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                         if (tmp->params().startOfAppendix()) {
 388                                 setUndo(bv, Undo::EDIT, tmp, tmp->next());
 389                                 tmp->params().startOfAppendix(false);
 390                                 break;
 391                         }
 392                 }
 393
 394                 setUndo(bv, Undo::EDIT, par, par->next());
 395                 par->params().startOfAppendix(start);
 396
 397                 // we can set the refreshing parameters now
 398                 status(cmd.view(), LyXText::NEED_MORE_REFRESH);
 399                 refresh_y = 0;
 400                 refresh_row = 0; // not needed for full update
 401                 updateCounters(cmd.view());
 402                 setCursor(cmd.view(), cursor.par(), cursor.pos());
 403                 update(bv);
 404                 break;
 405         }
 406
 407         case LFUN_DELETE_WORD_FORWARD:
 408                 bv->beforeChange(this);
 409                 update(bv, false);
 410                 deleteWordForward(bv);
 411                 update(bv);
 412                 finishChange(bv);
 413                 break;
 414
 415         case LFUN_DELETE_WORD_BACKWARD:
 416                 bv->beforeChange(this);
 417                 update(bv, false);
 418                 deleteWordBackward(bv);
 419                 update(bv, true);
 420                 finishChange(bv);
 421                 break;
 422
 423         case LFUN_DELETE_LINE_FORWARD:
 424                 bv->beforeChange(this);
 425                 update(bv, false);
 426                 deleteLineForward(bv);
 427                 update(bv);
 428                 finishChange(bv);
 429                 break;
 430
 431         case LFUN_SHIFT_TAB:
 432         case LFUN_TAB:
 433                 if (!selection.mark())
 434                         bv->beforeChange(this);
 435                 update(bv, false);
 436                 cursorTab(bv);
 437                 finishChange(bv);
 438                 break;
 439
 440         case LFUN_WORDRIGHT:
 441                 if (!selection.mark())
 442                         bv->beforeChange(this);
 443                 update(bv, false);
 444                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 445                         cursorLeftOneWord(bv);
 446                 else
 447                         cursorRightOneWord(bv);
 448                 finishChange(bv);
 449                 break;
 450
 451         case LFUN_WORDLEFT:
 452                 if (!selection.mark())
 453                         bv->beforeChange(this);
 454                 update(bv, false);
 455                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 456                         cursorRightOneWord(bv);
 457                 else
 458                         cursorLeftOneWord(bv);
 459                 finishChange(bv);
 460                 break;
 461
 462         case LFUN_BEGINNINGBUF:
 463                 if (!selection.mark())
 464                         bv->beforeChange(this);
 465                 update(bv, false);
 466                 cursorTop(bv);
 467                 finishChange(bv);
 468                 break;
 469
 470         case LFUN_ENDBUF:
 471                 if (selection.mark())
 472                         bv->beforeChange(this);
 473                 update(bv, false);
 474                 cursorBottom(bv);
 475                 finishChange(bv);
 476                 break;
 477
 478         case LFUN_RIGHTSEL:
 479                 update(bv, false);
 480                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 481                         cursorLeft(bv);
 482                 else
 483                         cursorRight(bv);
 484                 finishChange(bv, true);
 485                 break;
 486
 487         case LFUN_LEFTSEL:
 488                 update(bv, false);
 489                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 490                         cursorRight(bv);
 491                 else
 492                         cursorLeft(bv);
 493                 finishChange(bv, true);
 494                 break;
 495
 496         case LFUN_UPSEL:
 497                 update(bv, false);
 498                 cursorUp(bv, true);
 499                 finishChange(bv, true);
 500                 break;
 501
 502         case LFUN_DOWNSEL:
 503                 update(bv, false);
 504                 cursorDown(bv, true);
 505                 finishChange(bv, true);
 506                 break;
 507
 508         case LFUN_UP_PARAGRAPHSEL:
 509                 update(bv, false);
 510                 cursorUpParagraph(bv);
 511                 finishChange(bv, true);
 512                 break;
 513
 514         case LFUN_DOWN_PARAGRAPHSEL:
 515                 update(bv, false);
 516                 cursorDownParagraph(bv);
 517                 finishChange(bv, true);
 518                 break;
 519
 520         case LFUN_PRIORSEL:
 521                 update(bv, false);
 522                 cursorPrevious(bv);
 523                 finishChange(bv, true);
 524                 break;
 525
 526         case LFUN_NEXTSEL:
 527                 update(bv, false);
 528                 cursorNext(bv);
 529                 finishChange(bv, true);
 530                 break;
 531
 532         case LFUN_HOMESEL:
 533                 update(bv, false);
 534                 cursorHome(bv);
 535                 finishChange(bv, true);
 536                 break;
 537
 538         case LFUN_ENDSEL:
 539                 update(bv, false);
 540                 cursorEnd(bv);
 541                 finishChange(bv, true);
 542                 break;
 543
 544         case LFUN_WORDRIGHTSEL:
 545                 update(bv, false);
 546                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 547                         cursorLeftOneWord(bv);
 548                 else
 549                         cursorRightOneWord(bv);
 550                 finishChange(bv, true);
 551                 break;
 552
 553         case LFUN_WORDLEFTSEL:
 554                 update(bv, false);
 555                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 556                         cursorRightOneWord(bv);
 557                 else
 558                         cursorLeftOneWord(bv);
 559                 finishChange(bv, true);
 560                 break;
 561
 562         case LFUN_WORDSEL: {
 563                 update(bv, false);
 564                 LyXCursor cur1;
 565                 LyXCursor cur2;
 566                 getWord(cur1, cur2, WHOLE_WORD);
 567                 setCursor(bv, cur1.par(), cur1.pos());
 568                 bv->beforeChange(this);
 569                 setCursor(bv, cur2.par(), cur2.pos());
 570                 finishChange(bv, true);
 571                 break;
 572         }
 573
 574         case LFUN_RIGHT: {
 575                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 576                 if (!selection.mark())
 577                         bv->beforeChange(this);
 578                 update(bv, false);
 579                 if (is_rtl)
 580                         cursorLeft(bv, false);
 581                 if (cursor.pos() < cursor.par()->size()
 582                     && cursor.par()->isInset(cursor.pos())
 583                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 584                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 585                         cmd.message(tmpinset->editMessage());
 586                         tmpinset->edit(bv, !is_rtl);
 587                         break;
 588                 }
 589                 if (!is_rtl)
 590                         cursorRight(bv, false);
 591                 finishChange(bv);
 592                 break;
 593         }
 594
 595         case LFUN_LEFT: {
 596                 // This is soooo ugly. Isn`t it possible to make
 597                 // it simpler? (Lgb)
 598                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 599                 if (!selection.mark())
 600                         bv->beforeChange(this);
 601                 update(bv, false);
 602                 LyXCursor const cur = cursor;
 603                 if (!is_rtl)
 604                         cursorLeft(bv, false);
 605                 if ((is_rtl || cur != cursor) && // only if really moved!
 606                     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                         tmpinset->edit(bv, is_rtl);
 612                         break;
 613                 }
 614                 if (is_rtl)
 615                         cursorRight(bv, false);
 616                 finishChange(bv);
 617                 break;
 618         }
 619
 620         case LFUN_UP:
 621                 if (!selection.mark())
 622                         bv->beforeChange(this);
 623                 bv->update(this, BufferView::UPDATE);
 624                 cursorUp(bv);
 625                 finishChange(bv);
 626                 break;
 627
 628         case LFUN_DOWN:
 629                 if (!selection.mark())
 630                         bv->beforeChange(this);
 631                 bv->update(this, BufferView::UPDATE);
 632                 cursorDown(bv);
 633                 finishChange(bv);
 634                 break;
 635
 636         case LFUN_UP_PARAGRAPH:
 637                 if (!selection.mark())
 638                         bv->beforeChange(this);
 639                 bv->update(this, BufferView::UPDATE);
 640                 cursorUpParagraph(bv);
 641                 finishChange(bv);
 642                 break;
 643
 644         case LFUN_DOWN_PARAGRAPH:
 645                 if (!selection.mark())
 646                         bv->beforeChange(this);
 647                 bv->update(this, BufferView::UPDATE);
 648                 cursorDownParagraph(bv);
 649                 finishChange(bv, false);
 650                 break;
 651
 652         case LFUN_PRIOR:
 653                 if (!selection.mark())
 654                         bv->beforeChange(this);
 655                 bv->update(this, BufferView::UPDATE);
 656                 cursorPrevious(bv);
 657                 finishChange(bv, false);
 658                 // was:
 659                 // finishUndo();
 660                 // moveCursorUpdate(bv, false, false);
 661                 // owner_->view_state_changed();
 662                 break;
 663
 664         case LFUN_NEXT:
 665                 if (!selection.mark())
 666                         bv->beforeChange(this);
 667                 bv->update(this, BufferView::UPDATE);
 668                 cursorNext(bv);
 669                 finishChange(bv, false);
 670                 break;
 671
 672         case LFUN_HOME:
 673                 if (!selection.mark())
 674                         bv->beforeChange(this);
 675                 update(bv);
 676                 cursorHome(bv);
 677                 finishChange(bv, false);
 678                 break;
 679
 680         case LFUN_END:
 681                 if (!selection.mark())
 682                         bv->beforeChange(this);
 683                 update(bv);
 684                 cursorEnd(bv);
 685                 finishChange(bv, false);
 686                 break;
 687
 688         case LFUN_BREAKLINE:
 689                 bv->beforeChange(this);
 690                 insertChar(bv, Paragraph::META_NEWLINE);
 691                 update(bv, true);
 692                 setCursor(bv, cursor.par(), cursor.pos());
 693                 moveCursorUpdate(bv, false);
 694                 break;
 695
 696         case LFUN_DELETE:
 697                 if (!selection.set()) {
 698                         Delete(bv);
 699                         selection.cursor = cursor;
 700                         update(bv);
 701                         // It is possible to make it a lot faster still
 702                         // just comment out the line below...
 703                         bv->showCursor();
 704                 } else {
 705                         update(bv, false);
 706                         cutSelection(bv, true);
 707                         update(bv);
 708                 }
 709                 moveCursorUpdate(bv, false);
 710                 bv->owner()->view_state_changed();
 711                 bv->switchKeyMap();
 712                 break;
 713
 714         case LFUN_DELETE_SKIP:
 715                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 716                 if (!selection.set()) {
 717                         LyXCursor cur = cursor;
 718                         if (cur.pos() == cur.par()->size()) {
 719                                 cursorRight(bv);
 720                                 cur = cursor;
 721                                 if (cur.pos() == 0
 722                                     && !(cur.par()->params().spaceTop()
 723                                          == VSpace (VSpace::NONE))) {
 724                                         setParagraph(bv,
 725                                                  cur.par()->params().lineTop(),
 726                                                  cur.par()->params().lineBottom(),
 727                                                  cur.par()->params().pagebreakTop(),
 728                                                  cur.par()->params().pagebreakBottom(),
 729                                                  VSpace(VSpace::NONE),
 730                                                  cur.par()->params().spaceBottom(),
 731                                                  cur.par()->params().spacing(),
 732                                                  cur.par()->params().align(),
 733                                                  cur.par()->params().labelWidthString(), 0);
 734                                         cursorLeft(bv);
 735                                         update(bv);
 736                                 } else {
 737                                         cursorLeft(bv);
 738                                         Delete(bv);
 739                                         selection.cursor = cursor;
 740                                 }
 741                         } else {
 742                                 Delete(bv);
 743                                 selection.cursor = cursor;
 744                         }
 745                 } else {
 746                         update(bv, false);
 747                         cutSelection(bv, true);
 748                 }
 749                 update(bv);
 750                 break;
 751
 752
 753         case LFUN_BACKSPACE:
 754                 if (!selection.set()) {
 755                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 756                                 backspace(bv);
 757                                 selection.cursor = cursor;
 758                                 update(bv);
 759                                 // It is possible to make it a lot faster still
 760                                 // just comment out the line below...
 761                                 bv->showCursor();
 762                         }
 763                 } else {
 764                         update(bv, false);
 765                         cutSelection(bv, true);
 766                         update(bv);
 767                 }
 768                 bv->owner()->view_state_changed();
 769                 bv->switchKeyMap();
 770                 break;
 771
 772         case LFUN_BACKSPACE_SKIP:
 773                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 774                 if (!selection.set()) {
 775                         LyXCursor cur = cursor;
 776                         if (cur.pos() == 0
 777                             && !(cur.par()->params().spaceTop()
 778                                  == VSpace (VSpace::NONE))) {
 779                                 setParagraph(bv,
 780                                          cur.par()->params().lineTop(),
 781                                          cur.par()->params().lineBottom(),
 782                                          cur.par()->params().pagebreakTop(),
 783                                          cur.par()->params().pagebreakBottom(),
 784                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 785                                          cur.par()->params().spacing(),
 786                                          cur.par()->params().align(),
 787                                          cur.par()->params().labelWidthString(), 0);
 788                         } else {
 789                                 backspace(bv);
 790                                 selection.cursor = cur;
 791                         }
 792                 } else {
 793                         update(bv, false);
 794                         cutSelection(bv, true);
 795                 }
 796                 update(bv);
 797                 break;
 798
 799         case LFUN_BREAKPARAGRAPH:
 800                 bv->beforeChange(this);
 801                 breakParagraph(bv, 0);
 802                 update(bv);
 803                 selection.cursor = cursor;
 804                 bv->switchKeyMap();
 805                 bv->owner()->view_state_changed();
 806                 break;
 807
 808         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 809                 bv->beforeChange(this);
 810                 breakParagraph(bv, 1);
 811                 update(bv);
 812                 selection.cursor = cursor;
 813                 bv->switchKeyMap();
 814                 bv->owner()->view_state_changed();
 815                 break;
 816
 817         case LFUN_BREAKPARAGRAPH_SKIP: {
 818                 // When at the beginning of a paragraph, remove
 819                 // indentation and add a "defskip" at the top.
 820                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 821                 LyXCursor cur = cursor;
 822                 bv->beforeChange(this);
 823                 if (cur.pos() == 0) {
 824                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 825                                 setParagraph(bv,
 826                                          cur.par()->params().lineTop(),
 827                                          cur.par()->params().lineBottom(),
 828                                          cur.par()->params().pagebreakTop(),
 829                                          cur.par()->params().pagebreakBottom(),
 830                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 831                                          cur.par()->params().spacing(),
 832                                          cur.par()->params().align(),
 833                                          cur.par()->params().labelWidthString(), 1);
 834                                 //update(bv);
 835                         }
 836                 }
 837                 else {
 838                         breakParagraph(bv, 0);
 839                         //update(bv);
 840                 }
 841                 update(bv);
 842                 selection.cursor = cur;
 843                 bv->switchKeyMap();
 844                 bv->owner()->view_state_changed();
 845                 break;
 846         }
 847
 848         case LFUN_PARAGRAPH_SPACING: {
 849                 Paragraph * par = cursor.par();
 850                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
 851                 float cur_value = 1.0;
 852                 if (cur_spacing == Spacing::Other)
 853                         cur_value = par->params().spacing().getValue();
 854
 855                 istringstream is(cmd.argument.c_str());
 856                 string tmp;
 857                 is >> tmp;
 858                 Spacing::Space new_spacing = cur_spacing;
 859                 float new_value = cur_value;
 860                 if (tmp.empty()) {
 861                         lyxerr << "Missing argument to `paragraph-spacing'"
 862                                << endl;
 863                 } else if (tmp == "single") {
 864                         new_spacing = Spacing::Single;
 865                 } else if (tmp == "onehalf") {
 866                         new_spacing = Spacing::Onehalf;
 867                 } else if (tmp == "double") {
 868                         new_spacing = Spacing::Double;
 869                 } else if (tmp == "other") {
 870                         new_spacing = Spacing::Other;
 871                         float tmpval = 0.0;
 872                         is >> tmpval;
 873                         lyxerr << "new_value = " << tmpval << endl;
 874                         if (tmpval != 0.0)
 875                                 new_value = tmpval;
 876                 } else if (tmp == "default") {
 877                         new_spacing = Spacing::Default;
 878                 } else {
 879                         lyxerr << _("Unknown spacing argument: ")
 880                                << cmd.argument << endl;
 881                 }
 882                 if (cur_spacing != new_spacing || cur_value != new_value) {
 883                         par->params().spacing(Spacing(new_spacing, new_value));
 884                         redoParagraph(bv);
 885                         update(bv);
 886                 }
 887                 break;
 888         }
 889
 890         case LFUN_INSET_TOGGLE:
 891                 bv->hideCursor();
 892                 bv->beforeChange(this);
 893                 update(bv, false);
 894                 toggleInset(bv);
 895                 update(bv, false);
 896                 bv->switchKeyMap();
 897                 break;
 898
 899         case LFUN_PROTECTEDSPACE:
 900                 if (cursor.par()->layout()->free_spacing) {
 901                         insertChar(bv, ' ');
 902                         update(bv);
 903                 } else {
 904                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 905                 }
 906                 moveCursorUpdate(bv, false);
 907                 break;
 908
 909         case LFUN_HYPHENATION:
 910                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 911                 break;
 912
 913         case LFUN_LIGATURE_BREAK:
 914                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 915                 break;
 916
 917         case LFUN_LDOTS:
 918                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 919                 break;
 920
 921         case LFUN_HFILL:
 922                 bv->hideCursor();
 923                 update(bv, false);
 924                 insertChar(bv, Paragraph::META_HFILL);
 925                 update(bv);
 926                 break;
 927
 928         case LFUN_END_OF_SENTENCE:
 929                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 930                 break;
 931
 932         case LFUN_MENU_SEPARATOR:
 933                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 934                 break;
 935
 936         case LFUN_MARK_OFF:
 937                 bv->beforeChange(this);
 938                 update(bv, false);
 939                 selection.cursor = cursor;
 940                 cmd.message(N_("Mark off"));
 941                 break;
 942
 943         case LFUN_MARK_ON:
 944                 bv->beforeChange(this);
 945                 selection.mark(true);
 946                 update(bv, false);
 947                 selection.cursor = cursor;
 948                 cmd.message(N_("Mark on"));
 949                 break;
 950
 951         case LFUN_SETMARK:
 952                 bv->beforeChange(this);
 953                 if (selection.mark()) {
 954                         update(bv);
 955                         cmd.message(N_("Mark removed"));
 956                 } else {
 957                         selection.mark(true);
 958                         update(bv);
 959                         cmd.message(N_("Mark set"));
 960                 }
 961                 selection.cursor = cursor;
 962                 break;
 963
 964         case LFUN_UPCASE_WORD:
 965                 update(bv, false);
 966                 changeCase(bv, LyXText::text_uppercase);
 967                 if (inset_owner)
 968                         bv->updateInset(inset_owner, true);
 969                 update(bv);
 970                 break;
 971
 972         case LFUN_LOWCASE_WORD:
 973                 update(bv, false);
 974                 changeCase(bv, LyXText::text_lowercase);
 975                 if (inset_owner)
 976                         bv->updateInset(inset_owner, true);
 977                 update(bv);
 978                 break;
 979
 980         case LFUN_CAPITALIZE_WORD:
 981                 update(bv, false);
 982                 changeCase(bv, LyXText::text_capitalization);
 983                 if (inset_owner)
 984                         bv->updateInset(inset_owner, true);
 985                 update(bv);
 986                 break;
 987
 988         case LFUN_TRANSPOSE_CHARS:
 989                 update(bv, false);
 990                 transposeChars(*bv);
 991                 if (inset_owner)
 992                         bv->updateInset(inset_owner, true);
 993                 update(bv);
 994                 break;
 995
 996         case LFUN_PASTE:
 997                 cmd.message(_("Paste"));
 998                 bv->hideCursor();
 999                 // clear the selection
1000                 bv->toggleSelection();
1001                 clearSelection();
1002                 update(bv, false);
1003                 pasteSelection(bv);
1004                 clearSelection(); // bug 393
1005                 update(bv, false);
1006                 update(bv);
1007                 bv->switchKeyMap();
1008                 break;
1009
1010         case LFUN_CUT:
1011                 bv->hideCursor();
1012                 update(bv, false);
1013                 cutSelection(bv, true);
1014                 update(bv);
1015                 cmd.message(_("Cut"));
1016                 break;
1017
1018         case LFUN_COPY:
1019                 copySelection(bv);
1020                 cmd.message(_("Copy"));
1021                 break;
1022
1023         case LFUN_BEGINNINGBUFSEL:
1024                 if (inset_owner)
1025                         return Inset::UNDISPATCHED;
1026                 update(bv, false);
1027                 cursorTop(bv);
1028                 finishChange(bv, true);
1029                 break;
1030
1031         case LFUN_ENDBUFSEL:
1032                 if (inset_owner)
1033                         return Inset::UNDISPATCHED;
1034                 update(bv, false);
1035                 cursorBottom(bv);
1036                 finishChange(bv, true);
1037                 break;
1038
1039         case LFUN_GETXY:
1040                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1041                 break;
1042
1043         case LFUN_SETXY: {
1044                 int x = 0;
1045                 int y = 0;
1046                 istringstream is(cmd.argument.c_str());
1047                 is >> x >> y;
1048                 if (!is)
1049                         lyxerr << "SETXY: Could not parse coordinates in '"
1050                                << cmd.argument << std::endl;
1051                 else
1052                         setCursorFromCoordinates(bv, x, y);
1053                 break;
1054         }
1055
1056         case LFUN_GETFONT:
1057                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1058                         cmd.message("E");
1059                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1060                         cmd.message("N");
1061                 else
1062                         cmd.message("0");
1063                 break;
1064
1065         case LFUN_GETLAYOUT:
1066                 cmd.message(tostr(cursor.par()->layout()));
1067                 break;
1068
1069         case LFUN_LAYOUT: {
1070                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1071                   << cmd.argument << endl;
1072
1073                 // This is not the good solution to the empty argument
1074                 // problem, but it will hopefully suffice for 1.2.0.
1075                 // The correct solution would be to augument the
1076                 // function list/array with information about what
1077                 // functions needs arguments and their type.
1078                 if (cmd.argument.empty()) {
1079                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1080                         break;
1081                 }
1082
1083                 // Derive layout number from given argument (string)
1084                 // and current buffer's textclass (number)
1085                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1086                 bool hasLayout = tclass.hasLayout(cmd.argument);
1087                 string layout = cmd.argument;
1088
1089                 // If the entry is obsolete, use the new one instead.
1090                 if (hasLayout) {
1091                         string const & obs = tclass[layout]->obsoleted_by();
1092                         if (!obs.empty())
1093                                 layout = obs;
1094                 }
1095
1096                 if (!hasLayout) {
1097                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1098                                 N_(" not known"));
1099                         break;
1100                 }
1101
1102                 bool change_layout = (current_layout != layout);
1103                 if (!change_layout && selection.set() &&
1104                         selection.start.par() != selection.end.par())
1105                 {
1106                         Paragraph * spar = selection.start.par();
1107                         Paragraph * epar = selection.end.par()->next();
1108                         while (spar != epar) {
1109                                 if (spar->layout()->name() != current_layout) {
1110                                         change_layout = true;
1111                                         break;
1112                                 }
1113                                 spar = spar->next();
1114                         }
1115                 }
1116                 if (change_layout) {
1117                         bv->hideCursor();
1118                         current_layout = layout;
1119                         update(bv, false);
1120                         setLayout(bv, layout);
1121                         bv->owner()->setLayout(layout);
1122                         update(bv);
1123                         bv->switchKeyMap();
1124                 }
1125                 break;
1126         }
1127
1128         case LFUN_PASTESELECTION: {
1129                 if (!bv->buffer())
1130                         break;
1131                 bv->hideCursor();
1132                 // this was originally a beforeChange(bv->text), i.e
1133                 // the outermost LyXText!
1134                 bv->beforeChange(this);
1135                 string const clip = bv->getClipboard();
1136                 if (!clip.empty()) {
1137                         if (cmd.argument == "paragraph")
1138                                 insertStringAsParagraphs(bv, clip);
1139                         else
1140                                 insertStringAsLines(bv, clip);
1141                         clearSelection();
1142                         update(bv);
1143                 }
1144                 break;
1145         }
1146
1147         case LFUN_GOTOERROR:
1148                 gotoInset(bv, Inset::ERROR_CODE, false);
1149                 break;
1150
1151         case LFUN_GOTONOTE:
1152                 gotoInset(bv, Inset::NOTE_CODE, false);
1153                 break;
1154
1155         case LFUN_REFERENCE_GOTO:
1156         {
1157                 vector<Inset::Code> tmp;
1158                 tmp.push_back(Inset::LABEL_CODE);
1159                 tmp.push_back(Inset::REF_CODE);
1160                 gotoInset(bv, tmp, true);
1161                 break;
1162         }
1163
1164         case LFUN_QUOTE: {
1165                 Paragraph const * par = cursor.par();
1166                 lyx::pos_type pos = cursor.pos();
1167                 char c;
1168                 if (!pos)
1169                         c = ' ';
1170                 else if (par->isInset(pos - 1) && par->getInset(pos - 1)->isSpace())
1171                         c = ' ';
1172                 else
1173                         c = par->getChar(pos - 1);
1174
1175                 bv->hideCursor();
1176                 LyXLayout_ptr const & style = par->layout();
1177
1178                 if (style->pass_thru ||
1179                                 par->getFontSettings(bv->buffer()->params,
1180                                          pos).language()->lang() == "hebrew" ||
1181                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1182                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1183                 break;
1184         }
1185
1186         case LFUN_DATE_INSERT: {
1187                 time_t now_time_t = time(NULL);
1188                 struct tm * now_tm = localtime(&now_time_t);
1189                 setlocale(LC_TIME, "");
1190                 string arg;
1191                 if (!cmd.argument.empty())
1192                         arg = cmd.argument;
1193                 else
1194                         arg = lyxrc.date_insert_format;
1195                 char datetmp[32];
1196                 int const datetmp_len =
1197                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1198
1199                 for (int i = 0; i < datetmp_len; i++) {
1200                         insertChar(bv, datetmp[i]);
1201                         update(bv, true);
1202                 }
1203                 selection.cursor = cursor;
1204                 moveCursorUpdate(bv, false);
1205                 break;
1206         }
1207
1208         case LFUN_MOUSE_TRIPLE:
1209                 if (!bv->buffer())
1210                         break;
1211                 if (bv_owner && bv->theLockingInset())
1212                         break;
1213                 if (cmd.button() == mouse_button::button1) {
1214                         if (bv_owner) {
1215                                 bv->screen().hideCursor();
1216                                 bv->screen().toggleSelection(this, bv);
1217                         }
1218                         cursorHome(bv);
1219                         selection.cursor = cursor;
1220                         cursorEnd(bv);
1221                         setSelection(bv);
1222                         if (bv_owner)
1223                                 bv->screen().toggleSelection(this, bv, false);
1224                         update(bv, false);
1225                         bv->haveSelection(selection.set());
1226                 }
1227                 break;
1228
1229         case LFUN_MOUSE_DOUBLE:
1230                 if (!bv->buffer())
1231                         break;
1232                 if (bv_owner && bv->theLockingInset())
1233                         break;
1234                 if (cmd.button() == mouse_button::button1) {
1235                         if (bv_owner) {
1236                                 bv->screen().hideCursor();
1237                                 bv->screen().toggleSelection(this, bv);
1238                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1239                                 bv->screen().toggleSelection(this, bv, false);
1240                         } else {
1241                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1242                         }
1243                         update(bv, false);
1244                         bv->haveSelection(selection.set());
1245                 }
1246                 break;
1247
1248         case LFUN_MOUSE_MOTION:
1249         {
1250                 // Only use motion with button 1
1251                 //if (ev.button() != mouse_button::button1)
1252                 //      return false;
1253
1254                 if (!bv->buffer())
1255                         break;
1256
1257                 // Check for inset locking
1258                 if (bv->theLockingInset()) {
1259                         Inset * tli = bv->theLockingInset();
1260                         LyXCursor cursor = bv->text->cursor;
1261                         LyXFont font = bv->text->getFont(bv->buffer(),
1262                                                                 cursor.par(), cursor.pos());
1263                         int width = tli->width(bv, font);
1264                         int inset_x = font.isVisibleRightToLeft()
1265                                 ? cursor.ix() - width : cursor.ix();
1266                         int start_x = inset_x + tli->scroll();
1267                         FuncRequest cmd1 = cmd;
1268                         cmd1.x = cmd.x - start_x;
1269                         cmd1.y = cmd.y - cursor.iy() + bv->text->first_y;
1270                         tli->localDispatch(cmd1);
1271                         break;
1272                 }
1273
1274                 // The test for not selection possible is needed, that only motion
1275                 // events are used, where the bottom press event was on
1276                 //  the drawing area too
1277                 if (!selection_possible) {
1278                         lyxerr[Debug::ACTION]
1279                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1280                         break;
1281                 }
1282
1283                 bv->screen().hideCursor();
1284
1285                 Row * cursorrow = bv->text->cursor.row();
1286                 bv->text->setCursorFromCoordinates(bv, cmd.x, cmd.y + bv->text->first_y);
1287         #if 0
1288                 // sorry for this but I have a strange error that the y value jumps at
1289                 // a certain point. This seems like an error in my xforms library or
1290                 // in some other local environment, but I would like to leave this here
1291                 // for the moment until I can remove this (Jug 20020418)
1292                 if (y_before < bv->text->cursor.y())
1293                         lyxerr << y_before << ":" << bv->text->cursor.y() << endl;
1294         #endif
1295                 // This is to allow jumping over large insets
1296                 if (cursorrow == bv->text->cursor.row()) {
1297                         if (cmd.y >= int(bv->workHeight()))
1298                                 bv->text->cursorDown(bv, false);
1299                         else if (cmd.y < 0)
1300                                 bv->text->cursorUp(bv, false);
1301                 }
1302
1303                 // Maybe an empty line was deleted
1304                 if (!bv->text->selection.set())
1305                         bv->update(bv->text, BufferView::UPDATE);
1306                 bv->text->setSelection(bv);
1307                 bv->screen().toggleToggle(bv->text, bv);
1308                 bv->fitCursor();
1309                 bv->showCursor();
1310                 break;
1311         }
1312
1313         // Single-click on work area
1314         case LFUN_MOUSE_PRESS:
1315         {
1316                 if (!bv->buffer())
1317                         break;
1318
1319                 // ok ok, this is a hack (for xforms)
1320                 // We shouldn't go further down as we really should only do the
1321                 // scrolling and be done with this. Otherwise we may open some
1322                 // dialogs (Jug 20020424).
1323                 if (cmd.button() == mouse_button::button4) {
1324                         bv->scroll(-lyxrc.wheel_jump);
1325                         break;
1326                 }
1327                 if (cmd.button() == mouse_button::button5) {
1328                         bv->scroll(lyxrc.wheel_jump);
1329                         break;
1330                 }
1331
1332                 int x = cmd.x;
1333                 int y = cmd.y;
1334                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1335
1336                 // Middle button press pastes if we have a selection
1337                 // We do this here as if the selection was inside an inset
1338                 // it could get cleared on the unlocking of the inset so
1339                 // we have to check this first
1340                 bool paste_internally = false;
1341                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1342                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1343                         paste_internally = true;
1344                 }
1345
1346                 int const screen_first = bv->text->first_y;
1347
1348                 if (bv->theLockingInset()) {
1349                         // We are in inset locking mode
1350
1351                         // Check whether the inset was hit. If not reset mode,
1352                         // otherwise give the event to the inset
1353                         if (inset_hit == bv->theLockingInset()) {
1354                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1355                                 bv->theLockingInset()->localDispatch(cmd1);
1356                                 break;
1357                         }
1358                         bv->unlockInset(bv->theLockingInset());
1359                 }
1360
1361                 if (!inset_hit)
1362                         selection_possible = true;
1363                 bv->screen().hideCursor();
1364
1365                 // Clear the selection
1366                 bv->screen().toggleSelection(bv->text, bv);
1367                 bv->text->clearSelection();
1368                 bv->text->fullRebreak(bv);
1369                 bv->update();
1370                 bv->updateScrollbar();
1371
1372                 // Single left click in math inset?
1373                 if (isHighlyEditableInset(inset_hit)) {
1374                         // Highly editable inset, like math
1375                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1376                         selection_possible = false;
1377                         bv->owner()->updateLayoutChoice();
1378                         bv->owner()->message(inset->editMessage());
1379                         //inset->edit(bv, x, y, cmd.button());
1380                         // We just have to lock the inset before calling a PressEvent on it!
1381                         // we don't need the edit() call here! (Jug20020329)
1382                         if (!bv->lockInset(inset))
1383                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1384                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1385                         inset->localDispatch(cmd1);
1386                         break;
1387                 }
1388                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1389
1390                 // Right click on a footnote flag opens float menu
1391                 if (cmd.button() == mouse_button::button3) {
1392                         selection_possible = false;
1393                         break;
1394                 }
1395
1396                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1397                         bv->text->setCursorFromCoordinates(bv, x, y + screen_first);
1398                 finishUndo();
1399                 bv->text->selection.cursor = bv->text->cursor;
1400                 bv->text->cursor.x_fix(bv->text->cursor.x());
1401
1402                 bv->owner()->updateLayoutChoice();
1403                 if (bv->fitCursor())
1404                         selection_possible = false;
1405
1406                 // Insert primary selection with middle mouse
1407                 // if there is a local selection in the current buffer,
1408                 // insert this
1409                 if (cmd.button() == mouse_button::button2) {
1410                         if (paste_internally)
1411                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1412                         else
1413                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1414                         selection_possible = false;
1415                 }
1416                 break;
1417         }
1418
1419         case LFUN_MOUSE_RELEASE:
1420         {
1421                 // do nothing if we used the mouse wheel
1422                 if (!bv->buffer())
1423                         break;
1424
1425                 if (cmd.button() == mouse_button::button4
1426                  || cmd.button() == mouse_button::button5)
1427                         break;
1428
1429                 // If we hit an inset, we have the inset coordinates in these
1430                 // and inset_hit points to the inset.  If we do not hit an
1431                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1432                 int x = cmd.x;
1433                 int y = cmd.y;
1434                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1435
1436                 if (bv->theLockingInset()) {
1437                         // We are in inset locking mode.
1438
1439                         // LyX does a kind of work-area grabbing for insets.
1440                         // Only a ButtonPress FuncRequest outside the inset will
1441                         // force a insetUnlock.
1442                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1443                         bv->theLockingInset()->localDispatch(cmd1);
1444                         break;
1445                 }
1446
1447                 selection_possible = false;
1448
1449                 if (cmd.button() == mouse_button::button2)
1450                         break;
1451
1452                 // finish selection
1453                 if (cmd.button() == mouse_button::button1)
1454                         bv->haveSelection(selection.set());
1455
1456                 bv->switchKeyMap();
1457                 bv->owner()->view_state_changed();
1458                 bv->owner()->updateMenubar();
1459                 bv->owner()->updateToolbar();
1460
1461                 // Did we hit an editable inset?
1462                 if (inset_hit) {
1463                         selection_possible = false;
1464
1465                         // if we reach this point with a selection, it
1466                         // must mean we are currently selecting.
1467                         // But we don't want to open the inset
1468                         // because that is annoying for the user.
1469                         // So just pretend we didn't hit it.
1470                         // this is OK because a "kosher" ButtonRelease
1471                         // will follow a ButtonPress that clears
1472                         // the selection.
1473                         // Note this also fixes selection drawing
1474                         // problems if we end up opening an inset
1475                         if (selection.set())
1476                                 break;
1477
1478                         // CHECK fix this proper in 0.13
1479                         // well, maybe 13.0 !!!!!!!!!
1480
1481                         // Following a ref shouldn't issue
1482                         // a push on the undo-stack
1483                         // anylonger, now that we have
1484                         // keybindings for following
1485                         // references and returning from
1486                         // references.  IMHO though, it
1487                         // should be the inset's own business
1488                         // to push or not push on the undo
1489                         // stack. They don't *have* to
1490                         // alter the document...
1491                         // (Joacim)
1492                         // ...or maybe the SetCursorParUndo()
1493                         // below isn't necessary at all anylonger?
1494                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1495                                 setCursorParUndo(bv);
1496
1497                         bv->owner()->message(inset_hit->editMessage());
1498
1499                         if (isHighlyEditableInset(inset_hit)) {
1500                                 // Highly editable inset, like math
1501                                 UpdatableInset * inset = (UpdatableInset *) inset_hit;
1502                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1503                                 inset->localDispatch(cmd1);
1504                         } else {
1505                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1506                                 inset_hit->localDispatch(cmd1);
1507                                 // IMO this is a grosshack! Inset's should be changed so that
1508                                 // they call the actions they have to do with the insetButtonRel.
1509                                 // function and not in the edit(). This should be changed
1510                                 // (Jug 20020329)
1511 #ifdef WITH_WARNINGS
1512 #warning Please remove donot call inset->edit() here (Jug 20020812)
1513 #endif
1514                                 inset_hit->edit(bv, x, y, cmd.button());
1515                         }
1516                         break;
1517                 }
1518
1519                 // Maybe we want to edit a bibitem ale970302
1520                 if (bv->text->cursor.par()->bibkey) {
1521                         bool const is_rtl =
1522                                 bv->text->cursor.par()->isRightToLeftPar(bv->buffer()->params);
1523                         int const width =
1524                                 bibitemMaxWidth(bv, bv->buffer()->params.getLyXTextClass().defaultfont());
1525                         if ((is_rtl && x > bv->text->workWidth(bv)-20-width) ||
1526                                         (!is_rtl && x < 20 + width)) {
1527                                 bv->text->cursor.par()->bibkey->edit(bv, 0, 0, mouse_button::none);
1528                         }
1529                 }
1530                 break;
1531         }
1532
1533         case LFUN_SELFINSERT: {
1534                 if (cmd.argument.empty())
1535                         break;
1536
1537                 // Automatically delete the currently selected
1538                 // text and replace it with what is being
1539                 // typed in now. Depends on lyxrc settings
1540                 // "auto_region_delete", which defaults to
1541                 // true (on).
1542
1543                 if (lyxrc.auto_region_delete) {
1544                         if (selection.set()) {
1545                                 cutSelection(bv, false, false);
1546                                 update(bv);
1547                         }
1548                         bv->haveSelection(false);
1549                 }
1550
1551                 bv->beforeChange(this);
1552                 LyXFont const old_font(real_current_font);
1553
1554                 string::const_iterator cit = cmd.argument.begin();
1555                 string::const_iterator end = cmd.argument.end();
1556                 for (; cit != end; ++cit)
1557                         bv->owner()->getIntl().getTransManager().
1558                                 TranslateAndInsert(*cit, this);
1559
1560                 update(bv);
1561                 selection.cursor = cursor;
1562                 moveCursorUpdate(bv, false);
1563
1564                 // real_current_font.number can change so we need to
1565                 // update the minibuffer
1566                 if (old_font != real_current_font)
1567                         bv->owner()->view_state_changed();
1568                 break;
1569         }
1570
1571         case LFUN_HTMLURL: {
1572                 InsetCommandParams p("htmlurl");
1573                 bv->owner()->getDialogs().createUrl(p.getAsString());
1574                 break;
1575         }
1576
1577         case LFUN_URL: {
1578                 InsetCommandParams p("url");
1579                 bv->owner()->getDialogs().createUrl(p.getAsString());
1580                 break;
1581         }
1582
1583
1584 #if 0
1585         case LFUN_INSET_LIST:
1586         case LFUN_INSET_THEOREM:
1587 #endif
1588         case LFUN_INSERT_NOTE:
1589         case LFUN_INSERT_URL:
1590         case LFUN_INSET_CAPTION:
1591         case LFUN_INSET_ERT:
1592         case LFUN_INSET_EXTERNAL:
1593         case LFUN_INSET_FLOAT:
1594         case LFUN_INSET_FOOTNOTE:
1595         case LFUN_INSET_MARGINAL:
1596         case LFUN_INSET_MINIPAGE:
1597         case LFUN_INSET_OPTARG:
1598         case LFUN_INSET_WIDE_FLOAT:
1599         case LFUN_INSET_WRAP:
1600         case LFUN_TABULAR_INSERT:
1601         case LFUN_INDEX_INSERT:
1602         case LFUN_INDEX_PRINT:
1603         case LFUN_PARENTINSERT:
1604         case LFUN_TOC_INSERT:
1605         {
1606                 Inset * inset = createInset(cmd);
1607                 if (inset) {
1608                         bool gotsel = false;
1609                         if (selection.set()) {
1610                                 cutSelection(bv, true, false);
1611                                 gotsel = true;
1612                         }
1613                         if (bv->insertInset(inset)) {
1614                                 inset->edit(bv);
1615                                 if (gotsel)
1616                                         bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION));
1617                         }
1618                         else
1619                                 delete inset;
1620                 }
1621                 break;
1622         }
1623
1624
1625         default:
1626                 return Inset::UNDISPATCHED;
1627         }
1628
1629         return Inset::DISPATCHED;
1630 }