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(boost::next(res.par()));
 180                         res.pos(0);
 181                 }
 182
 183         } while (res.par() != ownerParagraphs().end()&&
 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() != ownerParagraphs().end()) {
 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                 ParagraphList::iterator pit = cursor.par();
 411                 bool start = !pit->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, &*pit, &*boost::next(pit));
 428                 pit->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_WORDRIGHT:
 464                 if (!selection.mark())
 465                         bv->beforeChange(this);
 466                 update();
 467                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 468                         cursorLeftOneWord();
 469                 else
 470                         cursorRightOneWord();
 471                 finishChange(bv);
 472                 break;
 473
 474         case LFUN_WORDLEFT:
 475                 if (!selection.mark())
 476                         bv->beforeChange(this);
 477                 update();
 478                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 479                         cursorRightOneWord();
 480                 else
 481                         cursorLeftOneWord();
 482                 finishChange(bv);
 483                 break;
 484
 485         case LFUN_BEGINNINGBUF:
 486                 if (!selection.mark())
 487                         bv->beforeChange(this);
 488                 update();
 489                 cursorTop();
 490                 finishChange(bv);
 491                 break;
 492
 493         case LFUN_ENDBUF:
 494                 if (selection.mark())
 495                         bv->beforeChange(this);
 496                 update();
 497                 cursorBottom();
 498                 finishChange(bv);
 499                 break;
 500
 501         case LFUN_RIGHTSEL:
 502                 update();
 503                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 504                         cursorLeft(bv);
 505                 else
 506                         cursorRight(bv);
 507                 finishChange(bv, true);
 508                 break;
 509
 510         case LFUN_LEFTSEL:
 511                 update();
 512                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 513                         cursorRight(bv);
 514                 else
 515                         cursorLeft(bv);
 516                 finishChange(bv, true);
 517                 break;
 518
 519         case LFUN_UPSEL:
 520                 update();
 521                 cursorUp(true);
 522                 finishChange(bv, true);
 523                 break;
 524
 525         case LFUN_DOWNSEL:
 526                 update();
 527                 cursorDown(true);
 528                 finishChange(bv, true);
 529                 break;
 530
 531         case LFUN_UP_PARAGRAPHSEL:
 532                 update();
 533                 cursorUpParagraph();
 534                 finishChange(bv, true);
 535                 break;
 536
 537         case LFUN_DOWN_PARAGRAPHSEL:
 538                 update();
 539                 cursorDownParagraph();
 540                 finishChange(bv, true);
 541                 break;
 542
 543         case LFUN_PRIORSEL:
 544                 update();
 545                 cursorPrevious();
 546                 finishChange(bv, true);
 547                 break;
 548
 549         case LFUN_NEXTSEL:
 550                 update();
 551                 cursorNext();
 552                 finishChange(bv, true);
 553                 break;
 554
 555         case LFUN_HOMESEL:
 556                 update();
 557                 cursorHome();
 558                 finishChange(bv, true);
 559                 break;
 560
 561         case LFUN_ENDSEL:
 562                 update();
 563                 cursorEnd();
 564                 finishChange(bv, true);
 565                 break;
 566
 567         case LFUN_WORDRIGHTSEL:
 568                 update();
 569                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 570                         cursorLeftOneWord();
 571                 else
 572                         cursorRightOneWord();
 573                 finishChange(bv, true);
 574                 break;
 575
 576         case LFUN_WORDLEFTSEL:
 577                 update();
 578                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 579                         cursorRightOneWord();
 580                 else
 581                         cursorLeftOneWord();
 582                 finishChange(bv, true);
 583                 break;
 584
 585         case LFUN_WORDSEL: {
 586                 update();
 587                 LyXCursor cur1;
 588                 LyXCursor cur2;
 589                 getWord(cur1, cur2, WHOLE_WORD);
 590                 setCursor(cur1.par(), cur1.pos());
 591                 bv->beforeChange(this);
 592                 setCursor(cur2.par(), cur2.pos());
 593                 finishChange(bv, true);
 594                 break;
 595         }
 596
 597         case LFUN_RIGHT: {
 598                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 599                 if (!selection.mark())
 600                         bv->beforeChange(this);
 601                 update();
 602                 if (is_rtl)
 603                         cursorLeft(false);
 604                 if (cursor.pos() < cursor.par()->size()
 605                     && cursor.par()->isInset(cursor.pos())
 606                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 607                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 608                         cmd.message(tmpinset->editMessage());
 609                         tmpinset->edit(bv, !is_rtl);
 610                         break;
 611                 }
 612                 if (!is_rtl)
 613                         cursorRight(false);
 614                 finishChange(bv);
 615                 break;
 616         }
 617
 618         case LFUN_LEFT: {
 619                 // This is soooo ugly. Isn`t it possible to make
 620                 // it simpler? (Lgb)
 621                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 622                 if (!selection.mark())
 623                         bv->beforeChange(this);
 624                 update();
 625                 LyXCursor const cur = cursor;
 626                 if (!is_rtl)
 627                         cursorLeft(false);
 628                 if ((is_rtl || cur != cursor) && // only if really moved!
 629                     cursor.pos() < cursor.par()->size() &&
 630                     cursor.par()->isInset(cursor.pos()) &&
 631                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 632                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 633                         cmd.message(tmpinset->editMessage());
 634                         tmpinset->edit(bv, is_rtl);
 635                         break;
 636                 }
 637                 if (is_rtl)
 638                         cursorRight(false);
 639                 finishChange(bv);
 640                 break;
 641         }
 642
 643         case LFUN_UP:
 644                 if (!selection.mark())
 645                         bv->beforeChange(this);
 646                 bv->update(this, BufferView::UPDATE);
 647                 cursorUp(bv);
 648                 finishChange(bv);
 649                 break;
 650
 651         case LFUN_DOWN:
 652                 if (!selection.mark())
 653                         bv->beforeChange(this);
 654                 bv->update(this, BufferView::UPDATE);
 655                 cursorDown(bv);
 656                 finishChange(bv);
 657                 break;
 658
 659         case LFUN_UP_PARAGRAPH:
 660                 if (!selection.mark())
 661                         bv->beforeChange(this);
 662                 bv->update(this, BufferView::UPDATE);
 663                 cursorUpParagraph();
 664                 finishChange(bv);
 665                 break;
 666
 667         case LFUN_DOWN_PARAGRAPH:
 668                 if (!selection.mark())
 669                         bv->beforeChange(this);
 670                 bv->update(this, BufferView::UPDATE);
 671                 cursorDownParagraph();
 672                 finishChange(bv, false);
 673                 break;
 674
 675         case LFUN_PRIOR:
 676                 if (!selection.mark())
 677                         bv->beforeChange(this);
 678                 bv->update(this, BufferView::UPDATE);
 679                 cursorPrevious();
 680                 finishChange(bv, false);
 681                 // was:
 682                 // finishUndo();
 683                 // moveCursorUpdate(bv, false, false);
 684                 // owner_->view_state_changed();
 685                 break;
 686
 687         case LFUN_NEXT:
 688                 if (!selection.mark())
 689                         bv->beforeChange(this);
 690                 bv->update(this, BufferView::UPDATE);
 691                 cursorNext();
 692                 finishChange(bv, false);
 693                 break;
 694
 695         case LFUN_HOME:
 696                 if (!selection.mark())
 697                         bv->beforeChange(this);
 698                 update();
 699                 cursorHome();
 700                 finishChange(bv, false);
 701                 break;
 702
 703         case LFUN_END:
 704                 if (!selection.mark())
 705                         bv->beforeChange(this);
 706                 update();
 707                 cursorEnd();
 708                 finishChange(bv, false);
 709                 break;
 710
 711         case LFUN_BREAKLINE: {
 712                 lyx::pos_type body = cursor.par()->beginningOfBody();
 713
 714                 // Not allowed by LaTeX (labels or empty par)
 715                 if (cursor.pos() <= body)
 716                         break;
 717
 718                 bv->beforeChange(this);
 719                 insertInset(new InsetNewline);
 720                 update();
 721                 setCursor(cursor.par(), cursor.pos());
 722                 moveCursorUpdate(bv, false);
 723                 break;
 724         }
 725
 726         case LFUN_DELETE:
 727                 if (!selection.set()) {
 728                         Delete();
 729                         selection.cursor = cursor;
 730                         update();
 731                         // It is possible to make it a lot faster still
 732                         // just comment out the line below...
 733                         bv->showCursor();
 734                 } else {
 735                         update();
 736                         cutSelection(bv, true);
 737                         update();
 738                 }
 739                 moveCursorUpdate(bv, false);
 740                 bv->owner()->view_state_changed();
 741                 bv->switchKeyMap();
 742                 break;
 743
 744         case LFUN_DELETE_SKIP:
 745                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 746                 if (!selection.set()) {
 747                         LyXCursor cur = cursor;
 748                         if (cur.pos() == cur.par()->size()) {
 749                                 cursorRight(bv);
 750                                 cur = cursor;
 751                                 if (cur.pos() == 0
 752                                     && !(cur.par()->params().spaceTop()
 753                                          == VSpace (VSpace::NONE))) {
 754                                         setParagraph(
 755                                                  cur.par()->params().lineTop(),
 756                                                  cur.par()->params().lineBottom(),
 757                                                  cur.par()->params().pagebreakTop(),
 758                                                  cur.par()->params().pagebreakBottom(),
 759                                                  VSpace(VSpace::NONE),
 760                                                  cur.par()->params().spaceBottom(),
 761                                                  cur.par()->params().spacing(),
 762                                                  cur.par()->params().align(),
 763                                                  cur.par()->params().labelWidthString(), 0);
 764                                         cursorLeft(bv);
 765                                         update();
 766                                 } else {
 767                                         cursorLeft(bv);
 768                                         Delete();
 769                                         selection.cursor = cursor;
 770                                 }
 771                         } else {
 772                                 Delete();
 773                                 selection.cursor = cursor;
 774                         }
 775                 } else {
 776                         update();
 777                         cutSelection(bv, true);
 778                 }
 779                 update();
 780                 break;
 781
 782
 783         case LFUN_BACKSPACE:
 784                 if (!selection.set()) {
 785                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 786                                 backspace();
 787                                 selection.cursor = cursor;
 788                                 update();
 789                                 // It is possible to make it a lot faster still
 790                                 // just comment out the line below...
 791                                 bv->showCursor();
 792                         }
 793                 } else {
 794                         update();
 795                         cutSelection(bv, true);
 796                         update();
 797                 }
 798                 bv->owner()->view_state_changed();
 799                 bv->switchKeyMap();
 800                 break;
 801
 802         case LFUN_BACKSPACE_SKIP:
 803                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 804                 if (!selection.set()) {
 805                         LyXCursor cur = cursor;
 806                         if (cur.pos() == 0
 807                             && !(cur.par()->params().spaceTop()
 808                                  == VSpace (VSpace::NONE))) {
 809                                 setParagraph(
 810                                          cur.par()->params().lineTop(),
 811                                          cur.par()->params().lineBottom(),
 812                                          cur.par()->params().pagebreakTop(),
 813                                          cur.par()->params().pagebreakBottom(),
 814                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 815                                          cur.par()->params().spacing(),
 816                                          cur.par()->params().align(),
 817                                          cur.par()->params().labelWidthString(), 0);
 818                         } else {
 819                                 backspace();
 820                                 selection.cursor = cur;
 821                         }
 822                 } else {
 823                         update();
 824                         cutSelection(bv, true);
 825                 }
 826                 update();
 827                 break;
 828
 829         case LFUN_BREAKPARAGRAPH:
 830                 bv->beforeChange(this);
 831                 breakParagraph(bv->buffer()->paragraphs, 0);
 832                 update();
 833                 selection.cursor = cursor;
 834                 bv->switchKeyMap();
 835                 bv->owner()->view_state_changed();
 836                 break;
 837
 838         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 839                 bv->beforeChange(this);
 840                 breakParagraph(bv->buffer()->paragraphs, 1);
 841                 update();
 842                 selection.cursor = cursor;
 843                 bv->switchKeyMap();
 844                 bv->owner()->view_state_changed();
 845                 break;
 846
 847         case LFUN_BREAKPARAGRAPH_SKIP: {
 848                 // When at the beginning of a paragraph, remove
 849                 // indentation and add a "defskip" at the top.
 850                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 851                 LyXCursor cur = cursor;
 852                 bv->beforeChange(this);
 853                 if (cur.pos() == 0) {
 854                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 855                                 setParagraph(
 856                                          cur.par()->params().lineTop(),
 857                                          cur.par()->params().lineBottom(),
 858                                          cur.par()->params().pagebreakTop(),
 859                                          cur.par()->params().pagebreakBottom(),
 860                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 861                                          cur.par()->params().spacing(),
 862                                          cur.par()->params().align(),
 863                                          cur.par()->params().labelWidthString(), 1);
 864                         }
 865                 }
 866                 else {
 867                         breakParagraph(bv->buffer()->paragraphs, 0);
 868                 }
 869                 update();
 870                 selection.cursor = cur;
 871                 bv->switchKeyMap();
 872                 bv->owner()->view_state_changed();
 873                 break;
 874         }
 875
 876         case LFUN_PARAGRAPH_SPACING: {
 877                 ParagraphList::iterator pit = cursor.par();
 878                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
 879                 float cur_value = 1.0;
 880                 if (cur_spacing == Spacing::Other)
 881                         cur_value = pit->params().spacing().getValue();
 882
 883                 istringstream is(cmd.argument.c_str());
 884                 string tmp;
 885                 is >> tmp;
 886                 Spacing::Space new_spacing = cur_spacing;
 887                 float new_value = cur_value;
 888                 if (tmp.empty()) {
 889                         lyxerr << "Missing argument to `paragraph-spacing'"
 890                                << endl;
 891                 } else if (tmp == "single") {
 892                         new_spacing = Spacing::Single;
 893                 } else if (tmp == "onehalf") {
 894                         new_spacing = Spacing::Onehalf;
 895                 } else if (tmp == "double") {
 896                         new_spacing = Spacing::Double;
 897                 } else if (tmp == "other") {
 898                         new_spacing = Spacing::Other;
 899                         float tmpval = 0.0;
 900                         is >> tmpval;
 901                         lyxerr << "new_value = " << tmpval << endl;
 902                         if (tmpval != 0.0)
 903                                 new_value = tmpval;
 904                 } else if (tmp == "default") {
 905                         new_spacing = Spacing::Default;
 906                 } else {
 907                         lyxerr << _("Unknown spacing argument: ")
 908                                << cmd.argument << endl;
 909                 }
 910                 if (cur_spacing != new_spacing || cur_value != new_value) {
 911                         pit->params().spacing(Spacing(new_spacing, new_value));
 912                         redoParagraph();
 913                         update();
 914                 }
 915                 break;
 916         }
 917
 918         case LFUN_INSET_TOGGLE:
 919                 bv->hideCursor();
 920                 bv->beforeChange(this);
 921                 update();
 922                 toggleInset();
 923                 update();
 924                 bv->switchKeyMap();
 925                 break;
 926
 927         case LFUN_PROTECTEDSPACE:
 928                 if (cursor.par()->layout()->free_spacing) {
 929                         insertChar(' ');
 930                         update();
 931                 } else {
 932                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 933                 }
 934                 moveCursorUpdate(bv, false);
 935                 break;
 936
 937         case LFUN_HYPHENATION:
 938                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 939                 break;
 940
 941         case LFUN_LIGATURE_BREAK:
 942                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 943                 break;
 944
 945         case LFUN_LDOTS:
 946                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 947                 break;
 948
 949         case LFUN_END_OF_SENTENCE:
 950                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 951                 break;
 952
 953         case LFUN_MENU_SEPARATOR:
 954                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 955                 break;
 956
 957         case LFUN_MARK_OFF:
 958                 bv->beforeChange(this);
 959                 update();
 960                 selection.cursor = cursor;
 961                 cmd.message(N_("Mark off"));
 962                 break;
 963
 964         case LFUN_MARK_ON:
 965                 bv->beforeChange(this);
 966                 selection.mark(true);
 967                 update();
 968                 selection.cursor = cursor;
 969                 cmd.message(N_("Mark on"));
 970                 break;
 971
 972         case LFUN_SETMARK:
 973                 bv->beforeChange(this);
 974                 if (selection.mark()) {
 975                         update();
 976                         cmd.message(N_("Mark removed"));
 977                 } else {
 978                         selection.mark(true);
 979                         update();
 980                         cmd.message(N_("Mark set"));
 981                 }
 982                 selection.cursor = cursor;
 983                 break;
 984
 985         case LFUN_UPCASE_WORD:
 986                 update();
 987                 changeCase(LyXText::text_uppercase);
 988                 if (inset_owner)
 989                         bv->updateInset(inset_owner);
 990                 update();
 991                 break;
 992
 993         case LFUN_LOWCASE_WORD:
 994                 update();
 995                 changeCase(LyXText::text_lowercase);
 996                 if (inset_owner)
 997                         bv->updateInset(inset_owner);
 998                 update();
 999                 break;
1000
1001         case LFUN_CAPITALIZE_WORD:
1002                 update();
1003                 changeCase(LyXText::text_capitalization);
1004                 if (inset_owner)
1005                         bv->updateInset(inset_owner);
1006                 update();
1007                 break;
1008
1009         case LFUN_TRANSPOSE_CHARS:
1010                 update();
1011                 transposeChars(*this, cursor);
1012                 if (inset_owner)
1013                         bv->updateInset(inset_owner);
1014                 update();
1015                 break;
1016
1017         case LFUN_PASTE:
1018                 cmd.message(_("Paste"));
1019                 bv->hideCursor();
1020                 // clear the selection
1021                 bv->toggleSelection();
1022                 clearSelection();
1023                 update();
1024                 pasteSelection();
1025                 clearSelection(); // bug 393
1026                 update();
1027                 bv->switchKeyMap();
1028                 break;
1029
1030         case LFUN_CUT:
1031                 bv->hideCursor();
1032                 update();
1033                 cutSelection(bv, true);
1034                 update();
1035                 cmd.message(_("Cut"));
1036                 break;
1037
1038         case LFUN_COPY:
1039                 copySelection();
1040                 cmd.message(_("Copy"));
1041                 break;
1042
1043         case LFUN_BEGINNINGBUFSEL:
1044                 if (inset_owner)
1045                         return UNDISPATCHED;
1046                 update();
1047                 cursorTop();
1048                 finishChange(bv, true);
1049                 break;
1050
1051         case LFUN_ENDBUFSEL:
1052                 if (inset_owner)
1053                         return UNDISPATCHED;
1054                 update();
1055                 cursorBottom();
1056                 finishChange(bv, true);
1057                 break;
1058
1059         case LFUN_GETXY:
1060                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1061                 break;
1062
1063         case LFUN_SETXY: {
1064                 int x = 0;
1065                 int y = 0;
1066                 istringstream is(cmd.argument.c_str());
1067                 is >> x >> y;
1068                 if (!is)
1069                         lyxerr << "SETXY: Could not parse coordinates in '"
1070                                << cmd.argument << std::endl;
1071                 else
1072                         setCursorFromCoordinates(x, y);
1073                 break;
1074         }
1075
1076         case LFUN_GETFONT:
1077                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1078                         cmd.message("E");
1079                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1080                         cmd.message("N");
1081                 else
1082                         cmd.message("0");
1083                 break;
1084
1085         case LFUN_GETLAYOUT:
1086                 cmd.message(tostr(cursor.par()->layout()));
1087                 break;
1088
1089         case LFUN_LAYOUT: {
1090                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1091                   << cmd.argument << endl;
1092
1093                 // This is not the good solution to the empty argument
1094                 // problem, but it will hopefully suffice for 1.2.0.
1095                 // The correct solution would be to augument the
1096                 // function list/array with information about what
1097                 // functions needs arguments and their type.
1098                 if (cmd.argument.empty()) {
1099                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1100                         break;
1101                 }
1102
1103                 // Derive layout number from given argument (string)
1104                 // and current buffer's textclass (number)
1105                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1106                 bool hasLayout = tclass.hasLayout(cmd.argument);
1107                 string layout = cmd.argument;
1108
1109                 // If the entry is obsolete, use the new one instead.
1110                 if (hasLayout) {
1111                         string const & obs = tclass[layout]->obsoleted_by();
1112                         if (!obs.empty())
1113                                 layout = obs;
1114                 }
1115
1116                 if (!hasLayout) {
1117                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1118                                 N_(" not known"));
1119                         break;
1120                 }
1121
1122                 bool change_layout = (current_layout != layout);
1123                 if (!change_layout && selection.set() &&
1124                         selection.start.par() != selection.end.par())
1125                 {
1126                         ParagraphList::iterator spit = selection.start.par();
1127                         ParagraphList::iterator epit = boost::next(selection.end.par());
1128                         while (spit != epit) {
1129                                 if (spit->layout()->name() != current_layout) {
1130                                         change_layout = true;
1131                                         break;
1132                                 }
1133                                 ++spit;
1134                         }
1135                 }
1136                 if (change_layout) {
1137                         bv->hideCursor();
1138                         current_layout = layout;
1139                         update();
1140                         setLayout(layout);
1141                         bv->owner()->setLayout(layout);
1142                         update();
1143                         bv->switchKeyMap();
1144                 }
1145                 break;
1146         }
1147
1148         case LFUN_PASTESELECTION: {
1149                 if (!bv->buffer())
1150                         break;
1151                 bv->hideCursor();
1152                 // this was originally a beforeChange(bv->text), i.e
1153                 // the outermost LyXText!
1154                 bv->beforeChange(this);
1155                 string const clip = bv->getClipboard();
1156                 if (!clip.empty()) {
1157                         if (cmd.argument == "paragraph")
1158                                 insertStringAsParagraphs(clip);
1159                         else
1160                                 insertStringAsLines(clip);
1161                         clearSelection();
1162                         update();
1163                 }
1164                 break;
1165         }
1166
1167         case LFUN_GOTOERROR:
1168                 gotoInset(Inset::ERROR_CODE, false);
1169                 break;
1170
1171         case LFUN_GOTONOTE:
1172                 gotoInset(Inset::NOTE_CODE, false);
1173                 break;
1174
1175         case LFUN_REFERENCE_GOTO:
1176         {
1177                 vector<Inset::Code> tmp;
1178                 tmp.push_back(Inset::LABEL_CODE);
1179                 tmp.push_back(Inset::REF_CODE);
1180                 gotoInset(tmp, true);
1181                 break;
1182         }
1183
1184         case LFUN_QUOTE: {
1185                 ParagraphList::iterator pit = cursor.par();
1186                 lyx::pos_type pos = cursor.pos();
1187                 char c;
1188                 if (!pos)
1189                         c = ' ';
1190                 else if (pit->isInset(pos - 1) && pit->getInset(pos - 1)->isSpace())
1191                         c = ' ';
1192                 else
1193                         c = pit->getChar(pos - 1);
1194
1195                 bv->hideCursor();
1196                 LyXLayout_ptr const & style = pit->layout();
1197
1198                 if (style->pass_thru ||
1199                                 pit->getFontSettings(bv->buffer()->params,
1200                                          pos).language()->lang() == "hebrew" ||
1201                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1202                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1203                 break;
1204         }
1205
1206         case LFUN_DATE_INSERT: {
1207                 time_t now_time_t = time(NULL);
1208                 struct tm * now_tm = localtime(&now_time_t);
1209                 setlocale(LC_TIME, "");
1210                 string arg;
1211                 if (!cmd.argument.empty())
1212                         arg = cmd.argument;
1213                 else
1214                         arg = lyxrc.date_insert_format;
1215                 char datetmp[32];
1216                 int const datetmp_len =
1217                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1218
1219                 for (int i = 0; i < datetmp_len; i++) {
1220                         insertChar(datetmp[i]);
1221                         update();
1222                 }
1223                 selection.cursor = cursor;
1224                 moveCursorUpdate(bv, false);
1225                 break;
1226         }
1227
1228         case LFUN_MOUSE_TRIPLE:
1229                 if (!bv->buffer())
1230                         break;
1231                 if (!isInInset() && bv->theLockingInset())
1232                         break;
1233                 if (cmd.button() == mouse_button::button1) {
1234                         if (!isInInset()) {
1235                                 bv->screen().hideCursor();
1236                                 bv->screen().toggleSelection(this, bv);
1237                         }
1238                         cursorHome();
1239                         selection.cursor = cursor;
1240                         cursorEnd();
1241                         setSelection();
1242                         if (!isInInset())
1243                                 bv->screen().toggleSelection(this, bv, false);
1244                         update();
1245                         bv->haveSelection(selection.set());
1246                 }
1247                 break;
1248
1249         case LFUN_MOUSE_DOUBLE:
1250                 if (!bv->buffer())
1251                         break;
1252                 if (!isInInset() && bv->theLockingInset())
1253                         break;
1254                 if (cmd.button() == mouse_button::button1) {
1255                         if (!isInInset()) {
1256                                 bv->screen().hideCursor();
1257                                 bv->screen().toggleSelection(this, bv);
1258                                 selectWord(LyXText::WHOLE_WORD_STRICT);
1259                                 bv->screen().toggleSelection(this, bv, false);
1260                         } else {
1261                                 selectWord(LyXText::WHOLE_WORD_STRICT);
1262                         }
1263                         update();
1264                         bv->haveSelection(selection.set());
1265                 }
1266                 break;
1267
1268         case LFUN_MOUSE_MOTION:
1269         {
1270                 // Only use motion with button 1
1271                 //if (ev.button() != mouse_button::button1)
1272                 //      return false;
1273
1274                 if (!bv->buffer())
1275                         break;
1276
1277                 // Check for inset locking
1278                 if (bv->theLockingInset()) {
1279                         Inset * tli = bv->theLockingInset();
1280                         LyXCursor cursor = bv->text->cursor;
1281                         LyXFont font = bv->text->getFont(bv->buffer(),
1282                                                          cursor.par(), cursor.pos());
1283                         int width = tli->width(bv, font);
1284                         int inset_x = font.isVisibleRightToLeft()
1285                                 ? cursor.ix() - width : cursor.ix();
1286                         int start_x = inset_x + tli->scroll();
1287                         FuncRequest cmd1 = cmd;
1288                         cmd1.x = cmd.x - start_x;
1289                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1290                         tli->localDispatch(cmd1);
1291                         break;
1292                 }
1293
1294                 // The test for not selection possible is needed, that only motion
1295                 // events are used, where the bottom press event was on
1296                 //  the drawing area too
1297                 if (!selection_possible) {
1298                         lyxerr[Debug::ACTION]
1299                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1300                         break;
1301                 }
1302
1303                 bv->screen().hideCursor();
1304
1305                 RowList::iterator cursorrow = bv->text->cursor.row();
1306                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->text->top_y());
1307         #if 0
1308                 // sorry for this but I have a strange error that the y value jumps at
1309                 // a certain point. This seems like an error in my xforms library or
1310                 // in some other local environment, but I would like to leave this here
1311                 // for the moment until I can remove this (Jug 20020418)
1312                 if (y_before < bv->text->cursor.y())
1313                         lyxerr << y_before << ':'
1314                                << bv->text->cursor.y() << endl;
1315         #endif
1316                 // This is to allow jumping over large insets
1317                 if (cursorrow == bv->text->cursor.row()) {
1318                         if (cmd.y >= bv->workHeight())
1319                                 bv->text->cursorDown(false);
1320                         else if (cmd.y < 0)
1321                                 bv->text->cursorUp(false);
1322                 }
1323
1324                 // Maybe an empty line was deleted
1325                 if (!bv->text->selection.set())
1326                         bv->update(BufferView::UPDATE);
1327                 bv->text->setSelection();
1328                 bv->screen().toggleToggle(bv->text, bv);
1329                 bv->fitCursor();
1330                 bv->showCursor();
1331                 break;
1332         }
1333
1334         // Single-click on work area
1335         case LFUN_MOUSE_PRESS:
1336         {
1337                 if (!bv->buffer())
1338                         break;
1339
1340                 // ok ok, this is a hack (for xforms)
1341                 // We shouldn't go further down as we really should only do the
1342                 // scrolling and be done with this. Otherwise we may open some
1343                 // dialogs (Jug 20020424).
1344                 if (cmd.button() == mouse_button::button4) {
1345                         bv->scroll(-lyxrc.wheel_jump);
1346                         break;
1347                 }
1348                 if (cmd.button() == mouse_button::button5) {
1349                         bv->scroll(lyxrc.wheel_jump);
1350                         break;
1351                 }
1352
1353                 int x = cmd.x;
1354                 int y = cmd.y;
1355                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1356
1357                 // Middle button press pastes if we have a selection
1358                 // We do this here as if the selection was inside an inset
1359                 // it could get cleared on the unlocking of the inset so
1360                 // we have to check this first
1361                 bool paste_internally = false;
1362                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1363                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1364                         paste_internally = true;
1365                 }
1366
1367                 int const screen_first = bv->text->top_y();
1368
1369                 if (bv->theLockingInset()) {
1370                         // We are in inset locking mode
1371
1372                         // Check whether the inset was hit. If not reset mode,
1373                         // otherwise give the event to the inset
1374                         if (inset_hit == bv->theLockingInset()) {
1375                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1376                                 bv->theLockingInset()->localDispatch(cmd1);
1377                                 break;
1378                         }
1379                         bv->unlockInset(bv->theLockingInset());
1380                 }
1381
1382                 if (!inset_hit)
1383                         selection_possible = true;
1384                 bv->screen().hideCursor();
1385
1386                 // Clear the selection
1387                 bv->screen().toggleSelection(bv->text, bv);
1388                 bv->text->clearSelection();
1389                 bv->text->fullRebreak();
1390                 bv->update();
1391                 bv->updateScrollbar();
1392
1393                 // Single left click in math inset?
1394                 if (isHighlyEditableInset(inset_hit)) {
1395                         // Highly editable inset, like math
1396                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1397                         selection_possible = false;
1398                         bv->owner()->message(inset->editMessage());
1399                         //inset->edit(bv, x, y, cmd.button());
1400                         // We just have to lock the inset before calling a PressEvent on it!
1401                         // we don't need the edit() call here! (Jug20020329)
1402                         if (!bv->lockInset(inset))
1403                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1404                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1405                         inset->localDispatch(cmd1);
1406                         break;
1407                 }
1408                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1409
1410                 // Right click on a footnote flag opens float menu
1411                 if (cmd.button() == mouse_button::button3) {
1412                         selection_possible = false;
1413                         break;
1414                 }
1415
1416                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1417                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1418                 finishUndo();
1419                 bv->text->selection.cursor = bv->text->cursor;
1420                 bv->text->cursor.x_fix(bv->text->cursor.x());
1421
1422                 if (bv->fitCursor())
1423                         selection_possible = false;
1424
1425                 // Insert primary selection with middle mouse
1426                 // if there is a local selection in the current buffer,
1427                 // insert this
1428                 if (cmd.button() == mouse_button::button2) {
1429                         if (paste_internally)
1430                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1431                         else
1432                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1433                         selection_possible = false;
1434                 }
1435                 break;
1436         }
1437
1438         case LFUN_MOUSE_RELEASE:
1439         {
1440                 // do nothing if we used the mouse wheel
1441                 if (!bv->buffer())
1442                         break;
1443
1444                 if (cmd.button() == mouse_button::button4
1445                  || cmd.button() == mouse_button::button5)
1446                         break;
1447
1448                 // If we hit an inset, we have the inset coordinates in these
1449                 // and inset_hit points to the inset.  If we do not hit an
1450                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1451                 int x = cmd.x;
1452                 int y = cmd.y;
1453                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1454
1455                 if (bv->theLockingInset()) {
1456                         // We are in inset locking mode.
1457
1458                         // LyX does a kind of work-area grabbing for insets.
1459                         // Only a ButtonPress FuncRequest outside the inset will
1460                         // force a insetUnlock.
1461                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1462                         bv->theLockingInset()->localDispatch(cmd1);
1463                         break;
1464                 }
1465
1466                 selection_possible = false;
1467
1468                 if (cmd.button() == mouse_button::button2)
1469                         break;
1470
1471                 // finish selection
1472                 if (cmd.button() == mouse_button::button1)
1473                         bv->haveSelection(selection.set());
1474
1475                 bv->switchKeyMap();
1476                 bv->owner()->view_state_changed();
1477                 bv->owner()->updateMenubar();
1478                 bv->owner()->updateToolbar();
1479
1480                 // Did we hit an editable inset?
1481                 if (inset_hit) {
1482                         selection_possible = false;
1483
1484                         // if we reach this point with a selection, it
1485                         // must mean we are currently selecting.
1486                         // But we don't want to open the inset
1487                         // because that is annoying for the user.
1488                         // So just pretend we didn't hit it.
1489                         // this is OK because a "kosher" ButtonRelease
1490                         // will follow a ButtonPress that clears
1491                         // the selection.
1492                         // Note this also fixes selection drawing
1493                         // problems if we end up opening an inset
1494                         if (selection.set())
1495                                 break;
1496
1497                         // CHECK fix this proper in 0.13
1498                         // well, maybe 13.0 !!!!!!!!!
1499
1500                         // Following a ref shouldn't issue
1501                         // a push on the undo-stack
1502                         // anylonger, now that we have
1503                         // keybindings for following
1504                         // references and returning from
1505                         // references.  IMHO though, it
1506                         // should be the inset's own business
1507                         // to push or not push on the undo
1508                         // stack. They don't *have* to
1509                         // alter the document...
1510                         // (Joacim)
1511                         // ...or maybe the SetCursorParUndo()
1512                         // below isn't necessary at all anylonger?
1513                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1514                                 setCursorParUndo(bv);
1515
1516                         bv->owner()->message(inset_hit->editMessage());
1517
1518                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1519                         inset_hit->localDispatch(cmd1);
1520                 }
1521
1522                 break;
1523         }
1524
1525         case LFUN_SELFINSERT: {
1526                 if (cmd.argument.empty())
1527                         break;
1528
1529                 // Automatically delete the currently selected
1530                 // text and replace it with what is being
1531                 // typed in now. Depends on lyxrc settings
1532                 // "auto_region_delete", which defaults to
1533                 // true (on).
1534
1535                 if (lyxrc.auto_region_delete) {
1536                         if (selection.set()) {
1537                                 cutSelection(false, false);
1538                                 update();
1539                         }
1540                         bv->haveSelection(false);
1541                 }
1542
1543                 bv->beforeChange(this);
1544                 LyXFont const old_font(real_current_font);
1545
1546                 string::const_iterator cit = cmd.argument.begin();
1547                 string::const_iterator end = cmd.argument.end();
1548                 for (; cit != end; ++cit)
1549                         bv->owner()->getIntl().getTransManager().
1550                                 TranslateAndInsert(*cit, this);
1551
1552                 update();
1553                 selection.cursor = cursor;
1554                 moveCursorUpdate(bv, false);
1555
1556                 // real_current_font.number can change so we need to
1557                 // update the minibuffer
1558                 if (old_font != real_current_font)
1559                         bv->owner()->view_state_changed();
1560                 break;
1561         }
1562
1563         case LFUN_HTMLURL: {
1564                 InsetCommandParams p("htmlurl");
1565                 string const data = InsetCommandMailer::params2string("url", p);
1566                 bv->owner()->getDialogs().show("url", data, 0);
1567                 break;
1568         }
1569
1570         case LFUN_URL: {
1571                 InsetCommandParams p("url");
1572                 string const data = InsetCommandMailer::params2string("url", p);
1573                 bv->owner()->getDialogs().show("url", data, 0);
1574                 break;
1575         }
1576
1577
1578 #if 0
1579         case LFUN_INSET_LIST:
1580         case LFUN_INSET_THEOREM:
1581         case LFUN_INSET_CAPTION:
1582 #endif
1583         case LFUN_INSERT_NOTE:
1584         case LFUN_INSERT_BIBITEM:
1585         case LFUN_INSET_ERT:
1586         case LFUN_INSET_FLOAT:
1587         case LFUN_INSET_FOOTNOTE:
1588         case LFUN_INSET_MARGINAL:
1589         case LFUN_INSET_MINIPAGE:
1590         case LFUN_INSET_OPTARG:
1591         case LFUN_INSET_WIDE_FLOAT:
1592         case LFUN_INSET_WRAP:
1593         case LFUN_TABULAR_INSERT:
1594         case LFUN_ENVIRONMENT_INSERT:
1595                 // Open the inset, and move the current selection
1596                 // inside it.
1597                 doInsertInset(this, cmd, true, true);
1598                 break;
1599
1600         case LFUN_INDEX_INSERT:
1601                 // Just open the inset
1602                 doInsertInset(this, cmd, true, false);
1603                 break;
1604
1605         case LFUN_INDEX_PRINT:
1606         case LFUN_PARENTINSERT:
1607         case LFUN_TOC_INSERT:
1608         case LFUN_HFILL:
1609                 // do nothing fancy
1610                 doInsertInset(this, cmd, false, false);
1611                 break;
1612
1613         default:
1614                 return UNDISPATCHED;
1615         }
1616
1617         return DISPATCHED;
1618 }