src/text3.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2002 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "lyxtext.h"
  14 #include "lyxrow.h"
  15 #include "paragraph.h"
  16 #include "BufferView.h"
  17 #include "funcrequest.h"
  18 #include "lyxrc.h"
  19 #include "Lsstream.h"
  20 #include "debug.h"
  21 #include "bufferparams.h"
  22 #include "buffer.h"
  23 #include "bufferview_funcs.h"
  24 #include "ParagraphParameters.h"
  25 #include "gettext.h"
  26 #include "factory.h"
  27 #include "intl.h"
  28 #include "box.h"
  29 #include "language.h"
  30 #include "support/tostr.h"
  31 #include "support/lstrings.h"
  32 #include "support/LAssert.h"
  33 #include "frontends/LyXView.h"
  34 #include "frontends/screen.h"
  35 #include "frontends/Dialogs.h"
  36 #include "insets/insetspecialchar.h"
  37 #include "insets/insettext.h"
  38 #include "insets/insetquotes.h"
  39 #include "insets/insetcommand.h"
  40 #include "insets/insetnewline.h"
  41 #include "undo_funcs.h"
  42 #include "text_funcs.h"
  43 #include "Lsstream.h"
  44
  45 #include <ctime>
  46 #include <clocale>
  47
  48 using namespace lyx::support;
  49 using namespace bv_funcs;
  50
  51 using std::endl;
  52 using std::find;
  53 using std::vector;
  54 using lyx::pos_type;
  55
  56 extern string current_layout;
  57 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  58
  59 // the selection possible is needed, that only motion events are
  60 // used, where the bottom press event was on the drawing area too
  61 bool selection_possible = false;
  62
  63
  64 namespace {
  65
  66         void moveCursorUpdate(BufferView * bv, bool selecting)
  67         {
  68                 LyXText * lt = bv->getLyXText();
  69
  70                 if (selecting || lt->selection.mark()) {
  71                         lt->setSelection();
  72                         if (lt->isInInset())
  73                                 bv->updateInset(lt->inset_owner);
  74                 }
  75                 bv->update();
  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 InsetOld * checkInset(BufferView * /*bv*/, LyXText & text,
  95                 LyXCursor const & cur, int & x, int & y)
  96         {
  97                 lyx::pos_type const pos = cur.pos();
  98                 ParagraphList::iterator par = cur.par();
  99
 100                 if (pos >= par->size() || !par->isInset(pos))
 101                         return 0;
 102
 103                 InsetOld /*const*/ * inset = par->getInset(pos);
 104
 105                 if (!isEditableInset(inset))
 106                         return 0;
 107
 108                 // get inset dimensions
 109                 Assert(par->getInset(pos));
 110
 111                 LyXFont const & font = text.getFont(par, pos);
 112
 113                 int const width = inset->width();
 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(),
 121                         cur.iy() + inset->descent()
 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 InsetOld * 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         InsetOld * 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<InsetOld::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         InsetOld * 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<InsetOld::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                 InsetOld 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(InsetOld::Code code, bool same_content)
 236 {
 237         gotoInset(vector<InsetOld::Code>(1, code), same_content);
 238 }
 239
 240
 241 void LyXText::cursorPrevious()
 242 {
 243         int y = top_y();
 244
 245         if (cursorRow() == rows().begin()) {
 246                 if (y > 0)
 247                         bv()->updateScrollbar();
 248                 return;
 249         }
 250
 251         RowList::iterator cursorrow = cursorRow();
 252
 253         setCursorFromCoordinates(cursor.x_fix(), y);
 254         finishUndo();
 255
 256         int new_y;
 257         if (cursorrow == bv()->text->cursorRow()) {
 258                 // we have a row which is taller than the workarea. The
 259                 // simplest solution is to move to the previous row instead.
 260                 cursorUp(true);
 261                 return;
 262                 // This is what we used to do, so we wouldn't skip right past
 263                 // tall rows, but it's not working right now.
 264         } else {
 265                 if (inset_owner) {
 266                         new_y = bv()->text->cursor.iy()
 267                                 + bv()->theLockingInset()->insetInInsetY() + y
 268                                 + cursorRow()->height()
 269                                 - bv()->workHeight() + 1;
 270                 } else {
 271                         new_y = cursor.y()
 272                                 - cursorRow()->baseline()
 273                                 + cursorRow()->height()
 274                                 - bv()->workHeight() + 1;
 275                 }
 276         }
 277         //bv()->screen().draw(bv()->text, bv(), new_y < 0 ? 0 : new_y);
 278         if (cursorRow() != rows().begin()) {
 279                 LyXCursor cur;
 280                 setCursor(cur, boost::prior(cursorRow())->par(),
 281                           boost::prior(cursorRow())->pos(), false);
 282                 if (cur.y() > top_y()) {
 283                         cursorUp(true);
 284                 }
 285         }
 286         bv()->updateScrollbar();
 287 }
 288
 289
 290 void LyXText::cursorNext()
 291 {
 292         int topy = top_y();
 293
 294         if (boost::next(cursorRow()) == rows().end()) {
 295                 int y = cursor.y() - cursorRow()->baseline() +
 296                         cursorRow()->height();
 297                 if (y > topy + bv()->workHeight()) {
 298                         //bv()->screen().draw(bv()->text, bv(), bv()->text->top_y() + bv()->workHeight());
 299                         bv()->updateScrollbar();
 300                 }
 301                 return;
 302         }
 303
 304         int y = topy + bv()->workHeight();
 305         if (inset_owner && !topy) {
 306                 y -= (bv()->text->cursor.iy()
 307                           - bv()->text->top_y()
 308                           + bv()->theLockingInset()->insetInInsetY());
 309         }
 310
 311         getRowNearY(y);
 312
 313         RowList::iterator cursorrow = cursorRow();
 314         setCursorFromCoordinates(cursor.x_fix(), y);
 315         // + bv->workHeight());
 316         finishUndo();
 317
 318         int new_y;
 319         if (cursorrow == bv()->text->cursorRow()) {
 320                 // we have a row which is taller than the workarea. The
 321                 // simplest solution is to move to the next row instead.
 322                 cursorDown(true);
 323                 return;
 324                 // This is what we used to do, so we wouldn't skip right past
 325                 // tall rows, but it's not working right now.
 326 #if 0
 327                 new_y = bv->text->top_y() + bv->workHeight();
 328 #endif
 329         } else {
 330                 if (inset_owner) {
 331                         new_y = bv()->text->cursor.iy()
 332                                 + bv()->theLockingInset()->insetInInsetY()
 333                                 + y - cursorRow()->baseline();
 334                 } else {
 335                         new_y =  cursor.y() - cursorRow()->baseline();
 336                 }
 337         }
 338         //bv()->screen().draw(bv()->text, bv(), new_y);
 339
 340         RowList::iterator next_row = boost::next(cursorRow());
 341         if (next_row != rows().end()) {
 342                 LyXCursor cur;
 343                 setCursor(cur, next_row->par(), next_row->pos(), false);
 344                 if (cur.y() < top_y() + bv()->workHeight()) {
 345                         cursorDown(true);
 346                 }
 347         }
 348         bv()->updateScrollbar();
 349 }
 350
 351
 352 void LyXText::update()
 353 {
 354         bv()->update(this, BufferView::SELECT);
 355 }
 356
 357 namespace {
 358
 359 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 360 {
 361         lt->update();
 362         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 363         replaceSelection(lt);
 364         if (!bv->insertInset(new_inset))
 365                 delete new_inset;
 366         else
 367                 bv->updateInset(new_inset);
 368 }
 369
 370
 371 void doInsertInset(LyXText * lt, FuncRequest const & cmd,
 372                    bool edit, bool pastesel)
 373 {
 374         InsetOld * inset = createInset(cmd);
 375         BufferView * bv = cmd.view();
 376
 377         if (inset) {
 378                 bool gotsel = false;
 379                 if (lt->selection.set()) {
 380                         bv->owner()->dispatch(FuncRequest(LFUN_CUT));
 381                         gotsel = true;
 382                 }
 383                 if (bv->insertInset(inset)) {
 384                         if (edit) {
 385                                 FuncRequest cmd(bv, LFUN_INSET_EDIT, "left");
 386                                 inset->localDispatch(cmd);
 387                         }
 388                         if (gotsel && pastesel)
 389                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
 390                 }
 391                 else
 392                         delete inset;
 393         }
 394 }
 395
 396 }
 397
 398 InsetOld::RESULT LyXText::dispatch(FuncRequest const & cmd)
 399 {
 400         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 401                               <<"] arg[" << cmd.argument << ']' << endl;
 402
 403         BufferView * bv = cmd.view();
 404
 405         switch (cmd.action) {
 406
 407         case LFUN_APPENDIX: {
 408                 ParagraphList::iterator pit = cursor.par();
 409                 bool start = !pit->params().startOfAppendix();
 410
 411                 // ensure that we have only one start_of_appendix in this document
 412                 ParagraphList::iterator tmp = ownerParagraphs().begin();
 413                 ParagraphList::iterator end = ownerParagraphs().end();
 414
 415                 for (; tmp != end; ++tmp) {
 416                         if (tmp->params().startOfAppendix()) {
 417                                 recordUndo(bv, Undo::ATOMIC, tmp);
 418                                 tmp->params().startOfAppendix(false);
 419                                 int tmpy;
 420                                 setHeightOfRow(getRow(tmp, 0, tmpy));
 421                                 break;
 422                         }
 423                 }
 424
 425                 recordUndo(bv, Undo::ATOMIC, pit);
 426                 pit->params().startOfAppendix(start);
 427
 428                 // we can set the refreshing parameters now
 429                 updateCounters();
 430                 redoHeightOfParagraph();
 431                 setCursor(cursor.par(), cursor.pos());
 432                 update();
 433                 break;
 434         }
 435
 436         case LFUN_DELETE_WORD_FORWARD:
 437                 bv->beforeChange(this);
 438                 update();
 439                 deleteWordForward();
 440                 update();
 441                 finishChange(bv);
 442                 break;
 443
 444         case LFUN_DELETE_WORD_BACKWARD:
 445                 bv->beforeChange(this);
 446                 update();
 447                 deleteWordBackward();
 448                 update();
 449                 finishChange(bv);
 450                 break;
 451
 452         case LFUN_DELETE_LINE_FORWARD:
 453                 bv->beforeChange(this);
 454                 update();
 455                 deleteLineForward();
 456                 update();
 457                 finishChange(bv);
 458                 break;
 459
 460         case LFUN_WORDRIGHT:
 461                 if (!selection.mark())
 462                         bv->beforeChange(this);
 463                 update();
 464                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 465                         cursorLeftOneWord();
 466                 else
 467                         cursorRightOneWord();
 468                 finishChange(bv);
 469                 break;
 470
 471         case LFUN_WORDLEFT:
 472                 if (!selection.mark())
 473                         bv->beforeChange(this);
 474                 update();
 475                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 476                         cursorRightOneWord();
 477                 else
 478                         cursorLeftOneWord();
 479                 finishChange(bv);
 480                 break;
 481
 482         case LFUN_BEGINNINGBUF:
 483                 if (!selection.mark())
 484                         bv->beforeChange(this);
 485                 update();
 486                 cursorTop();
 487                 finishChange(bv);
 488                 break;
 489
 490         case LFUN_ENDBUF:
 491                 if (selection.mark())
 492                         bv->beforeChange(this);
 493                 update();
 494                 cursorBottom();
 495                 finishChange(bv);
 496                 break;
 497
 498         case LFUN_RIGHTSEL:
 499                 update();
 500                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 501                         cursorLeft(bv);
 502                 else
 503                         cursorRight(bv);
 504                 finishChange(bv, true);
 505                 break;
 506
 507         case LFUN_LEFTSEL:
 508                 update();
 509                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 510                         cursorRight(bv);
 511                 else
 512                         cursorLeft(bv);
 513                 finishChange(bv, true);
 514                 break;
 515
 516         case LFUN_UPSEL:
 517                 update();
 518                 cursorUp(true);
 519                 finishChange(bv, true);
 520                 break;
 521
 522         case LFUN_DOWNSEL:
 523                 update();
 524                 cursorDown(true);
 525                 finishChange(bv, true);
 526                 break;
 527
 528         case LFUN_UP_PARAGRAPHSEL:
 529                 update();
 530                 cursorUpParagraph();
 531                 finishChange(bv, true);
 532                 break;
 533
 534         case LFUN_DOWN_PARAGRAPHSEL:
 535                 update();
 536                 cursorDownParagraph();
 537                 finishChange(bv, true);
 538                 break;
 539
 540         case LFUN_PRIORSEL:
 541                 update();
 542                 cursorPrevious();
 543                 finishChange(bv, true);
 544                 break;
 545
 546         case LFUN_NEXTSEL:
 547                 update();
 548                 cursorNext();
 549                 finishChange(bv, true);
 550                 break;
 551
 552         case LFUN_HOMESEL:
 553                 update();
 554                 cursorHome();
 555                 finishChange(bv, true);
 556                 break;
 557
 558         case LFUN_ENDSEL:
 559                 update();
 560                 cursorEnd();
 561                 finishChange(bv, true);
 562                 break;
 563
 564         case LFUN_WORDRIGHTSEL:
 565                 update();
 566                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 567                         cursorLeftOneWord();
 568                 else
 569                         cursorRightOneWord();
 570                 finishChange(bv, true);
 571                 break;
 572
 573         case LFUN_WORDLEFTSEL:
 574                 update();
 575                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 576                         cursorRightOneWord();
 577                 else
 578                         cursorLeftOneWord();
 579                 finishChange(bv, true);
 580                 break;
 581
 582         case LFUN_WORDSEL: {
 583                 update();
 584                 LyXCursor cur1 = cursor;
 585                 LyXCursor cur2;
 586                 ::getWord(cur1, cur2, lyx::WHOLE_WORD, ownerParagraphs());
 587                 setCursor(cur1.par(), cur1.pos());
 588                 bv->beforeChange(this);
 589                 setCursor(cur2.par(), cur2.pos());
 590                 finishChange(bv, true);
 591                 break;
 592         }
 593
 594         case LFUN_RIGHT: {
 595                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 596                 if (!selection.mark())
 597                         bv->beforeChange(this);
 598                 update();
 599                 if (is_rtl)
 600                         cursorLeft(false);
 601                 if (cursor.pos() < cursor.par()->size()
 602                     && cursor.par()->isInset(cursor.pos())
 603                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 604                         InsetOld * tmpinset = cursor.par()->getInset(cursor.pos());
 605                         cmd.message(tmpinset->editMessage());
 606                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "right" : "left");
 607                         tmpinset->localDispatch(cmd1);
 608                         break;
 609                 }
 610                 if (!is_rtl)
 611                         cursorRight(false);
 612                 finishChange(bv);
 613                 break;
 614         }
 615
 616         case LFUN_LEFT: {
 617                 // This is soooo ugly. Isn`t it possible to make
 618                 // it simpler? (Lgb)
 619                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 620                 if (!selection.mark())
 621                         bv->beforeChange(this);
 622                 update();
 623                 LyXCursor const cur = cursor;
 624                 if (!is_rtl)
 625                         cursorLeft(false);
 626                 if ((is_rtl || cur != cursor) && // only if really moved!
 627                     cursor.pos() < cursor.par()->size() &&
 628                     cursor.par()->isInset(cursor.pos()) &&
 629                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 630                         InsetOld * tmpinset = cursor.par()->getInset(cursor.pos());
 631                         cmd.message(tmpinset->editMessage());
 632                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "left" : "right");
 633                         tmpinset->localDispatch(cmd1);
 634                         break;
 635                 }
 636                 if (is_rtl)
 637                         cursorRight(false);
 638                 finishChange(bv);
 639                 break;
 640         }
 641
 642         case LFUN_UP:
 643                 if (!selection.mark())
 644                         bv->beforeChange(this);
 645                 bv->update(this, BufferView::UPDATE);
 646                 cursorUp(false);
 647                 finishChange(bv);
 648                 break;
 649
 650         case LFUN_DOWN:
 651                 if (!selection.mark())
 652                         bv->beforeChange(this);
 653                 bv->update(this, BufferView::UPDATE);
 654                 cursorDown(false);
 655                 finishChange(bv);
 656                 break;
 657
 658         case LFUN_UP_PARAGRAPH:
 659                 if (!selection.mark())
 660                         bv->beforeChange(this);
 661                 bv->update(this, BufferView::UPDATE);
 662                 cursorUpParagraph();
 663                 finishChange(bv);
 664                 break;
 665
 666         case LFUN_DOWN_PARAGRAPH:
 667                 if (!selection.mark())
 668                         bv->beforeChange(this);
 669                 bv->update(this, BufferView::UPDATE);
 670                 cursorDownParagraph();
 671                 finishChange(bv, false);
 672                 break;
 673
 674         case LFUN_PRIOR:
 675                 if (!selection.mark())
 676                         bv->beforeChange(this);
 677                 bv->update(this, BufferView::UPDATE);
 678                 cursorPrevious();
 679                 finishChange(bv, false);
 680                 break;
 681
 682         case LFUN_NEXT:
 683                 if (!selection.mark())
 684                         bv->beforeChange(this);
 685                 bv->update(this, BufferView::UPDATE);
 686                 cursorNext();
 687                 finishChange(bv, false);
 688                 break;
 689
 690         case LFUN_HOME:
 691                 if (!selection.mark())
 692                         bv->beforeChange(this);
 693                 update();
 694                 cursorHome();
 695                 finishChange(bv, false);
 696                 break;
 697
 698         case LFUN_END:
 699                 if (!selection.mark())
 700                         bv->beforeChange(this);
 701                 update();
 702                 cursorEnd();
 703                 finishChange(bv, false);
 704                 break;
 705
 706         case LFUN_BREAKLINE: {
 707                 lyx::pos_type body = cursor.par()->beginningOfBody();
 708
 709                 // Not allowed by LaTeX (labels or empty par)
 710                 if (cursor.pos() <= body)
 711                         break;
 712
 713                 replaceSelection(bv->getLyXText());
 714                 insertInset(new InsetNewline);
 715                 update();
 716                 setCursor(cursor.par(), cursor.pos());
 717                 moveCursorUpdate(bv, false);
 718                 break;
 719         }
 720
 721         case LFUN_DELETE:
 722                 if (!selection.set()) {
 723                         Delete();
 724                         selection.cursor = cursor;
 725                         update();
 726                         // It is possible to make it a lot faster still
 727                         // just comment out the line below...
 728                 } else {
 729                         update();
 730                         cutSelection(true, false);
 731                         update();
 732                 }
 733                 moveCursorUpdate(bv, false);
 734                 bv->owner()->view_state_changed();
 735                 bv->switchKeyMap();
 736                 break;
 737
 738         case LFUN_DELETE_SKIP:
 739                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 740                 if (!selection.set()) {
 741                         LyXCursor cur = cursor;
 742                         if (cur.pos() == cur.par()->size()) {
 743                                 cursorRight(bv);
 744                                 cur = cursor;
 745                                 if (cur.pos() == 0
 746                                     && !(cur.par()->params().spaceTop()
 747                                          == VSpace (VSpace::NONE))) {
 748                                         setParagraph(
 749                                                  cur.par()->params().lineTop(),
 750                                                  cur.par()->params().lineBottom(),
 751                                                  cur.par()->params().pagebreakTop(),
 752                                                  cur.par()->params().pagebreakBottom(),
 753                                                  VSpace(VSpace::NONE),
 754                                                  cur.par()->params().spaceBottom(),
 755                                                  cur.par()->params().spacing(),
 756                                                  cur.par()->params().align(),
 757                                                  cur.par()->params().labelWidthString(), 0);
 758                                         cursorLeft(bv);
 759                                         update();
 760                                 } else {
 761                                         cursorLeft(bv);
 762                                         Delete();
 763                                         selection.cursor = cursor;
 764                                 }
 765                         } else {
 766                                 Delete();
 767                                 selection.cursor = cursor;
 768                         }
 769                 } else {
 770                         update();
 771                         cutSelection(true, false);
 772                 }
 773                 update();
 774                 break;
 775
 776
 777         case LFUN_BACKSPACE:
 778                 if (!selection.set()) {
 779                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 780                                 backspace();
 781                                 selection.cursor = cursor;
 782                                 update();
 783                                 // It is possible to make it a lot faster still
 784                                 // just comment out the line below...
 785                         }
 786                 } else {
 787                         update();
 788                         cutSelection(true, false);
 789                         update();
 790                 }
 791                 bv->owner()->view_state_changed();
 792                 bv->switchKeyMap();
 793                 break;
 794
 795         case LFUN_BACKSPACE_SKIP:
 796                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 797                 if (!selection.set()) {
 798                         LyXCursor cur = cursor;
 799                         if (cur.pos() == 0
 800                             && !(cur.par()->params().spaceTop()
 801                                  == VSpace (VSpace::NONE))) {
 802                                 setParagraph(
 803                                          cur.par()->params().lineTop(),
 804                                          cur.par()->params().lineBottom(),
 805                                          cur.par()->params().pagebreakTop(),
 806                                          cur.par()->params().pagebreakBottom(),
 807                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 808                                          cur.par()->params().spacing(),
 809                                          cur.par()->params().align(),
 810                                          cur.par()->params().labelWidthString(), 0);
 811                         } else {
 812                                 backspace();
 813                                 selection.cursor = cur;
 814                         }
 815                 } else {
 816                         update();
 817                         cutSelection(true, false);
 818                 }
 819                 update();
 820                 break;
 821
 822         case LFUN_BREAKPARAGRAPH:
 823                 replaceSelection(bv->getLyXText());
 824                 breakParagraph(bv->buffer()->paragraphs, 0);
 825                 update();
 826                 selection.cursor = cursor;
 827                 bv->switchKeyMap();
 828                 bv->owner()->view_state_changed();
 829                 break;
 830
 831         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 832                 replaceSelection(bv->getLyXText());
 833                 breakParagraph(bv->buffer()->paragraphs, 1);
 834                 update();
 835                 selection.cursor = cursor;
 836                 bv->switchKeyMap();
 837                 bv->owner()->view_state_changed();
 838                 break;
 839
 840         case LFUN_BREAKPARAGRAPH_SKIP: {
 841                 // When at the beginning of a paragraph, remove
 842                 // indentation and add a "defskip" at the top.
 843                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 844                 LyXCursor cur = cursor;
 845                 replaceSelection(bv->getLyXText());
 846                 if (cur.pos() == 0) {
 847                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 848                                 setParagraph(
 849                                          cur.par()->params().lineTop(),
 850                                          cur.par()->params().lineBottom(),
 851                                          cur.par()->params().pagebreakTop(),
 852                                          cur.par()->params().pagebreakBottom(),
 853                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 854                                          cur.par()->params().spacing(),
 855                                          cur.par()->params().align(),
 856                                          cur.par()->params().labelWidthString(), 1);
 857                         }
 858                 }
 859                 else {
 860                         breakParagraph(bv->buffer()->paragraphs, 0);
 861                 }
 862                 update();
 863                 selection.cursor = cur;
 864                 bv->switchKeyMap();
 865                 bv->owner()->view_state_changed();
 866                 break;
 867         }
 868
 869         case LFUN_PARAGRAPH_SPACING: {
 870                 ParagraphList::iterator pit = cursor.par();
 871                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
 872                 float cur_value = 1.0;
 873                 if (cur_spacing == Spacing::Other)
 874                         cur_value = pit->params().spacing().getValue();
 875
 876                 istringstream is(STRCONV(cmd.argument));
 877                 string tmp;
 878                 is >> tmp;
 879                 Spacing::Space new_spacing = cur_spacing;
 880                 float new_value = cur_value;
 881                 if (tmp.empty()) {
 882                         lyxerr << "Missing argument to `paragraph-spacing'"
 883                                << endl;
 884                 } else if (tmp == "single") {
 885                         new_spacing = Spacing::Single;
 886                 } else if (tmp == "onehalf") {
 887                         new_spacing = Spacing::Onehalf;
 888                 } else if (tmp == "double") {
 889                         new_spacing = Spacing::Double;
 890                 } else if (tmp == "other") {
 891                         new_spacing = Spacing::Other;
 892                         float tmpval = 0.0;
 893                         is >> tmpval;
 894                         lyxerr << "new_value = " << tmpval << endl;
 895                         if (tmpval != 0.0)
 896                                 new_value = tmpval;
 897                 } else if (tmp == "default") {
 898                         new_spacing = Spacing::Default;
 899                 } else {
 900                         lyxerr << _("Unknown spacing argument: ")
 901                                << cmd.argument << endl;
 902                 }
 903                 if (cur_spacing != new_spacing || cur_value != new_value) {
 904                         pit->params().spacing(Spacing(new_spacing, new_value));
 905                         redoParagraph();
 906                         update();
 907                 }
 908                 break;
 909         }
 910
 911         case LFUN_INSET_SETTINGS:
 912                 Assert(bv->theLockingInset());
 913                 bv->theLockingInset()->getLockingInset()->showInsetDialog(bv);
 914                 break;
 915
 916         case LFUN_INSET_TOGGLE:
 917                 bv->beforeChange(this);
 918                 update();
 919                 toggleInset();
 920                 update();
 921                 bv->switchKeyMap();
 922                 break;
 923
 924         case LFUN_SPACE_INSERT:
 925                 if (cursor.par()->layout()->free_spacing) {
 926                         insertChar(' ');
 927                         update();
 928                 } else {
 929                         doInsertInset(this, cmd, false, false);
 930                 }
 931                 moveCursorUpdate(bv, false);
 932                 break;
 933
 934         case LFUN_HYPHENATION:
 935                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 936                 break;
 937
 938         case LFUN_LIGATURE_BREAK:
 939                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 940                 break;
 941
 942         case LFUN_LDOTS:
 943                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 944                 break;
 945
 946         case LFUN_END_OF_SENTENCE:
 947                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 948                 break;
 949
 950         case LFUN_MENU_SEPARATOR:
 951                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 952                 break;
 953
 954         case LFUN_MARK_OFF:
 955                 bv->beforeChange(this);
 956                 update();
 957                 selection.cursor = cursor;
 958                 cmd.message(N_("Mark off"));
 959                 break;
 960
 961         case LFUN_MARK_ON:
 962                 bv->beforeChange(this);
 963                 selection.mark(true);
 964                 update();
 965                 selection.cursor = cursor;
 966                 cmd.message(N_("Mark on"));
 967                 break;
 968
 969         case LFUN_SETMARK:
 970                 bv->beforeChange(this);
 971                 if (selection.mark()) {
 972                         update();
 973                         cmd.message(N_("Mark removed"));
 974                 } else {
 975                         selection.mark(true);
 976                         update();
 977                         cmd.message(N_("Mark set"));
 978                 }
 979                 selection.cursor = cursor;
 980                 break;
 981
 982         case LFUN_UPCASE_WORD:
 983                 update();
 984                 changeCase(LyXText::text_uppercase);
 985                 if (inset_owner)
 986                         bv->updateInset(inset_owner);
 987                 update();
 988                 break;
 989
 990         case LFUN_LOWCASE_WORD:
 991                 update();
 992                 changeCase(LyXText::text_lowercase);
 993                 if (inset_owner)
 994                         bv->updateInset(inset_owner);
 995                 update();
 996                 break;
 997
 998         case LFUN_CAPITALIZE_WORD:
 999                 update();
1000                 changeCase(LyXText::text_capitalization);
1001                 if (inset_owner)
1002                         bv->updateInset(inset_owner);
1003                 update();
1004                 break;
1005
1006         case LFUN_TRANSPOSE_CHARS:
1007                 update();
1008                 recordUndo(bv, Undo::ATOMIC, cursor.par());
1009                 if (transposeChars(cursor))
1010                         checkParagraph(cursor.par(), cursor.pos());
1011                 if (inset_owner)
1012                         bv->updateInset(inset_owner);
1013                 update();
1014                 break;
1015
1016         case LFUN_PASTE: {
1017                 cmd.message(_("Paste"));
1018                 replaceSelection(bv->getLyXText());
1019                 size_t sel_index = 0;
1020                 string const & arg = cmd.argument;
1021                 if (isStrUnsignedInt(arg)) {
1022                         size_t const paste_arg = strToUnsignedInt(arg);
1023 #warning FIXME Check if the arg is in the domain of available selections.
1024                         sel_index = paste_arg;
1025                 }
1026                 pasteSelection(sel_index);
1027                 clearSelection(); // bug 393
1028                 update();
1029                 bv->switchKeyMap();
1030                 break;
1031         }
1032
1033         case LFUN_CUT:
1034                 update();
1035                 cutSelection(true, true);
1036                 update();
1037                 cmd.message(_("Cut"));
1038                 break;
1039
1040         case LFUN_COPY:
1041                 copySelection();
1042                 cmd.message(_("Copy"));
1043                 break;
1044
1045         case LFUN_BEGINNINGBUFSEL:
1046                 if (inset_owner)
1047                         return UNDISPATCHED;
1048                 update();
1049                 cursorTop();
1050                 finishChange(bv, true);
1051                 break;
1052
1053         case LFUN_ENDBUFSEL:
1054                 if (inset_owner)
1055                         return UNDISPATCHED;
1056                 update();
1057                 cursorBottom();
1058                 finishChange(bv, true);
1059                 break;
1060
1061         case LFUN_GETXY:
1062                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1063                 break;
1064
1065         case LFUN_SETXY: {
1066                 int x = 0;
1067                 int y = 0;
1068                 istringstream is(STRCONV(cmd.argument));
1069                 is >> x >> y;
1070                 if (!is)
1071                         lyxerr << "SETXY: Could not parse coordinates in '"
1072                                << cmd.argument << std::endl;
1073                 else
1074                         setCursorFromCoordinates(x, y);
1075                 break;
1076         }
1077
1078         case LFUN_GETFONT:
1079                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1080                         cmd.message("E");
1081                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1082                         cmd.message("N");
1083                 else
1084                         cmd.message("0");
1085                 break;
1086
1087         case LFUN_GETLAYOUT:
1088                 cmd.message(tostr(cursor.par()->layout()));
1089                 break;
1090
1091         case LFUN_LAYOUT: {
1092                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1093                   << cmd.argument << endl;
1094
1095                 // This is not the good solution to the empty argument
1096                 // problem, but it will hopefully suffice for 1.2.0.
1097                 // The correct solution would be to augument the
1098                 // function list/array with information about what
1099                 // functions needs arguments and their type.
1100                 if (cmd.argument.empty()) {
1101                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1102                         break;
1103                 }
1104
1105                 // Derive layout number from given argument (string)
1106                 // and current buffer's textclass (number)
1107                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1108                 bool hasLayout = tclass.hasLayout(cmd.argument);
1109                 string layout = cmd.argument;
1110
1111                 // If the entry is obsolete, use the new one instead.
1112                 if (hasLayout) {
1113                         string const & obs = tclass[layout]->obsoleted_by();
1114                         if (!obs.empty())
1115                                 layout = obs;
1116                 }
1117
1118                 if (!hasLayout) {
1119                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1120                                 N_(" not known"));
1121                         break;
1122                 }
1123
1124                 bool change_layout = (current_layout != layout);
1125
1126                 if (!change_layout && selection.set() &&
1127                         selection.start.par() != selection.end.par())
1128                 {
1129                         ParagraphList::iterator spit = selection.start.par();
1130                         ParagraphList::iterator epit = boost::next(selection.end.par());
1131                         while (spit != epit) {
1132                                 if (spit->layout()->name() != current_layout) {
1133                                         change_layout = true;
1134                                         break;
1135                                 }
1136                                 ++spit;
1137                         }
1138                 }
1139
1140                 if (change_layout) {
1141                         current_layout = layout;
1142                         update();
1143                         setLayout(layout);
1144                         bv->owner()->setLayout(layout);
1145                         update();
1146                         bv->switchKeyMap();
1147                 }
1148                 break;
1149         }
1150
1151         case LFUN_PASTESELECTION: {
1152                 if (!bv->buffer())
1153                         break;
1154                 // this was originally a beforeChange(bv->text), i.e
1155                 // the outermost LyXText!
1156                 bv->beforeChange(this);
1157                 string const clip = bv->getClipboard();
1158                 if (!clip.empty()) {
1159                         if (cmd.argument == "paragraph")
1160                                 insertStringAsParagraphs(clip);
1161                         else
1162                                 insertStringAsLines(clip);
1163                         clearSelection();
1164                         update();
1165                 }
1166                 break;
1167         }
1168
1169         case LFUN_GOTOERROR:
1170                 gotoInset(InsetOld::ERROR_CODE, false);
1171                 break;
1172
1173         case LFUN_GOTONOTE:
1174                 gotoInset(InsetOld::NOTE_CODE, false);
1175                 break;
1176
1177         case LFUN_REFERENCE_GOTO:
1178         {
1179                 vector<InsetOld::Code> tmp;
1180                 tmp.push_back(InsetOld::LABEL_CODE);
1181                 tmp.push_back(InsetOld::REF_CODE);
1182                 gotoInset(tmp, true);
1183                 break;
1184         }
1185
1186         case LFUN_QUOTE: {
1187                 replaceSelection(bv->getLyXText());
1188                 ParagraphList::iterator pit = cursor.par();
1189                 lyx::pos_type pos = cursor.pos();
1190                 char c;
1191                 if (!pos)
1192                         c = ' ';
1193                 else if (pit->isInset(pos - 1) && pit->getInset(pos - 1)->isSpace())
1194                         c = ' ';
1195                 else
1196                         c = pit->getChar(pos - 1);
1197
1198                 LyXLayout_ptr const & style = pit->layout();
1199
1200                 if (style->pass_thru ||
1201                                 pit->getFontSettings(bv->buffer()->params,
1202                                          pos).language()->lang() == "hebrew" ||
1203                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1204                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1205                 break;
1206         }
1207
1208         case LFUN_DATE_INSERT: {
1209                 replaceSelection(bv->getLyXText());
1210                 time_t now_time_t = time(NULL);
1211                 struct tm * now_tm = localtime(&now_time_t);
1212                 setlocale(LC_TIME, "");
1213                 string arg;
1214                 if (!cmd.argument.empty())
1215                         arg = cmd.argument;
1216                 else
1217                         arg = lyxrc.date_insert_format;
1218                 char datetmp[32];
1219                 int const datetmp_len =
1220                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1221
1222                 for (int i = 0; i < datetmp_len; i++) {
1223                         insertChar(datetmp[i]);
1224                         update();
1225                 }
1226                 selection.cursor = cursor;
1227                 moveCursorUpdate(bv, false);
1228                 break;
1229         }
1230
1231         case LFUN_MOUSE_TRIPLE:
1232                 if (!bv->buffer())
1233                         break;
1234                 if (!isInInset() && bv->theLockingInset())
1235                         break;
1236                 if (cmd.button() == mouse_button::button1) {
1237                         if (!isInInset())
1238                                 bv->screen().toggleSelection(this, bv);
1239                         cursorHome();
1240                         selection.cursor = cursor;
1241                         cursorEnd();
1242                         setSelection();
1243                         if (!isInInset())
1244                                 bv->screen().toggleSelection(this, bv, false);
1245                         update();
1246                         bv->haveSelection(selection.set());
1247                 }
1248                 break;
1249
1250         case LFUN_MOUSE_DOUBLE:
1251                 if (!bv->buffer())
1252                         break;
1253                 if (!isInInset() && bv->theLockingInset())
1254                         break;
1255                 if (cmd.button() == mouse_button::button1) {
1256                         if (!isInInset()) {
1257                                 bv->screen().toggleSelection(this, bv);
1258                                 selectWord(lyx::WHOLE_WORD_STRICT);
1259                                 bv->screen().toggleSelection(this, bv, false);
1260                         } else {
1261                                 selectWord(lyx::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                         InsetOld * tli = bv->theLockingInset();
1280                         LyXCursor cursor = bv->text->cursor;
1281                         LyXFont font = bv->text->getFont(cursor.par(), cursor.pos());
1282                         int width = tli->width();
1283                         int inset_x = font.isVisibleRightToLeft()
1284                                 ? cursor.ix() - width : cursor.ix();
1285                         int start_x = inset_x + tli->scroll();
1286                         FuncRequest cmd1 = cmd;
1287                         cmd1.x = cmd.x - start_x;
1288                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1289                         tli->localDispatch(cmd1);
1290                         break;
1291                 }
1292
1293                 // The test for not selection possible is needed, that only motion
1294                 // events are used, where the bottom press event was on
1295                 //  the drawing area too
1296                 if (!selection_possible) {
1297                         lyxerr[Debug::ACTION]
1298                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1299                         break;
1300                 }
1301
1302                 RowList::iterator cursorrow = bv->text->cursorRow();
1303                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->text->top_y());
1304         #if 0
1305                 // sorry for this but I have a strange error that the y value jumps at
1306                 // a certain point. This seems like an error in my xforms library or
1307                 // in some other local environment, but I would like to leave this here
1308                 // for the moment until I can remove this (Jug 20020418)
1309                 if (y_before < bv->text->cursor.y())
1310                         lyxerr << y_before << ':'
1311                                << bv->text->cursor.y() << endl;
1312         #endif
1313                 // This is to allow jumping over large insets
1314                 if (cursorrow == bv->text->cursorRow()) {
1315                         if (cmd.y >= bv->workHeight())
1316                                 bv->text->cursorDown(false);
1317                         else if (cmd.y < 0)
1318                                 bv->text->cursorUp(false);
1319                 }
1320
1321                 // Maybe an empty line was deleted
1322                 if (!bv->text->selection.set())
1323                         bv->update(BufferView::UPDATE);
1324                 bv->text->setSelection();
1325                 bv->update();
1326                 bv->fitCursor();
1327                 break;
1328         }
1329
1330         // Single-click on work area
1331         case LFUN_MOUSE_PRESS:
1332         {
1333                 if (!bv->buffer())
1334                         break;
1335
1336                 // ok ok, this is a hack (for xforms)
1337                 // We shouldn't go further down as we really should only do the
1338                 // scrolling and be done with this. Otherwise we may open some
1339                 // dialogs (Jug 20020424).
1340                 if (cmd.button() == mouse_button::button4) {
1341                         bv->scroll(-lyxrc.wheel_jump);
1342                         break;
1343                 }
1344                 if (cmd.button() == mouse_button::button5) {
1345                         bv->scroll(lyxrc.wheel_jump);
1346                         break;
1347                 }
1348
1349                 int x = cmd.x;
1350                 int y = cmd.y;
1351                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1352
1353                 // Middle button press pastes if we have a selection
1354                 // We do this here as if the selection was inside an inset
1355                 // it could get cleared on the unlocking of the inset so
1356                 // we have to check this first
1357                 bool paste_internally = false;
1358                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1359                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1360                         paste_internally = true;
1361                 }
1362
1363                 int const screen_first = bv->text->top_y();
1364
1365                 if (bv->theLockingInset()) {
1366                         // We are in inset locking mode
1367
1368                         // Check whether the inset was hit. If not reset mode,
1369                         // otherwise give the event to the inset
1370                         if (inset_hit == bv->theLockingInset()) {
1371                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1372                                 bv->theLockingInset()->localDispatch(cmd1);
1373                                 break;
1374                         }
1375                         bv->unlockInset(bv->theLockingInset());
1376                 }
1377
1378                 if (!inset_hit)
1379                         selection_possible = true;
1380
1381                 // Clear the selection
1382                 bv->screen().toggleSelection(bv->text, bv);
1383                 bv->text->clearSelection();
1384                 bv->text->partialRebreak();
1385                 bv->update();
1386                 bv->updateScrollbar();
1387
1388                 // Single left click in math inset?
1389                 if (isHighlyEditableInset(inset_hit)) {
1390                         // Highly editable inset, like math
1391                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1392                         selection_possible = false;
1393                         bv->owner()->message(inset->editMessage());
1394                         // We just have to lock the inset before calling a PressEvent on it!
1395                         if (!bv->lockInset(inset))
1396                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1397                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1398                         inset->localDispatch(cmd1);
1399                         break;
1400                 }
1401                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1402
1403                 // Right click on a footnote flag opens float menu
1404                 if (cmd.button() == mouse_button::button3) {
1405                         selection_possible = false;
1406                         break;
1407                 }
1408
1409                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1410                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1411                 finishUndo();
1412                 bv->text->selection.cursor = bv->text->cursor;
1413                 bv->text->cursor.x_fix(bv->text->cursor.x());
1414
1415                 if (bv->fitCursor())
1416                         selection_possible = false;
1417
1418                 // Insert primary selection with middle mouse
1419                 // if there is a local selection in the current buffer,
1420                 // insert this
1421                 if (cmd.button() == mouse_button::button2) {
1422                         if (paste_internally)
1423                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1424                         else
1425                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1426                         selection_possible = false;
1427                 }
1428                 break;
1429         }
1430
1431         case LFUN_MOUSE_RELEASE:
1432         {
1433                 // do nothing if we used the mouse wheel
1434                 if (!bv->buffer())
1435                         break;
1436
1437                 if (cmd.button() == mouse_button::button4
1438                  || cmd.button() == mouse_button::button5)
1439                         break;
1440
1441                 // If we hit an inset, we have the inset coordinates in these
1442                 // and inset_hit points to the inset.  If we do not hit an
1443                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1444                 int x = cmd.x;
1445                 int y = cmd.y;
1446                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1447
1448                 if (bv->theLockingInset()) {
1449                         // We are in inset locking mode.
1450
1451                         // LyX does a kind of work-area grabbing for insets.
1452                         // Only a ButtonPress FuncRequest outside the inset will
1453                         // force a insetUnlock.
1454                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1455                         bv->theLockingInset()->localDispatch(cmd1);
1456                         break;
1457                 }
1458
1459                 selection_possible = false;
1460
1461                 if (cmd.button() == mouse_button::button2)
1462                         break;
1463
1464                 // finish selection
1465                 if (cmd.button() == mouse_button::button1)
1466                         bv->haveSelection(selection.set());
1467
1468                 bv->switchKeyMap();
1469                 bv->owner()->view_state_changed();
1470                 bv->owner()->updateMenubar();
1471                 bv->owner()->updateToolbar();
1472
1473                 // Did we hit an editable inset?
1474                 if (inset_hit) {
1475                         selection_possible = false;
1476
1477                         // if we reach this point with a selection, it
1478                         // must mean we are currently selecting.
1479                         // But we don't want to open the inset
1480                         // because that is annoying for the user.
1481                         // So just pretend we didn't hit it.
1482                         // this is OK because a "kosher" ButtonRelease
1483                         // will follow a ButtonPress that clears
1484                         // the selection.
1485                         // Note this also fixes selection drawing
1486                         // problems if we end up opening an inset
1487                         if (selection.set())
1488                                 break;
1489
1490                         // CHECK fix this proper in 0.13
1491                         // well, maybe 13.0 !!!!!!!!!
1492
1493                         // Following a ref shouldn't issue
1494                         // a push on the undo-stack
1495                         // anylonger, now that we have
1496                         // keybindings for following
1497                         // references and returning from
1498                         // references.  IMHO though, it
1499                         // should be the inset's own business
1500                         // to push or not push on the undo
1501                         // stack. They don't *have* to
1502                         // alter the document...
1503                         // (Joacim)
1504                         // ...or maybe the SetCursorParUndo()
1505                         // below isn't necessary at all anylonger?
1506                         if (inset_hit->lyxCode() == InsetOld::REF_CODE)
1507                                 recordUndo(bv, Undo::ATOMIC);
1508
1509                         bv->owner()->message(inset_hit->editMessage());
1510
1511                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1512                         inset_hit->localDispatch(cmd1);
1513                 }
1514
1515                 break;
1516         }
1517
1518         case LFUN_SELFINSERT: {
1519                 if (cmd.argument.empty())
1520                         break;
1521
1522                 // Automatically delete the currently selected
1523                 // text and replace it with what is being
1524                 // typed in now. Depends on lyxrc settings
1525                 // "auto_region_delete", which defaults to
1526                 // true (on).
1527
1528                 if (lyxrc.auto_region_delete) {
1529                         if (selection.set()) {
1530                                 cutSelection(false, false);
1531                                 update();
1532                         }
1533                         bv->haveSelection(false);
1534                 }
1535
1536                 bv->beforeChange(this);
1537                 LyXFont const old_font(real_current_font);
1538
1539                 string::const_iterator cit = cmd.argument.begin();
1540                 string::const_iterator end = cmd.argument.end();
1541                 for (; cit != end; ++cit)
1542                         bv->owner()->getIntl().getTransManager().
1543                                 TranslateAndInsert(*cit, this);
1544
1545                 update();
1546                 selection.cursor = cursor;
1547                 moveCursorUpdate(bv, false);
1548
1549                 // real_current_font.number can change so we need to
1550                 // update the minibuffer
1551                 if (old_font != real_current_font)
1552                         bv->owner()->view_state_changed();
1553                 break;
1554         }
1555
1556         case LFUN_HTMLURL: {
1557                 InsetCommandParams p("htmlurl");
1558                 string const data = InsetCommandMailer::params2string("url", p);
1559                 bv->owner()->getDialogs().show("url", data, 0);
1560                 break;
1561         }
1562
1563         case LFUN_URL: {
1564                 InsetCommandParams p("url");
1565                 string const data = InsetCommandMailer::params2string("url", p);
1566                 bv->owner()->getDialogs().show("url", data, 0);
1567                 break;
1568         }
1569
1570
1571 #if 0
1572         case LFUN_INSET_LIST:
1573         case LFUN_INSET_THEOREM:
1574         case LFUN_INSET_CAPTION:
1575 #endif
1576         case LFUN_INSERT_NOTE:
1577         case LFUN_INSERT_BIBITEM:
1578         case LFUN_INSET_ERT:
1579         case LFUN_INSET_FLOAT:
1580         case LFUN_INSET_FOOTNOTE:
1581         case LFUN_INSET_MARGINAL:
1582         case LFUN_INSET_MINIPAGE:
1583         case LFUN_INSET_OPTARG:
1584         case LFUN_INSET_WIDE_FLOAT:
1585         case LFUN_INSET_WRAP:
1586         case LFUN_TABULAR_INSERT:
1587         case LFUN_ENVIRONMENT_INSERT:
1588                 // Open the inset, and move the current selection
1589                 // inside it.
1590                 doInsertInset(this, cmd, true, true);
1591                 break;
1592
1593         case LFUN_INDEX_INSERT:
1594                 // Just open the inset
1595                 doInsertInset(this, cmd, true, false);
1596                 break;
1597
1598         case LFUN_INDEX_PRINT:
1599         case LFUN_TOC_INSERT:
1600         case LFUN_HFILL:
1601                 // do nothing fancy
1602                 doInsertInset(this, cmd, false, false);
1603                 break;
1604
1605         default:
1606                 return UNDISPATCHED;
1607         }
1608
1609         return DISPATCHED;
1610 }