src/text3.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2002 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "lyxtext.h"
  14 #include "lyxrow.h"
  15 #include "paragraph.h"
  16 #include "BufferView.h"
  17 #include "funcrequest.h"
  18 #include "lyxrc.h"
  19 #include "debug.h"
  20 #include "bufferparams.h"
  21 #include "buffer.h"
  22 #include "ParagraphParameters.h"
  23 #include "gettext.h"
  24 #include "factory.h"
  25 #include "intl.h"
  26 #include "box.h"
  27 #include "language.h"
  28 #include "support/lstrings.h"
  29 #include "frontends/LyXView.h"
  30 #include "frontends/screen.h"
  31 #include "frontends/Dialogs.h"
  32 #include "insets/insetspecialchar.h"
  33 #include "insets/insettext.h"
  34 #include "insets/insetbib.h"
  35 #include "insets/insetquotes.h"
  36 #include "insets/insetcommand.h"
  37 #include "undo_funcs.h"
  38
  39 #include <ctime>
  40 #include <clocale>
  41
  42 using std::endl;
  43 using std::find;
  44 using std::vector;
  45
  46 extern string current_layout;
  47 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  48
  49 // the selection possible is needed, that only motion events are
  50 // used, where the bottom press event was on the drawing area too
  51 bool selection_possible = false;
  52
  53
  54 namespace {
  55
  56         void moveCursorUpdate(BufferView * bv, bool selecting)
  57         {
  58                 LyXText * lt = bv->getLyXText();
  59
  60                 if (selecting || lt->selection.mark()) {
  61                         lt->setSelection(bv);
  62                         if (lt->bv_owner)
  63                                 bv->toggleToggle();
  64                         else
  65                                 bv->updateInset(lt->inset_owner, false);
  66                 }
  67                 if (lt->bv_owner) {
  68                         //if (fitcur)
  69                         //      bv->update(lt, BufferView::SELECT|BufferView::FITCUR);
  70                         //else
  71                         bv->update(lt, BufferView::SELECT|BufferView::FITCUR);
  72                         bv->showCursor();
  73                 } else if (bv->text->status() != LyXText::UNCHANGED) {
  74                         bv->theLockingInset()->hideInsetCursor(bv);
  75                         bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
  76                         bv->showCursor();
  77                 }
  78
  79                 if (!lt->selection.set())
  80                         bv->haveSelection(false);
  81
  82                 bv->switchKeyMap();
  83         }
  84
  85
  86         void finishChange(BufferView * bv, bool selecting = false)
  87         {
  88                 finishUndo();
  89                 moveCursorUpdate(bv, selecting);
  90                 bv->owner()->view_state_changed();
  91         }
  92
  93         // check if the given co-ordinates are inside an inset at the
  94         // given cursor, if one exists. If so, the inset is returned,
  95         // and the co-ordinates are made relative. Otherwise, 0 is returned.
  96         Inset * checkInset(BufferView * bv, LyXText const & text,
  97                 LyXCursor const & cur, int & x, int & y)
  98         {
  99                 lyx::pos_type const pos = cur.pos();
 100                 Paragraph /*const*/ & par = *cur.par();
 101
 102                 if (pos >= par.size() || !par.isInset(pos))
 103                         return 0;
 104
 105                 Inset /*const*/ * inset = par.getInset(pos);
 106
 107                 if (!isEditableInset(inset))
 108                         return 0;
 109
 110                 // get inset dimensions
 111                 lyx::Assert(par.getInset(pos));
 112
 113                 LyXFont const & font = text.getFont(bv->buffer(), &par, pos);
 114
 115                 int const width = inset->width(bv, font);
 116                 int const inset_x = font.isVisibleRightToLeft()
 117                         ? (cur.ix() - width) : cur.ix();
 118
 119                 Box b(
 120                         inset_x + inset->scroll(),
 121                         inset_x + width,
 122                         cur.iy() - inset->ascent(bv, font),
 123                         cur.iy() + inset->descent(bv, font)
 124                 );
 125
 126                 if (!b.contained(x, y)) {
 127                         lyxerr[Debug::GUI] << "Missed inset at x,y " << x << "," << y
 128                                 << " box " << b << endl;
 129                         return 0;
 130                 }
 131
 132                 text.setCursor(bv, &par, pos, true);
 133
 134                 x -= b.x1;
 135                 // The origin of an inset is on the baseline
 136                 y -= text.cursor.iy();
 137
 138                 return inset;
 139         }
 140
 141 } // anon namespace
 142
 143
 144 Inset * LyXText::checkInsetHit(BufferView * bv, int & x, int & y) const
 145 {
 146         int y_tmp = y + first_y;
 147
 148         LyXCursor cur;
 149         setCursorFromCoordinates(bv, cur, x, y_tmp);
 150
 151         Inset * inset = checkInset(bv, *this, cur, x, y_tmp);
 152         if (inset) {
 153                 y = y_tmp;
 154                 return inset;
 155         }
 156
 157         // look at previous position
 158         if (cur.pos() == 0)
 159                 return 0;
 160
 161         // move back one
 162         setCursor(bv, cur, cur.par(), cur.pos() - 1, true);
 163
 164         inset = checkInset(bv, *this, cur, x, y_tmp);
 165         if (inset)
 166                 y = y_tmp;
 167         return inset;
 168 }
 169
 170
 171 bool LyXText::gotoNextInset(BufferView * bv,
 172         vector<Inset::Code> const & codes, string const & contents) const
 173 {
 174         LyXCursor res = cursor;
 175         Inset * inset;
 176         do {
 177                 if (res.pos() < res.par()->size() - 1) {
 178                         res.pos(res.pos() + 1);
 179                 } else  {
 180                         res.par(res.par()->next());
 181                         res.pos(0);
 182                 }
 183
 184         } while (res.par() &&
 185                  !(res.par()->isInset(res.pos())
 186                    && (inset = res.par()->getInset(res.pos())) != 0
 187                    && find(codes.begin(), codes.end(), inset->lyxCode())
 188                    != codes.end()
 189                    && (contents.empty() ||
 190                        static_cast<InsetCommand *>(
 191                                                         res.par()->getInset(res.pos()))->getContents()
 192                        == contents)));
 193
 194         if (res.par()) {
 195                 setCursor(bv, res.par(), res.pos(), false);
 196                 return true;
 197         }
 198         return false;
 199 }
 200
 201
 202 void LyXText::gotoInset(BufferView * bv, vector<Inset::Code> const & codes,
 203                                   bool same_content)
 204 {
 205         bv->hideCursor();
 206         bv->beforeChange(this);
 207         update(bv, false);
 208
 209         string contents;
 210         if (same_content && 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(bv, codes, contents)) {
 218                 if (cursor.pos() || cursor.par() != ownerParagraph()) {
 219                         LyXCursor tmp = cursor;
 220                         cursor.par(ownerParagraph());
 221                         cursor.pos(0);
 222                         if (!gotoNextInset(bv, 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(bv, false);
 231         selection.cursor = cursor;
 232 }
 233
 234
 235 void LyXText::gotoInset(BufferView * bv, Inset::Code code, bool same_content)
 236 {
 237         gotoInset(bv, vector<Inset::Code>(1, code), same_content);
 238 }
 239
 240
 241 void LyXText::cursorPrevious(BufferView * bv)
 242 {
 243         if (!cursor.row()->previous()) {
 244                 if (first_y > 0) {
 245                         int new_y = bv->text->first_y - bv->workHeight();
 246                         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 247                         bv->updateScrollbar();
 248                 }
 249                 return;
 250         }
 251
 252         int y = first_y;
 253         Row * cursorrow = cursor.row();
 254
 255         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 256         finishUndo();
 257
 258         int new_y;
 259         if (cursorrow == bv->text->cursor.row()) {
 260                 // we have a row which is higher than the workarea so we leave the
 261                 // cursor on the start of the row and move only the draw up as soon
 262                 // as we move the cursor or do something while inside the row (it may
 263                 // span several workarea-heights) we'll move to the top again, but this
 264                 // is better than just jump down and only display part of the row.
 265                 new_y = bv->text->first_y - bv->workHeight();
 266         } else {
 267                 if (inset_owner) {
 268                         new_y = bv->text->cursor.iy()
 269                                 + bv->theLockingInset()->insetInInsetY() + y
 270                                 + cursor.row()->height()
 271                                 - bv->workHeight() + 1;
 272                 } else {
 273                         new_y = cursor.y()
 274                                 - cursor.row()->baseline()
 275                                 + cursor.row()->height()
 276                                 - bv->workHeight() + 1;
 277                 }
 278         }
 279         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 280         if (cursor.row()->previous()) {
 281                 LyXCursor cur;
 282                 setCursor(bv, cur, cursor.row()->previous()->par(),
 283                                                 cursor.row()->previous()->pos(), false);
 284                 if (cur.y() > first_y) {
 285                         cursorUp(bv, true);
 286                 }
 287         }
 288         bv->updateScrollbar();
 289 }
 290
 291
 292 void LyXText::cursorNext(BufferView * bv)
 293 {
 294         if (!cursor.row()->next()) {
 295                 int y = cursor.y() - cursor.row()->baseline() +
 296                         cursor.row()->height();
 297                 if (y > int(first_y + bv->workHeight())) {
 298                         bv->screen().draw(bv->text, bv,
 299                                                   bv->text->first_y + bv->workHeight());
 300                         bv->updateScrollbar();
 301                 }
 302                 return;
 303         }
 304
 305         int y = first_y + bv->workHeight();
 306         if (inset_owner && !first_y) {
 307                 y -= (bv->text->cursor.iy()
 308                           - bv->text->first_y
 309                           + bv->theLockingInset()->insetInInsetY());
 310         }
 311
 312         getRowNearY(y);
 313
 314         Row * cursorrow = cursor.row();
 315         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 316         // + bv->workHeight());
 317         finishUndo();
 318
 319         int new_y;
 320         if (cursorrow == bv->text->cursor.row()) {
 321                 // we have a row which is higher than the workarea so we leave the
 322                 // cursor on the start of the row and move only the draw down as soon
 323                 // as we move the cursor or do something while inside the row (it may
 324                 // span several workarea-heights) we'll move to the top again, but this
 325                 // is better than just jump down and only display part of the row.
 326                 new_y = bv->text->first_y + bv->workHeight();
 327         } else {
 328                 if (inset_owner) {
 329                         new_y = bv->text->cursor.iy()
 330                                 + bv->theLockingInset()->insetInInsetY()
 331                                 + y - cursor.row()->baseline();
 332                 } else {
 333                         new_y =  cursor.y() - cursor.row()->baseline();
 334                 }
 335         }
 336         bv->screen().draw(bv->text, bv, new_y);
 337         if (cursor.row()->next()) {
 338                 LyXCursor cur;
 339                 setCursor(bv, cur, cursor.row()->next()->par(),
 340                                                 cursor.row()->next()->pos(), false);
 341                 if (cur.y() < int(first_y + bv->workHeight())) {
 342                         cursorDown(bv, true);
 343                 }
 344         }
 345         bv->updateScrollbar();
 346 }
 347
 348
 349 void LyXText::update(BufferView * bv, bool changed)
 350 {
 351         BufferView::UpdateCodes c = BufferView::SELECT | BufferView::FITCUR;
 352         if (changed)
 353                 bv->update(this, c | BufferView::CHANGE);
 354         else
 355                 bv->update(this, c);
 356 }
 357
 358
 359 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 360 {
 361         bv->hideCursor();
 362         lt->update(bv);
 363         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 364         if (!bv->insertInset(new_inset))
 365                 delete new_inset;
 366         else
 367                 bv->updateInset(new_inset, true);
 368 }
 369
 370
 371 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 372 {
 373         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 374                               <<"] arg[" << cmd.argument << "]" << endl;
 375
 376         BufferView * bv = cmd.view();
 377
 378         switch (cmd.action) {
 379
 380         case LFUN_APPENDIX: {
 381                 Paragraph * par = cursor.par();
 382                 bool start = !par->params().startOfAppendix();
 383
 384                 // ensure that we have only one start_of_appendix in this document
 385                 Paragraph * tmp = ownerParagraph();
 386                 for (; tmp; tmp = tmp->next())
 387                         tmp->params().startOfAppendix(false);
 388
 389                 par->params().startOfAppendix(start);
 390
 391                 // we can set the refreshing parameters now
 392                 status(cmd.view(), LyXText::NEED_MORE_REFRESH);
 393                 refresh_y = 0;
 394                 refresh_row = 0; // not needed for full update
 395                 updateCounters(cmd.view());
 396                 setCursor(cmd.view(), cursor.par(), cursor.pos());
 397                 update(bv);
 398                 break;
 399         }
 400
 401         case LFUN_DELETE_WORD_FORWARD:
 402                 bv->beforeChange(this);
 403                 update(bv, false);
 404                 deleteWordForward(bv);
 405                 update(bv);
 406                 finishChange(bv);
 407                 break;
 408
 409         case LFUN_DELETE_WORD_BACKWARD:
 410                 bv->beforeChange(this);
 411                 update(bv, false);
 412                 deleteWordBackward(bv);
 413                 update(bv, true);
 414                 finishChange(bv);
 415                 break;
 416
 417         case LFUN_DELETE_LINE_FORWARD:
 418                 bv->beforeChange(this);
 419                 update(bv, false);
 420                 deleteLineForward(bv);
 421                 update(bv);
 422                 finishChange(bv);
 423                 break;
 424
 425         case LFUN_SHIFT_TAB:
 426         case LFUN_TAB:
 427                 if (!selection.mark())
 428                         bv->beforeChange(this);
 429                 update(bv, false);
 430                 cursorTab(bv);
 431                 finishChange(bv);
 432                 break;
 433
 434         case LFUN_WORDRIGHT:
 435                 if (!selection.mark())
 436                         bv->beforeChange(this);
 437                 update(bv, false);
 438                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 439                         cursorLeftOneWord(bv);
 440                 else
 441                         cursorRightOneWord(bv);
 442                 finishChange(bv);
 443                 break;
 444
 445         case LFUN_WORDLEFT:
 446                 if (!selection.mark())
 447                         bv->beforeChange(this);
 448                 update(bv, false);
 449                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 450                         cursorRightOneWord(bv);
 451                 else
 452                         cursorLeftOneWord(bv);
 453                 finishChange(bv);
 454                 break;
 455
 456         case LFUN_BEGINNINGBUF:
 457                 if (!selection.mark())
 458                         bv->beforeChange(this);
 459                 update(bv, false);
 460                 cursorTop(bv);
 461                 finishChange(bv);
 462                 break;
 463
 464         case LFUN_ENDBUF:
 465                 if (selection.mark())
 466                         bv->beforeChange(this);
 467                 update(bv, false);
 468                 cursorBottom(bv);
 469                 finishChange(bv);
 470                 break;
 471
 472         case LFUN_RIGHTSEL:
 473                 update(bv, false);
 474                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 475                         cursorLeft(bv);
 476                 else
 477                         cursorRight(bv);
 478                 finishChange(bv, true);
 479                 break;
 480
 481         case LFUN_LEFTSEL:
 482                 update(bv, false);
 483                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 484                         cursorRight(bv);
 485                 else
 486                         cursorLeft(bv);
 487                 finishChange(bv, true);
 488                 break;
 489
 490         case LFUN_UPSEL:
 491                 update(bv, false);
 492                 cursorUp(bv, true);
 493                 finishChange(bv, true);
 494                 break;
 495
 496         case LFUN_DOWNSEL:
 497                 update(bv, false);
 498                 cursorDown(bv, true);
 499                 finishChange(bv, true);
 500                 break;
 501
 502         case LFUN_UP_PARAGRAPHSEL:
 503                 update(bv, false);
 504                 cursorUpParagraph(bv);
 505                 finishChange(bv, true);
 506                 break;
 507
 508         case LFUN_DOWN_PARAGRAPHSEL:
 509                 update(bv, false);
 510                 cursorDownParagraph(bv);
 511                 finishChange(bv, true);
 512                 break;
 513
 514         case LFUN_PRIORSEL:
 515                 update(bv, false);
 516                 cursorPrevious(bv);
 517                 finishChange(bv, true);
 518                 break;
 519
 520         case LFUN_NEXTSEL:
 521                 update(bv, false);
 522                 cursorNext(bv);
 523                 finishChange(bv, true);
 524                 break;
 525
 526         case LFUN_HOMESEL:
 527                 update(bv, false);
 528                 cursorHome(bv);
 529                 finishChange(bv, true);
 530                 break;
 531
 532         case LFUN_ENDSEL:
 533                 update(bv, false);
 534                 cursorEnd(bv);
 535                 finishChange(bv, true);
 536                 break;
 537
 538         case LFUN_WORDRIGHTSEL:
 539                 update(bv, false);
 540                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 541                         cursorLeftOneWord(bv);
 542                 else
 543                         cursorRightOneWord(bv);
 544                 finishChange(bv, true);
 545                 break;
 546
 547         case LFUN_WORDLEFTSEL:
 548                 update(bv, false);
 549                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 550                         cursorRightOneWord(bv);
 551                 else
 552                         cursorLeftOneWord(bv);
 553                 finishChange(bv, true);
 554                 break;
 555
 556         case LFUN_WORDSEL: {
 557                 update(bv, false);
 558                 LyXCursor cur1;
 559                 LyXCursor cur2;
 560                 getWord(cur1, cur2, WHOLE_WORD);
 561                 setCursor(bv, cur1.par(), cur1.pos());
 562                 bv->beforeChange(this);
 563                 setCursor(bv, cur2.par(), cur2.pos());
 564                 finishChange(bv, true);
 565                 break;
 566         }
 567
 568         case LFUN_RIGHT: {
 569                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 570                 if (!selection.mark())
 571                         bv->beforeChange(this);
 572                 update(bv);
 573                 if (is_rtl)
 574                         cursorLeft(bv, false);
 575                 if (cursor.pos() < cursor.par()->size()
 576                     && cursor.par()->isInset(cursor.pos())
 577                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 578                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 579                         cmd.message(tmpinset->editMessage());
 580                         tmpinset->edit(bv, !is_rtl);
 581                         break;
 582                 }
 583                 if (!is_rtl)
 584                         cursorRight(bv, false);
 585                 finishChange(bv);
 586                 break;
 587         }
 588
 589         case LFUN_LEFT: {
 590                 // This is soooo ugly. Isn`t it possible to make
 591                 // it simpler? (Lgb)
 592                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 593                 if (!selection.mark())
 594                         bv->beforeChange(this);
 595                 update(bv);
 596                 LyXCursor const cur = cursor;
 597                 if (!is_rtl)
 598                         cursorLeft(bv, false);
 599                 if ((is_rtl || cur != cursor) && // only if really moved!
 600                     cursor.pos() < cursor.par()->size() &&
 601                     cursor.par()->isInset(cursor.pos()) &&
 602                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 603                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 604                         cmd.message(tmpinset->editMessage());
 605                         tmpinset->edit(bv, is_rtl);
 606                         break;
 607                 }
 608                 if (is_rtl)
 609                         cursorRight(bv, false);
 610                 finishChange(bv);
 611                 break;
 612         }
 613
 614         case LFUN_UP:
 615                 if (!selection.mark())
 616                         bv->beforeChange(this);
 617                 bv->update(this, BufferView::UPDATE);
 618                 cursorUp(bv);
 619                 finishChange(bv);
 620                 break;
 621
 622         case LFUN_DOWN:
 623                 if (!selection.mark())
 624                         bv->beforeChange(this);
 625                 bv->update(this, BufferView::UPDATE);
 626                 cursorDown(bv);
 627                 finishChange(bv);
 628                 break;
 629
 630         case LFUN_UP_PARAGRAPH:
 631                 if (!selection.mark())
 632                         bv->beforeChange(this);
 633                 bv->update(this, BufferView::UPDATE);
 634                 cursorUpParagraph(bv);
 635                 finishChange(bv);
 636                 break;
 637
 638         case LFUN_DOWN_PARAGRAPH:
 639                 if (!selection.mark())
 640                         bv->beforeChange(this);
 641                 bv->update(this, BufferView::UPDATE);
 642                 cursorDownParagraph(bv);
 643                 finishChange(bv, false);
 644                 break;
 645
 646         case LFUN_PRIOR:
 647                 if (!selection.mark())
 648                         bv->beforeChange(this);
 649                 bv->update(this, BufferView::UPDATE);
 650                 cursorPrevious(bv);
 651                 finishChange(bv, false);
 652                 // was:
 653                 // finishUndo();
 654                 // moveCursorUpdate(bv, false, false);
 655                 // owner_->view_state_changed();
 656                 break;
 657
 658         case LFUN_NEXT:
 659                 if (!selection.mark())
 660                         bv->beforeChange(this);
 661                 bv->update(this, BufferView::UPDATE);
 662                 cursorNext(bv);
 663                 finishChange(bv, false);
 664                 break;
 665
 666         case LFUN_HOME:
 667                 if (!selection.mark())
 668                         bv->beforeChange(this);
 669                 update(bv);
 670                 cursorHome(bv);
 671                 finishChange(bv, false);
 672                 break;
 673
 674         case LFUN_END:
 675                 if (!selection.mark())
 676                         bv->beforeChange(this);
 677                 update(bv);
 678                 cursorEnd(bv);
 679                 finishChange(bv, false);
 680                 break;
 681
 682         case LFUN_BREAKLINE:
 683                 bv->beforeChange(this);
 684                 insertChar(bv, Paragraph::META_NEWLINE);
 685                 update(bv, true);
 686                 setCursor(bv, cursor.par(), cursor.pos());
 687                 moveCursorUpdate(bv, false);
 688                 break;
 689
 690         case LFUN_DELETE:
 691                 if (!selection.set()) {
 692                         Delete(bv);
 693                         selection.cursor = cursor;
 694                         update(bv);
 695                         // It is possible to make it a lot faster still
 696                         // just comment out the line below...
 697                         bv->showCursor();
 698                 } else {
 699                         update(bv, false);
 700                         cutSelection(bv, true);
 701                         update(bv);
 702                 }
 703                 moveCursorUpdate(bv, false);
 704                 bv->owner()->view_state_changed();
 705                 bv->switchKeyMap();
 706                 break;
 707
 708         case LFUN_DELETE_SKIP:
 709                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 710                 if (!selection.set()) {
 711                         LyXCursor cur = cursor;
 712                         if (cur.pos() == cur.par()->size()) {
 713                                 cursorRight(bv);
 714                                 cur = cursor;
 715                                 if (cur.pos() == 0
 716                                     && !(cur.par()->params().spaceTop()
 717                                          == VSpace (VSpace::NONE))) {
 718                                         setParagraph(bv,
 719                                                  cur.par()->params().lineTop(),
 720                                                  cur.par()->params().lineBottom(),
 721                                                  cur.par()->params().pagebreakTop(),
 722                                                  cur.par()->params().pagebreakBottom(),
 723                                                  VSpace(VSpace::NONE),
 724                                                  cur.par()->params().spaceBottom(),
 725                                                  cur.par()->params().spacing(),
 726                                                  cur.par()->params().align(),
 727                                                  cur.par()->params().labelWidthString(), 0);
 728                                         cursorLeft(bv);
 729                                         update(bv);
 730                                 } else {
 731                                         cursorLeft(bv);
 732                                         Delete(bv);
 733                                         selection.cursor = cursor;
 734                                 }
 735                         } else {
 736                                 Delete(bv);
 737                                 selection.cursor = cursor;
 738                         }
 739                 } else {
 740                         update(bv, false);
 741                         cutSelection(bv, true);
 742                 }
 743                 update(bv);
 744                 break;
 745
 746
 747         case LFUN_BACKSPACE:
 748                 if (!selection.set()) {
 749                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 750                                 backspace(bv);
 751                                 selection.cursor = cursor;
 752                                 update(bv);
 753                                 // It is possible to make it a lot faster still
 754                                 // just comment out the line below...
 755                                 bv->showCursor();
 756                         }
 757                 } else {
 758                         update(bv, false);
 759                         cutSelection(bv, true);
 760                         update(bv);
 761                 }
 762                 bv->owner()->view_state_changed();
 763                 bv->switchKeyMap();
 764                 break;
 765
 766         case LFUN_BACKSPACE_SKIP:
 767                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 768                 if (!selection.set()) {
 769                         LyXCursor cur = cursor;
 770                         if (cur.pos() == 0
 771                             && !(cur.par()->params().spaceTop()
 772                                  == VSpace (VSpace::NONE))) {
 773                                 setParagraph(bv,
 774                                          cur.par()->params().lineTop(),
 775                                          cur.par()->params().lineBottom(),
 776                                          cur.par()->params().pagebreakTop(),
 777                                          cur.par()->params().pagebreakBottom(),
 778                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 779                                          cur.par()->params().spacing(),
 780                                          cur.par()->params().align(),
 781                                          cur.par()->params().labelWidthString(), 0);
 782                         } else {
 783                                 backspace(bv);
 784                                 selection.cursor = cur;
 785                         }
 786                 } else {
 787                         update(bv, false);
 788                         cutSelection(bv, true);
 789                 }
 790                 update(bv);
 791                 break;
 792
 793         case LFUN_BREAKPARAGRAPH:
 794                 bv->beforeChange(this);
 795                 breakParagraph(bv, 0);
 796                 update(bv);
 797                 selection.cursor = cursor;
 798                 bv->switchKeyMap();
 799                 bv->owner()->view_state_changed();
 800                 break;
 801
 802         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 803                 bv->beforeChange(this);
 804                 breakParagraph(bv, 1);
 805                 update(bv);
 806                 selection.cursor = cursor;
 807                 bv->switchKeyMap();
 808                 bv->owner()->view_state_changed();
 809                 break;
 810
 811         case LFUN_BREAKPARAGRAPH_SKIP: {
 812                 // When at the beginning of a paragraph, remove
 813                 // indentation and add a "defskip" at the top.
 814                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 815                 LyXCursor cur = cursor;
 816                 bv->beforeChange(this);
 817                 if (cur.pos() == 0) {
 818                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 819                                 setParagraph(bv,
 820                                          cur.par()->params().lineTop(),
 821                                          cur.par()->params().lineBottom(),
 822                                          cur.par()->params().pagebreakTop(),
 823                                          cur.par()->params().pagebreakBottom(),
 824                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 825                                          cur.par()->params().spacing(),
 826                                          cur.par()->params().align(),
 827                                          cur.par()->params().labelWidthString(), 1);
 828                                 //update(bv);
 829                         }
 830                 }
 831                 else {
 832                         breakParagraph(bv, 0);
 833                         //update(bv);
 834                 }
 835                 update(bv);
 836                 selection.cursor = cur;
 837                 bv->switchKeyMap();
 838                 bv->owner()->view_state_changed();
 839                 break;
 840         }
 841
 842         case LFUN_PARAGRAPH_SPACING: {
 843                 Paragraph * par = cursor.par();
 844                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
 845                 float cur_value = 1.0;
 846                 if (cur_spacing == Spacing::Other)
 847                         cur_value = par->params().spacing().getValue();
 848
 849                 istringstream is(cmd.argument.c_str());
 850                 string tmp;
 851                 is >> tmp;
 852                 Spacing::Space new_spacing = cur_spacing;
 853                 float new_value = cur_value;
 854                 if (tmp.empty()) {
 855                         lyxerr << "Missing argument to `paragraph-spacing'"
 856                                << endl;
 857                 } else if (tmp == "single") {
 858                         new_spacing = Spacing::Single;
 859                 } else if (tmp == "onehalf") {
 860                         new_spacing = Spacing::Onehalf;
 861                 } else if (tmp == "double") {
 862                         new_spacing = Spacing::Double;
 863                 } else if (tmp == "other") {
 864                         new_spacing = Spacing::Other;
 865                         float tmpval = 0.0;
 866                         is >> tmpval;
 867                         lyxerr << "new_value = " << tmpval << endl;
 868                         if (tmpval != 0.0)
 869                                 new_value = tmpval;
 870                 } else if (tmp == "default") {
 871                         new_spacing = Spacing::Default;
 872                 } else {
 873                         lyxerr << _("Unknown spacing argument: ")
 874                                << cmd.argument << endl;
 875                 }
 876                 if (cur_spacing != new_spacing || cur_value != new_value) {
 877                         par->params().spacing(Spacing(new_spacing, new_value));
 878                         redoParagraph(bv);
 879                         update(bv);
 880                 }
 881                 break;
 882         }
 883
 884         case LFUN_INSET_TOGGLE:
 885                 bv->hideCursor();
 886                 bv->beforeChange(this);
 887                 update(bv, false);
 888                 toggleInset(bv);
 889                 update(bv, false);
 890                 bv->switchKeyMap();
 891                 break;
 892
 893         case LFUN_PROTECTEDSPACE:
 894                 if (cursor.par()->layout()->free_spacing) {
 895                         insertChar(bv, ' ');
 896                         update(bv);
 897                 } else {
 898                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 899                 }
 900                 moveCursorUpdate(bv, false);
 901                 break;
 902
 903         case LFUN_HYPHENATION:
 904                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 905                 break;
 906
 907         case LFUN_LIGATURE_BREAK:
 908                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 909                 break;
 910
 911         case LFUN_LDOTS:
 912                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 913                 break;
 914
 915         case LFUN_HFILL:
 916                 bv->hideCursor();
 917                 update(bv, false);
 918                 insertChar(bv, Paragraph::META_HFILL);
 919                 update(bv);
 920                 break;
 921
 922         case LFUN_END_OF_SENTENCE:
 923                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 924                 break;
 925
 926         case LFUN_MENU_SEPARATOR:
 927                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 928                 break;
 929
 930         case LFUN_MARK_OFF:
 931                 bv->beforeChange(this);
 932                 update(bv, false);
 933                 selection.cursor = cursor;
 934                 cmd.message(N_("Mark off"));
 935                 break;
 936
 937         case LFUN_MARK_ON:
 938                 bv->beforeChange(this);
 939                 selection.mark(true);
 940                 update(bv, false);
 941                 selection.cursor = cursor;
 942                 cmd.message(N_("Mark on"));
 943                 break;
 944
 945         case LFUN_SETMARK:
 946                 bv->beforeChange(this);
 947                 if (selection.mark()) {
 948                         update(bv);
 949                         cmd.message(N_("Mark removed"));
 950                 } else {
 951                         selection.mark(true);
 952                         update(bv);
 953                         cmd.message(N_("Mark set"));
 954                 }
 955                 selection.cursor = cursor;
 956                 break;
 957
 958         case LFUN_UPCASE_WORD:
 959                 update(bv, false);
 960                 changeCase(bv, LyXText::text_uppercase);
 961                 if (inset_owner)
 962                         bv->updateInset(inset_owner, true);
 963                 update(bv);
 964                 break;
 965
 966         case LFUN_LOWCASE_WORD:
 967                 update(bv, false);
 968                 changeCase(bv, LyXText::text_lowercase);
 969                 if (inset_owner)
 970                         bv->updateInset(inset_owner, true);
 971                 update(bv);
 972                 break;
 973
 974         case LFUN_CAPITALIZE_WORD:
 975                 update(bv, false);
 976                 changeCase(bv, LyXText::text_capitalization);
 977                 if (inset_owner)
 978                         bv->updateInset(inset_owner, true);
 979                 update(bv);
 980                 break;
 981
 982         case LFUN_TRANSPOSE_CHARS:
 983                 update(bv, false);
 984                 transposeChars(*bv);
 985                 if (inset_owner)
 986                         bv->updateInset(inset_owner, true);
 987                 update(bv);
 988                 break;
 989
 990         case LFUN_PASTE:
 991                 cmd.message(_("Paste"));
 992                 bv->hideCursor();
 993                 // clear the selection
 994                 bv->toggleSelection();
 995                 clearSelection();
 996                 update(bv, false);
 997                 pasteSelection(bv);
 998                 clearSelection(); // bug 393
 999                 update(bv, false);
1000                 update(bv);
1001                 bv->switchKeyMap();
1002                 break;
1003
1004         case LFUN_CUT:
1005                 bv->hideCursor();
1006                 update(bv, false);
1007                 cutSelection(bv, true);
1008                 update(bv);
1009                 cmd.message(_("Cut"));
1010                 break;
1011
1012         case LFUN_COPY:
1013                 copySelection(bv);
1014                 cmd.message(_("Copy"));
1015                 break;
1016
1017         case LFUN_BEGINNINGBUFSEL:
1018                 if (inset_owner)
1019                         return Inset::UNDISPATCHED;
1020                 update(bv, false);
1021                 cursorTop(bv);
1022                 finishChange(bv, true);
1023                 break;
1024
1025         case LFUN_ENDBUFSEL:
1026                 if (inset_owner)
1027                         return Inset::UNDISPATCHED;
1028                 update(bv, false);
1029                 cursorBottom(bv);
1030                 finishChange(bv, true);
1031                 break;
1032
1033         case LFUN_GETXY:
1034                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1035                 break;
1036
1037         case LFUN_SETXY: {
1038                 int x = 0;
1039                 int y = 0;
1040                 istringstream is(cmd.argument.c_str());
1041                 is >> x >> y;
1042                 if (!is)
1043                         lyxerr << "SETXY: Could not parse coordinates in '"
1044                                << cmd.argument << std::endl;
1045                 else
1046                         setCursorFromCoordinates(bv, x, y);
1047                 break;
1048         }
1049
1050         case LFUN_GETFONT:
1051                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1052                         cmd.message("E");
1053                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1054                         cmd.message("N");
1055                 else
1056                         cmd.message("0");
1057                 break;
1058
1059         case LFUN_GETLAYOUT:
1060                 cmd.message(tostr(cursor.par()->layout()));
1061                 break;
1062
1063         case LFUN_LAYOUT: {
1064                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1065                   << cmd.argument << endl;
1066
1067                 // This is not the good solution to the empty argument
1068                 // problem, but it will hopefully suffice for 1.2.0.
1069                 // The correct solution would be to augument the
1070                 // function list/array with information about what
1071                 // functions needs arguments and their type.
1072                 if (cmd.argument.empty()) {
1073                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1074                         break;
1075                 }
1076
1077                 // Derive layout number from given argument (string)
1078                 // and current buffer's textclass (number)
1079                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1080                 bool hasLayout = tclass.hasLayout(cmd.argument);
1081                 string layout = cmd.argument;
1082
1083                 // If the entry is obsolete, use the new one instead.
1084                 if (hasLayout) {
1085                         string const & obs = tclass[layout]->obsoleted_by();
1086                         if (!obs.empty())
1087                                 layout = obs;
1088                 }
1089
1090                 if (!hasLayout) {
1091                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1092                                 N_(" not known"));
1093                         break;
1094                 }
1095
1096                 bool change_layout = (current_layout != layout);
1097                 if (!change_layout && selection.set() &&
1098                         selection.start.par() != selection.end.par())
1099                 {
1100                         Paragraph * spar = selection.start.par();
1101                         Paragraph * epar = selection.end.par()->next();
1102                         while (spar != epar) {
1103                                 if (spar->layout()->name() != current_layout) {
1104                                         change_layout = true;
1105                                         break;
1106                                 }
1107                                 spar = spar->next();
1108                         }
1109                 }
1110                 if (change_layout) {
1111                         bv->hideCursor();
1112                         current_layout = layout;
1113                         update(bv, false);
1114                         setLayout(bv, layout);
1115                         bv->owner()->setLayout(layout);
1116                         update(bv);
1117                         bv->switchKeyMap();
1118                 }
1119                 break;
1120         }
1121
1122         case LFUN_PASTESELECTION: {
1123                 if (!bv->buffer())
1124                         break;
1125                 bv->hideCursor();
1126                 // this was originally a beforeChange(bv->text), i.e
1127                 // the outermost LyXText!
1128                 bv->beforeChange(this);
1129                 string const clip = bv->getClipboard();
1130                 if (!clip.empty()) {
1131                         if (cmd.argument == "paragraph")
1132                                 insertStringAsParagraphs(bv, clip);
1133                         else
1134                                 insertStringAsLines(bv, clip);
1135                         clearSelection();
1136                         update(bv);
1137                 }
1138                 break;
1139         }
1140
1141         case LFUN_GOTOERROR:
1142                 gotoInset(bv, Inset::ERROR_CODE, false);
1143                 break;
1144
1145         case LFUN_GOTONOTE:
1146                 gotoInset(bv, Inset::NOTE_CODE, false);
1147                 break;
1148
1149         case LFUN_REFERENCE_GOTO:
1150         {
1151                 vector<Inset::Code> tmp;
1152                 tmp.push_back(Inset::LABEL_CODE);
1153                 tmp.push_back(Inset::REF_CODE);
1154                 gotoInset(bv, tmp, true);
1155                 break;
1156         }
1157
1158         case LFUN_QUOTE: {
1159                 Paragraph const * par = cursor.par();
1160                 lyx::pos_type pos = cursor.pos();
1161                 char c;
1162                 if (!pos)
1163                         c = ' ';
1164                 else if (par->isInset(pos - 1) && par->getInset(pos - 1)->isSpace())
1165                         c = ' ';
1166                 else
1167                         c = par->getChar(pos - 1);
1168
1169                 bv->hideCursor();
1170                 LyXLayout_ptr const & style = par->layout();
1171
1172                 if (style->pass_thru ||
1173                                 par->getFontSettings(bv->buffer()->params,
1174                                          pos).language()->lang() == "hebrew" ||
1175                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1176                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1177                 break;
1178         }
1179
1180         case LFUN_DATE_INSERT: {
1181                 time_t now_time_t = time(NULL);
1182                 struct tm * now_tm = localtime(&now_time_t);
1183                 setlocale(LC_TIME, "");
1184                 string arg;
1185                 if (!cmd.argument.empty())
1186                         arg = cmd.argument;
1187                 else
1188                         arg = lyxrc.date_insert_format;
1189                 char datetmp[32];
1190                 int const datetmp_len =
1191                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1192
1193                 for (int i = 0; i < datetmp_len; i++) {
1194                         insertChar(bv, datetmp[i]);
1195                         update(bv, true);
1196                 }
1197                 selection.cursor = cursor;
1198                 moveCursorUpdate(bv, false);
1199                 break;
1200         }
1201
1202         case LFUN_MOUSE_TRIPLE:
1203                 if (!bv->buffer())
1204                         break;
1205                 if (bv_owner && bv->theLockingInset())
1206                         break;
1207                 if (cmd.button() == mouse_button::button1) {
1208                         if (bv_owner) {
1209                                 bv->screen().hideCursor();
1210                                 bv->screen().toggleSelection(this, bv);
1211                         }
1212                         cursorHome(bv);
1213                         selection.cursor = cursor;
1214                         cursorEnd(bv);
1215                         setSelection(bv);
1216                         if (bv_owner)
1217                                 bv->screen().toggleSelection(this, bv, false);
1218                         update(bv, false);
1219                         bv->haveSelection(selection.set());
1220                 }
1221                 break;
1222
1223         case LFUN_MOUSE_DOUBLE:
1224                 if (!bv->buffer())
1225                         break;
1226                 if (bv_owner && bv->theLockingInset())
1227                         break;
1228                 if (cmd.button() == mouse_button::button1) {
1229                         if (bv_owner) {
1230                                 bv->screen().hideCursor();
1231                                 bv->screen().toggleSelection(this, bv);
1232                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1233                                 bv->screen().toggleSelection(this, bv, false);
1234                         } else {
1235                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1236                         }
1237                         update(bv, false);
1238                         bv->haveSelection(selection.set());
1239                 }
1240                 break;
1241
1242         case LFUN_MOUSE_MOTION:
1243         {
1244                 // Only use motion with button 1
1245                 //if (ev.button() != mouse_button::button1)
1246                 //      return false;
1247
1248                 if (!bv->buffer())
1249                         break;
1250
1251                 // Check for inset locking
1252                 if (bv->theLockingInset()) {
1253                         Inset * tli = bv->theLockingInset();
1254                         LyXCursor cursor = bv->text->cursor;
1255                         LyXFont font = bv->text->getFont(bv->buffer(),
1256                                                                 cursor.par(), cursor.pos());
1257                         int width = tli->width(bv, font);
1258                         int inset_x = font.isVisibleRightToLeft()
1259                                 ? cursor.ix() - width : cursor.ix();
1260                         int start_x = inset_x + tli->scroll();
1261                         FuncRequest cmd1 = cmd;
1262                         cmd1.x = cmd.x - start_x;
1263                         cmd1.y = cmd.y - cursor.iy() + bv->text->first_y;
1264                         tli->localDispatch(cmd1);
1265                         break;
1266                 }
1267
1268                 // The test for not selection possible is needed, that only motion
1269                 // events are used, where the bottom press event was on
1270                 //  the drawing area too
1271                 if (!selection_possible) {
1272                         lyxerr[Debug::ACTION]
1273                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1274                         break;
1275                 }
1276
1277                 bv->screen().hideCursor();
1278
1279                 Row * cursorrow = bv->text->cursor.row();
1280                 bv->text->setCursorFromCoordinates(bv, cmd.x, cmd.y + bv->text->first_y);
1281         #if 0
1282                 // sorry for this but I have a strange error that the y value jumps at
1283                 // a certain point. This seems like an error in my xforms library or
1284                 // in some other local environment, but I would like to leave this here
1285                 // for the moment until I can remove this (Jug 20020418)
1286                 if (y_before < bv->text->cursor.y())
1287                         lyxerr << y_before << ":" << bv->text->cursor.y() << endl;
1288         #endif
1289                 // This is to allow jumping over large insets
1290                 if (cursorrow == bv->text->cursor.row()) {
1291                         if (cmd.y >= int(bv->workHeight()))
1292                                 bv->text->cursorDown(bv, false);
1293                         else if (cmd.y < 0)
1294                                 bv->text->cursorUp(bv, false);
1295                 }
1296
1297                 // Maybe an empty line was deleted
1298                 if (!bv->text->selection.set())
1299                         bv->update(bv->text, BufferView::UPDATE);
1300                 bv->text->setSelection(bv);
1301                 bv->screen().toggleToggle(bv->text, bv);
1302                 bv->fitCursor();
1303                 bv->showCursor();
1304                 break;
1305         }
1306
1307         // Single-click on work area
1308         case LFUN_MOUSE_PRESS:
1309         {
1310                 if (!bv->buffer())
1311                         break;
1312
1313                 // ok ok, this is a hack (for xforms)
1314                 // We shouldn't go further down as we really should only do the
1315                 // scrolling and be done with this. Otherwise we may open some
1316                 // dialogs (Jug 20020424).
1317                 if (cmd.button() == mouse_button::button4) {
1318                         bv->scroll(-lyxrc.wheel_jump);
1319                         break;
1320                 }
1321                 if (cmd.button() == mouse_button::button5) {
1322                         bv->scroll(lyxrc.wheel_jump);
1323                         break;
1324                 }
1325
1326                 int x = cmd.x;
1327                 int y = cmd.y;
1328                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1329
1330                 // Middle button press pastes if we have a selection
1331                 // We do this here as if the selection was inside an inset
1332                 // it could get cleared on the unlocking of the inset so
1333                 // we have to check this first
1334                 bool paste_internally = false;
1335                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1336                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1337                         paste_internally = true;
1338                 }
1339
1340                 int const screen_first = bv->text->first_y;
1341
1342                 if (bv->theLockingInset()) {
1343                         // We are in inset locking mode
1344
1345                         // Check whether the inset was hit. If not reset mode,
1346                         // otherwise give the event to the inset
1347                         if (inset_hit == bv->theLockingInset()) {
1348                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1349                                 bv->theLockingInset()->localDispatch(cmd1);
1350                                 break;
1351                         }
1352                         bv->unlockInset(bv->theLockingInset());
1353                 }
1354
1355                 if (!inset_hit)
1356                         selection_possible = true;
1357                 bv->screen().hideCursor();
1358
1359                 // Clear the selection
1360                 bv->screen().toggleSelection(bv->text, bv);
1361                 bv->text->clearSelection();
1362                 bv->text->fullRebreak(bv);
1363                 bv->update();
1364                 bv->updateScrollbar();
1365
1366                 // Single left click in math inset?
1367                 if (isHighlyEditableInset(inset_hit)) {
1368                         // Highly editable inset, like math
1369                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1370                         selection_possible = false;
1371                         bv->owner()->updateLayoutChoice();
1372                         bv->owner()->message(inset->editMessage());
1373                         //inset->edit(bv, x, y, cmd.button());
1374                         // We just have to lock the inset before calling a PressEvent on it!
1375                         // we don't need the edit() call here! (Jug20020329)
1376                         if (!bv->lockInset(inset))
1377                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1378                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1379                         inset->localDispatch(cmd1);
1380                         break;
1381                 }
1382                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1383
1384                 // Right click on a footnote flag opens float menu
1385                 if (cmd.button() == mouse_button::button3) {
1386                         selection_possible = false;
1387                         break;
1388                 }
1389
1390                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1391                         bv->text->setCursorFromCoordinates(bv, x, y + screen_first);
1392                 finishUndo();
1393                 bv->text->selection.cursor = bv->text->cursor;
1394                 bv->text->cursor.x_fix(bv->text->cursor.x());
1395
1396                 bv->owner()->updateLayoutChoice();
1397                 if (bv->fitCursor())
1398                         selection_possible = false;
1399
1400                 // Insert primary selection with middle mouse
1401                 // if there is a local selection in the current buffer,
1402                 // insert this
1403                 if (cmd.button() == mouse_button::button2) {
1404                         if (paste_internally)
1405                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1406                         else
1407                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1408                         selection_possible = false;
1409                 }
1410                 break;
1411         }
1412
1413         case LFUN_MOUSE_RELEASE:
1414         {
1415                 // do nothing if we used the mouse wheel
1416                 if (!bv->buffer())
1417                         break;
1418
1419                 if (cmd.button() == mouse_button::button4
1420                  || cmd.button() == mouse_button::button5)
1421                         break;
1422
1423                 // If we hit an inset, we have the inset coordinates in these
1424                 // and inset_hit points to the inset.  If we do not hit an
1425                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1426                 int x = cmd.x;
1427                 int y = cmd.y;
1428                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1429
1430                 if (bv->theLockingInset()) {
1431                         // We are in inset locking mode.
1432
1433                         // LyX does a kind of work-area grabbing for insets.
1434                         // Only a ButtonPress FuncRequest outside the inset will
1435                         // force a insetUnlock.
1436                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1437                         bv->theLockingInset()->localDispatch(cmd1);
1438                         break;
1439                 }
1440
1441                 selection_possible = false;
1442
1443                 if (cmd.button() == mouse_button::button2)
1444                         break;
1445
1446                 // finish selection
1447                 if (cmd.button() == mouse_button::button1)
1448                         bv->haveSelection(selection.set());
1449
1450                 bv->switchKeyMap();
1451                 bv->owner()->view_state_changed();
1452                 bv->owner()->updateMenubar();
1453                 bv->owner()->updateToolbar();
1454
1455                 // Did we hit an editable inset?
1456                 if (inset_hit) {
1457                         selection_possible = false;
1458
1459                         // if we reach this point with a selection, it
1460                         // must mean we are currently selecting.
1461                         // But we don't want to open the inset
1462                         // because that is annoying for the user.
1463                         // So just pretend we didn't hit it.
1464                         // this is OK because a "kosher" ButtonRelease
1465                         // will follow a ButtonPress that clears
1466                         // the selection.
1467                         // Note this also fixes selection drawing
1468                         // problems if we end up opening an inset
1469                         if (selection.set())
1470                                 break;
1471
1472                         // CHECK fix this proper in 0.13
1473                         // well, maybe 13.0 !!!!!!!!!
1474
1475                         // Following a ref shouldn't issue
1476                         // a push on the undo-stack
1477                         // anylonger, now that we have
1478                         // keybindings for following
1479                         // references and returning from
1480                         // references.  IMHO though, it
1481                         // should be the inset's own business
1482                         // to push or not push on the undo
1483                         // stack. They don't *have* to
1484                         // alter the document...
1485                         // (Joacim)
1486                         // ...or maybe the SetCursorParUndo()
1487                         // below isn't necessary at all anylonger?
1488                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1489                                 setCursorParUndo(bv);
1490
1491                         bv->owner()->message(inset_hit->editMessage());
1492
1493                         if (isHighlyEditableInset(inset_hit)) {
1494                                 // Highly editable inset, like math
1495                                 UpdatableInset * inset = (UpdatableInset *) inset_hit;
1496                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1497                                 inset->localDispatch(cmd1);
1498                         } else {
1499                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1500                                 inset_hit->localDispatch(cmd1);
1501                                 // IMO this is a grosshack! Inset's should be changed so that
1502                                 // they call the actions they have to do with the insetButtonRel.
1503                                 // function and not in the edit(). This should be changed
1504                                 // (Jug 20020329)
1505 #ifdef WITH_WARNINGS
1506 #warning Please remove donot call inset->edit() here (Jug 20020812)
1507 #endif
1508                                 inset_hit->edit(bv, x, y, cmd.button());
1509                         }
1510                         break;
1511                 }
1512
1513                 // Maybe we want to edit a bibitem ale970302
1514                 if (bv->text->cursor.par()->bibkey) {
1515                         bool const is_rtl =
1516                                 bv->text->cursor.par()->isRightToLeftPar(bv->buffer()->params);
1517                         int const width =
1518                                 bibitemMaxWidth(bv, bv->buffer()->params.getLyXTextClass().defaultfont());
1519                         if ((is_rtl && x > bv->text->workWidth(bv)-20-width) ||
1520                                         (!is_rtl && x < 20 + width)) {
1521                                 bv->text->cursor.par()->bibkey->edit(bv, 0, 0, mouse_button::none);
1522                         }
1523                 }
1524                 break;
1525         }
1526
1527         case LFUN_SELFINSERT: {
1528                 if (cmd.argument.empty())
1529                         break;
1530
1531                 // Automatically delete the currently selected
1532                 // text and replace it with what is being
1533                 // typed in now. Depends on lyxrc settings
1534                 // "auto_region_delete", which defaults to
1535                 // true (on).
1536
1537                 if (lyxrc.auto_region_delete) {
1538                         if (selection.set()) {
1539                                 cutSelection(bv, false, false);
1540                                 update(bv);
1541                         }
1542                         bv->haveSelection(false);
1543                 }
1544
1545                 bv->beforeChange(this);
1546                 LyXFont const old_font(real_current_font);
1547
1548                 string::const_iterator cit = cmd.argument.begin();
1549                 string::const_iterator end = cmd.argument.end();
1550                 for (; cit != end; ++cit)
1551                         bv->owner()->getIntl().getTransManager().
1552                                 TranslateAndInsert(*cit, this);
1553
1554                 update(bv);
1555                 selection.cursor = cursor;
1556                 moveCursorUpdate(bv, false);
1557
1558                 // real_current_font.number can change so we need to
1559                 // update the minibuffer
1560                 if (old_font != real_current_font)
1561                         bv->owner()->view_state_changed();
1562                 break;
1563         }
1564
1565         case LFUN_HTMLURL: {
1566                 InsetCommandParams p("htmlurl");
1567                 bv->owner()->getDialogs().createUrl(p.getAsString());
1568                 break;
1569         }
1570
1571         case LFUN_URL: {
1572                 InsetCommandParams p("url");
1573                 bv->owner()->getDialogs().createUrl(p.getAsString());
1574                 break;
1575         }
1576
1577
1578 #if 0
1579         case LFUN_INSET_LIST:
1580         case LFUN_INSET_THEOREM:
1581 #endif
1582         case LFUN_INSERT_NOTE:
1583         case LFUN_INSERT_URL:
1584         case LFUN_INSET_CAPTION:
1585         case LFUN_INSET_ERT:
1586         case LFUN_INSET_EXTERNAL:
1587         case LFUN_INSET_FLOAT:
1588         case LFUN_INSET_FOOTNOTE:
1589         case LFUN_INSET_MARGINAL:
1590         case LFUN_INSET_MINIPAGE:
1591         case LFUN_INSET_OPTARG:
1592         case LFUN_INSET_WIDE_FLOAT:
1593         case LFUN_INSET_WRAP:
1594         case LFUN_TABULAR_INSERT:
1595         case LFUN_INDEX_INSERT:
1596         case LFUN_INDEX_PRINT:
1597         case LFUN_PARENTINSERT:
1598         case LFUN_TOC_INSERT:
1599         {
1600                 Inset * inset = createInset(cmd);
1601                 if (inset) {
1602                         bool gotsel = false;
1603                         if (selection.set()) {
1604                                 cutSelection(bv, true, false);
1605                                 gotsel = true;
1606                         }
1607                         if (bv->insertInset(inset)) {
1608                                 inset->edit(bv);
1609                                 if (gotsel)
1610                                         bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION));
1611                         }
1612                         else
1613                                 delete inset;
1614                 }
1615                 break;
1616         }
1617
1618
1619         default:
1620                 return Inset::UNDISPATCHED;
1621         }
1622
1623         return Inset::DISPATCHED;
1624 }