                 cursorDown(true);
 328                 return;
 329                 // This is what we used to do, so we wouldn't skip right past
 330                 // tall rows, but it's not working right now.
 331 #if 0
 332                 new_y = bv->text->top_y() + bv->workHeight();
 333 #endif
 334         } else {
 335                 if (inset_owner) {
 336                         new_y = bv()->text->cursor.iy()
 337                                 + bv()->theLockingInset()->insetInInsetY()
 338                                 + y - cursor.row()->baseline();
 339                 } else {
 340                         new_y =  cursor.y() - cursor.row()->baseline();
 341                 }
 342         }
 343         bv()->screen().draw(bv()->text, bv(), new_y);
 344         if (boost::next(cursor.row()) != rows().end()) {
 345                 LyXCursor cur;
 346                 setCursor(cur, boost::next(cursor.row())->par(),
 347                           boost::next(cursor.row())->pos(), false);
 348                 if (cur.y() < top_y() + bv()->workHeight()) {
 349                         cursorDown(true);
 350                 }
 351         }
 352         bv()->updateScrollbar();
 353 }
 354
 355
 356 void LyXText::update()
 357 {
 358         bv()->update(this, BufferView::SELECT);
 359 }
 360
 361 namespace {
 362
 363 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 364 {
 365         bv->hideCursor();
 366         lt->update();
 367         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 368         if (!bv->insertInset(new_inset))
 369                 delete new_inset;
 370         else
 371                 bv->updateInset(new_inset);
 372 }
 373
 374
 375 void doInsertInset(LyXText * lt, FuncRequest const & cmd,
 376                    bool edit, bool pastesel)
 377 {
 378         Inset * inset = createInset(cmd);
 379         BufferView * bv = cmd.view();
 380
 381         if (inset) {
 382                 bool gotsel = false;
 383                 if (lt->selection.set()) {
 384                         lt->cutSelection(true, false);
 385                         gotsel = true;
 386                 }
 387                 if (bv->insertInset(inset)) {
 388                         if (edit)
 389                                 inset->edit(bv);
 390                         if (gotsel && pastesel)
 391                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION));
 392                 }
 393                 else
 394                         delete inset;
 395         }
 396 }
 397
 398 }
 399
 400 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 401 {
 402         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 403                               <<"] arg[" << cmd.argument << ']' << endl;
 404
 405         BufferView * bv = cmd.view();
 406
 407         switch (cmd.action) {
 408
 409         case LFUN_APPENDIX: {
 410                 Paragraph * par = cursor.par();
 411                 bool start = !par->params().startOfAppendix();
 412
 413                 // ensure that we have only one start_of_appendix in this document
 414                 ParagraphList::iterator tmp = ownerParagraphs().begin();
 415                 ParagraphList::iterator end = ownerParagraphs().end();
 416
 417                 for (; tmp != end; ++tmp) {
 418                         if (tmp->params().startOfAppendix()) {
 419                                 setUndo(bv, Undo::EDIT, &*tmp, &*boost::next(tmp));
 420                                 tmp->params().startOfAppendix(false);
 421                                 int tmpy;
 422                                 setHeightOfRow(getRow(&*tmp, 0, tmpy));
 423                                 break;
 424                         }
 425                 }
 426
 427                 setUndo(bv, Undo::EDIT, par, par->next());
 428                 par->params().startOfAppendix(start);
 429
 430                 // we can set the refreshing parameters now
 431                 updateCounters();
 432                 redoHeightOfParagraph();
 433                 postPaint(0);
 434                 setCursor(cursor.par(), cursor.pos());
 435                 update();
 436                 break;
 437         }
 438
 439         case LFUN_DELETE_WORD_FORWARD:
 440                 bv->beforeChange(this);
 441                 update();
 442                 deleteWordForward();
 443                 update();
 444                 finishChange(bv);
 445                 break;
 446
 447         case LFUN_DELETE_WORD_BACKWARD:
 448                 bv->beforeChange(this);
 449                 update();
 450                 deleteWordBackward();
 451                 update();
 452                 finishChange(bv);
 453                 break;
 454
 455         case LFUN_DELETE_LINE_FORWARD:
 456                 bv->beforeChange(this);
 457                 update();
 458                 deleteLineForward();
 459                 update();
 460                 finishChange(bv);
 461                 break;
 462
 463         case LFUN_SHIFT_TAB:
 464         case LFUN_TAB:
 465                 if (!selection.mark())
 466                         bv->beforeChange(this);
 467                 update();
 468                 cursorTab();
 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;
 597                 LyXCursor cur2;
 598                 getWord(cur1, cur2, WHOLE_WORD);
 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                         tmpinset->edit(bv, !is_rtl);
 619                         break;
 620                 }
 621                 if (!is_rtl)
 622                         cursorRight(false);
 623                 finishChange(bv);
 624                 break;
 625         }
 626
 627         case LFUN_LEFT: {
 628                 // This is soooo ugly. Isn`t it possible to make
 629                 // it simpler? (Lgb)
 630                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 631                 if (!selection.mark())
 632                         bv->beforeChange(this);
 633                 update();
 634                 LyXCursor const cur = cursor;
 635                 if (!is_rtl)
 636                         cursorLeft(false);
 637                 if ((is_rtl || cur != cursor) && // only if really moved!
 638                     cursor.pos() < cursor.par()->size() &&
 639                     cursor.par()->isInset(cursor.pos()) &&
 640                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 641                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 642                         cmd.message(tmpinset->editMessage());
 643                         tmpinset->edit(bv, is_rtl);
 644                         break;
 645                 }
 646                 if (is_rtl)
 647                         cursorRight(false);
 648                 finishChange(bv);
 649                 break;
 650         }
 651
 652         case LFUN_UP:
 653                 if (!selection.mark())
 654                         bv->beforeChange(this);
 655                 bv->update(this, BufferView::UPDATE);
 656                 cursorUp(bv);
 657                 finishChange(bv);
 658                 break;
 659
 660         case LFUN_DOWN:
 661                 if (!selection.mark())
 662                         bv->beforeChange(this);
 663                 bv->update(this, BufferView::UPDATE);
 664                 cursorDown(bv);
 665                 finishChange(bv);
 666                 break;
 667
 668         case LFUN_UP_PARAGRAPH:
 669                 if (!selection.mark())
 670                         bv->beforeChange(this);
 671                 bv->update(this, BufferView::UPDATE);
 672                 cursorUpParagraph();
 673                 finishChange(bv);
 674                 break;
 675
 676         case LFUN_DOWN_PARAGRAPH:
 677                 if (!selection.mark())
 678                         bv->beforeChange(this);
 679                 bv->update(this, BufferView::UPDATE);
 680                 cursorDownParagraph();
 681                 finishChange(bv, false);
 682                 break;
 683
 684         case LFUN_PRIOR:
 685                 if (!selection.mark())
 686                         bv->beforeChange(this);
 687                 bv->update(this, BufferView::UPDATE);
 688                 cursorPrevious();
 689                 finishChange(bv, false);
 690                 // was:
 691                 // finishUndo();
 692                 // moveCursorUpdate(bv, false, false);
 693                 // owner_->view_state_changed();
 694                 break;
 695
 696         case LFUN_NEXT:
 697                 if (!selection.mark())
 698                         bv->beforeChange(this);
 699                 bv->update(this, BufferView::UPDATE);
 700                 cursorNext();
 701                 finishChange(bv, false);
 702                 break;
 703
 704         case LFUN_HOME:
 705                 if (!selection.mark())
 706                         bv->beforeChange(this);
 707                 update();
 708                 cursorHome();
 709                 finishChange(bv, false);
 710                 break;
 711
 712         case LFUN_END:
 713                 if (!selection.mark())
 714                         bv->beforeChange(this);
 715                 update();
 716                 cursorEnd();
 717                 finishChange(bv, false);
 718                 break;
 719
 720         case LFUN_BREAKLINE: {
 721                 lyx::pos_type body = cursor.par()->beginningOfBody();
 722
 723                 // Not allowed by LaTeX (labels or empty par)
 724                 if (cursor.pos() <= body)
 725                         break;
 726
 727                 bv->beforeChange(this);
 728                 insertInset(new InsetNewline);
 729                 update();
 730                 setCursor(cursor.par(), cursor.pos());
 731                 moveCursorUpdate(bv, false);
 732                 break;
 733         }
 734
 735         case LFUN_DELETE:
 736                 if (!selection.set()) {
 737                         Delete();
 738                         selection.cursor = cursor;
 739                         update();
 740                         // It is possible to make it a lot faster still
 741                         // just comment out the line below...
 742                         bv->showCursor();
 743                 } else {
 744                         update();
 745                         cutSelection(bv, true);
 746                         update();
 747                 }
 748                 moveCursorUpdate(bv, false);
 749                 bv->owner()->view_state_changed();
 750                 bv->switchKeyMap();
 751                 break;
 752
 753         case LFUN_DELETE_SKIP:
 754                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 755                 if (!selection.set()) {
 756                         LyXCursor cur = cursor;
 757                         if (cur.pos() == cur.par()->size()) {
 758                                 cursorRight(bv);
 759                                 cur = cursor;
 760                                 if (cur.pos() == 0
 761                                     && !(cur.par()->params().spaceTop()
 762                                          == VSpace (VSpace::NONE))) {
 763                                         setParagraph(
 764                                                  cur.par()->params().lineTop(),
 765                                                  cur.par()->params().lineBottom(),
 766                                                  cur.par()->params().pagebreakTop(),
 767                                                  cur.par()->params().pagebreakBottom(),
 768                                                  VSpace(VSpace::NONE),
 769                                                  cur.par()->params().spaceBottom(),
 770                                                  cur.par()->params().spacing(),
 771                                                  cur.par()->params().align(),
 772                                                  cur.par()->params().labelWidthString(), 0);
 773                                         cursorLeft(bv);
 774                                         update();
 775                                 } else {
 776                                         cursorLeft(bv);
 777                                         Delete();
 778                                         selection.cursor = cursor;
 779                                 }
 780                         } else {
 781                                 Delete();
 782                                 selection.cursor = cursor;
 783                         }
 784                 } else {
 785                         update();
 786                         cutSelection(bv, true);
 787                 }
 788                 update();
 789                 break;
 790
 791
 792         case LFUN_BACKSPACE:
 793                 if (!selection.set()) {
 794                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 795                                 backspace();
 796                                 selection.cursor = cursor;
 797                                 update();
 798                                 // It is possible to make it a lot faster still
 799                                 // just comment out the line below...
 800                                 bv->showCursor();
 801                         }
 802                 } else {
 803                         update();
 804                         cutSelection(bv, true);
 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(bv, true);
 834                 }
 835                 update();
 836                 break;
 837
 838         case LFUN_BREAKPARAGRAPH:
 839                 bv->beforeChange(this);
 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                 bv->beforeChange(this);
 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                 bv->beforeChange(this);
 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                 Paragraph * par = cursor.par();
 887                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
 888                 float cur_value = 1.0;
 889                 if (cur_spacing == Spacing::Other)
 890                         cur_value = par->params().spacing().getValue();
 891
 892                 istringstream is(cmd.argument.c_str());
 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                         par->params().spacing(Spacing(new_spacing, new_value));
 921                         redoParagraph();
 922                         update();
 923                 }
 924                 break;
 925         }
 926
 927         case LFUN_INSET_TOGGLE:
 928                 bv->hideCursor();
 929                 bv->beforeChange(this);
 930                 update();
 931                 toggleInset();
 932                 update();
 933                 bv->switchKeyMap();
 934                 break;
 935
 936         case LFUN_PROTECTEDSPACE:
 937                 if (cursor.par()->layout()->free_spacing) {
 938                         insertChar(' ');
 939                         update();
 940                 } else {
 941                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 942                 }
 943                 moveCursorUpdate(bv, false);
 944                 break;
 945
 946         case LFUN_HYPHENATION:
 947                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 948                 break;
 949
 950         case LFUN_LIGATURE_BREAK:
 951                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 952                 break;
 953
 954         case LFUN_LDOTS:
 955                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 956                 break;
 957
 958         case LFUN_END_OF_SENTENCE:
 959                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 960                 break;
 961
 962         case LFUN_MENU_SEPARATOR:
 963                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 964                 break;
 965
 966         case LFUN_MARK_OFF:
 967                 bv->beforeChange(this);
 968                 update();
 969                 selection.cursor = cursor;
 970                 cmd.message(N_("Mark off"));
 971                 break;
 972
 973         case LFUN_MARK_ON:
 974                 bv->beforeChange(this);
 975                 selection.mark(true);
 976                 update();
 977                 selection.cursor = cursor;
 978                 cmd.message(N_("Mark on"));
 979                 break;
 980
 981         case LFUN_SETMARK:
 982                 bv->beforeChange(this);
 983                 if (selection.mark()) {
 984                         update();
 985                         cmd.message(N_("Mark removed"));
 986                 } else {
 987                         selection.mark(true);
 988                         update();
 989                         cmd.message(N_("Mark set"));
 990                 }
 991                 selection.cursor = cursor;
 992                 break;
 993
 994         case LFUN_UPCASE_WORD:
 995                 update();
 996                 changeCase(LyXText::text_uppercase);
 997                 if (inset_owner)
 998                         bv->updateInset(inset_owner);
 999                 update();
1000                 break;
1001
1002         case LFUN_LOWCASE_WORD:
1003                 update();
1004                 changeCase(LyXText::text_lowercase);
1005                 if (inset_owner)
1006                         bv->updateInset(inset_owner);
1007                 update();
1008                 break;
1009
1010         case LFUN_CAPITALIZE_WORD:
1011                 update();
1012                 changeCase(LyXText::text_capitalization);
1013                 if (inset_owner)
1014                         bv->updateInset(inset_owner);
1015                 update();
1016                 break;
1017
1018         case LFUN_TRANSPOSE_CHARS:
1019                 update();
1020                 transposeChars(*this, cursor);
1021                 if (inset_owner)
1022                         bv->updateInset(inset_owner);
1023                 update();
1024                 break;
1025
1026         case LFUN_PASTE:
1027                 cmd.message(_("Paste"));
1028                 bv->hideCursor();
1029                 // clear the selection
1030                 bv->toggleSelection();
1031                 clearSelection();
1032                 update();
1033                 pasteSelection();
1034                 clearSelection(); // bug 393
1035                 update();
1036                 bv->switchKeyMap();
1037                 break;
1038
1039         case LFUN_CUT:
1040                 bv->hideCursor();
1041                 update();
1042                 cutSelection(bv, true);
1043                 update();
1044                 cmd.message(_("Cut"));
1045                 break;
1046
1047         case LFUN_COPY:
1048                 copySelection();
1049                 cmd.message(_("Copy"));
1050                 break;
1051
1052         case LFUN_BEGINNINGBUFSEL:
1053                 if (inset_owner)
1054                         return UNDISPATCHED;
1055                 update();
1056                 cursorTop();
1057                 finishChange(bv, true);
1058                 break;
1059
1060         case LFUN_ENDBUFSEL:
1061                 if (inset_owner)
1062                         return UNDISPATCHED;
1063                 update();
1064                 cursorBottom();
1065                 finishChange(bv, true);
1066                 break;
1067
1068         case LFUN_GETXY:
1069                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1070                 break;
1071
1072         case LFUN_SETXY: {
1073                 int x = 0;
1074                 int y = 0;
1075                 istringstream is(cmd.argument.c_str());
1076                 is >> x >> y;
1077                 if (!is)
1078                         lyxerr << "SETXY: Could not parse coordinates in '"
1079                                << cmd.argument << std::endl;
1080                 else
1081                         setCursorFromCoordinates(x, y);
1082                 break;
1083         }
1084
1085         case LFUN_GETFONT:
1086                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1087                         cmd.message("E");
1088                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1089                         cmd.message("N");
1090                 else
1091                         cmd.message("0");
1092                 break;
1093
1094         case LFUN_GETLAYOUT:
1095                 cmd.message(tostr(cursor.par()->layout()));
1096                 break;
1097
1098         case LFUN_LAYOUT: {
1099                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1100                   << cmd.argument << endl;
1101
1102                 // This is not the good solution to the empty argument
1103                 // problem, but it will hopefully suffice for 1.2.0.
1104                 // The correct solution would be to augument the
1105                 // function list/array with information about what
1106                 // functions needs arguments and their type.
1107                 if (cmd.argument.empty()) {
1108                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1109                         break;
1110                 }
1111
1112                 // Derive layout number from given argument (string)
1113                 // and current buffer's textclass (number)
1114                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1115                 bool hasLayout = tclass.hasLayout(cmd.argument);
1116                 string layout = cmd.argument;
1117
1118                 // If the entry is obsolete, use the new one instead.
1119                 if (hasLayout) {
1120                         string const & obs = tclass[layout]->obsoleted_by();
1121                         if (!obs.empty())
1122                                 layout = obs;
1123                 }
1124
1125                 if (!hasLayout) {
1126                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1127                                 N_(" not known"));
1128                         break;
1129                 }
1130
1131                 bool change_layout = (current_layout != layout);
1132                 if (!change_layout && selection.set() &&
1133                         selection.start.par() != selection.end.par())
1134                 {
1135                         Paragraph * spar = selection.start.par();
1136                         Paragraph * epar = selection.end.par()->next();
1137                         while (spar != epar) {
1138                                 if (spar->layout()->name() != current_layout) {
1139                                         change_layout = true;
1140                                         break;
1141                                 }
1142                                 spar = spar->next();
1143                         }
1144                 }
1145                 if (change_layout) {
1146                         bv->hideCursor();
1147                         current_layout = layout;
1148                         update();
1149                         setLayout(layout);
1150                         bv->owner()->setLayout(layout);
1151                         update();
1152                         bv->switchKeyMap();
1153                 }
1154                 break;
1155         }
1156
1157         case LFUN_PASTESELECTION: {
1158                 if (!bv->buffer())
1159                         break;
1160                 bv->hideCursor();
1161                 // this was originally a beforeChange(bv->text), i.e
1162                 // the outermost LyXText!
1163                 bv->beforeChange(this);
1164                 string const clip = bv->getClipboard();
1165                 if (!clip.empty()) {
1166                         if (cmd.argument == "paragraph")
1167                                 insertStringAsParagraphs(clip);
1168                         else
1169                                 insertStringAsLines(clip);
1170                         clearSelection();
1171                         update();
1172                 }
1173                 break;
1174         }
1175
1176         case LFUN_GOTOERROR:
1177                 gotoInset(Inset::ERROR_CODE, false);
1178                 break;
1179
1180         case LFUN_GOTONOTE:
1181                 gotoInset(Inset::NOTE_CODE, false);
1182                 break;
1183
1184         case LFUN_REFERENCE_GOTO:
1185         {
1186                 vector<Inset::Code> tmp;
1187                 tmp.push_back(Inset::LABEL_CODE);
1188                 tmp.push_back(Inset::REF_CODE);
1189                 gotoInset(tmp, true);
1190                 break;
1191         }
1192
1193         case LFUN_QUOTE: {
1194                 Paragraph const * par = cursor.par();
1195                 lyx::pos_type pos = cursor.pos();
1196                 char c;
1197                 if (!pos)
1198                         c = ' ';
1199                 else if (par->isInset(pos - 1) && par->getInset(pos - 1)->isSpace())
1200                         c = ' ';
1201                 else
1202                         c = par->getChar(pos - 1);
1203
1204                 bv->hideCursor();
1205                 LyXLayout_ptr const & style = par->layout();
1206
1207                 if (style->pass_thru ||
1208                                 par->getFontSettings(bv->buffer()->params,
1209                                          pos).language()->lang() == "hebrew" ||
1210                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1211                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1212                 break;
1213         }
1214
1215         case LFUN_DATE_INSERT: {
1216                 time_t now_time_t = time(NULL);
1217                 struct tm * now_tm = localtime(&now_time_t);
1218                 setlocale(LC_TIME, "");
1219                 string arg;
1220                 if (!cmd.argument.empty())
1221                         arg = cmd.argument;
1222                 else
1223                         arg = lyxrc.date_insert_format;
1224                 char datetmp[32];
1225                 int const datetmp_len =
1226                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1227
1228                 for (int i = 0; i < datetmp_len; i++) {
1229                         insertChar(datetmp[i]);
1230                         update();
1231                 }
1232                 selection.cursor = cursor;
1233                 moveCursorUpdate(bv, false);
1234                 break;
1235         }
1236
1237         case LFUN_MOUSE_TRIPLE:
1238                 if (!bv->buffer())
1239                         break;
1240                 if (!isInInset() && bv->theLockingInset())
1241                         break;
1242                 if (cmd.button() == mouse_button::button1) {
1243                         if (!isInInset()) {
1244                                 bv->screen().hideCursor();
1245                                 bv->screen().toggleSelection(this, bv);
1246                         }
1247                         cursorHome();
1248                         selection.cursor = cursor;
1249                         cursorEnd();
1250                         setSelection();
1251                         if (!isInInset())
1252                                 bv->screen().toggleSelection(this, bv, false);
1253                         update();
1254                         bv->haveSelection(selection.set());
1255                 }
1256                 break;
1257
1258         case LFUN_MOUSE_DOUBLE:
1259                 if (!bv->buffer())
1260                         break;
1261                 if (!isInInset() && bv->theLockingInset())
1262                         break;
1263                 if (cmd.button() == mouse_button::button1) {
1264                         if (!isInInset()) {
1265                                 bv->screen().hideCursor();
1266                                 bv->screen().toggleSelection(this, bv);
1267                                 selectWord(LyXText::WHOLE_WORD_STRICT);
1268                                 bv->screen().toggleSelection(this, bv, false);
1269                         } else {
1270                                 selectWord(LyXText::WHOLE_WORD_STRICT);
1271                         }
1272                         update();
1273                         bv->haveSelection(selection.set());
1274                 }
1275                 break;
1276
1277         case LFUN_MOUSE_MOTION:
1278         {
1279                 // Only use motion with button 1
1280                 //if (ev.button() != mouse_button::button1)
1281                 //      return false;
1282
1283                 if (!bv->buffer())
1284                         break;
1285
1286                 // Check for inset locking
1287                 if (bv->theLockingInset()) {
1288                         Inset * tli = bv->theLockingInset();
1289                         LyXCursor cursor = bv->text->cursor;
1290                         LyXFont font = bv->text->getFont(bv->buffer(),
1291                                                                 cursor.par(), cursor.pos());
1292                         int width = tli->width(bv, font);
1293                         int inset_x = font.isVisibleRightToLeft()
1294                                 ? cursor.ix() - width : cursor.ix();
1295                         int start_x = inset_x + tli->scroll();
1296                         FuncRequest cmd1 = cmd;
1297                         cmd1.x = cmd.x - start_x;
1298                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1299                         tli->localDispatch(cmd1);
1300                         break;
1301                 }
1302
1303                 // The test for not selection possible is needed, that only motion
1304                 // events are used, where the bottom press event was on
1305                 //  the drawing area too
1306                 if (!selection_possible) {
1307                         lyxerr[Debug::ACTION]
1308                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1309                         break;
1310                 }
1311
1312                 bv->screen().hideCursor();
1313
1314                 RowList::iterator cursorrow = bv->text->cursor.row();
1315                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->text->top_y());
1316         #if 0
1317                 // sorry for this but I have a strange error that the y value jumps at
1318                 // a certain point. This seems like an error in my xforms library or
1319                 // in some other local environment, but I would like to leave this here
1320                 // for the moment until I can remove this (Jug 20020418)
1321                 if (y_before < bv->text->cursor.y())
1322                         lyxerr << y_before << ':'
1323                                << bv->text->cursor.y() << endl;
1324         #endif
1325                 // This is to allow jumping over large insets
1326                 if (cursorrow == bv->text->cursor.row()) {
1327                         if (cmd.y >= bv->workHeight())
1328                                 bv->text->cursorDown(false);
1329                         else if (cmd.y < 0)
1330                                 bv->text->cursorUp(false);
1331                 }
1332
1333                 // Maybe an empty line was deleted
1334                 if (!bv->text->selection.set())
1335                         bv->update(BufferView::UPDATE);
1336                 bv->text->setSelection();
1337                 bv->screen().toggleToggle(bv->text, bv);
1338                 bv->fitCursor();
1339                 bv->showCursor();
1340                 break;
1341         }
1342
1343         // Single-click on work area
1344         case LFUN_MOUSE_PRESS:
1345         {
1346                 if (!bv->buffer())
1347                         break;
1348
1349                 // ok ok, this is a hack (for xforms)
1350                 // We shouldn't go further down as we really should only do the
1351                 // scrolling and be done with this. Otherwise we may open some
1352                 // dialogs (Jug 20020424).
1353                 if (cmd.button() == mouse_button::button4) {
1354                         bv->scroll(-lyxrc.wheel_jump);
1355                         break;
1356                 }
1357                 if (cmd.button() == mouse_button::button5) {
1358                         bv->scroll(lyxrc.wheel_jump);
1359                         break;
1360                 }
1361
1362                 int x = cmd.x;
1363                 int y = cmd.y;
1364                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1365
1366                 // Middle button press pastes if we have a selection
1367                 // We do this here as if the selection was inside an inset
1368                 // it could get cleared on the unlocking of the inset so
1369                 // we have to check this first
1370                 bool paste_internally = false;
1371                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1372                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1373                         paste_internally = true;
1374                 }
1375
1376                 int const screen_first = bv->text->top_y();
1377
1378                 if (bv->theLockingInset()) {
1379                         // We are in inset locking mode
1380
1381                         // Check whether the inset was hit. If not reset mode,
1382                         // otherwise give the event to the inset
1383                         if (inset_hit == bv->theLockingInset()) {
1384                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1385                                 bv->theLockingInset()->localDispatch(cmd1);
1386                                 break;
1387                         }
1388                         bv->unlockInset(bv->theLockingInset());
1389                 }
1390
1391                 if (!inset_hit)
1392                         selection_possible = true;
1393                 bv->screen().hideCursor();
1394
1395                 // Clear the selection
1396                 bv->screen().toggleSelection(bv->text, bv);
1397                 bv->text->clearSelection();
1398                 bv->text->fullRebreak();
1399                 bv->update();
1400                 bv->updateScrollbar();
1401
1402                 // Single left click in math inset?
1403                 if (isHighlyEditableInset(inset_hit)) {
1404                         // Highly editable inset, like math
1405                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1406                         selection_possible = false;
1407                         bv->owner()->message(inset->editMessage());
1408                         //inset->edit(bv, x, y, cmd.button());
1409                         // We just have to lock the inset before calling a PressEvent on it!
1410                         // we don't need the edit() call here! (Jug20020329)
1411                         if (!bv->lockInset(inset))
1412                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1413                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1414                         inset->localDispatch(cmd1);
1415                         break;
1416                 }
1417                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1418
1419                 // Right click on a footnote flag opens float menu
1420                 if (cmd.button() == mouse_button::button3) {
1421                         selection_possible = false;
1422                         break;
1423                 }
1424
1425                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1426                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1427                 finishUndo();
1428                 bv->text->selection.cursor = bv->text->cursor;
1429                 bv->text->cursor.x_fix(bv->text->cursor.x());
1430
1431                 if (bv->fitCursor())
1432                         selection_possible = false;
1433
1434                 // Insert primary selection with middle mouse
1435                 // if there is a local selection in the current buffer,
1436                 // insert this
1437                 if (cmd.button() == mouse_button::button2) {
1438                         if (paste_internally)
1439                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1440                         else
1441                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1442                         selection_possible = false;
1443                 }
1444                 break;
1445         }
1446
1447         case LFUN_MOUSE_RELEASE:
1448         {
1449                 // do nothing if we used the mouse wheel
1450                 if (!bv->buffer())
1451                         break;
1452
1453                 if (cmd.button() == mouse_button::button4
1454                  || cmd.button() == mouse_button::button5)
1455                         break;
1456
1457                 // If we hit an inset, we have the inset coordinates in these
1458                 // and inset_hit points to the inset.  If we do not hit an
1459                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1460                 int x = cmd.x;
1461                 int y = cmd.y;
1462                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1463
1464                 if (bv->theLockingInset()) {
1465                         // We are in inset locking mode.
1466
1467                         // LyX does a kind of work-area grabbing for insets.
1468                         // Only a ButtonPress FuncRequest outside the inset will
1469                         // force a insetUnlock.
1470                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1471                         bv->theLockingInset()->localDispatch(cmd1);
1472                         break;
1473                 }
1474
1475                 selection_possible = false;
1476
1477                 if (cmd.button() == mouse_button::button2)
1478                         break;
1479
1480                 // finish selection
1481                 if (cmd.button() == mouse_button::button1)
1482                         bv->haveSelection(selection.set());
1483
1484                 bv->switchKeyMap();
1485                 bv->owner()->view_state_changed();
1486                 bv->owner()->updateMenubar();
1487                 bv->owner()->updateToolbar();
1488
1489                 // Did we hit an editable inset?
1490                 if (inset_hit) {
1491                         selection_possible = false;
1492
1493                         // if we reach this point with a selection, it
1494                         // must mean we are currently selecting.
1495                         // But we don't want to open the inset
1496                         // because that is annoying for the user.
1497                         // So just pretend we didn't hit it.
1498                         // this is OK because a "kosher" ButtonRelease
1499                         // will follow a ButtonPress that clears
1500                         // the selection.
1501                         // Note this also fixes selection drawing
1502                         // problems if we end up opening an inset
1503                         if (selection.set())
1504                                 break;
1505
1506                         // CHECK fix this proper in 0.13
1507                         // well, maybe 13.0 !!!!!!!!!
1508
1509                         // Following a ref shouldn't issue
1510                         // a push on the undo-stack
1511                         // anylonger, now that we have
1512                         // keybindings for following
1513                         // references and returning from
1514                         // references.  IMHO though, it
1515                         // should be the inset's own business
1516                         // to push or not push on the undo
1517                         // stack. They don't *have* to
1518                         // alter the document...
1519                         // (Joacim)
1520                         // ...or maybe the SetCursorParUndo()
1521                         // below isn't necessary at all anylonger?
1522                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1523                                 setCursorParUndo(bv);
1524
1525                         bv->owner()->message(inset_hit->editMessage());
1526
1527                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1528                         inset_hit->localDispatch(cmd1);
1529                 }
1530
1531                 break;
1532         }
1533
1534         case LFUN_SELFINSERT: {
1535                 if (cmd.argument.empty())
1536                         break;
1537
1538                 // Automatically delete the currently selected
1539                 // text and replace it with what is being
1540                 // typed in now. Depends on lyxrc settings
1541                 // "auto_region_delete", which defaults to
1542                 // true (on).
1543
1544                 if (lyxrc.auto_region_delete) {
1545                         if (selection.set()) {
1546                                 cutSelection(false, false);
1547                                 update();
1548                         }
1549                         bv->haveSelection(false);
1550                 }
1551
1552                 bv->beforeChange(this);
1553                 LyXFont const old_font(real_current_font);
1554
1555                 string::const_iterator cit = cmd.argument.begin();
1556                 string::const_iterator end = cmd.argument.end();
1557                 for (; cit != end; ++cit)
1558                         bv->owner()->getIntl().getTransManager().
1559                                 TranslateAndInsert(*cit, this);
1560
1561                 update();
1562                 selection.cursor = cursor;
1563                 moveCursorUpdate(bv, false);
1564
1565                 // real_current_font.number can change so we need to
1566                 // update the minibuffer
1567                 if (old_font != real_current_font)
1568                         bv->owner()->view_state_changed();
1569                 break;
1570         }
1571
1572         case LFUN_HTMLURL: {
1573                 InsetCommandParams p("htmlurl");
1574                 string const data = InsetCommandMailer::params2string("url", p);
1575                 bv->owner()->getDialogs().show("url", data, 0);
1576                 break;
1577         }
1578
1579         case LFUN_URL: {
1580                 InsetCommandParams p("url");
1581                 string const data = InsetCommandMailer::params2string("url", p);
1582                 bv->owner()->getDialogs().show("url", data, 0);
1583                 break;
1584         }
1585
1586
1587 #if 0
1588         case LFUN_INSET_LIST:
1589         case LFUN_INSET_THEOREM:
1590         case LFUN_INSET_CAPTION:
1591 #endif
1592         case LFUN_INSERT_NOTE:
1593         case LFUN_INSERT_BIBITEM:
1594         case LFUN_INSET_ERT:
1595         case LFUN_INSET_FLOAT:
1596         case LFUN_INSET_FOOTNOTE:
1597         case LFUN_INSET_MARGINAL:
1598         case LFUN_INSET_MINIPAGE:
1599         case LFUN_INSET_OPTARG:
1600         case LFUN_INSET_WIDE_FLOAT:
1601         case LFUN_INSET_WRAP:
1602         case LFUN_TABULAR_INSERT:
1603         case LFUN_ENVIRONMENT_INSERT:
1604                 // Open the inset, and move the current selection
1605                 // inside it.
1606                 doInsertInset(this, cmd, true, true);
1607                 break;
1608
1609         case LFUN_INDEX_INSERT:
1610                 // Just open the inset
1611                 doInsertInset(this, cmd, true, false);
1612                 break;
1613
1614         case LFUN_INDEX_PRINT:
1615         case LFUN_PARENTINSERT:
1616         case LFUN_TOC_INSERT:
1617         case LFUN_HFILL:
1618                 // do nothing fancy
1619                 doInsertInset(this, cmd, false, false);
1620                 break;
1621
1622         default:
1623                 return UNDISPATCHED;
1624         }
1625
1626         return DISPATCHED;
1627 }