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                                 FuncRequest cmd(bv, LFUN_INSET_EDIT, "left");
 390                                 inset->localDispatch(cmd);
 391                         }
 392                         if (gotsel && pastesel)
 393                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION));
 394                 }
 395                 else
 396                         delete inset;
 397         }
 398 }
 399
 400 }
 401
 402 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 403 {
 404         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 405                               <<"] arg[" << cmd.argument << ']' << endl;
 406
 407         BufferView * bv = cmd.view();
 408
 409         switch (cmd.action) {
 410
 411         case LFUN_APPENDIX: {
 412                 ParagraphList::iterator pit = cursor.par();
 413                 bool start = !pit->params().startOfAppendix();
 414
 415                 // ensure that we have only one start_of_appendix in this document
 416                 ParagraphList::iterator tmp = ownerParagraphs().begin();
 417                 ParagraphList::iterator end = ownerParagraphs().end();
 418
 419                 for (; tmp != end; ++tmp) {
 420                         if (tmp->params().startOfAppendix()) {
 421                                 setUndo(bv, Undo::EDIT, tmp, boost::next(tmp));
 422                                 tmp->params().startOfAppendix(false);
 423                                 int tmpy;
 424                                 setHeightOfRow(getRow(tmp, 0, tmpy));
 425                                 break;
 426                         }
 427                 }
 428
 429                 setUndo(bv, Undo::EDIT, pit, boost::next(pit));
 430                 pit->params().startOfAppendix(start);
 431
 432                 // we can set the refreshing parameters now
 433                 updateCounters();
 434                 redoHeightOfParagraph();
 435                 postPaint(0);
 436                 setCursor(cursor.par(), cursor.pos());
 437                 update();
 438                 break;
 439         }
 440
 441         case LFUN_DELETE_WORD_FORWARD:
 442                 bv->beforeChange(this);
 443                 update();
 444                 deleteWordForward();
 445                 update();
 446                 finishChange(bv);
 447                 break;
 448
 449         case LFUN_DELETE_WORD_BACKWARD:
 450                 bv->beforeChange(this);
 451                 update();
 452                 deleteWordBackward();
 453                 update();
 454                 finishChange(bv);
 455                 break;
 456
 457         case LFUN_DELETE_LINE_FORWARD:
 458                 bv->beforeChange(this);
 459                 update();
 460                 deleteLineForward();
 461                 update();
 462                 finishChange(bv);
 463                 break;
 464
 465         case LFUN_WORDRIGHT:
 466                 if (!selection.mark())
 467                         bv->beforeChange(this);
 468                 update();
 469                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 470                         cursorLeftOneWord();
 471                 else
 472                         cursorRightOneWord();
 473                 finishChange(bv);
 474                 break;
 475
 476         case LFUN_WORDLEFT:
 477                 if (!selection.mark())
 478                         bv->beforeChange(this);
 479                 update();
 480                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 481                         cursorRightOneWord();
 482                 else
 483                         cursorLeftOneWord();
 484                 finishChange(bv);
 485                 break;
 486
 487         case LFUN_BEGINNINGBUF:
 488                 if (!selection.mark())
 489                         bv->beforeChange(this);
 490                 update();
 491                 cursorTop();
 492                 finishChange(bv);
 493                 break;
 494
 495         case LFUN_ENDBUF:
 496                 if (selection.mark())
 497                         bv->beforeChange(this);
 498                 update();
 499                 cursorBottom();
 500                 finishChange(bv);
 501                 break;
 502
 503         case LFUN_RIGHTSEL:
 504                 update();
 505                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 506                         cursorLeft(bv);
 507                 else
 508                         cursorRight(bv);
 509                 finishChange(bv, true);
 510                 break;
 511
 512         case LFUN_LEFTSEL:
 513                 update();
 514                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 515                         cursorRight(bv);
 516                 else
 517                         cursorLeft(bv);
 518                 finishChange(bv, true);
 519                 break;
 520
 521         case LFUN_UPSEL:
 522                 update();
 523                 cursorUp(true);
 524                 finishChange(bv, true);
 525                 break;
 526
 527         case LFUN_DOWNSEL:
 528                 update();
 529                 cursorDown(true);
 530                 finishChange(bv, true);
 531                 break;
 532
 533         case LFUN_UP_PARAGRAPHSEL:
 534                 update();
 535                 cursorUpParagraph();
 536                 finishChange(bv, true);
 537                 break;
 538
 539         case LFUN_DOWN_PARAGRAPHSEL:
 540                 update();
 541                 cursorDownParagraph();
 542                 finishChange(bv, true);
 543                 break;
 544
 545         case LFUN_PRIORSEL:
 546                 update();
 547                 cursorPrevious();
 548                 finishChange(bv, true);
 549                 break;
 550
 551         case LFUN_NEXTSEL:
 552                 update();
 553                 cursorNext();
 554                 finishChange(bv, true);
 555                 break;
 556
 557         case LFUN_HOMESEL:
 558                 update();
 559                 cursorHome();
 560                 finishChange(bv, true);
 561                 break;
 562
 563         case LFUN_ENDSEL:
 564                 update();
 565                 cursorEnd();
 566                 finishChange(bv, true);
 567                 break;
 568
 569         case LFUN_WORDRIGHTSEL:
 570                 update();
 571                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 572                         cursorLeftOneWord();
 573                 else
 574                         cursorRightOneWord();
 575                 finishChange(bv, true);
 576                 break;
 577
 578         case LFUN_WORDLEFTSEL:
 579                 update();
 580                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 581                         cursorRightOneWord();
 582                 else
 583                         cursorLeftOneWord();
 584                 finishChange(bv, true);
 585                 break;
 586
 587         case LFUN_WORDSEL: {
 588                 update();
 589                 LyXCursor cur1;
 590                 LyXCursor cur2;
 591                 getWord(cur1, cur2, WHOLE_WORD);
 592                 setCursor(cur1.par(), cur1.pos());
 593                 bv->beforeChange(this);
 594                 setCursor(cur2.par(), cur2.pos());
 595                 finishChange(bv, true);
 596                 break;
 597         }
 598
 599         case LFUN_RIGHT: {
 600                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 601                 if (!selection.mark())
 602                         bv->beforeChange(this);
 603                 update();
 604                 if (is_rtl)
 605                         cursorLeft(false);
 606                 if (cursor.pos() < cursor.par()->size()
 607                     && cursor.par()->isInset(cursor.pos())
 608                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 609                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 610                         cmd.message(tmpinset->editMessage());
 611                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "left" : "right");
 612                         tmpinset->localDispatch(cmd1);
 613                         break;
 614                 }
 615                 if (!is_rtl)
 616                         cursorRight(false);
 617                 finishChange(bv);
 618                 break;
 619         }
 620
 621         case LFUN_LEFT: {
 622                 // This is soooo ugly. Isn`t it possible to make
 623                 // it simpler? (Lgb)
 624                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 625                 if (!selection.mark())
 626                         bv->beforeChange(this);
 627                 update();
 628                 LyXCursor const cur = cursor;
 629                 if (!is_rtl)
 630                         cursorLeft(false);
 631                 if ((is_rtl || cur != cursor) && // only if really moved!
 632                     cursor.pos() < cursor.par()->size() &&
 633                     cursor.par()->isInset(cursor.pos()) &&
 634                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 635                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 636                         cmd.message(tmpinset->editMessage());
 637                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "right" : "left");
 638                         tmpinset->localDispatch(cmd1);
 639                         break;
 640                 }
 641                 if (is_rtl)
 642                         cursorRight(false);
 643                 finishChange(bv);
 644                 break;
 645         }
 646
 647         case LFUN_UP:
 648                 if (!selection.mark())
 649                         bv->beforeChange(this);
 650                 bv->update(this, BufferView::UPDATE);
 651                 cursorUp(bv);
 652                 finishChange(bv);
 653                 break;
 654
 655         case LFUN_DOWN:
 656                 if (!selection.mark())
 657                         bv->beforeChange(this);
 658                 bv->update(this, BufferView::UPDATE);
 659                 cursorDown(bv);
 660                 finishChange(bv);
 661                 break;
 662
 663         case LFUN_UP_PARAGRAPH:
 664                 if (!selection.mark())
 665                         bv->beforeChange(this);
 666                 bv->update(this, BufferView::UPDATE);
 667                 cursorUpParagraph();
 668                 finishChange(bv);
 669                 break;
 670
 671         case LFUN_DOWN_PARAGRAPH:
 672                 if (!selection.mark())
 673                         bv->beforeChange(this);
 674                 bv->update(this, BufferView::UPDATE);
 675                 cursorDownParagraph();
 676                 finishChange(bv, false);
 677                 break;
 678
 679         case LFUN_PRIOR:
 680                 if (!selection.mark())
 681                         bv->beforeChange(this);
 682                 bv->update(this, BufferView::UPDATE);
 683                 cursorPrevious();
 684                 finishChange(bv, false);
 685                 // was:
 686                 // finishUndo();
 687                 // moveCursorUpdate(bv, false, false);
 688                 // owner_->view_state_changed();
 689                 break;
 690
 691         case LFUN_NEXT:
 692                 if (!selection.mark())
 693                         bv->beforeChange(this);
 694                 bv->update(this, BufferView::UPDATE);
 695                 cursorNext();
 696                 finishChange(bv, false);
 697                 break;
 698
 699         case LFUN_HOME:
 700                 if (!selection.mark())
 701                         bv->beforeChange(this);
 702                 update();
 703                 cursorHome();
 704                 finishChange(bv, false);
 705                 break;
 706
 707         case LFUN_END:
 708                 if (!selection.mark())
 709                         bv->beforeChange(this);
 710                 update();
 711                 cursorEnd();
 712                 finishChange(bv, false);
 713                 break;
 714
 715         case LFUN_BREAKLINE: {
 716                 lyx::pos_type body = cursor.par()->beginningOfBody();
 717
 718                 // Not allowed by LaTeX (labels or empty par)
 719                 if (cursor.pos() <= body)
 720                         break;
 721
 722                 bv->beforeChange(this);
 723                 insertInset(new InsetNewline);
 724                 update();
 725                 setCursor(cursor.par(), cursor.pos());
 726                 moveCursorUpdate(bv, false);
 727                 break;
 728         }
 729
 730         case LFUN_DELETE:
 731                 if (!selection.set()) {
 732                         Delete();
 733                         selection.cursor = cursor;
 734                         update();
 735                         // It is possible to make it a lot faster still
 736                         // just comment out the line below...
 737                 } else {
 738                         update();
 739                         cutSelection(bv, true);
 740                         update();
 741                 }
 742                 moveCursorUpdate(bv, false);
 743                 bv->owner()->view_state_changed();
 744                 bv->switchKeyMap();
 745                 break;
 746
 747         case LFUN_DELETE_SKIP:
 748                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 749                 if (!selection.set()) {
 750                         LyXCursor cur = cursor;
 751                         if (cur.pos() == cur.par()->size()) {
 752                                 cursorRight(bv);
 753                                 cur = cursor;
 754                                 if (cur.pos() == 0
 755                                     && !(cur.par()->params().spaceTop()
 756                                          == VSpace (VSpace::NONE))) {
 757                                         setParagraph(
 758                                                  cur.par()->params().lineTop(),
 759                                                  cur.par()->params().lineBottom(),
 760                                                  cur.par()->params().pagebreakTop(),
 761                                                  cur.par()->params().pagebreakBottom(),
 762                                                  VSpace(VSpace::NONE),
 763                                                  cur.par()->params().spaceBottom(),
 764                                                  cur.par()->params().spacing(),
 765                                                  cur.par()->params().align(),
 766                                                  cur.par()->params().labelWidthString(), 0);
 767                                         cursorLeft(bv);
 768                                         update();
 769                                 } else {
 770                                         cursorLeft(bv);
 771                                         Delete();
 772                                         selection.cursor = cursor;
 773                                 }
 774                         } else {
 775                                 Delete();
 776                                 selection.cursor = cursor;
 777                         }
 778                 } else {
 779                         update();
 780                         cutSelection(bv, true);
 781                 }
 782                 update();
 783                 break;
 784
 785
 786         case LFUN_BACKSPACE:
 787                 if (!selection.set()) {
 788                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 789                                 backspace();
 790                                 selection.cursor = cursor;
 791                                 update();
 792                                 // It is possible to make it a lot faster still
 793                                 // just comment out the line below...
 794                         }
 795                 } else {
 796                         update();
 797                         cutSelection(bv, true);
 798                         update();
 799                 }
 800                 bv->owner()->view_state_changed();
 801                 bv->switchKeyMap();
 802                 break;
 803
 804         case LFUN_BACKSPACE_SKIP:
 805                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 806                 if (!selection.set()) {
 807                         LyXCursor cur = cursor;
 808                         if (cur.pos() == 0
 809                             && !(cur.par()->params().spaceTop()
 810                                  == VSpace (VSpace::NONE))) {
 811                                 setParagraph(
 812                                          cur.par()->params().lineTop(),
 813                                          cur.par()->params().lineBottom(),
 814                                          cur.par()->params().pagebreakTop(),
 815                                          cur.par()->params().pagebreakBottom(),
 816                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 817                                          cur.par()->params().spacing(),
 818                                          cur.par()->params().align(),
 819                                          cur.par()->params().labelWidthString(), 0);
 820                         } else {
 821                                 backspace();
 822                                 selection.cursor = cur;
 823                         }
 824                 } else {
 825                         update();
 826                         cutSelection(bv, true);
 827                 }
 828                 update();
 829                 break;
 830
 831         case LFUN_BREAKPARAGRAPH:
 832                 bv->beforeChange(this);
 833                 breakParagraph(bv->buffer()->paragraphs, 0);
 834                 update();
 835                 selection.cursor = cursor;
 836                 bv->switchKeyMap();
 837                 bv->owner()->view_state_changed();
 838                 break;
 839
 840         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 841                 bv->beforeChange(this);
 842                 breakParagraph(bv->buffer()->paragraphs, 1);
 843                 update();
 844                 selection.cursor = cursor;
 845                 bv->switchKeyMap();
 846                 bv->owner()->view_state_changed();
 847                 break;
 848
 849         case LFUN_BREAKPARAGRAPH_SKIP: {
 850                 // When at the beginning of a paragraph, remove
 851                 // indentation and add a "defskip" at the top.
 852                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 853                 LyXCursor cur = cursor;
 854                 bv->beforeChange(this);
 855                 if (cur.pos() == 0) {
 856                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 857                                 setParagraph(
 858                                          cur.par()->params().lineTop(),
 859                                          cur.par()->params().lineBottom(),
 860                                          cur.par()->params().pagebreakTop(),
 861                                          cur.par()->params().pagebreakBottom(),
 862                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 863                                          cur.par()->params().spacing(),
 864                                          cur.par()->params().align(),
 865                                          cur.par()->params().labelWidthString(), 1);
 866                         }
 867                 }
 868                 else {
 869                         breakParagraph(bv->buffer()->paragraphs, 0);
 870                 }
 871                 update();
 872                 selection.cursor = cur;
 873                 bv->switchKeyMap();
 874                 bv->owner()->view_state_changed();
 875                 break;
 876         }
 877
 878         case LFUN_PARAGRAPH_SPACING: {
 879                 ParagraphList::iterator pit = cursor.par();
 880                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
 881                 float cur_value = 1.0;
 882                 if (cur_spacing == Spacing::Other)
 883                         cur_value = pit->params().spacing().getValue();
 884
 885                 istringstream is(STRCONV(cmd.argument));
 886                 string tmp;
 887                 is >> tmp;
 888                 Spacing::Space new_spacing = cur_spacing;
 889                 float new_value = cur_value;
 890                 if (tmp.empty()) {
 891                         lyxerr << "Missing argument to `paragraph-spacing'"
 892                                << endl;
 893                 } else if (tmp == "single") {
 894                         new_spacing = Spacing::Single;
 895                 } else if (tmp == "onehalf") {
 896                         new_spacing = Spacing::Onehalf;
 897                 } else if (tmp == "double") {
 898                         new_spacing = Spacing::Double;
 899                 } else if (tmp == "other") {
 900                         new_spacing = Spacing::Other;
 901                         float tmpval = 0.0;
 902                         is >> tmpval;
 903                         lyxerr << "new_value = " << tmpval << endl;
 904                         if (tmpval != 0.0)
 905                                 new_value = tmpval;
 906                 } else if (tmp == "default") {
 907                         new_spacing = Spacing::Default;
 908                 } else {
 909                         lyxerr << _("Unknown spacing argument: ")
 910                                << cmd.argument << endl;
 911                 }
 912                 if (cur_spacing != new_spacing || cur_value != new_value) {
 913                         pit->params().spacing(Spacing(new_spacing, new_value));
 914                         redoParagraph();
 915                         update();
 916                 }
 917                 break;
 918         }
 919
 920         case LFUN_INSET_SETTINGS:
 921                 lyx::Assert(bv->theLockingInset());
 922                 bv->theLockingInset()->getLockingInset()->showInsetDialog(bv);
 923                 break;
 924
 925         case LFUN_INSET_TOGGLE:
 926                 bv->beforeChange(this);
 927                 update();
 928                 toggleInset();
 929                 update();
 930                 bv->switchKeyMap();
 931                 break;
 932
 933         case LFUN_SPACE_INSERT:
 934                 if (cursor.par()->layout()->free_spacing) {
 935                         insertChar(' ');
 936                         update();
 937                 } else {
 938                         doInsertInset(this, cmd, false, false);
 939                 }
 940                 moveCursorUpdate(bv, false);
 941                 break;
 942
 943         case LFUN_HYPHENATION:
 944                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 945                 break;
 946
 947         case LFUN_LIGATURE_BREAK:
 948                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 949                 break;
 950
 951         case LFUN_LDOTS:
 952                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 953                 break;
 954
 955         case LFUN_END_OF_SENTENCE:
 956                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 957                 break;
 958
 959         case LFUN_MENU_SEPARATOR:
 960                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 961                 break;
 962
 963         case LFUN_MARK_OFF:
 964                 bv->beforeChange(this);
 965                 update();
 966                 selection.cursor = cursor;
 967                 cmd.message(N_("Mark off"));
 968                 break;
 969
 970         case LFUN_MARK_ON:
 971                 bv->beforeChange(this);
 972                 selection.mark(true);
 973                 update();
 974                 selection.cursor = cursor;
 975                 cmd.message(N_("Mark on"));
 976                 break;
 977
 978         case LFUN_SETMARK:
 979                 bv->beforeChange(this);
 980                 if (selection.mark()) {
 981                         update();
 982                         cmd.message(N_("Mark removed"));
 983                 } else {
 984                         selection.mark(true);
 985                         update();
 986                         cmd.message(N_("Mark set"));
 987                 }
 988                 selection.cursor = cursor;
 989                 break;
 990
 991         case LFUN_UPCASE_WORD:
 992                 update();
 993                 changeCase(LyXText::text_uppercase);
 994                 if (inset_owner)
 995                         bv->updateInset(inset_owner);
 996                 update();
 997                 break;
 998
 999         case LFUN_LOWCASE_WORD:
1000                 update();
1001                 changeCase(LyXText::text_lowercase);
1002                 if (inset_owner)
1003                         bv->updateInset(inset_owner);
1004                 update();
1005                 break;
1006
1007         case LFUN_CAPITALIZE_WORD:
1008                 update();
1009                 changeCase(LyXText::text_capitalization);
1010                 if (inset_owner)
1011                         bv->updateInset(inset_owner);
1012                 update();
1013                 break;
1014
1015         case LFUN_TRANSPOSE_CHARS:
1016                 update();
1017                 transposeChars(*this, cursor);
1018                 if (inset_owner)
1019                         bv->updateInset(inset_owner);
1020                 update();
1021                 break;
1022
1023         case LFUN_PASTE:
1024                 cmd.message(_("Paste"));
1025                 // clear the selection
1026                 bv->toggleSelection();
1027                 clearSelection();
1028                 update();
1029                 pasteSelection();
1030                 clearSelection(); // bug 393
1031                 update();
1032                 bv->switchKeyMap();
1033                 break;
1034
1035         case LFUN_CUT:
1036                 update();
1037                 cutSelection(bv, true);
1038                 update();
1039                 cmd.message(_("Cut"));
1040                 break;
1041
1042         case LFUN_COPY:
1043                 copySelection();
1044                 cmd.message(_("Copy"));
1045                 break;
1046
1047         case LFUN_BEGINNINGBUFSEL:
1048                 if (inset_owner)
1049                         return UNDISPATCHED;
1050                 update();
1051                 cursorTop();
1052                 finishChange(bv, true);
1053                 break;
1054
1055         case LFUN_ENDBUFSEL:
1056                 if (inset_owner)
1057                         return UNDISPATCHED;
1058                 update();
1059                 cursorBottom();
1060                 finishChange(bv, true);
1061                 break;
1062
1063         case LFUN_GETXY:
1064                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1065                 break;
1066
1067         case LFUN_SETXY: {
1068                 int x = 0;
1069                 int y = 0;
1070                 istringstream is(STRCONV(cmd.argument));
1071                 is >> x >> y;
1072                 if (!is)
1073                         lyxerr << "SETXY: Could not parse coordinates in '"
1074                                << cmd.argument << std::endl;
1075                 else
1076                         setCursorFromCoordinates(x, y);
1077                 break;
1078         }
1079
1080         case LFUN_GETFONT:
1081                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1082                         cmd.message("E");
1083                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1084                         cmd.message("N");
1085                 else
1086                         cmd.message("0");
1087                 break;
1088
1089         case LFUN_GETLAYOUT:
1090                 cmd.message(tostr(cursor.par()->layout()));
1091                 break;
1092
1093         case LFUN_LAYOUT: {
1094                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1095                   << cmd.argument << endl;
1096
1097                 // This is not the good solution to the empty argument
1098                 // problem, but it will hopefully suffice for 1.2.0.
1099                 // The correct solution would be to augument the
1100                 // function list/array with information about what
1101                 // functions needs arguments and their type.
1102                 if (cmd.argument.empty()) {
1103                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1104                         break;
1105                 }
1106
1107                 // Derive layout number from given argument (string)
1108                 // and current buffer's textclass (number)
1109                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1110                 bool hasLayout = tclass.hasLayout(cmd.argument);
1111                 string layout = cmd.argument;
1112
1113                 // If the entry is obsolete, use the new one instead.
1114                 if (hasLayout) {
1115                         string const & obs = tclass[layout]->obsoleted_by();
1116                         if (!obs.empty())
1117                                 layout = obs;
1118                 }
1119
1120                 if (!hasLayout) {
1121                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1122                                 N_(" not known"));
1123                         break;
1124                 }
1125
1126                 bool change_layout = (current_layout != layout);
1127
1128                 if (!change_layout && selection.set() &&
1129                         selection.start.par() != selection.end.par())
1130                 {
1131                         ParagraphList::iterator spit = selection.start.par();
1132                         ParagraphList::iterator epit = boost::next(selection.end.par());
1133                         while (spit != epit) {
1134                                 if (spit->layout()->name() != current_layout) {
1135                                         change_layout = true;
1136                                         break;
1137                                 }
1138                                 ++spit;
1139                         }
1140                 }
1141
1142                 if (change_layout) {
1143                         current_layout = layout;
1144                         update();
1145                         setLayout(layout);
1146                         bv->owner()->setLayout(layout);
1147                         update();
1148                         bv->switchKeyMap();
1149                 }
1150                 break;
1151         }
1152
1153         case LFUN_PASTESELECTION: {
1154                 if (!bv->buffer())
1155                         break;
1156                 // this was originally a beforeChange(bv->text), i.e
1157                 // the outermost LyXText!
1158                 bv->beforeChange(this);
1159                 string const clip = bv->getClipboard();
1160                 if (!clip.empty()) {
1161                         if (cmd.argument == "paragraph")
1162                                 insertStringAsParagraphs(clip);
1163                         else
1164                                 insertStringAsLines(clip);
1165                         clearSelection();
1166                         update();
1167                 }
1168                 break;
1169         }
1170
1171         case LFUN_GOTOERROR:
1172                 gotoInset(Inset::ERROR_CODE, false);
1173                 break;
1174
1175         case LFUN_GOTONOTE:
1176                 gotoInset(Inset::NOTE_CODE, false);
1177                 break;
1178
1179         case LFUN_REFERENCE_GOTO:
1180         {
1181                 vector<Inset::Code> tmp;
1182                 tmp.push_back(Inset::LABEL_CODE);
1183                 tmp.push_back(Inset::REF_CODE);
1184                 gotoInset(tmp, true);
1185                 break;
1186         }
1187
1188         case LFUN_QUOTE: {
1189                 ParagraphList::iterator pit = cursor.par();
1190                 lyx::pos_type pos = cursor.pos();
1191                 char c;
1192                 if (!pos)
1193                         c = ' ';
1194                 else if (pit->isInset(pos - 1) && pit->getInset(pos - 1)->isSpace())
1195                         c = ' ';
1196                 else
1197                         c = pit->getChar(pos - 1);
1198
1199                 LyXLayout_ptr const & style = pit->layout();
1200
1201                 if (style->pass_thru ||
1202                                 pit->getFontSettings(bv->buffer()->params,
1203                                          pos).language()->lang() == "hebrew" ||
1204                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1205                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1206                 break;
1207         }
1208
1209         case LFUN_DATE_INSERT: {
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                         }
1240                         cursorHome();
1241                         selection.cursor = cursor;
1242                         cursorEnd();
1243                         setSelection();
1244                         if (!isInInset())
1245                                 bv->screen().toggleSelection(this, bv, false);
1246                         update();
1247                         bv->haveSelection(selection.set());
1248                 }
1249                 break;
1250
1251         case LFUN_MOUSE_DOUBLE:
1252                 if (!bv->buffer())
1253                         break;
1254                 if (!isInInset() && bv->theLockingInset())
1255                         break;
1256                 if (cmd.button() == mouse_button::button1) {
1257                         if (!isInInset()) {
1258                                 bv->screen().toggleSelection(this, bv);
1259                                 selectWord(LyXText::WHOLE_WORD_STRICT);
1260                                 bv->screen().toggleSelection(this, bv, false);
1261                         } else {
1262                                 selectWord(LyXText::WHOLE_WORD_STRICT);
1263                         }
1264                         update();
1265                         bv->haveSelection(selection.set());
1266                 }
1267                 break;
1268
1269         case LFUN_MOUSE_MOTION:
1270         {
1271                 // Only use motion with button 1
1272                 //if (ev.button() != mouse_button::button1)
1273                 //      return false;
1274
1275                 if (!bv->buffer())
1276                         break;
1277
1278                 // Check for inset locking
1279                 if (bv->theLockingInset()) {
1280                         Inset * tli = bv->theLockingInset();
1281                         LyXCursor cursor = bv->text->cursor;
1282                         LyXFont font = bv->text->getFont(bv->buffer(),
1283                                                          cursor.par(), cursor.pos());
1284                         int width = tli->width(bv, font);
1285                         int inset_x = font.isVisibleRightToLeft()
1286                                 ? cursor.ix() - width : cursor.ix();
1287                         int start_x = inset_x + tli->scroll();
1288                         FuncRequest cmd1 = cmd;
1289                         cmd1.x = cmd.x - start_x;
1290                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1291                         tli->localDispatch(cmd1);
1292                         break;
1293                 }
1294
1295                 // The test for not selection possible is needed, that only motion
1296                 // events are used, where the bottom press event was on
1297                 //  the drawing area too
1298                 if (!selection_possible) {
1299                         lyxerr[Debug::ACTION]
1300                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1301                         break;
1302                 }
1303
1304                 RowList::iterator cursorrow = bv->text->cursor.row();
1305                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->text->top_y());
1306         #if 0
1307                 // sorry for this but I have a strange error that the y value jumps at
1308                 // a certain point. This seems like an error in my xforms library or
1309                 // in some other local environment, but I would like to leave this here
1310                 // for the moment until I can remove this (Jug 20020418)
1311                 if (y_before < bv->text->cursor.y())
1312                         lyxerr << y_before << ':'
1313                                << bv->text->cursor.y() << endl;
1314         #endif
1315                 // This is to allow jumping over large insets
1316                 if (cursorrow == bv->text->cursor.row()) {
1317                         if (cmd.y >= bv->workHeight())
1318                                 bv->text->cursorDown(false);
1319                         else if (cmd.y < 0)
1320                                 bv->text->cursorUp(false);
1321                 }
1322
1323                 // Maybe an empty line was deleted
1324                 if (!bv->text->selection.set())
1325                         bv->update(BufferView::UPDATE);
1326                 bv->text->setSelection();
1327                 bv->screen().toggleToggle(bv->text, bv);
1328                 bv->fitCursor();
1329                 break;
1330         }
1331
1332         // Single-click on work area
1333         case LFUN_MOUSE_PRESS:
1334         {
1335                 if (!bv->buffer())
1336                         break;
1337
1338                 // ok ok, this is a hack (for xforms)
1339                 // We shouldn't go further down as we really should only do the
1340                 // scrolling and be done with this. Otherwise we may open some
1341                 // dialogs (Jug 20020424).
1342                 if (cmd.button() == mouse_button::button4) {
1343                         bv->scroll(-lyxrc.wheel_jump);
1344                         break;
1345                 }
1346                 if (cmd.button() == mouse_button::button5) {
1347                         bv->scroll(lyxrc.wheel_jump);
1348                         break;
1349                 }
1350
1351                 int x = cmd.x;
1352                 int y = cmd.y;
1353                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1354
1355                 // Middle button press pastes if we have a selection
1356                 // We do this here as if the selection was inside an inset
1357                 // it could get cleared on the unlocking of the inset so
1358                 // we have to check this first
1359                 bool paste_internally = false;
1360                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1361                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1362                         paste_internally = true;
1363                 }
1364
1365                 int const screen_first = bv->text->top_y();
1366
1367                 if (bv->theLockingInset()) {
1368                         // We are in inset locking mode
1369
1370                         // Check whether the inset was hit. If not reset mode,
1371                         // otherwise give the event to the inset
1372                         if (inset_hit == bv->theLockingInset()) {
1373                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1374                                 bv->theLockingInset()->localDispatch(cmd1);
1375                                 break;
1376                         }
1377                         bv->unlockInset(bv->theLockingInset());
1378                 }
1379
1380                 if (!inset_hit)
1381                         selection_possible = true;
1382
1383                 // Clear the selection
1384                 bv->screen().toggleSelection(bv->text, bv);
1385                 bv->text->clearSelection();
1386                 bv->text->fullRebreak();
1387                 bv->update();
1388                 bv->updateScrollbar();
1389
1390                 // Single left click in math inset?
1391                 if (isHighlyEditableInset(inset_hit)) {
1392                         // Highly editable inset, like math
1393                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1394                         selection_possible = false;
1395                         bv->owner()->message(inset->editMessage());
1396                         // We just have to lock the inset before calling a PressEvent on it!
1397                         if (!bv->lockInset(inset))
1398                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1399                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1400                         inset->localDispatch(cmd1);
1401                         break;
1402                 }
1403                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1404
1405                 // Right click on a footnote flag opens float menu
1406                 if (cmd.button() == mouse_button::button3) {
1407                         selection_possible = false;
1408                         break;
1409                 }
1410
1411                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1412                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1413                 finishUndo();
1414                 bv->text->selection.cursor = bv->text->cursor;
1415                 bv->text->cursor.x_fix(bv->text->cursor.x());
1416
1417                 if (bv->fitCursor())
1418                         selection_possible = false;
1419
1420                 // Insert primary selection with middle mouse
1421                 // if there is a local selection in the current buffer,
1422                 // insert this
1423                 if (cmd.button() == mouse_button::button2) {
1424                         if (paste_internally)
1425                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1426                         else
1427                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1428                         selection_possible = false;
1429                 }
1430                 break;
1431         }
1432
1433         case LFUN_MOUSE_RELEASE:
1434         {
1435                 // do nothing if we used the mouse wheel
1436                 if (!bv->buffer())
1437                         break;
1438
1439                 if (cmd.button() == mouse_button::button4
1440                  || cmd.button() == mouse_button::button5)
1441                         break;
1442
1443                 // If we hit an inset, we have the inset coordinates in these
1444                 // and inset_hit points to the inset.  If we do not hit an
1445                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1446                 int x = cmd.x;
1447                 int y = cmd.y;
1448                 Inset * inset_hit = bv->text->checkInsetHit(x, y);
1449
1450                 if (bv->theLockingInset()) {
1451                         // We are in inset locking mode.
1452
1453                         // LyX does a kind of work-area grabbing for insets.
1454                         // Only a ButtonPress FuncRequest outside the inset will
1455                         // force a insetUnlock.
1456                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1457                         bv->theLockingInset()->localDispatch(cmd1);
1458                         break;
1459                 }
1460
1461                 selection_possible = false;
1462
1463                 if (cmd.button() == mouse_button::button2)
1464                         break;
1465
1466                 // finish selection
1467                 if (cmd.button() == mouse_button::button1)
1468                         bv->haveSelection(selection.set());
1469
1470                 bv->switchKeyMap();
1471                 bv->owner()->view_state_changed();
1472                 bv->owner()->updateMenubar();
1473                 bv->owner()->updateToolbar();
1474
1475                 // Did we hit an editable inset?
1476                 if (inset_hit) {
1477                         selection_possible = false;
1478
1479                         // if we reach this point with a selection, it
1480                         // must mean we are currently selecting.
1481                         // But we don't want to open the inset
1482                         // because that is annoying for the user.
1483                         // So just pretend we didn't hit it.
1484                         // this is OK because a "kosher" ButtonRelease
1485                         // will follow a ButtonPress that clears
1486                         // the selection.
1487                         // Note this also fixes selection drawing
1488                         // problems if we end up opening an inset
1489                         if (selection.set())
1490                                 break;
1491
1492                         // CHECK fix this proper in 0.13
1493                         // well, maybe 13.0 !!!!!!!!!
1494
1495                         // Following a ref shouldn't issue
1496                         // a push on the undo-stack
1497                         // anylonger, now that we have
1498                         // keybindings for following
1499                         // references and returning from
1500                         // references.  IMHO though, it
1501                         // should be the inset's own business
1502                         // to push or not push on the undo
1503                         // stack. They don't *have* to
1504                         // alter the document...
1505                         // (Joacim)
1506                         // ...or maybe the SetCursorParUndo()
1507                         // below isn't necessary at all anylonger?
1508                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1509                                 setCursorParUndo(bv);
1510
1511                         bv->owner()->message(inset_hit->editMessage());
1512
1513                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1514                         inset_hit->localDispatch(cmd1);
1515                 }
1516
1517                 break;
1518         }
1519
1520         case LFUN_SELFINSERT: {
1521                 if (cmd.argument.empty())
1522                         break;
1523
1524                 // Automatically delete the currently selected
1525                 // text and replace it with what is being
1526                 // typed in now. Depends on lyxrc settings
1527                 // "auto_region_delete", which defaults to
1528                 // true (on).
1529
1530                 if (lyxrc.auto_region_delete) {
1531                         if (selection.set()) {
1532                                 cutSelection(false, false);
1533                                 update();
1534                         }
1535                         bv->haveSelection(false);
1536                 }
1537
1538                 bv->beforeChange(this);
1539                 LyXFont const old_font(real_current_font);
1540
1541                 string::const_iterator cit = cmd.argument.begin();
1542                 string::const_iterator end = cmd.argument.end();
1543                 for (; cit != end; ++cit)
1544                         bv->owner()->getIntl().getTransManager().
1545                                 TranslateAndInsert(*cit, this);
1546
1547                 update();
1548                 selection.cursor = cursor;
1549                 moveCursorUpdate(bv, false);
1550
1551                 // real_current_font.number can change so we need to
1552                 // update the minibuffer
1553                 if (old_font != real_current_font)
1554                         bv->owner()->view_state_changed();
1555                 break;
1556         }
1557
1558         case LFUN_HTMLURL: {
1559                 InsetCommandParams p("htmlurl");
1560                 string const data = InsetCommandMailer::params2string("url", p);
1561                 bv->owner()->getDialogs().show("url", data, 0);
1562                 break;
1563         }
1564
1565         case LFUN_URL: {
1566                 InsetCommandParams p("url");
1567                 string const data = InsetCommandMailer::params2string("url", p);
1568                 bv->owner()->getDialogs().show("url", data, 0);
1569                 break;
1570         }
1571
1572
1573 #if 0
1574         case LFUN_INSET_LIST:
1575         case LFUN_INSET_THEOREM:
1576         case LFUN_INSET_CAPTION:
1577 #endif
1578         case LFUN_INSERT_NOTE:
1579         case LFUN_INSERT_BIBITEM:
1580         case LFUN_INSET_ERT:
1581         case LFUN_INSET_FLOAT:
1582         case LFUN_INSET_FOOTNOTE:
1583         case LFUN_INSET_MARGINAL:
1584         case LFUN_INSET_MINIPAGE:
1585         case LFUN_INSET_OPTARG:
1586         case LFUN_INSET_WIDE_FLOAT:
1587         case LFUN_INSET_WRAP:
1588         case LFUN_TABULAR_INSERT:
1589         case LFUN_ENVIRONMENT_INSERT:
1590                 // Open the inset, and move the current selection
1591                 // inside it.
1592                 doInsertInset(this, cmd, true, true);
1593                 break;
1594
1595         case LFUN_INDEX_INSERT:
1596                 // Just open the inset
1597                 doInsertInset(this, cmd, true, false);
1598                 break;
1599
1600         case LFUN_INDEX_PRINT:
1601         case LFUN_PARENTINSERT:
1602         case LFUN_TOC_INSERT:
1603         case LFUN_HFILL:
1604                 // do nothing fancy
1605                 doInsertInset(this, cmd, false, false);
1606                 break;
1607
1608         default:
1609                 return UNDISPATCHED;
1610         }
1611
1612         return DISPATCHED;
1613 }