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/WorkArea.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
  44 extern string current_layout;
  45 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  46
  47 // the selection possible is needed, that only motion events are
  48 // used, where the bottom press event was on the drawing area too
  49 bool selection_possible = false;
  50
  51
  52 namespace {
  53
  54         void moveCursorUpdate(BufferView * bv, bool selecting)
  55         {
  56                 LyXText * lt = bv->getLyXText();
  57
  58                 if (selecting || lt->selection.mark()) {
  59                         lt->setSelection(bv);
  60                         if (lt->bv_owner)
  61                                 bv->toggleToggle();
  62                         else
  63                                 bv->updateInset(lt->inset_owner, false);
  64                 }
  65                 if (lt->bv_owner) {
  66                         //if (fitcur)
  67                         //      bv->update(lt, BufferView::SELECT|BufferView::FITCUR);
  68                         //else
  69                         bv->update(lt, BufferView::SELECT|BufferView::FITCUR);
  70                         bv->showCursor();
  71                 } else if (bv->text->status() != LyXText::UNCHANGED) {
  72                         bv->theLockingInset()->hideInsetCursor(bv);
  73                         bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
  74                         bv->showCursor();
  75                 }
  76
  77                 if (!lt->selection.set())
  78                         bv->workarea().haveSelection(false);
  79
  80                 bv->switchKeyMap();
  81         }
  82
  83
  84         void finishChange(BufferView * bv, bool selecting = false)
  85         {
  86                 finishUndo();
  87                 moveCursorUpdate(bv, selecting);
  88                 bv->owner()->view_state_changed();
  89         }
  90
  91         // check if the given co-ordinates are inside an inset at the
  92         // given cursor, if one exists. If so, the inset is returned,
  93         // and the co-ordinates are made relative. Otherwise, 0 is returned.
  94         Inset * checkInset(BufferView * bv, LyXText const & text,
  95                 LyXCursor const & cur, int & x, int & y)
  96         {
  97                 lyx::pos_type const pos = cur.pos();
  98                 Paragraph /*const*/ & par = *cur.par();
  99
 100                 if (pos >= par.size() || !par.isInset(pos))
 101                         return 0;
 102
 103                 Inset /*const*/ * inset = par.getInset(pos);
 104
 105                 if (!isEditableInset(inset))
 106                         return 0;
 107
 108                 // get inset dimensions
 109                 lyx::Assert(par.getInset(pos));
 110
 111                 LyXFont const & font = text.getFont(bv->buffer(), &par, pos);
 112
 113                 int const width = inset->width(bv, font);
 114                 int const inset_x = font.isVisibleRightToLeft()
 115                         ? (cur.ix() - width) : cur.ix();
 116
 117                 Box b(
 118                         inset_x + inset->scroll(),
 119                         inset_x + width,
 120                         cur.iy() - inset->ascent(bv, font),
 121                         cur.iy() + inset->descent(bv, font)
 122                 );
 123
 124                 if (!b.contained(x, y)) {
 125                         lyxerr[Debug::GUI] << "Missed inset at x,y " << x << "," << y
 126                                 << " box " << b << endl;
 127                         return 0;
 128                 }
 129
 130                 text.setCursor(bv, &par, pos, true);
 131
 132                 x -= b.x1;
 133                 // The origin of an inset is on the baseline
 134                 y -= text.cursor.iy();
 135
 136                 return inset;
 137         }
 138
 139 } // anon namespace
 140
 141
 142 Inset * LyXText::checkInsetHit(BufferView * bv, int & x, int & y) const
 143 {
 144         int y_tmp = y + first_y;
 145
 146         LyXCursor cur;
 147         setCursorFromCoordinates(bv, cur, x, y_tmp);
 148
 149         Inset * inset = checkInset(bv, *this, cur, x, y_tmp);
 150         if (inset) {
 151                 y = y_tmp;
 152                 return inset;
 153         }
 154
 155         // look at previous position
 156         if (cur.pos() == 0)
 157                 return 0;
 158
 159         // move back one
 160         setCursor(bv, cur, cur.par(), cur.pos() - 1, true);
 161
 162         inset = checkInset(bv, *this, cur, x, y_tmp);
 163         if (inset)
 164                 y = y_tmp;
 165         return inset;
 166 }
 167
 168
 169 bool LyXText::gotoNextInset(BufferView * bv,
 170         vector<Inset::Code> const & codes, string const & contents) const
 171 {
 172         LyXCursor res = cursor;
 173         Inset * inset;
 174         do {
 175                 if (res.pos() < res.par()->size() - 1) {
 176                         res.pos(res.pos() + 1);
 177                 } else  {
 178                         res.par(res.par()->next());
 179                         res.pos(0);
 180                 }
 181
 182         } while (res.par() &&
 183                  !(res.par()->isInset(res.pos())
 184                    && (inset = res.par()->getInset(res.pos())) != 0
 185                    && find(codes.begin(), codes.end(), inset->lyxCode())
 186                    != codes.end()
 187                    && (contents.empty() ||
 188                        static_cast<InsetCommand *>(
 189                                                         res.par()->getInset(res.pos()))->getContents()
 190                        == contents)));
 191
 192         if (res.par()) {
 193                 setCursor(bv, res.par(), res.pos(), false);
 194                 return true;
 195         }
 196         return false;
 197 }
 198
 199
 200 void LyXText::gotoInset(BufferView * bv, vector<Inset::Code> const & codes,
 201                                   bool same_content)
 202 {
 203         bv->hideCursor();
 204         bv->beforeChange(this);
 205         update(bv, false);
 206
 207         string contents;
 208         if (same_content && cursor.par()->isInset(cursor.pos())) {
 209                 Inset const * inset = cursor.par()->getInset(cursor.pos());
 210                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 211                     != codes.end())
 212                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 213         }
 214
 215         if (!gotoNextInset(bv, codes, contents)) {
 216                 if (cursor.pos() || cursor.par() != ownerParagraph()) {
 217                         LyXCursor tmp = cursor;
 218                         cursor.par(ownerParagraph());
 219                         cursor.pos(0);
 220                         if (!gotoNextInset(bv, codes, contents)) {
 221                                 cursor = tmp;
 222                                 bv->owner()->message(_("No more insets"));
 223                         }
 224                 } else {
 225                         bv->owner()->message(_("No more insets"));
 226                 }
 227         }
 228         update(bv, false);
 229         selection.cursor = cursor;
 230 }
 231
 232
 233 void LyXText::gotoInset(BufferView * bv, Inset::Code code, bool same_content)
 234 {
 235         gotoInset(bv, vector<Inset::Code>(1, code), same_content);
 236 }
 237
 238
 239 void LyXText::cursorPrevious(BufferView * bv)
 240 {
 241         if (!cursor.row()->previous()) {
 242                 if (first_y > 0) {
 243                         int new_y = bv->text->first_y - bv->workarea().workHeight();
 244                         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 245                         bv->updateScrollbar();
 246                 }
 247                 return;
 248         }
 249
 250         int y = first_y;
 251         Row * cursorrow = cursor.row();
 252
 253         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 254         finishUndo();
 255
 256         int new_y;
 257         if (cursorrow == bv->text->cursor.row()) {
 258                 // we have a row which is higher than the workarea so we leave the
 259                 // cursor on the start of the row and move only the draw up as soon
 260                 // as we move the cursor or do something while inside the row (it may
 261                 // span several workarea-heights) we'll move to the top again, but this
 262                 // is better than just jump down and only display part of the row.
 263                 new_y = bv->text->first_y - bv->workarea().workHeight();
 264         } else {
 265                 if (inset_owner) {
 266                         new_y = bv->text->cursor.iy()
 267                                 + bv->theLockingInset()->insetInInsetY() + y
 268                                 + cursor.row()->height()
 269                                 - bv->workarea().workHeight() + 1;
 270                 } else {
 271                         new_y = cursor.y()
 272                                 - cursor.row()->baseline()
 273                                 + cursor.row()->height()
 274                                 - bv->workarea().workHeight() + 1;
 275                 }
 276         }
 277         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 278         if (cursor.row()->previous()) {
 279                 LyXCursor cur;
 280                 setCursor(bv, cur, cursor.row()->previous()->par(),
 281                                                 cursor.row()->previous()->pos(), false);
 282                 if (cur.y() > first_y) {
 283                         cursorUp(bv, true);
 284                 }
 285         }
 286         bv->updateScrollbar();
 287 }
 288
 289
 290 void LyXText::cursorNext(BufferView * bv)
 291 {
 292         if (!cursor.row()->next()) {
 293                 int y = cursor.y() - cursor.row()->baseline() +
 294                         cursor.row()->height();
 295                 if (y > int(first_y + bv->workarea().workHeight())) {
 296                         bv->screen().draw(bv->text, bv,
 297                                                   bv->text->first_y + bv->workarea().workHeight());
 298                         bv->updateScrollbar();
 299                 }
 300                 return;
 301         }
 302
 303         int y = first_y + bv->workarea().workHeight();
 304         if (inset_owner && !first_y) {
 305                 y -= (bv->text->cursor.iy()
 306                           - bv->text->first_y
 307                           + bv->theLockingInset()->insetInInsetY());
 308         }
 309
 310         getRowNearY(y);
 311
 312         Row * cursorrow = cursor.row();
 313         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 314         // + workarea().workHeight());
 315         finishUndo();
 316
 317         int new_y;
 318         if (cursorrow == bv->text->cursor.row()) {
 319                 // we have a row which is higher than the workarea so we leave the
 320                 // cursor on the start of the row and move only the draw down as soon
 321                 // as we move the cursor or do something while inside the row (it may
 322                 // span several workarea-heights) we'll move to the top again, but this
 323                 // is better than just jump down and only display part of the row.
 324                 new_y = bv->text->first_y + bv->workarea().workHeight();
 325         } else {
 326                 if (inset_owner) {
 327                         new_y = bv->text->cursor.iy()
 328                                 + bv->theLockingInset()->insetInInsetY()
 329                                 + y - cursor.row()->baseline();
 330                 } else {
 331                         new_y =  cursor.y() - cursor.row()->baseline();
 332                 }
 333         }
 334         bv->screen().draw(bv->text, bv, new_y);
 335         if (cursor.row()->next()) {
 336                 LyXCursor cur;
 337                 setCursor(bv, cur, cursor.row()->next()->par(),
 338                                                 cursor.row()->next()->pos(), false);
 339                 if (cur.y() < int(first_y + bv->workarea().workHeight())) {
 340                         cursorDown(bv, true);
 341                 }
 342         }
 343         bv->updateScrollbar();
 344 }
 345
 346
 347 void LyXText::update(BufferView * bv, bool changed)
 348 {
 349         BufferView::UpdateCodes c = BufferView::SELECT | BufferView::FITCUR;
 350         if (changed)
 351                 bv->update(this, c | BufferView::CHANGE);
 352         else
 353                 bv->update(this, c);
 354 }
 355
 356
 357 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 358 {
 359         bv->hideCursor();
 360         lt->update(bv);
 361         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 362         if (!bv->insertInset(new_inset))
 363                 delete new_inset;
 364         else
 365                 bv->updateInset(new_inset, true);
 366 }
 367
 368
 369 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 370 {
 371         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 372                               <<"] arg[" << cmd.argument << "]" << endl;
 373
 374         BufferView * bv = cmd.view();
 375
 376         switch (cmd.action) {
 377
 378         case LFUN_APPENDIX: {
 379                 Paragraph * par = cursor.par();
 380                 bool start = !par->params().startOfAppendix();
 381
 382                 // ensure that we have only one start_of_appendix in this document
 383                 Paragraph * tmp = ownerParagraph();
 384                 for (; tmp; tmp = tmp->next())
 385                         tmp->params().startOfAppendix(false);
 386
 387                 par->params().startOfAppendix(start);
 388
 389                 // we can set the refreshing parameters now
 390                 status(cmd.view(), LyXText::NEED_MORE_REFRESH);
 391                 refresh_y = 0;
 392                 refresh_row = 0; // not needed for full update
 393                 updateCounters(cmd.view());
 394                 setCursor(cmd.view(), cursor.par(), cursor.pos());
 395                 update(bv);
 396                 break;
 397         }
 398
 399         case LFUN_DELETE_WORD_FORWARD:
 400                 bv->beforeChange(this);
 401                 update(bv, false);
 402                 deleteWordForward(bv);
 403                 update(bv);
 404                 finishChange(bv);
 405                 break;
 406
 407         case LFUN_DELETE_WORD_BACKWARD:
 408                 bv->beforeChange(this);
 409                 update(bv, false);
 410                 deleteWordBackward(bv);
 411                 update(bv, true);
 412                 finishChange(bv);
 413                 break;
 414
 415         case LFUN_DELETE_LINE_FORWARD:
 416                 bv->beforeChange(this);
 417                 update(bv, false);
 418                 deleteLineForward(bv);
 419                 update(bv);
 420                 finishChange(bv);
 421                 break;
 422
 423         case LFUN_SHIFT_TAB:
 424         case LFUN_TAB:
 425                 if (!selection.mark())
 426                         bv->beforeChange(this);
 427                 update(bv, false);
 428                 cursorTab(bv);
 429                 finishChange(bv);
 430                 break;
 431
 432         case LFUN_WORDRIGHT:
 433                 if (!selection.mark())
 434                         bv->beforeChange(this);
 435                 update(bv, false);
 436                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 437                         cursorLeftOneWord(bv);
 438                 else
 439                         cursorRightOneWord(bv);
 440                 finishChange(bv);
 441                 break;
 442
 443         case LFUN_WORDLEFT:
 444                 if (!selection.mark())
 445                         bv->beforeChange(this);
 446                 update(bv, false);
 447                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 448                         cursorRightOneWord(bv);
 449                 else
 450                         cursorLeftOneWord(bv);
 451                 finishChange(bv);
 452                 break;
 453
 454         case LFUN_BEGINNINGBUF:
 455                 if (!selection.mark())
 456                         bv->beforeChange(this);
 457                 update(bv, false);
 458                 cursorTop(bv);
 459                 finishChange(bv);
 460                 break;
 461
 462         case LFUN_ENDBUF:
 463                 if (selection.mark())
 464                         bv->beforeChange(this);
 465                 update(bv, false);
 466                 cursorBottom(bv);
 467                 finishChange(bv);
 468                 break;
 469
 470         case LFUN_RIGHTSEL:
 471                 update(bv, false);
 472                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 473                         cursorLeft(bv);
 474                 else
 475                         cursorRight(bv);
 476                 finishChange(bv, true);
 477                 break;
 478
 479         case LFUN_LEFTSEL:
 480                 update(bv, false);
 481                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 482                         cursorRight(bv);
 483                 else
 484                         cursorLeft(bv);
 485                 finishChange(bv, true);
 486                 break;
 487
 488         case LFUN_UPSEL:
 489                 update(bv, false);
 490                 cursorUp(bv, true);
 491                 finishChange(bv, true);
 492                 break;
 493
 494         case LFUN_DOWNSEL:
 495                 update(bv, false);
 496                 cursorDown(bv, true);
 497                 finishChange(bv, true);
 498                 break;
 499
 500         case LFUN_UP_PARAGRAPHSEL:
 501                 update(bv, false);
 502                 cursorUpParagraph(bv);
 503                 finishChange(bv, true);
 504                 break;
 505
 506         case LFUN_DOWN_PARAGRAPHSEL:
 507                 update(bv, false);
 508                 cursorDownParagraph(bv);
 509                 finishChange(bv, true);
 510                 break;
 511
 512         case LFUN_PRIORSEL:
 513                 update(bv, false);
 514                 cursorPrevious(bv);
 515                 finishChange(bv, true);
 516                 break;
 517
 518         case LFUN_NEXTSEL:
 519                 update(bv, false);
 520                 cursorNext(bv);
 521                 finishChange(bv, true);
 522                 break;
 523
 524         case LFUN_HOMESEL:
 525                 update(bv, false);
 526                 cursorHome(bv);
 527                 finishChange(bv, true);
 528                 break;
 529
 530         case LFUN_ENDSEL:
 531                 update(bv, false);
 532                 cursorEnd(bv);
 533                 finishChange(bv, true);
 534                 break;
 535
 536         case LFUN_WORDRIGHTSEL:
 537                 update(bv, false);
 538                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 539                         cursorLeftOneWord(bv);
 540                 else
 541                         cursorRightOneWord(bv);
 542                 finishChange(bv, true);
 543                 break;
 544
 545         case LFUN_WORDLEFTSEL:
 546                 update(bv, false);
 547                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 548                         cursorRightOneWord(bv);
 549                 else
 550                         cursorLeftOneWord(bv);
 551                 finishChange(bv, true);
 552                 break;
 553
 554         case LFUN_RIGHT: {
 555                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 556                 if (!selection.mark())
 557                         bv->beforeChange(this);
 558                 update(bv);
 559                 if (is_rtl)
 560                         cursorLeft(bv, false);
 561                 if (cursor.pos() < cursor.par()->size()
 562                     && cursor.par()->isInset(cursor.pos())
 563                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 564                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 565                         cmd.message(tmpinset->editMessage());
 566                         tmpinset->edit(bv, !is_rtl);
 567                         break;
 568                 }
 569                 if (!is_rtl)
 570                         cursorRight(bv, false);
 571                 finishChange(bv);
 572                 break;
 573         }
 574
 575         case LFUN_LEFT: {
 576                 // This is soooo ugly. Isn`t it possible to make
 577                 // it simpler? (Lgb)
 578                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 579                 if (!selection.mark())
 580                         bv->beforeChange(this);
 581                 update(bv);
 582                 LyXCursor const cur = cursor;
 583                 if (!is_rtl)
 584                         cursorLeft(bv, false);
 585                 if ((is_rtl || cur != cursor) && // only if really moved!
 586                     cursor.pos() < cursor.par()->size() &&
 587                     cursor.par()->isInset(cursor.pos()) &&
 588                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 589                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 590                         cmd.message(tmpinset->editMessage());
 591                         tmpinset->edit(bv, is_rtl);
 592                         break;
 593                 }
 594                 if (is_rtl)
 595                         cursorRight(bv, false);
 596                 finishChange(bv);
 597                 break;
 598         }
 599
 600         case LFUN_UP:
 601                 if (!selection.mark())
 602                         bv->beforeChange(this);
 603                 bv->update(this, BufferView::UPDATE);
 604                 cursorUp(bv);
 605                 finishChange(bv);
 606                 break;
 607
 608         case LFUN_DOWN:
 609                 if (!selection.mark())
 610                         bv->beforeChange(this);
 611                 bv->update(this, BufferView::UPDATE);
 612                 cursorDown(bv);
 613                 finishChange(bv);
 614                 break;
 615
 616         case LFUN_UP_PARAGRAPH:
 617                 if (!selection.mark())
 618                         bv->beforeChange(this);
 619                 bv->update(this, BufferView::UPDATE);
 620                 cursorUpParagraph(bv);
 621                 finishChange(bv);
 622                 break;
 623
 624         case LFUN_DOWN_PARAGRAPH:
 625                 if (!selection.mark())
 626                         bv->beforeChange(this);
 627                 bv->update(this, BufferView::UPDATE);
 628                 cursorDownParagraph(bv);
 629                 finishChange(bv, false);
 630                 break;
 631
 632         case LFUN_PRIOR:
 633                 if (!selection.mark())
 634                         bv->beforeChange(this);
 635                 bv->update(this, BufferView::UPDATE);
 636                 cursorPrevious(bv);
 637                 finishChange(bv, false);
 638                 // was:
 639                 // finishUndo();
 640                 // moveCursorUpdate(bv, false, false);
 641                 // owner_->view_state_changed();
 642                 break;
 643
 644         case LFUN_NEXT:
 645                 if (!selection.mark())
 646                         bv->beforeChange(this);
 647                 bv->update(this, BufferView::UPDATE);
 648                 cursorNext(bv);
 649                 finishChange(bv, false);
 650                 break;
 651
 652         case LFUN_HOME:
 653                 if (!selection.mark())
 654                         bv->beforeChange(this);
 655                 update(bv);
 656                 cursorHome(bv);
 657                 finishChange(bv, false);
 658                 break;
 659
 660         case LFUN_END:
 661                 if (!selection.mark())
 662                         bv->beforeChange(this);
 663                 update(bv);
 664                 cursorEnd(bv);
 665                 finishChange(bv, false);
 666                 break;
 667
 668         case LFUN_BREAKLINE:
 669                 bv->beforeChange(this);
 670                 insertChar(bv, Paragraph::META_NEWLINE);
 671                 update(bv, true);
 672                 setCursor(bv, cursor.par(), cursor.pos());
 673                 moveCursorUpdate(bv, false);
 674                 break;
 675
 676         case LFUN_DELETE:
 677                 if (!selection.set()) {
 678                         Delete(bv);
 679                         selection.cursor = cursor;
 680                         update(bv);
 681                         // It is possible to make it a lot faster still
 682                         // just comment out the line below...
 683                         bv->showCursor();
 684                 } else {
 685                         update(bv, false);
 686                         cutSelection(bv, true);
 687                         update(bv);
 688                 }
 689                 moveCursorUpdate(bv, false);
 690                 bv->owner()->view_state_changed();
 691                 bv->switchKeyMap();
 692                 break;
 693
 694         case LFUN_DELETE_SKIP:
 695                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 696                 if (!selection.set()) {
 697                         LyXCursor cur = cursor;
 698                         if (cur.pos() == cur.par()->size()) {
 699                                 cursorRight(bv);
 700                                 cur = cursor;
 701                                 if (cur.pos() == 0
 702                                     && !(cur.par()->params().spaceTop()
 703                                          == VSpace (VSpace::NONE))) {
 704                                         setParagraph(bv,
 705                                                  cur.par()->params().lineTop(),
 706                                                  cur.par()->params().lineBottom(),
 707                                                  cur.par()->params().pagebreakTop(),
 708                                                  cur.par()->params().pagebreakBottom(),
 709                                                  VSpace(VSpace::NONE),
 710                                                  cur.par()->params().spaceBottom(),
 711                                                  cur.par()->params().spacing(),
 712                                                  cur.par()->params().align(),
 713                                                  cur.par()->params().labelWidthString(), 0);
 714                                         cursorLeft(bv);
 715                                         update(bv);
 716                                 } else {
 717                                         cursorLeft(bv);
 718                                         Delete(bv);
 719                                         selection.cursor = cursor;
 720                                 }
 721                         } else {
 722                                 Delete(bv);
 723                                 selection.cursor = cursor;
 724                         }
 725                 } else {
 726                         update(bv, false);
 727                         cutSelection(bv, true);
 728                 }
 729                 update(bv);
 730                 break;
 731
 732
 733         case LFUN_BACKSPACE:
 734                 if (!selection.set()) {
 735                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 736                                 backspace(bv);
 737                                 selection.cursor = cursor;
 738                                 update(bv);
 739                                 // It is possible to make it a lot faster still
 740                                 // just comment out the line below...
 741                                 bv->showCursor();
 742                         }
 743                 } else {
 744                         update(bv, false);
 745                         cutSelection(bv, true);
 746                         update(bv);
 747                 }
 748                 bv->owner()->view_state_changed();
 749                 bv->switchKeyMap();
 750                 break;
 751
 752         case LFUN_BACKSPACE_SKIP:
 753                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 754                 if (!selection.set()) {
 755                         LyXCursor cur = cursor;
 756                         if (cur.pos() == 0
 757                             && !(cur.par()->params().spaceTop()
 758                                  == VSpace (VSpace::NONE))) {
 759                                 setParagraph(bv,
 760                                          cur.par()->params().lineTop(),
 761                                          cur.par()->params().lineBottom(),
 762                                          cur.par()->params().pagebreakTop(),
 763                                          cur.par()->params().pagebreakBottom(),
 764                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 765                                          cur.par()->params().spacing(),
 766                                          cur.par()->params().align(),
 767                                          cur.par()->params().labelWidthString(), 0);
 768                         } else {
 769                                 backspace(bv);
 770                                 selection.cursor = cur;
 771                         }
 772                 } else {
 773                         update(bv, false);
 774                         cutSelection(bv, true);
 775                 }
 776                 update(bv);
 777                 break;
 778
 779         case LFUN_BREAKPARAGRAPH:
 780                 bv->beforeChange(this);
 781                 breakParagraph(bv, 0);
 782                 update(bv);
 783                 selection.cursor = cursor;
 784                 bv->switchKeyMap();
 785                 bv->owner()->view_state_changed();
 786                 break;
 787
 788         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 789                 bv->beforeChange(this);
 790                 breakParagraph(bv, 1);
 791                 update(bv);
 792                 selection.cursor = cursor;
 793                 bv->switchKeyMap();
 794                 bv->owner()->view_state_changed();
 795                 break;
 796
 797         case LFUN_BREAKPARAGRAPH_SKIP: {
 798                 // When at the beginning of a paragraph, remove
 799                 // indentation and add a "defskip" at the top.
 800                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 801                 LyXCursor cur = cursor;
 802                 bv->beforeChange(this);
 803                 if (cur.pos() == 0) {
 804                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 805                                 setParagraph(bv,
 806                                          cur.par()->params().lineTop(),
 807                                          cur.par()->params().lineBottom(),
 808                                          cur.par()->params().pagebreakTop(),
 809                                          cur.par()->params().pagebreakBottom(),
 810                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 811                                          cur.par()->params().spacing(),
 812                                          cur.par()->params().align(),
 813                                          cur.par()->params().labelWidthString(), 1);
 814                                 //update(bv);
 815                         }
 816                 }
 817                 else {
 818                         breakParagraph(bv, 0);
 819                         //update(bv);
 820                 }
 821                 update(bv);
 822                 selection.cursor = cur;
 823                 bv->switchKeyMap();
 824                 bv->owner()->view_state_changed();
 825                 break;
 826         }
 827
 828         case LFUN_PARAGRAPH_SPACING: {
 829                 Paragraph * par = cursor.par();
 830                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
 831                 float cur_value = 1.0;
 832                 if (cur_spacing == Spacing::Other)
 833                         cur_value = par->params().spacing().getValue();
 834
 835                 istringstream is(cmd.argument.c_str());
 836                 string tmp;
 837                 is >> tmp;
 838                 Spacing::Space new_spacing = cur_spacing;
 839                 float new_value = cur_value;
 840                 if (tmp.empty()) {
 841                         lyxerr << "Missing argument to `paragraph-spacing'"
 842                                << endl;
 843                 } else if (tmp == "single") {
 844                         new_spacing = Spacing::Single;
 845                 } else if (tmp == "onehalf") {
 846                         new_spacing = Spacing::Onehalf;
 847                 } else if (tmp == "double") {
 848                         new_spacing = Spacing::Double;
 849                 } else if (tmp == "other") {
 850                         new_spacing = Spacing::Other;
 851                         float tmpval = 0.0;
 852                         is >> tmpval;
 853                         lyxerr << "new_value = " << tmpval << endl;
 854                         if (tmpval != 0.0)
 855                                 new_value = tmpval;
 856                 } else if (tmp == "default") {
 857                         new_spacing = Spacing::Default;
 858                 } else {
 859                         lyxerr << _("Unknown spacing argument: ")
 860                                << cmd.argument << endl;
 861                 }
 862                 if (cur_spacing != new_spacing || cur_value != new_value) {
 863                         par->params().spacing(Spacing(new_spacing, new_value));
 864                         redoParagraph(bv);
 865                         update(bv);
 866                 }
 867                 break;
 868         }
 869
 870         case LFUN_INSET_TOGGLE:
 871                 bv->hideCursor();
 872                 bv->beforeChange(this);
 873                 update(bv, false);
 874                 toggleInset(bv);
 875                 update(bv, false);
 876                 bv->switchKeyMap();
 877                 break;
 878
 879         case LFUN_PROTECTEDSPACE:
 880                 if (cursor.par()->layout()->free_spacing) {
 881                         insertChar(bv, ' ');
 882                         update(bv);
 883                 } else {
 884                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 885                 }
 886                 moveCursorUpdate(bv, false);
 887                 break;
 888
 889         case LFUN_HYPHENATION:
 890                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 891                 break;
 892
 893         case LFUN_LIGATURE_BREAK:
 894                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 895                 break;
 896
 897         case LFUN_LDOTS:
 898                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 899                 break;
 900
 901         case LFUN_HFILL:
 902                 bv->hideCursor();
 903                 update(bv, false);
 904                 insertChar(bv, Paragraph::META_HFILL);
 905                 update(bv);
 906                 break;
 907
 908         case LFUN_END_OF_SENTENCE:
 909                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 910                 break;
 911
 912         case LFUN_MENU_SEPARATOR:
 913                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 914                 break;
 915
 916         case LFUN_MARK_OFF:
 917                 bv->beforeChange(this);
 918                 update(bv, false);
 919                 selection.cursor = cursor;
 920                 cmd.message(N_("Mark off"));
 921                 break;
 922
 923         case LFUN_MARK_ON:
 924                 bv->beforeChange(this);
 925                 selection.mark(true);
 926                 update(bv, false);
 927                 selection.cursor = cursor;
 928                 cmd.message(N_("Mark on"));
 929                 break;
 930
 931         case LFUN_SETMARK:
 932                 bv->beforeChange(this);
 933                 if (selection.mark()) {
 934                         update(bv);
 935                         cmd.message(N_("Mark removed"));
 936                 } else {
 937                         selection.mark(true);
 938                         update(bv);
 939                         cmd.message(N_("Mark set"));
 940                 }
 941                 selection.cursor = cursor;
 942                 break;
 943
 944         case LFUN_UPCASE_WORD:
 945                 update(bv, false);
 946                 changeCase(bv, LyXText::text_uppercase);
 947                 if (inset_owner)
 948                         bv->updateInset(inset_owner, true);
 949                 update(bv);
 950                 break;
 951
 952         case LFUN_LOWCASE_WORD:
 953                 update(bv, false);
 954                 changeCase(bv, LyXText::text_lowercase);
 955                 if (inset_owner)
 956                         bv->updateInset(inset_owner, true);
 957                 update(bv);
 958                 break;
 959
 960         case LFUN_CAPITALIZE_WORD:
 961                 update(bv, false);
 962                 changeCase(bv, LyXText::text_capitalization);
 963                 if (inset_owner)
 964                         bv->updateInset(inset_owner, true);
 965                 update(bv);
 966                 break;
 967
 968         case LFUN_TRANSPOSE_CHARS:
 969                 update(bv, false);
 970                 transposeChars(*bv);
 971                 if (inset_owner)
 972                         bv->updateInset(inset_owner, true);
 973                 update(bv);
 974                 break;
 975
 976         case LFUN_PASTE:
 977                 cmd.message(_("Paste"));
 978                 bv->hideCursor();
 979                 // clear the selection
 980                 bv->toggleSelection();
 981                 clearSelection();
 982                 update(bv, false);
 983                 pasteSelection(bv);
 984                 clearSelection(); // bug 393
 985                 update(bv, false);
 986                 update(bv);
 987                 bv->switchKeyMap();
 988                 break;
 989
 990         case LFUN_CUT:
 991                 bv->hideCursor();
 992                 update(bv, false);
 993                 cutSelection(bv, true);
 994                 update(bv);
 995                 cmd.message(_("Cut"));
 996                 break;
 997
 998         case LFUN_COPY:
 999                 copySelection(bv);
1000                 cmd.message(_("Copy"));
1001                 break;
1002
1003         case LFUN_BEGINNINGBUFSEL:
1004                 if (inset_owner)
1005                         return Inset::UNDISPATCHED;
1006                 update(bv, false);
1007                 cursorTop(bv);
1008                 finishChange(bv, true);
1009                 break;
1010
1011         case LFUN_ENDBUFSEL:
1012                 if (inset_owner)
1013                         return Inset::UNDISPATCHED;
1014                 update(bv, false);
1015                 cursorBottom(bv);
1016                 finishChange(bv, true);
1017                 break;
1018
1019         case LFUN_GETXY:
1020                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1021                 break;
1022
1023         case LFUN_SETXY: {
1024                 int x = 0;
1025                 int y = 0;
1026                 istringstream is(cmd.argument.c_str());
1027                 is >> x >> y;
1028                 if (!is)
1029                         lyxerr << "SETXY: Could not parse coordinates in '"
1030                                << cmd.argument << std::endl;
1031                 else
1032                         setCursorFromCoordinates(bv, x, y);
1033                 break;
1034         }
1035
1036         case LFUN_GETFONT:
1037                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1038                         cmd.message("E");
1039                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1040                         cmd.message("N");
1041                 else
1042                         cmd.message("0");
1043                 break;
1044
1045         case LFUN_GETLAYOUT:
1046                 cmd.message(tostr(cursor.par()->layout()));
1047                 break;
1048
1049         case LFUN_LAYOUT: {
1050                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1051                   << cmd.argument << endl;
1052
1053                 // This is not the good solution to the empty argument
1054                 // problem, but it will hopefully suffice for 1.2.0.
1055                 // The correct solution would be to augument the
1056                 // function list/array with information about what
1057                 // functions needs arguments and their type.
1058                 if (cmd.argument.empty()) {
1059                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1060                         break;
1061                 }
1062
1063                 // Derive layout number from given argument (string)
1064                 // and current buffer's textclass (number)
1065                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1066                 bool hasLayout = tclass.hasLayout(cmd.argument);
1067                 string layout = cmd.argument;
1068
1069                 // If the entry is obsolete, use the new one instead.
1070                 if (hasLayout) {
1071                         string const & obs = tclass[layout]->obsoleted_by();
1072                         if (!obs.empty())
1073                                 layout = obs;
1074                 }
1075
1076                 if (!hasLayout) {
1077                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1078                                 N_(" not known"));
1079                         break;
1080                 }
1081
1082                 bool change_layout = (current_layout != layout);
1083                 if (!change_layout && selection.set() &&
1084                         selection.start.par() != selection.end.par())
1085                 {
1086                         Paragraph * spar = selection.start.par();
1087                         Paragraph * epar = selection.end.par()->next();
1088                         while (spar != epar) {
1089                                 if (spar->layout()->name() != current_layout) {
1090                                         change_layout = true;
1091                                         break;
1092                                 }
1093                         }
1094                 }
1095                 if (change_layout) {
1096                         bv->hideCursor();
1097                         current_layout = layout;
1098                         update(bv, false);
1099                         setLayout(bv, layout);
1100                         bv->owner()->setLayout(layout);
1101                         update(bv);
1102                         bv->switchKeyMap();
1103                 }
1104                 break;
1105         }
1106
1107         case LFUN_PASTESELECTION: {
1108                 if (!bv->buffer())
1109                         break;
1110                 bv->hideCursor();
1111                 // this was originally a beforeChange(bv->text), i.e
1112                 // the outermost LyXText!
1113                 bv->beforeChange(this);
1114                 string const clip = bv->workarea().getClipboard();
1115                 if (!clip.empty()) {
1116                         if (cmd.argument == "paragraph")
1117                                 insertStringAsParagraphs(bv, clip);
1118                         else
1119                                 insertStringAsLines(bv, clip);
1120                         clearSelection();
1121                         update(bv);
1122                 }
1123                 break;
1124         }
1125
1126         case LFUN_GOTOERROR:
1127                 gotoInset(bv, Inset::ERROR_CODE, false);
1128                 break;
1129
1130         case LFUN_GOTONOTE:
1131                 gotoInset(bv, Inset::NOTE_CODE, false);
1132                 break;
1133
1134         case LFUN_REFERENCE_GOTO:
1135         {
1136                 vector<Inset::Code> tmp;
1137                 tmp.push_back(Inset::LABEL_CODE);
1138                 tmp.push_back(Inset::REF_CODE);
1139                 gotoInset(bv, tmp, true);
1140                 break;
1141         }
1142
1143         case LFUN_QUOTE: {
1144                 Paragraph const * par = cursor.par();
1145                 lyx::pos_type pos = cursor.pos();
1146                 char c;
1147                 if (!pos)
1148                         c = ' ';
1149                 else if (par->isInset(pos - 1) && par->getInset(pos - 1)->isSpace())
1150                         c = ' ';
1151                 else
1152                         c = par->getChar(pos - 1);
1153
1154                 bv->hideCursor();
1155                 LyXLayout_ptr const & style = par->layout();
1156
1157                 if (style->pass_thru ||
1158                                 par->getFontSettings(bv->buffer()->params,
1159                                          pos).language()->lang() == "hebrew" ||
1160                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1161                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1162                 break;
1163         }
1164
1165         case LFUN_DATE_INSERT: {
1166                 time_t now_time_t = time(NULL);
1167                 struct tm * now_tm = localtime(&now_time_t);
1168                 setlocale(LC_TIME, "");
1169                 string arg;
1170                 if (!cmd.argument.empty())
1171                         arg = cmd.argument;
1172                 else
1173                         arg = lyxrc.date_insert_format;
1174                 char datetmp[32];
1175                 int const datetmp_len =
1176                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1177
1178                 for (int i = 0; i < datetmp_len; i++) {
1179                         insertChar(bv, datetmp[i]);
1180                         update(bv, true);
1181                 }
1182                 selection.cursor = cursor;
1183                 moveCursorUpdate(bv, false);
1184                 break;
1185         }
1186
1187         case LFUN_MOUSE_TRIPLE:
1188                 if (!bv->buffer())
1189                         break;
1190                 if (bv_owner && bv->theLockingInset())
1191                         break;
1192                 if (cmd.button() == mouse_button::button1) {
1193                         if (bv_owner) {
1194                                 bv->screen().hideCursor();
1195                                 bv->screen().toggleSelection(this, bv);
1196                         }
1197                         cursorHome(bv);
1198                         selection.cursor = cursor;
1199                         cursorEnd(bv);
1200                         setSelection(bv);
1201                         if (bv_owner)
1202                                 bv->screen().toggleSelection(this, bv, false);
1203                         update(bv, false);
1204                         bv->workarea().haveSelection(selection.set());
1205                 }
1206                 break;
1207
1208         case LFUN_MOUSE_DOUBLE:
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                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1218                                 bv->screen().toggleSelection(this, bv, false);
1219                         } else {
1220                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1221                         }
1222                         update(bv, false);
1223                         bv->workarea().haveSelection(selection.set());
1224                 }
1225                 break;
1226
1227         case LFUN_MOUSE_MOTION:
1228         {
1229                 // Only use motion with button 1
1230                 //if (ev.button() != mouse_button::button1)
1231                 //      return false;
1232
1233                 if (!bv->buffer())
1234                         break;
1235
1236                 // Check for inset locking
1237                 if (bv->theLockingInset()) {
1238                         Inset * tli = bv->theLockingInset();
1239                         LyXCursor cursor = bv->text->cursor;
1240                         LyXFont font = bv->text->getFont(bv->buffer(),
1241                                                                 cursor.par(), cursor.pos());
1242                         int width = tli->width(bv, font);
1243                         int inset_x = font.isVisibleRightToLeft()
1244                                 ? cursor.ix() - width : cursor.ix();
1245                         int start_x = inset_x + tli->scroll();
1246                         FuncRequest cmd1 = cmd;
1247                         cmd1.x = cmd.x - start_x;
1248                         cmd1.y = cmd.y - cursor.iy() + bv->text->first_y;
1249                         tli->localDispatch(cmd1);
1250                         break;
1251                 }
1252
1253                 // The test for not selection possible is needed, that only motion
1254                 // events are used, where the bottom press event was on
1255                 //  the drawing area too
1256                 if (!selection_possible) {
1257                         lyxerr[Debug::ACTION]
1258                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1259                         break;
1260                 }
1261
1262                 bv->screen().hideCursor();
1263
1264                 Row * cursorrow = bv->text->cursor.row();
1265                 bv->text->setCursorFromCoordinates(bv, cmd.x, cmd.y + bv->text->first_y);
1266         #if 0
1267                 // sorry for this but I have a strange error that the y value jumps at
1268                 // a certain point. This seems like an error in my xforms library or
1269                 // in some other local environment, but I would like to leave this here
1270                 // for the moment until I can remove this (Jug 20020418)
1271                 if (y_before < bv->text->cursor.y())
1272                         lyxerr << y_before << ":" << bv->text->cursor.y() << endl;
1273         #endif
1274                 // This is to allow jumping over large insets
1275                 if (cursorrow == bv->text->cursor.row()) {
1276                         if (cmd.y >= int(bv->workarea().workHeight()))
1277                                 bv->text->cursorDown(bv, false);
1278                         else if (cmd.y < 0)
1279                                 bv->text->cursorUp(bv, false);
1280                 }
1281
1282                 // Maybe an empty line was deleted
1283                 if (!bv->text->selection.set())
1284                         bv->update(bv->text, BufferView::UPDATE);
1285                 bv->text->setSelection(bv);
1286                 bv->screen().toggleToggle(bv->text, bv);
1287                 bv->fitCursor();
1288                 bv->showCursor();
1289                 break;
1290         }
1291
1292         // Single-click on work area
1293         case LFUN_MOUSE_PRESS:
1294         {
1295                 if (!bv->buffer())
1296                         break;
1297
1298                 // ok ok, this is a hack (for xforms)
1299                 // We shouldn't go further down as we really should only do the
1300                 // scrolling and be done with this. Otherwise we may open some
1301                 // dialogs (Jug 20020424).
1302                 if (cmd.button() == mouse_button::button4) {
1303                         bv->scroll(-lyxrc.wheel_jump);
1304                         break;
1305                 }
1306                 if (cmd.button() == mouse_button::button5) {
1307                         bv->scroll(lyxrc.wheel_jump);
1308                         break;
1309                 }
1310
1311                 int x = cmd.x;
1312                 int y = cmd.y;
1313                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1314
1315                 // Middle button press pastes if we have a selection
1316                 // We do this here as if the selection was inside an inset
1317                 // it could get cleared on the unlocking of the inset so
1318                 // we have to check this first
1319                 bool paste_internally = false;
1320                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1321                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1322                         paste_internally = true;
1323                 }
1324
1325                 int const screen_first = bv->text->first_y;
1326
1327                 if (bv->theLockingInset()) {
1328                         // We are in inset locking mode
1329
1330                         // Check whether the inset was hit. If not reset mode,
1331                         // otherwise give the event to the inset
1332                         if (inset_hit == bv->theLockingInset()) {
1333                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1334                                 bv->theLockingInset()->localDispatch(cmd1);
1335                                 break;
1336                         }
1337                         bv->unlockInset(bv->theLockingInset());
1338                 }
1339
1340                 if (!inset_hit)
1341                         selection_possible = true;
1342                 bv->screen().hideCursor();
1343
1344                 // Clear the selection
1345                 bv->screen().toggleSelection(bv->text, bv);
1346                 bv->text->clearSelection();
1347                 bv->text->fullRebreak(bv);
1348                 bv->update();
1349                 bv->updateScrollbar();
1350
1351                 // Single left click in math inset?
1352                 if (isHighlyEditableInset(inset_hit)) {
1353                         // Highly editable inset, like math
1354                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1355                         selection_possible = false;
1356                         bv->owner()->updateLayoutChoice();
1357                         bv->owner()->message(inset->editMessage());
1358                         //inset->edit(bv, x, y, cmd.button());
1359                         // We just have to lock the inset before calling a PressEvent on it!
1360                         // we don't need the edit() call here! (Jug20020329)
1361                         if (!bv->lockInset(inset))
1362                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1363                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1364                         inset->localDispatch(cmd1);
1365                         break;
1366                 }
1367                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1368
1369                 // Right click on a footnote flag opens float menu
1370                 if (cmd.button() == mouse_button::button3) {
1371                         selection_possible = false;
1372                         break;
1373                 }
1374
1375                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1376                         bv->text->setCursorFromCoordinates(bv, x, y + screen_first);
1377                 finishUndo();
1378                 bv->text->selection.cursor = bv->text->cursor;
1379                 bv->text->cursor.x_fix(bv->text->cursor.x());
1380
1381                 bv->owner()->updateLayoutChoice();
1382                 if (bv->fitCursor())
1383                         selection_possible = false;
1384
1385                 // Insert primary selection with middle mouse
1386                 // if there is a local selection in the current buffer,
1387                 // insert this
1388                 if (cmd.button() == mouse_button::button2) {
1389                         if (paste_internally)
1390                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1391                         else
1392                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1393                         selection_possible = false;
1394                 }
1395                 break;
1396         }
1397
1398         case LFUN_MOUSE_RELEASE:
1399         {
1400                 // do nothing if we used the mouse wheel
1401                 if (!bv->buffer())
1402                         break;
1403
1404                 if (cmd.button() == mouse_button::button4
1405                  || cmd.button() == mouse_button::button5)
1406                         break;
1407
1408                 // If we hit an inset, we have the inset coordinates in these
1409                 // and inset_hit points to the inset.  If we do not hit an
1410                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1411                 int x = cmd.x;
1412                 int y = cmd.y;
1413                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1414
1415                 if (bv->theLockingInset()) {
1416                         // We are in inset locking mode.
1417
1418                         // LyX does a kind of work-area grabbing for insets.
1419                         // Only a ButtonPress FuncRequest outside the inset will
1420                         // force a insetUnlock.
1421                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1422                         bv->theLockingInset()->localDispatch(cmd1);
1423                         break;
1424                 }
1425
1426                 selection_possible = false;
1427
1428                 if (cmd.button() == mouse_button::button2)
1429                         break;
1430
1431                 // finish selection
1432                 if (cmd.button() == mouse_button::button1)
1433                         bv->workarea().haveSelection(selection.set());
1434
1435                 bv->switchKeyMap();
1436                 bv->owner()->view_state_changed();
1437                 bv->owner()->updateMenubar();
1438                 bv->owner()->updateToolbar();
1439
1440                 // Did we hit an editable inset?
1441                 if (inset_hit) {
1442                         selection_possible = false;
1443
1444                         // if we reach this point with a selection, it
1445                         // must mean we are currently selecting.
1446                         // But we don't want to open the inset
1447                         // because that is annoying for the user.
1448                         // So just pretend we didn't hit it.
1449                         // this is OK because a "kosher" ButtonRelease
1450                         // will follow a ButtonPress that clears
1451                         // the selection.
1452                         // Note this also fixes selection drawing
1453                         // problems if we end up opening an inset
1454                         if (selection.set())
1455                                 break;
1456
1457                         // CHECK fix this proper in 0.13
1458                         // well, maybe 13.0 !!!!!!!!!
1459
1460                         // Following a ref shouldn't issue
1461                         // a push on the undo-stack
1462                         // anylonger, now that we have
1463                         // keybindings for following
1464                         // references and returning from
1465                         // references.  IMHO though, it
1466                         // should be the inset's own business
1467                         // to push or not push on the undo
1468                         // stack. They don't *have* to
1469                         // alter the document...
1470                         // (Joacim)
1471                         // ...or maybe the SetCursorParUndo()
1472                         // below isn't necessary at all anylonger?
1473                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1474                                 setCursorParUndo(bv);
1475
1476                         bv->owner()->message(inset_hit->editMessage());
1477
1478                         if (isHighlyEditableInset(inset_hit)) {
1479                                 // Highly editable inset, like math
1480                                 UpdatableInset * inset = (UpdatableInset *) inset_hit;
1481                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1482                                 inset->localDispatch(cmd1);
1483                         } else {
1484                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1485                                 inset_hit->localDispatch(cmd1);
1486                                 // IMO this is a grosshack! Inset's should be changed so that
1487                                 // they call the actions they have to do with the insetButtonRel.
1488                                 // function and not in the edit(). This should be changed
1489                                 // (Jug 20020329)
1490 #ifdef WITH_WARNINGS
1491 #warning Please remove donot call inset->edit() here (Jug 20020812)
1492 #endif
1493                                 inset_hit->edit(bv, x, y, cmd.button());
1494                         }
1495                         break;
1496                 }
1497
1498                 // Maybe we want to edit a bibitem ale970302
1499                 if (bv->text->cursor.par()->bibkey) {
1500                         bool const is_rtl =
1501                                 bv->text->cursor.par()->isRightToLeftPar(bv->buffer()->params);
1502                         int const width =
1503                                 bibitemMaxWidth(bv, bv->buffer()->params.getLyXTextClass().defaultfont());
1504                         if ((is_rtl && x > bv->text->workWidth(bv)-20-width) ||
1505                                         (!is_rtl && x < 20 + width)) {
1506                                 bv->text->cursor.par()->bibkey->edit(bv, 0, 0, mouse_button::none);
1507                         }
1508                 }
1509                 break;
1510         }
1511
1512         case LFUN_SELFINSERT: {
1513                 if (cmd.argument.empty())
1514                         break;
1515
1516                 // Automatically delete the currently selected
1517                 // text and replace it with what is being
1518                 // typed in now. Depends on lyxrc settings
1519                 // "auto_region_delete", which defaults to
1520                 // true (on).
1521
1522                 if (lyxrc.auto_region_delete) {
1523                         if (selection.set()) {
1524                                 cutSelection(bv, false, false);
1525                                 update(bv);
1526                         }
1527                         bv->workarea().haveSelection(false);
1528                 }
1529
1530                 bv->beforeChange(this);
1531                 LyXFont const old_font(real_current_font);
1532
1533                 string::const_iterator cit = cmd.argument.begin();
1534                 string::const_iterator end = cmd.argument.end();
1535                 for (; cit != end; ++cit)
1536                         bv->owner()->getIntl().getTransManager().
1537                                 TranslateAndInsert(*cit, this);
1538
1539                 update(bv);
1540                 selection.cursor = cursor;
1541                 moveCursorUpdate(bv, false);
1542
1543                 // real_current_font.number can change so we need to
1544                 // update the minibuffer
1545                 if (old_font != real_current_font)
1546                         bv->owner()->view_state_changed();
1547                 break;
1548         }
1549
1550 #if 0
1551         case LFUN_INSET_LIST:
1552         case LFUN_INSET_THEOREM:
1553 #endif
1554         case LFUN_INSERT_NOTE:
1555         case LFUN_INSET_CAPTION:
1556         case LFUN_INSET_ERT:
1557         case LFUN_INSET_EXTERNAL:
1558         case LFUN_INSET_FLOAT:
1559         case LFUN_INSET_FOOTNOTE:
1560         case LFUN_INSET_MARGINAL:
1561         case LFUN_INSET_MINIPAGE:
1562         case LFUN_INSET_OPTARG:
1563         case LFUN_INSET_WIDE_FLOAT:
1564         case LFUN_TABULAR_INSERT:
1565         case LFUN_INDEX_INSERT:
1566         case LFUN_INDEX_PRINT:
1567         case LFUN_PARENTINSERT:
1568         case LFUN_TOC_INSERT:
1569         {
1570                 Inset * inset = createInset(cmd);
1571                 if (inset) {
1572                         bool gotsel = false;
1573                         if (selection.set()) {
1574                                 cutSelection(bv, true, false);
1575                                 gotsel = true;
1576                         }
1577                         if (bv->insertInset(inset)) {
1578                                 inset->edit(bv);
1579                                 if (gotsel)
1580                                         bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION));
1581                         }
1582                         else
1583                                 delete inset;
1584                 }
1585                 break;
1586         }
1587
1588
1589         default:
1590                 return Inset::UNDISPATCHED;
1591         }
1592
1593         return Inset::DISPATCHED;
1594 }