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/insetquotes.h"
  35 #include "insets/insetcommand.h"
  36 #include "undo_funcs.h"
  37
  38 #include <ctime>
  39 #include <clocale>
  40
  41 using std::endl;
  42 using std::find;
  43 using std::vector;
  44
  45 extern string current_layout;
  46 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  47
  48 // the selection possible is needed, that only motion events are
  49 // used, where the bottom press event was on the drawing area too
  50 bool selection_possible = false;
  51
  52
  53 namespace {
  54
  55         void moveCursorUpdate(BufferView * bv, bool selecting)
  56         {
  57                 LyXText * lt = bv->getLyXText();
  58
  59                 if (selecting || lt->selection.mark()) {
  60                         lt->setSelection(bv);
  61                         if (lt->isTopLevel())
  62                                 bv->toggleToggle();
  63                         else
  64                                 bv->updateInset(lt->inset_owner, false);
  65                 }
  66                 if (lt->isTopLevel()) {
  67                         //if (fitcur)
  68                         //      bv->update(lt, BufferView::SELECT|BufferView::FITCUR);
  69                         //else
  70                         bv->update(lt, BufferView::SELECT|BufferView::FITCUR);
  71                         bv->showCursor();
  72                 } else if (bv->text->status() != LyXText::UNCHANGED) {
  73                         bv->theLockingInset()->hideInsetCursor(bv);
  74                         bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
  75                         bv->showCursor();
  76                 }
  77
  78                 if (!lt->selection.set())
  79                         bv->haveSelection(false);
  80
  81                 bv->switchKeyMap();
  82         }
  83
  84
  85         void finishChange(BufferView * bv, bool selecting = false)
  86         {
  87                 finishUndo();
  88                 moveCursorUpdate(bv, selecting);
  89                 bv->owner()->view_state_changed();
  90         }
  91
  92         // check if the given co-ordinates are inside an inset at the
  93         // given cursor, if one exists. If so, the inset is returned,
  94         // and the co-ordinates are made relative. Otherwise, 0 is returned.
  95         Inset * checkInset(BufferView * bv, LyXText const & text,
  96                 LyXCursor const & cur, int & x, int & y)
  97         {
  98                 lyx::pos_type const pos = cur.pos();
  99                 Paragraph /*const*/ & par = *cur.par();
 100
 101                 if (pos >= par.size() || !par.isInset(pos))
 102                         return 0;
 103
 104                 Inset /*const*/ * inset = par.getInset(pos);
 105
 106                 if (!isEditableInset(inset))
 107                         return 0;
 108
 109                 // get inset dimensions
 110                 lyx::Assert(par.getInset(pos));
 111
 112                 LyXFont const & font = text.getFont(bv->buffer(), &par, pos);
 113
 114                 int const width = inset->width(bv, font);
 115                 int const inset_x = font.isVisibleRightToLeft()
 116                         ? (cur.ix() - width) : cur.ix();
 117
 118                 Box b(
 119                         inset_x + inset->scroll(),
 120                         inset_x + width,
 121                         cur.iy() - inset->ascent(bv, font),
 122                         cur.iy() + inset->descent(bv, font)
 123                 );
 124
 125                 if (!b.contained(x, y)) {
 126                         lyxerr[Debug::GUI] << "Missed inset at x,y "
 127                                            << 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 taller than the workarea. The
 261                 // simplest solution is to move to the previous row instead.
 262                 cursorUp(bv, true);
 263                 return;
 264                 // This is what we used to do, so we wouldn't skip right past
 265                 // tall rows, but it's not working right now.
 266 #if 0
 267                 new_y = bv->text->first_y - bv->workHeight();
 268 #endif
 269         } else {
 270                 if (inset_owner) {
 271                         new_y = bv->text->cursor.iy()
 272                                 + bv->theLockingInset()->insetInInsetY() + y
 273                                 + cursor.row()->height()
 274                                 - bv->workHeight() + 1;
 275                 } else {
 276                         new_y = cursor.y()
 277                                 - cursor.row()->baseline()
 278                                 + cursor.row()->height()
 279                                 - bv->workHeight() + 1;
 280                 }
 281         }
 282         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 283         if (cursor.row()->previous()) {
 284                 LyXCursor cur;
 285                 setCursor(bv, cur, cursor.row()->previous()->par(),
 286                                                 cursor.row()->previous()->pos(), false);
 287                 if (cur.y() > first_y) {
 288                         cursorUp(bv, true);
 289                 }
 290         }
 291         bv->updateScrollbar();
 292 }
 293
 294
 295 void LyXText::cursorNext(BufferView * bv)
 296 {
 297         if (!cursor.row()->next()) {
 298                 int y = cursor.y() - cursor.row()->baseline() +
 299                         cursor.row()->height();
 300                 if (y > int(first_y + bv->workHeight())) {
 301                         bv->screen().draw(bv->text, bv,
 302                                                   bv->text->first_y + bv->workHeight());
 303                         bv->updateScrollbar();
 304                 }
 305                 return;
 306         }
 307
 308         int y = first_y + bv->workHeight();
 309         if (inset_owner && !first_y) {
 310                 y -= (bv->text->cursor.iy()
 311                           - bv->text->first_y
 312                           + bv->theLockingInset()->insetInInsetY());
 313         }
 314
 315         getRowNearY(y);
 316
 317         Row * cursorrow = cursor.row();
 318         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 319         // + bv->workHeight());
 320         finishUndo();
 321
 322         int new_y;
 323         if (cursorrow == bv->text->cursor.row()) {
 324                 // we have a row which is taller than the workarea. The
 325                 // simplest solution is to move to the next row instead.
 326                 cursorDown(bv, true);
 327                 return;
 328                 // This is what we used to do, so we wouldn't skip right past
 329                 // tall rows, but it's not working right now.
 330 #if 0
 331                 new_y = bv->text->first_y + bv->workHeight();
 332 #endif
 333         } else {
 334                 if (inset_owner) {
 335                         new_y = bv->text->cursor.iy()
 336                                 + bv->theLockingInset()->insetInInsetY()
 337                                 + y - cursor.row()->baseline();
 338                 } else {
 339                         new_y =  cursor.y() - cursor.row()->baseline();
 340                 }
 341         }
 342         bv->screen().draw(bv->text, bv, new_y);
 343         if (cursor.row()->next()) {
 344                 LyXCursor cur;
 345                 setCursor(bv, cur, cursor.row()->next()->par(),
 346                                                 cursor.row()->next()->pos(), false);
 347                 if (cur.y() < int(first_y + bv->workHeight())) {
 348                         cursorDown(bv, true);
 349                 }
 350         }
 351         bv->updateScrollbar();
 352 }
 353
 354
 355 void LyXText::update(BufferView * bv, bool changed)
 356 {
 357         BufferView::UpdateCodes c = BufferView::SELECT | BufferView::FITCUR;
 358         if (changed)
 359                 bv->update(this, c | BufferView::CHANGE);
 360         else
 361                 bv->update(this, c);
 362 }
 363
 364 namespace {
 365
 366 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 367 {
 368         bv->hideCursor();
 369         lt->update(bv);
 370         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 371         if (!bv->insertInset(new_inset))
 372                 delete new_inset;
 373         else
 374                 bv->updateInset(new_inset, true);
 375 }
 376
 377
 378 void doInsertInset(LyXText * lt, FuncRequest const & cmd,
 379                    bool edit, bool pastesel)
 380 {
 381         Inset * inset = createInset(cmd);
 382         BufferView * bv = cmd.view();
 383
 384         if (inset) {
 385                 bool gotsel = false;
 386                 if (lt->selection.set()) {
 387                         lt->cutSelection(bv, true, false);
 388                         gotsel = true;
 389                 }
 390                 if (bv->insertInset(inset)) {
 391                         if (edit)
 392                                 inset->edit(bv);
 393                         if (gotsel && pastesel)
 394                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION));
 395                 }
 396                 else
 397                         delete inset;
 398         }
 399 }
 400
 401 }
 402
 403 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 404 {
 405         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 406                               <<"] arg[" << cmd.argument << ']' << endl;
 407
 408         BufferView * bv = cmd.view();
 409
 410         switch (cmd.action) {
 411
 412         case LFUN_APPENDIX: {
 413                 Paragraph * par = cursor.par();
 414                 bool start = !par->params().startOfAppendix();
 415
 416                 // ensure that we have only one start_of_appendix in this document
 417                 Paragraph * tmp = ownerParagraph();
 418                 for (; tmp; tmp = tmp->next()) {
 419                         if (tmp->params().startOfAppendix()) {
 420                                 setUndo(bv, Undo::EDIT, tmp, tmp->next());
 421                                 tmp->params().startOfAppendix(false);
 422                                 break;
 423                         }
 424                 }
 425
 426                 setUndo(bv, Undo::EDIT, par, par->next());
 427                 par->params().startOfAppendix(start);
 428
 429                 // we can set the refreshing parameters now
 430                 status(cmd.view(), LyXText::NEED_MORE_REFRESH);
 431                 refresh_y = 0;
 432                 refresh_row = 0; // not needed for full update
 433                 updateCounters(cmd.view());
 434                 setCursor(cmd.view(), cursor.par(), cursor.pos());
 435                 update(bv);
 436                 break;
 437         }
 438
 439         case LFUN_DELETE_WORD_FORWARD:
 440                 bv->beforeChange(this);
 441                 update(bv, false);
 442                 deleteWordForward(bv);
 443                 update(bv);
 444                 finishChange(bv);
 445                 break;
 446
 447         case LFUN_DELETE_WORD_BACKWARD:
 448                 bv->beforeChange(this);
 449                 update(bv, false);
 450                 deleteWordBackward(bv);
 451                 update(bv, true);
 452                 finishChange(bv);
 453                 break;
 454
 455         case LFUN_DELETE_LINE_FORWARD:
 456                 bv->beforeChange(this);
 457                 update(bv, false);
 458                 deleteLineForward(bv);
 459                 update(bv);
 460                 finishChange(bv);
 461                 break;
 462
 463         case LFUN_SHIFT_TAB:
 464         case LFUN_TAB:
 465                 if (!selection.mark())
 466                         bv->beforeChange(this);
 467                 update(bv, false);
 468                 cursorTab(bv);
 469                 finishChange(bv);
 470                 break;
 471
 472         case LFUN_WORDRIGHT:
 473                 if (!selection.mark())
 474                         bv->beforeChange(this);
 475                 update(bv, false);
 476                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 477                         cursorLeftOneWord(bv);
 478                 else
 479                         cursorRightOneWord(bv);
 480                 finishChange(bv);
 481                 break;
 482
 483         case LFUN_WORDLEFT:
 484                 if (!selection.mark())
 485                         bv->beforeChange(this);
 486                 update(bv, false);
 487                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 488                         cursorRightOneWord(bv);
 489                 else
 490                         cursorLeftOneWord(bv);
 491                 finishChange(bv);
 492                 break;
 493
 494         case LFUN_BEGINNINGBUF:
 495                 if (!selection.mark())
 496                         bv->beforeChange(this);
 497                 update(bv, false);
 498                 cursorTop(bv);
 499                 finishChange(bv);
 500                 break;
 501
 502         case LFUN_ENDBUF:
 503                 if (selection.mark())
 504                         bv->beforeChange(this);
 505                 update(bv, false);
 506                 cursorBottom(bv);
 507                 finishChange(bv);
 508                 break;
 509
 510         case LFUN_RIGHTSEL:
 511                 update(bv, false);
 512                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 513                         cursorLeft(bv);
 514                 else
 515                         cursorRight(bv);
 516                 finishChange(bv, true);
 517                 break;
 518
 519         case LFUN_LEFTSEL:
 520                 update(bv, false);
 521                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 522                         cursorRight(bv);
 523                 else
 524                         cursorLeft(bv);
 525                 finishChange(bv, true);
 526                 break;
 527
 528         case LFUN_UPSEL:
 529                 update(bv, false);
 530                 cursorUp(bv, true);
 531                 finishChange(bv, true);
 532                 break;
 533
 534         case LFUN_DOWNSEL:
 535                 update(bv, false);
 536                 cursorDown(bv, true);
 537                 finishChange(bv, true);
 538                 break;
 539
 540         case LFUN_UP_PARAGRAPHSEL:
 541                 update(bv, false);
 542                 cursorUpParagraph(bv);
 543                 finishChange(bv, true);
 544                 break;
 545
 546         case LFUN_DOWN_PARAGRAPHSEL:
 547                 update(bv, false);
 548                 cursorDownParagraph(bv);
 549                 finishChange(bv, true);
 550                 break;
 551
 552         case LFUN_PRIORSEL:
 553                 update(bv, false);
 554                 cursorPrevious(bv);
 555                 finishChange(bv, true);
 556                 break;
 557
 558         case LFUN_NEXTSEL:
 559                 update(bv, false);
 560                 cursorNext(bv);
 561                 finishChange(bv, true);
 562                 break;
 563
 564         case LFUN_HOMESEL:
 565                 update(bv, false);
 566                 cursorHome(bv);
 567                 finishChange(bv, true);
 568                 break;
 569
 570         case LFUN_ENDSEL:
 571                 update(bv, false);
 572                 cursorEnd(bv);
 573                 finishChange(bv, true);
 574                 break;
 575
 576         case LFUN_WORDRIGHTSEL:
 577                 update(bv, false);
 578                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 579                         cursorLeftOneWord(bv);
 580                 else
 581                         cursorRightOneWord(bv);
 582                 finishChange(bv, true);
 583                 break;
 584
 585         case LFUN_WORDLEFTSEL:
 586                 update(bv, false);
 587                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 588                         cursorRightOneWord(bv);
 589                 else
 590                         cursorLeftOneWord(bv);
 591                 finishChange(bv, true);
 592                 break;
 593
 594         case LFUN_WORDSEL: {
 595                 update(bv, false);
 596                 LyXCursor cur1;
 597                 LyXCursor cur2;
 598                 getWord(cur1, cur2, WHOLE_WORD);
 599                 setCursor(bv, cur1.par(), cur1.pos());
 600                 bv->beforeChange(this);
 601                 setCursor(bv, cur2.par(), cur2.pos());
 602                 finishChange(bv, true);
 603                 break;
 604         }
 605
 606         case LFUN_RIGHT: {
 607                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 608                 if (!selection.mark())
 609                         bv->beforeChange(this);
 610                 update(bv, false);
 611                 if (is_rtl)
 612                         cursorLeft(bv, false);
 613                 if (cursor.pos() < cursor.par()->size()
 614                     && cursor.par()->isInset(cursor.pos())
 615                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 616                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 617                         cmd.message(tmpinset->editMessage());
 618                         tmpinset->edit(bv, !is_rtl);
 619                         break;
 620                 }
 621                 if (!is_rtl)
 622                         cursorRight(bv, false);
 623                 finishChange(bv);
 624                 break;
 625         }
 626
 627         case LFUN_LEFT: {
 628                 // This is soooo ugly. Isn`t it possible to make
 629                 // it simpler? (Lgb)
 630                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 631                 if (!selection.mark())
 632                         bv->beforeChange(this);
 633                 update(bv, false);
 634                 LyXCursor const cur = cursor;
 635                 if (!is_rtl)
 636                         cursorLeft(bv, false);
 637                 if ((is_rtl || cur != cursor) && // only if really moved!
 638                     cursor.pos() < cursor.par()->size() &&
 639                     cursor.par()->isInset(cursor.pos()) &&
 640                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 641                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 642                         cmd.message(tmpinset->editMessage());
 643                         tmpinset->edit(bv, is_rtl);
 644                         break;
 645                 }
 646                 if (is_rtl)
 647                         cursorRight(bv, false);
 648                 finishChange(bv);
 649                 break;
 650         }
 651
 652         case LFUN_UP:
 653                 if (!selection.mark())
 654                         bv->beforeChange(this);
 655                 bv->update(this, BufferView::UPDATE);
 656                 cursorUp(bv);
 657                 finishChange(bv);
 658                 break;
 659
 660         case LFUN_DOWN:
 661                 if (!selection.mark())
 662                         bv->beforeChange(this);
 663                 bv->update(this, BufferView::UPDATE);
 664                 cursorDown(bv);
 665                 finishChange(bv);
 666                 break;
 667
 668         case LFUN_UP_PARAGRAPH:
 669                 if (!selection.mark())
 670                         bv->beforeChange(this);
 671                 bv->update(this, BufferView::UPDATE);
 672                 cursorUpParagraph(bv);
 673                 finishChange(bv);
 674                 break;
 675
 676         case LFUN_DOWN_PARAGRAPH:
 677                 if (!selection.mark())
 678                         bv->beforeChange(this);
 679                 bv->update(this, BufferView::UPDATE);
 680                 cursorDownParagraph(bv);
 681                 finishChange(bv, false);
 682                 break;
 683
 684         case LFUN_PRIOR:
 685                 if (!selection.mark())
 686                         bv->beforeChange(this);
 687                 bv->update(this, BufferView::UPDATE);
 688                 cursorPrevious(bv);
 689                 finishChange(bv, false);
 690                 // was:
 691                 // finishUndo();
 692                 // moveCursorUpdate(bv, false, false);
 693                 // owner_->view_state_changed();
 694                 break;
 695
 696         case LFUN_NEXT:
 697                 if (!selection.mark())
 698                         bv->beforeChange(this);
 699                 bv->update(this, BufferView::UPDATE);
 700                 cursorNext(bv);
 701                 finishChange(bv, false);
 702                 break;
 703
 704         case LFUN_HOME:
 705                 if (!selection.mark())
 706                         bv->beforeChange(this);
 707                 update(bv);
 708                 cursorHome(bv);
 709                 finishChange(bv, false);
 710                 break;
 711
 712         case LFUN_END:
 713                 if (!selection.mark())
 714                         bv->beforeChange(this);
 715                 update(bv);
 716                 cursorEnd(bv);
 717                 finishChange(bv, false);
 718                 break;
 719
 720         case LFUN_BREAKLINE:
 721                 bv->beforeChange(this);
 722                 insertChar(bv, Paragraph::META_NEWLINE);
 723                 update(bv, true);
 724                 setCursor(bv, cursor.par(), cursor.pos());
 725                 moveCursorUpdate(bv, false);
 726                 break;
 727
 728         case LFUN_DELETE:
 729                 if (!selection.set()) {
 730                         Delete(bv);
 731                         selection.cursor = cursor;
 732                         update(bv);
 733                         // It is possible to make it a lot faster still
 734                         // just comment out the line below...
 735                         bv->showCursor();
 736                 } else {
 737                         update(bv, false);
 738                         cutSelection(bv, true);
 739                         update(bv);
 740                 }
 741                 moveCursorUpdate(bv, false);
 742                 bv->owner()->view_state_changed();
 743                 bv->switchKeyMap();
 744                 break;
 745
 746         case LFUN_DELETE_SKIP:
 747                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 748                 if (!selection.set()) {
 749                         LyXCursor cur = cursor;
 750                         if (cur.pos() == cur.par()->size()) {
 751                                 cursorRight(bv);
 752                                 cur = cursor;
 753                                 if (cur.pos() == 0
 754                                     && !(cur.par()->params().spaceTop()
 755                                          == VSpace (VSpace::NONE))) {
 756                                         setParagraph(bv,
 757                                                  cur.par()->params().lineTop(),
 758                                                  cur.par()->params().lineBottom(),
 759                                                  cur.par()->params().pagebreakTop(),
 760                                                  cur.par()->params().pagebreakBottom(),
 761                                                  VSpace(VSpace::NONE),
 762                                                  cur.par()->params().spaceBottom(),
 763                                                  cur.par()->params().spacing(),
 764                                                  cur.par()->params().align(),
 765                                                  cur.par()->params().labelWidthString(), 0);
 766                                         cursorLeft(bv);
 767                                         update(bv);
 768                                 } else {
 769                                         cursorLeft(bv);
 770                                         Delete(bv);
 771                                         selection.cursor = cursor;
 772                                 }
 773                         } else {
 774                                 Delete(bv);
 775                                 selection.cursor = cursor;
 776                         }
 777                 } else {
 778                         update(bv, false);
 779                         cutSelection(bv, true);
 780                 }
 781                 update(bv);
 782                 break;
 783
 784
 785         case LFUN_BACKSPACE:
 786                 if (!selection.set()) {
 787                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 788                                 backspace(bv);
 789                                 selection.cursor = cursor;
 790                                 update(bv);
 791                                 // It is possible to make it a lot faster still
 792                                 // just comment out the line below...
 793                                 bv->showCursor();
 794                         }
 795                 } else {
 796                         update(bv, false);
 797                         cutSelection(bv, true);
 798                         update(bv);
 799                 }
 800                 bv->owner()->view_state_changed();
 801                 bv->switchKeyMap();
 802                 break;
 803
 804         case LFUN_BACKSPACE_SKIP:
 805                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 806                 if (!selection.set()) {
 807                         LyXCursor cur = cursor;
 808                         if (cur.pos() == 0
 809                             && !(cur.par()->params().spaceTop()
 810                                  == VSpace (VSpace::NONE))) {
 811                                 setParagraph(bv,
 812                                          cur.par()->params().lineTop(),
 813                                          cur.par()->params().lineBottom(),
 814                                          cur.par()->params().pagebreakTop(),
 815                                          cur.par()->params().pagebreakBottom(),
 816                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 817                                          cur.par()->params().spacing(),
 818                                          cur.par()->params().align(),
 819                                          cur.par()->params().labelWidthString(), 0);
 820                         } else {
 821                                 backspace(bv);
 822                                 selection.cursor = cur;
 823                         }
 824                 } else {
 825                         update(bv, false);
 826                         cutSelection(bv, true);
 827                 }
 828                 update(bv);
 829                 break;
 830
 831         case LFUN_BREAKPARAGRAPH:
 832                 bv->beforeChange(this);
 833                 breakParagraph(bv, 0);
 834                 update(bv);
 835                 selection.cursor = cursor;
 836                 bv->switchKeyMap();
 837                 bv->owner()->view_state_changed();
 838                 break;
 839
 840         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 841                 bv->beforeChange(this);
 842                 breakParagraph(bv, 1);
 843                 update(bv);
 844                 selection.cursor = cursor;
 845                 bv->switchKeyMap();
 846                 bv->owner()->view_state_changed();
 847                 break;
 848
 849         case LFUN_BREAKPARAGRAPH_SKIP: {
 850                 // When at the beginning of a paragraph, remove
 851                 // indentation and add a "defskip" at the top.
 852                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 853                 LyXCursor cur = cursor;
 854                 bv->beforeChange(this);
 855                 if (cur.pos() == 0) {
 856                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 857                                 setParagraph(bv,
 858                                          cur.par()->params().lineTop(),
 859                                          cur.par()->params().lineBottom(),
 860                                          cur.par()->params().pagebreakTop(),
 861                                          cur.par()->params().pagebreakBottom(),
 862                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 863                                          cur.par()->params().spacing(),
 864                                          cur.par()->params().align(),
 865                                          cur.par()->params().labelWidthString(), 1);
 866                                 //update(bv);
 867                         }
 868                 }
 869                 else {
 870                         breakParagraph(bv, 0);
 871                         //update(bv);
 872                 }
 873                 update(bv);
 874                 selection.cursor = cur;
 875                 bv->switchKeyMap();
 876                 bv->owner()->view_state_changed();
 877                 break;
 878         }
 879
 880         case LFUN_PARAGRAPH_SPACING: {
 881                 Paragraph * par = cursor.par();
 882                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
 883                 float cur_value = 1.0;
 884                 if (cur_spacing == Spacing::Other)
 885                         cur_value = par->params().spacing().getValue();
 886
 887                 istringstream is(cmd.argument.c_str());
 888                 string tmp;
 889                 is >> tmp;
 890                 Spacing::Space new_spacing = cur_spacing;
 891                 float new_value = cur_value;
 892                 if (tmp.empty()) {
 893                         lyxerr << "Missing argument to `paragraph-spacing'"
 894                                << endl;
 895                 } else if (tmp == "single") {
 896                         new_spacing = Spacing::Single;
 897                 } else if (tmp == "onehalf") {
 898                         new_spacing = Spacing::Onehalf;
 899                 } else if (tmp == "double") {
 900                         new_spacing = Spacing::Double;
 901                 } else if (tmp == "other") {
 902                         new_spacing = Spacing::Other;
 903                         float tmpval = 0.0;
 904                         is >> tmpval;
 905                         lyxerr << "new_value = " << tmpval << endl;
 906                         if (tmpval != 0.0)
 907                                 new_value = tmpval;
 908                 } else if (tmp == "default") {
 909                         new_spacing = Spacing::Default;
 910                 } else {
 911                         lyxerr << _("Unknown spacing argument: ")
 912                                << cmd.argument << endl;
 913                 }
 914                 if (cur_spacing != new_spacing || cur_value != new_value) {
 915                         par->params().spacing(Spacing(new_spacing, new_value));
 916                         redoParagraph(bv);
 917                         update(bv);
 918                 }
 919                 break;
 920         }
 921
 922         case LFUN_INSET_TOGGLE:
 923                 bv->hideCursor();
 924                 bv->beforeChange(this);
 925                 update(bv, false);
 926                 toggleInset(bv);
 927                 update(bv, false);
 928                 bv->switchKeyMap();
 929                 break;
 930
 931         case LFUN_PROTECTEDSPACE:
 932                 if (cursor.par()->layout()->free_spacing) {
 933                         insertChar(bv, ' ');
 934                         update(bv);
 935                 } else {
 936                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 937                 }
 938                 moveCursorUpdate(bv, false);
 939                 break;
 940
 941         case LFUN_HYPHENATION:
 942                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 943                 break;
 944
 945         case LFUN_LIGATURE_BREAK:
 946                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 947                 break;
 948
 949         case LFUN_LDOTS:
 950                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 951                 break;
 952
 953         case LFUN_HFILL:
 954                 bv->hideCursor();
 955                 update(bv, false);
 956                 insertChar(bv, Paragraph::META_HFILL);
 957                 update(bv);
 958                 break;
 959
 960         case LFUN_END_OF_SENTENCE:
 961                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 962                 break;
 963
 964         case LFUN_MENU_SEPARATOR:
 965                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 966                 break;
 967
 968         case LFUN_MARK_OFF:
 969                 bv->beforeChange(this);
 970                 update(bv, false);
 971                 selection.cursor = cursor;
 972                 cmd.message(N_("Mark off"));
 973                 break;
 974
 975         case LFUN_MARK_ON:
 976                 bv->beforeChange(this);
 977                 selection.mark(true);
 978                 update(bv, false);
 979                 selection.cursor = cursor;
 980                 cmd.message(N_("Mark on"));
 981                 break;
 982
 983         case LFUN_SETMARK:
 984                 bv->beforeChange(this);
 985                 if (selection.mark()) {
 986                         update(bv);
 987                         cmd.message(N_("Mark removed"));
 988                 } else {
 989                         selection.mark(true);
 990                         update(bv);
 991                         cmd.message(N_("Mark set"));
 992                 }
 993                 selection.cursor = cursor;
 994                 break;
 995
 996         case LFUN_UPCASE_WORD:
 997                 update(bv, false);
 998                 changeCase(*bv, LyXText::text_uppercase);
 999                 if (inset_owner)
1000                         bv->updateInset(inset_owner, true);
1001                 update(bv);
1002                 break;
1003
1004         case LFUN_LOWCASE_WORD:
1005                 update(bv, false);
1006                 changeCase(*bv, LyXText::text_lowercase);
1007                 if (inset_owner)
1008                         bv->updateInset(inset_owner, true);
1009                 update(bv);
1010                 break;
1011
1012         case LFUN_CAPITALIZE_WORD:
1013                 update(bv, false);
1014                 changeCase(*bv, LyXText::text_capitalization);
1015                 if (inset_owner)
1016                         bv->updateInset(inset_owner, true);
1017                 update(bv);
1018                 break;
1019
1020         case LFUN_TRANSPOSE_CHARS:
1021                 update(bv, false);
1022                 transposeChars(*bv);
1023                 if (inset_owner)
1024                         bv->updateInset(inset_owner, true);
1025                 update(bv);
1026                 break;
1027
1028         case LFUN_PASTE:
1029                 cmd.message(_("Paste"));
1030                 bv->hideCursor();
1031                 // clear the selection
1032                 bv->toggleSelection();
1033                 clearSelection();
1034                 update(bv, false);
1035                 pasteSelection(bv);
1036                 clearSelection(); // bug 393
1037                 update(bv, false);
1038                 update(bv);
1039                 bv->switchKeyMap();
1040                 break;
1041
1042         case LFUN_CUT:
1043                 bv->hideCursor();
1044                 update(bv, false);
1045                 cutSelection(bv, true);
1046                 update(bv);
1047                 cmd.message(_("Cut"));
1048                 break;
1049
1050         case LFUN_COPY:
1051                 copySelection(bv);
1052                 cmd.message(_("Copy"));
1053                 break;
1054
1055         case LFUN_BEGINNINGBUFSEL:
1056                 if (inset_owner)
1057                         return UNDISPATCHED;
1058                 update(bv, false);
1059                 cursorTop(bv);
1060                 finishChange(bv, true);
1061                 break;
1062
1063         case LFUN_ENDBUFSEL:
1064                 if (inset_owner)
1065                         return UNDISPATCHED;
1066                 update(bv, false);
1067                 cursorBottom(bv);
1068                 finishChange(bv, true);
1069                 break;
1070
1071         case LFUN_GETXY:
1072                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1073                 break;
1074
1075         case LFUN_SETXY: {
1076                 int x = 0;
1077                 int y = 0;
1078                 istringstream is(cmd.argument.c_str());
1079                 is >> x >> y;
1080                 if (!is)
1081                         lyxerr << "SETXY: Could not parse coordinates in '"
1082                                << cmd.argument << std::endl;
1083                 else
1084                         setCursorFromCoordinates(bv, x, y);
1085                 break;
1086         }
1087
1088         case LFUN_GETFONT:
1089                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1090                         cmd.message("E");
1091                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1092                         cmd.message("N");
1093                 else
1094                         cmd.message("0");
1095                 break;
1096
1097         case LFUN_GETLAYOUT:
1098                 cmd.message(tostr(cursor.par()->layout()));
1099                 break;
1100
1101         case LFUN_LAYOUT: {
1102                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1103                   << cmd.argument << endl;
1104
1105                 // This is not the good solution to the empty argument
1106                 // problem, but it will hopefully suffice for 1.2.0.
1107                 // The correct solution would be to augument the
1108                 // function list/array with information about what
1109                 // functions needs arguments and their type.
1110                 if (cmd.argument.empty()) {
1111                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1112                         break;
1113                 }
1114
1115                 // Derive layout number from given argument (string)
1116                 // and current buffer's textclass (number)
1117                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1118                 bool hasLayout = tclass.hasLayout(cmd.argument);
1119                 string layout = cmd.argument;
1120
1121                 // If the entry is obsolete, use the new one instead.
1122                 if (hasLayout) {
1123                         string const & obs = tclass[layout]->obsoleted_by();
1124                         if (!obs.empty())
1125                                 layout = obs;
1126                 }
1127
1128                 if (!hasLayout) {
1129                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1130                                 N_(" not known"));
1131                         break;
1132                 }
1133
1134                 bool change_layout = (current_layout != layout);
1135                 if (!change_layout && selection.set() &&
1136                         selection.start.par() != selection.end.par())
1137                 {
1138                         Paragraph * spar = selection.start.par();
1139                         Paragraph * epar = selection.end.par()->next();
1140                         while (spar != epar) {
1141                                 if (spar->layout()->name() != current_layout) {
1142                                         change_layout = true;
1143                                         break;
1144                                 }
1145                                 spar = spar->next();
1146                         }
1147                 }
1148                 if (change_layout) {
1149                         bv->hideCursor();
1150                         current_layout = layout;
1151                         update(bv, false);
1152                         setLayout(bv, layout);
1153                         bv->owner()->setLayout(layout);
1154                         update(bv);
1155                         bv->switchKeyMap();
1156                 }
1157                 break;
1158         }
1159
1160         case LFUN_PASTESELECTION: {
1161                 if (!bv->buffer())
1162                         break;
1163                 bv->hideCursor();
1164                 // this was originally a beforeChange(bv->text), i.e
1165                 // the outermost LyXText!
1166                 bv->beforeChange(this);
1167                 string const clip = bv->getClipboard();
1168                 if (!clip.empty()) {
1169                         if (cmd.argument == "paragraph")
1170                                 insertStringAsParagraphs(bv, clip);
1171                         else
1172                                 insertStringAsLines(bv, clip);
1173                         clearSelection();
1174                         update(bv);
1175                 }
1176                 break;
1177         }
1178
1179         case LFUN_GOTOERROR:
1180                 gotoInset(bv, Inset::ERROR_CODE, false);
1181                 break;
1182
1183         case LFUN_GOTONOTE:
1184                 gotoInset(bv, Inset::NOTE_CODE, false);
1185                 break;
1186
1187         case LFUN_REFERENCE_GOTO:
1188         {
1189                 vector<Inset::Code> tmp;
1190                 tmp.push_back(Inset::LABEL_CODE);
1191                 tmp.push_back(Inset::REF_CODE);
1192                 gotoInset(bv, tmp, true);
1193                 break;
1194         }
1195
1196         case LFUN_QUOTE: {
1197                 Paragraph const * par = cursor.par();
1198                 lyx::pos_type pos = cursor.pos();
1199                 char c;
1200                 if (!pos)
1201                         c = ' ';
1202                 else if (par->isInset(pos - 1) && par->getInset(pos - 1)->isSpace())
1203                         c = ' ';
1204                 else
1205                         c = par->getChar(pos - 1);
1206
1207                 bv->hideCursor();
1208                 LyXLayout_ptr const & style = par->layout();
1209
1210                 if (style->pass_thru ||
1211                                 par->getFontSettings(bv->buffer()->params,
1212                                          pos).language()->lang() == "hebrew" ||
1213                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1214                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1215                 break;
1216         }
1217
1218         case LFUN_DATE_INSERT: {
1219                 time_t now_time_t = time(NULL);
1220                 struct tm * now_tm = localtime(&now_time_t);
1221                 setlocale(LC_TIME, "");
1222                 string arg;
1223                 if (!cmd.argument.empty())
1224                         arg = cmd.argument;
1225                 else
1226                         arg = lyxrc.date_insert_format;
1227                 char datetmp[32];
1228                 int const datetmp_len =
1229                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1230
1231                 for (int i = 0; i < datetmp_len; i++) {
1232                         insertChar(bv, datetmp[i]);
1233                         update(bv, true);
1234                 }
1235                 selection.cursor = cursor;
1236                 moveCursorUpdate(bv, false);
1237                 break;
1238         }
1239
1240         case LFUN_MOUSE_TRIPLE:
1241                 if (!bv->buffer())
1242                         break;
1243                 if (isTopLevel() && bv->theLockingInset())
1244                         break;
1245                 if (cmd.button() == mouse_button::button1) {
1246                         if (isTopLevel()) {
1247                                 bv->screen().hideCursor();
1248                                 bv->screen().toggleSelection(this, bv);
1249                         }
1250                         cursorHome(bv);
1251                         selection.cursor = cursor;
1252                         cursorEnd(bv);
1253                         setSelection(bv);
1254                         if (isTopLevel())
1255                                 bv->screen().toggleSelection(this, bv, false);
1256                         update(bv, false);
1257                         bv->haveSelection(selection.set());
1258                 }
1259                 break;
1260
1261         case LFUN_MOUSE_DOUBLE:
1262                 if (!bv->buffer())
1263                         break;
1264                 if (isTopLevel() && bv->theLockingInset())
1265                         break;
1266                 if (cmd.button() == mouse_button::button1) {
1267                         if (isTopLevel()) {
1268                                 bv->screen().hideCursor();
1269                                 bv->screen().toggleSelection(this, bv);
1270                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1271                                 bv->screen().toggleSelection(this, bv, false);
1272                         } else {
1273                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1274                         }
1275                         update(bv, false);
1276                         bv->haveSelection(selection.set());
1277                 }
1278                 break;
1279
1280         case LFUN_MOUSE_MOTION:
1281         {
1282                 // Only use motion with button 1
1283                 //if (ev.button() != mouse_button::button1)
1284                 //      return false;
1285
1286                 if (!bv->buffer())
1287                         break;
1288
1289                 // Check for inset locking
1290                 if (bv->theLockingInset()) {
1291                         Inset * tli = bv->theLockingInset();
1292                         LyXCursor cursor = bv->text->cursor;
1293                         LyXFont font = bv->text->getFont(bv->buffer(),
1294                                                                 cursor.par(), cursor.pos());
1295                         int width = tli->width(bv, font);
1296                         int inset_x = font.isVisibleRightToLeft()
1297                                 ? cursor.ix() - width : cursor.ix();
1298                         int start_x = inset_x + tli->scroll();
1299                         FuncRequest cmd1 = cmd;
1300                         cmd1.x = cmd.x - start_x;
1301                         cmd1.y = cmd.y - cursor.iy() + bv->text->first_y;
1302                         tli->localDispatch(cmd1);
1303                         break;
1304                 }
1305
1306                 // The test for not selection possible is needed, that only motion
1307                 // events are used, where the bottom press event was on
1308                 //  the drawing area too
1309                 if (!selection_possible) {
1310                         lyxerr[Debug::ACTION]
1311                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1312                         break;
1313                 }
1314
1315                 bv->screen().hideCursor();
1316
1317                 Row * cursorrow = bv->text->cursor.row();
1318                 bv->text->setCursorFromCoordinates(bv, cmd.x, cmd.y + bv->text->first_y);
1319         #if 0
1320                 // sorry for this but I have a strange error that the y value jumps at
1321                 // a certain point. This seems like an error in my xforms library or
1322                 // in some other local environment, but I would like to leave this here
1323                 // for the moment until I can remove this (Jug 20020418)
1324                 if (y_before < bv->text->cursor.y())
1325                         lyxerr << y_before << ':'
1326                                << bv->text->cursor.y() << endl;
1327         #endif
1328                 // This is to allow jumping over large insets
1329                 if (cursorrow == bv->text->cursor.row()) {
1330                         if (cmd.y >= int(bv->workHeight()))
1331                                 bv->text->cursorDown(bv, false);
1332                         else if (cmd.y < 0)
1333                                 bv->text->cursorUp(bv, false);
1334                 }
1335
1336                 // Maybe an empty line was deleted
1337                 if (!bv->text->selection.set())
1338                         bv->update(bv->text, BufferView::UPDATE);
1339                 bv->text->setSelection(bv);
1340                 bv->screen().toggleToggle(bv->text, bv);
1341                 bv->fitCursor();
1342                 bv->showCursor();
1343                 break;
1344         }
1345
1346         // Single-click on work area
1347         case LFUN_MOUSE_PRESS:
1348         {
1349                 if (!bv->buffer())
1350                         break;
1351
1352                 // ok ok, this is a hack (for xforms)
1353                 // We shouldn't go further down as we really should only do the
1354                 // scrolling and be done with this. Otherwise we may open some
1355                 // dialogs (Jug 20020424).
1356                 if (cmd.button() == mouse_button::button4) {
1357                         bv->scroll(-lyxrc.wheel_jump);
1358                         break;
1359                 }
1360                 if (cmd.button() == mouse_button::button5) {
1361                         bv->scroll(lyxrc.wheel_jump);
1362                         break;
1363                 }
1364
1365                 int x = cmd.x;
1366                 int y = cmd.y;
1367                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1368
1369                 // Middle button press pastes if we have a selection
1370                 // We do this here as if the selection was inside an inset
1371                 // it could get cleared on the unlocking of the inset so
1372                 // we have to check this first
1373                 bool paste_internally = false;
1374                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1375                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1376                         paste_internally = true;
1377                 }
1378
1379                 int const screen_first = bv->text->first_y;
1380
1381                 if (bv->theLockingInset()) {
1382                         // We are in inset locking mode
1383
1384                         // Check whether the inset was hit. If not reset mode,
1385                         // otherwise give the event to the inset
1386                         if (inset_hit == bv->theLockingInset()) {
1387                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1388                                 bv->theLockingInset()->localDispatch(cmd1);
1389                                 break;
1390                         }
1391                         bv->unlockInset(bv->theLockingInset());
1392                 }
1393
1394                 if (!inset_hit)
1395                         selection_possible = true;
1396                 bv->screen().hideCursor();
1397
1398                 // Clear the selection
1399                 bv->screen().toggleSelection(bv->text, bv);
1400                 bv->text->clearSelection();
1401                 bv->text->fullRebreak(bv);
1402                 bv->update();
1403                 bv->updateScrollbar();
1404
1405                 // Single left click in math inset?
1406                 if (isHighlyEditableInset(inset_hit)) {
1407                         // Highly editable inset, like math
1408                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1409                         selection_possible = false;
1410                         bv->owner()->updateLayoutChoice();
1411                         bv->owner()->message(inset->editMessage());
1412                         //inset->edit(bv, x, y, cmd.button());
1413                         // We just have to lock the inset before calling a PressEvent on it!
1414                         // we don't need the edit() call here! (Jug20020329)
1415                         if (!bv->lockInset(inset))
1416                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1417                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1418                         inset->localDispatch(cmd1);
1419                         break;
1420                 }
1421                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1422
1423                 // Right click on a footnote flag opens float menu
1424                 if (cmd.button() == mouse_button::button3) {
1425                         selection_possible = false;
1426                         break;
1427                 }
1428
1429                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1430                         bv->text->setCursorFromCoordinates(bv, x, y + screen_first);
1431                 finishUndo();
1432                 bv->text->selection.cursor = bv->text->cursor;
1433                 bv->text->cursor.x_fix(bv->text->cursor.x());
1434
1435                 bv->owner()->updateLayoutChoice();
1436                 if (bv->fitCursor())
1437                         selection_possible = false;
1438
1439                 // Insert primary selection with middle mouse
1440                 // if there is a local selection in the current buffer,
1441                 // insert this
1442                 if (cmd.button() == mouse_button::button2) {
1443                         if (paste_internally)
1444                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1445                         else
1446                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1447                         selection_possible = false;
1448                 }
1449                 break;
1450         }
1451
1452         case LFUN_MOUSE_RELEASE:
1453         {
1454                 // do nothing if we used the mouse wheel
1455                 if (!bv->buffer())
1456                         break;
1457
1458                 if (cmd.button() == mouse_button::button4
1459                  || cmd.button() == mouse_button::button5)
1460                         break;
1461
1462                 // If we hit an inset, we have the inset coordinates in these
1463                 // and inset_hit points to the inset.  If we do not hit an
1464                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1465                 int x = cmd.x;
1466                 int y = cmd.y;
1467                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1468
1469                 if (bv->theLockingInset()) {
1470                         // We are in inset locking mode.
1471
1472                         // LyX does a kind of work-area grabbing for insets.
1473                         // Only a ButtonPress FuncRequest outside the inset will
1474                         // force a insetUnlock.
1475                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1476                         bv->theLockingInset()->localDispatch(cmd1);
1477                         break;
1478                 }
1479
1480                 selection_possible = false;
1481
1482                 if (cmd.button() == mouse_button::button2)
1483                         break;
1484
1485                 // finish selection
1486                 if (cmd.button() == mouse_button::button1)
1487                         bv->haveSelection(selection.set());
1488
1489                 bv->switchKeyMap();
1490                 bv->owner()->view_state_changed();
1491                 bv->owner()->updateMenubar();
1492                 bv->owner()->updateToolbar();
1493
1494                 // Did we hit an editable inset?
1495                 if (inset_hit) {
1496                         selection_possible = false;
1497
1498                         // if we reach this point with a selection, it
1499                         // must mean we are currently selecting.
1500                         // But we don't want to open the inset
1501                         // because that is annoying for the user.
1502                         // So just pretend we didn't hit it.
1503                         // this is OK because a "kosher" ButtonRelease
1504                         // will follow a ButtonPress that clears
1505                         // the selection.
1506                         // Note this also fixes selection drawing
1507                         // problems if we end up opening an inset
1508                         if (selection.set())
1509                                 break;
1510
1511                         // CHECK fix this proper in 0.13
1512                         // well, maybe 13.0 !!!!!!!!!
1513
1514                         // Following a ref shouldn't issue
1515                         // a push on the undo-stack
1516                         // anylonger, now that we have
1517                         // keybindings for following
1518                         // references and returning from
1519                         // references.  IMHO though, it
1520                         // should be the inset's own business
1521                         // to push or not push on the undo
1522                         // stack. They don't *have* to
1523                         // alter the document...
1524                         // (Joacim)
1525                         // ...or maybe the SetCursorParUndo()
1526                         // below isn't necessary at all anylonger?
1527                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1528                                 setCursorParUndo(bv);
1529
1530                         bv->owner()->message(inset_hit->editMessage());
1531
1532                         if (isHighlyEditableInset(inset_hit)) {
1533                                 // Highly editable inset, like math
1534                                 UpdatableInset * inset = (UpdatableInset *) inset_hit;
1535                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1536                                 inset->localDispatch(cmd1);
1537                         } else {
1538                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1539                                 inset_hit->localDispatch(cmd1);
1540                                 // IMO this is a gross hack! Insets should be changed so that
1541                                 // they call the actions they have to do with the insetButtonRel.
1542                                 // function and not in the edit(). This should be changed
1543                                 // (Jug 20020329)
1544 #ifdef WITH_WARNINGS
1545 #warning Please remove donot call inset->edit() here (Jug 20020812)
1546 #endif
1547                                 inset_hit->edit(bv, x, y, cmd.button());
1548                         }
1549                         break;
1550                 }
1551
1552                 break;
1553         }
1554
1555         case LFUN_SELFINSERT: {
1556                 if (cmd.argument.empty())
1557                         break;
1558
1559                 // Automatically delete the currently selected
1560                 // text and replace it with what is being
1561                 // typed in now. Depends on lyxrc settings
1562                 // "auto_region_delete", which defaults to
1563                 // true (on).
1564
1565                 if (lyxrc.auto_region_delete) {
1566                         if (selection.set()) {
1567                                 cutSelection(bv, false, false);
1568                                 update(bv);
1569                         }
1570                         bv->haveSelection(false);
1571                 }
1572
1573                 bv->beforeChange(this);
1574                 LyXFont const old_font(real_current_font);
1575
1576                 string::const_iterator cit = cmd.argument.begin();
1577                 string::const_iterator end = cmd.argument.end();
1578                 for (; cit != end; ++cit)
1579                         bv->owner()->getIntl().getTransManager().
1580                                 TranslateAndInsert(*cit, this);
1581
1582                 update(bv);
1583                 selection.cursor = cursor;
1584                 moveCursorUpdate(bv, false);
1585
1586                 // real_current_font.number can change so we need to
1587                 // update the minibuffer
1588                 if (old_font != real_current_font)
1589                         bv->owner()->view_state_changed();
1590                 break;
1591         }
1592
1593         case LFUN_HTMLURL: {
1594                 InsetCommandParams p("htmlurl");
1595                 string const data = InsetCommandMailer::params2string("url", p);
1596                 bv->owner()->getDialogs().show("url", data, 0);
1597                 break;
1598         }
1599
1600         case LFUN_URL: {
1601                 InsetCommandParams p("url");
1602                 string const data = InsetCommandMailer::params2string("url", p);
1603                 bv->owner()->getDialogs().show("url", data, 0);
1604                 break;
1605         }
1606
1607
1608 #if 0
1609         case LFUN_INSET_LIST:
1610         case LFUN_INSET_THEOREM:
1611         case LFUN_INSET_CAPTION:
1612 #endif
1613         case LFUN_INSERT_NOTE:
1614         case LFUN_INSERT_BIBITEM:
1615         case LFUN_INSET_ERT:
1616         case LFUN_INSET_FLOAT:
1617         case LFUN_INSET_FOOTNOTE:
1618         case LFUN_INSET_MARGINAL:
1619         case LFUN_INSET_MINIPAGE:
1620         case LFUN_INSET_OPTARG:
1621         case LFUN_INSET_WIDE_FLOAT:
1622         case LFUN_INSET_WRAP:
1623         case LFUN_TABULAR_INSERT:
1624                 // Open the inset, and move the current selection
1625                 // inside it.
1626                 doInsertInset(this, cmd, true, true);
1627                 break;
1628
1629         case LFUN_INSERT_URL:
1630         case LFUN_INSET_EXTERNAL:
1631         case LFUN_INDEX_INSERT:
1632                 // Just open the inset
1633                 doInsertInset(this, cmd, true, false);
1634                 break;
1635
1636         case LFUN_INDEX_PRINT:
1637         case LFUN_PARENTINSERT:
1638         case LFUN_TOC_INSERT:
1639                 // do nothing fancy
1640                 doInsertInset(this, cmd, false, false);
1641                 break;
1642
1643         default:
1644                 return UNDISPATCHED;
1645         }
1646
1647         return DISPATCHED;
1648 }