src/text3.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2002 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "lyxtext.h"
  14 #include "lyxrow.h"
  15 #include "paragraph.h"
  16 #include "BufferView.h"
  17 #include "funcrequest.h"
  18 #include "lyxrc.h"
  19 #include "Lsstream.h"
  20 #include "debug.h"
  21 #include "bufferparams.h"
  22 #include "buffer.h"
  23 #include "ParagraphParameters.h"
  24 #include "gettext.h"
  25 #include "factory.h"
  26 #include "intl.h"
  27 #include "box.h"
  28 #include "language.h"
  29 #include "support/tostr.h"
  30 #include "frontends/LyXView.h"
  31 #include "frontends/screen.h"
  32 #include "frontends/Dialogs.h"
  33 #include "insets/insetspecialchar.h"
  34 #include "insets/insettext.h"
  35 #include "insets/insetquotes.h"
  36 #include "insets/insetcommand.h"
  37 #include "insets/insetnewline.h"
  38 #include "undo_funcs.h"
  39 #include "text_funcs.h"
  40 #include "Lsstream.h"
  41
  42 #include <ctime>
  43 #include <clocale>
  44
  45 using std::endl;
  46 using std::find;
  47 using std::vector;
  48 using lyx::pos_type;
  49
  50 extern string current_layout;
  51 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  52
  53 // the selection possible is needed, that only motion events are
  54 // used, where the bottom press event was on the drawing area too
  55 bool selection_possible = false;
  56
  57
  58 namespace {
  59
  60         void moveCursorUpdate(BufferView * bv, bool selecting)
  61         {
  62                 LyXText * lt = bv->getLyXText();
  63
  64                 if (selecting || lt->selection.mark()) {
  65                         lt->setSelection();
  66                         if (lt->isInInset())
  67                                 bv->updateInset(lt->inset_owner);
  68                         else
  69                                 bv->toggleToggle();
  70                 }
  71                 if (!lt->isInInset()) {
  72                         bv->update(lt, BufferView::SELECT);
  73                 } else if (bv->text->refreshStatus() != LyXText::REFRESH_NONE) {
  74                         bv->update(BufferView::SELECT);
  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         ParagraphList::iterator end = ownerParagraphs().end();
 174         ParagraphList::iterator pit = cursor.par();
 175         pos_type pos = cursor.pos();
 176
 177         Inset * inset;
 178         do {
 179                 if (pos + 1 < pit->size()) {
 180                         ++pos;
 181                 } else  {
 182                         ++pit;
 183                         pos = 0;
 184                 }
 185
 186         } while (pit != end &&
 187                  !(pit->isInset(pos) &&
 188                    (inset = pit->getInset(pos)) != 0 &&
 189                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 190                    (contents.empty() ||
 191                     static_cast<InsetCommand *>(pit->getInset(pos))->getContents()
 192                     == contents)));
 193
 194         if (pit != end) {
 195                 setCursor(pit, pos, false);
 196                 return true;
 197         }
 198         return false;
 199 }
 200
 201
 202 void LyXText::gotoInset(vector<Inset::Code> const & codes,
 203                         bool same_content)
 204 {
 205         bv()->beforeChange(this);
 206         update();
 207
 208         string contents;
 209         if (same_content && cursor.pos() < cursor.par()->size()
 210             && cursor.par()->isInset(cursor.pos())) {
 211                 Inset const * inset = cursor.par()->getInset(cursor.pos());
 212                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 213                     != codes.end())
 214                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 215         }
 216
 217         if (!gotoNextInset(codes, contents)) {
 218                 if (cursor.pos() || cursor.par() != ownerParagraphs().begin()) {
 219                         LyXCursor tmp = cursor;
 220                         cursor.par(ownerParagraphs().begin());
 221                         cursor.pos(0);
 222                         if (!gotoNextInset(codes, contents)) {
 223                                 cursor = tmp;
 224                                 bv()->owner()->message(_("No more insets"));
 225                         }
 226                 } else {
 227                         bv()->owner()->message(_("No more insets"));
 228                 }
 229         }
 230         update();
 231         selection.cursor = cursor;
 232 }
 233
 234
 235 void LyXText::gotoInset(Inset::Code code, bool same_content)
 236 {
 237         gotoInset(vector<Inset::Code>(1, code), same_content);
 238 }
 239
 240
 241 void LyXText::cursorPrevious()
 242 {
 243         int y = top_y();
 244
 245         if (cursor.row() == rows().begin()) {
 246                 if (y > 0) {
 247                         int new_y = bv()->text->top_y() - bv()->workHeight();
 248                         bv()->screen().draw(bv()->text, bv(), new_y < 0 ? 0 : new_y);
 249                         bv()->updateScrollbar();
 250                 }
 251                 return;
 252         }
 253
 254         RowList::iterator cursorrow = cursor.row();
 255
 256         setCursorFromCoordinates(cursor.x_fix(), y);
 257         finishUndo();
 258
 259         int new_y;
 260         if (cursorrow == bv()->text->cursor.row()) {
 261                 // we have a row which is taller than the workarea. The
 262                 // simplest solution is to move to the previous row instead.
 263                 cursorUp(true);
 264                 return;
 265                 // This is what we used to do, so we wouldn't skip right past
 266                 // tall rows, but it's not working right now.
 267 #if 0
 268                 new_y = bv->text->top_y() - bv->workHeight();
 269 #endif
 270         } else {
 271                 if (inset_owner) {
 272                         new_y = bv()->text->cursor.iy()
 273                                 + bv()->theLockingInset()->insetInInsetY() + y
 274                                 + cursor.row()->height()
 275                                 - bv()->workHeight() + 1;
 276                 } else {
 277                         new_y = cursor.y()
 278                                 - cursor.row()->baseline()
 279                                 + cursor.row()->height()
 280                                 - bv()->workHeight() + 1;
 281                 }
 282         }
 283         bv()->screen().draw(bv()->text, bv(), new_y < 0 ? 0 : new_y);
 284         if (cursor.row() != rows().begin()) {
 285                 LyXCursor cur;
 286                 setCursor(cur, boost::prior(cursor.row())->par(),
 287                           boost::prior(cursor.row())->pos(), false);
 288                 if (cur.y() > top_y()) {
 289                         cursorUp(true);
 290                 }
 291         }
 292         bv()->updateScrollbar();
 293 }
 294
 295
 296 void LyXText::cursorNext()
 297 {
 298         int topy = top_y();
 299
 300         if (boost::next(cursor.row()) == rows().end()) {
 301                 int y = cursor.y() - cursor.row()->baseline() +
 302                         cursor.row()->height();
 303                 if (y > topy + bv()->workHeight()) {
 304                         bv()->screen().draw(bv()->text, bv(), bv()->text->top_y() + bv()->workHeight());
 305                         bv()->updateScrollbar();
 306                 }
 307                 return;
 308         }
 309
 310         int y = topy + bv()->workHeight();
 311         if (inset_owner && !topy) {
 312                 y -= (bv()->text->cursor.iy()
 313                           - bv()->text->top_y()
 314                           + bv()->theLockingInset()->insetInInsetY());
 315         }
 316
 317         getRowNearY(y);
 318
 319         RowList::iterator cursorrow = cursor.row();
 320         setCursorFromCoordinates(cursor.x_fix(), y);
 321         // + bv->workHeight());
 322         finishUndo();
 323
 324         int new_y;
 325         if (cursorrow == bv()->text->cursor.row()) {
 326                 // we have a row which is taller than the workarea. The
 327                 // simplest solution is to move to the next row instead.
 328                 cursorDown(true);
 329                 return;
 330                 // This is what we used to do, so we wouldn't skip right past
 331                 // tall rows, but it's not working right now.
 332 #if 0
 333                 new_y = bv->text->top_y() + bv->workHeight();
 334 #endif
 335         } else {
 336                 if (inset_owner) {
 337                         new_y = bv()->text->cursor.iy()
 338                                 + bv()->theLockingInset()->insetInInsetY()
 339                                 + y - cursor.row()->baseline();
 340                 } else {
 341                         new_y =  cursor.y() - cursor.row()->baseline();
 342                 }
 343         }
 344         bv()->screen().draw(bv()->text, bv(), new_y);
 345         if (boost::next(cursor.row()) != rows().end()) {
 346                 LyXCursor cur;
 347                 setCursor(cur, boost::next(cursor.row())->par(),
 348                           boost::next(cursor.row())->pos(), false);
 349                 if (cur.y() < top_y() + bv()->workHeight()) {
 350                         cursorDown(true);
 351                 }
 352         }
 353         bv()->updateScrollbar();
 354 }
 355
 356
 357 void LyXText::update()
 358 {
 359         bv()->update(this, BufferView::SELECT);
 360 }
 361
 362 namespace {
 363
 364 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 365 {
 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                 } else {
 734                         update();
 735                         cutSelection(bv, true);
 736                         update();
 737                 }
 738                 moveCursorUpdate(bv, false);
 739                 bv->owner()->view_state_changed();
 740                 bv->switchKeyMap();
 741                 break;
 742
 743         case LFUN_DELETE_SKIP:
 744                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 745                 if (!selection.set()) {
 746                         LyXCursor cur = cursor;
 747                         if (cur.pos() == cur.par()->size()) {
 748                                 cursorRight(bv);
 749                                 cur = cursor;
 750                                 if (cur.pos() == 0
 751                                     && !(cur.par()->params().spaceTop()
 752                                          == VSpace (VSpace::NONE))) {
 753                                         setParagraph(
 754                                                  cur.par()->params().lineTop(),
 755                                                  cur.par()->params().lineBottom(),
 756                                                  cur.par()->params().pagebreakTop(),
 757                                                  cur.par()->params().pagebreakBottom(),
 758                                                  VSpace(VSpace::NONE),
 759                                                  cur.par()->params().spaceBottom(),
 760                                                  cur.par()->params().spacing(),
 761                                                  cur.par()->params().align(),
 762                                                  cur.par()->params().labelWidthString(), 0);
 763                                         cursorLeft(bv);
 764                                         update();
 765                                 } else {
 766                                         cursorLeft(bv);
 767                                         Delete();
 768                                         selection.cursor = cursor;
 769                                 }
 770                         } else {
 771                                 Delete();
 772                                 selection.cursor = cursor;
 773                         }
 774                 } else {
 775                         update();
 776                         cutSelection(bv, true);
 777                 }
 778                 update();
 779                 break;
 780
 781
 782         case LFUN_BACKSPACE:
 783                 if (!selection.set()) {
 784                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 785                                 backspace();
 786                                 selection.cursor = cursor;
 787                                 update();
 788                                 // It is possible to make it a lot faster still
 789                                 // just comment out the line below...
 790                         }
 791                 } else {
 792                         update();
 793                         cutSelection(bv, true);
 794                         update();
 795                 }
 796                 bv->owner()->view_state_changed();
 797                 bv->switchKeyMap();
 798                 break;
 799
 800         case LFUN_BACKSPACE_SKIP:
 801                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 802                 if (!selection.set()) {
 803                         LyXCursor cur = cursor;
 804                         if (cur.pos() == 0
 805                             && !(cur.par()->params().spaceTop()
 806                                  == VSpace (VSpace::NONE))) {
 807                                 setParagraph(
 808                                          cur.par()->params().lineTop(),
 809                                          cur.par()->params().lineBottom(),
 810                                          cur.par()->params().pagebreakTop(),
 811                                          cur.par()->params().pagebreakBottom(),
 812                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 813                                          cur.par()->params().spacing(),
 814                                          cur.par()->params().align(),
 815                                          cur.par()->params().labelWidthString(), 0);
 816                         } else {
 817                                 backspace();
 818                                 selection.cursor = cur;
 819                         }
 820                 } else {
 821                         update();
 822                         cutSelection(bv, true);
 823                 }
 824                 update();
 825                 break;
 826
 827         case LFUN_BREAKPARAGRAPH:
 828                 bv->beforeChange(this);
 829                 breakParagraph(bv->buffer()->paragraphs, 0);
 830                 update();
 831                 selection.cursor = cursor;
 832                 bv->switchKeyMap();
 833                 bv->owner()->view_state_changed();
 834                 break;
 835
 836         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 837                 bv->beforeChange(this);
 838                 breakParagraph(bv->buffer()->paragraphs, 1);
 839                 update();
 840                 selection.cursor = cursor;
 841                 bv->switchKeyMap();
 842                 bv->owner()->view_state_changed();
 843                 break;
 844
 845         case LFUN_BREAKPARAGRAPH_SKIP: {
 846                 // When at the beginning of a paragraph, remove
 847                 // indentation and add a "defskip" at the top.
 848                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 849                 LyXCursor cur = cursor;
 850                 bv->beforeChange(this);
 851                 if (cur.pos() == 0) {
 852                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 853                                 setParagraph(
 854                                          cur.par()->params().lineTop(),
 855                                          cur.par()->params().lineBottom(),
 856                                          cur.par()->params().pagebreakTop(),
 857                                          cur.par()->params().pagebreakBottom(),
 858                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 859                                          cur.par()->params().spacing(),
 860                                          cur.par()->params().align(),
 861                                          cur.par()->params().labelWidthString(), 1);
 862                         }
 863                 }
 864                 else {
 865                         breakParagraph(bv->buffer()->paragraphs, 0);
 866                 }
 867                 update();
 868                 selection.cursor = cur;
 869                 bv->switchKeyMap();
 870                 bv->owner()->view_state_changed();
 871                 break;
 872         }
 873
 874         case LFUN_PARAGRAPH_SPACING: {
 875                 ParagraphList::iterator pit = cursor.par();
 876                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
 877                 float cur_value = 1.0;
 878                 if (cur_spacing == Spacing::Other)
 879                         cur_value = pit->params().spacing().getValue();
 880
 881                 istringstream is(STRCONV(cmd.argument));
 882                 string tmp;
 883                 is >> tmp;
 884                 Spacing::Space new_spacing = cur_spacing;
 885                 float new_value = cur_value;
 886                 if (tmp.empty()) {
 887                         lyxerr << "Missing argument to `paragraph-spacing'"
 888                                << endl;
 889                 } else if (tmp == "single") {
 890                         new_spacing = Spacing::Single;
 891                 } else if (tmp == "onehalf") {
 892                         new_spacing = Spacing::Onehalf;
 893                 } else if (tmp == "double") {
 894                         new_spacing = Spacing::Double;
 895                 } else if (tmp == "other") {
 896                         new_spacing = Spacing::Other;
 897                         float tmpval = 0.0;
 898                         is >> tmpval;
 899                         lyxerr << "new_value = " << tmpval << endl;
 900                         if (tmpval != 0.0)
 901                                 new_value = tmpval;
 902                 } else if (tmp == "default") {
 903                         new_spacing = Spacing::Default;
 904                 } else {
 905                         lyxerr << _("Unknown spacing argument: ")
 906                                << cmd.argument << endl;
 907                 }
 908                 if (cur_spacing != new_spacing || cur_value != new_value) {
 909                         pit->params().spacing(Spacing(new_spacing, new_value));
 910                         redoParagraph();
 911                         update();
 912                 }
 913                 break;
 914         }
 915
 916         case LFUN_INSET_SETTINGS:
 917                 lyx::Assert(bv->theLockingInset());
 918                 bv->theLockingInset()->getLockingInset()->showInsetDialog(bv);
 919                 break;
 920
 921         case LFUN_INSET_TOGGLE:
 922                 bv->beforeChange(this);
 923                 update();
 924                 toggleInset();
 925                 update();
 926                 bv->switchKeyMap();
 927                 break;
 928
 929         case LFUN_PROTECTEDSPACE:
 930                 if (cursor.par()->layout()->free_spacing) {
 931                         insertChar(' ');
 932                         update();
 933                 } else {
 934                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 935                 }
 936                 moveCursorUpdate(bv, false);
 937                 break;
 938
 939         case LFUN_HYPHENATION:
 940                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 941                 break;
 942
 943         case LFUN_LIGATURE_BREAK:
 944                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 945                 break;
 946
 947         case LFUN_LDOTS:
 948                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 949                 break;
 950
 951         case LFUN_END_OF_SENTENCE:
 952                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 953                 break;
 954
 955         case LFUN_MENU_SEPARATOR:
 956                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 957                 break;
 958
 959         case LFUN_MARK_OFF:
 960                 bv->beforeChange(this);
 961                 update();
 962                 selection.cursor = cursor;
 963                 cmd.message(N_("Mark off"));
 964                 break;
 965
 966         case LFUN_MARK_ON:
 967                 bv->beforeChange(this);
 968                 selection.mark(true);
 969                 update();
 970                 selection.cursor = cursor;
 971                 cmd.message(N_("Mark on"));
 972                 break;
 973
 974         case LFUN_SETMARK:
 975                 bv->beforeChange(this);
 976                 if (selection.mark()) {
 977                         update();
 978                         cmd.message(N_("Mark removed"));
 979                 } else {
 980                         selection.mark(true);
 981                         update();
 982                         cmd.message(N_("Mark set"));
 983                 }
 984                 selection.cursor = cursor;
 985                 break;
 986
 987         case LFUN_UPCASE_WORD:
 988                 update();
 989                 changeCase(LyXText::text_uppercase);
 990                 if (inset_owner)
 991                         bv->updateInset(inset_owner);
 992                 update();
 993                 break;
 994
 995         case LFUN_LOWCASE_WORD:
 996                 update();
 997                 changeCase(LyXText::text_lowercase);
 998                 if (inset_owner)
 999                         bv->updateInset(inset_owner);
1000                 update();
1001                 break;
1002
1003         case LFUN_CAPITALIZE_WORD:
1004                 update();
1005                 changeCase(LyXText::text_capitalization);
1006                 if (inset_owner)
1007                         bv->updateInset(inset_owner);
1008                 update();
1009                 break;
1010
1011         case LFUN_TRANSPOSE_CHARS:
1012                 update();
1013                 transposeChars(*this, cursor);
1014                 if (inset_owner)
1015                         bv->updateInset(inset_owner);
1016                 update();
1017                 break;
1018
1019         case LFUN_PASTE:
1020                 cmd.message(_("Paste"));
1021                 // clear the selection
1022                 bv->toggleSelection();
1023                 clearSelection();
1024                 update();
1025                 pasteSelection();
1026                 clearSelection(); // bug 393
1027                 update();
1028                 bv->switchKeyMap();
1029                 break;
1030
1031         case LFUN_CUT:
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(STRCONV(cmd.argument));
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                         current_layout = layout;
1138                         update();
1139                         setLayout(layout);
1140                         bv->owner()->setLayout(layout);
1141                         update();
1142                         bv->switchKeyMap();
1143                 }
1144                 break;
1145         }
1146
1147         case LFUN_PASTESELECTION: {
1148                 if (!bv->buffer())
1149                         break;
1150                 // this was originally a beforeChange(bv->text), i.e
1151                 // the outermost LyXText!
1152                 bv->beforeChange(this);
1153                 string const clip = bv->getClipboard();
1154                 if (!clip.empty()) {
1155                         if (cmd.argument == "paragraph")
1156                                 insertStringAsParagraphs(clip);
1157                         else
1158                                 insertStringAsLines(clip);
1159                         clearSelection();
1160                         update();
1161                 }
1162                 break;
1163         }
1164
1165         case LFUN_GOTOERROR:
1166                 gotoInset(Inset::ERROR_CODE, false);
1167                 break;
1168
1169         case LFUN_GOTONOTE:
1170                 gotoInset(Inset::NOTE_CODE, false);
1171                 break;
1172
1173         case LFUN_REFERENCE_GOTO:
1174         {
1175                 vector<Inset::Code> tmp;
1176                 tmp.push_back(Inset::LABEL_CODE);
1177                 tmp.push_back(Inset::REF_CODE);
1178                 gotoInset(tmp, true);
1179                 break;
1180         }
1181
1182         case LFUN_QUOTE: {
1183                 ParagraphList::iterator pit = cursor.par();
1184                 lyx::pos_type pos = cursor.pos();
1185                 char c;
1186                 if (!pos)
1187                         c = ' ';
1188                 else if (pit->isInset(pos - 1) && pit->getInset(pos - 1)->isSpace())
1189                         c = ' ';
1190                 else
1191                         c = pit->getChar(pos - 1);
1192
1193                 LyXLayout_ptr const & style = pit->layout();
1194
1195                 if (style->pass_thru ||
1196                                 pit->getFontSettings(bv->buffer()->params,
1197                                          pos).language()->lang() == "hebrew" ||
1198                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1199                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1200                 break;
1201         }
1202
1203         case LFUN_DATE_INSERT: {
1204                 time_t now_time_t = time(NULL);
1205                 struct tm * now_tm = localtime(&now_time_t);
1206                 setlocale(LC_TIME, "");
1207                 string arg;
1208                 if (!cmd.argument.empty())
1209                         arg = cmd.argument;
1210                 else
1211                         arg = lyxrc.date_insert_format;
1212                 char datetmp[32];
1213                 int const datetmp_len =
1214                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1215
1216                 for (int i = 0; i < datetmp_len; i++) {
1217                         insertChar(datetmp[i]);
1218                         update();
1219                 }
1220                 selection.cursor = cursor;
1221                 moveCursorUpdate(bv, false);
1222                 break;
1223         }
1224
1225         case LFUN_MOUSE_TRIPLE:
1226                 if (!bv->buffer())
1227                         break;
1228                 if (!isInInset() && bv->theLockingInset())
1229                         break;
1230                 if (cmd.button() == mouse_button::button1) {
1231                         if (!isInInset()) {
1232                                 bv->screen().toggleSelection(this, bv);
1233                         }
1234                         cursorHome();
1235                         selection.cursor = cursor;
1236                         cursorEnd();
1237                         setSelection();
1238                         if (!isInInset())
1239                                 bv->screen().toggleSelection(this, bv, false);
1240                         update();
1241                         bv->haveSelection(selection.set());
1242                 }
1243                 break;
1244
1245         case LFUN_MOUSE_DOUBLE:
1246                 if (!bv->buffer())
1247                         break;
1248                 if (!isInInset() && bv->theLockingInset())
1249                         break;
1250                 if (cmd.button() == mouse_button::button1) {
1251                         if (!isInInset()) {
1252                                 bv->screen().toggleSelection(this, bv);
1253                                 selectWord(LyXText::WHOLE_WORD_STRICT);
1254                                 bv->screen().toggleSelection(this, bv, false);
1255                         } else {
1256                                 selectWord(LyXText::WHOLE_WORD_STRICT);
1257                         }
1258                         update();
1259                         bv->haveSelection(selection.set());
1260                 }
1261                 break;
1262
1263         case LFUN_MOUSE_MOTION:
1264         {
1265                 // Only use motion with button 1
1266                 //if (ev.button() != mouse_button::button1)
1267                 //      return false;
1268
1269                 if (!bv->buffer())
1270                         break;
1271
1272                 // Check for inset locking
1273                 if (bv->theLockingInset()) {
1274                         Inset * tli = bv->theLockingInset();
1275                         LyXCursor cursor = bv->text->cursor;
1276                         LyXFont font = bv->text->getFont(bv->buffer(),
1277                                                          cursor.par(), cursor.pos());
1278                         int width = tli->width(bv, font);
1279                         int inset_x = font.isVisibleRightToLeft()
1280                                 ? cursor.ix() - width : cursor.ix();
1281                         int start_x = inset_x + tli->scroll();
1282                         FuncRequest cmd1 = cmd;
1283                         cmd1.x = cmd.x - start_x;
1284                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1285                         tli->localDispatch(cmd1);
1286                         break;
1287                 }
1288
1289                 // The test for not selection possible is needed, that only motion
1290                 // events are used, where the bottom press event was on
1291                 //  the drawing area too
1292                 if (!selection_possible) {
1293                         lyxerr[Debug::ACTION]
1294                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1295                         break;
1296                 }
1297
1298                 RowList::iterator cursorrow = bv->text->cursor.row();
1299                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->text->top_y());
1300         #if 0
1301                 // sorry for this but I have a strange error that the y value jumps at
1302                 // a certain point. This seems like an error in my xforms library or
1303                 // in some other local environment, but I would like to leave this here
1304                 // for the moment until I can remove this (Jug 20020418)
1305                 if (y_before < bv->text->cursor.y())
1306                         lyxerr << y_before << ':'
1307                                << bv->text->cursor.y() << endl;
1308         #endif
1309                 // This is to allow jumping over large insets
1310                 if (cursorrow == bv->text->cursor.row()) {
1311                         if (cmd.y >= bv->workHeight())
1312                                 bv->text->cursorDown(false);
1313                         else if (cmd.y < 0)
1314                                 bv->text->cursorUp(false);
1315                 }
1316
1317                 // Maybe an empty line was deleted
1318                 if (!bv->text->selection.set())
1319                         bv->update(BufferView::UPDATE);
1320                 bv->text->setSelection();
1321                 bv->screen().toggleToggle(bv->text, bv);
1322                 bv->fitCursor();
1323                 break;
1324         }
1325
1326         // Single-click on work area
1327         case LFUN_MOUSE_PRESS:
1328         {
1329                 if (!bv->buffer())
1330                         break;
1331
1332                 // ok ok, this is a hack (for xforms)
1333                 // We shouldn't go further down as we really should only do the
1334                 // scrolling and be done with this. Otherwise we may open some
1335                 // dialogs (Jug 20020424).
1336                 if (cmd.button() == mouse_button::button4) {
1337                         bv->scroll(-lyxrc.wheel_jump);
1338                         break;
1339                 }
1340                 if (cmd.button() == mouse_button::button5) {
1341                         bv->scroll(lyxrc.wheel_jump);
1342                         break;
1343                 }
1344
1345                 int x = cmd.x;
1346                 int y = cmd.y;
1347                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1348
1349                 // Middle button press pastes if we have a selection
1350                 // We do this here as if the selection was inside an inset
1351                 // it could get cleared on the unlocking of the inset so
1352                 // we have to check this first
1353                 bool paste_internally = false;
1354                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1355                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1356                         paste_internally = true;
1357                 }
1358
1359                 int const screen_first = bv->text->top_y();
1360
1361                 if (bv->theLockingInset()) {
1362                         // We are in inset locking mode
1363
1364                         // Check whether the inset was hit. If not reset mode,
1365                         // otherwise give the event to the inset
1366                         if (inset_hit == bv->theLockingInset()) {
1367                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1368                                 bv->theLockingInset()->localDispatch(cmd1);
1369                                 break;
1370                         }
1371                         bv->unlockInset(bv->theLockingInset());
1372                 }
1373
1374                 if (!inset_hit)
1375                         selection_possible = true;
1376
1377                 // Clear the selection
1378                 bv->screen().toggleSelection(bv->text, bv);
1379                 bv->text->clearSelection();
1380                 bv->text->fullRebreak();
1381                 bv->update();
1382                 bv->updateScrollbar();
1383
1384                 // Single left click in math inset?
1385                 if (isHighlyEditableInset(inset_hit)) {
1386                         // Highly editable inset, like math
1387                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1388                         selection_possible = false;
1389                         bv->owner()->message(inset->editMessage());
1390                         // We just have to lock the inset before calling a PressEvent on it!
1391                         if (!bv->lockInset(inset))
1392                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1393                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1394                         inset->localDispatch(cmd1);
1395                         break;
1396                 }
1397                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1398
1399                 // Right click on a footnote flag opens float menu
1400                 if (cmd.button() == mouse_button::button3) {
1401                         selection_possible = false;
1402                         break;
1403                 }
1404
1405                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1406                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1407                 finishUndo();
1408                 bv->text->selection.cursor = bv->text->cursor;
1409                 bv->text->cursor.x_fix(bv->text->cursor.x());
1410
1411                 if (bv->fitCursor())
1412                         selection_possible = false;
1413
1414                 // Insert primary selection with middle mouse
1415                 // if there is a local selection in the current buffer,
1416                 // insert this
1417                 if (cmd.button() == mouse_button::button2) {
1418                         if (paste_internally)
1419                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1420                         else
1421                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1422                         selection_possible = false;
1423                 }
1424                 break;
1425         }
1426
1427         case LFUN_MOUSE_RELEASE:
1428         {
1429                 // do nothing if we used the mouse wheel
1430                 if (!bv->buffer())
1431                         break;
1432
1433                 if (cmd.button() == mouse_button::button4
1434                  || cmd.button() == mouse_button::button5)
1435                         break;
1436
1437                 // If we hit an inset, we have the inset coordinates in these
1438                 // and inset_hit points to the inset.  If we do not hit an
1439                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1440                 int x = cmd.x;
1441                 int y = cmd.y;
1442                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1443
1444                 if (bv->theLockingInset()) {
1445                         // We are in inset locking mode.
1446
1447                         // LyX does a kind of work-area grabbing for insets.
1448                         // Only a ButtonPress FuncRequest outside the inset will
1449                         // force a insetUnlock.
1450                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1451                         bv->theLockingInset()->localDispatch(cmd1);
1452                         break;
1453                 }
1454
1455                 selection_possible = false;
1456
1457                 if (cmd.button() == mouse_button::button2)
1458                         break;
1459
1460                 // finish selection
1461                 if (cmd.button() == mouse_button::button1)
1462                         bv->haveSelection(selection.set());
1463
1464                 bv->switchKeyMap();
1465                 bv->owner()->view_state_changed();
1466                 bv->owner()->updateMenubar();
1467                 bv->owner()->updateToolbar();
1468
1469                 // Did we hit an editable inset?
1470                 if (inset_hit) {
1471                         selection_possible = false;
1472
1473                         // if we reach this point with a selection, it
1474                         // must mean we are currently selecting.
1475                         // But we don't want to open the inset
1476                         // because that is annoying for the user.
1477                         // So just pretend we didn't hit it.
1478                         // this is OK because a "kosher" ButtonRelease
1479                         // will follow a ButtonPress that clears
1480                         // the selection.
1481                         // Note this also fixes selection drawing
1482                         // problems if we end up opening an inset
1483                         if (selection.set())
1484                                 break;
1485
1486                         // CHECK fix this proper in 0.13
1487                         // well, maybe 13.0 !!!!!!!!!
1488
1489                         // Following a ref shouldn't issue
1490                         // a push on the undo-stack
1491                         // anylonger, now that we have
1492                         // keybindings for following
1493                         // references and returning from
1494                         // references.  IMHO though, it
1495                         // should be the inset's own business
1496                         // to push or not push on the undo
1497                         // stack. They don't *have* to
1498                         // alter the document...
1499                         // (Joacim)
1500                         // ...or maybe the SetCursorParUndo()
1501                         // below isn't necessary at all anylonger?
1502                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1503                                 setCursorParUndo(bv);
1504
1505                         bv->owner()->message(inset_hit->editMessage());
1506
1507                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1508                         inset_hit->localDispatch(cmd1);
1509                 }
1510
1511                 break;
1512         }
1513
1514         case LFUN_SELFINSERT: {
1515                 if (cmd.argument.empty())
1516                         break;
1517
1518                 // Automatically delete the currently selected
1519                 // text and replace it with what is being
1520                 // typed in now. Depends on lyxrc settings
1521                 // "auto_region_delete", which defaults to
1522                 // true (on).
1523
1524                 if (lyxrc.auto_region_delete) {
1525                         if (selection.set()) {
1526                                 cutSelection(false, false);
1527                                 update();
1528                         }
1529                         bv->haveSelection(false);
1530                 }
1531
1532                 bv->beforeChange(this);
1533                 LyXFont const old_font(real_current_font);
1534
1535                 string::const_iterator cit = cmd.argument.begin();
1536                 string::const_iterator end = cmd.argument.end();
1537                 for (; cit != end; ++cit)
1538                         bv->owner()->getIntl().getTransManager().
1539                                 TranslateAndInsert(*cit, this);
1540
1541                 update();
1542                 selection.cursor = cursor;
1543                 moveCursorUpdate(bv, false);
1544
1545                 // real_current_font.number can change so we need to
1546                 // update the minibuffer
1547                 if (old_font != real_current_font)
1548                         bv->owner()->view_state_changed();
1549                 break;
1550         }
1551
1552         case LFUN_HTMLURL: {
1553                 InsetCommandParams p("htmlurl");
1554                 string const data = InsetCommandMailer::params2string("url", p);
1555                 bv->owner()->getDialogs().show("url", data, 0);
1556                 break;
1557         }
1558
1559         case LFUN_URL: {
1560                 InsetCommandParams p("url");
1561                 string const data = InsetCommandMailer::params2string("url", p);
1562                 bv->owner()->getDialogs().show("url", data, 0);
1563                 break;
1564         }
1565
1566
1567 #if 0
1568         case LFUN_INSET_LIST:
1569         case LFUN_INSET_THEOREM:
1570         case LFUN_INSET_CAPTION:
1571 #endif
1572         case LFUN_INSERT_NOTE:
1573         case LFUN_INSERT_BIBITEM:
1574         case LFUN_INSET_ERT:
1575         case LFUN_INSET_FLOAT:
1576         case LFUN_INSET_FOOTNOTE:
1577         case LFUN_INSET_MARGINAL:
1578         case LFUN_INSET_MINIPAGE:
1579         case LFUN_INSET_OPTARG:
1580         case LFUN_INSET_WIDE_FLOAT:
1581         case LFUN_INSET_WRAP:
1582         case LFUN_TABULAR_INSERT:
1583         case LFUN_ENVIRONMENT_INSERT:
1584                 // Open the inset, and move the current selection
1585                 // inside it.
1586                 doInsertInset(this, cmd, true, true);
1587                 break;
1588
1589         case LFUN_INDEX_INSERT:
1590                 // Just open the inset
1591                 doInsertInset(this, cmd, true, false);
1592                 break;
1593
1594         case LFUN_INDEX_PRINT:
1595         case LFUN_PARENTINSERT:
1596         case LFUN_TOC_INSERT:
1597         case LFUN_HFILL:
1598                 // do nothing fancy
1599                 doInsertInset(this, cmd, false, false);
1600                 break;
1601
1602         default:
1603                 return UNDISPATCHED;
1604         }
1605
1606         return DISPATCHED;
1607 }